KR19990039958A - Paint compositions used to paint polypropylene resin molded articles - Google Patents

Paint compositions used to paint polypropylene resin molded articles Download PDF

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Publication number
KR19990039958A
KR19990039958A KR1019970060223A KR19970060223A KR19990039958A KR 19990039958 A KR19990039958 A KR 19990039958A KR 1019970060223 A KR1019970060223 A KR 1019970060223A KR 19970060223 A KR19970060223 A KR 19970060223A KR 19990039958 A KR19990039958 A KR 19990039958A
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South Korea
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resin solution
weight
paint
coating composition
polypropylene
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KR1019970060223A
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Korean (ko)
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KR100250826B1 (en
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이병진
오주언
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오주언
삼성화학공업 주식회사
정몽규
현대자동차 주식회사
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Priority to KR1019970060223A priority Critical patent/KR100250826B1/en
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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
    • C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/26—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment
    • C09D123/28—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—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 halogen; Compositions of derivatives of such polymers
    • C08L27/02—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 halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—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 halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • 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
    • C09D7/47—Levelling agents

Abstract

본 발명은 극성기가 도입된 폴리프로필렌 성형품을 도색처리하는데 사용될 수 있는 도료 조성물에 관한 것이다. 보다 상세하게는 극성기가 도입된 폴리올레핀계 변성수지 용액, 할로겐화된 폴리올레핀계 수지 용액, 아크릴계 공중합수지 용액 및 비닐계 공중합수지 용액에 각종 첨가제가 함유된 도료 조성물에 관한 것으로서, 본 발명의 조성물은 표면부착성이 나쁜 폴리프로필렌 수지 표면을 프라이머로 도포한 뒤 도장처리하는 기존의 기존의 도료 조성물에 비해 상품성을 향상시킬 수 있으며, 본 발명의 조성물을 이용하여 도장처리하는 방법은 공정단축 및 원가절감을 이룰 수 있어 본 발명의 도료 조성물은 폴리프로필렌 수지 성형품의 도장재로 유용하게 사용할 수 있다.The present invention relates to a coating composition that can be used to paint a polypropylene molded article introduced with a polar group. More specifically, the present invention relates to a coating composition containing various additives in a polyolefin-based modified resin solution, a halogenated polyolefin-based resin solution, an acrylic copolymer resin solution, and a vinyl copolymer resin solution having a polar group introduced therein. It is possible to improve the merchandise compared to the existing coating composition which is coated with a primer and then coated with a poor polypropylene resin surface, and the method of coating using the composition of the present invention will achieve a process shortening and cost reduction The coating composition of this invention can be usefully used as a coating material of a polypropylene resin molded article.

Description

폴리프로필렌 수지 성형품을 도색하는데 사용되는 도료 조성물Paint compositions used to paint polypropylene resin molded articles

본 발명은 극성기가 도입된 폴리프로필렌 수지 성형품을 도색처리하는데 사용될 수 있는 도료 조성물에 관한 것이다. 보다 상세하게는 극성기가 도입된 폴리올레핀계 변성수지 용액, 할로겐화된 폴리올레핀계 수지 용액, 아크릴계 공중합수지 용액 및 비닐계 공중합수지 용액에 각종 첨가제가 함유된 도료 조성물에 관한 것이다.The present invention relates to a coating composition that can be used to paint a polypropylene resin molded article having a polar group introduced therein. More specifically, the present invention relates to a coating composition containing various additives in a polyolefin-based modified resin solution, a halogenated polyolefin-based resin solution, an acrylic copolymer resin solution, and a vinyl copolymer resin solution having a polar group introduced therein.

플라스틱 소재 중에서 폴리프로필렌(이하, PP라 약칭한다)은 단량체인 프로필렌을 부가중합, 촉매중합 또는 이온중합 등을 통하여 합성되는 수지로서, 결정성이고 무극성이며, 비중이 0.90∼0.92이고, 물리적, 화학적 성질이 우수하여 각종 가정용품, 용기, 합성목재 또는 기계부품 등에 대량으로 사용되고 있다. 이른바 결정성 폴리올레핀 수지인 PP는 부착성이 나쁜 소재로 알려져 있다. 극성기가 도입되지 않은 PP 수지의 부착성을 증가시키기 위해서는 각종 표면처리를 하여 부착성을 향상시키거나, 염소계 PP, 염소계 폴리에틸렌 또는 환화고무 등으로 이루어진 프라이머를 도포하는 방법을 사용하였다.Among the plastic materials, polypropylene (hereinafter abbreviated as PP) is a resin which synthesizes propylene as a monomer through addition polymerization, catalytic polymerization or ion polymerization, and is crystalline, nonpolar, specific gravity is 0.90 to 0.92, and physical and chemical Due to its excellent properties, it is used in large quantities in various household items, containers, synthetic wood, or mechanical parts. PP, a so-called crystalline polyolefin resin, is known as a bad adhesive material. In order to increase the adhesion of the PP resin not introduced with a polar group, various surface treatments were used to improve the adhesion, or a method of applying a primer made of chlorine-based PP, chlorine-based polyethylene, or cyclized rubber was used.

