Patents Assigned to Daxin Materials Corporation
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Patent number: 11912827Abstract: A poly(imide-ester-amide) copolymer and an optical film are provided. The poly(imide-ester-amide) copolymer includes imide bonds, ester bonds, and amide bonds. A molar ratio of the imide bonds, the ester bonds, and the amide bonds is 40 to 80:10 to 30:5 to 30. The imide bonds are derived from an aromatic diamine monomer and a tetracarboxylic dianhydride monomer. The amide bonds are derived from an aromatic dicarboxylic acid dichloride monomer and an aromatic diamine monomer or is derived from the aromatic dicarboxylic acid dichloride monomer and an alkoxysilane containing an amine group or an isocyanate group.Type: GrantFiled: February 5, 2020Date of Patent: February 27, 2024Assignee: Daxin Materials CorporationInventors: Guan-Ping Chen, Min-Tzu Kao
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Patent number: 11794381Abstract: A laser-debondable composition includes an acrylic resin, a light-shielding material, an additive, and a solvent. Wherein, the acrylic resin includes at least one nitrogen-containing organic group selected from a group consisting of tertiary amino groups and secondary amino groups, an organic group having a cyclic ether group, and an organic group having a hydroxyl group, and the additive includes at least one adhesion promoter. The laser-debondable composition has excellent adhesion ability to a substrate, attachability, and solvent resistance.Type: GrantFiled: January 20, 2021Date of Patent: October 24, 2023Assignee: DAXIN MATERIALS CORPORATIONInventors: Shih-Yun Chiu, Cheng-Wei Lee, Chi-Yen Lin
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Patent number: 11739269Abstract: An additive, liquid-crystal composition and a liquid-crystal display using the additive are provided. The additive includes a first additive molecule having a structure represented by formula (I): wherein Ri1, Ri2, Ri3, Ai1, Ai2, Zi, m1 and m2 are defined as in the specification.Type: GrantFiled: January 22, 2020Date of Patent: August 29, 2023Assignee: DAXIN MATERIALS CORPORATIONInventors: Chung-Hsien Wu, Wan-Yu Yang, Yi-Chun Lin, Chun-Chih Wang
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Patent number: 11459506Abstract: An additive includes an additive molecule having a structure represented by formula (I): wherein R1, A1, A2, Z1, K1, n1, and n2 are defined as in the specification.Type: GrantFiled: January 22, 2020Date of Patent: October 4, 2022Assignee: DAXIN MATERIALS CORPORATIONInventors: Chung-Hsien Wu, Yi-Chun Lin, Chun-Chih Wang
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Patent number: 11430989Abstract: An anode active material of a lithium-ion battery is provided. The active material of the anode of the lithium-ion battery includes silicon, tin and copper-zinc alloy, in which tin is substantially in an elemental state. Moreover, an anode of a lithium-ion battery is provided. The anode of the lithium-ion battery includes the active material as mentioned above.Type: GrantFiled: December 19, 2019Date of Patent: August 30, 2022Assignee: Daxin Materials CorporationInventors: Jui-Shen Chang, Yun-Shan Lo, Kuo-Cheng Huang
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Publication number: 20220206394Abstract: An alkaline cleaning composition is provided. The alkaline cleaning composition includes an alkaline compound, 5% to 40% by weight of propylene glycol monomethyl ether, 10% to 30% by weight of water, and a polar solvent. Wherein, the polar solvent includes acetals, glycol ethers, pyrrolidones, or a combination thereof, and the alkaline cleaning composition is free of benzenesulfonic acid.Type: ApplicationFiled: December 23, 2021Publication date: June 30, 2022Applicant: Daxin materials corporationInventors: Hui-yi Tang, Tzu-chi Wang, Yu-nung Chen, Yi-cheng Chen
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Publication number: 20210122881Abstract: A poly(imide-ester-amide) copolymer and an optical film are provided. The poly(imide-ester-amide) copolymer includes imide bonds, ester bonds, and amide bonds. A molar ratio of the imide bonds, the ester bonds, and the amide bonds is 40 to 80:10 to 30:5 to 30.Type: ApplicationFiled: February 5, 2020Publication date: April 29, 2021Applicant: Daxin Materials CorporationInventors: Guan-Ping Chen, Min-Tzu Kao
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Publication number: 20210079146Abstract: A polyolefin derivative and a composite material are provided. The polyolefin derivative is formed by reacting a modified polyolefin and an amine compound, wherein the modified polyolefin is formed by grafting a maleic anhydride onto a polyolefin. The amine compound includes a polyether amine and an alkylamine. Based on 100 parts by mole of the maleic anhydride group in the modified polyolefin, a reacting amount of the alkylamine is 1 part by mole to 40 parts by mole.Type: ApplicationFiled: March 25, 2020Publication date: March 18, 2021Applicant: Daxin Materials CorporationInventors: Ming-Tsung Tsai, Cheng-Hung Lee, Wei-Yao Lai
