Abstract

An azo iron complex dye which does not contain harmful heavy metals, exhibits sufficient solubility in organic solvents for practical use, and exhibits an excellent black color. The azo iron complex dye contains a disazo-monoazo iron complex represented by the following chemical formula (1) + is a monovalent cation).

IPC Classes  ?

• C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes
• B41M 5/00 - Duplicating or marking methodsSheet materials for use therein
• C07C 245/08 - Azo compounds, i.e. compounds having the free valencies of —N=N— groups attached to different atoms, e.g. diazohydroxides with nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings with the two nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings, e.g. azobenzene
• C09B 45/12 - Azo compounds in general other metal compounds
• C09B 45/32 - Disazo or polyazo compounds containing other metals
• C09B 67/22 - Mixtures of different pigments or dyes or solid solutions of pigments or dyes
• C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
• C07F 15/02 - Iron compounds

Abstract

A colorant which has high heat resistance and thus causes neither discoloration nor fading even when exposed for a long period of time under long-term high-temperature conditions, and which has excellent bleed resistance and sublimation resistance and thus causes neither color migration to molds or other resin components, nor deterioration of physical properties of a thermoplastic resin added thereto. The colorant includes at least one compound represented by a specified chemical formula (1a), at least one compound represented by a specified chemical formula (1b), and/or at least one compound represented by a specified chemical formula (1c).

IPC Classes  ?

• C09B 57/12 - Perinones, i.e. naphthoylene-aryl-imidazoles
• C09B 67/20 - Preparations of organic pigments
• C08K 5/357 - Six-membered rings
• C08K 5/45 - Heterocyclic compounds having sulfur in the ring
• C08K 5/3465 - Six-membered rings condensed with carbocyclic rings
• C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques

Abstract

[Problem] To provide an azo iron complex dye which does not contain harmful heavy metals, exhibits sufficient solubility in organic solvents for practical use, and exhibits a good black color. [Solution] This azo iron complex dye contains a disazo-monoazo iron complex represented by chemical formula (1) (In chemical formula (1), R1and R2are each independently a straight chain or branched chain alkyl group having 3-10 carbon atoms, R3is an electron-withdrawing group, R4is a straight chain or branched chain alkyl group having 1-5 carbon atoms or a straight chain or branched chain alkoxy group having 1-5 carbon atoms, R5is a nitro group, a sulfoamide group or a halogen atom, R6is a hydrogen atom, a straight chain or branched chain alkyl group having 1-8 carbon atoms, a nitro group or a halogen atom, R7is a hydrogen atom or a straight chain or branched chain alkyl group having 3-12 carbon atoms, and A+ is a monovalent cation).

IPC Classes  ?

• C07C 245/08 - Azo compounds, i.e. compounds having the free valencies of —N=N— groups attached to different atoms, e.g. diazohydroxides with nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings with the two nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings, e.g. azobenzene
• C07F 15/02 - Iron compounds
• C09B 45/12 - Azo compounds in general other metal compounds
• C09B 45/32 - Disazo or polyazo compounds containing other metals
• C09D 11/328 - Inkjet printing inks characterised by colouring agents characterised by dyes
• B41M 5/00 - Duplicating or marking methodsSheet materials for use therein
• C09B 67/22 - Mixtures of different pigments or dyes or solid solutions of pigments or dyes

Abstract

[Problem] To provide a colorant that has high heat resistance and thus does not cause discoloration or fading even when exposed for a long period of time under long-term high heat conditions, that has excellent bleed resistance and sublimation resistance and thus does not cause color to migrate to a mold or to other resin components, and that does not cause a thermoplastic resin to lose the physical properties thereof when added thereto. [Solution] This colorant includes at least one compound represented by chemical formula (1a), at least one compound represented by chemical formula (1b), and/or at least one compound represented by chemical formula (1c) (in chemical formulas (1a), (1b), and (1c), each of R1, R2, R4, R5, R7, and R8is a hydrogen atom or a nitrogen-containing heterocyclic group or an amino group that may have a substituent, each of R3, R6, and R9 is at least one group selected from among an alkoxy group, a carboxy group, a hydroxy group, a sulfo group, and a sulfonamide group, p and r are each 0 to 2 inclusive, and q is 0 to 4 inclusive).

IPC Classes  ?

