Abstract: The disclosure provides a decolorization and purification method of BHET material, which includes the following steps. A first dose of activated carbon is added to preliminarily treat the BHET material. After the preliminary treatment, a first cooling crystallization process and filtration are performed to obtain BHET crystals. Afterwards, an oxidant is used to chemically react with the BHET crystals to destroy a dye or impurities, and then a second dose of activated carbon is added to adsorb a chemically reacted oxide. Next, a second cooling crystallization process, filtration, and drying are performed to obtain a finished product of BHET.

Abstract: A low-dielectric rubber resin material and a low-dielectric metal substrate are provided. The rubber resin material includes a low-dielectric rubber resin composition and inorganic fillers. The low-dielectric rubber resin composition includes: 5 wt % to 40 wt % of a liquid rubber, 20 wt % to 70 wt % of a polyphenylene ether resin, 5 wt % to 30 wt % of a bismaleimide resin, and 20 wt % to 45 wt % of a crosslinker. A molecular weight of the liquid rubber ranges from 800 g/mol to 6000 g/mol. An iodine value of the liquid rubber ranges from 30 g/100 g to 60 g/100 g.

Abstract: A rubber resin material and a metal substrate are provided. The rubber resin material includes a resin composition and inorganic fillers. The inorganic fillers are uniformly dispersed in the resin composition. The resin composition includes: 10 wt % to 50 wt % of a liquid rubber, 20 wt % to 60 wt % of a polyphenylene ether resin, and 5 wt % to 60 wt % of a cyanate resin. The polyphenylene ether resin includes a polyphenylene ether that has a bismaleimide group at molecular ends thereof, a polyphenylene ether that has a methacrylate group at molecular ends thereof, a polyphenylene ether that has a styrene group at molecular ends thereof, or a combination thereof. The cyanate resin includes a bisphenol M type cyanate resin.

Abstract: A rubber resin material with high thermal conductivity and low dielectric properties and a metal substrate using the same are provided. The rubber resin material includes a rubber resin composition and at least one surface-modified inorganic filler. The rubber resin composition includes 30 wt % to 60 wt % of a liquid rubber, 10 wt % to 40 wt % of a polyphenylene ether resin, and 10 wt % to 40 wt % of a crosslinker. A molecular weight of the liquid rubber ranges from 2500 g/mol to 6000 g/mol. The at least one surface-modified inorganic filler has one or more modifying functional groups that are selected from the group consisting of an acrylic group, a functional group having a nitrogen-containing main or branched chain, a double bond-containing functional group, and an epoxy group.

Abstract: A protection tape includes a base film, an antistatic layer and an adhesive layer. The antistatic layer is located on the base film. The surface impedance of the antistatic layer is less than 1E+9?, and the antistatic layer includes a first resin and conductive materials dispersed in the first resin. The conductive materials include at least one of metal ions and carbon. The adhesive layer is located on a corona treated surface of the base film. The protection tape provided by the present disclosure has the advantage of having resistant to corona treatment.

Abstract: A low-dielectric substrate material and a metal substrate using the same are provided. The low-dielectric substrate material includes a rubber resin composition, at least one inorganic filler, and borosilicate-type hollow microparticles. The rubber resin composition includes 30 wt % to 60 wt % of a liquid rubber, 10 wt % to 40 wt % of a polyphenylene ether resin, and 10 wt % to 40 wt % of a crosslinker. A molecular weight of the liquid rubber ranges from 2500 g/mol to 6000 g/mol. The at least one inorganic filler is selected from the group consisting of magnesium oxide, aluminum oxide, silicon oxide, zinc oxide, aluminum nitride, boron nitride, silicon carbide, and aluminum silicate. An amount of the borosilicate-type hollow microparticles is not more than 10 phr relative to 100 phr of the rubber resin composition.

