CN105523743B - A kind of nano whisker excites heat-insulation layer brushing gypsum and preparation method thereof - Google Patents
A kind of nano whisker excites heat-insulation layer brushing gypsum and preparation method thereof Download PDFInfo
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- CN105523743B CN105523743B CN201510909819.4A CN201510909819A CN105523743B CN 105523743 B CN105523743 B CN 105523743B CN 201510909819 A CN201510909819 A CN 201510909819A CN 105523743 B CN105523743 B CN 105523743B
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- 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
- C04B28/14—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 calcium sulfate cements
- C04B28/145—Calcium sulfate hemi-hydrate with a specific crystal form
- C04B28/146—Calcium sulfate hemi-hydrate with a specific crystal form alpha-hemihydrate
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Building Environments (AREA)
Abstract
Heat-insulation layer brushing gypsum and preparation method thereof is excited the invention discloses a kind of nano whisker, by the inorganic gel of corresponding parts by weight, nano whisker exciting agent, molding powder, inorganic filler, lightweight aggregate, additive is added in the single shaft coulter type mixer with quick fly cutter, it is that nano whisker excites heat-insulation layer brushing gypsum after being well mixed while adding the lightweight aggregate of corresponding proportion after well mixed in feeding barrel mixer.Beneficial effects of the present invention are：Unit weight is small, and uniformity is good, is difficult isolation；Fresh mortar sag resistance is good, construction workability energy is good, and delamination degree is small；Mortar hardening body water proof anti-seepage, freeze thawing resistance, cracking resistance, anti-hollowing, dry density are small, thermal conductivity factor is low, intensity is high, durability is good.
Description
Technical field
The invention belongs to building material technical field, more particularly to a kind of nano whisker excite heat-insulation layer brushing gypsum and
Its preparation method.
Background technology
In recent years, with the promotion energetically of national policy, China's building energy saving industry quickly grows, occurred in that with styrofoam
For the organic board class insulation material of representative；Using inorganic kervit microbead insulated sand slurry as the inorganic heat insulation mortar of representative；With rubber powder
Granular polystyrene is the organic and inorganic complex heat-preservation sand material of representative.But organic board class insulation material fire protecting performance is poor and basic unit
Wall bonding force is not strong, short life, often have build house occur fire and heat-insulation layer come off smash pedestrian, vehicle report；
Inorganic heat insulation mortar due to the advantages of fire protecting performance is good, intensity is high, having obtained popularization energetically, but with organic insulation material phase
Than dry density itself is big, and thermal conductivity factor is high, is not suitable for using in China's cold and severe cold area, its development receives the very day of one's doom
System；Although adhesive polystyrene granule heat-insulating mortar thermal conductivity factor is low, fire protecting performance is good, granular polystyrene and inorganic gel component interface
With reference to loosely, low intensity, too big additionally, due to inorganic gel component and the density difference of organic granular polystyrene, isolation problem is difficult to
Solve, product quality is difficult to control.
The content of the invention
The purpose of the present invention, which is that, overcomes that above-mentioned not enough there is provided a kind of thermal conductivity factor using nano whisker as exciting agent
Low, intensity is high, good endurance, superior organo-mineral complexing heat-insulation layer brushing gypsum of workability and preparation method thereof.
To reach above-mentioned purpose, the present invention is implemented according to following technical scheme：
A kind of nano whisker excites heat-insulation layer brushing gypsum, includes the component of following mass fraction：
20-50 parts of inorganic gel
0.001-0.1 parts of nano whisker exciting agent
Molding powder is more than 0 part, less than or equal to 40 parts
Inorganic filler is more than 0 part, less than or equal to 40 parts
20-55 parts of lightweight aggregate
0.1-1 parts of additive.
Further, described inorganic coagulation material is the high-strength plaster of Paris of α types.
Further, described nano whisker exciting agent is：Nano zine oxide, nano tin dioxide, nano-zinc stannate, nanometer
One or more mixtures in zinc metastannate and nano zinc hydroxyl stannate.
Further, described molding powder is that waste and old cable skin crushes the molding powder being made, and granularity requirements are：0.15mm side
Hole sizer tails over≤5%.
Further, described inorganic filler is in agstone, slag powders, one-level flyash, talcum powder and bentonite
One or more mixtures.
