Patents Assigned to Mitsubishi Kasei Vinyl Company
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Patent number: 5316825Abstract: An anti-fogging film consisting essentially of a thin film of a transparent synthetic resin, which has micro concavities of at most 20 .mu.m in width and at most 10 .mu.m in depth formed over the entire surface of at least one side of the thin film, the total area of the micro concavities being from 20 to 80% of the area of the film surface on which the concavities are formed.Type: GrantFiled: June 18, 1992Date of Patent: May 31, 1994Assignee: Mitsubishi Kasei Vinyl CompanyInventors: Takeyuki Nakai, Kazuyoshi Murakami, Yoshiko Ito
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Patent number: 5314941Abstract: A thermoplastic elastomer composition comprising, as resin components, 100 parts by weight of a crystalline chlorinated polyethylene with a chlorination degree of from 20 to 45% and a heat of crystal fusion of from 5 to 35 cal/g as measured by a DSC method and from 40 to 400 parts by weight of a rubber material having a solubility in tetrahydrofuran at 25.degree. C. of not more than 50% by weight.Type: GrantFiled: May 15, 1992Date of Patent: May 24, 1994Assignee: Mitsubishi Kasei Vinyl CompanyInventors: Masahiro Yamanaka, Kazuya Hori, Naoki Ichikawa, Mizuo Washimi
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Patent number: 5270381Abstract: A thermoplastic elastomer composition comprising, as the main blend components, 100 parts by weight of a crystalline chlorinated polyethylene with a chlorination degree of from 20 to 45% and a heat of crystal fusion of from 5 to 35 cal/g as measured by a DSC method and from 10 to 75 parts by weight of a plasticizer.Type: GrantFiled: May 8, 1992Date of Patent: December 14, 1993Assignee: Mitsubishi Kasei Vinyl CompanyInventors: Masahiro Yamanaka, Kazuya Hori, Hiroyuki Mori, Naoki Ichikawa, Mizuo Washimi
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Patent number: 5252623Abstract: An expandable vinyl chloride resin composition comprising, as main components, a vinyl chloride polymer composed mainly of vinyl chloride obtained by emulsion polymerization or fine suspension polymerization of a vinyl chloride monomer and a vinyl comonomer having a hydroxyl group or a carboxyl group, a plasticizer, a chemical blowing agent and a crosslinking agent, wherein said crosslinking agent is:(1) a combination of an alkylphenol-blocked polyisocyanate and an .epsilon.-caprolactam-blocked polyisocyanate, or(2) a polyisocyanate randomly blocked by an alkyl phenol and .epsilon.-caprolactam.Type: GrantFiled: January 21, 1993Date of Patent: October 12, 1993Assignees: Mitsubishi Kasei Vinyl Company, Mitsubishi Kasei CorporationInventors: Satoru Sugino, Hisaharu Hotta
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Patent number: 5248723Abstract: A vinyl chloride polymer composition comprising from 50 to 90 parts by weight of a vinyl chloride polymer having an average particle size of from 5 to 80 .mu.m and an average degree of polymerization of at least 2500 and from 50 to 10 parts by weight of a vinyl chloride polymer capable of forming a plastisol.Type: GrantFiled: March 12, 1992Date of Patent: September 28, 1993Assignee: Mitsubishi Kasei Vinyl CompanyInventors: Yoji Nakayama, Yasuo Murase
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Patent number: 5182362Abstract: A process for producing a granular vinyl chloride resin from a vinyl chloride resin latex prepared by emulsion polymerization or fine suspension polymerization, which comprises:(A) a step of flocculating the vinyl chloride resin latex,(B) a step of dehydrating the flocculated vinyl chloride resin to a water content of at most 50% by weight by means of a filter press dehydrator, a belt press dehydrator or a tube press dehydrator, and(C) a step of drying the dehydrated vinyl chloride resin at a temperature of lower than 80.degree. C.Type: GrantFiled: July 1, 1991Date of Patent: January 26, 1993Assignee: Mitsubishi Kasei Vinyl CompanyInventors: Masaki Asahi, Yukio Noro
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Patent number: 5147899Abstract: A process for producing a foamed polyvinyl alcohol film, which comprises mechanically foaming an aqueous solution containing a polyvinyl alcohol and a plasticizer, coating the foamed solution on the substrate, followed by heat-drying.Type: GrantFiled: August 12, 1991Date of Patent: September 15, 1992Assignee: Mitsubishi Kasei Vinyl CompanyInventors: Akihide Sato, Tokio Niikuni
