发明名称 |
PROCESS FOR THE PREPARATION OF EXPANDED POLYVINYLARENE PARTICLES |
摘要 |
PROCESS FOR THE PREPARATION OF EXPANDED POLYVINYL-ARENE PARTICLES IN WHICH POLYVINYLARENE PARTICLES PRE-EXPANDED TO AN APPARENT DENSITY DO RANGING BETWEEN 600 AND 200 KG/M3 ARE IMPREGNATED BY AN INORGANIC GAS, AND THE IMPREGNATED PARTICLES THUS OBTAINED ARE EXPANDED TO AN APPARENT DENSITY OF AT LEAST THREE TIMES LOWER THAN DO.
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申请公布号 |
MY122460(A) |
申请公布日期 |
2006.04.29 |
申请号 |
MY1999PI03976 |
申请日期 |
1999.09.14 |
申请人 |
NOVA CHEMICALS (INTERNATIONAL) S.A. |
发明人 |
MICHEL FLORENTINE JOZEF BERGHMANS;KAREL CORNELIS BLEIJENBERG;ALPHONSUS CATHARINA GERARDUS METSAARS |
分类号 |
C08J9/22;C08J9/18;C08J9/228 |
主分类号 |
C08J9/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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