Abstract: A resin composite is provided, which comprises: a first resin layer including a first rubber modified styrene-based resin composition; and a second resin layer including a second rubber modified styrene-based resin composition. The first and second rubber modified styrene-based resin compositions respectively comprise: a styrene-based copolymer; and rubber particles. In the first rubber modified styrene-based resin composition, on the basis of a total weight of all monomer units of the styrene-based copolymer being 100 wt %, the styrene-based copolymer comprises more than or equal to 21.0 wt % to less than or equal to 31.0 wt % of an acrylonitrile-based monomer unit. In the second rubber modified styrene-based resin composition, on the basis of a total weight of all monomer units of the styrene-based copolymer being 100 wt %, the styrene-based copolymer comprises more than or equal to 12.0 wt % to less than 21.0 wt % of an acrylonitrile-based monomer unit.

Abstract: A resin composite is provided, which comprises: a first resin layer including a first rubber modified styrene-based resin composition; and a second resin layer including a second rubber modified styrene-based resin composition. The first and second rubber modified styrene-based resin compositions respectively comprise: a styrene-based copolymer; and rubber particles. In the first rubber modified styrene-based resin composition, on the basis of a total weight of all monomer units of the styrene-based copolymer being 100 wt %, the styrene-based copolymer comprises more than or equal to 21.0 wt % to less than or equal to 31.0 wt % of an acrylonitrile-based monomer unit. In the second rubber modified styrene-based resin composition, on the basis of a total weight of all monomer units of the styrene-based copolymer being 100 wt %, the styrene-based copolymer comprises more than or equal to 12.0 wt % to less than 21.0 wt % of an acrylonitrile-based monomer unit.

Abstract: Provided is a synthesis method of a modified conjugated diene polymer. Conjugated diene monomers are reacted in a reaction system. A modifier is added into the reaction system while the reaction proceeds to a predetermined extent. The modifier has a structure represented by formula (1): wherein R1-R11 each independently represent a C1-C5 alkyl group; 1?m?300; 0?a?65; 0?b?65; 0?c?40; 0<a+b; 0?c/(a+b+c)?0.8; the X and Y are structures respectively represented by formula (2) and formula (3): wherein R12, R16, and R17 each independently represent a C1-C5 alkylene group and R13-R15 each independently represent a C1-C5 alkyl group.

Abstract: The invention discloses a terminal-modified conjugated diene-vinyl aromatic copolymer and a method for manufacturing the same. The method comprises the following steps. An organic alkali metal initiator is added into a first mixture containing a conjugated diene monomer and a vinyl aromatic hydrocarbon monomer to perform reaction to obtain a conjugated diene-vinyl aromatic copolymer with active terminal. The conjugated diene-vinyl aromatic copolymer with active terminal reacts with polysiloxane to obtain a terminal-modified conjugated diene-vinyl aromatic copolymer. The aforementioned polysiloxane is expressed as chemical formula (I): R1, R2, R3 and R5 independently are alkyl group with 1˜20 carbon atoms. R4 is selected from one of alkyl group, alkoxy group or hydroxyl group with 1˜5 carbon atoms, m is an integer of 2˜50, and n is an integer of 0˜50.

Abstract: Provided is a synthesis method of a modified conjugated diene polymer. Conjugated diene monomers are reacted in a reaction system. A modifier is added into the reaction system while the reaction proceeds to a predetermined extent. The modifier has a structure represented by formula (1): wherein R1-R11 each independently represent a C1-C5 alkyl group; 1?m?300; 0?a?65; 0?b?65; 0?c?40; 0<a+b; 0?c/(a+b+c)?0.8; the X and Y are structures respectively represented by formula (2) and formula (3): wherein R12, R16, and R17 each independently represent a C1-C5 alkylene group and R13-R15 each independently represent a C1-C5 alkyl group.

Abstract: A modified conjugated diene-vinyl aromatic copolymer and a method for manufacturing the same are provided. The modified conjugated diene-vinyl aromatic copolymer is formed by modifying a conjugated diene-vinyl aromatic copolymer by reacting with a first modifier in a solvent and then reacting with a second modifier. The solvent includes an organic alkali metal initiator.

Abstract: A modified conjugated diene-vinyl aromatic copolymer and a method for manufacturing the same are provided. The modified conjugated diene-vinyl aromatic copolymer is formed by modifying a conjugated diene-vinyl aromatic copolymer by reacting with a first modifier in a solvent and then reacting with a second modifier. The solvent contains an organic alkali metal initiator. The first modifier is expressed as chemical formula (I): The second modifier is expressed as chemical formula (II): R1 is selected from one of hydrogen, methyl group or ethyl group. R2 is selected from hydrogen. R3 is selected from one of hydrogen, methyl group or ethyl group. X is selected from one of epoxypropoxy group, isocyanate group or 2-(3,4-epoxycyclohexyl) group. R4 is selected from one of alkyl groups with 2˜3 carbon atoms.

Abstract: A modified conjugated diene-vinyl aromatic copolymer and a method for manufacturing the same are provided. The modified conjugated diene-vinyl aromatic copolymer is formed by modifying a conjugated diene-vinyl aromatic copolymer by reacting with a first modifier in a solvent and then reacting with a second modifier. The solvent includes an organic alkali metal initiator.

