Abstract: A biomass-based thermoplastic polyurethane is provided. The biomass-based thermoplastic polyurethane is a reaction product of a composition. The composition includes 1-50 parts by weight of a modified lignin, 50-99 parts by weight of a first polyol, and 40-60 parts by weight of a diisocyanate. The modified lignin has an OH value of less than 3.0 mmol/g. The sum of the modified lignin and the first polyol is 100 parts by weight.

Abstract: A bio-polyol composition and a bio-polyurethane foam are provided. The bio-polyol composition includes polyol, a surface-modified lignin, and a surfactant represented by formula 1. wherein R is represented by CnH2n+1, n is an integer of 0 to 3; x/y is between 5 and 13; a is an integer of 1 to 100; b is an integer of 1 to 100.

Abstract: A method of forming a thermal insulation porous film includes mixing 100 parts by weight of polysilsesquioxane-containing polymer, 20 to 75 parts by weight of surfactant, and 20 to 2000 parts by weight of solvent to form a thermal insulation coating material, wherein the polysilsesquioxane-containing polymer in the thermal insulation coating material is tube-shaped or sheet-shaped. The thermal insulation coating material is coated on a substrate, and then dried and sintered to form a thermal insulation porous film.

Abstract: A bio-polyol composition and a bio-polyurethane foam material are provided. By using the modifier and applying the dispersing and grinding process, the modified lignin is uniformly dispersed in the polyol solution and a bio-polyol composition is obtained. The obtained bio-polyol composition may be used to prepare the bio-polyurethane foam material with a high lignin content, a high compression strength and superior flame-resistance.

Abstract: The embodiments of the present disclosure provide a coating composition, including: polysilsesquioxane polymer modified organic resin represented by Formula (1): Wherein, R1 is C3-12 epoxy group, C3-12 acrylate group, C3-12 alkylacryloxy group, C3-12 aminoalkyl group, C3-12 isocyanate-alkyl group, C3-12 alkylcarboxylic acid group, C3-12 alkyl halide group, C3-12 mercaptoalkyl group, C3-12 alkyl group, or C3-12 alkenyl group; R2 is half oxygen(O1/2), hydroxyl group, C1-8 alkyl group, or C1-8 alkoxy group; R3 is halide group, C1-8 alkyl halide group, C1-8 alkoxy group, C1-12 alkyl group, or C5-20 aromatic ring; R4 is hydrogen or C1-8 alkyl group; R5 is modified or unmodified carbonyl compound moiety; n is a positive integer from 1 to 200; m is a positive integer from 10 to 500, and s is an integer from 0 to 250.

Abstract: A method of forming a lignin-based biomass epoxy resin is provided, which includes: (a) mixing a lignin, an acid anhydride compound, and a solvent to react for forming a first intermediate product, (b) reacting the first intermediate compound with a first polyol to form a second intermediate compound, and (c) reacting the second intermediate compound with an epoxy compound to form a lignin-based biomass epoxy resin.

Abstract: A method for forming an inorganic passivation material is provided. The method includes mixing about 5 to 80 parts by weight of trialkoxysilane, about 10 to 80 parts by weight of tetraalkoxysilane, and about 1 to 30 parts by weight of catalyst to perform a reaction at pH of about 0.05 to 4 to form an inorganic resin material. The inorganic resin material is modified by phosphate ester to form an inorganic passivation material, wherein phosphate ester is about 0.1-10 parts by weight based on 100 parts by weight of the inorganic resin material. An inorganic passivation material and a passivation protective film produced therefrom are also provided.

Abstract: A resin composition formed by reacting a polyester-polyacid oligomer with a poly-epoxy oligomer is provided. The functionality of the resin composition is between 4 and 10. The weight average molecular weight of the resin composition is between 3,000 and 20,000 g/mol.

Abstract: A method of manufacturing a hydrophobic antifouling coating material, including: (a) mixing a sol-gel precursor, water, an aqueous colloidal silica suspension, and a catalyst to perform a sol-gel reaction to form a solution having particles therein, wherein the sol-gel reaction is performed without addition of any organic solvent; (b) chemically modifying the particles with a hydrophobic agent to form surface-modified particles; and (c) adding a surfactant to the solution containing the surface-modified particles to form a hydrophobic antifouling coating material. The hydrophobic antifouling coating material can be dispersed in an aqueous solution, and has properties such as low VOC (Volatile organic compound) value, high solid content, and high stability.

Abstract: A bio-polyol composition and a bio-polyurethane foam are provided. The bio-polyol composition includes polyol, a surface-modified lignin, and a surfactant represented by formula 1. wherein R is represented by CnH2n+1, n is an integer of 0 to 3; x/y is between 5 and 13; a is an integer of 1 to 100; b is an integer of 1 to 100.

