Impact resistant resins and method for making the same

Details Impact resistant resins and method for making the same Impact resistant resins and method for making the same

1984-12-21

1985-09-24

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525305, 525902, 525309, C08F26506

Patent

active

045433836

ABSTRACT:
What are disclosed are a continuous emulsion polymerization method for making an aqueous dispersion of an impact resistant resin, adaptable to use as a component of impact resistant polymethacrylate forming masses, by first emulsion polymerizing a first monomer component onto core particles of a seed latex until a degree of polymerization of said monomers from 80 to 95 percent is attained, whereby an intermediate product comprising said core particles covered with a rubbery polymer phase is obtained, and then emulsion polymerizing a second monomer component onto the particles of said intermediate product to form a shell of harder polymer on the particles of said intermediate product, and impact resistant resin products made by this method.

REFERENCES:
patent: 3655826 (1972-04-01), Fellman et al.
patent: 3661994 (1972-05-01), Hwa
patent: 3787522 (1974-01-01), Dickie
patent: 3793402 (1974-02-01), Owens
patent: 3971835 (1976-07-01), Myers
patent: 4052525 (1977-10-01), Ide
Plastics Handbook, (vol. IX), "Polymethacrylate", Carl Hanser Verlag, Munich, 1975 (pp. 333-339).

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