CN1324087C - Nano lightweight composite wall plates made from stalk - Google Patents
Nano lightweight composite wall plates made from stalk Download PDFInfo
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- CN1324087C CN1324087C CNB2004100311399A CN200410031139A CN1324087C CN 1324087 C CN1324087 C CN 1324087C CN B2004100311399 A CNB2004100311399 A CN B2004100311399A CN 200410031139 A CN200410031139 A CN 200410031139A CN 1324087 C CN1324087 C CN 1324087C
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- China
- Prior art keywords
- nanometer
- straw
- light composite
- wallboard
- composite wallboard
- 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.)
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- 239000002131 composite material Substances 0.000 title claims abstract 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract 7
- 239000000843 powder Substances 0.000 claims abstract 7
- 239000000395 magnesium oxide Substances 0.000 claims abstract 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract 4
- 239000000835 fiber Substances 0.000 claims abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 3
- 229920001807 Urea-formaldehyde Polymers 0.000 claims abstract 2
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims abstract 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims abstract 2
- 239000010902 straw Substances 0.000 claims 11
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims 3
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims 2
- 239000004793 Polystyrene Substances 0.000 claims 1
- FYHXNYLLNIKZMR-UHFFFAOYSA-N calcium;carbonic acid Chemical compound [Ca].OC(O)=O FYHXNYLLNIKZMR-UHFFFAOYSA-N 0.000 claims 1
- IQYKECCCHDLEPX-UHFFFAOYSA-N chloro hypochlorite;magnesium Chemical compound [Mg].ClOCl IQYKECCCHDLEPX-UHFFFAOYSA-N 0.000 claims 1
- 239000011152 fibreglass Substances 0.000 claims 1
- 239000003365 glass fiber Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 229920002223 polystyrene Polymers 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000032683 aging Effects 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000004927 clay Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000002341 toxic gas Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
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- Finishing Walls (AREA)
- Panels For Use In Building Construction (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a nano lightweight composite wallboard made from stalks. The present invention has the following weight mixing ratio: (1) 30% to 35% of stalk powder, (2) 2% to 4% of fibre, (3) 25% to 39% of magnesia, (4) 0.5% to 1% of nano gas cleaning substance, (5) 5% to 8% of calcium carbonate, (6) 1% to 2% of urea formaldehyde resin, (7) 5% to 15% of magnesium chloride, and (8) 10% to 20% of water. The present invention solves the technical problems of unstable wallboard properties, hygroscopicity, warping, aging, high water absorption ratio, and damage of harmful toxic gas to human bodies. The present invention has the advantages of wide and rich material sources, no clay, economized farmland, saving energy, comprehensive resource utilization, solved waste utilization of the agriculture stalks, and reduced environment pollution caused by carbon dioxide generated from incinerating stalks.
Description
Technical field
The present invention relates to a kind of building slab, particularly a kind of sheet material of making of straw.
Background technology
China is large agricultural country, and more than 800,000,000 ton of agriculture waste straw arranged every year, and is annual because of the more than one hundred million tons of discharged in burning carbonic acid gas, causes serious environmental to pollute.China's magnesite resource ranks first in the world, and reserves reach 2,600,000,000 tons, but owing to have the magnesite product unstable properties now, is not used in a large number at present.Simultaneously, China is again the arable land country that falls sharply, a large amount of plough to be destroyed makes clay brick, clay brick is prohibited by the most of area of China.
The existing sheet material of making of straw is filler with the straw particle, is that heat 80-150 ℃, pressurization 2-15Mpa molded curing of binding agent forms with the resin.Since above-mentioned board materials production processing conditions complexity, existing a kind of wallboard that utilizes straw to make at normal temperature, normal pressure compacted under, and it is made by following composition, straw, magnesia unslacked, bittern, properties-correcting agent, glass fibre, toughener.Though solved the problem that normal temperature, normal pressure are produced straw sheet material, also had following problem not to be resolved: 1, the wallboard unstable properties, return the halogen problem; 2, the warpage issues of plate; 3, anti-aging problem; 4, the high stable problem of plate body that influences of water-intake rate; 5, harmful insulting problem of poison gas.
