CN107892525A - A kind of crack resistence flexible clay facing tile - Google Patents
A kind of crack resistence flexible clay facing tile Download PDFInfo
- Publication number
- CN107892525A CN107892525A CN201711108237.1A CN201711108237A CN107892525A CN 107892525 A CN107892525 A CN 107892525A CN 201711108237 A CN201711108237 A CN 201711108237A CN 107892525 A CN107892525 A CN 107892525A
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- China
- Prior art keywords
- parts
- facing tile
- crack resistence
- clay facing
- flexible clay
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- 239000004927 clay Substances 0.000 title claims abstract description 34
- 239000000839 emulsion Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 34
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 34
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract description 32
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 229910000077 silane Inorganic materials 0.000 claims abstract description 29
- 239000004568 cement Substances 0.000 claims abstract description 23
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 18
- 239000013078 crystal Substances 0.000 claims abstract description 18
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002562 thickening agent Substances 0.000 claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 238000007731 hot pressing Methods 0.000 claims abstract description 10
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000004576 sand Substances 0.000 claims abstract description 5
- 239000004113 Sepiolite Substances 0.000 claims abstract description 3
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 50
- 241000209094 Oryza Species 0.000 claims description 31
- 235000007164 Oryza sativa Nutrition 0.000 claims description 31
- 239000010903 husk Substances 0.000 claims description 31
- 235000009566 rice Nutrition 0.000 claims description 31
- 239000012188 paraffin wax Substances 0.000 claims description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 17
- 238000005253 cladding Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000011398 Portland cement Substances 0.000 claims description 10
- 206010042674 Swelling Diseases 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 229920001909 styrene-acrylic polymer Polymers 0.000 claims description 8
- 230000008961 swelling Effects 0.000 claims description 8
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical group CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 229940083466 soybean lecithin Drugs 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 3
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 3
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 3
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000011402 Portland pozzolan cement Substances 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 210000002969 egg yolk Anatomy 0.000 claims description 3
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 3
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 3
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 239000008267 milk Substances 0.000 claims description 3
- 210000004080 milk Anatomy 0.000 claims description 3
- 235000013336 milk Nutrition 0.000 claims description 3
- 150000003904 phospholipids Chemical class 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002174 Styrene-butadiene Substances 0.000 claims description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims description 2
- 239000001923 methylcellulose Substances 0.000 claims description 2
- 235000010981 methylcellulose Nutrition 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 239000011115 styrene butadiene Substances 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 claims 1
- 229910003978 SiClx Inorganic materials 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 239000011268 mixed slurry Substances 0.000 abstract description 14
- 239000004566 building material Substances 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 14
- 239000012141 concentrate Substances 0.000 description 10
- 210000002966 serum Anatomy 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229920002545 silicone oil Polymers 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 229940053652 fluorinse Drugs 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 239000011468 face brick Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002085 enols Chemical class 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000011118 polyvinyl acetate Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009766 low-temperature sintering Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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
- C04B28/04—Portland 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1044—Bituminous materials
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
- C04B24/42—Organo-silicon compounds
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of crack resistence flexible clay facing tile, belong to building material technical field.The present invention is by cement, dry sand, sepiolite, coat tetraethyl orthosilicate microballoon, emulsion, thickener, water, silane coupler, silicon nitride crystal whisker, phosphatide, polyvinyl alcohol liquid is placed in mixture machine, under the conditions of rotating speed is 100~200r/min, it is stirred 10~20min, obtain mixed slurry, releasing agent is sprayed into mould again, then mixed slurry is injected in mould, mould is placed in hot press again, in temperature be 100~120 DEG C, under the conditions of pressure is 1.2~1.5MPa, 3~5min of hot pressing, obtain adobe, then adobe is placed in baking oven and dried, the demoulding, produce crack resistence flexible clay facing tile.Crack resistence flexible clay facing tile prepared by technical solution of the present invention has excellent mechanical property and flexible feature, effectively can prevent flexible clay facing tile from being ftractureed in the case of stress.
Description
Technical field
The invention discloses a kind of crack resistence flexible clay facing tile, belong to building material technical field.
