CN101275004A - Preparation for water retention agent having biochemistry nutrition function - Google Patents
Preparation for water retention agent having biochemistry nutrition function Download PDFInfo
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- CN101275004A CN101275004A CNA2008100505547A CN200810050554A CN101275004A CN 101275004 A CN101275004 A CN 101275004A CN A2008100505547 A CNA2008100505547 A CN A2008100505547A CN 200810050554 A CN200810050554 A CN 200810050554A CN 101275004 A CN101275004 A CN 101275004A
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Abstract
The invention provides a preparation method of a water-retaining agent with biochemical nutritional functions. Acrylic acid of the proportioning quantity is put into a reactor, and added with deioned water, naturalized with potassium hydroxide; acrylic amide of the proportioning quantity is prepared into the water solution of acrylic amide with deioned water, added into the water solution of naturalized acrylic acid, and then respectively added with attapulgite, an oxidant, a reducer, and an accelerant in proportioning quantities thereof, and well mixed and filled with nitrogen, thus a colloid product is obtained through polymerization. The colloid product is smashed and a powdered acrylic acid-acrylic amide copolymer is acquired; the acrylic acid-acrylic amide copolymer is sprayed with the water solution of humic acid, and dried, and finally the water-retaining agent is prepared having the biochemical nutritional functions. Attapulgite is added to reduce the cost of the water-retaining agent, and humic acid is utilized to endow the water-retaining agent with the biochemical nutritional function in post treatment. The water absorption rate of the water-retaining agent is 180 to 400 times, and the normal saline absorption rate of the water-retaining agent is 20 to 65 times.
Description
Technical field
The invention belongs to the super absorbent resin field, be specifically related to a kind of preparation method with water-holding agent of biochemistry nutrition function.
Background technology
Water-holding agent is a kind of functional high molecule material with high-strength absorbing performance and water retention property, has been widely used in many fields such as farming, woods, health care, oil, chemical, building materials, biochemical technology and food.The water-holding agent of Ying Yonging is generally being deposited problems such as cost height, function singleness in the market, is very limited on applying.The applied research of water-holding agent on agricultural in recent years more and more comes into one's own, and is mainly reflected in the synthetic of novel water-retaining agent, modification, reduces cost, increases the research of aspects such as function.Chinese patent 1143497.X discloses a kind of agricultural high absorption compound resin preparation method, and it is that application kaolin and wilkinite reduce the cost of water-holding agent and improve its gel-strength.Add the cost that cheap inorganics can reduce water-holding agent, but the addition of inorganic mineral is limited, and product only has suction, releases water function, do not have trophic function; Chinese patent CN1912006A, CN1687193A disclose materials such as application humic acids, vinylformic acid, starch respectively and have prepared nutrition type water keeping agent, and Chinese patent CN1912007A then discloses materials such as application humic acids, vinylformic acid, acrylamide and prepared nutrition type water keeping agent.Can to give it be trophic function though above-mentioned patent is introduced water-holding agent with humic acids, and all ubiquity problems such as complicated process of preparation, product cost height, is unfavorable for applying on agricultural.
Summary of the invention
The purpose of this invention is to provide a kind of preparation method with water-holding agent of biochemistry nutrition function.When polymerization, add the cost that Attapulgite reduces water-holding agent; Add humic acids when aftertreatment, humic acids is the baroque fat of composition--the aromatic series hydroxy acid organism that vegeto-animal remains form and accumulate through a series of earth physics, chemical process.It has been rich in amino acid, antibiotic, enzyme, hydrocortisone and various trace elements, can be combined into humic acid fertilizer with elements such as nitrogen, phosphorus, potassium, have fertilizer synergistic, improve the soil, stimulate plant growth, improve functions such as agricultural product quality, can make water-holding agent have biochemistry nutrition function.
