Antistatic wear-resistant floor coating and preparation method thereof
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A floor coating and anti-static technology, applied in conductive coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of slow response and low strength
Inactive Publication Date: 2020-10-23
MIANYANG HUILI EPOXY ENG
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The curing of this invention depends on the reaction of component A with the water vapor in the air, the reaction speed is slow and the strength is low
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Embodiment 1
[0028] A component:
[0029] 30 parts of grease polyol, 18 parts of conductive mica powder, 25 parts of silicon micropowder, 2 parts of dispersant, 0.5 part of defoamer, 0.2 part of wetting agent, 0.3 part of leveling agent, 5 parts of zeolite powder, 15 parts of pigment, poly 4 parts of tetrafluoroethylene wax powder; among them, the oil polyol needs to be dehydrated under vacuum at high temperature, the temperature is 120°C, the vacuum degree is ≥0.1, and the dehydration is 4 hours. The conductive materials, fillers, and pigments need to be dehydrated at 130°C for 3 hours. Stir the above raw materials evenly and then seal and package to obtain component A;
[0030] Component B: 5 parts of oil polyol, 95 parts of polyisocyanate, dehydrate the oil polyol in a vacuum degree ≥ 0.1, 120°C for 5 hours, and cool it for use. Add isocyanate according to the proportion of the formula, stir and heat up, and react at 80°C for 2 hours. During the reaction, dry nitrogen is introduced. Af...
Embodiment 2
[0034] A component:
[0035] 30 parts of grease polyol, 18 parts of conductive mica powder, 1 part of single-walled carbon nanotube, 24 parts of silicon micropowder, 2 parts of dispersant, 0.5 part of defoamer, 0.2 part of wetting agent, 0.3 part of leveling agent, zeolite powder 5 parts, 15 parts of pigment, 4 parts of polytetrafluoroethylene wax powder; among them, the oil polyol needs to be dehydrated under vacuum at high temperature, the temperature is 120 ° C, the vacuum degree is ≥ 0.1, and the dehydration is 4 hours. Conductive materials, fillers, and pigments need to be dehydrated at 130 ° C. Bake at high temperature for 3 hours to dehydrate, stir the above raw materials evenly, seal and pack to obtain component A;
[0036] Component B: 5 parts of oil polyol, 95 parts of polyisocyanate, dehydrate the oil polyol in a vacuum degree ≥ 0.1, 120°C for 5 hours, and cool it for use. Add isocyanate according to the proportion of the formula, stir and heat up, and react at 80°...
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Abstract
The invention discloses an antistatic wear-resistant floor coating and a preparation method thereof. The coating comprises a component A, a component B and a component C, wherein the component A comprises 30-40 parts by weight of grease polyol; 15 to 20 parts by weight of a conductive material, 20 to 25 parts by weight of a filler, 0.1 to 2 parts by weight of a dispersant, 0.1 to 1 part by weightof an antifoaming agent, 0.1 to 1 part by weight of a wetting agent, 0.1 to 1 part by weight of a leveling agent, 3 to 8 parts by weight of zeolite powder, 10 to 15 parts by weight of a pigment and 2to 5 parts by weight of polytetrafluoroethylene wax powder; the component B comprises the following components in parts by weight: 5-20 parts of grease polyol and 70-95 parts of polyisocyanate; and the component C is 100 parts by weight of quartz sand or corundum powder. The floor coating is convenient to operate and low in consumption, and can meet the requirements of production plants, assemblyworkshops and the like on anti-static performance.
Description
technical field [0001] The invention relates to the technical field of polyurethane coatings, in particular to an antistatic wear-resistant floor coating and a preparation method thereof. Background technique [0002] At present, the conductive materials used in antistatic coatings in my country can be divided into two categories according to their composition and conductive mechanism: structural type (also known as intrinsic type) and composite type (also known as additive type). The conductive material of the intrinsic conductive coating is the polymer itself. The conductive material of the additive conductive coating is a conductive substance added to the insulating polymer, and the high polymer has conductivity by using the conductive effect of the conductive substance. [0003] Usually "human body voltage" is used to measure the size of electrostatic value, referred to as BVG. In explosion-proof, flammable and explosive areas and areas where electronic components are ...
Claims
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