이러한 PP 성형품의 도색은 먼저 트리클로로에탄(이하, TCE라 약칭한다)으로 PP 수지 표면에 잔존하는 먼지 또는 오일 등의 이물질을 탈지 처리하고, PP 표면을 에칭 처리하여 PP 수지의 표면 부착력을 상승시킨 다음 PP 수지와 페인트 간의 부착성을 증가시키기 위해 프라이머(primer)로 표면을 처리하고 페인트로 도색 처리하였다. 이 방법에서 PP 수지 표면을 탈지처리하고 에칭하는데 공해물질인 TCE를 사용하기 때문에 별도의 TCE 회수 및 처리공정이 요구되고, PP 수지와 페인트의 부착성을 향상시키기 위해서 에칭처리된 PP 수지 표면에 프라이머를 도장처리하는 과정만으로는 원하는 도막성능을 얻기가 어려워 프라이머로 중도 또는 상도도장을 한다음 도료를 이용하여 도장처리를 해야하기 때문에 결과적으로 PP 수지를 도색하기 위해서는 수회의 도장공정이 요구되어 전체 공정이 복잡해지고 생산원가도 상승하는 문제점이 발생된다.The coating of such a PP molded product is first trichloroethane (hereinafter abbreviated as TCE) to degreasing foreign matter such as dust or oil remaining on the surface of the PP resin and etching the PP surface to increase the surface adhesion of the PP resin. The surface was then treated with a primer and painted with paint to increase the adhesion between the PP resin and the paint. In this method, TCE, which is a pollutant for degreasing and etching the surface of PP resin, requires a separate TCE recovery and treatment process, and a primer is applied to the surface of the etched PP resin to improve adhesion between PP resin and paint. It is difficult to achieve the desired coating performance only by the coating process, so the intermediate or top coat is applied with a primer, and the coating process should be done using paint. Consequently, several painting processes are required to paint PP resin. It is complicated and the production cost rises.

또한, 이러한 극성기가 도입되지 않은 PP 수지에 단 한번의 도장으로 도료막을 부착시키기 위해서는 도료 조성물에 점착성이 있는 수지 성분이 다량으로 함유되어야 한다. 그러나, 점착성이 있는 수지 성분이 다량으로 함유된 도료는 외관이 나쁘고, 부착성을 확보하기 위해서 사용된 다량의 수지 성분들로 인하여 자동차 등 각종부품에서 요구되는 부착성, 내후성, 내약품성 및 내화학성 등의 물성이 저하되는 문제가 발생된다.In addition, in order to adhere the coating film to the PP resin to which such a polar group is not introduced in a single coating, a large amount of adhesive resin component should be contained in the coating composition. However, paints containing a large amount of sticky resin components have a bad appearance, and due to the large amount of resin components used to secure adhesion, adhesion, weather resistance, chemical resistance and chemical resistance required in various parts such as automobiles The problem that physical properties, such as a fall, arises.

이에 본 발명자들은 상기한 문제점들을 해결하고자 연구를 계속하여 오던 중, 극성기가 도입된 PP 수지에 대한 부착력이 우수한, 각종 합성수지 용액, 첨가제, 유기용제 및 안료로 구성된 도료 조성물을 개발하여 본 발명을 완성하였다.Accordingly, the present inventors have continued the research to solve the above problems, and developed a coating composition composed of various synthetic resin solutions, additives, organic solvents and pigments excellent in adhesion to the PP resin in which the polar group was introduced, thereby completing the present invention. It was.

본 발명의 목적은 극성기가 도입된 폴리프로필렌 수지 성형품을 도색하는데 사용되는 각종 합성수지 용액과 첨가제로 구성된 도료 조성물을 제공하는 것이다.It is an object of the present invention to provide a coating composition composed of various synthetic resin solutions and additives used to paint a polypropylene resin molded article having a polar group introduced therein.

