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A technology of solid lubrication and ultraviolet light, which is applied in polyurea/polyurethane coatings, coatings, etc.
Inactive Publication Date: 2018-07-31
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI +1
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Problems solved by technology
So far, there are few related research and application reports on the introduction of UV curing technology into bonded solid lubricating coatings to prepare new bonded solid lubricating coatings.
Method used
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[0025] Preparation process: Dissolve photoinitiator 1-hydroxycyclohexyl phenyl ketone, diphenyltrimethylbenzoyl phosphineoxide, ethyl 4-dimethylaminobenzoate into active monomer 1, 6-hexanedi Alcohol diacrylate, then add oligomer difunctional polyurethaneacrylate and coupling agent γ-methacryloxypropyltrimethoxysilane and mix evenly; polytetrafluoroethylene and nano-lanthanumtrifluoride are respectively After grinding and dispersing, add it to the above mixture to disperse evenly; then add diluentxylene and stir evenly to obtain a UV-curable polytetrafluoroethylene-based bonded solid...
[0036] 2. The preparation and performance of the coating: the same as in Example 1.
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Abstract
The invention discloses an ultraviolet light-curing polytetrafluoroethylene-based bonded solid lubricating coating. The ultraviolet light-curing polytetrafluoroethylene-based bonded solid lubricatingcoating is prepared by the steps of: uniformly mixing oligomer, active monomer, a photoinitiator and a coupling agent; then adding ground and dispersed lubricant and filler, then adding a diluent, anduniformly mixing to obtain the ultraviolet light-curing polytetrafluoroethylene-based bonded solid lubricating coating. The ultraviolet light-curing polytetrafluoroethylene-based bonded solid lubricating coating is prepared from the following components in percent by mass: 4.00-10.00% of oligomer, 1.00-2.00% of active monomer, 0.20-0.50% of photoinitiator, 0.70-1.40% of coupling agent, 6.0-14.0%of lubricant, 0.50-1.50% of filler and the balance of diluent. By detection, the ultraviolet light-curing polytetrafluoroethylene-based bonded solid lubricating coating disclosed by the invention hasgood friction-reducing and wear-resisting properties and excellent physical and chemical properties, is used for sliding parts of mechanical equipment, can reduce the friction and the wear among the friction parts effectively and can play a role in protecting the surface and prolonging the service lives of the parts.
Description
technical field [0001] The invention relates to a bonded solid lubricating coating, in particular to an ultraviolet-cured polytetrafluoroethylene-based bonding solid lubricating coating, which is mainly used on sliding parts of mechanical equipment. Background technique [0002] Bonded solid lubricating coating (also known as lubricating dry film) is one of the main types of solid lubricating materials. As a special lubricating coating material, it mainly solves harsh working conditions by improving or improving the anti-friction and anti-wear properties of the friction pair surface, such as ultra-high temperature, ultra-low temperature, high vacuum, strong oxidation, strong corrosion, high speed and heavy load The lubrication and wear problems of moving parts under such conditions have been widely used in high-tech fields such as civil industry and aerospace. A large amount of organic solvents are added to traditional solvent-based bonding solid lubricating coatings, and t...
Claims
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Application Information
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