阅读说明：本技术 一种实验室用耐酸碱墙纸及其制备方法 (Acid and alkali resistant wallpaper for laboratory and preparation method thereof ) 是由 刘宏宇 沈卫东 于 2021-07-06 设计创作，主要内容包括：本发明公开了一种实验室用耐酸碱墙纸及其制备方法,包括耐酸碱层与基层,所述耐酸碱层由以下份额的原料混合而成：呋喃11-15％、酚醛乙烯树脂36-40％、有机硅单体树脂36-40％、邻苯二酚1-5％、焦棓酸1-5％、三羟甲基氨基甲烷1-5％和多巴胺1-5％,所述基层由无纺布制成。本发明所述的一种实验室用耐酸碱墙纸及其制备方法,通过酚醛乙烯树脂、有机硅单体树脂的混合作为耐酸碱层的基料,具有高耐酸碱性能,且通过使用呋喃,能够使环氧乙烯树脂和有机硅树脂中的不饱和健结构发生键断裂与脂肪胺改性固化剂或脂肪族固化剂反应形成新的链结构,从而达到将两种树脂之间形成新的键连接,提高树脂的固化硬度。(The invention discloses acid and alkali resistant wallpaper for laboratories and a preparation method thereof, wherein the acid and alkali resistant wallpaper comprises an acid and alkali resistant layer and a base layer, wherein the acid and alkali resistant layer is formed by mixing the following raw materials: 11-15% of furan, 36-40% of phenolic vinyl resin, 36-40% of organic silicon monomer resin, 1-5% of catechol, 1-5% of pyrogallic acid, 1-5% of tris (hydroxymethyl) aminomethane and 1-5% of dopamine, wherein the substrate is made of non-woven fabrics. According to the acid and alkali resistant wallpaper for laboratories and the preparation method thereof, provided by the invention, the phenolic vinyl resin and the organic silicon monomer resin are mixed to serve as the base material of the acid and alkali resistant layer, so that the acid and alkali resistant performance is high, and the furan is used, so that the unsaturated bond structures in the epoxy vinyl resin and the organic silicon resin are subjected to bond breakage and react with the fatty amine modified curing agent or the aliphatic curing agent to form a new chain structure, so that a new bond is formed between the two resins, and the curing hardness of the resins is improved.)

1. The utility model provides an acid and alkali-resistance wall paper is used in laboratory, includes acid and alkali-resistance layer and basic unit, its characterized in that: the acid and alkali resistant layer is formed by mixing the following raw materials: 11-15% of furan, 36-40% of phenolic vinyl resin, 36-40% of organic silicon monomer resin, 1-5% of catechol, 1-5% of pyrogallic acid, 1-5% of tris (hydroxymethyl) aminomethane and 1-5% of dopamine, wherein the substrate is made of non-woven fabrics.

2. The acid and alkali resistant wallpaper for the laboratory according to claim 1, wherein: the acid and alkali resistant layer is formed by mixing the following raw materials: 11% of furan, 40% of phenolic vinyl resin, 40% of organic silicon monomer resin, 2% of catechol, 2% of pyrogallic acid, 2.5% of tris (hydroxymethyl) aminomethane and 2.5% of dopamine.

3. The acid and alkali resistant wallpaper for the laboratory according to claim 1, wherein: the acid and alkali resistant layer is formed by mixing the following raw materials: 12% of furan, 39% of phenolic vinyl resin, 39% of organic silicon monomer resin, 2.5% of catechol, 2.5% of pyrogallic acid, 2.5% of tris (hydroxymethyl) aminomethane and 2.5% of dopamine.

4. The acid and alkali resistant wallpaper for the laboratory according to claim 1, wherein: the acid and alkali resistant layer is formed by mixing the following raw materials: 13% of furan, 38% of phenolic vinyl resin, 38% of organic silicon monomer resin, 3% of catechol, 2% of pyrogallic acid, 3% of tris (hydroxymethyl) aminomethane and 3% of dopamine.

5. The acid and alkali resistant wallpaper for the laboratory according to claim 1, wherein: the acid and alkali resistant layer is formed by mixing the following raw materials: 14% of furan, 37% of phenolic vinyl resin, 37% of organic silicon monomer resin, 4% of catechol, 1% of pyrogallic acid, 5% of tris (hydroxymethyl) aminomethane and 2% of dopamine.

