公开(公告)号：US10815336B2

公开(公告)日：2020-10-27

申请号：US15852952

申请日：2017-12-22

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Jin-An Wu ,  Wen-Chung Liang ,  Chin-Lang Wu ,  Shihn-Juh Liou

IPC: C08G63/91 ,  C08J9/00 ,  B29C44/34 ,  C08K5/05 ,  C08J9/12 ,  C08J9/10 ,  C08K5/13 ,  C08G101/00 ,  C08K5/00

Abstract: 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·s to 1900 Pa·s, and a melt strength from 30 cN to 80 cN.

公开(公告)号：US11746174B2

公开(公告)日：2023-09-05

申请号：US16952748

申请日：2020-11-19

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Shu-Jiuan Huang ,  Shin-Liang Kuo ,  Hung Ming Chang ,  Sheng-Lung Chang ,  Jin-An Wu

IPC: C08F283/02 ,  C08B3/04 ,  C08B3/06 ,  C08B31/00 ,  C08G63/672 ,  C08G63/91 ,  C08G81/00 ,  C08L87/00 ,  C08L101/16 ,  C08G63/668

CPC classification number: C08F283/02 ,  C08B3/04 ,  C08B3/06 ,  C08B31/00 ,  C08G63/668 ,  C08G63/672 ,  C08G63/916 ,  C08G81/00 ,  C08L87/005 ,  C08L101/16

Abstract: 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.

公开(公告)号：US11365311B2

公开(公告)日：2022-06-21

申请号：US16731751

申请日：2019-12-31

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Jin-An Wu ,  Bing-Jyun Zeng ,  Fan-Jie Lin ,  Fu-Ming Chien

IPC: C08L23/12 ,  C08L23/16 ,  C08L23/22

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.

公开(公告)号：US11807746B2

公开(公告)日：2023-11-07

申请号：US17559599

申请日：2021-12-22

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Kuan-Yeh Huang ,  Jin-An Wu ,  Fu-Ming Chien ,  Yun-Chen Chang ,  Fan-Jie Lin

IPC: C08L25/06 ,  C08L53/02 ,  C08J3/12 ,  C08K5/13 ,  C08K5/098

CPC classification number: C08L25/06 ,  C08J3/12 ,  C08K5/098 ,  C08K5/13 ,  C08L53/02 ,  C08L2203/30 ,  C08L2205/22 ,  C08L2207/20

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.

公开(公告)号：US11458677B2

公开(公告)日：2022-10-04

申请号：US16727259

申请日：2019-12-26

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Jin-An Wu ,  Chih-Hung Lee ,  Fan-Jie Lin ,  Fu-Ming Chien ,  Chien-Ming Chen

IPC: B29C64/153 ,  C08L23/16 ,  C08L23/12 ,  C08L9/06 ,  C08K3/22 ,  C08K3/36 ,  C08K3/26 ,  B29C64/268 ,  B33Y50/00 ,  B29K23/00 ,  B33Y10/00 ,  B33Y70/10

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.