Zinc peroxide process

Details Zinc peroxide process Zinc peroxide process

1982-07-20

1983-07-19

Bleutge, John C.

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...

523334, 524556, 524566, 525373, 525387, C08J 324, C08C 1904, C08F23612, C08C 1942

Patent

active

043944884

ABSTRACT:
A process is provided for the production of a mixture of butadiene-acrylonitrile polymer and zinc peroxide which comprises (i) reacting an agitated aqueous mixture of French Process zinc oxide, sulphuric acid and hydrogen peroxide to form an aqueous slurry of a mixture of zinc peroxide and zinc oxide, and (ii) mixing with said slurry a latex of a butadiene-acrylonitrile polymer, followed by coagulating the mixture and recovering and drying the product.

REFERENCES:
patent: 2563442 (1951-08-01), Wood et al.
patent: 2681327 (1954-06-01), Brown
patent: 2724707 (1955-11-01), Brown
patent: 3403136 (1968-09-01), Baker
patent: 4332918 (1982-06-01), Fukahori et al.
Derwent Abst. 44628B/24 (4-1979) JS4054176 Otsuka Kagaku "Resin Foaming Agent-Contg. Zinc Peroxide . . . ".
Derwent Abst. 73789C/42 (9-1980) DT2914058 Otsuka Kagaku "Foaming High Melting Synthetic Resin-with Chem. Stable Zinc Peroxide".
Polysar Limited dated 2/75 entitled "KRYNAC PA50 and POLYSAR XPRD C423-Curative Masterbatches for Carboxylated NBR".

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