CN105330953B - A kind of mulch film synthesis water-retaining resin masterbatch and preparation method thereof - Google Patents
A kind of mulch film synthesis water-retaining resin masterbatch and preparation method thereof Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- 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
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Abstract
The present invention relates to film material field, a kind of mulch film synthesis water-retaining resin masterbatch and preparation method thereof is disclosed, is formulated and is：34 64 parts of linear low density polyethylene (LLDPE) powders, 14 24 parts of low density polyethylene (LDPE) powders, 48 parts of high density polyethylene (HDPE) powders, 68 parts of acrylic acid, 6 10 parts of sodium hydrate aqueous solutions, 13 parts of sepiolite powders, 13 parts of konjaku glucomannans, 0.02 0.04 parts of potassium peroxydisulfates, 0.04 0.06 parts of aluminium chloride, 0.01 0.03 parts of N, N ' methylene-bisacrylamides, 0.1 0.3 parts of sodium acid carbonates, 0.5 1.5 parts of sodium carboxymethylcelluloses, 12 parts of stearic acid, 12 parts of Tissuemat Es, 13 parts of sulphur.The resin concentrates of the present invention can absorb, store, discharging moisture, strengthen the water-retaining property of soil；Soil texture, increase soil activation can be improved, promote plant root growth.
Description
Technical field
The present invention relates to film material field, more particularly to a kind of synthesis of mulch film water-retaining resin masterbatch and its preparation side
Method.
Background technology
China is traditional large agricultural country, in recent years, as high-efficiency water-saving agricultural, industrialized agriculture, drought-resistant agriculture etc. develop
Rapidly, therefore, market is increasing for the agricultural mulching demand for being capable of water conservation in recent years.
Application No. CN201410169375.0 Chinese invention patent discloses a kind of prevention waterlogging drought resisting storing water mulch film, profit
It is longitudinally equal with mulch film equivalent material in horizontal lateral separation appropriately distance hot pressing in its lower section with the high-quality mulch film of indefinite length
Crop breeding hole is left on even water storage bag, the both sides of each water storage bag longitudinal direction, for proportion of crop planting, rainy above water storage bag
Water collects hole, for rainy day rainwater-collecting, there is collodion spout hole below, farming is slowly released to for the rainwater inside water storage bag
The root system of thing, reaches the purpose of prevention waterlogging, drought resisting, water conservation, insulation, moisturizing.
The mulch film of foregoing invention realizes water retaining function merely by the change in structure, due to complicated, in system
Production and processing is inconvenient when standby, and can wind storage unlike common ground film, is inconvenient.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of mulch film synthesis water-retaining resin masterbatch and its preparation side
Method.The mulch film synthesis of the present invention selects advanced composite material (ACM) with water-retaining resin masterbatch, can quickly absorb, store, slowly discharging
Moisture, can effectively reduce the deep percolation of irrigation water (rainwater) and fertilizer, improve water and fertilizer utilization, strengthen the water conservation of soil
Property, the evaporation of soil moisture control, to meet the growth needs of plant；It can also improve soil texture, increase soil activation,
Reduce soil plate and promote plant root growth development etc..
The present invention concrete technical scheme be：Water-retaining resin masterbatch is used in a kind of mulch film synthesis, is formulated as following parts by weight
Material：34-64 parts of linear low density polyethylene (LLDPE) powders, 14-24 parts of low density polyethylene (LDPE) powders, 4-8 parts of high density polyethylene (HDPE) powder
Material, 6-8 parts of acrylic acid, 6-10 parts of sodium hydrate aqueous solutions, 1-3 parts of sepiolite powders, 1-3 parts of konjaku glucomannans, 0.02-0.04
Part potassium peroxydisulfate, 0.04-0.06 parts of aluminium chloride, 0.01-0.03 parts of N, N ' methylene-bisacrylamides, 0.1-0.3 parts of bicarbonates
Sodium, 0.5-1.5 parts of sodium carboxymethylcelluloses, 1-2 parts of stearic acid, 1-2 parts of Tissuemat Es, 1-3 parts of sulphur.