상기와 같은 목적을 달성하기 위하여 본 발명에서는 극성기가 도입된 폴리올레핀계 변성수지 용액, 할로겐화된 폴리올레핀계 수지 용액, 아크릴계 공중합수지 용액 및 비닐계 공중합수지 용액에 각종 첨가제, 유기용제 및 안료를 함유하는 도료 조성물을 제공한다.In order to achieve the above object, in the present invention, a paint containing various additives, an organic solvent, and a pigment in a polyolefin-based modified resin solution, a halogenated polyolefin-based resin solution, an acrylic copolymer resin solution, and a vinyl copolymer resin solution having a polar group introduced therein To provide a composition.

이하, 본 발명을 상세히 설명하기로 한다.Hereinafter, the present invention will be described in detail.

본 발명의 조성물은 염소화 PP 또는 폴리에틸렌(이하, PE라 약칭한다) 변성 아크릴수지 용액 10∼60 중량%, 염소화도가 10∼60%인 염소화 PP 또는 PE 용액 10∼75 중량%, 아크릴-메틸메타크릴레이트 공중합수지 용액10∼40 중량%, 히드록시 비닐 공중합수지 용액 10∼30 중량%, 유기용제 10∼30 중량%, 실리콘 첨가제 1∼5 중량%, 왁스계 첨가제 1∼5 중량%, 실리카계 첨가제 1∼5 중량% 및 착색안료 10∼30 중량%로 구성된 도료 조성물이다.The composition of the present invention is 10 to 60% by weight of chlorinated PP or polyethylene (hereinafter abbreviated as PE) modified acrylic resin solution, 10 to 75% by weight of chlorinated PP or PE solution having 10 to 60% chlorination degree, acryl-methylmeth Acrylate copolymer resin solution 10-40 wt%, hydroxy vinyl copolymer resin solution 10-30 wt%, organic solvent 10-30 wt%, silicone additive 1-5 wt%, wax additive 1-5 wt%, silica type It is a coating composition comprised from 1 to 5 weight% of additives and 10 to 30 weight% of coloring pigments.

극성기가 도입된 PP 수지 성형품에 본 발명의 도료 조성물이 보다 효과적으로 부착되도록 하기 위해서 염소화 PP 수지 또는 PE 수지가 부가중합된 아크릴수지 용액과 염소화도가 10∼60%인 염소화 PP 수지 또는 염소화 PE 수지 용액이 사용된다.In order to more effectively adhere the coating composition of the present invention to a PP resin molded article having a polar group, an acrylic resin solution containing an additional polymerization of chlorinated PP resin or PE resin and a chlorinated PP resin or chlorinated PE resin solution having a chlorination degree of 10 to 60% This is used.

또한, 본 발명의 조성물에는 아크릴-메틸메타크릴레이트(MMA) 공중합수지 용액과 히드록시 비닐 공중합수지 용액이 사용되는데, 이는 아크릴-메틸메타크릴레이트 공중합수지의 카르복실기와 히드록시 비닐 공중합수지의 히드록시기가 PP에 도입된 극성기와 수소결합을 통하여 부착되게 하기 위해서이다.In addition, an acrylic-methyl methacrylate (MMA) copolymer resin solution and a hydroxy vinyl copolymer resin solution are used in the composition of the present invention, and the hydroxy group of the carboxyl group and the hydroxy vinyl copolymer resin of the acrylic-methyl methacrylate copolymer resin is used. This is to attach through the hydrogen bond with the polar group introduced into the PP.

본 발명에서는 테고 케미칼 서비스(TEGO CHEMICAL SERVICE) GMBH의 분산제 등과 같은 습윤분산제, 테고 케미칼 서비스(TEGO CHEMICAL SERVICE) GMBH의 폴리에테르가 변형된 폴리실록산(polyether modified polysiloxane) 등과 같은 레벨링제, 다킨사(DAKIN Ind., Co.)의 폴리플론 TFE 저 고분자(POLYFLON TFE low polymer) 등과 같은 내마모제, 그레이스 GMBH(GRACE GMBH)의 무정형 합성 실리카(synthetic amorphous silica) 등과 같은 소광제와 시아나미드(CYNAMID)의 UV 흡수제(UV absorb) 등과 같은 자외선 안정제가 각각 사용될 수 있다.In the present invention, wetting agents such as dispersing agents of TEGO CHEMICAL SERVICE GMBH and the like, leveling agents such as polyether modified polysiloxane of TEGO CHEMICAL SERVICE GMBH and the like, DAKIN Ind , Anti-wearing agents such as POLYFLON TFE low polymers, etc., matting agents such as GRESS GMBH's amorphous amorphous silica, and UV absorbers of CYNAMID. UV stabilizers such as (UV absorb) may be used respectively.