Abstract: A rubber resin material with a high thermal conductivity and a high dielectric constant and a metal substrate using the same are provided. The rubber resin material includes a rubber resin composition, at least one first inorganic filler, and at least one second inorganic filler. The rubber resin composition includes 30 wt % to 60 wt % of a liquid rubber, 10 wt % to 30 wt % of a polyphenylene ether resin, and 20 wt % to 40 wt % of a crosslinker. A molecular weight of the liquid rubber ranges from 2500 g/mol to 6000 g/mol. The at least one first inorganic filler is selected from the group consisting of aluminum oxide, boron nitride, magnesium oxide, zinc oxide, aluminum nitride, silicon carbide, and aluminum silicate. The at least one second inorganic filler is selected from the group consisting of silica, strontium titanate, calcium titanate, and titanium dioxide.

Abstract: A method for manufacturing polyester polyhydric alcohol is provided. The method for manufacturing the polyester polyhydric alcohol includes steps as follows. A polybasic acid and a first polyhydric alcohol are mixed for a first oligomerization reaction, so as to form a first oligomer mixture. A second polyhydric alcohol is added into the first oligomer mixture for a second oligomerization reaction when a remaining amount of the first polyhydric alcohol in the first oligomer mixture is lower than or equal to 1 mol %, so as to form a second oligomer mixture. A catalyst is added into the second oligomer mixture for a polycondensation reaction, so as to obtain a polyester polyhydric alcohol product. The polyester polyhydric alcohol product has an Alpha value of lower than 30.

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: A polymer film for storing fruits and vegetables includes a first polymer resin material, a second polymer resin material, and an inorganic nano powder material. The first polymer resin material has a first molecular weight. The second polymer resin material has a second molecular weight. The first molecular weight is less than the second molecular weight. The first polymer resin material and the second polymer resin material are blended with each other according to a predetermined weight ratio so that the polymer film has a gas penetration rate between 3.5 g/m2/day to 35 g/m2/day. The inorganic nano powder material includes zinc oxide (ZnO). The inorganic nano powder material is dispersed in the first polymer resin material and the second polymer resin material in a plurality of granular forms, and an average particle size of the inorganic nano powder material is between 50 nm and 200 nm.

Abstract: A manufacturing method of a polyester film for being embossed with a laser-engraved pattern is provided. The manufacturing method includes the steps of forming a polyester material into an unstretched polyester film in a multi-layered co-extrusion manner and stretching the unstretched polyester film in a machine direction and a transverse direction to form a biaxially stretched polyester film. The unstretched polyester film includes a substrate layer and at least one surface layer on the substrate layer. The at least one surface layer includes a polyester-based copolymer that includes 85 to 95 mol % of terephthalic acid residues, 5 to 15 mol % of isophthalic acid, 35 to 74 mol % of ethylene glycol residues, 1 to 15 mol % of neopentyl glycol residues, and 25 to 50 mol % of 1,4-butanediol residues.

Abstract: A polypropylene film used in a cooking bag is provided. The polypropylene film used in the cooking bag is co-extruded to form a three-layered structure, and includes two outer layers and a middle layer arranged therebetween. Each of the outer layers includes a propylene random copolymer, and the propylene random copolymer is formed by aggregation of a propylene monomer and an ethylene monomer. The middle layer includes a propylene block polymer and an ethylene elastomer. The propylene block polymer includes a propylene monomer and an ethylene-propylene polymer, and the ethylene-propylene polymer is dispersed in the propylene monomer to form a sea-island structure. After the polypropylene film used in the cooking bag is placed in an environment having a temperature of 135° C. for 30 minutes, a haze of the polypropylene film used in the cooking bag is less than or equal to 10%.

Abstract: A plasticizer and a method for manufacturing the plasticizer are provided. The method includes steps as follow. A dicarboxylic acid, a diol, and a catalyst are mixed to form a reactant mixture. The reactant mixture is reacted at a temperature ranging from 130° C. to 220° C. to form a semi-product. An endcapping alcohol into the semi-product at a temperature ranging from 205° C. to 220° C. to form a coarse plasticizer. The coarse plasticizer is purified under a pressure ranging from 760 Torr to 5 Torr to obtain the plasticizer. The dicarboxylic acid includes a first dicarboxylic acid and a second dicarboxylic acid, and the second dicarboxylic acid is adipic acid. The diol includes diethylene glycol and 2-methyl-1, 3-propanediol. The endcapping alcohol includes isooctyl alcohol, isodecyl alcohol, or 2-propylheptanol. A molar ratio of dicarboxylic acid:diol:the endcapping alcohol ranges from 1:0.6 to 0.9:0.3 to 0.6.

