CN103160150B - Use of silica sand composite materials as dewatering sparse polyhydric alcohols materials - Google Patents
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Abstract
The invention discloses use of silica sand composite materials as dewatering sparse polyhydric alcohols materials. The silica sand composite materials are spliced by aggregate particles and water-proof glue adhesive, wherein the aggregate particles are coated with hydrophobicity resin films, and the water-proof glue adhesive is capable of achieving bond combination among the aggregate particles which are coated with the hydrophobicity resin films, meanwhile gaps among the aggregate particles can be filled with the water-proof glue adhesive, and a system that the water-proof glue adhesive as intertexture is capable of hinging and coating the hydrophobicity resin films outside the aggregate particles is structured, thus characters of dewatering and sparse polyhydric alcohols of the silica sand composite materials can be guaranteed as a whole. The integrity further enables the silica sand composite materials as the dewatering sparse polyhydric alcohols materials to be used even through suffered outside abrasion, and the silica sand composite materials are abraded, the exposure newly born surface still has the characters of dewatering and sparse polyhydric alcohols, thus when the silica sand composite materials as the dewatering sparse polyhydric alcohols materials are used, the silica sand composite materials have the advantages of being long in service life of the dewatering sparse polyhydric alcohols.
Description
Technical field
The present invention relates to the purposes of a kind of silica sand matrix material as hydrophobic thin polyol masses, belong to functional materials and applied technical field thereof.
Background technology
The hydrophobicity of material refers to this material and the mutually exclusive character of water, and usual water can form the contact angle that is greater than 90 ° and in drops, the surface of hydrophobic material not easily be bedewed by water when hydrophobic material surface.In prior art, Chinese patent literature CN101838116A discloses a kind of hydrophobic granule, and this hydrophobic granule comprises the hydrophobic resin film of aggregate and coated aggregate, and make this hydrophobic granule have good hydrophobicity, and hydrophobic actual effect is long, weathering resistance is strong; The prior art also discloses simultaneously lays with described hydrophobic granule the waterproof and breathable structure formed, and described waterproof and breathable structure has excellent waterproof, air permeable effect, can be widely used in using as breathable water repellant layer bottom lakebed, river, in desert planting, waterproofing work.Hydrophobic granule disclosed in visible the prior art mainly as air-permeable, hydrophobic materials'use, and dredges the character of polyvalent alcohol for this hydrophobic granule and purposes is not reported so far.And in prior art to the universal law that the institute of material liquid-repellency energy draws be: hydrophobic material not necessarily dredges polyvalent alcohol, but the material dredging polyvalent alcohol is necessarily hydrophobic.Therefore, people also cannot predict the character that this hydrophobic granule dredges polyvalent alcohol according to the hydrophobicity of this hydrophobic granule.
Summary of the invention
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
Silica sand matrix material is as a purposes for hydrophobic thin polyol masses, and described silica sand matrix material is bondd by particles of aggregates and waterproof adhesive and forms, and described particles of aggregates is coated with hydrophobic resin film.
Described waterproof adhesive is one or more in hydrophobicity epoxy resin, urethane resin, silicone resin.
Described hydrophobic resin film is one or more in hydrophobicity epoxy resin, resol, urethane resin, silicone resin.
The mass percent that described hydrophobic resin film accounts for described particles of aggregates is 0.5-5.0%.
Described particles of aggregates is one or more in quartz sand, slag, haydite or glass microballon, and the particle diameter of described particles of aggregates is 70-300 order.
The particle diameter of described particles of aggregates is 100-200 order.
Described silica sand matrix material has the hole that gas molecule can pass through, and the aperture of described hole is 0.1-50 μm.
Described hole is formed by between adjacent described particles of aggregates.
The 4-15wt.% of the particles of aggregates of hydrophobic resin film is coated with described in described waterproof adhesive accounts for.