Background technology
In wall thermal insulation technology, external wall heat insulation system occupies critical role, in conventional outer wall external thermal insulation finishing material such as
Coating, ceramic tile etc., the shortcomings of resistance to soiling, durability and security difference be present, limit its development and application significantly.Traditional ceramics face brick
Larger safety issue be present as external wall heat insulation system finish coat has：（1）From great, high-altitude is hurted sb.'s feelings hidden after coming off
Suffer from.（2）Warm and humid shear stress is big, influences the attachment security of face brick.（3）Poor air permeability, the probability that freeze-thaw damage occurs are big.
（4）Warm and humid tension is big, is easy to ftracture at brickwork joint.
Flexible clay facing tile is using inorganic material as primary raw material, is adjusted with aqueous polymer emulsion and other auxiliary agents
Match somebody with somebody, the flexible finishing material being process through special process.Its as new exterior wall heat preservation decorative lamination material, water repellency,
Gas permeability, weatherability and security etc. can meet the requirement of exterior wall heat preservation decorative lamination brick performance, and outward appearance simulation quality it is strong,
Color is various, handsome in appearance, and its research is of increased attention, but its pliability and mechanical property also have very big carry
Between lift-off.Flexible face brick product is broadly divided into three major types at present：The first kind is cement base modified product.Such product passes through in water
Organic polymer is added in cement-based material to be modified cement base, is molded by certain moulding process, after natural drying
Overlay treatment is carried out on its surface, forms flexible face brick product.Cement base products are influenceed by the characteristic of cement cementitious material, are existed
The defects of curing cycle is long, the easy accumulation of salt in the surface soil.Second class is organically-modified inorganic mineral product.By certain moulding process, 400
The shaping of DEG C low-temperature sintering.Such product cost is higher, and needs the sintering process by certain temperature, and energy consumption is high.3rd
Class is organically-modified natural colour sand product.It is current by special moulding process, 80 DEG C~100 DEG C drying formings, such product
The defects of water resistance deficiency, water absorption rate height, be not easy to bond be present.
Therefore, the shortcomings that how improving conventional flex tapestry brick mechanical property and bad pliability, to obtain higher synthesis
The flexible clay facing tile of performance, it is that it is promoted and applied, meets industrial production demand urgent problem to be solved.
The content of the invention
The present invention solves the technical problem of：Lacked for conventional flex tapestry brick mechanical property and pliability are bad
A kind of point, there is provided crack resistence flexible clay facing tile.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of crack resistence flexible clay facing tile, is made up of the raw material of following parts by weight：20~30 parts of cement, 60~80 parts dry
Sand, 10~20 parts of sepiolites, 5~8 parts of cladding tetraethyl orthosilicate microballoons, 10~20 parts of emulsions, 1~2 part of thickener, 50~60 parts
Water, 5~8 parts of silane couplers, 8~10 parts of silicon nitride crystal whiskers, 8~10 parts of phosphatide, 10~20 parts of polyvinyl alcohol liquid；
The preparation process of the crack resistence flexible clay facing tile is：Each raw material is weighed by raw material composition, by cement, dry sand, sepiolite,
Coat tetraethyl orthosilicate microballoon, emulsion, thickener, water, silane coupler, silicon nitride crystal whisker, phosphatide and the stirring of polyvinyl alcohol liquid
Mixing, injection molding, hot pressing, dry, the demoulding, produce crack resistence flexible clay facing tile.
The cement is portland cement, any one in Portland cement or portland-pozzolan cement.
It is described cladding tetraethyl orthosilicate microballoon preparation process be：Heating paraffin is melted, obtains paraffin melting liquid, by weight
Number meter, 10~20 parts of paraffin melting drops are entered in 20~30 parts of tetraethyl orthosilicates, filtered, it is micro- to produce cladding tetraethyl orthosilicate
Ball.
The emulsion is styrene-acrylic emulsion, polyvinyl acetate emulsion, styrene-butadiene emulsion, acrylonitrile-butadiene rubber latex, acrylic emulsion or
Any one in silicone acrylic emulsion.
