CN103556733A - Environment-friendly magnesium oxide acoustic board - Google Patents
Environment-friendly magnesium oxide acoustic board Download PDFInfo
- Publication number
- CN103556733A CN103556733A CN201310475267.1A CN201310475267A CN103556733A CN 103556733 A CN103556733 A CN 103556733A CN 201310475267 A CN201310475267 A CN 201310475267A CN 103556733 A CN103556733 A CN 103556733A
- Authority
- CN
- China
- Prior art keywords
- magnesia
- built
- frame
- foaming agent
- magnesium oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 239000000395 magnesium oxide Substances 0.000 title claims abstract description 88
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 title abstract 11
- 239000004088 foaming agent Substances 0.000 claims abstract description 53
- 238000010521 absorption reaction Methods 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000004927 clay Substances 0.000 claims abstract description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 11
- -1 magnesia compound Chemical class 0.000 claims description 50
- 238000003756 stirring Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 229920000570 polyether Polymers 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 238000004887 air purification Methods 0.000 claims description 6
- BRDJPCFGLMKJRU-UHFFFAOYSA-N DDAO Chemical compound ClC1=C(O)C(Cl)=C2C(C)(C)C3=CC(=O)C=CC3=NC2=C1 BRDJPCFGLMKJRU-UHFFFAOYSA-N 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 229940043237 diethanolamine Drugs 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000005245 sintering Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005452 bending Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 229960000892 attapulgite Drugs 0.000 abstract description 2
- 229910052625 palygorskite Inorganic materials 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 7
- 238000005728 strengthening Methods 0.000 abstract 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000006260 foam Substances 0.000 description 5
- 238000005187 foaming Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 206010000269 abscess Diseases 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 239000000383 hazardous chemical Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Abstract
The invention discloses an environment-friendly magnesium oxide acoustic board. According to the technical scheme, a built-in frame is horizontally placed on a mold; after short steel tubes in the built-in frame are inserted in vertical columns, composite magnesium oxide foaming agents are poured on the periphery of the built-in frame, and the built-in frame is completely inlaid in the composite foaming agents; and after the composite foaming agents are solidified in a standing manner, roasted and cooled, the built-in frame which is completely inlaid in the composite foaming agents is packaged to obtain the finished product of the environment-friendly magnesium oxide acoustic board. The composite magnesium oxide foaming agents consist of raw materials such as light magnesium oxide, attapulgite clay powder and hydrogen peroxide; after the composite magnesium oxide foaming agents are solidified, the composite magnesium oxide foaming agents and the built-in frame form an integrated body, and the integral strength, the bending resistance and the actual using effect of the environment-friendly magnesium oxide acoustic board are improved; and the environment-friendly magnesium oxide acoustic board not only has an effect of strengthening sound absorption and controlling noise pollution, but also has functions of preserving heat, absorbing sound and purifying air. In addition, the environment-friendly magnesium oxide acoustic board is applicable to facilities such as an expressway, a viaduct, an urban light rail, a metro, a factory, a warehouse and a public place.
Description
Technical field
The present invention relates to abatvoix, be specifically related to a kind of magnesia environment friendly acoustical absorption plate.
Background technology
City noise is having a strong impact on townsfolk's normal life and health of human body, city noise mainly refers to traffic noise, factory noise, construction noise pollution and noise of social activities, the influence basin 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.
Conventionally adopt damping material to produce the products such as some abatvoixs, noise barrier, sound-absorbing net and noise damper and control noise pollution, also having some damping materials is to produce the products such as abatvoix after processing by foaming, to improve the performance of product.
The abatvoix quality of selling after foaming is in the market more crisp, and the bulk strength of abatvoix, counter-bending ability and result of use are undesirable; At abatvoix, be installed in the process on building wall, abatvoix needs on-the-spot 4 the above bolts hole that bore, not only time-consuming, increase difficulty of construction, and be easy to abatvoix be broken or shatter in when boring, after abatvoix is arranged on building wall, due to the effect of gravity, can cause the abatvoix fragmentation from building wall after boring to come off.
