Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1981-10-23
1983-01-11
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526 88, C08F 1824
Patent
active
043683100
ABSTRACT:
Disclosed is a method of polymerizing a monomer by forming a film or pool of monomer atop an immiscible liquid and initiating the polymerization. In this way there is obtained a thin sheet of polymers substantially free of imperfections on the surface thereof in contact with the liquid. According to a further exemplification a second, less dense, but also immiscible liquid is established above the monomer whereby to form a second smooth surface.
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patent: 3700761 (1972-10-01), O'Driscoll et al.
patent: 3816571 (1974-06-01), O'Driscoll et al.
patent: 3935292 (1976-01-01), Okubo et al.
patent: 4095772 (1978-06-01), Weber
Goldman Richard M.
Michl Paul R.
PPG Industries Inc.
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