The thickener is polyvinyl alcohol, methylcellulose, hydroxypropyl cellulose, hydroxyethyl cellulose or polyacrylate
In any one.
The silane coupler is silane resin acceptor kh-550, in silane coupler KH-560 or Silane coupling reagent KH-570
Any one.
The preparation process of the silicon nitride crystal whisker is：Rice husk nitrogen charging is incubated and carbonized, cooling, obtains charring rice husk, by weight
Number meter, by 10~20 parts of charring rice husks, 30~40 parts of Fluorinses and 2~3 parts of nanometer iron powders are stirred, and decompression is dense
Contracting, dry, nitrogen charging pyroreaction, cooling, produce silicon nitride crystal whisker.
The phosphatide is soybean lecithin, any one in milk phosphatide or yolk phospholipid.
The preparation process of the polyvinyl alcohol liquid is：By polyvinyl alcohol and water in mass ratio 1：50~1：100 mixing swellings
Afterwards, heating stirring dissolves, and produces polyvinyl alcohol liquid.
The beneficial effects of the invention are as follows：
The present invention coats tetraethyl orthosilicate microballoon by adding, and in hot pressing, cladding tetraethyl orthosilicate microballoon is crushed, interior
The tetraethyl orthosilicate in portion is exposed, on the one hand, tetraethyl orthosilicate reacts with water, generates silica, the silica of generation
It is filled in system, strengthens the mechanical property of system, on the other hand, tetraethyl orthosilicate causes emulsion strand to keep adjacent crosslinking
Chain length between point is more than the length of similarity condition segment, so results in big structure segment and is not easy activity, and small structure segment is protected
Hold fairly good locomitivity, by the rigidity of crosslink polymer network and segment obtain it is flexible unite, it is high to not only improve performance
The effect of rigid structure in strand, and can play the effect of flexible structure, are fitted in addition, adjusting macromolecule by tetraethyl orthosilicate
Degree crosslinking can also destroy the regularity of macromolecule aggregation state to a certain degree, suppress the orientation in macromolecular chain deformation process and crystallization
Trend, the mechanical strength of system can be lifted, and can improves the elasticity of system, so as to strengthen the mechanical property of system.
Embodiment
Paraffin is placed in crucible, under the conditions of temperature is 40~60 DEG C, heating is melted completely up to paraffin, is obtained paraffin and is melted
Change liquid, count in parts by weight, 10~20 parts of paraffin melting drops are entered in 20~30 parts of tetraethyl orthosilicates, obtain mixed serum, with
Mixed serum is filtered afterwards, produces cladding tetraethyl orthosilicate microballoon；Rice husk is placed in retort, and with 60~90mL/min speed
Rate is filled with nitrogen into stove, under the conditions of temperature is 450~600 DEG C, nitrogen charging insulation 2~3h of charing, is down to room temperature with stove, obtains charcoal
Change rice husk, count in parts by weight, by 10~20 parts of charring rice husks, Fluorinse that 30~40 parts of mass fractions are 8~10% and
2~3 parts of nanometer iron powder stirrings are placed in No. 1 beaker, under the conditions of 500~600r/min of rotating speed, are stirred, are obtained mixed liquor,
Mixed liquor is placed in Rotary Evaporators again, is 60~80 DEG C in temperature, pressure is 500~800kPa, and rotating speed is 50~80r/
Under the conditions of min, be concentrated under reduced pressure 30~50min, obtains concentrate, then concentrate is placed in baking oven, in temperature be 105~110
Under the conditions of DEG C, dry, obtain pretreatment charring rice husk, then pretreatment charring rice husk is placed in sintering furnace, and with 60~90mL/
Min speed is filled with nitrogen into stove, under the conditions of temperature is 1400~1600 DEG C, nitrogen charging 2~3h of insulation reaction, room is down to stove
Temperature, produce silicon nitride crystal whisker；By polyvinyl alcohol and water in mass ratio 1：50~1：100 add in No. 2 beakers, are stirred with glass bar
After mixing 20~30min, 3~4h of swelling is stood, then No. 2 beakers are moved into digital displays and tested the speed constant temperature blender with magnetic force, be in temperature
95~100 DEG C, under the conditions of rotating speed is 400~500r/min, heating stirring dissolves 40~50min, produces polyvinyl alcohol liquid；By weight
Number meter is measured, by 20~30 parts of cement, 60~80 parts of dry sands, 10~20 parts of sepiolites, 5~8 parts coat tetraethyl orthosilicate microballoons,
