阅读说明：本技术 一种化学材料合成无醛胶水的制备方法 (Preparation method for synthesizing aldehyde-free glue from chemical materials ) 是由 李明梅 王梅娟 于 2019-11-27 设计创作，主要内容包括：本发明公开了一种化学材料合成无醛胶水,包含以下各成分的重量百分比原料：水22％～30％,环氧树脂12％～22％,氰基丙烯酸乙酯10％～15％,氢氧化铝凝胶8％～10％,黄原胶5％～6％,甘油3％～5％,蜂蜜2％～5％,二苄叉山梨醇4％～7％,保水剂3％～6％,白炭黑2％～5％,乳化剂2％～3％,防霉剂2％～3％,乙醇5％～10％,增稠剂1％～3％,稳定剂1％～3％。本发明与现有技术相比,配方合理、成本低、透明度好、粘结力强、易性好、适用范围广、不含甲醛、环境友好以及固化时间短,对人体的伤害较小,对环境的污染较小。(The invention discloses a chemical material synthesized formaldehyde-free glue, which comprises the following raw materials in percentage by weight: 22-30% of water, 12-22% of epoxy resin, 10-15% of ethyl cyanoacrylate, 8-10% of aluminum hydroxide gel, 5-6% of xanthan gum, 3-5% of glycerol, 2-5% of honey, 4-7% of dibenzylidene sorbitol, 3-6% of a water-retaining agent, 2-5% of white carbon black, 2-3% of an emulsifier, 2-3% of a mildew preventive, 5-10% of ethanol, 1-3% of a thickening agent and 1-3% of a stabilizer. Compared with the prior art, the invention has the advantages of reasonable formula, low cost, good transparency, strong cohesive force, good easiness, wide application range, no formaldehyde, environmental friendliness, short curing time, less harm to human bodies and less pollution to the environment.)

1. The chemical material synthesized formaldehyde-free glue is characterized in that: comprises the following raw materials in percentage by weight: 22-30% of water, 12-22% of epoxy resin, 10-15% of ethyl cyanoacrylate, 8-10% of aluminum hydroxide gel, 5-6% of xanthan gum, 3-5% of glycerol, 2-5% of honey, 4-7% of dibenzylidene sorbitol, 3-6% of a water-retaining agent, 2-5% of white carbon black, 2-3% of an emulsifier, 2-3% of a mildew preventive, 5-10% of ethanol, 1-3% of a thickening agent and 1-3% of a stabilizer.

2. The chemical material synthesis aldehyde-free glue according to claim 1, characterized in that: comprises the following raw materials in percentage by weight: 26% of water, 14% of epoxy resin, 13% of ethyl cyanoacrylate, 9% of aluminum hydroxide gel, 5% of xanthan gum, 4% of glycerol, 3% of honey, 5% of dibenzylidene sorbitol, 4% of a water-retaining agent, 3% of white carbon black, 2% of an emulsifier, 2% of a mildew preventive, 6% of ethanol, 2% of a thickener and 2% of a stabilizer.

3. The preparation method of the chemical material synthetic aldehyde-free glue according to the claims 1-2, characterized in that: the preparation method of the chemical material synthesized formaldehyde-free glue comprises the following steps:

s1, respectively placing the epoxy resin and the white carbon black into a pulverizer to be pulverized into particles with the particle size of 100 meshes, then placing the pulverized particles into a smelting machine to be smelted for 8-15 min, and adding water to obtain a resin solution;

s2, adding ethyl cyanoacrylate and the crushed white carbon black into the resin solution S1, and primarily mixing by using a stirring rod for 3-5 min;

s3, adding water into the reaction kettle, heating the water to 80 ℃, then adding aluminum hydroxide gel, dibenzylidene sorbitol, glycerol and honey into the water, slowly heating to 100 ℃, keeping the temperature and fully stirring, and heating for 15 min;

s4, cooling the mixed solution in the S3 to 90 ℃, adding the mixed solution in the S2 into the mixed solution in the S3, and uniformly stirring;

and S5, cooling the mixed liquid of S4 to 50 ℃, adding xanthan gum, a water-retaining agent, an emulsifier, a mildew preventive, ethanol, a thickening agent and a stabilizer into the mixed liquid, continuously stirring for 10-30 min, cooling to 30 ℃, and packaging to obtain a finished product.

4. The method for preparing the chemical material synthesized aldehyde-free glue according to claim 3, characterized in that: the smelting temperature in the step S1 is 70-80 ℃.

