| 摘要 |
Disclosed herein are random graft copolymer compositions comprising base polymers that are amorphous to x-rays at a temperature of 130 DEG C or below, to which base polymer is randomly grafted, on the average, at least one sidechain of crystallizable homopolymers of alpha -substituted- beta -propiolactones and/or copolymers thereof; a process for making said random graft compositions; and use thereof, inter alia, as molded or extruded articles.
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