10~20 parts of emulsions, 1~2 part of thickener, 50~60 parts of water, 5~8 parts of silane couplers, 8~10 parts of silicon nitride crystal whiskers, 8~10
Part phosphatide, 10~20 parts of polyvinyl alcohol liquid are placed in mixture machine, under the conditions of rotating speed is 100~200r/min, are stirred 10
~20min, mixed slurry is obtained, then releasing agent is sprayed into mould, then injected mixed slurry in mould, then mould is placed in
In hot press, it is 100~120 DEG C in temperature, under the conditions of pressure is 1.2~1.5MPa, 3~5min of hot pressing, obtains adobe, then will
Adobe is placed in baking oven and dried, and the demoulding, produces crack resistence flexible clay facing tile.The cement is portland cement, normal silicate
Any one in cement or portland-pozzolan cement.The emulsion is styrene-acrylic emulsion, polyvinyl acetate emulsion, butylbenzene breast
Any one in liquid, acrylonitrile-butadiene rubber latex, acrylic emulsion or silicone acrylic emulsion.The thickener is polyvinyl alcohol, and methyl is fine
Dimension is plain, hydroxypropyl cellulose, any one in hydroxyethyl cellulose or polyacrylate.The silane coupler is that silane is even
Join agent KH-550, any one in silane coupler KH-560 or Silane coupling reagent KH-570.The phosphatide is soybean lecithin,
Any one in milk phosphatide or yolk phospholipid.The releasing agent is by water-based silicone oil emulsion and water in mass ratio 1：30~1：50
Mixed configuration forms.
Example 1
Paraffin is placed in crucible, under the conditions of temperature is 60 DEG C, heating is melted completely up to paraffin, is obtained paraffin melting liquid, is pressed
Parts by weight meter, 20 parts of paraffin melting drops are entered in 30 parts of tetraethyl orthosilicates, obtain mixed serum, then by mixed serum mistake
Filter, produce cladding tetraethyl orthosilicate microballoon；Rice husk is placed in retort, and nitrogen is filled with into stove with 90mL/min speed,
Under the conditions of temperature is 600 DEG C, nitrogen charging insulation charing 3h, room temperature is down to stove, charring rice husk is obtained, counts in parts by weight, by 20
Part charring rice husk, the Fluorinse and 3 parts of nanometer iron powders stirrings that 40 parts of mass fractions are 10% are placed in No. 1 beaker, in rotating speed
Under the conditions of 600r/min, be stirred, obtain mixed liquor, then mixed liquor is placed in Rotary Evaporators, in temperature be 80 DEG C, pressure
For 800kPa, under the conditions of rotating speed is 80r/min, be concentrated under reduced pressure 50min, obtains concentrate, then concentrate is placed in baking oven, in
Under the conditions of temperature is 110 DEG C, dry, obtain pretreatment charring rice husk, then pretreatment charring rice husk is placed in sintering furnace, and with
90mL/min speed is filled with nitrogen into stove, under the conditions of temperature is 1600 DEG C, nitrogen charging insulation reaction 3h, room temperature is down to stove,
Produce silicon nitride crystal whisker；By polyvinyl alcohol and water in mass ratio 1：100 are added in No. 2 beakers, and 30min is stirred with glass bar
Afterwards, stand swelling 4h, then No. 2 beakers moved into digital displays and tested the speed constant temperature blender with magnetic force, in temperature be 100 DEG C, rotating speed 500r/
Under the conditions of min, heating stirring dissolving 50min, polyvinyl alcohol liquid is produced；Count in parts by weight, by 30 parts of cement, 80 parts of dry sands,
20 parts of sepiolites, 8 parts of cladding tetraethyl orthosilicate microballoons, 20 parts of emulsions, 2 parts of thickeners, 60 parts of water, 8 parts of silane couplers, 10 parts
Silicon nitride crystal whisker, 10 parts of phosphatide, 20 parts of polyvinyl alcohol liquid are placed in mixture machine, and under the conditions of rotating speed is 200r/min, stirring is mixed
20min is closed, obtains mixed slurry, then releasing agent is sprayed into mould, is then injected mixed slurry in mould, then mould is placed in
In hot press, it is 120 DEG C in temperature, under the conditions of pressure is 1.5MPa, hot pressing 5min, obtains adobe, adobe is then placed in baking oven
Middle drying, the demoulding, produces crack resistence flexible clay facing tile.The cement is portland cement.The emulsion is styrene-acrylic emulsion.It is described
Thickener is polyvinyl alcohol.The silane coupler is silane resin acceptor kh-550.The phosphatide is soybean lecithin.The demoulding
Agent is by water-based silicone oil emulsion and water in mass ratio 1：50 mixed configurations form.
