Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymerizing in reactor of specified material – or in reactor...
Patent
1975-08-25
1977-09-20
Holler, Alan
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymerizing in reactor of specified material, or in reactor...
528484, C08F 218, C08F 1406, C08F 1408
Patent
active
040498948
ABSTRACT:
In the aqueous polymerization of vinyl chloride and vinylidene chloride polymers and copolymers, the polymer build up normally experienced in many areas of commercial polymerization reactors is reduced, or when such polymer build up does occur it is more readily removed, when these trouble areas in polymerization reactors are coated with a latex-modified portland cement composition, the polymer in said latex containing carboxyl groups and the polymer having a Tg .degree. C. of less than about 40.degree. C., preferably less than about 25.degree. C.
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patent: 3669946 (1972-06-01), Koyanagi et al.
patent: 3778423 (1973-12-01), Reiter
patent: 3915944 (1975-10-01), Burgess et al.
patent: 3959235 (1976-05-01), Nishigaki et al.
patent: 3962202 (1976-06-01), Morningstar
Encyclopedia of Chemical Technology, Kirk-Othmer, 2nd Ed., Interscience, vol. 4, pp. 690-692 (1964).
Holler Alan
Powell, Jr. J. Hughes
The B. F. Goodrich Company
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