Abstract: An aqueous acrylic resin with high heat resistance, a polymeric composition, and a method for preparing the aqueous acrylic resin with high heat resistance are provided. The polymeric composition includes a monomer composition and a reactive emulsifier. Based on 100 wt % of the monomer composition, the monomer composition includes at least one alkyl group containing methyl acrylate, at least one carboxyl group containing methacrylic acid, an alkene-based unsaturated group containing methyl acrylate, a hydroxyl group containing acrylic polyester polyol and/or a hydroxyl group containing acrylic polyether polyol, and an alkoxysilane.

Abstract: An unsaturated polyester resin composition with low styrene volatility and a molding article thereof are provided. The unsaturated polyester resin composition of includes: 30 to 60 parts by weight of unsaturated polyester resin and 2 to 30 parts by weight of comonomer, and the comonomer includes: (a) methyl styrene, (b) hydroxy acrylate monomer and (c) diallyl phthalate monomer, and the weight ratio of the content (a), (b), and (c) is 6:3:1 in the comonomer.

Abstract: An infrared reflective material, a method for producing the same, and an infrared reflective structure are provided. The method includes a preparation step implemented by mixing antimony and zirconium tungstate through a sol-gel manner to form zirconium tungstate composite powders doped with the antimony; a sintering step implemented by sintering the antimony and the zirconium tungstate in the zirconium tungstate composite powders doped with the antimony in a temperature gradient within a range from 500° C. to 1,100° C. for a predetermined time period, so that the antimony and the zirconium tungstate in the zirconium tungstate composite powders doped with the antimony bond together to form into composite tungsten oxide powders; a grinding step implemented by grinding the composite tungsten oxide powders; and a mixing step implemented by mixing the composite tungsten oxide powders that are grinded into an acrylic resin to form the infrared reflective material.

Abstract: A curing agent composition and a curing agent coating formula thereof are provided. The curing agent composition includes 5 to 25 wt % of an ester group-containing amine end group adduct, 2 to 25 wt % of a C8-C22 hydrophobic saturated or unsaturated fatty amine, 2 to 25 wt % of a polyamine compound, 2 to 20 wt % of a silane compound, and 10 to 60 wt % of an ether solvent.

Abstract: A curing agent and method for producing the same are provided, the method includes: esterification reaction: reacting a polyhydric alcohol with a polybasic acid anhydride to obtain an ester-based emulsifier (A); chain extension reaction: reacting an ester-based emulsifier (A) with a bifunctional epoxy resin to obtain a polymer intermediate (B); and reacting the polymer intermediate (B) with a polyamine compound to obtain a curing agent (C).

Abstract: A polyurethane resin and a method for producing the same are provided. The method includes a first polymer forming step implemented by reacting a first polyether polyol and an isocyanate to form a first polymer, a second polymer forming step implemented by reacting the first polymer and a second polyether polyol to form a second polymer, and a blocking step implemented by adding a blocking agent into the second polymer to form the polyurethane resin. A hydroxyl functionality of the first polyether polyol is less than a hydroxyl functionality of the second polyether polyol. A usage amount ratio of a usage amount of the first polyether polyol to a usage amount of the second polyether polyol to a usage amount of the blocking agent is within a range from 35:59:6 to 27:70:3. A degree of crosslinking of the polyurethane resin is within a range from 2.2 to 2.5.

Abstract: A water-based polyurethane resin and a method for manufacturing the same are provided. The method for manufacturing the water-based polyurethane includes: a preparation step of a prepolymer, a dilution step of the prepolymer, a water dispersion and chain extension step, and an acrylic synthesis step. The method further includes mixing polyol and polyisocyanate to obtain a prepolymer, and diluting the prepolymer by adding acrylic monomer in the prepolymer. In the water-based polyurethane resin, at least one of the polyhydric alcohol, polyisocyanate, and the acrylic monomer includes a compound with a cyclic structure.

Abstract: Provided are a preparation method of an ion catalyst material for PET chemical recycling and a PET chemical recycling method. The preparation method of an ion catalyst material for PET chemical recycling includes the following. A metal chloride is added to an alkylimidazole-chloride ionic liquid to form a bisalkylimidazole-metal tetrachloride ionic liquid that is grafted on a porous carrier.

Abstract: An ionic liquid catalyst and a method for manufacturing the same are provided. The ionic liquid catalyst includes a carrier. The carrier contains nickel ferrite as a component, and an outer surface of the carrier is modified to have a decolorant and a degradation agent. The decolorant is grafted onto nickel atoms of the carrier, and the degradation agent is grafted onto iron atoms of the carrier. The method includes: providing the carrier that contains nickel ferrite as a component; and modifying the carrier, so that the nickel atoms of the carrier are grafted with the decolorant and the iron atoms of the carrier are grafted with the degradation agent. Accordingly, the ionic liquid catalyst is obtained.

Abstract: An antibacterial modified polyurethane resin is provided. The antibacterial modified polyurethane resin includes a polyurethane resin and an antibacterial modifying agent grafted on the polyurethane resin. The antibacterial modifying agent has formula (I) as follows: R1 is a substituent of —(CH2)a—, R2 is a substituent of —(CH2)bCH3—, a is a positive integer that is greater than or equal to 3, and b is a positive integer that is greater than or equal to 12. The antibacterial modifying agent has three methoxyl groups, at least two of the three methoxyl groups bond to the polyurethane resin through covalent bonds. In the antibacterial modified polyurethane resin, a chloride ion of the antibacterial modifying agent is configured to be ionized, so that a nitrogen atom is configured to be positively charged to attract a bacteria in an environment.

