C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/5814, 18/689
C08K 7/04 (2006.01) C08F 222/10 (2006.01) C08J 5/04 (2006.01) C08J 5/24 (2006.01) C08L 33/06 (2006.01) C08L 77/10 (2006.01)
Patent
CA 1149986
ABSTRACT OF THE DISCLOSURE This invention is directed to a curable molding com- position which comprises a mixture of (a) one or more fibers with a melting point or a glass transition temerature above with a melting point or a glass transition temperature above about 130°C, (b) a poly(acrylate) characterized by the following empirical formula: Image wherein R is the hydroxy-free residue of an organic polyhydric alcohol which contained alcoholic hydroxyl groups bonded to different carbon atoms, R1 and R2 are independently hydrogen or methyl, n is 1 to 3 (c) an ethylenically unsaturated monomer which is soluble in and copolymerizable with (b), and (d) an elevated temperature free-radical curing catalyst capable of effecting the co-reaction of (b) with (c), said mixture containing (i) from about 15 to about 80 weight percent of (a), (ii) from about 5 to about 60 weight percent of (b), and (iii) from about 5 to about 60 weight percent of (c), and (iv) from about 0.2 to about 3 weight percent of (d), and wherein (b) plus (c) has a viscosity of from about 1 to about 50 centipoise. Additionally this inven- tion concerns a process for producing high performance reinforced thermoser molded articles. The process com- prises (I) forming a mixture of said composition, (II) providing said composition into a heatable mold and (III) molding said mixture at a temperature sufficient to cause the initiation of the co-reaction of (b) with (c) at a temperature not greater than 150°C and (IV) completing said molding in less than 6 minutes form the time of initiation of said co-reaction. - 2 -
351021
Hopley William G.
Union Carbide Corporation
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