CN103265319B

CN103265319B - Gypsum inflaming retarding foaming agent

Info

Publication number: CN103265319B
Application number: CN201310223203.2A
Authority: CN
Inventors: 许庆华; 蒋文兰; 许盛英; 袁长兵
Original assignee: Individual
Current assignee: Huang Zhibin
Priority date: 2013-06-07
Filing date: 2013-06-07
Publication date: 2014-05-14
Anticipated expiration: 2033-06-07
Also published as: CN103265319A

Abstract

The invention discloses a gypsum inflaming retarding foaming agent. According to the technical scheme, the gypsum inflaming retarding foaming agent is characterized by consisting of calcined gypsum, high viscosity attapulgite powder, active attapulgite, sodium bicarbonate, sodium alkyl benzene sulfonate, sodium polyacrylate, sodium pyrophosphate, ammonium polyphosphate and zinc borate. The finished product of the gypsum inflaming retarding foaming agent is prepared through steps of stirring the components, grinding and packaging. Water is added into the gypsum inflaming retarding foaming agent, and after high speed stirring, plenty of gas is released rapidly so as to form porous foam slurry, the foam slurry is sprayed by a high pressure water gun and is directly used for putting out a fire, the foam slurry stably covers the surface of a combustible materia to form a foam slurry membrane which can rapidly insulate the combustible material from being in contact with the air, so that the combustible material is prevented from burning, and the foam slurry membrane plays roles in inflaming retarding and extinguishing. The gypsum inflaming retarding foaming agent is suitable for production of inflaming retarding and lightweight plate materials, lightweight wall bodies and noise reduction products.

Description

Flame-retardant expanded dose of gypsum

Technical field

The present invention relates to whipping agent, be specifically related to flame-retardant expanded dose of a kind of gypsum.

Background technology

City noise is having a strong impact on city resident's orthobiosis and health of human body, city noise mainly refers to traffic noise, factory noise, construction noise pollution and noise of social activities, the range of influence of its noise and influence degree are day by day serious, on the impact of civic living environment greatly, become one of noticeable city environmental pollution problem.

Control noise and conventionally take the measures such as damping, sound insulation, sound absorption, sourdine, personal protection and architectural composition, weaken as far as possible or reduce the vibration of sound source, acoustic energy absorption in propagating is fallen, place obstacles and make that sound is all or part of to be reflected away, weaken the effect of noise, to reach the object of controlling noise.

Conventionally adopt quieter material to produce the products such as some acoustical panels, sound insulation Wall, sound-absorbing net and sound damper and control sound pollution, also having some materials is after processing by foaming, to improve the performance of the said products.

The kind of whipping agent is more, made larger contribution, but the said products can only be used for controlling sound pollution, does not have fire-retardant effect and the function purifying air for controlling sound pollution.

Summary of the invention

The object of the invention is to overcome weak point in prior art, flame-retardant expanded dose of a kind of gypsum is provided.

Flame-retardant expanded dose of gypsum is made up of the plaster of Paris, high sticky attapulgite clay powder, activated attapulgite, sodium bicarbonate, sodium alkyl benzene sulfonate, sodium polyacrylate, trisodium phosphate, ammonium polyphosphate and zinc borate.

The production method that gypsum is flame-retardant expanded dose: by stirring in flame-retardant expanded gypsum dose of batching input stirrer, input after stirring in grinding machine and carry out abrasive dust, be packaged as the finished product of flame-retardant expanded dose of gypsum.

Natural dihydrate gypsum is called again plaster stone, through calcining, the levigate plaster of Paris that obtains; The microvoid structure of gypsum and goods thereof and thermal dehydration, make it the good sound insulation of tool, heat insulation and fire resistance.

Attapulgite has another name called polygorskite or Palygorskite, be a kind of layer of chain-like structure containing Shuifu County's zeopan clay mineral, attapulgite has unique layer chain-like structure feature, in its structure, there is crystal lattice, therefore contain Na+, Ca2+, Fe3+, the Al3+ of non-quantitative in crystal, crystal is needle-like, fibrous or fiber collection shape.Attapulgite has unique dispersion, high temperature resistant, the anti-good colloidal property such as saline and alkaline and higher adsorptive power, and has certain plasticity-and cohesive force.

The sticky attapulgite clay of described height is the attapulgite clay that adopts the complete processing that improves viscosity of attapulgite clay to produce, attapulgite clay soil property exquisiteness, there is oily soapy, light weight, property are crisp, fracture is conchoidal or irregular shape, and water-absorbent is strong, tool viscosity and plasticity-when wet, more than its viscosity can reach 3000mPas, be conducive to the bonding between raw material.

