(METH)ACRYLIC POLYMER PARTICLES AND PRODUCTION METHOD OF THE SAME

PROBLEM TO BE SOLVED: To provide (meth)acrylic polymer particles for a plastisol which is industrially highly useful because it has excellent storage stability, especially in an environment of 40°C or higher, such that the plastisol state can be maintained during storage with gelation being suppress...

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1. Verfasser:	MAE SATOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS AS ADHESIVES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide (meth)acrylic polymer particles for a plastisol which is industrially highly useful because it has excellent storage stability, especially in an environment of 40°C or higher, such that the plastisol state can be maintained during storage with gelation being suppressed, and a molding obtained using the plastisol has flexibility and excellent in chipping resistance.SOLUTION: Provided is a production method of (meth)acrylic polymer particles comprising forming a polymer (b) by polymerizing a monomer or a monomer mixture (B) in the presence of a polymer (a) obtained by polymerizing a monomer or a monomer mixture (A). A glass transition temperature (Tg) of the polymer (a) as obtained by the Fox equation is 90°C or more, a solubility parameter of the polymer (a) is 19.90(J/cm)or less, and a solubility parameter of the polymer (b) is 20.22 (J/cm)or more.