Patents by Inventor Wen-Chung Liang
Wen-Chung Liang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11840656Abstract: The disclosure provides a forming method of a halogen-free flame-retardant material. The method includes the followings. A twin-screw extruder including a first zone and a second zone is used. A mixture in the first zone is mixed, melted and heated to form a molten mixture. The mixture includes a halogen-free flame retardant, a wear-resistant modifier, a thermoplastic elastomer, and an antioxidant. In addition, a silane-modified nano-silica aqueous suspension is introduced into the second zone to mix the silane-modified nano-silica aqueous suspension with the molten mixture from the first zone. The first zone and the second zone are continuously connected regions.Type: GrantFiled: November 5, 2021Date of Patent: December 12, 2023Assignee: Industrial Technology Research InstituteInventors: Wen-Chung Liang, Chi-Lang Wu, Chen-Yu Huang
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Publication number: 20230203250Abstract: A foam and a foaming composition are provided. The foam includes a composite material and a plurality of foam cells, wherein the foam cells are disposed in the composite material. The composite material includes a modified sulfur-containing polymer and a fluorine-containing polymer fiber, wherein a degree of orientation as defined by the ratio I110/I200 is from 1.0 to 1.3, wherein I110 is the X-ray diffraction peak intensity of (110) planes of the modified sulfur-containing polymer and I200 is the X-ray diffraction peak intensity of (200) planes of the modified sulfur-containing polymer.Type: ApplicationFiled: December 28, 2021Publication date: June 29, 2023Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ying-Chieh CHAO, Yun-Cheng CHUNG, Chin-Lang WU, Shihn-Juh LIOU, Sheng-Lung CHANG, Wen-Chung LIANG
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Publication number: 20230145884Abstract: The disclosure provides a forming method of a halogen-free flame-retardant material. The method includes the followings. A twin-screw extruder including a first zone and a second zone is used. A mixture in the first zone is mixed, melted and heated to form a molten mixture. The mixture includes a halogen-free flame retardant, a wear-resistant modifier, a thermoplastic elastomer, and an antioxidant. In addition, a silane-modified nano-silica aqueous suspension is introduced into the second zone to mix the silane-modified nano-silica aqueous suspension with the molten mixture from the first zone. The first zone and the second zone are continuously connected regions.Type: ApplicationFiled: November 5, 2021Publication date: May 11, 2023Applicant: Industrial Technology Research InstituteInventors: Wen-Chung Liang, Chi-Lang Wu, Chen-Yu Huang
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Patent number: 11434334Abstract: A composite material and a foam prepared from the composite material are provided. The composite material includes a network polymer, a fluorine-containing polymer fiber, and a reinforcement fiber. The polymer network is a crosslinking reaction product of a polymer and an oligomer, wherein the polymer is polyamide, polyester, polyurethane, or a combination thereof, and the oligomer is a vinyl aromatic-co-acrylate oligomer with an epoxy functional group. The oligomer has a weight percentage of 1% to 10%, based on the weight of the network polymer. The ratio of the weight of the reinforcement fiber to the total weight of the network polymer and the fluorine-containing polymer fiber is from 1:9 to 4:6.Type: GrantFiled: December 31, 2019Date of Patent: September 6, 2022Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Shun Wen Cheng, Sheng-Lung Chang, Chin-Lang Wu, Ying-Chieh Chao, Shihn-Juh Liou, Wen-Chung Liang
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Publication number: 20210198438Abstract: A composite material and a foam prepared from the composite material are provided. The composite material includes a network polymer, a fluorine-containing polymer fiber, and a reinforcement fiber. The polymer network is a crosslinking reaction product of a polymer and an oligomer, wherein the polymer is polyamide, polyester, polyurethane, or a combination thereof, and the oligomer is a vinyl aromatic-co-acrylate oligomer with an epoxy functional group. The oligomer has a weight percentage of 1% to 10%, based on the weight of the network polymer. The ratio of the weight of the reinforcement fiber to the total weight of the network polymer and the fluorine-containing polymer fiber is from 1:9 to 4:6.Type: ApplicationFiled: December 31, 2019Publication date: July 1, 2021Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Shun Wen CHENG, Sheng-Lung CHANG, Chin-Lang WU, Ying-Chieh CHAO, Shihn-Juh LIOU, Wen-Chung LIANG