Example 2
Paraffin is placed in crucible, under the conditions of temperature is 60 DEG C, heating is melted completely up to paraffin, is obtained paraffin melting liquid, is pressed
Parts by weight meter, 20 parts of paraffin melting drops are entered in 30 parts of tetraethyl orthosilicates, obtain mixed serum, then by mixed serum mistake
Filter, produce cladding tetraethyl orthosilicate microballoon；Rice husk is placed in retort, and nitrogen is filled with into stove with 90mL/min speed,
Under the conditions of temperature is 600 DEG C, nitrogen charging insulation charing 3h, room temperature is down to stove, charring rice husk is obtained, counts in parts by weight, by 20
Part charring rice husk, the Fluorinse and 3 parts of nanometer iron powders stirrings that 40 parts of mass fractions are 10% are placed in No. 1 beaker, in rotating speed
Under the conditions of 600r/min, be stirred, obtain mixed liquor, then mixed liquor is placed in Rotary Evaporators, in temperature be 80 DEG C, pressure
For 800kPa, under the conditions of rotating speed is 80r/min, be concentrated under reduced pressure 50min, obtains concentrate, then concentrate is placed in baking oven, in
Under the conditions of temperature is 110 DEG C, dry, obtain pretreatment charring rice husk, then pretreatment charring rice husk is placed in sintering furnace, and with
90mL/min speed is filled with nitrogen into stove, under the conditions of temperature is 1600 DEG C, nitrogen charging insulation reaction 3h, room temperature is down to stove,
Produce silicon nitride crystal whisker；By polyvinyl alcohol and water in mass ratio 1：100 are added in No. 2 beakers, and 30min is stirred with glass bar
Afterwards, stand swelling 4h, then No. 2 beakers moved into digital displays and tested the speed constant temperature blender with magnetic force, in temperature be 100 DEG C, rotating speed 500r/
Under the conditions of min, heating stirring dissolving 50min, polyvinyl alcohol liquid is produced；Count in parts by weight, by 30 parts of cement, 80 parts of dry sands, 8
Part cladding tetraethyl orthosilicate microballoon, 20 parts of emulsions, 2 parts of thickeners, 60 parts of water, 8 parts of silane couplers, 10 parts of silicon nitride crystal whiskers,
10 parts of phosphatide, 20 parts of polyvinyl alcohol liquid are placed in mixture machine, under the conditions of rotating speed is 200r/min, is stirred 20min, obtains mixed
Slurry is closed, then releasing agent is sprayed into mould, then injects mixed slurry in mould, then mould is placed in hot press, in
Temperature is 120 DEG C, under the conditions of pressure is 1.5MPa, hot pressing 5min, obtains adobe, and then adobe is placed in baking oven and dried, the demoulding,
Produce crack resistence flexible clay facing tile.The cement is portland cement.The emulsion is styrene-acrylic emulsion.The thickener is poly- second
Enol.The silane coupler is silane resin acceptor kh-550.The phosphatide is soybean lecithin.The releasing agent is by water-based silicone oil
Emulsion and water in mass ratio 1：50 mixed configurations form.
