Abstract: A method for degrading an ester group-containing epoxy cured product includes performing a mixing step and performing a degradation step. The mixing step includes mixing the ester group-containing epoxy cured product with an aliphatic amine to form a degradation system. The degradation step includes placing the degradation system at a degradation temperature to degrade the ester group-containing epoxy cured product.

Abstract: A method for degrading an acid anhydride epoxy cured product includes performing a mixing step and performing a degradation step. In the mixing step, an acid anhydride epoxy cured product is mixed with an alcohol amine compound so as to form a degradation system. In the degradation step, the degradation system is heated to a degradation temperature so that the acid anhydride epoxy cured product is degraded into a polyol.

Abstract: A manufacturing method of an aminolyzable benzoxazine resin cured product includes performing a mixing step and performing a curing step. In the mixing step, a benzoxazine resin and a phenolic compound are melting and uniformly mixed, so as to obtain a resin composition, wherein the phenolic compound is configured for promoting the curing of the benzoxazine resin. In the curing step, the resin composition is heated to a curing temperature to form an aminolyzable benzoxazine resin cured product, wherein the curing temperature is 160° C. to 230° C.

Abstract: A polycarbonate oligomer has unsaturated double bonds. The polycarbonate oligomer has a structure as represented by formula (I). The structure does not contain a high-polarity alcohol group, can be cured by means of a free radical polymerization reaction, and has application potential in products such as a high-frequency circuit board. In addition, the polycarbonate oligomer can be copolymerized with a currently widely used polyphenylene ether resin, and the cured product can have good electrical characteristics and heat resistance, which can provide a balanced solution for developing a high-order material and environmental protection.

Abstract: A polyimide oligomer and a preparation method therefor, and a cured product having low-dielectric properties prepared therefrom. The polyimide oligomer has a structure as represented by formula (I) or formula (II), and the symbols in formula (I) and formula (II) are as defined in the description. Therefore, a dimer diamine is used to match a specific monomer and a ratio is adjusted, so as to prepare a free-radical-curable polyimide oligomer; and same has good thermal properties and excellent low-dielectric properties after being cured, so as to be used in the industry of high-frequency circuit boards.

Abstract: A carbonate-containing epoxy resin and a manufacturing method for a carbonate-containing epoxy resin, an epoxy cured product and a method for degrading an epoxy cured product are provided. The carbonate-containing epoxy resin includes a structure represented by formula (I) or formula (II). Formula (I) and formula (II) are defined as in the specification.

Abstract: A method for manufacturing an unsaturated polyester resin includes alcoholysis step, etherification step, condensation step and dilution step as follows. In alcoholysis step, a polycarbonate, a diol compound and an organic alkaline catalyst are mixed and heated to an alcoholysis temperature to obtain a first mixture. In etherification step, a carbonate compound is added to the first mixture and the first mixture and the carbonate compound are maintained at an etherification temperature to obtain a second mixture. In condensation step, the second mixture is cooled and a dianhydride or diacid monomer is added, and the second mixture and the dianhydride or diacid monomer are heated to a condensation temperature to obtain a third mixture. In dilution step, the third mixture is cooled to a dilution temperature, and a styrene or acrylic monomer is added to dilute it to a predetermined solid content to obtain an unsaturated polyester resin.

Abstract: A method for recovering polyol from a polyurethane waste includes: subjecting the polyurethane waste to degradation using a degradation agent, and then removing the degradation agent to obtain a degradation product including an amine compound and a polyol compound; subjecting the degradation product and a treatment agent represented by Formula (I) to a reaction to obtain a reaction solution including a reaction product and the polyol compound, the reaction product being formed by reacting the amine compound in the degradation product with the treatment agent, the reaction product being in a liquid form at 20° C. to 40° C.; and subjecting the reaction solution to distillation to remove an unreacted portion of the treatment agent, thereby obtaining a polyol mixture including the reaction product and the polyol compound, wherein each of the substituents in Formula (I) is given the definitions as set forth in the Specification and Claims.

