Abstract: A poly(amide-imide) is provided. The poly(amide-imide) is represented by formula (1), wherein R is a C6 aryl group, a C7-C8 aralkyl group, a C2-C6 alkoxyalkyl group, or a C3-C18 alkyl group; and 0.02?X?0.5.

Abstract: A poly(amide-imide) is provided. The poly(amide-imide) is represented by formula (1), wherein R is a C6 aryl group, a C7-C8 aralkyl group, a C2-C6 alkoxyalkyl group, or a C3-C18 alkyl group; and 0.02?X?0.5.

Abstract: A meltblown nonwoven fabric is provided. The meltblown nonwoven fabric includes a plurality of meltblown fibers adhered to each other. The material of each of the meltblown fibers includes a polyetherimide and a polyimide, or the material of each of the meltblown fibers includes a polyphenylene sulfide and a polyimide, wherein the glass transition temperature of the polyimide is between 128° C. and 169° C., the 10% thermogravimetric loss temperature of the polyimide is between 490° C. and 534° C., and when the polyimide is dissolved in N-methyl-2-pyrrolidone and the solid content of the polyimide is 30 wt %, the viscosity of the polyimide is between 100 cP and 250 cP.

Abstract: A fabric is provided. The fabric includes a base cloth and a coating layer. The coating layer is disposed on the base cloth, and the coating layer includes a resin matrix and a temperature-regulating powder, wherein the content of the temperature-regulating powder ranges from 20 to 80 parts by weight based on 100 parts by weight of the resin matrix, and the material of the temperature-regulating powder includes modified polyaniline.

Abstract: A method of preparing a thermoplastic composition is provided. The method includes the following steps. A polyetherimide or a polyphenylene sulfide is provided. A polyimide is provided, wherein the glass transition temperature of the polyimide is between 128° C. and 169° C., the 10% thermogravimetric loss temperature of the polyimide is between 490° C. and 534° C., and when the polyimide is dissolved in N-methyl-2-pyrrolidone and the solid content of the polyimide is 30 wt %, the viscosity of the polyimide is between 100 cP and 250 cP. A melt process is performed to mix the polyetherimide and the polyimide or mix the polyphenylene sulfide and the polyimide to form a thermoplastic composition. Further, a thermoplastic composition is also provided.

Abstract: A temperature-responsive material having a structure represented by formula (I): is provided, where in formula (I), X has a structure represented by formula (i) or formula (ii): x and y are in a molar ratio of 9:1 to 1:3, n is an integer of 7 to 120, and m is an integer of 10 to 1,000.

Abstract: A preparation method of separation membrane is provided. First, a polyimide composition including a dissolvable polyimide, a crosslinking agent, and a solvent is provided. The dissolvable polyimide is represented by formula 1: wherein B is a tetravalent organic group derived from a tetracarboxylic dianhydride containing aromatic group, A is a divalent organic group derived from a diamine containing aromatic group, A? is a divalent organic group derived from a diamine containing aromatic group and carboxylic acid group, and 0.1?X?0.9. The crosslinking agent is an aziridine crosslinking agent, an isocyanate crosslinking agent, an epoxy crosslinking agent, a diamine crosslinking agent, or a triamine crosslinking agent. A crosslinking process is performed on the polyimide composition. The polyimide composition which has been subjected to the crosslinking process is coated on a substrate to form a polyimide membrane. A dry phase inversion process is performed on the polyimide membrane.

Abstract: A modified nylon 66 fiber including a first repeating unit derived from adipic acid and hexamethylenediamine, a second monomer unit derived from a diacid or a diamine having a long carbon chain, a third monomer unit derived from a diacid or a diamine having a aromatic ring, and a fourth monomer unit derived from a cyclic diacid or a cyclic diamine is provided. The second monomer unit has 6 to 36 carbon atoms. The third monomer unit has 8 to 14 carbon atoms. The fourth monomer unit has 6 to 10 carbon atoms. Based on a total weight of the modified nylon 66 fiber, a content of the first repeating unit is 78 wt % to 94.8 wt %, a content of the second monomer unit is 0.1 wt % to 1 wt %, a content of the third monomer unit is 5 wt % to 20 wt %, a content of the fourth monomer unit is 0.1 wt % to 1 wt %.

