CN1066018A - The preparation method of composite annual fiber cement panel - Google Patents
The preparation method of composite annual fiber cement panel Download PDFInfo
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- CN1066018A CN1066018A CN92104363A CN92104363A CN1066018A CN 1066018 A CN1066018 A CN 1066018A CN 92104363 A CN92104363 A CN 92104363A CN 92104363 A CN92104363 A CN 92104363A CN 1066018 A CN1066018 A CN 1066018A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The preparation method of composite annual fiber cement panel, with vegetable fibre particularly annual fiber be strongthener, be binding agent with cement, by the parcel of vegetable fibre is handled, overcome the anticoagulation of wherein various precipitates, repressed moulding to cement.This strength of materials is moderate, and mechanical workouts such as wood screw can be followed closely, saw, be twisted to insulation, sound insulation, heat-resisting, water-fast, corrosion resistant, anti-worm, and can carry out various surface decorations, can be widely used in building, the industry of digging up mine.
Description
The invention belongs to building material manufacture field, relate to improvement, be specially adapted to make cement composite board with the fiber of yearly plant to the composite plant fiber-cement board production method.Content of the present invention is to the subsequent application of applicant in the CN88105291.4-4 patent application of proposition on June 23rd, 1988.
Use vegetable fibre and particle thereof and cement mixing to make sheet material and history decades has been arranged at home and abroad through press molding.That realizes suitability for industrialized production up to now all is to use wood fibre, i.e. perennial plant fiber.For example the production of cement-bonded wood chipboard is existing more than 50 year, uses the wood shavings, particle, sawdust etc. of timber be that raw material, product have the two-fold advantage of wooden flake board and cement plate concurrently, so be much national attentions, is once developing very fast.But development slowed down gradually in the last few years, and major cause is: the first, for the countries and regions of wood raw material shortage, this series products development is restricted.The second, be not that all timber all is applicable to the manufacturing cement-bonded wood chipboard, in fact only have the minority seeds to be suitable for making cement composite board, its reason is that hemicellulose, starch and other extracts (PH is more than or equal to the 12) hydrolyzable in the basic solution that cement forms in the xylon produces the intensive anticoagulation for sugar to cement.For silicate cement, when the concentration of sugar only in several ten thousand/time of cement weight, can produce tangible retarding effect, and the sugar of 1% cement weight will make cement almost completely stop to solidify.The way that solves has following two kinds: the one, and selecting some to contain the less seeds of anti-coagulating action material is raw material, and add an amount of mineralizer for example muriate, nitrate etc. to reduce the effect of xylon anti-coagulating action precipitate, mainly adopt this method at present in the industrial production, suitable seeds have Chinese juniper, arbor-vitae, fir, dragon spruce, Chinese toon, willow etc., and mineralizer commonly used has calcium chloride, magnesium chloride etc.The shortcoming of this method is that available wood raw material range of choice is little, and the mineralization of mineralizer is limited, and its addition increases substantially production cost when too much.The second method that solves xylon precipitate anti-coagulating action problem is got rid of in advance to the anti-coagulating action composition in the fiber, for example U.S. Patent application US2504579 proposes to use with ammonia or ammonia treatment xylon the method for water rinse again, because expensive, the high pollution of this method in fact can't be used in industrialization.Replace silicate cement as for the activator activatory fine grinding hydraulicity blast-furnace slag that uses that proposes among the Chinese patent application CN85108058A as binding agent by the alkalescence effect, promptly change binding agent, the product that this method is produced has been not a cement composite board.Above-described all is the perennial plant fiber, for yearly plant, its anti-coagulating action component content for silicate cement is higher several times to tens times than perennial plant, therefore above-mentioned two kinds of methods are all inapplicable to this fibrid, since the timber cement-bonded wood chipboard came out nearly 60 years, composite annual fiber cement panel does not find the proper method that drops into suitability for industrialized production with the acceptable cost so far, is still the difficult problem that various countries are devoted to research and solve at present.
The purpose of this invention is to provide a kind of method that overcomes the precipitate of vegetable fibre to the production cement composite board of the anticoagulation of cement with new method, particularly providing a kind of is that raw material is made the novel method that the technology of cementitious composite sheet material is easy, with low cost, be convenient to promote with the yearly plant.
