CN103556735B - Environment-friendlyacoustic acoustic absorption gypsum board - Google Patents
Environment-friendlyacoustic acoustic absorption gypsum board Download PDFInfo
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- CN103556735B CN103556735B CN201310475269.0A CN201310475269A CN103556735B CN 103556735 B CN103556735 B CN 103556735B CN 201310475269 A CN201310475269 A CN 201310475269A CN 103556735 B CN103556735 B CN 103556735B
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- foaming agent
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- friendlyacoustic
- gypsum fibrosum
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 40
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 38
- 239000010440 gypsum Substances 0.000 title claims abstract description 38
- -1 Gypsum Fibrosum compound Chemical class 0.000 claims abstract description 53
- 239000004088 foaming agent Substances 0.000 claims abstract description 50
- 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
- 229910052625 palygorskite Inorganic materials 0.000 claims abstract description 14
- 229960000892 attapulgite Drugs 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 10
- 229920000570 polyether Polymers 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003921 oil Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 239000011265 semifinished product Substances 0.000 claims description 7
- 238000004887 air purification Methods 0.000 claims description 6
- 244000060011 Cocos nucifera Species 0.000 claims description 4
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- SYELZBGXAIXKHU-UHFFFAOYSA-N dodecyldimethylamine N-oxide Chemical compound CCCCCCCCCCCC[N+](C)(C)[O-] SYELZBGXAIXKHU-UHFFFAOYSA-N 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 10
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000005187 foaming Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000006260 foam 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
- 239000000725 suspension Substances 0.000 description 4
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 206010000269 abscess Diseases 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000126 substance Substances 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
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000001354 calcination Methods 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
- 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
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000005516 engineering process 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
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Abstract
The invention discloses a kind of environment-friendlyacoustic acoustic absorption gypsum board, its technical scheme is characterized by, built-in frame is lain on mould, after short steel pipes in built-in frame inserts column, Gypsum Fibrosum compound foaming agent is adopted to be cast in built-in frame periphery, built-in frame is embedded in the inside of compound foaming agent completely, after standing cured, roasting and cooling, is packaged as environment-friendlyacoustic acoustic absorption gypsum board finished product.Gypsum Fibrosum compound foaming agent is made up of raw materials such as gesso, attapulgite potter's clay powder and hydrogen peroxide；Gypsum Fibrosum compound foaming agent forms an integrated entirety with built-in frame after solidifying, add the bulk strength of environment-friendlyacoustic acoustic absorption gypsum board, bending resistance and practical effect, not only have and strengthen sound-absorbing and control the effect of sound pollution, also there is insulation, absorption and purify the function of air.Environment-friendlyacoustic acoustic absorption gypsum board is suitably mounted in the facilities such as highway, overpass, urban light rail, subway, factory, warehouse, public place.
Description
Technical field
The present invention relates to abatvoix, be specifically related to a kind of environment-friendlyacoustic acoustic absorption gypsum board.
Background technology
City noise drastically influence orthobiosis and the health of human body of urbanite, city noise is primarily referred to as traffic noise, factory noise, construction noise pollution and noise of social activities, its effect of noise scope and influence degree are day by day serious, on civic living environment impact greatly, one of noticeable city environmental pollution problem is become.
Generally adopting sound-absorbing material to produce the products such as some abatvoixs, soundproof wall, sound-absorbing net and deafener to control sound pollution, also having some sound-absorbing materials is produce the products such as abatvoix by foaming after being processed, to improve the performance of product.
Selling the abatvoix quality after foaming in the market more crisp, the bulk strength of abatvoix, bending resistance and result of use are undesirable；It is installed in the process on building wall at abatvoix, abatvoix needs the bolt hole that scene bores more than 4, not only time-consuming, increase difficulty of construction, and be easy to when boring and abatvoix is broken or shatter, after abatvoix is arranged on building wall, due to the effect of gravity, the abatvoix after boring can be caused to crush from building wall and to come off.
Summary of the invention
It is an object of the invention to overcome weak point in prior art, it is provided that a kind of environment-friendlyacoustic acoustic absorption gypsum board.
