CN101260721B - Composite wall material and method of manufacture - Google Patents
Composite wall material and method of manufacture Download PDFInfo
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- CN101260721B CN101260721B CN2008100579659A CN200810057965A CN101260721B CN 101260721 B CN101260721 B CN 101260721B CN 2008100579659 A CN2008100579659 A CN 2008100579659A CN 200810057965 A CN200810057965 A CN 200810057965A CN 101260721 B CN101260721 B CN 101260721B
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Abstract
The invention relates to a composite wall material and a manufacturing method thereof, in particular to a cement composite wood novel wall material and a manufacturing method thereof. The wall material mainly comprises a plate-shaped base material and a cement layer, wherein, the base material is provided with at least one wooden surface; the cement layer is formed by coating and drying of cement mortar on the wooden surface of the base materials, wherein, the cement mortar are obtained by mixture of cement, redispersible gelatine powder and fine sands according to the weight ratio of 100 to 5 to 80 to 100 and then addition of water; the water cement ratio of the cement mortar is between 0.45 and 0.6; the mobility is between 140 and 160 millimeters. The wall material is mainly used in a waterproof walling of a timer construction, can improve the waterproof capacity of the places and simultaneously endows the walling with shock resistance, abrasion resistance and so on.
Description
Technical field
The invention relates to a kind of composite wall material and manufacture method thereof, specifically be meant a kind of cementitious composite timber new wall material and manufacture method thereof, described walling is mainly used in the waterproof body of wall of timber buildings.
Background technology
In recent years, the wooden house building is rapid in China's development, and its unique architectural style and performance advantage have obtained affirming of more and more customers.
At present in timber buildings, need the place of waterproof mainly to be distributed in indoor and outdoors.
The indoor place of waterproof that needs mainly contains washroom and kitchen.For these two places, waterproofing work generally has two kinds of methods.A kind of method is by at gypsum plank (in the basic structure of timber buildings body of wall; indoor surface is generally gypsum plank) surperficial applying with cement paste; tile fixing again; forming cement layer after the cement paste drying is attached to ceramic tile on the body of wall; but in use; because under hygrothermal environment, cement can not be attached to ceramic tile on the gypsum plank securely for a long time, cement layer is through regular meeting and body of wall is peeled off and cause ceramic tile to come off.Another kind is directly to be coated with water-repellent paint in gypsum board surface, but after corroding after a while, the body of wall anti-impact force can greatly descend, and some blind cracks can appear in body of wall, also can have influence on waterproof effect.
The outdoor place of waterproof that needs is generally external wall elevation.The exterior wall of timber buildings adopts the form of backplate usually, but aging phenomenon is serious.For wooden backplate, usually be to adopt the way of covering with paint, lacquer, colour wash, etc., at its top finishing the material of water-proof function is arranged, but need year to safeguard for a long time, otherwise behind the paint aging, water-proof function lost efficacy.The external wall elevation that has can add one deck cement layer for durability, and specific practice is to add net at wallboard; attach cement layer again; although this way net has with wallboard be connected, also the phenomenon that peel off the cement layer part take place, cause rainwater to infiltrate inside, crack through regular meeting.
As a whole, in the present metope waterproof method, the way that applies cement layer be comparatively tradition, also be comparatively reliable a kind of method.How good this material of cement of rational and efficient use is current metope waterproof urgent problem.
Summary of the invention
A main purpose of the present invention is to provide a kind of walling at caducous problem between cement layer in the present mine dam and the body of wall, with adhesion between cement layer in the raising mine dam and the body of wall, reaches more permanent waterproof effect.
Another object of the present invention is to provide a kind of method of making walling, this method produces a kind of cementitious composite timber new wall material by utilizing cement material.
The present invention at first provides a kind of composite wall material, and this walling comprises:
Plate-like substrate, this base material has at least one wood surface;
Cement layer, this cement layer is cement mortar to be coated on the wood surface of base material and dry and form, wherein, described cement mortar mixes and adds water with fine sand according to 100: 5～8: 80～100 weight ratio with cement, re-dispersible glue powder and obtains, and the water/binder ratio of this cement mortar (weight ratio of water and cement) is 0.45～0.6, degree of mobilization is 140～160mm.