Technical solution of the present invention is: a kind of is strongthener with the vegetable fibre, with cement particularly silicate cement be the preparation method of the composite plant fiber-cement board of matrix material, its technological process comprises to the Mechanical Crushing of plant material and screening process and to the making sheet raw material that mixes mats formation, precompressed, compacting, oven dry, each operation of aftertreatment, it is characterized in that, (1), the mixing of making sheet raw material is finished by twice stirring, after screening, meet the vegetable fibre of certain size requirement and an amount of calcium oxide pulvis when stirring for the first time through fragmentation, an amount of muriate and water are put into stirrer and are stirred certain hour jointly, the vegetable fibre that is soaked into parcel after adding an amount of cement when stir the second time and stir for the first time in stirrer by the thick liquid that comprises oxychlorination calcium that the calcium oxide and the muriatic aqueous solution generated stirs, (2), in the said process, the weight of each used component determines that with following method the weight of vegetable fibre is 20～35% of dry plate weight; Vegetable fibre is 0.3～0.5 to the weight ratio of cement; Calcium oxide is 0.4～0.6 to the weight ratio of vegetable fibre; Muriate is 0.3～0.5 to the weight ratio of calcium oxide; The total amount of institute's water is pressed following formula and is determined: W=K(C+L)+(P-M) F, in the formula: W: the gross weight of the water of required adding (kilogram); K: press the coefficient that sheet material thickness is determined, its span is 0.33～0.36; C: the weight of used cement (kilogram); L: the weight of used calcium oxide (kilogram); P: press the coefficient that the vegetable fibre kind is determined, its span is 0.3～0.45; M: the water capacity of vegetable fibre (percentage ratio); F: the weight of used vegetable fibre (kilogram).
The present invention adopts and the distinct new approach of prior art when solving this problem of anticoagulation of vegetable fibre precipitate, promptly manages a vegetable fibre and cement and keeps apart, and precipitate is significantly reduced and is difficult to influence condensing of cement.When vegetable fibre and calcium oxide, muriate, for example calcium chloride and water mix when stirring, calcium oxide and calcium chloride can generate the liquid that heavy-gravity comprises oxychlorination calcium, they soak into parcel to vegetable fibre, stopped up the cell vestibule of vegetable fibre, also made the anti-coagulating action composition in the fiber be difficult to separate out and reduce activity simultaneously.During again with the cement mix, vegetable fibre is difficult to directly contact with alkaline liquid, thereby has significantly reduced the wherein quantity of hydrolysis such as starch, hemicellulose saccharogenesis, thereby has suppressed the performance of its anticoagulation through the vegetable fibre of this processing.This method does not need to get rid of in advance any composition of vegetable fibre, does not need to use a large amount of mineralizers yet, and mainly by isolating or making parcel handle the anticoagulation of vegetable fibre is effectively suppressed.
Based on foregoing invention design, the invention provides a kind of present unique can be with the method for low cost suitability for industrialized production composite annual fiber cement panel.A kind of is strongthener with the vegetable fibre, with cement particularly silicate cement be the preparation method of the composite plant fiber-cement board of matrix material, its technological process comprises to the Mechanical Crushing of plant material and screening process and to the making sheet raw material that mixes mats formation, precompressed, compacting, oven dry, each operation of aftertreatment, it is characterized in that, (1), the vegetable fibre that is adopted is to be that raw material is obtained with yearly plant, for example: waste of flax, cotton stalk, corn stalk (core), sunflower pole (dish, shell) tobacco rod, straw, reed, the cogongrass bar, bagasse, the ground melon seedling, straw (shell), Pericarppium arachidis hypogaeae, Chinese medicine slag, hards, the paddy bar, sorghum rod, the beans bar, the kapok bits, Exocarpium cocois (Cocos nucifera L), useless bamboo fibers etc., (2), the mixing of making sheet raw material is finished by twice stirring, after screening, meet the vegetable fibre of certain size requirement and an amount of calcium oxide pulvis when stirring for the first time through fragmentation, an amount of muriate and water are put into stirrer and are stirred certain hour jointly, add an amount of cement when stirring for the second time in the stirrer and stir the vegetable fibre that is soaked into parcel by the thick liquid that comprises oxychlorination calcium that the calcium oxide and the muriatic aqueous solution generated in the back for the first time and stir, (3), in the said process, the weight of each used component determines that with following method the weight of vegetable fibre is 20～35% of dry plate weight; Vegetable fibre is 0.3～0.5 to the weight ratio of cement; Calcium oxide is 0.4～0.6 to the weight ratio of vegetable fibre; Muriate is 0.3～0.5 to the weight ratio of calcium oxide; The total amount of institute's water is pressed following formula and is determined:
W＝K（C+L）+（P-M）F
In the formula: W: the gross weight of the water of required adding (kilogram); K: press the coefficient that sheet material thickness is determined, its span is 0.33～0.36; C: the weight of used cement (kilogram); L: the weight of used calcium oxide (kilogram); P: press the coefficient that the vegetable fibre kind is determined, its span is 0.3～0.45; M: the water capacity of vegetable fibre (percentage ratio); F: the weight of used vegetable fibre (kilogram).
