5 results about "Propanol" patented technology

The invention discloses polyurethane paint for an electronic component and relates to the technical field of paint. The paint comprises, by weight, 12.5-16.5 parts of hydroxyethyl acrylate, 10-13 parts of dibenzoyl peroxide, 12-17 parts of film-forming substances, 4-17 parts of mica pearlescent pigments, 6.5-8.5 parts of sulfydryl, 22.5-25.5 parts of propanol, 5-11 parts of inorganic antimicrobialagent, 6-13 parts of phthalate ester, 14-18 parts of polyol, 1.5-4.5 parts of auxiliary, 1.25-1.65 parts of isocyanate curing agent, 3.5-4.5 parts of dispersing agent and 3.55-8.55 parts of organic solvent. According to the polyurethane paint for the electronic component, the prepared paint has high adhesive force and excellent acid resistance, alkali resistance and salt mist resistance and is wide in application range, especially suitable for an electronic product shell with a high performance requirement and a small plane, convenient to construct and high in efficiency.

The invention belongs to the technical field of optical adhesives, and particularly relates to a hot-melt optical adhesive with an ultraviolet blocking function and a preparation method thereof, and the hot-melt optical adhesive comprises the following components in parts by weight: 100 parts of a mixed copolymer; 1-5 parts of a coupling agent; 0.2-0.6 part of an antioxidant; 0.1-0.6 part of a light stabilizer; 5-10 parts of a water blocking agent; the mixed copolymer is obtained by reacting an ethylene-vinyl acetate copolymer, a cross-linking agent, an anti-ultraviolet agent, an initiator and a polymerization initiator in a weight part ratio of 100: (5-10): (0.5-1): (1-3): (0.5-1); the anti-ultraviolet agent is composed of 4-methacrylamido salicylic acid and thiazolyl-2 (1H)-pyridone-4-methallyl formate, and the thiazolyl-2 (1H)-pyridone-4-methallyl formate is obtained in the mode that citric acid and 2-aminoethanethiol are subjected to a reaction to obtain an intermediate product, and then the intermediate product is subjected to methallyl alcohol esterification to obtain the thiazolyl-2 (1H)-pyridone-4-methallyl formate. According to the optical adhesive, the optical adhesive has a shielding effect on ultraviolet rays with the wavelength of 320-400 nm in sunlight, so that the damage of most ultraviolet rays to the optical cement is reduced, and the service life of the optical cement is prolonged.