CN104558798B - A kind of special red master batch of anti-aging light modulation of solanaceous vegetables canopy film and preparation method thereof - Google Patents
A kind of special red master batch of anti-aging light modulation of solanaceous vegetables canopy film and preparation method thereof Download PDFInfo
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Abstract
The present invention is belonging to Material Field, specifically related to a kind of special red master batch of anti-aging light modulation of solanaceous vegetables canopy film and preparation method thereof, anti-aging light modulation Masterbatch uses the special red pigment chosen, and light stabilizer and antioxidant are carried on sustained release agent, and with vector resin as matrix, obtain a kind of specifically designed for the special red master batch of anti-aging light modulation of solanaceous vegetables canopy film, the special canopy film for adding master batch preparation is difficult to fade, long service life, transmitted spectrum blood orange light and far-red light increase, light transmittance is moderate, solanaceous vegetables nutritional quality can be significantly improved.
Description
Technical field
The invention belongs to Material Field, and in particular to a kind of plastic master batch, particularly a kind of solanaceous vegetables canopy film is special
The red master batch of anti-aging light modulation.
Background technology
Plant lycopene and anthocyanidin are natural function pigment, safe and nontoxic, have strong anti-oxidation ability, to prevention
Cancer and cardiovascular and cerebrovascular disease, improve body immunity, and anti-aging has remarkable efficacy, in medicines and health protection, food additives, change
The fields such as cosmetic, food coloring have a extensive future.
Lycopene is primarily present in the crops such as tomato, tomato in addition to for making catsup and tomato juice, wherein
Lycopene be also widely used as the industries such as food additives, medical material and superior cosmetics.In recent years, rich in anthocyanidin
Blueberry is subject to food, health products trade to favor, and market at prices is high, and supply falls short of demand, and anthocyanidin is also rich in eggplant pericarp.
In addition, it has been recognized that the fruit and vegetable taste for planting out in facility, always not as the mouthfeel wind for planting out on open country
Taste is good, and its main cause is amylase, neutral invertase, the acid invertase contained in fruit when fruit is gradually ripe,
It is UV light-induced lower by more Starch Conversion saccharogenesis or acid in fruit, allow fruit more local flavor.And the fruit in facility is not
It is sweet not sour, just because lacking the ultraviolet light for promoting various active enzymatic conversions in fruit in the light quality passed through in facility.
There are some researches show, change light quality composition, improve red light ratio, can meet solanaceous vegetables grow it is right
The demand of light, enhancing development improves functional pigment content in product organ.Therefore, can be changed by different type canopy film
Into the light quality composition inside facility, and then improve the functional pigment content in product.
But, canopy film is directly produced as auxiliary agent with common red color masterbatch, have the following disadvantages：One is color masterbatch in high light
It is lower easily to decompose, cause canopy film to be faded fast；Two is that to form influence on solanaceous vegetables functional pigment also different for the different colourities of color,
The simple increase and decrease using red Masterbatch addition cannot meet solanaceous vegetables functional pigment and be formed and active enzymatic conversion pair
The demand of light quality is transmitted, and Masterbatch can cause quality variation or the underproduction from improper；Three be extension canopy film service life,
After common red master batch is added in processing technology, it is necessary to add anti-aging master batch in addition, due to component compatibility, often
Canopy film strength can be caused to decline, while weatherability can also decrease, and then cause solanaceous vegetables to produce by serious shadow
Ring.
The content of the invention
Many weak points that the present invention exists for existing Masterbatch, there is provided a kind of solanaceous vegetables canopy film is special anti-
Aging red master batch of light modulation and preparation method thereof, anti-aging light modulation Masterbatch using the special red pigment chosen, and by light
Stabilizer and antioxidant are carried on sustained release agent, and with vector resin as matrix, obtain one kind specifically designed for solanaceous vegetables vegetable
The special red master batch of anti-aging light modulation of dish canopy film, the special canopy film for adding master batch preparation is difficult colour fading, long service life, transmission
Spectrum blood orange light and far-red light increase, light transmittance is moderate, are conducive to solanaceous vegetables to grow, its fruit functional pigment and can
Dissolubility sugared content is significantly improved, and can significantly improve solanaceous vegetables nutritional quality.
