Industrial Technology Research Institute

Jin-An Wu

Fu-Ming Chien

Fan-Jie Lin

Sheng-Lung Chang

Bing-Jyun Zeng

Chien-Ming Chen

Chin-Lang Wu

Shu-Jiuan Huang

Wen-Chung Liang

Shin-Liang Kuo

Shihn-Juh Liou

Kuan-Yeh Huang

Chih-Hung Lee

Hung Ming Chang

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 biodegradable polyester is provided. The biodegradable polyester is a transesterification or esterification reaction product of a reactant (a) and a reactant (b). The reactant (a) is a modified linear saccharide oligomer. The reactant (b) is a polyester, or the reactant (b) includes a dicarboxylic acid and a diol. The modified saccharide oligomer is a reaction product of a saccharide oligomer and a modifier.

Biodegradable polyester

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 branched polymer, a preparation method thereof and a method for preparing a foam are provided. The branched polymer is a transesterification product of a composition, and the composition includes 100 parts by weight of polyethylene terephthalate and 0.5-2.0 parts by weight of polyol. The branched polymer has an inherent viscosity of from 1.2 dL/g to 1.6 dL/g, a number average molecular weight of from 75,000 g/mol to 90,000 g/mol, a polydispersity index from 3.0 to 6.0, a melt index from 0.8 g/10 min to 7.5 g/10 min, a shear viscosity from 800 Pa&#xb7;s to 1900 Pa&#xb7;s, and a melt strength from 30 cN to 80 cN.

Branched polymer, method for preparing the same and method for preparing a foam

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: 

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Jin-An Wu