Abstract: A method of manufacturing a hydrophobic material is provided, which includes: (a) mixing a sol-gel precursor, water, and catalyst to perform a sol-gel reaction for forming a solution having particles therein, (b) modifying the particles with a hydrophobic agent to form surface-modified particles, (c) adding a small-molecular surfactant to the solution containing the surface-modified particles to form a first dispersion, (d) mixing a resin, a water soluble polymer, and water to form a second dispersion, and (e) mixing the first dispersion and the second dispersion to obtain a hydrophobic material.

Abstract: A transformer assembly structure includes a transformer and a carrying seat. The transformer includes a bobbin, a winding coil assembly and a magnetic core assembly. The winding coil assembly includes a primary winding coil and a secondary winding coil. The carrying seat includes a main body and a first lateral wing. The main body has an edge. The first lateral wing includes a first positioning structure. The edge of the main body of the carrying seat is located at an inner side of an outer edge of the magnetic core assembly. The outlet part of the primary winding coil is managed and positioned by the first positioning structure.

Abstract: A resin composition formed by reacting a polyester-polyacid oligomer with a poly-epoxy oligomer is provided. The functionality of the resin composition is between 4 and 10. The weight average molecular weight of the resin composition is between 3,000 and 20,000 g/mol.

Abstract: A method of forming a lignin-based biomass epoxy resin is provided, which includes: (a) mixing a lignin, an acid anhydride compound, and a solvent to react for forming a first intermediate product, (b) reacting the first intermediate compound with a first polyol to form a second intermediate compound, and (c) reacting the second intermediate compound with an epoxy compound to form a lignin-based biomass epoxy resin.

Abstract: A method of manufacturing a hydrophobic antifouling coating material, including: (a) mixing a sol-gel precursor, water, an aqueous colloidal silica suspension, and a catalyst to perform a sol-gel reaction to form a solution having particles therein, wherein the sol-gel reaction is performed without addition of any organic solvent; (b) chemically modifying the particles with a hydrophobic agent to form surface-modified particles; and (c) adding a surfactant to the solution containing the surface-modified particles to form a hydrophobic antifouling coating material. The hydrophobic antifouling coating material can be dispersed in an aqueous solution, and has properties such as low VOC (Volatile organic compound) value, high solid content, and high stability.

Abstract: A bio-polyol composition and a bio-polyurethane foam material are provided. By using the modifier and applying the dispersing and grinding process, the modified lignin is uniformly dispersed in the polyol solution and a bio-polyol composition is obtained. The obtained bio-polyol composition may be used to prepare the bio-polyurethane foam material with a high lignin content, a high compression strength and superior flame-resistance.

Abstract: A method for forming an inorganic passivation material is provided. The method includes mixing about 5 to 80 parts by weight of trialkoxysilane, about 10 to 80 parts by weight of tetraalkoxysilane, and about 1 to 30 parts by weight of catalyst to perform a reaction at pH of about 0.05 to 4 to form an inorganic resin material. The inorganic resin material is modified by phosphate ester to form an inorganic passivation material, wherein phosphate ester is about 0.1-10 parts by weight based on 100 parts by weight of the inorganic resin material. An inorganic passivation material and a passivation protective film produced therefrom are also provided.

Abstract: A transformer assembly structure includes a transformer and a carrying seat. The transformer includes a bobbin, a winding coil assembly and a magnetic core assembly. The winding coil assembly includes a primary winding coil and a secondary winding coil. The carrying seat includes a main body and a first lateral wing. The main body has an edge. The first lateral wing includes a first positioning structure. The edge of the main body of the carrying seat is located at an inner side of an outer edge of the magnetic core assembly. The outlet part of the primary winding coil is managed and positioned by the first positioning structure.

Abstract: A transformer includes a bobbin, a winding coil assembly, a magnetic core assembly, and a bracket. The bobbin includes a supporting part and a winding part. The winding coil assembly includes a primary winding coil and a secondary winding coil. The secondary winding coil has an outlet part. The primary winding coil and the secondary winding coil are wound around the winding part of the bobbin. The magnetic core assembly includes a first magnetic core and a second magnetic core. The bobbin is arranged between the first magnetic core and the second magnetic core. The bracket is connected with the supporting part of the bobbin for assisting in positioning the outlet part of the secondary winding coil.

Abstract: A transformer includes a bobbin, a winding coil assembly, a magnetic core assembly, and a bracket. The bobbin includes a supporting part and a winding part. The winding coil assembly includes a primary winding coil and a secondary winding coil. The secondary winding coil has an outlet part. The primary winding coil and the secondary winding coil are wound around the winding part of the bobbin. The magnetic core assembly includes a first magnetic core and a second magnetic core. The bobbin is arranged between the first magnetic core and the second magnetic core. The bracket is connected with the supporting part of the bobbin for assisting in positioning the outlet part of the secondary winding coil.