KR970042887A - Thermosetting resin composition for coating - Google Patents

Thermosetting resin composition for coating Download PDF

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Publication number
KR970042887A
KR970042887A KR1019950068617A KR19950068617A KR970042887A KR 970042887 A KR970042887 A KR 970042887A KR 1019950068617 A KR1019950068617 A KR 1019950068617A KR 19950068617 A KR19950068617 A KR 19950068617A KR 970042887 A KR970042887 A KR 970042887A
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South Korea
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acrylate
meth
acrylic
resin composition
thermosetting resin
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KR1019950068617A
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Korean (ko)
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KR100421561B1 (en
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김종문
윤흥선
김창수
정유석
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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
    • C09D133/00—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 thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—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
    • C09D133/08—Homopolymers or copolymers of acrylic acid esters
    • 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
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paints Or Removers (AREA)

Abstract

본 발명은 하이솔리드 아크릴수지를 주제로 하고 반응성실란기를 포함한 이소시아네이트를 아크릴변성폴리에스테르와 폴리카프록탐 또는 폴리카보네이트와 결합하여 제조된 변성수지와 황변화되지 않는(noon-yellowing)타입의 블록이소시아네이트 수지를 경화제로 사용하여, 기존 도료 타입보다 내약품성, 스크래치성과 실란기를 포함하고도 아주 우수한 저장성 및 상도 부분과의 부착성에서도 아주 탁월한 효과를 나타내는 자동차 클리어 도료용 열경화성 수지 조성물에 관한 것이다.The present invention relates to a modified resin and a non-yellowing block isocyanate resin prepared by combining an isocyanate containing a reactive silane group with an acrylic modified polyester and a polycaproltam or a polycarbonate. The present invention relates to a thermosetting resin composition for automobile clear paints using a curing agent, which exhibits excellent effects in chemical resistance, scratch resistance and silane groups, and excellent adhesion even to top coat parts, compared to conventional paint types.

Description

도료용 열경화성 수지 조성물Thermosetting resin composition for coating

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

Claims (10)

