Wear-corrosion-resistant polyurethane material
A polyurethane material and anti-abrasion technology, applied in the field of polyurethane materials, can solve the problems of hardness, strength, modulus, poor heat resistance and mechanical properties of polyurethane elastomers, etc., so as to increase wear resistance and affinity Oiliness, wear resistance improvement effect
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Embodiment 1
[0020] An abrasion-resistant polyurethane material, its raw materials include: polytetrahydrofuran ether diol, dimethyl biphenyl diisocyanate, dimethylol butyric acid, triisopropanolamine, hydroquinone dihydroxyethyl ether, nano Titanium dioxide, 3-isocyanatopropyltriethoxysilane, and stannous octoate;
[0021] Among them, during the preparation process of the abrasion-resistant polyurethane, the dried polytetrahydrofuran ether diol is taken, fed with nitrogen gas, heated to 50°C, kept stirring for 60 minutes, and N,N-dimethyl biphenyl diisocyanate is added dropwise. Dimethyl formamide solution, continue to keep stirring for 2h, heat up to 80°C, add dropwise N, N-dimethylformamide solution of dimethylolbutyric acid, keep stirring for 3h, cool down to 60°C, add triisopropanol dropwise N,N-dimethylformamide solution of amine and N,N-dimethylformamide solution of hydroquinone bishydroxyethyl ether, heat preservation and stirring for 5h, cool to room temperature, add water to sett...
Embodiment 2
[0023] An abrasion-resistant polyurethane material, its raw materials include: polytetrahydrofuran ether diol, dimethyl biphenyl diisocyanate, dimethylol butyric acid, triisopropanolamine, hydroquinone dihydroxyethyl ether, nano Titanium dioxide, 3-isocyanatopropyltriethoxysilane, and stannous octoate;
[0024] Among them, during the preparation of the abrasion-resistant polyurethane, the dried polytetrahydrofuran ether diol was taken, fed with nitrogen, heated to 70°C, kept stirring for 50 minutes, and N,N-dimethyl biphenyl diisocyanate was added dropwise. Dimethylformamide solution, continue to keep stirring for 3h, heat up to 70°C, add dropwise N,N-dimethylformamide solution of dimethylolbutyric acid, keep stirring for 5h, cool down to 50°C, add triisopropanol dropwise N,N-dimethylformamide solution of amine and N,N-dimethylformamide solution of hydroquinone bishydroxyethyl ether, heat preservation and stirring for 7h, cool to room temperature, add water to settle, filter, ...
Embodiment 3
[0026] An abrasion-resistant polyurethane material, its raw materials include: polytetrahydrofuran ether diol, dimethyl biphenyl diisocyanate, dimethylol butyric acid, triisopropanolamine, hydroquinone dihydroxyethyl ether, nano Titanium dioxide, 3-isocyanatopropyltriethoxysilane, and stannous octoate;
[0027]Among them, in the preparation process of abrasion-resistant polyurethane, take the dried polytetrahydrofuran ether diol, pass nitrogen gas, heat up to 55 ° C, keep stirring for 57 minutes, and add N,N-dimethyl biphenyl diisocyanate dropwise. Dimethylformamide solution, continue to keep stirring for 2.3h, heat up to 78°C, add dropwise N,N-dimethylformamide solution of dimethylolbutyric acid, keep stirring for 3.5h, cool down to 57°C, add dropwise triiso N,N-dimethylformamide solution of propanolamine and N,N-dimethylformamide solution of hydroquinone dihydroxyethyl ether, keep stirring for 5.5h, cool to room temperature, add water to settle, filter , washed with water, ...
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