A kind of preparation method of the water-holding agent with biochemistry nutrition function is as follows: its raw material and weight proportion are: vinylformic acid 30-100; Acrylamide 0-95; Attapulgite 30-100; Initiator is a redox initiation system, and wherein oxygenant is ammonium persulphate, Potassium Persulphate or Sodium Persulfate, and consumption is 0.05-0.5; Reductive agent is sodium bisulfite, potassium metabisulfite or Sodium Metabisulfite, and consumption is 0.05-0.5; Linking agent is a N,N methylene bis acrylamide, and consumption is 0.05-0.5; Reaction promotor is a trolamine, and consumption is 0.05-1.0;
The concrete operations step is as follows:
The vinylformic acid that takes by weighing proportional quantity is put into reactor, add deionized water, be neutralized to pH value 5-7 with potassium hydroxide, the acrylamide of proportional quantity is made acrylamide solution with deionized water, in the acrylic acid aqueous solution of becoming reconciled in joining again, the weight sum that makes vinylformic acid and acrylamide is the 10-40% of aqueous solution gross weight, add respectively again proportional quantity Attapulgite, oxygenant, reductive agent, promotor, mix and logical nitrogen 30 minutes, under 20-70 ℃ of temperature polymerization 2-5 hour, the gel product; With the stripping and slicing of gel product, drying, pulverize Powdered acrylic acid-acrylamide copolymer; With weight content is that the humic acid water-soluble liquid of 5-30% sprays Powdered acrylic acid-acrylamide copolymer, the weight ratio of humic acid water-soluble liquid and Powdered acrylic acid-acrylamide copolymer is (100: 50)-(100: 500), the acrylic acid-acrylamide copolymer handled well at the loft drier inner drying, is obtained having the water-holding agent of biochemistry nutrition function.
Water-intake rate (Q
WaterG*g
-1) measure:
Accurately take by weighing 0.1 gram water-holding agent sample, put into the 400ml beaker, add the 150ml deionized water, at room temperature leave standstill 4 hours after, with 100 purpose metal mesh filters 1 hour, remove unnecessary deionized water.
Pick up (Q
SaltG*g
-1) measure
Accurately take by weighing 0.3 gram water-holding agent sample, put into the 200ml beaker, add NaCl solution or other solution that contains different ions of 80ml0.9%, at room temperature leave standstill 4 hours after, with 100 purpose metal mesh filters 1 hour, remove the unnecessary solution that goes, weigh.
The calculation formula of water-intake rate (pick up) is as follows:
In the following formula, Q
Water: water-intake rate
Q
Salt: pick up
W
0: suction (liquid) preceding weight
W
1: suction (liquid) preceding weight.
The water-holding agent water absorbent rate that obtains having biochemistry nutrition function be 180-400 doubly, inhale the normal saline solution multiplying power and be 20-65 doubly.
Beneficial effect: a kind of preparation method provided by the invention with water-holding agent of biochemistry nutrition function.When polymerization, add the cost that Attapulgite reduces water-holding agent; Add humic acids when aftertreatment, humic acids is the baroque fatty aromatic series hydroxy acid organism of composition that vegeto-animal remains form and accumulate through a series of earth physics, chemical process.It has been rich in amino acid, antibiotic, enzyme, hydrocortisone and various trace elements, can be combined into humic acid fertilizer with elements such as nitrogen, phosphorus, potassium, have fertilizer synergistic, improve the soil, stimulate plant growth, improve functions such as agricultural product quality, can make water-holding agent have biochemistry nutrition function.
A kind of preparation method with water-holding agent of biochemistry nutrition function provided by the invention is undertaken by free yl solution polymerizating method.The advantage of this method is that technology is simple, without organic solvent, does not pollute, and helps industrialization production.The water-holding agent water absorbent rate that obtains having biochemistry nutrition function be 180-400 doubly, inhale the normal saline solution multiplying power and be 20-65 doubly.
