CN101333424A - Water-soluble spraying glue and method for preparing same - Google Patents

Abstract

The invention discloses waterborne spray gel which is characterized in that the waterborne spray gel contains(based on weight portion) 100-150portions of waterborne neoprene latex, 20-60 portions of acrylic latex, 60-100 portions of waterborne tackifying resin, and 5-20 portions of waterborne dope drier. The preparation method includes the following steps: firstly, putting the materials of 100-150portions of waterborne neoprene latex, 20-60 portions of acrylic latex and 60-100 portions of waterborne tackifying resin into a reactor, mixing and blending to be even; putting the waterborne dope drier into the reactor, blending to be even, then cooling and discharging. The adhesive prepared can be used for spraying and splicing furniture such as sofas, folding screens and swivel chairs, for splicing inside automobiles and for splicing foams; the waterborne spray gel has the advantages of excellent adhesive property, good heat resisting property and low VOC content and is flame-retardant, anti-corrosion, waterborne and environment-friendly; the waterborne spray gel can effectively protect the work environment and greatly reduce the accidents of poisoning caused by solvent spray gel products and industrial diseases; therefore, the waterborne spray gel is an ideal substitute for part of current solvent spray gel.

Description

A kind of water-soluble spraying glue and preparation method thereof

Technical field

The present invention relates to tackiness agent, specifically is spray glue and preparation method thereof.

Background technology

Spray glue is a kind of tackiness agent commonly used on the market, be used in furniture industry, finishing material industry and case and bag production industry widely, especially bonding, the foam heat-insulating plate of sofa, swivel chair, screen, cloth art, pillow, cabinet board, handbag case and bag etc. use the most extensive.Spray glue on the market uses the solvent rubber adhesive to be the master always at present, the tackiness agent of this class known technology, the general solvent that uses, by the mode that stirs, SBS thermoplastic styrene butadiene rubber or chloroprene rubber, and add tackifying resin and put into according to a certain percentage to stir until dissolving in the reactor and make.The general solid content of this class tackiness agent between 20-30%, therefore in use, to the organic solvent (mainly being toluene, chlorinated solvent etc.) of airborne release glue consumption 70-80%; Because the solvent that the tackiness agent of indivedual manufacturer production also uses purified petroleum benzin etc. to have carcinogenic composition country to ban use of, the insulting skin of long-term contact meeting, the high passive suction of organic solvent content causes disease also may cause chronic poisoning to respiratory system in the air, and HUMAN HEALTH is done very big harm.Simultaneously, owing to use solvent type tackiness agent to have inflammable and explosive problem, therefore the fire that produces takes place repeatedly.The spray glue of the SBS class on the market also has an important shortcoming to be that there is serious deficiency in aspect of performances such as viscous force, thermotolerance, ageing-resistant pulverability, bonding for the higher bounce-back of thickness leather with stronger dynamics and sponge, often there is rebound phenomena, manipulating of furniture often caused the benefit glue phenomenon of doing over again, influence working efficiency.

The be in application development of aspects such as tool production of the water-based polyurethane adhesive of environmental type and watersoluble neoprene tackiness agent obtains promoting and payes attention in recent years.Developed countries such as Germany, the U.S. and Japan have released aqueous polyurethane and watersoluble neoprene product, but owing to there is different shortcomings, cause the popularization of product to be subjected to great influence.Water-based polyurethane adhesive uses generally needs heat-activated to use, and all is cold bonding generally but be to use the industry of spray glue, need not heating, so aqueous polyurethane is not adapted to spray the use that glue uses industry; Pure water-based neoprene has certain pressure-sensitive, but because the cost height, and rate of drying is slow, and cost is high, does not fit into the use of above-mentioned industry too.

Summary of the invention

The objective of the invention is in order to solve above-mentioned deficiency, and a kind of excellent property is provided, does, be convenient to operator's operation soon and effectively prevents fire, professional pathogenetic aqueous adhesive.

Another object of the present invention is to provide a kind of preparation method of above-mentioned tackiness agent.

The technical solution that the present invention adopts in order to reach above-mentioned effect is as follows:

The main composition part and the weight part ratio thereof of this water-soluble spraying glue: watersoluble neoprene latex 100-150, acrylic latex: 20-60, water-based tackifying resin: 60-100, water-borne coatings siccative 5-20.