이하, 실시예에 의하여 본 발명의 도료 조성물에 관하여 상세히 설명한다. 단 이 실시예는 본 발명을 예시하는 것일 뿐 본 발명이 실시예에 의하여 한정되는 것은 아니다.Hereinafter, the coating composition of the present invention will be described in detail with reference to Examples. However, this embodiment is only to illustrate the present invention and the present invention is not limited by the embodiment.

〈제조얘〉 염소화 폴리올레핀 변성 아크릴 수지 용액의 제조.<Manufacturer> Production of chlorinated polyolefin modified acrylic resin solution.

교반기, 온도계, 냉각기 및 질소 가스 도입장치가 부착된 반응기에 35 중량%의 톨루엔을 충진시킨 후 질소가스를 주입시키면서 반응기를 110∼120℃로 가열하고, 여기에 메틸메타크릴레이트 20 중량%, 부틸아크릴레이트 14 중량%, 2-히드록시메틸메타크릴레이트 5 중량% 및 메타크릴산 1 중량%와 개시제인 부틸벤조익퍼옥사이드 0.5 중량%가 용해된 용액을 약 3시간 동안 적하시킨다. 여기에 폴리올레핀 분말 5 중량%를 톨루엔 20 중량%에 용해시킨 용액을 투입하여 약 3시간 동안 유지시킨 다음 반응을 종결시켜 염소화도가 66%인 염소화 폴리올레핀 변성 아크릴 수지의 톨루엔 용액(농도: 55 중량%) 용액을 제조하였다.After filling 35% by weight of toluene in a reactor equipped with a stirrer, a thermometer, a cooler and a nitrogen gas introduction device, the reactor was heated to 110 to 120 ° C while injecting nitrogen gas, and 20% by weight of methyl methacrylate and butyl A solution in which 14% by weight of acrylate, 5% by weight of 2-hydroxymethylmethacrylate and 1% by weight of methacrylic acid and 0.5% by weight of the initiator butylbenzoperoxide was dissolved was added dropwise for about 3 hours. Toluene solution of a chlorinated polyolefin-modified acrylic resin having a chlorination degree of 66% by adding a solution in which 5% by weight of polyolefin powder was dissolved in 20% by weight of toluene was maintained for about 3 hours. ) Solution was prepared.

〈실시예 1 내지 7〉도료 조성물의 제조<Examples 1 to 7> Preparation of the coating composition

상기 제조예에서 제조된 염소화 폴리올레핀 변성 아크릴 수지 용액에 안료, 분산제 및 용제를 혼합한 뒤 분산기에서 분산시켜 첨가된 안료의 입도가 5㎛ 이하가 되게 한 다음 하기 표 1에 나타낸 각 성분을 첨가하여 도료 조성물을 제조하였다.After mixing the pigment, dispersant and solvent in the chlorinated polyolefin-modified acrylic resin solution prepared in the above Preparation Example and dispersing in a disperser so that the particle size of the added pigment is 5㎛ or less, and then add each component shown in Table 1 below The composition was prepared.

