CN105330953A - Water retention resin master batch for compositin mulching film and preparation method thereof - Google Patents
Water retention resin master batch for compositin mulching film and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L2203/16—Applications used for films
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
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- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C08L2207/00—Properties characterising the ingredient of the composition
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- C08L2207/066—LDPE (radical process)
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Abstract
The invention relates to the field of mulching film materials, and discloses a water retention resin master batch for compositing a mulching film and a preparation method thereof. The water retention resin master batch for compositing the mulching film comprises components: 34-64 parts of linear low density polyethylene powder, 14-24 parts of low density polyethylene powder, 4-8 parts of high density polyethylene powder, 6-8 parts of acyclic acids, 6-10 parts of sodium hydroxide solution, 1-3 parts of sea-foam stone powder, 1-3 parts of konjac glucomannan, 0.02-0.04 part of potassium peroxodisulfate, 0.04-0.06 part of aluminium chloride, 0.01-0.03 part of N,N-methylenebis acrylamide, 0.1-0.3 part of sodium bicarbonate, 0.5-1.5 parts of sodium carboxymethylcellulose, 1-2 parts of stearic acids, 1-2 parts of polyethylene wax and 1-3 parts of sulphur. The water retention resin master batch for compositing the mulching film can absorb, store and release water, enhances water-retaining property of soil, can improve soil structure, improves soil activity, and promotes growth of roots.
Description
Technical field
The present invention relates to film material field, particularly relate to a kind of mulch film synthesis water-retaining resin masterbatch and preparation method thereof.
Background technology
China is traditional large agricultural country, in recent years, along with the development such as high-efficiency water-saving agricultural, industrialized agriculture, drought-resistant agriculture is swift and violent, therefore, in recent years market for can the agricultural mulching demand of water conservation increasing.
Application number is that the Chinese invention patent of CN201410169375.0 discloses a kind of prevention waterlogging drought resisting storing water mulch film, utilize the high-quality mulch film of indefinite length, with mulch film equivalent material longitudinally uniform water storage bag in the distance hot pressing that horizontal lateral separation is suitable in its lower section, crop breeding hole is left on the both sides of each water storage bag longitudinal direction, for proportion of crop planting, rain collection hole above water storage bag, for rainy day rainwater-collecting, there is collodion overflow weir below, for the rainwater slow releasing inside water storage bag to the root system of farm crop, reach prevention waterlogging, drought resisting, water conservation, insulation, the object of moisturizing.
The mulch film of foregoing invention is only realize water retaining function by structural change, and due to complex structure, process for processing is inconvenient in the preparation, and the storage that can reel unlike common ground film, very inconvenient.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of mulch film synthesis water-retaining resin masterbatch and preparation method thereof.Advanced composite material selected by mulch film synthesis water-retaining resin masterbatch of the present invention, can absorb fast, store, slow releasing moisture, effectively can reduce the deep percolation of irrigation water (rainwater) and fertilizer, improve water and fertilizer utilization, strengthen the water-retentivity of soil, the evaporation of soil moisture control, to meet the growth needs of plant; It can also improve Soil structure, increases soil activation, reduces soil plate and promote plant root growth growth etc.
Concrete technical scheme of the present invention is: a kind of mulch film synthesis water-retaining resin masterbatch, formula is the material of following weight part: 34-64 part LLDPE powder, 14-24 part Low Density Polyethylene powder, 4-8 part high density polyethylene(HDPE) powder, 6-8 part vinylformic acid, 6-10 part aqueous sodium hydroxide solution, 1-3 part sepiolite powder, 1-3 part Rhizoma amorphophalli glucomannan, 0.02-0.04 part Potassium Persulphate, 0.04-0.06 part aluminum chloride, 0.01-0.03 part N, N ' methylene-bisacrylamide, 0.1-0.3 part sodium bicarbonate, 0.5-1.5 part Xylo-Mucine, 1-2 part stearic acid, 1-2 part polyethylene wax, 1-3 part sulphur.
