CN109505376A - Light ceramic waterproof wallboard - Google Patents
Light ceramic waterproof wallboard Download PDFInfo
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- CN109505376A CN109505376A CN201811362406.9A CN201811362406A CN109505376A CN 109505376 A CN109505376 A CN 109505376A CN 201811362406 A CN201811362406 A CN 201811362406A CN 109505376 A CN109505376 A CN 109505376A
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- cold plate
- upstream face
- light ceramic
- wallboard
- filler material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
- E04C2/324—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with incisions or reliefs in the surface
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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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/16—Polyurethanes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/52—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits
- E04C2/526—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose with special adaptations for auxiliary purposes, e.g. serving for locating conduits with adaptations not otherwise provided for, for connecting, transport; for making impervious or hermetic, e.g. sealings
- E04C2/528—Impervious or hermetic panels not otherwise provided for
-
- 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
- C04B2111/40—Porous or lightweight materials
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Finishing Walls (AREA)
Abstract
The invention belongs to light ceramic wallboard production technical fields, more particularly to a kind of light ceramic waterproof wallboard, several cold plates being successively obliquely installed including upstream face and from top to bottom, the inclined direction of adjacent cold plate is different, adjacent cold plate joins end to end and is hinged, the place of joining end to end in adjacent cold plate close to upstream face is slidably connected with upstream face, glide direction is vertical direction, positioned at the top and positioned at bottom cold plate free end with upstream face it is hinged, and it is located at the top of the top cold plate and is fixedly installed with the elastic component resetted for it positioned at the lower section of bottom cold plate, each cold plate and upstream face form several cavitys, filled with for waterproof and water swelling in cavity, the filler material of dehydration shrinkage, the ingredient of filler material is polystyrene, polyurethane, epoxy resin, it is precious Zhu Yan, swelled ground.This programme is suitable for the non-load bearing partition in toilet.
Description
Technical field
The invention belongs to light ceramic wallboard production technical fields, and in particular to a kind of light ceramic waterproof wallboard.
Background technique
Light ceramic wallboard is a kind of novel energy-conserving walling material, since light ceramic wallboard material specification is carefully and neatly done, is easy to
Molding and mechanization production, high production efficiency can fill in addition light ceramic wall board dimension is big, module is big, good integrity
It is installed with formula, construction efficiency is also high, all produces both at home and abroad using light ceramic wallboard as the preferred inner wall of housing industrialization at present
Product, so that light ceramic wallboard is widely applied in construction projects.
Light ceramic wallboard is often used for non-load bearing wall in the actual construction process, for example, the separate house and separate room of resident's building,
The inner partition wall and toilet in corridor, kitchen, but light ceramic wallboard is due to its own performance and feature, impermeabilisation
Property is poor, especially light ceramic wallboard application toilet when, the disadvantage of permeability resistance difference is infinitely amplified；Specifically: health
Between when using in the hot water, a large amount of vapor or steam can be generated, a large amount of vapor or steam infiltrate through in wallboard, wallboard
Water saturation is growing day by day, and the surface of wallboard is caused droplet occur, to cause the wall surface after humidity mouldy；And lightweight
Haydite wallboard is easily deformed after absorbing vapor, and such case causes light ceramic wallboard the serious phenomenons such as hollowing, crack occur.
To solve the above problems, the prior art is usually coating waterproofing coating, the waterproof performance of the wall on wall surface
Related with brushing pass, the pass of brushing is more, and the compactness of film forming is better, but the technique of coating waterproofing coating is wanted on metope
Ask very stringent and complicated, specially water-repellent paint must not be painted once, every uniformly there should be show-through, holiday all over brushing
And packing phenomenon；But also it should can apply latter all over water-repellent paint after the coating drying and forming-film after first apply；From the above it can be seen that the painting
The technique of film water-proof paint requires constructor to have preferable technical foundation, and the time for completing whole flow process is long.
Summary of the invention
To solve the technical problem that existing light ceramic wallboard water-repellent paint technique requires high and process time long,
The present invention provides a kind of light ceramic waterproof wallboard.
Its base case are as follows: light ceramic waterproof wallboard is successively obliquely installed several including upstream face and from top to bottom
The inclined direction of a cold plate, adjacent cold plate is different, and adjacent cold plate joins end to end and is hingedly, in adjacent cold plate
The place of joining end to end close to upstream face is slidably connected with upstream face, and glide direction is vertical direction, positioned at the top and is located at
The free end of the cold plate of bottom is hinged with upstream face, and is located at the top of the top cold plate and is located at bottom and condense
The lower section of plate is fixedly installed with the elastic component resetted for it, and each cold plate and upstream face form several cavitys, cavity
Inside filled with the filler material for waterproof and water swelling, dehydration shrinkage, the ingredient of filler material is polystyrene, poly- ammonia
Ester, epoxy resin, perlite, swelled ground.