Summary of the invention
The purpose of this invention is to provide a kind of nanometer straw light composite wallboard, solve the wallboard unstable properties, return halogen, warpage, anti-aging, water-intake rate is high and the insulting technical problem of harmful poison gas.
Technical scheme of the present invention: this nanometer straw light composite wallboard is characterized in that mixing ratio by weight is:
(1), straw powder: 30%～35%;
(2), fiber: 2%～4%;
(3), magnesium oxide: 25%～39%;
(4), nanometer Jieqibao: 0.5%～1%;
(5), lime carbonate: 5%～8%;
(6), urea-formaldehyde resin: 1%～2%;
(7), magnesium chloride: 5%～15%;
(8), water: 10%～20%.
Above-mentioned straw powder is crop stalk powder or crop stalk powder and wood shavings.
Above-mentioned fiber be interior folder woven fiber glass or in mix staple glass fibre.
Above-mentioned magnesium oxide is industrial magnesium oxide powder, magnesium oxychloride or magnesia.
Above-mentioned lime carbonate is industrial carbonic acid calcium powder or nm-class active calcium carbonate.
In the above-mentioned wallboard cavity is arranged, accompany the polystyrene foamed plastics central layer in the cavity.
There is tongue and groove the both sides of above-mentioned wallboard.
The cavity wall thickness of above-mentioned wallboard is 2-4 centimetre.
The length of above-mentioned wallboard is 200-350 centimetre, and width is 50-90 centimetre.
Nanometer straw light composite wallboard of the present invention has following beneficial effect:
One, the present invention adds straw powder, wood shavings or other vegetable fibre, with the agricultural wastes comprehensive utilization, solves the problem of environmental protection utilization of waste material.And can reduce the wallboard cost, reduce wallboard weight.
Two, the present invention adds magnesium oxychloride, also claims caustic magnesia or magnesia, and also available magnesium oxide is replaced, and can absorb moisture and carbonic acid gas gradually from air, has activity, can be fixed with the water effect, solve the high problem of water-intake rate.Characteristics be do not burn, wear resistance is good, heat insulation, sound insulation, easy to process, easy nail, easy saw.
Three, the present invention adds glasscloth, staple glass fibre.Glass fibre is pulled into by melten glass or blows out, and diameter is several microns not to be waited to tens microns, and intensity is very high, and good thermotolerance, erosion resistance, heat insulating ability, sound absorbing and electrical insulating property, anti-drawing property are arranged, can dispersing and mixing, also can be clipped in the plate body.
Four, add the polystyrene foam plate in the present invention, improved heat insulation, the sound insulation, shockproof, water-fast, acidproof of wallboard, characteristic such as alkaline-resisting.Melt temperature is 150～180 ℃, and 300 ℃ of heat decomposition temperatures can be dissolved in aromatic hydrocarbon, hydrochloric ether and ketone (removing acetone) and ester class.Anti-many mineral substance, organic acid, alkali, salt, lower alcohol and the aqueous solution thereof.
Five, the present invention adds magnesium chloride, and white deliquescent monoclinic crystal has bitter saline taste, density 1.56, and 118 ℃ of molten points decompose simultaneously, and compatibility is fine.Have resistance to oxidation, heat-resisting, chemicals-resistant, insulation and non-combustible characteristic after magnesium chloride solution and magnesium oxychloride or magnesium oxide or magnesia mix, have strengthened the density and the intensity of wallboard greatly, have solved wallboard unstable properties and aging-resistant problem.
Six, the present invention adds the nanometer treated carbonates, the obnoxious flavour of air had decompose efficiently and the elimination effect, and can reduce and decompose ultraviolet radiation, anti-aging enhancing has the performance that purifies air, density that can reinforcement plate, its wallboard firmly is combined into one, and non-scale does not peel off, and stops the intrusion of outside moisture, performance with breathing has solved wallboard unstable properties and the problem of returning halogen.
