CN107365128A - Useless silk reinforcing fiber cement plate and preparation method thereof - Google Patents
Useless silk reinforcing fiber cement plate and preparation method thereof Download PDFInfo
- Publication number
- CN107365128A CN107365128A CN201710605718.7A CN201710605718A CN107365128A CN 107365128 A CN107365128 A CN 107365128A CN 201710605718 A CN201710605718 A CN 201710605718A CN 107365128 A CN107365128 A CN 107365128A
- Authority
- CN
- China
- Prior art keywords
- parts
- reinforcing fiber
- useless silk
- cement plate
- useless
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
A kind of useless silk reinforcing fiber cement plate and preparation method thereof：The cement plate is prepared by each component of following parts by weight：800~900 parts of cement, 150~200 parts of mineral admixture, 1~3 part of defoamer, 8~15 parts of water reducer, 10~30 parts of re-dispersible glue powder, 400~500 parts of water, 2000~2500 parts of fine aggregate, modified useless 38 parts of silk.Discarded silk is used for the enhancing of sulphoaluminate cement base composite by the present invention first, and useless silk reinforcing fiber cement plate is prepared, not only increases the crack resistance of sheet material, also make it more environmentally friendly, the regeneration field of useless silk is expanded, the amount of binder materials is more, and its compression strength is higher.
Description
Technical field
The invention belongs to civil engineering materials field, is related to a kind of useless silk reinforcing fiber cement plate and preparation method thereof.
Background technology
Fiber cement board refers to using cement as basic binder materials, using each fiber as reinforcing material, through slurrying, shaping,
The processes such as maintenance and manufactured sheet material, the addition of fiber significantly improve the crack resistance of sheet material, thus be widely used in all kinds of build
Build the industrial plate fields such as the external and internal wall of thing, furred ceiling, curtain wall liner plate, sound-absorbing barrier, composite wall faceplate.
Asbestos have good tensile strength, so once extensively using with fiber cement board.But because asbestos fibre is easy
Induce the PUD Ds such as lung cancer, it is therefore necessary to find more environmentally friendly natural fiber material.Currently used for preparing Cement fibre
The non-asbestos fiber of plate is mainly all kinds of wood fibres.
In recent years, as the popularization that health environment-friendly is realized, silk product start to be well received by consumers.China is production silk
Big country, every year more than 60,000 tons of silk offcut as caused by the enterprises such as filature, knit silk fabric, clothes, but at present to the synthesis for the silk that gives up
Recycle the processing for focusing primarily upon protein extraction and preservative film；In the patent document of Application No. 201410006936.5
Disclose a kind of high-performance cement soil and preparation method thereof, introduced in the document it is a kind of by Portland cement simultaneously
The mode of addition nanometer natural fiber and nano material improves the intensity of cement, but cement material prepared by the document uses
Be Portland cement, its alkalescence greatly be easy to that nanometer natural fiber therein is caused to corrode, so as to destroy natural fibre
The intensity in cement is tieed up, the cement material intensity in particularly later stage cannot be guaranteed；The what is more important document also emphasizes
Nanometer natural fiber and nano material must be used in mixed way and just be avoided that fiber and soil cement are also easy to produce part relative displacement skill
Art problem, and after nano material natural-fiber composite material is added into soil cement, surface is bonded with the natural fiber of nano material
It is considered as " Ribbed Bar ", nano material natural fiber combined material can effectively prevent relative because being produced by load
Sliding, but nano material price and be not easy to disperse, the nano material natural-fiber composite material that can be resulted in is in day
Skewness in right pug, cause the intensity of cement material also skewness.In addition, the patent application is soil cement, its
It is mainly used in roadbed, wherein filler is mainly " natural earth material ", accounts for the 70%-90% of gross mass, the amount of binder materials (cement)
It is considerably less, so as to cause Compressive Strength of Soil-cement Mixture very low, generally only 1-5MPa.
The content of the invention
The present invention is directed to the above-mentioned deficiency of prior art, there is provided one kind is using discarded silk as reinforcing material, for fiber
The preparation of cement plate, not only increase the crack resistance of sheet material so that reinforcing material is uniformly dispersed in the base, and does not corrode also
Effect causes material to remain high intensity, while also makes it more environmentally friendly, expands the regeneration field of useless silk.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of useless silk reinforcing fiber cement plate,
It is characterized in that：The cement plate is prepared by each component of following parts by weight：800~900 parts of cement, mineral admixture 150~
200 parts, 1~3 part of defoamer, 8~15 parts of water reducer, 10~30 parts of re-dispersible glue powder, 400~500 parts of water, fine aggregate 2000
~2500 parts, modified useless silk 3-8 parts.