The mass percent being coated with the particles of aggregates of hydrophobic resin film described in described waterproof adhesive accounts for is 5-10%.
Described silica sand matrix material is obtained by following method:
(1) described hydrophobic resin is heated to molten state, described particles of aggregates is heated to 120-180 DEG C, the hydrophobic resin of molten state is added in the particles of aggregates after heating, mixing mixing, described hydrophobic resin is made to be dispersed in the surface of described particles of aggregates, then cool, sieve, obtain the particles of aggregates being coated with hydrophobic resin film;
(2) particles of aggregates being coated with hydrophobic resin film is mixed with described waterproof adhesive, then pour forming mould into;
(3) namely the curing molding demoulding obtains the silica sand matrix material of described hydrophobic thin polyvalent alcohol.
In described step (1), described particles of aggregates is heated to 130-160 DEG C.
In described step (3), the temperature of described curing molding is 25-120 DEG C, and the time of described curing molding is 2-48 hour.
In described step (3), the time of described curing molding is 6-10 hour.
The present invention compared with prior art has the following advantages:
(1) silica sand matrix material of the present invention is as the purposes of hydrophobic thin polyol masses, described silica sand matrix material is bondd by particles of aggregates and waterproof adhesive and forms, and be coated with hydrophobic resin film at described particles of aggregates, thus particles of aggregates is made to be provided with hydrophobic characteristic further except the effect with support frame by the coating function of hydrophobic resin, the interpolation of waterproof adhesive achieves coheres combination between the above-mentioned particles of aggregates being coated with hydrophobic resin, make the gap of cohering between above-mentioned particles of aggregates be filled by waterproof adhesive simultaneously, constructing with waterproof adhesive is the system that intertexture link is coated on the hydrophobic resin film outside particles of aggregates, thus ensure that the hydrophobicity of silica sand matrix material and the characteristic of thin polyvalent alcohol on the whole, even if this globality makes to be subject to extraneous wearing and tearing during the materials'use of described silica sand matrix material as hydrophobic thin polyvalent alcohol further, the fresh surface exposed after its wearing and tearing still has the characteristic of hydrophobic thin polyvalent alcohol, thus make to have during the materials'use of described silica sand matrix material as hydrophobic thin polyvalent alcohol long advantage of hydrophobic thin polyvalent alcohol life-span.
(2) silica sand matrix material of the present invention is as the purposes of hydrophobic thin polyol masses, waterproof adhesive in described silica sand matrix material is hydrophobicity epoxy resin, urethane resin, one or more in silicone resin, hydrophobic resin film is hydrophobicity epoxy resin, resol, urethane resin, one or more in silicone resin, namely described waterproof adhesive and hydrophobic resin film are not fluorine-containing material, the price of its price fluoric compound more of the prior art is much lower, thus greatly reduce the cost of described silica sand matrix material, and then make, during the materials'use of described silica sand matrix material as hydrophobic thin polyvalent alcohol, there is the low advantage of cost.
(3) silica sand matrix material of the present invention is as the purposes of hydrophobic thin polyol masses, particles of aggregates in described silica sand matrix material is one or more in quartz sand, slag, haydite or glass microballon, these cost of material are low, thus reduce cost when described silica sand matrix material uses as hydrophobic thin polyol masses; In addition, described particles of aggregates is without any murder by poisoning, thus safety and environmental protection when described silica sand matrix material is used as hydrophobic thin polyol masses.
(4) silica sand matrix material of the present invention is as the purposes of hydrophobic thin polyol masses, the particle diameter of the particles of aggregates in described silica sand matrix material is 70-300 order, thus the silica sand matrix material that described particles of aggregates is obtained after the link of hydrophobic resin coated and waterproof adhesive has coarse surface on microcosmic, and then improve the characteristic of the hydrophobic thin polyvalent alcohol of described silica sand matrix material.
