发明名称 |
SEALING COMPOSITIONS |
摘要 |
<p>Sealing Compositions A storage-stable container sealing composition which is fluid and comprises an aqueous dispersion of a visco elastic, generally elastomeric, polymer and hollow microspheres of a thermoplastic polymeric material containing a liquid blowing agent. The compositions are applied as gaskets to container closures and are heated to volatilise the blowing agent and expand the microspheres.</p> |
申请公布号 |
CA1270999(A) |
申请公布日期 |
1990.06.26 |
申请号 |
CA19860504322 |
申请日期 |
1986.03.18 |
申请人 |
GRACE (W.R.) & CO.-CONN. |
发明人 |
BLAKEMAN, PETER J.;JOHNSON, TERENCE R.;PFEIFFER, CLAES F.H. |
分类号 |
C08J9/32;C09K3/10;(IPC1-7):C09K3/10;C08J9/14 |
主分类号 |
C08J9/32 |
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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