Mercaptan blocked thermosetting copolymers

Details Mercaptan blocked thermosetting copolymers Mercaptan blocked thermosetting copolymers

1972-05-01

1977-04-05

Tillman, Murray

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

260 75T, 260 75S, 260 795C, 260 795NV, 260865, 260870, 260872, 260873, C08F 2802, C08L 6702, C08L 6706

Patent

active

040163326

ABSTRACT:
Block copolymers can be prepared by reacting a polyester resin or a polyol with a hydroxyl or carboxyl functional mercaptan and subsequently reacting the mercapto-blocked polyester or polyol in the presence of peroxygen-type or azo-type catalyst, with selected alpha, beta-ethylenically unsaturated monomer(s), such as diacetone acrylamide, acrylic acid, methacrylic acid, ethyl acrylate, butyl acrylate, styrene, methyl methacrylate, methacrylonitrile and the like. Such block copolymers provide for coating compositions having physical properties which provide for useful protective and decorative films.

REFERENCES:
patent: 3118852 (1964-01-01), Christenson et al.
patent: 3169945 (1965-02-01), Hostettler et al.
patent: 3465057 (1969-09-01), Cameron et al.

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