Industrial Technology Research Institute

Feng-Ming Hsieh

Mei-Hua Wang

Kuo-Chen Shih

Chun-Yen Chen

Ting-Yao Su

An epoxy resin composition is provided. The epoxy resin composition includes 80-100 parts by weight of a thermal curable epoxy resin, and 0.1-20 parts by weight of a branched rubber copolymer. The branched rubber copolymer includes a rubber polymer serving as a main portion, and a polymer composed of polyethylene glycol (PEG), derivatives of polyethylene glycol, polycaprolactone (PCL), derivatives of polycaprolactone, or a combination thereof serving as a branched chain.

Epoxy resin composition

An olefin-metathesis catalyst is provided. The olefin-metathesis catalyst includes a magnetic carrier, a polymer having formula (I) grafted on the magnetic carrier, and a ruthenium complex loaded on the polymer. A method for preparing low-molecular-weight nitrile butadiene rubber is also provided.  In formula (I), one of X, Y and Z is nitrogen atom, the others are carbon atoms, R1 and R2, independently, include hydrogen, ester group, C1-10 alkyl group, C3-8 cycloalkyl group, 4-ring to 8-ring heterocycloalkyl or C6-10 aryl group, R3 includes hydrogen or C1-10 alkyl group, m ranges from 10 to 2,000, and n ranges from 0 to 1,000.

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Tainan, Taiwan

Feng-Ming Hsieh