Cement of the present invention is low-alkalinity sulphoaluminate cement, and intensity is not less than 42.5 strength grades, basicity pH value
No more than 10.5, performance indications meet《Sulphate aluminium cement》(GB/T 20472-2006).
The present invention cement why make above-mentioned restriction, be because traditional portland basicity it is higher, it is obtained
Usual pH value >=12.5 of cement base products, the risk of the useless silk of corrosion be present；And the low-alkalinity sulphoaluminate cement alkali of the present invention
Spend pH value and be not more than 10.5.
Mineral admixture of the present invention should be the ground slag powder that activity index is more than S105 levels.Why make
Restriction is stated, is because while that the species of mineral admixture is various, such as conventional has flyash, zeolite powder, slag powders, steel-making slag powder
Deng, but test data shows, the activity of S105 level miberal powders is high compared with mineral admixtures such as flyash, is filled in sulphate aluminium cement
It appropriate high-activity mineral blending material, can significantly optimize the aperture of cement-base composite material, increase later strength.Loss on ignition is got over
It is small, show that absorption of the carbon component unburned in slag powders for components such as water reducers is fewer；Therefore the regulation of These parameters is
For the restriction for ensureing the intensity of material and workability is done.
Defoamer of the present invention is that organic silicon defoamer is (such as bright to insult chemistry production P803 defoamers, point stone Anda production
YJG-01 defoamers)；Why organic silicon defoamer is added, is to be directed to the characteristics of sulphate aluminium cement whipping process is easy to foaming,
Effectively foam produces in control cement-base composite material system, makes the finer and close light of sheet material.
Water reducer of the present invention is low alkaline concrete retarding high efficiency water reducing agent (such as Jiangsu Su Bote new materials share
Co., Ltd produces(low alkaline) concrete retarding high efficiency water reducing agent, Beijing Houde Traffic Science and Technology Co., Ltd.'s production
HD-NXD (low alkali) efficient retarding and water reducing agent).The reason for why using low alkali retardation water reducing agent has at 3 points：1. reduce basicity pair
The corrosion probability of useless silk；2. sulphate aluminium cement condensation setting rate is very fast, the production of product is not utilized, therefore need to delay to coagulate
Tie the time；3. reducing the ratio of mud, intensity is improved.
Re-dispersible glue powder (redispersable latex powder) of the present invention is emulsion polymerization by spraying, doing
Dry to wait the powder thermoplastic resin formed after processing, it can significantly improve the cohesive force and crack resistance of cement plate after hardening, and carry
High permeability resistant energy and physical and mechanical property；Redispersable latex powder is VAE, vinylacetate-chlorine
At least one of Ethylene vinyl copolymer, solid content >=98%, 0~5 DEG C of (such as Enrique Miguez Gómez chemical industry MS- of MFT
6090N, Wacker company RE5044 latex powders).
Fine aggregate of the present invention is quartz sand, and particle diameter is 0.6mm~2.5mm.Quartz sand plays skeleton in sheet material
Supporting role, play a part of resistance to deformation and reduce cost, its performance indications must is fulfilled for《Construction sand》(GB/T
Relevant regulations 14684-2011).But particle diameter does not slightly utilize the production of sheet material excessively, therefore has done above-mentioned restriction.
10-30 μm of length 5mm-8mm, the diameter of the useless silk of modification of the present invention, useless silk is placed in concentration as 5%
Liquid antistatic in soak after after 24h, dry and obtain in 60 DEG C of baking ovens；Why make above-mentioned restriction, be because load by
Cement stone substrate is delivered on modified useless silk fiber by the shear stress on interface, and it not only has with fiber and matrix properties
Close, it is also relevant with diameter with the length of fiber.It is theoretical to show that the energy to failure of cement-base composite material is with draw ratio with experiment
Raising and significantly improve, if but length it is excessive, be not easy to disperse, action of crack arrest can be caused to reduce；And useless silk is placed in anti-
Immersion (Shanghai Songyuan Asia chemical industry produces liquid antistatic) in electrostatic liquid, mainly to reduce the sheet resistance of useless silk, it is scattered to improve it
Property.
