CN105015103B - A kind of continuous lod red mud composite board - Google Patents
A kind of continuous lod red mud composite board Download PDFInfo
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- CN105015103B CN105015103B CN201510440458.3A CN201510440458A CN105015103B CN 105015103 B CN105015103 B CN 105015103B CN 201510440458 A CN201510440458 A CN 201510440458A CN 105015103 B CN105015103 B CN 105015103B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/14—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2601/00—Upholstery
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of continuous lod red mud composite board, including upper and lower panel, laminboard layer.Upper and lower panel is made up of continuous fiber reinforced thermoplastic polymer composites sheet material, and laminboard layer is made up of the high gel filled material of red mud, and upper and lower panel is passed through heat fusing and is combined with the upper and lower surface of laminboard layer respectively.The invention provides a kind of utilization technology of the waste material red mud of aluminum oxide industry output, make a kind of new organic-inorganic Sandwich type combined board material, there is fire prevention, waterproof, heat-insulated, compressive resistance is strong, fold resistance is good；Can be widely applied to the industries such as building, decoration, red mud can be digested in a large number, real realization is turned waste into wealth.
Description
Technical field
The present invention relates to the utilization technology of the waste material red mud of aluminum oxide industry output, specifically with red mud as primary raw material
Fiber reinforcement red mud composite board and preparation method thereof, belongs to the field preparing building materials using solid waste.
Background technology
At present, the red mud of aluminum oxide industry output is piled into mountain, enormous amount and environment is caused with very big harm.Estimated
The end of the year in 2015, red mud adds up volume of cargo in storage and is up to 3.5 hundred million tons.China has carried out interdisciplinary, multi-field comprehensive profit in recent years
With technical research work, such as red mud extraction valuable metal, building brick, mine cemented filling Binder Materials etc..But these researchs
Still at the experimental stage, also it is not implemented industrialization.Patent CN2007101002325.9 describes to prepare red mud using sintering processes
Quartz sand building material, 1250 DEG C -1350 DEG C of sintering temperature, consume the energy excessive；Patent 2006100110688.7,
The technical characteristic of the patents such as 200710137584.7,200810058211 is all belonging to alkali-slag-red mud system, all needs to add
A large amount of alkali activators are sintered grinding again and process.In sum, the patent that relevant red mud utilizes, high energy consumption, it is difficult to realize and produce
Industry.
In recent years, continuous fiber reinforced thermoplastic composite material sheet material is with its excellent mechanical performance, recuperability, production
The features such as process continuity, is increasingly becoming the study hotspot of people.The form of composite board laminboard layer also emerges in an endless stream, and has honeycomb
Plate, the form such as foamed board.But the laminboard layer of these composite boards is organic material mostly, and laminboard layer be inorganic material and with have
The compounded composite board of Bigpian material is little.This patent provides a kind of organic and compounded plate of inorganic material
Material, the development to later organic-inorganic material sheet material has certain reference.
Content of the invention
It is an object of the invention to directly utilizing the waste material red mud of aluminum oxide industry output, prepared new by hot melt
High-strength organic sheet material combining with ecological inorganic；There is provided a kind of low cost, large dosage utilizes red mud solidified gel reaction preparation
Become new organic material preparation method combining with ecological inorganic.This sheet material can be widely applied to build, the row such as decoration
In industry, the market space is huge；And provide the difficult problem that a kind of effective method solves red mud recycling, create larger
Social economic value.
To achieve these goals, this invention takes following technical scheme：
A kind of continuous lod red mud composite board, be made up of upper strata, lower floor and laminboard layer it is characterised in that
Laminboard layer is located between upper strata and lower floor, and upper strata, lower floor are in 0 °/90 ° staggered continuous lod thermoplastics by 2-6 layer
Property polymer composites sheet material make, the thickness of upper strata and lower floor is 0.7-2mm, and laminboard layer is the high gel filled material of red mud
Sheet material, thickness is 10-20mm, and the upper and lower table respectively with the high gel filled material sheet material of red mud for the heat fusing is passed through in the upper and lower
Face is combined.
