CN103819129B - A kind of weatherability silica sand hanging plate and preparation method thereof - Google Patents
A kind of weatherability silica sand hanging plate and preparation method thereof Download PDFInfo
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- CN103819129B CN103819129B CN201310749926.6A CN201310749926A CN103819129B CN 103819129 B CN103819129 B CN 103819129B CN 201310749926 A CN201310749926 A CN 201310749926A CN 103819129 B CN103819129 B CN 103819129B
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Abstract
The invention discloses a kind of weatherability inner-outer wall silica sand hanging plates, including high intensity bottom and air permeable waterproof face layer, which is characterized in that air permeable waterproof type face layer is prepared by the raw material with following weight proportion：100 parts of precoated sand, 15 parts of waterproofing agent, 1 10 parts of fire retardant, 4 12 parts of weatherability compound binding agent, the ultra-violet absorber for being equivalent to weatherability compound binding agent quality 0 2%.Wall-mounted panel provided by the invention also has splendid weatherability other than with performances such as warming, adjusting air humidities.The promotion of this weatherability reduces materials for wall because durability caused by being changed by outside climatic is reduced, so as to extend the service life of building.
Description
Technical field
The present invention relates to Material Fields, provide a kind of silica sand hanging plate and preparation method thereof for inner-outer wall.
Background technology
Existing inner-outer wall hanging plate mainly has stone material, cement synthetic material, ceramics as the decoration and protective layer of building
Brick, coating, paint etc..These construction materials have the invasion for resisting nature (wind, rain and snow etc.), while can also prevent too
Sun radiation, the interference of noise simultaneously have windproof, waterproof, heat preservation, heat-insulated and other effects.But in addition to stone material, other traditional architecture materials
The weatherability of material is poor.
In addition, the prior art has also seen various new silica sand hanging plate, such as：
Chinese patent ZL200810069423.3 discloses a kind of heat-insulation decorative board for skin, dress
Finish coat is made of decoration mortar layer and anticracking grout layer, and decoration mortar layer is bright by cement, silica sand, inorganic pigment powder, cement
The weight proportion of powder, nanometer silicon ash and water-reducing agent composition, decoration mortar layer is cement 95~105: silica sand 140~160: inorganic face
Feed powder 2.5~3.5: cement glitter powder 0.8~1.2: nanometer silicon ash 4.5~5.5: water-reducing agent 0.8~1.2.Architectural surface and guarantor
Adiabator layer is bonded by binder and cracking resistance mortar layer, and centre is equipped with alkali resistant glass fiber reticular cloth and extends in decorative panel surrounding,
Convenient for being installed when construction.Decorative effect is various, and cost of manufacture is lower, is suitble to industrialization large-scale production, and can adapt to not
Same Changes in weather weatherability is strong.
Chinese patent ZL201010194596.5 discloses a kind of wall-mounted panel, the wall-mounted panel include hygroscopicity face layer,
Water proofing property bottom, hanging plate skeleton and light-emitting device, the light-emitting device are at least embedded in the hygroscopicity face layer and can be outside
Emit light.The patent further discloses a kind of preparation method of wall-mounted panel, wherein:Hygroscopicity aggregate and first are glued
It ties in agent merging mold, for forming hygroscopicity face layer;The hanging plate skeleton for being fixed with light-emitting device is placed on described
In mold;Water proofing property aggregate, heat insulating ability aggregate and the second binder are placed in the mold, for forming water proofing property bottom
Layer;Heat treatment or irradiating microwaves are carried out to the mold, to be formed by curing the wall-mounted panel, the light-emitting device insertion
Light can be emitted in the hygroscopicity face layer and outward.
Although silica sand hanging plate disclosed in the above-mentioned prior art has certain weatherability, its complicated components, and in reality
What weatherability embodied in application process is unsatisfactory.Outdoor architecture material will undergo the erosion of the natural environments such as sunshine, rain and dew, because
This weatherability directly determines the service life of construction material.Weatherability difference is one of the major issue that silica sand hanging plate faces, and
Silica sand hanging plate weatherability depends primarily on the weatherability of binder used in production silica sand hanging plate.Therefore, it studies binder and improves
Its weatherability seems most important.As Decorative hanging board, it is also an important task to improve bending strength.In addition, hanging plate
Production technology is also there is an urgent need for changing, to improve production efficiency.
In view of this, special propose the present invention.