It is low with linear low density polyethylene (LLDPE) powder in formula of the technical program mulch film synthesis with water-retaining resin masterbatch
Density polyethylene powder and high density polyethylene (HDPE) powder are as matrix, and the wherein polyethylene powder of different densities and structure is arranged in pairs or groups,
It can make masterbatch that there is ideal softening temperature, melting temperature, while it is preferable to have mulch film after mulch film is prepared into
Tensile strength, toughness and weatherability.Acrylic acid is together combined with sepiolite powder, konjaku glucomannan, sodium carboxymethylcellulose,
So that have strongly moisture adsorption and releasing ability after composite shaping, and absorbent capacity is big, can absorb rapidly itself hundreds times
The deionized water of weight and the saliferous moisture of decades of times weight, additionally it is possible to carried out automatically according to the psychrometric difference of own material and environment
Moisture adsorption and releasing.
As the further preferred of the technical program, the concentration of the sodium hydrate aqueous solution is 5-15wt%.Hydroxide
Sodium water solution has following effect in formula：One is anti-as raw material and acrylic acid generation when preparing Sodium Polyacrylate
Should；Two be the neutralization reagent as reaction system, makes reaction product in neutrality；Three be to be prepared into Sodium Polyacrylate answering for main body
After condensation material, the solvent of Sodium Polyacrylate, the fused degree of increase Sodium Polyacrylate and other raw materials are used as.
As the further preferred of the technical program, the mulch film synthesis, which is used in the formula of water-retaining resin masterbatch, also includes 1-
3 parts of attapulgites and 1-3 parts of oleic acid.In formula, oleic acid is supported on attapulgite, stability is strong；In addition, attapulgite
Ground film strength can be strengthened, and oleic acid can increase the oxygen content of water body after water is dissolved in, when the resin concentrates system of the present invention
Standby into after mulch film, after mulch film absorbs large quantity of moisture, oleic acid moiety is dissolved, oxygen content increase in moisture, and mulch film is to soil
While earth permeates moisture, certain oxygen also is provided to the crop root system in soil, is conducive to respiration, promotes root system
Growth, is solved due to covering with ground sheeting, 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, by proportioning weigh each material in the formula, by acrylic acid, sepiolite powder, konjaku glucomannan, potassium peroxydisulfate,
Sodium carboxymethylcellulose, which is added in the reaction vessel equipped with sodium hydrate aqueous solution, to be well mixed and stirs anti-at 60-70 DEG C
Answer 15-25min.
Addition aluminium chloride and N, N in b, the first backward reaction vessel ' methylene-bisacrylamide, continues at 50-60 DEG C
Lower stirring reaction, until reaction product adds sodium acid carbonate into reaction vessel when being in gel, continues stirring reaction 0.5-1h,
Then it is 90-95wt% reaction product to be taken out and dried to solid content.
C, the reaction product by step b, linear low density polyethylene (LLDPE) powder, low density polyethylene (LDPE) powder, high-density polyethylene
Alkene powder, stearic acid, Tissuemat E and sulphur together carry out spice, be then added in plastic granulator successively by plasticizing,
It is finished product after filtering, extrusion, wire drawing, cooling, cutting, drying；The temperature of plastic granulating machine wherein described in extrusion
Control is at 130-280 DEG C.
Present invention also offers the preparation method of another mulch film synthesis water-retaining resin masterbatch, carry out according to the following steps：
A, by proportioning weigh each material in the formula, by acrylic acid, sepiolite powder, konjaku glucomannan, potassium peroxydisulfate,
Sodium carboxymethylcellulose, which is added in the reaction vessel equipped with sodium hydrate aqueous solution, to be well mixed and stirs anti-at 60-70 DEG C
Answer 15-25min.The mixing material based on Sodium Polyacrylate is made in step a.
Addition aluminium chloride and N, N in b, the first backward reaction vessel ' methylene-bisacrylamide, continues at 50-60 DEG C
Lower stirring reaction, until reaction product adds sodium acid carbonate into reaction vessel when being in gel, continues stirring reaction 0.5-1h,
Then it is 90-95wt% reaction product to be taken out and dried to solid content.Add after sodium acid carbonate, sodium acid carbonate is given birth to by thermal decomposition
Aerogenesis body, so as to generate substantial amounts of miniature hole in gel resin, can greatly improve and be made after water absorption capacity, step b
Gel composite based on Sodium Polyacrylate.
