CN109836784A - A kind of modified plastics and preparation method thereof for water drinks bottle - Google Patents
A kind of modified plastics and preparation method thereof for water drinks bottle Download PDFInfo
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- CN109836784A CN109836784A CN201910068691.1A CN201910068691A CN109836784A CN 109836784 A CN109836784 A CN 109836784A CN 201910068691 A CN201910068691 A CN 201910068691A CN 109836784 A CN109836784 A CN 109836784A
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- modified plastics
- chitosan
- stearate
- water
- water drinks
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Abstract
The modified plastics and preparation method thereof that the invention discloses a kind of for water drinks bottle.The present invention, which uses, has permanent electric polarity, emitting far-infrared tourmaline, so that macromolecular water body is resolved into the small molecule water body for containing only several hydrones, realizes the activation of water.It is employed as natural polymer chitosan and tourmaline joint antibacterial of the food additives with foodsafety, inhibits the growth and breeding of fungi, bacterium and virus in water.The stearate of food additives is employed as the surface modifier of tourmaline and chitosan, dispersing agent, lubricant, it is possible to reduce use other insalubrious plastic processing additives.
Description
Technical field
The invention belongs to polymeric material fields, and in particular to a kind of modified plastics and its preparation side for water drinks bottle
Method.
Background technique
Commercially available mineral water bottle or drinking water barrel are usually by polyethylene terephthalate (PET), polyethylene (PE), gather
The materials such as propylene (PP), polycarbonate (PC) are made.Bacterium and nitrite in water is as resting period increase is without stopping pregnancy
Raw, absorption of human body excessive nitrite salt will affect the running of red blood cell.With storage, hydrone is due to hydrogen bond action association group
Poly-, the water activity of the big water clusters being associated with by several hydrones by hydrogen bond action, this macromolecular mass is low, is unfavorable for
The health of human body.
Tourmaline is a kind of not only with permanent electric polarity, but also has emitting far-infrared mineral material.Its permanent electrode
Property make tourmaline surface in the range of tens microns of thickness exist up to 107V/m electric field strength, thus it is possible to vary water cluster
Dynamic hydrogen bond network system resolve into the water of macromolecular mass by weakening or cutting off the hydrogen bond between hydrone and contain only
The small-micelle water of several hydrones realizes reactivating for water.Electric field is electrolysed hydrone simultaneously, makes water that alkalescent be presented,
To improve the interfacial activity of water, enhance the penetration and dissolving power of water.The bond energy of hydrogen bond is 29~42kJ/ between hydrone
Mol is equivalent to 2.7~4.1 μm of infrared region of photon energy.Launch wavelength is 4~14 μm to tourmaline at normal temperature, emissivity exists
0.90 or more far infrared, when infrared ray acts on water, the wavelength of infrared ray and the absorbing wavelength of water are corresponding, generate altogether
Vibration absorbs, and hydrogen bond action weakens, and water molecule cluster is made to become smaller and be activated.
It is usually blending method in plastics that packing material, which is added to, in production, and inorganic filler needs before mixing with plastic basis material
It is surface-treated, common processing method has addition silane coupling agent, titanate coupling agent and aluminate coupling agent to make filler
There is strong interaction between plastic basis material, but coupling agent is general toxic or can react generation toxic products in coupling.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of modified plastics for water drinks bottle and its preparations
Method.
The technical solution used in the present invention is:
A kind of modified plastics for water drinks bottle, which is characterized in that by weight, including following components:
Preferably, the plastic components are in polyethylene terephthalate, polyethylene, polypropylene or polycarbonate
One or more combinations.
Preferably, the partial size of the tourmaline powder is micron-sized, and the partial size of particle is 0.5~4 micron.
Preferably, the stearate be zinc stearate, copper stearate, calcium stearate, magnesium stearate, odium stearate,
One or two kinds of combinations of potassium stearate.
Preferably, the modification of chitosan be carboxymethyl chitosan, carboxyetbyl chitosan, sodium carboxymethylethyl chitosan or
One of carboxylic butyl chitosan or multiple combinations.
Preferably, the phenolic antioxidant is the phenolic antioxidant that can be used for food grade plastic, LD50 > 5g/kg.
It is further preferred that the phenolic antioxidant is antioxidant AO-3, AO-4, AO-14, AO-15, AO-43, AO-
One of 46 or multiple combinations.
Preferably, the light stabilizer is the light stabilizer that can be used for food grade plastic, LD50 > 5g/kg.
It is further preferred that the light stabilizer is that benzotriazole light stabilizer UVA-2 or benzophenone light are steady
Determine agent UVA-3.
A kind of preparation method of the modified plastics for water drinks bottle, which comprises the following steps: by plastics at
Point, tourmaline powder, chitosan, modification of chitosan, stearate, phenolic antioxidant, light stabilizer in blender, stir evenly
After be transported in double screw extruder, extruding pelletization to get.
In the present invention, the preferred polyethylene terephthalate of plastic components (PET)；The preferred calcium stearate of stearate.
