Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-05-28
1999-03-09
Sellers, Robert E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 92F, 525 98, 525 99, 525314, C08L 5300, C08L 5302, C08L 3308, C08L 6702
Patent
active
058802177
ABSTRACT:
A pressure sensitive structural adhesive or sealant composition comprises a) a polymer system containing from 95 to 15 percent by weight of a telechelic polymer such as a polyhydroxylated diene block polymer and from 5 to 85 percent by weight of a heterotelechelic polymer such as an epoxidized monohydroxylated diene block polymer, and b) a dual curing system wherein one element such as a polyisocyanate cures the telechelic polymer at ambient temperature, and the other element such as an amino resin cures the heterotelechelic polymer.
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Erickson James Robert
St. Clair David John
Sellers Robert E.
Shell Oil Company
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