MUMBAI, India, Sept. 28 -- Intellectual Property India has published a patent application (202647110452 A) filed by Sekisui Chemical Co. , Ltd. on September 15, 2026, for Vinyl Chloride-Based Resin Composition, Vinyl Chloride-Based Resin Molded Body, And Composite Particles.
Inventors include Deromachi, Nagisa; and Yamada, Tomoki.
The application for the patent was published on September 25, 2026, under issue no. 39/2026.
Abstract: Provided is a vinyl chloride-based resin composition with which it is possible to enhance the dispersibility of composite particles that include particles of a sodium salt of an aliphatic carboxylic acid, to enhance the thermal stability during heating and molding of the vinyl chloride-based resin composition, and to enhance the impact resistance of a molded body thereof. A vinyl chloride-based resin composition according to the present invention contains a vinyl chloride-based resin, an organic tin- based stabilizer, and composite particles. In the volume-based particle size distribution of the composite particles, the particle diameter D50 is 3.0 µm to 30 µm, and the particle diameter D99 is 15 µm to 250 µm. The composite particles each include a particle main body and a surface treatment material that is disposed on the surface of the particle main body. The material of the particle main body is a sodium salt of an aliphatic carboxylic acid, and the material of the surface treatment material is a fatty acid or a salt thereof.
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