CN1154896A - Cement/plaster reed-fiber composite material and production method thereof - Google Patents
Cement/plaster reed-fiber composite material and production method thereof Download PDFInfo
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- CN1154896A CN1154896A CN 96116216 CN96116216A CN1154896A CN 1154896 A CN1154896 A CN 1154896A CN 96116216 CN96116216 CN 96116216 CN 96116216 A CN96116216 A CN 96116216A CN 1154896 A CN1154896 A CN 1154896A
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- reed
- cement
- fiber
- plaster
- composite material
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Abstract
The present invention discloses a kind of cement/gypsum reed fibre composite material and its production process. It is characterized by using reed fibre as reinforcing material, cement or gypsum as cementing material, containing filling material, adjuvant and water and adopting such processes of mixing, forming and hardening to obtain plate or block-like composite material. Said invented material is light in self-weight, good in heat-insulating property and flame-resistant property and high in strength, low in cost and strong in workability, and can be made into various board materials as substitute for wooden product.
Description
The present invention relates to building material technical field, specifically a kind of with cement or gypsum as glued raw material, carry out compound New Building Materials and manufacture method thereof with reed as reinforcing material.
Carry out hybrid process with the cement and the particle of string in the prior art and become the existing quite long history of sheet material, once once developing very fast as cement-bonded wood chipboard, but because the hemicellulose in wood-fibred, starch and other extract hydrolyzable in the alkaline solution that cement forms is a sugar, cement is produced strong anticoagulation, make cement composite board so have only the minority seeds to adapt to, " preparation method of composite annual fiber cement panel " patent (application number 92104363.5) of Shandong Building Materials Industry Institute application by retrieval, to the anticoagulation of annual fiber precipitate to cement, the method of being taked is described, the cement amount used with this side's kind is bigger, the complex art economic indicator is not obvious, do not relate to the effect of gypsum in addition at fibrous composite, amount of gypsum is inexpensive greatly, especially some industrial by-products, the ardealite that is produced when producing phosphate fertilizer in the chemical fertilizer industry, all there is tons up to a million every year in a medium-sized enterprise, not only pile up like a mountain, also cause environmental pollution easily, also there is similar problem in the thermal power plant to flyash, so some enterprises are to the problem that a urgent need solves that is treated as of these discarded objects.
The object of the present invention is to provide a kind of cement/plaster reed-fiber composite material and specific technical method thereof to carry out compound manufacturing; the composite of producing with this method; not only every technical-economic index can reach higher level; and can utilize some trade wastes, help environmental protection.
Technical scheme of the present invention is achieved in that it is reinforcing material with the reed fiber, is glued raw material with cement or gypsum, and described material also comprises packing material, auxiliary agent and water, forms plate or block assembly after mixing, moulding, sclerosis; Its weight percentages of components is: cement or gypsum 35-45%, reed fiber 20-30%, inserts 5-10%, auxiliary agent 0.5-2%, water 27-35%.
The production method of this material is: earlier the reed stem is carried out roll-in, cut-out, pulverizes, is processed into the fiber of required specification, and remove dust, reed fiber is immersed to take out behind the low alkalinity solutions appropriate time again and drain; Molten Jie of auxiliary agent in water, is evenly mixed cement or gypsum with reed fiber and inserts then, and inject the aqueous solution that contains auxiliary agent, obtain plate or block assembly by moulding, maintenance, sclerosis through abundant mixed compound.
The present invention compares the advantage with the following aspects with existing similar building materials:
1, the deadweight of this material is lighter, and the material entities capacity is 1150kg/m
3About;
2, heat-proof quality is superior, and thermal conductivity factor is: 0.16-0.24W/MK, can reduce the Building Heat loss greatly;
3, intensity is higher, and its mechanical property can satisfy the basic demand under the regular service conditions;
4, belong to incombustible material, fire endurance was greater than one hour;
5, machinability is strong, can arbitrarily cut, digs, saws, bores, follow closely;
6, material is from not going mouldy under normal natural environment;
7, this material cost is lower than 300 yuan/m
3, remarkable in economical benefits;
8, the equipment needed thereby of producing this material all can utilize domestic existing device, does not need special equipment;
9, belong to environment-friendly products, the obtaining of its raw material, and can not have a negative impact to environment in the manufacturing process.On the contrary, because the superiority of material self can reduce social development greatly to the environment of human survival and the pressure of resource.
Fig. 1 is technological process of production figure of the present invention.
Below, in conjunction with the accompanying drawings the present invention is done comparatively detailed description, and provide embodiment.
The selected raw material of the present invention is cement or gypsum, reed, packing material, auxiliary agent and water.Reed fiber has intensity and toughness preferably, but contain certain sugar part, the principle of this composite production is to be reinforcing material with the reed fiber, required reed fiber is long 10-15mm, wide 1-1.5mm, with cement or gypsum or cement, the mixture of gypsum is a cementing material, be equipped with flyash, the simple substance of vermiculite power or crushed crude pearlite is packing material, used inserts also can be two or three mixture of these simple substance components, auxiliary agent adopts the lignosulfonates series of products, also adds an amount of water, through mixing, moulding, the sclerosis back forms plate or block assembly; Its weight percentages of components is: cement or gypsum 35-45%, reed fiber 20-30%, inserts 5-10%, auxiliary agent 0.5-2%, water 27-35%.
The concrete grammar of the cement/plaster reed-fiber composite material of producing by the said components proportioning is as follows:
1, at first the stem of reed raw material is carried out roll-in and cuts off, and with the centrifugal mill tool with fiber spin-off and pulverizing, it is long to be processed into 10-15mm, screens behind the wide fiber of 1.0-1.5mm and removes dust.
