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Coating material for coating aldehyde-free impregnated thermosetting resins paper

A technology of impregnating adhesive film paper and coating, applied in paper coating, coating, papermaking and other directions, can solve the problems of uneven level of practicability and great damage, and achieve the effect of good physical and chemical properties and good curing effect

Inactive Publication Date: 2021-11-02
JIANGSU HIMONIA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wherein the UV coating is arranged on the surface layer, which can expand the scope of use of the impregnated film paper. There are many UV coatings in the prior art, and the practicability of its components is also uneven. Many coatings will produce VOCs pollution, which is harmful to the environment and the human body. The harmfulness is extremely large, based on this, the present invention discloses a kind of environment-friendly UV coating used for coating aldehyde-free impregnated film paper

Method used

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Examples

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Effect test

Embodiment 1

[0018] The UV coating in the present embodiment is made up of following components: polycarbonate is 113 parts, and the polymerization degree of described polycarbonate is between 30~40; Isocyanate is 91 parts; The quality of polycarbonate and isocyanate addition amount Ratio is 1:1; Nanocellulose is 32 parts, and the particle diameter of described nanocellulose is between 60~90nm; Photoinitiator is 12 parts, and described photoinitiator is cumene hydroperoxide or One of tert-butyl hydroperoxide; 12 parts of ethyl 4-dimethylamino-benzoate; 28 parts of ethyl acetate.

Embodiment 2

[0020] The UV coating in the present embodiment is made up of following components: polycarbonate is 120 parts, and the polymerization degree of described polycarbonate is between 30~40; Isocyanate is 100 parts; The quality of polycarbonate and isocyanate addition amount Ratio is 1:1; Nanocellulose is 40 parts, and the particle diameter of described nanocellulose is between 60~90nm; Photoinitiator is 15 parts, and described photoinitiator is cumene hydroperoxide; 15 parts of ethyl 4-dimethylamino-benzoate; 30 parts of ethyl acetate.

Embodiment 3

[0022] The UV coating in the present embodiment is made up of following components: polycarbonate is 100 parts, and the polymerization degree of described polycarbonate is between 30~40; Isocyanate is 80 parts; The quality of polycarbonate and isocyanate addition amount Ratio is 1:1; Nanocellulose is 20 parts, and the particle diameter of described nanocellulose is between 60~90nm; Photoinitiator is 10 parts, and described photoinitiator is cumene hydroperoxide or One of tert-butyl hydroperoxide; 10 parts of ethyl 4-dimethylamino-benzoate; 20 parts of ethyl acetate.

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Abstract

The invention discloses a UV coating material for coating aldehyde-free impregnated thermosetting resins paper, and belongs to the field of coating material preparation. The UV coating material is prepared from the following components by mass: 100 to 120 parts of polycarbonate, 80 to 100 parts of isocyanate, 20 to 40 parts of nano cellulose, 10 to 15 parts of a photoinitiator, 10-15 parts of a UV curing agent, and 20 to 30 parts of a solvent. According to the invention, polycarbonate with low polymerization degree is adopted as a base material, and the material has good physicochemical properties and belongs to an environment-friendly material; isocyanate and the polycarbonate with low polymerization degree are compounded for use, so that the UV coating material belongs to an environment-friendly UV material; and peroxide of cumene hydroperoxide or tert-butyl hydroperoxide is adopted as a photoinitiator and is combined with a UV curing agent of 4-dimethylamino-ethyl benzoate for use, so that the curing effect is good, and the photoinitiator can be rapidly cured to form a net-shaped polymer surface layer under the irradiation of ultraviolet light during use.

Description

technical field [0001] The invention belongs to the field of coating preparation, in particular to a UV coating for coating formaldehyde-free impregnated film paper. Background technique [0002] Impregnated adhesive film paper, also known as "melamine" paper in this field, is a kind of adhesive paper with a certain resin content and volatile matter content after being impregnated with amino resin and then dried to a certain extent. It can be glued to each other by hot pressing Or glued with wood-based panel substrate. [0003] But the above-mentioned impregnated film paper is only a kind of preliminary product, and generally also needs to go through follow-up process treatment. Through the subsequent treatment, the impregnated film paper can be endowed with a beautiful material appearance effect, or the physical properties can be improved to expand the scope of use. Wherein the UV coating is arranged on the surface layer, which can expand the scope of use of the impregnat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H19/16D21H19/34D21H21/52D21H19/24D21H19/14C08G64/42
CPCD21H19/16D21H19/34D21H21/52D21H19/24D21H19/14C08G64/42
Inventor 吴志飞陈明贵
Owner JIANGSU HIMONIA TECH
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