Wherein, the continuous fiber of continuous fiber reinforced thermoplastic polymer composites sheet material is glass fibre, thermoplasticity
Polymer selects one of polyethylene, polypropylene, nylon.
Wherein, the composition of continuous lod red mud composite board laminboard layer and its weight ratio：Red mud 30-50%, chlorine
Change magnesium salt 20-40%, magnesium oxide 10-20%, wood powder 10-30%, water repellent agent 0.4-0.6%, anti-halogen agent 0.4-0.6%, reinforcing agent
0.4-0.6%, modifying agent 1-3% and interface cohesion agent 2-10%.
Wherein, interface cohesion agent is one of pasty state starch or polyvinyl alcohol or more than one mixture.
The invention still further relates to the preparation method of above-mentioned continuous lod red mud composite board, comprise the following steps：
（1）Weight ratio according to claim 3 weighs raw material, makes pulpous state stock, by stock after agitated machine mix and blend
Pour preprepared mould of plastics into, carry out cloth；
（2）After the completion of cloth, add 3-10 layer glass fiber mesh in substrate overlying, then vibration, roll-forming；
（3）Red mud plate after roll-forming, gets final product the demoulding after solidifying in natural environment；
（4）Red mud plate after the demoulding is 18-25 DEG C in temperature, warp under the conditions of the constant temperature and humidity for 60-70% for the relative humidity
Cross the maintenance of 7-10 days, after abundant combination reaction, then be cut into the high gel filled material sheet material of red mud；
（5）The sheet material of continuous fiber reinforced thermoplastic polymer composites is taped against laminboard layer upper and lower surface respectively, send
Enter steel belt pressing machine；
（6）The rotary motion of steel belt pressing machine drags continuous fiber reinforced thermoplastic composite material sheet material and laminboard layer is synchronously logical
Cross the hot pressing area of steel belt pressing machine and cold pressing area, by hot pressing with cold pressing continuous fiber reinforced thermoplastic polymer composites piece
Material melting is bonded to the upper and lower surface of laminboard layer；
（7）Obtain continuous lod red mud composite board.
Wherein, step（6）In, hot pressing temperature is 210-260 DEG C, and hot pressing pressure is 2-4MPa, and hot pressing time is 1-3min,
Temperature of colding pressing is 60-80 DEG C, and pressure of colding pressing is 2-4MPa, and the time of colding pressing is 1-3min.
Compared with prior art, beneficial effect of the present invention shows as：
1st, the present invention passes through continuous fiber reinforced thermoplastic polymer composites sheet material and the high gel filled material of red mud
The compound mode of sheet material melting, develops a kind of high-strength organic-ecological inorganic Sandwich type combined board material, and the board made has
High-strength, lightweight, waterproof, compressive resistance be strong, counter-bending, corrosion-resistant the advantages of；Additionally, by with continuous fiber reinforced composite materials piece
The heat fusing of material is combined, and it is not water-fast to change traditional inorganic gel materials, easily anti-halogen the shortcomings of, sheet material is greatly improved simultaneously
Mechanical performance.
2nd, continuous fiber reinforced thermoplastic polymer composites sheet material and the high gel filled material sheet material of red mud directly lead to
Cross heat fusing bonding, not by gluing knot, interface binding power and reliability are much better than gluing knot, additionally, by adding poly- second
Enol or pasty state starch interface modification, can be greatly improved the interface binding power of surface material and core material.
3rd, in prepared continuous lod red mud composite board, core material is mixed and is added substantial amounts of red mud,
Provide good solution for solving red mud recycling problem, create social economic value simultaneously, real realization
Turn waste into wealth.