Embodiment
Embodiment 1 places reactor with 30 gram vinylformic acid, add 160 gram deionized water and stirring dissolvings, reconcile aqueous ph value to 5 with potassium hydroxide, with 20 gram deionized water dissolvings, 10 gram acrylamides, make acrylamide solution and join in the acrylic acid aqueous solution of becoming reconciled, add 30 gram Attapulgite, 0.5 gram ammonium persulphate, 0.05 potassium metabisulfite, 0.2 gram N,N methylene bis acrylamide, 0.07 gram trolamine more respectively and mix.Logical nitrogen is 30 minutes in reactor, and polymerization is 4 hours in the time of poly-20 ℃, gets the gel product.With the stripping and slicing of gel product, drying, pulverize Powdered acrylic acid-acrylamide copolymer.With 10 gram weight content is the Powdered acrylic acid-acrylamide copolymers of 5% humic acid water-soluble liquid spray, 20 grams, loft drier inner drying 30 minutes, obtains having the moisture holding agent in low cost of biochemistry nutrition function under 60 ℃.Water absorbent rate is 340 times, and inhaling the normal saline solution multiplying power is 55 times.
Embodiment 2 places reactor with 100 gram vinylformic acid, add 500 gram deionized water and stirring dissolvings, reconcile aqueous ph value to 6 with potassium hydroxide, with 140 gram deionized water dissolvings, 90 gram acrylamides, make acrylamide solution and join in the acrylic acid aqueous solution of becoming reconciled, add 100 gram Attapulgite, 0.05 gram Potassium Persulphate, 0.5 Sodium Metabisulfite, 0.5 gram N,N methylene bis acrylamide, 1 gram trolamine more respectively and mix.Logical nitrogen is 30 minutes in reactor, and polymerization is 5 hours in the time of poly-40 ℃, gets the gel product.With the stripping and slicing of gel product, drying, pulverize Powdered acrylic acid-acrylamide copolymer.With 10 gram weight content is the Powdered acrylic acid-acrylamide copolymers of 10% humic acid water-soluble liquid spray, 50 grams, loft drier inner drying 40 minutes, obtains having the moisture holding agent in low cost of biochemistry nutrition function under 60 ℃.Water absorbent rate is 190 times, and inhaling the normal saline solution multiplying power is 31 times.
Embodiment 3 places reactor with 40 gram vinylformic acid, add 408.91 gram deionized water and stirring dissolvings, reconcile aqueous ph value to 7 with 31.09 gram potassium hydroxide, with 100 gram deionized water dissolvings, 20 gram acrylamides, make acrylamide solution and join in the acrylic acid aqueous solution of becoming reconciled, add 50 gram Attapulgite, 0.2 gram Sodium Persulfate, 0.1 potassium metabisulfite, 0.05 gram N,N methylene bis acrylamide, 0.2 gram trolamine more respectively and mix.Logical nitrogen is 30 minutes in reactor, and polymerization is 2 hours in the time of 70 ℃, gets the gel product.With the stripping and slicing of gel product, drying, pulverize Powdered acrylic acid-acrylamide copolymer.With 10 gram weight content is the Powdered acrylic acid-acrylamide copolymers of 13% humic acid water-soluble liquid spray, 5 grams, loft drier inner drying 20 minutes, obtains having the moisture holding agent in low cost of biochemistry nutrition function under 60 ℃.Water absorbent rate is 280 times, and inhaling the normal saline solution multiplying power is 42 times.
Embodiment 4 places reactor with 40 gram vinylformic acid, add 38.91 gram deionized water and stirring dissolvings, reconcile aqueous ph value to 7 with 31.09 gram potassium hydroxide, with 20 gram deionized water dissolvings, 20 gram acrylamides, make acrylamide solution and join in the acrylic acid aqueous solution of becoming reconciled, add 30 gram Attapulgite, 0.06 gram Potassium Persulphate, 0.07 sodium bisulfite, 0.05 gram N,N methylene bis acrylamide, 0.05 gram trolamine more respectively and mix.Logical nitrogen is 30 minutes in reactor, polyase 13 hour in the time of 30 ℃, the gel product.With the stripping and slicing of gel product, drying, pulverize Powdered acrylic acid-acrylamide copolymer.With 10 gram weight content is the Powdered acrylic acid-acrylamide copolymers of 30% humic acid water-soluble liquid spray, 50 grams, loft drier inner drying 90 minutes, obtains having the moisture holding agent in low cost of biochemistry nutrition function under 60 ℃.Water absorbent rate is 190 times, and inhaling the normal saline solution multiplying power is 28 times.
