CN1844256A - High water absorption and water retention composite materials containing sodium calcium aluminium silicate glue and method for preparing same - Google Patents
High water absorption and water retention composite materials containing sodium calcium aluminium silicate glue and method for preparing same Download PDFInfo
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- CN1844256A CN1844256A CN 200610018758 CN200610018758A CN1844256A CN 1844256 A CN1844256 A CN 1844256A CN 200610018758 CN200610018758 CN 200610018758 CN 200610018758 A CN200610018758 A CN 200610018758A CN 1844256 A CN1844256 A CN 1844256A
- Authority
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- China
- Prior art keywords
- water
- aluminium silicate
- sodium calcium
- calcium aluminium
- unsaturated monomer
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- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- VEUACKUBDLVUAC-UHFFFAOYSA-N [Na].[Ca] Chemical compound [Na].[Ca] VEUACKUBDLVUAC-UHFFFAOYSA-N 0.000 title claims description 52
- 239000000404 calcium aluminium silicate Substances 0.000 title claims description 52
- 235000012215 calcium aluminium silicate Nutrition 0.000 title claims description 52
- 239000003292 glue Substances 0.000 title claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 8
- 238000010521 absorption reaction Methods 0.000 title 1
- 239000000178 monomer Substances 0.000 claims abstract description 40
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 37
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 37
- 239000007870 radical polymerization initiator Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000007873 sieving Methods 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 8
- 238000010298 pulverizing process Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 150000003863 ammonium salts Chemical class 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- -1 alkali metal salts Chemical class 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 150000003839 salts Chemical class 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 abstract 4
- 239000000084 colloidal system Substances 0.000 abstract 4
- 239000000654 additive Substances 0.000 abstract 2
- 230000000996 additive effect Effects 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 1
- 239000007822 coupling agent Substances 0.000 abstract 1
- 238000009472 formulation Methods 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 238000006386 neutralization reaction Methods 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 5
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 5
- 239000004159 Potassium persulphate Substances 0.000 description 5
- 229910001424 calcium ion Inorganic materials 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 229910001425 magnesium ion Inorganic materials 0.000 description 5
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 5
- 235000019394 potassium persulphate Nutrition 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 4
- 239000004160 Ammonium persulphate Substances 0.000 description 3
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 3
- 235000019395 ammonium persulphate Nutrition 0.000 description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009775 high-speed stirring Methods 0.000 description 2
- 230000015784 hyperosmotic salinity response Effects 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 2
- 238000001132 ultrasonic dispersion Methods 0.000 description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- 229920002785 Croscarmellose sodium Polymers 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 150000003818 basic metals Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to a high water-absorbing water-loss reducer formulation and its process for preparing, in which the water-absorbing water-retaining composite containing soda-aluminosilicate colloid is characterized in that it consists of soda-aluminosilicate colloid, water-soluble vinyl unsaturated monomer and water-soluble free radical polymerization initiator, in which the additive mass of the soda-aluminosilicate colloid is 2-200 % of the water-soluble vinyl unsaturated monomer and the additive mass of the water-soluble free radical polymerization initiator is 0.001-1 % of the water-soluble vinyl unsaturated monomer. The process for preparing includes: decentralizedly processing the soda-aluminosilicate colloid dissolved with water-soluble free radical polymerization initiator or water-soluble vinyl unsaturated monomer dissolved with water-soluble free radical polymerization initiator and coupling agent with 20-90 % of weight concentration at 30-90 DEG C and heating them for 1-10 hours, slicing the produced gel, drying, comminuting and screening to obtain the product at 40-150. The invention is of low preparation cost, higher input scaling factor and better salt resistance, so is suitable for agrisilviculture.
Description
Technical field
The present invention relates to prescription of a kind of high water absorbing and retaining agent and preparation method thereof, more precisely, the present invention relates to a kind of composite materials with high water absorbing and retaining performances that contains sodium calcium aluminium silicate glue and preparation method thereof.