(5) silica sand matrix material of the present invention is as the purposes of hydrophobic thin polyol masses, described silica sand matrix material has the hole that gas molecule can pass through, the pore diameter range of described hole is 0.1-50 μm, make described silica sand matrix material have ventilation property, therefore described silica sand matrix material can be used as the hydrophobic thin polyol masses use of ventilation property; In addition, the character of the hydrophobic thin polyvalent alcohol that described silica sand matrix material has makes water molecules and polyol molecule exist with the form of small droplets on the surface of described silica sand matrix material, and small droplets can not penetrate in described hole, therefore make described silica sand matrix material also have the performance preventing water molecules and polyol molecule infiltration while having ventilation property and hydrophobic thin polynary alcoholic, thus make described silica sand matrix material can be used as the hydrophobic thin polyol masses use of ventilation anti-seepage.
(6) silica sand matrix material of the present invention is as the purposes of hydrophobic thin polyol masses, described silica sand matrix material can prepare by mixing also curing molding on described particles of aggregates after coated by hydrophobic resin molding with described waterproof adhesive, has the simple advantage of preparation technology.
Embodiment
More being convenient to make technical solutions according to the invention understand, below in conjunction with embodiment, technical solutions according to the invention being further elaborated.
Embodiment 1
A kind of silica sand matrix material, bondd by particles of aggregates and waterproof adhesive and form, described particles of aggregates is coated with hydrophobic resin film.In the present embodiment, described particles of aggregates is quartz sand, and the particle diameter of described quartz sand is 70 orders; Described hydrophobic resin is hydrophobicity epoxy resin, and described hydrophobic resin film accounts for the 0.5wt.% of described particles of aggregates; Described waterproof adhesive is hydrophobicity epoxy resin, and described waterproof adhesive accounts for the 4.0wt.% of the particles of aggregates being coated with hydrophobic resin film.
Described silica sand matrix material is obtained by following method:
(1) described hydrophobicity epoxy resin is heated to molten state, described quartz sand particle is heated to 120 DEG C, hydrophobicity epoxy resin is added in the quartz sand particle after heating, the add-on of hydrophobicity epoxy resin is 0.5% of described quartz sand particle quality, by the two mixing mixing, make described hydrophobicity epoxy resin be dispersed in the surface of described quartz sand particle, then cool, sieve, obtain the particles of aggregates being coated with hydrophobicity epoxy resin film;
(2) particles of aggregates being coated with hydrophobic resin film is mixed with described waterproof adhesive and hydrophobicity epoxy resin, described waterproof adhesive accounts for the 4.0wt.% of the particles of aggregates being coated with hydrophobicity epoxy resin film, pours forming mould into after the two being mixed;
(3) placing 48h at 25 DEG C is cured shaping, and then namely the demoulding obtains described silica sand matrix material.
Described silica sand matrix material is used for hydrophobic thin polyol masses, and described polyvalent alcohol comprises: ethylene glycol, 1,2-PD, 1,3-PD, glycerol (glycerine), poly(oxyethylene glycol) 400.
Embodiment 2
A kind of silica sand matrix material, bondd by particles of aggregates and waterproof adhesive and form, described particles of aggregates is coated with hydrophobic resin film.In the present embodiment, described particles of aggregates is the mixture that quartz sand and slag form with weight ratio 4:1, and the particle diameter of described quartz sand is 200 orders, and the particle diameter of described slag is 100 orders; Described hydrophobic resin is hydrophobicity resol, and described hydrophobic resin film accounts for the 2.0wt.% of described particles of aggregates; Described waterproof adhesive is hydrophobic polyurethane resin, and described waterproof adhesive accounts for the 5.0wt.% of the particles of aggregates being coated with hydrophobic resin film.
