Abstract:
A method for forming composite is provided. The method comprises following steps. Firstly, a polypropylene homopolymer and at least one kind of inorganic particles are provided to a twin screw extruder, wherein the polypropylene homopolymer occupies 40 wt %˜90 wt % of the composite, the inorganic particles occupies 10 wt %˜60 wt % of the composite, the melt flow index of the polypropylene homopolymer is lower than 3.6 g/10 min, and the particle sizes of the inorganic particles are in a range of 100 nm to 1000 nm. The polypropylene homopolymer is heated to a molten state. Then, the molten-state polypropylene homopolymer and the inorganic particles are enabled to pass through at least five kneading blocks of the twin screw extruder to be mixed together such that the inorganic particles are dispersed in the polypropylene homopolymer.
Abstract:
A selective laser sintering composition and a selective laser sintering 3D printing method employing the same are provided. The selective laser sintering composition includes a nanoscale inorganic powder and a thermoplastic vulcanizate powder. The temperature difference (ΔT) between the onset temperature for melting the thermoplastic vulcanizate powder and the onset temperature at which the thermoplastic crystallizes vulcanizate powder is greater than or equal to 10° C. The thermoplastic vulcanizate powder includes a thermoplastic and a crosslinked polymer. The temperature difference (ΔT) between the onset temperature for melting the thermoplastic and the onset temperature at which the thermoplastic crystallizes is greater than or equal to 10° C. , and the weight ratio of the thermoplastic to the crosslinked polymer is from 1:1 to 1:4.
Abstract:
In one embodiment, A flame-retardant thermoplastic starch material, including (A1) 100 parts by weight of starch; (A2) 5 to 75 parts by weight of plasticizer; and (A3) 5 to 30 parts by weight of organic phosphonate flame-retardant, wherein the organic phosphonate flame-retardant has the following formula (I): wherein X is a trivalent aliphatic hydrocarbon radical containing 3 to 12 carbon atoms; R1 and R2 are independently C1 to C8 alkyl; and n is 0 or 1.
Abstract:
A thermoplastic vulcanizate is provided, including 10-50 parts by weight of a nylon plastic and 50-90 parts by weight of a cross-linked acrylic rubber polymer. The cross-linked acrylic rubber polymer is dispersed in the Nylon plastic. The cross-linked acrylic rubber polymer is formed by a modified acrylic rubber polymer having a hydrolysable silane group through crosslinking in the presence of water. In the modified acrylic rubber polymer having a hydrolysable silane group, a linkage group represented by formula (I) or formula (II) is between a backbone and the hydrolysable silane group: wherein R1 is H or —OH; R2 is H, —Z′—Si(OR′)3 or C1-C10 hydrocarbon group; R3 is H or C1-C10 hydrocarbon group; Z′ is a divalent bridging group; R′ is individually C1-C10 hydrocarbon group. A manufacturing method of the thermoplastic vulcanizate is also provided.
Abstract:
Disclosed is a high thermally conductive composite, including a first composite and a second composite having a co-continuous and incompatible dual-phase manner. The first composite consists of glass fiber distributed in polyphenylene sulfide (PPS), acrylonitrile-butadiene-styrene copolymer (ABS), polybutylene terephthalate (PBT), poly(ε-caprolactam) (Nylon 6), polyhexamethylene adipamide (nylon 66), or polypropylene (PP). The second composite consists of carbon material distributed in polyethylene terephthalate.
Abstract:
A thermoplastic vulcanizate is provided. The thermoplastic vulcanizate includes: (A) about 100 parts by weight of a styrene copolymer rubber; (B) about 40-90 parts by weight of a thermoplastic elastomer; (C) about 5-15 parts by weight of an interfacial compatible resin; and (D) about 0.2-3 parts by weight of a cross-linking formulation, wherein the content of component (A) is greater than the content of component (B). Component (A) is dispersed in component (B) in the form of particles with a particle size of about 0.5-10 μm.
Abstract:
A thermoplastic vulcanizate and a method for preparing the same are provided. The thermoplastic vulcanizate includes a thermoplastic, a cross-linked rubber particle, and a compatibilizer, wherein the cross-linked rubber particle is dispersed in the thermoplastic serving as a continuous phase, wherein the cross-linked rubber particle is a product of a composition via a cross-linking reaction. The composition includes an ethylene copolymer and a cross-linking agent, wherein the weight ratio of the thermoplastic to the ethylene copolymer is 3:17 to 1:1.
Abstract:
An impact-resistant polystyrene resin includes a continuous phase and a plurality of particles dispersed in the continuous phase. The average particle size of the particles is about 0.1 to 4.0 µm, and the average distance between the particles is about 0.3 to 5.0 µm. The impact-resistant polystyrene resin is made from a polystyrene composition including a polystyrene plastic, a styrene block copolymer, a processing aid, and an antioxidant.
Abstract:
A flexible transparent material is provided. The flexible transparent material includes a thermoplastic and a plurality of micelles dispersed in the thermoplastic. Each micelle includes a plurality of cross-linked rubber particles and a swelling liquid. The weight ratio of the thermoplastic to the total weight of the cross-linked rubber particles is from 1:5 to 4:5. The weight ratio of the swelling liquid to the total weight of the cross-linked rubber particles is from 1:5 to 2:1.