The present disclosure relates to a coating composition and a process for its preparation The coating composition of the present disclosure is used for exterior architectural coatings with nitrogen oxide (NOx) and sulfur oxide (SOx) neutralization capabilities. The coating composition of the present disclosure have excellent anti-chalking performance, excellent adhesion on cementitious substrates, better storage stability and having a viscosity that does not change over a long period of time. The present disclosure provide a simple and an economical process for the preparation of the coating composition.
A self-curing compound based formulation/ composition for concrete and a process for its preparation is provided suitable as an additive for addition at the time of preparing the concrete/ plaster to advantageously avoid subsequent 5 water curing by synergizing water retention and improved reaction kinetics, and hence the efficiency attained is in terms of faster curing by involving lesser amount of water for curing concrete type materials including cement, plasters and the like allowing endured workability of concrete slump based on water retention, normalized controlled and uniform hydration thereby minimizing stress 10 generation and plastic shrinkage based cracking tendencies without much compromising on curing time, while also achieving reduction in chloride ion permeability together with improved compressive strength by duly maintaining necessary flexural strength post curing.
A formulation and process of preparing a functionalized-urethane alkyd resin, and a siliconized-urethane alkyd resin, is obtained from an alkyd based on semi drying/drying oils, or their fatty acids, having high iodine number of 120-170 (gm I2/100 gm), followed by grafting of epoxy-alkyl-alkoxy silane or silanol-functional silicone resin into an alkyd backbone. There is also subsequent urethanization of the organosilane grafted alkyd. Siliconized-urethane alkyd thus obtained were incorporated in solvent-borne pigmented-coating compositions and found suitable for preparing air drying 1 pack coatings providing excellent corrosion resistance, weathering and mechanical properties when applied on variety of substrates such as mild steel, corroded mild steel, other metals, alloys, glass, wood and cementitious materials
The present disclosure relates to a coating system comprising a base coat and a top coat. The present disclosure further relates to a process for the preparation of a base coat and a top coat. The coating system of the present disclosure is odorless, has odor absorption property, removes toxic chemicals, has thermal insulation property, has air cleaning property for toxic gases, has good acoustic performance and attractive aesthetics. The present disclosure further relates to a process for the preparation of the coating system that is simple, economic and environment friendly.
The present disclosure relates to a coating composition and a process for its preparation. The coating composition of the present disclosure has enhanced streak resistance, enhanced dirt pick up resistance (DPUR), has improved crack resistance and flexibility; and has a comparatively high hydrophilicity. Further, the coating composition of the present disclosure is suitable for a variety of architectural surfaces such as masonry, stucco, brick, cement plaster, wood, painted surfaces, and the like. The process for preparing the coating composition of the present disclosure is simple and economic.
The present disclosure relates to a waterproofing composition comprising an acrylic binder; at least one silicone based emulsion; at least one crystalline additive; at least one performance additive; at least one pigment; and water. The present disclosure further relates to a process for the preparation of a waterproofing composition. The waterproofing composition of the present disclosure is effective against dampness and efflorescence. The waterproofing composition of the present disclosure is capable of forming a breathable yet water tight film which doesn't allow transport of water and salts through the film.
The present disclosure relates to a primer composition and a process for its preparation. The primer composition comprises a polymer solution, a penetration aid, a wetting agent, an adhesion promoter, a plasticizer, a siloxane based oligomeric compound, a catalyst, a polyisocyanate and a hydrophobizing agent. The primer composition has excellent alkali and efflorescence resistance, and enhances the durability of the paint even when applied on the uncured substrates.
The present disclosure relates to a multifunctional adhesive composition. Further, the present disclosure relates to a process for the preparation of the multifunctional adhesive composition. The multifunctional adhesive composition is uniform, homogeneous and has improved water resistance, crack resistance, efflorescence resistance, and color compatibility. The multifunctional adhesive composition is used as a performance enhancer in paints and also as a color/shade offering enabler in paints, especially in cement paints. The process for the preparation of the multifunctional adhesive composition is simple and economical.
