Patents Assigned to TSRC Corporation
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Publication number: 20250091267Abstract: The present invention provides a manufacturing method for a stopper used in medical containers, the stopper having a septum and a housing supporting the septum, the manufacturing method comprising firstly creating the septum using a first molding process with a thermoplastic elastomer composition; then creating the housing using a second molding process with a plastic composition, by the second molding process the septum being pre-compressed in a radial direction perpendicular to a needle penetration direction of the septum; and subjecting the stopper to a steam sterilization, wherein after the septum experiences the steam sterilization, the septum exhibits a residual pre-compression level of 12% to 30% in the radial direction compared to when the septum is uncompressed, and the residual pre-compression level is measured based on a thickness or average diameter of the septum.Type: ApplicationFiled: September 13, 2024Publication date: March 20, 2025Applicant: TSRC CorporationInventors: Yuanpang Samuel Ding, Chien-Liang Chou, Ching-Han Kuo, Pang-Hsuan Lin
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Publication number: 20240166789Abstract: The present invention provides a conjugated diene based rubber comprising a conjugated diene based copolymer comprising at least two conjugated diene monomer units and optionally comprising a vinyl aromatic hydrocarbon monomer unit, wherein the conjugated diene based copolymer comprises a first block composed of a first conjugated diene monomer unit and the vinyl aromatic hydrocarbon monomer unit or a second conjugated diene monomer unit, the second conjugated diene monomer unit being distinct from the first conjugated diene monomer unit, the first block being random; and a second block, comprising at least the second conjugated diene monomer unit and optionally comprising the vinyl aromatic hydrocarbon monomer unit, wherein the first block is connected to the second block, and the amount of the vinyl aromatic hydrocarbon monomer units or the second conjugated diene monomer units is at least 35 wt % of the first block.Type: ApplicationFiled: November 17, 2023Publication date: May 23, 2024Applicant: TSRC CorporationInventors: Chun-Lin Chen, Yun-Ta Lee
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Patent number: 11718771Abstract: The present invention provides a polymer composition for fibers or non-woven fabrics, comprising a vinyl aromatic based copolymer and 0 to 30 wt % of an olefin based polymer based on the total weight of the polymer composition. The vinyl aromatic copolymer is represented by a formula A1-B-A2, wherein block A1 and block A2 are the same or different vinyl aromatic blocks, block A1 or block A2 having 3,800 to 4,800 of a peak molecular weight, and block B is a hydrogenated conjugated diene block. A vinyl structure content of a conjugated diene monomer content in the vinyl aromatic based copolymer is from 32 wt % to 50 wt %; and a melt flow index (MFI) of the vinyl aromatic based copolymer is 20 g/10 min˜60 g/10 min (230° C., 2.16 kg). The present invention also provides the fibers or the non-woven fabrics made from the polymer composition.Type: GrantFiled: November 6, 2020Date of Patent: August 8, 2023Assignee: TSRC CorporationInventors: Tai-Yi Shiu, Feng-Yu Yang, Yu-Chuan Tsai, Der-Kai Sun, Ching Ting
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Patent number: 11208505Abstract: A catalyst composition for selectively hydrogenating a conjugated diene polymer in a homogeneous system is provided, wherein the conjugated diene polymer comprises a conjugated diene monomer or a combination of a conjugated diene monomer and a vinyl aromatic monomer. The catalyst composition includes the catalyst components of (a) a titanium compound; (b) an organometallic compound; and (c) an oligomer containing a polyglycol segment. The hydrogenated polymer produced using the catalyst composition and the method thereof is also provided.Type: GrantFiled: February 17, 2020Date of Patent: December 28, 2021Assignee: TSRC CorporationInventors: Kuoyu Weng, Fengyu Yang, Wenhsien Wen, Ching Ting, Ting-Yu Lee
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Patent number: 10934382Abstract: The present invention provides a conjugated diene polymer, formulations, and manufacturing methods for the same. The present invention provides a conjugated diene polymer obtained by polymerizing conjugated diene monomers and vinyl aromatic monomers using an initiator by way of an anionic polymerization, the conjugated diene polymer comprising a plurality of blocks having more than 6 consecutive vinyl aromatic units, wherein a vinyl aromatic monomer content of the plurality of blocks having more than 6 consecutive vinyl aromatic units is less than 5 wt % based on a total vinyl aromatic monomer content of the conjugated diene polymer. The present invention also provides formulations for preparing the conjugated diene polymer and the manufacturing methods for the same.Type: GrantFiled: October 8, 2018Date of Patent: March 2, 2021Assignee: TSRC CorporationInventors: Juin-Meng Yu, Chin-Wei Chiou, Kun-Yi Chen, Adel Farhan Halasa
