CN104261784B - Warming plate special low alkalinity bonding is wiped one's face integrated mortar - Google Patents
Warming plate special low alkalinity bonding is wiped one's face integrated mortar Download PDFInfo
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- CN104261784B CN104261784B CN201410583793.4A CN201410583793A CN104261784B CN 104261784 B CN104261784 B CN 104261784B CN 201410583793 A CN201410583793 A CN 201410583793A CN 104261784 B CN104261784 B CN 104261784B
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Abstract
The invention discloses a kind of warming plate special low alkalinity bonding to wipe one's face integrated mortar, by weight, including following component: quaternary composite gelled material 25%～40%, aggregate 55%～75%, water-keeping thickening component 0.1%～0.5%, cracking resistance component 0.1%～0.5%, strengthens hydrophobic component 1.0%～5.0%, resists and hangs component 1.0%～2.0% from above.The present invention can be not only used for cement board and pastes, and has cohesive force strong, good toughness, the feature not hung from above；Be simultaneously available for the protective treatment of cement insulation board top layer, with alkali-proof glass fiber mesh with the use of, there is water retention property good, the engineering time is long, easy levelling receipts light, and intensity is high, does not ftractures, not the feature such as dry linting.This invention uses quaternary complex cementitious system, and in system, alkalescence weakens, and water absorption rate is low, has hydrophobic effect, and the cement insulation board external insulating system for thinly plastered external wall durability of this product construction is the best, and finish coat is not easy the accumulation of salt in the surface soil and turns white.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of warming plate special low alkalinity bonding and wipe one's face
Integrated mortar.
Background technology
Clearly promoting external wall outer insulation so far from country, external-wall heat-insulation material is multifarious, occurs in that blowout shape
State, wherein sheet material (such as polyurethane sheet, EPS sheet, XPS plate etc.) and heat preservation slurry (inorganic heat preservation slurry,
EPS granule thermal insulation slurry, inorganic-phase variable heat preservation slurry etc.) occuping market dominate.Heat preservation slurry is because of heat insulating ability
Can poor, product quality cannot ensure, the easy factor such as cracking, its market position is progressively replaced by sheet material.
At present, the sheet material that market occurs has a variety of, mainly has EPS sheet, XPS plate, very gold plate, sends out
Bubble cement plate, polyurethane sheet, foamed glass warming plate, exterior insulation, evacuation thermal insulation thermal insulation board
And pearlite heat-insulation plate etc..Issue from JG 149-2003 " expansion joints bellows external thermal insulation system "
Cloth is implemented, and EPS sheet thin-coat plaster system obtains rapid promotion and application.Hereafter, for the popularization of various sheet materials
And application, there is corresponding standard or specification to put into effect, but the binding agent of each sheet material and its performance of decorative mortar
Index and test method, indiscriminately imitate JG149-2003 substantially to adhesive mortar and the regulation of decorative mortar.All lifes
Produce adhesive mortar and the producer of decorative mortar, be substantially same product, be supplied in all of plate system,
Not for certain warming plate, develop special adhesive mortar and decorative mortar.Develop according to JG 149-2003
Adhesive mortar and decorative mortar, can meet major part heat preservation of board system requirement, but some sheet material because of oneself
The characteristic of body, needs adhesive mortar and decorative mortar to have certain function.Such as: pearlite heat-insulation plate and send out
Soaked mud warming plate unit weight is big (>=250kg/m3, EPS warming plate unit weight is at about 18kg/m3), conventional viscous
Knot mortar easily causes warming plate to hang from above；Cement board belongs to porous material, and its water absorption rate is high, easily inhales
Water expands and causes warming plate cubic deformation, also easily causes wiping one's face because cement insulation board water suction is too fast
The mortar operating time is short, and the phenomenon such as surface strength is low, dry linting produces, and thus be accordingly used in cement insulation board
Bonding its water-retaining property of decorative mortar and water absorption rate significantly should carry than the performance requirement of conventional adhesive decorative mortar
High；Foamed glass warming plate is poor because of alkali resistance, needs adhesive mortar and decorative mortar to have the spy of low alkalinity
Point, improves the durability of heat-insulation system.