4th, the upper and lower surface layer of continuous lod red mud composite board of present invention preparation is thermoplastic, can be very
The secondary operations such as easily carry out colouring, decorate, improving its application, be particularly suited for the decoration of interior decoration furred ceiling, metope.
Brief description
Fig. 1 is continuous lod red mud composite board structural representation；
Fig. 2 is continuous lod red mud composite board cross section structure schematic diagram.
Wherein, 1- upper strata panel, 2- laminboard layer, 3- lower floor panel.
Specific embodiment
In order to preferably explain the present invention, it is further elucidated with the main contents of the present invention below in conjunction with instantiation, but this
The content of invention is not limited solely to following instance.
Embodiment 1：
According to the continuous lod red mud composite board of the present invention, continuous lod red mud composite board
The weight of laminboard layer each component ratio for red mud 30%, magnesium chloride bittern 20%, magnesium oxide 20%, wood powder 22.8%, water repellent agent 0.4%, resist
Halogen agent 0.4%, reinforcing agent 0.4%, modifying agent 2% and polyvinyl alcohol 4%.By above-mentioned weight than the raw material weighing 120 turns of agitated machine/
Make pulpous state stock after minute stirring, stock is poured into preprepared mould of plastics, carries out cloth；After the completion of cloth,
Substrate overlying adds 3 layers of glass fiber mesh, becomes tabular idiosome through vibrating roller swaging；Then solidify under natural environment, Ran Hou
Temperature is 18 DEG C, and relative humidity is maintenance 7 days under the conditions of 60%, and after fully solidifying, shearing becomes the thick laminboard layer of 10mm red again
The high gel filled material sheet material of mud；2 layers are divided in 0 °/90 ° staggered continuous lod composite polyethylene material sheet materials
It is not taped against laminboard layer upper and lower surface, sends into steel belt pressing machine, the rotary motion of steel belt pressing machine drags continuous lod polyethylene again
Condensation material sheet material and laminboard layer synchronously pass through the hot pressing area of steel belt pressing machine and area of colding pressing, and are increased continuous fiber by hot pressing and colding pressing
The melting of strength polyethylene composite material sheet is bonded to the upper and lower surface of laminboard layer.Wherein, hot pressing temperature is 220 DEG C, hot pressing pressure
For 2MPa, hot pressing time is 1min, and temperature of colding pressing is 60 DEG C, and pressure of colding pressing is 2MPa, and the time of colding pressing is 1min.
The comprcssive strength of the continuous lod red mud composite board that this example is prepared is 80MPa, rupture strength
For 40MPa, impact strength is 30kJ/m2.
Embodiment 2：
According to the continuous lod red mud composite board of the present invention, continuous lod red mud composite board
The weight of laminboard layer each component ratio for red mud 40%, magnesium chloride bittern 30%, magnesium oxide 10%, wood powder 11.5%, water repellent agent 0.5%, resist
Halogen agent 0.5%, reinforcing agent 0.5%, modifying agent 2% and polyvinyl alcohol 5%.By above-mentioned weight than the raw material weighing 120 turns of agitated machine/
Make pulpous state stock after minute stirring, stock is poured into preprepared mould of plastics, carries out cloth；After the completion of cloth,
Substrate overlying adds 5 layers of glass fiber mesh, becomes tabular idiosome through vibrating roller swaging；Then solidify under natural environmental condition, so
Be 20 DEG C in temperature afterwards, relative humidity be 60% constant temperature and humidity under the conditions of maintenance 8 days, after fully solidifying, shearing becomes again
The high gel filled material sheet material of the thick laminboard layer red mud of 15mm；4 layers is in 0 °/90 ° staggered continuous lod poly- third
Alkene composite material sheet is taped against the upper and lower surface of laminboard layer respectively, sends into steel belt pressing machine, and the rotary motion of steel belt pressing machine drags even
Continuous TRPP composite material sheet and the synchronous hot pressing area passing through steel belt pressing machine of laminboard layer and cooling zone, by hot pressing
With the upper and lower surface that the melting of continuous fiber reinforced polypropylene composite material sheet material is bonded to laminboard layer of colding pressing.Wherein, hot pressing temperature
Spend for 230 DEG C, hot pressing pressure is 2MPa, be 2min during hot pressing, temperature of colding pressing is 60 DEG C, and pressure of colding pressing is 2MPa, colds pressing the time
For 2min.
