CN1594501A - Water fixing agent - Google Patents
Water fixing agent Download PDFInfo
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- CN1594501A CN1594501A CN 200410026245 CN200410026245A CN1594501A CN 1594501 A CN1594501 A CN 1594501A CN 200410026245 CN200410026245 CN 200410026245 CN 200410026245 A CN200410026245 A CN 200410026245A CN 1594501 A CN1594501 A CN 1594501A
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- water
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- guar gum
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Abstract
The invention provides a water fixing agent comprising 22-30% of guar gum and/or hydroxypropyl guar gum, 12-18.5% of propylene glycol, and 50-500u/kg vitality unit of cellulase can be added. The agent can be used for preparing solid water through mixing with water, which can be applied to tree planting in dry land.
Description
Technical field
The invention belongs to the improvement of Water fixing agent prescription, relate to crop soil moisture and improve technical field.
Background technology
In recent years, the desertification of soil has caused the common concern of the whole society, and China has dropped into lot of manpower and material resources and built the ecological forest, owing to lack necessary means, arid becomes the restraining factors that the influence afforestation survives.Solid water is the New Product that is specifically designed to afforestation under the drought environment, for arid biogeographic zone afforestation provides technical guarantee, solved the water supply difficult problem of arid soil afforestation, in China's improvement of the ecological environment, had broad application prospects and important social, economic benefit.By retrieval, the relevant patent in this field has 4: 1. a kind of solid water (application number is CN 00105783.9), this disclosure of the Invention a kind of technological method of solid water, be to add that by " the vast 98E type of section " High hydrophilous resin liquid water is mixed and made into.2. long-acting solid water, moisture film method tree-planting method and tree-planting film thereof (application number is CN 01101462.8), this invention also are that to adopt High hydrophilous resin be that material preparation forms.More than two related solid waters of patent be actually the employing High hydrophilous resin, belong to water-retaining agent.Keep ground moistening though can discharge liquid water lentamente, store certain moisture absorbing water behind the rain or after irrigating, slowly discharge again, but in arid, the poor area of semiarid desertificated area and water resources, because precipitation mainly concentrates on 7,8,9 three months, so use the water problems of striving that just has with plant in the dry period, existing research report (Li Qingfeng etc., to the discussion of some problems of water-retaining agent drought resistance function mechanism, " (the arid biogeographic zone resource and environment ", 2001, (2), 85～88), water-retaining agent drought resistance function mechanism has been proposed to doubt, thought that water-retaining agent is conflicting to the absorption of moisture in the environment and to plant release moisture.This class water-holding agent of water-retaining agent is the high molecular polymer that stores or discharge water in physical clearance, its process that discharges water is pure physical change, therefore, after the water-holding agent that suctions water is put into soil, its time that discharges water is subjected to the influence of envrionment temperature and humidity very big, and water supply validity period length can not preestablish.And because it is a macromolecule water absorbent material, take the water of when water is arranged, attracting deposit, the mode that discharges water during lack of water provides moisture for plant, therefore do not provide increment moisture to soil, its suction, release the critical degree that water and plant need to have between the water supply and demand, when serious water shortage, might occur striving water with plant, moisture in the back suction plant materials quickens plant death.The polymerization of water-retaining agent simultaneously need be led to nitrogen, heating, condensation etc., therefore synthesis condition and equipment is all had strict requirement.This class water-retaining agent is to adopt acrylamide or derivatives thereof and ceric ammonium nitrate etc. to be a kind of high molecular polymer of main raw material synthetic, itself do not decompose or difficult the decomposition, even the part material is also poisonous harmful, impose on soil for a long time and can cause plant to hinder root, soil compaction, nowadays European Union member countries have prohibited and have used this series products.3. solid water and making method (application number is CN 00110202.8): the solid water of this invention is made up of high polymers, the sodium alginate of water, high-molecular polypeptide.Manufacturing processed is that the high polymers of high-molecular polypeptide and sodium alginate are soaked in water, and stirs into pasty state, pasty mixture is added hot water again and stirs, and the cooling back forms product.Its solid water need heat in making processes, is transported to after production is good and makes land used, is unfavorable for produce in situ; The needed material cost of this product 1kg is: 0.42～0.90 yuan.4. solid water and application thereof (application number is CN 00107121.1): the composition of this solid water comprises: water, thickening material and solidifying agent.This method is produced the needed material cost of 1kg solid water: 1.63～2.60 yuan.More than the material cost of two kinds of products higher, be unfavorable for applying.
Summary of the invention
Purpose of the present invention just provides a kind of Water fixing agent, make the solid water of its preparation have cheap, preparation is simple, dependable performance, easy to use, water supply validity period can preestablish, and can natural degradation, to the free of contamination advantage of soil.
The composition of the Water fixing agent that the present invention proposes has component A and B component, and the weight percent of each component is:
Component A guar gum and/or hydroxypropyl guar gum are 22～30%;
The B component borax is 12～18.5%, and propylene glycol is 54～60%.
Its optimized choice is:
Component A guar gum and/or hydroxypropyl guar gum are 25～29%;
The B component borax is 14～18%, and propylene glycol is 55～59%.
