发明名称 |
PRODUCTION OF POLYESTERS AND POLYESTER ARTICLES HAVING GOOD CLARITY |
摘要 |
Disclosed is an improvement in a process for producing linear polyesters wherein a precursor polyester is first formed and subsequently the precursor polyester is formed into particles and further polymerized in the solid state, wherein the improvement comprises contacting the particles while at a temperature of about 140 to about 2 .degree.C below the melting point of the polyester with the vapor of water or an organic compound having at least one OH group.
|
申请公布号 |
CA2151057(A1) |
申请公布日期 |
1994.07.21 |
申请号 |
CA19942151057 |
申请日期 |
1994.01.03 |
申请人 |
EASTMAN CHEMICAL COMPANY |
发明人 |
YAU, CHEUK CHUNG;CHERRY, CLINTON |
分类号 |
C08G63/78;C08G63/80;(IPC1-7):C08G63/80 |
主分类号 |
C08G63/78 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|