The comprcssive strength of the continuous lod red mud composite board that this example is prepared is 100MPa, rupture strength
For 60MPa, impact strength is 40kJ/m2.
Embodiment 3：
According to the continuous lod red mud composite board of the present invention, continuous lod red mud composite board
The weight of laminboard layer each component ratio for red mud 50%, magnesium chloride bittern 20%, magnesium oxide 10%, wood powder 10.2%, water repellent agent 0.6%, resist
Halogen agent 0.6%, reinforcing agent 0.6%, modifying agent 2% and polyvinyl alcohol 6%.By above-mentioned weight than the raw material weighing 120 turns of agitated machine/
Make pulpous state stock after minute stirring, stock is poured into preprepared mould of plastics, carries out cloth；After the completion of cloth,
Substrate overlying adds 10 layers of glass fiber mesh, becomes tabular idiosome through vibrating roller swaging；Then it is 25 DEG C in temperature, relative humidity is
Maintenance 10 days under the conditions of 70% constant temperature and humidity, after fully solidifying, shearing becomes the high filling of the thick laminboard layer red mud of 20mm solidifying again
Glue material sheet material, 6 layers are taped against laminboard layer respectively in 0 °/90 ° staggered continuous fibre reinforced nylon composite material sheets
Upper and lower surface, sends into steel belt pressing machine, and the rotary motion of steel belt pressing machine drags continuous fibre reinforced nylon composite material sheet and folder
Sandwich layer synchronously passes through the hot pressing area of steel belt pressing machine and area of colding pressing, by hot pressing with cold pressing continuous fibre reinforced nylon composite
Sheet material melting is bonded to the upper and lower surface of laminboard layer.Wherein, hot pressing temperature is 260 DEG C, and hot pressing pressure is 4MPa, and hot pressing time is
3min, temperature of colding pressing is 80 DEG C, and pressure of colding pressing is 4MPa, and the time of colding pressing is 3min.
The comprcssive strength of the continuous lod red mud composite board that this example is prepared is 150MPa, rupture strength
For 100MPa, impact strength is 80kJ/m2.
The foregoing is only embodiments of the invention, be not limited to the present invention, for those skilled in the art
For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within scope of the presently claimed invention.
Claims (4)
1. a kind of continuous lod red mud composite board, by upper strata（1）, lower floor（2）And laminboard layer（3）Composition, it is special
Levy and be, laminboard layer（3）Positioned at upper strata（1）With lower floor（2）Between, upper strata（1）, lower floor（2）It is in 0 °/90 ° by 2-6 layer to interlock
The continuous fiber reinforced thermoplastic polymer composites sheet material of arrangement is made, upper strata（1）With lower floor（2）Thickness be 0.7-
2mm, laminboard layer（3）For the high gel filled material sheet material of red mud, thickness is 10-20mm, upper strata（1）And lower floor（2）By hot melt
Melt the upper and lower surface recombination respectively with the high gel filled material sheet material of red mud；Described laminboard layer（3）Composition and its weight ratio：
Red mud 30-50%, magnesium chloride bittern 20-40%, magnesium oxide 10-20%, wood powder 10-30%, water repellent agent 0.4-0.6%, anti-halogen agent 0.4-
0.6%, reinforcing agent 0.4-0.6%, modifying agent 1-3% and interface cohesion agent 2-10%.
