CN104844115A - High-hardness wear-resistance plant fiber-cement composite slat and manufacturing method thereof - Google Patents
High-hardness wear-resistance plant fiber-cement composite slat and manufacturing method thereof Download PDFInfo
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- CN104844115A CN104844115A CN201510283269.XA CN201510283269A CN104844115A CN 104844115 A CN104844115 A CN 104844115A CN 201510283269 A CN201510283269 A CN 201510283269A CN 104844115 A CN104844115 A CN 104844115A
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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 invention discloses a high-hardness wear-resistance plant fiber-cement composite slat. The high-hardness wear-resistance plant fiber-cement composite slat is prepared from the following raw materials in parts by weight: 24-36 parts of plant fibers, 21-30 parts of silicate cement, 47-55 parts of coal ash, 15-18 parts of waste bricks, 7-9 parts of bentonite, 0.1-0.3 part of hydroxypropyl methyl cellulose, 0.4-0.7 part of magnesium nitride, 0.3-0.5 part of potassium nitrate, 13-16 parts of polyacrylate emulsion, 4-7 parts of eucalyptus oil, 7-10 parts of propoxylated ethoxylated isohexadecanol acetate and an appropriate amount of water; the produced plant fiber-cement composite slat is high in hardness, wear-resistant, antibacterial and mildewproof, sound-proof, high in density and good in permeability; besides, the mounting construction of the slat belongs to the human bearable range; besides, high-value added utilization of waste bricks and coal ash is also realized.
Description
Technical field
The present invention relates to material of construction material technical field, be specifically related to a kind of high rigidity and resistance to wear plant fiber-cement composite strip plate and preparation method thereof.
Background technology
Since entering the nineties, in the selection of living environment, people have been not content with general has it to occupy, but is pursuing material of construction and the new building materials of environmental harmony type with natural characteristic.Environmental harmony type building materials must meet heat preservation energy-saving, sound absorption sound insulation, water-proof fire-retardant, nonpoisonous and tasteless, lightweight, the characteristic such as high-strength, safe, plant fiber-cement composite strip plate is exactly a kind of novel environmental harmony type material of construction, selected vegetable fibre refers to annual fiber, mainly refers to that crop stalk is as corn stalk, straw, cotton stem, waste of flax etc.
At China's yearly plant abundance, be inexhaustible, nexhaustible raw material, their lifetime is shorter, does not have too large purposes after withered.These crop stalks through cut off hammer broken after obtained vegetable fibre feature be that length-to-diameter ratio is large, specific tenacity is high, specific surface area is large, density is low and biodegradable, have that cost is low, tensile strength advantages of higher in addition, replace timber to make cementitious composite batten strongthener, in use unharmful substance and obnoxious flavour generate.
But the alkaline attack effect of vegetable fibre extract to the anticoagulation of cement and cement-hydrate all limits the application of plant fiber-cement composite strip plate, show: the high alkalinity liquid phase in cement matrix hole has erosion action to vegetable fibre, thus affects the weather resistance of composite strip plate; Vegetable fibre has very high water-intake rate, the declining to a great extent of flexural tensile strength and Young's modulus after volume change can be caused to cause plant fiber-cement composite strip plate to make moist, and composite strip plate is distorted distortion, even ftractures; Vegetable fibre because there is depolymerization, making its polymerization degree decline and causing the corresponding reduction of its tensile strength under microbial process.For solving the problems of the prior art, need to carry out modification to existing plant fibre surface and reduce the alkalescence of gelling material.
Summary of the invention
Object of the present invention is just to provide a kind of high rigidity and resistance to wears plant fiber-cement composite strip plate and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
A kind of high rigidity is resistance to worn plant fiber-cement composite strip plate, it is characterized in that, be made up of the raw material of following weight part: vegetable fibre 24-36, silicate cement 21-30, flyash 47-55, discarded brick 15-18, wilkinite 7-9, Vltra tears 0.1-0.3, magnesium nitride 0.4-0.7, saltpetre 0.3-0.5, polyacrylate dispersion 13-16, eucalyptus oil 4-7, propoxy-ethoxylation different cetyl acetate 7-10, water are appropriate.