The present invention also provides the manufacture method of described walling simultaneously, and the method comprising the steps of:
Cement, re-dispersible glue powder are mixed according to 100: 5～8: 80～100 weight ratio with fine sand, and add water and stir and to obtain cement mortar (cement mortar), the water/binder ratio of this cement mortar is 0.45～0.6, and degree of mobilization is 140～160mm;
Described cement mortar is coated on the wood surface of base material and forms screed, drying.
According to specific embodiments of the present invention, described base material can be wooden boards, and the thickness of this wooden boards preferably should be generally 3～10mm more than 3mm; For example, described wooden boards can be veneer, and the thickness of the panel with wood surface of this veneer preferably should be more than 1.5mm.
On the wood surface of described base material, before the coating cement mortar, can carry out suitable cleaning to the wood surface of this base material earlier, such as removing the oil stain marking etc.
According to of the present invention one preferred specific embodiments, before on the wood surface that cement mortar is coated on base material, also can on the wood surface of described base material, form at least one pit, the notch area of described pit on wood surface is 1～3mm
2, cup depth is 1～3mm.Concrete concave shape to described pit among the present invention does not have specific (special) requirements, can be to be essentially rules or irregularly shaped such as cuboid, square, cylinder, hemispherical, taper.On the other hand, when being distributed with a plurality of pit on the wood surface of the present invention at base material, these pits are preferred evenly to distribute, and the spacing distance between the adjacent pit can be 10～300mm.When being appreciated that concrete enforcement, the notch area of described pit, distributing and suitably to adjust according to the area and the thickness of plate-like substrate with cup depth at interval; For example, described cup depth preferably is no more than 1/3 of base material thickness, to guarantee substrate intensity.In the method for the present invention, the roller that the described step that forms pit on the wood surface of base material can utilize the surface to have pimple (pit that the corresponding institute of projection desire forms and be provided with) carries out roll-in to the wood surface of base material and forms.For example, according to a more particular embodiment of the present invention, selecting thickness for use is the base material of the above wooden boards of 6mm as walling of the present invention, after suitable cleaning is carried out on its surface, (cross sectional shape of pimple is a rectangle to utilize the surface to have the pimple that is provided with at interval, be about 2～3mm, wide about 1mm, the about 2mm of rising height) roller carries out roller process to this wooden boards, in the roll-in process, keep the distance (distance between top roll basal plane and the lower roll basal plane between the up-down rollers, do not consider pimple) identical with the thickness of wooden boards, thereby through on a surface of wooden boards, forming a plurality of small ruts after the roll-in, (pit is a rectangle in the lip-deep concave shape of wooden boards to the shape of pimple on the corresponding described roller of the shape of these small ruts, be about 2～3mm, wide about 1mm, the about 2mm of cup depth), in this embodiment, described a plurality of small rut roughly is prismatic grid point-like cross-distribution, the distribution of adjacent pit can be set to 10～300mm at interval on the pit length direction, and the distribution of adjacent pit can be set to 10～100mm at interval on the pit width direction.Among the present invention, after the wood surface of base material forms described small rut, be coated with screed again, can make the wood surface gluing of the screed of follow-up coating and base material more firm, thereby further improved the durability of walling of the present invention.
According to specific embodiments of the present invention, before on the wood surface that cement mortar is coated on base material, also can carry out wettability treatment to the wood surface of base material, concrete operations can be after the wood surface of this base material being carried out suitable cleaning or further forming small rut through roll-in, this base material is kept flat, water is sprayed on the wood surface of this base material, under the unnecessary water spontaneous current, can suitably leave standstill a period of time behind the water spray, for example about 10～20 minutes, so that the wood surface of base material is by fully wetting (when the wood surface of base material is provided with described small rut, can suitably control the moisture in the dried pit or prolong standing time the moisture that makes in the pit is fully absorbed or is evaporated and do not had an excessive moisture), can on this wood surface, be coated with cement mortar.
