MANUFACTURING METHOD OF STYRENE-METHACRYLATE BASED COPOLYMER RESIN COMPOSITION AND THE COMPOSITION

PROBLEM TO BE SOLVED: To provide a styrene-methacrylate based copolymer resin composition in which the gelling is controlled, that includes a high branched ultrahigh molecular weight copolymer and a linear polymer, and is excellent in melt tension and melt drawability, and a manufacturing method of...

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Hauptverfasser:	FUJIMATSU HIDETAKA, NISHINO KOHEI, HAYASHI KEIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a styrene-methacrylate based copolymer resin composition in which the gelling is controlled, that includes a high branched ultrahigh molecular weight copolymer and a linear polymer, and is excellent in melt tension and melt drawability, and a manufacturing method of the same.SOLUTION: The manufacturing method of a styrene-methacrylate based copolymer resin composition is characterized as follows. A material solution in which 100-3,000 ppm by weight of a solvent solubility multifunction vinyl copolymer that has two or more vinyl groups in one molecule in average and a bifurcation structure is added to a monovinyl aromatic compound in which styrene is indispensable, and methacrylate is continuously supplied to a polymerization reactor to progress the polymerization reaction, thereby the resin composition is made to include: a highly branched type ultrahigh molecular weight copolymer that is generated by that the solvent solubility multifunction vinyl copolymer, the monovinyl aromatic compound, and the methacrylate are copolymerized; and a linear polymer that is generated by that the monovinyl aromatic compound and the methacrylate are polymerized.