| 发明名称 |
WERKWIJZE VOOR HET VERBETEREN VAN DE FYSISCHE EIGENSCHAPPEN VAN EEN COPOLYETHERESTER. |
| 摘要 |
A substantially uniform blend of poly(butylene terephthalate), having a melt index of less than 50 at 250 DEG C and a copolyetherester composition consisting essentially of a multiplicity of recurring long chain units and short chain ester units joined head-to-tail through ester linkages. |
| 申请公布号 |
NL159426(B) |
申请公布日期 |
1979.02.15 |
| 申请号 |
NL19740016597 |
申请日期 |
1974.12.19 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY, WILMINGTON, DELAWARE, VER. ST. V. AM. |
发明人 |
BROWN MORTON;PROSSER ROBERT MANSFIELD |
| 分类号 |
C08L67/00;C08G63/672;C08L67/02;(IPC1-7):08L67/02;08G63/66 |
主分类号 |
C08L67/00 |
| 代理机构 |
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代理人 |
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