Environment-friendlyacoustic acoustic absorption gypsum board is made up of Gypsum Fibrosum compound foaming agent and built-in frame, built-in frame is lain on mould, after short steel pipes in built-in frame inserts column, Gypsum Fibrosum compound foaming agent is adopted to be cast in built-in frame periphery, built-in frame is embedded in the inside of compound foaming agent completely, after standing cured, roasting and cooling, it is packaged as environment-friendlyacoustic acoustic absorption gypsum board finished product.
Natural dihydrate gypsum is also called Gypsum Fibrosum, through calcining, levigate obtains gesso；The microcellular structure of Gypsum Fibrosum and goods thereof and thermal dehydration, so as to have excellent sound insulation, heat insulation and fire protecting performance, gesso is the conventional products of building materials industry.
The attapulgite potter's clay powder with air purification function is made up of highly viscous attapulgite clay, attapulite constant humidity amendment, natural-minerals adsorptive filter medium, Cacumen Platycladi, aluminium silicate fiber peacekeeping polyacrylamide; there is good caking property, plasticity, thixotropy, fire resistance and heat stability; can the harmful substance such as formaldehyde, ammonia and benzene in effective absorbed air, protection environment and promote the healthy of people.
Highly viscous attapulgite clay is the attapulgite clay that the processing technique adopting and improving viscosity of attapulgite clay produces, 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 absorption is strong, tool viscosity and plasticity time wet, its viscosity can reach more than 3000mPa s, is conducive to the bonding between raw material.
Highly viscous attapulgite clay powder refers to and takes 28.0g attapulgite clay powder sample, add in the suspension cup of homogenizer, add 372g water, suspension cup is placed on homogenizer, stir 20 minutes under the rotating speed of 11000 revs/min, in the beaker pouring 250mL through high-speed stirred sample suspension into, the viscosity of NDJ-1 type rotating cylinder viscometer test suspension, tested viscosity value >=2200 will be used againmPa·sAttapulgite clay powder.
Hydrogen peroxide is commonly called as hydrogen peroxide, outward appearance is colourless transparent liquid, being a kind of strong oxidizer, the present invention selects mass fraction >=35% of industrial hydrogen peroxide, can generate substantial amounts of bubble after mixing with the dispensing such as gesso and the attapulgite potter's clay powder with air purification function.
Dimethyl dodecyl amine oxide is a kind of amphoteric surfactant, colourless transparent liquid, for weak cation surfactant, in cationic in acid medium, in nonionic in alkaline medium, there is good thickening, antistatic, softness, foam enhancing and detergency ability, foaming abundancy and stablize, character gentleness zest is low, has excellent antistatic behaviour and flexibility.
Cocos nucifera oil acyl diethanolamine is dissolved in water, has excellent decontamination, emulsifying, foaming, steady bubble, dispersion, solubilising power.
Silicones polyethers emulsion is a kind of novel high polymer foam stabilizer, put in order by changing intramolecule, make arrangement between surfactant bubble and bubble closely neat, thus forming the inner layer film of densification, make anti-pressure ability particularly strong, it is possible to 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, thus reaching especially desirable steady bubble effect.
Polyether modified silicon oil is the organosilicon nonionic surfactant adopting polyethers with a kind of unique properties of dimethyl siloxane graft copolymerization, can reduce the internal friction of its molecule, stress for the present invention, thus playing the effect of levelling, froth breaking.
The technical scheme is that:
Environment-friendlyacoustic acoustic absorption gypsum board is a kind of rectangular plate-shaped body, is made up of built-in frame and Gypsum Fibrosum compound foaming agent, and in built-in frame, design has 4～32 short steel pipes, and the endoporus of short steel pipes is the installing hole of environment-friendlyacoustic acoustic absorption gypsum board；Being lain in by built-in frame on mould, after the short steel pipes in built-in frame inserts column, adopt Gypsum Fibrosum compound foaming agent to be cast in built-in frame periphery, built-in frame is environment-friendlyacoustic acoustic absorption gypsum board semi-finished product after being embedded in the inside of Gypsum Fibrosum compound foaming agent completely；After the standing cured of 1～7 day, being removed from the molds by environment-friendlyacoustic acoustic absorption gypsum board semi-finished product, be transported in tunnel cave roasting, sintering temperature controls at 450～750 DEG C, and roasting time controls, at 3～8 hours, to be packaged as environment-friendlyacoustic acoustic absorption gypsum board finished product after cooling.
