Adhesion-modified expandable polyolefin compositions and...

Details Adhesion-modified expandable polyolefin compositions and... Adhesion-modified expandable polyolefin compositions and...

C - Chemistry, Metallurgy

08

J

C08J 9/00 (2006.01) C08L 23/00 (2006.01)

Patent

CA 2648477

Polyolefin compositions that expand freely to form stable foams are disclosed. The compositions contain specified levels of adhesion-promoting resins. The compositions include at least one heat-activated expanding agent and typically include at least one heat-expanded crosslinker. The compositions are effective as sealers and noise/vibration insulation in automotive applications.

La présente invention concerne des compositions polyoléfiniques qui se dilatent librement pour former des mousses stables. Les compositions contiennent des niveaux spécifiés de résines qui favorisent l'adhérence. Les compositions comprennent au moins un agent de dilatation activé à chaud et comprennent d'habitude au moins un agent de réticulation dilaté à chaud. Les compositions sont efficaces en tant que produits d'étanchéité et isolation contre le bruit/les vibrations dans des applications automobiles.

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