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Patent number: 5093440Abstract: A method for producing a vinyl chloride resin, which comprises suspension-polymerizing vinyl chloride, or a mixture of vinyl chloride with a co-monomer copolymerizable therewith, in an aqueous medium in the presence of an oil-soluble polymerization catalyst, a dispersant and an emulsifier by means of a homogenizer under an emulsifying pressure within a range of from 5 to 50 kg/cm.sup.2 in such a state that the organic phase is dispersed in the aqueous phase.Type: GrantFiled: March 1, 1990Date of Patent: March 3, 1992Assignee: Mitsubishi Kasei Vinyl CompanyInventor: Katsunori Takeuchi
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Patent number: 5087730Abstract: A method for producing an ester, which comprises reacting an organic acid or its anhydride with an alcohol in the presence of a catalyst of an organometallic compound, wherein an esterification reaction product containing the catalyst, is treated with a polyhydric alcohol.Type: GrantFiled: June 15, 1990Date of Patent: February 11, 1992Assignee: Mitsubishi Kasei Vinyl CompanyInventor: Yasunori Matsushita
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Patent number: 5087664Abstract: A plastisol composition comprising a vinyl chloride polymer, a plasticizer and an adhesion-imparting agent, characterized in that the adhesion-imparting agent is a diisocyanate polymer blocked with an oxybenzoic acid ester or with an alkylphenol and having an average molecular weight within a range of from 1,000 to 10,000.Type: GrantFiled: February 27, 1991Date of Patent: February 11, 1992Assignees: Mitsubishi Kasei Vinyl Company, Mitsubishi Kasei CorporationInventors: Satoru Sugino, Yoshimichi Kobayashi
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Patent number: 5073316Abstract: A process for producing a porous film comprising polyolefin resin, a filler and an ester of dipentaerythritol having a ratio 3 to 70% residual OH groups.Type: GrantFiled: October 9, 1990Date of Patent: December 17, 1991Assignees: Mitsubishi Kasei Vinyl Company, Mitsubishi Kasei CorporationInventors: Kunio Bizen, Minoru Kashino, Tasuku Suzuki, Ryuichi Hasegawa, Koji Hayashi
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Patent number: 5030673Abstract: A plastisol composition comprising a vinyl chloride polymer, a plasticizer and an adhesion-imparting agent, characterized in that the adhesion-imparting agent is a diisocyanate polymer blocked with an oxybenzoic acid ester or with an alkylphenol and having an average molecular weight within a range of from 1,000 to 10,000.Type: GrantFiled: November 7, 1988Date of Patent: July 9, 1991Assignees: Mitsubishi Kasei Vinyl Company, Mitsubishi Kasei CorporationInventors: Satoru Sugino, Yoshimichi Kobayashi
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Patent number: 4957818Abstract: A molded synthetic resin product comprising a synthetic resin substrate and a coating layer formed by heat treatment on the surface of the substrate, said coating layer comprising, as main components, (A) a silane compound having a hydrolyzable group directly bonded to a silicon atom, and (B) an acrylic resin obtained by polymerizing a monomer selected from the group consisting of alkyl (meth)acrylates, or a mixture of such a monomer with an alkenyl benzene monomer, and a copolymerizable .alpha.,.beta.-ethylenically unsaturated monomer.Type: GrantFiled: August 8, 1988Date of Patent: September 18, 1990Assignee: Mitsubishi Kasei Vinyl CompanyInventors: Atsushi Obayashi, Yuji Takeda, Kazuya Kinoshita
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Patent number: 4948670Abstract: A vinyl chloride resin composition for coating electric wires, which comprises 100 parts by weight of a vinyl chloride resin and from 10 to 200 parts by weight of an alkyl biphenyltetracarboxylate.Type: GrantFiled: March 31, 1989Date of Patent: August 14, 1990Assignee: Mitsubishi Kasei Vinyl CompanyInventors: Seiichi Morimoto, Kazuyuki Shiji, Hisahiro Kusu
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Patent number: 4839218Abstract: A composite polyester sheet which comprises a polyester film, a layer of a vinyl chloride plastisol composition (A) containing an adhesion-imparting agent, formed on the film and a layer of a vinyl chloride plastisol composition (B) containing no adhesion-imparting agent, formed on the layer of the composition (A).Type: GrantFiled: April 14, 1988Date of Patent: June 13, 1989Assignee: Mitsubishi Kasei Vinyl CompanyInventor: Satoru Sugino