Gypsum Fibrosum compound foaming agent dispensing is made up of following component by weight percentage: Gypsum Fibrosum 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 Gypsum Fibrosum compound foaming agent: Gypsum Fibrosum compound foaming agent dispensing is inputted in homogenizer and is stirred, the speed controlling of blender is at 1400～1800 revs/min, mixing time controls at 2～30 minutes, for Gypsum Fibrosum compound foaming agent after stirring, containing intensive bubble stable in a large number in Gypsum Fibrosum compound foaming agent.
Gypsum Fibrosum compound foaming agent paste dispensing is made up of following component by weight percentage: gesso 15～55%, have the attapulgite potter's clay powder 5～35% of air purification function, dimethyl dodecyl amine oxide 0.01～25%, cocos nucifera oil acyl diethanolamine 0.01～20%, silicones polyethers emulsion 0.01～5% and water 5～55%；The production method of Gypsum Fibrosum compound foaming agent paste: Gypsum Fibrosum compound foaming agent paste dispensing is inputted stirring in low-speed mixer, the speed controlling of blender is at 600～800 revs/min, mixing time controls at 2～20 minutes, for Gypsum Fibrosum compound foaming agent paste after stirring, generating section bubble in Gypsum Fibrosum compound foaming agent paste.
Gypsum Fibrosum compound foaming agent has applied for patent of invention, China Patent Publication No.: CN103274733A, publication date: on 09 04th, 2013.
Built-in frame is a kind of rectangular steel structure frame, is made up of 4～32 short steel pipes, 4～52 pieces of punching expanded metal laths and 2～42 reinforcements in built-in frame；The upper plane of short steel pipes is processed as a kind of counter sink, it is welded as a rectangular frame with punching expanded metal lath between short steel pipes and short steel pipes, punching expanded metal lath hole is circular opening, the horizontal center line at the horizontal center line at short steel pipes height 1/2 place and punching expanded metal lath width 1/2 place overlaps, with the diagonal at height 1/2 place between short steel pipes and short steel pipes for interface in rectangular frame, it is welded as reinforcement with screw-thread steel, collectively constitutes a built-in frame；In built-in frame, the plane of short steel pipes top counter sink collectively constitutes as plane on built-in frame, and short steel pipes lower flat collectively constitutes as built-in frame lower plane；
For producing the built-in frame separate case application of abatvoix utility model patent, number of patent application is: 201320579228.1, the applying date: on JIUYUE 18th, 2013.
Mould is a kind of rectangular mould, is made up of a block length square floor, a rectangle locating slot, a rectangle frame, 2 rectangle handles and 4～32 cylindrical columns；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 separately mounted to middle outside frame the right and left, and the lower plane of die bottom plate is placed on vibrations workbench；
For producing the mould separate case application of abatvoix utility model patent, number of patent application is: 201320575991.7, the applying date: on JIUYUE 17th, 2013.
Built-in frame has been inlayed in environment-friendlyacoustic acoustic absorption gypsum board, Gypsum Fibrosum compound foaming agent forms an integrated entirety with built-in frame after solidifying, environment-friendlyacoustic acoustic absorption gypsum board semi-finished product, after roasting, considerably increase the bulk strength of environment-friendlyacoustic acoustic absorption gypsum board, bending resistance and practical effect.
At construction site, it is not necessary to boring, directly with cross recessed countersunk head tapping screw, environment-friendlyacoustic acoustic absorption gypsum board is arranged on the metope of building, saving of work and time, come off from broken building wall without causing environment-friendlyacoustic acoustic absorption gypsum board.
It is fine and smooth uniformly that Gypsum Fibrosum compound foaming agent in environment-friendlyacoustic acoustic absorption gypsum board has the abscess that foaming capacity is strong, coefficient of foaming is high, unit volume bubble production volume big, produce, foam adventitia good toughness is not broken, foam stability is good, can not froth breaking for a long time, the bubble invalid to reduce product surface generation, improve the make rate of abscess, it is prevented that the effect of the mould that collapses.