Described a kind of high rigidity is resistance to worn the preparation method of plant fiber-cement composite strip plate, it is characterized in that comprising the following steps:
(1) within baking oven about 3-4 hour that vegetable fibre is put into 105 DEG C, dry, room temperature is dried, rap that to remove to pectin and be crushed to diameter be 3-6mm again with skin hammer, being placed on mass concentration is soak 24 hours in the polyacrylate dispersion of 10%, press dry post-drying, air blast to the state of seething sprays into vaporific eucalyptus oil, dries;
(2) discarded brick, wilkinite are calcined 1-2 hour at 585-685 DEG C, cooling adds flyash agitation grinding 30-40 minute, add magnesium nitride and be warming up to 170-230 DEG C of stirring 5-10 minute, be cooled to 50-80 DEG C, add the different cetyl acetate of propoxy-ethoxylation to continue to stir 20-25 minute, be cooled to room temperature, dry porphyrize;
(3) saltpetre be dissolved in water and stir 10-15 minute, add step (1), (2) reaction mass stirring and evenly mixing, add silicate cement and other remaining components again and stir 20-30 minute, it is shaping to add forming machine, obtains finished product successively after 20-30h through cutting, the demoulding, natural curing.
The present invention has following beneficial effect: it is easy that the present invention prepares simple operations, first polyacrylate dispersion dip treating technique is taked to make the surfaces externally and internally of vegetable fibre be enclosed with one layer of polymeric film to plant fibre surface pre-treatment, spray vaporific eucalyptus oil again, make whole fibre dense and obtain certain rigidity, and water tolerance improves; Secondly flyash is added and in addition modification replaces part of cement, the growing amount of calcium hydroxide after minimizing aquation, improve the corrosion resistance of vegetable fibre, choose the water cement ratio of 0.42 simultaneously, obtained plant fiber-cement composite strip plate has that high rigidity, wear-resistant, antibacterial and mouldproof, sound absorption sound insulation, density are strong, good penetrability and batten installation belong to the scope that manpower can bear, and more achieves the high value added utilization of discarded brick, flyash.
Embodiment
Described a kind of high rigidity is resistance to worn plant fiber-cement composite strip plate, it is characterized in that, be made up of the raw material of following weight part: vegetable fibre 32, silicate cement 26, flyash 51, discarded brick 17, wilkinite 7, Vltra tears 0.2, magnesium nitride 0.6, saltpetre 0.4, polyacrylate dispersion 15, eucalyptus oil 6, the different cetyl acetate of propoxy-ethoxylation 7, water are appropriate.
Making method comprises the following steps:
(1) within baking oven about 3-4 hour that vegetable fibre is put into 105 DEG C, dry, room temperature is dried, rap that to remove to pectin and be crushed to diameter be 3-6mm again with skin hammer, being placed on mass concentration is soak 24 hours in the polyacrylate dispersion of 10%, press dry post-drying, air blast to the state of seething sprays into vaporific eucalyptus oil, dries;
(2) discarded brick, wilkinite are calcined 1-2 hour at 585-685 DEG C, cooling adds flyash agitation grinding 30-40 minute, add magnesium nitride and be warming up to 170-230 DEG C of stirring 5-10 minute, be cooled to 50-80 DEG C, add the different cetyl acetate of propoxy-ethoxylation to continue to stir 20-25 minute, be cooled to room temperature, dry porphyrize;
(3) saltpetre be dissolved in water and stir 10-15 minute, add step (1), (2) reaction mass stirring and evenly mixing, add silicate cement and other remaining components again and stir 20-30 minute, it is shaping to add forming machine, obtains finished product successively after 20-30h through cutting, the demoulding, natural curing.
The technical parameter index of the plant fiber-cement composite strip plate using the present invention to produce is as follows:
(1) fracture toughness value improves 61.09%;
(2) relative impact intensity improves 29.09%;
(3) sound absorption coefficient maximum is 0.575, and sound-damping qualities is 32dB.
Claims (2)
1. a high rigidity is resistance to worn plant fiber-cement composite strip plate, it is characterized in that, be made up of the raw material of following weight part: vegetable fibre 24-36, silicate cement 21-30, flyash 47-55, discarded brick 15-18, wilkinite 7-9, Vltra tears 0.1-0.3, magnesium nitride 0.4-0.7, saltpetre 0.3-0.5, polyacrylate dispersion 13-16, eucalyptus oil 4-7, propoxy-ethoxylation different cetyl acetate 7-10, water are appropriate.
