KR950018350A - Water Dispersible Polyurethane Polyol Composition and Water-Based Paint - Google Patents

Water Dispersible Polyurethane Polyol Composition and Water-Based Paint Download PDF

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KR950018350A
KR950018350A KR1019930030945A KR930030945A KR950018350A KR 950018350 A KR950018350 A KR 950018350A KR 1019930030945 A KR1019930030945 A KR 1019930030945A KR 930030945 A KR930030945 A KR 930030945A KR 950018350 A KR950018350 A KR 950018350A
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water
polyurethane polyol
weight
resin
polyol composition
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KR1019930030945A
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KR100308508B1 (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
    • 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
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C09D7/20—Diluents or solvents
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

본 발명은 수분산성 폴리우레탄 폴리올 조성물 및 이를 주제로 사용하는 수성 도료에 관한 것으로서, 주수지로서 17~30mgKOH/g의 중화전 산가, 40~100mgKOH/g의 수산가, 2500~5000중량 평균 분자량의 수분산 폴리우레탄 폴리올과 보조수지로서 7~24mgKOH/g의 중화전 산가, 20~50mgKOH/g의 수산가, 7000~20000 중량 평균 분자량의 수분산 폴리우레탄 폴리올 및 수분산 블록폴리이소시아네이트 단독 또는 아미노 수지와 혼합된 경화제로 구성된 수분산 폴리우레탄 폴리올 조성물을 제조하고 이에 첨가제로 안료 등을 포함시킴으로써 기존 수성 도료의 내화적 성질을 개선하고 기계적 성질, 특히 전착 소지 및 상도와의 부착성 및 칩핑성이 향상되는 효과가 있다.The present invention relates to a water dispersible polyurethane polyol composition and an aqueous paint using the same as a main resin, an acid value of 17 to 30 mgKOH / g before neutralization, a hydroxyl value of 40 to 100 mgKOH / g, and an aqueous dispersion of 2500 to 5000 weight average molecular weight. Hardener mixed with polyurethane polyol and auxiliary resin, acid value of 7 ~ 24mgKOH / g, neutral acid value of 20 ~ 50mgKOH / g, water dispersion polyurethane polyol of 7000 ~ 20000 weight average molecular weight and water dispersion polyisocyanate alone or mixed with amino resin By preparing a water-dispersed polyurethane polyol composition consisting of and including a pigment and the like as an additive there is an effect to improve the fire resistance properties of the existing water-based paints, mechanical properties, in particular electrodeposition properties and adhesion to the top and chipping properties. .

Description

수분산성 폴리우레탄 폴리올 조성물 및 이를 주제로 하는 수성 도료Water Dispersible Polyurethane Polyol Composition and Water-Based Paint

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

Claims (14)