High sticky attapulgite clay powder refers to gets 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add again 372g water, suspension cup is placed on homogenizer, under the rotating speed of 11000 revs/min, stir 20 minutes, to pour in the beaker of 250ml through high-speed stirring sample suspension again the viscosity that uses NDJ-1 type rotational viscosimeter to test its suspension, tested viscosity value>=2200 into mPasattapulgite clay powder.

The pH value of attapulgite clay raw ore is 8～9, need in the present invention to carry out acidification, acidified attapulgite clay after treatment is activated attapulgite, the various performances of activated attapulgite all will be greatly improved, particularly strengthen the adsorption cleaning ability of Attapulgite, it is 5.5～7.5 that activated attapulgite pH value is controlled, water content≤2%.

Sodium bicarbonate white powder or oblique crystal crystalline powder, odorless, taste are salty and soluble in water, and its aqueous solution starts to split the carbon dioxide off and sodium carbonate in the time of 20 ℃.

Sodium alkyl benzene sulfonate white or pale yellow powder, water-soluble, oxidizable, foaming power is strong, and detersive power is high, and easily, with various additive compounds, cost is lower, synthesis technique maturation, Application Areas is extensive, is very outstanding anion surfactant.

Sodium polyacrylate is a kind of new functional macromolecule material, for white or buff powder, be dissolved in cold water, stable to temperature variation, be a kind of tensio-active agent with multiple property, be conducive in the present invention improve the effect of the thickening, foaming of flame-retardant expanded dose of gypsum, stable, emulsification, dispersion, bonding, film forming and water conservation.

Trisodium phosphate is a kind of water white transparency crystallization or white crystalline powder, soluble in water, in the present invention as dispersion agent and emulsifying agent.

Ammonium polyphosphate is white crystals or amorphous fine powder, nonpoisonous and tasteless, does not produce etchant gas, thermostability and chemical stability are high, relative density is little, and good dispersity has non-volatility in application process, do not produce corrosive gases, the advantages such as effect is lasting, and safety performance is good are a kind of non-halogen fire retardants of excellent property, ammonium polyphosphate also has expandable flame retardant function, is more conducive to eliminate smoke, fall cigarette and anti-drippage.

Zinc borate white or pale yellow powder, water insoluble, Heat stability is good, easily disperses, and toxicity is low, can effectively improve flame retardant properties, the generation of smog while reducing burning.

The present invention is achieved by following technical proposals:

1, flame-retardant expanded dose of batching of gypsum is made up of following component by weight percentage: the plaster of Paris 15～45%, high sticky attapulgite clay powder 5～20%, activated attapulgite 5～25%, sodium bicarbonate 1～35%, sodium alkyl benzene sulfonate 1～25%, sodium polyacrylate 0.01～5%, trisodium phosphate 0.01～5%, ammonium polyphosphate 0.01～5% and zinc borate 0.01～5%.

The production method that described gypsum is flame-retardant expanded dose: by stirring in flame-retardant expanded gypsum dose of batching input stirrer, input in grinding machine and carry out abrasive dust after stirring, particle fineness≤0.074 millimeter, is packaged as the finished product of flame-retardant expanded dose of gypsum.

The sticky attapulgite clay of described height is the attapulgite clay that adopts the complete processing that improves viscosity of attapulgite clay to produce, it is characterized in that, and from the attapulgite clay of mining area exploitation, need to be through the weathering of 30～120 days; Modification processing method is: calculate by weight percentage, get the attapulgite clay 94～98% after weathering, evenly add 2～6% sodium carbonate, jointly input in fermentation vat, add clear water to soak ageing, soak time is 72～120 hours; Get the attapulgite clay after immersion, in input stirrer, stir, and by the attapulgite clay after stirring, be extruded into thin slice through extrusion machine, its gauge control is at 0.5～2 millimeter, by attapulgite clay thin slice, carry out airing, the attapulgite clay thin slice after airing, its water content≤15%; Batching is calculated by weight percentage: attapulgite clay 94～98%, High hydrophilous resin 0.5～5% and Mierocrystalline cellulose 0.5～3% after airing, above-mentioned batching is stirred, and after stirring, input and in grinding machine, carry out abrasive dust, particle fineness≤0.074 millimeter.

Above-mentioned production technique is to adopt " the improving the complete processing of viscosity of attapulgite clay " of being applied on June 20th, 2005 by the inventor, and Chinese patent Granted publication number is: CN 1317067C, Granted publication day: on May 23rd, 2007.

Described water content is weight percentage.

Flame-retardant expanded gypsum dose is added water after high-speed stirring, discharge fast a large amount of gas, form cavernous foam mud, foam mud sprays by water blast gun, be directly used in fire extinguishing, the stable top layer that covers combustible matl of foam mud forms a kind of foam mud film, and foam mud film can completely cut off rapidly contacting of combustible matl and air, stop combustible matl to burn away, reach object fire-retardant and fire extinguishing.