In the formula of the technical program mulch film synthesis with water-retaining resin masterbatch, with LLDPE powder, Low Density Polyethylene powder and high density polyethylene(HDPE) powder are as matrix, the wherein polyethylene powder collocation of different densities and structure, masterbatch can be made to have ideal softening temperature, melt temperature, after being prepared into mulch film, make mulch film have good tensile strength, toughness and weathering resistance simultaneously.By vinylformic acid and sepiolite powder, Rhizoma amorphophalli glucomannan, Xylo-Mucine together compound, there is after making this composite material forming moisture adsorption and releasing ability strongly, and absorbent capacity is large, the deionized water of self hundreds of times of weight and the saliferous moisture of decades of times weight can be absorbed rapidly, automatically can also carry out moisture adsorption and releasing according to the psychrometric difference of own material and environment.
As the technical program further preferably, the concentration of described aqueous sodium hydroxide solution is 5-15wt%.Aqueous sodium hydroxide solution has following effect in formula: one is react as raw material and vinylformic acid when preparing sodium polyacrylate; Two is the neutralization reagents as reaction system, makes reaction product be neutral; Three is that to be prepared into sodium polyacrylate be after the matrix material of main body, as the solvent of sodium polyacrylate, increases the fused degree of sodium polyacrylate and other raw materials.
As the technical program further preferably, also comprise 1-3 part attapulgite and 1-3 part oleic acid in the formula of described mulch film synthesis water-retaining resin masterbatch.In formula, by oleic acid load on attapulgite, stability is strong; In addition, attapulgite can strengthen ground film strength, and oleic acid can increase the oxygen level of water body after water-soluble, after resin concentrates of the present invention is prepared into mulch film, after mulch film absorbs large quantity of moisture, oleic acid moiety is dissolved, and in moisture, oxygen level increases, mulch film is while soil permeability moisture, provide certain oxygen also to the farm crop root system in soil, be conducive to respiration, promote root growth, solve due to membrane covering, the problem of mulch film lower surface anoxic.
Present invention also offers a kind of preparation method of mulch film synthesis water-retaining resin masterbatch, carry out according to the following steps:
A, take each material in described formula by proportioning, vinylformic acid, sepiolite powder, Rhizoma amorphophalli glucomannan, Potassium Persulphate, Xylo-Mucine are added in the reaction vessel that aqueous sodium hydroxide solution is housed mix and at 60-70 DEG C stirring reaction 15-25min.
Aluminum chloride and N is added in b, first backward described reaction vessel, N ' methylene-bisacrylamide, continue stirring reaction at 50-60 DEG C, until add sodium bicarbonate when reaction product is gel in reaction vessel, continue stirring reaction 0.5-1h, then reaction product is taken out and dry to solid content be 90-95wt%.
C, by the reaction product of step b, LLDPE powder, Low Density Polyethylene powder, high density polyethylene(HDPE) powder, stearic acid, polyethylene wax and sulphur together carry out spice, then to add in plastic granulator successively through plastify, filtering, extrude, wire drawing, cooling, cutting, namely obtain finished product after oven dry; Wherein described in extrusion, the temperature of plastic granulating machine controls at 130-280 DEG C.
Present invention also offers the preparation method of another kind of mulch film synthesis water-retaining resin masterbatch, carry out according to the following steps:
A, take each material in described formula by proportioning, vinylformic acid, sepiolite powder, Rhizoma amorphophalli glucomannan, Potassium Persulphate, Xylo-Mucine are added in the reaction vessel that aqueous sodium hydroxide solution is housed mix and at 60-70 DEG C stirring reaction 15-25min.Step a obtains the mixing material based on sodium polyacrylate.
Aluminum chloride and N is added in b, first backward described reaction vessel, N ' methylene-bisacrylamide, continue stirring reaction at 50-60 DEG C, until add sodium bicarbonate when reaction product is gel in reaction vessel, continue stirring reaction 0.5-1h, then reaction product is taken out and dry to solid content be 90-95wt%.After adding sodium bicarbonate, sodium bicarbonate decomposes process gas, thus in gel resin, generate a large amount of miniature holes, significantly can improve water absorption capacity, the obtained gel matrix material based on sodium polyacrylate after step b.
C, by attapulgite thermal activation 3-5h at 500 DEG C, then the attapulgite after thermal activation being added to concentration is at 50-60 DEG C, carry out stirring 40-60min in the silane coupling agent ethanolic soln of 50wt%, then after filtering, attapulgite is dried, obtain attapulgite modified, by attapulgite modified with oleic acid mix and blend, obtained load has the attapulgite of oleic acid.