Concrete technical scheme of the invention is：
A kind of special red master batch of anti-aging light modulation of solanaceous vegetables canopy film, its component is calculated as by weight：
Vector resin 70-80 parts, red pigment 10-20 parts, dispersant 5-15 parts, sustained release agent 0.5-2 parts, light stabilizer
0.2-3 parts, antioxidant 0.2-1.5 parts；
Wherein described vector resin is one or more in LLDPE, LDPE, mLLDPE, EVA；
Described red pigment is the mixture of organic red pigment and composite inorganic red；
Described sustained release agent is one or more in montmorillonite, vermiculite, diatomite, houghite；
Described dispersant is one or more in stearic acid, zinc stearate, Tissuemat E, EVA waxes.
Described antioxidant is complex type antioxidant B215 or antioxidantIn one kind or two
Kind；
Described light stabilizer is composite light stabilizer HS-362 or light stabilizerIn one kind or
Two kinds；
Further described organic red pigment is azo or quinacridine ketone or benzimidazole ketone or pyrrolo-
Pyrrole-dione；
Described composite inorganic red is selected from environmentally friendly cadmium red P.R.108, transparent iron oxide red L2715D and cerium sulphide
Two or three in LANTHANUM any compares mixture；
Above-mentioned composite inorganic red is 1/5-1/2 with the weight ratio of organic red pigment.
Why above-mentioned compositional selecting is used, main reason is that：
LLDPE, LDPE, mLLDPE and EVA that matrix resin is selected are the common used material of canopy film, are not only suitable for individual layer polyene
Hydro carbons film, also is adapted for many material multilayer coextruded films of TPO, with preferable compatibility, selects above-mentioned matrix resin former
Material is easy to get and cost is relatively low, can be used in mixed way with existing various canopy films.
Organic red pigment and composite inorganic red are weatherability pigment higher, intense light irradiation ring in selected pigment
Not fugitive color under border；In addition, organic red pigment is compounded with composite inorganic red according to aforementioned proportion, solanaceous vegetables can be reached
Demand of the vegetable growth to light quality so that the transmitted spectrum of canopy film changes, improves the ultraviolet light of canopy film within the specific limits
With blood orange light transmission, functional pigment content in solanaceous vegetables is remarkably improved, and increase the taste flavor of solanaceous vegetables.
Another feature of the invention is exactly to have selected montmorillonite, vermiculite, diatomite or houghite as sustained release
Agent, above-mentioned substance is stratiform or hollow multi-cellular structure, preferred light stabilizer and antioxidant can be loaded wherein it is possible to
Effectively delay the aging of canopy film so that canopy film can be repeatedly used.
Composite inorganic red is 1/5-1/2 with the weight ratio of organic red pigment, and sustained release agent consumption is in the total materials of master batch
No more than 2 parts, if exceeding this scope, light intensity and blood orange light, the transmittivity of ultraviolet light can be influenceed, and finally influence solanaceous vegetables vegetable
The photosynthetic rate and organized enzyme conversion ratio of dish, reduce yield, influence quality.
Additionally, present invention also offers the preparation method of above-mentioned canopy film master batch, comprising the following steps that：
Step one：First by antioxidant, light stabilizer, sustained release agent dispensing in proportion, it is placed in stirring container, with organic
Solvent mixes, and after agitator is stirred with the rotating speed of 30-70r/min, the heating stirring 5-15min at 30-60 DEG C must mix
Raw material；
Step 2：By in vector resin, pigment, dispersant and mixed material described in step one addition high-speed mixer
Mixing 15-30min, rotating speed is 600-650r/min, or 20-40min is kneaded in banbury, and mixing temperature is 150-200 DEG C,
Obtain compound；
Step 3：Compound in step 2 is carried out into melt blending granulation, each area's temperature of screw rod using double screw extruder
It is 170-200 DEG C to spend, and screw speed is 80-300r/min, is drying to obtain the special anti-aging light modulation of solanaceous vegetables canopy film red
Master batch.
