CN105348606B - A kind of ageing-resistant polyolefin anti-dropping film - Google Patents
A kind of ageing-resistant polyolefin anti-dropping film Download PDFInfo
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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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- C08J3/20—Compounding polymers with additives, e.g. colouring
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Abstract
The present invention relates to agricultural plastic film field, a kind of ageing-resistant polyolefin anti-dropping film is disclosed, including the material of following parts by weight is blow molded and obtained：70 80 parts of polyolefin powder, lubricant are 23 parts, dispersant is 23 parts, 24 parts of weeding component, 24 parts of expelling parasite component, 24 parts of drip agent, 35 parts of adhesive, 37 parts of black functional agglomerate.The ageing-resistant dust-proof printing opacity of polyolefin anti-dropping film of the present invention, eliminates fog in canopy, and quick heating, good heat insulation, drip effect is long, and service life is long, and can also weeding, expelling parasite.
Description
Technical field
The present invention relates to agricultural plastic film field, more particularly to a kind of ageing-resistant polyolefin anti-dropping film.
Background technology
During proportion of crop planting, plastic film shed can be used to protect crops.Plastic sheeting would generally
From polyolefin film, but the hydrophily of nonpolar polyolefin film is bad, in use because canopy temperature is higher,
The inner surface of film can condense one layer of water droplet, and a large amount of water droplets are attached to film inner surface, it is difficult to left along greenhouse, can reduce outer
Transmitance of portion's illumination on film, so as to influence the crops in greenhouse to carry out photosynthesis, while will also result in greenhouse
Temperature is reduced.In addition, spun lacing by also can be because of its crops under gravitational low seedling rot, rotten seedling.
Application No. CN201110003234.8 Chinese invention patent discloses a kind of dry spraying production agricultural booth
The method of film：The method that solid material is used to interior spraying by conveying device, makes it spray and be attached in blow-molding process
On the inner side top layer of awning film, the solid material is containing-OH hydrophilic radicals and-COOH hydrophobic groupings in mass ratio 1: 1
Proportional arrangement is formed.The present invention reduces the frictional force between film and collapser, plate, the shake of envelope is solved.So as to
So that agricultural film product is smooth.And without drying, greatly reduce energy consumption, the use requirement of any horticultural facility can be met.Pass through
Agriculture greenhouse film produced by the invention, its light transmittance, haze value, heat insulating ability are all greatly improved, and raw material are not selected
Selecting property, various materials can be applied.
Although the awning film in above-mentioned technical proposal improves the light transmittance and heat insulating ability of awning film to a certain extent,
It is that its solid material sprays for the later stage, the adhesive with greenhouse membrane body is poor, therefore without long-term effect.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of ageing-resistant polyolefin anti-dropping film.The present invention's is resistance to old
Change the dust-proof printing opacity of polyolefin anti-dropping film, eliminate fog in canopy, quick heating, good heat insulation, drip effect is long, and service life is long, and also
Being capable of weeding, expelling parasite.
The present invention concrete technical scheme be：A kind of ageing-resistant polyolefin anti-dropping film, including the material of following parts by weight blow
Mould and obtain：70-80 parts of polyolefin powder, lubricant are 2-3 parts, dispersant is 2-3 parts, 2-4 parts of weeding component, expelling parasite component 2-
4 parts, 2-4 parts of drip agent, 3-5 parts of adhesive, 3-7 parts of black functional agglomerate.
Drip agent is the material with surface-active in technical scheme, it is possible to increase the critical surfaces of anti-dropping film
Tension force, so that the tiny drops of water for condensing upon anti-dropping film inner surface sprawls the moisture film in layer of transparent, and is flowed downwardly into along membranous wall
Bottom surface.Drip agent is together combined with polyolefin powder, stability of the drip agent in anti-dropping film is good, and drip effect is long
Long.
As the further preferred of the technical program, the material that the black functional agglomerate includes following parts by weight is made：
40-70.7 parts of carbon blacks, 1-2 parts of antioxidant, 0.5-1 parts of light stabilizers, 0.8-1.5 parts of ultra-violet absorbers, 2.5-6 parts of line styles are low
Density polyethylene powder, 15-30 parts of low density polyethylene (LDPE) powders, 5-10 parts of high density polyethylene (HDPE) powders, 1.5-3 parts of polyethylene
Wax, 2-4 parts of lignin fibres, 2-4 parts of sodium carboxymethylcelluloses.