Background technology
In recent years, the high water absorbing and retaining agent has been widely used as sanitary product, Industrial materials.In known high water absorbing and retaining agent, the kind of existing following several series: vinyl water-soluble monomer homopolymer, multipolymer, starch-grafted vinyl water-soluble mono series, cellulose graft vinyl water-soluble mono series, cross-linked carboxymethyl cellulose etc.Compound, super absorbent resin and organic compound that super absorbent resin and inorganics gel are arranged in compound series.More than in each series of products, the material cost that has is higher, the suction that has contains certain ionic concn, and particularly the liquid absorbency rate of the calcium ions and magnesium ions aqueous solution is not high, the salt tolerance that has is bad, the complex process that has, equipment requirements height.The water-absorbing-retaining material that is used for the agroforestry purpose, because material cost is higher, it is not high to inhale the liquid absorbency rate that contains the calcium ions and magnesium ions aqueous solution especially, salt resistance is poor, and its application is restricted.
Summary of the invention
Problem to be solved by this invention is exactly to provide a kind of composite materials with high water absorbing and retaining performances that contains sodium calcium aluminium silicate glue and preparation method thereof at the deficiency of above-mentioned prior art existence, its preparation material cost is low, suction contains certain ionic concn, and particularly the liquid absorbency rate of the calcium ions and magnesium ions aqueous solution is higher, salt resistance is better, is applicable to the water-absorbing-retaining material of agroforestry.
The technical solution adopted for the present invention to solve the technical problems is: the composite materials with high water absorbing and retaining performances that contains sodium calcium aluminium silicate glue, its difference is, it comprises sodium calcium aluminium silicate glue, water-soluble vinyl unsaturated monomer, water-soluble radical polymerization initiator, the interpolation weight of sodium calcium aluminium silicate glue is 2%～200% of water-soluble vinyl unsaturated monomer, the interpolation weight of water-soluble radical polymerization initiator is 0.001%～1% of water-soluble vinyl unsaturated monomer, and described sodium calcium aluminium silicate glue chemical formula is as follows:
Na
x(H
2O)
4{ (Al
2-xMg
0.33) (Si
4O
10) (OH) or Ca
y(H
2O) { (Al
2-xMg
0.33) (Si
4O
10) (OH), sodium calcium aluminium silicate glue content is 50%～99%, the water-soluble vinyl unsaturated monomer is any one in acrylic or methacrylic acid and alkali metal salts or ammonium salt ionic comonomer, acrylamide and the derivative nonionic monomers thereof.
Press such scheme, can also add linking agent in the described component, the consumption of linking agent is 0～1.0% (weight) of water-soluble vinyl unsaturated monomer.
Press such scheme, the interpolation weight of described linking agent is 0.01%～0.5% of water-soluble vinyl unsaturated monomer.
Press such scheme, described set of dispense is than being 10%～100% of water-soluble vinyl unsaturated monomer for the interpolation weight of sodium calcium aluminium silicate glue, and the interpolation weight of water-soluble radical polymerization initiator is 0.01%～0.7% of water-soluble vinyl unsaturated monomer.
The preparation method who contains the composite materials with high water absorbing and retaining performances of sodium calcium aluminium silicate glue: 20%～90% water-soluble vinyl unsaturated monomer that sodium calcium aluminium silicate is dissolved with water-soluble radical polymerization initiator or water-soluble radical polymerization initiator and linking agent, through dispersion treatment, in 30～90 ℃ the heating 1～10 hour after, the gel that generates is cut into slices, under vacuum or non-vacuum condition, dry under 40～150 ℃ of conditions, method with machinery makes its pulverizing then, carries out sieving and grading at last and obtains the finished product.
