| 发明名称 |
Stretched tubular film of polyethylene terephthalate |
| 摘要 |
This invention relates to a stretched, shrinkable, tubular film of polyethylene terephthalate which has a lower initial point of shrinkage, higher shrinking values, and improved weldability, in which part of the ethylene glycol component is replaced by about 0.5 to 10 mole per cent of bis-phenol-A-bis-(2-hydroxyethyl)-ether.
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| 申请公布号 |
US4042565(A) |
申请公布日期 |
1977.08.16 |
| 申请号 |
US19750641912 |
申请日期 |
1975.12.18 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
HOHEISEL, KLAUS;JANOCHA, SIEGFRIED |
| 分类号 |
C08G63/00;B29D;B29D23/00;C08G63/16;C08G63/18;C08G63/42;C08G63/46;C08G63/66;C08J5/18;C08L;C08L67/02;(IPC1-7):C08G63/66 |
主分类号 |
C08G63/00 |
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