• C08K 5/3447 - Five-membered rings condensed with carbocyclic rings
• C08K 5/3465 - Six-membered rings condensed with carbocyclic rings
• C08L 101/00 - Compositions of unspecified macromolecular compounds
• C09B 57/12 - Perinones, i.e. naphthoylene-aryl-imidazoles
• C09B 67/20 - Preparations of organic pigments

Abstract

Provided is a laser welded body which can be integrated through a laser-welding step without undergoing complicated steps even through use of the same or difference resin members each other, which has excellent welding strength between the resin members, which maintains the characteristics of a resin contained in the resin member and which exhibits the high welding strength by improving meltability of the resin members yet under a laser-welding condition of a medium and high scan speed. A laser welded body comprises a resin member(s) which contains a thermoplastic resin and nigrosine sulfate having a sulfate ion concentration of 0.3 to 5.0% by mass and has an absorbance a of 0.09 to 0.9, an adjoined part where the resin member(s) is overlapped and/or butted, and at least a part of the adjoined part is laser-welded.

IPC Classes  ?

• B32B 7/02 - Physical, chemical or physicochemical properties
• B29C 65/16 - Laser beam
• B29C 65/00 - Joining of preformed partsApparatus therefor

Abstract

3 exhibited by the second resin member and the third resin member are attributed to the inclusion of nigrosine as a laser beam absorbent therein, and the resin members are overlapped in the above mentioned to form contacted parts at these interfaces, at least a part of the butted part and/or the contacted parts are laser-welded.

IPC Classes  ?

• B29C 65/16 - Laser beam
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
• B29C 65/00 - Joining of preformed partsApparatus therefor
• B29K 105/00 - Condition, form or state of moulded material

Abstract

Provided is a laser welded body which can be manufactured without undergoing complicated steps and maintain the characteristics of a resin contained in a resin member, which exhibits high welding strength even when scanned with a laser beam at a high speed, and which can be manufactured at high production efficiency. 2 of 3.0 to 15, wherein the first resin member 1 and the second resin member 2 are laser-welded at a part at which the both resin members are overlapped and/or butted.

IPC Classes  ?

• B32B 7/04 - Interconnection of layers
• B29C 65/16 - Laser beam
• B32B 7/027 - Thermal properties
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
• C08K 3/04 - Carbon
• C08K 5/08 - Quinones
• C08K 5/3465 - Six-membered rings condensed with carbocyclic rings

Abstract

Provided is a laser welded body which can be manufactured without undergoing complicated steps and maintain the characteristics of a resin contained in a resin member, which exhibits a high welding strength even when scanned with a laser beam at a high speed, and which can be manufactured at high production efficiency. This laser welded body 10 is laser-welded at a portion at which a first resin member 1 and a second resin member 2 overlap each other and/or meet, wherein the first resin member 1 is a resin member irradiated with a laser beam, contains a thermoplastic resin and a nigrosine sulfate, and has an absorbance a1 of 0.09-0.9, and the second resin member 2 contains a thermoplastic resin having the same kind as or different kind from said thermoplastic resin, and a laser beam absorbent, and has an absorbance a2 of 3.0-15.

IPC Classes  ?

• B29C 65/16 - Laser beam
• C08K 3/04 - Carbon
• C08K 5/08 - Quinones
• C08K 5/3447 - Five-membered rings condensed with carbocyclic rings
• C08L 101/00 - Compositions of unspecified macromolecular compounds

Abstract

Provided are: a laser-welded body which can bond and integrate, without having to go through a complex process, a plurality of resin members prepared by a simple method and which provides excellent bonding strength between the resin members without compromising resin characteristics thereof; and a production method therefor. The present invention comprises three thermoplastic resin-containing resin members consisting of: a first resin member 1 which has an absorbance a1 of less than 0.13 and which serves as a member to be irradiated with laser beams; a second resin member 2 which has an absorbance a2 of 0.1-0.9 and which includes an abutting region B where ends of one or more resin members are brought into contact with each other; and a third resin member 3 having an absorbance a3 of 0.2-3.8, wherein the absorbances a2, a3 exhibited by the second resin member 2 and the third resin member 3 are attributed to the inclusion of a laser beam absorbent therein, and the respective resin members 1, 2, 3 are overlapped with each other to form contact regions C1-2, C2-3, and the abutting region B and/or the contact regions C1-2, C2-3 are laser-welded.

IPC Classes  ?