C09J 7/00 - Adhesives in the form of films or foils
C04B 28/00 - 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
A uniquely designed multifunctional polymer hybrid is provided suitable for readyto use single component self-priming glossy enamel for new as well as rusty mildsteel substrates for low to high corrosion zones as validated through acceleratedweathering in QUV 313 and accelerated corrosion resistance performance through ASTM B 117 Salt fog test.
The present disclosure relates to a polysiloxane copolymer and a process for its preparation. The polysiloxane copolymer of the present disclosure can be cured at an ambient temperature and sustains at high temperatures without the loss of flexibility. Further, the present disclosure relates to a coating composition comprising the polysiloxane copolymer and a process for preparing the coating composition. The coating composition of the present disclosure can be used for high heat resistance coating and the corrosion under insulation (CUI) coating.
The present disclosure provides a biocidal binder emulsion comprising an encapsulated biocide. The binder emulsion comprises a polymer; a fatty acid amide; an encapsulated biocide; at least one additive and water. The present disclosure further provides a simple and economical process for preparing the biocidal binder emulsion. The process of the present disclosure obviates precipitation of biocide during polymerization.
C08L 91/00 - Compositions of oils, fats or waxesCompositions of derivatives thereof
C09D 5/14 - Paints containing biocides, e.g. fungicides, insecticides or pesticides
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
A polyester resin containing Rosin (60 to 80% by weight on polymer solids),Maleic anhydride (5 to 15% by weight on polymer solids), tri and terta functional5polyols such as trimethylolpropane, pentaerythritol (10 to 20% by weight onpolymer solids) is provided having acid value of 60 to 105 mg KOH/g and ahydroxyl value of 0 to 40 mg KOH/g. The number average molecular weight is500 to 1500 and the polydispersity index is >10. The glass transitiontemperature of the polyester is 60 to 1000C as measured by DSC and is10compatible with alcohols, ketones, glycol ethers, esters, ethers, aromatics.
A biopolymer based copolymer emulsion is provided comprising biopolymer doped acrylic latex including copolymers of monomers including styrene and butyl acrylate onto non-degraded, non-gelatinized polysaccharide, including starch/dextrin at low dosage, together with the synthetic monomers in select amounts, thus providing for biopolymer based/doped copolymer, preferably biopolymer doped styrene acrylic latex and emulsions thereof suitable for concrete coating compositions/ high PVC decorative paints, and advantageously having improved opacity and reduced strength, better coverage and ease of application as concrete coatings.
An aqueous polymer composition comprises reaction products of an alkyl ester of acrylic or methacrylic acid monomer, a hydroxylated alkyl ester of acrylic or methacrylic acid monomer, a hydroxylated polyalkoxyalkyl ester of acrylic or methacrylic acid monomer, and a water miscible co-solvent present in less than 10% by weight of the aqueous polymer composition, an epoxy silane monomer/oligomer and a tertiary amine and a primary/secondary amine. The hydroxylated alkyl ester of acrylic or methacrylic acid monomer and hydroxylated polyalkoxyalkyl ester of acrylic or methacrylic acid monomer are in a ratio 99.5:0.5 to 92:8 by weight. The tertiary amine and the primary/secondary amine are in a ratio of 20:80 to 100:0 by weight.
C09J 133/06 - 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
C08L 33/12 - Homopolymers or copolymers of methyl methacrylate
A core-shell latex/binder comprising styrene acrylic emulsion/paint formulation including core shell latex particles, is provided, involving styrene rich core and acrylate shell based polymeric particles wherein said core has at least 40 wt.% styrene with respect to total monomer. Also, is provided a two-stage process of synthesizing the same wherein while the core comprises high amount of styrene of at least 40% by wt, said emulsion has at least 50 wt.% solid content to meet high specific productivity. Said core shell styrene-acrylate latex paint showed very high UV resistance properties when compared to formulations having non-core-shell styrene acrylate latex.