Summary of the invention
The object of the invention is to overcome weak point in prior art, a kind of magnesia environment friendly acoustical absorption plate is provided.
Magnesia environment friendly acoustical absorption plate is comprised of magnesia compound foaming agent and built-in frame, built-in frame is lain on mould, after short steel pipes in built-in frame inserts column, adopt magnesia compound foaming agent to be cast in built-in frame periphery, built-in frame is embedded in the inside of compound foaming agent completely, through standing curing processing, roasting and cooling after, be packaged as magnesia environment friendly acoustical absorption board finished product.
Light magnesium oxide is the loose unformed powder of white lightweight, and odorless, tasteless is nontoxic, is the cementitious material of a kind of lightweight, high strength, fire prevention, heat insulation and energy-conserving and environment-protective.
The concave convex rod potter's clay powder with air purification function is comprised of the sticky Concave-convex clay rod of height, attapulite constant humidity amendment, natural-minerals adsorptive filter medium, cacumen biotae, aluminium silicate fiber peacekeeping polyacrylamide; there is good caking property, plasticity, thixotropy, refractoriness and heat stability; the effective hazardous substances such as formaldehyde, ammonia and benzene in absorbed air, protection of the environment and promote the healthy of people.
High sticky Concave-convex clay rod is the Concave-convex clay rod that adopts the processing technology production that improves viscosity of attapulgite clay, Concave-convex clay rod soil property is fine and smooth, there is oily soapy, light weight, property are crisp, fracture is conchoidal or irregular shape, and water imbibition 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 Concave-convex clay rod powder refers to gets 28.0g Concave-convex clay rod 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 stirred sample suspension again, use the viscosity of NDJ-1 type rotation viscometer test suspension liquid, tested viscosity value>=2200
mPasconcave-convex clay rod powder.
Hydrogen peroxide is commonly called as hydrogen peroxide, outward appearance is colourless transparent liquid, be a kind of strong oxidizer, the present invention selects mass fraction >=35% of industrial hydrogen peroxide, after mixing, can generate a large amount of bubbles with light magnesium oxide and the batchings such as concave convex rod potter's clay powder with air purification function.
DDAO is a kind of amphoteric surfactant, colourless transparent liquid, for weak cation surfactant, in acid medium, be cationic, in alkaline medium, be nonionic, have good thickening, antistatic, soft, foam enhancing and detergency ability, foam is abundant and stablize, the gentle excitant of character is low, has good antistatic behaviour and flexibility.
Cocounut oil acyl diethanol amine is water-soluble, has good decontamination, emulsification, foaming, steady bubble, dispersion, solubilising power.
Silicones polyethers emulsion is a kind of novel high polymer foam stabilizer, by changing intramolecule, put in order, make to arrange between surfactant bubble and bubble closely neat, thereby form fine and close inner layer film, make anti-pressure ability strong especially, can control the structural stability of air bubble liquid-membrane, make surfactant molecule in the Methodistic distribution of liquid film of bubble, give elasticity and the self-reparing capability of have good lather, thereby reach desirable especially steady bubble effect.
Polyether modified silicon oil is the organosilicon non-ionic surface active agent that adopts a kind of unique properties that polyethers and dimethyl siloxane graft copolymerization forms, and can reduce internal friction, the stress of its molecule, thereby play levelling, froth breaking for the present invention.
The present invention is achieved by following technical proposals:
Magnesia environment friendly acoustical absorption plate is a kind of rectangular plate-shaped body, built-in frame and magnesia compound foaming agent, consists of, and is designed with 4～32 short steel pipes in built-in frame, and the endoporus of short steel pipes is the installing hole of magnesia environment friendly acoustical absorption plate; Built-in frame is lain on mould, after short steel pipes in built-in frame inserts column, adopt magnesia compound foaming agent to be cast in built-in frame periphery, built-in frame is magnesia environment friendly acoustical absorption boards half-finished product after being embedded in the inside of magnesia compound foaming agent completely; After the standing curing processing of 1～7 day, magnesia environment friendly acoustical absorption boards half-finished product is taken out from mould, be transported to roasting in tunnel cave, sintering temperature is controlled at 450～750 ℃, roasting time is controlled at 3～8 hours, is packaged as magnesia environment friendly acoustical absorption board finished product after cooling.