According to specific embodiments of the present invention, described cement should be grade at portland cement more than 42.5 or sulfate cement; It is the vinyl acetate-ethylene ester class re-dispersible glue powder of protecting colloid that described re-dispersible glue powder is preferably with the polyvinyl alcohol; The particle diameter of described fine sand is preferably 0.3～0.6mm.Cement, re-dispersible glue powder and fine sand are added water to be mixed the detailed process that obtains cement mortar (cement mortar) and can be: earlier cement is mixed according to 100: 5～8 weight ratio with re-dispersible glue powder, mix the fine sand of cement weight 80%～100% again, add the water mixing and stirring, control the condition that resulting cement mortar satisfies water/binder ratio 0.45～0.6, degree of mobilization 140～160mm by the amount of in described proportion, adjusting cement, re-dispersible glue powder and fine sand.
According to specific embodiments of the present invention, described cement mortar is coated on the wood surface of described base material process can according in this area on substrate the routine operation of coating mortar carry out, preferably utilizing spraying machine that mortar is sprayed is applied on the substrate, the present invention does not have particular requirement to the concrete process conditions of spraying the coating mortar, and the jet velocity of preferably controlling mortar is about 0.01～0.05m
3/ h.Among the present invention, the thickness that preferably is controlled at institute's mortar sprayed layer on the base material is about 4～6mm.
According to preferred specific embodiments of the present invention, after forming screed on the wood surface that cement mortar is coated on base material, can be at screed surface coverage one screen cloth, suitably dry in the shade at normal temperatures then after (for example promptly not seeing that at the routine environment that dries in the shade the place of the sun and ventilation dried in the shade 2～3 hours), screen cloth is removed from the screed surface to make the screed surface form wire mark by related effect, continue again to dry in the shade (in routine is dried in the shade environment, usually removing the time of continuing to dry in the shade again behind the screen cloth was not less than 20 hours at least), obtain walling of the present invention.The cement face of this walling is irregular, the formation of described wire mark can make this walling when using, when for example on this walling, further applying cement sand bed, increase the institute further cement sand bed of coating and the adhesion between the walling of the present invention with the patch ceramic tile according to routine operation.The more particular embodiment according to the present invention, described screen cloth is preferably brass, tin bronze or stainless steel (or density and brass, any material that tin bronze or stainless steel are roughly suitable) standard screen cloth, sieve number is preferably 2～10, after this screen cloth is covered in the screed surface gently, this screen cloth can be absorbed in the screed surface by deadweight in the process of drying in the shade slightly, then screen cloth is removed from the screed surface and (screen cloth can be lifted from the screed surface, also can be with screen cloth from end pull-up gently) time can make the screed surface form the wire mark (convex epirelief that the part of common corresponding screen cloth mesh point forms is higher) of the protrusion that height differs by related effect, the highest part of wire mark of this protrusion can reach about 1～2mm, effectively strengthened this walling when using and the adhesion between the cement mortar of required further coating.
Walling of the present invention is a kind of cementitious composite timber new wall material, and the adhesion stress of cement layer and base material (as wooden boards) is 0.6～1.2MPa.The compressive strength of cement slurry is 45～50MPa, rupture strength 7～9MPa.Other performance is according to the kind of base material (as wooden boards) and wall body structure pattern and decide.And, walling of the present invention, global density is about 0.6～0.8g/cm generally speaking
3(about thickness 5mm with base material, density 0.3～0.5g/cm
3About amount to calculating for example), material lightweight, convenient in carrying.In addition, because the bottom (base material) of walling of the present invention is a wooden boards, not only be easy to ailing, and nail-holding ability is good.
