Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1993-03-19
1994-02-22
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524590, 528 59, 25218222, 525424, C08L 7504
Patent
active
052887979
ABSTRACT:
A one-part moisture curable polyurethane adhesive composition comprises a blend of polyurethane prepolymers and one or more additives which unexpectedly improve the sag resistance and mechanical properties of the formulation. The final adhesive composition retains good stability in the absence of moisture for an extended period between manufacture and application of the adhesive, and has a relatively rapid and consistent cure rate in the presence of atmospheric moisture. The final cured composition exhibits good mechanical properties and generally is unaffected by ambient application and cure conditions.
REFERENCES:
patent: 4097442 (1978-07-01), Kieft et al.
Khalil Hamdy
Majewski Witek
Nickel George
van Heumen Jeffrey D.
Wypych George
Dureska David P.
Hudak Daniel J.
Tremco Ltd.
Welsh Maurice J.
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