Example 3
Rice husk is placed in retort, and nitrogen is filled with into stove with 90mL/min speed, under the conditions of temperature is 600 DEG C, is filled
Nitrogen insulation charing 3h, is down to room temperature with stove, obtains charring rice husk, count in parts by weight, by 20 parts of charring rice husks, 40 parts of mass fractions
Fluorinse and 3 parts of nanometer iron powder stirrings for 10% are placed in No. 1 beaker, and under the conditions of rotating speed 600r/min, stirring is mixed
Close, obtain mixed liquor, then mixed liquor is placed in Rotary Evaporators, in temperature be 80 DEG C, pressure 800kPa, rotating speed 80r/
Under the conditions of min, be concentrated under reduced pressure 50min, obtains concentrate, then concentrate is placed in baking oven, under the conditions of temperature is 110 DEG C,
Dry, obtain pretreatment charring rice husk, then pretreatment charring rice husk is placed in sintering furnace, and filled with 90mL/min speed into stove
Enter nitrogen, under the conditions of temperature is 1600 DEG C, nitrogen charging insulation reaction 3h, is down to room temperature with stove, produces silicon nitride crystal whisker；By poly- second
Enol and water in mass ratio 1：100 add in No. 2 beakers, after being stirred 30min with glass bar, stand swelling 4h, then by No. 2
Beaker moves into digital display and tested the speed constant temperature blender with magnetic force, is 100 DEG C in temperature, under the conditions of rotating speed is 500r/min, heating stirring is molten
50min is solved, produces polyvinyl alcohol liquid；Count in parts by weight, by 30 parts of cement, 80 parts of dry sands, 20 parts of sepiolites, 20 parts of emulsions, 2
Part thickener, 60 parts of water, 8 parts of silane couplers, 10 parts of silicon nitride crystal whiskers, 10 parts of phosphatide, 20 parts of polyvinyl alcohol liquid are placed in mixing
Material machine, under the conditions of rotating speed is 200r/min, 20min is stirred, obtains mixed slurry, then releasing agent is sprayed into mould, with
Mixed slurry is injected in mould afterwards, then mould is placed in hot press, in temperature be 120 DEG C, under the conditions of pressure is 1.5MPa,
Hot pressing 5min, adobe is obtained, then adobe is placed in baking oven and dried, the demoulding, produces crack resistence flexible clay facing tile.The cement is
Portland cement.The emulsion is styrene-acrylic emulsion.The thickener is polyvinyl alcohol.The silane coupler is silane coupler
KH-550.The phosphatide is soybean lecithin.The releasing agent is by water-based silicone oil emulsion and water in mass ratio 1：50 mixed configurations and
Into.
Example 4
Paraffin is placed in crucible, under the conditions of temperature is 60 DEG C, heating is melted completely up to paraffin, is obtained paraffin melting liquid, is pressed
Parts by weight meter, 20 parts of paraffin melting drops are entered in 30 parts of tetraethyl orthosilicates, obtain mixed serum, then by mixed serum mistake
Filter, produce cladding tetraethyl orthosilicate microballoon；By polyvinyl alcohol and water in mass ratio 1：100 add in No. 2 beakers, are stirred with glass bar
After mixing mixing 30min, stand swelling 4h, then No. 2 beakers moved into digital displays and tested the speed constant temperature blender with magnetic force, in temperature be 100 DEG C,
Under the conditions of rotating speed is 500r/min, heating stirring dissolving 50min, polyvinyl alcohol liquid is produced；Count in parts by weight, by 30 parts of water
Mud, 80 parts of dry sands, 20 parts of sepiolites, 8 parts of cladding tetraethyl orthosilicate microballoons, 20 parts of emulsions, 2 parts of thickeners, 60 parts of water, 8 parts of silicon
Alkane coupling agent, 10 parts of phosphatide, 20 parts of polyvinyl alcohol liquid are placed in mixture machine, under the conditions of rotating speed is 200r/min, are stirred
20min, mixed slurry is obtained, then releasing agent is sprayed into mould, then injected mixed slurry in mould, then mould is placed in heat
In press, it is 120 DEG C in temperature, under the conditions of pressure is 1.5MPa, hot pressing 5min, obtains adobe, then adobe is placed in baking oven
Dry, the demoulding, produce crack resistence flexible clay facing tile.The cement is portland cement.The emulsion is styrene-acrylic emulsion.The increasing
Thick dose is polyvinyl alcohol.The silane coupler is silane resin acceptor kh-550.The phosphatide is soybean lecithin.The releasing agent
By water-based silicone oil emulsion and water in mass ratio 1：50 mixed configurations form.
