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High-thixotropic flame-retardant water-based transparent nail-free glue and preparation method thereof

A high thixotropic, nail-free adhesive technology, applied in the direction of adhesives, non-polymer adhesive additives, adhesive types, etc., can solve the problems of affecting the appearance, low environmental protection level, generation of smoke and toxic gases, etc., to avoid Effects of adverse effects, good environmental friendliness, excellent transparency

Pending Publication Date: 2022-05-24
GLEIHOW NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solvent-based nail-free glue, moisture-curing nail-free glue, and water-based nail-free glue usually contain a large amount of organic polymer compounds, and these substances are relatively flammable. After the glue is cured, there is a danger of fire.
At the same time, when the cured film is burned, smoke and toxic gases will be produced, which will bring disaster to the environment and damage people's health.
[0004] In addition, the current nail-free adhesive products on the market are mainly non-transparent products, and transparent nail-free adhesives are relatively rare and are all solvent-volatile and moisture-curing types, and the environmental protection level of the products is low.
And water-based transparent nail-free glue has not been reported
Because the colloid of the nail-free glue is opaque, when bonding transparent materials such as glass, acrylic, and PVC sheets, it is impossible to achieve "markless" bonding, which affects the appearance
[0005] In summary, these unfavorable factors have affected the use and promotion of nail-free glue

Method used

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  • High-thixotropic flame-retardant water-based transparent nail-free glue and preparation method thereof
  • High-thixotropic flame-retardant water-based transparent nail-free glue and preparation method thereof
  • High-thixotropic flame-retardant water-based transparent nail-free glue and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] The composition ratio of a highly thixotropic flame retardant water-based transparent nail-free adhesive:

[0043]

[0044] The preparation method is as follows:

[0045] ①Preparation of pre-emulsion

[0046] Add 105g deionized water, 3.0g SR-10, 3.0g ER-10 emulsifier in sequence to the emulsifier and stir for 1 hour until the dispersion is uniform to obtain an emulsifier aqueous solution; add mixed monomers (110g styrene, 189g butyl acrylate) to the emulsifier aqueous solution dropwise ester, 16 g of acrylic acid, 14 g of 4-hydroxybutyl acrylate, 28 g of hydroxyethyl methacrylate phosphate), and stirred for 1 hour until the dispersion was uniform, and 468 g of a pre-emulsion was obtained.

[0047] ② Preparation of seed emulsion

[0048] a. Dissolve 1.4g of ammonium persulfate in 10g of deionized water to prepare 11.4g of initiator aqueous solution;

[0049] b, successively add 200g deionized water, 1.4g sodium citrate, 20g pre-emulsion, 0.5g SR-10, 0.5g ER-10 emu...

Embodiment 2

[0056] The composition ratio of a highly thixotropic flame retardant water-based transparent nail-free adhesive:

[0057]

[0058]

[0059] The preparation method is as follows:

[0060] ①Preparation of pre-emulsion

[0061] Add 105g deionized water, 10g SR-10, 3g ER-10 emulsifier in turn to the emulsifier and stir for 1 h until the dispersion is uniform; add mixed monomers (98g styrene, 168g butyl acrylate, 14g acrylic acid, 28g 4 -Hydroxybutyl acrylate, 42 g of hydroxyethyl methacrylate phosphate), stirred for 1 h until the dispersion was uniform, and 468 g of a pre-emulsion was obtained.

[0062] ② Preparation of seed emulsion

[0063] a. Dissolve 2.0 g of ammonium persulfate in 10 g of deionized water to prepare 12 g of an aqueous initiator solution;

[0064] b. Add 181.3g deionized water, 2.0g sodium citrate, 20g pre-emulsion, 0.5g SR-10, 0.5g ER-10 emulsifier successively to the reaction kettle and heat up to 78°C with stirring; add 3.3g initiator to the reactio...

Embodiment 3

[0071] The composition ratio of a highly thixotropic flame retardant water-based transparent nail-free adhesive:

[0072]

[0073] The preparation method is as follows:

[0074] ①Preparation of pre-emulsion

[0075] Add 105g deionized water, 14.5g SR-10, 5.5g ER-10 emulsifier in sequence to the emulsifier and stir for 1 h until dispersed uniformly; add mixed monomers (98g styrene, 168g butyl acrylate, 14g acrylic acid, 16 g of 4-hydroxybutyl acrylate, 28.6 g of hydroxyethyl methacrylate phosphate), stirred for 1 hour until dispersed uniformly, and obtained 449.6 g of pre-emulsion.

[0076] ② Preparation of seed emulsion

[0077] a. Dissolve 2.0 g of ammonium persulfate in 10 g of deionized water to prepare 12 g of an aqueous initiator solution;

[0078] b, successively add 200g deionized water, 2.0g sodium citrate, 20g pre-emulsion, 0.5gSR-10, 0.5gER-10 emulsifier to the reaction kettle and heat up to 78°C with stirring; add 3.3g aqueous initiator solution to the reactio...

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Abstract

The invention provides high-thixotropic flame-retardant water-based transparent nail-free glue which comprises the following components in percentage by mass: 40-45% of a reaction monomer, 10-20% of a flame retardant, 10-20% of a solvent and 10-20% of a solvent. 2%-4% of a functional monomer; 4%-6% of a flame-retardant monomer; 1.0%-3.0% of a compound emulsifier; 40%-45% of deionized water; 0.2%-0.3% of ammonium persulfate; 0.2%-0.3% of sodium citrate; 1.0%-2.0% of a pH regulator; 0.1%-0.2% of a bactericide; and 2.5%-4.0% of silica sol. The invention also provides a preparation method of the high-thixotropy flame-retardant water-based transparent nail-free glue. The nail-free glue provided by the invention has excellent thixotropic ability, can be constructed on a vertical face, and meanwhile, due to the introduction of the flame-retardant monomer to participate in copolymerization, the glue solution has flame-retardant ability. The nail-free glue is in a transparent state after being cured, and traceless bonding of materials can be achieved.

Description

technical field [0001] The invention belongs to the field of environmental protection adhesives, and particularly relates to a high thixotropic flame retardant water-based transparent nail-free adhesive and a preparation method thereof. Background technique [0002] Nail-free adhesive, also known as liquid nail, is a multi-functional decorative adhesive with strong adhesion, which can replace nails to achieve nail-free bonding. Nail-free adhesive has the characteristics of fast curing speed, high bonding strength, wide application range and convenient use. It is widely used in decoration, furniture manufacturing, handicraft production and other industries. [0003] Nail-free glue can be divided into solvent-volatile type, moisture-curable type, and water-based nail-free glue according to the composition. Solvent-based nail-free glue, moisture-curable nail-free glue, and water-based nail-free glue usually contain a large amount of organic polymer compounds, and these substan...

Claims

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Application Information

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IPC IPC(8): C09J133/08C09J11/04C08F220/18C08F212/08C08F220/06C08F220/20C08F230/02C08F2/26C08F2/30
CPCC09J133/066C09J11/04C08F220/1804C08F2/26C08F2/30C08F212/08C08F220/06C08F220/20C08F230/02C08K3/36
Inventor 夏令明杨猛王德鹏孙清宇王冠璋
Owner GLEIHOW NEW MATERIALS CO LTD
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