Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1982-01-21
1984-02-07
Henderson, C. A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
528494, 528499, 528500, C08F 822, C08C 1914, C08C 202
Patent
active
044304838
ABSTRACT:
The invention relates to a process for the production of a chlorinated polymer having a chlorine content of from 30 to 70% by weight, which comprises chlorinating a polymer in a chlorinated hydrocarbon solvent, removing the solvent using steam and/or hot water in the presence of at least 1% by weight, based on the chlorinated polymer, of an alkoxylation product of 1 mole of a primary aliphatic alcohol containing at least 8 carbon atoms and at least 1.5 moles of propylene oxide and drying the precipitated chlorinated polymer.
REFERENCES:
patent: 4122249 (1978-10-01), Padget
patent: 4172104 (1979-10-01), Padget
Alfes Franz
Heine Diez
Kowitz Friedrich
Meyer Karl-Heinrich
Perrey Hermann
Bayer Aktiengesellschaft
Henderson C. A.
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