Cementitious composite timber new wall material of the present invention mainly can be applied in the timber buildings in the washroom and kitchen etc. to have the place of waterproof requirement.During application, be after the body of wall installation is finished in places such as timber buildings kitchen or washroom, with walling of the present invention according to length direction perpendicular to the modes of emplacement of wall bone (the wall bone in the timber buildings is normally erect layout) with ailing on wall column, base material is near the wall bone, cement layer towards outside; Then on the cement aspect of walling of the present invention according to the routine operation mortar tile fixing again of further cementing, thereby form mine dam, improve the waterproof ability in these places.Walling of the present invention also can be applied to the more outdoor facade that needs waterproof of timber buildings.
In sum, the present invention has produced a kind of cementitious composite timber new wall material by utilizing this material of cement rationally and effectively, and base material wherein (matrix material such as wooden boards) has guaranteed that walling has certain intensity; And the cement layer of this walling is equivalent to the effect of couplet, and internally (in the body of wall) connects the base material with wood surface, and externally (body of wall is outer) connects outer field cement (cement of walling of the present invention required further coating when practical application) and ceramic tile.Use in the formed mine dam of walling of the present invention, has stronger adhesion (comprise between the cement layer and base material of walling of the present invention itself, the cement layer of the cement layer of walling of the present invention required further coating when practical application and walling of the present invention between all have stronger adhesion) between cement layer and the body of wall, thereby walling of the present invention can improve the waterproof ability in these places, reach more permanent waterproof effect, give body of wall some other performance simultaneously, such as shock resistance, anti-wear performance etc.The manufacture method of walling of the present invention is simple, can be prefabricated, and walling is in light weight, and carrying can be out of shape, and is convenient to construction.
The specific embodiment
Further describe the characteristics of walling of the present invention and manufacture method thereof and the beneficial effect that is had below by specific embodiment, but therefore the present invention is not subjected to any restriction.
Embodiment 1
52.5 grades of portland cements are mixed according to 100: 6 weight ratio with re-dispersible glue powder, mix the fine sand that particle diameter is 0.3～0.6mm again, the amount of fine sand is 90% of a cement amount, add water stir about 40min to mix, obtain the cement mortar slurries, wherein, the water yield is about 50% (water/binder ratio 0.5) of cement amount, and the degree of mobilization of cement mortar is 150mm.
(density of this veneer is about 0.45g/cm to the poplar plywood of selection gross thickness 5mm
3, wherein plate thickness is 1.5mm) as base material, the wood surface of this veneer is tentatively done cleaning handle, remove the oil stain marking etc.Keep flat then, on the wood surface after the cleaning, spray water, under the unnecessary water spontaneous current, wood surface (can suitably be placed a period of time behind water spray by water-wet, for example about 10～20min), utilize spraying machine cement mortar to be injected on the wood surface of the base material of handling well then and form screed, control cement mortar jet velocity is about 0.01m
3/ h, the THICKNESS CONTROL of formed screed is about 4.2mm.
After injection is finished, the stainless steel standard screen net of (order several 2) about mesh size 8mm is covered in the screed surface gently, dry in the shade about 2 hours under the common environment that dries in the shade of normal temperature, screen cloth is absorbed in the screed surface slightly by deadweight in this process, then with screen cloth from end pull-up gently, make screed surface (the cement face of walling of the present invention) form the wire mark that protrudes by related effect, the high about 2mm of the convex epirelief that the part of corresponding screen cloth mesh point forms, continued again to dry in the shade about 24 hours, and obtained the walling of present embodiment.
The walling of present embodiment is applied to the place that there is waterproof requirement timber buildings kitchen and washroom etc., after the body of wall installation is finished in these places, use ailing according to length direction on wall column perpendicular to the modes of emplacement of wall bone the walling of present embodiment, pitch of nails 300mm.Substrate surface is by the wall bone, cement towards outside.Then on the cement face according to the routine operation mortar of cementing, use the good ceramic tile of the dry doubling choice specimen of calligraphy, maintenance is filled in the slit around the ceramic tile with gap filler after 1 day again.The walling of present embodiment because its cement face is irregular, is formed with the wire mark of protrusion, when further cementing the mortar tile fixing during application on this walling, can make the cement ceramic tile of further coating more firm with combining of walling.