Abstract: A carbonate-epoxy copolymer includes a structure represented by formula (I), of which each symbol is defined in the specification. A curable carbonate composition includes the aforementioned carbonate-epoxy copolymer, a solvent, a first catalyst, a second catalyst, and an epoxy material. A manufacturing method of forming a carbonate-containing thermoset includes the steps as follows. The aforementioned curable carbonate composition is provided. A promoter is added into the curable carbonate composition to form a mixture. The mixture is heated to a curing temperature.

Abstract: The original abstract is amended to “A carbonate-containing unsaturated compound and a preparation method for a carbonate-containing unsaturated compound, a cured product and a method for degrading a cured product are provided. The carbonate-containing unsaturated compound includes a structure represented by formula (I) or formula (II). Formula (I) and formula (II) are defined as in the specification.

Abstract: A polycarbonate oligomer and a manufacturing method for the polycarbonate oligomer, a curable composition, an epoxy crosslinked product and a method for degrading the epoxy crosslinked product by aminolysis are provided. The polycarbonate oligomer includes a structure represented by formula (I), and formula (I) is defined as in the specification.

Abstract: The present disclosure provides a silicone-modified dicyclopentadiene-derived hydroxy aromatic compound, which includes a structure represented by formula (I). Formula (I) is defined as in the specification. The present disclosure further provides a manufacturing method for a silicone-modified dicyclopentadiene-derived hydroxy aromatic compound and a curable product, wherein the curable product is obtained by mixing the silicone-modified dicyclopentadiene-derived hydroxy aromatic compound and a modified polyphenylene oxide resin, and then adding a peroxide to perform a curing reaction.

Abstract: A carbonate-containing epoxy resin and a manufacturing method for a carbonate-containing epoxy resin, an epoxy curable product and a method for degrading an epoxy curable product are provided. The carbonate-containing epoxy resin includes a structure represented by formula (I) or formula (II). Formula (I) and formula (II) are defined as in the specification.

Abstract: The present disclosure provides a silicone-modified dicyclopentadiene-derived hydroxy aromatic compound, which includes a structure represented by formula (I). Formula (I) is defined as in the specification. The present disclosure further provides a manufacturing method for a silicone-modified dicyclopentadiene-derived hydroxy aromatic compound and a curable product, wherein the curable product is obtained by mixing the silicone-modified dicyclopentadiene-derived hydroxy aromatic compound and a modified polyphenylene oxide resin, and then adding a peroxide to perform a curing reaction.

Abstract: An alkoxy amine compound is provided, which has a chemical structure of: wherein each of R1 is independently H, C1-6 alkyl group, or C1-6 alkoxy group; R2 is C1-6 alkyl group, R3 is —(CxH2x)—OH or —(CxH2x+1), and x is 1 to 8; R4 is H or C1-6 alkyl group; R5 is and R6 is H or C1-8 alkyl group; R7 is H or C1-6 alkyl group, R8 is Ini is a residual group of a radical initiator; and n is an integer of 1 to 10000.

Abstract: An alkoxy amine compound is provided, which has a chemical structure of: wherein each of R1 is independently H, C1-6 alkyl group, or C1-6 alkoxy group; R2 is C1-6 alkyl group, R3 is —(CxH2x)—OH or —(CxH2x+1), and x is 1 to 8; R4 is H or C1-6 alkyl group; R5 is and R6 is H or C1-8 alkyl group; R7 is H or C1-6 alkyl group, R8 is Ini is a residual group of a radical initiator; and n is an integer of 1 to 10000.

Abstract: A screen of green has a base, a supporting seat, at least one supporting pillar, and a platform. The at least one supporting pillar is erectly mounted on the base. The supporting seat is movably mounted on the at least one supporting pillar and is above the base. The platform has multiple grids and is mounted on the supporting seat. The screen of green kit is utilized to grow a vine and to support the fruit of the vine.