C, by attapulgite at 500 DEG C thermal activation 3-5h, the attapulgite after thermal activation then is added into concentration is
40-60min is stirred at 50-60 DEG C in 50wt% silane coupler ethanol solution, by attapulgite after then filtering
Drying, obtains attapulgite modified, is mixed attapulgite modified with oleic acid, the attapulgite for being loaded with oleic acid is made.
D, the reaction product by step b, are loaded with the attapulgite of oleic acid, linear low density polyethylene (LLDPE) powder, low-density
Polyethylene powder, high density polyethylene (HDPE) powder, stearic acid, Tissuemat E and sulphur together carry out spice, are then added to plastics
Priority is finished product after plasticizing, filtering, extrusion, wire drawing, cooling, cutting, drying in comminutor；Wherein in extrusion
Described in plastic granulating machine temperature control at 130-280 DEG C.
It is compared with the prior art, the beneficial effects of the invention are as follows：The mulch film produced with water conservation masterbatch of the present invention, can be rapid
The saliferous moisture for the deionized water decades of times that hundreds times of absorptance itself weight, creating can quickly absorb, store, slowly discharging
" the small reservoir " of moisture and nutrient, can effectively reduce the deep percolation of irrigation water (rainwater) and fertilizer, improve water and fertilizer utilization,
Strengthen the water-retaining property of soil, the evaporation of soil moisture control, to meet the growth needs of plant；It can also improve soil knot
Structure, increase soil activation, reduction soil plate and promotion plant root growth development etc..
Embodiment
With reference to embodiment, the invention will be further described.The poly- second of linear, low density described in following examples
Alkene powder, low density polyethylene (LDPE) powder, high density polyethylene (HDPE) powder is product purchased in market, wherein linear low density polyethylene (LLDPE) powder
Material, the relative density of low density polyethylene (LDPE) powder is between 0.910-0.925, and the relative density of high density polyethylene (HDPE) powder exists
Between 0.941-0.965.
Embodiment 1
Water-retaining resin masterbatch is used in a kind of mulch film synthesis, is formulated as the material of following parts by weight：49 parts of poly- second of linear, low density
Alkene powder, 19 parts of low density polyethylene (LDPE) powders, 6 parts of high density polyethylene (HDPE) powders, 7 parts of acrylic acid, the hydrogen that 8 parts of concentration are 10wt%
Aqueous solution of sodium oxide, 2 parts of sepiolite powders, 2 parts of konjaku glucomannans, 0.03 part of potassium peroxydisulfate, 0.05 part of aluminium chloride, 0.02 part of N,
N ' methylene-bisacrylamides, 0.2 part of sodium acid carbonate, 1 part of sodium carboxymethylcellulose, 1.5 parts of stearic acid, 13 parts of Tissuemat Es, 2
Part sulphur.
A kind of mulch film synthesis preparation method of water-retaining resin masterbatch, is carried out according to the following steps：
A, by proportioning weigh each material in the formula, by acrylic acid, sepiolite powder, konjaku glucomannan, potassium peroxydisulfate,
Sodium carboxymethylcellulose, which is added in the reaction vessel equipped with sodium hydrate aqueous solution, to be well mixed and the stirring reaction at 65 DEG C
20min。
Addition aluminium chloride and N, N in b, the first backward reaction vessel ' methylene-bisacrylamide, continues to stir at 55 DEG C
Reaction is mixed, until reaction product adds sodium acid carbonate into reaction vessel when being in gel, continues stirring reaction 0.75h, then
It is 90-95wt% that reaction product, which is taken out and dried to solid content,.
C, the reaction product by step b, linear low density polyethylene (LLDPE) powder, low density polyethylene (LDPE) powder, high-density polyethylene
Alkene powder, stearic acid, Tissuemat E and sulphur together carry out spice, be then added in plastic granulator successively by plasticizing,
It is finished product after filtering, extrusion, wire drawing, cooling, cutting, drying；The temperature of plastic granulating machine wherein described in extrusion
Control is at 205 DEG C.
