The present invention has its object to provide a resin composition excellent in impact resistance, tensile properties and transparency using a plant-derived biodegradable polymer obtained by positive fixation of carbon dioxide on the earth and, moldings thereof, and, further, provide a resin composition and moldings thereof improved in processability and thermal stability.
The present invention relates to
a resin composition
which comprises
(A), an aliphatic polyester type biodegradable polymer and
(B) at least one copolymer selected from the group consisting of composite rubber graft copolymers (b1) and core-shell type graft copolymers (b2); or,
a resin composition
which comprises
(A) an aliphatic polyester type biodegradable polymer and
(C) at least one compound selected from the group consisting of sorbitol compounds (c1) having a particular chemical structure and urea bond-containing substituted urea compounds (c2).
本发明的目的是提供一种具有优异抗冲击性、拉伸性能和透明度的
树脂组合物,该
树脂组合物使用了一种通过
二氧化碳在地球上的正固定作用而获得的植物源
生物可降解聚合物及其模塑件,此外,还提供了一种在加工性和热稳定性方面均有所改善的
树脂组合物及其模塑件。
本发明涉及
一种
树脂组合物
它包括
(A) 脂肪族聚酯型可
生物降解聚合物和
(B) 至少一种选自复合橡胶接枝共聚物 (b1) 和芯壳型接枝共聚物 (b2) 组的共聚物;或
树脂组合物
其中包括
(A) 脂肪族聚酯型可
生物降解聚合物和
(C) 至少一种选自具有特定
化学结构的
山梨醇化合物(c1)和含
脲键的取代
脲化合物 (c2)的化合物。