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Publication number: 20200392290Abstract: A poly(amide-imide) copolymer, a composition for a thin film, and a thin film are provided. The poly(amide-imide) copolymer is synthesized by polymerization, dehydration cyclization, and hydrolysis condensation of an aromatic diamine monomer, a diacyl chloride monomer, a tetracarboxylic dianhydride monomer, and a silane compound having an alkoxy group as an end-capping agent. The aromatic diamine monomer includes 2,2?-bis(trifluoromethyl)benzidine. Based on a usage amount of 100 mol % of the aromatic diamine monomer, a usage amount of the 2,2?-bis(trifluoromethyl)benzidine is 70 mol % or more.Type: ApplicationFiled: December 24, 2019Publication date: December 17, 2020Applicant: Daxin Materials CorporationInventors: Guan-Ping Chen, Dian-Cing Lin, Min-Tzu Kao
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Patent number: 10703945Abstract: A method for temporary bonding workpiece includes steps as follows. A combining step is performed, wherein an adhesive layer is formed on a surface of at least one substrate and/or at least one workpiece. A bonding step is performed, wherein the substrate and the workpiece are bonded by the adhesive layer. A processing step is performed, wherein the workpiece is processed. A debonding step is performed, wherein the adhesive layer is irradiated with a laser so as to separate the workpiece from the substrate. The adhesive layer is formed by an adhesive, the adhesive includes a polymer and a light absorbing material, a content of the polymer in a solid content of the adhesive is in a range of 50 wt % to 98 wt %, a content of the light absorbing material in the solid content of the adhesive is in a range of 2 wt % to 50 wt %.Type: GrantFiled: April 24, 2019Date of Patent: July 7, 2020Assignee: Daxin Materials CorporationInventors: Chi-Yen Lin, Cheng-Wei Lee, Chun-Hung Huang, Hou-Te Lu, Yuan-Li Liao
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Patent number: 10113116Abstract: A liquid crystal compound and a composition employing the same are provided. The liquid crystal compound has a structure represented by Formula (I) wherein R1, A1, A2, A3, A4, Z1, Z2, Z3, Z4, X, m, n, o, and p are defined as in the description.Type: GrantFiled: January 27, 2016Date of Patent: October 30, 2018Assignee: DAXIN MATERIALS CORPORATIONInventors: Chih-Yuan Lo, Hsin-Cheng Liu, Guo-Yu Lan, Chun-Chih Wang
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Patent number: 9598639Abstract: Liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal devices employing the same are provided. The liquid-crystal compound has a structure of Formula (I): wherein R1 is hydrogen, C1-10 alkyl, or C2-10 alkenyl; R2 is, C2-10 alkenyl, or C2-10 fluoroalkenyl, in which one or two nonadjacent —CH2— is replaced by —O—, or C2-10 ether; A1, A2, A3, and A4 are independently R3 is independently hydrogen, or halogen; Z1, Z2, and Z3 are independently single bond, —CH2—, —(CH2)2—, —(CH2)4—, —CH2O—, —OCH2—, —CF?CF—, —(CH2)2CF2O—, —(CH2)2OCF2—, —OCF2(CH2)2—, —CF2O(CH2)2—, —COO—, —OCO—, —CF2O—, —OCF2—, —C?C—, —CH?CH—, —CH?CH—(CH2)2—, or —(CH2)2—CH?CH—; and n and m are independently 1 or 0.Type: GrantFiled: July 22, 2015Date of Patent: March 21, 2017Assignee: DAXIN MATERIALS CORPORATIONInventors: Ching-Tien Lee, Hsin-Cheng Liu, Chun-Chih Wang, Wan-Yu Huang, Tian-Meng Jiang, Hui-Qiang Tian, Li-Long Gao
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Patent number: 9464233Abstract: Provided is a siloxane-containing trianhydride having a structure shown in formula 1: wherein R1 to R7, D1 to D3, and each G are as defined in the specification.Type: GrantFiled: March 6, 2015Date of Patent: October 11, 2016Assignee: Daxin Materials CorporationInventors: Po-Yang Wang, Yi-Chun Lin, Min-Ruei Tsai
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Patent number: 8741176Abstract: A liquid crystal compound with high optical anisotropy is provided. The liquid crystal compound is represented by formula (I), wherein each of R1 and R2 represents an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 2 to 10 carbon atoms; the alkyl group and the alkenyl group are unsubstituted or substituted by —O—, —CO—, or —COO— groups; each of X1, X2, X3, and X4 represents hydrogen or fluorine, and at least one of X1, X2, X3, and X4 is fluorine; m is 1, 2, or 3; n is 0, 1, or 2, and 2?m+n?3.Type: GrantFiled: March 9, 2012Date of Patent: June 3, 2014Assignee: Daxin Materials CorporationInventors: Chun-Chih Wang, Chin-Yen Chang, Yu-Ying Hsieh