Embodiment 5 places reactor with 100 gram vinylformic acid, add 310 gram deionized water and stirring dissolvings, reconcile aqueous ph value to 6 with potassium hydroxide, add 80 gram Attapulgite, 0.4 gram Sodium Persulfate, 0.1 sodium bisulfite, 0.3 gram N,N methylene bis acrylamide, 0.9 gram trolamine more respectively and mix.Logical nitrogen is 30 minutes in reactor, polyase 13 hour in the time of 60 ℃, the gel product.With the stripping and slicing of gel product, drying, pulverize Powdered acrylic acid-acrylamide copolymer.With 10 gram weight content is the Powdered acrylic acid-acrylamide copolymers of 20% humic acid water-soluble liquid spray, 40 grams, loft drier inner drying 40 minutes promptly, obtains having the moisture holding agent in low cost of biochemistry nutrition function under 60 ℃.Water absorbent rate is 310 times, and inhaling the normal saline solution multiplying power is 52 times.
Embodiment 6 places reactor with 30 gram vinylformic acid, add 340 gram deionized water and stirring dissolvings, reconcile aqueous ph value to 6 with potassium hydroxide, with 100 gram deionized water dissolvings, 90 gram acrylamides, make acrylamide solution and join in the acrylic acid aqueous solution of becoming reconciled, add 40 gram Attapulgite, 0.4 gram ammonium persulphate, 0.08 potassium metabisulfite, 0.09 gram N,N methylene bis acrylamide, 0.45 gram trolamine more respectively and mix.Logical nitrogen is 30 minutes in reactor, polyase 13 hour in the time of 50 ℃, the gel product.With the stripping and slicing of gel product, drying, pulverize Powdered acrylic acid-acrylamide copolymer.With 10 gram weight content is the Powdered acrylic acid-acrylamide copolymers of 15% humic acid water-soluble liquid spray, 10 grams, at loft drier inner drying 30, obtains having the moisture holding agent in low cost of biochemistry nutrition function under 60 ℃.Water absorbent rate is 295 times, and inhaling the normal saline solution multiplying power is 51 times.
Claims (1)
1, a kind of preparation method with water-holding agent of biochemistry nutrition function is characterized in that, its raw material and weight proportion are: vinylformic acid 30-100; Acrylamide 0-95; Attapulgite 30-100; Initiator is a redox initiation system, and wherein oxygenant is ammonium persulphate, Potassium Persulphate or Sodium Persulfate, and consumption is 0.05-0.5; Reductive agent is sodium bisulfite, potassium metabisulfite or Sodium Metabisulfite, and consumption is 0.05-0.5; Linking agent is a N,N methylene bis acrylamide, and consumption is 0.05-0.5; Reaction promotor is a trolamine, and consumption is 0.05-1.0;
The concrete operations step is as follows:
The vinylformic acid that takes by weighing proportional quantity is put into reactor, add deionized water, be neutralized to pH value 5-7 with potassium hydroxide, the acrylamide of proportional quantity is made acrylamide solution with deionized water, in the acrylic acid aqueous solution of becoming reconciled in joining again, the weight sum that makes vinylformic acid and acrylamide is the 10-40% of aqueous solution gross weight, add respectively again proportional quantity Attapulgite, oxygenant, reductive agent, promotor, mix and logical nitrogen 30 minutes, under 20-70 ℃ of temperature polymerization 2-5 hour, the gel product; With the stripping and slicing of gel product, drying, pulverize Powdered acrylic acid-acrylamide copolymer; With weight content is that the humic acid water-soluble liquid of 5-30% sprays Powdered acrylic acid-acrylamide copolymer, the weight ratio of humic acid water-soluble liquid and Powdered acrylic acid-acrylamide copolymer is (100: 50)-(100: 500), the acrylic acid-acrylamide copolymer handled well at the loft drier inner drying, is obtained having the water-holding agent of biochemistry nutrition function.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985482A (en) * | 2010-10-09 | 2011-03-16 | 内蒙古大学 | Method for preparing super absorbent resin containing fulvic acid sodium and MS dry medium |
