Process for preparing a thermoplastic resin with PVC dispersed t

Details Process for preparing a thermoplastic resin with PVC dispersed t Process for preparing a thermoplastic resin with PVC dispersed t

1973-11-09

1976-05-18

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 296RB, 260 296WA, 260876R, 260884, 260885, 260886, C08L 3318, C08L 2504, C08L 2702, C08L 3102

Patent

active

039579166

ABSTRACT:
A process for preparing a thermoplastic resin composition comprises subjecting a cross-linked rubber obtained by copolymerization of an acrylic ester represented by the general formula CH.sub.2 = CHCOOR, wherein R is an alkyl group having 2 to 8 carbon atoms, and a cross-linking agent to graft polymerization with a polymerizable vinyl or vinylidene monomer in the presence of polyvinyl chloride resin particles through radical polymerization. The present disclosure also relates to a process for preparing a mixed composition comprising the thermoplastic resin composition prepared above and a powder of polyvinyl chloride resin.
The thermoplastic resin composition has good weather-resistance properties and good mechanical properties. As the thermoplastic resin composition can easily be mixed with a polyvinyl chloride resin, a polyvinyl chloride resin composition having excellent properties is obtained by simple mixing operation.

REFERENCES:
patent: 3334156 (1967-07-01), Calentine et al.
patent: 3426101 (1969-02-01), Ryan et al.
patent: 3657172 (1972-04-01), Gallagher et al.
patent: 3660529 (1972-05-01), Groch
patent: 3673283 (1972-06-01), Tanaka et al.
patent: 3697620 (1972-10-01), Ermides
patent: 3760035 (1973-09-01), Kelley
patent: 3832318 (1974-08-01), Gallagher et al.

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