The invention has the benefit that
1. being based on several cold plates, vapor or steam encounter cold plate and are liquefied as water droplet, and water droplet is adsorbed on cold plate
On, effectively vapor or steam is prevented to penetrate into wallboard；It is obliquely installed based on each cold plate, the inclination side of adjacent cold plate
To equal difference, adjacent cold plate joins end to end, then the adjacent cold plate place of joining end to end of longitudinal section is tip, and water droplet can be by certainly
Body gravity slides under cold plate length direction, and will drive the static water droplet in its obliquely downward during sliding and slide downwards,
The tip is finally converged in, water droplet is thus directed to tip and surfaces of wall is discharged.
Secondly, be based on water droplet slide downward process, water droplet can be converged gradually as spherical droplet, and droplet is in condensation plate surface
It rolls, droplet tumbles, and during this is tumbled, droplet can clean the dust of condensation plate surface, has self-cleaning characteristic.
2. tilting upward the condensation of setting in this programme compared to waterproof layer and cold plate is directly set gradually outside upstream face
The water droplet above it can be made to be in the state of " suspension " on plate, then water droplet is easier to fall off from cold plate, secondly, after falling off
Water droplet can be fallen on cold plate adjacent below, and be merged with other water droplets, so that other water droplets are because having merged new water
Drop becomes droplet, becomes moving from static, that is, facilitates for the water of surfaces of wall to be discharged.
3. forming several cavitys based on each cold plate and upstream face, the soundproof effect of wallboard is improved；Based on cavity
It is interior to be filled with filler material, super bath lamp can be held in winter shower and is warmed oneself, and a large amount of vapor or water can be generated in toilet
Vapour, part vapor or steam are entered in filler material by cold plate, filler material water swelling, in addition filler material weight increases,
The tilt angle of each cold plate changes, i.e., the acute angle that each cold plate is formed with upstream face reduces, and cold plate can incite somebody to action
The light that super bath lamp issues reflexes on the person, i.e. light of the cold plate by super bath light irradiation in wallboard reflexes on the person, and raising takes
Warm effect.
In addition, super bath light irradiation is on cold plate, moreover it is possible to be dried to condensation plate surface, cold plate also can be by super bath lamp
The thermal energy of sending is transferred in cavity, and filler material is dried, that is, is drained；Also, in this process of filler material water swelling,
Filler material generates distracted active force to surrounding cold plate, which has broken return springs and the lower section of top
The original stable state of return springs, then in the case where two return springs act on, each cold plate can be moved up and down, i.e., each
" shake " occurs for cold plate, until two return springs are stable again；This process helps to shake off to fall the water droplet on cold plate.
The effect that the cold plate being arranged diagonally downward in this programme not only only slides water droplet downwards by gravity, there are also water
Drop finally converges to the effect that tip is fallen, and compared to the cold plate being vertically arranged, this programme guides the water discharge in surfaces of wall
Path it is shorter；Its effect reached need to be in conjunction with the example in real life, for example, water droplet slides one section on vertical wallboard
After distance, it can stop, and this programme is exactly that the path of water droplet sliding shortens, obstruction of the water droplet encountered in sliding process
Probability have also been smaller, moreover be integrated to the cold plate for tilting upward setting, water droplet by hinder probability also become larger.
In conclusion preventing water from entering the scheme in wallboard nothing more than two kinds, one is exactly that water is prevented to enter in wallboard, this
Vapor or moisture condensation at water droplet, are prevented vapor or steam from penetrating into wallboard, solve water steaming by scheme cold plate
Gas or steam penetrate into the problem in wallboard；Secondly being exactly that water is guided to be discharged from wallboard, this programme passes through the condensation being obliquely installed
The connection relationship and positional relationship of plate solve the problems, such as that water enters in wallboard by water droplet from condensation plate surface discharge；In addition,
By the filler material of waterproof, prevention is entered in wallboard by the vapor, steam or water of cold plate, is solved in winter shower
A large amount of vapor or steam are generated, part vapor, steam or water is caused to enter the problem in wallboard.
