| 发明名称 |
PVC-contg. plastic waste processing - comprises adding alkali(ne earth) metal carbonate(s) to melt to prevent bubble formation due to hydrogen chloride formation |
| 摘要 |
<p>Prodn. and processing of a plastic melt esp. of plastic waste water under the influence of heat is new. The melt contains a PVC component or similar and contains alkali(ne earth metal carbonate additives. The melt pref. contains 1-20 pref. 5-10 wt. % calcium carbonate. The melt is processed using a plastifying appts. and a mould press. ADVANTAGE - Bubbles due to halogen chloride gas formation are prevented</p> |
| 申请公布号 |
DE4133582(A1) |
申请公布日期 |
1993.04.15 |
| 申请号 |
DE19914133582 |
申请日期 |
1991.10.10 |
| 申请人 |
VEREINIGTE KUNSTSTOFFWERKE GMBH, 7805 BOETZINGEN, DE |
发明人 |
VERZICHT DES ERFINDERS AUF NENNUNG |
| 分类号 |
B29B17/00;C08K3/26 |
主分类号 |
B29B17/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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