Magnesia compound foaming agent batching is comprised of following component by weight percentage: magnesia compound foaming agent paste 25～80%, hydrogen peroxide 2～35%, polyether modified silicon oil 0.001～5% and water 1～45%; The production method of magnesia compound foaming agent: will stir in magnesia compound foaming agent batching input homogenizer, the speed of mixer is controlled at 1400～1800 revs/min, mixing time is controlled at 2～30 minutes, after stirring, be magnesia compound foaming agent, in magnesia compound foaming agent, contain a large amount of stable intensive bubbles.
Magnesia compound foaming agent paste batching is comprised of following component by weight percentage: light magnesium oxide 15～55%, the concave convex rod potter's clay powder 5～35% with air purification function, DDAO 0.01～25%, cocounut oil acyl diethanol amine 0.01～20%, silicones polyethers emulsion 0.01～5% and water 5～55%; The production method of magnesia compound foaming agent paste: will stir in magnesia compound foaming agent paste batching input low-speed mixer, the speed of mixer is controlled at 600～800 revs/min, mixing time is controlled at 2～20 minutes, after stirring for magnesia compound foaming agent paste, generating portion bubble in magnesia compound foaming agent paste.
Magnesia compound foaming agent has been applied for patent of invention, China Patent Publication No.: CN 103274735A, open day: on 09 04th, 2013.
Built-in frame is a kind of rectangular steel structure frame, in built-in frame, 4～32 short steel pipes, 4～52 punching expanded metal laths and 2～42 reinforcing ribs, consists of; The upper plane of short steel pipes is processed as a kind of counter sink, between short steel pipes and short steel pipes, with punching expanded metal lath, be welded as a rectangular frame, punching expanded metal lath hole is circular opening, the horizontal center line overlaid at the horizontal center line at short steel pipes height 1/2 place and punching expanded metal lath width 1/2 place, the diagonal at height 1/2 place between short steel pipes and short steel pipes of take in rectangular frame is interface, with screw-thread steel, be welded as reinforcing rib, jointly form a built-in frame; In built-in frame, the plane of short steel pipes top counter sink consists of plane on built-in frame jointly, and short steel pipes lower flat consists of built-in frame lower plane jointly;
For the production of the separate case application of built-in frame of abatvoix utility model patent, number of patent application is: 201320579228.1, the applying date: on September 18th, 2013.
Mould is a kind of rectangular mould, a block length square floor, a rectangle locating slot, a rectangle frame, 2 rectangle handles and 4～32 cylindrical columns, consists of; Locating slot is welded on the upper plane of die bottom plate according to the position dimension of design, column is arranged on the upper plane of die bottom plate according to the relative position size of design, frame is placed in locating slot, 2 handles are arranged on respectively middle outside frame the right and left, and the lower plane of die bottom plate is placed on vibrations workbench;
For the production of the separate case application of mould of abatvoix utility model patent, number of patent application is: 201320575991.7, the applying date: on September 17th, 2013.
In magnesia environment friendly acoustical absorption plate, inlayed built-in frame, magnesia compound foaming agent solidifies a rear and integrated integral body of built-in frame formation, magnesia environment friendly acoustical absorption boards half-finished product, after roasting, has increased bulk strength, counter-bending ability and the practical effect of magnesia environment friendly acoustical absorption plate greatly.
At construction site, do not need boring, directly with cross recessed countersunk head tapping screw, magnesia environment friendly acoustical absorption plate is arranged on the metope of building, saving of work and time, can not cause the fragmentation from building wall of magnesia environment friendly acoustical absorption plate to come off yet.
It is evenly fine and smooth that magnesia compound foaming agent in magnesia environment friendly acoustical absorption plate has the abscess that foaming capacity is strong, coefficient of foaming is high, unit volume bubble production volume large, produce, foam adventitia good toughness is difficult for broken, foam stability is good, can be for a long time froth breaking not, to reduce product surface, produce invalid bubble, improve the make rate of abscess, the effect of the mould that prevents from collapsing.
