KR940003984A

KR940003984A - Soft polycarbonate resin

Info

Publication number: KR940003984A
Application number: KR1019930016087A
Authority: KR
Inventors: 하루오 와타나베; 쓰요시 사토
Original assignee: 후루카와 도요히코; 호도가야카가쿠코교 가부시키가이샤
Priority date: 1992-08-21
Filing date: 1993-08-19
Publication date: 1994-03-14

Abstract

본 발명은 다음 일반식(Ⅰ)의 연질 폴리카보네이트 수지에 관한 것이다The present invention relates to a flexible polycarbonate resin of the following general formula (I)

상기식에서, A는 필수적으로 다음 일반식(Ⅱ)의 구조 단위와 다음 일반식 (Ⅲ)의 구조 단위Wherein A is essentially a structural unit of the following general formula (II) and a structural unit of the following general formula (III)

〔여기에서, R₁및 R₂중의 하나는 수소원자이고, 다른 하나는 메틸 그룹 이다)로 이루어진 폴리에테르 블럭이며, B는 다음 일반식 (Ⅳ)의 카보네이트 올리고머 블럭[Wherein one of R ₁ and R ₂ is a hydrogen atom, the other is a methyl group) and B is a carbonate oligomer block of the following general formula (IV)

(Ⅳ) (Ⅳ)

〔여기에서, X는-0-, -S-, -S0₂- , -SO- 및로 이루어진 그룹중에서 선택된 하나 이상의 연결 그룹이고, R₃및 R₄는 각각 수소원자 및 탄소수 1 내지 6의 탄화수소 그룹 중의 적어도 하나이며, Y₁및 Y₂는 각각 수소원자, 할로겐 원자 및 탄소수 1 내지 6의 탄화수소 그룹 중의 적어도 하나이고, m 및 n은 각각 0또는 1내지 4의 정수이며, M은1 내지 10의 정수이다〕 이고, L은 7내지 30의 정수인데, 당해 폴리에테르블럭 A는 폴리카보네이트 수지를 기준으로 하여 20 내지 50중량%의 비율로 존재하고 수평균분자량이 500 내지 3,000이며, 일반식(Ⅲ)의 구조 단위는 폴리에테르 블럭 A를 기준으로 하여 5내지 35중량%의 비율로 존재한다.[Where X is -0-, -S-, -S0 _2- , -SO- and At least one linking group selected from the group consisting of R ₃ and R ₄ are each at least one of a hydrogen atom and a hydrocarbon group having 1 to 6 carbon atoms, and Y ₁ and Y ₂ are each a hydrogen atom, a halogen atom and 1 to 6 carbon atoms, respectively. At least one of the hydrocarbon groups of m, n and n are each an integer of 0 or 1 to 4, M is an integer of 1 to 10], L is an integer of 7 to 30, wherein the polyether block A is a polycarbonate It exists in the ratio of 20-50 weight% based on resin, and the number average molecular weight is 500-3,000, and the structural unit of general formula (III) exists in the ratio of 5 to 35 weight% based on polyether block A. do.

Description

Soft polycarbonate resin

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

Claims

Soft polycarbonate resin of the general formula (I)

Wherein A is essentially a structural unit of the following general formula (II)

[Wherein one of R ₁ and R ₂ is a hydrogen atom and the other is a methyl group] and B is a carbonate oligomer block of Daum general formula (IV)

[Where X is . -0-, -S-, -S0 _2- , -S0- and At least one linking group selected from the group consisting of R ₃ and R ₄ , each is at least one of a hydrogen atom and a hydrocarbon group having 1 to 6 carbon atoms, and Y ₁ and Y ₂ are each a hydrogen atom, a halogen atom and 1 to C carbon atoms, respectively. At least one of the hydrocarbon groups of 6, m and n are each 0 or an integer of 1 to 4, M is an integer of 1 to 10], and L is an integer of 7 to 30, wherein the polyether block A is poly It exists in the ratio of 20-50 weight% based on a carbonate resin, and has a number average molecular weight 500-3,000. The structural unit of general formula (III) exists in the ratio of 5 to 35 weight% based on polyether block A.

The flexible polycarbonate resin according to claim 1, wherein L is 10 to 20.

The flexible polycarbonate resin according to claim 1, wherein the ratio of the polyether block A is 35 to 50% by weight based on the polycarbonate resin.

The soft polycarbonate resin according to claim 1, wherein the ratio of the structural units of the general formula (III) is 8 to 20% by weight based on the polyether block A.

The flexible polycarbonate resin according to claim 1, wherein the polyether block A has a number average molecular weight of 500 to 2,000.

The flexible polycarbonate resin according to claim 1, wherein M is 2 to 10.

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