| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a resin composition in which an aliphatic polyester based resin, starch and a plasticizer can be simply, easily and properly mixed and in which the resin composition excellent in mechanical property can be manufactured in the case of manufacturing film. <P>SOLUTION: The method of manufacturing the resin composition containing the aliphatic polyester based resin (A), starch (B) and the plasticizer (C) includes the following steps of: a step (I) of mixing the starch (B) and the plasticizer (C) under a condition in which the starch (B) is not plasticized to prepare starch mixture; and a step (II) of mixing the starch mixture obtained in the step (I) with the aliphatic polyester resin (A) under a temperature condition higher than the melting point of the aliphatic polyester based resin (A). <P>COPYRIGHT: (C)2013,JPO&INPIT |
