| 摘要 |
Disclosed is a method of preparing a biodegradable polymer composition, said method comprising melt mixing a first biodegradable polyester and a masterbatch, wherein said masterbatch has been formed separately by melt mixing in the presence of a transesterification catalyst a polysaccharide, a second biodegradable polyester and a biodegradable polymer having pendant carboxylic acid groups. Also disclosed is a masterbatch comprising the following components and/or a reaction product derived from melt mixing the components: (a) polysaccharide; (b) biodegradable polyester; (c) biodegradable polymer having pendant carboxylic acid groups; and (d) transesterification catalyst and a method for preparing the masterbatch.
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