Effect of the black functional agglomerate in the technical program is to strengthen the mechanical performance and weatherability of anti-dropping film.
Black functional agglomerate is being equipped with linear low density polyethylene (LLDPE) powder, low density polyethylene (LDPE) using carbon black as primary raw material
Powder and high density polyethylene (HDPE) powder can make master batch as the polyethylene powder collocation of auxiliary material, wherein different densities and structure
With ideal softening temperature, melting temperature, while making anti-dropping film have preferably stretching strong after anti-dropping film is prepared into
Degree, toughness and weatherability, particularly in the winter time, black functional agglomerate can make anti-dropping film be difficult embrittlement and rupture.Lignin is fine
Peacekeeping sodium carboxymethylcellulose can improve black functional agglomerate and the cohesive of other compositions in anti-dropping film, can also improve drip
The tensile strength of film.But it is due to that black functional agglomerate is black, therefore its content needs strict control, otherwise can influence drip
The light transmittance of film.
As the further preferred of the technical program, the light stabilizer in the black functional agglomerate is 4- benzoxies
In base -2,2,6,6- tetramethyl piperidines, HMPA, 2,4,6- tri- (2 ' n-butoxyphenyl) -1,3,5-triazines
It is one or more；Ultra-violet absorber is septichen phenyl ester, 2,4 dihydroxyl benzophenone, 2- hydroxyl -4- methoxyl groups
One or more in benzophenone；Antioxidant is 2,6- three-level butyl -4- methylphenols, double (3,5- three-level butyl -4- hydroxyls
Phenyl) thioether, double Lauryl Alcohol esters, double ten four carbon alcohols esters, the one or more in double octadecanol esters.
As the further preferred of the technical program, the preparation method of the black functional agglomerate is as follows：
Carbon black is weighed by proportioning, antioxidant, light stabilizer, ultra-violet absorber, linear low density polyethylene (LLDPE) powder is low close
Spend polyethylene powder, high density polyethylene (HDPE) powder, Tissuemat E, lignin fibre and sodium carboxymethylcellulose and carry out mixing and mix
Material, is then added in plastic granulator and is successively made black after plasticizing, filtering, extrusion, wire drawing, cooling, cutting, drying
Color functional agglomerate；The temperature control of plastic granulator is at 130-280 DEG C wherein described in extrusion.
As the further preferred of the technical program, the expelling parasite component is loaded with lignum cinnamomi camphorae essential oil by 15-35wt%'s
Nano silicon, 1-2wt% Tissuemat E, 10-20wt% linear low density polyethylene (LLDPE) powder, 20-30wt%'s
Low density polyethylene (LDPE) powder and the high density polyethylene (HDPE) powder of surplus are granulated and obtained through plastic granulator.
On the one hand nano silicon can strengthen the heat resistance and anti-wear performance of anti-dropping film in expelling parasite component, on the other hand
Lignum cinnamomi camphorae essential oil can be loaded, lignum cinnamomi camphorae essential oil is excessively lost in the anti-dropping film preparation process that can be avoided, and is used in anti-dropping film
During, nano silicon also can be good at slowly discharging lignum cinnamomi camphorae essential oil, and acquisition time is longer.Lignum cinnamomi camphorae essential oil can
Expelling parasite, prevents crops from being gnawed by worm.
As the further preferred of the technical program, the preparation side of the nano silicon for being loaded with lignum cinnamomi camphorae essential oil
Method is as follows：
Each material in expelling parasite component is weighed by proportioning, it is the silane coupled of 60wt% that nano silicon is added into concentration
20-40min is stirred in agent ethanol solution at 60-70 DEG C, nano silicon is dried after then filtering, is modified
Nano silicon, modified manometer silicon dioxide and lignum cinnamomi camphorae essential oil are mixed, is made and is loaded with receiving for lignum cinnamomi camphorae essential oil
Rice silica, the wherein load capacity of lignum cinnamomi camphorae essential oil are 0.2-0.3g/g.
