CN105060810A - Thermal-insulation sound-insulation type plant fiber cement composite ribbon board and manufacturing method thereof - Google Patents
Thermal-insulation sound-insulation type plant fiber cement composite ribbon board and manufacturing method thereof Download PDFInfo
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- CN105060810A CN105060810A CN201510448800.4A CN201510448800A CN105060810A CN 105060810 A CN105060810 A CN 105060810A CN 201510448800 A CN201510448800 A CN 201510448800A CN 105060810 A CN105060810 A CN 105060810A
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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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- Dry Formation Of Fiberboard And The Like (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a thermal-insulation sound-insulation type plant fiber cement composite ribbon board. According to the invention, a teflon emulsion dipping treatment process is employed to pretreat the surfaces of plant fiber so as to allow the internal and external surfaces of the plant fiber to be coated with a polymer film, the polymer is cured after drying, then mist-like waste engine oil is sprinkled, so the entire fiber is compact, obtains certain rigidity and has improved water resistance; and then fly ash is added to modify and replace a part of cement, so the generation amount of hydrated calcium hydrate is decreased, and corrosion resistance of the plant fiber is improved. Thus, the prepared plant fiber cement composite ribbon board has the advantages of thermal insulation, sound insulation, high compactness, good permeability, low cost, etc.; the level of comprehensive utilization of plate fiber is increased; and severe damage caused by improper disposal of waste resources is reduced.
Description
Technical field
The present invention relates to material of construction material technical field, be specifically related to a kind of thermal insulation separation figure 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 thermal insulation separation figure 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 thermal insulation separation figure plant fiber-cement composite strip plate, it is characterized in that, be made up of the raw material of following weight part: vegetable fibre 20-30, silicate cement 25-35, flyash 40-45, polypropylene fibre 5-8, pearlstone 10-13, thermoplastic starch 4-7, borax 1-3, calcium formiate 0.7-0.9, sulfonated lignin 0.4-0.7, ptfe emulsion 15-18, Ethylene glycol dimethacrylate 7-11, used oil 3-6, water are appropriate.
The preparation method of described a kind of thermal insulation separation figure plant fiber-cement composite strip plate, 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 ptfe emulsion of 10%, press dry post-drying, air blast to the state of seething sprays into vaporific used oil, dries;
(2) pearlstone is calcined 1-2 hour at 570-680 DEG C, cooling adds flyash, thermoplastic starch agitation grinding 30-40 minute, add borax and be warming up to 150-200 DEG C of stirring 5-10 minute, be cooled to 50-80 DEG C, add Ethylene glycol dimethacrylate to continue to stir 3-5 minute, be cooled to room temperature, dry porphyrize;
(3) calcium formiate 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 ptfe emulsion 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, dry post-consumer polymer solidification, spray vaporific used 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 have insulation, sound insulation, density by force, good penetrability, low cost and other advantages, improve the level of comprehensive utilization of vegetable fibre, reduce because waste resource deals with the grievous injury caused improperly.
Embodiment
Described a kind of thermal insulation separation figure plant fiber-cement composite strip plate, it is characterized in that, be made up of the raw material of following weight part: vegetable fibre 28, silicate cement 30, flyash 44, polypropylene fibre 5, pearlstone 11, thermoplastic starch 6, borax 1, calcium formiate 0.8, sulfonated lignin 0.5, ptfe emulsion 17, Ethylene glycol dimethacrylate 9, used oil 4, 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 ptfe emulsion of 10%, press dry post-drying, air blast to the state of seething sprays into vaporific used oil, dries;
(2) pearlstone is calcined 1-2 hour at 570-680 DEG C, cooling adds flyash, thermoplastic starch agitation grinding 30-40 minute, add borax and be warming up to 150-200 DEG C of stirring 5-10 minute, be cooled to 50-80 DEG C, add Ethylene glycol dimethacrylate to continue to stir 3-5 minute, be cooled to room temperature, dry porphyrize;
(3) calcium formiate 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) tensile splitting strength of maintenance 28d improves 21.5%;
(2) bending strength of maintenance 28d improves 14.6%;
(3) thermal conductivity (medial temperature 25 ± 2 DEG C): 0.082W/ (mk);
(4) sound absorption coefficient maximum is 0.688, and sound-damping qualities is 24dB.
Claims (2)
1. a thermal insulation separation figure plant fiber-cement composite strip plate, it is characterized in that, be made up of the raw material of following weight part: vegetable fibre 20-30, silicate cement 25-35, flyash 40-45, polypropylene fibre 5-8, pearlstone 10-13, thermoplastic starch 4-7, borax 1-3, calcium formiate 0.7-0.9, sulfonated lignin 0.4-0.7, ptfe emulsion 15-18, Ethylene glycol dimethacrylate 7-11, used oil 3-6, water are appropriate.
2. the making method of a kind of thermal insulation separation figure plant fiber-cement composite strip plate according to claim 1, 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 ptfe emulsion of 10%, press dry post-drying, air blast to the state of seething sprays into vaporific used oil, dries;
(2) pearlstone is calcined 1-2 hour at 570-680 DEG C, cooling adds flyash, thermoplastic starch agitation grinding 30-40 minute, add borax and be warming up to 150-200 DEG C of stirring 5-10 minute, be cooled to 50-80 DEG C, add Ethylene glycol dimethacrylate to continue to stir 3-5 minute, be cooled to room temperature, dry porphyrize;
(3) calcium formiate 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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CN201510448800.4A CN105060810A (en) | 2015-07-28 | 2015-07-28 | Thermal-insulation sound-insulation type plant fiber cement composite ribbon board and manufacturing method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109928654A (en) * | 2017-12-15 | 2019-06-25 | 北方工业大学 | Modified leaf fiber light-weight heat-insulation concrete and preparation method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1396137A (en) * | 2002-08-12 | 2003-02-12 | 黄华大 | Hollow partition slab made of broken straw and cement and its preparing process |
CN101476365A (en) * | 2008-01-03 | 2009-07-08 | 肖力光 | Stalk light body energy-saving heat preserving building blocks and manufacturing method thereof |
CN104803639A (en) * | 2015-03-31 | 2015-07-29 | 安徽鑫润新型材料有限公司 | Heat preservation and sound insulation type batten compounded with plant fiber and cement and preparation method of batten |
-
2015
- 2015-07-28 CN CN201510448800.4A patent/CN105060810A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1396137A (en) * | 2002-08-12 | 2003-02-12 | 黄华大 | Hollow partition slab made of broken straw and cement and its preparing process |
CN101476365A (en) * | 2008-01-03 | 2009-07-08 | 肖力光 | Stalk light body energy-saving heat preserving building blocks and manufacturing method thereof |
CN104803639A (en) * | 2015-03-31 | 2015-07-29 | 安徽鑫润新型材料有限公司 | Heat preservation and sound insulation type batten compounded with plant fiber and cement and preparation method of batten |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109928654A (en) * | 2017-12-15 | 2019-06-25 | 北方工业大学 | Modified leaf fiber light-weight heat-insulation concrete and preparation method thereof |
CN109928654B (en) * | 2017-12-15 | 2022-02-15 | 北方工业大学 | Modified leaf fiber light-weight heat-insulation concrete and preparation method thereof |
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Application publication date: 20151118 |
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