| 摘要 |
THERE IS PROVIDED AN EXCELLENT IMPACT MODIFIER FOR A VINYL CHLORIDE RESIN. THERE IS USED, AS AN EXCELLENT IMPACT MODIFIER, A COPOLYMER WHICH IS PREPARED BY POLYMERIZING 10 TO 70 % BY WEIGHT OF A MONOMER OR MONOMERS CONTAINING 60 TO 100 % BY WEIGHT OF AT LEAST ONE VINYL MONOMER SELECTED FROM THE GROUP CONSISTING OF A (METH)ACRYLATE COMPOUND, AN AROMATIC VINYL COMPOUND, A VINYL CYANIDE COMPOUND AND VINYL CHLORIDE, AND 0 TO 40 % BY WEIGHT OF THE OTHER MONOMER COPOLYMERIZABLE THEREWITH, IN THE PRESENCE OF 30 TO 90 % BY WEIGHT OF A HOLLOW RUBBER PARTICLE OF WHICH GLASS TRANSITION TEMPERATURE TG IS AT MOST 0 °C AND A VOID RATIO IS 3 TO 90 % BY VOLUME IN A LATEX STATE, AND WHICH CONTAINS A CROSS LINKING AGENT IN AN AMOUNT OF 0.1 TO 5 PARTS BY WEIGHT BASED ON 100 PARTS BY WEIGHT OF THE TOTAL RUBBER COMPONENT MONOMER.
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