2. continuous lod red mud composite board according to claim 1 is it is characterised in that described continuous fibre
The continuous fiber that dimension strengthens thermoplastic polymer composite material sheet material is glass fibre, and thermoplastic polymer is selected polyethylene, gathered
One of propylene, nylon.
3. continuous lod red mud composite board according to claim 1 is it is characterised in that described interface is tied
Mixture is one of pasty state starch or polyvinyl alcohol or more than one mixture.
4. the preparation method of the continuous lod red mud composite board according to claim 1-3 any one, its
It is characterised by comprising the following steps：
（1）Weight ratio according to claim 1 weighs raw material, makes pulpous state stock, stock is poured into after agitated machine mix and blend
Preprepared mould of plastics, carries out cloth；
（2）After the completion of cloth, add 3-10 layer glass fiber mesh in substrate overlying, then vibration, roll-forming；
（3）Red mud plate after roll-forming, gets final product the demoulding after solidifying in natural environment；
（4）Red mud plate after the demoulding is 18-25 DEG C in temperature, through 7- under the conditions of the constant temperature and humidity for 60-70% for the relative humidity
The maintenance of 10 days, after abundant combination reaction, then is cut into the high gel filled material sheet material of red mud；
（5）The sheet material of continuous fiber reinforced thermoplastic polymer composites is taped against laminboard layer upper and lower surface respectively, sends into steel
Band press；
（6）The rotary motion of steel belt pressing machine drags continuous fiber reinforced thermoplastic composite material sheet material and laminboard layer synchronously passes through steel
Hot pressing area with press and area of colding pressing, hot pressing temperature is 210-260 DEG C, and hot pressing pressure is 2-4MPa, and hot pressing time is 1-3min,
Temperature of colding pressing is 60-80 DEG C, and pressure of colding pressing is 2-4MPa, and the time of colding pressing is 1-3min, by hot pressing with cold pressing continuous fiber
Strengthen the upper and lower surface that the melting of thermoplastic polymer composite material sheet material is bonded to laminboard layer；
（7）Obtain continuous lod red mud composite board.
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| CN201510440458.3A CN105015103B (en) | 2015-07-24 | 2015-07-24 | A kind of continuous lod red mud composite board |
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| CN201510440458.3A CN105015103B (en) | 2015-07-24 | 2015-07-24 | A kind of continuous lod red mud composite board |
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| WO2018090314A1 (en) * | 2016-11-18 | 2018-05-24 | 江苏莘翔机电有限公司 | Long fiber ultra-short thermoplastic forming process |
| US20180171631A1 (en) * | 2016-12-21 | 2018-06-21 | Eastman Chemical Company | Polyester-based tape composites for construction panel reinforcement |
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| JPH1044322A (en) * | 1996-08-01 | 1998-02-17 | Unitika Ltd | Composite laminated material |
| CN101823869B (en) * | 2010-04-26 | 2012-07-25 | 核工业烟台同兴实业有限公司 | Fiber reinforced magnesium oxychloride red mud plate and preparation method |
| CN102911433A (en) * | 2012-07-18 | 2013-02-06 | 江苏雅泰新材料有限公司 | Long fiberglass-reinforced polypropylene composite material and preparation method thereof |
| CN102766290B (en) * | 2012-07-31 | 2014-07-09 | 王鸿 | Hot pressed plate and production method and application thereof |
| CN104228295A (en) * | 2013-06-14 | 2014-12-24 | 北京化工大学 | Moulding equipment and method for reinforced thermoplastic cellular composite sheet material by continuous glass fiber pre-dip polypropylene sheet material |
| CN104290372B (en) * | 2014-07-25 | 2016-02-24 | 北京化工大学 | A kind of continuous fiber reinforced thermoplastic polymer temperature control panel |
| CN104310922B (en) * | 2014-10-08 | 2016-08-31 | 上海鹰必讯再生资源科技发展有限公司 | The modified oxidized magnesium sheet material of fiber reinforcement red mud and preparation method |
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