• B29C 65/16 - Laser beam
• C08K 5/08 - Quinones
• C08K 5/3447 - Five-membered rings condensed with carbocyclic rings
• C08L 101/00 - Compositions of unspecified macromolecular compounds

Abstract

This resin composition for welding using a laser beam is characterized by containing: (A) a thermoplastic polyester resin material containing a polybutylene terephthalate homopolymer and at least one of a polybutylene terephthalate copolymer, a polyethylene terephthalate resin, and a polycarbonate resin; and, relative to 100 parts by mass of the thermoplastic polyester resin material, (B) 0.0005-0.5 parts by mass of nigrosine, and (C) 0.01-2 parts by mass of a colorant containing an anthraquinone dye C1 having a maximum absorption wavelength in the range of 590-635 nm, a perinone dye C2 having a maximum absorption wavelength in the range of 460-480 nm, and an anthraquinone dye C3 having a maximum absorption wavelength in the range of 435-455 nm, in a proportion of C1:C2:C3=24-41:24-39:22-46 relative to a total of 100 parts by mass of C1, C2, and C3.

IPC Classes  ?

• C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• C08K 5/08 - Quinones
• C08K 5/29 - Compounds containing carbon-to-nitrogen double bonds
• C08K 5/3462 - Six-membered rings

Abstract

Here is provided a charge control resin which is prompt in charge rising up, excellent in electrostatic charging propensity and easy in manufacturing. This charge control resin contains a polymer as an active ingredient having a constituent unit represented by following Formula (1) 2 is a hydrogen atom, a hydroxyl group, a halogen atom, a carboxy-containing group, a straight-chained or branched alkyl group having 1-18 carbon atoms, or a straight-chained or branched alkoxy group having 1-18 carbon atoms; g is a number of 1-3; h is a number of 1-3; and M is a hydrogen atom, an alkali metal, a straight-chained or branched alkyl group having 1-18 carbon atoms, an ammonium radical or a mixture of any of these.

IPC Classes  ?

• C08F 212/08 - Styrene
• G03G 9/087 - Binders for toner particles
• G03G 9/097 - PlasticisersCharge controlling agents
• C07C 69/92 - Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a six-membered aromatic ring of monocyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of a six-membered aromatic ring with etherified hydroxyl groups
• C08F 12/22 - Oxygen
• C08F 12/32 - Monomers containing only one unsaturated aliphatic radical containing two or more rings
• C08F 8/26 - Removing halogen atoms or halogen-containing groups from the molecule
• C08F 8/42 - Introducing metal atoms or metal-containing groups

Abstract

Here is provided a charge control resin which is prompt in charge rising up, excellent in electrostatic charging propensity and easy in manufacturing. This charge control resin contains a polymer as an active ingredient having a constituent unit represented by following Formula (1) 2 is a hydrogen atom, a hydroxyl group, a halogen atom, a carboxy-containing group, a straight-chained or branched alkyl group having 1-18 carbon atoms, or a straight-chained or branched alkoxy group having 1-18 carbon atoms; g is a number of 1-3; h is a number of 1-3; and M is a hydrogen atom, an alkali metal, a straight-chained or branched alkyl group having 1-18 carbon atoms, an ammonium radical or a mixture of any of these.

IPC Classes  ?

• C08F 12/32 - Monomers containing only one unsaturated aliphatic radical containing two or more rings
• G03G 9/097 - PlasticisersCharge controlling agents
• G03G 9/087 - Binders for toner particles
• C07C 69/92 - Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a six-membered aromatic ring of monocyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of a six-membered aromatic ring with etherified hydroxyl groups
• C08F 12/22 - Oxygen
• C08F 8/26 - Removing halogen atoms or halogen-containing groups from the molecule
• C08F 8/42 - Introducing metal atoms or metal-containing groups

Abstract

It is an object of the present invention to provide a laser-welded article that workpieces prepared simply can be easily unified by laser in one laser welding process without using complicated processes. Moreover, the laser-welded article has an excellent appearance and sufficient welding strength of the molded workpieces, and does not damage the resin property. an integral construction of a single workpiece that at least a part of curled workpiece is overlapped or plural workpieces that at least a part of each workpiece is piled, which is welded by exothermic through irradiating laser, wherein the single laser-transmissible-absorptive molded workpiece or the plural laser-transmissible-absorptive molded workpieces include a thermoplastic resin and a laser-transmissible absorbent to have an absorbance: a ranging from 0.07 to 2.0, and have abilities of absorbing at least partial beam of the laser and transmitting another partial beam of the laser.

