| 发明名称 |
Foamed cellular polyester resins and process for their preparation |
| 摘要 |
PCT No. PCT/EP92/02889 Sec. 371 Date Sep. 28, 1993 Sec. 102(e) Date Sep. 28, 1993 PCT Filed Aug. 5, 1993 PCT Pub. No. WO93/12164 PCT Pub. Date Jun. 24, 1993.A foamed cellular material from polyester resins is obtained by extrusion foaming of polyester resins having melt strength higher than 8 centinewton, intrinsic viscosity greater than 0.8 dl/g and complex melt viscosity higher than 25,000 poises.
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| 申请公布号 |
US5362763(A) |
申请公布日期 |
1994.11.08 |
| 申请号 |
US19930098341 |
申请日期 |
1993.09.28 |
| 申请人 |
M. & G. RICERCHE S.P.A. |
发明人 |
AL GHATTA, HUSSAIN A. K.;SEVERINI, TONINO;ASTARITA, LUCA |
| 分类号 |
B29C47/00;B29K67/00;B29K105/04;C08J9/00;C08J9/04;C08J9/14;F16G11/00;H02G15/18;(IPC1-7):C08J9/08 |
主分类号 |
B29C47/00 |
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代理人 |
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