본 발명에서는 염소화 폴리프로필렌 수지 용액으로는 염소화도가 25%인 염소화 폴리프로필렌 수지의 30% 톨루엔 용액을, 염소화 폴리에틸렌 수지 용액으로는 염소화도가 66%인 염소화 폴리에틸렌 수지의 40% 톨루엔 용액을, 염소화 폴리올레핀 변성 아크릴 수지 용액으로는 염소화도가 66%인 염소화 폴리올레핀 변성 아크릴 수지의 55% 톨루엔 용액, 니트로셀룰로오스 수지 용액으로는 니트로화도가 11.7∼12.2%인 니트로셀룰로오스 수지의 20% 혼합용제 용액을, 염화비닐-비닐아세테이트 공중합수지(이하, "VC-VA copolymer"라 약칭한다) 용액으로는 염화비닐(70∼87%)과 비닐아세테이트(13∼30%)가 공중합된 하이드록시 비닐 공중합체의 30% 혼합용제 용액을, 그리고 아크릴수지 용액으로는 메틸메타크릴레이트 공중합수지의 50% 톨루엔 용액을 사용하였으며, 습윤분산제로는 테고 케미칼 서비스(TEGO CHEMICAL SERVICE) GMBH의 분산제, 내마모제로는 다킨사(DAKIN Ind., Co.)의 폴리플론 TFE 저 고분자(POLYFLON TFE low polymer), 소광제로는 그레이스 GMBH(GRACE GMBH)의 무정형 합성 실리카(synthetic amorphous silica), 레벨링제로는 테고 케미칼 서비스(TEGO CHEMICAL SERVICE) GMBH의 폴리에테르가 변형된 폴리실록산(polyether modified polysiloxane)과 자외선 안정제로는 시아나미드(CYNAMID)의 UV 흡수제(UV absorb)를 각각 사용하였다.In the present invention, the chlorinated polypropylene resin solution is chlorinated with a 30% toluene solution of 25% chlorinated polypropylene resin, and the chlorinated polyethylene resin solution is a 40% toluene solution of chlorinated polyethylene resin with 66% chlorination. A 55% toluene solution of chlorinated polyolefin-modified acrylic resin having 66% chlorination degree as the polyolefin-modified acrylic resin solution, and a 20% mixed solvent solution of nitrocellulose resin having 11.7-12.2% nitration as chloride solution The vinyl-vinylacetate copolymer resin (hereinafter, abbreviated as "VC-VA copolymer") solution is 30% of a hydroxy vinyl copolymer copolymerized with vinyl chloride (70 to 87%) and vinyl acetate (13 to 30%). A mixed solvent solution and a 50% toluene solution of methyl methacrylate copolymer resin were used as the acrylic resin solution. Amorphous by TEGO CHEMICAL SERVICE GMBH as a dispersant, POLYFLON TFE low polymer by DAKIN Ind., Co. as a wear resistant agent, and GRACE GMBH as a matting agent. Synthetic amorphous silica, polyether modified polysiloxane of TEGO CHEMICAL SERVICE GMBH as a leveling agent and UV absorber of CYNAMID as a UV stabilizer Were used respectively.

실시예 1Example 1 실시예 2Example 2 실시예 3Example 3 실시예 4Example 4 실시예 5Example 5 실시예 6Example 6 실시예 7Example 7 염소화 PP 수지 용액Chlorinated PP Resin Solution 2020 2020 2020 2020 2020 2020 2323 염소화 PE 수지 용액Chlorinated PE Resin Solution -- 1010 -- -- -- -- -- 염소화 폴리올레핀 변성아크릴 수지 용액Chlorinated Polyolefin Modified Acrylic Resin Solution -- -- -- 2222 2222 2222 2222 니트로셀룰로오스 수지 용액Nitrocellulose Resin Solution 1010 -- -- -- -- -- -- VC-VA copolymer 용액VC-VA copolymer solution -- -- 1010 -- 1010 55 77 아크릴 수지 용액Acrylic resin solution 3535 3535 3535 3535 2020 2525 2020 안료Pigment 55 55 55 55 55 55 55

습윤 분산제Wet Dispersant 1One 1One 1One 1One 1One 1One 1One 내마모제Abrasion resistant 1One 1One 1One 1One 1One 1One 1One 소광제Matting agent 33 33 33 33 33 33 33 레벨링제Leveling agent 0.50.5 0.50.5 0.50.5 0.50.5 0.50.5 0.50.5 0.50.5 자외선 안정제UV stabilizer 22 22 22 22 22 22 22 톨루엔toluene 77 77 77 22 22 22 22 크실렌xylene 55 55 55 33 33 33 33 부틸 아세테이트Butyl acetate 5.55.5 5.55.5 5.55.5 5.55.5 5.55.5 5.55.5 5.55.5 셀로솔브 아세테이트Cellosolve acetate 55 55 55 55 55 55 55

또한, 본 발명에서는 상기한 실시예의 도료 조성물과 비교하기 위하여 하기의 조성으로 구성된 비교실시예의 도료 조성물을 제조하였다.In addition, in the present invention, in order to compare with the coating composition of the above-described embodiment was prepared a coating composition of the comparative example consisting of the following composition.

〈비교실시예 1 내지 3〉도료 조성물의 제조<Comparative Examples 1 to 3> Preparation of the coating composition

하기 표 2의 조성으로 구성된 도료 조성물을 상기한 실시예의 방법과 동일한 방법으로 제조하였다.To the coating composition composed of the composition of Table 2 was prepared in the same manner as in the above-described embodiment.