IPC Classes  ?

• B32B 3/00 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form
• B32B 1/00 - Layered products having a non-planar shape

Abstract

It is an object of the present invention to provide a laser-welded article that workpieces prepared simply can be easily unified by laser in one laser welding process without using complicated processes. Moreover, the laser-welded article has sufficient welding strength of the molded workpieces, and does not damage the resin property. an integral construction of a single weakly laser-absorptive molded workpiece or plural weakly laser-absorptive molded workpieces, which is welded by exothermic through irradiating laser under butting at least a part of edge portions thereof, wherein the workpiece or the workpieces include a thermoplastic resin and a weakly laser absorbent to have an absorbance: a ranging from 0.07 to 3.0, and have abilities of absorbing at least partial beam of the laser and transmitting other partial beam of the laser.

IPC Classes  ?

• B32B 3/00 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form
• B29C 65/16 - Laser beam

Abstract

A charge control resin is provided that can rapidly increase charging, can produce excellent charging characteristics, and can be easily manufactured. The charge control resin contains a polymer as an active constituent that has a constitutional unit expressed by the chemical formula (1): (1) (wherein: R1 is each independently the same or different, and a hydrogen atom, a hydroxyl group, a halogen atom, a carboxy-containing group, a straight chain or branched alkyl group having carbon number of 1 to 18, or a straight chain or branched alkoxy group having carbon number of 1 to 18; R2 is a hydrogen atom, a hydroxyl group, a halogen atom, a carboxy-containing group, a straight chain or branched alkyl group having carbon number of 1 to 18, or a straight chain or branched alkoxy group having carbon number of 1 to 18; g is a number of 1 to 3, h is a number of 1 to 3; and M is a hydrogen atom, an alkali metal, a straight chain or branched alkyl group having carbon number of 1 to 18, an ammonium atom group, or a mixture thereof).

IPC Classes  ?

• C08F 12/32 - Monomers containing only one unsaturated aliphatic radical containing two or more rings
• C07C 69/92 - Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a six-membered aromatic ring of monocyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of a six-membered aromatic ring with etherified hydroxyl groups
• C09K 3/16 - Anti-static materials
• G03G 9/087 - Binders for toner particles
• G03G 9/097 - PlasticisersCharge controlling agents

Abstract

Provided is a toner for electrostatic image development that applies a practical level of negative chargeability, is colorless or a light color and can be used in a color toner, is stable against environmental change, has excellent storage stability and durability, and has a highly safe charge control agent. The toner for electrostatic image development contains at least the charge control agent comprising a phenol multimeric mixture including a phenol multimeric indicated by chemical formula (1) (wherein n is an integer between 2 and 6). The phenol multimeric mixture has peaks at Bragg angles of at least 12.2° and 16.2° in an X-ray diffraction spectrum, while maintaining an integrated ratio of 2:3-2:5 between a signal appearing on a low-magnetic field side and a signal appearing on a high-magnetic field side, among signals based on a phenolic hydroxy group in the phenol multimeric thereof in nuclear magnetic resonance spectroscopy, and contains a total of 70-100 mol% of the four types of phenol multimerics indicated by chemical formulas (2)-(5).

IPC Classes  ?

• G03G 9/097 - PlasticisersCharge controlling agents
• G03G 9/087 - Binders for toner particles
• C07C 39/15 - Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings with all hydroxy groups on non-condensed rings
• C09B 67/46 - Dispersions

Abstract

Provided is a charge control agent that applies a practical level of negative chargeability, is colorless or a light color and can be used in a color tonor, has an electrostatic charge from charging of a resin powder, such as the toner used, that is stable against environmental change, and has the characteristics of: excellent temporal stability of charge control characteristics, i.e., storage stability; excellent stability of charge control characteristics when repeatedly used a number of times, i.e., durability; and high stability without containing toxic heavy metals. The charge control agent comprises a phenol multimeric mixture containing a plurality of phenol multimeric types indicated by chemical formula (1) (wherein R1 and R2 are hydrogen atoms or alkyl groups, A is a 4-chlorophenol ring-containing group indicated by chemical formula (2) or (3) (wherein R3 and R4 are hydrogen atoms or alkyl groups and m is an integer between 0 and 2), and x is an integer between 16 and 28 in chemical formula (2) and a number in the range indicated by (14-2m)/(m+2)-(26-2m)/(m+2) in chemical formula (3)).