Further, the weight fraction ratio of each raw material is polystyrene 15, polyurethane 15, epoxy resin 15, treasure in filler material
Pearl rock 27, swelled ground 27.After each raw material mixing of filler material, preferable waterproof effect can be reached.
Further, the cold plate positioned at the top is horizontally disposed.
It is obliquely installed compared to the cold plate for being located at the top, the cold plate positioned at the top is horizontally disposed to prevent vapor
By the gap penetration between wallboard and top plate into wallboard.
Further, acute angle formed by the cold plate and upstream face in addition to being located at the top cold plate is all the same.
Design can make the tip of the adjacent cold plate place of joining end to end formation on same vertical line in this way, make light ceramic
Surfaces of wall is carefully and neatly done, neat and beautiful.
Further, the place of joining end to end far from upstream face is processed as arc surface.
Tip is formed compared to the place of joining end to end, design in this way avoids people and touches tip accidentally, thus injured situation,
I.e. design can improve safety coefficient in this way；Secondly, arc surface is still able to guide water discharge, only leads water to and be tilted towards
On cold plate, but this does not influence drainage efficiency, because having said above, water droplet is in " outstanding in the cold plate tilted upward
Hang " state, under such state, water droplet can be detached from cold plate quickly, also, have new water droplet on the cold plate tilted upward
" addition " accelerates the original water droplet second cosmic velocity of the cold plate.
Further, each cold plate is aluminium alloy extrusions.Aluminium alloy quality is light, and is not easy to get rusty, and will not influence whole
The weight of body wallboard.
Detailed description of the invention
Fig. 1 is the sectional side view of light ceramic waterproof wallboard examples of the present invention.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: wallboard body 1, cold plate 2, cavity 3, spring 4.
Embodiment
As described in Figure 1, light ceramic waterproof wallboard, including wallboard body 1,1 front of wallboard body is upstream face, upstream face
Front be disposed with several cold plates 2 from top to bottom, each 2 material of cold plate is aluminium alloy, be located at the top
Cold plate 2 is horizontally disposed, remaining cold plate 2 is obliquely installed, and remaining cold plate 2 is with acute angle formed by upstream face
45 °, the inclined direction of adjacent cold plate 2 is different, in adjacent cold plate 2 and upstream face close to the place of joining end to end of upstream face
Be slidably connected, glide direction is vertical direction, positioned at the top and positioned at bottom cold plate 2 free end and upstream face
Hingedly, and it is located at the top of the top cold plate 2 and is fixedly installed with positioned at the lower section of bottom cold plate 2 for its reset
Spring 4, far from upstream face head and the tail hinged place to upstream face horizontal distance be 2cm, far from upstream face head and the tail hinged place
Arc surface is processed as by polishing.
Each cold plate 2 is fixed with upstream face forms several cavitys 3, filled with for waterproof and suction in cavity 3
Water expansion, dehydration shrinkage filler material, the ingredient of filler material is polystyrene, polyurethane, epoxy resin, perlite, swelled ground,
The weight fraction ratio of its each component are as follows: polystyrene 15, polyurethane 15, epoxy resin 15, perlite 27, swelled ground 27.
By polystyrene, polyurethane, epoxy resin, perlite according to parts by weight than being uniformly mixed, loading agitator tank, then
Suitable distilled water is added in agitator tank, high-speed mixer is used persistently to stir 20min with 1000 turns/min revolving speed, is made mixed
Close liquid；Swelled ground is added into mixed liquor later, 30min is stirred persistently with 1500 turns/min revolving speed, sticky mixture is made,
Mixture is placed on the drying indoor seasoning 60min that drying temperature is 50 degree again, filler material is made.
Comparative example 1
Compared to the examples, the difference is that, in filler material the weight fraction ratio of each component be respectively polystyrene 15,
Polyurethane 15, epoxy resin 15, perlite 22, swelled ground 27.
Comparative example 2
Compared to the examples, the difference is that, in filler material the weight fraction ratio of each component be respectively polystyrene 15,
Polyurethane 15, epoxy resin 15, perlite 32, swelled ground 27.
Comparative example 3
Compared to the examples, the difference is that, in filler material the weight fraction ratio of each component be respectively polystyrene 12,
Polyurethane 12, epoxy resin 12, perlite 27, swelled ground 27.
Comparative example 4
Compared to the examples, the difference is that, in filler material the weight fraction ratio of each component be respectively polystyrene 18,
Polyurethane 18, epoxy resin 18, perlite 27, swelled ground 27.
Comparative example 5
The difference is that, polyurethane is not added in filler material compared to the examples,.