D, by the reaction product of step b, load has the attapulgite of oleic acid, LLDPE powder, Low Density Polyethylene powder, high density polyethylene(HDPE) powder, stearic acid, polyethylene wax and sulphur together carry out spice, then to add in plastic granulator successively through plastify, filtering, extrude, wire drawing, cooling, cutting, namely obtain finished product after oven dry; Wherein described in extrusion, the temperature of plastic granulating machine controls at 130-280 DEG C.
Be compared with the prior art, the invention has the beneficial effects as follows: the mulch film produced with water conservation masterbatch of the present invention, can the saliferous moisture of the deionized water decades of times of specific absorption self tuple hundred times rapidly, create can absorb fast, store, " the little reservoir " of slow releasing moisture and nutrient, effectively can reduce the deep percolation of irrigation water (rainwater) and fertilizer, improve water and fertilizer utilization, strengthen the water-retentivity of soil, the evaporation of soil moisture control, to meet the growth needs of plant; It can also improve Soil structure, increases soil activation, reduces soil plate and promote plant root growth growth etc.
Embodiment
Below in conjunction with embodiment, the invention will be further described.LLDPE powder described in following examples, Low Density Polyethylene powder, high density polyethylene(HDPE) powder is commercial product, wherein LLDPE powder, the relative density of Low Density Polyethylene powder is between 0.910-0.925, and the relative density of high density polyethylene(HDPE) powder is between 0.941-0.965.
Embodiment 1
Water-retaining resin masterbatch is used in a kind of mulch film synthesis, formula is the material of following weight part: 49 parts of LLDPE powders, 19 parts of Low Density Polyethylene powders, 6 parts of high density polyethylene(HDPE) powders, 7 parts of vinylformic acid, 8 parts of concentration are the aqueous sodium hydroxide solution of 10wt%, 2 parts of sepiolite powders, 2 parts of Rhizoma amorphophalli glucomannans, 0.03 part of Potassium Persulphate, 0.05 part of aluminum chloride, 0.02 part of N, N ' methylene-bisacrylamide, 0.2 part of sodium bicarbonate, 1 part of Xylo-Mucine, 1.5 parts of stearic acid, 13 parts of polyethylene waxs, 2 parts of sulphur.
A preparation method for mulch film synthesis water-retaining resin masterbatch, carries out according to the following steps:
A, take each material in described formula by proportioning, vinylformic acid, sepiolite powder, Rhizoma amorphophalli glucomannan, Potassium Persulphate, Xylo-Mucine are added in the reaction vessel that aqueous sodium hydroxide solution is housed mix and at 65 DEG C stirring reaction 20min.
Aluminum chloride and N is added in b, first backward described reaction vessel, N ' methylene-bisacrylamide, continue stirring reaction at 55 DEG C, until add sodium bicarbonate when reaction product is gel in reaction vessel, continue stirring reaction 0.75h, then reaction product is taken out and dry to solid content be 90-95wt%.
C, by the reaction product of step b, LLDPE powder, Low Density Polyethylene powder, high density polyethylene(HDPE) powder, stearic acid, polyethylene wax and sulphur together carry out spice, then to add in plastic granulator successively through plastify, filtering, extrude, wire drawing, cooling, cutting, namely obtain finished product after oven dry; Wherein described in extrusion, the temperature of plastic granulating machine controls at 205 DEG C.
The water-retaining resin masterbatch that the present embodiment is obtained is carrying out water absorbing properties test: accurately take 1g water-retaining resin masterbatch and be immersed in the deionized water at normal temperature of 1000 milliliters, after 4min, water-retaining resin masterbatch is taken out, until water-retaining resin masterbatch is weighed after not dripping again, arrange 10 parallel group, the mean water absorption rate of water-retaining resin masterbatch is 434g/g.