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Patent number: 8545946Abstract: A liquid crystal alignment solution is provided, including at least one polymer selected from the group consisting of a polyamide acid-polyamide acid polymer represented by formula (A), a polyimide-polyamide acid polymer represented by formula (B) and a polyimide-polyimide polymer represented by formula (C), as defined in the contexts.Type: GrantFiled: March 25, 2010Date of Patent: October 1, 2013Assignee: Daxin Materials CorporationInventors: Min-Ruei Tsai, Wen-Chung Chu, Chia-Wen Chang, Ming-Chih Lai
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Publication number: 20120264984Abstract: A liquid crystal compound with high optical anisotropy is provided. The liquid crystal compound is represented by formula (I), wherein each of R1 and R2 represents an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 2 to 10 carbon atoms; the alkyl group and the alkenyl group are unsubstituted or substituted by —O—, —CO—, or —COO— groups; each of X1, X2, X3, and X4 represents hydrogen or fluorine, and at least one of X1, X2, X3, and X4 is fluorine; m is 1, 2, or 3; n is 0, 1, or 2, and 2?m+n?3.Type: ApplicationFiled: March 9, 2012Publication date: October 18, 2012Applicant: DAXIN MATERIALS CORPORATIONInventors: Chun-Chih Wang, Chin-Yen Chang, Yu-Ying Hsieh
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Patent number: 8217135Abstract: Purification methods of polyamic acid resin and polyimide resin are provided. The purification methods of polyamic acid resin or polyimide resin includes providing a polyamic acid resin or a polyimide resin containing metal ion impurities. Thereafter, a cation exchange resin is used to react with the polyamic acid resin or the polyimide resin in order to remove the metal ion impurities therein, and a water content in the polyamic acid resin or the polyimide resin is removed to purify the polyamic acid resin or polyimide resin.Type: GrantFiled: December 30, 2010Date of Patent: July 10, 2012Assignee: Daxin Materials CorporationInventor: Min-Ruei Tsai
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Publication number: 20120132854Abstract: A LC compound and a LC mixture are provided. The LC mixture includes a compound represented by (I) and at least one compound selected from a group consisting of compounds represented by (II) to (IV): in which X1 is F, —Cl, —CF3, or —OCF3; R, R11, and R12 are independently H, a C1-C15 alkyl group, or a C2-C15 alkenyl group; A1 is 1,4-phenylene; A11, A12, A13, and A14 are independently selected from a group consisting of 1,4-phenylene, 1,4-cyclohexylene, and 2,5-tetrahydropyranylene; at least one of A2, A3, and A4 is 2,5-indanylene, and the others are independently selected from a group consisting of 1,4-phenylene, 1,4-cyclohexylene, and 2,5-tetrahydropyranylene; L1 is —F2CO—; Z11, Z12, and Z13 are independently a single bond, —O—, —F2CO—, or —COO—; m is 1; n, o and p are independently 0, 1, 2 or 3, and n+o+p?3.Type: ApplicationFiled: March 17, 2011Publication date: May 31, 2012Applicants: JIANGSU HECHENG CHEMICAL MATERIALS CO., LTD., DAXIN MATERIALS CORPORATIONInventors: Chun-Chih Wang, Wen-Chung Chu, Ren-Jie Chiou, Shi-Zhi You, Hong-Wei Zhang, Yu-Dong Tan
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Publication number: 20110160423Abstract: Purification methods of polyamic acid resin and polyimide resin are provided. The purification methods of polyamic acid resin or polyimide resin includes providing a polyamic acid resin or a polyimide resin containing metal ion impurities. Thereafter, a cation exchange resin is used to react with the polyamic acid resin or the polyimide resin in order to remove the metal ion impurities therein, and a water content in the polyamic acid resin or the polyimide resin is removed to purify the polyamic acid resin or polyimide resin.Type: ApplicationFiled: December 30, 2010Publication date: June 30, 2011Applicant: DAXIN MATERIALS CORPORATIONInventor: Min-Ruei Tsai
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Patent number: 7914863Abstract: A liquid crystal alignment solution is provided. The liquid crystal alignment solution includes a first polyimide-polyamide acid and a second polyimide-polyamide acid. The first polyimide-polyamide acid is represented by formula (A), and the second polyimide-polyamide acid is represented by formula (B), in which T1, T2, T3 and T4 are each independently a tetravalent residue of a tetracarboxylic acid dianhydride; D1, D2, D3 and D4 are each independently a divalent residue of a diamine; and m, n, p and q are each independently an positive integer, wherein m/(m+n)?0.5 and p/(p+q)?0.5.Type: GrantFiled: January 21, 2009Date of Patent: March 29, 2011Assignee: Daxin Material CorporationInventors: Ming-Chih Lai, Wen-Chung Chu, Chin-Wen Chang, Min-Ruei Tsai