Preparation method of the present invention, preferably mixing time are 20~40min, further preferred 30min；The revolving speed of blender is
80~120 revs/min, preferably 100 revs/min；The processing temperature of double screw extruder is 150~280 DEG C.
In the present invention, due to the presence of tourmaline " natural electrode ", active hydroxyl groups anion is generated.Hydroxyl group anion can be broken
Amino in bad microorganism (based on bacterium), make microorganism in water body, bacterium, virus protein coagulating, to restrain micro- life
The growth of object.Chitosan can inhibit the growth and breeding of fungi, bacterium and virus.Preservative used in most of food is benzene first
Acid and its sodium salt, but under the same conditions, chitosan fungistatic effect is more significant.Chitosan is by as thickener, fruit glaze agent column
Enter national food additive, illustrates that its is without any side effects with foodsafety.The present invention is stearic using surfactant
Surface treating agent of the hydrochlorate as fillers such as tourmaline, destroys and inorganic filler is prevented to reunite, it is made more evenly to be distributed to plastics
In substrate；So that filler surface is become lipophilic by hydrophily, improve affinity, the compatibility of filler and plastic basis material, enhancing is filled out
Binding force between material and plastic basis material interface.Metallic stearates are used in one kind in many products with multiple functions
Additive is used as lubricant, antiplastering aid, glidant, and common stearate is also food additives.
The beneficial effects of the present invention are:
(1) present invention decomposes macromolecular water body using the tourmaline for having permanent electric polarity and can be emitting far-infrared
At the small molecule water body for containing only several hydrones, the activation of water is realized.Hydrone can be electrolysed simultaneously, make water that weak base be presented
Property, to improve the interfacial activity of water, enhance the penetration and dissolving power of water.
(2) present invention is employed as food additives, natural polymer chitosan and tourmaline with foodsafety
Joint antibacterial inhibits the growth and breeding of fungi, bacterium and virus in water.
(3) present invention be employed as the stearate of food additives as the surface modifier of tourmaline and chitosan,
Dispersing agent, lubricant, it is possible to reduce use other insalubrious plastic processing additives.
Specific embodiment
The present invention will be further described combined with specific embodiments below, but the present invention is not limited to specific embodiments.It is real
Apply the partial size of tourmaline powder used in example be it is micron-sized, the partial size of particle is 0.5~4 micron；Phenolic antioxidant is available
In the phenolic antioxidant of food grade plastic, LD50 > 5g/kg；Light stabilizer is the light stabilizer that can be used for food grade plastic, LD50
>5g/kg。
Embodiment 1
It is prepared by the modified plastics for water drinks bottle:
Raw material:
Preparation step: by above-mentioned polyethylene terephthalate (PET), tourmaline powder, carboxymethyl chitosan and tristearin
Sour calcium, phenolic antioxidant AO-46, benzotriazole light stabilizer UVA-2 are placed in blender, are stirred 30 minutes, blender
Revolving speed is 100 revs/min；Be transported in double screw extruder again, extruding pelletization to get.Wherein control extrusion temperature 240~
280 DEG C, screw speed 55r/min.
Embodiment 2
It is prepared by the modified plastics for water drinks bottle:
Raw material:
Preparation step: by above-mentioned polyethylene (PE), tourmaline powder, chitosan, carboxyetbyl chitosan, zinc stearate, phenols
Antioxidant AO-3, benzophenone light stabilizer UVA-3 are placed in blender, are stirred 20 minutes, and the revolving speed of blender is 80 turns/
Minute, then be transported in double screw extruder, extruding pelletization to get.150~250 DEG C of extrusion temperature are wherein controlled, screw speed
For 15r/min.
Embodiment 3
It is prepared by the modified plastics for water drinks bottle:
Raw material:
Preparation step: by above-mentioned polypropylene (PP), tourmaline powder, chitosan, sodium carboxymethylethyl chitosan, magnesium stearate,
Phenolic antioxidant AO-4, benzotriazole light stabilizer UVA-2 are placed in blender, are stirred 40 minutes, and the revolving speed of blender is
120 revs/min, then be transported in double screw extruder, extruding pelletization to get.150~230 DEG C of extrusion temperature are wherein controlled, spiral shell
Bar revolving speed is 35r/min.
Embodiment 4
It is prepared by the modified plastics for water drinks bottle:
Raw material:
By above-mentioned polycarbonate (PC), tourmaline powder, chitosan, carboxylic butyl chitosan, potassium stearate, phenolic antioxidant
AO-43, benzophenone light stabilizer UVA-3 are placed in blender, are stirred 30 minutes, the revolving speed of blender is 110 revs/min
Clock, then be transported in double screw extruder, extruding pelletization to get.220~280 DEG C of extrusion temperature are wherein controlled, screw speed is
50r/min。
Embodiment 5
It is prepared by the modified plastics for water drinks bottle:
Raw material:
Preparation step: above-mentioned polypropylene (PP), tourmaline powder, chitosan, sodium carboxymethylethyl chitosan, carboxylic butyl shell is poly-
Sugar, magnesium stearate, copper stearate, phenolic antioxidant AO-4, benzotriazole light stabilizer UVA-2 are placed in blender, stirring
40 minutes, the revolving speed of blender was 90 revs/min, then is transported in double screw extruder, extruding pelletization to get.Wherein control
150~230 DEG C of extrusion temperature, screw speed 35r/min.