Ambient cured hydroxyl non-isocyanate polyurethane (HNIPU) based coating or curable formulations thereof is provided comprising: (i) a binder base comprising ambient temperature curable hydroxyl urethane oligomer and/or polymer (HNIPU) binder of selective amine hydrogen equivalent weight in the range of 400–1600 and having n≥2, 'n' being the number of hydroxyurethane repeat units in said oligomer and/or polymer, (ii) hardener comprising "m" number of aldehyde and/ or ketone functionalities, "m" being ≥1, adapted for said ambient cured hydroxyl non-isocyanate polyurethane (HNIPU) based coating having a reaction product of said (i) and (ii) such that "m+n"≥4 in said reaction product. A process for preparation of said coating or curable formulations thereof is also provided involving aldehyde and/ or ketone functionality based hardening/ cross linking at room temperature for ambient curing and film forming.
22 /100gm) followed by grafting of epoxy alkyl alkoxy silane or silanol functional silicone resin into the alkyd backbone and subsequent urethanization of the organosilane grafted alkyd. Siliconized urethane alkyd thus obtained were incorporated in solvent borne pigmented coating compositions and found suitable for preparing air drying 1pack coatings providing excellent corrosion resistance, weathering and mechanical properties when applied on variety of substrates such as mild steel, corroded mild steel, other metals, alloys, glass, wood and cementitious etc.
C09D 183/00 - Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon onlyCoating compositions based on derivatives of such polymers
The present disclosure relates to a stable conjugate aminosilane adduct and a process for preparation. The stable conjugate aminosilane adduct comprises at least one of epoxy compound or at least one acetoacetate compound; and at least one aminosilane compound. The stable adduct is characterized by an amine value in the range of 90 to 250 mgKOH/g and a viscosity in the range of 30 - 350 cps. The stable conjugate aminosilane adduct of the present disclosure provides longer pot life, does not require long induction time before application and shows comparatively less blushing in the coating.
C08G 77/26 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen nitrogen-containing groups
C08G 59/00 - Polycondensates containing more than one epoxy group per moleculeMacromolecules obtained by reaction of epoxy polycondensates with monofunctional low-molecular-weight compoundsMacromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
19.
WATER BORNE ALKYD EMULSIONS FOR SURFACE PRIMER COMPOSITIONS FOR ARCHITECTURAL INTERIOR FINISHES
Aqueous alkyd emulsions are provided suitable for preparing water borne primer paint compositions for variety of porous and nonporous substrates and a process thereof consisting of i) preparation of high solid alkyd by reacting vegetable Oil fatty acids, aromatic carboxylic acid, aromatic dicarboxylic acid and polyol, and ii) preparation of aqueous emulsion of said high solid alkyd resin using suitable emulsifying agent (nonionic and anionic surfactant) through emulsion inversion process (EIP). The aqueous primer paint compositions comprising of alkyd emulsions, inorganic pigments, extenders, additives and driers are suitable for highly porous and chalky Plaster of Paris and cementitious surfaces which are quite difficult to coat with. Such water borne primer compositions provided an adherent coating having excellent adhesion/ inter coat adhesion with the substrate as well as between layers of primer and top coats.
High solid acrylic polyols comprising hydroxy functional acrylic copolymers/resins are provided having hydroxyl functionality sourced solely or partially through renewable and modified castor oil wherein the copolymers had upto 100% solids and high hydroxyl values ranging from 80-200 (mg KOH /gm). Said high solid acrylic polyols involving modified castor oil as monomers favoured complete or partial replacement of soft monomers like butyl acrylate, 2-ethyl hexyl acrylate, lauryl acrylate and the like in said high solid acrylic polyol synthesis. The renewable content of these resins can be as high as 70% on resin solids thereby providing economical and sustainable polymer for high performance coatings. The synthesized high solid acrylic polyols find application in high solid and high build coatings having low Volatile Organic Component (VOC) content for decorative and industrial use. Said high solid acrylic polyols have been synthesised by co-reacting acid anhydride modified castor oil as sole/major hydroxyl functional monomer with variety of acrylic monomers, styrene or its derivatives and optionally hydroxyalkyl acrylates / methacrylates and ethylenic monomer through free radical polymerization in presence of initiator(s).