Magnesia environment friendly acoustical absorption plate there will not be layering in casting process, and product stripping speed is fast, and finish is good, has further improved the later strength of product.
Magnesia compound foaming agent adopts the magnesia potter's clay powder with air purification function for being mainly raw material; there is good caking property, plasticity, thixotropy, refractoriness and heat stability; the effective hazardous substances such as formaldehyde, ammonia and benzene in absorbed air, protection of the environment and promote the healthy of people.
Magnesia environment friendly acoustical absorption plate not only has the effect that strengthens sound-absorbing and control noise pollution, the function that also has insulation, adsorbs and purify air.
Magnesia environment friendly acoustical absorption plate is applicable to be arranged in the facilities such as speedway, viaduct, urban light rail, subway, factory, warehouse, public place.
Accompanying drawing explanation
Fig. 1 is magnesia environment friendly acoustical absorption plate schematic diagram, Fig. 2 be the A-A of Fig. 1 to view, Fig. 3 is the schematic diagram of built-in frame while lying in cast in mould, Fig. 4 is arranged on the schematic diagram on building wall by magnesia environment friendly acoustical absorption plate.
As shown in the figure: the 1st, magnesia environment friendly acoustical absorption plate, the 2nd, built-in frame, the 3rd, magnesia compound foaming agent, the 4th, mould, the 5th, short steel pipes, the 6th, column, the 7th, cross recessed countersunk head tapping screw, the 8th, the metope of building.
The specific embodiment
Below in conjunction with embodiment, the invention will be further described:
Magnesia environment friendly acoustical absorption plate is a kind of rectangular plate-shaped body 1, built-in frame 2 and magnesia compound foaming agent 3, consists of, and is designed with 6 short steel pipes 5 in built-in frame 2; Built-in frame 2 is lain on mould 4, after short steel pipes 5 in built-in frame 2 inserts column 6, adopt magnesia compound foaming agent 3 to be cast in built-in frame 2 peripheries, built-in frame 2 is magnesia environment friendly acoustical absorption boards half-finished product after being embedded in the inside of magnesia compound foaming agent 3 completely; After the standing curing processing of 5 days, magnesia environment friendly acoustical absorption boards half-finished product is taken out from mould, be transported to roasting in tunnel cave, sintering temperature is controlled at 550～650 ℃, and roasting time is controlled at 5 hours, is packaged as magnesia environment friendly acoustical absorption board finished product after cooling.
Magnesia compound foaming agent batching is comprised of following component by weight percentage: magnesia compound foaming agent paste 64%, hydrogen peroxide 25.95%, polyether modified silicon oil 0.05% and water 10%; The production method of magnesia compound foaming agent: will stir in magnesia compound foaming agent batching input homogenizer, the speed of mixer is controlled at 1500～1600 revs/min, mixing time is controlled at 12 minutes, is magnesia compound foaming agent after stirring.
Magnesia compound foaming agent paste batching is comprised of following component by weight percentage: light magnesium oxide 28%, the concave convex rod potter's clay powder 26% with air purification function, DDAO 3%, cocounut oil acyl diethanol amine 2%, silicones polyethers emulsion 1% and water 40%; The production method of magnesia compound foaming agent paste: will stir in magnesia compound foaming agent paste batching input low-speed mixer, the speed of mixer is controlled at 650～750 revs/min, mixing time is controlled at 6 minutes, is magnesia compound foaming agent paste after stirring.
At construction site, directly with cross recessed countersunk head tapping screw 7, magnesia environment friendly acoustical absorption plate 1 is arranged on the metope 8 of building.
