Sealing compositions

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

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

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