CN103242778A - Glass sealing glue and preparation method thereof - Google Patents

Abstract

The invention discloses glass sealing glue which comprises the following components in parts by mass: 100 parts of waste polystyrene (PS) foamed plastic, 130-240 parts of a solvent, 7.5-40 parts of a plasticizer, 20-40 parts of polyvinyl alcohol, 100-200 parts of water, 20-40 parts of talcum powder, 5-10 parts of a surface active agent and 1-10 parts of bentonite. The glass sealing glue is high in thixotropy, favorable for all-round construction, low in viscosity, simple in construction technology and high in bonding force; waste PS can be recycled, so that energy conservation and environment protection are realized, and the cost is low; and the glass sealing glue is high in oil resistance and heat stability and can be widely used.

Description

A kind of glazing compound and preparation method thereof

Technical field

The present invention relates to building material field, relate in particular to a kind of glazing compound and preparation method thereof.

Background technology

Development along with social cityization, technicalization, hommization, popularizing of environmental protection concept, refuse reclamation is extensively paid close attention to by people, and developing rapidly along with construction industry, the increase of seal gum usage quantity is adopted waste reclaimation to become glazing compound and is more and more contacted by people.

Seal gum, general employing urethane or polyvinyl chloride are mixed other batchings of coal tar wet goods and are made, and discarded PS can recycling make composition board, fiberboard, and popularizing along with humanity concept, and the formation of novel harmonious society, design the method that a kind of PS that will give up makes glazing compound and be very important.

Existing seal gum mainly adopts dual-component polyurethane or monocomponent polyurethane to synthesize, but considers that thixotropy is poor, and cohesive force is low, causes construction inconvenient, and oil-proofness and poor heat stability, and it is slightly not enough that prior art just seems.

Summary of the invention

The invention provides a kind of glazing compound and preparation method thereof, it is poor to solve existing seal gum thixotropy, and cohesive force is low, causes construction inconvenient, and technical problems such as oil-proofness and poor heat stability.

The present invention is by the following technical solutions:

A kind of glazing compound is made up of following raw materials according, with the mass fraction representation is:

Useless PS porous plastics 100;

Solvent 130-240;

Softening agent 7.5-40;

Polyvinyl alcohol 20-40;

Water 100-200;

Talcum powder 20-40;

Tensio-active agent 5-10;

Wilkinite 1-10.

As a kind of optimal technical scheme of the present invention: described solvent adopts one or more mixtures in 200# solvent oil or the dimethylbenzene.

As a kind of optimal technical scheme of the present invention: described tensio-active agent adopts a kind of in octyl phenol polymerization Vinyl Ether or the ninth of the ten Heavenly Stems phenol polyglycol ether.

As a kind of optimal technical scheme of the present invention: described softening agent adopts one or more mixtures among butyl phthalate or the DBP.

As a kind of optimal technical scheme of the present invention: the method for described glazing compound is:

The first step: take by weighing various raw materials according to massfraction ratio mentioned above;

Second step: in dissolving vessel, add useless PS porous plastics and solvent by prescription, make PS be dissolved into transparent gross rubber;

The 3rd step: in another dissolving tank, add the polyethylene alcohol and water, can while stirring these product slowly be added the fully effusion of swelling, dispersion and volatility goods and materials in the cold water about 20 ℃, then be warmed up to 95 ℃ of left and right sides accelerate dissolution, and be incubated 2～2.5 hours, no longer contain molecule up to solution, again through behind the 28 order stainless steel impurity screenings, can be standby;

The 4th step: add softening agent, talcum powder and tensio-active agent again, add the filler wilkinite at last and grind and to become paste and get final product.

All raw materials that the present invention uses are know altogether existing, and using method and function are prior art.

A kind of glazing compound of the present invention adopts above technical scheme compared with prior art, has following technique effect: 1, have excellent thixotropy, be convenient to comprehensive construction; 2, low-viscosity, construction technology is easy, and has excellent bonding force; 3, the PS recycling of will giving up, energy-conserving and environment-protective, and with low cost; 4, oil-proofness and Heat stability is good can be widely used.

Embodiment

Set forth content of the present invention by the following examples in further detail.

Embodiment 1:

The first step: take by weighing various raw materials according to ratio of quality and the number of copies hereinafter described

Useless PS porous plastics 100;

200# solvent oil 30;

Dimethylbenzene 50;

Butyl phthalate 5;

DBP 2.5；

Polyvinyl alcohol 20;

Water 100;

Talcum powder 20;

Octyl phenol polymerization Vinyl Ether 5;

Wilkinite 1.

The secondth step: in dissolving vessel, add useless PS porous plastics and solvent by prescription, make PS be dissolved into transparent gross rubber;

The 3rd step: in another dissolving tank, add the polyethylene alcohol and water, can while stirring these product slowly be added the fully effusion of swelling, dispersion and volatility goods and materials in the cold water about 20 ℃, then be warmed up to 95 ℃ of left and right sides accelerate dissolution, and be incubated 2～2.5 hours, no longer contain molecule up to solution, again through behind the 28 order stainless steel impurity screenings, can be standby;

The 4th step: add softening agent, talcum powder and tensio-active agent again, add the filler wilkinite at last and grind and to become paste and get final product.

