KR940014467A

KR940014467A - Acrylic resin for anticorrosive paint and method of manufacturing same

Info

Publication number: KR940014467A
Application number: KR1019920027230A
Authority: KR
Inventors: 김세경; 유창준; 양희찬
Original assignee: 김충세; 고려화학 주식회사
Priority date: 1992-12-31
Filing date: 1992-12-31
Publication date: 1994-07-18

Abstract

본 발명은 방청성, 내수성 및 내약품성등이 우수할 뿐만 아니라 특히 내충격성과 내후성이 우수하며 방청안료에 대한 분산성이 우수하여 철구조물등에 도장시 뛰어난 내구력과 방식능력으로 장기물성을 발휘할 수 있는 하기 일반식의 반복단위로 구성된 방식용 아크릴수지 및 이를 제조하는 방법을 관한 것이다.The present invention is not only excellent in rust resistance, water resistance and chemical resistance, but also excellent in impact resistance and weather resistance, and excellent in dispersibility for rust preventive pigments. It relates to an acrylic resin for anticorrosion composed of a repeating unit of the formula and a method of manufacturing the same.

여기에서 R₁은 수소 또는 메틸기이고, R₂는 수소 또는 탄소수 1~20의 알킬기 또는 아릴기로서 주기율표 상의 V족, VI족 또는 VII족의 비금속원소를 치환기등으로 포함할 수 있으며, R₃은 음이온중합으로 얻어지는 수평균중합도 1~50의 중합체이며, R₄는 수소 또는 탄소수 1~20의 알킬기, 알킬옥시, 아릴옥시 또는 아릴로일옥시, 아릴로 일옥시 또는 아릴기로서 주기율표상의 V족, VI족 또는 VII족의 비금속원소를 치환기등으로 포함할 수 있으며, x,y,z는 각 단량체에 대한 공중합비로서 각각 0~1의 수이다.Here, R ₁ is hydrogen or methyl, R ₂ is hydrogen or an alkyl or aryl group having 1 to 20 carbon atoms and may include a nonmetallic element of Group V, VI or VII on the periodic table as a substituent, and R ₃ is a polymer of a number average polymerization degree of 1 to 50 obtained by anionic polymerization, R ₄ is V on the periodic table group as yloxy, or an aryl group as yloxy, aryl represents a hydrogen or a 1 to 20 carbon atoms, alkyloxy, aryloxy or aryl, A nonmetallic element of Group VI or Group VII may be included as a substituent, and x, y, and z are each a number of 0 to 1 as a copolymerization ratio for each monomer.

Description

Acrylic resin for anticorrosive paint and method of manufacturing same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본원발명에 사용된 장치의 개략도이다.1 is a schematic diagram of a device used in the present invention.

Claims

Acrylic resin for anticorrosive coating composed of repeating units of the general formula (I).

Here, R ₁ is hydrogen or a methyl group, R ₂ is hydrogen or an alkyl or aryl group having 1 to 20 carbon atoms and may include a nonmetallic element of Group V, VI, or VII on the periodic table as a substituent, and R ₃ Is a polymer having a number average polymerization degree of 1 to 50 obtained by anionic polymerization, and R ₄ is hydrogen or an alkyl group having 1 to 20 carbon atoms, alkyloxy, aryloxy or alkyloyloxy, aryloxy or aryl group, which is represented by V on the periodic table. Non-metallic elements of Group, Group VI, or Group VII may be included as a substituent, and x, y, and z are each 0 to 1 as a copolymerization ratio for each monomer.

The acrylic resin for anticorrosive coating according to claim 1, wherein the number average molecular weight of the acrylic resin is 10,000 to 200,000.

The compound of claim 1, wherein R ₃ is

In the transplant, R ₁ and R ₂ are as described above, and R ₅ is hydrogen or an alkyl or aryl group having 1 to 20 carbon atoms, and may include a nonmetallic element of Group V, VI, or VII on the periodic table as a substituent. P, q is an acrylic resin for anticorrosive coating, characterized in that an integer of 1 to 50 as a copolymerization ratio for each monomer.

One or two or more compounds of component A represented by the following general formula (I-1), one or two or more compounds of component B represented by the following general formula (I-2), and a component represented by general formula (I-3) A method for producing an acrylic resin for an anticorrosive coating composed of repeating units of the following general formula (I) characterized by radical copolymerization with one or two or more compounds of C.

In this formula, R ₁ is hydrogen or a methyl group, R ₂ is hydrogen or an alkyl or aryl group having 1 to 20 carbon atoms, and may include a nonmetallic element of Group V, VI, or VII on the periodic table as a substituent, and R ₃ is a polymer having a number average degree of polymerization of 1 to 50 obtained by anionic polymerization,

In the transplant, R ₁ and R ₂ are as described above, and R ₅ is hydrogen or an alkyl or aryl group having 1 to 20 carbon atoms, and may include a nonmetallic element of Group V, VI, or VII on the periodic table as a substituent. In addition, p, q is an integer of 1-50 as a copolymerization ratio with respect to each monomer. In addition, R ₄ is hydrogen, an alkyl group having 1 to 20 carbon atoms, alkyloxy, aryloxy or alkyloyloxy, arylloyloxy or aryl group, and includes a nonmetallic element of Group V, VI or VII on the periodic table as a substituent. X, y, z is the number of 0-1 as a copolymerization ratio with respect to each monomer, respectively.

Wherein R ₁ and R ₂ are as described above.

Wherein R ₁ and R ₃ are as described above.

Wherein R ₁ and R ₄ are as described above.

The method of claim 4, wherein the component A is used in an amount of 30 to 80 parts by weight based on 100 parts by weight of the copolymer.

The method of claim 4, wherein the component B is used 5 to 40 parts by weight based on 100 parts by weight of the copolymer.

The method for producing an acrylic resin for anticorrosive coating according to claim 4, wherein the component C is used in an amount of 10 to 60 parts by weight based on 100 parts by weight of the copolymer.

The method for producing an acrylic resin for anticorrosive coating according to claim 4, wherein the polydispersity of the component B is 1.0 to 1.5.

The method of claim 4, wherein the component B is an anionic polymer having a number average degree of polymerization of 1 to 50 containing an acrylate or methacrylate functional group at one end thereof.

Anticorrosive paint comprising the acrylic resin of claim 1 and the usual coating components.

※ Note: The disclosure is based on the initial application.