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Patent number: 10844143Abstract: The present invention provides a modified rubber containing silicon and phosphorus, and a composition and manufacturing method thereof. The present invention provides the modified rubber structured as formula (1), wherein X is selected from a C1-C12 alkylene group, a C2-C12 alkenylene group, a C3-C12 alicyclic group, and a C6-C12 aromatic group; and A1, A2, A3, Y, and Z are each independently selected from an alkyl group, an alkoxy group, a halide group, and a conjugated diene rubber, wherein the conjugated diene rubber is a polymer composed of a conjugated diene monomer or the conjugated diene monomer with a vinyl aromatic monomer, A1, A2, A3, Y, and Z are the same or different from each other, and at least one of A1, A2, A3, Y, and Z is the conjugated diene rubber.Type: GrantFiled: October 8, 2018Date of Patent: November 24, 2020Assignee: TSRC CorporationInventors: Chun-Lin Chen, Yun-Ta Lee, Adel Farhan Halasa
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Patent number: 10787547Abstract: A thermoplastic elastomer composition for crosslinked foam and the manufacturing method thereof are provided. The thermoplastic elastomer composition comprising (A) an ethylene-based copolymer; (B) a first copolymer; (C) a second copolymer, wherein the component (B) and (C) are copolymers comprising a vinyl aromatic monomer and a conjugated diene monomer, the first copolymer having a conjugated diene hydrogenation rate of at least 80% and the second copolymer having a conjugated diene hydrogenation rate of no more than 10%; (D) an organic peroxide; and (E) a foaming agent, wherein a mass ratio (A/(B+C)) of the component (A) to a combination of the component (B) and the component (C) is 95/5 to 5/95; and a mass ratio (B/C) of the component (B) to the component (C) is 9/1 to 1/9. A crosslinked foam made from the composition and the manufacturing method thereof are also provided.Type: GrantFiled: January 24, 2018Date of Patent: September 29, 2020Assignee: TSRC CorporationInventors: Ching Ting, Wen-Hsien Wen, Feng-Yu Yang, Hsuan-Tsung Lin, Ying-Pin Tu
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Patent number: 10590209Abstract: A catalyst composition for selectively hydrogenating a conjugated diene polymer in a homogeneous system is provided, wherein the conjugated diene polymer comprises a conjugated diene monomer or a combination of a conjugated diene monomer and a vinyl aromatic monomer. The catalyst composition includes the catalyst components of (a) a titanium compound; (b) an organometallic compound; and (c) an oligomer containing a polyglycol segment. The hydrogenated polymer produced using the catalyst composition and the method thereof is also provided.Type: GrantFiled: November 28, 2017Date of Patent: March 17, 2020Assignee: TSRC CorporationInventors: Kuoyu Weng, Fengyu Yang, Wenhsien Wen, Ching Ting, Ting-Yu Lee
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Patent number: 9963585Abstract: The present invention provides polymer compositions containing a block copolymer having a formula A-B-A, wherein the block A is a vinyl aromatic block and the block B is a hydrogenated conjugated diene block, and compounds made from the polymer compositions. The block copolymer exhibits excellent flow characteristics, which allow it to be molded or extruded to isotropic articles. The present invention also provides films and molded articles therefrom.Type: GrantFiled: July 24, 2015Date of Patent: May 8, 2018Assignee: TSRC CorporationInventors: Dale Lee Handlin, Jr., Chun Yu Cheng
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Patent number: 9561465Abstract: An ecosystem operated in a plant having a drying unit is provided. The ecosystem includes: a regenerative thermal oxidization unit for processing a waste gas to produce a hot gas; a first hot gas pipeline connected to the regenerative thermal oxidization unit and the drying unit, wherein the hot gas is transferred from the regenerative thermal oxidization unit to the drying unit via the first hot gas pipeline; a heat recovery unit disposed at the first hot gas pipeline to absorb heat from the first hot gas pipeline; an absorption refrigeration unit connected to a target to be cooled; and a hot liquid pipeline connected to the heat recovery unit and the absorption refrigeration unit, wherein the heat recovery unit transfers heat from the first hot gas pipeline to the absorption refrigeration unit via the hot liquid pipeline to actuate the absorption refrigeration unit to cool the target.Type: GrantFiled: November 29, 2013Date of Patent: February 7, 2017Assignee: TSRC CorporationInventors: Jung Chang Lu, Cheng Hsien Lin, Sheng-Te Yang
