Patents Assigned to Win Tech Polymer Ltd
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Patent number: 8921457Abstract: Provided is a resin molded body which has excellent flame retardance, weather resistance, shock resistance and tracking resistance. The resin molded body is composed of a thermoplastic resin composition comprising a thermoplastic resin, a polycarbonate, an elastomer, and a flame retardant. By adopting this combination of components, a Charpy impact value at 23° C. measured in conformity with ISO 179/1eA is 15 kJ/m2 or more and flame retardance measured under a condition of thickness of 1.0 mm and in conformity with UL94 is V-0 or more, and a resin molded body which can be used favorably outdoors is produced.Type: GrantFiled: June 27, 2012Date of Patent: December 30, 2014Assignee: Win Tech Polymer LtdInventors: Kosuke Maruyama, Kazuya Goshima
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Publication number: 20140287197Abstract: Provided is a wind direction-controlling plate, which is obtained by molding a polybutylene terephthalate resin composition that has high fluidity when melted and which has excellent external appearance and mechanical properties. A wind direction-controlling plate is manufactured using a polybutylene terephthalate resin composition comprising polybutylene terephthalate resin, polyethylene terephthalate resin and glass fibers as starting material. The plate has a board shape in which the length in the long direction is two or more times the length in the short direction, has a thickness of 0.7 mm to 4 mm, and is obtained by injection molding the polybutylene terephthalate resin composition from an end in the long direction or a gate near same.Type: ApplicationFiled: October 31, 2012Publication date: September 25, 2014Applicant: Win Tech Polymer Ltd.Inventors: Kosuke Maruyama, Kazuya Goshima
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Publication number: 20140121315Abstract: Provided is a resin molded body which has excellent flame retardance, weather resistance, shock resistance and tracking resistance. The resin molded body is composed of a thermoplastic resin composition comprising a thermoplastic resin, a polycarbonate, an elastomer, and a flame retardant. By adopting this combination of components, a Charpy impact value at 23° C. measured in conformity with ISO 179/1eA is 15 kJ/m2 or more and flame retardance measured under a condition of thickness of 1.0 mm and in conformity with UL94 is V-0 or more, and a resin molded body which can be used favorably outdoors is produced.Type: ApplicationFiled: June 27, 2012Publication date: May 1, 2014Applicant: Win Tech Polymer Ltd.Inventors: Kosuke Maruyama, Kazuya Goshima
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Publication number: 20140058015Abstract: Provided is an insert molded article provided with a resin member, which has superior heat shock resistance, flame resistance, and hydrolysis resistance, and an insert member. The insert molded article is provided with the insert member and resin member, and a polybutylene terephthalate resin composition in which a halogenated epoxy compound (B) having a specific molecular weight, an antimony oxide compound (C), and a carbodiimide compound (D) are mixed into a polybutylene terephthalate resin (A) is used for the starting material for the resin member. The specific molecular weight of component (B) is a number average molecular weight of 2,000-20,000.Type: ApplicationFiled: April 25, 2012Publication date: February 27, 2014Applicant: Win Tech Polymer Ltd.Inventors: Shinya Yamada, Kouichi Sakata, Fumiyuki Ohtake
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Publication number: 20130324649Abstract: Provided is an integrated molded product in which a molded resin product containing a phosphorus compound is used and an addition-reactive silicone adhesive agent is used to achieve strong bonding. The integrated molded product comprises a thermoplastic resin molded product made of a thermoplastic resin composition comprising a polybutylene terephthalate resin and a phosphorus compound, the content of the phosphorus compound being 0.5% by mass or less; an addition-reactive silicone composition; and a member; and the thermoplastic resin molded product and the addition-reactive silicone composition are brought into contact with each other. The phosphorus compound to be used is preferably a trivalent phosphorous compound.Type: ApplicationFiled: October 28, 2011Publication date: December 5, 2013Applicant: Win Tech Polymer Ltd.Inventors: Kumiko Doi, Kouichi Sakata
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Publication number: 20130309500Abstract: Provided are a polybutylene terephthalate resin composition which is excellent in mold releasability and which can suppress deterioration in molding stability and aggregation of the polybutylene terephthalate resin composition due to blooming of a mold release agent; and a pellet thereof. The polybutylene terephthalate resin composition contains 0.01 to 5.0 parts by mass of (B) a saturated fatty acid ester of a polyglycerol represented by formula (I) described below with respect to 100 parts by mass of (A) a polybutylene terephthalate resin. In formula (I), R1s each may be the same or different and are C19-30 saturated aliphatic acyl groups, and n is an integer from 1 to 10.Type: ApplicationFiled: December 13, 2011Publication date: November 21, 2013Applicant: WIN TECH POLYMER LTD.Inventor: Kumiko Doi
