Water-based sponge spray adhesive as well as preparation method and application thereof

A water-based, sponge technology, used in adhesives, adhesive types, adhesive additives, etc., can solve the problems of complex preparation, unsuitable for wide application, etc., and achieve the effects of simple preparation method, broad market application prospects, and low raw material cost.

Active Publication Date: 2020-09-15
THE SECOND PEOPLES HOSPITAL OF SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its preparation is complicated, and it contains toxic substances such as formaldehyde, so it is not suitable for wide application.

Method used

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  • Water-based sponge spray adhesive as well as preparation method and application thereof
  • Water-based sponge spray adhesive as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] In this example, the water-based environmentally friendly spray glue is prepared through the following steps.

[0043] (1) the tapioca dextrin of quality 0.3kg is dissolved in 0.7kg water, adds 0.05kg graphene, is warming up to 90 ℃, stirs through 30min, obtains solution A;

[0044] (2) cooling the solution A obtained in step (1) to 30° C., adding 7g sodium benzoate, and 4.0g chitin, and stirring for 10min to obtain starch solution B;

[0045] (3) 0.25kg of neoprene emulsion was added to the solution B obtained in step (2), and stirred for 20min to obtain water-based sponge spray glue.

Embodiment 2

[0047]In this example, the water-based environmentally friendly spray glue is prepared through the following steps.

[0048] (1) the cornstarch of quality 0.2kg is dissolved in 0.8kg water, adds 0.1kg graphene, is warming up to 95 ℃, stirs through 50min, obtains solution A;

[0049] (2) cooling the solution A obtained in the step (1) to 40° C., adding 10 g of sodium benzoate, and 8.0 g of chitin, and stirring for 25 min to obtain a starch solution B;

[0050] (3) Add 0.75kg of neoprene emulsion to the solution B obtained in step (2), and stir to obtain water-based sponge spray glue for 30min.

Embodiment 3

[0052] In this example, the water-based environmentally friendly spray glue is prepared through the following steps.

[0053] (1) the potato starch of quality 0.4kg is dissolved in 0.6kg water, adds 0.08kg graphene, is warming up to 80 ℃, stirs through 15min, obtains solution A;

[0054] (2) cooling the solution A obtained in the step (1) to 20° C., adding 5g sodium benzoate, and 5g chitin, and stirring for 5min to obtain starch solution B;

[0055] (3) Add 0.3 kg of neoprene emulsion to the solution B obtained in step (2), and stir to obtain water-based sponge spray glue for 10 min.

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Abstract

The invention provides a water-based sponge spray adhesive as well as a preparation method and an application thereof, and the method comprises the following steps: (1) dissolving starch and / or dextrin in water, adding graphene, heating, and uniformly stirring to obtain a solution A; (2) cooling the solution A obtained in the step (1), adding sodium benzoate and chitin, and stirring to obtain a solution B; and (3) adding neoprene emulsion into the solution B obtained in the step (2), and stirring to obtain the water-based sponge spray adhesive. The preparation method provided by the inventionis simple in process, high in operation speed and low in raw material cost, and has remarkable advantages, and the water-based environment-friendly sponge spray adhesive prepared by the preparation method is high in viscosity, high in adhesion degree, green and environment-friendly, has very wide market application prospect, and is a real environment-friendly product.

Description

technical field [0001] The invention belongs to the field of fine polymer chemical industry, and particularly relates to a water-based sponge spray glue and a preparation method and application thereof. Background technique [0002] The application of spray glue is very wide, used for the bonding of sofa sponge, foam, cloth, leather, paper, wood, plastic, PVC, PE, EVA, metal, rubber, insulation cotton, fireproof board, aluminum-plastic board and other materials . Sofa spray glue, sponge spray glue, sofa, mattress, swivel chair, etc. all use spray glue. [0003] At present, some spray glues sold on the market contain triphenyl (benzene, toluene, xylene) toxic or highly toxic solvents, which will cause worker poisoning to varying degrees during the use of the product, and seriously pollute the environment; The toxicity problem is solved, but its production cost is high and the market profit is low. The solvent-based sponge leather sprayer has fast drying speed, high adhesiv...

Claims

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Application Information

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IPC IPC(8): C09J105/08C09J103/02C09J111/02C09J11/04C09J11/06
CPCC08L2205/03C09J11/04C09J11/06C09J105/08C08L3/02C08L11/02C08K3/042C08K5/098
Inventor 徐迹刘文兰黄建林徐勇刘君英雷雪萌
Owner THE SECOND PEOPLES HOSPITAL OF SHENZHEN
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