Organic solvent is acetone or hexamethylene or methyl alcohol or ethanol wherein described in step one, and the consumption of organic solvent is to make
Light stabilizer and antioxidant are completely dissolved and are defined.
Using above-mentioned preparation method, it is possible to use sustained release agent stratiform or hollow multi-cellular structure, by preferred light stabilization
Agent and antioxidant load are wherein it is possible to effectively delay the aging of canopy film so that canopy film can be repeatedly used.Just add afterwards
Enter the materials such as vector resin to be mixed so that the interaction of various storerooms is even closer, the final master batch performance for obtaining
More preferably.
In sum, using provided by the present invention this red specifically designed for the special anti-aging light modulation of solanaceous vegetables canopy film
Masterbatch, with advantages below：
1) canopy film that the red master batch of special anti-aging light modulation of present invention production is produced after mixing with vector resin, with saturating
The characteristics of penetrating ultraviolet light and the increase of blood orange light, moderate light transmittance, good weatherability in spectrum, functional period disclosure satisfy that solanaceous vegetables
The demand grown, service life is more long, overcome red master batch in the prior art be applied to canopy film presence colourity difference it is big,
The problems such as regulation of light quality hardly possible, fugitive color, weatherability difference；
2) canopy film for adding product of the present invention to be produced cultivates solanaceous vegetables, is remarkably improved its functional pigment and solvable
Property sugared content, improving quality；
3) master batch of the invention, stable performance, are gathered multi -function in integral whole, and canopy film vector resin mechanical strength is influenceed
It is low；
4) agglomerate preparation method of the invention is simple and practical, and application prospect is extensive.
Brief description of the drawings
Fig. 1 is the change block diagram of lycopene (A) and soluble sugar (B) content in tamato fruit under different disposal；
Fig. 2 is the change block diagram of eggplant pericarp anthocyanidin (A) and pulp soluble sugar (B) content under different disposal.
Specific embodiment
Embodiment 1
A kind of special red master batch of anti-aging light modulation of solanaceous vegetables canopy film, its component composition is as follows：
LLDPE powders 20kg, organic red pyrrolo-pyrrole-dione pigment PR254 2.5kg, environmentally friendly cadmium red P.R.108
0.5kg, transparent iron oxide red L2715D 0.5kg, montmorillonite 0.15kg, zinc stearate 0.5kg, Tissuemat E 1kg, light stabilization
Agent HS-362 0.2kg, antioxidant B215 0.1kg；
Its preparation method is comprised the following steps：
Step one：First by antioxidant, light stabilizer, sustained release agent dispensing in proportion, it is placed in stirring container, with organic
Solvent mixes, and after agitator is stirred with the rotating speed of 30r/min, heating stirring 15min, obtains mixed material at 30 DEG C；
Step 2：By in vector resin, pigment, dispersant and mixed material described in step one addition high-speed mixer
Mixing 15-30min, rotating speed is 610r/min, or 20-40min is kneaded in banbury, and mixing temperature is 150-200 DEG C, obtains mixed
Close material；
Step 3：Compound in step 2 is carried out into melt blending granulation, each area's temperature of screw rod using double screw extruder
It is 170-200 DEG C to spend, and screw speed is 80-300r/min, is drying to obtain the special anti-aging light modulation of solanaceous vegetables canopy film red
Master batch.
Organic solvent described in above-mentioned steps one is hexamethylene, and its consumption is to make light stabilizer HS-362, antioxidant
B215 is completely dissolved and is defined, after the special red master batch of anti-aging light modulation of solanaceous vegetables canopy film prepares completion, organic solvent
Hexamethylene volatilizees completely.