Environment-friendlyacoustic acoustic absorption gypsum board does not have layering in casting process, and product stripping speed is fast, and surface smoothness is good, further increases the later strength of product.
Gypsum Fibrosum compound foaming agent adopts the Gypsum Fibrosum potter's clay powder with air purification function to be mainly raw material; there is good caking property, plasticity, thixotropy, fire resistance and heat stability; can the harmful substance such as formaldehyde, ammonia and benzene in effective absorbed air, protection environment and promote the healthy of people.
Environment-friendlyacoustic acoustic absorption gypsum board not only has the effect strengthening sound-absorbing and control sound pollution, also has insulation, absorption and purifies the function of air.
Environment-friendlyacoustic acoustic absorption gypsum board is suitably mounted in the facilities such as highway, overpass, urban light rail, subway, factory, warehouse, public place.
Accompanying drawing explanation
Fig. 1 is environment-friendlyacoustic acoustic absorption gypsum board schematic diagram, and Fig. 2 is the A-A direction view of Fig. 1, and Fig. 3 is the schematic diagram that built-in frame lies in when pouring into a mould in mould, and Fig. 4 is the schematic diagram being arranged on building wall by environment-friendlyacoustic acoustic absorption gypsum board.
As shown in the figure: 1 is environment-friendlyacoustic acoustic absorption gypsum board, 2 is built-in frame, and 3 is Gypsum Fibrosum compound foaming agent, and 4 is mould, and 5 is short steel pipes, and 6 is column, and 7 is cross recessed countersunk head tapping screw, and 8 is the metope of building.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Environment-friendlyacoustic acoustic absorption gypsum board is a kind of rectangular plate-shaped body 1, is made up of built-in frame 2 and Gypsum Fibrosum compound foaming agent 3, and in built-in frame 2, design has 6 short steel pipes 5；Built-in frame 2 is lain on mould 4, after short steel pipes 5 in built-in frame 2 inserts column 6, adopting Gypsum Fibrosum compound foaming agent 3 to be cast in built-in frame 2 peripheral, built-in frame 2 is environment-friendlyacoustic acoustic absorption gypsum board semi-finished product after being embedded in the inside of Gypsum Fibrosum compound foaming agent 3 completely；After the standing cured of 4 days, being removed from the molds by environment-friendlyacoustic acoustic absorption gypsum board semi-finished product, be transported in tunnel cave roasting, sintering temperature controls at 550～650 DEG C, and roasting time controls, at 4 hours, to be packaged as environment-friendlyacoustic acoustic absorption gypsum board finished product after cooling.
Gypsum Fibrosum compound foaming agent dispensing is made up of following component by weight percentage: Gypsum Fibrosum compound foaming agent paste 70%, hydrogen peroxide 21.95%, polyether modified silicon oil 0.05% and water 8%；The production method of Gypsum Fibrosum compound foaming agent: Gypsum Fibrosum compound foaming agent dispensing being inputted in homogenizer and be stirred, the speed controlling of blender is at 1500～1600 revs/min, and mixing time controls at 4 minutes, for Gypsum Fibrosum compound foaming agent after stirring.
Gypsum Fibrosum compound foaming agent paste dispensing is made up of following component by weight percentage: gesso 26%, have the attapulgite potter's clay powder 24% of air purification function, dimethyl dodecyl amine oxide 3%, cocos nucifera oil acyl diethanolamine 2%, silicones polyethers emulsion 1% and water 44%；The production method of Gypsum Fibrosum compound foaming agent paste: Gypsum Fibrosum compound foaming agent paste dispensing is inputted stirring in low-speed mixer, the speed controlling of blender is at 650～750 revs/min, mixing time controls at 5 minutes, for Gypsum Fibrosum compound foaming agent paste after stirring.
At construction site, directly with cross recessed countersunk head tapping screw 7, environment-friendlyacoustic acoustic absorption gypsum board 1 is arranged on the metope 8 of building.
