CN103288473B - Composite fire-retardant foam agent of magnesium oxide - Google Patents

Composite fire-retardant foam agent of magnesium oxide Download PDF

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CN103288473B
CN103288473B CN201310230487.8A CN201310230487A CN103288473B CN 103288473 B CN103288473 B CN 103288473B CN 201310230487 A CN201310230487 A CN 201310230487A CN 103288473 B CN103288473 B CN 103288473B
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magnesium oxide
foam agent
composite fire
retardant foam
attapulgite clay
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CN103288473A (en
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许庆华
袁欣
袁长兵
许盛英
蒋文兰
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Gu Xiang
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Abstract

The invention discloses a composite fire-retardant foam agent of magnesium oxide. The main points of the technical scheme are that the composite fire-retardant foam agent of magnesium oxide is prepared from light magnesium oxide, attapulgite clay powder with an air purifying function, hydrogen peroxide, aluminium hydroxide, fatty alcohol polyoxyethylene ether sodium sulfate, ultrafine polyvinyl alcohol powder, simethicone and water; firstly, paste ingredients of the composite fire-retardant foam agent of magnesium oxide are agitated into paste; the ingredients of the composite fire-retardant foam agent of magnesium oxide are agitated to form a product of the composite fire-retardant foam agent of magnesium oxide; and cavernous foam mud is formed after the composite fire-retardant foam agent of magnesium oxide is agitated at a high speed by adding water. Thus, contact of a combustible material and air can be rapidly isolated; the anti-flaming and quenching targets are achieved; the product produced by the composite fire-retardant foam agent of magnesium oxide not only has the anti-flaming, thermal insulation, heat insulation and sound insulation effects, but also has the air purifying function; and the composite fire-retardant foam agent is suitable for producing anti-flaming and quenching light weight boards, light walls and noise-reduction products.

