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Nishikawa Shigeo, Yorita Kaoru, Ichikawa Kouzo, Inoue Haruo, Eriguchi Michio, Sueda Takanori, Amemiya Hideo: Process for preparing expanded product of thermoplastic resin. Mitsui Toatsu Chemicals, January 14, 1998: EP0818292-A2 (30 worldwide citation)

A process for preparing an expanded product of a thermoplastic resin is herein disclosed which comprises a gas dissolving step of adding supercritical carbon dioxide and/or nitrogen as an blowing agent to a thermoplastic resin, and melting it in the thermoplastic resin, a cooling step of cooling the ...


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Nishikawa Shigeo, Yorita Kaoru, Ichikawa Kouzo, Inoue Haruo, Eriguchi Michio, Sueda Takanori, Amemiya Hideo: Thermoplastic resin product and production thereof. Mitsui Toatsu Chemicals, October 8, 1997: EP0799853-A1 (24 worldwide citation)

A thermoplastic resin is melted in a continuous plasticator (1), supercritical carbon dioxide and/or nitrogen is added as a blowing agent, and the blowing agent and the thermoplastic resin are formed into a mutually-dissolved state. The resultant molten resin composition is cooled within the plastic ...


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Nishikawa Shigeo, Sugihara Eiichi, Takedachi Masahiro, Yorita Kaoru, Inoue Haruo, Shimada Yoko, Eriguchi Michio: Method of adding supercritical carbon dioxide to thermoplastic resin and foamed articles. Mitsui Chemicals, January 19, 2000: EP0972626-A2 (11 worldwide citation)

This invention provides a method for stably adding a predetermined amount of supercritical carbon dioxide at a fixed delivery rate into a forming machine and also a process for producing an expanded thermoplastic resin product by making use of the addition method. Carbon dioxide is charged from a li ...


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Yorita Kaoru, Sugihara Eiichi, Takedachi Masahiro, Inoue Haruo, Nishikawa Shigeo, Shimada Yoko, Eriguchi Michio, Sueda Takanori, Uchiyama Akira, Ito Yuichi: Process for the production of expanded olefinic thermoplastic elastomer products. Mitsui Chemicals, February 2, 2000: EP0976782-A1 (4 worldwide citation)

A process is provided for the production of expanded olefinic thermoplastic elastomer product having good external appearance, flexibility and heat resistance. This process features using, as raw materials, a particular olefinic thermoplastic elastomer and carbon dioxide as a blowing agent.


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Nishikawa Shigeo, Arimoto Masashi, Eriguchi Michio: Ultrahigh-molecular polyethylene foam and process for producing the same. Mitsui Chemicals, June 28, 2006: EP1674510-A1

An expanded ultra-high-molecular-weight polyethylene product having a skin layer, which has good external appearance and to which the functions such as light weight, thermal insulating property, sound absorption, low dielectric constant, impact absorption, flexibility and the like have been imparted ...


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