CN103265317B - Powdery magnesium oxide foaming agent - Google Patents
Powdery magnesium oxide foaming agent Download PDFInfo
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- CN103265317B CN103265317B CN201310223188.1A CN201310223188A CN103265317B CN 103265317 B CN103265317 B CN 103265317B CN 201310223188 A CN201310223188 A CN 201310223188A CN 103265317 B CN103265317 B CN 103265317B
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- Prior art keywords
- magnesium oxide
- attapulgite clay
- powdery magnesium
- foaming agent
- powdery
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- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000000395 magnesium oxide Substances 0.000 title claims abstract description 36
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000004088 foaming agent Substances 0.000 title abstract description 10
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 48
- 229960000892 attapulgite Drugs 0.000 claims abstract description 45
- 239000004927 clay Substances 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 18
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims abstract description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 7
- 239000011734 sodium Substances 0.000 claims abstract description 7
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 7
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 7
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 6
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229940010698 activated attapulgite Drugs 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 8
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 150000004002 naphthaldehydes Chemical class 0.000 claims description 6
- 239000001488 sodium phosphate Substances 0.000 claims description 6
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 6
- 229910000406 trisodium phosphate Inorganic materials 0.000 claims description 6
- 235000019801 trisodium phosphate Nutrition 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 238000000855 fermentation Methods 0.000 claims description 2
- 230000004151 fermentation Effects 0.000 claims description 2
- 238000009775 high-speed stirring Methods 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 238000005065 mining Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 239000006260 foam Substances 0.000 abstract description 11
- 238000005187 foaming Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000000740 bleeding effect Effects 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract 2
- SQAINHDHICKHLX-UHFFFAOYSA-N 1-naphthaldehyde Chemical compound C1=CC=C2C(C=O)=CC=CC2=C1 SQAINHDHICKHLX-UHFFFAOYSA-N 0.000 abstract 1
- 241001391944 Commicarpus scandens Species 0.000 abstract 1
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 238000003801 milling Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 abstract 1
- 229940045872 sodium percarbonate Drugs 0.000 abstract 1
- 229940048086 sodium pyrophosphate Drugs 0.000 abstract 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 abstract 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000020477 pH reduction Effects 0.000 description 3
- 239000001117 sulphuric acid Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- -1 SPC-D Chemical compound 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000008233 hard water Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Detergent Compositions (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a powdery magnesium oxide foaming agent. The foaming agent comprises lightweight magnesium oxide, high-viscosity attapulgite clay powder, active attapulgite clay, sodium dodecyl sulfate, sodium percarbonate, sodium polyacrylate, sodium pyrophosphate and sodium poly[(naphthaleneformaldehyde)sulfonate]. The finished product of the powdery magnesium oxide foaming agent is produced by stirring ingredients of the powdery magnesium oxide foaming agent, milling the ingredients into powder and packaging the powder. The powdery magnesium oxide foaming agent has the advantages that the powdery magnesium oxide foaming agent has strong foaming capacity, high foam expansion and high foam yield in unit volume, has good foam outer membrane tenacity and is not easy to break, has good foam stability, can not be defoamed for a long time, is exquisite in foam, is uniform in sizes of holes generated in media and has low bleeding quantity and good compatibility of used media. The products produced by using the powdery magnesium oxide foaming agent not only can effectively control noise pollution but also have the functions of preserving heat and purifying air. The powdery magnesium oxide foaming agent is suitable for producing lightweight boards, lightweight walls and noise reducing products.
Description
Technical field
The present invention relates to whipping agent, be specifically related to a kind of powdery magnesium oxide whipping agent.
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, the function not purifying air for controlling sound pollution.
Summary of the invention
The object of the invention is to overcome weak point in prior art, a kind of powdery magnesium oxide whipping agent is provided.
Powdery magnesium oxide whipping agent is made up of light magnesium oxide, high sticky attapulgite clay powder, activated attapulgite, sodium lauryl sulphate, SPC-D, sodium polyacrylate, trisodium phosphate and poly-naphthaldehyde sulfonate sodium.
The production method of powdery magnesium oxide whipping agent: by stirring in powdery magnesium oxide whipping agent batching input stirrer, input after stirring in grinding machine and carry out abrasive dust, be packaged as the finished product of powdery magnesium oxide whipping agent.
Light magnesium oxide is the gelling material of a kind of lightweight, high strength, fire prevention, heat insulation and energy-conserving and environment-protective in vain.
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.
High sticky attapulgite clay 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 lauryl sulphate is white or faint yellow powdery, water-soluble, insensitive to alkali and hard water, has decontamination, emulsification and excellent foaming power, is a kind of nontoxic anion surfactant; When powdery magnesium oxide whipping agent and water mix, a large amount of bubble of the common generation of sodium lauryl sulphate and SPC-D.
SPC-D is a kind of inorganic salt, and the granulated powders that is white in color can be decomposed rapidly after SPC-D contacts with water, discharges a large amount of oxygen.
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 powdery magnesium oxide whipping agent, 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.