비교실시예 1Comparative Example 1 비교실시예 2Comparative Example 2 비교실시예 3Comparative Example 3 염소화 PP 수지 용액Chlorinated PP Resin Solution -- -- -- 염소화 PE 수지 용액Chlorinated PE Resin Solution -- 1010 1010 염소화 폴리올레핀 변성아크릴 수지 용액Chlorinated Polyolefin Modified Acrylic Resin Solution -- -- --

니트로셀룰로오스 수지 용액Nitrocellulose Resin Solution 1010 1010 -- VC-VA copolymer 용액VC-VA copolymer solution -- -- 1010 아크릴 수지 용액Acrylic resin solution 5555 4545 4545 안료Pigment 55 55 55 습윤 분산제Wet Dispersant 1One 1One 1One 내마모제Abrasion resistant 1One 1One 1One 소광제Matting agent 33 33 33 레벨링제Leveling agent 0.50.5 0.50.5 0.50.5 자외선 안정제UV stabilizer 22 22 22 톨루엔toluene 77 77 77 크실렌xylene 55 55 55 부틸 아세테이트Butyl acetate 5.55.5 5.55.5 5.55.5 셀로솔브 아세테이트Cellosolve acetate 55 55 55

한편, 상기 실시예 및 비교실시예에서 제조된 도료 조성물을 폴리프로필렌 판에 하기 표 3의 도장조건에 따라 도장하여 상온에서 최소한 72시간 동안 방치하여 건조시켰다. 이때 실시예의 도료 조성물은 폴리프로필렌 판에 프라이머를 도장하지 않고, 직접 본 발명의 도료 조성물을 도포한 뒤 건조시켰으며, 비교실시예의 도료조성물은 먼저 프라이머를 폴리프로필렌 판에 도장하여 상온에서 5분 동안 건조시킨 다음 비교실시예의 도료조성물을 도장하였다. 실시예 및 비교실시예의 도료 조성물이 도포된 폴리프로필렌 판은 다음과 같은 도장시험을 실시하였으며, 그 결과를 하기 표 4에 나타내었다.On the other hand, the coating composition prepared in Examples and Comparative Examples was coated on a polypropylene plate according to the coating conditions of Table 3 and left to dry for at least 72 hours at room temperature. At this time, the coating composition of the Example was applied directly to the coating composition of the present invention without coating the primer on the polypropylene plate, and dried. The coating composition of the Comparative Example was first coated on the polypropylene plate for 5 minutes at room temperature. After drying, the coating composition of the comparative example was coated. Polypropylene plate coated with the coating composition of the Example and Comparative Example was subjected to the following coating test, the results are shown in Table 4 below.

(1) 도막의 외관(1) Appearance of coating

도료 조성물이 도장된 폴리프로필렌 판을 육안으로 관찰하여 도막의 결함이 있는지를 측정하였다.The polypropylene plate coated with the coating composition was visually observed to determine whether the coating film was defective.

(2) 도막의 경도(2) hardness of coating film

1㎏의 하중으로 45°의 각도에서 B 연필을 사용하여 도막을 긁을 때 도막에 상처가 생기는지를 측정하였다.It was measured whether the coating film was scratched when the coating film was scratched using a B pencil at an angle of 45 ° with a load of 1 kg.

(3) 도막의 부착성(3) adhesion of coating film

도료가 도포된 폴리프로필렌 판을 가로 및 세로 2㎜의 간격으로 각각 100줄을 그은 후 여기에 테이프를 붙였다가 떼어낼 때 도막이 박리되는지를 측정하였다.The polypropylene plate coated with the paint was drawn 100 lines at intervals of 2 mm horizontally and vertically, and then the tape was attached and detached to determine whether the coating film was peeled off.

(4) 도막의 내충격성(4) impact resistance of coating film

20㎝의 높이에서 500g의 추를 낙하시킬 때 도막의 갈라짐이 발생되는지를 측정하였다.It was measured whether cracking of the coating film occurred when the weight of 500 g was dropped at a height of 20 cm.

(5)도막의 내가솔린 불식성(5) Inorange immortality of coating

무연가솔린을 적신 솜뭉치로 도료가 도포된 폴리프로필렌 판을 약간 강하게 손으로 8회 동안 왕복하여 닦을 때 광택저하 및 색이 현저하게 이행되는지를 측정하였다.It was measured whether the decrease in gloss and color were noticeable when the polypropylene plate coated with paint was stiffly swept 8 times by hand with a cotton ball soaked with lead-free gasoline.

