Impact modifier resin for vinyl chloride resins improved in powder characteristics

A synthetic resin powder improved in granulation properties, blocking resistance and other powder characteristics, which is prepared by coagulating an MBS resin latex satisfying the following relationships (1) and (2), adding a hard polymer in the form of a latex or a coagulation slurry in an amount...

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Bibliographic Details
Main Authors YOSHIOKA MASAHITO, UEMURA AKIRA, YAUCHI SHINICHI
Format Patent
LanguageEnglish
Published 23.05.2001
Edition7
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:A synthetic resin powder improved in granulation properties, blocking resistance and other powder characteristics, which is prepared by coagulating an MBS resin latex satisfying the following relationships (1) and (2), adding a hard polymer in the form of a latex or a coagulation slurry in an amount of 0.1 to 10 parts by weight per 100 parts by weight of the MBS resin, and recovering a powder from the resulting mixture: -1.5x + 140 ≤ y ≤ -1.65x + 180 (1) 55 ≤ x ≤ 70 (2) Äwherein x is butadiene content (wt. %) of MBS resin; and y is Vicat softening point ( DEG C) of MBS resinÜ. This synthetic resin powder is useful as impact modifier for vinyl chloride resins and can impart excellent impact resistance to vinyl chloride resins without lowering in the transparency of the resins.
Bibliography:Application Number: CN20008000334