Aliphatic polyester and process for the production thereof
摘要
<p>A process of producing a polyester or copolyester, wherein at least one cyclic lactone of the following formula (I): <CHEM> wherein n is an integer of 1-4 provided that n is not 2 when only one cyclic lactone is used, is polymerized under a pressure of at least 200 MPa in the absence of any catalyst or in the presence of a metal-free polyesterification catalyst.</p>
申请公布号
EP1041099(A2)
申请公布日期
2000.10.04
申请号
EP20000302561
申请日期
2000.03.28
申请人
SECRETARY OF AGENCY OF INDUSTRIAL SCIENCE AND TECHNOLOGY