CN103274725B - Gypsum compound type flame-retardant foaming agent - Google Patents

Gypsum compound type flame-retardant foaming agent Download PDF

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CN103274725B
CN103274725B CN201310230451.XA CN201310230451A CN103274725B CN 103274725 B CN103274725 B CN 103274725B CN 201310230451 A CN201310230451 A CN 201310230451A CN 103274725 B CN103274725 B CN 103274725B
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gypsum
attapulgite clay
foaming agent
expanded dose
retardant expanded
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CN103274725A (en
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袁欣
许盛英
许庆华
袁长兵
蒋文兰
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Huang Wanhui
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Abstract

The invention discloses a gypsum compound type flame-retardant foaming agent. The technical scheme of the foaming agent is characterized in that the gypsum compound type flame-retardant foaming agent comprises gypsum powder, attapulgite clay powder having an air purification function, hydrogen peroxide, magnesium hydrate, sodium alcohol ether sulphate, superfine polyving akohol powder, dimethicone and water. A gypsum compound type flame-retardant foaming agent paste ingredients are stirred into a paste, and then the ingredients of the gypsum compound type flame-retardant foaming agent are stirred into a finished product of the gypsum compound type flame-retardant foaming agent. After the gypsum compound type flame-retardant foaming agent is stirred with water at a high speed, porous foamed slurry is formed and can rapidly isolate an inflammable material from being contacted with air, and the purposes of inflaming retarding and extinguishment are achieved; a product produced with the gypsum compound type flame retardant foaming agent not only has the effects of inflaming retarding, heat preservation, thermal insulation and sound insulation, but also has the air purification function; and the gypsum compound type flame-retardant foaming agent is suitable for producing inflaming retarding fire-extinguishing products, lightweight boards, lightweight walls and noise reduction products.