For present situation and the characteristic of various sheet material of manufacturer, in conjunction with JG 149-2003, " expansion polyphenyl plate is thin
Plastering exterior wall outer heat preservation system " performance requirement, exploitation a kind of warming plate special low alkalinity bonding is wiped one's face one
Changing mortar, this warming plate includes EPS sheet, XPS plate, very gold plate, cement board, polyurethane sheet, sends out
The various plates such as bulb glass warming plate, exterior insulation, evacuation thermal insulation thermal insulation board, pearlite heat-insulation plate
Material；This mortar had both been suitable for pasting of warming plate, at the same time as decorative mortar, anti-for warming plate top layer
Protect process.
Summary of the invention
It is an object of the invention to provide a kind of warming plate special low alkalinity bonding to wipe one's face integrated mortar.
For achieving the above object, present invention employs following technical scheme:
A kind of warming plate special low alkalinity bonding is wiped one's face integrated mortar, it is characterised in that matter pressed by described mortar
Amount percentage ratio is made up of following component:
Described aggregate is 50～100 mesh quartz sands.
Preferably, described quaternary composite gelled material includes following component, and each component is in described mortar
Shared mass percent is as follows；
Wherein, during described cement is Portland cement, portland cement and complex cement
Kind, strength grade is not less than 42.5 grades；Described breeze is S95 level or S105 level；Described
Metakaolin is 1250 mesh powder.
Preferably, described water-keeping thickening component is hydroxypropyl methyl cellulose ether, hydroxyethyl methyl
Cellulose ether, methyl cellulose ether, sodium cellulosate, polyvinyl alcohol, polyethylene glycol oxide, swelling
One or more in soil.
Preferably, described cracking resistance component includes following component, and each component shared quality in described mortar
Percentage ratio is as follows；
Inorganic mineral fiber 0.05%～0.40%
Organic fiber 0.05%～0.10%；
Wherein, described inorganic mineral fiber is brucite fiber, alumina fibre, glass fibre
One or more, described organic fiber is the one in PP fiber, vinal, Buddhist nun's human relations fiber
Or it is multiple.
Preferably, described enhancing hydrophobic component includes following component, and each component is shared in described mortar
Mass percent is as follows；
Wherein, described micro-nano powder body material is that SILICA FUME and nano silicon are compounding to be formed, multiple
Proportioning example is: SILICA FUME: nano silicon=2:1；Described high efficiency water reducing agent is naphthalene system diminishing
One in agent, melamine based water reducer, poly carboxylic acid series water reducer.
Preferably, the described anti-component that hangs from above is formed by starch ether and hydrated magnesium silicate are compounding, compounding
Ratio is: starch ether: hydrated magnesium silicate=1:1～2；Wherein said starch ether is hydroxypropyl starch
One in ether and carboxymethyl starch ether, described hydrated magnesium silicate is that the ease enterprise development of sea, Hong Kong is limited
The pangel series of products of corporate agent, production unit is TOLSA company of Spain..
Inventive principle:
Above-mentioned warming plate special low alkalinity bonding integrated mortar of wiping one's face applies following technology:
1, enhancing, hydrophobic
The present invention uses micro-nano powder body material modification technology and water reducing and strength increasing technology to combine, and i.e. utilizes micro-nano
The filling effect of level powder body material and volcano ash effect, improve the degree of compaction of bonding decorative mortar；Utilize simultaneously
High efficiency water reducing agent reduces whole mortar water consumption, reduces the existence of free water, thus improves bonding and wipe one's face
The bulk strength of mortar.
Hydrophobicity latex powder and organosilicon moisture repellent are dispersed in whole mortar, at the mortar of solidification
In define by the inorganic frame system constituted with organic binder bond.This system utilizes hydrophobicity latex powder and has
The hydrophobicity of machine silicon hydrophober, after capillary wall film forming, greatly reduces the contact area of water and mortar surface,
The globule making bonding decorative mortar surface is easily detected by pore and penetrates into pore interior, thus reduces water suction
Rate, makes whole mortar have hydrophobic effect.Meanwhile, the filming performance of hydrophobicity latex powder, in mortar
Poly-power increases substantially, and is improved with the cohesive force of base material.