Above-mentioned water-soluble spraying glue preparation method of the present invention can be divided into following two steps:

(1) raw material water-based polychloroprene latex 100-150 part, acrylic latex 20-60 part, water-based tackifying resin 60-100 part are put in the reactor and stirred;

(2) drop into the water-borne coatings siccative, the cooling discharge that stirs gets final product.

The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:

One, production spraying and adhesive bonding requirements such as sofa, swivel chair, screen, kitchen cabinet are satisfied in use through overtesting, leather, plate face, sponge, cloth art etc. there is bonding force preferably, rate of drying is faster than general aqueous adhesive, the spraying process smell is minimum, the spraying that is adapted to furniture, finishing material and automotive trim is used, and use range is wide.

Two, water-soluble spraying glue of the present invention, excellent property, good heat resistance, do not fire, the low VOC of burn into, compliance with environmental protection requirements, be convenient to operator's operation and effectively prevent fire, professional pathogenetic chance, be the ideal product that substitutes existing partial solvent type spray glue.

Three, production technique is simple, and is with low cost, do not have intermediate product discharging and the environmental pollution that causes, satisfies the requirement of cleaner production.

Embodiment

Below in conjunction with embodiment, the present invention is described in further detail.

At first drop into watersoluble neoprene latex 110 parts of (weight part), acrylic latexs in reactor: 80 parts of 50 parts, water-based tackifying resin stir; Drop into 6 parts of water-borne coatings siccative again, the cooling discharge that stirs can be packed discharging.

Above-mentioned discharging water-soluble spraying glue and oiliness are sprayed glue material as a comparison, and it is as follows to detect comparative result at last;

Sequence number	Project	Oiliness spray glue	Water-soluble spraying glue
				1	Solid content	25-35％	53％
2	Viscosity	100-300	300-600CPS/25℃
				3	Smell	Smell of petrol	Tasteless
4	Initial bonding strength	30 minutes	48 hours back tension maximums
				5	Sprayability	Apart from 50-80cm	Apart from 30-40cm
6	Time of drying	Pinch the limit: 1 ' PVC leather: 1 ' pachydermia: 2 '～3 '	Pinch the limit:＞3 ' PVC leather: 4 '～5 ' pachydermia: 4 '～5 '
				7	Paste number of times repeatedly	3 times	Paste number of times repeatedly 2 times, spray thick can be repeatedly
8	Hold the sticking time	Can glue in the dry back 30 '	Can glue in dry back 1 hour
				9	The spray gun specification requirement	F75, little spray gun	PQ-2
10	Thermotolerance	Flanging, 50 ℃ of concavo-convex positions of sticking pachydermia flicked in 3 hours	Flanging, 50 ℃ of concavo-convex positions of sticking pachydermia did not flick in 3 hours
				11	The single face sprayability	It is more that discharge rate is wanted	It is more that discharge rate is wanted

This shows, the foregoing description water-soluble spraying glue is made simple, leather etc. there is bonding force preferably, good performance indexes, all meet production spraying and adhesive bonding requirements such as satisfying sofa, swivel chair, screen, kitchen cabinet, rate of drying is faster than general aqueous adhesive in addition, and spraying use smell is minimum, the spraying that is adapted to materials such as furniture, finishing material and automotive trim is used, and is the ideal product that substitutes existing partial solvent type spray glue.

In the above-described embodiments, by weight, watersoluble neoprene latex 100 or 150, acrylic latex: 20 or 60, water-based tackifying resin: 60 or 100, water-borne coatings is allocated equal energy with siccative 5 or 20 and can be prepared satisfactory water-soluble spraying glue of the present invention.

Explanation is that embodiments of the present invention are not limited thereto, and can not limit protection scope of the present invention with this at last; The specific embodiment of the present invention is made amendment or the part technical characterictic is equal to replacement; And the spirit that does not break away from the present invention program, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.

Claims (2)

1, a kind of water-soluble spraying glue is characterized in that, the component of this spray glue and weight ratio thereof (part) are: watersoluble neoprene latex 100-150, acrylic latex: 20-60, water-based tackifying resin: 60-100, water-borne coatings siccative 5-20.

2, the preparation method of the described water-soluble spraying glue of a kind of claim 1 is characterized in that, its preparation method is following steps:

(1) raw material water-based polychloroprene latex 100-150 part, acrylic latex 20-60 part, water-based tackifying resin 60-100 part are put in the reactor and stirred;

(2) drop into the water-borne coatings siccative again, the cooling discharge that stirs gets final product.