The present invention relates to a process for treating halogenated polymers comprising mixing a ground halogenated polymer starting material comprising a halogenated polymer and one or more further components with a solvent to provide a composition comprising a continuous phase and a discontinuous phase; separating the continuous phase and the discontinuous phase; adding a precipitant to the first continuous phase to provide a second continuous phase and a second discontinuous phase, wherein the second discontinuous phase comprises a halogenated polymer product; and separating the second discontinuous phase from the second continuous phase to provide the halogenated polymer product.
C08J 11/08 - Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
C08L 27/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers
The present invention relates to hydrophobic additives comprising a mixture of one or more inorganic carrier particles, and one or more salts of one or more carboxylic acids or one or more carboxylic acids or in the alternative both of one or more salts of one or more carboxylic acids and one or more carboxylic acids, wherein the particle size distribution (psd) D90 of the mixture measured as powder is from 8 to 150 μm. The present invention further relates to intermediate compounds and mineral binders comprising a hydrophobic additive.
The present invention relates to hydrophobic additives comprising a mixture of one or more inorganic carrier particles, and one or more salts of one or more carboxylic acids or one or more carboxylic acids or in the alternative both of one or more salts of one or more carboxylic acids and one or more carboxylic acids, wherein the particle size distribution (psd) D90 of the mixture measured as powder is from 8 to 150 pm. The present invention further relates to intermediate compounds and mineral binders comprising a hydrophobic additive.
C04B 28/02 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
C04B 40/00 - Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
4.
Stabilized polymer compositions and methods of making same
The invention relates to stabilizer compositions for polymers such as polyolefin polymers, which decrease a phosphorus based stabilizer content necessary to stabilize the polymer. The premixed stabilizer compositions include an antacid, an organic acid-metal salt, and a primary antioxidant such as a sterically-hindered phenolic compound, a sterically-hindered amine compound, a hydroxylamine compound, and combinations thereof. The premixed stabilizer may further include a portion of the phosphorus based stabilizer content necessary to stabilize the polymer. The invention also relates to a method for the preparation of the stabilized polymer compositions provided by the use thereof.
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
C08K 5/52 - Phosphorus bound to oxygen bound to oxygen only
The invention relates to a stabilizer composition for stabilizing halogen-containing polymers comprising a salt of a dicarboxylic acid and a polyol, to a process for preparing such a stabilizer composition, to its use for stabilizing halogen-containing polymers, and to a moulding which is produced from at least one halogen-containing polymer stabilized according to the invention.
The invention relates to stabilizer compositions for polymers such as polyolefin polymers, which decrease a phosphorus based stabilizer content necessary to stabilize the polymer. The premixed stabilizer compositions include an antacid, an organic acid-metal salt, and a primary antioxidant such as a sterically-hindered phenolic compound, a sterically-hindered amine compound, a hydroxylamine compound, and combinations thereof. The premixed stabilizer may further include a portion of the phosphorus based stabilizer content necessary to stabilize the polymer. The invention also relates to a method for the preparation of the stabilized polymer compositions provided by the use thereof.
C08L 25/04 - Homopolymers or copolymers of styrene
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
The invention relates to stabilizer compositions for polymers such as polyolefin polymers, which decrease a phosphorus based stabilizer content necessary to stabilize the polymer. The premixed stabilizer compositions include an antacid, an organic acid-metal salt, and a primary antioxidant such as a sterically-hindered phenolic compound, a sterically-hindered amine compound, a hydroxylamine compound, and combinations thereof. The premixed stabilizer may further include a portion of the phosphorus based stabilizer content necessary to stabilize the polymer. The invention also relates to a method for the preparation of the stabilized polymer compositions provided by the use thereof.
The invention relates to processes for formulating melts comprising at least one salt of the general formula CaxAl2(OH)2(χ+3)-nyAyn- *mH2O,in which x is from 2 to 12, y is from 0 to (2×+5)/2, m is from 0 to 12 and n is from 1 to 3, to moldings produced therefrom and to the use of these moldings for stabilization of preferably halogenated polymers.
The invention relates to solids powders comprising particles having an average particle size of 0.1 to 50 μm with predominantly a core-shell structure, wherein the core comprises at least one water-insoluble fatty acid salt and the shell at least one anionic, cationic or non-ionic emulsifier, and the solids powder when introduced into water or at least one polar organic solvent or a mixture comprising water and at least one polar organic solvent, at a temperature of 23° C. while exposed to a mechanical force, forms a complete dispersion within 60 minutes or less.
B01J 2/30 - Processes or devices for granulating materials, in generalRendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking togetherRendering particulate materials free flowing in general, e.g. making them hydrophobic
10.
Hydrophobic binder mixture, and construction materials made therefrom
The invention relates to a mixture of a calcium sulfate-based mineral binder and at least one additive that imparts hydrophobic properties to the calcium sulfate-based mineral binder. Said additive is a salt, a hydrophilic fatty acid, or a binder mixture containing fatty acid salts. The content of fatty acid salts of fatty acids that have 8 to 17 C atoms amounts to at least 20 percent by weight relative to the total amount of fatty acid salts in the fatty acid salt mixture, or the content of fatty acids that have 8 to 14 C atoms amounts to at least 10 percent by weight relative to the total amount of fatty acid salts in the fatty acid salt mixture, or both. The construction materials according to the invention can be gypsum boards, gypsum blocks, or other molded parts, especially gypsum plasterboards.