Further, described lightweight aggregate is glass bead and glass bead fine powder, glass bead and glass bead fine powder
Mass ratio be 10:1-3:1；Glass bead particle diameter requires that 4.75mm square hole screens all pass through, and bulk density is 90-
120 kg/m³。
Further, described additive can be divided again by 0.06-0.5 parts of 200,000 viscosity hydroxypropylmethyl cellulose, flexibility
Dissipate 0.1-0.5 parts of latex powder, 0.01-0.05 parts of starch ether, 0.05-0.6 parts of silicon ash, melamine type high efficiency water reducing agent 0.05-0.25
Part, 0.05-0.5 parts of organosilicon powder water-repelling agent, 0.06-0.2 parts of 6mm polypropylene fibres, 0.06-0.2 parts of wood fibre, poly- second
0.01-0.3 parts of enol, 0.01-0.1 parts of groups of 0.1-0.5 parts of high protein calcium sulphate retarder and α olefin sulfonate class air entraining agent
Into.
A kind of nano whisker excites the preparation method of heat-insulation layer brushing gypsum, comprises the following steps：
（1）Weigh respectively parts by weight be 20-50 part inorganic gel, 0.001-0.1 parts of nano whisker exciting agent, greatly
It is less than or equal to 40 parts of molding powder, the inorganic filler more than 0 part less than or equal to 40 parts and 0.1-1 parts of additive in 0 part, it is standby
With；
（2）By step（1）Each raw material of gained is added in the single shaft coulter type mixer with quick fly cutter, and mixing is equal
It is even, it is standby；
（3）By step（2）In the described raw material mixed feeding barrel mixer, while 20-55 parts of addition is light
Aggregate, is that nano whisker excites heat-insulation layer brushing gypsum after being well mixed.
Compared with prior art, beneficial effects of the present invention are：
（1）The nano whisker of the present invention excites that heat-insulation layer brushing gypsum unit weight is small, and uniformity is good, is difficult isolation；New sand cutting
Slurry sag resistance is good, construction workability energy is good, and delamination degree is small；Mortar hardening body water proof anti-seepage, freeze thawing resistance, cracking resistance, anti-hollowing,
Dry density is small, thermal conductivity factor is low, intensity is high, durability is good.
（2）The present invention crushes the molding powder being made as filler using waste and old cable skin, partly or entirely replaces inorganic glass
Change the inorganic filler in bead thermal insulation mortar, on the one hand can reduce the dry density after thermal insulation mortar hardening, reduce thermal conductivity factor；Separately
On the one hand Plastic solid waste can be made full use of, accomplishes to turn waste into wealth.It is raw because molding powder and bonding component are all powdery
Production process is less prone to isolation problem.
（3）The present invention, as exciting agent, can fully improve the early hydration speed of inorganic gel component using nano whisker,
Be effectively improved the interracial contact situation of inorganic gel component and organic plastics powder, improve it is organic and inorganic between interface binding power,
Improve the intensity of thermal insulation mortar hardenite.
Embodiment
With reference to specific embodiment, the invention will be further described, the illustrative examples and explanation invented herein
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1
A kind of nano whisker excites the preparation method of heat-insulation layer brushing gypsum, and each raw material is specific to prepare in terms of parts by weight
Method is as follows：
By 33 parts of the high-strength plaster of Paris of α types, 0.02 part of nano tin dioxide, 20 parts of molding powder, hydroxypropyl methyl cellulose
0.12 part, 0.15 part of redispersable latex powder, 0.02 part of starch ether, 0.06 part of silicon ash, 0.05 part of water reducer, water-repelling agent 0.15
Part, 0.11 part of polypropylene fibre, 0.08 part of wood fibre, 0.04 part of polyvinyl alcohol, 0.15 part of high protein calcium sulphate retarder and
0.05 part of air entraining agent, which is added in the plough coulter type single shaft mixer with quick fly cutter, to be well mixed, and the material mixed is sent into and rolled
In kneader, while adding 40 parts of glass bead in drum mixer, 6 parts of glass bead fine powder is well mixed as
Nano whisker excites heat-insulation layer brushing gypsum.
