Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1981-04-09
1983-03-15
Seccuro, Carman J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525263, 525265, 525301, 525303, 525315, 5262325, 526346, C08F11204, C08F11208, C08F27902
Patent
active
043768474
ABSTRACT:
A process for polymerizing a styrene monomer or a styrene monomer having a rubber-like polymer dissolved therein by using, as the catalyst, an organic peroxide of the formula ##STR1## where R.sub.1 and R.sub.2 are the same or different radicals selected from the group consisting of hydrogen, alkyl radicals of from 1 to 5 carbon atoms, and phenyl. Preferably, the polymerization is continuously carried out by bulk or solution polymerization while the reaction mixture present in the polymerization zone is kept in such a mixed state as to make it substantially homogeneous.
REFERENCES:
patent: 2757166 (1956-07-01), Segro et al.
patent: 3639370 (1972-02-01), Edl et al.
Ishida Yuzuru
Ito Norifumi
Iwamoto Mune
Matsubara Tetsuyuki
Mitsui Toatsu Chemicals Inc.
Seccuro Carman J.
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