| CN101985508A (en) * | 2010-10-09 | 2011-03-16 | 内蒙古大学 | Preparation method of super absorbent resin containing plant growth regulator and dehydration Murashige and Skoog (MS) culture medium |
| CN102775992A (en) * | 2012-08-22 | 2012-11-14 | 乌鲁木齐中汇国豪生物科技有限公司 | Organic-inorganic multifunctional water-retaining agent for resisting saline and alkaline and preparation method thereof |
| CN103651072A (en) * | 2013-12-05 | 2014-03-26 | 青岛润国生态科技发展有限公司 | Plant nutrient substrate special for promoting plant growth |
| CN106047357A (en) * | 2016-05-31 | 2016-10-26 | 山东胜伟园林科技有限公司 | Method for performing natural soil greening on slight alkaline land by using salt-resistant water-retaining agent containing attapulgite |
| CN108552222A (en) * | 2018-05-11 | 2018-09-21 | 中国农业大学 | A kind of water-retaining agent and preparation method thereof with antibacterial deactivation |
| CN112624859A (en) * | 2020-11-26 | 2021-04-09 | 河南省科学院高新技术研究中心 | Water-retention and fertilizer-loss-control additive based on furfural residues and continuous production process thereof |
| CN115215977A (en) * | 2022-08-06 | 2022-10-21 | 河北萌帮生物科技有限公司 | Multi-nutrient-element functional water-retaining agent and preparation method thereof |
-
2008
- 2008-04-01 CN CNA2008100505547A patent/CN101275004A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985482A (en) * | 2010-10-09 | 2011-03-16 | 内蒙古大学 | Method for preparing super absorbent resin containing fulvic acid sodium and MS dry medium |
| CN101985508A (en) * | 2010-10-09 | 2011-03-16 | 内蒙古大学 | Preparation method of super absorbent resin containing plant growth regulator and dehydration Murashige and Skoog (MS) culture medium |
| CN101985482B (en) * | 2010-10-09 | 2011-09-21 | 内蒙古大学 | Method for preparing super absorbent resin containing fulvic acid sodium and MS dry medium |
| CN101985508B (en) * | 2010-10-09 | 2012-05-30 | 内蒙古大学 | Preparation method of super absorbent resin containing plant growth regulator and dehydration Murashige and Skoog (MS) culture medium |
| CN102775992A (en) * | 2012-08-22 | 2012-11-14 | 乌鲁木齐中汇国豪生物科技有限公司 | Organic-inorganic multifunctional water-retaining agent for resisting saline and alkaline and preparation method thereof |
| CN103651072A (en) * | 2013-12-05 | 2014-03-26 | 青岛润国生态科技发展有限公司 | Plant nutrient substrate special for promoting plant growth |
| CN103651072B (en) * | 2013-12-05 | 2016-06-15 | 青岛润国生态科技发展有限公司 | Promote the special plant nutrient matrix of plant growing |
| CN106047357A (en) * | 2016-05-31 | 2016-10-26 | 山东胜伟园林科技有限公司 | Method for performing natural soil greening on slight alkaline land by using salt-resistant water-retaining agent containing attapulgite |
| CN108552222A (en) * | 2018-05-11 | 2018-09-21 | 中国农业大学 | A kind of water-retaining agent and preparation method thereof with antibacterial deactivation |
| CN112624859A (en) * | 2020-11-26 | 2021-04-09 | 河南省科学院高新技术研究中心 | Water-retention and fertilizer-loss-control additive based on furfural residues and continuous production process thereof |
| CN115215977A (en) * | 2022-08-06 | 2022-10-21 | 河北萌帮生物科技有限公司 | Multi-nutrient-element functional water-retaining agent and preparation method thereof |
| CN115215977B (en) * | 2022-08-06 | 2023-10-20 | 河北萌帮生物科技有限公司 | Multi-nutrient element functional water-retaining agent and preparation method thereof |
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Open date: 20081001 |