C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 3/20 (2006.01) B29B 7/48 (2006.01) B29B 13/08 (2006.01) B29C 47/02 (2006.01) B29C 47/06 (2006.01) B29C 47/10 (2006.01) C08J 3/18 (2006.01) C09J 5/08 (2006.01) C09J 7/02 (2006.01) B29C 47/40 (2006.01) B29C 47/50 (2006.01) B29C 71/02 (2006.01) C08L 21/00 (2006.01)
Patent
CA 2147507
A solvent-free hot melt process, for preparing a non-thermosettable, pressure- sensitive adhesive from a tackified non- thermoplastic hydrocarbon elastomer. The process employs a continuous compounding device that has a sequence of alternating conveying zones (1, 3, 5, 7, 9 and 11) and processing zones (2, 4, 6, 8 and 10). The processing zones masticate and mix materials in them. Non-thermoplastic elastomers having high molecular weight may be readily compounded into adhesives in the process.
Bennett Richard E.
Bredahl Timothy D.
Leverty Harold W.
Smith Robert L.
Yarusso David J.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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