2, reed fiber is immersed low alkalinity solutions takes out after about 15 minutes-45 minutes, drains, low alkalinity solutions is AlSO
4, NaOH, Ca (OH)
2Dilute solution or other pH value are lower than 8.5 low alkalinity solutions.
3, with molten Jie of appropriate amount of addition agent in water, auxiliary agent is mainly the lignin sulfonic acid salt, its role is to improve the mobile performance and the forming ability of compound.
4, cement or gypsum and reed fiber and inserts are evenly mixed with mixer, and inject the water-soluble road that contains auxiliary agent.
5, compound that will be after fully mixed is by the in addition moulding of press or vibration extruder or other extrusion machinery.
6, plate or the block assembly with moulding carries out suitable maintenance sclerosis, can obtain to have satisfied the qualified products of certain specification requirement.
The present invention can control unit weight and thermal technology's index of product by the density of adjusting raw material proportioning and composite, and product can be processed into entity thin plate, hollow slab etc., can use building decoration respectively and building is separated body of wall, and can be used as the substitute products of these goods.
The basic after tested physical property of embodiment 1 cement 45% reed fiber 25% inserts flyash 5% auxiliary agent 0.5% water 24.5% is: material unit weight 1238kg/m
3The basic after tested physical property of compression strength 4.9NPa thermal conductivity factor 0.246W/MK embodiment 2 cement 20% reed fiber 25% gypsum 15% inserts flyash 5% auxiliary agent 0.5% water 24.5% is: material unit weight 810kg/m
3The basic after tested physical property of compression strength 1.7MPa thermal conductivity factor 0.163W/MK embodiment 3 gypsum 40% reed, 22% inserts (stone flour) 6% auxiliary agent 1.0% water 31% is: material unit weight 1050kg/m
3Compression strength 2.2MPa thermal conductivity factor 0.185W/MK
Claims (7)
1. cement/plaster reed-fiber composite material, it is characterized in that: it is reinforcing material with the reed fiber, and cement or gypsum are glued raw material, also comprise packing material, auxiliary agent and water, forms plate or block assembly after mixing, moulding, sclerosis; Its weight percentages of components is: cement or gypsum 35-45%, reed fiber 20-30%, inserts 5-10%, auxiliary agent 0.5-2%, water 27-35%.
2. by the described cement/plaster reed-fiber composite material of claim 1, it is characterized in that: reed fiber is long 10-15mm, wide 1.0-1.5mm.
3. by the described cement/plaster reed-fiber composite material of claim 1, it is characterized in that: packing material is two or more mixtures of flyash, vermiculite power, crushed crude pearlite or these simple substance components.
4. by the described cement/plaster reed-fiber composite material of claim 1, it is characterized in that: auxiliary agent is lignosulfonates.
5. press the production method of the described cement/plaster reed-fiber composite material of claim 1, it is characterized in that: earlier the reed stem is carried out roll-in and cut off, with size reduction machinery reed fiber is peeled off pulverizing, and the removal dust drains with taking out behind the low aqueous slkali certain hour of reed fiber immersion again; Molten Jie of auxiliary agent in water, is evenly mixed cement or gypsum and reed fiber and inserts then, and injects the aqueous solution that contains auxiliary agent, and by moulding, the maintenance sclerosis obtains the assembly of plate or bulk through abundant mixed compound.
6. by the product method of the described cement/plaster reed-fiber composite material of claim 5, it is characterized in that: the low alkalinity solutions that reed fiber immerses is AlSO
4, NaOH, Ca (OH)
2Dilute solution or other pH value are lower than 8.5 low alkalinity solutions; The immersion time is 15-45 minute.
7. by the production method of the described cement/plaster reed-fiber composite material of claim 5, it is characterized in that: press, vibration extruder or other extrusion modling machinery are adopted in the moulding of compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96116216 CN1060426C (en) | 1996-01-15 | 1996-01-15 | Cement/plaster reed-fiber composite material and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96116216 CN1060426C (en) | 1996-01-15 | 1996-01-15 | Cement/plaster reed-fiber composite material and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1154896A true CN1154896A (en) | 1997-07-23 |
| CN1060426C CN1060426C (en) | 2001-01-10 |
Family
ID=5123338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96116216 Expired - Fee Related CN1060426C (en) | 1996-01-15 | 1996-01-15 | Cement/plaster reed-fiber composite material and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1060426C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351198C (en) * | 2003-05-26 | 2007-11-28 | 上海积能建筑材料科技有限公司 | Light thermal porous brick and producing method thereof |
-
1996
- 1996-01-15 CN CN 96116216 patent/CN1060426C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351198C (en) * | 2003-05-26 | 2007-11-28 | 上海积能建筑材料科技有限公司 | Light thermal porous brick and producing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1060426C (en) | 2001-01-10 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JINENG BUILDING MATERIAL SCIENCE & TECHNOLOGY CO. Free format text: FORMER OWNER: HUANG XIAOMING Free format text: FORMER OWNER: SHENG ZHAOJUN; ZHOU WENBIN Effective date: 20030509 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20030509 Address after: 200041 No. two, 258, Shimen, Shanghai Patentee after: Jineng Building Material Science & Technology Co., Ltd., Shanghai Address before: 200081 room 24, No. 1114, Lane 405, Liyang Road, Shanghai Co-patentee before: Sheng Zhaojun Patentee before: Huang Xiaoming Co-patentee before: Zhou Wenbin |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010110 Termination date: 20110115 |