| 发明名称 |
Process for substantially eliminating surface melt fracture during extrusion of thermoplastic polymers |
| 摘要 |
A process for substantially eliminating surface melt fracture during extrusion of a thermoplastic polymer such as a molten narrow molecular weight distribution, linear, ethylene copolymer, by incorporating into the thermoplastic polymer a wood rosin or wood rosin derivative.
|
| 申请公布号 |
US5204032(A) |
申请公布日期 |
1993.04.20 |
| 申请号 |
US19890366477 |
申请日期 |
1989.06.15 |
| 申请人 |
UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY CORPORATION |
发明人 |
RAMAMURTHY, ARAKALGUD V.;RIFI, MAHMOUD R. |
| 分类号 |
B29C47/00;C08L23/08;C08L93/04 |
主分类号 |
B29C47/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