Seven, the present invention adds the nanometer Jieqibao, because of various tackiness agents, all will give out various obnoxious flavoures in the starting material.Therefore, all unavoidably there are obnoxious flavoures such as formaldehyde, benzene, dimethylbenzene and oxynitride in modern family housing and office, and these gases are just as invisible killer, add the nanometer Jieqibao, under the effect of light, can be with airborne obnoxious flavour, for example formaldehyde, benzene etc. resolve into innocuous gas, and make in family housing and the office and to produce active oxygen, our usual negative ion just makes that you enjoy totally, ozone, solves the problem that toxic gas is poisoned human body.
Eight, the present invention adds urea-formaldehyde resin, increases flame retardant resistance and intensity, improves water-repellancy, reduces be full of cracks warpage, hardness height, and anti-mildew, photostabilization are good.
The present invention is a kind of novel environment friendly materials for wall, and the wallboard of making has following characteristics:
1, used starting material wide material sources, abundant, without clay, save and plough, save energy, comprehensive utilization of resources, effectively utilize China's existing resource advantage, promote magnesite exploitation and deep processing industry development, the utilization of waste material that solves agriculture straw reduces and burns the environmental pollution that carbonic acid gas caused that straw produces.China's Tenth Five-year plan spells out: must greatly develop have high-strength, lightweight, energy-conservation, joint soil, sharp useless, environmental protection and multi-functional new composite materials for wall.House is the most inseparable with the mankind, belongs to long-term durable consumer goods, also is human most expensive, maximum product.This starting material source of producing materials for wall of will seeking survival must enrich, extensively.With agricultural wastes (stalk powder, vegetable fibre powder or sawdust) is main raw material, has both belonged to utilization of waste material, has reduced pollution again; Adopting magnesia cement simultaneously is gelling material, and two kinds of starting material sources are all abundant and extensive.A Light trabs factory that produces 1000000 square metres per year just can replace more than one hundred million solid clay bricks in 1 year, saved thousands of mus of ploughing, and met national materials for wall innovation industry policy.
2, wallboard weight is lighter: calculate by the Northeast's 50 cm thick bodies of wall, every square metre of body of wall is heavy only be the clay tile wall body weight 1/163, body of wall is thinner: calculate by the Northeast's 50 cm thick bodies of wall, compare with brick mix structure, can increase usable floor area 10～15%, help improving construction quality.
4, easier installation: take the device of shifting block type aggregate erection, wet trade is few, and is efficient and convenient, can increase work efficiency 2～4 times, and tool can be followed closely, can bore, can dig, the premium properties characteristics of Pasting.
5, intensity is higher, more anti-aging: freeze-thaw cycle does not have any variation 80 times, the plate body good stability.
6, energy-conservation higher: comparing with clay brick can save energy more than 60%.
7, water resistance is stronger: water-intake rate is 3.3%～4.5% only, does not have anti-halogen, warping phenomenon.
8, fire resistance reaches national A grade standard, and flame retardant properties is good.
9, nontoxic, harmless, pollution-free, radiationless, belong to the environmental type building materials.
10, have antibiotic, sterilization, mildew-resistant, deodorizing, heat insulation, glow, fire prevention, temperature adjustment, demagnetization, the anti-multiple function of ray.
