Abstract: Provided is a polyester composite film, comprising a first thermoplastic polyether ester elastomer (TPEE) film and a second TPEE film. The melting point of a second TPEE resin of the second TPEE film is higher than that of a first TPEE resin of the first TPEE film, and the absolute difference in enthalpy of fusion between the first and second TPEE films is 5 J/g to 15 J/g. By adopting the first and second TPEE films having specific absolute difference of the enthalpy of fusion and controlling the melting points of the first and second TPEE resins, the polyester composite film can be well attached onto the fabric by hot pressing to obtain sufficient peel strength, and thereby the attached fabric can have excellent waterproof performance. Besides, a hot melt adhesive laminate comprising the polyester composite film also exhibits the above beneficial effects when attached to the fabric.

Abstract: Provided are an LCP film and a laminate comprising the same. The LCP film is made of an LCP resin comprising a structural unit represented by Formula (1): -L1-Ar-L2- (1), wherein -L1- and -L2- are respectively —O— or —CO—; —Ar— is an arylene group. Formula (1) comprises structural units Based on a total molar number of the structural unit represented by Formula (1), a molar number of the structural unit represented by Formula (I) is in the range from 15 mole % to mole %, and a sum of molar numbers of the structural units represented by Formulae (I) and (II) is in the range from 80 mole % to 100 mole %. The LCP film has a thickness and a transmittance, wherein when values of the thickness (in ?m) and the transmittance are put into Formula (III), the obtained value is from 0.055 to 0.090. Formula (III): Log(1/TT %)/(Thickness)0.5.

Abstract: The present disclosure provides a method for fabricating a nickel-cerium dioxide-aluminum oxide hybrid nanoparticle cluster catalyst. The method includes a solution preparation step, an aerosolizing step, a drying step, a first calcining step, a reducing gas adding step, and a second calcining step. The solution preparation step is provided for preparing a precursor solution. The aerosolizing step is performed for obtaining an atomized droplet. The drying step is performed for converting to a precursor crystallite. The first calcining step is performed for obtaining an oxidation state catalyst. The reducing gas adding step is performed for adding hydrogen. The second calcining step is performed for obtaining the nickel-cerium dioxide-aluminum oxide hybrid nanoparticle cluster catalyst.

Abstract: A di(2-ethylhexyl) terephthalate composition is provided. The di(2-ethylhexyl) terephthalate composition comprises di(2-ethylhexyl)terephthalate, at least one of a first component, a second component and a third component, and a fourth component When the di(2-ethylhexyl) terephthalate composition is characterized by gas chromatography (GC), the first component is eluted at a retention time ranging from 4.8 minutes to 6.0 minutes, the second component is eluted at a retention time ranging from 9.0 minutes to 10.0 minutes, the third component is eluted at a retention time ranging from 10.1 minutes to 12.0 minutes, and the fourth component is eluted at a retention time ranging from 21.0 minutes to 22.1 minutes. The ratio of the total area of the chromatographic peaks indicating the first component, second component, and third component to the area of the chromatographic peaks indicating the fourth component is 0.135 to 1.720.

Abstract: Provided is an aliphatic polyester composition. The aliphatic polyester composition comprises a polybutylene succinate, wherein the proton nuclear magnetic resonance of the aliphatic polyester composition has a first characteristic peak and a second characteristic peak. The first characteristic peak is located between 3.84 ppm and 4.32 ppm, and the second characteristic peak is located between 5.65 ppm and 5.85 ppm. The integral value of the first characteristic peak is set to be 100 and the integral value of the second characteristic peak is less than 0.10. By controlling the integral value of the second characteristic peak in H1-NMR of the aliphatic polyester composition, the aliphatic polyester composition has good appearance and low concentration of carboxylic acid end group and thereby the product value thereof is increased.

Abstract: Provided are a liquid crystal polymer film (LCP film) and a laminate comprising the same. The LCP film has a first surface and a second surface opposite each other, and the first surface has an arithmetical mean height of a surface (Sa) less than 0.32 ?m. The LCP film with proper Sa is suitable to be stacked with a metal foil, such that a laminate comprising the LCP film can have an advantage of low insertion loss.

Abstract: Provided is a thermoplastic polyether ester elastomer composition having a first chain represented by the following Formula (I) and a second chain represented by the following Formula (II), which are connected to each other: Wherein, the melting point of the thermoplastic polyether ester elastomer composition ranges from 80° C. to 160° C., and the enthalpy of fusion of the thermoplastic polyether ester elastomer composition is greater than 6 J/g. Production of the thermoplastic polyether ester elastomer composition has low energy consumption and facilitates smooth cutting strands into pellets, which is beneficial to mass production of the thermoplastic polyether ester elastomer composition.

Abstract: Provided are a liquid crystal polymer film (LCP film) and a laminate comprising the same. The LCP film has a first surface and a second surface opposite each other, and the first surface has an arithmetical mean height of a surface (Sa) less than 0.32 ?m. The LCP film with proper Sa is suitable to be stacked with a metal foil, such that a laminate comprising the LCP film can have an advantage of low insertion loss.

Abstract: Provided are hard carbon beads, their preparation method, and an energy storage device comprising the same. Microwave heating is used to synthesize cross-linked phenolic formaldehyde for reducing energy consumption and controlling the crosslinking density of cured phenolic formaldehyde. The problems caused by high temperature heating and hydrothermal process for curing resin can be solved by the instant disclosure, which can increase the economic values of electrode and energy storage device comprising the hard carbon beads.