PROCESS FOR PREPARING A MIXTURE COMPRISING AT LEAST ONE INORGANIC SOLID AND AT LEAST ONE FATTY ACID SALT, MIXTURES PREPARED CORRESPONDINGLY AND USE THEREOF
The present invention relates to a process for preparing a mixture comprising at least one inorganic solid and at least one fatty acid salt of a divalent or trivalent metal cation and at least one fatty acid anion by treatment in a comminution apparatus, characterized in that at least one fatty acid salt is formed during the treatment in the comminution device from at least two starting materials each different than the at least one organic solid. The present invention further relates to mixtures prepared correspondingly and to the use thereof.
The invention relates to solids powders comprising particles having an average particle size of 0.1 to 50 μm with predominantly a core-shell structure, wherein the core comprises at least one water-insoluble fatty acid salt and the shell at least one anionic, cationic or non-ionic emulsifier, and the solids powder when introduced into water or at least one polar organic solvent or a mixture comprising water and at least one polar organic solvent, at a temperature of 23°C while exposed to a mechanical force, forms a complete dispersion within 60 minutes or less.
B01J 2/30 - Processes or devices for granulating materials, in generalRendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking togetherRendering particulate materials free flowing in general, e.g. making them hydrophobic
13.
HYDROPHOBIC BINDER MIXTURE, AND CONSTRUCTION MATERIALS MADE THEREFROM
The invention relates to a mixture of a calcium sulfate-based mineral binder and at least one additive that imparts hydrophobic properties to the calcium sulfate-based mineral binder. Said additive is a salt, a hydrophilic fatty acid, or a binder mixture containing fatty acid salts. The content of fatty acid salts of fatty acids that have 8 to 17 C atoms amounts to at least 20 percent by weight relative to the total amount of fatty acid salts in the fatty acid salt mixture, or the content of fatty acids that have 8 to 14 C atoms amounts to at least 10 percent by weight relative to the total amount of fatty acid salts in the fatty acid salt mixture, or both. The construction materials according to the invention can be gypsum boards, gypsum blocks, or other molded parts, especially gypsum plasterboards.
C04B 24/18 - Lignin sulfonic acid or derivatives thereof, e.g. sulfite lye
C04B 28/14 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
14.
FATTY ACID SALT MIXTURE AS A HYDROPHOBING AGENT FOR CONSTRUCTION MATERIALS
The invention relates to hydrophobing agents for mineral construction materials, the use thereof, methods for the production thereof, mineral construction materials, and constructional parts. The hydrophobing agents according to the invention contain fatty acid salts that comprise a mixture of fatty acid salts of at least two different metal cations or two different ammonium cations or a mixture of at least one metal cation and at least one ammonium cation. The metal cations are selected from the group comprising alkali metals, alkaline earth metals, zinc, aluminum, and rare earths. The content of fatty acid salts of fatty acids that have 8 to 17 C atoms amounts to at least 20 percent by weight relative to the total amount of fatty acid salts in the fatty acid salt mixture.
C04B 24/08 - FatsFatty oilsEster type waxesHigher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl groupOxidised oils or fats
15.
STABILIZER COMPOSITIONS FOR HALOGENATED POLYMERS WITH IMPROVED INITIAL COLOR AND IMPROVED COLOR MAINTENANCE
The present invention relates to a stabilizer composition for halogenated polymers, comprising at least one compound from group A) and at least one compound from group B), group A) consisting of semicarbazides, carbazides, carbazones and carbodiazones and salts thereof, and group B) of guanidines and melamines, superacids and salts of the superacids, epoxy and glycidyl compounds, 1,3-dicarbonyl compounds, polyols, sterically hindered amines, hydrotalcites, zeolites and alkali metal aluminocarbonates, hydrocalumites, metal hydroxides, metal oxides, metal hydrogencarbonates and metal carbonates, metal soaps, organotin compounds, organic phosphite esters, amino alcohols and hydroxyl-containing isocyanurates, a,b-unsaturated b-aminocarbonyl compounds, aminouracil compounds and aminothiouracil compounds and compounds having at least one mercapto-functional sp2-hybridized carbon atom. Polymers stabilized in accordance with the invention feature especially improved initial color and improved color maintenance.
The invention relates to a stabilizer composition for halogen-containing polymers, comprising a guanidine compound or a melamine compound or a mixture of two or more of said compounds and another nitrogen-containing compound or a mixture of two or more nitrogen-containing compounds. Polymers stabilized according to the invention are characterized particularly by an improved starting color and improved color fastness.
A stabiliser composition for halogenated polymers comprises a nitrogen compound or a mixture of two or more nitrogen compounds, and a superacid or a superacid salt or a mixture of two or more of the same. The polymers stabilised according to the invention are characterised in particular by an improved initial colour and improved colour fastness.
The invention relates to a fluidised bed method for producing granular stabilisator compositions in order to stabilise polymers which contain halogens, in particular, polyvinylchloride (PVC). According to the invention, at least one solid stabilisator component and at least one solid granular component is mixed in a fluidised bed and is granulated at a suitable temperature. The invention also relates to stabilisator compositions which are produced according to said method.
The invention relates to a solid salt preparation with an improved usability, which contains a mixture consisting of an organic onium salt of a halogen-containing oxy acid and of a solvent. The invention also relates to a method for producing salt preparations of the aforementioned type and to their use, particularly in stabilizer compositions for halogen-containing polymers.
The invention relates to a solid salt preparation with an improved usability, which contains a mixture consisting of salt of a halogen-containing oxy acid and of a solvent. The invention also relates to a method for producing salt preparations of the aforementioned type and to their use, particularly in stabilizer compositions for halogen-containing polymers.
patents