Embodiment 2
A kind of special red master batch of anti-aging light modulation of solanaceous vegetables canopy film, its component composition is as follows：
EVA 20kg, organic red quinacridone pigment PR122 1.5kg, the organic red AZOpigments BBS of resistance to turn to red because of sun burn 1.5kg,
Environmentally friendly cadmium red P.R.108 0.3kg, transparent iron oxide red L2715D 0.5kg, cerium sulphide LANTHANUM 0.2kg, EVA waxes
0.5kg, zinc stearate 0.5kg, Tissuemat E 1kg, diatomite 0.5kg, light stabilizer0.25kg, antioxygen
Agent0.1kg；
Its preparation method is comprised the following steps：
Step one：First by antioxidant, light stabilizer, sustained release agent dispensing in proportion, it is placed in stirring container, with organic
Solvent mixes, and after agitator is stirred with the rotating speed of 30r/min, heating stirring 15min, obtains mixed material at 30 DEG C；
Step 2：By in vector resin, pigment, dispersant and mixed material described in step one addition high-speed mixer
Mixing 15-30min, rotating speed is 610r/min, or 20-40min is kneaded in banbury, and mixing temperature is 150-200 DEG C, obtains mixed
Close material；
Step 3：Compound in step 2 is carried out into melt blending granulation, each area's temperature of screw rod using double screw extruder
It is 170-200 DEG C to spend, and screw speed is 80-300r/min, is drying to obtain the special anti-aging light modulation of solanaceous vegetables canopy film red
Master batch.
Organic solvent described in above-mentioned steps one is ethanol, and its consumption is to make light stabilizerAntioxygen
AgentIt is completely dissolved, when the special red master batch of anti-aging light modulation of solanaceous vegetables canopy film prepares completion
Afterwards, organic solvent ethanol volatilizees completely.
Embodiment 3
A kind of special red master batch of anti-aging light modulation of solanaceous vegetables canopy film, its component composition is as follows：
LLDPE 15kg, EVA 5kg, organic red pyrrolo-pyrrole-dione pigment PR254 2.0kg, it is transparent iron oxide red
L2715D 0.2kg, cerium sulphide LANTHANUM 0.3kg, vermiculite 0.15kg, stearic acid 0.5kg, EVA wax 0.5kg, Tissuemat E
1kg, light stabilizer0.3kg, antioxidant0.1kg。
Its preparation method is comprised the following steps：
Step one：First by antioxidant, light stabilizer, sustained release agent dispensing in proportion, it is placed in stirring container, with organic
Solvent mixes, and after agitator is stirred with the rotating speed of 30r/min, heating stirring 15min, obtains mixed material at 30 DEG C；
Step 2：By in vector resin, pigment, dispersant and mixed material described in step one addition high-speed mixer
Mixing 15-30min, rotating speed is 610r/min, or 20-40min is kneaded in banbury, and mixing temperature is 150-200 DEG C, obtains mixed
Close material；
Step 3：Compound in step 2 is carried out into melt blending granulation, each area's temperature of screw rod using double screw extruder
It is 170-200 DEG C to spend, and screw speed is 80-300r/min, is drying to obtain the special anti-aging light modulation of solanaceous vegetables canopy film red
Master batch.
Organic solvent described in above-mentioned steps one is ethanol, and its consumption is to make light stabilizerAntioxygen
AgentIt is completely dissolved, when the special red master batch of anti-aging light modulation of solanaceous vegetables canopy film prepares completion
Afterwards, organic solvent ethanol volatilizees completely.