Described silica sand matrix material is obtained by following method:
(1) described hydrophobicity resol is heated to molten state, described slag particle is heated to 180 DEG C, the hydrophobicity resol of molten state is added in the slag particle after heating, the add-on of hydrophobicity resol is the 2.0wt.% of described slag particle quality, by the two mixing mixing, make described hydrophobicity resol be dispersed in the surface of described slag particle, then cool, sieve, obtain the particles of aggregates being coated with hydrophobicity phenolic resin film;
(2) particles of aggregates of hydrophobic resin film and described waterproof adhesive and hydrophobic polyurethane mixed with resin will be coated with, described waterproof adhesive accounts for the 5.0wt.% of the particles of aggregates being coated with hydrophobicity phenolic resin film, pours forming mould into after the two being mixed;
(3) placing 2h at 120 DEG C is cured shaping, and then namely the demoulding obtains described silica sand matrix material.
Described silica sand matrix material is used for hydrophobic thin polyol masses, and described polyvalent alcohol comprises: ethylene glycol, 1,2-PD, 1,3-PD, glycerol (glycerine), poly(oxyethylene glycol) 400.
Embodiment 3
A kind of silica sand matrix material, bondd by particles of aggregates and waterproof adhesive and form, described particles of aggregates is coated with hydrophobic resin film; Described silica sand matrix material has gas molecule can cross the hole passed through, and the aperture of described hole is 20-50 μm.In the present embodiment, described particles of aggregates is haydite, and the particle diameter of described haydite is 300 orders; Described hydrophobic resin is hydrophobic polyurethane resin, and described hydrophobic resin film accounts for the 5.0wt.% of described particles of aggregates; Described waterproof adhesive is hydrophobic silicon resin, and described waterproof adhesive accounts for the 5.0wt.% of the particles of aggregates being coated with hydrophobic resin film.
Described silica sand matrix material is obtained by following method:
(1) described hydrophobic polyurethane resin is heated to molten state, described haydite particles is heated to 130 DEG C, the hydrophobic polyurethane resin of molten state is added in the haydite particles after heating, the add-on of hydrophobic polyurethane resin is 5.0% of described haydite particles quality, by the two mixing mixing, make described hydrophobic polyurethane resin be dispersed in the surface of described haydite particles, then cool, sieve, obtain the particles of aggregates being coated with hydrophobic polyurethane resin molding;
(2) particles of aggregates being coated with hydrophobic resin film is mixed with described waterproof adhesive and hydrophobic silicon resin, described waterproof adhesive accounts for the 5.0wt.% of the particles of aggregates being coated with hydrophobic polyurethane resin molding, pours forming mould into after the two being mixed;
(3) placing 10h at 25 DEG C is cured shaping, and then namely the demoulding obtains described silica sand matrix material.
Described silica sand matrix material is used for hydrophobic thin polyol masses, and described polyvalent alcohol comprises: ethylene glycol, 1,2-PD, 1,3-PD, glycerol (glycerine), poly(oxyethylene glycol) 400.
Can cross because described silica sand matrix material has gas molecule the hole passed through, make described silica sand matrix material have ventilation property, therefore, when described silica sand matrix material uses as hydrophobic thin polyol masses, also can be applicable to the occasion needing ventilation property.
Embodiment 4
A kind of silica sand matrix material, bondd by particles of aggregates and waterproof adhesive and form, described particles of aggregates is coated with hydrophobic resin film; Described silica sand matrix material has gas molecule can cross the hole passed through, and the aperture of described hole is 0.1-20 μm; Described hole is formed by between adjacent described particles of aggregates.In the present embodiment, described particles of aggregates is the mixture that haydite and glass microballon form with weight ratio 3:1 mixing, and the particle diameter of described haydite is 150 orders, and the particle diameter of described glass microballon is 100 orders; Described hydrophobic resin is hydrophobic silicon resin, and described hydrophobic resin film accounts for the 1.0wt.% of described particles of aggregates; Described waterproof adhesive is hydrophobicity epoxy resin, and described waterproof adhesive accounts for the 10.0wt.% of the particles of aggregates being coated with hydrophobic resin film.