The present invention also provides the preparation method of above-mentioned useless silk reinforcing fiber cement plate：Preparation process is：By formula rate
Each raw material are weighed, first pour into cement, mineral admixture, re-dispersible glue powder, fine aggregate in mixer, after dry mixing 15-30s
Add water, water reducer and defoamer are added after stirring 60s~90s, modified useless silk is added after stirring 60s-90s, after stirring 300s,
Pour into mould, useless silk reinforcing fiber cement plate is produced after natural curing 3d.
The present invention compared with prior art, has following unique performance and advantage：The present invention first uses discarded silk
In the enhancing of sulphoaluminate cement base composite, useless silk reinforcing fiber cement plate is prepared, not only increases sheet material
Crack resistance, also make it more environmentally friendly, expand the regeneration field of useless silk；The sulphate aluminium cement that the present invention passes through low alkali
It is used in conjunction with each other with low alkaline concrete retarding high efficiency water reducing agent, it is possible to reduce whole matrix and each component are to silk
Corrosiveness so that cement plate remains higher intensity, and each component is evenly distributed each other, especially with
Liquid antistatic is modified to useless silk, more enables to each component to be evenly distributed；The fiber reinforced cement board of the present invention is main
For wall, wherein main stuffing is " quartz sand ", and the amount of binder materials (cement) is more, and its compression strength is higher (up to water
10-20 times of soil).
Embodiment
The present invention is described in further detail below by embodiment, but the present invention is not limited solely to following examples.
Embodiment 1
Calculation by weight, each raw material components of the useless silk reinforcing fiber cement plate of the present embodiment are as follows：Including cement 820
Part, 180 parts of mineral admixture, 2 parts of defoamer, 12 parts of water reducer, 18 parts of re-dispersible glue powder, 400 parts of water, fine aggregate 1800
Part, modified useless 4 parts of silk.
Described cement is low-alkalinity sulphoaluminate cement, and intensity is not less than 42.5 strength grades, and basicity pH value is not more than
10.5, performance indications meet《Sulphate aluminium cement》(GB/T 20472-2006)；
Described mineral admixture should be the ground slag powder that activity index is more than S105 levels；
Described defoamer is organic silicon defoamer, and such as bright icepro chemistry production P803 defoamers or point stone Anda production YJG-01 disappear
Infusion；
Water reducer of the present invention is that water reducer is low alkaline concrete retarding high efficiency water reducing agent, such as Jiangsu Su Botexin
Material limited company produces(low alkaline) concrete retarding high efficiency water reducing agent or Beijing thickness moral transport science and techonologies have
Limit company produces HD-NXD (low alkali) efficient retarding and water reducing agent；
Fine aggregate of the present invention is quartz sand, particle diameter 1.5-2mm, and its performance indications meets《Construction sand》(GB/
T 14684-2011) relevant regulations.
20-25 μm of length 6mm-6.5mm, the diameter of the useless silk of modification of the present invention, useless silk is placed in into concentration is
Soaked in 5% liquid antistatic (commercially available liquid antistatic, the HDC-904 sold such as Hangzhou Linan Dechang electrostatic Science and Technology Ltd.)
Dry and obtain after 24h, in 60 DEG C of baking ovens afterwards.
First cement, mineral admixture, re-dispersible glue powder, fine aggregate are poured into mixer, water is added after dry mixing 20-25s,
Water reducer and defoamer are added after stirring 80-85s, modified useless silk is added after stirring 80-85s, after stirring 300s, pours into mould
In, useless silk reinforcing fiber cement plate is produced after natural curing 3d.
The useless silk reinforcing fiber cement plate finally obtained, 3d compression strength 48.3MPa, 3d rupture strength 10.2MPa.
Compared with the light water mud plate for not mixing useless silk, 3d compression strength improves 3.0%, 3d rupture strengths and improves 9.6%.
Embodiment 2
Calculation by weight, each raw material components of the useless silk reinforcing fiber cement plate of the present embodiment are as follows：Including cement 880
Part, 155 parts of mineral admixture, 3 parts of defoamer, 15 parts of water reducer, 25 parts of re-dispersible glue powder, 405 parts of water, fine aggregate 2100
Part, give up 6 parts of silk.The specific model of each component and performance reference implementation example.