The walling of present embodiment, material lightweight (global density 0.72g/cm
3), convenient in carrying; And the bottom of this walling is the veneer with wood panel, and it is good to be easy to ailing and nail-holding ability; The adhesion stress of the cement layer of this walling and veneer base material is 0.65MPa.The compressive strength of cement slurry is 47MPa, rupture strength 7.5MPa.
Embodiment 2
52.5 grades of portland cements are mixed according to 100: 8 weight ratio with re-dispersible glue powder, mix the fine sand that particle diameter is 0.3～0.6mm again, the amount of fine sand is 90% of a cement amount, add water stir about 40min to mix, obtain the cement mortar slurries, wherein, the water yield is about 60% (water/binder ratio 0.6) of cement amount, and the degree of mobilization of cement mortar is 160mm.
(density is about 0.45g/cm to the poplar plywood of selection gross thickness 5mm
3) as base material, a wood surface is wherein tentatively done cleaning handle, remove the oil stain marking etc.Keep flat then, on the wood surface after the cleaning, spray water, under the unnecessary water spontaneous current, make wood surface by water-wet, and place about 10～20min, utilize spraying machine cement mortar to be injected on the wood surface of the base material of handling well then and form screed, control cement mortar jet velocity is about 0.02m
3/ h, the THICKNESS CONTROL of formed screed is about 5.5mm.
After injection is finished, the brassiness standard screen cloth of (order several 2) about mesh size 8mm is covered in the screed surface gently, dry in the shade about 2 hours under the common environment that dries in the shade of normal temperature, screen cloth is absorbed in the screed surface slightly by deadweight in this process, then screen cloth integral body is lifted from screed, make the screed surface form the wire mark that protrudes by related effect, continued again to dry in the shade about 24 hours, obtain the walling of present embodiment.
The walling of present embodiment is applied to the place that there is waterproof requirement timber buildings kitchen and washroom etc., after the body of wall installation is finished in these places, use ailing according to length direction on wall column perpendicular to the modes of emplacement of wall bone the walling of present embodiment, pitch of nails 300mm.The wood materials face is by the wall bone, cement towards outside.Then on the cement face according to the routine operation mortar of cementing, use the good ceramic tile of the dry doubling choice specimen of calligraphy, maintenance is filled in the slit around the ceramic tile with gap filler after 1 day again.The walling of present embodiment, because its cement face is formed with the wire mark of protrusion, on this walling further during coating cement tile fixing, combining between the cement ceramic tile that can make further coating and the walling is more firm during application.
The walling of present embodiment, material lightweight (global density 0.78g/cm
3), convenient in carrying; And the bottom of this walling is a wooden boards, and it is good to be easy to ailing and nail-holding ability; The cement layer of this walling and the adhesion stress of wooden boards are 0.74MPa.The compressive strength of cement slurry is 47.3MPa, rupture strength 8.2MPa.
Claims (11)
1. a composite wall material is characterized in that, this walling comprises:
Plate-like substrate, this base material has at least one wood surface;
Cement layer, this cement layer is cement mortar to be coated on form screed and dry and form on the wood surface of base material, wherein, described cement mortar mixes and adds water with fine sand according to 100: 5～8: 80～100 weight ratio with cement, re-dispersible glue powder and obtains, and the water/binder ratio of this cement mortar is 0.45～0.6, degree of mobilization is 140～160mm.
2. walling according to claim 1 is characterized in that, described base material is a wooden boards, and the thickness of this base material is 3～10mm.
3. walling according to claim 2 is characterized in that, described wooden boards is a veneer, and its plate thickness is more than 1.5mm.
4. make the method for each described walling of claim 1～3, it is characterized in that the method comprising the steps of:
Cement, re-dispersible glue powder are mixed according to 100: 5～8: 80～100 weight ratio with fine sand, and add water and stir and to obtain cement mortar, the water/binder ratio of this cement mortar is 0.45～0.6, and mortar fluidity is 140～160mm;
Cement mortar is coated on the wood surface of described base material and forms screed, drying.