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Patent number: 10815336Abstract: A branched polymer, a preparation method thereof and a method for preparing a foam are provided. The branched polymer is a transesterification product of a composition, and the composition includes 100 parts by weight of polyethylene terephthalate and 0.5-2.0 parts by weight of polyol. The branched polymer has an inherent viscosity of from 1.2 dL/g to 1.6 dL/g, a number average molecular weight of from 75,000 g/mol to 90,000 g/mol, a polydispersity index from 3.0 to 6.0, a melt index from 0.8 g/10 min to 7.5 g/10 min, a shear viscosity from 800 Pa·s to 1900 Pa·s, and a melt strength from 30 cN to 80 cN.Type: GrantFiled: December 22, 2017Date of Patent: October 27, 2020Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-An Wu, Wen-Chung Liang, Chin-Lang Wu, Shihn-Juh Liou
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Publication number: 20190010278Abstract: A branched polymer, a preparation method thereof and a method for preparing a foam are provided. The branched polymer is a transesterification product of a composition, and the composition includes 100 parts by weight of polyethylene terephthalate and 0.5-2.0 parts by weight of polyol. The branched polymer has an inherent viscosity of from 1.2 dL/g to 1.6 dL/g, a number average molecular weight of from 75,000 g/mol to 90,000 g/mol, a polydispersity index from 3.0 to 6.0, a melt index from 0.8 g/10 min to 7.5 g/10 min, a shear viscosity from 800 Pa·s to 1900 Pa·s, and a melt strength from 30 cN to 80 cN.Type: ApplicationFiled: December 22, 2017Publication date: January 10, 2019Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-An WU, Wen-Chung LIANG, Chin-Lang WU, Shihn-Juh LIOU
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Publication number: 20160101544Abstract: A method for manufacturing a foam shoe material includes the following steps. (a) A plate prototype is formed, wherein the plate prototype is composed of thermoplastic polyurethane. (b) The plate prototype is foamed by a supercritical fluid to form a foam shoe material including a plurality of microporous structures and an average aperture of the microporous structures is smaller than 100 micrometers.Type: ApplicationFiled: October 7, 2015Publication date: April 14, 2016Inventors: Hann-Neng DAY, Sheng-Jung HSIAO, Chih-Chun TSAO, Wen-Chung LIANG, Shihn-Juh LIOU, Chih-Lang WU
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Patent number: 8796542Abstract: An encapsulant material with enhanced light reflectivity, a crystalline silicon photovoltaic module and a thin film photovoltaic module are provided. The encapsulant material has a porous structure therein, and an average pore diameter of the porous structure is between several hundreds of nanometers and several hundreds of micrometers, so that the light reflectance of the encapsulant material is improved. Moreover, the encapsulant material is crosslinked by a physical or chemical crosslinking method, so heat resistance thereof is improved. Therefore, the encapsulant material is suitable for the crystalline silicon photovoltaic module and the thin film photovoltaic module, so as to increase power conversion efficiency of these modules.Type: GrantFiled: September 9, 2009Date of Patent: August 5, 2014Assignee: Industrial Technology Research InstituteInventors: Lee-May Huang, Cheng-Yu Peng, Wen-Chung Liang, Chun-Heng Chen
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Publication number: 20100147363Abstract: An encapsulant material with enhanced light reflectivity, a crystalline silicon photovoltaic module and a thin film photovoltaic module are provided. The encapsulant material has a porous structure therein, and an average pore diameter of the porous structure is between several hundreds of nanometers and several hundreds of micrometers, so that the light reflectance of the encapsulant material is improved. Moreover, the encapsulant material is crosslinked by a physical or chemical crosslinking method, so heat resistance thereof is improved. Therefore, the encapsulant material is suitable for the crystalline silicon photovoltaic module and the thin film photovoltaic module, so as to increase power conversion efficiency of these modules.Type: ApplicationFiled: September 9, 2009Publication date: June 17, 2010Applicant: Industrial Technology Research InstituteInventors: Lee-May Huang, Cheng-Yu Peng, Wen-Chung Liang, Chun-Heng Chen