Invention content
The first object of the present invention is to provide a kind of weatherability inner-outer wall silica sand hanging plate, of the existing technology to solve
Artificial silica sand decorating inner and external walls hanging plate weatherability technical problem.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of weatherability inner-outer wall silica sand hanging plate, including bottom and air permeable waterproof face layer, which is characterized in that described ventilative anti-
Water type face layer is prepared by the raw material with following weight proportion：100 parts of precoated sand, 1-5 parts of waterproofing agent, fire retardant 1-10
Part, 4-12 parts of weatherability compound binding agent, the ultra-violet absorber for being equivalent to weatherability compound binding agent quality 0-2%.
Wherein, preferably air permeable waterproof type face layer is prepared by the raw material with following weight proportion：Precoated sand 100
Part, 4 parts of waterproofing agent, 6-8 parts of fire retardant, 6-8 parts of weatherability compound binding agent, weatherability compound binding agent quality 1-1.8% purple
Ultraviolet absorbers.
Weatherability inner-outer wall silica sand hanging plate of the present invention, the weatherability compound binding agent（Can also it claim herein
For first bonding agents）For acroleic acid binding agent or polyurethane adhesive.Wherein, acroleic acid binding agent is by acrylic resin 40-120
Part, 10-30 parts, reinforcing agent 1-10 of urethane oligomer, 0-3 parts of compositions of ultra-violet absorber（It is preferred that 1-3 parts）, polyurethane bonding
Agent is by 30-120 parts of polyester or polyether polyol, 10-40 parts, reinforcing agent 1-10 of urethane oligomer, 0-3 parts of ultra-violet absorber
Composition.
In above-mentioned weatherability compound binding agent, reinforcing agent, acrylic resin, urethane oligomer, polyester or polyether polyols
Alcohol is commercial product, and if white carbon can be selected in reinforcing agent, the brilliant same limited public affairs of Dehua work in Foshan City can be selected in acrylic resin
AC1012C, ACR6780 etc. of production are taken charge of, Beijing Comens New Materials Co., Ltd.'s life can be selected in the urethane oligomer
The 8250B etc. of production, the polyester or polyether polyol be Yantai San Jiang chemical materials Co., Ltd production SD-30, SD-40,
330N, 4110 etc. are selected specifically to those skilled in the art and are grasped, and the present invention is not particularly limited this.
One skilled in the art will appreciate that compound binding agent as breathable water repellant layer core component to inner-outer wall silica sand hanging plate
Weatherability have a direct impact.Inventor has found that ideal compound binding agent can significantly improve in practical R＆D process
The weatherability of board finish, the test of 1000h weatherabilities are hung, value of chromatism is only the 1/4-1/2 for being other type silica sand hanging plate face layers.
Weatherability inner-outer wall silica sand hanging plate of the present invention, the waterproofing agent are waterproofing agent of organosilicon or aliphatic acid waterproof
Agent；It is preferred that waterproofing agent of organosilicon, both waterproofing agents are commercial product disclosed in the prior art, and those skilled in the art can be according to
It is selected according to actual conditions, the present invention is not particularly limited this.Above-mentioned waterproofing agent can significantly improve the hydrophobicity of face layer,
Face layer contacts angle is 1.5-2 times of other silica sand hanging plates.
Weatherability inner-outer wall silica sand hanging plate of the present invention, the fire retardant are selected from ammonium polyphosphate, triphenyl phosphate, ten
Dibromodiphenyl ether, magnesium hydroxide, one kind in aluminium hydroxide, dimethyl methyl phosphonate, antimony oxide, preferably dimethyl methyl phosphonate.
Weatherability inner-outer wall silica sand hanging plate of the present invention, the ultra-violet absorber are selected from ultra-violet absorber
One kind in UV-531, F-22, UV-292 or phenyl salicylate, preferably UV-531.
It is preferably that drift-sand passes through by cleaning, screening that inner-outer wall silica sand of the present invention, which hangs the facing sand selected by board finish,
The roughing sand of gained can also be the overlay film color sand that roughing sand is obtained by the techniques such as overlay film and colouring.
Weatherability inner-outer wall silica sand hanging plate of the present invention, the bottom are prepared by the raw material with following weight proportion
It forms：100 parts of water proofing property aggregate, 1-20 parts of heat insulating ability aggregate, 1-10 parts of enhancement aggregate, 1-40 parts of the second binder.Wherein,
It is preferred that 100 parts of water proofing property aggregate, 5-10 parts of heat insulating ability aggregate, 4-8 parts of enhancement aggregate, 10-20 parts of the second binder.