Abstract: A preparation method of separation membrane is provided. First, a polyimide composition including a dissolvable polyimide, a crosslinking agent, and a solvent is provided. The dissolvable polyimide is represented by formula 1: wherein B is a tetravalent organic group derived from a tetracarboxylic dianhydride containing aromatic group, A is a divalent organic group derived from a diamine containing aromatic group, A? is a divalent organic group derived from a diamine containing aromatic group and carboxylic acid group, and 0.1?X?0.9. The crosslinking agent is an aziridine crosslinking agent, an isocyanate crosslinking agent, an epoxy crosslinking agent, a diamine crosslinking agent, or a triamine crosslinking agent. A crosslinking process is performed on the polyimide composition. The polyimide composition which has been subjected to the crosslinking process is coated on a substrate to form a polyimide membrane. A dry phase inversion process is performed on the polyimide membrane.

Abstract: A radio frequency yarn module includes a first flexible substrate, a radio frequency assembly, and a first packaging adhesive. The first flexible substrate is strip shaped and has a thickness ranging from 40 ?m to 60 ?m. The radio frequency assembly is disposed on the first flexible substrate and includes a first conductive layer, a second conductive layer, and a radio frequency chip. Each of the first and the second conductive layers is disposed on the first flexible substrate and has a thickness ranging from 3 ?m to 10 ?m. Extending paths of the first and the second conductive layers are respectively same as extending paths of a first and a second portions of the first flexible substrate. The radio frequency chip is disposed on the first conductive layer and the second conductive layer. The first packaging adhesive covers the radio frequency assembly.

Abstract: A preparation method of separation membrane is provided. First, a polyimide composition including a dissolvable polyimide, a crosslinking agent and a solvent is provided. The dissolvable polyimide is represented by formula 1: wherein B is a tetravalent organic group derived from a tetracarboxylic dianhydride containing aromatic group, A is a divalent organic group derived from a diamine containing aromatic group, A? is a divalent organic group derived from a diamine containing aromatic group and carboxylic acid group, and 0.1?X?0.9. The crosslinking agent is an aziridine crosslinking agent, an isocyanate crosslinking agent, an epoxy crosslinking agent, a diamine crosslinking agent, or a triamine crosslinking agent. A crosslinking process is performed on the polyimide composition. The polyimide composition which has been subjected to the crosslinking process is coated on a substrate to form a polyimide membrane. A wet phase inversion process is performed on the polyimide membrane.

Abstract: A digital printing ink including chitosan, a surfactant, and a balance of a solvent is provided. The chitosan has a weight-average molecular weight of 200,000 to 300,000. The surfactant includes a polyglycol, an ethylene oxide, or a combination thereof. The digital printing ink has a viscosity of 2 cps to 12 cps, a surface tension of 28 dyne/cm to 40 dyne/cm, and a pH value of 6 to 8. A content of the chitosan is 5 wt. % to 10 wt. %, and a content of the surfactant is 2 wt. % to 5 wt. %, based on the total weight of the digital printing ink.

Abstract: A preparation method of separation membrane is provided. First, a polyimide composition including a dissolvable polyimide, a crosslinking agent and a solvent is provided. The dissolvable polyimide is represented by formula 1: wherein B is a tetravalent organic group derived from a tetracarboxylic dianhydride containing aromatic group, A is a divalent organic group derived from a diamine containing aromatic group, A? is a divalent organic group derived from a diamine containing aromatic group and carboxylic acid group, and 0.1?X?0.9. The crosslinking agent is an aziridine crosslinking agent, an isocyanate crosslinking agent, an epoxy crosslinking agent, a diamine crosslinking agent, or a triamine crosslinking agent. A crosslinking process is performed on the polyimide composition. The polyimide composition which has been subjected to the crosslinking process is coated on a substrate to form a polyimide membrane. A wet phase inversion process is performed on the polyimide membrane.

