申请人:Chang Chun Plastics Co., Ltd.
公开号:EP3845580A1
公开(公告)日:2021-07-07
An aliphatic polyester is provided. The aliphatic polyester comprises:
a first structural unit represented by -[-(CO)-R1-(CO)-]-, wherein R1 is absent or a C1 to C40 aliphatic hydrocarbyl;
a second structural unit represented by -[-O-R2-O-]-, wherein R2 is a C1 to C10 aliphatic hydrocarbyl; and
a third structural unit derived from a first cross-linking agent, wherein the first cross-linking agent has three reactive functional groups, wherein at least one reactive functional group is a secondary or tertiary hydroxyl, with the proviso that the first cross-linking agent is not malic acid.
提供一种脂肪族聚酯。脂肪族聚酯包括
由-[-(CO)-R1-(CO)-]-代表的第一结构单元,其中 R1 不存在或为 C1 至 C40 脂肪族烃基;
由-[-O-R2-O-]-代表的第二结构单元,其中 R2 是 C1 至 C10 脂肪族烃基;以及
衍生自第一交联剂的第三结构单元,其中第一交联剂具有三个活性官能团,其中至少一个活性官能团是仲羟基或叔羟基,但第一交联剂不是苹果酸。