카르복실기, 하이드록실기, 아미노기를 함유한 아크릴모노머를 용액중합시킨 수지로서 산가 5∼30㎎KOH/g, 하이드록실가 50∼170㎎KOH/g이고 수평균 분자량이 500∼10,000이며 Tg는 -10℃∼70℃인 아크릴 수지 1당량에 대하여, 블록 이소시아네이트 0.9∼1.5 당량과 반응성 실란기를 함유한 이소시아네이트를 아크릴 변성 폴리에스테르, 폴리카프로락탐 또는 폴리카보네이트와 결합하여 제조된 20∼70%로 구성된 도료용 열경화성 수지 조성물.A resin obtained by solution polymerization of an acrylic monomer containing a carboxyl group, a hydroxyl group and an amino group, having an acid value of 5 to 30 mgKOH / g, a hydroxyl value of 50 to 170 mgKOH / g, a number average molecular weight of 500 to 10,000, and a Tg of -10. For paints composed of 20 to 70% prepared by combining isocyanate containing 0.9 to 1.5 equivalents of a block isocyanate and reactive silane groups with an acrylic modified polyester, polycaprolactam or polycarbonate with respect to 1 equivalent of acrylic resin having a temperature of 70 ° C to 70 ° C. Thermosetting resin composition. 제1항에 있어서, 아크릴 수지가 반응성 모노머, 일반식(1),(2)로 표시되는 아크릴 모노버로 이루어지는 것을 특징으로 하는 도료용 열경화성 수지 조성물.2. The thermosetting resin composition for coating according to claim 1, wherein the acrylic resin is composed of a reactive monomer and an acrylic monomer represented by the general formulas (1) and (2). R1 R 1 ││ CH2= C ─COOR2(1)CH 2 = C ─COOR 2 (1) 여기서 R1은 수소원자나 메틸기이고, R2는 탄소원자수가 1∼14인 알킬 그룹 중 하나이다.R 1 is a hydrogen atom or a methyl group, and R 2 is one of alkyl groups having 1 to 14 carbon atoms. 〈R - CH = CH2〉 (2)<R-CH = CH 2 > (2) 여기서 R은 방향족 비닐 화합물이다.Where R is an aromatic vinyl compound. 제2항에 있어서, 일반식(1)로 표시되는 아크릴모노머는 메틸(메타) 아크릴레이트, 에틸(메타) 아크릴레이트, 프로필(메타) 아크릴레이트, N-뷰틸(메타) 아크릴레이트, 이소뷰틸(메타) 아크릴레이트, T-뷰틸(메타) 아크릴레이트, 2-메틸헥실(메타) 아크릴레이트, 라우릴(메타) 아크릴레이트, 시클로헥실(메타) 아크릴레이트, 셀로솔브(메타) 아크릴레이트를 단독 또는 혼합하여 사용하는 것을 특징으로 하는 도료용 열경화성 수지 조성물.The acryl monomer represented by the general formula (1) is methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, N-butyl (meth) acrylate, isobutyl ( Meta) acrylate, T-butyl (meth) acrylate, 2-methylhexyl (meth) acrylate, lauryl (meth) acrylate, cyclohexyl (meth) acrylate, cellosolve (meth) acrylate alone or It is mixed and used, The thermosetting resin composition for coatings characterized by the above-mentioned. 제1항에 있어서, 일반식(2)로 표시되는 아크릴모노머는 스타이렌, α-메틸스타이렌, 벤질(메타) 아크릴레이트, 페닐(메타) 아크릴레이트, 비닐 톨루엔을 단독 또는 혼합하여 사용하는 것을 특징으로 하는 도료용 열경화성 수지 조성물.The acryl monomer represented by the general formula (2) according to claim 1, wherein styrene, α-methyl styrene, benzyl (meth) acrylate, phenyl (meth) acrylate, vinyl toluene are used alone or in combination. The thermosetting resin composition for coatings characterized by the above-mentioned. 제2항에 있어서, 반응성 모노머는 하이드록실에틸(메타)아크릴레이트, 하이드록시 프로필(메타) 아크릴레이트, 하이드록시뷰틸아크레이트, 폴리에틸렌글리콜모노메틸아크릴레이트, 폴리프로필렌글리콜모노(메타)아크릴레이트, (메타)아크릴산, 크로토닉산, 이타코닉산, 퓨마르산 말렉익산, 디메틸아미노에틸메타이크리레이트, 디에틸아미노에틸메타이크리레이트, T-부틸아미노에틸-아크릴레이트로부터 선택되는 것을 특징으로 하는 도료용 열경화성 수지 조성물.The method of claim 2, wherein the reactive monomer is hydroxylethyl (meth) acrylate, hydroxy propyl (meth) acrylate, hydroxybutyl acrylate, polyethylene glycol monomethyl acrylate, polypropylene glycol mono (meth) acrylate, (Meth) acrylic acid, crotonic acid, itaconic acid, fumaric acid maleic acid, dimethylaminoethyl methacrylate, diethylaminoethyl methacrylate, T-butylaminoethyl-acrylate Thermosetting resin composition. 제2항에 있어서, 아크릴 수지가 일반식(1)로 표시되는 아크릴 모노머 20-70중량%, 일반식(2)로 표시되는 아크릴 모노머 10-40중량% 및 반응성 모노머 5-40중량%로 이루어지는 것을 특징으로 하는 도료용 열경화성 수지 조성물.The acrylic resin according to claim 2, wherein the acrylic resin consists of 20-70% by weight of the acrylic monomer represented by the general formula (1), 10-40% by weight of the acrylic monomer represented by the general formula (2), and 5-40% by weight of the reactive monomer. Thermosetting resin composition for coatings characterized by the above-mentioned. 