(6) 도막의 왁스 불식성(6) wax incorrosion of coating film

왁스를 묻힌 솜뭉치로 도료가 도포된 폴리프로필렌 판을 약간 강하게 손으로 8회 동안 왕복하여 닦을 때 광택저하 및 색이 현저하게 이행되는지를 측정하였다.Wax-coated cotton balls were used to determine whether the gloss reduction and color shifted significantly when the paint-coated polypropylene plate was wiped back and forth slightly strongly by hand for eight times.

도장 조건Coating condition 소재의 탈지Degreasing of the material 용제 탈지Solvent degreasing 사용 희석제Used thinner 전용 희석제Dedicated thinner 희석 비율(도료: 희석제)Dilution Ratio (Paint: Thinner) 100/70∼110100/70-110 도장점도(포드컵 #4)Paint Viscosity (Ford Cup # 4) 13∼15초13-15 seconds 경화시간(setting time)Setting time 상온에서 5∼10분5 to 10 minutes at room temperature 건조 조건Dry condition 60℃에서 20분20 minutes at 60 ° C 건조 도막두께Dry film thickness 15㎛15 μm

실시예 1Example 1 실시예 2Example 2 실시예 3Example 3 실시예 4Example 4 실시예 5Example 5 실시예 6Example 6 실시예 7Example 7 도막의 외관Appearance of coating ◎* ◎ * ◎◎ ◎◎ ◎◎ ◎◎ ◎◎ ◎◎ 도막의 경도Hardness of coating ◎◎ ◎◎ ◎◎ ◎◎ ◎◎ ◎◎ ◎◎ 도막의 부착성Adhesion of coating ○# ○ # ◎◎ ○○ ◎◎ ◎◎ ◎◎ ○○ 도막의 내충격성Impact resistance of coating ◎◎ ◎◎ ◎◎ ◎◎ ◎◎ ◎◎ ◎◎ 도막의 내가솔린 불식성Isolate incoherence of the coating △** △ ** △△ △△ ○○ ○○ ○○ △△ 도막의 왁스 내불식성Wax corrosion resistance of coating ○○ ○○ ○○ ○○ ○○ ○○ ○○ * ◎: 극히 양호# ○: 양호** △: 보통* ◎: Extremely good # ○: Good ** △: Normal

비교실시예 1Comparative Example 1 비교실시예 2Comparative Example 2 비교실시예 3Comparative Example 3 도막의 외관Appearance of coating ◎* ◎ * ◎◎ ◎◎ 도막의 경도Hardness of coating ◎◎ ◎◎ ◎◎ 도막의 부착성Adhesion of coating ◎◎ ◎◎ ◎◎ 도막의 내충격성Impact resistance of coating ◎◎ ◎◎ ◎◎ 도막의 내가솔린 불식성Isolate incoherence of the coating ◎◎ ◎◎ ◎◎ 도막의 왁스 내불식성Wax corrosion resistance of coating ○# ○ # ○○ ○○ * ◎: 극히 양호# ○: 양호* ◎: Very good # ○: Good

이상에서 살펴본 바와 같이, 본 발명의 도료 조성물은 극성기가 도입된 PP 표면에 부착성이 우수하고, PP 수지 성형품의 상품성을 향상시킬 수 있으며, PP 표면을 TCE로 에칭하거나, 프라이머로 처리하는 공정이 불필요하여 환경친화적이고, 적은 도장비용으로 PP 수지 성형품에 도색할 수 있는 우수한 도료 조성물이다.As described above, the coating composition of the present invention has excellent adhesion to the PP surface into which the polar group is introduced, and can improve the commerciality of the PP resin molded article, and the process of etching the PP surface with TCE or treating with a primer It is an excellent coating composition which is unnecessary, environmentally friendly, and which can be painted onto a PP resin molded article at a low coating cost.

