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US3997627A Polyester molding compositions containing hydroxy containing vinyl monomers and coated molded articles thereof 失效
含有羟基的乙烯基单体和其涂覆的模制品的聚酯模塑组合物

Polyester molding compositions containing hydroxy containing vinyl
monomers and coated molded articles thereof
Abstract:
An unsaturated polyester composition for molding compounds, consisting essentially of (1) 20 to 70 parts by weight of an unsaturated polyester obtained by condensing an acid component comprising a major amount of an .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid with a polyol, (2) 25 to 75 parts by weight of a vinyl monomer copolymerizable with said unsaturated polyester, (3) 1 to 25 parts by weight of a thermoplastic polymer, and (4) at least one member selected from the group consisting of hydroxyl-containing vinyl monomers and epoxy-containing vinyl monomers in a ratio of 1 to 40 parts by weight to 100 parts by weight of said unsaturated polyester (to form 100 parts by weight of the composition). The composition may be molded and cured to yield articles which provide good adhesion to surface coatings and are sesceptible of decorative finishes.
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