Example 5
Paraffin is placed in crucible, under the conditions of temperature is 60 DEG C, heating is melted completely up to paraffin, is obtained paraffin melting liquid, is pressed
Parts by weight meter, 20 parts of paraffin melting drops are entered in 30 parts of tetraethyl orthosilicates, obtain mixed serum, then by mixed serum mistake
Filter, produce cladding tetraethyl orthosilicate microballoon；Rice husk is placed in retort, and nitrogen is filled with into stove with 90mL/min speed,
Under the conditions of temperature is 600 DEG C, nitrogen charging insulation charing 3h, room temperature is down to stove, charring rice husk is obtained, counts in parts by weight, by 20
Part charring rice husk, the Fluorinse and 3 parts of nanometer iron powders stirrings that 40 parts of mass fractions are 10% are placed in No. 1 beaker, in rotating speed
Under the conditions of 600r/min, be stirred, obtain mixed liquor, then mixed liquor is placed in Rotary Evaporators, in temperature be 80 DEG C, pressure
For 800kPa, under the conditions of rotating speed is 80r/min, be concentrated under reduced pressure 50min, obtains concentrate, then concentrate is placed in baking oven, in
Under the conditions of temperature is 110 DEG C, dry, obtain pretreatment charring rice husk, then pretreatment charring rice husk is placed in sintering furnace, and with
90mL/min speed is filled with nitrogen into stove, under the conditions of temperature is 1600 DEG C, nitrogen charging insulation reaction 3h, room temperature is down to stove,
Produce silicon nitride crystal whisker；By polyvinyl alcohol and water in mass ratio 1：100 are added in No. 2 beakers, and 30min is stirred with glass bar
Afterwards, stand swelling 4h, then No. 2 beakers moved into digital displays and tested the speed constant temperature blender with magnetic force, in temperature be 100 DEG C, rotating speed 500r/
Under the conditions of min, heating stirring dissolving 50min, polyvinyl alcohol liquid is produced；Count in parts by weight, by 30 parts of cement, 80 parts of dry sands,
20 parts of sepiolites, 8 parts of cladding tetraethyl orthosilicate microballoons, 20 parts of emulsions, 2 parts of thickeners, 60 parts of water, 8 parts of silane couplers, 10 parts
Silicon nitride crystal whisker, 20 parts of polyvinyl alcohol liquid are placed in mixture machine, under the conditions of rotating speed is 200r/min, is stirred 20min, obtains
Mixed slurry, then releasing agent is sprayed into mould, then mixed slurry is injected in mould, then mould is placed in hot press,
It is 120 DEG C in temperature, under the conditions of pressure is 1.5MPa, hot pressing 5min, obtains adobe, then adobe is placed in baking oven and dried, is taken off
Mould, produce crack resistence flexible clay facing tile.The cement is portland cement.The emulsion is styrene-acrylic emulsion.The thickener is
Polyvinyl alcohol.The silane coupler is silane resin acceptor kh-550.The releasing agent presses quality by water-based silicone oil emulsion and water
Than 1：50 mixed configurations form.
Comparative example：The flexible clay facing tile of Dongying construction material Co., Ltd production.
The crack resistence flexible clay facing tile of the gained of example 1 to 5 and comparative example product are subjected to performance detection, specific detection method
It is as follows：
1. mechanical property：Test specimen tensile strength and elongation at break are detected with reference to JG/T 311；
2. pliability：Test specimen pliability is detected with reference to JG/T 311, test specimen is just being faced outwardly to the circle for being close to diameter 200mm
Post is slowly bent, and whether observation surface of test piece is cracked.