Abstract: A water-based acrylic resin and a method for producing the same are provided. The water-based acrylic resin includes a polymerizable composition. The polymerizable composition includes deionized water, a reactive emulsifier, a first acrylic monomer, a second acrylic monomer, a third acrylic monomer, a fourth acrylic monomer, and an acrylic polyol. The reactive emulsifier is a nonylphenyl-free reactive emulsifier. The first acrylic monomer is an alkyl-containing (meth)acrylate. The second acrylic monomer is a hydroxyl-containing (meth)acrylate. The third acrylic monomer is a carboxyl-containing (meth)acrylate. The fourth acrylic monomer is an ethylenically-unsaturated-functional-groups-containing (meth)acrylate. The acrylic polyol is one or both of a hydroxyl-containing polyester acrylic polyol and a hydroxyl-containing polyether acrylic polyol.

Abstract: A polyimide copolymer, a polyimide film, and a manufacturing method of the polyimide film are provided. The polyimide copolymer includes a plurality of repeating units represented by a following formula (I) and a plurality of repeating units represented by a following formula (II). A structural formula of a substituent R1 is shown as follows: A structural formula of a substituent R2 is shown as follows: In addition, the polyimide copolymer has a weight average molecular weight (Mw) of between 30,000 and 200,000.

Abstract: A polylactic acid fiber is provided. The polylactic acid fiber includes a first polylactic acid material and a second polylactic acid material. The first polylactic acid material is encapsulated by the second polylactic acid material. Based on a total volume of the polylactic acid fiber being 100%, a volume of the second polylactic acid material is at least 20%. The second polylactic acid material includes 15 wt % to 85 wt % of poly(D-lactic acid) and 15 wt % to 85 wt % of poly(L-lactic acid).

Abstract: A pavement laying method and a polyurethane pavement coating are provided. The pavement laying method includes: providing a solid particle material; mixing a polyester polyol material and an isocyanate material into the solid particle material to form a mixed slurry; and laying the mixed slurry onto a pavement and solidifying the mixed slurry, so as to form a polyurethane pavement coating on the pavement. In addition, at least one of the polyester polyol material and the isocyanate material is derived from biomass resources.

Abstract: A biodegradable additive, a biodegradable polyester fiber and a method for producing the same, and a biodegradable fabric are provided. The biodegradable additive includes a polyester resin material and a biodegradable resin material. The biodegradable resin material is at least one material selected from the group consisting of polybutylene succinate (PBS), polybutylene adipate terephthalate (PBAT), polycaprolactone (PCL), polylactic acid (PLA), and derivatives thereof. In the biodegradable additive, a content range of the polyester resin material is between 40 wt % and 80 wt %, and a content range of the biodegradable resin material is between 20 wt % and 60 wt %.

Abstract: A thermoplastic polyurethane elastomer fiber and a method for manufacturing the same, and a fabric thereof are provided. The method for manufacturing the thermoplastic polyurethane elastomer fiber includes steps as follows. A thermoplastic polyurethane elastomer particle having a Shore hardness ranging from 45D to 80D is provided. The thermoplastic polyurethane elastomer particle is melted to manufacture the thermoplastic polyurethane elastomer fiber.

Abstract: A polymeric composition, aqueous acrylic resin having high solvent resistance and a method for manufacturing the same, are provided. The polymeric composition includes an acrylic monomer polymer, an epoxy-containing silane and a reactive emulsifier. A weight ratio of the acrylic monomer polymer, the epoxy-containing silane and the reactive emulsifier is 100:1:3. The epoxy-containing silane is 1 to 3 wt % of (3-glycidoxypropyl) trimethoxy silane and/or 1 to 3 wt % of (3-glycidoxy propyl) methyl diethoxy silane.

Abstract: An infrared reflective material, a method for producing the same, and an infrared reflective structure are provided. The method includes a preparation step implemented by mixing antimony and zirconium tungstate through a sol-gel manner to form zirconium tungstate composite powders doped with the antimony; a sintering step implemented by sintering the antimony and the zirconium tungstate in the zirconium tungstate composite powders doped with the antimony in a temperature gradient within a range from 500° C. to 1,100° C. for a predetermined time period, so that the antimony and the zirconium tungstate in the zirconium tungstate composite powders doped with the antimony bond together to form into composite tungsten oxide powders; a grinding step implemented by grinding the composite tungsten oxide powders; and a mixing step implemented by mixing the composite tungsten oxide powders that are grinded into an acrylic resin to form the infrared reflective material.

Abstract: A water-based polyurethane resin and a method for manufacturing the same are provided. The method for manufacturing the water-based polyurethane includes: a preparation step of a prepolymer, a dilution step of the prepolymer, a water dispersion and chain extension step, and an acrylic synthesis step. The method further includes mixing polyol and polyisocyanate to obtain a prepolymer, and diluting the prepolymer by adding acrylic monomer in the prepolymer. In the water-based polyurethane resin, at least one of the polyhydric alcohol, polyisocyanate, and the acrylic monomer includes a compound with a cyclic structure.

Abstract: An unsaturated polyester resin composition with low styrene volatility and a molding article thereof are provided. The unsaturated polyester resin composition of includes: 30 to 60 parts by weight of unsaturated polyester resin and 2 to 30 parts by weight of comonomer, and the comonomer includes: (a) methyl styrene, (b) hydroxy acrylate monomer and (c) diallyl phthalate monomer, and the weight ratio of the content (a), (b), and (c) is 6:3:1 in the comonomer.