KR970042828A - Low Temperature Curing and Non-yellowing Water Soluble Coating Composition - Google Patents

Low Temperature Curing and Non-yellowing Water Soluble Coating Composition Download PDF

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KR970042828A
KR970042828A KR1019950069634A KR19950069634A KR970042828A KR 970042828 A KR970042828 A KR 970042828A KR 1019950069634 A KR1019950069634 A KR 1019950069634A KR 19950069634 A KR19950069634 A KR 19950069634A KR 970042828 A KR970042828 A KR 970042828A
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water
coating composition
resin
soluble coating
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KR100446702B1 (en
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문태권
박종명
이진
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김충세
고려화학 주식회사
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/06—Polyurethanes from polyesters
    • C—CHEMISTRY; METALLURGY
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
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    • C08K5/06—Ethers; Acetals; Ketals; Ortho-esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/06—Polyurethanes from polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of 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 only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
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    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
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    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates

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Abstract

본 발명은 저온에서 경화되고, 비황변이면서 도막에 고내충격성을 부여하는 수분산 폴리우레탄 주수지 조성물과 수분산 블록 폴리이소시아네이트 경화수지 조성들을 사용하는 도료 조성물에 관한 것으로, 주수지로서 수분산 폴리우레탄 폴리에스테르 폴리올 수지와 수분산 폴리우레탄 폴리에스테르 폴리올 수지를 고형분비로 2:1∼4:1로 혼합하고, 경화수지로서 수분산 블록 폴리이소시아네이트 제조하여, 주수지의 수산기와 경화수지의 이소시아네이트기의 당량비가 1:1.4∼0.75, 고형분비가 50:50∼85:25가 되도록 하는 수분산 폴리우레탄 주수지 조성물 및 이를 함유하는 도료 조성물에 판한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a coating composition using a water-dispersible polyurethane main resin composition and a water-dispersible block polyisocyanate cured resin composition which is cured at low temperature and which is non-yellowing and imparts high impact resistance to the coating film. A polyester polyol resin and a water-dispersed polyurethane polyester polyol resin are mixed at a solids ratio of 2: 1 to 4: 1, and a water-dispersible block polyisocyanate is prepared as a curable resin, and the equivalent ratio of the hydroxyl group of the main resin and the isocyanate group of the curable resin Is 1: 1.4 to 0.75 and the water-dispersed polyurethane main resin composition and the coating composition containing the same so that the solid content is 50:50 to 85:25.

Description

저온 경화 및 비황변형 수용성 도료 조성물Low Temperature Curing and Non-yellowing Water Soluble Coating Composition

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (10)

주수지로서 폴리에틸렌 옥사이드기를 함유한 폴리에틸렌글리콜이 고형 분으로 0.3-10%, 디메틸을 프로피오닉산에 의한 중화전 산가가 16-36mgKOH/g, 수산가가 60-120mgKOH/g, 중량평균 분자량이 3000∼6000인 수분산 폴리우레탄 폴리에스테르 폴리을 수지와 폴리에틸렌글리콜이 고형 분으로 0.3∼10%, 디메틸을 프로피오닉산에 의한 중화전 산가가 13∼24mgKOH/g, 수산가가 30-60mgKOH/g, 중량평균 분자량이 10000-25000인 수분산 폴리우레탄 폴리에스테르 폴리을 수지를 고형분비로 2:1-4:1로 혼합하고, 경화수지로서 디메틸을 프로피오닉산에 의한 중화전 산가가 25∼50mgKOH/g,블록된 이소시아네이트(-NCO)의 함량이 4∼15중량%, 중량평균 분자량이 1500∼5000인 수분산 블록 폴리이소시아네이트 제조하여, 주수지의 수산기와 경화수지의 이소시아네이트기의 당량배가 1:1.4∼O/7.5, 고형분비가 50:50∼85:25가 되도록 하는 수분산 폴리우레탄 주수지 조성물.Polyethylene glycol containing polyethylene oxide as the main resin is 0.3-10% in solid content, dimethyl to propionic acid before neutralization 16-36 mgKOH / g, hydroxyl value 60-120 mgKOH / g, weight average molecular weight 3000-6000 Phosphorus-dispersed Polyurethane Polyester Poly 0.3 to 10% in solid content of resin and polyethylene glycol, dimethyl to 13-24 mgKOH / g acid value before neutralization by propionic acid, hydroxyl value 30-60 mgKOH / g, weight average molecular weight 10000 -25000 water-dispersed polyurethane polyester poly was mixed in a solid ratio of 2: 1-4: 1 in resin, dimethyl as a curable resin, the acid value before neutralization by propionic acid was 25-50 mgKOH / g, blocked isocyanate (-NCO ) Is a water-dispersed block polyisocyanate having a content of 4 to 15% by weight and a weight average molecular weight of 1500 to 5000, and the equivalent times of the hydroxyl group of the main resin and the isocyanate group of the cured resin is 1: 1.4 to O / 7.5, solid Ratio of 50: 50-85: 25 can be such that the polyurethane dispersion state resin composition. 제 1항에 있어서, 상기 수분산블록 폴리이소시아네이트 수지는 다가의 알코을과 다가의 산을 방응시켜 폴리에스테르 폴리올을 합성한 다음, 여기에 음이온성 그룹, 다가의 알코올 및 조용제를 균질 혼합시키고, 다가의이소시아네이트를 투입하여 잔존 이소시아네이트함량이 폴리우레탄 프리폴리머 고형분의 4∼15중량%가 되면 블록킹제를 투입하여, 블록킹시키고, 여기에 중화제를 투입하여 중화시켜서 제조되는 것을 특징으로하는 수분산수진 조성물.The method of claim 1, wherein the water-dispersible block polyisocyanate resin reacts polyhydric alcohols with polyvalent acids to synthesize polyester polyols, and then homogeneously mixes anionic groups, polyhydric alcohols, and co-solvents thereto, When the isocyanate content is 4 to 15% by weight of the polyurethane prepolymer solid content by adding isocyanate, a blocking agent is added and blocked, and the aqueous dispersion composition is prepared by adding a neutralizing agent to neutralize it. 제 2항에 있어서, 상기 수분산 블록 폴리이소시아네이트 수지는 블록킹제로 3,5-디메틸피라졸, 3-메틸피라졸, 4-니트로-3,5-디메틸피라졸 또는 4-브로모-3,5-디메틸피라졸을 사용하고, 전체 수분산 블록 수지 조성물에 대하여 4-12 중량%로 첨가됨을 특징으로 하는 수분산 수지 조성들.The method of claim 2, wherein the water-blocking polyisocyanate resin is a blocking agent, 3,5-dimethylpyrazole, 3-methylpyrazole, 4-nitro-3,5-dimethylpyrazole or 4-bromo-3,5 Water dispersion resin compositions using dimethylpyrazole and added at 4-12% by weight relative to the total water dispersion block resin composition. 제 1항의 조성물, 유동성 조절제, 용융실리카형 중점제, 분산제, 소포제, 평활제, 조용제, 안료 및 체질안료 구성된 저온 경화 및 비황변형 수용성 도료 조성물.A low temperature cured and non-yellowing water-soluble coating composition comprising the composition of claim 1, a flow control agent, a melt silica type thickener, a dispersant, an antifoaming agent, a leveling agent, a co-solvent, a pigment and an extender pigment. 제 4항에 있어서, 상기 첨가제인 유동성 조절제는 폴리아크릴 에멀전형 및 폴리우레탄형 중점제를 고형분비로 2:1∼5:1의 비율로 조합 사용하고, 용융 실리카형 중점제와 고형분비로 1:1∼4.5:1로 하여 전체수용성 도료 조성물에 대하여 1.0∼3.0 중량%로 첨가됨을 특징으로 하며, 용융 실리카형의 중점제는 밀-베이스에 투입하고 유동성 조절제는 후첨함을 특징으로 하는 저온 경화 및 비황변형 수용성 도료조성물.According to claim 4, wherein the flow control agent as the additive is a polyacrylic emulsion type and a polyurethane-type thickener in combination of the ratio of 2: 1 to 5: 1 in the solid ratio, using a fused silica type thickener and solid ratio of 1: 1 It is characterized in that it is added at 1.0 to 3.0% by weight based on the total water-soluble coating composition, ˜4.5: 1, the fused silica type midpoint agent is added to the mill-base, and the fluidity regulator is post-cured Modified Water Soluble Coating Compositions. 