A TPU non -slip cushion and its preparation method
A technology of anti-slip gaskets and oligomer polyols, which is applied in the field of polyurethane materials, can solve the problems that it is difficult to fully meet the high-shear working environment requirements of anti-slip gaskets, and the low strength and wear resistance of pure TPU materials.
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Embodiment 1
[0049] The present embodiment provides a kind of TPU non-slip pad, comprises the raw material component of following parts by weight:
[0050] 30 parts of diisocyanate, 100 parts of oligomer polyol, 20 parts of melamine formaldehyde resin (515# of Hangzhou Zhuoli Chemical), 20 parts of basalt fiber, 5 parts of quartz sand, 6 parts of aminosilane coupling agent and 0.2 part of catalyst;
[0051] Among them, the diisocyanate is 4,4'-diphenylmethane diisocyanate; the oligomer polyol is polycarbonate polyol with a number average molecular weight of 2000 and a hydroxyl value of 55 mg KOH / g; the average diameter of basalt fibers is 3 μm , the average length is 8mm; the D50 particle size of quartz sand is 10μm; the aminosilane coupling agent is γ-aminopropyltrimethoxysilane; the catalyst is dibutyltin dilaurate.
[0052] The preparation method of above-mentioned TPU antiskid gasket is as follows:
[0053] (1) Add basalt fiber, quartz sand and aminosilane coupling agent into a high-s...
Embodiment 2
[0059] The present embodiment provides a kind of TPU non-slip pad, comprises the raw material component of following parts by weight:
[0060] 40 parts of diisocyanate, 80 parts of oligomer polyol, 30 parts of melamine formaldehyde resin (515# of Hangzhou Zhuoli Chemical Industry), 10 parts of basalt fiber, 10 parts of quartz sand, 3 parts of aminosilane coupling agent and 1 part of catalyst;
[0061] Among them, the diisocyanate is 2,6-toluene diisocyanate; the oligomer polyol is polycaprolactone polyol, the number average molecular weight is 1500, and the hydroxyl value is 50 mg KOH / g; the average diameter of basalt fibers is 3 μm, and the average length The D50 particle size of quartz sand is 10 μm; the aminosilane coupling agent is γ-aminopropyltriethoxysilane; the catalyst is dibutyltin dilaurate.
[0062] The preparation method of above-mentioned TPU antiskid gasket is as follows:
[0063] (1) Add basalt fiber, quartz sand and aminosilane coupling agent into a high-spee...
Embodiment 3
[0069] The present embodiment provides a kind of TPU non-slip pad, comprises the raw material component of following parts by weight:
[0070] 32 parts of diisocyanate, 90 parts of oligomer polyol, 23 parts of melamine formaldehyde resin (515# of Hangzhou Zhuoli Chemical), 15 parts of basalt fiber, 8 parts of quartz sand, 4 parts of aminosilane coupling agent and 0.5 part of catalyst;
[0071] Among them, the diisocyanate is p-phenylene diisocyanate; the oligomer polyol is polycarbonate polyol, the number average molecular weight is 2000, and the hydroxyl value is 55 mg KOH / g; the average diameter of basalt fiber is 3 μm, and the average length is 8 mm; The D50 particle size of the sand is 10 μm; the aminosilane coupling agent is γ-aminopropyltrimethoxysilane; the catalyst is dibutyltin dilaurate.
[0072] The preparation method of above-mentioned TPU antiskid gasket is as follows:
[0073] (1) Add basalt fiber, quartz sand and aminosilane coupling agent into a high-speed mix...
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