Embodiment 2
A kind of nano whisker excites the preparation method of heat-insulation layer brushing gypsum, and each raw material is specific to prepare in terms of parts by weight
Method is as follows：
By 39 parts of the high-strength plaster of Paris of α types, 0.006 part of nano-zinc stannate, 0.014 part of nano zine oxide, 10 parts of molding powder,
0.12 part of hydroxypropyl methyl cellulose, 0.2 part of redispersable latex powder, 0.02 part of starch ether, 0.08 part of silicon ash, water reducer 0.05
Part, 0.1 part of water-repelling agent, 0.1 part of polypropylene fibre, 0.07 part of wood fibre, 0.02 part of polyvinyl alcohol, high protein gypsum slow setting
0.02 part of 0.2 part of agent and air entraining agent are added in the plough coulter type single shaft mixer with quick fly cutter and are well mixed, by what is mixed
In raw material feeding barrel mixer, while adding 40 parts of glass bead in drum mixer, 10 parts of glass bead fine powder is mixed
Close is uniformly that nano whisker excites heat-insulation layer brushing gypsum.
Embodiment 3
A kind of nano whisker excites the preparation method of heat-insulation layer brushing gypsum, and each raw material is specific to prepare in terms of parts by weight
Method is as follows：
By 40 parts of the high-strength plaster of Paris of α types, 0.02 part of nano zinc hydroxyl stannate, 10 parts of molding powder, 3 parts of one-level flyash,
4 parts of calcium-base bentonite, 38 parts of glass bead, 4 parts of glass bead fine powder, 0.1 part of methylcellulose, redispersable latex powder 0.2
Part, 0.02 part of starch ether, 0.06 part of silicon ash, 0.1 part of water reducer, 0.05 part of water-repelling agent, 0.1 part of polypropylene fibre, wood fibre
0.06 part, 0.05 part of polyvinyl alcohol, 0.04 part of 0.2 part of high protein calcium sulphate retarder and air entraining agent add and carry quick fly cutter
It is well mixed, the material mixed is sent into barrel mixer, while in drum mixer in plough coulter type single shaft mixer
Middle 38 parts of glass bead of addition, 4 parts of glass bead fine powder, well mixed is that nano whisker excites heat-insulation layer brushing gypsum.
The detection of heat-insulation layer brushing gypsum performance indications
Heat-insulation layer brushing gypsum is excited to carry out performance detection obtained nano whisker described in embodiment 1-3.Wherein, accumulate
The assay method of density is with reference to GB/T 20473-2006《Building heat-insulating mortar》Middle appendix A is tested.The measure of thermal conductivity factor
Method is with reference to GB/T 10294-1998《Technology of Steady State Thermal Resistance of Thermal Insulating Material and the measure Guarded hot plate about characteristic》In regulation enter
OK.The assay method of coefficient of softing is with reference to JGJ51-2002《Lightweight aggregate concrete technology code》In method carry out.Dry density
Assay method with compression strength is with reference to GB/ T20473-2006《Building heat-insulating mortar》Middle Appendix B and appendix C carry out test specimen into
Type.After sample completes, covered with polyethylene film, be in temperature（20±5）Conserved in the environment of DEG C（48±8）Taken off after h
Mould, continuation, to 14d, removes membrane curing to being tested after 28d with polyethylene film parcel maintenance.
Heat-insulation layer brushing gypsum performance indications obtained by embodiment 1-3 are as shown in table 1.
Heat-insulation layer brushing gypsum performance indications obtained by the embodiment 1-3 of table 1
Technical scheme is not limited to the limitation of above-mentioned specific embodiment, and every technique according to the invention scheme is done
The technology deformation gone out, each falls within protection scope of the present invention.
Claims (5)
1. a kind of nano whisker excites heat-insulation layer brushing gypsum, it is characterised in that include the raw material of following parts by weight：
20-50 parts of inorganic gel,
0.001-0.1 parts of nano whisker exciting agent,
Molding powder is more than 0 part, less than or equal to 40 parts,
Inorganic filler is more than 0 part, less than or equal to 40 parts,
20-55 parts of lightweight aggregate,
0.1-1 parts of additive,
Inorganic coagulation material is the high-strength plaster of Paris of α types；
Described lightweight aggregate is glass bead and glass bead fine powder, and the mass ratio of glass bead and glass bead fine powder is
10:1-3:1, the glass bead particle diameter requires that 4.75mm square hole screens all pass through, and bulk density is 90-120 kg/m3；
Described additive is by 0.06-0.5 parts of 200,000 viscosity hydroxypropylmethyl cellulose, flexible redispersable latex powder 0.1-
0.5 part, 0.01-0.05 parts of starch ether, 0.05-0.6 parts of silicon ash, 0.05-0.25 parts of melamine type high efficiency water reducing agent, organosilicon powder
0.05-0.5 parts of water-repelling agent, 0.06-0.2 parts of 6mm polypropylene fibres, 0.06-0.2 parts of wood fibre, polyvinyl alcohol 0.01-0.3
Part, 0.01-0.1 parts of compositions of 0.1-0.5 parts of high protein calcium sulphate retarder and α olefin sulfonate class air entraining agent.