Comparative example 6
The difference is that, polystyrene is not added in filler material compared to the examples,.
Comparative example 7
The difference is that, epoxy resin is not added in filler material compared to the examples,.
Comparative example 8
The difference is that, not set cold plate 2 on upstream face, be adhesively fixed on upstream face waterproof compared to the examples,
The ingredient of layer, waterproof layer is other compositions of the filler material in addition to swelled ground in embodiment, and the weight fraction ratio of each ingredient is all
Unanimously, waterproofing layer thickness 2cm.
Comparative example 9
Compared to the examples, the difference is that, filler material is not filled by cavity 3.
The production method of filler material is identical as the production method of filler material in embodiment in comparative example 1- comparative example 8.
Embodiment and comparative example 1-8 is put into laboratory to test, is tested to simulate the feelings to take a shower in actual life
Shape, specifically: a large amount of vapor is generated using steam generator in closed space, and is loaded onto closed space
Confined space, and every side extension elongation are stretched out in 1 super bath lamp, the light ceramic wallboard two sides in embodiment and comparative example 1-9
Vapor identical, that the upstream face face steam generator of each light ceramic wallboard is generated, test daily 2 times, test is opened
Time beginning is 8 points of morning and 8 points at night, and each testing time is 1 hour, in order to more preferably distinguish embodiment and each comparative example
Waterproof performance, this experiment follow-on test 30 days.
The experimental result of this experiment is wet from the water content of light ceramic wallboard and the moist area of light ceramic wallboard back side
Degree considers, selects water content as the reference result of experiment and is because test specimen waterproof performance and water penetration are into having directly inside test specimen
Relationship is connect, for example, test specimen waterproof performance is good, then vapor permeation is just few into test specimen inside, and the water absorbed is just few, then test specimen contains
Water is just few；What the water content of this measuring test specimen was selected is microwave moisture meter.
It is to have reached critical point because of certain test specimen water saturations that moist area's humidity, which is selected, as the reference result of experiment,
Water penetration goes out back side, and the water content of these test specimens is almost consistent, then needs to calculate the humidity in moist area；The hygrometer in moist area
Calculation method using Chongqing Univ. of Architecture (existing University Of Chongqing) the journal third phase " construction wall humidity area humidity calculation method is ground
Study carefully ", extractive technique parameter in an experiment: length l, diffusivity D0, coefficient of transmissibility k0, the humidity area Temperature Distribution t in moist area
And Fourier number F0, and the humidity in moist area is obtained using the calculation method in document.
Experimental result such as table 1, what table 1 recorded is test specimen in entire experiment the case where the above evaluation index.
Table 1
| Water content before test | Water content after test | The humidity in moist area | |
| Embodiment | 5.23% | 6.43% | Free from dampness area |
| Comparative example 1 | 5.32% | 6.91% | Free from dampness area |
| Comparative example 2 | 5.21% | 6.39% | Free from dampness area |
| Comparative example 3 | 5.52% | 7.23% | Free from dampness area |
| Comparative example 4 | 5.15% | 6.29% | Free from dampness area |
| Comparative example 5 | 5.76% | 12.55% | Free from dampness area |
| Comparative example 6 | 5.94% | 13% | 4.23% |
| Comparative example 7 | 6.21% | 13% | 3.82% |
| Comparative example 8 | 5.52% | 7.32% | Free from dampness area |
| Comparative example 9 | 6.74% | 13% | 7.62% |
It is compared and is found by embodiment, comparative example 1 and comparative example 2, embodiment, comparative example 1 and all frees from dampness of comparative example 2
Area, and embodiment test front and back water content increases 1.2%, the test of comparative example 1 front and back water content increases 1.59%, comparative example
2 test front and back water content increase 1.18%, and the water content incrementss of embodiment and comparative example 2 are not much different, then perlite
Weight fraction ratio has been more than after 27, and waterproof performance is not obviously improved.
It reviews embodiment and has differed 0.39% with the aqueous incrementss of comparative example 1, there is apparent gap, the waterproof of embodiment
The waterproof performance of performance test ratio 1 is good, then after the weight fraction ratio of perlite is lower than 27, the waterproof performance of light ceramic wallboard
It significantly decreases.
It is compared and is found by embodiment, comparative example 3 and comparative example 4, embodiment, comparative example 3 and all frees from dampness of comparative example 4
Area, and embodiment test front and back water content increases 1.2%, the test of comparative example 3 front and back water content increases 1.71%, comparative example
4 test front and back water content increases 1.14%, the water content incrementss of embodiment and comparative example 4 are not much different, then polystyrene,
Polyurethane, epoxy resin portion rate more than 15 when, the waterproof performance of light ceramic wallboard is without being obviously improved.
