Polyether, polyurethane thermoplastic elastomer
A thermoplastic elastomer and polyurethane technology, applied in the field of polyurethane thermoplastic elastomer and polyether, can solve the problems of product appearance and feel old, flammable, poor physical properties, etc., achieve excellent physical properties, change processing performance, and delicate hand feeling Effect
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[0022] 1. React trimethylolpropane and macromolecular phosphate at a ratio of 1:0.05-1:0.15, and react with the reaction ax at a temperature of 50°C-70°C for 1-3 hours, and add an appropriate amount of two Benzene diisocyanate and 1,4-butanediol are subjected to a secondary reaction for 4-6 hours, the polymer is cooled, cut and dehydrated at a temperature of 90°C-110°C for 2-4 hours, and the moisture content should be ≤0.02 %.
[0023] 2. Mix the polymer with 1:0.08 ethylene-butadiene-styrene copolymer, 1:0.05 triphenyl phosphate polymer, 1:0.03 vinyl alcohol polymer, 1:0.01 polyolefin base, 1:0.002 tetraerythritol Ester, 1: 0.0042-hydroxyl-4-n-octyloxybenzophenone three, 1: 0.00152-methyl-4-isothiazoline, 1; 0.0015 quaternary ammonium salt compound and high-speed mixer closed and heated to 40°C-60°C, high-speed mixing for 30 minutes-60 minutes.
[0024] 2. Preheat the extruder with a diameter of 90mm-120mm and an aspect ratio of 24mm:26mm. The temperature is set at: 170°C t...
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