Described silica sand matrix material is obtained by following method:
(1) described hydrophobic silicon resin is heated to molten state, described glass microballon is heated to 160 DEG C, the hydrophobic silicon resin of molten state is added in the glass microballon after heating, the add-on of hydrophobic silicon resin is 1.0% of described glass microballon quality, by the two mixing mixing, make described hydrophobic silicon resin be dispersed in the surface of described glass microballon, then cool, sieve, obtain the particles of aggregates being coated with hydrophobic silicon resin film;
(2) particles of aggregates being coated with hydrophobic resin film is mixed with described waterproof adhesive and hydrophobicity epoxy resin, described waterproof adhesive accounts for the 10.0wt.% of the particles of aggregates being coated with hydrophobic silicon resin film, pours forming mould into after the two being mixed;
(3) placing 6h at 25 DEG C is cured shaping, and then namely the demoulding obtains described silica sand matrix material.
Described silica sand matrix material is used for hydrophobic thin polyol masses, and described polyvalent alcohol comprises: ethylene glycol, 1,2-PD, 1,3-PD, glycerol (glycerine), poly(oxyethylene glycol) 400.
The hole passed through can be crossed because described silica sand matrix material has gas molecule, described silica sand matrix material is made to have ventilation property, simultaneously, the character of the hydrophobic thin polyvalent alcohol that described silica sand matrix material has makes water molecules and polyol molecule exist with the form of small droplets on the surface of described silica sand matrix material, and small droplets can not penetrate in described hole, therefore described silica sand matrix material is made also to have the performance preventing water molecules and polyol molecule infiltration while having ventilation property and hydrophobic thin polynary alcoholic, thus when described silica sand matrix material is used as hydrophobic thin polyol masses, also can be applicable to need the occasion of ventilation anti-seepage.
Embodiment 5
A kind of silica sand matrix material, bondd by particles of aggregates and waterproof adhesive and form, described particles of aggregates is coated with hydrophobic resin film; Described silica sand matrix material has gas molecule can cross the hole passed through, and the aperture of described hole is 5-30 μm; Described hole is formed by between adjacent described particles of aggregates.In the present embodiment, described particles of aggregates is the mixture that quartz sand and glass microballon form with weight ratio 4:1, and the particle diameter of described quartz sand is 300 orders, and the particle diameter of described slag is 200 orders; Described hydrophobic resin is the mixture that hydrophobicity epoxy resin and hydrophobic polyurethane resin form with weight ratio 3:1 mixing, and described hydrophobic resin film accounts for the 1.5wt.% of described particles of aggregates; Described waterproof adhesive is hydrophobic silicon resin, and described waterproof adhesive accounts for the 15.0wt.% of the particles of aggregates being coated with hydrophobic resin film.
Described silica sand matrix material is obtained by following method:
(1) described hydrophobic silicon resin is heated to molten state, described particles of aggregates is heated to 150 DEG C, the hydrophobicity epoxy resin of molten state is added in the particles of aggregates after heating, the add-on of hydrophobicity epoxy resin is 1.5% of described particles of aggregates quality, by the two mixing mixing, make described hydrophobicity epoxy resin be dispersed in the surface of described particles of aggregates, then cool, sieve, obtain the particles of aggregates being coated with hydrophobicity epoxy resin film;
(2) particles of aggregates being coated with hydrophobic resin film is mixed with described waterproof adhesive and hydrophobic silicon resin, described waterproof adhesive accounts for the 15.0wt.% of the particles of aggregates being coated with hydrophobic resin film, pours forming mould into after the two being mixed;
(3) placing 12h at 100 DEG C is cured shaping, and then namely the demoulding obtains described silica sand matrix material.
Described silica sand matrix material is used for hydrophobic thin polyol masses, and described polyvalent alcohol comprises: ethylene glycol, 1,2-PD, 1,3-PD, glycerol (glycerine), poly(oxyethylene glycol) 400.