IPC Classes  ?

• G03G 9/097 - PlasticisersCharge controlling agents
• G03G 9/087 - Binders for toner particles

Abstract

The purpose of the present invention is to provide an interlayer for a laminated glass, said interlayer being capable of suppressing the transmittance of ultraviolet light having a wavelength of 400 nm to 1% or less and having high light resistance, and a laminated glass which uses the interlayer for a laminated glass. The present invention provides an interlayer for a laminated glass, said interlayer containing a thermoplastic resin, an ultraviolet absorbent that has a structure represented by general formula (1), and an ultraviolet absorbent that has a structure represented by general formula (2). The ultraviolet absorbent having a structure represented by general formula (1) is contained therein in an amount of 0.001-0.05% by weight, and the ultraviolet absorbent having a structure represented by general formula (2) is contained therein in an amount of 0.4-1.5% by weight. In formula (1), R1 represents an alkyl group having 1-3 carbon atoms; and R2 represents hydrogen, an alkyl group having 1-10 carbon atoms or an aralkyl group having 7-10 carbon atoms. In formula (2), R3 represents hydrogen or an alkyl group having 1-8 carbon atoms; and R4 represents hydrogen or an alkyl group having 1-8 carbon atoms.

IPC Classes  ?

• C03C 27/12 - Laminated glass
• C08J 5/18 - Manufacture of films or sheets
• C08K 5/103 - EstersEther-esters of monocarboxylic acids with polyalcohols
• C08K 5/3417 - Five-membered rings condensed with carbocyclic rings
• C08K 5/3475 - Five-membered rings condensed with carbocyclic rings
• C08L 29/14 - Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
• C08L 101/00 - Compositions of unspecified macromolecular compounds
• C09K 3/00 - Materials not provided for elsewhere

Abstract

A granulated colorant as a granulation product of a powdery nigrosine dye, that has a bulk density of 0.4 to 0.7 g/ml and a hardness of 1 to 20 N. A high-concentration master batch obtained by blending a granulated colorant and a thermoplastic resin, which comprises 25 to 100 parts by weight of a nigrosine dye in the granulated colorant per 100 parts by weight of the thermoplastic resin. A colored composition comprising a granulated colorant or high-concentration master batch and a thermoplastic resin or thermoplastic elastomer.

IPC Classes  ?

• C08J 3/20 - Compounding polymers with additives, e.g. colouring
• C04B 14/00 - Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stoneTreatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
• D06P 1/00 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed

Abstract

A method of manufacturing laser-welded article having an integral construction of piled workpieces, that are welded by heat generated from irradiation with laser and include thermoplastic resin, a laser-transmissible-absorptive molded workpiece including a thermoplastic resin and 0.001 to 0.3 weight % of colorant consisting of nigrosine which has an absorption coefficient: ε for a ray of 940 nm ranging form 4000 to 7000, that transmits laser partially and absorbs laser partially, and a laser-absorptive molded workpiece including a thermoplastic resin and 0.1 to 5 weight % of diverse colorant comprising nigrosine and/or carbon black, that absorbs the laser.

IPC Classes  ?

• B29C 65/16 - Laser beam

Abstract

It is an object of the present invention to provide a laser-welded article that workpieces prepared simply can be easily unified by laser in one laser welding process without using complicated processes. Moreover, the laser-welded article has sufficient welding strength of the molded workpieces, and does not damage the resin property. an integral construction of a single weakly laser-absorptive molded workpiece or plural weakly laser-absorptive molded workpieces, which is welded by exothermic through irradiating laser under butting at least a part of edge portions thereof, wherein the workpiece or the workpieces include a thermoplastic resin and a weakly laser absorbent to have an absorbance: a ranging from 0.07 to 3.0, and have abilities of absorbing at least partial beam of the laser and transmitting other partial beam of the laser.

IPC Classes  ?