Claims (6)

극성기가 도입된 폴리올레핀계 변성수지 용액 10∼60 중량%, 할로겐화된 폴리올레핀계 수지 용액 10∼75 중량%, 아크릴계 공중합수지 용액 10∼40 중량% 및 히드록시 비닐 공중합수지 용액 10∼30 중량%에 각종 첨가제가 함유된 폴리프로필렌 수지 성형품을 도색하는데 사용되는 도료 조성물.10 to 60% by weight of polyolefin-based modified resin solution with polar group introduced, 10 to 75% by weight of halogenated polyolefin resin solution, 10 to 40% by weight of acrylic copolymer resin solution and 10 to 30% by weight of hydroxy vinyl copolymer resin solution A coating composition used to paint a polypropylene resin molded article containing additives. 제 1항에 있어서, 극성기가 도입된 폴리올레핀계 변성수지 용액으로 염소화 폴리프로필렌 또는 폴리에틸렌이 부가중합된, 염소화도가 10∼70%인 염소화 폴리올레핀 변성아크릴수지 용액이사용되는 것을 특징으로 하는 폴리프로필렌 수지 성형품을 도색하는데 사용되는 도료 조성물.The polypropylene resin according to claim 1, wherein a chlorinated polyolefin-modified acrylic resin solution having a chlorination degree of 10 to 70% by addition of chlorinated polypropylene or polyethylene is used as the polyolefin-based modified resin solution having a polar group introduced therein. Paint compositions used to paint molded articles. 제 1항에 있어서, 할로겐화된 폴리올레핀계 수지 용액으로 염소화도가 10∼70%인 염소화 폴리프로필렌 또는 폴리에틸렌 수지 용액이 사용되는 것을 특징으로 하는 폴리프로필렌 수지 성형품을 도색하는데 사용되는 도료 조성물.2. The coating composition according to claim 1, wherein a chlorinated polypropylene or polyethylene resin solution having a chlorination degree of 10 to 70% is used as the halogenated polyolefin resin solution. 제 1항에 있어서, 아크릴계 공중합수지 용액으로 아크릴-메틸메타크릴레이트 공중합수지 용액이 사용되는 것을 특징으로 하는 폴리프로필렌 수지 성형품을 도색하는데 사용되는 도료 조성물.The coating composition according to claim 1, wherein an acrylic-methyl methacrylate copolymer resin solution is used as the acrylic copolymer resin solution. 제 1항에 있어서, 히드록시 비닐 공중합수지 용액으로 염화비닐(중합체 내의 염화비닐 단량체의 함량: 70∼87%)-비닐아세테이트(중합체 내의 비닐아세테이트 단량체의 함량: 13∼30%) 공중합수지 용액이 사용되는 것을 특징으로 하는 폴리프로필렌 수지 성형품을 도색하는데 사용되는 도료 조성물.The hydroxy vinyl copolymer resin solution according to claim 1, wherein the vinyl chloride (content of vinyl chloride monomer in the polymer: 70-87%)-vinylacetate (content of vinyl acetate monomer in the polymer: 13-30%) is a copolymer resin solution. A coating composition used to paint a polypropylene resin molded article, which is used. 제 1항에 있어서, 첨가제로 유기용제 10∼30 중량%, 실리콘계 레벨링제 1∼5 중량%, 왁스계 내마모제 1∼5 중량%, 실리카계 소광제 1∼5 중량%, 자외선 안정제1∼5 중량% 및 착색 안료 10∼30 중량%가 사용되는 것을 특징으로 하는 폴리프로필렌 수지 성형품을 도색하는데 사용되는 도료 조성물.The additive according to claim 1, wherein the additive is 10 to 30% by weight of an organic solvent, 1 to 5% by weight of a silicone leveling agent, 1 to 5% by weight of a wax-based antiwear agent, 1 to 5% by weight of a silica matting agent, and 1 to 5% by weight of an ultraviolet light stabilizer. % And 10 to 30% by weight of colored pigments, the coating composition used to paint a polypropylene resin molded article.
KR1019970060223A 1997-11-15 1997-11-15 Paint composition for coating molding product of polypropylene resin KR100250826B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100675422B1 (en) * 2000-12-28 2007-01-29 주식회사 케이씨씨 Coating composition for plastics
KR20210047526A (en) * 2019-10-22 2021-04-30 현대자동차주식회사 Solvent-based coating composition with improved coating adhesion and chemical resistance
CN116218304A (en) * 2023-03-01 2023-06-06 江苏四方威凯科技有限公司 Coating for super-matched chlorinated polypropylene various PP (Polypropylene) coated substrates and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100675422B1 (en) * 2000-12-28 2007-01-29 주식회사 케이씨씨 Coating composition for plastics
KR20210047526A (en) * 2019-10-22 2021-04-30 현대자동차주식회사 Solvent-based coating composition with improved coating adhesion and chemical resistance
CN116218304A (en) * 2023-03-01 2023-06-06 江苏四方威凯科技有限公司 Coating for super-matched chlorinated polypropylene various PP (Polypropylene) coated substrates and preparation method thereof

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