Also flame-retardant expanded gypsum dose can be added in medium; after water mixing and stirring; can discharge a large amount of gas; in medium, produce a large amount of even and stable foams; be used for pouring into a mould multiple foam materials product, there will not be layering in casting process, the product stripping time is shorter; gas contains a certain amount of oxygen, is conducive to protect the air ambient of working-yard.。

Flame-retardant expanded dose of applicable medium of gypsum has the materials such as various cement, flyash and nonmetalliferous ore composition.

When simple use sodium alkyl benzene sulfonate, foam generated is very fast, but what break and disappear is also fast, cause the less stable of foam, in the present invention, after the plaster of Paris and other batching and sodium alkyl benzene sulfonate compatibility, form a kind of compound foaming agent, have that foaming power is strong, foam expansion is high, unit volume bubble production volume is large, foam adventitia good toughness is difficult for brokenly, froth stability is good, can be for a long time not froth breaking, foam exquisiteness, the advantage such as the hole size that generates in medium is even, bleeding quantity is low and the consistency of working medium is good.

Use the product of flame-retardant expanded dose of production of gypsum, not only effective flame-retarding fire-extinguishing, the function of controlling in addition sound pollution, be incubated and purify air, these products are for facilities such as motorway, viaduct, urban light rail, subway, factory, warehouse, public places.

Flame-retardant expanded dose of gypsum is applicable to produce flame-retarding fire-extinguishing, light weight board, Light Wall and sound-deadening and noise-reducing product.

Embodiment

Below in conjunction with embodiment, the invention will be further described:

1, flame-retardant expanded dose of batching of gypsum is made up of following component by weight percentage: the plaster of Paris 22%, high sticky attapulgite clay powder 12%, activated attapulgite 20%, sodium bicarbonate 28%, sodium alkyl benzene sulfonate 16%, sodium polyacrylate 0.8%, trisodium phosphate 0.5%, ammonium polyphosphate 0.4% and zinc borate 0.3%.

The production method that described gypsum is flame-retardant expanded dose: by stirring in flame-retardant expanded gypsum dose of batching input stirrer, input in grinding machine and carry out abrasive dust after stirring, particle fineness≤0.044 millimeter, is packaged as the finished product of flame-retardant expanded dose of gypsum.

Claims

1. flame-retardant expanded dose an of gypsum, it is characterized in that, flame-retardant expanded dose of batching of gypsum is made up of following component by weight percentage: the plaster of Paris 15～45%, high sticky attapulgite clay powder 5～20%, activated attapulgite 5～25%, sodium bicarbonate 1～35%, sodium alkyl benzene sulfonate 1～25%, sodium polyacrylate 0.01～5%, trisodium phosphate 0.01～5%, ammonium polyphosphate 0.01～5% and zinc borate 0.01～5%;

The production method that described gypsum is flame-retardant expanded dose: by stirring in flame-retardant expanded gypsum dose of batching input stirrer, input in grinding machine and carry out abrasive dust after stirring, particle fineness≤0.074 millimeter, is packaged as the finished product of flame-retardant expanded dose of gypsum;

The sticky attapulgite clay of described height is the attapulgite clay that adopts the complete processing that improves viscosity of attapulgite clay to produce, it is characterized in that, and from the attapulgite clay of mining area exploitation, need to be through the weathering of 30～120 days; Modification processing method is: calculate by weight percentage, get the attapulgite clay 94～98% after weathering, evenly add 2～6% sodium carbonate, jointly input in fermentation vat, add clear water to soak ageing, soak time is 72～120 hours; Get the attapulgite clay after immersion, in input stirrer, stir, and by the attapulgite clay after stirring, be extruded into thin slice through extrusion machine, its gauge control is at 0.5～2 millimeter, by attapulgite clay thin slice, carry out airing, the attapulgite clay thin slice after airing, its water content≤15%; Batching is calculated by weight percentage: attapulgite clay 94～98%, High hydrophilous resin 0.5～5% and Mierocrystalline cellulose 0.5～3% after airing, above-mentioned batching is stirred, and after stirring, input and in grinding machine, carry out abrasive dust, particle fineness≤0.074 millimeter;

The sticky attapulgite clay powder of described height refers to gets 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add again 372g water, suspension cup is placed on homogenizer, under the rotating speed of 11000 revs/min, stir 20 minutes, to pour in the beaker of 250mL through high-speed stirring sample suspension again the viscosity that uses NDJ-1 type rotational viscosimeter to test its suspension, tested viscosity value>=2200 into mPasattapulgite clay powder.