METHOD FOR PRODUCING POLYMER FROM MONOMER WITH ETHYLENICALLY UNSATURATED DOUBLE BOND

METHOD FOR PRODUCING POLYMER FROM MONOMER WITH ETHYLENICALLY UNSATURATED DOUBLE BOND

PROBLEM TO BE SOLVED: To provide a method for producing a polymer by polymerizing a monomer with ethylenically unsaturated double bond wherein discolored foreign matter contaminating the obtained polymer product is reduced by improving preventive effect for polymer scale build-up. SOLUTION: The poly...

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Hauptverfasser: WATANABE MIKIO, SHIMIZU TOSHIHIDE, NOKUKI GENJI
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Sprache:eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator WATANABE MIKIO
SHIMIZU TOSHIHIDE
NOKUKI GENJI
description PROBLEM TO BE SOLVED: To provide a method for producing a polymer by polymerizing a monomer with ethylenically unsaturated double bond wherein discolored foreign matter contaminating the obtained polymer product is reduced by improving preventive effect for polymer scale build-up. SOLUTION: The polymerization reactor used for polymerizing a monomer has a coating comprising a first layer and a second layer formed on the inner wall thereof for preventing polymer scale from building up. The first layer is formed by coating a first coating liquid containing a quinone-based condensate (A) using steam as a carrier, and the second layer is formed by coating a second coating liquid containing at least one scale inhibiting aid (B) selected from the group consisting of a water soluble polymer, an inorganic colloid, an inorganic salt and an acid using steam as a carrier. And further, the first layer and the second layer are formed by spray coating of each coating liquid using a two-fluid atomizer.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title METHOD FOR PRODUCING POLYMER FROM MONOMER WITH ETHYLENICALLY UNSATURATED DOUBLE BOND
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