Industrial Technology Research Institute

Fu-Ming Chien

Jin-An Wu

Fan-Jie Lin

Chien-Ming Chen

Yao-Chu Chung

Bing-Jyun Zeng

Sheng-Lung Chang

Sheng-Ju Liao

Kuan-Yeh Huang

Chih-Hung Lee

Chih-Jen Chang

Chun-Hsiung Liao

Po-I Wang

Yun-Chen Chang

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 &#x3bc;m, and the average distance between the particles is about 0.3 to 5.0 &#x3bc;m. 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.

Impact-resistant polystyrene resin

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 (&#x394;T) 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&#xb0; C. The thermoplastic vulcanizate powder includes a thermoplastic and a crosslinked polymer. The temperature difference (&#x394;T) between the onset temperature for melting the thermoplastic and the onset temperature at which the thermoplastic crystallizes is greater than or equal to 10&#xb0; C. , and the weight ratio of the thermoplastic to the crosslinked polymer is from 1:1 to 1:4.

Selective laser sintering composition and selective laser sintering 3D printing method employing the same

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.

Flexible transparent material

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: 

Thermoplastic vulcanizate and manufacturing method thereof

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 %&#x2dc;90 wt % of the composite, the inorganic particles occupies 10 wt %&#x2dc;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.

Composite and method for forming the same

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): 

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Fu-Ming Chien