Embodiment 2
Water-retaining resin masterbatch is used in a kind of mulch film synthesis, formula is the material of following weight part: 38 parts of LLDPE powders, 24 parts of Low Density Polyethylene powders, 4 parts of high density polyethylene(HDPE) powders, 8 parts of vinylformic acid, 10 parts of concentration are the aqueous sodium hydroxide solution of 5wt%, 1 part of sepiolite powder, 3 parts of Rhizoma amorphophalli glucomannans, 0.04 part of Potassium Persulphate, 0.06 part of aluminum chloride, 0.03 part of N, N ' methylene-bisacrylamide, 0.3 part of sodium bicarbonate, 1.5 parts of Xylo-Mucines, 2 parts of stearic acid, 2 parts of polyethylene waxs, 3 parts of sulphur.
A preparation method for mulch film synthesis water-retaining resin masterbatch, carries out according to the following steps:
A, take each material in described formula by proportioning, vinylformic acid, sepiolite powder, Rhizoma amorphophalli glucomannan, Potassium Persulphate, Xylo-Mucine are added in the reaction vessel that aqueous sodium hydroxide solution is housed mix and at 70 DEG C stirring reaction 15min.
Aluminum chloride and N is added in b, first backward described reaction vessel, N ' methylene-bisacrylamide, continue stirring reaction at 60 DEG C, until add sodium bicarbonate when reaction product is gel in reaction vessel, continue stirring reaction 1h, then reaction product is taken out and dry to solid content be 90-95wt%.
C, by the reaction product of step b, LLDPE powder, Low Density Polyethylene powder, high density polyethylene(HDPE) powder, stearic acid, polyethylene wax and sulphur together carry out spice, then to add in plastic granulator successively through plastify, filtering, extrude, wire drawing, cooling, cutting, namely obtain finished product after oven dry; Wherein described in extrusion, the temperature of plastic granulating machine controls at 280 DEG C.
The water-retaining resin masterbatch that the present embodiment is obtained is carrying out water absorbing properties test: accurately take 1g water-retaining resin masterbatch and be immersed in the deionized water at normal temperature of 1000 milliliters, after 4min, water-retaining resin masterbatch is taken out, until water-retaining resin masterbatch is weighed after not dripping again, arrange 10 parallel group, the mean water absorption rate of water-retaining resin masterbatch is 412g/g.
Embodiment 3
Water-retaining resin masterbatch is used in a kind of mulch film synthesis, formula is the material of following weight part: 64 parts of LLDPE powders, 14 parts of Low Density Polyethylene powders, 4 parts of high density polyethylene(HDPE) powders, 6 parts of vinylformic acid, 6 parts of concentration are the aqueous sodium hydroxide solution of 15wt%, 1 part of sepiolite powder, 1 part of Rhizoma amorphophalli glucomannan, 0.02 part of Potassium Persulphate, 0.04 part of aluminum chloride, 0.01 part of N, N ' methylene-bisacrylamide, 0.1 part of sodium bicarbonate, 0.5 part of Xylo-Mucine, 1 part of stearic acid, 1 part of polyethylene wax, 1 part of sulphur, 1 part of attapulgite and 1 part of oleic acid.
A preparation method for mulch film synthesis water-retaining resin masterbatch, carries out according to the following steps:
A, take each material in described formula by proportioning, vinylformic acid, sepiolite powder, Rhizoma amorphophalli glucomannan, Potassium Persulphate, Xylo-Mucine are added in the reaction vessel that aqueous sodium hydroxide solution is housed mix and at 60 DEG C stirring reaction 25min.
Aluminum chloride and N is added in b, first backward described reaction vessel, N ' methylene-bisacrylamide, continue stirring reaction at 50 DEG C, until add sodium bicarbonate when reaction product is gel in reaction vessel, continue stirring reaction 0.5h, then reaction product is taken out and dry to solid content be 90-95wt%.
C, by attapulgite thermal activation 3h at 500 DEG C, then the attapulgite after thermal activation being added to concentration is at 50 DEG C, carry out stirring 60min in the KH-560 silane coupling agent ethanolic soln of 50wt%, then after filtering, attapulgite is dried, obtain attapulgite modified, by attapulgite modified with oleic acid mix and blend, obtained load has the attapulgite of oleic acid.
