GB/T 29646-2013 in English

《GB/T 29646-2013吹塑薄膜用改性聚酯类生物降解塑料》由TC15（全国塑料标准化技术委员会）归口，TC15SC10（全国塑料标准化技术委员会改性塑料分会）执行，主管部门为中国石油和化学工业联合会。
本标准规定了吹塑薄膜用改性聚酯类生物降解塑料的术语和定义、要求、试验方法、检验规则、标志、包装、运输与贮存。
本标准适用于由一种或一种以上具备生物降解能力的聚酯树脂经由塑料改性制备的、可用于吹塑薄膜的生物降解塑料(简称为生物降解塑料)。常见的聚酯树脂主要有聚乳酸、聚α-羟基烷基酸酯、聚丁二酸丁二醇酯、脂肪族芳香族共聚酯等。

Scope

This standard specifies the terms and definitions, requirements, test methods, inspection rules, signs, packaging, transportation and storage of modified polyester biodegradable plastics for blown film. This standard applies to biodegradable plastics (referred to as biodegradable plastics) that are prepared from one or more biodegradable polyester resins through plastic modification and can be used for blown films. Common polyester resins mainly include polylactic acid, poly α-hydroxyalkanoate, polybutylene succinate, aliphatic aromatic copolyester, etc.