Embodiment 4
A kind of special red master batch of anti-aging light modulation of solanaceous vegetables canopy film, its component composition is as follows：
LLDPE 15kg, LDPE 5kg, EVA 5kg, the organic red AZOpigments BBS of resistance to turn to red because of sun burn 2.0kg, organic red benzo
Imidazolone pigment PR208 0.4kg, organic red red 0.5kg of quinacridone pigment phthalocyanine, environmentally friendly cadmium red P.R.108 0.3kg, sulphur
Change cerium LANTHANUM 0.4kg, stearic acid 0.2kg, EVA wax 0.5kg, Tissuemat E 1kg, houghite 0.16kg, light stabilization
Agent0.2kg, light stabilizer HS-362 0.1kg, antioxidant0.1kg, resists
Oxygen agent B215 0.15kg；
Its preparation method is comprised the following steps：
Step one：First by antioxidant, light stabilizer, sustained release agent dispensing in proportion, it is placed in stirring container, with organic
Solvent mixes, and after agitator is stirred with the rotating speed of 30r/min, heating stirring 15min, obtains mixed material at 30 DEG C；
Step 2：By in vector resin, pigment, dispersant and mixed material described in step one addition high-speed mixer
Mixing 15-30min, rotating speed is 610r/min, or 20-40min is kneaded in banbury, and mixing temperature is 150-200 DEG C, obtains mixed
Close material；
Step 3：Compound in step 2 is carried out into melt blending granulation, each area's temperature of screw rod using double screw extruder
It is 170-200 DEG C to spend, and screw speed is 80-300r/min, is drying to obtain the special anti-aging light modulation of solanaceous vegetables canopy film red
Master batch.
Organic solvent described in above-mentioned steps one is methyl alcohol and acetone, and its consumption is to make light stabilizer HS-362, antioxidantB215 is completely dissolved, when the special anti-aging light modulation of solanaceous vegetables canopy film
Red master batch is prepared after completing, and organic solvent methyl alcohol and acetone volatilize completely.
Experimental example
The special red master batch of anti-aging light modulation of solanaceous vegetables canopy film prepared by embodiment 1,2 is applied to polyethylene green house film
Production process in, wherein hundred parts of ratios of weight in described polyethylene green house film are LLDPE 75%, LDPE 21%, surplus
4% is master batch of the present invention or LDPE.
Above-mentioned component material is placed in 15min is stirred in high-speed mixer, after uniformly mixing, by twin-screw extrusion
Granulation, by compound be placed in extrusion inflation film manufacturing machine hopper in, extrusion-blown modling into uniform tubular film (film thickness is 0.08mm),
Cut, bundling is made film, is respectively labeled as：Implement film 1, implement film 2.It is not added with what the special master batch of canopy film of the present invention was made
Film, is labeled as：Colorless film.
To make light strongly consistent, covering adjustment is carried out from colourless gauze, light intensity error is no more than 5%.After buckling well shed,
In the fine day morning using the Unispec TM spectroscopic analysis systems for originating from the U.S., through light in each shed after measure analysis covering
Spectral composition, measure wave band is 300-1100nm.Its application effect is as shown in table 1 below：
Influence to solanaceous vegetables functional pigment and soluble sugar content is as shown in Figure 1-2：
As shown in Figure 1, compared with colorless film, lycopene content increases respectively under implementing film 1 and implementing the covering of film 2
10.9% and 25.0%；Soluble sugar content increases by 13.0% and 16.4%, significant difference respectively；
Shown in Fig. 2, compared with colorless film, implement film 1 and implement under the covering of film 2, eggplant pericarp anthocyanidin content increases respectively
Plus 16.3% and 9.8%；Pulp soluble sugar content increases by 16.2% and 13.5%, significant difference respectively；
It can be seen that the special canopy film for adding master batch preparation is difficult colour fading, long service life, transmitted spectrum blood orange light is red with remote
Light increases, light transmittance is moderate, is conducive to solanaceous vegetables to grow, and its fruit functional pigment and soluble sugar content are significantly carried
Height, can significantly improve solanaceous vegetables nutritional quality.