D, by the reaction product of step b, load has the attapulgite of oleic acid, LLDPE powder, Low Density Polyethylene powder, high density polyethylene(HDPE) powder, stearic acid, polyethylene wax and sulphur together carry out spice, then to add in plastic granulator successively through plastify, filtering, extrude, wire drawing, cooling, cutting, namely obtain finished product after oven dry; Wherein described in extrusion, the temperature of plastic granulating machine controls at 130 DEG C.The water-retaining resin masterbatch that the present embodiment is obtained is carrying out water absorbing properties test: accurately take 1g water-retaining resin masterbatch and be immersed in the deionized water at normal temperature of 1000 milliliters, after 4min, water-retaining resin masterbatch is taken out, until water-retaining resin masterbatch is weighed after not dripping again, arrange 10 parallel group, the mean water absorption rate of water-retaining resin masterbatch is 401g/g.
Embodiment 4
Water-retaining resin masterbatch is used in a kind of mulch film synthesis, formula is the material of following weight part: 50 parts of LLDPE powders, 16 parts of Low Density Polyethylene powders, 8 parts of high density polyethylene(HDPE) powders, 8 parts of vinylformic acid, 8 parts of concentration are the aqueous sodium hydroxide solution of 10wt%, 2 parts of sepiolite powders, 2 parts of Rhizoma amorphophalli glucomannans, 0.03 part of Potassium Persulphate, 0.05 part of aluminum chloride, 0.02 part of N, N ' methylene-bisacrylamide, 0.3 part of sodium bicarbonate, 0.5 part of Xylo-Mucine, 1 part of stearic acid, 1 part of polyethylene wax, 1 part of sulphur, 3 parts of attapulgites and 3 parts of oleic acid.
A preparation method for mulch film synthesis water-retaining resin masterbatch, carries out according to the following steps:
A, take each material in described formula by proportioning, vinylformic acid, sepiolite powder, Rhizoma amorphophalli glucomannan, Potassium Persulphate, Xylo-Mucine are added in the reaction vessel that aqueous sodium hydroxide solution is housed mix and at 70 DEG C stirring reaction 20min.
Aluminum chloride and N is added in b, first backward described reaction vessel, N ' methylene-bisacrylamide, continue stirring reaction at 60 DEG C, until add sodium bicarbonate when reaction product is gel in reaction vessel, continue stirring reaction 1h, then reaction product is taken out and dry to solid content be 90-95wt%.
C, by attapulgite thermal activation 5h at 500 DEG C, then the attapulgite after thermal activation being added to concentration is at 60 DEG C, carry out stirring 45min in the HK-570 silane coupling agent ethanolic soln of 50wt%, then after filtering, attapulgite is dried, obtain attapulgite modified, by attapulgite modified with oleic acid mix and blend, obtained load has the attapulgite of oleic acid.
D, by the reaction product of step b, load has the attapulgite of oleic acid, LLDPE powder, Low Density Polyethylene powder, high density polyethylene(HDPE) powder, stearic acid, polyethylene wax and sulphur together carry out spice, then to add in plastic granulator successively through plastify, filtering, extrude, wire drawing, cooling, cutting, namely obtain finished product after oven dry; Wherein described in extrusion, the temperature of plastic granulating machine controls at 260 DEG C.
The water-retaining resin masterbatch that the present embodiment is obtained is carrying out water absorbing properties test: accurately take 1g water-retaining resin masterbatch and be immersed in the deionized water at normal temperature of 1000 milliliters, after 4min, water-retaining resin masterbatch is taken out, until water-retaining resin masterbatch is weighed after not dripping again, arrange 10 parallel group, the mean water absorption rate of water-retaining resin masterbatch is 398g/g.
Raw materials used in the present invention, equipment, unless otherwise noted, is conventional raw material, the equipment of this area; Method therefor in the present invention, unless otherwise noted, is the ordinary method of this area.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent transformation, all still belong to the protection domain of technical solution of the present invention.
Claims (5)
1. water-retaining resin masterbatch is used in a mulch film synthesis, it is characterized in that the material of filling a prescription as following weight part: 34-64 part LLDPE powder, 14-24 part Low Density Polyethylene powder, 4-8 part high density polyethylene(HDPE) powder, 6-8 part vinylformic acid, 6-10 part aqueous sodium hydroxide solution, 1-3 part sepiolite powder, 1-3 part Rhizoma amorphophalli glucomannan, 0.02-0.04 part Potassium Persulphate, 0.04-0.06 part aluminum chloride, 0.01-0.03 part N, N ' methylene-bisacrylamide, 0.1-0.3 part sodium bicarbonate, 0.5-1.5 part Xylo-Mucine, 1-2 part stearic acid, 1-2 part polyethylene wax, 1-3 part sulphur.
