CN111073595A - Preparation method of organic-inorganic hybrid adhesive - Google Patents

Abstract

The invention discloses a preparation method of an organic-inorganic hybrid adhesive, which comprises the following steps: s1: adding 881g of water into a reaction kettle, starting stirring, controlling the stirring speed to uniformly disperse the materials, and controlling the stirring speed to be 200 r/min; s2: slowly adding 300g of soybean meal powder, uniformly stirring, wherein the feeding speed is not too high, if the phenomenon of caking caused by non-uniform dispersion occurs, the feeding is suspended, the feeding is continued after the caking becomes smaller, and if a large amount of foam is generated on the liquid surface, the stirring speed can be increased, so that the phenomenon of soybean meal dust caused by too high feeding speed is avoided; s3: slowly adding 100g of sulphoaluminate cement and uniformly stirring for 1 h; s4: and (6) discharging. The organic-inorganic hybrid adhesive prepared by the process disclosed by the invention overturns the price system of the adhesive, is low in price and is a common toxic formaldehyde adhesive, is expected to completely replace the urea-formaldehyde adhesive commonly used at present, has the advantages of complementation of the advantages of organic materials and inorganic materials, improves the strength of the adhesive, saves the cost and reduces the processing difficulty at the same time.

Description

Preparation method of organic-inorganic hybrid adhesive

Technical Field

The invention belongs to the technical field of biomass glue making, and particularly relates to a preparation method of an organic-inorganic hybrid adhesive.

Background

In the urea-formaldehyde resin, phenolic resin and melamine-formaldehyde resin synthetic adhesives commonly used in the wood processing industry, a large amount of toxic and harmful carcinogens such as volatile formaldehyde, phenol and the like seriously harm the health of human bodies.

Formaldehyde is the most difficult toxic carcinogen in furniture and decoration pollution, 400 million people die of indoor air pollution every year in the world, 99% of causes of children leukemia patients are caused by indoor decoration formaldehyde, and formaldehyde is known as indoor life killer!

The urea-formaldehyde glue has low cost and becomes the main glue for producing the artificial boards, which accounts for more than 90 percent of the glue consumption of the artificial boards, and carcinogens occupy the history of the world for more than 100 years.

Toxic and harmful air pollution has become the biggest challenge to threaten human survival.

Global climate change cannot completely address this by making a quota on harmful gas emissions. We need a new approach of essence. This is indeed a challenge at the whole planet level. We first need to group countries that are powerful and have sufficient basic research capabilities.

The biological glue disclosed by the invention overturns the adhesive price system, enables enterprises to use the biological glue, is low in price, is any toxic formaldehyde glue, and is expected to completely replace the low-price urea-formaldehyde glue commonly used at present.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a preparation method of an organic-inorganic hybrid adhesive.

The technical scheme of the invention is summarized as follows:

a preparation method of an organic-inorganic hybrid adhesive comprises the following steps:

s1: adding 881g of water with a weight ratio into a reaction kettle, starting stirring, controlling the material to be uniformly dispersed at a stirring speed, and controlling the stirring speed to be 200 r/min;

s2: slowly adding 300g of soybean meal powder in a weight ratio, uniformly stirring, not enabling the feeding speed to be too high, pausing feeding if the caking phenomenon caused by non-uniform dispersion occurs, continuing feeding after the caking becomes smaller, and improving the stirring speed if a liquid level generates a large amount of foam to avoid the soybean meal dust caused by too high feeding speed;

s3: slowly adding 100g of sulphoaluminate cement in weight ratio and uniformly stirring for 1 hour;

s4: and (6) discharging.

The invention has the beneficial effects that: the organic-inorganic hybrid adhesive prepared by the process disclosed by the invention overturns the price system of the adhesive, is low in price and is a common toxic formaldehyde adhesive, is expected to completely replace the urea-formaldehyde adhesive commonly used at present, has the advantages of complementation of the advantages of organic materials and inorganic materials, improves the strength of the adhesive, saves the cost and reduces the processing difficulty at the same time.

Detailed Description

The present invention is further described in detail below with reference to examples so that those skilled in the art can practice the invention with reference to the description.

Example 1

A preparation method of an organic-inorganic hybrid adhesive comprises the following steps:

s1: adding 881g of water with a weight ratio into a reaction kettle, starting stirring, controlling the material to be uniformly dispersed at a stirring speed, and controlling the stirring speed to be 200 r/min;

s2: slowly adding 300g of soybean meal powder in a weight ratio, uniformly stirring, not enabling the feeding speed to be too high, pausing feeding if the caking phenomenon caused by non-uniform dispersion occurs, continuing feeding after the caking becomes smaller, and improving the stirring speed if a liquid level generates a large amount of foam to avoid the soybean meal dust caused by too high feeding speed;

s3: slowly adding 100g of sulphoaluminate cement in weight ratio and uniformly stirring for 1 hour;

s4: and (6) discharging.

While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.

Claims (1)

1. The preparation method of the organic-inorganic hybrid adhesive is characterized by comprising the following steps:

s1: adding 881g of water with a weight ratio into a reaction kettle, starting stirring, controlling the material to be uniformly dispersed at a stirring speed, and controlling the stirring speed to be 200 r/min;

s2: slowly adding 300g of soybean meal powder in a weight ratio, uniformly stirring, not enabling the feeding speed to be too high, pausing feeding if the caking phenomenon caused by non-uniform dispersion occurs, continuing feeding after the caking becomes smaller, and improving the stirring speed if a liquid level generates a large amount of foam to avoid the soybean meal dust caused by too high feeding speed;

s3: slowly adding 100g of sulphoaluminate cement in a weight ratio, and uniformly stirring for 1 h;

s4: and (6) discharging.