Property nano silicon is modified, it is possible to increase its load performance and to the compatible of other organic components
Property.
As the further preferred of the technical program, the weeding component is loaded with the recessed of herbicide by 30-50wt%'s
Convex rod soil, 2-3wt% Tissuemat E, 5-15wt% linear low density polyethylene (LLDPE) powder, 15-25wt% low density polyethylene
Alkene powder and the high density polyethylene (HDPE) powder of surplus are granulated and obtained through plastic granulator.
As the further preferred of the technical program, the herbicide is in alachlor, Acetochlor, isoproturon or Tea Saponin
One or more.
As the further preferred of the technical program, the preparation method of the attapulgite for being loaded with herbicide is as follows：
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 together mixed attapulgite modified with herbicide in water, then dries, be made
It is loaded with the attapulgite of herbicide.
Herbicide is supported on attapulgite, stability is strong, and attapulgite can slowly be discharged to herbicide, be removed
Careless agent is penetrated into behind anti-dropping film surface and together flow to water droplet on ground, so as to play herbicide effect.
As the further preferred of the technical program, the lubricant is microcrystalline wax, and the dispersant is Tissuemat E,
Described adhesive is sodium carboxymethylcellulose, and the drip agent is polyglyceryl fatty acid ester or glycerin monostearate.
It is compared with the prior art, the beneficial effects of the invention are as follows：
1. dust-proof printing opacity, can eliminate fog in canopy, and effect is permanent；
2. quick heating, good heat insulation；
3. with deinsectization, herbicidal effect, few pest and disease damage, higher yield of crops, precocity；
4. drip film heat resistance, wearability, tensile property are good, service life is long, continuously can use more than 18 months.
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
A kind of ageing-resistant polyolefin anti-dropping film, including the material of following parts by weight are blow molded and obtained：
75 parts of polyolefin powder, 2.5 parts of microcrystalline wax, 2.5 parts of Tissuemat E, 4 parts of sodium carboxymethylcellulose, polyglycerol ester
3 parts of fat acid esters, 3 parts of weeding component, 3 parts of expelling parasite component, 5 parts of black functional agglomerate.
Wherein, the weeding component by the 40wt% attapulgite for being loaded with herbicide, 2.5wt% Tissuemat E,
10wt% linear low density polyethylene (LLDPE) powder, 20wt% low density polyethylene (LDPE) powder and the high density polyethylene (HDPE) powder of surplus
Granulate and obtain through plastic granulator.
The preparation method of the attapulgite for being loaded with herbicide is as follows：
By attapulgite at 500 DEG C thermal activation 4h, the attapulgite after thermal activation then is added into concentration is
50min is stirred at 55 DEG C in 50wt% silane coupler ethanol solution, attapulgite is dried after then filtering, obtained
To attapulgite modified, together mixed attapulgite modified with alachlor, Tea Saponin in water, then dry, be made
It is loaded with the attapulgite of herbicide.
The expelling parasite component is by the 25wt% nano silicon for being loaded with lignum cinnamomi camphorae essential oil, 1.5wt% polyethylene
The linear low density polyethylene (LLDPE) powder of wax, 15wt%, 25wt% low density polyethylene (LDPE) powder and the high density polyethylene (HDPE) of surplus
Powder is granulated and obtained through plastic granulator.
The preparation method of the nano silicon for being loaded with lignum cinnamomi camphorae essential oil is as follows：
Each material in expelling parasite component is weighed by proportioning, it is the silane coupled of 60wt% that nano silicon is added into concentration
30min is stirred in agent ethanol solution at 65 DEG C, nano silicon is dried after then filtering, modified Nano two is obtained
Silica, modified manometer silicon dioxide and lignum cinnamomi camphorae essential oil are mixed, the nano-silica for being loaded with lignum cinnamomi camphorae essential oil is made
SiClx, the wherein load capacity of lignum cinnamomi camphorae essential oil are 0.25g/g.
