Molding compositions with methyl (meth)acrylate-butadiene-styren

Details Molding compositions with methyl (meth)acrylate-butadiene-styren Molding compositions with methyl (meth)acrylate-butadiene-styren

1989-10-27

1992-02-11

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

264322, 264523, 264540, 264544, C08L 6900

Patent

active

050876635

ABSTRACT:
Carbonate polymers (PC) such as randomly branched carbonate polymers and blends thereof with linear carbonate polymers are blended with ABS polymers and MBS polymers. The ABS polymers have greater than 18% acrylonitrile and the MBS polymers have an outer polymer shell made from alkyl (meth)acrylates. This locates the MBS rubber modifier in the PC phase and the PC/ABS interphase so that higher melt elasticity is achieved and the compositions are therefore useful in blow molding and thermoforming applications.

REFERENCES:
patent: 3852393 (1974-12-01), Furukawa
patent: 4474999 (1984-10-01), Mark et al.
patent: 4526926 (1985-07-01), Weber
patent: 4617345 (1986-10-01), Sederel
patent: 4652602 (1987-03-01), Liu
patent: 4677162 (1987-06-01), Grigo et al.
S. S. Schwartz and S. H. Goodman, Editors; "Plastics Materials and Processes"; Van Nostrand Reinhold (1982); pp. 527-540; 617-631; 632-650.

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