Description

Compound flame-retardant expanded dose of gypsum
Technical field
The present invention relates to whipping agent, be specifically related to compound flame-retardant expanded dose of a kind of gypsum.
Background technology
Along with the reinforcement day by day of global safety environmental consciousness, the requirement of people to fire safety and fire block articles is more and more higher, and the environment friendly flame retardant of Halogen, low cigarette, low toxicity has become the target of people's pursuit.
Fire retardant mainly contains organic and inorganic at present, halogen and non-halogen.Organic is be representative with bromine system, phosphorus nitrogen system, nitrogen system and red phosphorus and compound some fire retardants, inorganic mainly antimonous oxide, magnesium hydroxide, magnesium hydroxide, the flame-retardant systems such as silicon system.
Whipping agent can be divided into chemical foaming agent, pneumatogen and tensio-active agent three major types, and the many whipping agent of purposes has cement blowing agent, concrete foamer, plastics blowing agent, polyurethane foams, rubber pange agent, glass whipping agent etc.
Although fire retardant and whipping agent kind are often, application is also comparatively wide, there is performance comprehensive not, can not meet the drawback of actual production and environmental protection needs, the function that existing fire retardant and whipping agent do not purify air.
Summary of the invention
The object of the invention is to overcome weak point in prior art, compound flame-retardant expanded dose of a kind of gypsum is provided.
Compound flame-retardant expanded dose of gypsum is made up of gesso, the Attapulgite potter's clay powder with air purification function, hydrogen peroxide, magnesium hydroxide, polyoxyethylenated alcohol sodium sulfate, micronized polyethylene alcohol powder, dimethyl silicone oil and water.
The production method that gypsum is compound flame-retardant expanded dose: first stir in compound for gypsum flame-retardant expanded dose of paste batching input low-speed mixer as paste, then the finished product that will stir in compound for gypsum flame-retardant expanded dose of batching input homogenizer as compound flame-retardant expanded dose of gypsum.
Natural dihydrate gypsum is also called plaster stone, through calcining, levigately obtains ripe gesso; The microvoid structure of gypsum and goods thereof and thermal dehydration, make it the excellent sound insulation of tool, heat insulation and fire resistance, and ripe gesso is the conventional products of building materials industry.
The Attapulgite potter's clay powder with air purification function glues attapulgite clay by height, attapulite constant humidity amendment, natural-minerals adsorptive filter medium, Leafy twigs of Oriental Arborvitae, aluminium silicate fiber peacekeeping polyacrylamide form; There is good cohesiveness, plasticity-, thixotropy, resistivity against fire and thermostability; Can the objectionable impurities such as formaldehyde, ammonia and benzene in effective absorbed air, protection of the environment and promote the healthy of people.
High sticky attapulgite clay is the attapulgite clay adopting the complete processing improving viscosity of attapulgite clay to produce, attapulgite clay soil property is fine and smooth, there is oily soapy, light weight, property are crisp, fracture is conchoidal or irregular shape, and water-absorbent is strong, tool viscosity and plasticity-time wet, its viscosity can reach more than 3000mPas, is 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 372g water again, suspension cup is placed on homogenizer, stir 20 minutes under the rotating speed of 11000 revs/min, to pour in the beaker of 250ml through high-speed stirring sample suspension again, use NDJ-1 type rotational viscosimeter to carry out the viscosity of testing its suspension, tested viscosity value>=2200 mPasattapulgite clay powder.
Hydrogen peroxide is commonly called as hydrogen peroxide, and outward appearance is colourless transparent liquid, and be a kind of strong oxidizer, the present invention selects massfraction >=35% of industrial hydrogen peroxide.With gesso and the Attapulgite potter's clay powder etc. with air purification function prepare burden mix after can generate a large amount of bubbles.
Magnesium hydroxide is a kind of white amorphous powder, Bound moisture is discharged by during decomposes, absorb a large amount of latent heat, reduce the surface temperature of synthetic materials in flame that it fills, there is the effect suppressing polymer unwinds and cool produced inflammable gas, decomposing the magnesium oxide generated is again good refractory materials, also can help the fire resistance improving synthetic materials, and the water vapour that it is released simultaneously also can be used as a kind of smoke suppressant; Magnesium hydroxide has outstanding fire retardant that is fire-retardant, that press down cigarette, fill triple functions.
Polyoxyethylenated alcohol sodium sulfate is soluble in water, has excellent decontamination, emulsification, foam performance and anti-performance of hard water, is a kind of anion surfactant.
Micronized polyethylene alcohol powder is a kind of white, powdery, stable, nontoxic high molecular weight water soluble polymer, and energy rapid solution is in normal-temperature water, and form stable colloid, water is the solvent that polyvinyl alcohol is good.Polyvinyl alcohol has good makes film, and the film of formation has excellent adhesion, solvent resistance, rub resistance, tensile strength and oxygen barrier performance, can improve the viscosity of foam, there is certain foam stabilizing effect, and the Total Product intensity adopting the compound flame-retardant expanded dose of production of gypsum can be improved.
Dimethyl silicone oil surface tension is little, water insoluble, chemical stability is good, nontoxic, be a kind of defoamer and remover, for eliminating the invalid bubble generated in foaming process, improve the make rate of abscess, quick demoulding and prevent the mould that collapses when also helping cast foam materials, carries out flame-retarding fire-extinguishing for fire-extinguishing location, can not add dimethyl silicone oil.
The present invention is achieved by following technical proposals:
1, the compound flame-retardant expanded dose of batching of gypsum is made up of following component by weight percentage: the compound flame-retardant expanded dose of paste 5 ~ 75% of gypsum, hydrogen peroxide 1 ~ 35%, dimethyl silicone oil 0 ~ 5% and water 1 ~ 85%.
The production method that described gypsum is compound flame-retardant expanded dose: stir in compound for gypsum flame-retardant expanded dose of batching input homogenizer, the speed control of stirrer is at 1400 ~ 1800 revs/min, churning time controls at 1 ~ 30 minute, be the finished product of compound flame-retardant expanded dose of gypsum after stirring, containing intensive bubble stable in a large number in compound flame-retardant expanded dose of gypsum.
The compound flame-retardant expanded dose of paste batching of described gypsum is made up of following component by weight percentage: gesso 5 ~ 55%, the Attapulgite potter's clay powder 5 ~ 45% with air purification function, magnesium hydroxide 1 ~ 35%, polyoxyethylenated alcohol sodium sulfate 0.01 ~ 15%, micronized polyethylene alcohol powder 0.01 ~ 5% and water 5 ~ 55%.
The production method of the compound flame-retardant expanded dose of paste of described gypsum: stir in compound for gypsum flame-retardant expanded dose of paste batching input low-speed mixer, the speed control of stirrer is at 600 ~ 800 revs/min, churning time controls at 1 ~ 20 minute, for the compound flame-retardant expanded dose of paste of gypsum after stirring, generating portion bubble in the compound flame-retardant expanded dose of paste of gypsum.
The described batching with the Attapulgite potter's clay powder of air purification function is made up of following component by weight percentage: high sticky attapulgite clay 35 ~ 60%, attapulite constant humidity amendment 10 ~ 35%, natural-minerals adsorptive filter medium 5 ~ 20%, Leafy twigs of Oriental Arborvitae 2 ~ 15%, aluminum silicate fiber 1 ~ 5% and polyacrylamide 0.1 ~ 3%.
The described production method with the Attapulgite potter's clay powder of air purification function is: (1) rear the input in pulverizer of batching mixing with the Attapulgite potter's clay powder of air purification function pulverized, the compound particles fineness after pulverizing is less than 0.5 millimeter; (2) pulverulent mixture is added and soak in old pond that to carry out soaking old process with water be work in-process, soak old time controling at 7 ~ 30 days; (3) inputted in vacuum-extruder by work in-process and be squeezed into cylindrical bar, the diameter control of cylindrical bar is at 2 ~ 10 millimeters; (4) cylindrical bar is input to cement threshing ground and carries out airing, the cylindrical bar water content after airing is less than 15%; (5) be meal by carrying out abrasive dust in the cylindrical bar input grinding machine after airing, the particle fineness of meal is less than 0.074 millimeter.
The Attapulgite potter's clay powder with air purification function adopts to be applied for " having the Attapulgite potter's clay powder of air purification function " on February 25th, 2011 by the present inventor, Chinese patent Authorization Notice No. is: CN 102173743 B, authorized announcement date: on July 25th, 2012.
It is the attapulgite clay adopting the complete processing improving viscosity of attapulgite clay to produce that described height glues attapulgite clay, it is characterized in that, from the attapulgite clay of mining area exploitation, needs the weathering through 30 ~ 120 days; Modification processing method is: calculate by weight percentage, gets the attapulgite clay after weathering 94 ~ 98%, evenly adds 2 ~ 6% sodium carbonate, and in common input fermentation vat, add clear water and carry out immersion ageing, soak time is 72 ~ 120 hours; Get the attapulgite clay after immersion, stir in input stirrer, and by the attapulgite clay after stirring, be extruded into thin slice through extrusion machine, its gauge control 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: the attapulgite clay 94 ~ 98% after airing, High hydrophilous resin 0.5 ~ 5% and Mierocrystalline cellulose 0.5 ~ 3%, above-mentioned batching is stirred, inputs in grinding machine and carry out abrasive dust, particle fineness≤0.074 millimeter after stirring.
Above-mentioned production technique adopts to be applied for " improving the complete processing of viscosity of attapulgite clay " on June 20th, 2005 by the present inventor, and Chinese patent Authorization Notice No. is: CN 1317067C, authorized announcement date: on May 23rd, 2007.
Described water content is weight percentage.
The present invention selects massfraction >=35% of industrial hydrogen peroxide, takes production scene to add water and adjusts the batching per-cent of industrial hydrogen peroxide, is conducive to reducing trucking costs and production cost, improves the foaming quality of product.