Feature of the present invention also is, for accelerating solid water in degradation in soil with release water, can also be added with component C cellulase, its enzyme activity content in Water fixing agent is 50～500u/kg; Optimization content is 100～400u/kg.
Product of the present invention after each component is prepared in proportion, is packed respectively by component A, B, C during as commodity, again with packing greatly.
Water fixing agent of the present invention is to be mixed with solid water with water, and the weight ratio of the two finally is 1: 45～55, and more suitable scope is 1: 48～52.Concrete steps are: with little water B component is dissolved fully earlier, add component A again in surplus water, constantly stir and make its abundant swelling; Pour the lysate of B component into mixing again, continue stirring and make it full cross-linked; If stir after having component C then to sneak into, promptly form solid water (it is no mobile colloid).
The used guar gum of the present invention is that the endosperm with leguminous plants melon beans forms through attrition process, mainly being to be polymerized by semi-lactosi and seminose, belonging to natural polygalactomannan, is natural thickening material, water-soluble energy forms macromolecular natural hydrophilic colloid, reaches the effect of rapid thickening.Guar gum is the most effective, water-soluble known best natural polymer.Under lower concentration, can form high viscous solution, show non newtonian rheology characteristic.Hydroxypropyl guar gum a kind of vegetable jelly that to be natural guars form through modification is commonly used for thickening material, flow improver, advantage such as have that hydration temperature is low, cross-linking properties good, thickening ability is strong, Heat stability is good, anti-biological degradation and residue are low.By being cross-linked to form gelatinous solid with borax-water-propylene glycol, the adding of propylene glycol can make it crosslinked more abundant, improves cross-linking effect.
The prepared solid water of Water fixing agent of the present invention is that ortho-water is solidified, and constitutes three-dimensional reticulated structure, moisture is lost flowability and perviousness, has been become by liquid that viscosity multiplication, specific conductivity fall sharply, resilient gelatinous solid, and water content reaches more than 95%.Place in use near the root system of plant, under the effect of soil microorganisms or enzyme biological degradation takes place, it is required for plant-growth directly to discharge moisture, and the product after the degraded can be utilized by plant absorbing as organic fertilizer.Borax is pollution-free, the non-harmful material that exists in the soil, so the final residual of Water fixing agent of the present invention in application is pollution-free, non-harmful.
The invention has the advantages that, the preparation of solid water is simplified, can directly prepare on-the-spot the use on the spot.The production unit of Water fixing agent is simple, and starting material are easy to get, and is with low cost, helps applying.Through adjusting: the raw materials cost of using the prepared solid water of Water fixing agent of the present invention is at 0.25～0.5 yuan/Kg.Because the present invention is to be product with the Water fixing agent, no moisture weight is compared the solid water hauled weight that prior art produces and can be reduced about 95%.
The used starting material of the present invention are degradable polymer substance, and are nontoxic, belong to feature of environmental protection material, do not have harmful toxic matter to produce in the production, the solid water degraded back noresidue of generation, toxicological harmless, pollution-free.Product after the degraded can promote the soil beneficial microorganism to increase, and is a kind of ecological, environmental protective product, has solved the pollution problem that water-retaining agent brought.
The formed solid water of the present invention is except that can being degraded by microorganisms, can also come control degradation speed and release the water yield by cellulase, because guar gum mainly is made of seminose and semi-lactosi side chain, cellulase can be degraded to short chain molecule with it, destroyed the reticulated structure of solid water, thereby moisture is discharged.
Embodiment
Example 1: component A:2.5g guar gum and 2.5g hydroxypropyl guar gum.
B component: 3g borax, 11ml propylene glycol.
Component A, B are packed respectively.
The preparation method of solid water: mix with B component with 200ml water, be stirred to borax and dissolve fully; Add component A again in 860ml water, constantly stir and make its abundant swelling, the lysate of B component is poured in the component A liquid, constantly stirring makes it full cross-linked, forms solid water.This solid water moisture release period in soil is about 33 days.
Example 2: component A:5.3g guar gum.
B component: 3g borax, 11.5ml propylene glycol.
Component C: vigor is the cellulase 0.01g of 600u/g.
Component A, B, C are packed vanning respectively.
The preparation method of solid water: mix with B component with 200ml water, be stirred to borax and dissolve fully; Add component A again in 730ml water, constantly stir and make its abundant swelling, the lysate of B component is poured in the component A liquid, constantly stirring makes it full cross-linked, adds component C and stirs, and forms solid water.This solid water moisture release period in soil is about 18 days.
Example 3: component A:4.7g hydroxypropyl guar gum.
B component: 2.6g borax, 10.5ml propylene glycol.
Component C: vigor is the cellulase 0.006g of 600u/g.
Component A, B, C are packed vanning respectively.
The preparation method of solid water: mix with B component with 200ml water, be stirred to borax and dissolve fully; Add component A again in 770ml water, constantly stir and make its abundant swelling, the lysate of B component is poured in the component A liquid, constantly stirring makes it full cross-linked, adds component C and stirs, and forms solid water.This solid water moisture release period in soil is about 23 days.