Weatherability inner-outer wall silica sand hanging plate of the present invention, the water proofing property aggregate are Waterproof sand, silica flour and swollen
Moisten one or more of soil；The mean particle diameter of the water proofing property aggregate is 50-150 μm.
Weatherability inner-outer wall silica sand hanging plate of the present invention, the heat insulating ability aggregate are granular polystyrene, haydite, pearl
One or more of rock and vermiculite, and the mean particle diameter of the heat insulating ability aggregate is 1-20mm.
Weatherability inner-outer wall silica sand hanging plate of the present invention, the reinforcing agent are in PE fibers, PP fibers, glass fibre
One or more.
Weatherability inner-outer wall silica sand hanging plate of the present invention, second binder are cement, aqueous polyurethane bonding
Agent and cement admixture, aqueous acrylamide acid binder and one kind in cement admixture.
The second object of the present invention is to provide the preparation method of above-mentioned weatherability inner-outer wall silica sand hanging plate, particular technique side
Case is as follows：
Step 1：Be placed in framed in steel pallet, then by uniformly mixed bottom raw material merging it is framed in, vibrations strike off
Supporting plate is placed in afterwards and rolls progress first time roller-compaction on line, after, supporting plate is rotated 180 °, then rolled for the second time
Molding, gained is silica sand hanging plate bottom；
Step 2：Face stock is placed on molded bottom, lays pressing plate after striking off, supporting plate is placed in and is rolled on line
Roller-compaction is carried out, pressing plate is removed after molding and opposite layer is modified, is removed after meeting the requirements framed, you can obtain being wanted
The hanging plate of production；
Step 3：Step 2 gained hanging plate is packaged up to weatherability inner-outer wall into carrying out cutting after maintenance at normal temperatures
Silica sand hanging plate.
The present invention uses desert drift-sand for raw material, and abundance is turned waste into wealth；It is covered using reactive film coating technique
The processing of film sand and coloring, can obtain the coloury color sand of different size, direction is provided for the diversification of product；Using propylene
The high molecular polymer that acids, modified polyurethane etc. have excellent weather resistance carries out product bonding, is aided with waterproofing agent, ultraviolet radiation absorption
The product that agent, fire retardant obtain has excellent weatherability, physical and chemical properties；The simple production process of product only needs to grind
Molded, normal temperature cure meets requirements of mass production.
More specifically, although what is used in technical solution of the present invention is all known common materials, this species specificity
Combination can generate unexpected technique effect.The weatherability inner-outer wall silica sand hanging plate that the present invention obtains has ideal superior
Performance, the value of chromatism for hanging board finish are 1.34 or so, are less than the value of chromatism of product face layer in patent ZL201010194596.5
1.91.The hydrophobicity of hanging plate is 1.5-2 times of product in patent ZL201010194596.5, and the flexural strength of this kind of hanging plate and
Product is compared to 2-2.5 times of raising in patent ZL201010194596.5.And permeability is sent out there is no the change because of formula
Raw significant change.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention., wherein chemical reagent used is equal
For commercial goods.
The preparation of 1 weatherability inner-outer wall hanging plate of embodiment
Face layer：By the grain size of 100kg be 160 μm precoated sand, the waterproofing agent of organosilicon (TSR194) of 7kg, 10kg first
The UV- of base dimethyl phosphonate, the acrylic resin (AC1012C) of 4.8kg, the urethane oligomer (8250B) of 1.2kg, 0.1kg
531,0.5kg white carbons, the UV-531 of 0.1kg are uniformly mixed, obtain hanging plate fabric.
Bottom：By Waterproof sand 100kg, vermiculite 8kg, PE fiber 7kg, cement 30kg, water 5kg is uniformly mixed, and obtains hanging plate
Bottom material.
Face stock is stocked up：Desert drift-sand is taken, through cleaning, screening technology obtains 160 μm of precoated sand；Precoated sand is through covering
Film colours, and obtains the coloury color sand of different size；First binder, ultra-violet absorber, waterproofing agent are added in color sand
And fire retardant, it is uniform through mechanical agitation, produce silica sand hanging plate face stock.