Abstract: A modified conjugated diene-vinyl aromatic copolymer and a method for manufacturing the same are provided. The modified conjugated diene-vinyl aromatic copolymer is formed by modifying a conjugated diene-vinyl aromatic copolymer by reacting with a first modifier in a solvent and then reacting with a second modifier. The solvent contains an organic alkali metal initiator. The first modifier is expressed as chemical formula (I): The second modifier is expressed as chemical formula (II): R1 is selected from one of hydrogen, methyl group or ethyl group. R2 is selected from hydrogen. R3 is selected from one of hydrogen, methyl group or ethyl group. X is selected from one of epoxypropoxy group, isocyanate group or 2-(3,4-epoxycyclohexyl) group. R4 is selected from one of alkyl groups with 2˜3 carbon atoms.

Abstract: The invention discloses a terminal-modified conjugated diene-vinyl aromatic copolymer and a method for manufacturing the same. The method comprises the following steps. An organic alkali metal initiator is added into a first mixture containing a conjugated diene monomer and a vinyl aromatic hydrocarbon monomer to perform reaction to obtain a conjugated diene-vinyl aromatic copolymer with active terminal. The conjugated diene-vinyl aromatic copolymer with active terminal reacts with polysiloxane to obtain a terminal-modified conjugated diene-vinyl aromatic copolymer. The aforementioned polysiloxane is expressed as chemical formula (I): R1, R2, R3 and R5 independently are alkyl group with 1˜20 carbon atoms. R4 is selected from one of alkyl group, alkoxy group or hydroxyl group with 1˜5 carbon atoms, m is an integer of 2˜50, and n is an integer of 0˜50.

Abstract: The present invention provides an apparatus and a method for continuous hydrogenation of conjugated diene polymer. By feeding the conjugated diene polymer, a catalyst composition and a hydrogen to the apparatus for hydrogenation. This apparatus for hydrogenation includes at least one hydrogenation reaction unit each comprising at least one a hydrogenation reactor with an outlet and at least one heat exchanger. In the hydrogenation reaction unit, the conjugated diene polymer, the catalyst composition and the hydrogen are mixed in a non-mechanical mixing mode and proceed hydrogenation with heat exchanger being connected to the outlet of the hydrogenation reactor.

Abstract: The present invention relates to a method for producing a bead-shaped polylactide pellets and the bead-shaped polylactide pellets prepared from the method thereof, and primarily includes an die-face cutting step, a dewatering step and a crystallization step. In which bead-shaped polylactide pellets are produced from a polylactide melt undergoing the die-face cutting step, the dewatering step and the crystallization step. The die-face cutting step is carried out by immersing the polylactide melt in water at a temperature of 50° C.˜90° C.; the dewatering step is carried out in an atmosphere temperature of 80° C.˜150° C.; the crystallization step is carried out in an atmosphere temperature 80° C.˜150° C. The bead-shaped polylactide pellets obtained have a water content of 10˜400 ppm, and smooth surfaces with no concave. The producing method of the present invention is thus able to achieve the objective of saving mass energy consumption.

Abstract: The present invention provides an apparatus and a method for continuous hydrogenation of conjugated diene polymer. By feeding the conjugated diene polymer, a catalyst composition and a hydrogen to the apparatus for hydrogenation. This apparatus for hydrogenation includes at least one hydrogenation reaction unit each comprising at least one a hydrogenation reactor with an outlet and at least one heat exchanger. In the hydrogenation reaction unit, the conjugated diene polymer, the catalyst composition and the hydrogen are mixed in a non-mechanical mixing mode and proceed hydrogenation with heat exchanger being connected to the outlet of the hydrogenation reactor.

Abstract: The present invention provides a process for hydrogenation of a conjugated diene polymer comprising hydrogenating said polymer in the presence of hydrogen and a hydrogenation catalyst composition, wherein the catalyst composition comprising a titanium compound (A), a silyl hydride (B) selected from the group having a Si—H group and consisting of a monomeric silyl hydride, a polymeric silyl hydride, and a cyclic silyl hydride; and a compound (C), and conducting the hydrogenation in a middle to larger sized reactor having a capacity of 25 liters, with a temperature of 50° C. to 150° C., and a hydrogen pressure of 1 kg/cm2 to 20 kg/cm2.

Abstract: The present invention provides an apparatus and a method for continuous hydrogenation of conjugated diene polymer. By feeding the conjugated diene polymer, a catalyst composition and a hydrogen to the apparatus for hydrogenation. This apparatus for hydrogenation includes at least one hydrogenation reaction unit each comprising at least one a hydrogenation reactor with an outlet and at least one heat exchanger. In the hydrogenation reaction unit, the conjugated diene polymer, the catalyst composition and the hydrogen are mixed in a non-mechanical mixing mode and proceed hydrogenation with heat exchanger being connected to the outlet of the hydrogenation reactor.

Abstract: The present invention provides a catalyst composition for hydrogenation comprising: (1) a titanium compound (A) represented by the following formula (a): (2) a silyl hydride (B); and (3) a compound (C) represented by the following formula (e): The catalyst composition for hydrogenation can maintain activity longer and improve hydrogenation conversion of the conjugated diene polymers, particularly of the trans structure. The conjugated diene polymers produced according to the present invention can further perform good thermal stability and odorless.

Abstract: A process for hydrogenation of conjugated diene polymers comprises hydrogenating said polymer in the presence of hydrogen and a hydrogenation catalyst composition comprising: (a) at least one titanium compound represented by the following formula (a): wherein R1 and R2, which may be the same or different, represent a halogen atom, an alkyl group, an aryl group, an arakyl group, a cycloalkyl group, an aryloxy group, an alkoxy group or a carbonyl group, and Cp* represents a cyclopentadienyl group or a derivative having the formula of C5R5, and R5, which may be the same or different, represents a hydrogen atom, an alkyl group an aralkyl group and an aryl group; and (b) at least one silyl hydride.