Major advantage of the present invention is: widened the scope of raw material sources the first, greatly, not only various timber tankage can adopt, and particularly can adopt for example waste of farm crop of annual each kind of plant, turn waste into wealth, and reduce raw materials cost.The second, technology is easy, and production cost is low.Three, good product performance.This timber intensity is moderate, and insulation, sound insulation, heat-resisting, water-fast, wear-resisting, anti-worm can be followed closely, saw, dig, twist screw and other mechanical workout, and can carry out various surface decorations.
Below the invention will be further described and provide embodiment.Yearly plant as raw material need reach suitable form through Mechanical Crushing and screening, and its thickness is the 0.5-1.5 millimeter, and length is the 1-30 millimeter, and width is the 0.2-5 millimeter.When screening, the part that obviously rots should be chosen.The good fiber of screening should wrap up processing in a kind of mucus that contains oxychlorination calcium, this mucus is stirred by the calcium oxide and the muriatic aqueous solution and forms, and so-called muriate can be one of following material: calcium chloride, magnesium chloride, ammonium chloride.Can produce the activity that mineralization reduces the anti-coagulating action composition on the one hand when vegetable fibre stirs in above-mentioned mucus, main is wrapped up by mucus plugging.Envrionment temperature should be more than 5 ℃ during stirring.The long-acting more fruit of time that stirs is good more, finds in the experiment, generally stirs and can satisfy production requirement in 4～8 minutes.Add cement again and continue mix even the first time in stirrer after the stirring, generally can stir 4～6 minutes.In mixing stirring, the quantity of the water of adding can produce bigger influence to the quality of sheet material, therefore will be controlled.Through testing the experimental formula W=K(C+L that draws)+(P-M) F is the formula that calculates water consumption.Wherein COEFFICIENT K is selected according to the finished product sheet metal thickness that makes.The inventive method can be made 6～80mm sheet material, and usual thickness is 6～22mm.When thickness of slab δ=6～12mm, get K=0.36; During δ=40～80mm, get K=0.33; K gets intermediate value during δ=12～40mm.FACTOR P is determined according to the vegetable fibre kind.For soft material for example cork or waste of flax class, P gets 0.45; For mechanically resistant material for example hardwood or Exocarpium cocois (Cocos nucifera L) class, P gets 0.3; Other materials P gets intermediate value.After finishing, the hybrid working of making sheet raw material just can begin the operation of pressing plate.Operation henceforth and prior art there is no the difference of essence, they comprise mat formation, precompressed, compacting, oven dry and aftertreatment.Mat formation and to adopt airflow pavement or machinery to mat formation, make the slab compacting have enough intensity so that carry out the slab transportation through precompressed.The general employing of compacting colded pressing, and adopts the compacting of single drylight presses normal temperature, pressure 16～35kg/cm
2, pressurize 10～20 minutes.
In order to improve the early strength of sheet material, can in raw material, add hardening accelerator for example Tai-Ace S 150, gypsum etc., weight is 2%～5% of cement weight, adds when stirring for the second time.Requirement according to the different purposes of sheet material can also add a small amount of tackiness agent when stirring for the second time, for example water glass, Precondensed UreaFormaldehyde Resin, resol, trimeric cyanamide, emulsification polyester, Resins, epoxy, synthetic resin emulsion etc., its weight is 2%～8% of vegetable fibre weight.Cement composite board for the admixture tackiness agent can adopt hot pressing, and can produce the sheet material of 6mm this moment.Pressure 30～50kg/cm
2Pressurize 6～20 minutes.Hot pressed temperature is decided on the character of tackiness agent, sees the following form:
Tackiness agent kind hot pressing temperature
120 ℃～130 ℃ of trimeric cyanamides
120 ℃～150 ℃ of Precondensed UreaFormaldehyde Resins
150 ℃～170 ℃ in resol
70 ℃～100 ℃ of emulsification polyester or Resins, epoxy
Sheet material after repressed is sent into cellar for storing things formula drying room, 70～90 ℃ of oven dry 6～12 hours, composition board is tentatively hardened, and normal temperature was stacked 15～28 days then, aftertreatment such as cuts out again.