Compound flame-retardant expanded dose of gypsum is a kind of paste whipping agent, after water mixing and stirring, for scene fire-retardant and fire extinguishing fast; Also can at the construction field (site), compound flame-retardant expanded dose of gypsum be directly used to produce flame-retarding fire-extinguishing, light weight board, Light Wall and sound-deadening and noise-reducing product, to save production cost.
Gypsum compound flame-retardant expanded dose after flame-retarding fire-extinguishing scene adds water high-speed stirring, discharge a large amount of gas fast, form cavernous foam mud, foam mud is sprayed by water blast gun, be directly used in flame-retarding fire-extinguishing, foam mud is stablized the top layer covering combustible matl and is formed a kind of foam mud film, and foam mud film can completely cut off rapidly the contact of combustible matl and air, stop combustible matl to burn away, reach fire-retardant and the object of fire extinguishing.
During simple use hydrogen peroxide foaming, generation bubble is very fast, but it is also fast that part bubbles burst disappears, cause the less stable of foam, the present invention is a kind of compound foaming agent, the compound flame-retardant expanded dose of paste of gypsum generating portion bubble in process of production, compound flame-retardant expanded dose of gypsum again foams on the compound flame-retardant expanded dose of paste basis of gypsum, there is foaming power strong, foam expansion is high, unit volume bubble production volume is large, abscess is fine and smooth evenly not easily broken, product stripping speed is fast, the feature that surface smoothness is good and product later strength is high.
Wilkinite after rice hulls after the Attapulgite potter's clay powder with air purification function glues attapulgite clay, quick dissolved sodium silicate, zeolite powder, acidifying by height, the zeolite after acidifying, Concavo-convex excellent stone clay after the acidify, acidifying, the raw material such as gypsum, volcanics, alumine, Leafy twigs of Oriental Arborvitae, aluminium silicate fiber peacekeeping polyacrylamide after acidifying form; There is good cohesiveness, plasticity-, thixotropy, resistivity against fire and thermostability, can the objectionable impurities such as formaldehyde, ammonia and benzene in effective absorbed air, protection of the environment and promote the healthy of people.
Adopt the Attapulgite potter's clay powder with air purification function for mainly raw material in the present invention, produce compound flame-retardant expanded dose of gypsum, given full play to the effective efficiency of Attapulgite potter's clay powder.
Use the compound flame-retardant expanded dose of product produced of gypsum, not only have the effect of fire-retardant, insulation, heat insulation, sound insulation, the function purified air in addition; These products are used in the facilities such as motorway, viaduct, urban light rail, subway, factory, warehouse, public place.
Compound 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, for the embodiment of flame-retarding fire-extinguishing, the compound flame-retardant expanded dose of batching of gypsum is made up of following component by weight percentage: the compound flame-retardant expanded dose of paste 16% of gypsum, hydrogen peroxide 6%, dimethyl silicone oil 0.0% and water 78%.
The production method that described gypsum is compound flame-retardant expanded dose: stir in compound for gypsum flame-retardant expanded dose of batching input homogenizer, the speed control of stirrer is at 1600 ~ 1800 revs/min, churning time controls at 3 minutes, is the finished product of compound flame-retardant expanded dose of gypsum after stirring.
The compound flame-retardant expanded dose of paste batching of described gypsum is made up of following component by weight percentage: gesso 26%, the Attapulgite potter's clay powder 12% with air purification function, magnesium hydroxide 16%, polyoxyethylenated alcohol sodium sulfate 5%, micronized polyethylene alcohol powder 0.8% and water 40.2%.
The production method of the compound flame-retardant expanded dose of paste of described gypsum: stir in compound for gypsum flame-retardant expanded dose of paste batching input low-speed mixer, the speed control of stirrer is at 700 ~ 800 revs/min, churning time controls at 5 minutes, is the compound flame-retardant expanded dose of paste of gypsum after stirring.
2, for the production of the embodiment of light weight board, the compound flame-retardant expanded dose of batching of gypsum is made up of following component by weight percentage: the compound flame-retardant expanded dose of paste 68% of gypsum, hydrogen peroxide 23.95%, dimethyl silicone oil 0.05% and water 8%.
The production method that described gypsum is compound flame-retardant expanded dose: stir in compound for gypsum flame-retardant expanded dose of batching input homogenizer, the speed control of stirrer is at 1500 ~ 1600 revs/min, churning time controls at 6 minutes, is the finished product of compound flame-retardant expanded dose of gypsum after stirring.
The compound flame-retardant expanded dose of paste batching of described gypsum is made up of following component by weight percentage: gesso 26%, the Attapulgite potter's clay powder 22% with air purification function, magnesium hydroxide 5%, polyoxyethylenated alcohol sodium sulfate 3%, micronized polyethylene alcohol powder 0.5% and water 43.5%.
The production method of the compound flame-retardant expanded dose of paste of described gypsum: stir in compound for gypsum flame-retardant expanded dose of paste batching input low-speed mixer, the speed control of stirrer is at 650 ~ 750 revs/min, churning time controls at 8 minutes, is the compound flame-retardant expanded dose of paste of gypsum after stirring.