Description

Composite fire-retardant foam agent of magnesium oxide
Technical field
The present invention relates to whipping agent, be specifically related to a kind of Composite fire-retardant foam agent of magnesium oxide.
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, aluminium 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 magnesium oxide whipping 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, a kind of Composite fire-retardant foam agent of magnesium oxide is provided.
Composite fire-retardant foam agent of magnesium oxide is made up of light magnesium oxide, the Attapulgite potter's clay powder with air purification function, hydrogen peroxide, aluminium hydroxide, polyoxyethylenated alcohol sodium sulfate, micronized polyethylene alcohol powder, dimethyl silicone oil and water.
The production method of Composite fire-retardant foam agent of magnesium oxide: first stir in Composite fire-retardant foam agent of magnesium oxide paste batching input low-speed mixer as paste, then the finished product that will stir in Composite fire-retardant foam agent of magnesium oxide batching input homogenizer as Composite fire-retardant foam agent of magnesium oxide.
Light magnesium oxide is that white lightweight is loosened unformed powder, and odorless, tasteless is nontoxic, is the gelling material of a kind of lightweight, high strength, fire prevention, heat insulation and energy-conserving and environment-protective.
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 light magnesium oxide and the Attapulgite potter's clay powder etc. with air purification function prepare burden mix after can generate a large amount of bubbles.
Aluminium hydroxide can not only be fire-retardant as fire retardant, and can prevent from being fuming, do not produce dropping, do not produce toxic gas.
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, the film formed has excellent adhesion, solvent resistance, rub resistance, tensile strength and oxygen barrier performance, the viscosity of foam can be improved, there is certain foam stabilizing effect, and the Total Product intensity adopting Composite fire-retardant foam agent of magnesium oxide to produce 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, Composite fire-retardant foam agent of magnesium oxide batching is made up of following component by weight percentage: Composite fire-retardant foam agent of magnesium oxide paste 5 ~ 75%, hydrogen peroxide 1 ~ 35%, dimethyl silicone oil 0 ~ 5% and water 1 ~ 85%.
The production method of described Composite fire-retardant foam agent of magnesium oxide: stir in Composite fire-retardant foam agent of magnesium oxide 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 Composite fire-retardant foam agent of magnesium oxide after stirring, containing intensive bubble stable in a large number in Composite fire-retardant foam agent of magnesium oxide.
Described Composite fire-retardant foam agent of magnesium oxide paste batching is made up of following component by weight percentage: light magnesium oxide 5 ~ 55%, the Attapulgite potter's clay powder 5 ~ 45% with air purification function, aluminium 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 described Composite fire-retardant foam agent of magnesium oxide paste: stir in Composite fire-retardant foam agent of magnesium oxide 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 Composite fire-retardant foam agent of magnesium oxide paste after stirring, generating portion bubble in Composite fire-retardant foam agent of magnesium oxide paste.
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 magnesium oxide 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.
Composite fire-retardant foam agent of magnesium oxide 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), Composite fire-retardant foam agent of magnesium oxide 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.
Composite fire-retardant foam agent of magnesium oxide is 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, Composite fire-retardant foam agent of magnesium oxide paste generating portion bubble in process of production, Composite fire-retardant foam agent of magnesium oxide again foams on Composite fire-retardant foam agent of magnesium oxide paste basis, 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 magnesium oxide, 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, production Composite fire-retardant foam agent of magnesium oxide, has given full play to the effective efficiency of Attapulgite potter's clay powder.
The product using Composite fire-retardant foam agent of magnesium oxide to produce, not only has 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.
Composite fire-retardant foam agent of magnesium oxide 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, Composite fire-retardant foam agent of magnesium oxide batching is made up of following component by weight percentage: Composite fire-retardant foam agent of magnesium oxide paste 16%, hydrogen peroxide 6%, dimethyl silicone oil 0.0% and water 78%.
The production method of described Composite fire-retardant foam agent of magnesium oxide: stir in Composite fire-retardant foam agent of magnesium oxide 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 Composite fire-retardant foam agent of magnesium oxide after stirring.
Described Composite fire-retardant foam agent of magnesium oxide paste batching is made up of following component by weight percentage: light magnesium oxide 28%, the Attapulgite potter's clay powder 15% with air purification function, aluminium hydroxide 14%, polyoxyethylenated alcohol sodium sulfate 3%, micronized polyethylene alcohol powder 0.8% and water 39.2%.
The production method of described Composite fire-retardant foam agent of magnesium oxide paste: stir in Composite fire-retardant foam agent of magnesium oxide paste batching input low-speed mixer, the speed control of stirrer is at 700 ~ 800 revs/min, churning time controls at 5 minutes, is Composite fire-retardant foam agent of magnesium oxide paste after stirring.
2, for the production of the embodiment of light weight board, Composite fire-retardant foam agent of magnesium oxide batching is made up of following component by weight percentage: Composite fire-retardant foam agent of magnesium oxide paste 72%, hydrogen peroxide 21.95%, dimethyl silicone oil 0.05% and water 6%.
The production method of described Composite fire-retardant foam agent of magnesium oxide: stir in Composite fire-retardant foam agent of magnesium oxide 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 Composite fire-retardant foam agent of magnesium oxide after stirring.
Described Composite fire-retardant foam agent of magnesium oxide paste batching is made up of following component by weight percentage: light magnesium oxide 26%, the Attapulgite potter's clay powder 24% with air purification function, aluminium hydroxide 5%, polyoxyethylenated alcohol sodium sulfate 3%, micronized polyethylene alcohol powder 0.5% and water 41.5%.
The production method of described Composite fire-retardant foam agent of magnesium oxide paste: stir in Composite fire-retardant foam agent of magnesium oxide paste batching input low-speed mixer, the speed control of stirrer is at 650 ~ 750 revs/min, churning time controls at 10 minutes, is Composite fire-retardant foam agent of magnesium oxide paste after stirring.

Claims (1)

1. a Composite fire-retardant foam agent of magnesium oxide, it is characterized in that, Composite fire-retardant foam agent of magnesium oxide batching is made up of following component by weight percentage: Composite fire-retardant foam agent of magnesium oxide paste 5 ~ 75%, hydrogen peroxide 1 ~ 35%, dimethyl silicone oil 0 ~ 5% and water 1 ~ 85%;
The production method of described Composite fire-retardant foam agent of magnesium oxide: stir in Composite fire-retardant foam agent of magnesium oxide 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 Composite fire-retardant foam agent of magnesium oxide after stirring;
Described Composite fire-retardant foam agent of magnesium oxide paste batching is made up of following component by weight percentage: light magnesium oxide 5 ~ 55%, the Attapulgite potter's clay powder 5 ~ 45% with air purification function, aluminium 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 described Composite fire-retardant foam agent of magnesium oxide paste: stir in Composite fire-retardant foam agent of magnesium oxide 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 Composite fire-retardant foam agent of magnesium oxide paste 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 magnesium oxide 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.
CN201310230487.8A 2013-06-12 2013-06-12 Composite fire-retardant foam agent of magnesium oxide Active CN103288473B (en)

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CN104056390B (en) * 2014-06-22 2016-11-23 重庆市金升机械配件制造有限公司 Magnesium oxide network gel foam mud fire-prevention 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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Denomination of invention: Magnesium oxide composite flame retardant foaming agent

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Record date: 20231124