公开(公告)号：US20150218368A1

公开(公告)日：2015-08-06

申请号：US14422902

申请日：2013-08-16

Applicant: BASF SE

Inventor： Martin Bussmann ,  Uwe Witt ,  Jörg Kohl

IPC: C08L67/04 ,  B29C45/00

CPC classification number: C08L67/04 ,  B29C45/0001 ,  B29K2067/00 ,  B29K2505/00 ,  B29L2007/00 ,  C08K3/013 ,  C08K3/34 ,  C08L67/02 ,  C08L2205/02

Abstract: The present invention relates to biodegradable polymer mixtures comprising: A) from 15 to 50% by weight, based on components A and B, of a biodegradable, aliphatic-aromatic polyester with MFR (190° C./2.16 kg in accordance with ISO 1133) of from 40 to 150 g/10 min comprising: i) from 40 to 70 mol %, based on components i to ii, of one or more dicarboxylic acid derivatives or dicarboxylic acids selected from the group consisting of: succinic acid, adipic acid, sebacic acid, azelaic acid, and brassylic acid; ii) from 60 to 30 mol %, based on components i to ii, of a terephthalic acid derivative; iii) from 98 to 100 mol %, based on components i to ii, of a C2-C8-alkylenediol or C2-C6-oxyalkylenediol; iv) from 0 to 2% by weight, based on the total weight of components i to iii, of a chain extender and/or branching agent selected from the group consisting of: a di- or polyfunctional isocyanate, isocyanurate, oxazoline, epoxide, and carboxylic anhydride, and/or of an at least trihydric alcohol, or of an at least tribasic carboxylic acid; B) from 50 to 85% by weight, based on components A and B, of polylactic acid with MFR (190° C./2.16 kg in accordance with ASTM D1238) of from 5 to 50 g/10 min, C) from 0 to 40% by weight, based on the total weight of components A to D, of an organic filler, and D) from 0 to 3% by weight, based on the total weight of components A to D, of at least one stabilizer, nucleating agent, lubricant and release agent, surfactant, wax, antistatic agent, antifogging agent, dye, pigment, UV absorber, UV stabilizer, or other plastics additive; for producing thin-walled injection-molded components.

Abstract translation: 本发明涉及可生物降解的聚合物混合物，其包含：A）基于组分A和B的15至50重量％的可生物降解的脂族 - 芳族聚酯，MFR（190℃/ 2.16kg，根据ISO 1133 ）为40至150g / 10min，包括：i）基于组分i至ii的40至70mol％的一种或多种二羧酸衍生物或二羧酸，所述二羧酸衍生物或二羧酸选自：琥珀酸，己二酸 ，癸二酸，壬二酸和丁二酸; ii）基于组分i至ii的对苯二甲酸衍生物的60至30mol％; iii）基于组分i至ii的98至100摩尔％的C 2 -C 8亚烷基二醇或C 2 -C 6 - 氧化烯二醇; iv）0至2重量％，基于组分i至iii的总重量，扩链剂和/或支化剂选自：二官能或多官能异氰酸酯，异氰脲酸酯，恶唑啉，环氧化物， 和羧酸酐，和/或至少三元醇，或至少三元羧酸; B）50至85重量％，基于组分A和B的聚乳酸，MFR（190℃/ 2.16kg，根据ASTM D1238）为5至50g / 10min，C）为0 至40重量％，基于有机填料的组分A至D的总重量，以及D）基于组分A至D的至少一种稳定剂的总重量为0至3重量％的D） 成核剂，润滑剂和脱模剂，表面活性剂，蜡，抗静电剂，防雾剂，染料，颜料，UV吸收剂，UV稳定剂或其它塑料添加剂; 用于生产薄壁注模组件。