Polycarboxy polymer acid binders having reduced cure...

Details Polycarboxy polymer acid binders having reduced cure... Polycarboxy polymer acid binders having reduced cure...

C - Chemistry, Metallurgy

09

J

C09J 133/02 (2006.01) C08L 33/02 (2006.01) C08L 33/06 (2006.01) C08L 35/00 (2006.01) C09D 133/02 (2006.01) C09J 133/06 (2006.01) D04H 1/64 (2006.01) C08L 29/04 (2006.01)

Patent

CA 2229154

By carefully adjusting the molecular weight and amounts of methacrylic acid and maleic acid and/or maleic anhydride comonomers in polyacrylic acid-based fiberglass binders, binder-treated fiberglass cured and B-staged product throughput may be maintained at production rates designed for phenol/formaldehyde binders due to the lower thermal requirements for cure as compared to homopolyacrylic acid-based binder systems.

Si l'on règle soigneusement le poids moléculaire et les quantités de comonomères d'acide méthacrylique et d'acide maléique et/ou d'anhydride maléique dans les liants de fibre de verre à base d'acide polyacrylique, le débit d'un produit cuit ou de stade B de fibre de verre traitée au liant peut être maintenu à des taux de production correspondants aux liants phénol/formaldéhyde en raison des exigences thermiques de cuisson plus faibles comparativement aux systèmes de liant à base d'acide homopolyacrylique.

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