Gradual intensity electron beam radiation coating solidification process

A technology of electron beam radiation and curing process, which is applied in the field of radiation curing, can solve the problems of poor adhesion and different energy at the interface contact, and achieve strong adhesion, large coating thickness and environmental friendliness

Active Publication Date: 2017-03-08
YIXING HONGTAI CHEM +1
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  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problem of different energy required for curing the surface layer and the deep layer, and poor adhesion at the interface contact during curing, and at the same time ensure the thoroughness and anti-corrosion performance of the deep layer curing, the invention provides an electron beam radiation coating curing process with gradually changing strength

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  • Gradual intensity electron beam radiation coating solidification process

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Embodiment 1

[0028] Coating the paint on the metal parts, the metal parts are 80mm×80mm stainless steel plates, the coating thickness is 200μm, and cured by electron beam radiation in a vacuum environment, the curing parameters are: radiation voltage 400KeV; electron beam dose 40KGy; beam current 100mA; electronic accelerator drive speed 100m / min; vacuum degree 10 -3 bar, time 1.3s. During the electron beam irradiation process, the electron beam intensity E applied in the first 0.1s is 1250μW / cm 2 , and then start from 0.1s, apply the electron beam intensity according to E=125 / t, and stop the application at 1.3s to complete the curing of the coating.

Embodiment 2

[0030] The paint is coated on the metal parts, the metal parts are 80mm×80mm stainless steel plates, the coating thickness is 500μm, and it is cured by electron beam radiation in a vacuum environment. The curing parameters are: radiation voltage 1MeV; electron beam dose 100KGy; beam current 150mA; electronic accelerator drive speed 850m / min; vacuum degree 10 -1 bar, time 2.5s. During the electron beam irradiation process, the electron beam intensity E applied in the first 0.1s is 2408μW / cm 2 , and then start from 0.1s, apply the electron beam intensity according to E=240.8 / t, and stop the application at 2.5s to complete the curing of the coating.

Embodiment 3

[0032] The paint is coated on the metal parts, the metal parts are 80mm×80mm stainless steel plates, the thickness of the coating is 300μm, and it is cured by electron beam radiation in a nitrogen environment. The curing parameters are: radiation voltage 800KeV; electron beam dose 60KGy; Current 120mA; electronic accelerator drive speed 300m / min; nitrogen concentration 300mg / L, time 0.6s. During the electron beam irradiation process, the electron beam intensity E applied in the first 0.1s is 586μW / cm 2 , and then start from 0.1s, apply the electron beam intensity according to E=58.6 / t, stop the application at 0.6s, and complete the curing of the coating.

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Abstract

The invention discloses a gradual intensity electron beam radiation coating solidification process. The invention bases on the solidification technics of electron beam radiation, adopts a solidifying form of gradual intensity, and mainly is used for solidifying coating with thickness at 100Mum-500Mum, the electron beam intensity is accurately controlled by a computer program, and achieves a dynamic coordination with the solidified thickness of the coating. On one hand, the process bases on the solidification of electron beam radiation, solves the problems of high energy consumption and inadequate depth by solidifications of traditional ultraviolet ray, one the other hand, the process adopts a solidifying form of gradual intensity, respectively solidifies the surface and the insides of the coating, further solves the problem of unenven solidifications of an inside and outside layer membrance when intermittently solidifying ultraviolet-electron beam, thereby increases the direct adherence force of the coating and a base material, enables the coating to possess superior abrasion tolerance and anti erosion property, meanwhile the process reduces unnecessary energy consumption when solidifying the electron beam at a single intensity. The obtained coating from the provided solidification process can be applied to the field of metal corrosion repreventions, meanwhile can achieve the coating and dressing of rusty surfaces.

Description

technical field [0001] The invention belongs to the technical field of radiation curing, in particular to an electron beam radiation coating curing process with gradually changing intensity. Background technique [0002] At present, with the gradual improvement of people's awareness of environmental protection, light-curing coatings are widely used as a new generation of environmentally friendly coatings. Ultraviolet (UV) light-curing coating is to cure the resin by UV light irradiation. The system does not contain volatile organic compounds (VOC), and the curing speed is fast and the efficiency is high. However, UV energy consumption is large, and there is a radiation "blind zone" for workpieces with complex shapes, which cannot be effectively cured, and the UV coating has a low curing thickness (below 100 μm), deep curing is not complete, and the coating and the substrate are in the presence of corrosive media. Adhesion to the problem of anti-corrosion performance and deg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D3/06C09D4/02C09D4/06C09D7/12C09D5/08
CPCB05D3/06C09D4/06C09D5/08C09D7/61C09D7/70
Inventor 陈朝岚王章忠杭祖圣怀旭吴玉民吴刚强彭叶郭猛
Owner YIXING HONGTAI CHEM
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