| 发明名称 |
EXPANDED ARTICLES OF BIODEGRADABLE PLASTICS MATERIALS AND A METHOD FOR THEIR PRODUCTION |
| 摘要 |
Expanded articles of biodegradable plastics material are produced by the extrusion of a composition including starch, a polymer compatible with starch, in particular, an ethylene-acrylic acid copolymer and/or ethylene-vinyl alcohol copolymer, and an expanding agent. Preferably use is made of sodium bicarbonate as expanding agent in the presence of a polymeric acid. |
| 申请公布号 |
WO9102023(A1) |
申请公布日期 |
1991.02.21 |
| 申请号 |
WO1990EP01252 |
申请日期 |
1990.08.01 |
| 申请人 |
BUTTERFLY S.R.L. |
发明人 |
BASTIOLI, CATIA;BELLOTTI, VITTORIO;DEL GIUDICE, LUCIANO;LOMBI, ROBERTO;RALLIS, ANGELOS |
| 分类号 |
C08J9/08;C08J9/00;C08J9/04;C08L1/00;C08L3/00;C08L3/02;C08L23/08;C08L23/26;C08L29/04;C08L33/02;C08L33/04;C08L33/06;C08L101/16 |
主分类号 |
C08J9/08 |
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