The material that the black functional agglomerate includes following parts by weight is made：56 parts of carbon blacks, 1.5 parts of 2,6- three-levels butyl-
4- methylphenols, 0.75 part of 4- benzoyloxy -2,2,6,6- tetramethyl piperidines, 1.15 parts of septichen phenyl esters, 4.25
Part linear low density polyethylene (LLDPE) powder, 22.5 parts of low density polyethylene (LDPE) powders, 7.5 parts of high density polyethylene (HDPE) powders, 2.25 parts are gathered
Ethylene waxes, 3 parts of lignin fibres, 3 parts of sodium carboxymethylcelluloses.
The preparation method of the black functional agglomerate is as follows：
Carbon black is weighed by proportioning, antioxidant, light stabilizer, ultra-violet absorber, linear low density polyethylene (LLDPE) powder is low close
Spend polyethylene powder, high density polyethylene (HDPE) powder, Tissuemat E, lignin fibre and sodium carboxymethylcellulose and carry out mixing and mix
Material, is then added in plastic granulator and is successively made black after plasticizing, filtering, extrusion, wire drawing, cooling, cutting, drying
Color functional agglomerate；The temperature control of plastic granulator is at 170-240 DEG C wherein described in extrusion.
Embodiment 2
A kind of ageing-resistant polyolefin anti-dropping film, including the material of following parts by weight are blow molded and obtained：
70 parts of polyolefin powder, 3 parts of microcrystalline wax, 3 parts of Tissuemat E, 5 parts of sodium carboxymethylcellulose, glycerol monostearate
4 parts of ester, 4 parts of weeding component, 4 parts of expelling parasite component, 7 parts of black functional agglomerate.
Wherein, the weeding component by the 30wt% attapulgite for being loaded with herbicide, 2wt% Tissuemat E,
5wt% linear low density polyethylene (LLDPE) powder, 15wt% low density polyethylene (LDPE) powder and the high density polyethylene (HDPE) powder of surplus
Granulate and obtain through plastic granulator.
The preparation method of the attapulgite for being loaded with herbicide is as follows：
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% silane coupler ethanol solution, attapulgite is dried after then filtering, obtained
To attapulgite modified, together mixed attapulgite modified with Acetochlor, Tea Saponin in water, then dry, be made
It is loaded with the attapulgite of herbicide.
The expelling parasite component by the 15wt% nano silicon for being loaded with lignum cinnamomi camphorae essential oil, 1wt% Tissuemat E,
10wt% linear low density polyethylene (LLDPE) powder, 20wt% low density polyethylene (LDPE) powder and the high density polyethylene (HDPE) powder of surplus
Granulate and obtain through plastic granulator.
The preparation method of the nano silicon for being loaded with lignum cinnamomi camphorae essential oil is as follows：
Each material in expelling parasite component is weighed by proportioning, it is the silane coupled of 60wt% that nano silicon is added into concentration
40min is stirred in agent ethanol solution at 60 DEG C, nano silicon is dried after then filtering, modified Nano two is obtained
Silica, modified manometer silicon dioxide and lignum cinnamomi camphorae essential oil are mixed, the nano-silica for being loaded with lignum cinnamomi camphorae essential oil is made
SiClx, the wherein load capacity of lignum cinnamomi camphorae essential oil are 0.2g/g.
The material that the black functional agglomerate includes following parts by weight is made：40 parts of carbon blacks, 2 parts pairs (3,5- three-level butyl-
4- hydroxy phenyls) thioether, 0.5 HMPA, 0.82,4- dihydroxy benaophenonel, 2.5 parts of linear low density polyethylene (LLDPE)s
Powder, 15 parts of low density polyethylene (LDPE) powders, 10 parts of high density polyethylene (HDPE) powders, 3 parts of Tissuemat Es, 4 parts of lignin fibres, 4 parts
Sodium carboxymethylcellulose.
The preparation method of the black functional agglomerate is as follows：
Carbon black is weighed by proportioning, antioxidant, light stabilizer, ultra-violet absorber, linear low density polyethylene (LLDPE) powder is low close
Spend polyethylene powder, high density polyethylene (HDPE) powder, Tissuemat E, lignin fibre and sodium carboxymethylcellulose and carry out mixing and mix
Material, is then added in plastic granulator and is successively made black after plasticizing, filtering, extrusion, wire drawing, cooling, cutting, drying
Color functional agglomerate；The temperature control of plastic granulator is at 130-200 DEG C wherein described in extrusion.