Water-retaining resin masterbatch made from the present embodiment is being subjected to water absorbing properties test：Accurately weigh 1g water-retaining resin masterbatch
And be immersed in 1000 milliliters of deionized water at normal temperature, water-retaining resin masterbatch is taken out after 4min, until water-retaining resin is female
Material is weighed again after not dripping, and sets 10 parallel groups, 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, is formulated as the material of following parts by weight：38 parts of poly- second of linear, low density
Alkene powder, 24 parts of low density polyethylene (LDPE) powders, 4 parts of high density polyethylene (HDPE) powders, 8 parts of acrylic acid, the hydrogen that 10 parts of concentration are 5wt%
Aqueous solution of sodium oxide, 1 part of sepiolite powder, 3 parts of konjaku glucomannans, 0.04 part of potassium peroxydisulfate, 0.06 part of aluminium chloride, 0.03 part of N,
N ' methylene-bisacrylamides, 0.3 part of sodium acid carbonate, 1.5 parts of sodium carboxymethylcelluloses, 2 parts of stearic acid, 2 parts of Tissuemat Es, 3
Part sulphur.
A kind of mulch film synthesis preparation method of water-retaining resin masterbatch, is carried out according to the following steps：
A, by proportioning weigh each material in the formula, by acrylic acid, sepiolite powder, konjaku glucomannan, potassium peroxydisulfate,
Sodium carboxymethylcellulose, which is added in the reaction vessel equipped with sodium hydrate aqueous solution, to be well mixed and the stirring reaction at 70 DEG C
15min。
Addition aluminium chloride and N, N in b, the first backward reaction vessel ' methylene-bisacrylamide, continues to stir at 60 DEG C
Reaction is mixed, until reaction product adds sodium acid carbonate into reaction vessel when being in gel, continues stirring reaction 1h, then will be anti-
It is 90-95wt% to answer product to take out and dry to solid content.
C, the reaction product by step b, linear low density polyethylene (LLDPE) powder, low density polyethylene (LDPE) powder, high-density polyethylene
Alkene powder, stearic acid, Tissuemat E and sulphur together carry out spice, be then added in plastic granulator successively by plasticizing,
It is finished product after filtering, extrusion, wire drawing, cooling, cutting, drying；The temperature of plastic granulating machine wherein described in extrusion
Control is at 280 DEG C.
Water-retaining resin masterbatch made from the present embodiment is being subjected to water absorbing properties test：Accurately weigh 1g water-retaining resin masterbatch
And be immersed in 1000 milliliters of deionized water at normal temperature, water-retaining resin masterbatch is taken out after 4min, until water-retaining resin is female
Material is weighed again after not dripping, and sets 10 parallel groups, 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, is formulated as the material of following parts by weight：64 parts of poly- second of linear, low density
Alkene powder, 14 parts of low density polyethylene (LDPE) powders, 4 parts of high density polyethylene (HDPE) powders, 6 parts of acrylic acid, the hydrogen that 6 parts of concentration are 15wt%
Aqueous solution of sodium oxide, 1 part of sepiolite powder, 1 part of konjaku glucomannan, 0.02 part of potassium peroxydisulfate, 0.04 part of aluminium chloride, 0.01 part of N,
N ' methylene-bisacrylamides, 0.1 part of sodium acid carbonate, 0.5 part of sodium carboxymethylcellulose, 1 part of stearic acid, 1 part of Tissuemat E, 1
Part sulphur, 1 part of attapulgite and 1 part of oleic acid.
A kind of mulch film synthesis preparation method of water-retaining resin masterbatch, is carried out according to the following steps：
A, by proportioning weigh each material in the formula, by acrylic acid, sepiolite powder, konjaku glucomannan, potassium peroxydisulfate,
Sodium carboxymethylcellulose, which is added in the reaction vessel equipped with sodium hydrate aqueous solution, to be well mixed and the stirring reaction at 60 DEG C
25min。
Addition aluminium chloride and N, N in b, the first backward reaction vessel ' methylene-bisacrylamide, continues to stir at 50 DEG C
Reaction is mixed, until reaction product adds sodium acid carbonate into reaction vessel when being in gel, continues stirring reaction 0.5h, then will
It is 90-95wt% that reaction product, which is taken out and dried to solid content,.
