IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0078668
(1987-07-28)
|
우선권정보 |
DE-3629208 (1986-08-28) |
발명자
/ 주소 |
- Hisgen Bernd (Limburgerhof DEX) Kock Hans-Jakob (Ludwigshafen DEX) Portugall Michael (Wachenheim DEX) Seiler Erhard (Ludwigshafen DEX) Blinne Gerd (Bobenheim DEX)
|
출원인 / 주소 |
- BASF Aktiengesellschaft (Ludwigshafen DEX 03)
|
인용정보 |
피인용 횟수 :
11 인용 특허 :
1 |
초록
▼
Fully aromatic thermotropic polyesters based on (A) from 30 to 60 mol % of 4-hydroxybenzoic acid, (B) from 20 to 35 mol % of a mixture of (B1) terephthalic acid, (B2) isophthalic acid and (B3) from 0.5 to 5 mol % of a dicarboxylic acid of the general formula I [Figure] where X is -O-, -S-, -SO2-, -C
Fully aromatic thermotropic polyesters based on (A) from 30 to 60 mol % of 4-hydroxybenzoic acid, (B) from 20 to 35 mol % of a mixture of (B1) terephthalic acid, (B2) isophthalic acid and (B3) from 0.5 to 5 mol % of a dicarboxylic acid of the general formula I [Figure] where X is -O-, -S-, -SO2-, -CO-, -CH2-or -C(CH3)2-, n is 0 or 1 and the two imide nitrogen atoms are meta or para to X, or their C1-C8-alkyl, C1-C8-alkoxy, aryl, chlorine or bromine derivatives which are substituted in the nucleus, the molar ratio of B1 to B2 being from 1.04:1 to 19:1, and (C) from 20 to 35 mol % of a mixture of (C1) hydroquinone and (C2) 4,4′-dihydroxydiphenyl, the molar ratio of C1 to C2 being from 0.1:1 to 2.67:1 and the molar ratio of B to C being from 0.9:1 to 1.1:1.
대표청구항
▼
A fully aromatic thermotropic polyester produced (A) from 30 to 60 mol % of 4-hydroxybenzoic acid, (B) from 20 to 35 mol % of a mixture of (B1) terephthalic acid, (B2) isophthalic acid and (B3) from 0.5 to 5 mol % of a dicarboxylic acid of the formula I [Figure] where X is -O-, -S-, -SO2-, -CO-, -CH
A fully aromatic thermotropic polyester produced (A) from 30 to 60 mol % of 4-hydroxybenzoic acid, (B) from 20 to 35 mol % of a mixture of (B1) terephthalic acid, (B2) isophthalic acid and (B3) from 0.5 to 5 mol % of a dicarboxylic acid of the formula I [Figure] where X is -O-, -S-, -SO2-, -CO-, -CH2-or -C(CH3)2-, n is 0 or 1 and the two imide nitrogen atoms are meta or para to X, or its C1-C8-alkyl, C1-C8-alkoxy, aryl, chlorine or bromine derivatives which are substituted in the nucleus, the molar ratio of B1 to B2 being from 1.04:1 to 19:1, and (C) from 20 to 35 mol % of a mixture of (C1) hydroquinone and (C2) 4,4′-dihydroxydiphenyl, the molar ratio of C1 to C2 being from 0.1:1 to 2.67:1 and the molar ratio of B to C being from 0.9:1 to 1.1:1.
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