C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 267/10 (2006.01) C08J 3/28 (2006.01) C08J 5/04 (2006.01) C08L 35/00 (2006.01)
Patent
CA 2199908
The invention relates to compositions of ionization-setting maleic resins and their use for the manufacture of composite materials with a fibrous reinforcement . These compositions comprise a maleic resin and a reactive diluent made up of at least one compound chosen from among dipentaerythritol pentacrylate and hydroxyethyl methacrylate, the total quantity of reactive diluent being between 10 and 70 parts by weight per 100 parts by weight of maleic resin. They may also comprise a plasticizer such as a bis-allylic resin. With these compositions it is possible to obtain composite materials set by ionization without additional post heat treatment.
Compositions de résines maléiques pour prise par ionisation; leur emploi pour l'obtention de produits mixtes à renforcement fibreux. Ces compositions renferment une résine maléique et un diluant réactif constitué d'au moins un composé choisi parmi le pentacrylate de dipentaérythritol et le méthacrylate d'hydroxyéthyle, la quantité totale de diluant réactif se situant entre 10 et 70 parties en poids par 100 parties en poids de résine maléique. Elles peuvent aussi renfermer un plastifiant comme une résine bis-allylique. Il est possible à l'aide de ces compositions d'obtenir des produits mixtes à prise par ionisation, sans post-traitement thermique.
Boursereau Frederic Alexandre Lionel
Dourthe Patrice
Aerospatiale Societe Nationale Industrielle
Goudreau Gage Dubuc
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