6. The acid and alkali resistant wallpaper for the laboratory according to claim 1, wherein: the acid and alkali resistant layer is formed by mixing the following raw materials: 15% of furan, 36% of phenolic vinyl resin, 36% of organic silicon monomer resin, 3% of catechol, 5% of pyrogallic acid, 2% of tris (hydroxymethyl) aminomethane and 3% of dopamine.

7. The preparation method of acid and alkali resistant wallpaper for laboratories according to claim 1, characterized in that: the method comprises the following operation steps:

s1: the raw materials are prepared in portions.

S2: carrying out hot melting on phenolic vinyl resin and organic silicon monomer resin;

s3: adding furan, catechol and pyrogallic acid into the colloid, and uniformly stirring;

s4: immersing the colloid into a mixed aqueous solution of tris (hydroxymethyl) aminomethane and dopamine for 15 minutes, and taking out;

s5: pouring the colloid into a mold through hot melting, and printing the non-woven fabric on the colloid acid and alkali resistant layer;

s6: standing and cooling, and polishing the acid and alkali resistant layer.

Technical Field

The invention relates to the field of wallpaper, and particularly relates to acid and alkali resistant wallpaper for laboratories and a preparation method thereof.

Background

The wallpaper has the characteristics that colors are various, patterns are rich, luxurious style, safety and environmental protection are realized, construction is convenient, price is suitable, and the like, which cannot be compared with other interior decoration materials, the wallpaper is more and more popularized in daily life of people, the wallpaper used in a laboratory has high requirements on acid and alkali resistance, the acid and alkali resistance of the wallpaper in the prior art cannot meet the requirements in practical use, and therefore the acid and alkali resistant wallpaper for the laboratory needs to be designed urgently to meet the requirements in practical use.

Disclosure of Invention

The invention mainly aims to provide acid and alkali resistant wallpaper for laboratories and a preparation method thereof, which can effectively solve the problems in the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

the acid and alkali resistant wallpaper for the laboratory comprises an acid and alkali resistant layer and a base layer, wherein the acid and alkali resistant layer is formed by mixing the following raw materials: 11-15% of furan, 36-40% of phenolic vinyl resin, 36-40% of organic silicon monomer resin, 1-5% of catechol, 1-5% of pyrogallic acid, 1-5% of tris (hydroxymethyl) aminomethane and 1-5% of dopamine, wherein the substrate is made of non-woven fabrics.

Preferably, the acid and alkali resistant layer is formed by mixing the following raw materials in parts by weight: 11% of furan, 40% of phenolic vinyl resin, 40% of organic silicon monomer resin, 2% of catechol, 2% of pyrogallic acid, 2.5% of tris (hydroxymethyl) aminomethane and 2.5% of dopamine.

Preferably, the acid and alkali resistant layer is formed by mixing the following raw materials in parts by weight: 12% of furan, 39% of phenolic vinyl resin, 39% of organic silicon monomer resin, 2.5% of catechol, 2.5% of pyrogallic acid, 2.5% of tris (hydroxymethyl) aminomethane and 2.5% of dopamine.

Preferably, the acid and alkali resistant layer is formed by mixing the following raw materials in parts by weight: 13% of furan, 38% of phenolic vinyl resin, 38% of organic silicon monomer resin, 3% of catechol, 2% of pyrogallic acid, 3% of tris (hydroxymethyl) aminomethane and 3% of dopamine.

Preferably, the acid and alkali resistant layer is formed by mixing the following raw materials in parts by weight: 14% of furan, 37% of phenolic vinyl resin, 37% of organic silicon monomer resin, 4% of catechol, 1% of pyrogallic acid, 5% of tris (hydroxymethyl) aminomethane and 2% of dopamine.

Preferably, the acid and alkali resistant layer is formed by mixing the following raw materials in parts by weight: 15% of furan, 36% of phenolic vinyl resin, 36% of organic silicon monomer resin, 3% of catechol, 5% of pyrogallic acid, 2% of tris (hydroxymethyl) aminomethane and 3% of dopamine.

Preferably, the preparation method of the acid and alkali resistant wallpaper for the laboratory comprises the following operation steps:

s1: the raw materials are prepared in portions.

S2: carrying out hot melting on phenolic vinyl resin and organic silicon monomer resin;

s3: adding furan, catechol and pyrogallic acid into the colloid, and uniformly stirring;

s4: immersing the colloid into a mixed aqueous solution of tris (hydroxymethyl) aminomethane and dopamine for 15 minutes, and taking out;

s5: pouring the colloid into a mold through hot melting, and printing the non-woven fabric on the colloid acid and alkali resistant layer;

s6: standing and cooling, and polishing the acid and alkali resistant layer.

