Method for preparing special thermoplastic polyurethane material capable of achieving laser marking
A thermoplastic polyurethane, laser marking technology, applied in the field of material preparation, which can solve the problems of poor dispersion, dispersion and markability limitations
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example 1
[0020] Take substance A and put it into a pulverizer to crush it into 115 mesh particles, put it into a container, add a hydrochloric acid solution with a mass fraction of 95% to it, submerge the particles by 4cm, and stir to dissolve them completely; place the above container under ultraviolet light irradiation Next, add substance B to it, seal it, use nitrogen to discharge the air inside the container, stir for 2 hours, slowly raise the temperature to 45°C, then cool to 15°C, add a sodium hydroxide solution with a mass fraction of 70% to it, and solids are precipitated. Stop adding sodium hydroxide solution until no solid is precipitated, and filter; put the obtained solid in an oven to dry, take it out and cool it to room temperature, put it in a high-mixer, add substance C and tetra[β- (3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester is mixed evenly, the rotating speed is set at 900r / min, and the heat mixing time is 12min; the mixture obtained above i...
example 2
[0025] Take substance A and put it into a pulverizer to crush it into 115 mesh particles, put it into a container, add a hydrochloric acid solution with a mass fraction of 95% to it, submerge the particles by 4cm, and stir to dissolve them completely; place the above container under ultraviolet light irradiation Next, add substance B to it, seal it, use nitrogen to discharge the air inside the container, stir for 2 hours, slowly raise the temperature to 45°C, then cool to 15°C, add a sodium hydroxide solution with a mass fraction of 70% to it, and solids are precipitated. Stop adding sodium hydroxide solution until no solid is precipitated, and filter; put the obtained solid in an oven to dry, take it out and cool it to room temperature, put it in a high-mixer, add substance C and tetra[β- (3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester is mixed evenly, the rotating speed is set at 900r / min, and the heat mixing time is 12min; the mixture obtained above i...
example 3
[0030]Take substance A and put it into a pulverizer to crush it into 115 mesh particles, put it into a container, add a hydrochloric acid solution with a mass fraction of 95% to it, submerge the particles by 4cm, and stir to dissolve them completely; place the above container under ultraviolet light irradiation Next, add substance B to it, seal it, use nitrogen to discharge the air inside the container, stir for 2 hours, slowly raise the temperature to 45°C, then cool to 15°C, add a sodium hydroxide solution with a mass fraction of 70% to it, and solids are precipitated. Stop adding sodium hydroxide solution until no solid is precipitated, and filter; put the obtained solid in an oven to dry, take it out and cool it to room temperature, put it in a high-mixer, add substance C and tetra[β- (3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester is mixed evenly, the rotating speed is set at 900r / min, and the heat mixing time is 12min; the mixture obtained above is...
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