Press such scheme, contain the preparation method of the composite materials with high water absorbing and retaining performances of sodium calcium aluminium silicate glue: may further comprise the steps: the 1) deep processing of sodium calcium aluminium silicate: the superfine grinding to 20 of sodium calcium aluminium silicate～300 orders do chemical conversion treatment then and surface physics is handled; 2) blending dispersion: sodium calcium aluminium silicate is joined in 20%～90% the water-soluble vinyl unsaturated monomer solution that is dissolved with water-soluble radical polymerization initiator or water-soluble radical polymerization initiator and linking agent, adopt homogenizer to carry out dispersed with stirring or adopt colloidal mill to disperse; 3) polyreaction: in 30～90 ℃ of heating after 1～10 hour, the reaction of 10～30 ℃ of elevated temperatures is 1～3 hour again in reactor for mixture; 4) gel that the above-mentioned phase III is generated is cut into slices, and under vacuum or non-vacuum condition, is dried to water content less than 8% under 40～150 ℃ of conditions, and the method with machinery makes it be crushed to 20～300 orders then, carries out sieving and grading at last and obtains the finished product.
Introduce the present invention below in detail:
1, sodium calcium aluminium silicate glue
Sodium calcium aluminium silicate glue has polymolecularity and good special propertys such as ion exchangeable in water, they can with multiple polymer mutually compound make various excellent performances, cheap, some also brings the macromolecular material of specific function.In view of the special construction and the character of sodium calcium aluminium silicate glue, also they can be prepared composite materials with high water absorbing and retaining performances with vinyl water-soluble monomer blending dispersion in the aqueous solution.Because sodium calcium aluminium silicate glue can adsorb (exchange) a certain amount of calcium ions and magnesium ions in water, so the high water absorbing and retaining agent of compound sodium calcium aluminium silicate glue has certain anti-ionomer.
Sodium calcium aluminium silicate glue mainly contains natural and synthetic two big classes, and its chemical constitution is as follows:
Na
x(H
2O)
4{(Al
2-xMg
0.33)(Si
4O
10)(OH)}
Ca
y(H
2O){(Al
2-xMg
0.33)(Si
4O
10)(OH)}
Content is generally 50%～99%.The addition of sodium calcium aluminium silicate glue is 2%～200% of the unsaturated water-soluble monomer of vinyl, preferred 10%-100%.
2, water-soluble vinyl unsaturated monomer
Typical ionic water-soluble vinyl unsaturated monomer is: vinylformic acid and alkali metal salts or ammonium salt thereof, typical nonionic monomers is: acrylamide and derivative thereof.Wherein preferably vinylformic acid and sodium salt thereof or ammonium salt and acrylamide.These water-soluble vinyl unsaturated monomers can be used alone, but also also mix together.
The concentration of the unsaturated water-soluble monomer of vinyl in aqueous solution generally is at least 20%, and preferred 20-90% is to saturation concentration.Vinylformic acid can be partly or wholly to use with basic metal or ammonium compound neutral form.Degree of neutralization is generally 40%～90% (mole).
3. linking agent
The linking agent that uses among the present invention contains at least two polymerisable groups.Typical linking agent has: it is crosslinked or lightly crosslinked to improve the gel-strength of high water absorbing and retaining agent that bisacrylamide such as N, N '-methylene-bisacrylamide, this type of linking agent make the high water absorbing and retaining agent form mutually at body.
For the vinyl unsaturated monomer, the consumption of linking agent is generally 0～1.0% (weight), preferred 0.01%～0.5%.
4. water-soluble radical polymerization initiator
Being fit to this type of polymeric water-soluble radical polymerization initiator is persulphate, also redox initiation system.As: Potassium Persulphate, Sodium Persulfate, ammonium persulphate.These water soluble starters can mix use, also can be used with reducing substances such as ferrous ion, sodium bisulfite, S-WAT.
Initiator or initiator mixture are generally 0.001%～1.0% with respect to the consumption of vinyl unsaturated monomer, preferred 0.01%～0.7% (weight).