5. The method for preparing the chemical material synthesized aldehyde-free glue according to claim 3, characterized in that: the thickener may be one of sodium chloride, potassium chloride and sodium sulfate.

6. The method for preparing the chemical material synthesized aldehyde-free glue according to claim 3, characterized in that: the emulsifier can be one of Arabic gum and sodium alkyl benzene sulfonate.

Technical Field

The invention relates to the technical field of chemical industry, in particular to a preparation method of aldehyde-free glue synthesized by chemical materials.

Background

With the rapid development of national economy in China, the living standard of people is continuously improved, and the requirements of people on living conditions and environments are higher and higher while the living standard is improved, so that the environment is protected, and the multifunctional environment-friendly. Therefore, the requirements of people on the quality and the environmental protection performance of the novel building materials are higher and higher.

At present, the existing glue for building materials generally contains a certain amount of formaldehyde and benzene, and the common language of 'no formaldehyde and no glue formation' is also from this, and the glue is harmful to human bodies, can cause various nervous system diseases after being contacted for a long time, influences the physical and mental health of users, is not beneficial to wide application, and has poor environmental protection.

Disclosure of Invention

The invention aims to provide a preparation method for synthesizing aldehyde-free glue by using chemical materials, which solves the problems in the background art and meets the actual use requirements.

In order to achieve the purpose, the invention provides the following technical scheme: the chemical material synthesized formaldehyde-free glue comprises the following raw materials in percentage by weight: 22-30% of water, 12-22% of epoxy resin, 10-15% of ethyl cyanoacrylate, 8-10% of aluminum hydroxide gel, 5-6% of xanthan gum, 3-5% of glycerol, 2-5% of honey, 4-7% of dibenzylidene sorbitol, 3-6% of a water-retaining agent, 2-5% of white carbon black, 2-3% of an emulsifying agent, 2-3% of a mildew inhibitor, 5-10% of ethanol, 1-3% of a thickening agent and 1-3% of a stabilizing agent.

As a preferred embodiment of the invention, the composition comprises the following raw materials in percentage by weight: 26% of water, 14% of epoxy resin, 13% of ethyl cyanoacrylate, 9% of aluminum hydroxide gel, 5% of xanthan gum, 4% of glycerol, 3% of honey, 5% of dibenzylidene sorbitol, 4% of a water-retaining agent, 3% of white carbon black, 2% of an emulsifier, 2% of a mildew inhibitor, 6% of ethanol, 2% of a thickener and 2% of a stabilizer.

As a preferred embodiment of the invention, the preparation method of the chemical material synthesis formaldehyde-free glue comprises the following steps:

s1, respectively placing the epoxy resin and the white carbon black into a pulverizer to be pulverized into particles with the particle size of 100 meshes, then placing the pulverized particles into a smelting machine to be smelted for 8-15 min, and adding water to obtain a resin solution;

s2, adding ethyl cyanoacrylate and the crushed white carbon black into the resin solution S1, and primarily mixing by using a stirring rod for 3-5 min;

s3, adding water into the reaction kettle, heating the water to 80 ℃, then adding aluminum hydroxide gel, dibenzylidene sorbitol, glycerol and honey into the water, slowly heating to 100 ℃, keeping the temperature and fully stirring, and heating for 15 min;

s4, cooling the mixed solution in the S3 to 90 ℃, adding the mixed solution in the S2 into the mixed solution in the S3, and uniformly stirring;

and S5, cooling the mixed liquid of S4 to 50 ℃, adding xanthan gum, a water-retaining agent, an emulsifier, a mildew preventive, ethanol, a thickening agent and a stabilizer into the mixed liquid, continuously stirring for 10-30 min, cooling to 30 ℃, and packaging to obtain the finished product.

In a preferred embodiment of the present invention, the melting temperature in step S1 is 70 to 80 ℃.

As a preferred embodiment of the present invention, the thickener may be one of sodium chloride, potassium chloride and sodium sulfate.

As a preferred embodiment of the present invention, the emulsifier may be one of gum arabic and sodium alkyl benzene sulfonate.

Compared with the prior art, the invention has the following beneficial effects:

compared with the prior art, the chemical material synthesized formaldehyde-free glue provided by the invention has the advantages of reasonable formula, low cost, good transparency, strong cohesive force, good easiness, wide application range, no formaldehyde, environmental friendliness, short curing time, less harm to a human body and less pollution to the environment.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.