Embodiment 6
A kind of silica sand matrix material, bondd by particles of aggregates and waterproof adhesive and form, described particles of aggregates is coated with hydrophobic resin film; Described silica sand matrix material has gas molecule can cross the hole passed through, and the aperture of described hole is 10-30 μm; Described hole is formed by between adjacent described particles of aggregates.In the present embodiment, described particles of aggregates is the mixture that slag and glass microballon form with weight ratio 3:1 mixing, and the particle diameter of described slag is 200 orders, and the particle diameter of described glass microballon is 150 orders; Described hydrophobic resin is the mixture that hydrophobicity epoxy resin and resol form with weight ratio 1:1 mixing, and described hydrophobic resin accounts for the 1.0wt.% of described particles of aggregates; Described waterproof adhesive is the mixture that hydrophobic polyurethane resin and silicone resin form with weight ratio 1:2 mixing, and described waterproof adhesive accounts for the 5.0wt.% of the particles of aggregates being coated with hydrophobic resin film.
Described silica sand matrix material is obtained by following method:
(1) described hydrophobic resin is heated to molten state, described particles of aggregates is heated to 140 DEG C, the hydrophobic resin of molten state is added in the particles of aggregates after heating, the add-on of described hydrophobic resin is 1.0% of described particles of aggregates quality, by the two mixing mixing, make described hydrophobic resin be dispersed in the surface of described particles of aggregates, then cool, sieve, obtain the particles of aggregates being coated with hydrophobic resin film;
(2) mixed with described waterproof adhesive by the particles of aggregates being coated with hydrophobic resin film, described waterproof adhesive accounts for the 5.0wt.% of the particles of aggregates being coated with hydrophobic resin film, pours forming mould into after the two being mixed;
(3) placing 24h at 50 DEG C is cured shaping, and then namely the demoulding obtains described silica sand matrix material.
Described silica sand matrix material is used for hydrophobic thin polyol masses, and described polyvalent alcohol comprises: ethylene glycol, 1,2-PD, 1,3-PD, glycerol (glycerine), poly(oxyethylene glycol) 400.
As disposable embodiment, the present embodiment is on the basis of above-described embodiment, and described particles of aggregates is one or more in quartz sand, slag, haydite or glass microballon; Described hydrophobic resin film is one or more in hydrophobicity epoxy resin, resol, urethane resin, silicone resin; Described waterproof adhesive is one or more in hydrophobicity epoxy resin, urethane resin, silicone resin.
Test case
In order to prove technique effect when silica sand matrix material of the present invention uses as hydrophobic thin polyol masses, the present invention determines the contact angle of the silica sand matrix material described in above-described embodiment 1-6 and described polyvalent alcohol, and determine ventilation property and the flexural strength of described silica sand matrix material, wherein
Contact angle GB/T 24368-2009 standard testing;
Flexural strength GB9966.2-2001 standard testing;
Ventilation property test adopts STZ-A type direct reading permmeter, and sample is the right cylinder of Φ 50mm × 50mm.The principle of ventilation property test is: utilize pressure differential method to test, at normal temperatures, make the gas differential pressure that sample both sides keep certain, by measuring within a certain period of time by the volume of the gas of sample, thus calculating the air transmission coefficient of this sample, in this test case, set pressure differential is 900Pa-1000Pa.
