Cure-on-demand liquid sealant composition, process for the preparation thereof and uses thereof

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United States of America Patent

PATENT NO 9850412
SERIAL NO

14703111

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Abstract

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The present invention is directed to a liquid sealant composition based on polysulphide, capable of curing on demand, and the process for preparing same, the liquid sealant composition including: (i) a polysulphide comprising an —SH end group, (ii) a crosslinking agent chosen from ethylenically unsaturated or acetylenically unsaturated compounds, the unsaturated ethylenic or unsaturated acetylenic functions of the crosslinking agent being chemically blocked with a blocking agent, and (iii) optionally, a catalyst. The present invention also relates to a process for coating a substrate with a composition according to the invention, and also to the cured sealant materials formed from this composition. Finally, the invention relates to the use of a liquid sealant composition according to the invention for the construction and/or the maintenance, and more particularly for the adhesive bonding and/or the protection, of vehicles and machines.

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Patent Owner(s)

Patent OwnerAddress
PRC-DESOTO INTERNATIONAL INC12780 SAN FERNANDO ROAD SYLMAR CA 91342

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Auvergne, Rémi Saint Georges d'Orques, FR 1 0
Boutevin, Bernard Montpellier, FR 63 257
Froidevaux, Vincent Montpellier, FR 5 43
Laborbe, Elise Courtempierre, FR 4 4
Le, Rossignol Benoit Montargis, FR 10 60

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