Abstract: A plasticizer and a method for manufacturing the plasticizer are provided. The method for manufacturing the plasticizer includes steps as follows: mixing a dicarboxylic acid, a diol, and a catalyst to form a reactant mixture; reacting the reactant mixture at a temperature ranging from 130° C. to 220° C. so as to form a semi-product; adding an endcapping alcohol into the semi-product at a temperature ranging from 205° C. to 220° C. so as to form a coarse plasticizer; purifying the coarse plasticizer under a pressure ranging from 760 Torr to 5 Torr so as to obtain the plasticizer. The dicarboxylic acid includes adipic acid. The diol includes a polyglycol and a saturated fatty alcohol. The endcapping alcohol includes isooctyl alcohol, isodecyl alcohol, or 2-propylheptanol. The dicarboxylic acid, the diol, and the endcapping alcohol have a molar ratio ranging from 1:0.6 to 0.9:0.3 to 0.6.

Abstract: A plasticizer and a method for manufacturing the plasticizer are provided. The method includes the following steps. A dicarboxylic acid, a diol, and a catalyst are mixed to form a reactant mixture. The reactant mixture is reacted at a temperature ranging from 130° C. to 220° C. to form a semi-product. An endcapping alcohol is added into the semi-product at a temperature ranging from 205° C. to 220° C. to form a coarse plasticizer. The coarse plasticizer is purified under a pressure ranging from 760 Torr to 5 Torr to obtain the plasticizer. The dicarboxylic acid includes succinic acid or adipic acid. The diol includes diethylene glycol and 2-methyl-1,3-propanediol. The endcapping alcohol is an ether alcohol or a fatty alcohol having a carbon number of less than or equal to 4. The dicarboxylic acid, the diol, and the endcapping alcohol have a molar ratio ranging from 1:0.6 to 0.9:0.3 to 0.6.

Abstract: A modified thermoplastic polyester elastomer and a breathable and waterproof membrane are provided. The modified thermoplastic polyester elastomer is formed from a thermoplastic polyester elastomer, a regenerated polyethylene terephthalate, and a compatibilizer. Based on a total weight of the modified thermoplastic polyester elastomer being 100 phr, a content of the regenerated polyethylene terephthalate is greater than 0 phr and up to 50 phr. Based on a total weight of the thermoplastic polyester elastomer being 100 wt %, the thermoplastic polyester elastomer includes 25 wt % to 75 wt % of hard segments and 25 wt % to 75 wt % of soft segments.

Abstract: A method for manufacturing a polyester film for embossing is provided. A polyester composition is prepared from a recycled polyester material. The polyester composition includes a physically regenerated polyester resin and a chemically regenerated polyester resin. The polyester composition is melted and extruded so as to form a base layer. The base layer is stretched in a machine direction. A surface coating paste is coated onto the base layer. The base layer with the surface coating paste is heated and stretched in a transverse direction, such that the surface coating paste turns into a surface coating layer, and a polyester film for embossing is obtained.

Abstract: The disclosure provides a wear-resistant polyester material, which includes a polyethylene terephthalate (PET) resin, a nucleating agent, a lubricant, and an antioxidant.

Abstract: A polyurethane adhesive and a mixture used for manufacturing a plastic athletic track are provided. The polyurethane adhesive includes a urethane pre-polymer which is formed by a reaction between an isocyanate and a polyol. The polyol is selected from the group consisting of polyether polyol and polybutadiene polyol, and a number average molecular weight of the polyol is between 1,000 g/mole and 6,000 g/mole. Based on the total weight of the polyurethane adhesive, a content of the urethane pre-polymer is between 80 wt % and 99.5 wt %, and a viscosity of the polyurethane adhesive is between 1,000 cps and 3,000 cps under an environmental temperature of between 15° C. and 40° C.

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.