Process for reducing polymer buildup
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United States of America Patent
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May 13, 1986
Grant Date -
N/A
app pub date -
Oct 10, 1984
filing date -
Oct 10, 1984
priority date (Note) -
Expired
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Abstract
In the polymerization of vinyl chloride monomer or a mixture of vinyl monomers having vinyl chlorides as a main component, the deposition of polymer scale on the inner walls of the polymerization vessel can be effectively reduced by coating the internal surfaces of the reactor with first, a condensation polymer of a polyhydric phenol and an aldehyde and second, a crosslinking agent to increase the insolubility of the polymeric material.
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