Preparation process：
Step 1：Be placed in framed in steel pallet, then by uniformly mixed bottom raw material merging it is framed in, vibrations strike off
Supporting plate is placed in afterwards and rolls progress first time roller-compaction on line, after, supporting plate is rotated 180 °, then rolled for the second time
Molding, gained is silica sand hanging plate bottom；
Step 2：Face stock is placed on molded bottom, lays pressing plate after striking off, supporting plate is placed in and is rolled on line
Roller-compaction is carried out, pressing plate is removed after molding and opposite layer is modified, is removed after meeting the requirements framed, you can obtain being wanted
The hanging plate of production；
Step 3：Step 2 gained hanging plate is packaged up to weatherability inner-outer wall into carrying out cutting after maintenance at normal temperatures
Silica sand hanging plate.
Silica sand hanging plate prepared by the present embodiment, air penetrability are 0.5mL/ (cm2S), flexural strength 8MPa, and face layer
More 112 ° of contact, 500h artificial ageing values of chromatism are 1.34.
The preparation of 2 weatherability inner-outer wall hanging plate of embodiment
Face layer：By the grain size of 100kg be 200 μm precoated sand, the waterproofing agent of organosilicon (TSR165) of 8kg, 9kg methyl
Dimethyl phosphonate, the polyester polyol (SD-40) of 6.4kg, the urethane oligomer (8250B) of 1.6kg, 0.5kg white carbons,
The UV-531 of 0.1kg is uniformly mixed, and obtains hanging plate fabric.
Bottom：Waterproof sand 100kg, vermiculite 9kg, glass fibre 6kg, cement 30kg, water-based acrylic resin 10kg, mixing
Uniformly, hanging plate bottom material is obtained.
Face stock is stocked up：Desert drift-sand is taken, through cleaning, screening technology obtains 200 μm of precoated sand；Precoated sand is through covering
Film colours, and obtains the coloury color sand of different size；First binder, ultra-violet absorber, waterproofing agent are added in color sand
And fire retardant, it is uniform through mechanical agitation, produce silica sand hanging plate fabric.
Preparation process：
Step 1：Be placed in framed in steel pallet, then by uniformly mixed bottom raw material merging it is framed in, vibrations strike off
Supporting plate is placed in afterwards and rolls progress first time roller-compaction on line, after, supporting plate is rotated 180 °, then rolled for the second time
Molding, gained is silica sand hanging plate bottom；
Step 2：Face stock is placed on molded bottom, lays pressing plate after striking off, supporting plate is placed in and is rolled on line
Roller-compaction is carried out, pressing plate is removed after molding and opposite layer is modified, is removed after meeting the requirements framed, you can obtain being wanted
The hanging plate of production；
Step 3：Step 2 gained hanging plate is packaged up to weatherability inner-outer wall into carrying out cutting after maintenance at normal temperatures
Silica sand hanging plate.
Silica sand hanging plate prepared by the present embodiment, air penetrability air penetrability are 0.53mL/ (cm2S), flexural strength is
10MPa, and more 109 ° of face layer contacts, 500h artificial ageing values of chromatism are 1.83.
The preparation of 3 weatherability inner-outer wall hanging plate of embodiment
Face layer：By the grain size of 100kg be 75 μm precoated sand, the waterproofing agent of organosilicon (TSR194) of 8kg, 10kg methyl
Dimethyl phosphonate, the acrylic resin (ACR6780) of 6.4kg, the urethane oligomer (8250B) of 1.6kg, 0.6kg white carbons,
The UV-531 of 0.1kg is uniformly mixed, and obtains hanging plate fabric.
Bottom：Waterproof sand 100kg, vermiculite 8kg, glass fibre 8kg, cement 30kg, waterborne polyurethane resin 10kg mixing
Uniformly, hanging plate bottom material is obtained.
Face stock is stocked up：Desert drift-sand is taken, through cleaning, screening technology obtains 75 μm of precoated sand；Precoated sand is through covering
Film colours, and obtains the coloury color sand of different size；First binder, ultra-violet absorber, waterproofing agent are added in color sand
And fire retardant, it is uniform through mechanical agitation, it produces silica sand and hangs board finish.
Preparation process：
Step 1：Be placed in framed in steel pallet, then by uniformly mixed bottom raw material merging it is framed in, vibrations strike off
Supporting plate is placed in afterwards and rolls progress first time roller-compaction on line, after, supporting plate is rotated 180 °, then rolled for the second time
Molding, gained is silica sand hanging plate bottom；
Step 2：Face stock is placed on molded bottom, lays pressing plate after striking off, supporting plate is placed in and is rolled on line
Roller-compaction is carried out, pressing plate is removed after molding and opposite layer is modified, is removed after meeting the requirements framed, you can obtain being wanted
The hanging plate of production；
Step 3：Step 2 gained hanging plate is packaged up to weatherability inner-outer wall into carrying out cutting after maintenance at normal temperatures
Silica sand hanging plate.
