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
1998-11-19
2000-09-19
Szekely, Peter A.
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...
524188, 524265, 524266, 524271, 524487, 524489, 524505, 524588, 524590, C08K 5541, C08K 55444, C08L 9106, C08L 9304, C08L 5302
Patent
active
061213543
ABSTRACT:
A high performance, hot melt, single-component sealant which combines the prefered properties of single- and two-component sealants. The sealant comprises a styrene block copolymer, a moisture-curable silylated polyurethane prepolymer, an aromatic tackifier resin, a polar tackifier resin, a polyethylene wax and an organo silane adhesion promoter. Optionally, the sealant may include UV absorbers, antioxidants, plasticizers, catalysts, fillers, pigments, and the like. The sealant does not require mixing before it is applied at a high temperature to the surface that is to be sealed. After application, the sealant forms, upon cooling, a solid elastomer. Upon further exposure to atmospheric moisture, the sealant forms a thermoset crosslinked network having the preferred properties of two-component chemically-cured sealants. The sealant is suitable for use as an edge sealant for insulated glass.
REFERENCES:
patent: 4539345 (1985-09-01), Hansen
patent: 5169890 (1992-12-01), Eadara et al.
patent: 5464888 (1995-11-01), Owen
Bostik, Inc.
Szekely Peter A.
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