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

according to the invention, the phenolic vinyl resin and the organic silicon monomer resin are mixed to serve as the base material of the acid and alkali resistant layer, the acid and alkali resistant performance is high, the furan is used, the unsaturated bond structure in the epoxy vinyl resin and the organic silicon resin can be broken to react with the aliphatic amine modified curing agent or the aliphatic curing agent to form a new chain structure, so that a new bond connection is formed between the two resins, the curing hardness of the resin is improved, the resin is soaked by the mixed aqueous solution of the trihydroxymethyl aminomethane and the dopamine, the amino group is introduced in a covalent bond form, the corrosion resistance and the wear resistance of the material are obviously enhanced, and the introduction of the amino group is convenient for the material to graft functional molecules with carboxyl groups and the like.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

the embodiment relates to acid and alkali resistant wallpaper for laboratories, which comprises an acid and alkali resistant layer and a base layer, wherein the acid and alkali resistant layer is formed by mixing the following raw materials: 11-15% of furan, 36-40% of phenolic vinyl resin, 36-40% of organic silicon monomer resin, 1-5% of catechol, 1-5% of pyrogallic acid, 1-5% of tris (hydroxymethyl) aminomethane and 1-5% of dopamine, wherein the substrate layer is made of non-woven fabrics.

In the invention, the acid and alkali resistant layer is formed by mixing the following raw materials: 11% of furan, 40% of phenolic vinyl resin, 40% of organic silicon monomer resin, 2% of catechol, 2% of pyrogallic acid, 2.5% of tris (hydroxymethyl) aminomethane and 2.5% of dopamine.

In the invention, the acid and alkali resistant layer is formed by mixing the following raw materials: 12% of furan, 39% of phenolic vinyl resin, 39% of organic silicon monomer resin, 2.5% of catechol, 2.5% of pyrogallic acid, 2.5% of tris (hydroxymethyl) aminomethane and 2.5% of dopamine.

In the invention, the acid and alkali resistant layer is formed by mixing the following raw materials: 13% of furan, 38% of phenolic vinyl resin, 38% of organic silicon monomer resin, 3% of catechol, 2% of pyrogallic acid, 3% of tris (hydroxymethyl) aminomethane and 3% of dopamine.

In the invention, the acid and alkali resistant layer is formed by mixing the following raw materials: 14% of furan, 37% of phenolic vinyl resin, 37% of organic silicon monomer resin, 4% of catechol, 1% of pyrogallic acid, 5% of tris (hydroxymethyl) aminomethane and 2% of dopamine.

In the invention, the acid and alkali resistant layer is formed by mixing the following raw materials: 15% of furan, 36% of phenolic vinyl resin, 36% of organic silicon monomer resin, 3% of catechol, 5% of pyrogallic acid, 2% of tris (hydroxymethyl) aminomethane and 3% of dopamine.

The second embodiment is as follows:

the embodiment relates to a preparation method of acid and alkali resistant wallpaper for laboratories, which comprises the following operation steps:

s1: the raw materials are prepared in portions.

S2: carrying out hot melting on phenolic vinyl resin and organic silicon monomer resin;

s3: adding furan, catechol and pyrogallic acid into the colloid, and uniformly stirring;

s4: immersing the colloid into a mixed aqueous solution of tris (hydroxymethyl) aminomethane and dopamine for 15 minutes, and taking out;

s5: pouring the colloid into a mold through hot melting, and printing the non-woven fabric on the colloid acid and alkali resistant layer;

s6: standing and cooling, and polishing the acid and alkali resistant layer.

According to the invention, the phenolic vinyl resin and the organic silicon monomer resin are mixed to serve as the base material of the acid and alkali resistant layer, the acid and alkali resistant performance is high, the furan is used, the unsaturated bond structure in the epoxy vinyl resin and the organic silicon resin can be broken to react with the aliphatic amine modified curing agent or the aliphatic curing agent to form a new chain structure, so that a new bond connection is formed between the two resins, the curing hardness of the resin is improved, the resin is soaked by the mixed aqueous solution of the trihydroxymethyl aminomethane and the dopamine, the amino group is introduced in a covalent bond form, the corrosion resistance and the wear resistance of the material are obviously enhanced, and the introduction of the amino group is convenient for the material to graft functional molecules with carboxyl groups and the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.