Embodiment 3
A kind of ageing-resistant polyolefin anti-dropping film, including the material of following parts by weight are blow molded and obtained：
80 parts of polyolefin powder, 2 parts of microcrystalline wax, 2 parts of Tissuemat E, 3 parts of sodium carboxymethylcellulose, polyglycerol fatty acid
2 parts of ester, 2 parts of weeding component, 2 parts of expelling parasite component, 3 parts of black functional agglomerate.
Wherein, the weeding component by the 50wt% attapulgite for being loaded with herbicide, 3wt% Tissuemat E,
15wt% linear low density polyethylene (LLDPE) powder, 25wt% low density polyethylene (LDPE) powder and the high density polyethylene (HDPE) powder of surplus
Granulate and obtain through plastic granulator.
The preparation method of the attapulgite for being loaded with herbicide is as follows：
By attapulgite at 500 DEG C thermal activation 5h, the attapulgite after thermal activation then is added into concentration is
40min is stirred at 60 DEG C in 50wt% silane coupler ethanol solution, attapulgite is dried after then filtering, obtained
To attapulgite modified, together mixed attapulgite modified with isoproturon, Tea Saponin in water, then dry, be made
It is loaded with the attapulgite of herbicide.
The expelling parasite component by the 35wt% nano silicon for being loaded with lignum cinnamomi camphorae essential oil, 2wt% Tissuemat E,
20wt% linear low density polyethylene (LLDPE) powder, 30wt% low density polyethylene (LDPE) powder and the high density polyethylene (HDPE) powder of surplus
Granulate and obtain through plastic granulator.
The preparation method of the nano silicon for being loaded with lignum cinnamomi camphorae essential oil is as follows：
Each material in expelling parasite component is weighed by proportioning, it is the silane coupled of 60wt% that nano silicon is added into concentration
20min is stirred in agent ethanol solution at 70 DEG C, nano silicon is dried after then filtering, modified Nano two is obtained
Silica, modified manometer silicon dioxide and lignum cinnamomi camphorae essential oil are mixed, the nano-silica for being loaded with lignum cinnamomi camphorae essential oil is made
SiClx, the wherein load capacity of lignum cinnamomi camphorae essential oil are 0.3g/g.
The material that the black functional agglomerate includes following parts by weight is made：70.7 parts of carbon blacks, 1 part of double Lauryl Alcohol esters, 1
The double ten four carbon alcohols esters of part, 1 part 2,4,6- tri- (2 ' n-butoxyphenyl) -1,3,5-triazines, 1.5 parts of 2- hydroxyl -4- methoxyl groups two
Benzophenone, 6 parts of linear low density polyethylene (LLDPE) powders, 15 parts of low density polyethylene (LDPE) powders, 5 parts of high density polyethylene (HDPE) powders, 1.5 parts
Tissuemat E, 2 parts of lignin fibres, 2 parts of sodium carboxymethylcelluloses.
The preparation method of the black functional agglomerate is as follows：
Carbon black is weighed by proportioning, antioxidant, light stabilizer, ultra-violet absorber, linear low density polyethylene (LLDPE) powder is low close
Spend polyethylene powder, high density polyethylene (HDPE) powder, Tissuemat E, lignin fibre and sodium carboxymethylcellulose and carry out mixing and mix
Material, is then added in plastic granulator and is successively made black after plasticizing, filtering, extrusion, wire drawing, cooling, cutting, drying
Color functional agglomerate；The temperature control of plastic granulator is at 200-280 DEG C wherein described in extrusion.
Embodiment 4
A kind of ageing-resistant polyolefin anti-dropping film, including the material of following parts by weight are blow molded and obtained：
72 parts of polyolefin powder, 2 parts of microcrystalline wax, 3 parts of Tissuemat E, 3 parts of sodium carboxymethylcellulose, glycerol monostearate
2 parts of ester, 3 parts of weeding component, 4 parts of expelling parasite component, 5 parts of black functional agglomerate.