5. preparation method and polymeric reaction condition
According to the present invention, the preparation of water-holding agent is divided into four-stage: the fs is the deep processing of sodium calcium aluminium silicate.The sodium calcium aluminium silicate deep processing comprises: the superfine grinding of sodium calcium aluminium silicate, the words that are necessary are carried out the chemical conversion treatment and the surface physics of sodium calcium aluminium silicate glue and are handled.Subordinate phase is the blending dispersion of sodium calcium aluminium silicate glue and water-soluble monomer.The blending dispersion of sodium calcium aluminium silicate glue and water-soluble monomer can adopt homogenizer to carry out dispersed with stirring, also can adopt colloidal mill to disperse.Phase III is a polymerization stage.In 30～90 ℃ of preferred 40～70 ℃ of heating after 1～10 hour preferred 2～7 hours, the reaction of 10～30 ℃ of elevated temperatures is 1～3 hour again, so that transformation efficiency reaches greater than 98% in reactor for mixture.The quadravalence section is that the gel that the phase III generates is cut into slices, 40～150 ℃ of dryings (under vacuum or the non-vacuum condition), and the method with machinery makes it be crushed to 20～300 orders then, carries out sieving and grading at last and obtains the finished product.
Beneficial effect of the present invention is: the present invention with sodium calcium aluminium silicate glue and water-soluble vinyl monomer through mix, operation such as dispersion, polymerization, the preparation material cost is low, suction contains certain ionic concn, and particularly the liquid absorbency rate of the calcium ions and magnesium ions aqueous solution is higher, salt resistance is better, is applicable to the water-absorbing-retaining material of agroforestry.
The invention provides a kind ofly by the unsaturated water-soluble monomer of sodium calcium aluminium silicate glue and vinyl elder generation blending dispersion homopolymerization or copolymerized prescription and preparation technology again, obtaining thus can be fully compound, material cost is lower, stronger imbibition ability is arranged, stronger salt tolerance is arranged, the high water absorbing and retaining agent of better simply manufacturing process is arranged.
According to the high water absorbing and retaining agent that the present invention makes, material cost descends 20%～50% than sodium polyacrylate.The multiplying power of inhaling distilled water is 380～800, and the multiplying power of inhaling tap water is 150～340, and the multiplying power of inhaling physiological saline is 40～70.
Embodiment
Embodiment 1
In concentration is that 20% degree of neutralization is in 90% acrylic acid solution, 300 grams, stir and add N down, N '-methylene-bisacrylamide 0.0029 gram, Potassium Persulphate 0.03 gram, dissolving, sodium calcium aluminium silicate (content is greater than 50%) 10 grams with superfine grinding add wherein ultra-sonic dispersion 10 minutes again.In 50 ℃ of heating after 7 hours, the reaction of 30 ℃ of elevated temperatures is 1 hour again in reactor for mixture, and the gel of generation obtains the finished product through section, oven dry, pulverizing, sieving and grading.
Embodiment 2
In concentration is that 30% degree of neutralization is in 80% acrylic acid solution, 300 grams, stir and add N down, N '-methylene-bisacrylamide 0.022 gram, Potassium Persulphate 0.425 gram, dissolving, sodium calcium aluminium silicate (content is greater than 90%) 50 grams with superfine grinding add wherein again, and colloidal mill disperseed 20 minutes.Mixture in reactor in 70 ℃ the heating 3 hours after, elevated temperature is 10 ℃ again, reacts 2 hours, the gel of generation obtains the finished product through section, oven dry, pulverizing, sieving and grading.
Embodiment 3
In concentration is that 45% degree of neutralization is in 40% acrylic acid solution, 200 grams, stir and add N down, N '-methylene-bisacrylamide 0.005 gram, Potassium Persulphate 0.050 gram, dissolving, sodium calcium aluminium silicate (content is greater than 60%) 30 grams with superfine grinding add wherein again, and colloidal mill disperseed 20 minutes.Mixture in reactor in 60 ℃ the heating 4 hours after, elevated temperature is 20 ℃ again, reacts 3 hours, the gel of generation obtains the finished product through section, oven dry, pulverizing, sieving and grading.
