The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 19, 2000

Filed:

Nov. 19, 1998
Applicant:
Inventor:

Michael Chronister, Norristown, PA (US);

Assignee:

Bostik, Inc., Huntingdon Valley, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
524262 ; 524188 ; 524265 ; 524266 ; 524271 ; 524487 ; 524489 ; 524505 ; 524588 ; 524590 ;
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.


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