C, by attapulgite at 500 DEG C thermal activation 3h, the attapulgite after thermal activation then is added into concentration is
60min is stirred at 50 DEG C in 50wt% KH-560 silane coupler ethanol solutions, by attapulgite after then filtering
Drying, obtains attapulgite modified, is mixed attapulgite modified with oleic acid, the attapulgite for being loaded with oleic acid is made.
D, the reaction product by step b, are loaded with the attapulgite of oleic acid, linear low density polyethylene (LLDPE) powder, low-density
Polyethylene powder, high density polyethylene (HDPE) powder, stearic acid, Tissuemat E and sulphur together carry out spice, are then added to plastics
Priority is finished product after plasticizing, filtering, extrusion, wire drawing, cooling, cutting, drying in comminutor；Wherein in extrusion
Described in plastic granulating machine temperature control at 130 DEG C.Water-retaining resin masterbatch made from the present embodiment is being subjected to water absorbing properties survey
Examination：Accurately weigh 1g water-retaining resins masterbatch and be immersed in 1000 milliliters of deionized water at normal temperature, by water conservation tree after 4min
Fat masterbatch takes out, until water-retaining resin masterbatch is weighed again after not dripping, and sets 10 parallel groups, water-retaining resin masterbatch it is flat
Equal water absorption rate is 401g/g.
Embodiment 4
Water-retaining resin masterbatch is used in a kind of mulch film synthesis, is formulated as the material of following parts by weight：50 parts of poly- second of linear, low density
Alkene powder, 16 parts of low density polyethylene (LDPE) powders, 8 parts of high density polyethylene (HDPE) powders, 8 parts of acrylic acid, the hydrogen that 8 parts of concentration are 10wt%
Aqueous solution of sodium oxide, 2 parts of sepiolite powders, 2 parts of konjaku glucomannans, 0.03 part of potassium peroxydisulfate, 0.05 part of aluminium chloride, 0.02 part of N,
N ' methylene-bisacrylamides, 0.3 part of sodium acid carbonate, 0.5 part of sodium carboxymethylcellulose, 1 part of stearic acid, 1 part of Tissuemat E, 1
Part sulphur, 3 parts of attapulgites and 3 parts of oleic acid.
A kind of mulch film synthesis preparation method of water-retaining resin masterbatch, is carried out according to the following steps：
A, by proportioning weigh each material in the formula, by acrylic acid, sepiolite powder, konjaku glucomannan, potassium peroxydisulfate,
Sodium carboxymethylcellulose, which is added in the reaction vessel equipped with sodium hydrate aqueous solution, to be well mixed and the stirring reaction at 70 DEG C
20min。
Addition aluminium chloride and N, N in b, the first backward reaction vessel ' methylene-bisacrylamide, continues to stir at 60 DEG C
Reaction is mixed, until reaction product adds sodium acid carbonate into reaction vessel when being in gel, continues stirring reaction 1h, then will be anti-
It is 90-95wt% to answer product to take out and dry to solid content.
C, by attapulgite at 500 DEG C thermal activation 5h, the attapulgite after thermal activation then is added into concentration is
45min is stirred at 60 DEG C in 50wt% HK-570 silane coupler ethanol solutions, by attapulgite after then filtering
Drying, obtains attapulgite modified, is mixed attapulgite modified with oleic acid, the attapulgite for being loaded with oleic acid is made.
D, the reaction product by step b, are loaded with the attapulgite of oleic acid, linear low density polyethylene (LLDPE) powder, low-density
Polyethylene powder, high density polyethylene (HDPE) powder, stearic acid, Tissuemat E and sulphur together carry out spice, are then added to plastics
Priority is finished product after plasticizing, filtering, extrusion, wire drawing, cooling, cutting, drying in comminutor；Wherein in extrusion
Described in plastic granulating machine temperature control at 260 DEG C.