Embodiment 4
In concentration is that 20% degree of neutralization is in 50% acrylic acid solution, 300 grams, stir and add N down, N '-methylene-bisacrylamide 0.0029 gram, Potassium Persulphate 0.03 gram, dissolving, sodium calcium aluminium silicate (content is greater than 50%) 40 grams with superfine grinding add wherein again, and high-speed stirring was disperseed 30 minutes.In 65 ℃ of heating after 3 hours, the reaction of 25 ℃ of elevated temperatures is 1 hour again in reactor for mixture, and the gel of generation obtains the finished product through section, oven dry, pulverizing, sieving and grading.
Embodiment 5
With concentration is that 20% degree of neutralization is in 90% acrylic acid solution, 280 grams, stir and add acrylamide 90 grams down, N, N '-methylene-bisacrylamide 0.029 gram, ammonium persulphate 0.566 gram, dissolving, sodium calcium aluminium silicate (content is greater than 90%) 50 grams with superfine grinding add wherein ultra-sonic dispersion 20 minutes again.In 70 ℃ of heating after 3 hours, the reaction of 10 ℃ of elevated temperatures is 2 hours again in reactor for mixture, and the gel of generation obtains the finished product through section, oven dry, pulverizing, sieving and grading.
Embodiment 6
With concentration is that 30% degree of neutralization is in 40% acrylic acid solution, 280 grams, stir and add acrylamide 40 grams down, N, N '-methylene-bisacrylamide 0.05 gram, ammonium persulphate 0.225 gram, sodium bisulfite 0.200 gram, dissolving, sodium calcium aluminium silicate (content is greater than 60%) 50 grams with superfine grinding add wherein again, and high-speed stirring was disperseed 20 minutes.In 60 ℃ of heating after 3 hours, the reaction of 20 ℃ of elevated temperatures is 2 hours again in reactor for mixture, and the gel of generation is through section, and oven dry, pulverizing, sieving and grading obtain the finished product.
Claims (6)
1, the composite materials with high water absorbing and retaining performances that contains sodium calcium aluminium silicate glue, it is characterized in that, it comprises sodium calcium aluminium silicate glue, water-soluble vinyl unsaturated monomer, water-soluble radical polymerization initiator, the interpolation weight of sodium calcium aluminium silicate glue is 2%～200% of water-soluble vinyl unsaturated monomer, the interpolation weight of water-soluble radical polymerization initiator is 0.001%～1% of water-soluble vinyl unsaturated monomer, and described sodium calcium aluminium silicate glue chemical formula is as follows:
Na
x(H
2O)
4{ (Al
2-xMg
0.33) (Si
4O
10) (OH) or Ca
y(H
2O) { (Al
2-xMg
0.33) (Si
4O
10) (OH), sodium calcium aluminium silicate glue content is 50%～99%, the water-soluble vinyl unsaturated monomer is any one in acrylic or methacrylic acid and alkali metal salts or ammonium salt ionic comonomer, acrylamide and the derivative nonionic monomers thereof.
2, by the described composite materials with high water absorbing and retaining performances that contains sodium calcium aluminium silicate glue of claim 1, it is characterized in that can also adding linking agent in the described component, the consumption of linking agent is 0～1.0% (weight) of water-soluble vinyl unsaturated monomer.
3, by the described composite materials with high water absorbing and retaining performances that contains sodium calcium aluminium silicate glue of claim 2, the interpolation weight that it is characterized in that described linking agent is 0.01～0.5% of water-soluble vinyl unsaturated monomer.
4, by the described composite materials with high water absorbing and retaining performances that contains sodium calcium aluminium silicate glue of claim 1, it is characterized in that described set of dispense than being 10%～100% of water-soluble vinyl unsaturated monomer for the interpolation weight of sodium calcium aluminium silicate glue, the interpolation weight of water-soluble radical polymerization initiator is 0.01%～0.7% of water-soluble vinyl unsaturated monomer.