Described silica sand matrix material is hydrophobic, dredge the performance test results of polyvalent alcohol and flexural strength and ventilation property test result thereof in table 1.As can be seen from Table 1, silica sand matrix material described in embodiment 1-6 and water, ethylene glycol, 1,2-propylene glycol, 1, the contact angle of ammediol, glycerol (glycerine) and poly(oxyethylene glycol) 400, all apparently higher than 100 °, illustrates that described silica sand matrix material uses the hydrophobic thin polyvalent alcohol performance with excellence as hydrophobic thin polyol masses.In addition, ventilation property test result shows that described silica sand matrix material has excellent breathability, can be used for the hydrophobic thin polyol masses of ventilation property.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Table 1
Claims (9)
1. silica sand matrix material is as a purposes for hydrophobic thin polyol masses, and described silica sand matrix material is bondd by particles of aggregates and waterproof adhesive and forms, and described particles of aggregates is coated with hydrophobic resin film;
Described hydrophobic resin film is one or more in hydrophobicity epoxy resin, resol, urethane resin, silicone resin; The mass percent that described hydrophobic resin film accounts for described particles of aggregates is 0.5-5.0%;
Described waterproof adhesive is one or more in hydrophobicity epoxy resin, urethane resin, silicone resin; The mass percent that described waterproof adhesive accounts for the particles of aggregates being coated with hydrophobic resin film is 5-10%.
2. silica sand matrix material according to claim 1 is as the purposes of hydrophobic thin polyol masses; it is characterized in that; described particles of aggregates is one or more the mixture in quartz sand and slag, haydite or glass microballon, and the particle diameter of described particles of aggregates is 70-300 order.
3. silica sand matrix material according to claim 2 is as the purposes of hydrophobic thin polyol masses, it is characterized in that, the particle diameter of described particles of aggregates is 100-200 order.
4. silica sand matrix material according to claim 1 is as the purposes of hydrophobic thin polyol masses, it is characterized in that, described silica sand matrix material has the hole that gas molecule can pass through, and the aperture of described hole is 0.1-50 μm.
5. silica sand matrix material according to claim 4 is as the purposes of hydrophobic thin polyol masses, it is characterized in that, described hole is formed by between adjacent described particles of aggregates.
6. silica sand matrix material according to claim 1 is as the purposes of hydrophobic thin polyol masses, it is characterized in that, described silica sand matrix material is obtained by following method:
(1) described hydrophobic resin is heated to molten state, described particles of aggregates is heated to 120-180 DEG C, the hydrophobic resin of molten state is added in the particles of aggregates after heating, mixing mixing, described hydrophobic resin is made to be dispersed in the surface of described particles of aggregates, then cool, sieve, obtain the particles of aggregates being coated with hydrophobic resin film;
(2) particles of aggregates being coated with hydrophobic resin film is mixed with described waterproof adhesive, then pour forming mould into;
(3) namely the curing molding demoulding obtains the silica sand matrix material of described hydrophobic thin polyvalent alcohol.
7. silica sand matrix material according to claim 6 is as the purposes of hydrophobic thin polyol masses, it is characterized in that, described particles of aggregates is heated to 130-160 DEG C.
8. the silica sand matrix material according to claim 6 or 7, as the purposes of hydrophobic thin polyol masses, is characterized in that, the temperature of described curing molding is 25-120 DEG C, and the time of described curing molding is 2-48 hour.
9. silica sand matrix material according to claim 8 is as the purposes of hydrophobic thin polyol masses, it is characterized in that, the time of described curing molding is 6-10 hour.
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| BRPI0621186B1 (en) * | 2006-01-13 | 2019-04-09 | Nbc Inc | Antifouling Composite Material |
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| JP2007514861A (en) * | 2003-12-17 | 2007-06-07 | スリーエム イノベイティブ プロパティズ カンパニー | Coating compositions using reactive fluorinated copolymers having perfluoropolyether side groups |
| WO2008027697A1 (en) * | 2006-08-28 | 2008-03-06 | 3M Innovative Properties Company | Perfluoropolyether silanes and use thereof |
| WO2008070704A1 (en) * | 2006-12-07 | 2008-06-12 | 3M Innovative Properties Company | Particles comprising a fluorinated siloxane and methods of making and using the same |
| CN101586024A (en) * | 2008-05-21 | 2009-11-25 | 北京仁创科技集团有限公司 | Kind of laminated granule for oil extraction, proppant and oil extraction method using the proppant |
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