Water-retaining resin masterbatch made from the present embodiment is being subjected to water absorbing properties test：Accurately weigh 1g water-retaining resin masterbatch
And be immersed in 1000 milliliters of deionized water at normal temperature, water-retaining resin masterbatch is taken out after 4min, until water-retaining resin is female
Material is weighed again after not dripping, and sets 10 parallel groups, the mean water absorption rate of water-retaining resin masterbatch is 398g/g.
Raw materials used in the present invention, equipment, is the conventional raw material, equipment of this area unless otherwise noted；In the present invention
Method therefor, is the conventional method of this area unless otherwise noted.
It is described above, only it is presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present invention
Any simple modification, change and equivalent transformation that technical spirit is made to above example, still fall within the technology of the present invention side
The protection domain of case.
Claims (3)
1. water-retaining resin masterbatch is used in a kind of mulch film synthesis, it is characterised in that be formulated as the material of following parts by weight：34-64 parts of line styles
Low density polyethylene (LDPE) powder, 14-24 parts of low density polyethylene (LDPE) powders, 4-8 parts of high density polyethylene (HDPE) powders, 6-8 parts of acrylic acid, 6-
10 parts of sodium hydrate aqueous solutions, 1-3 parts of sepiolite powders, 1-3 parts of konjaku glucomannans, 0.02-0.04 parts of potassium peroxydisulfates, 0.04-
0.06 part of aluminium chloride, 0.01-0.03 parts of N, N ' methylene-bisacrylamides, 0.1-0.3 parts of sodium acid carbonates, 0.5-1.5 parts of carboxylic first
Base sodium cellulosate, 1-2 parts of stearic acid, 1-2 parts of Tissuemat Es, 1-3 parts of sulphur, 1-3 parts of attapulgites and 1-3 parts of oleic acid.
2. water-retaining resin masterbatch is used in mulch film synthesis as claimed in claim 1, it is characterised in that the sodium hydrate aqueous solution
Concentration is 5-15wt%.
3. a kind of preparation method of mulch film synthesis water-retaining resin masterbatch as claimed in claim 1, it is characterised in that by following
Step is carried out：
A, by proportioning each material in the formula is weighed, by acrylic acid, sepiolite powder, konjaku glucomannan, potassium peroxydisulfate, carboxylic first
Base sodium cellulosate, which is added in the reaction vessel equipped with sodium hydrate aqueous solution, to be well mixed and the stirring reaction at 60-70 DEG C
15-25min；
Addition aluminium chloride and N, N in b, the first backward reaction vessel ' methylene-bisacrylamide, continues to stir at 50-60 DEG C
Reaction is mixed, until reaction product adds sodium acid carbonate into reaction vessel when being in gel, continues stirring reaction 0.5-1h, then
It is 90-95wt% that reaction product, which is taken out and dried to solid content,；
C, by attapulgite at 500 DEG C thermal activation 3-5h, the attapulgite after thermal activation then is added into concentration is
40-60min is stirred at 50-60 DEG C in 50wt% silane coupler ethanol solution, by attapulgite after then filtering
Drying, obtains attapulgite modified, is mixed attapulgite modified with oleic acid, the attapulgite for being loaded with oleic acid is made；
D, the reaction product by step b, are loaded with the attapulgite of oleic acid, linear low density polyethylene (LLDPE) powder, low density polyethylene
Alkene powder, high density polyethylene (HDPE) powder, stearic acid, Tissuemat E and sulphur together carry out spice, are then added to plastic granulating
Priority is finished product after plasticizing, filtering, extrusion, wire drawing, cooling, cutting, drying in machine；The institute wherein in extrusion
The temperature control of plastic granulator is stated at 130-280 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510922712.3A CN105330953B (en) | 2015-12-14 | 2015-12-14 | A kind of mulch film synthesis water-retaining resin masterbatch and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510922712.3A CN105330953B (en) | 2015-12-14 | 2015-12-14 | A kind of mulch film synthesis water-retaining resin masterbatch and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105330953A CN105330953A (en) | 2016-02-17 |
| CN105330953B true CN105330953B (en) | 2017-08-25 |
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