Blends of polyphenylene ethers with phosphorus-containing polyme

Details Blends of polyphenylene ethers with phosphorus-containing polyme Blends of polyphenylene ethers with phosphorus-containing polyme

1985-08-19

1987-07-14

Ivy, C. Warren

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524380, 524394, 524399, 524400, 524504, 524508, 525 68, 525132, 525150, 525152, C08L 704

Patent

active

046803297

ABSTRACT:
Polyphenylene ether resin compositions, optionally also containing polystyrenes, with improved impact properties and resistance to stress-cracking and delamination are prepared by blending with said resin at least one hydrocarbon polymer containing phosphorus acid or derivative (preferably phosphonate) groups and at least one fatty acid salt such as zinc stearate. Preferably, there are added to the blend at least one plasticizer (especially a triaryl phosphate) and at least one aromatic polymer containing acidic (especially sulfonic acid) substituents or salts thereof.

REFERENCES:
patent: 3943085 (1976-03-01), Kraft
patent: 4537925 (1985-08-01), Luxon
Schroeder et al., J. Poly. Sci., 47, 417-433 (1960).

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