Abstract: A digital printing ink including a moisture absorption agent, a surfactant, an antifreeze agent, and a balance of a solvent is provided. The moisture absorption agent includes a block copolyester-ether. The surfactant includes a acrylic block copolymer. The antifreeze agent includes glycol. The digital printing ink has a viscosity of 2 cps to 12 cps, a surface tension of 28 dyne/cm to 40 dyne/cm, and a pH value of 6 to 8. A content of the moisture absorption agent is 5 wt. % to 11 wt. %, a content of the surfactant is 3 wt. % to 10 wt. %, and a content of the antifreeze agent is 3 wt. % to 5 wt. %, based on the total weight of the digital printing ink.

Abstract: A digital printing ink including a moisture absorption agent, a surfactant, an antifreeze agent, and a balance of a solvent is provided. The moisture absorption agent includes a block copolyester-ether. The surfactant includes a acrylic block copolymer. The antifreeze agent includes glycol. The digital printing ink has a viscosity of 2 cps to 12 cps, a surface tension of 28 dyne/cm to 40 dyne/cm, and a pH value of 6 to 8. A content of the moisture absorption agent is 5 wt. % to 11 wt. %, a content of the surfactant is 3 wt. % to 10 wt. %, and a content of the antifreeze agent is 3 wt. % to 5 wt. %, based on the total weight of the digital printing ink.

Abstract: A polyimide mixture including a polyimide and an amino-containing silica particle is provided. The polyimide includes a repeating unit represented by formula 1: wherein Ar includes and A includes The amino-containing silica particle is mixed with the polyimide, and is obtained by the hydrolysis condensation reaction of an alkoxysilane shown in formula 2 and an alkoxysilane shown in formula 3 in the presence of a catalyst: Si(OR1)4??formula 2, (NH2—Y)m—Si(OR2)4-m??formula 3, wherein in formula 2, R1 is a C1-C10 alkyl group; and in formula 3, Y is a C1-C10 alkyl group or a C2-C10 alkenyl group, R2 is a C1-C10 alkyl group, and m is an integer of 1 to 3.

Abstract: A preparation method of a fiber is provided. In the preparation method of the fiber, a polymer is dissolved in a mixing solution of an ionic liquid and a salt to form a spinning viscose, wherein the salt includes KCl, KBr, KOAc, NaBr, ZnCl2 or a combination thereof. Afterwards, the spinning viscose is used as a material to perform a spinning process so as to form a fiber.

Abstract: A poly(amide-imide) is provided. The poly(amide-imide) is represented by formula (1), wherein R is a C6 aryl group, a C7-C8 aralkyl group, a C2-C6 alkoxyalkyl group, or a C3-C18 alkyl group; and 0.02?X?0.5.

Abstract: A modified nylon 66 fiber including a first monomer derived from adipic acid and hexamethylenediamine, a second monomer derived from a diacid or a diamine having a long carbon chain, a third monomer derived from a diacid or a diamine having a aromatic ring, and a fourth monomer derived from a cyclic diacid or a cyclic diamine is provided. The second monomer has 6 to 36 carbon atoms. The third monomer has 8 to 14 carbon atoms. The fourth monomer has 6 to 10 carbon atoms. Based on a total weight of the modified nylon 66 fiber, a content of the first monomer is 78 wt % to 94.8 wt %, a content of the second monomer is 0.1 wt % to 1 wt %, a content of the third monomer is 5 wt % to 20 wt %, a content of the fourth monomer is 0.1 wt % to 1 wt %.

Abstract: A conductive textile is provided, including warp and weft, and the warp and the weft are interwoven. The warp includes a signal-transmitting unit, an electrical connecting unit, and at least a first warp conductive fiber. The signal-transmitting unit consists of a first signal-transmitting cable and a second signal-transmitting cable, which are intertwined. Each of the first signal-transmitting cable and the second signal-transmitting cable includes a central conductive fiber and an outer insulating layer. The electrical connecting unit consists of a first power cable and a second power cable. The first warp conductive fiber is disposed between the signal-transmitting unit and the electrical connecting unit. The weft includes a weft conductive fiber.