Embodiment 2:

The first step: take by weighing various raw materials according to ratio of quality and the number of copies hereinafter described

Useless PS porous plastics 100;

200# solvent oil 100;

Dimethylbenzene 140;

Butyl phthalate 30;

DBP 10；

Polyvinyl alcohol 40;

Water 200;

Talcum powder 40;

Octyl phenol polymerization Vinyl Ether 10;

Wilkinite 10.

Second step: in dissolving vessel, add useless PS porous plastics and solvent by prescription, make PS be dissolved into transparent gross rubber;

The 3rd step: in another dissolving tank, add the polyethylene alcohol and water, can while stirring these product slowly be added the fully effusion of swelling, dispersion and volatility goods and materials in the cold water about 20 ℃, then be warmed up to 95 ℃ of left and right sides accelerate dissolution, and be incubated 2～2.5 hours, no longer contain molecule up to solution, again through behind the 28 order stainless steel impurity screenings, can be standby;

The 4th step: add softening agent, talcum powder and tensio-active agent again, add the filler wilkinite at last and grind and to become paste and get final product.

Embodiment 3:

The first step: take by weighing various raw materials according to ratio of quality and the number of copies hereinafter described

Useless PS porous plastics 100;

200# solvent oil 60;

Dimethylbenzene 80;

Butyl phthalate 15;

DBP 6；

Polyvinyl alcohol 30;

Water 150;

Talcum powder 30;

Octyl phenol polymerization Vinyl Ether 7.5;

Wilkinite 5.

Second step: in dissolving vessel, add useless PS porous plastics and solvent by prescription, make PS be dissolved into transparent gross rubber;

The 3rd step: in another dissolving tank, add the polyethylene alcohol and water, can while stirring these product slowly be added the fully effusion of swelling, dispersion and volatility goods and materials in the cold water about 20 ℃, then be warmed up to 95 ℃ of left and right sides accelerate dissolution, and be incubated 2～2.5 hours, no longer contain molecule up to solution, again through behind the 28 order stainless steel impurity screenings, can be standby;

The 4th step: add softening agent, talcum powder and tensio-active agent again, add the filler wilkinite at last and grind and to become paste and get final product.

Composition all components in above embodiment and the Comparative Examples all can commercially be bought, the 200# solvent can be in Zibo brilliant day economy and trade company limited buy, dimethylbenzene can be bought in Ruian letter Shun chemical industry company limited, butyl phthalate can be bought in Shenzhen China prosperous chemical industry company limited, polyvinyl alcohol can be bought in prosperous lake chemical industry company limited, talcum powder can be buied in the river titanium white main office that jumps, octyl phenol polymerization Vinyl Ether can industry chemical industry company limited be bought in the Guangzhou, DBP really strengthens worker company limited by Wenzhou and buys, and wilkinite is buied by Xinyang wilkinite factory of setting sail.

Product has excellent thixotropy, is convenient to comprehensive construction; Low-viscosity, construction technology is easy, and has excellent bonding force; The PS recycling of will giving up, energy-conserving and environment-protective, and with low cost; Oil-proofness and Heat stability is good can be widely used.

Above-described embodiment just is used for content of the present invention is set forth, rather than restriction, therefore in the implication suitable with claims of the present invention and any change in the scope, all should think to be included in the scope of claims.

Claims (5)

1. glazing compound, it is characterized in that: its composition with the mass fraction representation is:

Useless PS porous plastics 100;

Solvent 130-240;

Softening agent 7.5-40;

Polyvinyl alcohol 20-40;

Water 100-200;

Talcum powder 20-40;

Tensio-active agent 5-10;

Wilkinite 1-10.

2. according to claim-described a kind of glazing compound, it is characterized in that: described solvent adopts one or more mixtures in 200# solvent oil or the dimethylbenzene.

3. a kind of glazing compound according to claim 1 is characterized in that: described tensio-active agent adopts a kind of in octyl phenol polymerization Vinyl Ether or the ninth of the ten Heavenly Stems phenol polyglycol ether.

4. a kind of glazing compound according to claim 1 is characterized in that: one or more mixtures among described softening agent employing butyl phthalate or the DBP.

5. method for preparing the described glazing compound of claim 1 is characterized in that step is:

The first step: take by weighing various raw materials according to massfraction ratio mentioned above;

Second step: in dissolving vessel, add useless PS porous plastics and solvent by prescription, make PS be dissolved into transparent gross rubber;

The 3rd step: in another dissolving tank, add the polyethylene alcohol and water, can while stirring these product slowly be added the fully effusion of swelling, dispersion and volatility goods and materials in the cold water about 20 ℃, then be warmed up to 95 ℃ of left and right sides accelerate dissolution, and be incubated 2～2.5 hours, no longer contain molecule up to solution, again through behind the 28 order stainless steel impurity screenings, can be standby;

The 4th step: add softening agent, talcum powder and tensio-active agent again, add the filler wilkinite at last and grind and to become paste and get final product.