Abstract: Provided are a laminate, a circuit board, and a liquid crystal polymer (LCP) film comprised therein. The laminate comprises a metal foil and an LCP film. The LCP film in the laminate has a dissipation factor before water absorption (Df?0), a dissipation factor after water absorption (Df?1), and a relative percentage difference between dissipation factors (?Df?), which is calculated by the following equation: ? ? Df ? ( % ) = ? "\[LeftBracketingBar]" Df 1 ? - Df 0 ? ? "\[RightBracketingBar]" Df 0 ? × 100 ? % ; wherein ?Df? may be less than or equal to 16%. By controlling ?Df? of the LCP film in the laminate, the insertion loss of a circuit board comprising a laminate during signal transmission in low-, medium-, and/or high-frequency bands is decreased and/or inhibited.

Abstract: Phosphorous containing compounds, epoxy resins thereof, and laminate composite structures thereof. The phosphorus containing compounds may have a structure according to formula (I): wherein, X is an aromatic hydrocarbon group having 6 to 30 carbon atoms or a bivalent linear or branched alkylene group of 1 to 8 carbon atoms; RA is selected from an alkyl group having 1 to 6 carbon atoms, a phenyl group, a napthyl group, and an aromatic phenol group; w is an integer of 1 to 9; R1, R2, R3, and R4 are independently selected from H, C1-C10 alkyl, C1-C10 alkoxy, and C3-C10 cycloalkyl; R5 is selected from the group consisting of C1-C10 alkyl, C1-C10 alkoxy, C3-C10 cycloalkyl, and Ar3; and Ar1 and Ar2 are independently selected.

Abstract: Disclosed is a polyester and molded article. The polyester includes residues of formula (i), formula (ii), and formula (iii): in which R1 is an arylene group; R2 is a C2-C6 straight-chain hydrocarbylene group; and * represents a linking bond. The polyester has a number average molecular weight not less than 15,000 and has a degree of dispersion ranged from 2.95 to 5.70.

Abstract: A polyhydric phenol resin is provided. The polyhydric phenol resin comprises a polyhydric phenol resin component and a first component. When the polyhydric phenol resin is characterized in a high-performance liquid chromatography (HPLC), the first component is eluted at a retention time ranging from 27.1 minutes to 28.0 minutes, and based on the total area of the chromatographic peaks of the polyhydric phenol resin, the area percentage of the chromatographic peak of the first component at the corresponding retention time in the spectrum ranges from 1.0% to 20%.

Abstract: Provided are a laminate, a circuit board, and a liquid crystal polymer (LCP) film comprised therein. The laminate comprises a metal foil and an LCP film. The LCP film in the laminate has a dissipation factor before water absorption (Df?0), a dissipation factor after water absorption (Df?1), and a relative percentage difference between dissipation factors (?Df?), which is calculated by the following equation: ? ? Df ? ( % ) = ? "\[LeftBracketingBar]" Df 1 ? - Df 0 ? ? "\[RightBracketingBar]" Df 0 ? × 100 ? % ; wherein ?Df? may be less than or equal to 16%. By controlling ?Df? of the LCP film in the laminate, the insertion loss of a circuit board comprising a laminate during signal transmission in low-, medium-, and/or high-frequency bands is decreased and/or inhibited.

Abstract: Provided are a liquid crystal polymer (LCP) film and a laminate comprising the same. The LCP film has a first surface and a second surface opposite each other, and a Kurtosis (Rku) of the first surface ranges from 3.0 to 60.0. With the Rku, the LCP film is able to improve the peel strength with a metal foil and ensure that a laminate comprising the same maintains the merit of low insertion loss.

Abstract: The present disclosure relates to a transformant for producing 2,5-furandicarboxylic acid. The transformant for producing 2,5-furandicarboxylic acid includes a Pseudomonas putida and at least one exogenous gene. The exogenous gene is an HmfH gene or an HMFO gene, and the exogenous gene is integrated into the chromosome of the Pseudomonas putida.

Abstract: A method for electrolysis of water and a method for preparing a catalyst for electrolysis of water are provided. The method for electrolysis of water includes using a high entropy alloy as a catalyst. Further, the method for preparing a catalyst for electrolysis of water includes the steps of placing a substrate in an aqueous electrolyte containing a high entropy alloy precursor and performing an electroplating process on the substrate to form a high entropy alloy catalyst on the substrate.

Abstract: A polycarbonate polyester includes residues of following formula (1), formula (2) and formula (3): in which R1 is C2-C15 hydrocarbon group; R2 is C4-C16 hydrocarbon group; a molar ratio of the residue of the formula (2) to the residue of the formula (1) is in a range of greater than 0.05 to less than 0.8; * represents a linking bond.

Abstract: An aliphatic polyester is provided. The aliphatic polyester comprises: a first structural unit represented by wherein R1 is absent or a C1 to C40 aliphatic hydrocarbyl; a second structural unit represented by wherein R2 is a C1 to C10 aliphatic hydrocarbyl; and a third structural unit derived from a first cross-linking agent, wherein the first cross-linking agent has three reactive functional groups, wherein at least one reactive functional group is a secondary or tertiary hydroxyl, with the proviso that the first cross-linking agent is not malic acid.

Abstract: A polyester and a method for manufacturing polyester are provided. The polyester comprises one or more repeating units derived from polyols and one or more repeating units derived from polybasic acids and contains phosphorus and a metal element, wherein one or more repeating units derived from polyols include a repeating unit derived from tricyclodecane dimethanol, the weight ratio of the phosphorus to the metal element ranges from 0.05 to 5.00, and the metal element is selected from the group consisting of Ti, Sn, Sb, Ge, Mn, Zn, Ca, Co, Pb, Al, Zr, and combinations thereof.