发明名称 |
POLYESTERKOMPOSITION SAMT FORMADE ARTIKLAR HERAV |
摘要 |
The present application provides a polyester composition composed of polyethylene terephthalate or a polyester containing at least 80 mol % of ethylene terephthalate repeating units and 0.1 to 15 weight %, based on the polyester, of an organic crystallization promoting agent having a polyoxyalkylene chain and at least one epoxy group. The latter promoting agents are represented by such materials as a glycidyl ether of a polyalkylene glycol having a molecular weight less than 5000. Such crystallization promoting agents serve to prevent streaks and pock marks on the surface of articles molded from such polyester compositions. |
申请公布号 |
SE429442(B) |
申请公布日期 |
1983.08.05 |
申请号 |
SE19790004346 |
申请日期 |
1979.05.17 |
申请人 |
TOYO BOSEKI KK |
发明人 |
S * KOBAYASHI;N * YOSHIHARA;K * NANBU;Y * GOTO |
分类号 |
C08L67/00;C08K3/00;C08K5/1515;C08L67/02;(IPC1-7):08L67/02 |
主分类号 |
C08L67/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|