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Polyvinylidene fluoride resin expanded beads, and molded articles of polyvinylidene fluoride resin expanded beads
Polyvinylidene fluoride resin expanded beads, and molded articles of polyvinylidene fluoride resin expanded beads
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机译:聚偏二氟乙烯树脂发泡珠,聚偏二氟乙烯树脂发泡珠的成型品
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摘要
Provided are polyvinylidene fluoride resin expanded beads which can be molded by in-mold molding and thus stably provide, without impairing excellent characteristics inherent in polyvinylidene fluoride resin, molded articles having excellent mechanical properties. Polyvinylidene fluoride resin expanded beads, characterized in that when 1 to 3 mg of the expanded beads are subjected to heat-flux type differential scanning calorimetry (DSC) wherein the beads are heated from 25° C. to 200° C. at a temperature rise rate of 10° C./min, the obtained DSC curve (of first heating) has both an inherent endothermic peak which is inherent in polyvinylidene fluoride resin and one or more higher-temperature endothermic peaks which appear on the higher-temperature side of the inherent endothermic peak, the quantity of heat of melting of the higher-temperature endothermic peaks being at least 0.5 J/g.
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