Embodiment 1:
1.4 kilograms of the corn stalks that fragmentation is screened; 0.23 kilogram in calcium chloride; 0.6 kilogram of calcium lime powder; water was put into the common stir about of stirrer 5 minutes for 1.6 kilograms; add 3 kilograms of silicate cements then; 0.226 kilogram of (containing 0.026 kilogram of sodium fluoride hardener) restir of water glass 4 minutes is shut down, and pours out the blank of mating formation into 48 * 48 * 3cm, after the precompressed at pressure 32kgf/cm
2In time, suppressed 15 minutes, takes out and put into baking oven 70～80 ℃ of environment bakings 6 hours, removes under the mould normal temperature and placed 28 days.Recording unit weight behind the jagsaw limit is 1220kg/m
3, MOR 9.6MPa, thickness swelling 1.2%, moisture 7.3%, through-18 ℃ of 18 freeze thawing, the residue MOR is 7.5MPa.
Embodiment 2:
2 kilograms of the wastes of flax that processes, 0.9 kilogram in calcium oxide, 0.28 kilogram in calcium chloride, 2 kilograms in water is common to be stirred 4 minutes, added 3 kilograms of No. 425 silicate cements again, stirred 5 minutes, was paved into the slab of 48 * 48 * 8cm, after the precompressed, was 25 kilograms/cm at pressure
2Following normal temperature compacting 15 minutes, 70～90 ℃ the drying rooms baking demoulding in 6 hours, ambient cure 28 days makes the sheet material of 48 * 48 * 1.9cm.Its capacity is 1180 kilograms/meter
3, 35 ℃ of warm water soaking thickness swelling 2.3% after 4 hours, static bending intensity average out to 11MPa dials 43.8 kilograms of nail power (2 millimeters of diameters of nail, hammer into 14 millimeters of the degree of depth), and tensile strength is 6.6MPa, ultimate compression strength 7.5MPa～10MPa.
Under many circumstances, can replace calcium oxide with calcium hydroxide, its consumption is identical or slightly some more when using calcium oxide.Although use the effect of calcium oxide to be better than calcium hydroxide, calcium oxide is easy to deliquescence and generates calcium hydroxide, therefore uses calcium hydroxide that realistic meaning is arranged when scale operation.
Claims (5)
1, a kind of is strongthener with the vegetable fibre, with cement particularly silicate cement be the preparation method of the composite plant fiber-cement board of matrix material, its technological process comprise to the Mechanical Crushing of plant material and screening process and to the making sheet raw material that mixes mat formation, precompressed, compacting, oven dry, each operation of aftertreatment, it is characterized in that
(1), the mixing of making sheet raw material is finished by twice stirring, stir certain hour jointly putting into stirrer when stirring for the first time through the vegetable fibre that meets the certain size requirement after the broken screening and an amount of calcium oxide pulvis, an amount of muriate and water, the vegetable fibre that is soaked into parcel after adding an amount of cement when stir the second time and stir for the first time in stirrer by the thick liquid that comprises oxychlorination calcium that the calcium oxide and the muriatic aqueous solution generated stirs
(2), in the said process, the weight of each used component determines that with following method the weight of vegetable fibre is 20～35% of dry plate weight; Vegetable fibre is 0.3～0.5 to the weight ratio of cement; Calcium oxide is 0.4～0.6 to the weight ratio of vegetable fibre; Muriate is 0.3～0.5 to the weight ratio of calcium oxide; The total amount of institute's water is pressed following formula and is determined:
W=K(C+L)+(P-M)F
In the formula: W: the gross weight of the water of required adding (kilogram);
K: press the coefficient that sheet material thickness is determined, its span is 0.33～0.36;
C: the weight of used cement (kilogram);
L: the weight of used calcium oxide (kilogram);
P: press the coefficient that the vegetable fibre kind is determined, span is 0.3～0.45;
M: the water capacity of vegetable fibre (percentage ratio);
F: the weight of used vegetable fibre (kilogram).