Claims (1)

1. compound flame-retardant expanded dose an of gypsum, it is characterized in that, the compound flame-retardant expanded dose of batching of gypsum is made up of following component by weight percentage: the compound flame-retardant expanded dose of paste 5 ~ 75% of gypsum, hydrogen peroxide 1 ~ 35%, dimethyl silicone oil 0 ~ 5% and water 1 ~ 85%;
The production method that described gypsum is compound flame-retardant expanded dose: stir in compound for gypsum flame-retardant expanded dose of batching input homogenizer, the speed control of stirrer is at 1400 ~ 1800 revs/min, churning time controls at 1 ~ 30 minute, is the finished product of compound flame-retardant expanded dose of gypsum after stirring;
The compound flame-retardant expanded dose of paste batching of described gypsum is made up of following component by weight percentage: gesso 5 ~ 55%, the Attapulgite potter's clay powder 5 ~ 45% with air purification function, magnesium hydroxide 1 ~ 35%, polyoxyethylenated alcohol sodium sulfate 0.01 ~ 15%, micronized polyethylene alcohol powder 0.01 ~ 5% and water 5 ~ 55%;
The production method of the compound flame-retardant expanded dose of paste of described gypsum: stir in compound for gypsum flame-retardant expanded dose of paste batching input low-speed mixer, the speed control of stirrer is at 600 ~ 800 revs/min, churning time controls at 1 ~ 20 minute, is the compound flame-retardant expanded dose of paste of gypsum after stirring;
The described batching with the Attapulgite potter's clay powder of air purification function is made up of following component by weight percentage: high sticky attapulgite clay 35 ~ 60%, attapulite constant humidity amendment 10 ~ 35%, natural-minerals adsorptive filter medium 5 ~ 20%, Leafy twigs of Oriental Arborvitae 2 ~ 15%, aluminum silicate fiber 1 ~ 5% and polyacrylamide 0.1 ~ 3%;
The described production method with the Attapulgite potter's clay powder of air purification function is: (1) rear the input in pulverizer of batching mixing with the Attapulgite potter's clay powder of air purification function pulverized, the compound particles fineness after pulverizing is less than 0.5 millimeter; (2) pulverulent mixture is added and soak in old pond that to carry out soaking old process with water be work in-process, soak old time controling at 7 ~ 30 days; (3) inputted in vacuum-extruder by work in-process and be squeezed into cylindrical bar, the diameter control of cylindrical bar is at 2 ~ 10 millimeters; (4) cylindrical bar is input to cement threshing ground and carries out airing, the cylindrical bar water content after airing is less than 15%; (5) be meal by carrying out abrasive dust in the cylindrical bar input grinding machine after airing, the particle fineness of meal is less than 0.074 millimeter;
It is the attapulgite clay adopting the complete processing improving viscosity of attapulgite clay to produce that described height glues attapulgite clay, from the attapulgite clay of mining area exploitation, needs the weathering through 30 ~ 120 days; Modification processing method is: calculate by weight percentage, gets the attapulgite clay after weathering 94 ~ 98%, evenly adds 2 ~ 6% sodium carbonate, and in common input fermentation vat, add clear water and carry out immersion ageing, soak time is 72 ~ 120 hours; Get the attapulgite clay after immersion, stir in input stirrer, and by the attapulgite clay after stirring, be extruded into thin slice through extrusion machine, its gauge control 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: the attapulgite clay 94 ~ 98% after airing, High hydrophilous resin 0.5 ~ 5% and Mierocrystalline cellulose 0.5 ~ 3%, above-mentioned batching is stirred, inputs in grinding machine and carry out abrasive dust, particle fineness≤0.074 millimeter after stirring;
The sticky attapulgite clay powder of this height refers to gets 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water again, suspension cup is placed on homogenizer, stir 20 minutes under the rotating speed of 11000 revs/min, to pour in the beaker of 250ml through high-speed stirring sample suspension again, use NDJ-1 type rotational viscosimeter to carry out the viscosity of testing its suspension, tested viscosity value>=2200 mPasattapulgite clay powder.
CN201310230451.XA 2013-06-12 2013-06-12 Gypsum compound type flame-retardant foaming agent Active CN103274725B (en)

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CN103556735B (en) * 2013-10-13 2016-07-06 重庆环德科技有限公司 Environment-friendlyacoustic acoustic absorption gypsum board
CN104083843B (en) * 2014-06-23 2017-04-19 许庆华 Gypsum reticular gel foam mud fire prevention and extinguishing agent

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102173743A (en) * 2011-02-25 2011-09-07 许庆华 Attapulgite argil powder with air purifying function
CN102633455A (en) * 2012-04-16 2012-08-15 南京信息工程大学 Composite type foam concrete foaming agent and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102173743A (en) * 2011-02-25 2011-09-07 许庆华 Attapulgite argil powder with air purifying function
CN102633455A (en) * 2012-04-16 2012-08-15 南京信息工程大学 Composite type foam concrete foaming agent and preparation method thereof

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