• B23B 3/00 - General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screwSets of turning-machines
• B23B 1/00 - Methods for turning or working essentially requiring the use of turning-machinesUse of auxiliary equipment in connection with such methods
• B29C 65/16 - Laser beam

Abstract

It is an object of the present invention to provide a laser-welded article that workpieces prepared simply can be easily unified by laser in one laser welding process without using complicated processes. Moreover, the laser-welded article has an excellent appearance and sufficient welding strength of the molded workpieces, and does not damage the resin property. an integral construction of a single workpiece that at least a part of curled workpiece is overlapped or plural workpieces that at least a part of each workpiece is piled, which is welded by exothermic through irradiating laser, wherein the single laser-transmissible-absorptive molded workpiece or the plural laser-transmissible-absorptive molded workpieces include a thermoplastic resin and a laser-transmissible absorbent to have an absorbance: a ranging from 0.07 to 2.0, and have abilities of absorbing at least partial beam of the laser and transmitting another partial beam of the laser.

IPC Classes  ?

• B32B 3/00 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form
• B32B 1/00 - Layered products having a non-planar shape

Abstract

A toner for developing an electrostatic image comprises a binding resin for a toner and a charge control agent including an azo-type iron complex salt represented by the following chemical formula (1) 15 Ω·cm.

IPC Classes  ?

• G03G 9/087 - Binders for toner particles

Abstract

a laser-transmissible workpiece made from a laser-transmissible colored resin composition including at least a thermoplastic resin and an alkaline earth metal salt of an anthraquinone-type acidic dye represented by the following chemical formulae (1) and/or (2) wherein the workpieces are welded at the put position thereof by irradiated laser towards the laser-transmissible workpiece that transmits therethrough and is absorbed into the laser-absorptive workpiece.

IPC Classes  ?

• B32B 3/10 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material
• B32B 37/04 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer

Abstract

Quinophthalone compound of Formula (1) or (2), mixed colorant, laser ray transmitting colored resin composition containing thereof, and laser-welded product. 14 in Formula (2) is carboxyl.

IPC Classes  ?

• C08K 5/08 - Quinones
• C09B 25/00 - Quinophthalones
• B29C 65/16 - Laser beam

Abstract

This invention provides a laser welded product that can integrate simply prepared members by a single laser welding step without through complicated steps and, at the same time, has excellent appearance and welding strength and does not sacrifice resin properties. In the laser welded product, by virtue of the incorporation of a thermoplastic resin and a laser beam transmission absorption agent, forming members (1,2), which can transmit and absorb a laser beam having an absorbance a of 0.07 to 2.0, absorb a part of a laser beam (4) applied thereto in such a state that a single member is bent and at least a part there is folded back, or that a plurality of members are used and a part of one of the members is put on top of a part of the other member, while another part of the laser beam (4) is passed through the assembly, whereby heat is generated for member welding.

IPC Classes  ?

• B29C 65/16 - Laser beam

Abstract

A laser welded material that realizes uniting of members easily prepared without passing through complex steps by one-time laser welding operation and that excels in the weld strength between forming members, being free from any deterioration of resin properties. There is provided a laser welded material obtained by providing one or two or more forming members (1,2) with low laser beam absorptivity that while absorbing at least portion of laser beam, may cause another portion to transmit, the forming members (1,2) containing a thermoplastic resin and an agent for low absorption of laser beam so as to attain a beam absorptivity (a) of 0.07 to 3.0 and by while causing at least parts of edges thereof to abut on each other, exposing the same to laser beam (4) to thereby attain heat generation and welding.

IPC Classes  ?

• B29C 65/16 - Laser beam

Abstract

and dye salt exhibiting transmission of a laser having a wavelength of 800 to 1200 nm. irradiating laser 3 towards the laser-transmissible molded workpiece 1 to weld the laser-transmissible molded workpiece 1 and the laser-absorptive molded workpiece 2.

IPC Classes  ?

• H05B 6/00 - Heating by electric, magnetic or electromagnetic fields
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• C08K 5/16 - Nitrogen-containing compounds
• C08K 5/23 - Azo-compounds
• C09B 67/00 - Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solventsProcess features in the making of dyestuff preparationsDyestuff preparations of a special physical nature, e.g. tablets, films

Abstract

an initiative chelating step by reacting with a monoazo compound represented by the following chemical formula [1] a subsequent ion-exchanging step by reacting with the azo-type metal complex salt intermediate and an ammonium counter ion forming agent including an inorganic ammonium salt and aqueous ammonia to prepare an azo-type metal complex salt having an ammonium ion of a counter ion represented by the following chemical formula [2] + is a cation except an ammonium ion; n is from 0.70 to 1.00).

IPC Classes  ?

• C09B 45/32 - Disazo or polyazo compounds containing other metals