Glass fibre coating composition, method using said...

C - Chemistry – Metallurgy – 03 – C

Patent

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C03C 25/28 (2006.01) C03C 25/26 (2006.01)

Patent

CA 2315358

The invention concerns a glass fibre coating composition consisting in a solution whereof the solvent content is less than 5 wt. %, said solution comprising at least 60 wt. % of polymerisable, said polymerisable constituents consisting for at least 60 wt. % of them constituents with molecular mass less than 750 and said polymerisable constituents comprising at least a polymerisable mixture of: constituent(s) having at least an acrylic reactive function and/or at least a methacrylic reactive function and constituent(s) having at least a primary amine reactive function and/or at least a secondary amine reactive function; at least 20 % of the polymerisable constituents having at least two reactive functions selected among acrylic, methacrylic, primary amine and secondary amine functions.

La présente invention concerne une composition d'ensimage pour fils de verre constituée d'une solution dont la teneur en solvant est inférieure à 5 % en poids, cette solution comprenant au moins 60 % en poids de composants susceptibles de polymériser, ces composants polymérisables étant pour au moins 60 % en poids d'entre eux des composants de masse moléculaire inférieure à 750 et ces composants polymérisables comprenant au moins un mélange susceptible de polymériser: de composant(s) présentant au moins une fonction réactive acrylique et/ou au moins une fonction réactive méthacrylique, et de composant(s) présentant au moins une fonction réactive amine primaire et/ou au moins une fonction réactive amine secondaire, au moins 20 % des composants polymérisables présentant au moins deux fonctions réactives choisies parmi les fonctions acrylique, méthacrylique, amine primaire et amine secondaire.

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