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    • 30. 发明申请
    • VINYL CHLORIDE RESIN AGGREGATE PARTICLES, PROCESS FOR PRODUCING SAME, AND GLOVE OBTAINED USING SAME
    • 乙烯氯树脂聚合颗粒,其生产方法和使用其获得的胶
    • US20130167287A1
    • 2013-07-04
    • US13823609
    • 2011-05-31
    • Takashi UedaKunihiko MatsumuraMorio IshiharaManabu Nagamitsu
    • Takashi UedaKunihiko MatsumuraMorio IshiharaManabu Nagamitsu
    • C09D127/06A41D19/00
    • C09D127/06A41D19/0055A41D19/0082C08J3/16C08J5/02C08J2327/06Y10T428/2982
    • The present invention provides: vinyl chloride-based resin aggregate particles that can be produced through a heat treatment while inhibiting scale formation within a vessel for the heat treatment and that provide a plastisol with non-infiltrating property and a satisfactory sagging property; a process for producing the particles; and a glove obtained using the particles. The vinyl chloride-based resin aggregate particles of the present invention are characterized in that the aggregate particles have a mean volume particle diameter of 10 to 60 μm, the percentage of particles having a particle diameter of 10 to 60 μm is at least 50 vol. %, and a plastisol containing 100 weight parts of the aggregate particles and 160 weight parts of di-2-ethylhexyl phthalate satisfies the relationship 3≦η70/η40≦1000 where η40 is the viscosity at a shear rate of 1 s−1 of the plastisol that has been retained at 40° C. for 10 minutes and η70 is the viscosity at a shear rate of 1 s−1 of the plastisol that has been warmed from 40° C. at 10° C./min. and retained at 70° C. for 3 minutes. The vinyl chloride-based resin aggregated particles are obtained by flocculating a vinyl chloride-based resin through a two-stage heat treatment consisting of a primary heat treatment and a secondary heat treatment.
    • 本发明提供:通过热处理同时抑制用于热处理的容器内的结垢并且提供具有非渗透性和令人满意的下垂性的增塑溶胶的氯乙烯类树脂骨料颗粒。 一种生产颗粒的方法; 和使用该颗粒获得的手套。 本发明的氯乙烯系树脂骨料粒子的特征在于,骨料粒子的平均体积粒径为10〜60μm,粒径为10〜60μm的粒子的比例为50体积%以上。 %,并且含有100重量份聚集体颗粒和160重量份邻苯二甲酸二-2-乙基己酯的增塑溶胶满足关系式3其中ηη40为剪切速率为1秒-1的粘度 在40℃下保持10分钟的增塑溶胶,eta70是在10℃/分钟下从40℃升温的增塑溶胶的剪切速率为1s -1的粘度。 并在70℃保持3分钟。 通过由一次热处理和二次热处理组成的两级热处理使氯乙烯系树脂絮凝,得到氯乙烯系树脂凝集粒子。