5, claim 1 or the 2 described preparation methods that contain the composite materials with high water absorbing and retaining performances of sodium calcium aluminium silicate glue, it is characterized in that sodium calcium aluminium silicate is dissolved with 20%～90% water-soluble vinyl unsaturated monomer of water-soluble radical polymerization initiator or water-soluble radical polymerization initiator and linking agent, the process dispersion treatment is in 30～90 ℃, heat after 1～10 hour, the gel that generates is cut into slices, under vacuum or non-vacuum condition, dry under 40～150 ℃ of conditions, method with machinery makes its pulverizing then, carries out sieving and grading at last and obtains the finished product.
6, the described preparation method who contains the composite materials with high water absorbing and retaining performances of sodium calcium aluminium silicate glue of claim 5, it is characterized in that may further comprise the steps: the 1) deep processing of sodium calcium aluminium silicate: the superfine grinding to 200 of sodium calcium aluminium silicate～300 orders, do chemical conversion treatment and surface physics then and handle; 2) blending dispersion: sodium calcium aluminium silicate is joined in 20%～90% the water-soluble vinyl unsaturated monomer solution that is dissolved with water-soluble radical polymerization initiator or water-soluble radical polymerization initiator and linking agent, adopt homogenizer to carry out dispersed with stirring or adopt colloidal mill to disperse; 3) polyreaction: mixture in 30～90 ℃, heats after 1～10 hour in reactor, and 10～30 ℃ of reactions of elevated temperature are 1～3 hour again; 4) gel that the above-mentioned phase III is generated is cut into slices, and under vacuum or non-vacuum condition, is dried to water content less than 8% under 40～150 ℃ of conditions, and the method with machinery makes it be crushed to 20～300 orders then, carries out sieving and grading at last and obtains the finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100187583A CN100549101C (en) | 2006-04-13 | 2006-04-13 | The preparation method who contains sodium aluminum silicate colloidal composite materials with high water absorbing and retaining performances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100187583A CN100549101C (en) | 2006-04-13 | 2006-04-13 | The preparation method who contains sodium aluminum silicate colloidal composite materials with high water absorbing and retaining performances |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1844256A true CN1844256A (en) | 2006-10-11 |
| CN100549101C CN100549101C (en) | 2009-10-14 |
Family
ID=37063224
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100187583A Expired - Fee Related CN100549101C (en) | 2006-04-13 | 2006-04-13 | The preparation method who contains sodium aluminum silicate colloidal composite materials with high water absorbing and retaining performances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100549101C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106397679A (en) * | 2016-08-31 | 2017-02-15 | 广东慧信环保有限公司 | Agricultural water-retaining agent prepared with ceramic sludge and method thereof |
| CN106699990A (en) * | 2016-11-30 | 2017-05-24 | 西安建筑科技大学 | Synthetic water absorption and water retention material with high volume of non-dehydrated state sludge and preparing method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3296592B2 (en) * | 1992-06-03 | 2002-07-02 | バンドー化学株式会社 | Belt drive |
| CN1312185C (en) * | 2005-03-11 | 2007-04-25 | 华南理工大学 | Silicatel multifunctional organic alkoxy silane cross linked polyacrylate water suction resin and its preparing method |
| JP4081492B2 (en) * | 2006-01-24 | 2008-04-23 | 三友工業株式会社 | Safety door device for injection molding equipment |
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2006
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106397679A (en) * | 2016-08-31 | 2017-02-15 | 广东慧信环保有限公司 | Agricultural water-retaining agent prepared with ceramic sludge and method thereof |
| CN106699990A (en) * | 2016-11-30 | 2017-05-24 | 西安建筑科技大学 | Synthetic water absorption and water retention material with high volume of non-dehydrated state sludge and preparing method |
| CN106699990B (en) * | 2016-11-30 | 2019-06-04 | 西安建筑科技大学 | The non-dehydration state sludge high additive synthesis water-absorbing-retaining material of one kind and preparation method |
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| CN100549101C (en) | 2009-10-14 |
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