Acoustic plastisols

Details Acoustic plastisols Acoustic plastisols

C - Chemistry, Metallurgy

08

L

C08L 27/06 (2006.01) B60R 13/08 (2006.01) C08J 9/10 (2006.01) C08K 5/12 (2006.01) C08L 31/04 (2006.01) C09D 127/06 (2006.01) C09D 131/04 (2006.01) G10K 11/162 (2006.01)

Patent

CA 2193723

Plastisol compositions based on vinyl chloride/vinyl acetate copolymers produced by a suspension polymerisation process have a low viscosity even when the polymer/plastifier ratio is low, so that they can be made into airless spraying plastisol compositions. These compositions are storage stable and easy to gel. Coatings based on these plastisols have good sound-proofing properties even when their vinyl acetate content is high.

Des compositions de plastisol à base de copolymères de chlorure de vinyle et d'acétate de vinyle, produites selon un procédé de polymérisation dans une suspension, ont une viscosité réduite même lorsque le rapport entre le polymère et le plastifiant est faible, de sorte qu'elles permettent de produire des compositions de plastisol pulvérisables sans air comprimé. Ces compositions sont stables au stockage et se laissent bien gélifier. Même lorsque leur teneur en acétate de vinyle est élevée, les enduits à base de ces plastisols ont une bonne capacité d'insonorisation.

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