Example 4: component A:5g guar gum.
B component: 2.8g borax, 9ml propylene glycol.
Component A, B are packed vanning respectively.
The preparation method of solid water: mix with B component with 140ml water, be stirred to borax and dissolve fully; Add component A again in 664ml water, constantly stir and make its abundant swelling, the lysate of B component is poured in the component A liquid, constantly stirring makes it full cross-linked, forms solid water.This solid water moisture release period in soil is about 30 days.
Example 5: component A:4.7g hydroxypropyl guar gum.
B component: 2.8g borax, 10ml propylene glycol.
Component C: vigor is the cellulase 0.012g of 600u/g.
Component A, B, C are packed respectively.
The preparation method of solid water: mix with B component with 140ml water, be stirred to borax and dissolve fully; Add component A again in 824ml water, constantly stir and make its abundant swelling, the lysate of B component is poured in the component A liquid, constantly stirring makes it full cross-linked, adds component C and stirs, and forms solid water.This solid water moisture release period in soil is about 13 days.
Claims (5)
1, a kind of Water fixing agent is characterized in that: the composition of described Water fixing agent has component A and B component, and the weight percent of each component is: component A guar gum and/or hydroxypropyl guar gum are 22～30%; The B component borax is 12～18.5%, and propylene glycol is 54～60%.
2, Water fixing agent according to claim 1 is characterized in that: the weight percent of each component is: component A guar gum and/or hydroxypropyl guar gum are 25～29%; The B component borax is 14～18%, and propylene glycol is 55～59%.
3, Water fixing agent according to claim 1 is characterized in that: be added with component C cellulase in the described Water fixing agent, its enzyme activity content in Water fixing agent is 50-500u/kg.
4, according to the described any Water fixing agent of claim 1-3, it is characterized in that: after each component is prepared in proportion, adorn respectively, again with packing greatly by component A, B, C.
5, according to the using method of the described Water fixing agent of claim 1, it is characterized in that: Water fixing agent is to be mixed with solid water with water, and the weight ratio of the two finally is 1: 45-55; Concrete steps are: with little water B component is dissolved fully earlier, add component A again in surplus water, constantly stir and make its abundant swelling; Pour the lysate of B component into mixing again, continue stirring and make it full cross-linked; If stir after having component C then to sneak into, promptly form solid water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410026245 CN1234800C (en) | 2004-06-18 | 2004-06-18 | Water fixing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410026245 CN1234800C (en) | 2004-06-18 | 2004-06-18 | Water fixing agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1594501A true CN1594501A (en) | 2005-03-16 |
| CN1234800C CN1234800C (en) | 2006-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410026245 Expired - Fee Related CN1234800C (en) | 2004-06-18 | 2004-06-18 | Water fixing agent |
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| Country | Link |
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| CN (1) | CN1234800C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515959A (en) * | 2011-12-23 | 2012-06-27 | 北京瑞泰丰商务有限公司 | Water-soluble polymer synergist used for fertilizers, its preparation method and application |
| CN103275733A (en) * | 2012-11-01 | 2013-09-04 | 湖北菲特沃尔科技有限公司 | Preparation method of solid water |
| CN105461453A (en) * | 2015-12-28 | 2016-04-06 | 常熟市金玉花卉泡沫有限公司 | Special flower arrangement mud for osmanthus |
| CN105461452A (en) * | 2015-12-28 | 2016-04-06 | 常熟市金玉花卉泡沫有限公司 | Special flower arrangement mud for southern magnolia |
| CN112090405A (en) * | 2020-08-14 | 2020-12-18 | 深圳市八六三新材料技术有限责任公司 | Natural porous adsorption material based on coconut meat and preparation method and application thereof |
-
2004
- 2004-06-18 CN CN 200410026245 patent/CN1234800C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515959A (en) * | 2011-12-23 | 2012-06-27 | 北京瑞泰丰商务有限公司 | Water-soluble polymer synergist used for fertilizers, its preparation method and application |
| CN102515959B (en) * | 2011-12-23 | 2013-04-24 | 北京瑞泰丰商务有限公司 | Water-soluble polymer synergist used for fertilizers, its preparation method and application |
| CN103275733A (en) * | 2012-11-01 | 2013-09-04 | 湖北菲特沃尔科技有限公司 | Preparation method of solid water |
| CN105461453A (en) * | 2015-12-28 | 2016-04-06 | 常熟市金玉花卉泡沫有限公司 | Special flower arrangement mud for osmanthus |
| CN105461452A (en) * | 2015-12-28 | 2016-04-06 | 常熟市金玉花卉泡沫有限公司 | Special flower arrangement mud for southern magnolia |
| CN112090405A (en) * | 2020-08-14 | 2020-12-18 | 深圳市八六三新材料技术有限责任公司 | Natural porous adsorption material based on coconut meat and preparation method and application thereof |
| CN112090405B (en) * | 2020-08-14 | 2023-03-14 | 深圳市八六三新材料技术有限责任公司 | Natural porous adsorption material based on coconut meat and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1234800C (en) | 2006-01-04 |
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