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Patent number: 9260537Abstract: A method of forming modified conjugated diene rubber includes (a) reacting an alkali metal ion-containing conjugated diene rubber with a first modifier having a structural formula (I), wherein R1, R2, R3 are each independently selected from the group consisting of C1-C12 of alkyl and C2-C12 of alkenyl groups and C6-C12 of aromatic group, and R4 is selected from the group consisting of C1-C12 of alkyl, C2-C12 of alkenyl, C1-C12 of alkoxy groups and C6-C12 of aromatic group; and (b) adding a second modifier having a structural formula (II) after (a), HO—R5—Y??(II) wherein R5 is selected from the group consisting of C1-C12 of alkylene, C2-C12 of alkenylene, C3-C12 of alicyclic groups and C6-C12 of aromatic group, and Y is selected from the group consisting of oxygen-containing C1-C12 group and nitrogen-containing, C1-C12 group, wherein Y has the oxygen atom or the nitrogen atom directly connected to a carbon atom of R5.Type: GrantFiled: October 18, 2012Date of Patent: February 16, 2016Assignee: TSRC CorporationInventors: Chi-Chen Hsieh, Fu Lin, Chi-Ta Tsai, Hui-Kai Lin, Bo-Han Lin
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Patent number: 9260593Abstract: A modified conjugated diene rubber is disclosed. A method for producing the modified conjugated diene rubber includes providing an alkali metal ion-containing conjugated diene rubber; and reacting the alkali metal ion-containing conjugated diene rubber with an alkoxysilane to generate the modified conjugated diene rubber, the alkoxysilane being of the structural formula: wherein R1, R2, R3 are each independently selected from a group consisting of oxygen-containing C2-C12 group and nitrogen-containing C3-C12 group, the oxygen-containing C2-C12 group has a carbon atom directly connected to oxygen atom of the alkoxysilane, the nitrogen-containing C1-C12 group has a nitrogen atom directly connected to oxygen atom of the alkoxysilane, and R4 is selected from a group consisting of C3-C12 of alkyl, alkenyl, aryl, and alkoxy.Type: GrantFiled: September 7, 2012Date of Patent: February 16, 2016Assignee: TSRC CorporationInventors: Chi-Chen Hsieh, Fu Lin, Chi-Ta Tsai, Hui-Kai Lin, Bo-Han Lin
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Patent number: 9051396Abstract: The present invention discloses a method for partially hydrogenating polymer. The method comprises providing a polymer having at least one vinyl aromatic block; and hydrogenating the polymer in presence of a heterogeneous catalyst on a support selected from the group consisting of BaSO4, Al2O3, TiO2, ZrO2, active carbon and any combination thereof to obtain a hydrogenated polymer. The hydrogenated polymer comprises at least one hydrogenated vinyl aromatic block having a carbon ring linking with a backbone of the hydrogenated polymer, wherein the average weight percent of the hydrogenated vinyl aromatic block(s) having only one and two double bonds on the carbon ring is between 1-30 wt % based on the total weight of the hydrogenated polymer.Type: GrantFiled: August 27, 2010Date of Patent: June 9, 2015Assignee: TSRC CorporationInventors: Hung Chieh Hou, Man-Yin Lo
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Publication number: 20150093297Abstract: An ecosystem operated in a plant having a drying unit is provided. The ecosystem includes: a regenerative thermal oxidization unit for processing a waste gas to produce a hot gas; a first hot gas pipeline connected to the regenerative thermal oxidization unit and the drying unit, wherein the hot gas is transferred from the regenerative thermal oxidization unit to the drying unit via the first hot gas pipeline; a heat recovery unit disposed at the first hot gas pipeline to absorb heat from the first hot gas pipeline; an absorption refrigeration unit connected to a target to be cooled; and a hot liquid pipeline connected to the heat recovery unit and the absorption refrigeration unit, wherein the heat recovery unit transfers heat from the first hot gas pipeline to the absorption refrigeration unit via the hot liquid pipeline to actuate the absorption refrigeration unit to cool the target.Type: ApplicationFiled: November 29, 2013Publication date: April 2, 2015Applicant: TSRC CorporationInventors: Jung Chang Lu, Cheng Hsien Lin, Sheng-Te Yang