2, cracking resistance
The present invention uses fiber composite cracking resistance technology to combine with soft state cracking resistance technology, i.e. inorganic mineral fiber with
Organic fiber complex technique: after binding material stirs, ten hundreds of fibers disperses the most disorderly
In whole mortar, these fiber aspect interlock, and isotropism is uniformly distributed, as tens thousand of micro-
" reinforcing bar " is implanted in the matrix of cement mortar.When mortar matrix owing to shaking, expanding with heat and contract with cold, drying shrinkage,
Energy produced by the stress that the reasons such as blast cause can be depleted due to the existence of a large amount of fibers.So
The existence of the fiber of huge amount, had both consumed energy, had alleviated again stress.Therefore, multiple fiber composite
Technology can be obviously enhanced the tensile strength of mortar, resists stress, reduces cracking.Soft state cracking resistance technology is i.e. hated
Water based emulsion powder film forming in mortar so that whole mortar is changed to elasticity by rigidity, due to poly-
The rigid structure that the flexibility of compound and deformability are formed far above cement etc., the deformable of mortar is improved,
The effect of dispersive stress is largely increased, thus improves the anti-crack ability of mortar.
3, application property
Because of the characteristic (unit weight is big, hygroscopic) of cement insulation board, the present invention must have water conservation, resist and hang down
The construction property hung.For reaching this purpose, the present invention is compounded by multiple water-keeping thickening material so that it is have
Low viscosity, the characteristic of high water conservation.Starch ether and hydrated magnesium silicate compound, and can improve mortar water-retaining property,
Solve again to resist and hang performance from above.Hydrated magnesium silicate, belongs to phyllosilicate one class, is by two-layer tetrahedron two
Silicon oxide unit forms, and connects composition by the discontinuous magnesium atom octahedron of a central Oxygen atom and one layer
's.This structure makes hydrated magnesium silicate have microfibre acicular texture, and acicular texture makes it have very
Effective absorption property so that full-bodied product suspension has thixotropy and pseudoplastic behavior；
4, low alkalinity
The present invention uses cement, breeze, semi-hydrated gypsum and metakaolin composition quaternary complex cementitious system, tool
Have a following characteristics: 1. breeze part replaces cement, reduce cement consumption, reduce Ca (OH) 2 generation；
2. the main component of metakaolin product is highly active aluminium sesquioxide (Al2O3) and silicon dioxide (SiO2),
They react with the calcium hydroxide (Ca (OH) 2) produced during hydrated cementitious at normal temperatures and pressures, generate Behavior of Hardened Cement Paste
(hydrated calcium silicate and drated calcium aluminate etc.)；3. the calcium hydroxide produced when semi-hydrated gypsum and hydrated cementitious
(Ca (OH) 2) reacts, and promotes the generation of entringite.The application of quaternary complex cementitious system, reduces mortar
The content of system class calcium hydroxide (Ca (OH) 2), the alkalescence of whole system weakens, and alkaline-resisting grid cloth uses the longevity
Life is more permanent, and the durability of external thermal insulation system and alkali burnout resistance can be improved.
Invention advantage:
Hinge structure of the present invention has the advantages that
1, this mortar can be not only used for warming plate and pastes, and has cohesive force strong, and good toughness does not hangs from above
Feature；It is simultaneously available for the protective treatment of warming plate top layer, joins with alkali-proof glass fiber mesh
Closing and use, have water retention property good, the engineering time is long, easy levelling receipts light, and intensity is high, does not opens
Split, not the feature such as dry linting.
2, this invention uses quaternary complex cementitious system, and in system, alkalescence weakens, and water absorption rate
Low, there is hydrophobic effect.Use the thin plastering external insulation system of exterior that this product is constructed
Durability is the best, and finish coat is not easy the accumulation of salt in the surface soil and turns white.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with enforcement
The present invention is made technical parameter further and describes by case.
A kind of warming plate special low alkalinity bonding is wiped one's face three embodiments of integrated mortar
Component and mass percent proportioning are shown in Table 1:
Table 1:
Organosilicon moisture repellent is the powder A that Wa Ke company produces, and hydrated magnesium silicate is Xiang Ganghai
The pangel AD of ease enterprise development company limited agency, other all raw materials above are commercially available product entirely
Product,
The preparation method of above-described embodiment one to three is: weigh various raw materials by said ratio, then in stirring
In machine, mixing, stirs.