First cement, mineral admixture, re-dispersible glue powder, fine aggregate are poured into mixer, water is added after dry mixing 15-30s,
Water reducer and defoamer are added after stirring 60s~90s, modified useless silk is added after stirring 60s-90s, after stirring 300s, pours into
In mould, useless silk reinforcing fiber cement plate is produced after natural curing 3d.
The useless silk reinforcing fiber cement plate finally obtained, 3d compression strength 50.8MPa, 3d rupture strength 11.3MPa.
Compared with the light water mud plate for not mixing useless silk, 3d compression strength improves 3.8%, 3d rupture strengths and improved
12.7%.
Claims (8)
- A kind of 1. useless silk reinforcing fiber cement plate, it is characterised in that：Described cement plate by following parts by weight each component system It is standby：800~900 parts of cement, 150~200 parts of mineral admixture, 1~3 part of defoamer, 8~15 parts of water reducer, redispersible glue 10~30 parts of powder, 400~500 parts of water, 2000~2500 parts of fine aggregate, modified useless silk 3-8 parts.
- 2. useless silk reinforcing fiber cement plate according to claim 1, it is characterised in that：Described cement is low alkalinity sulphur Aluminate cement, intensity are not less than 42.5 strength grades, and basicity pH value is not more than 10.5, and performance indications meet GB/T20472- 2006《Sulphate aluminium cement》.
- 3. useless silk reinforcing fiber cement plate according to claim 1, it is characterised in that：Described mineral admixture is work Sex index is more than the ground slag powder of S105 levels, and loss on ignition is not more than 3.0%.
- 4. useless silk reinforcing fiber cement plate according to claim 1, it is characterised in that：Described defoamer is organosilicon Defoamer.
- 5. useless silk reinforcing fiber cement plate according to claim 1, it is characterised in that：Described water reducer is low alkaline Concrete retarding high efficiency water reducing agent.
- 6. useless silk reinforcing fiber cement plate according to claim 1, it is characterised in that：Described fine aggregate is quartz Sand, particle diameter are 0.6mm~2.5mm, and performance indications meet《Construction sand》(GB/T 14684-2011).
- 7. useless silk reinforcing fiber cement plate according to claim 1, it is characterised in that：The length of the useless silk of described modification 5mm-8mm is spent, 10-30 μm of diameter, useless silk is placed in the liquid antistatic that concentration is 5% after soaking after 24h, in 60 DEG C of baking ovens Middle dry acquisition.
- A kind of 8. preparation method of useless silk reinforcing fiber cement plate, it is characterised in that：Each raw material are weighed by formula rate, first Cement, mineral admixture, re-dispersible glue powder, fine aggregate are poured into mixer, after dry mixing 15-30s plus water, stirring 60s~ Water reducer and defoamer are added after 90s, modified useless silk is added after stirring 60s-90s, after stirring 300s, pours into mould, from So useless silk reinforcing fiber cement plate is produced after maintenance 3d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710605718.7A CN107365128B (en) | 2017-07-24 | 2017-07-24 | Waste silk reinforced fiber cement board and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710605718.7A CN107365128B (en) | 2017-07-24 | 2017-07-24 | Waste silk reinforced fiber cement board and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107365128A true CN107365128A (en) | 2017-11-21 |
| CN107365128B CN107365128B (en) | 2020-01-31 |
Family
ID=60308486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710605718.7A Active CN107365128B (en) | 2017-07-24 | 2017-07-24 | Waste silk reinforced fiber cement board and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107365128B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935625A (en) * | 2017-12-20 | 2018-04-20 | 重庆交通大学 | The vegetation form cellular concrete of low alkalinity |
| CN115093180A (en) * | 2022-07-01 | 2022-09-23 | 中德新亚建筑材料有限公司 | Anti-freezing type non-shrinkage grouting material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5567554A (en) * | 1978-11-10 | 1980-05-21 | Kobayashi Bolt Kogyo | Glass fiber reinforced concrete |
| CN1063092A (en) * | 1992-02-21 | 1992-07-29 | 雷新忠 | The manufacture method of light cement board mixed with fiber material |