제 4항에 있어서, 상기 분산제는 무기안료 계통에 적합한 비이온성분산제를 사용하고, 전체 수용성 도료조성들에 대하여 0.5-1.5 중량%로 첨가됨을 특징으로 하는 저온 경화 및 비황변형 수용성 도료조성물.The low temperature hardening and non-yellowing water-soluble coating composition according to claim 4, wherein the dispersing agent is used in an inorganic pigment system suitable for an inorganic pigment system and is added in an amount of 0.5-1.5 wt% based on the total water-soluble paint compositions. 제 4항에 있어서, 상기 소포제는 폴리실록산 계통의 소포제를 사용하고, 전체 수용성 도료 조성물에 대하여 0.05-0.5 중략%로 첨가되는 것을 특징으로 하는 저온 경화 및 비황변형 수용성 도료 조성물.The antifoaming agent according to claim 4, wherein the antifoaming agent is a polysiloxane antifoaming agent and is added at 0.05-0.5% by weight relative to the total water-soluble coating composition. 제 1항에 있어서, 상기 평활제는 폴리실록산 계통의 소포제를 사용하고, 전체 수용성 도료 조성물에 대하여 0.1-1.0 중략%로 첨가되며, 후첨되는 것을 특징으로하는 저온 경화 및 비황변형 수용성 도료 조성물.The low-temperature curing and non-yellowing water-soluble coating composition according to claim 1, wherein the leveling agent is a polysiloxane antifoaming agent, and is added in an amount of about 0.1-1.0% by weight based on the total water-soluble coating composition. 제 4항에 있어서, 상기 조용제는 부틸글리콜과 부틸카비톨을 조합하여 사용하고, 전체 수용성 도료 조성물에 대하여 4∼9 중량%로 첨가됨을 특징으로 하는 저온 경화 및 비황변형 수용성 도료 조성물The low temperature curing and non-yellowing water-soluble coating composition according to claim 4, wherein the co-solvent is used in combination of butyl glycol and butyl carbitol and added at 4 to 9 wt% based on the total water-soluble coating composition. 제 4항에 있어서, 상기 안료는 티타늄디옥사이드, 카본블랙 등의 무기계 착색안료와 바륨설페이트, 마그네슘실리케이트 등의 체질안료가 사용되고, 전체 수용성 도료 조성물에 대하여 15-30 중량%를 사용하고, 상기 안료중 체질안료인 바륨설페이트와 마그네슘실리케이트의 무게비가 1:1-3:1이고, 상기 체질 안료가 전체 수용성 도료 조성물에 대하여 5-15 중량% 첨가됨을 특징으로 하는 저온 경화 및 비황변형 수용성 도료 조성물The pigment is an inorganic colored pigment such as titanium dioxide, carbon black, and a sieving pigment such as barium sulfate and magnesium silicate. The pigment is used in an amount of 15-30% by weight based on the total water-soluble coating composition. Low-temperature curing and non-yellowing water-soluble coating composition, characterized in that the weight ratio of the barium sulfate and magnesium silicate of the extender pigment is 1: 1-3: 1, and the extender pigment is added 5-15% by weight based on the total water-soluble paint composition.
KR1019950069634A 1995-12-30 1995-12-30 Low temperature curing and yellowing-free water dispersive resin composition comprising two different kinds of water dispersive polyurethane polyester polyol resins as main resin and water dispersive blocked polyisocyanate as curing resin, and water-soluble paint composition containing the resin composition KR100446702B1 (en)

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KR1019950069634A KR100446702B1 (en) 1995-12-30 1995-12-30 Low temperature curing and yellowing-free water dispersive resin composition comprising two different kinds of water dispersive polyurethane polyester polyol resins as main resin and water dispersive blocked polyisocyanate as curing resin, and water-soluble paint composition containing the resin composition

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KR1019950069634A KR100446702B1 (en) 1995-12-30 1995-12-30 Low temperature curing and yellowing-free water dispersive resin composition comprising two different kinds of water dispersive polyurethane polyester polyol resins as main resin and water dispersive blocked polyisocyanate as curing resin, and water-soluble paint composition containing the resin composition

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KR100446702B1 KR100446702B1 (en) 2005-01-31

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