Phthalate polyester polyol-based compositions and high...

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 18/28 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08G 18/50 (2006.01)

Patent

CA 2450144

The invention relates to methods and compositions for preparingall water blown spray polyurethane foams by reacting a polyisocyanate with a polyol blend. The polyol methods and compositions of the invention comprises a polyol component, water, a cell openi ng agent and diluent. Polyurethane foams prepared according to the invention meet the physical and processing requirements stipulated by the industry.

L'invention concerne des procédés et compositions destinés à la préparation de mousses de polyuréthanne à pulvériser, gonflées uniquement à l'eau par réaction d'un polyisocyanate avec un mélange de polyols. Les compositions à base de polyols de l'invention comprennent un composant polyol, de l'eau, un agent d'ouverture des alvéoles et un diluant. Les mousses de polyuréthanne préparées selon cette invention répondent aux exigences relatives aux propriétés physiques et à la transformation, exigées par l'industrie.

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