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Publication number: 20130245205Abstract: Provided are: a method for producing a polybutylene terephthalate-based resin composition which is capable of providing a molded article obtained therefrom with excellent physical properties such as excellent mechanical strength, while stably maintaining high fluidity when melted; and a polybutylene terephthalate-based resin composition for molding. Specifically, after melting a mixture that contains (A) a polybutylene terephthalate resin and (B) a polyvalent hydroxyl group-containing compound, (C) a phosphorus compound is added thereto. It is preferable to use a glycerin fatty acid ester or an ether obtained by an addition reaction of an alkylene oxide to a diglycerin as (B) a polyvalent hydroxyl group-containing compound.Type: ApplicationFiled: November 21, 2011Publication date: September 19, 2013Applicant: Win Tech Polymer Ltd.Inventor: Shinya Yamada
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Publication number: 20120083553Abstract: A molded article for an electric vehicle part is provided using a thermoplastic polyester resin composition imparting excellent hydrolysis resistance, electric insulation, flame retardance, and tracking resistance. The molded article for an electric vehicle part is formed by molding the thermoplastic polyester resin composition including a thermoplastic polyester resin, which has a terminal carboxyl group amount that is no more than 30 meq/kg, and a flame retardant, in which the tracking resistance measured according to IEC 112, the third edition, after pressurized heat treatment with the 120° C. saturated steam for 200 hours is no less than 500 V, and in which the volume resistivity value measured after the pressurized heating treatment with the 120° C. saturated steam for 200 hours is no less than 1×1015 ?·m.Type: ApplicationFiled: June 2, 2010Publication date: April 5, 2012Applicant: Win-Tech Polymer Ltd.Inventors: Sei Wakatsuka, Nobuyuki Sueyasu
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Publication number: 20100261025Abstract: Provided is a composite molded product of polybutylene terephthalate resin and metal, having sufficient adhesion strength and being moldable at a mold temperature of 100° C. or lower. Specifically, the composite molded product containing a polybutylene terephthalate resin composition comprising a fibrous reinforcing agent, a polybutylene terephthalate resin and a thermoplastic elastomer, or a modified polybutylene terephthalate resin composition comprising a modified polybutylene terephthalate resin composed of a copolymer of polybutylene terephthalate and isophthalic acid, containing 3 to 50% by mole of isophthalic acid component to the total amount of all the dicarboxylic acid components and a fibrous reinforcing agent and a metal (layer) having a finished finely uneven surface, integrally combined with the composition.Type: ApplicationFiled: December 18, 2008Publication date: October 14, 2010Applicant: Win Tech Polymer Ltd.Inventors: Yasumitsu Miyamoto, Nobuyuki Matsunaga
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Patent number: 7396428Abstract: A laser weldable PBT-series resin composition comprises a polybutylene terephthalate (PBT)-series resin (A), and at least one resin (B) selected from the group consisting of a polycarbonate-series resin (b1), a styrenic resin (b2), a polyethylene terephthalate-series resin (b3) and an acrylic resin (b4). The PBT-series resin (A) may be a PBT homopolyester, or a PBT-series copolymer modified with not more than 30 mol % of a copolymerizable monomer (e.g., a bisphenol compound or an adduct thereof with an alkylene oxide, and an asymmetrical aromatic dicarboxylic acid). The ratio (weight ratio) of the resin (B) relative to the PBT-series resin (A) [the former/the latter] is about 0.1/1 to 1.5/1. The resin composition may comprise a glass fiber. The resin composition is excellent in laser weldability, and can improve in welding strength of a shaped article formed from the resin composition.Type: GrantFiled: January 9, 2007Date of Patent: July 8, 2008Assignee: Win Tech Polymer LtdInventors: Mitsunori Matsushima, Kouichi Sakata, Katsunori Takayama
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Publication number: 20070135587Abstract: A laser weldable PBT-series resin composition comprises a polybutylene terephthalate (PBT)-series resin (A), and at least one resin (B) selected from the group consisting of a polycarbonate-series resin (b1), a styrenic resin (b2), a polyethylene terephthalate-series resin (b3) and an acrylic resin (b4). The PBT-series resin (A) may be a PBT homopolyester, or a PBT-series copolymer modified with not more than 30 mol % of a copolymerizable monomer (e.g., a bisphenol compound or an adduct thereof with an alkylene oxide, and an asymmetrical aromatic dicarboxylic acid). The ratio (weight ratio) of the resin (B) relative to the PBT-series resin (A) [the former/the latter] is about 0.1/1 to 1.5/1. The resin composition may comprise a glass fiber. The resin composition is excellent in laser weldability, and can improve in welding strength of a shaped article formed from the resin composition.Type: ApplicationFiled: January 9, 2007Publication date: June 14, 2007Applicant: Win Tech Polymer Ltd.Inventors: Mitsunori Matsushima, Kouichi Sakata, Katsunori Takayama