1·Aliphatic polyesters on the other hand are readily biodegradable, but lack good mechanical properties that are critical for most applications.
另一方面易于生物降解脂肪族聚酯的，但缺乏很好，在大多数应用中的关键力学性能。
2·Aliphatic polyesters have better moisture resistance than starches, which have many hydroxyl groups.
脂肪族聚酯具有更好的淀粉，其中有许多羟基防潮。
3·Polylactic acid (PLA) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.
聚乳酸(PLA)是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。
4·These aliphatic polyesters are, however, much more expensive and lack mechanical strength compared with conventional plastics such as polyethylene.
这些脂肪族聚酯然而，更昂贵和缺乏机械强度比传统塑料如聚乙烯。
5·Synthetic aliphatic polyesters are synthesised from diols and dicarboxylic acids via condensation polymerisation, and are known to be completely biodegradable in soil and water.
合成脂肪族聚酯二醇的合成及二羧酸经缩合聚合，和已知的完全生物降解土壤和水。
1·Resistance to most oils and solvents, especially acids, aliphatic hydrocarbons, aromatic hydrocarbons and animal and vegetable oils.
对于大部份油品及溶剂都具有抵抗能力，尤其是酸类、脂族烃、芳香烃及动植物油。
2·This may possibly be associated with evolution of aliphatic pyrolysates of butadiene.
这可能与丁二烯的脂族热解产物的演变相关。