Abstract:
The present disclosure provides a method for forming an inorganic polymer material, including mixing 10 to 80 parts by weight of tetraalkoxysilane and 10 to 80 parts by weight of trialkoxysilane to form a mixture; and performing a reaction at pH of 0 to 4 by adding 5 to 30 parts by weight of a catalyst to the mixture to form an inorganic polymer material.
Abstract:
The disclosure provides a coating composition, a film made of the coating composition, and method for preparing the coating composition. The coating composition includes a product prepared from cross-linking a (a) polysilsesquioxane with a (b) compound with the structure represented by Formula (I): wherein R is independently a hydroxyl group, or C1-8 alkoxy group, R1 is a 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, and R2 is a hydroxyl group, C1-8 alkyl group, or C1-8 alkoxy group.
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 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:
Disclosed are methods for manufacturing bio-based epoxy resins. The raw materials of the resins include lignin, polyol, solvent, catalyst, acid anhydride, and multi-epoxy compound. The methods of manufacturing the resins include evenly mixing the lignin, the polyol, the catalyst, and the solvent together to form a mixture. The acid anhydride is added to the mixture to process esterification for forming an intermediate product. The multi-epoxy compound is added to the intermediate product to process epoxidation for forming the bio-based epoxy resins. The bio-based epoxy resin has excellent compatibility with the solvent, such that the solvent can be added to the bio-based epoxy resins to form coatings having a tunable solid content. As a result, the coating can be applied to the surfaces of every type of base material.