Technical indicator of the present invention is as follows:
| 1 | Veneer is heavy (kg) on average | About 70 | Standard-required≤100 |
| 2 | Area density (kg/m 2) | 37.7-70 | Reach standard-required |
| 3 | Drying shrinkage value (mm/m) | 0.24-0.27 | Standard-required≤0.8 |
| 4 | Air oise insulation factor (dB) | 36-41 | Standard-required 〉=30 |
| 5 | The bending resistance failing load | 1.81-1.92 | Standard-required 〉=plate is conducted oneself with dignity 1.2 times |
| 6 | Water-intake rate % | 3.3-3 | 24h |
| 7 | Ultimate compression strength (Mpa) | 33.3 | |
| 8 | Thermal resistance (m 2.K/W) | 2.8 | Standard-required 〉=1.1 |
| 9 | Anti-tension weight churning intensity (J) | 8 | Standard-required 〉=3 |
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment
Nanometer straw light composite wallboard main raw material(s) mixing ratio by weight embodiment:
| Raw material (%) | Embodiment 1 | Embodiment 2 | Embodiment 3 | | Embodiment 5 | Embodiment 6 |
| The straw powder | 35 | 34 | 33 | 32 | 30 | 30 |
| Staple glass fibre | 2 | 4 | 2 | 3 | 2 | 2 |
| The magnesite breeze | 30.5 | 35.4 | 31.3 | 33.2 | 36.1 | 39 |
| The nanometer Jieqibao | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1 |
| Nm-class active calcium carbonate | 8 | 5 | 7 | 6 | 5 | 5 |
| Urea-formaldehyde resin | 1 | 1 | 1 | 2 | 1 | 2 |
| Magnesium chloride | 9 | 10 | 12 | 8 | 15 | 10 |
| Water | 14 | 10 | 13 | 15 | 10 | 11 |
Protect straw light composite wallboard main raw material(s) mixing ratio by weight embodiment:
| Raw material (%) | Embodiment 1 | Embodiment 2 | Embodiment 3 | | Embodiment 5 | Embodiment 6 |
| Straw powder and wood shavings | 35 | 34 | 33 | 32 | 31 | 30 |
| Cloth | 2 | 4 | 3 | 2 | 2 | 2 |
| Magnesium oxide | 30 | 31.4 | 27.3 | 33.2 | 28.1 | 25 |
| The nanometer Jieqibao | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1 |
| Technical calcium carbonate | 7.5 | 8 | 7 | 6 | 5 | 5 |
| Urea-formaldehyde resin | 2 | 1 | 1 | 2 | 1 | 1 |
| Magnesium chloride | 5 | 6 | 11 | 7 | 13 | 15 |
| Water | 18 | 15 | 17 | 17 | 19 | 19 |
Above-mentioned nanometer Jieqibao and nm-class active calcium carbonate can select Chinese Academy of Sciences's chemical industry gently to change the clean board product of receiving of Research Institute, also can select other like product.
Structure of wall and shape can design as required, embodiment is referring to Fig. 1,2, wrap up glasscloth 2 around in the wallboard surface layer 1, can leave cavity 4 in the wallboard, accompany thickness in the cavity and be 5 centimetres polystyrene foamed plastics central layer, for easy to connect, the both sides of wallboard are provided with concavo-convex tongue and groove 3, and the cavity wall thickness of wallboard can be 2-4 centimetre, and the length of wallboard is 200-350 centimetre, width is 50-90 centimetre, and concrete size determines according to requirement of engineering.
Claims (9)
1, a kind of nanometer straw light composite wallboard is characterized in that mixing ratio by weight is:
(1), straw powder: 30%～35%;
(2), fiber: 2%～4%;
(3), magnesium oxide: 25%～39%;
(4), nanometer Jieqibao: 0.5%～1%;
(5), lime carbonate: 5%～8%;
(6), urea-formaldehyde resin: 1%～2%;
(7), magnesium chloride: 5%～15%;
(8), water: 10%～20%.
2, nanometer straw light composite wallboard according to claim 1 is characterized in that: described straw powder is crop stalk powder or crop stalk powder and wood shavings.
3, nanometer straw light composite wallboard according to claim 1 is characterized in that: described fiber be interior folder woven fiber glass or in mix staple glass fibre.
4, nanometer straw light composite wallboard according to claim 1, it is characterized in that: described magnesium oxide is industrial magnesium oxide powder, magnesium oxychloride or magnesia.
5, nanometer straw light composite wallboard according to claim 1, it is characterized in that: described lime carbonate is industrial carbonic acid calcium powder or nm-class active calcium carbonate.
