C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
403/12, 18/55
C09K 3/10 (2006.01) C08J 9/14 (2006.01) C08J 9/32 (2006.01)
Patent
CA 1270999
ABSTRACT 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.
504322
Blakeman Peter John
Johnson Terence Richard
Pfeiffer Claes Fredrik Hakan
Smart & Biggar
W.r. Grace & Co.,-Conn.
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