Silica sand hanging plate prepared by the present embodiment, air penetrability air penetrability are 0.47mL/ (cm2S), flexural strength is
11MPa, and more 115 ° of face layer contacts, 500h artificial ageing values of chromatism are 1.13.
The preparation of 4 weatherability inner-outer wall hanging plate of embodiment
Face layer：By the grain size of 100kg be 160 μm precoated sand, the waterproofing agent of organosilicon (TSR165) of 7kg, 10kg first
Urethane oligomer (8250B), the 0.5kg hard charcoals of base dimethyl phosphonate, the acrylic resin (ACR6780) of 4.8kg, 1.2kg
Black, 0.1kg UV-531 is uniformly mixed, and obtains hanging plate fabric.
Bottom：Waterproof sand 100kg, vermiculite 8kg, PP fiber 7kg, cement 25kg, water-based acrylic resin 10kg mixing are equal
It is even, obtain hanging plate bottom material.
Face stock is stocked up：
（1）Desert drift-sand is taken, through cleaning, screening technology obtains the precoated sand of 20-200 mesh；Precoated sand is coloured through overlay film,
Obtain the coloury color sand of different size；It is added first binder in color sand, ultra-violet absorber, waterproofing agent and fire-retardant
Agent, it is uniform through mechanical agitation, it produces silica sand and hangs board finish.
Preparation process is the same as embodiment 1.
Silica sand hanging plate prepared by the present embodiment, air penetrability air penetrability are 0.49mL/ (cm2S), flexural strength is
8MPa, and more 105 ° of face layer contacts, 500h artificial ageing values of chromatism are 1.46.
The preparation of 5 weatherability inner-outer wall hanging plate of embodiment
Face layer：By the grain size of 100kg be 380 μm precoated sand, the waterproofing agent of organosilicon (TSR165) of 6kg, 9kg methyl
Dimethyl phosphonate, the acrylic resin (ACR6780) of 4.8kg, the urethane oligomer (8250B) of 1.2kg, 0.6kg white carbons,
The UV-531 of 0.1kg is uniformly mixed, and obtains hanging plate fabric.
Bottom：Waterproof sand 100kg, vermiculite 8kg, PE fiber 8kg, cement 30kg, aqueous polyurethane 15kg are uniformly mixed,
Obtain hanging plate bottom material.
Preparation process is the same as embodiment 4.
Silica sand hanging plate prepared by the present embodiment, air penetrability air penetrability are 0.56mL/ (cm2S), flexural strength is
11MPa, and more 100 ° of face layer contacts, 500h artificial ageing values of chromatism are 1.38.
Reference examples 1：
（1）The epoxy adhesive of the silica sand (mean particle diameter is 500 μm) of 100 parts by weight, 6 parts by weight is mixed
Uniformly, hygroscopicity face layer material is obtained.
（2）By Waterproof sand (Beijing Huichuang Technology Group Co., Ltd, STS-303, the mean particle diameter of 100 parts by weight
Be 120 μm), the perlite (mean particle diameter 2mm) of 3 parts by weight, cement (Lafarge, the 425#) mixing of 25 parts by weight it is equal
It is even, obtain water proofing property bottom material.
（3）Step is added in the steel die that size is 30 × 60 × 3 centimetres（1）In obtained hygroscopicity face layer material
Material, later, setting " well " font hanging plate skeleton (a diameter of 4mm, cold-drawn bar), later by step（2）In obtained water proofing property
Bottom is added to material in mold, is cured 6 hours at 80 DEG C, is obtained wall-mounted panel.