Wherein, the weeding component by the 35wt% attapulgite for being loaded with herbicide, 2wt% Tissuemat E,
8wt% linear low density polyethylene (LLDPE) powder, 18wt% low density polyethylene (LDPE) powder and the high density polyethylene (HDPE) powder of surplus
Granulate and obtain through plastic granulator.
The preparation method of the attapulgite for being loaded with herbicide is as follows：
By attapulgite at 500 DEG C thermal activation 3.5h, the attapulgite after thermal activation then is added into concentration is
45min is stirred at 50 DEG C in 50wt% silane coupler ethanol solution, attapulgite is dried after then filtering, obtained
To attapulgite modified, together mix, then dry in water with alachlor, isoproturon or Tea Saponin by attapulgite modified
It is dry, the attapulgite for being loaded with herbicide is made.
The expelling parasite component by the 20wt% nano silicon for being loaded with lignum cinnamomi camphorae essential oil, 1wt% Tissuemat E,
18wt% linear low density polyethylene (LLDPE) powder, 22wt% low density polyethylene (LDPE) powder and the high density polyethylene (HDPE) powder of surplus
Granulate and obtain through plastic granulator.
The preparation method of the nano silicon for being loaded with lignum cinnamomi camphorae essential oil is as follows：
Each material in expelling parasite component is weighed by proportioning, it is the silane coupled of 60wt% that nano silicon is added into concentration
25min is stirred in agent ethanol solution at 65 DEG C, nano silicon is dried after then filtering, modified Nano two is obtained
Silica, modified manometer silicon dioxide and lignum cinnamomi camphorae essential oil are mixed, the nano-silica for being loaded with lignum cinnamomi camphorae essential oil is made
SiClx, the wherein load capacity of lignum cinnamomi camphorae essential oil are 0.2g/g.
The material that the black functional agglomerate includes following parts by weight is made：50 parts of carbon blacks, 1 part of 2,6- three-level butyl -4-
Methylphenol, 1 part of double octadecanol ester, 0.5 part of 4- benzoyloxy -2,2,6,6- tetramethyl piperidines, 0.5 part of hexamethyl phosphinylidyne
Triamine, 0.5 part of part septichen phenyl ester, 0.5 part of ESCALOL 567,4 parts of linear low density polyethylene (LLDPE)s
Powder, 25 parts of low density polyethylene (LDPE) powders, 5 parts of high density polyethylene (HDPE) powders, 2 parts of Tissuemat Es, 2 parts of lignin fibres, 2 parts of carboxylics
Sodium carboxymethylcellulose pyce.
The preparation method of the black functional agglomerate is as follows：
Carbon black is weighed by proportioning, antioxidant, light stabilizer, ultra-violet absorber, linear low density polyethylene (LLDPE) powder is low close
Spend polyethylene powder, high density polyethylene (HDPE) powder, Tissuemat E, lignin fibre and sodium carboxymethylcellulose and carry out mixing and mix
Material, is then added in plastic granulator and is successively made black after plasticizing, filtering, extrusion, wire drawing, cooling, cutting, drying
Color functional agglomerate；The temperature control of plastic granulator is at 160-220 DEG C wherein described in extrusion.
