发明名称 |
DRY POWDERS AND PROCESS FOR PREPARING POLYVINYL CHLORIDE SHEETS WITH A FOAM STRUCTURE |
摘要 |
1. Dry powdery mixture for preparing foamed flat-shaped PVC-articles in two process steps containing a) emulsion-, suspension-, and/or block polymerisation-PVC, b) one or more foaming agents in an amount of 1 to 10% by weight, based on the PVC, c) utmost 150% additives and/or adjuvants, based on the PVC, d) 1 to 50% of a thermoplastic methacrylic acid ester-copolymer, based on the PVC, characterized by the fact that the component (d) is a methacrylic acid methyl/ethyl/n-butylesterterpolymer the glass transition temperature of which is at most 20 degrees C higher than that of the PVC. |
申请公布号 |
DE3277626(D1) |
申请公布日期 |
1987.12.17 |
申请号 |
DE19823277626 |
申请日期 |
1982.08.27 |
申请人 |
GRABOPLAST GYORI PAMUTSZOVO ES MUBORGYAR |
发明人 |
FARKAS, FERENC, DR. DIPL.-ING.;JANDO, TAMAS, DIPL.-ING.;KERTESZ, TIBOR, DR. DIPL.-ING.;STELCZER, TIBOR, DIPL.-ING.;TOMASKOVICS, GYULA;VARJU, ERNO, DIPL.-ING. |
分类号 |
C08J9/00;(IPC1-7):C08J9/06;C08L27/06 |
主分类号 |
C08J9/00 |
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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