주수지로서 17~30mgKOH/g의 중화전 산가, 40~100mgKOH/g의 수산가, 2500~5000중량 평균 분자량의 수분산 폴리우레탄 폴리올과 보조수지로서 7~24mgKOH/g의 중화전 산가, 20~50mgKOH/g의 수산가, 7000~20000 중량 평균 분자량의 수분산 폴리우레탄 폴리올 및 수분산 블록폴리이소시아네이트 단독 혹은 아미노 수지와 혼합된 경화제로 구성된 수분산성 폴리우레탄 폴리올 조성물.Pre-neutralizing acid value of 17-30mgKOH / g as main resin, hydroxyl value of 40-100mgKOH / g, water-dispersed polyurethane polyol of 2500 ~ 5000 weight average molecular weight and pre-neutralizing acid value of 7 ~ 24mgKOH / g as auxiliary resin, 20-50mgKOH / g A water-dispersible polyurethane polyol composition comprising a curing agent mixed with an aqueous resin, a water-dispersed polyurethane polyol having a weight average molecular weight of 7000 to 20000, and a water-dispersed blocked polyisocyanate alone or an amino resin. 제1항에 있어서, 상기 수분산 폴리우레탄 폴리올들은 180~200℃에서 다가알콜과 다가산올 반응시켜서 폴리에스테르 폴리올을 합성하여 80~100℃에서 솔트화 그룹을 혼합하고 70℃에서 조용제와 다가의 이소시아네이트를 투입하여 폴리우레탄 폴리올 폴리폴리머를 형성한 뒤 중화제를 첨가하여 물에 분산함을 특징으로 하는 수분산성 폴리우레탄 폴리올 조성물.According to claim 1, wherein the water-dispersed polyurethane polyols are reacted with polyhydric alcohols and polyacids at 180 ~ 200 ℃ to synthesize a polyester polyol to mix the salted group at 80 ~ 100 ℃ and the co-solvent and polyvalent isocyanate at 70 ℃ Water-dispersible polyurethane polyol composition, characterized in that to form a polyurethane polyol polymer by adding a neutralizing agent and then dispersed in water. 제2항에 있어서, 솔트화 그룹은 디메틸롤 프로피오닉 산이며, 상기 폴리우레탄 폴리올 프리폴리머의 3~8중량%로 사용됨을 특징으로 하는 수분산성 폴리우레탄 폴리올 조성물.The water-dispersible polyurethane polyol composition according to claim 2, wherein the salted group is dimethylol propionic acid, used at 3 to 8% by weight of the polyurethane polyol prepolymer. 제2항에 있어서, 폴리우레탄 폴리올 프리폴리머의 OH/NCO 당량비가 1.4~1.9임을 특징으로 하는 수분산성 폴리우레탄 폴리올 조성물.3. The water dispersible polyurethane polyol composition according to claim 2, wherein the OH / NCO equivalent ratio of the polyurethane polyol prepolymer is 1.4 to 1.9. 제2항에 있어서, 조용제는 메틸에틸게톤, 아세톤, 디메틸 포름아미드, 글리콜이써에스테르, 엔-메틸-2-피롤리돈으로 구성된 그룹중에서 선택된 적어도 1종 이상이며, 상기 폴리우레탄 폴리올 프리폴리머에 대해 고형분비로 25~35중량%를 사용함을 특징으로 하는 수분산성 폴리우레탄 폴리올 조성물.3. The co-solvent according to claim 2, wherein the co-solvent is at least one selected from the group consisting of methyl ethyl getone, acetone, dimethyl formamide, glycol ether ester and en-methyl-2-pyrrolidone, Water-dispersible polyurethane polyol composition, characterized in that it uses 25 to 35% by weight in solid content. 제1항에 있어서, 주수지대 보조수지의 고형분비가 2.5:1~4:1로 이루어짐을 특징으로 하는 수분산성 폴리우레탄 폴리올 조성물.The water-dispersible polyurethane polyol composition according to claim 1, wherein the solid content ratio of the main resin zone auxiliary resin is 2.5: 1 to 4: 1. 제1항에 있어서, 수분산 블록폴리이소시아네이트와 아미노 수지가 혼합된 경화제는 아미노 수지의조성성분이 10중량 %이하이며, 상기 수분산 블록폴리이소시아네이트와 아미노 수지의 고형분비가 2.7:1~4.5:1임을 특징으로 하는 수분산성 폴리우레탄 폴리올 조성물.The curing agent of claim 1, wherein the curing agent in which the water-dispersible blocked polyisocyanate and the amino resin are mixed The water-dispersible polyurethane polyol composition, wherein the composition component is 10% by weight or less, and the solid content ratio of the water-dispersed blocked polyisocyanate and amino resin is 2.7: 1 to 4.5: 1. 제1항에 있어서, 수분산 블록폴리이소시아네이트는 카프로락탐 혹은 옥심류로 블록킹된 폴리이소시아네이트 그룹으로서 블록킹제로 블록된 잔존 이소시아네이트 함량이 7~10%이며, 중화전산가가 30~50mgKOH/g, 고형분 35~45%, pH 7~9, 중량평균분자량 5000~10000, 점도 15~25Pa.s임을 특징으로 하는 수분산성 폴리우레탄 폴리올 조성물.The water-dispersed blocked polyisocyanate is a polyisocyanate group blocked with caprolactam or oximes, and has a residual isocyanate content of 7-10% blocked with a blocking agent, a neutralizing acid value of 30-50 mgKOH / g, and a solid content of 35-. Water-dispersible polyurethane polyol composition, characterized in that 45%, pH 7-9, weight average molecular weight 5000-10000, viscosity 15-25Pa.s. 제1항에 있어서, 주수지와 보조수지인 수분산 폴리우레탄 폴리올의 혼합물대 경화제가 65:35~50:50의 고형비로 이루어짐을 특징으로 하는 수분산성 폴리우레탄 폴리올 조성물.The water dispersible polyurethane polyol composition according to claim 1, wherein the mixture of the water dispersible polyurethane polyol, which is the main resin and the auxiliary resin, to the curing agent is in a solid ratio of 65:35 to 50:50. 