发明名称 |
Sealing compositions |
摘要 |
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 volatilize the blowing agent and expand the microspheres.
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申请公布号 |
US4699810(A) |
申请公布日期 |
1987.10.13 |
申请号 |
US19870011489 |
申请日期 |
1987.02.05 |
申请人 |
W. R. GRACE & CO. |
发明人 |
BLAKEMAN, PETER J.;JOHNSON, TERENCE R.;PFEIFFER, CLAES F. H. |
分类号 |
C08J9/32;C09K3/10;(IPC1-7):B05D5/00 |
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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