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Wear-resistant polyurethane material for wheels for forklift trucks

A polyurethane material and wheel technology, applied in the field of polyurethane, can solve the problems of insufficient wear resistance, easy safety accidents, poor dimensional stability, etc., and achieve excellent load-bearing capacity and service life, good durability, and improved wear resistance Effect

Inactive Publication Date: 2018-04-27
CHUZHOU GLOBAL POLYURETHANE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the forklift wheel, due to the strong hygroscopicity and poor dimensional stability of the nylon wheel used, it is easy to deform and damage in a humid environment, and is prone to safety accidents. Due to the high hardness of the polyurethane material and its superior water and oil resistance, polyurethane materials are widely used at present, but Due to the disadvantage that the wear resistance of polyurethane materials cannot meet the needs, it has become a short board restricting its development

Method used

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  • Wear-resistant polyurethane material for wheels for forklift trucks

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A wear-resistant polyurethane material for fork wheels, the raw materials of which include: 80g of polyoxypropylene diol, 20g of 1,6-hexamethylene diisocyanate trimer, 6g of trimethylolpropane, 8g of pentaerythritol, 7g of polypropylene compound, catalyst 4g, trimethylpentanediol 4g, talcum powder 13g, glass fiber 10g, diatomaceous earth 8g, surfactant 2g, sulfur accelerator 4g, sodium bicarbonate 4g, mold release agent 8g, toner 2g.

[0015] The catalyst includes: 2g of dibutyltin dilaurate and 0.4g of bismuth laurate. The release agent includes: oxidized polyethylene wax 2g, methyl silicone oil 2g.

[0016] The polypropylene composite was prepared by the following process: mix 10g of tapioca starch and 50g of phosphate buffer with a pH value of 5.2-5.8 evenly, add 0.04g of pullulanase for enzymolysis for 14 hours, inactivate the enzyme, add 10g of egg yolk lecithin, 16g of polysaccharide Propylene, 4g of 1,2-ethanedithiol, and 0.4g of benzophenone were mixed uniforml...

Embodiment 2

[0018] A wear-resistant polyurethane material for fork wheels, the raw materials of which include: 100g of polyoxypropylene diol, 10g of 1,6-hexamethylene diisocyanate trimer, 10g of trimethylolpropane, 4g of pentaerythritol, 12g of polypropylene compound, catalyst 2g, trimethylpentanediol 8g, talcum powder 7g, glass fiber 20g, diatomaceous earth 4g, surfactant 4g, sulfur accelerator 2g, sodium bicarbonate 6g, mold release agent 4g, toner 4g.

[0019] The catalyst includes: 1 g of dibutyltin dilaurate and 0.7 g of bismuth laurate. The release agent includes: oxidized polyethylene wax 1g, methyl silicone oil 4g.

[0020] The polypropylene composite was prepared by the following process: mix 6g of tapioca starch and 70g of phosphate buffer with a pH value of 5.2-5.8 evenly, add 0.02g of pullulanase for enzymolysis for 20h, inactivate the enzyme, add 6g of egg yolk lecithin, 20g of polymer Propylene, 2g of 1,2-ethanedithiol, and 0.8g of benzophenone were mixed uniformly, treated...

Embodiment 3

[0022] A wear-resistant polyurethane material for fork wheels, the raw materials of which include: 85g of polyoxypropylene diol, 18g of 1,6-hexamethylene diisocyanate trimer, 7g of trimethylolpropane, 7g of pentaerythritol, 8g of polypropylene compound, catalyst 3.5g, trimethylpentanediol 5g, talcum powder 12g, glass fiber 12g, diatomaceous earth 7g, surfactant 2.5g, sulfur accelerator 3.5g, sodium bicarbonate 5g, release agent 7g, toner 2.5g .

[0023] The catalyst includes: 1.7 g of dibutyltin dilaurate and 0.5 g of bismuth laurate. The release agent includes: oxidized polyethylene wax 1.8g, methyl silicone oil 2.5g.

[0024] The polypropylene composite was prepared by the following process: mix 9g of tapioca starch and 55g of phosphate buffer with a pH value of 5.2-5.8 evenly, add 0.035g of pullulanase for enzymolysis for 16 hours, inactivate the enzyme, add 9g of egg yolk lecithin, 17g of polymer Propylene, 3.5g of 1,2-ethanedithiol, and 0.5g of benzophenone were mixed u...

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PUM

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Abstract

The invention discloses an wear-resistant polyurethane material for wheels for forklift trucks. The wear-resistant polyurethane material comprises, by weight, 80-100 parts of polypropylene oxide glycol, 10-20 parts of 1, 6-hexamethylene diisocyanate tripolymers, 6-10 parts of trimethylolpropane, 4-8 parts of pentaerythritol, 7-12 parts of polypropylene compounds, 2-4 parts of catalysts, 4-8 partsof trimethylpentanediol, 7-13 parts of talc powder, 10-20 parts of glass fibers, 4-8 parts of diatomaceous earth, 2-4 parts of surfactants, 2-4 parts of vulcanization accelerators, 4-6 parts of sodiumbicarbonate, 4-8 parts of mold release agents and 2-4 parts of toner. A process for preparing the polypropylene compounds includes uniformly mixing cassava starch and phosphate buffer solution with each other to obtain first mixtures; adding pullulanase into the first mixtures, carrying out enzymatic hydrolysis and deactivating enzymes; adding egg yolk lecithin, polypropylene, 1, 2-dithioglycol and benzophenone into the first mixtures and uniformly mixing the egg yolk lecithin, the polypropylene, the 1, 2-dithioglycol, the benzophenone and the first mixtures with one another to obtain secondmixtures; carrying out normal-pressure dielectric barrier discharge plasma treatment; carrying out ultraviolet irradiation, washing and drying to obtain the polypropylene compounds.

Description

technical field [0001] The invention relates to the technical field of polyurethane, in particular to a wear-resistant polyurethane material for fork wheels. Background technique [0002] In the forklift wheel, due to the strong hygroscopicity and poor dimensional stability of the nylon wheel used, it is easy to deform and damage in a humid environment, and is prone to safety accidents. Due to the high hardness of the polyurethane material and its superior water and oil resistance, polyurethane materials are widely used at present, but Due to the shortcomings of polyurethane materials that cannot meet the demand for wear resistance, it has become a short board restricting its development. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a wear-resistant polyurethane material for fork wheels, which has an excellent toughening effect, greatly improves the wear resistance and aging resista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/79C08G18/66C08G18/48C08G18/32C08G18/24C08G18/22C08K13/04C08K7/14C08K3/34C08L23/12B60C1/00
CPCB60C1/00C08G18/227C08G18/246C08G18/3206C08G18/4825C08G18/6677C08G18/792C08G2380/00C08K3/34C08K7/14C08K13/04C08K2201/014C08L23/12
Inventor 龚文祥
Owner CHUZHOU GLOBAL POLYURETHANE TECH CO LTD
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