A surfactant stabilized vinyl acetate ter-polymer based emulsion is provided comprising surfactant combination based freeze thaw stabilized vinyl acetate ter-polymer emulsion wherein said surfactant combination comprises non-ionic surfactant in combination with at least two polymerizable anionic reactive surfactants. A process of manufacturing the said emulsion is also provided, which process in comprising of selective sequence based steps and upon employing selective amounts of ingredients provides for said freeze thaw stable emulsion that is freeze thaw stable upto at least 5 cycles of freezing and thawing and yet maintains a particle size of 130-150 nm.
Waterborne hydroxyl functional acrylic copolymer dispersions are disclosed comprising a copolymer with a backbone including grafted renewable castor oil sourced content and which comprises copolymerized ethylenically unsaturated castor oil based macromonomer and at least one ethylenically unsaturated monomer, which macromonomer is obtained of a reaction between castor oil and unsaturated carboxylic acid or anhydride, used as hydroxy functional monomer. Such acrylic copolymer dispersions have volatile organic compound content less than 10 parts by weight of the dispersion.
C08F 265/00 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group
C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
C08G 18/62 - Polymers of compounds having carbon-to-carbon double bonds
A coating composition having self-scratch healing characteristics comprising aminoplastic resin cross-linked polyester polyol resin comprising one or more renewable polyalkylene glycols is provided. A synthesis method for manufacturing said coating composition involving melamine cured shape memory polyester or polyester/acrylic blend coating films is provided wherein, by specifying the thermosetting composition and cross linking agent of the said polyester or polyester/acrylic blend coating resin, clear coat film having excellent self-mending ability under ambient conditions and good mechanical hardness under baking conditions is provided.
A shellac polymer hybrid is provided and a process thereof comprising a polymeric reaction product which is urethanised, malenised and/or oelfinised modified shellac with modified hydroxyl value including grafted polymer cross linked with shellac, said polymer hybrid having modified solid levels and favouring increased water and solvent retention. Said hybrid is provided as aqueous solutions and dispersions of cross linkable shellac-polyurethane-polymer hybrid and a high gloss coating formulations attained thereof, which polymer hybrid dries fast with good mechanical properties and gloss retention. Advantageously, the increased solid level of the dispersion favours application by brush without sagging in addition to the advantage of application by ragging wherein reducing the hydroxyl group content of shellac increases the water and solvent resistance to a significant extent.
A surfactant stabilized vinyl acetate ter-polymer based emulsion is provided comprising surfactant combination based freeze thaw stabilized vinyl acetate ter-polymer emulsion wherein said surfactant combination comprises non-ionic surfactant in combination with atleast two polymerizable anionic reactive surfactants. A process of manufacturing the said emulsion is also provided, which process in comprising of selective sequence based steps and upon employing selective amounts of ingredients provides for said freeze thaw stable emulsion that is freeze thaw stable upto at least 5 cycles of freezing and thawing and yet maintains a particle size of 130-150 nm.
Acrylic polyols comprising hydroxy functional acrylic copolymers/resin involving an acrylic backbone having modified castor oil sourced hydroxyl functionalities and synthesized by co-reacting modified hydroxy functional Castor Oil with variety of acrylic monomers, styrene or its derivatives and optionally hydroxyalkyl acrylates/methacrylates and ethylenic monomer through solution polymerization in presence of an initiator. The hydroxyl functionality is solely or partially imparted through renewable Castor Oil wherein the resins were synthesized at upto 100% solids and at hydroxyl values ranging from 25-150 (mg KOH/gm). The synthesized resins when cured with suitable polyisocyanates or amino resin cross-linkers provided tough, glossy and chemical & weather resistant coatings.
C08G 18/62 - Polymers of compounds having carbon-to-carbon double bonds
C08G 81/02 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects producedFilling pastes
C09D 135/06 - Copolymers with vinyl aromatic monomers
A nano-particulate composition comprising nano particulate capsule comprising at least one or more of hydrophobic core material and a polymeric shell comprising homo-polymer or copolymers of at least one ethylenically unsaturated monomers or mixture thereof and having particle size distribution with an average article size in the range of 50 to 1000 nm is provided together with a controlled release delivery system comprising fragrance release delivery system involving said nano particulate capsule water based emulsion and a process of manufacture thereof. Said delivery system provided is able to protect and release the fragrance in a controlled manner over a period of time. The controlled release fragrance delivery system of the present invention finds advantageous end use and application in fragranced consumer products formulations including water based coating/ paint formulations and industrial formulations for use in industries including textile, cosmetics, soaps and detergents, leather industries.
Acrylic polyols comprising hydroxy functional acrylic copolymers/resin involving an acrylic backbone having modified castor oil sourced hydroxyl functionalities and synthesized by co-reacting modified hydroxy functional Castor Oil with variety of acrylic monomers, styrene or its derivatives and optionally hydroxyalkyl acrylates / methacrylates and ethylenic monomer through solution polymerization in presence of an initiator. The hydroxyl functionality is solely or partially imparted through renewable Castor Oil wherein the resins were synthesized at upto 100% solids and at hydroxyl values ranging from 25-150 (mg KOH /gm). The synthesized resins when cured with suitable polyisocyanates or amino resin cross-linkers provided tough, glossy and chemical & weather resistant coatings.
Stimuli responsive self-cleaning aqueous coating compositions for masonry and other substrates involving coatings that are durable, storage stable, ambient curing and recoatable comprising of smart polymers, which said coatings exhibits reversible super-hydrophobic and super-hydrophilic behaviour in response to external stimuli based variable environmental conditions such as variations in at least one temperature, pH, humidity and light; also exhibiting low contact angle hysteresis of < 25 degrees which reversibly switches to a contact angle hysteresis of > 25 degrees with external stimuli. Said aqueous coating composition comprising a polymeric dispersion of either acrylic, fluorinated and amine backbone or acrylic, fluorinated and acid backbone in combination with hydrophobic and hydrophilic silicones and at least partially surface treated particles also including particulate mixture of micro and nano particles having balance of hydrophobicity and hydrophilicity, advantageously facilitates the attainment of contact angle hysteresis of < 25 degrees by the said self cleaning coating composition.
Stable waterborne acrylated alkyd dispersions comprising amine neutralized acrylic modified said selective alkyd resins, and a process for manufacturing said resins and dispersions involving said resin thus finding its end use and application in variety of coating/ paint formulations. Said selective alkyd resin facilitates a stable aqueous dispersion comprising amine neutralized dispersions of acrylate-modified alkyd resins with very low organic solvent demands so as to formulate VOC (volatile organic compound) compliant coatings out of the same with desired VOC target values optionally containing other ingredients to further benefit/ boost the attributes of the dispersion adapted for coating/ paint compositions. Said dispersions obtained of said selective alkyd resins in also being free of emulsifiers exhibits good water resistance, has high storage stability, long shelf life, high shear stability without formation of any aggregates and is suitable for its end use and application in high quality glossy air drying and stoving applications.
C09D 167/00 - Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chainCoating compositions based on derivatives of such polymers
C08G 63/00 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
C09D 133/00 - Coating compositions based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereofCoating compositions based on derivatives of such polymers
patents