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 (2)
1. a kind of ageing-resistant polyolefin anti-dropping film, it is characterised in that the material including following parts by weight is blow molded and obtained：Polyolefin powder
70-80 parts of body, lubricant are 2-3 parts, dispersant is 2-3 parts, 2-4 parts of weeding component, 2-4 parts of expelling parasite component, drip agent 2-4
Part, 3-5 parts of adhesive, 3-7 parts of black functional agglomerate；
The lubricant is microcrystalline wax, and the dispersant is Tissuemat E, and described adhesive is sodium carboxymethylcellulose, described
Drip agent is polyglyceryl fatty acid ester or glycerin monostearate；
The expelling parasite component is by the 15-35wt% nano silicon for being loaded with lignum cinnamomi camphorae essential oil, 1-2wt% polyethylene
The linear low density polyethylene (LLDPE) powder of wax, 10-20wt%, 20-30wt% low density polyethylene (LDPE) powder and the high density of surplus
Polyethylene powder is granulated and obtained through plastic granulator；
The preparation method of the nano silicon for being loaded with lignum cinnamomi camphorae essential oil is as follows：Its each raw material is weighed by proportioning,
Nano silicon is added in the silane coupler ethanol solution that concentration is 60wt% and is stirred 20- at 60-70 DEG C
40min, then filter after nano silicon is dried, obtain modified manometer silicon dioxide, by modified manometer silicon dioxide with
Lignum cinnamomi camphorae essential oil is mixed, and the load capacity of the nano silicon, wherein lignum cinnamomi camphorae essential oil that are loaded with lignum cinnamomi camphorae essential oil is made
For 0.2-0.3g/g；
The weeding component by 30-50wt% the attapulgite for being loaded with herbicide, 2-3wt% Tissuemat E, 5-
15wt% linear low density polyethylene (LLDPE) powder, 15-25wt% low density polyethylene (LDPE) powder and the high density polyethylene (HDPE) of surplus
Powder is granulated and obtained through plastic granulator；The herbicide is one kind or many in alachlor, Acetochlor, isoproturon or Tea Saponin
Kind；
The preparation method of the attapulgite for being loaded with herbicide is as follows：
By attapulgite at 500 DEG C thermal activation 3-5h, the attapulgite after thermal activation is then added to concentration for 50wt%
Silane coupler ethanol solution in 40-60min is stirred at 50-60 DEG C, then filter after attapulgite is dried, obtain
To attapulgite modified, together mixed attapulgite modified with herbicide in water, then dry, be made and be loaded with removing
The attapulgite of careless agent；
The material that the black functional agglomerate includes following parts by weight is made：40-70.7 parts of carbon blacks, 1-2 parts of antioxidant, 0.5-1
Part light stabilizer, 0.8-1.5 parts of ultra-violet absorbers, 2.5-6 parts of linear low density polyethylene (LLDPE) powders, 15-30 parts of low-density are gathered
Ethene powder, 5-10 parts of high density polyethylene (HDPE) powders, 1.5-3 parts of Tissuemat Es, 2-4 parts of lignin fibres, 2-4 parts of carboxymethyls are fine
The plain sodium of dimension；
Light stabilizer in the black functional agglomerate is 4- benzoyloxys -2,2,6,6- tetramethyl piperidines, hexamethyl phosphinylidyne
One or more in triamine, 2,4,6- tri- (2 ' n-butoxyphenyl) -1,3,5-triazines；Ultra-violet absorber is o-hydroxy
One or more in phenyl formate, 2,4-DihydroxyBenzophenone, ESCALOL 567；Antioxidant is 2,
6- three-level butyl -4- methylphenols, double (3,5- three-level butyl -4- hydroxy phenyls) thioethers, double Lauryl Alcohol esters, double ten four carbon alcohols
One or more in ester, double octadecanol esters.
2. a kind of ageing-resistant polyolefin anti-dropping film as claimed in claim 1, it is characterised in that the system of the black functional agglomerate
Preparation Method is as follows：
Carbon black is weighed by proportioning, antioxidant, light stabilizer, ultra-violet absorber, linear low density polyethylene (LLDPE) powder, low-density is gathered
Ethene powder, high density polyethylene (HDPE) powder, Tissuemat E, lignin fibre and sodium carboxymethylcellulose simultaneously carry out mixing,
It is then added in plastic granulator and black is successively made after plasticizing, filtering, extrusion, wire drawing, cooling, cutting, drying
Functional agglomerate；The temperature control of plastic granulator is at 130-280 DEG C wherein described in extrusion.
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| CN117946507B (en) * | 2024-03-26 | 2024-06-18 | 青州市鲁冠塑料有限公司 | Preparation method of biodegradable weeding and warming mulch film |
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| CN102675724B (en) * | 2012-05-18 | 2013-09-04 | 天水天宝塑业有限责任公司 | Black functional mulch dedicated for fruit tree |
| CN102660073B (en) * | 2012-05-18 | 2013-10-09 | 天水天宝塑业有限责任公司 | Black functional mulching film special for potatoes |
| CN103113659B (en) * | 2013-03-07 | 2014-11-19 | 民勤县邦德贸易有限公司 | Environment-friendly type water-saving agricultural mulching film and preparation method for same |
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