Claims (3)
1. the special anti-aging of a kind of solanaceous vegetables canopy film dims red master batch, it is characterised in that：Its key component is by weight
It is calculated as：
Vector resin 70-80 parts, red pigment 10-20 parts, dispersant 5-15 parts, sustained release agent 0.5-2 parts, light stabilizer 0.2-3
Part, antioxidant 0.2-1.5 parts；
Wherein described vector resin is one or more in LLDPE, LDPE, mLLDPE, EVA；
Described sustained release agent is one or more in montmorillonite, vermiculite, diatomite, houghite；
Described dispersant is one or more in stearic acid, zinc stearate, Tissuemat E, EVA waxes；
Described antioxidant is complex type antioxidant B215 or antioxidantIn one or two；
Described light stabilizer is composite light stabilizer HS-362 or light stabilizerIn one or two；
Described red pigment is the mixture of organic red pigment and composite inorganic red；
Described organic red pigment is azo or quinacridine ketone or benzimidazole ketone or dione pyrrolo-pyrrole；
Described composite inorganic red is selected from environmentally friendly cadmium red P.R.108, transparent iron oxide red L2715D and cerium sulphide
Two or three in LANTHANUM any compares mixture；
Above-mentioned composite inorganic red is 1/5-1/2 with the weight ratio of organic red pigment.
2. the special anti-aging of solanaceous vegetables canopy film described in claim 1 dims the preparation method of red master batch, its specific steps
It is as follows：
Step one：Antioxidant, light stabilizer are completely dissolved with organic solvent in proportion first, with sustained release agent in proportion afterwards
Dispensing mixes, and is placed in stirring container, after agitator is stirred with the rotating speed of 30~70r/min, at a temperature of 30~60 DEG C
5~15min of stirring, obtains mixed material；
Step 2：Vector resin, red pigment, dispersant are added with the mixed material of acquisition in step one in proportion mixed at a high speed
Mix 15-30min in conjunction machine, rotating speed is 600-650r/min, or 20-40min is kneaded in banbury, mixing temperature is 150-
200 DEG C, obtain compound；
Step 3：Compound in step 2 is carried out into melt blending granulation using double screw extruder, each area's temperature of screw rod is
170-200 DEG C, screw speed is 80-300r/min, and granulating and drying obtains final product target master batch.
3. preparation method according to claim 2, it is characterised in that：Organic solvent described in step one is acetone or hexamethylene
Alkane or methyl alcohol or ethanol, the consumption of organic solvent are defined to be completely dissolved light stabilizer and antioxidant.
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| CN105419039B (en) * | 2015-12-23 | 2017-09-15 | 民勤县邦德贸易有限公司 | A kind of red mulch film |
| CN107828169A (en) * | 2017-11-20 | 2018-03-23 | 安徽华美新材料科技有限公司 | A kind of formula and its production technology of the general plastic cement color masterbatch of high power capacity |
| CN108976555A (en) * | 2018-07-02 | 2018-12-11 | 湖北绿城体育产业有限公司 | A kind of chinampa masterbatch and the method using the masterbatch making artificial grass silk |
| CN111996198B (en) * | 2020-08-26 | 2022-06-24 | 山东农业大学 | Anthocyanin regulatory gene SmbHLH1 in eggplant stem and application thereof |
| CN112962162A (en) * | 2021-02-09 | 2021-06-15 | 上海大学 | Agricultural red sunshade net and preparation method thereof |
| CN114196116B (en) * | 2021-12-30 | 2023-08-11 | 江苏金发科技新材料有限公司 | High-weather-resistance heat-resistance polypropylene material and preparation method thereof |
| CN114656687B (en) * | 2022-03-30 | 2023-08-29 | 金发科技股份有限公司 | Colorant, colored ABS resin, and preparation method and application thereof |
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| CN103125308A (en) * | 2013-03-19 | 2013-06-05 | 山东农业大学 | Agricultural greenhouse film for strengthening light conversion effects |
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