High speed moisture cure polyurethane sealant

Details High speed moisture cure polyurethane sealant High speed moisture cure polyurethane sealant

1989-05-23

1991-10-08

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

502156, 502352, C08G 1824

Patent

active

050555430

ABSTRACT:
Disclosed herein is a one part moisture cure sealant which is cured under an ordinary temperature by reaction with moisture contained in the air. This sealant contains a cure accelerating catalyst of: ##STR1## in a sealing composite containing urethane prepolymer. Due to the action of this catalyst, not only the cure rate is improved but difference in the cure rate between a low-temperature/low-humidity season and a high-temperature/high-humidity season is reduced. This sealant is also excellent in storage stability.

REFERENCES:
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patent: 3194770 (1965-07-01), Hostettler
patent: 3635906 (1972-01-01), Jayawant
patent: 3828007 (1974-08-01), Throckmorton et al.
patent: 3945981 (1976-03-01), Robertson
patent: 4038304 (1977-07-01), Kazama et al.
patent: 4043949 (1977-08-01), Treadwell et al.
patent: 4087412 (1978-05-01), Groves
patent: 4102716 (1978-07-01), Groves et al.
patent: 4239857 (1980-12-01), Harper
Chemical Abstracts, vol. 86, No. 16, Apr. 16, 1977, p. 15, Abstract 107242h, Columbus, Ohio, U.S.

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