Embodiment 6
It is prepared by the modified plastics for water drinks bottle:
Raw material:
By above-mentioned polycarbonate (PC), polypropylene (PP), tourmaline powder, chitosan, carboxylic butyl chitosan, odium stearate,
Phenolic antioxidant AO-15, phenolic antioxidant AO-14, benzophenone light stabilizer UVA-3 are placed in blender, stir 30 points
Clock, the revolving speed of blender is 80 revs/min, then is transported in double screw extruder, extruding pelletization to get.Wherein control squeezes out
220~280 DEG C of temperature, screw speed 50r/min.
Performance test
The modified plastics according to National Standard of the People's Republic of China GB/T 20944.3-2008 prepared by Examples 1 to 6
Anti-microbial property test is carried out, strain: Escherichia coli (Gram-negative bacteria), staphylococcus aureus (Gram-positive is tested
Bacterium).
1 Examples 1 to 6 modified plastics anti-microbial property test result of table
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 |
| Escherichia coli antibiotic rate/% | 98.76 | 91.10 | 90.82 | 94.45 | 91.45 | 95.06 |
| Staphylococcus aureus antibiotic rate/% | 99.68 | 93.24 | 92.25 | 96.43 | 94.86 | 97.23 |
Table 1 can be seen that the anti-microbial property of 6 embodiments is excellent, and antibiotic rate is bigger, and anti-microbial property effect is more significant.
Above is only a specific embodiment of the present invention, it is not intended to limit the scope of the invention, all utilizations
The equivalent transformation that the present invention makees, is applied directly or indirectly in other relevant technical fields, similarly includes of the invention
Among scope of patent protection.
Claims (10)
1. a kind of modified plastics for water drinks bottle, which is characterized in that by weight, including following components:
2. a kind of modified plastics for water drinks bottle according to claim 1, which is characterized in that the plastic components
It is one of polyethylene terephthalate, polyethylene, polypropylene or polycarbonate or multiple combinations.
3. a kind of modified plastics for beverage bottle according to claim 1, which is characterized in that the tourmaline powder
Partial size be it is micron-sized, the partial size of particle is 0.5~4 micron.
4. a kind of modified plastics for water drinks bottle according to claim 1, which is characterized in that the stearate
It is one or two kinds of combinations of zinc stearate, copper stearate, calcium stearate, magnesium stearate, odium stearate, potassium stearate.
5. a kind of modified plastics for water drinks bottle according to claim 1, which is characterized in that the modification shell is poly-
Sugar is one of carboxymethyl chitosan, carboxyetbyl chitosan, sodium carboxymethylethyl chitosan or carboxylic butyl chitosan or a variety of groups
It closes.
6. a kind of modified plastics for water drinks bottle according to claim 1, which is characterized in that the phenols antioxygen
Agent is the phenolic antioxidant that can be used for food grade plastic, LD50 > 5g/kg.
7. a kind of modified plastics for water drinks bottle according to claim 6, which is characterized in that the phenols antioxygen
Agent is one of antioxidant AO-3, AO-4, AO-14, AO-15, AO-43, AO-46 or multiple combinations.
8. a kind of modified plastics for water drinks bottle according to claim 1, which is characterized in that the light stabilizer
It is the light stabilizer that can be used for food grade plastic, LD50 > 5g/kg.
9. a kind of modified plastics for water drinks bottle according to claim 8, which is characterized in that the light stabilizer
It is benzotriazole light stabilizer UVA-2 or benzophenone light stabilizer UVA-3.
10. the preparation method described according to claim 1~any one of 9 for the modified plastics of water drinks bottle, feature exist
In, comprising the following steps: by plastic components, tourmaline powder, chitosan, modification of chitosan, stearate, phenolic antioxidant, light
Stabilizer is transported in double screw extruder after mixing evenly in blender, extruding pelletization to get.
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| CN201910068691.1A CN109836784A (en) | 2019-01-24 | 2019-01-24 | A kind of modified plastics and preparation method thereof for water drinks bottle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113717468A (en) * | 2021-09-01 | 2021-11-30 | 深圳市虹核石墨烯研发有限公司 | Graphene plastic water container beneficial to changing water molecule groups |
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| CN106009744A (en) * | 2016-05-31 | 2016-10-12 | 何松 | Environment-friendly antibacterial wood product and preparation method thereof |
| CN106750990A (en) * | 2016-12-12 | 2017-05-31 | 广东威林工程塑料股份有限公司 | A kind of food medical grade heat-resisting high-transparency antibacterial polypropylene material high and preparation method thereof |
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| CN113717468A (en) * | 2021-09-01 | 2021-11-30 | 深圳市虹核石墨烯研发有限公司 | Graphene plastic water container beneficial to changing water molecule groups |
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