제1항에 있어서, 아크릴 변성 폴리에스테르는 다음의 구조식으로 표시되는 것임을 특징으로 하는 도료용 열경화성 수지 조성물.The thermosetting resin composition for coating according to claim 1, wherein the acrylic modified polyester is represented by the following structural formula. (상기식에서)(Wherein) (1) R1은 탄소수가 2∼20인 1종 이상의 하이드록실 그룹 또는 이에 상당하는 그룹을 적어도 2개 이상 포함하는 다가 또는 유사 다가 알콜류.(1) R 1 is a polyhydric or pseudo-polyhydric alcohol containing at least two or more hydroxyl groups having 2 to 20 carbon atoms or equivalent groups. (2) R2, R3는 탄소수가 3∼30인 카르복실산 또는 이에 상당하는 산무수물로서 카르복실기 및 유사 카르복실기가 2개 이상인 다가산 또는 산무수물.(2) R <2> , R <3> is C3-C30 carboxylic acid or equivalent acid anhydride, The polyhydric acid or acid anhydride which has two or more carboxyl groups and similar carboxyl groups. (3) n은 1∼20개, 바람직하기로는 10개 이하.(3) n is 1-20 pieces, Preferably it is 10 or less pieces. (4) 상기 (1),(2)항에서 형성된 골격에 에틸렌 그룹이나 아크릴 중합이 가능한 그룹이 1∼20개 존재할 수 있으며, 바람직하게는 10개 이하인 존재.)(4) 1 to 20 ethylene groups or acrylic polymerizable groups may be present in the skeleton formed in (1) and (2), and preferably 10 or less.) (5) (4)항의 아크릴 중합이 가능하도록 상기 R1,R2및 R3중에 하나 이상인 아크릴임.(5) Acrylic is at least one of R 1 , R 2 and R 3 to enable acrylic polymerization of (4). 제1항에 있어서, 블록이소시아네이트 수지는 지방족 이소시아네이트를 블록킹제로 마스킹하여 용액중합한 것임을 특징으로 하는 도료용 열경화성 수지 조성물.The thermosetting resin composition for coating according to claim 1, wherein the block isocyanate resin is a solution polymerized by masking aliphatic isocyanate with a blocking agent. 제7항에 있어서, 블록킹제가 말로네이트인 것을 특징으로 하는 도료용 열경화성 수지 조성물.8. The thermosetting resin composition for coating according to claim 7, wherein the blocking agent is malonate. 제1항 내지 제8항의 열경화성 수지 조성물과 안료, 자외선 흡수제, 안정제 및 첨가제로 이루어진 자동차 클리어 코팅용 도료.A paint for automobile clear coating comprising the thermosetting resin composition of claim 1 and a pigment, an ultraviolet absorber, a stabilizer and an additive.
KR1019950068617A 1995-12-30 1995-12-30 Thermosetting resin composition for paints KR100421561B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020081653A (en) * 2001-04-20 2002-10-30 박홍수 High solid acrylic resins, preparing method thereof and high solid coatings containing the same
KR100615970B1 (en) * 1998-12-30 2008-11-12 주식회사 케이씨씨 Acrylic resin composition for transparent paint

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5696823B1 (en) * 2013-09-30 2015-04-08 Dic株式会社 Polycarbonate-modified acrylic resin, paint and plastic molded product painted with the paint
KR102599546B1 (en) * 2021-04-14 2023-11-07 주식회사 케이씨씨 Acrylic composition for electro-deposition coating

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5453137A (en) * 1977-10-05 1979-04-26 Yokohama Rubber Co Ltd Inorganic hardenable compositon
JP2671006B2 (en) * 1988-04-14 1997-10-29 日本カーバイド工業株式会社 Resin composition for top coating of cured coating
JPH04320468A (en) * 1991-04-19 1992-11-11 Mitsui Toatsu Chem Inc Base coating resin composition
KR0127783B1 (en) * 1994-06-03 1997-12-26 김충세 Composition for 1-component automobile paint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100615970B1 (en) * 1998-12-30 2008-11-12 주식회사 케이씨씨 Acrylic resin composition for transparent paint
KR20020081653A (en) * 2001-04-20 2002-10-30 박홍수 High solid acrylic resins, preparing method thereof and high solid coatings containing the same

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