Specific testing result is as shown in table 1：
Table 1
| Detection project | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Comparative example |
| Tensile strength/MPa | 5.3 | 4.2 | 4.5 | 3.9 | 3.7 | 2.1 |
| Elongation at break/% | 135.3 | 121.5 | 123.4 | 113.8 | 110.7 | 103.1 |
| Pliability | Flawless | Flawless | Flawless | Flawless | There are fine cracks | There is long crack |
From the testing result of table 1, crack resistence flexible clay facing tile prepared by technical solution of the present invention has excellent mechanical property
And flexible feature, effectively it can prevent flexible clay facing tile from being ftractureed in the case of stress, in the development of tapestry brick industry
Have broad prospects.
Claims (9)
- A kind of 1. crack resistence flexible clay facing tile, it is characterised in that：It is made up of the raw material of following parts by weight：20~30 parts of water Mud, 60~80 parts of dry sands, 10~20 parts of sepiolites, 5~8 parts of cladding tetraethyl orthosilicate microballoons, 10~20 parts of emulsions, 1~2 part of increasing Thick dose, 50~60 parts of water, 5~8 parts of silane couplers, 8~10 parts of silicon nitride crystal whiskers, 8~10 parts of phosphatide, 10~20 parts of polyethylene Alcohol liquid；The preparation process of the crack resistence flexible clay facing tile is：Each raw material is weighed by raw material composition, by cement, dry sand, sepiolite, Coat tetraethyl orthosilicate microballoon, emulsion, thickener, water, silane coupler, silicon nitride crystal whisker, phosphatide and the stirring of polyvinyl alcohol liquid Mixing, injection molding, hot pressing, dry, the demoulding, produce crack resistence flexible clay facing tile.
- A kind of 2. crack resistence flexible clay facing tile according to claim 1, it is characterised in that：The cement is portland cement, Any one in Portland cement or portland-pozzolan cement.
- A kind of 3. crack resistence flexible clay facing tile according to claim 1, it is characterised in that：The cladding tetraethyl orthosilicate microballoon Preparation process be：Heating paraffin is melted, paraffin melting liquid is obtained, counts in parts by weight, by 10~20 parts of paraffin melting drops Enter in 20~30 parts of tetraethyl orthosilicates, filter, produce cladding tetraethyl orthosilicate microballoon.
- A kind of 4. crack resistence flexible clay facing tile according to claim 1, it is characterised in that：The emulsion is styrene-acrylic emulsion, is gathered Any one in acetate emulsion, styrene-butadiene emulsion, acrylonitrile-butadiene rubber latex, acrylic emulsion or silicone acrylic emulsion.
- A kind of 5. crack resistence flexible clay facing tile according to claim 1, it is characterised in that：The thickener is polyvinyl alcohol, Any one in methylcellulose, hydroxypropyl cellulose, hydroxyethyl cellulose or polyacrylate.
- A kind of 6. crack resistence flexible clay facing tile according to claim 1, it is characterised in that：The silane coupler is that silane is even Join agent KH-550, any one in silane coupler KH-560 or Silane coupling reagent KH-570.
- A kind of 7. crack resistence flexible clay facing tile according to claim 1, it is characterised in that：The preparation of the silicon nitride crystal whisker Cheng Wei：Rice husk nitrogen charging is incubated and carbonized, cooling, charring rice husk is obtained, counts in parts by weight, by 10~20 parts of charring rice husks, 30~ 40 parts of Fluorinses and 2~3 parts of nanometer iron powders are stirred, and are concentrated under reduced pressure, and are dried, nitrogen charging pyroreaction, cooling, produce nitrogen SiClx whisker.
- A kind of 8. crack resistence flexible clay facing tile according to claim 1, it is characterised in that：The phosphatide is soybean lecithin, ox Any one in milk phosphatide or yolk phospholipid.
- A kind of 9. crack resistence flexible clay facing tile according to claim 1, it is characterised in that：The preparation of the polyvinyl alcohol liquid Cheng Wei：By polyvinyl alcohol and water in mass ratio 1：50~1：After 100 mixing swellings, heating stirring dissolving, polyvinyl alcohol liquid is produced.
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