公开(公告)号：US20150307671A1

公开(公告)日：2015-10-29

申请号：US14441233

申请日：2013-11-08

Applicant: BASF SE

Inventor： Xin YANG ,  Jörg AUFFERMANN ,  Carsten SINKEL ,  Jerome LOHMANN ,  Robert LOOS ,  Gabriel SKUPIN ,  Andreas KÜNKEL ,  Lars BÖRGER

IPC: C08J5/18 ,  C08K3/26 ,  C08K3/34

CPC classification number: C08J5/18 ,  C08J2300/16 ,  C08J2367/02 ,  C08J2367/03 ,  C08J2467/02 ,  C08J2467/03 ,  C08J2467/04 ,  C08K3/013 ,  C08K3/26 ,  C08K3/34 ,  C08K2003/265 ,  C08L67/02 ,  C08L67/04

Abstract: The invention relates to a biodegradable polyester mixture comprising: i) 71 to 91 wt %, based on the total weight of components i and ii, of a polyester I constructed from: a-1) 40 to 70 wt %, based on the total weight of components a and b, of an aliphatic C9-C16 dicarboxylic acid or of a C9-C16 dicarboxylic acid derivative; b-1) 30 to 60 wt %, based on the total weight of components a and b, of terephthalic acid or of a terephthalic acid derivative; c-1) 98 to 100 wt %, based on the total weight of components a and b, of a C3-C6 diol; d-1) 0 to 2 wt %, based on the total weight of components a and b, of an at least trihydric alcohol; e-1) 0 to 2 wt %, based on the total weight of components a to e, of a chain extender, and ii) 9 to 29 wt %, based on the total weight of components i and ii, of a polyester II constructed from: a-2) 40 to 70 wt %, based on the total weight of components a and b, of an aliphatic C4-C6 dicarboxylic acid or of a C4-C6 dicarboxylic acid derivative; b-2) 30 to 60 wt %, based on the total weight of components a and b, of terephthalic acid or of a terephthalic acid derivative; c-2) 98 to 100 wt %, based on the total weight of components a and b, of a C3-C6 diol; d-2) 0 to 2 wt %, based on the total weight of components a and b, of an at least trihydric alcohol; e-2) 0 to 2 wt %, based on the total weight of components a to e, of a chain extender.

Abstract translation: 本发明涉及可生物降解的聚酯混合物，其包含：i）基于由以下组成的聚酯I的组分i和ii的总重量的71至91重量％：a-1）40至70重量％，基于总计 脂肪族C 9 -C 16二羧酸或C 9 -C 16二羧酸衍生物的组分a和b的重量; b-1）30至60重量％，基于对苯二甲酸或对苯二甲酸衍生物的组分a和b的总重量; c-1）基于C 3 -C 6二醇的组分a和b的总重量为98〜100重量％ d-1）0至2重量％，基于组分a和b的总重量至少三元醇; e-1）0至2重量％，基于增链剂组分a至e的总重量，和ii）基于聚酯II的组分i和ii的总重量9至29重量％ 由a-2构成）40至70重量％，基于组分a和b的脂族C 4 -C 6二羧酸或C 4 -C 6二羧酸衍生物的总重量; b-2）30至60重量％，基于对苯二甲酸或对苯二甲酸衍生物的组分a和b的总重量; c-2）基于C 3 -C 6二醇组分a和b的总重量的98至100重量％; d-2）0至2重量％，基于组分a和b的总重量至少三元醇; e-2）0至2重量％，基于增链剂组分a至e的总重量。