Claims (1)
1. a magnesia environment friendly acoustical absorption plate, is characterized in that, magnesia environment friendly acoustical absorption plate is a kind of rectangular plate-shaped body, built-in frame and magnesia compound foaming agent, consists of, and is designed with 4～32 short steel pipes in built-in frame; Built-in frame is lain on mould, after short steel pipes in built-in frame inserts column, adopt magnesia compound foaming agent to be cast in built-in frame periphery, built-in frame is magnesia environment friendly acoustical absorption boards half-finished product after being embedded in the inside of magnesia compound foaming agent completely; After the standing curing processing of 1～7 day, magnesia environment friendly acoustical absorption boards half-finished product is taken out from mould, be transported to roasting in tunnel cave, sintering temperature is controlled at 450～750 ℃, roasting time is controlled at 3～8 hours, is packaged as magnesia environment friendly acoustical absorption board finished product after cooling;
Described magnesia compound foaming agent batching is comprised of following component by weight percentage: magnesia compound foaming agent paste 25～80%, hydrogen peroxide 2～35%, polyether modified silicon oil 0.001～5% and water 1～45%; The production method of magnesia compound foaming agent: will stir in magnesia compound foaming agent batching input homogenizer, the speed of mixer is controlled at 1400～1800 revs/min, mixing time is controlled at 2～30 minutes, is magnesia compound foaming agent after stirring;
Described magnesia compound foaming agent paste batching is comprised of following component by weight percentage: light magnesium oxide 15～55%, the concave convex rod potter's clay powder 5～35% with air purification function, DDAO 0.01～25%, cocounut oil acyl diethanol amine 0.01～20%, silicones polyethers emulsion 0.01～5% and water 5～55%; The production method of magnesia compound foaming agent paste: will stir in magnesia compound foaming agent paste batching input low-speed mixer, the speed of mixer is controlled at 600～800 revs/min, mixing time is controlled at 2～20 minutes, is magnesia compound foaming agent paste after stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475267.1A CN103556733B (en) | 2013-10-13 | 2013-10-13 | Environment-friendlymagnesium magnesium oxide acoustic board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475267.1A CN103556733B (en) | 2013-10-13 | 2013-10-13 | Environment-friendlymagnesium magnesium oxide acoustic board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103556733A true CN103556733A (en) | 2014-02-05 |
| CN103556733B CN103556733B (en) | 2016-06-29 |
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ID=50011070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310475267.1A Active CN103556733B (en) | 2013-10-13 | 2013-10-13 | Environment-friendlymagnesium magnesium oxide acoustic board |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948009A (en) * | 1973-04-28 | 1976-04-06 | Bayer Aktiengesellschaft | Sound insulating wall made from composite rubber material |
| KR20050009558A (en) * | 2003-07-16 | 2005-01-25 | 최우석 | Multi-functional Lightweight Foam Composition for the Construction and Method for Preparing the Same |
| CN101603351B (en) * | 2009-06-29 | 2011-01-26 | 北京绿色长城系统工程有限公司 | Composite heat insulation wallboard and manufacturing method thereof |
| CN201952921U (en) * | 2011-01-10 | 2011-08-31 | 济南大学 | Lightweight red mud foaming wall panel |
| CN103274735A (en) * | 2013-06-12 | 2013-09-04 | 许庆华 | Compound type magnesium oxide foaming agent |
-
2013
- 2013-10-13 CN CN201310475267.1A patent/CN103556733B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948009A (en) * | 1973-04-28 | 1976-04-06 | Bayer Aktiengesellschaft | Sound insulating wall made from composite rubber material |
| KR20050009558A (en) * | 2003-07-16 | 2005-01-25 | 최우석 | Multi-functional Lightweight Foam Composition for the Construction and Method for Preparing the Same |
| CN101603351B (en) * | 2009-06-29 | 2011-01-26 | 北京绿色长城系统工程有限公司 | Composite heat insulation wallboard and manufacturing method thereof |
| CN201952921U (en) * | 2011-01-10 | 2011-08-31 | 济南大学 | Lightweight red mud foaming wall panel |
| CN103274735A (en) * | 2013-06-12 | 2013-09-04 | 许庆华 | Compound type magnesium oxide foaming agent |
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| Publication number | Publication date |
|---|---|
| CN103556733B (en) | 2016-06-29 |
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