2. a kind of nano whisker according to claim 1 excites heat-insulation layer brushing gypsum, it is characterised in that described nanometer
Whisker exciting agent is：In nano zine oxide, nano tin dioxide, nano-zinc stannate, nanometer zinc metastannate and nano zinc hydroxyl stannate
One or more mixtures.
3. a kind of nano whisker according to claim 1 excites heat-insulation layer brushing gypsum, it is characterised in that described plastics
Powder is crushed by waste and old cable skin and is made, and granularity requirements are that 0.15mm square hole screens tail over≤5%.
4. a kind of nano whisker according to claim 1 excites heat-insulation layer brushing gypsum, it is characterised in that described is inorganic
Filler is one or more mixtures in agstone, slag powders, one-level flyash, talcum powder and bentonite.
5. the nano whisker according to claim 1-4 any one excites the preparation method of heat-insulation layer brushing gypsum, it is special
Levy and be, comprise the following steps：
（1）Parts by weight are weighed respectively for 20-50 parts of inorganic gel, 0.001-0.1 parts of nano whisker exciting agent, more than 0
Part is less than or equal to 40 parts of molding powder, the inorganic filler more than 0 part less than or equal to 40 parts and 0.1-1 parts of additive, standby；
（2）By step（1）Each raw material of gained is added in the single shaft coulter type mixer with quick fly cutter, is well mixed, standby
With；
（3）By step（2）In the described raw material mixed feeding barrel mixer, while 20-55 parts of lightweight aggregate is added,
It is that nano whisker excites heat-insulation layer brushing gypsum after well mixed.
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| CN100430332C (en) * | 2006-11-09 | 2008-11-05 | 赵云龙 | Thermal insulation material and its preparing process and usage |
| CN100465127C (en) * | 2007-06-11 | 2009-03-04 | 赵云龙 | Wall heat-insulating rubber powder material and preparation method and using method thereof |
| CN102190474A (en) * | 2010-03-12 | 2011-09-21 | 上海晋马建材有限公司 | Waterproof plaster mortar for dihydrate desulfurized gypsum aerated concrete and production method thereof |
| CN102190472A (en) * | 2010-03-12 | 2011-09-21 | 上海晋马建材有限公司 | Dihydrate desulfurized water-resistant gypsum heat-insulation mortar, and production method thereof |
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| CN102219467B (en) * | 2011-04-06 | 2013-03-06 | 上海大学 | Preparation method of inorganic heat-preserving material |
| CN103214228B (en) * | 2013-03-19 | 2014-08-13 | 公安部天津消防研究所 | Inorganic fireproof heat-insulating material and preparation method thereof |
| CN103360016A (en) * | 2013-06-27 | 2013-10-23 | 上海宇培特种建材有限公司 | Environment-friendly type inorganic insulating material and preparation method thereof |
| CN103755298B (en) * | 2013-12-07 | 2016-05-11 | 马鞍山市金韩防水保温工程有限责任公司 | A kind of desulfurized gypsum base polyphenyl particle heat insulation mortar |
| CN103922686B (en) * | 2014-03-14 | 2016-06-22 | 昆明理工大学 | A kind of ardealite waste plastics slag materials for wall and preparation method |
| CN104478383B (en) * | 2014-11-20 | 2017-01-25 | 湖南有色环保建材有限公司 | Inorganic heat-insulating mortar and preparation method thereof |
| CN105130354B (en) * | 2015-07-13 | 2017-09-15 | 美巢集团股份公司 | A kind of plastering gupsum and preparation method thereof |
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Address after: 454950 Wuzhi County, Jiaozuo City, Henan Province before the township of Liu Zhuang, Jiaozuo strong building materials Co., Ltd. Patentee after: Henan strong new material Limited by Share Ltd Address before: 454950 Wuzhi County, Jiaozuo City, Henan Province before the township of Liu Zhuang, Jiaozuo strong building materials Co., Ltd. Patentee before: JIAOZUO QIANGNAI BUILDING MATERIALS CO., LTD. |
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