It reviews embodiment and has differed 0.51% with the aqueous incrementss of comparative example 3, there is apparent gap, the waterproof of embodiment
The waterproof performance of performance test ratio 3 is good, then when polystyrene, polyurethane, epoxy resin portion rate are below 15, light ceramic
The waterproof performance of wallboard significantly decreases.
It is found by embodiment and comparative example 5-7 comparison, embodiment and all free from dampness areas of comparative example 5, comparative example 6 and comparison
Example 7 has moist area, and embodiment test front and back water content increases 1.2%, and the test of comparative example 5 front and back water content increases
6.79%, the aqueous incrementss of embodiment and the test of comparative example 5 front and back have apparent gap, then can obtain: it is right to lack a certain component
Waterproof performance of the invention has a significant effect.
It is found by embodiment and the comparison of comparative example 8, it is obvious poor that embodiment has with the aqueous incrementss in comparative example test front and back
Away from can then obtain: lacking the connection structure feature between 2 position of cold plate and cold plate 2 of the invention to waterproofness of the invention
It can have a significant effect.
Find that embodiment free from dampness area, comparative example 9 has moist area, and the two has obviously by embodiment and the comparison of comparative example 9
Difference, then can obtain: lack filler material of the invention, the waterproof performance of light ceramic wallboard is greatly reduced.
It was therefore concluded that: the present invention has good waterproof performance, the follow-on test 1 month under simulated environment, the present invention
The test of light ceramic wallboard after free from dampness area, and the increase of water content is less.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge can know the prior art all in the field, and have using routine experiment hand before the date
The ability of section, one skilled in the art can improve and be implemented in conjunction with self-ability under the enlightenment that the application provides
This programme, some typical known features or known method should not become one skilled in the art and implement the application
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Several modifications and improvements out, these also should be considered as protection scope of the present invention, these all will not influence the effect that the present invention is implemented
Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
The records such as body embodiment can be used for explaining the content of claim.
Claims (6)
1. light ceramic waterproof wallboard, it is characterised in that: several being successively obliquely installed including upstream face and from top to bottom are cold
Solidifying plate, the inclined direction of adjacent cold plate is different, adjacent cold plate join end to end and be it is hinged, it is close in adjacent cold plate
The place of joining end to end of upstream face is slidably connected with upstream face, and glide direction is vertical direction, is located at the top and is located at most lower
The free end of the cold plate of side is hinged with upstream face, and positioned at the top of the top cold plate and positioned at bottom cold plate
Lower section is fixedly installed with the elastic component resetted for it, and each cold plate and upstream face form several cavitys, in cavity
Filled with the filler material for waterproof and water swelling, dehydration shrinkage, the ingredient of filler material is polystyrene, polyurethane, ring
Oxygen resin, perlite, swelled ground.
2. light ceramic waterproof wallboard according to claim 1, it is characterised in that: the parts by weight of each raw material in filler material
Than for polystyrene 15, polyurethane 15, epoxy resin 15, perlite 27, swelled ground 27.
3. light ceramic waterproof wallboard according to claim 1, it is characterised in that: the cold plate level positioned at the top is set
It sets.
4. light ceramic waterproof wallboard according to claim 3, it is characterised in that: in addition to being located at the top cold plate
Cold plate and acute angle formed by upstream face are all the same.
5. light ceramic waterproof wallboard according to claim 4, it is characterised in that: the place of joining end to end far from upstream face is equal
It is processed as arc surface.
6. -5 any light ceramic waterproof wallboard according to claim 1, it is characterised in that: each cold plate is that aluminium closes
Metal type material.
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|---|---|---|---|
| CN201811362406.9A CN109505376A (en) | 2018-11-15 | 2018-11-15 | Light ceramic waterproof wallboard |
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|---|---|---|---|
| CN201811362406.9A CN109505376A (en) | 2018-11-15 | 2018-11-15 | Light ceramic waterproof wallboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112144751A (en) * | 2020-09-18 | 2020-12-29 | 陈浩 | Composite foamed cement board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144751A (en) * | 2020-09-18 | 2020-12-29 | 陈浩 | Composite foamed cement board |
| CN112144751B (en) * | 2020-09-18 | 2022-05-17 | 陈浩 | Composite foamed cement board |
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Application publication date: 20190322 |