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Patent number: 8993685Abstract: A method for hydrogenating a polymer containing vinyl aromatic block and the hydrogenated polymer are provided. The method includes providing a polymer having at least one vinyl aromatic block; and hydrogenating the polymer in presence of a heterogeneous catalyst on a support, wherein the heterogeneous catalyst consists essentially of Ru, Zn and B, or Ru, Zn and P.Type: GrantFiled: October 31, 2012Date of Patent: March 31, 2015Assignee: TSRC CorporationInventors: Chih-Wei Hsu, Hung-Chieh Hou, Man Yin Lo
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Patent number: 8927657Abstract: The present invention discloses a method for producing an epoxidized polymer. The method comprises the steps of: (1) providing a polymer solution containing a polymer having a conjugated diene group; (2) providing a catalyst solution dissolved in the polymer solution, the catalyst solution containing a transition metal ion and a ligand for bonding to the transition metal ion, the transition metal ion being selected from the group consisting of Ti, Mn, V, Mo, W and any combination thereof; and (3) epoxidizing double bonds of the conjugated diene group to produce the epoxidized polymer by providing an epoxidizing agent dissolved in the polymer solution containing the catalyst solution, wherein the epoxidizing agent is meta-chloroperoxybenzoic acid (mCPBA) or analogs thereof.Type: GrantFiled: September 30, 2011Date of Patent: January 6, 2015Assignee: TSRC CorporationInventors: Chih-Wei Hsu, Hung-Chieh Hou
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Patent number: 8778485Abstract: The present invention provides an elastic multi-layer film including an oil-resistant layer consisting essentially of thermoplastic polyurethane; and a tie layer consisting essentially of a grafted polymer. The elastic multi-layer film is formed by co-extruding melted resins of the oil-resistant layer and the tie layer. The present invention further provides an elastic article including the elastic multi-layer film and thermoplastic elastomer gel, wherein the elastic article is formed by incorporation of the elastic multi-layer film and thermoplastic elastomer gel using in-molding labeling and injection method.Type: GrantFiled: December 29, 2011Date of Patent: July 15, 2014Assignees: TSRC Corporation, Industrial Technology Research InstituteInventors: Tzer-Shun Yu, Yen-Hsia Wang, Kuang-Cheng Chen, Dan-Cheng Kong
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Patent number: 8481649Abstract: A coupled copolymer is provided. The coupled copolymer is coupled by reacting a silane coupling agent with a copolymer, where the copolymer is polymerized by a conjugated diene monomer and a vinyl aromatics monomer, and the silane coupling agent has an alkenyl group and a alkoxy group, and has a chemical Formula (I) as follows: where R1 and R4 are alkyl groups; R3 is a group having an alkenyl group; R5 is one of an alkyl and an alkenyl groups; q is one of “1” and “0”; when q=0, then k=j=0, 1?n?3, 0?m?2, m+n=3, and R2 is alkoxy group; and when q=1, then k+j=3, R2 is —(CH2)r, r=1-6 and m+n=3.Type: GrantFiled: April 6, 2010Date of Patent: July 9, 2013Assignee: TSRC CorporationInventors: Chi-Chen Hsieh, Chih-Kuang Tsai, Yen-Hsian Li, Ming-Cheng Chiu
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Patent number: 8461246Abstract: The present invention provides a mixture of conjugated diene-vinyl aromatic hydrocarbon copolymers and an adhesive having the same. The mixture of conjugated diene-vinyl aromatic hydrocarbon copolymers comprises 10 to 45 wt. % of a conjugated diene-vinyl aromatic hydrocarbon di-block copolymer, 10 to 45 wt. % of a conjugated diene-vinyl aromatic hydrocarbon tapered di-block copolymer and 10 to 80 wt. % of a conjugated diene-vinyl aromatic multi-block copolymer.Type: GrantFiled: April 28, 2010Date of Patent: June 11, 2013Assignee: TSRC CorporationInventors: Kung-Hsi Chan, Tsung Hsin Chen, Tai Wen Chiu
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Patent number: 8058356Abstract: The present invention relates to a method for manufacturing a substantially hydrogenated vinyl aromatic/conjugated diene block copolymer, which has a hydrogenation level of greater than 90 percent. The resulting substantially hydrogenated vinyl aromatic/conjugated diene block copolymer has advantageous physical properties suitable for use in discs, optical films, light guide plates, etc.Type: GrantFiled: February 10, 2009Date of Patent: November 15, 2011Assignee: TSRC CorporationInventors: Huan-Chun Kao, Sheng-Te Yang, Hung-Chieh Hou, Chung-Ming Tsai