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Nano epoxy coating and preparation method thereof

A technology of epoxy nano- and nano-coating, which is applied to coatings, devices for coating liquid on surfaces, and pre-treated surfaces, etc., which can solve electronic signal attenuation, abnormal use, and poor heat dissipation and electrical conductivity of the substrate and other problems to achieve the effect of avoiding damage, improving bonding force, and avoiding heat dissipation difficulties

Active Publication Date: 2019-01-29
JIANGSU FAVORED NANOTECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at this thickness, the barrier properties of the coating itself will easily lead to poor heat dissipation and electrical conductivity of the substrate.
Especially when it is used in a place with high requirements on electronic signals such as the interface of electronic components, it is easy to cause the electronic signal of the processed product to be greatly attenuated and cannot be used normally; the construction process also determines that these epoxy coatings exist in the matrix Inhomogeneous surface coverage where parts of the device are not effectively protected by the coating

Method used

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  • Nano epoxy coating and preparation method thereof
  • Nano epoxy coating and preparation method thereof
  • Nano epoxy coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A kind of epoxy nano-coating and preparation method thereof, through following steps:

[0031] (1) Place the iron block in the 200L plasma vacuum reaction chamber, and continuously evacuate the reaction chamber to make the vacuum degree reach 0.8 millitorr.

[0032] (2) Introduce helium gas with a flow rate of 50 sccm, turn on the radio frequency plasma discharge to pretreat the iron substrate (that is, turn on the radio frequency pretreatment plasma discharge), the discharge power in the pretreatment stage is 20W, and the discharge lasts for 100s .

[0033] (3) The nano-coating was prepared by chemical vapor deposition on the surface of the substrate by introducing monomer S1. The flow rate of the monomer was 150 μL / min. The plasma discharge for pretreatment was adjusted to the plasma discharge for deposition. In this deposition stage, the plasma in the cavity is generated by radio frequency discharge, the output mode is pulse, the pulse width is 5μs, the repetition ...

Embodiment 2

[0039] A kind of epoxy nano-coating and preparation method thereof, through following steps:

[0040] (1) The magnesium alloy is placed in an 800L plasma vacuum reaction chamber, and the reaction chamber is continuously evacuated so that the vacuum degree reaches 50 mTorr.

[0041](2) Introduce helium gas with a flow rate of 50 sccm, turn on the radio frequency plasma discharge to pretreat the magnesium alloy substrate (that is, turn on the radio frequency pretreatment plasma discharge), the discharge power in the pretreatment stage is 20W, and the discharge lasts for 100s .

[0042] (3) The nano-coating was prepared by chemical vapor deposition on the surface of the substrate by introducing monomer S2. The flow rate of the monomer was 300 μL / min. The plasma discharge for pretreatment was adjusted to the plasma discharge for deposition.

[0043] In this deposition stage, the plasma in the cavity is generated by radio frequency discharge, the output mode is pulse, the pulse w...

Embodiment 3

[0046] Compared with Example 1, step (1) is evacuated to 100 mTorr; in step (2), monomer S1 is replaced with monomer S3; same.

[0047]

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Abstract

The invention provides a nano epoxy coating and a preparation method thereof. A base material is exposed in a monomer of the nano epoxy coating, and a protection coating is formed through chemical reaction of plasma discharge on the surface of the base material. The polymerization reaction of an epoxy compound is triggered through a plasma technology, damage to integrity of the molecular structureof the monomer caused by a high-power discharge means is avoided, and meanwhile, the problem of heat dissipation difficulty caused by epoxide implosion is solved.

Description

technical field [0001] The invention relates to the technical field of plasma chemical vapor deposition, in particular to an epoxy nano coating and a preparation method thereof. Background technique [0002] Epoxy compounds refer to compounds containing oxirane. After ring-opening polymerization, the main chain contains ether bonds, and has excellent chemical resistance, especially acid, alkali, and oxidation resistance. In addition, epoxy compounds have good adhesion to the surface of many substrates, especially metal surfaces. After crosslinking, they are rigid, heat-resistant and wear-resistant; It has a great tendency and is easy to form polymers, so epoxy resins are widely used in the coatings industry. CN102229777A "A Hydrophobic and Oleophobic Epoxy Coating and Its Preparation and Application Method" By introducing low surface energy substances and nanoparticles and using the principle of microphase separation, the prepared epoxy coating has strong hydrophobic and ol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D1/00B05D3/14
CPCB05D1/62B05D3/142
Inventor 宗坚
Owner JIANGSU FAVORED NANOTECHNOLOGY CO LTD
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