Poly-naphthaldehyde sulfonate sodium is brown or dark-brown powder, and soluble in water, acidproof, alkaline-resisting, resistance to hard water, has good diffustivity; In the time that powdery magnesium oxide whipping agent and water mix, generate a large amount of bubbles, it is more even that trisodium phosphate and poly-naphthaldehyde sulfonate sodium are conducive to the bubble distribution of generation.
The present invention is achieved by following technical proposals:
1, powdery magnesium oxide whipping agent batching is made up of following component by weight percentage: light magnesium oxide 15～45%, high sticky attapulgite clay powder 5～15%, activated attapulgite 5～25%, sodium lauryl sulphate 1～35%, SPC-D 1～25%, sodium polyacrylate 0.01～5%, trisodium phosphate 0.01～5% and poly-naphthaldehyde sulfonate sodium 0.01～5%.
The production method of described powdery magnesium oxide whipping agent: by stirring in powdery magnesium oxide whipping agent 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 powdery magnesium oxide whipping agent.
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.
The production method of described activated attapulgite is: the 1. preparation of dilute sulphuric acid, is made up of following component by weight percentage: the sulfuric acid 3～5% of concentration 98 ﹪, water 95～97%; 2. the batching of acidification, comprises following component by weight percentage: attapulgite clay raw ore 55～65%, and dilute sulphuric acid 35～45%, slowly adds dilute sulphuric acid and in attapulgite clay raw ore, carries out acidification; 3. extruding: by Concavo-convex excellent stone clay after the acidify, push as flap thickness≤3 millimeter of flap by extrusion machine; 4. roasting: the flap of attapulgite clay is transported in stoving oven and carries out roasting, and roasting time is 1.5～3 hours, and maturing temperature is controlled at 320～450 ℃, and the attapulgite clay flap after roasting is activated attapulgite.
This production method is the production method that adopts the activated attapulgite in " embossed rod medicinal health-care bathing-mud powder " of application on March 7th, 2006 by the inventor, the China Patent Publication No. of embossed rod medicinal health-care bathing-mud powder is: CN1850026, open day: on October 25th, 2006.
Described water content is weight percentage.
Powdery magnesium oxide whipping agent is 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.
The applicable medium of powdery magnesium oxide whipping agent has the materials such as various cement, flyash and nonmetalliferous ore composition.
When simple use sodium lauryl sulphate, foam generated is very fast, but what break and disappear is also fast, cause the less stable of foam, in the present invention, after light magnesium oxide and other batching and sodium lauryl sulphate 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.
The product that uses powdery magnesium oxide whipping agent to produce, not only can effectively control sound pollution, the function that is incubated in addition and purifies air; These products are for facilities such as motorway, viaduct, urban light rail, subway, factory, warehouse, public places.
Powdery magnesium oxide whipping agent is applicable to produce 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, powdery magnesium oxide whipping agent batching is made up of following component by weight percentage: light magnesium oxide 24%, high sticky attapulgite clay powder 10%, activated attapulgite 20%, sodium lauryl sulphate 30%, SPC-D 14.3%, sodium polyacrylate 0.8%, trisodium phosphate 0.6% and poly-naphthaldehyde sulfonate sodium 0.3%.
The production method of described powdery magnesium oxide whipping agent: by stirring in powdery magnesium oxide whipping agent 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 powdery magnesium oxide whipping agent.
Claims (1)
1. a powdery magnesium oxide whipping agent, it is characterized in that, powdery magnesium oxide whipping agent batching is made up of following component by weight percentage: light magnesium oxide 15～45%, high sticky attapulgite clay powder 5～15%, activated attapulgite 5～25%, sodium lauryl sulphate 1～35%, SPC-D 1～25%, sodium polyacrylate 0.01～5%, trisodium phosphate 0.01～5% and poly-naphthaldehyde sulfonate sodium 0.01～5%;
The production method of described powdery magnesium oxide whipping agent: by stirring in powdery magnesium oxide whipping agent 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 powdery magnesium oxide whipping agent;
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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223188.1A CN103265317B (en) | 2013-06-07 | 2013-06-07 | Powdery magnesium oxide foaming agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223188.1A CN103265317B (en) | 2013-06-07 | 2013-06-07 | Powdery magnesium oxide foaming agent |
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| CN103265317B true CN103265317B (en) | 2014-05-14 |
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| CN103806562A (en) * | 2014-01-23 | 2014-05-21 | 许庆华 | Unfired magnesium oxide foaming acoustical board |
| CN105623167A (en) * | 2014-10-28 | 2016-06-01 | 武汉凌科达科技有限公司 | Preparation method of quick-acting particle foaming composition |
| CN113443882A (en) * | 2021-07-20 | 2021-09-28 | 吉林省优瑞佳新型建筑材料有限公司 | Light-weight aerogel |
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| JPS57195129A (en) * | 1981-05-26 | 1982-11-30 | Eiwa Kasei Kogyo Kk | Foaming agent composition for water-crosslinkable polymer |
| JP2007284325A (en) * | 2006-04-12 | 2007-11-01 | Ael:Kk | Foaming agent and method for producing foamed material |
| CN102093588B (en) * | 2010-12-31 | 2012-07-04 | 常州市英特玛柯橡塑科技有限公司 | Composite foaming agent and preparation method and application thereof |
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