2. a kind of high rigidity according to claim 1 is resistance to worn the making method of plant fiber-cement composite strip plate, it is characterized in that comprising the following steps:
(1) within baking oven about 3-4 hour that vegetable fibre is put into 105 DEG C, dry, room temperature is dried, rap that to remove to pectin and be crushed to diameter be 3-6mm again with skin hammer, being placed on mass concentration is soak 24 hours in the polyacrylate dispersion of 10%, press dry post-drying, air blast to the state of seething sprays into vaporific eucalyptus oil, dries;
(2) discarded brick, wilkinite are calcined 1-2 hour at 585-685 DEG C, cooling adds flyash agitation grinding 30-40 minute, add magnesium nitride and be warming up to 170-230 DEG C of stirring 5-10 minute, be cooled to 50-80 DEG C, add the different cetyl acetate of propoxy-ethoxylation to continue to stir 20-25 minute, be cooled to room temperature, dry porphyrize;
(3) saltpetre be dissolved in water and stir 10-15 minute, add step (1), (2) reaction mass stirring and evenly mixing, add silicate cement and other remaining components again and stir 20-30 minute, it is shaping to add forming machine, obtains finished product successively after 20-30h through cutting, the demoulding, natural curing.
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| CN201510283269.XA CN104844115A (en) | 2015-05-29 | 2015-05-29 | High-hardness wear-resistance plant fiber-cement composite slat and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105272348A (en) * | 2015-09-29 | 2016-01-27 | 马鞍山杰创塑胶科技有限公司 | Sea sand aerated building block and making method thereof |
| CN106147097A (en) * | 2016-08-26 | 2016-11-23 | 安庆市金鹰新型建材科技股份有限公司 | A kind of wood plastic decorative construction material |
| CN110436849A (en) * | 2019-08-13 | 2019-11-12 | 安徽朗凯奇建材有限公司 | A kind of cement based penetration crystallization type water proofing paint, preparation method and its application method |
| CN116514430A (en) * | 2023-05-26 | 2023-08-01 | 重庆交通大学 | Modification method of bamboo aggregate and application of composition |
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| CN1038631A (en) * | 1988-06-23 | 1990-01-10 | 山东建筑材料工业学院 | Composite plant fiber-cement board and preparation method |
| CN1066018A (en) * | 1992-06-12 | 1992-11-11 | 山东建筑材料工业学院 | The preparation method of composite annual fiber cement panel |
| CN1224701A (en) * | 1999-01-19 | 1999-08-04 | 邹菁 | Hot-pressing production process of composite plant fiber-cement board |
| CN1396137A (en) * | 2002-08-12 | 2003-02-12 | 黄华大 | Hollow partition slab made of broken straw and cement and its preparing process |
| CN2832975Y (en) * | 2005-09-30 | 2006-11-01 | 皮立生 | Plant-fiber cement composite board |
| CN101476365A (en) * | 2008-01-03 | 2009-07-08 | 肖力光 | Stalk light body energy-saving heat preserving building blocks and manufacturing method thereof |
| CN103771790A (en) * | 2012-10-22 | 2014-05-07 | 长沙创远环保科技有限公司 | Cement straw composite plate and production technological method |
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2015
- 2015-05-29 CN CN201510283269.XA patent/CN104844115A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1038631A (en) * | 1988-06-23 | 1990-01-10 | 山东建筑材料工业学院 | Composite plant fiber-cement board and preparation method |
| CN1066018A (en) * | 1992-06-12 | 1992-11-11 | 山东建筑材料工业学院 | The preparation method of composite annual fiber cement panel |
| CN1224701A (en) * | 1999-01-19 | 1999-08-04 | 邹菁 | Hot-pressing production process of composite plant fiber-cement board |
| CN1396137A (en) * | 2002-08-12 | 2003-02-12 | 黄华大 | Hollow partition slab made of broken straw and cement and its preparing process |
| CN2832975Y (en) * | 2005-09-30 | 2006-11-01 | 皮立生 | Plant-fiber cement composite board |
| CN101476365A (en) * | 2008-01-03 | 2009-07-08 | 肖力光 | Stalk light body energy-saving heat preserving building blocks and manufacturing method thereof |
| CN103771790A (en) * | 2012-10-22 | 2014-05-07 | 长沙创远环保科技有限公司 | Cement straw composite plate and production technological method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105272348A (en) * | 2015-09-29 | 2016-01-27 | 马鞍山杰创塑胶科技有限公司 | Sea sand aerated building block and making method thereof |
| CN106147097A (en) * | 2016-08-26 | 2016-11-23 | 安庆市金鹰新型建材科技股份有限公司 | A kind of wood plastic decorative construction material |
| CN110436849A (en) * | 2019-08-13 | 2019-11-12 | 安徽朗凯奇建材有限公司 | A kind of cement based penetration crystallization type water proofing paint, preparation method and its application method |
| CN110436849B (en) * | 2019-08-13 | 2021-12-07 | 安徽朗凯奇建材有限公司 | Cement-based capillary crystalline waterproof coating, preparation method and application method thereof |
| CN116514430A (en) * | 2023-05-26 | 2023-08-01 | 重庆交通大学 | Modification method of bamboo aggregate and application of composition |
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