Claims (1)
1. an environment-friendlyacoustic acoustic absorption gypsum board, it is characterised in that environment-friendlyacoustic acoustic absorption gypsum board is a kind of rectangular plate-shaped body, is made up of built-in frame and Gypsum Fibrosum compound foaming agent, in built-in frame, design has 4～32 short steel pipes；Being lain in by built-in frame on mould, after the short steel pipes in built-in frame inserts column, adopt Gypsum Fibrosum compound foaming agent to be cast in built-in frame periphery, built-in frame is environment-friendlyacoustic acoustic absorption gypsum board semi-finished product after being embedded in the inside of Gypsum Fibrosum compound foaming agent completely；After the standing cured of 1～7 day, being removed from the molds by environment-friendlyacoustic acoustic absorption gypsum board semi-finished product, be transported in tunnel cave roasting, sintering temperature controls at 450～750 DEG C, and roasting time controls, at 3～8 hours, to be packaged as environment-friendlyacoustic acoustic absorption gypsum board finished product after cooling；
Described Gypsum Fibrosum compound foaming agent dispensing is made up of following component by weight percentage: Gypsum Fibrosum 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 Gypsum Fibrosum compound foaming agent: Gypsum Fibrosum compound foaming agent dispensing is inputted in homogenizer and is stirred, the speed controlling of blender is at 1400～1800 revs/min, mixing time controls at 2～30 minutes, for Gypsum Fibrosum compound foaming agent after stirring；
Described Gypsum Fibrosum compound foaming agent paste dispensing is made up of following component by weight percentage: gesso 15～55%, have the attapulgite potter's clay powder 5～35% of air purification function, dimethyl dodecyl amine oxide 0.01～25%, cocos nucifera oil acyl diethanolamine 0.01～20%, silicones polyethers emulsion 0.01～5% and water 5～55%；The production method of Gypsum Fibrosum compound foaming agent paste: Gypsum Fibrosum compound foaming agent paste dispensing is inputted stirring in low-speed mixer, the speed controlling of blender is at 600～800 revs/min, mixing time controls at 2～20 minutes, for Gypsum Fibrosum compound foaming agent paste after stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475269.0A CN103556735B (en) | 2013-10-13 | 2013-10-13 | Environment-friendlyacoustic acoustic absorption gypsum board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310475269.0A CN103556735B (en) | 2013-10-13 | 2013-10-13 | Environment-friendlyacoustic acoustic absorption gypsum board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103556735A CN103556735A (en) | 2014-02-05 |
| CN103556735B true CN103556735B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310475269.0A Active CN103556735B (en) | 2013-10-13 | 2013-10-13 | Environment-friendlyacoustic acoustic absorption gypsum board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB201420770D0 (en) * | 2014-11-21 | 2015-01-07 | Bpb United Kingdom Ltd | Fire resistant calcium sulphate-based products |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648810A (en) * | 1992-07-31 | 1994-02-22 | Yoshiyuki Ogushi | Production of sound absorbing board |
| CN201952921U (en) * | 2011-01-10 | 2011-08-31 | 济南大学 | Lightweight red mud foaming wall panel |
| CN103265319A (en) * | 2013-06-07 | 2013-08-28 | 许盛英 | Gypsum inflaming retarding foaming agent |
| CN103274733A (en) * | 2013-06-12 | 2013-09-04 | 许庆华 | Gypsum compound type foaming agent |
| CN103274725A (en) * | 2013-06-12 | 2013-09-04 | 许庆华 | Gypsum compound type flame-retardant foaming agent |
-
2013
- 2013-10-13 CN CN201310475269.0A patent/CN103556735B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648810A (en) * | 1992-07-31 | 1994-02-22 | Yoshiyuki Ogushi | Production of sound absorbing board |
| CN201952921U (en) * | 2011-01-10 | 2011-08-31 | 济南大学 | Lightweight red mud foaming wall panel |
| CN103265319A (en) * | 2013-06-07 | 2013-08-28 | 许盛英 | Gypsum inflaming retarding foaming agent |
| CN103274733A (en) * | 2013-06-12 | 2013-09-04 | 许庆华 | Gypsum compound type foaming agent |
| CN103274725A (en) * | 2013-06-12 | 2013-09-04 | 许庆华 | Gypsum compound type flame-retardant foaming agent |
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|---|---|
| CN103556735A (en) | 2014-02-05 |
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