6, nanometer straw light composite wallboard according to claim 1 is characterized in that: in the described wallboard cavity is arranged, accompany the polystyrene foamed plastics central layer in the cavity.
7, nanometer straw light composite wallboard according to claim 1, it is characterized in that: there is tongue and groove the both sides of described wallboard.
8, nanometer straw light composite wallboard according to claim 6, it is characterized in that: the cavity wall thickness of described wallboard is 2-4 centimetre.
9, nanometer straw light composite wallboard according to claim 1, it is characterized in that: the length of described wallboard is 200-350 centimetre, width is 50-90 centimetre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100311399A CN1324087C (en) | 2004-04-13 | 2004-04-13 | Nano lightweight composite wall plates made from stalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100311399A CN1324087C (en) | 2004-04-13 | 2004-04-13 | Nano lightweight composite wall plates made from stalk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1563198A CN1563198A (en) | 2005-01-12 |
| CN1324087C true CN1324087C (en) | 2007-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100311399A Expired - Fee Related CN1324087C (en) | 2004-04-13 | 2004-04-13 | Nano lightweight composite wall plates made from stalk |
Country Status (1)
| Country | Link |
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| CN (1) | CN1324087C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100358829C (en) * | 2005-11-09 | 2008-01-02 | 张维善 | Silicon magnesium fibre energy saving high strengthening composite building board of decoration and preparation process thereof |
| CN103406976A (en) * | 2013-05-28 | 2013-11-27 | 常熟市金亿复合材料有限公司 | Method for manufacturing fiber cement board |
| CN104863044A (en) * | 2015-06-12 | 2015-08-26 | 周兴和 | Integral bridge and bridge material |
| CN105038282A (en) * | 2015-07-22 | 2015-11-11 | 合肥忠豪新材料有限公司 | Environment-friendly fire-retardant panel and manufacturing technology thereof |
| CN105541278A (en) * | 2015-12-29 | 2016-05-04 | 东莞市青麦田数码科技有限公司 | Nutshell light-weight wallboard and preparation method thereof |
| CN106675066A (en) * | 2016-12-28 | 2017-05-17 | 成都瑞吉星化工有限责任公司 | Environment-friendly flame-retardant straw-based plate for buildings and preparation method of environment-friendly flame-retardant straw-based plate |
| CN109025054A (en) * | 2018-07-30 | 2018-12-18 | 刘婷婷 | Multi-functional fast spelling formula environmental-protection fireproof wall and Recipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1341507A (en) * | 2001-08-21 | 2002-03-27 | 黄华大 | Partition panel made of straw and its preparation method |
| CN1362563A (en) * | 2002-01-26 | 2002-08-07 | 范广俭 | Heat-insulating light sandwich wall board |
| CN1439267A (en) * | 2002-12-11 | 2003-09-03 | 山西至诚科技有限公司 | Nanometer optical catalyst bactericidal composition and preparation thereof |
| CN1441946A (en) * | 2000-06-07 | 2003-09-10 | 昭和电工株式会社 | Self-cleaning transparent sound barrier and process for producing same |
| CN1456528A (en) * | 2003-05-17 | 2003-11-19 | 揭建刚 | Light internal and externall wallboards |
-
2004
- 2004-04-13 CN CNB2004100311399A patent/CN1324087C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1441946A (en) * | 2000-06-07 | 2003-09-10 | 昭和电工株式会社 | Self-cleaning transparent sound barrier and process for producing same |
| CN1341507A (en) * | 2001-08-21 | 2002-03-27 | 黄华大 | Partition panel made of straw and its preparation method |
| CN1362563A (en) * | 2002-01-26 | 2002-08-07 | 范广俭 | Heat-insulating light sandwich wall board |
| CN1439267A (en) * | 2002-12-11 | 2003-09-03 | 山西至诚科技有限公司 | Nanometer optical catalyst bactericidal composition and preparation thereof |
| CN1456528A (en) * | 2003-05-17 | 2003-11-19 | 揭建刚 | Light internal and externall wallboards |
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| CN1563198A (en) | 2005-01-12 |
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