Abstract: 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.

Abstract: 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.

Abstract: In a detecting method for performing driving safety evaluation regarding a state of a driver of a vehicle, a detecting system: collects physiological data of the driver; performs the driving safety evaluation based on the physiological data to determine whether the state of the driver is unsuitable for operating the vehicle; and when it is determined that the state of the driver is unsuitable for operating the vehicle, triggering an interference action that includes one of outputting an alert, preventing the vehicle from starting up and a combination thereof.

Abstract: 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.

Abstract: The present disclosure provides a fire-resistant composite material comprising: at least one inorganic component and at least one nonisocyanate polyurethane having a formula of: wherein R and R? are each independently chosen from hydrocarbylene groups and hydrocarbylene groups having at least one heteroatom chosen from oxygen, nitrogen, and sulfur; and n is an integer chosen from 1 to 30. Also provided are processes for preparing the disclosed fire-resistant composite material.

Abstract: Disclosed is a halogen-free retardant acrylic resin, including a copolymer of an acrylate monomer (I) and a phosphorus-containing monomer (II), wherein R1 is H or methyl; R2 is H, alkyl, ester, alkyl ester, aryl, or heteroaryl, and R3 is H or methyl, and X is (CH2)x, x being an integer of 1-11, (CH2CH2O)y, y being an integer of 1-5, or (CH2)zO, z being an integer of 2-10, and n is an integer or a non-integer of 1-2. A molded article of the halogen-free retardant acrylic resin is also provided.