2, a kind of is strongthener with the vegetable fibre, with cement particularly silicate cement be the preparation method of the composite plant fiber-cement board of matrix material, its technological process comprise to the Mechanical Crushing of plant material and screening process and to the making sheet raw material that mixes mat formation, precompressed, compacting, oven dry, each operation of aftertreatment, it is characterized in that
(1), the vegetable fibre that is adopted is to be that raw material is obtained with yearly plant, for example: waste of flax, cotton stalk, corn stalk (core), sunflower pole (dish, shell) tobacco rod, straw, reed, cogongrass bar, bagasse, melon seedling, straw (shell), Pericarppium arachidis hypogaeae, Chinese medicine slag, hards, paddy bar, kaoliang stalk, beans bar, kapok bits, Exocarpium cocois (Cocos nucifera L), useless bamboo fibers etc.
(2), the mixing of making sheet raw material is finished by twice stirring, after screening, meet the vegetable fibre of certain size requirement and an amount of calcium oxide pulvis when stirring for the first time through fragmentation, an amount of muriate and water are put into stirrer and are stirred certain hour jointly, the vegetable fibre that is soaked into parcel after adding an amount of cement when stir the second time and stir for the first time in stirrer by the thick liquid that comprises oxychlorination calcium that the calcium oxide and the muriatic aqueous solution generated stirs
(3), in the said process, the weight of each used component determines that with following method the weight of vegetable fibre is 20～35% of dry plate weight; Vegetable fibre is 0.3～0.5 to the weight ratio of cement; Calcium oxide is 0.4～0.6 to the weight ratio of vegetable fibre; Muriate is 0.3～0.5 to the weight ratio of calcium oxide; The total amount of institute's water is pressed following formula and is determined:
W＝K（C+L）+（P-M）F
In the formula: W: the gross weight of the water of required adding (kilogram);
K: press the coefficient that sheet material thickness is determined, its span is 0.33～0.36;
C: the weight of used cement (kilogram);
L: the weight of used calcium oxide (kilogram);
P: press the coefficient that the vegetable fibre kind is determined, its span is 0.3～0.45;
M: the water capacity of vegetable fibre (percentage ratio);
F: the weight of used vegetable fibre (kilogram).
3, preparation method according to claim 2 is characterized in that, said muriate can be one of following material: calcium chloride, magnesium chloride, ammonium chloride.
According to claim 2 or 3 described preparation methods, it is characterized in that 4, the time of stirring is 4～8 minutes for the first time, the time of stirring is 4～6 minutes for the second time.
5, preparation method according to claim 4 is characterized in that, can add a small amount of tackiness agent by the sheet material purposes when stirring for the second time, and its weight is 3%～10% of vegetable fibre weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92104363A CN1024342C (en) | 1992-06-12 | 1992-06-12 | Manufacturing method of composite annual fiber cement panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92104363A CN1024342C (en) | 1992-06-12 | 1992-06-12 | Manufacturing method of composite annual fiber cement panel |
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| Publication Number | Publication Date |
|---|---|
| CN1066018A true CN1066018A (en) | 1992-11-11 |
| CN1024342C CN1024342C (en) | 1994-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92104363A Expired - Fee Related CN1024342C (en) | 1992-06-12 | 1992-06-12 | Manufacturing method of composite annual fiber cement panel |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099391C (en) * | 1999-01-19 | 2003-01-22 | 邹菁 | Hot-pressing production process of composite plant fiber-cement board |
| CN1693050B (en) * | 2003-03-13 | 2010-04-28 | 日吉华株式会社 | Extrusion-molded woody cement panel |
| CN102225569A (en) * | 2011-04-07 | 2011-10-26 | 西南林业大学 | A kind of high-strength inorganic wood-based panel and its manufacturing method |