2. water-retaining resin masterbatch is used in mulch film synthesis as claimed in claim 1, and it is characterized in that, the concentration of described aqueous sodium hydroxide solution is 5-15wt%.
3. water-retaining resin masterbatch is used in mulch film synthesis as claimed in claim 1 or 2, it is characterized in that, also comprises 1-3 part attapulgite and 1-3 part oleic acid in the formula of described mulch film synthesis water-retaining resin masterbatch.
4. a preparation method for mulch film synthesis water-retaining resin masterbatch as claimed in claim 1 or 2, is characterized in that carrying out according to the following steps:
A, take each material in described formula by proportioning, vinylformic acid, sepiolite powder, Rhizoma amorphophalli glucomannan, Potassium Persulphate, Xylo-Mucine are added in the reaction vessel that aqueous sodium hydroxide solution is housed mix and at 60-70 DEG C stirring reaction 15-25min;
Aluminum chloride and N is added in b, first backward described reaction vessel, N ' methylene-bisacrylamide, continue stirring reaction at 50-60 DEG C, until add sodium bicarbonate when reaction product is gel in reaction vessel, continue stirring reaction 0.5-1h, then reaction product is taken out and dry to solid content be 90-95wt%;
C, by the reaction product of step b, LLDPE powder, Low Density Polyethylene powder, high density polyethylene(HDPE) powder, stearic acid, polyethylene wax and sulphur together carry out spice, then to add in plastic granulator successively through plastify, filtering, extrude, wire drawing, cooling, cutting, namely obtain finished product after oven dry; Wherein described in extrusion, the temperature of plastic granulating machine controls at 130-280 DEG C.
5. a preparation method for mulch film synthesis water-retaining resin masterbatch as claimed in claim 3, is characterized in that carrying out according to the following steps:
A, take each material in described formula by proportioning, vinylformic acid, sepiolite powder, Rhizoma amorphophalli glucomannan, Potassium Persulphate, Xylo-Mucine are added in the reaction vessel that aqueous sodium hydroxide solution is housed mix and at 60-70 DEG C stirring reaction 15-25min;
Aluminum chloride and N is added in b, first backward described reaction vessel, N ' methylene-bisacrylamide, continue stirring reaction at 50-60 DEG C, until add sodium bicarbonate when reaction product is gel in reaction vessel, continue stirring reaction 0.5-1h, then reaction product is taken out and dry to solid content be 90-95wt%;
C, by attapulgite thermal activation 3-5h at 500 DEG C, then the attapulgite after thermal activation being added to concentration is at 50-60 DEG C, carry out stirring 40-60min in the silane coupling agent ethanolic soln of 50wt%, then after filtering, attapulgite is dried, obtain attapulgite modified, by attapulgite modified with oleic acid mix and blend, obtained load has the attapulgite of oleic acid;
D, by the reaction product of step b, load has the attapulgite of oleic acid, LLDPE powder, Low Density Polyethylene powder, high density polyethylene(HDPE) powder, stearic acid, polyethylene wax and sulphur together carry out spice, then to add in plastic granulator successively through plastify, filtering, extrude, wire drawing, cooling, cutting, namely obtain finished product after oven dry; Wherein described in extrusion, the temperature of plastic granulating machine controls at 130-280 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106810740A (en) * | 2016-12-02 | 2017-06-09 | 长兴天晟能源科技有限公司 | A kind of functional agglomerate for improving polyethylene ground film solid water ability |
| CN116161800A (en) * | 2023-03-13 | 2023-05-26 | 江苏香河农业开发有限公司 | Biological wax composite material for optimizing micro-ecological system of culture water body and improving water environment and preparation thereof |
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| CN116161800A (en) * | 2023-03-13 | 2023-05-26 | 江苏香河农业开发有限公司 | Biological wax composite material for optimizing micro-ecological system of culture water body and improving water environment and preparation thereof |
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| CN105330953B (en) | 2017-08-25 |
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