Polymer polyblend composition

Details Polymer polyblend composition Polymer polyblend composition

1976-03-26

1978-11-14

De Benedictis, Sr., Thomas

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260880R, 260890, 260892, C08L 906

Patent

active

041255739

ABSTRACT:
This invention relates to an improved polymeric polyblend characterized by a blend of (A) a polymer of at least one monoalkenyl aromatic monomer having dispersed therein an amount sufficient to toughen said polyblend of a (B) diene rubber, said rubber being dispersed as crosslinked grafted rubber particles wherein said improvement comprises (C) said diene rubber being a particular polybutadiene rubber having a broad molecular weight range providing the polyblend with greatly improved impact strength.

REFERENCES:
patent: 3189592 (1965-06-01), Norwood et al.
patent: 3243481 (1966-03-01), Ruffing et al.
patent: 3311675 (1967-03-01), Doak et al.
patent: 3488743 (1970-01-01), Baer et al.
patent: 3868434 (1975-02-01), Westphal et al.
patent: 3903202 (1975-09-01), Carter et al.
patent: 3928495 (1975-12-01), Dalton
patent: 3931356 (1976-01-01), Dalton
Billmeyer, Textbook of Poly. Sci., (Interscience, 1962), pp. 6, 7, 13, 352, 386, 388.
Morton, Rubber Tech., 2nd ed. (Van Nostrand, 1973), pp. 189-190.

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