A kind of graphene amine-aldehyde resin for impregnation and its preparation method and application

A technology of enamino-aldehyde resin and graphene, which is applied in textiles and papermaking, papermaking, coating, etc., can solve the problems of poor plasticity, easy bursting, and resistance to scratches, etc.

Active Publication Date: 2020-04-03
沭阳宇涛新型装饰材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the actual application process, as a terminal product, due to the defects of the material itself, there are many industry common problems such as poor plasticity, easy to burst, and not resistant to scratches, which make the production, installation and use of decorative panels troubled.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A graphene amine-aldehyde resin for impregnation, used to produce impregnated film paper, its components include formaldehyde, melamine, water, urea, aldehyde absorbent, graphene, 906 triamine auxiliary agent, obtained through the following steps:

[0031] 1) Configure graphene amine-formaldehyde resin, add 100 parts by weight of 37%wt formaldehyde and 40 parts by weight of water into the reactor, heat the reactor to 20°C-30°C by turning on the steam, turn on the stirrer, and oxidize with 30% hydrogen The sodium solution adjusts the pH value to 8.5;

[0032] 2) Add 80 parts by weight of melamine, continue to heat up, and add 10 parts by weight of 906 triamine additive when the melamine turns clear;

[0033] 3) Continue to turn on the steam and heat the reactor to 90°C, stop the gas and keep it for 10 minutes, then heat up to 93°C-96°C for polycondensation reaction;

[0034] 4) When it is detected that the mixing ratio of water and mixture is 1:2.2, turn on the cooling ...

Embodiment 2

[0040] 1) Configure graphene amine-aldehyde resin, add 120 parts by weight of 37%wt formaldehyde and 45 parts by weight of water into the reactor, heat the reactor to 20°C-30°C by turning on the steam, turn on the stirrer, and oxidize with 30% hydrogen The sodium solution adjusts the pH value to 9;

[0041] 2) Add 80 parts by weight of melamine, continue to heat up, and add 10 parts by weight of 906 triamine additive when the melamine turns clear;

[0042] 3) Continue to turn on the steam and heat the reactor to 90°C, stop the gas and keep it for 10 minutes, then heat up to 93°C-96°C for polycondensation reaction;

[0043] 4) When it is detected that the mixing ratio of water and mixture is 1:2.3, turn on the cooling water to cool down;

[0044] 5) When the temperature is lowered to 85°C, 3 parts by weight of urea and 1.2 parts by weight of aldehyde absorbent are added;

[0045] 6) Add 0.05 parts by weight of graphene when the temperature is lowered to 60°C;

[0046] 7) Aft...

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Abstract

The invention discloses graphene amine aldehyde resin for impregnation and a preparation method and application thereof. The graphene amine aldehyde resin is used for producing impregnated bond paper and prepared from formaldehyde, melamine, water, urea, an aldehyde absorbent, graphene and a 906 triamine assistant; the components are mixed, reacted, processed and molded. According to the invention, the graphene is introduced, the graphene amine aldehyde resin prepared by use of the transparency, high strength and weather resistance of the graphene is mixed with amino resin through a coupling technology, the mixture is applied to decorative printing paper by impregnation equipment to obtain bond paper which is assembled and pressed to fit a board; the board has the physical and chemical indexes such as surface gloss, scratch resistance, impact resistance, cold-hot circulation resistance and water resistance and is obviously superior to a board (decorative board) obtained after the press fit of conventional bond paper; the technical indexes of the resin are that the pH value is 6.0-8.5, the viscosity is 0.3-0.4Pa.s, the water mixing ratio is 1:(1.5-2.5), and the solid content is 48-55%.

Description

technical field [0001] The invention relates to the field of fine chemical synthesis, in particular to a graphene amine-aldehyde resin for impregnation and its preparation method and application. Background technique [0002] Impregnated decorative paper is a kind of decorative base paper that is printed with patterns such as artificial wood grain and artificial stone pattern, then impregnated with resin glue and dried to make a film paper, which is pressed and pasted on the surface of the artificial board under high temperature and high pressure conditions. A decorative face paper for decoration and protection. [0003] Amino resin is widely used in impregnating decorative film paper, and its products are widely used in decorative fields such as furniture, floors, and door panels. However, in the actual application process, as a terminal product, due to the defects of the material itself, there are many industry common problems such as poor plasticity, easy to burst, and n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G12/38C08K3/04D21H19/10
CPCC08G12/38C08K3/04D21H19/10
Inventor 王占民李洋周晓妹
Owner 沭阳宇涛新型装饰材料有限公司
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