Molding material, inner material using the same, and method...

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 5/24 (2006.01) B29C 44/32 (2006.01) B29C 70/46 (2006.01) B32B 5/28 (2006.01) C08J 5/18 (2006.01) C08L 61/34 (2006.01)

Patent

CA 2287419

An object of the present invention is to provide a material to be molded having a long storage life and good moldability and give a molded material having a good heat resistance. To attain said object, the present invention provides a material to be molded consisting of a porous material in which a thermoplastic resin is impregnated and further the present invention provides a manufacturing method of said material to be molded comprising impregnating a precondensation polymer of a thermosetting resin, heating and drying said porous material impregnating said thermosetting resin to condensate slightly to make it at B-stage.

L'invention concerne un matériau de moulage qui non seulement peut être conservé pendant une longue durée et présente une bonne aptitude au moulage, mais également peut être utilisé pour produire un produit moulé ayant une excellente résistance thermique. Pour ce faire, sont présentés un matériau de moulage comprenant un matériau poreux imprégné d'une résine synthétique thermodurcissable en phase B et un procédé de production d'un matériau de moulage caractérisé en ce qu'un matériau poreux est imprégné d'un condensat en phase initiale d'une résine synthétique thermodurcissable, et le mélange obtenu est chauffé afin de sécher le matériau poreux et en même temps de faire passer le condensat en phase B par une légère augmentation du degré de condensation.

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