5. method according to claim 4 is characterized in that, described cement is portland cement or the sulfate cement more than 42.5 grades; Described re-dispersible glue powder is for being the vinyl acetate-ethylene ester class re-dispersible glue powder of protecting colloid with the polyvinyl alcohol; The particle diameter of described fine sand is 0.3～0.6mm.
6. method according to claim 4 is characterized in that, this method also comprises step:
Before on the wood surface that cement mortar is coated on base material, the wood surface of base material is carried out cleaning, remove the oil stain marking.
7. according to claim 4 or 6 described methods, it is characterized in that this method also comprises step:
Before on the wood surface that cement mortar is coated on base material, on the wood surface of base material, form at least one pit, the notch area of described pit on wood surface is 1～3mm
2, cup depth is 1～3mm.
8. method according to claim 7 is characterized in that, is evenly distributed with a plurality of pits on the wood surface of base material, and the spacing distance between the adjacent pit is 10～300mm.
9. method according to claim 4 is characterized in that, described screed thickness is 4～6mm.
10. method according to claim 4, it is characterized in that, after forming screed on the wood surface that cement mortar is coated on base material, at screed surface coverage one screen cloth, after suitably drying in the shade under the normal temperature, screen cloth is removed from the screed surface to make the screed surface form wire mark by related effect, continued again to dry in the shade.
11. method according to claim 10 is characterized in that, wherein said screen cloth is the standard screen cloth of brass, tin bronze or stainless steel, and sieve number is 2～10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100579659A CN101260721B (en) | 2008-02-22 | 2008-02-22 | Composite wall material and method of manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100579659A CN101260721B (en) | 2008-02-22 | 2008-02-22 | Composite wall material and method of manufacture |
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| Publication Number | Publication Date |
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| CN101260721A CN101260721A (en) | 2008-09-10 |
| CN101260721B true CN101260721B (en) | 2010-06-02 |
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| CN2008100579659A Expired - Fee Related CN101260721B (en) | 2008-02-22 | 2008-02-22 | Composite wall material and method of manufacture |
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| CN102943544A (en) * | 2012-11-20 | 2013-02-27 | 浙江杭萧钢构股份有限公司 | Manufacturing method of fiber cement board composite wallboard |
| CN105585287A (en) * | 2015-12-17 | 2016-05-18 | 梅庆波 | Method for preparing anti-crack mortar |
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|---|---|---|---|---|
| CN1359871A (en) * | 2001-11-28 | 2002-07-24 | 彭正富 | Light-weight concrete partition and its preparing process |
| CN1544777A (en) * | 2003-11-17 | 2004-11-10 | 刘富国 | Adhesive-bonded panel for construction heat preservation and thermal insulation |
| EP1681103A3 (en) * | 2005-01-14 | 2006-09-27 | Kronotec Ag | Wooden material with conductive surface |
| CN1857884A (en) * | 2006-06-02 | 2006-11-08 | 河北华龙机械有限公司 | Wood-plastic composite material and production process of composite material plate |
-
2008
- 2008-02-22 CN CN2008100579659A patent/CN101260721B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1359871A (en) * | 2001-11-28 | 2002-07-24 | 彭正富 | Light-weight concrete partition and its preparing process |
| CN1544777A (en) * | 2003-11-17 | 2004-11-10 | 刘富国 | Adhesive-bonded panel for construction heat preservation and thermal insulation |
| EP1681103A3 (en) * | 2005-01-14 | 2006-09-27 | Kronotec Ag | Wooden material with conductive surface |
| CN1857884A (en) * | 2006-06-02 | 2006-11-08 | 河北华龙机械有限公司 | Wood-plastic composite material and production process of composite material plate |
Non-Patent Citations (1)
| Title |
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| JP特开2005-336823A 2005.12.08 |
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