C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 114/06 (2006.01) C08F 2/22 (2006.01) C08F 214/06 (2006.01)
Patent
CA 2377051
There is provided a polyvinyl chloride dispersion resin from which a product having excellent clarity and heat resistance can be obtained, and which has improved pulverization efficiency and increased recovery percentage in the production process, a plastisol composition and a plastigel composition using the same. The polyvinyl chloride dispersion resin of the present invention is obtained by polymerization using 0.1 to 5.0 parts by weight of an ammonium salt emulsifier based on 100 parts by weight of a vinyl chloride monomer, wherein the polyvinyl chloride dispersion resin has a specific surface area of 5 to 10 m2/g and comprises (A) 10 to 60 % by weight of a particle having a particle diameter distribution of less than 0.5 µm and having at least one peak diameter of the distribution in the range of at least 0.1 µm to less than 0.5 µm and (B) 40 to 90 % by weight of a particle having a particle diameter distribution of at least 0.5 µm and having at least one peak diameter of the distribution in the range of at least 0.5 µm to at most 1.3 µm.
Higashiyama Yukio
Inoue Shinji
Shimada Kazuko
Toba Nobuki
Kaneka Corporation
Osler Hoskin & Harcourt Llp
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