Silica sand hanging plate prepared by the reference examples, air penetrability air penetrability are 0.49mL/ (cm2S), flexural strength is
8.21MPa, and more 96.6 ° of face layer contacts, 500h artificial ageing values of chromatism are 1.94.It follows that silica sand of the present invention
The comprehensive performance of hanging plate is significantly better than existing product.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. a kind of weatherability inner-outer wall silica sand hanging plate, including bottom and air permeable waterproof face layer, which is characterized in that the air permeable waterproof
Type face layer is prepared by the raw material with following weight proportion：100 parts of precoated sand, 1-5 parts of waterproofing agent, 1-10 parts of fire retardant,
4-12 parts of weatherability compound binding agent, the ultra-violet absorber for being equivalent to weatherability compound binding agent quality 0-2%；Described is resistance to
Time property compound binding agent is acrylic adhesive or polyurethanes binder, and the acrylic adhesive is by acrylic resin
40-120 parts, 10-30 parts of urethane oligomer, 1-10 parts of reinforcing agent, 0-3 parts of compositions of ultra-violet absorber；The polyurethanes
Binder is by 30-120 parts of polyester or polyether polyol, 10-40 parts of urethane oligomer, 1-10 parts of reinforcing agent, ultraviolet radiation absorption
0-3 parts of compositions of agent.
2. silica sand hanging plate according to claim 1, which is characterized in that the waterproofing agent is waterproofing agent of organosilicon or aliphatic acid
Waterproofing agent.
3. silica sand hanging plate according to claim 2, which is characterized in that the waterproofing agent is waterproofing agent of organosilicon.
4. silica sand hanging plate according to claim 1, which is characterized in that the fire retardant is selected from ammonium polyphosphate, phosphoric acid triphen
Ester, deca-BDE, magnesium hydroxide, one kind in aluminium hydroxide, dimethyl methyl phosphonate, antimony oxide.
5. silica sand hanging plate according to claim 1, which is characterized in that the ultra-violet absorber is selected from ultraviolet radiation absorption
One kind in agent UV-531, F-22, UV-292 or phenyl salicylate.
6. silica sand hanging plate according to claim 1, which is characterized in that the bottom is by the raw material with following weight proportion
It is prepared：100 parts of water proofing property aggregate, 1-20 parts of heat insulating ability aggregate, 1-10 parts of enhancement fiber, 1-40 parts of the second binder.
7. silica sand hanging plate according to claim 6, which is characterized in that the water proofing property aggregate is Waterproof sand, silica flour
One or more of with bentonite；The mean particle diameter of the water proofing property aggregate is 50-150 μm.
8. silica sand hanging plate according to claim 6, which is characterized in that the heat insulating ability aggregate be granular polystyrene, haydite,
One or more of perlite and vermiculite, and the mean particle diameter of the heat insulating ability aggregate is 1-20mm.
9. silica sand hanging plate according to claim 6, which is characterized in that the enhancement fiber is PE fibers, PP fibers, glass
One or more of glass fiber；Second binder is cement, waterborne polyurethane binders and cement admixture, aqueous
Acroleic acid binding agent and one kind in cement admixture.
10. the preparation method of any one of claim 1-9 silica sand hanging plates, it is characterised in that：Include the following steps：
Step 1：Be placed in framed in steel pallet, then by uniformly mixed bottom raw material merging it is framed in, vibrations will after striking off
Supporting plate, which is placed in, rolls progress first time roller-compaction on line, after, supporting plate is rotated 180 °, then be rolled into for the second time
Type, gained are silica sand hanging plate bottom；
Step 2：Face stock is placed on molded bottom, pressing plate is laid after striking off, supporting plate is placed in roll carried out on line
Roller-compaction, removes pressing plate after molding and opposite layer is modified, and is removed after meeting the requirements framed, you can obtain being produced
Hanging plate；
Step 3：Cutting is carried out after step 2 gained hanging plate is conserved at normal temperatures to be packaged up to weatherability inner-outer wall silica sand extension
Plate.
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| CN106630790A (en) * | 2016-11-11 | 2017-05-10 | 北京仁创生态环保科技股份公司 | Waterproof breathable coating composition and waterproof breathable material and preparation method thereof |
| CN106986619B (en) * | 2017-03-19 | 2020-06-23 | 江苏悦展新型材料有限公司 | High-temperature nano unfired sliding plate and processing technology thereof |
| CN109320902A (en) * | 2017-08-01 | 2019-02-12 | 北京仁创科技集团有限公司 | A kind of sand plastic composite materials of high fire-retardance |
| CN109320139B (en) * | 2017-08-01 | 2020-11-13 | 北京仁创科技集团有限公司 | High-strength sand-plastic composite material |
| CN107904482A (en) * | 2017-10-29 | 2018-04-13 | 江苏鼎荣电气集团有限公司 | A kind of retarding corrosion-resisting cable bridge frame and preparation method thereof |
| CN109897257A (en) * | 2017-12-08 | 2019-06-18 | 北京仁创科技集团有限公司 | A kind of sand sculpture floor and preparation method thereof |
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