Expandable urethane sealant compositions

Details Expandable urethane sealant compositions Expandable urethane sealant compositions

C - Chemistry, Metallurgy

08

J

403/24

C08J 9/02 (2006.01) C08G 18/09 (2006.01) C08G 18/22 (2006.01) C08G 18/38 (2006.01) C08G 18/62 (2006.01) C08G 18/69 (2006.01) C09K 3/10 (2006.01)

Patent

CA 1210550

- 25 - Abstract of the Disclosure This invention relates to expandable urethane compositions adapted for use as sealants. The composition is characterized in comprising a first component comprising a mixture of a hydroxy functional liquid reactive elastomer and metal salts of organic sulfonates and a second component comprising polyisocyanate. Optionally, the composition may additionally comprise pigments and/or fillers. The foam sealant exhibits excellent flexibility, abrasion and impact resistance, sound deadening properties and advantageously adhesion to oily surfaces.

433428

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