399 results about "Isophorone di-isocyanate" patented technology

The invention discloses a preparation method of a flame-retardant and waterproof aqueous polyurethane coating and adhesive. The method comprises the following steps: mixing 1,4-di(dimethyl hydroxysilyl) benzene with isophorone diisocyanate in the presence of modified fullerene A, adding a synergist and 2-butoxyl-N-(2-diethylaminoethyl)-4-quinoline formamide hydrochloride and reacting for 1 to 5 hours at 70 DEG C to 80 DEG C so as to obtain a polyurethane prepolymer A; adding a chain extender and a solvent into the prepolymer A, reacting for 3 to 4 hours at 60 DEG C to 80 DEG C, then adding triethylamine and carrying out a neutral reaction for 30 to 60 minutes; then adding a modified manganese hypophosphate solution, coconut oil monoethanolamide and sulfaquinoxaline and reacting for 1 hour at 70 DEG C; and adding water and sodium dodecyl sulfate and emulsifying for 60 minutes, thereby obtaining the flame-retardant and waterproof aqueous polyurethane coating and adhesive. The prepared flame-retardant and waterproof aqueous polyurethane coating and adhesive is environment-friendly and low in cost, and can be widely applied to walls, furniture and metalware surfaces as well as can serve as an adhesive for plastics, glass, papermaking and textiles.

The invention discloses a weather-resistant leather finishing agent which comprises an aqueous polyurethane emulsion. The aqueous polyurethane emulsion is prepared by the following steps of: preparing a prepolymer by using isophorone diisocyanate (IPDI), polyethylene glycol (PEG3000), 1,4-butanediol (BDO) and dimethylolpropionic acid (DMPA) as raw materials; implementing an end-capping reaction and a neutralization reaction; adding tripropylene glycol diacrylate (TPGDA) and water for emulsifying; and adding an proper amount of triggering agents, thereby obtaining the acrylate-modified aqueous polyurethane emulsion. According to the weather-resistant leather finishing agent, the polyurethane is prepared by adopting the aliphatic isophorone diisocyanate (IPDI) which is excellent in photo-stability as the raw material and then modified by using acrylate, thus the problem of easy yellowing is fundamentally solved, and the weather resistance of the leather finishing agent is greatly improved.

The invention discloses a preparation method of light-resistant and waterproof water-based flame retardant polyurethane coating and adhesive. The preparation method of the light-resistant and waterproof water-based flame retardant polyurethane coating and adhesive comprises the following steps: mixing polytetrahydrofuran glycol with isophorone diisocyanate in the presence of a fullerene catalyst, reacting at the temperature of 60-85 DEG C for 1-2 hours, adding coumaphos and propantheline bromide, and reacting at the temperature of 70 DEG C for 3 hours, so that polyurethane prepolymer A is obtained; adding a chain extender, butanone and riboflavin sodium phosphate into the polyurethane prepolymer A, reacting at the temperature of 60-85 DEG C for 2.5-3.5 hours, adding a flame retardant, reacting at the temperature of 75-85 DEG C for 1-2 hours, then adding 1,4-dihydroxy anthraquinone, polyacrylamide and a tackifying agent, reacting at the temperature of 75 DEG C for 1-2 hours, then adding triethylamine and carrying out neutralization reaction for 30-50 minutes, adding water and emulsifying for 30 minutes, so that the light-resistant and waterproof water-based flame retardant polyurethane coating and adhesive are obtained. The prepared light-resistant and waterproof water-based flame retardant polyurethane coating has triple performance of flame retardance, light resistance and water resistance; meanwhile, polyurethane is environment-friendly and low in cost, so that the prepared light-resistant and waterproof water-based flame retardant polyurethane coating can be widely applied to surfaces of a wall body, furniture and metalware; the prepared light-resistant and waterproof water-based flame retardant polyurethane adhesive can be taken as a binder for plastic, glass, paper, textiles and leather.

The invention discloses a method for preparing a light-fast waterborne polyurethane coating material. The method comprises the steps: mixing polytetrahydrofuran ether glycol and isophorone diisocyanate in the presence of a dibutyltin dilaurate catalyst, reacting for 1-4 hours at the temperature of 80-100 DEG C, adding liposome and coroxon, and reacting for 2 hours at the temperature of 90 DEG C, so as to obtain a polyurethane prepolymer A; adding a chain extender, 1,4-dioxane and riboflavin sodium phosphate into the prepolymer A, reacting for 1.5-3.5 hours at the temperature of 65-85 DEG C, adding a mixed solution A, reacting for 1-2 hours at the temperature of 75-85 DEG C, adding triethylamine to carry out neutralization reaction for 30-50 minutes, and adding water to emulsify, thereby obtaining the light-fast waterborne polyurethane coating material. The prepared light-fast polyurethane coating material is environment-friendly and cheap, is widely applied to the surfaces of walls, furniture and metallic utensils and serves as a binder of plastics, glass, paper making and textiles.