| CN103009455A (en) * | 2012-12-07 | 2013-04-03 | 青岛文创科技有限公司 | Production method of environment-friendly shaving board |
| CN103819143A (en) * | 2013-12-31 | 2014-05-28 | 徐州中原木业有限公司 | Jute fiber cement plate and production method thereof |
| CN104325523A (en) * | 2014-09-01 | 2015-02-04 | 中山艺展装饰工程有限公司 | High-strength ecological environment-friendly fiber board |
| CN104844115A (en) * | 2015-05-29 | 2015-08-19 | 合肥瑞鹤装饰工程有限公司 | High-hardness wear-resistance plant fiber-cement composite slat and manufacturing method thereof |
| CN104909653A (en) * | 2015-05-29 | 2015-09-16 | 合肥瑞鹤装饰工程有限公司 | Strong frost resistance plant fiber cement composite slat and production method thereof |
| CN104926227A (en) * | 2015-05-29 | 2015-09-23 | 合肥瑞鹤装饰工程有限公司 | Plant-fiber cement composite batten with low cost and excellent durability and manufacturing method thereof |
| CN105036654A (en) * | 2015-07-28 | 2015-11-11 | 蚌埠华东石膏有限公司 | Plant fiber cement composite ribbon board with excellent sound absorption and insulation effect and manufacturing method thereof |
| CN105178462A (en) * | 2008-04-18 | 2015-12-23 | Usg内部有限责任公司 | Panels Including Renewable Components And Methods For Manufacturing |
| CN106007625A (en) * | 2016-05-25 | 2016-10-12 | 华国平 | Method for manufacturing environment-friendly fiber cement board for constructional engineering |
| WO2017059512A3 (en) * | 2015-10-05 | 2018-04-05 | Uniao Brasileira De Educacao E Assistencia | Laminated composite and micronized composite made of raphia hookeri, and structural panel made from same |
| CN111943582A (en) * | 2020-07-02 | 2020-11-17 | 北京水木华宸科技发展有限公司 | High-strength fiber cement composite board and preparation method thereof |
-
1992
- 1992-06-12 CN CN92104363A patent/CN1024342C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099391C (en) * | 1999-01-19 | 2003-01-22 | 邹菁 | Hot-pressing production process of composite plant fiber-cement board |
| CN1693050B (en) * | 2003-03-13 | 2010-04-28 | 日吉华株式会社 | Extrusion-molded woody cement panel |
| CN105178462A (en) * | 2008-04-18 | 2015-12-23 | Usg内部有限责任公司 | Panels Including Renewable Components And Methods For Manufacturing |
| CN102225569A (en) * | 2011-04-07 | 2011-10-26 | 西南林业大学 | A kind of high-strength inorganic wood-based panel and its manufacturing method |
| CN103009455A (en) * | 2012-12-07 | 2013-04-03 | 青岛文创科技有限公司 | Production method of environment-friendly shaving board |
| CN103819143A (en) * | 2013-12-31 | 2014-05-28 | 徐州中原木业有限公司 | Jute fiber cement plate and production method thereof |
| CN104325523B8 (en) * | 2014-09-01 | 2016-07-13 | 黎明 | A kind of high intensity ecological, environmental protective sheet material |
| CN104325523B (en) * | 2014-09-01 | 2016-06-01 | 黎明 | A kind of high strength ecological, environmental protective sheet material |
| CN104325523A (en) * | 2014-09-01 | 2015-02-04 | 中山艺展装饰工程有限公司 | High-strength ecological environment-friendly fiber board |
| CN104909653A (en) * | 2015-05-29 | 2015-09-16 | 合肥瑞鹤装饰工程有限公司 | Strong frost resistance plant fiber cement composite slat and production method thereof |
| CN104926227A (en) * | 2015-05-29 | 2015-09-23 | 合肥瑞鹤装饰工程有限公司 | Plant-fiber cement composite batten with low cost and excellent durability and manufacturing method thereof |
| CN104844115A (en) * | 2015-05-29 | 2015-08-19 | 合肥瑞鹤装饰工程有限公司 | High-hardness wear-resistance plant fiber-cement composite slat and manufacturing method thereof |
| CN105036654A (en) * | 2015-07-28 | 2015-11-11 | 蚌埠华东石膏有限公司 | Plant fiber cement composite ribbon board with excellent sound absorption and insulation effect and manufacturing method thereof |
| WO2017059512A3 (en) * | 2015-10-05 | 2018-04-05 | Uniao Brasileira De Educacao E Assistencia | Laminated composite and micronized composite made of raphia hookeri, and structural panel made from same |
| CN106007625A (en) * | 2016-05-25 | 2016-10-12 | 华国平 | Method for manufacturing environment-friendly fiber cement board for constructional engineering |
| CN111943582A (en) * | 2020-07-02 | 2020-11-17 | 北京水木华宸科技发展有限公司 | High-strength fiber cement composite board and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN1024342C (en) | 1994-04-27 |
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