The slurry produced by above-described embodiment one to three proportioning, by ratio of water to material=0.23～0.25:1
Carry out the stirring that adds water, carry out application property inspection after stirring 5min and physical property detects.Water conservation
Rate test method is carried out by the 7th chapter regulation in JGJ/T70-2009；Water absorption is pressed
In JC/T1004-2006, the 7th chapter regulation is carried out；Adhesion strength, operable time, pliability
Carry out by the regulation of JG149-2003.After testing, this product operable time is long, application property
Can be good, non-stick knife, paste cement insulation board and do not hang from above, the most levelling, receipts light of plastering, nothing
Crack；Water retention is more than 99%, and water absorption is the lowest, and its physical property is shown in Table 2:
Table 2:
It is pointed out that as described above is only in order to explain embodiments of the present invention, not
The present invention is made any restriction in form, in the premise without departing from the principle of the invention by attempt according to this
Under, it is also possible to make some changes and retouching, have institute under identical spirit therefore all
Making any change or the retouching of the relevant present invention, these changes or retouching are also considered as the guarantor of the present invention
Protect scope.
Claims (4)
1. warming plate special low alkalinity bonding is wiped one's face integrated mortar, it is characterised in that described mortar is made up of following component by mass percentage:
Described quaternary composite gelled material includes following component, and each component shared mass percent in described mortar is as follows；
Wherein, described cement is the one in Portland cement, portland cement and complex cement, and strength grade is not less than 42.5 grades；Described breeze is S95 level or S 105 grades；Described metakaolin is 1250 mesh powder；
Described enhancing hydrophobic component includes following component, and each component shared mass percent in described mortar is as follows；
Wherein, described micro-nano powder body material is that SILICA FUME and nano silicon are compounding to be formed, and compound proportion is: SILICA FUME: nano silicon=2:1；Described high efficiency water reducing agent is the one in naphthalene water reducer, melamine based water reducer, poly carboxylic acid series water reducer.
Warming plate the most according to claim 1 special low alkalinity bonding is wiped one's face integrated mortar, it is characterized in that, described water-keeping thickening component is one or more in hydroxypropyl methyl cellulose ether, ethoxyl methyl cellulose ether, methyl cellulose ether, sodium cellulosate, polyvinyl alcohol, polyethylene glycol oxide, bentonite.
Warming plate the most according to claim 1 special low alkalinity bonding is wiped one's face integrated mortar, it is characterised in that described cracking resistance component includes following component, and each component shared mass percent in described mortar is as follows；
Inorganic mineral fiber 0.05%～0.40%
Organic fiber 0.05%～0.10%；
Wherein, described inorganic mineral fiber be brucite fiber, alumina fibre, glass fibre one or more, described organic fiber is one or more in PP fiber, vinal, nylon fiber.
Warming plate the most according to claim 1 special low alkalinity bonding is wiped one's face integrated mortar, it is characterised in that the described anti-component that hangs from above is formed by starch ether and hydrated magnesium silicate are compounding, and compound proportion is: starch ether: hydrated magnesium silicate=1:1～2；Wherein said starch ether is the one in hydroxypropyl starch ether and carboxymethyl starch ether, and described hydrated magnesium silicate is the pangel series of products of Hong Kong Hai Yi enterprise development company limited agency, and production unit is TOLSA company of Spain.
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Address after: 215000 No. 1979 Yin Zhong Nan Road, Hedong Industrial Park, Wuzhong Economic Development Zone, Suzhou, Jiangsu Patentee after: Suzhou Gusu Novel Building Materials Co., Ltd. Address before: 215132 Wang Fang Road, Huangqiao Town, Xiangcheng District, Suzhou, Jiangsu Patentee before: Suzhou Gusu Novel Building Materials Co., Ltd. |
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Address after: 215000 no.1979 Yinzhong South Road, Hedong Industrial Park, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: SUZHOU GUSU NEW BUILDING MATERIAL Co.,Ltd. Address before: No. 1979, Yinzhong South Road, Hedong Industrial Park, Wuzhong Economic Development Zone, Suzhou, Jiangsu Province, 215000 Patentee before: SUZHOU GUSU NEW BUILDING MATERIAL Co.,Ltd. |