| CN101891429A (en) * | 2010-06-28 | 2010-11-24 | 上海衡峰氟碳材料有限公司 | Ceramic imitation cement component, ceramic imitation cement product and preparation method thereof |
| CN103833297A (en) * | 2014-01-07 | 2014-06-04 | 清华大学 | High performance cement soil and preparation method thereof |
| CN105152575A (en) * | 2015-09-24 | 2015-12-16 | 滁州京安工贸有限责任公司 | Chloride-free low-alkaline type concrete set retarding superplasticizer |
-
2017
- 2017-07-24 CN CN201710605718.7A patent/CN107365128B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5567554A (en) * | 1978-11-10 | 1980-05-21 | Kobayashi Bolt Kogyo | Glass fiber reinforced concrete |
| CN1063092A (en) * | 1992-02-21 | 1992-07-29 | 雷新忠 | The manufacture method of light cement board mixed with fiber material |
| CN101891429A (en) * | 2010-06-28 | 2010-11-24 | 上海衡峰氟碳材料有限公司 | Ceramic imitation cement component, ceramic imitation cement product and preparation method thereof |
| CN103833297A (en) * | 2014-01-07 | 2014-06-04 | 清华大学 | High performance cement soil and preparation method thereof |
| CN105152575A (en) * | 2015-09-24 | 2015-12-16 | 滁州京安工贸有限责任公司 | Chloride-free low-alkaline type concrete set retarding superplasticizer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935625A (en) * | 2017-12-20 | 2018-04-20 | 重庆交通大学 | The vegetation form cellular concrete of low alkalinity |
| CN115093180A (en) * | 2022-07-01 | 2022-09-23 | 中德新亚建筑材料有限公司 | Anti-freezing type non-shrinkage grouting material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107365128B (en) | 2020-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107500687B (en) | High-ductility fiber reinforced cement-based composite material for 3D printing and preparation method thereof | |
| Zhang et al. | Effect of polypropylene fiber on durability of concrete composite containing fly ash and silica fume | |
| Xiaochun et al. | The applicability of alkaline-resistant glass fiber in cement mortar of road pavement: Corrosion mechanism and performance analysis | |
| CN109206095B (en) | Micro-expansion ultra-high performance concrete and preparation method thereof | |
| CN108546060A (en) | A kind of repairing high belite sulphoaluminate cement base anti-disturbance concrete and preparation method thereof | |
| Zhang et al. | Combined influence of nano‐CaCO3 and polyvinyl alcohol fibers on fresh and mechanical performance of concrete incorporating fly ash | |
| CN106927761A (en) | The high performance concrete of admixture iron tailings sand, silicon ash and basalt fibre | |
| CN111533512B (en) | Preparation method of ductility delayed coagulation fine aggregate concrete with initial setting time of 48-72 h | |
| CN104446175A (en) | Recycled high-performance concrete and preparation method thereof | |
| CN108101446A (en) | Basalt fiber composite rib concrete and preparation method thereof | |
| CN101786816A (en) | Synthetic fabric concrete | |
| CN104724994A (en) | Preparation method of waste rubber powder anti-crack mortar | |
| CN112919864A (en) | Recycled aggregate fiber reinforced shotcrete and preparation method thereof | |
| CN109626901B (en) | Preparation method of high-toughness cement concrete | |
| CN105272001A (en) | Ceramsite concrete and preparation method thereof | |
| CN104891900A (en) | C35 low-gel-material self-compacting reinforced concrete and preparation method thereof | |
| CN114230289A (en) | Green high-strength and high-toughness concrete and preparation process thereof | |
| CN104478386A (en) | Mix-enhanced binding gypsum and preparation method thereof | |
| CN109626920A (en) | A kind of concrete road surface material for quickly repairing and preparation method with high intensity and endurance quality | |
| CN106747253A (en) | A kind of ferronickel slag magnesium phosphate cement mortar and its application | |
| CN107365128A (en) | Useless silk reinforcing fiber cement plate and preparation method thereof | |
| CN104496337A (en) | Nano-clay modified fiber cement mortar and preparation method thereof | |
| Zhu et al. | Mechanical properties, durability and environmental assessment of low-carbon cementitious composite with natural fibrous wollastonite | |
| Zhao et al. | Effect of Nano-SiO2/Steel fiber on the mechanical properties and sulfate resistance of High-Volume fly ash cement materials | |
| CN104129962B (en) | A kind of post-stressed hole path pressure grouting agent and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |