摘要:
A copolyester which comprises repeating units derived from an aliphatic glycol, terephthalic acid, and the monomer of formula (I):
wherein n = 2, 3 or 4, Z is C=O , and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester and is present in an amount of from about 5 mol% to about 15 mol% of the glycol fraction of the copolyester; wherein said copolyester is semi-crystalline.
摘要:
A film comprising a copolyester wherein said copolyester comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and a comonomer (M) selected from the group consisting of N,N '-bis-(2-hydroxyalkyl)-bicyclo-[2,2,2]-oct-7- ene-2,3,5,6-tetracarboxylic diimide(BODI)and 2-hydroxyalkyl-2-[p-(2- hydroxyethoxycarbonyl)phenyl]-1,3-dioxo-2H-isoindole-5-carboxylate (DOIC), wherein the number of carbon atoms is the 2-hydroxyalkyl group is 2, 3 or 4, and wherein comonomer (M) constitutes a proportion of the glycol fraction of the copolyester.
摘要:
A copolyester which comprises repeating units derived from an aliphatic glycol, terephthalic acid, and the monomer of formula (I): wherein n = 2, 3 or 4, Z is C=O , and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester and is present in an amount of from about 5 mol% to about 15 mol% of the glycol fraction of the copolyester; wherein said copolyester is semi-crystalline.
摘要:
An optionally oriented copolyester film comprising a copolyester which comprises repeating units derived from an aliphatic diol, an aromatic dicarboxylic acid and a poly(alkylene oxide), wherein the copolyester film further comprises lithium ions, and wherein the film has a thickness of no more than about 25µm. The copolyester film is suitable for use a separator in a lithium-ion rechargeable battery
摘要:
A copolyester comprising repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and the monomer of formula (I): (Formula (I)) wherein n = 2, 3or 4, and wherein comonomer (I) constitutes a proportion of the glycol fraction of the copolyester; and a film,fibre or moulding composition or moulded article comprising said copolyester.
摘要:
A film comprising a copolyester wherein said copolyester comprises repeating units derived from an aliphatic glycol, an aromatic dicarboxylic acid, and a comonomer (M) selected from the group consisting of N,N '-bis-(2-hydroxyalkyl)-bicyclo-[2,2,2]-oct-7-ene-2,3,5,6-tetracarboxylic diimide (BODI) and 2-hydroxyalkyl-2-[ p -(2-hydroxyethoxycarbonyl)phenyl]-1,3-dioxo-2H-isoindole-5-carboxylate (DOIC), wherein the number of carbon atoms is the 2-hydroxyalkyl group is 2, 3 or 4, and wherein comonomer (M) constitutes a proportion of the glycol fraction of the copolyester.