주수지로서 17~30mgKOH/g의 중화전 산가, 40~100mgKOH/g의 수산가, 2500~5000중량 평균 분자량을 갖는 수분산 폴리우레탄 폴리올과 보조수지로서 7~24mgKOH/g의 중화전 산가, 20~50mgKOH/g의 수산가, 7000~20000 중량 평균 분자량을 갖는 수분산 폴리우레탄 폴리올을 2.5:1~4:1의 고형분 비로 혼합한 것에, 수분산 블록폴리이소시아네이트 단독 혹은 아미노 수지와 2.7:1~4.5:1의 고형분 비로 혼합된 경화제를 첨가하되, 수분산 폴리우레탄 폴리올 혼합물 대 경화제의 고형분 비가 65:35~50:50이 되도록한 수분산성 폴리우레탄 폴리올 조성물에 중점제와 유동성 조절제, 분산제, 평활제, 안료 및 체질안료를 포함하는 수성 도료.Acid value before neutralization of 17-30 mgKOH / g as main resin, hydroxyl value of 40-100mgKOH / g, water-dispersible polyurethane polyol having 2500-5000 weight average molecular weight, and acid value before neutralization of 7-24mgKOH / g as auxiliary resin, 20-50mgKOH / The hydroxy value of g, a water-dispersed polyurethane polyol having a weight average molecular weight of 7000 to 20000 is mixed in a solid content ratio of 2.5: 1 to 4: 1, and the water-dispersible block polyisocyanate alone or an amino resin and 2.7: 1 to 4.5: 1 In the water-dispersible polyurethane polyol composition, in which the solid content ratio of the solid dispersion of the water-dispersed polyurethane polyol mixture to the curing agent is 65: 35-50: 50, is added as a thickener, flow control agent, dispersant, leveling agent, pigment and Water-based paints containing extender pigments. 제11항에 있어서, 상기 첨가제는 어쏘시에티브 중점제와 유동성 조절제를 1:1~1:3의 고형분비로 조합하고, 수성도료 전체에서 1/5~3.0중량%임을 특징으로 하는 수성 도료.The water-based paint of claim 11, wherein the additive combines an associative thickener and a fluidity regulator in a solid ratio of 1: 1 to 1: 3, and is 1/5 to 3.0% by weight of the entire aqueous coating. 제10항에 있어서, 분산제는 50% 엔-메틸-2-피롤리돈 용액으로, 전체 도료에서 0.25~1.0 중량%임을 특징으로 하는 수성 도료.11. The aqueous coating as claimed in claim 10, wherein the dispersing agent is a 50% N-methyl-2-pyrrolidone solution, which is 0.25 to 1.0% by weight of the total coating. 제10항에 있어서, 평활제는 전체 도료에서 0.25~1.0중량%임을 특징으로 하는 수성 도료.The water-based paint of claim 10, wherein the leveling agent is 0.25 to 1.0% by weight of the total paint. 제10항에 있어서, 체질안료는 바륨설페이트와 마그네슘 실리케이트로서 그들의 중량비는 1:1~2.35:1이며, 전체 도료에서 7~12중량%임을 특징으로 하는 수성 도료.The water-based pigment according to claim 10, wherein the extender pigment is barium sulfate and magnesium silicate, and their weight ratio is 1: 1 to 2.35: 1 and 7 to 12% by weight of the total paint. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930030945A 1993-12-29 1993-12-29 Water-dispersive polyurethane polyol composition and aqueous coating based on the same KR100308508B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100484060B1 (en) * 1996-12-31 2005-12-28 고려화학 주식회사 Low Temperature Curing and High Solid Water Soluble Coating Composition
KR20190030545A (en) 2017-09-14 2019-03-22 (주)엘지하우시스 Method of manufacturing aqueous surface treatment agent and the aqueous surface treatment agent prepared from the above method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100543602B1 (en) * 1997-12-31 2006-09-07 주식회사 케이씨씨 Manufacturing method of urethane-modified polyester polyol water-dispersible resin for automotive top coat and water-soluble coating composition containing same
KR100976831B1 (en) 2010-03-10 2010-08-18 (주)새론테크 Water-soluble polyurea resin coating agents composition for protect concrete structures and method for constructing concrete using the same

Family Cites Families (2)

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Publication number Priority date Publication date Assignee Title
JP2775702B2 (en) * 1988-08-03 1998-07-16 三井化学株式会社 Resin composition for chipping resistant paint
US5095069A (en) * 1990-08-30 1992-03-10 Ppg Industries, Inc. Internally-curable water-based polyurethanes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100484060B1 (en) * 1996-12-31 2005-12-28 고려화학 주식회사 Low Temperature Curing and High Solid Water Soluble Coating Composition
KR20190030545A (en) 2017-09-14 2019-03-22 (주)엘지하우시스 Method of manufacturing aqueous surface treatment agent and the aqueous surface treatment agent prepared from the above method
US11739476B2 (en) 2017-09-14 2023-08-29 Lg Hausys, Ltd. Method of preparing water-based surface treatment agent and water-based surface treatment agent prepared using the same

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