Unsaturated polyester resins and molding compositions containing

Details Unsaturated polyester resins and molding compositions containing Unsaturated polyester resins and molding compositions containing

1980-03-27

1981-09-22

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

525438, 528272, 528288, 528297, 528300, 528303, 528304, 528306, C08L 6702, C08G 6320

Patent

active

042909392

ABSTRACT:
The novel aspect of this invention resides in co-reacting a toughening agent with components of an unsaturated polyester resin in order to introduce the toughening agent into the backbone of the unsaturated polyester resin and thus produce a toughened stable resin. Suitable toughening agents are carboxyl and hydroxyl terminated reactive liquid polymers which are used in amount of 1 to 30, preferably 1 to 15 parts by weight per 100 parts by weight of reactant monomers used to prepare the polyester resin.

REFERENCES:
patent: 3431235 (1969-03-01), Lubowitz
patent: 3850856 (1974-11-01), Dreyfuss

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