Biocidal coating compositions and method

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 5/14 (2006.01) C08K 3/22 (2006.01) C09D 121/02 (2006.01) C09D 125/10 (2006.01) C09D 125/12 (2006.01) C09D 133/20 (2006.01)

Patent

CA 2317693

A biocidal film-forming composition, preferably a paint, is disclosed, comprising hydrated lime and a non-ionic polyolefinic latex resistant to hydrated-lime induced coagulation and phase separation. Also disclosed is the method of making certain such composition wherein hydrated lime is admixed with a non-ionic polyolefinic ester latex with agitation and continuing such agitation until hydrolysis of the ester is substantially completed and rheology of the composition is stabilized.

Divulgation d'une composition biocide formant un film, de préférence une peinture, contenant de la chaux hydratée et un latex polyoléfinique non ionique résistant à la coagulation induite par la chaux hydratée et la séparation de phases. Divulgation aussi de la méthode pour s'assurer qu'une telle composition dans laquelle la chaux hydratée est mélangée avec un latex à polyoléfine estérifiée non ionique par brassage continu jusqu'à ce que l'hydrolyse de l'ester soit substantiellement complétée et que la rhéologie de la composition se soit stabilisée.

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