CN108929475A - A kind of preparation method of the moisture-proof material of medicine plastics package Graphene antibiosis - Google Patents
A kind of preparation method of the moisture-proof material of medicine plastics package Graphene antibiosis Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
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Abstract
The present invention relates to a kind of preparation methods of the moisture-proof material of medical plastics package Graphene antibiosis, include the following steps: that S1 prepares sticky blending module；S2 prepares porous structure: the sticky blending module of S1 step is transferred to drying in hothouse, it is dry to complete to be placed in sintering furnace the calcining that heats up, removing pore-forming powder；S3 sintering processes: it after forming porous structure, is continuously heating to 900-1000 DEG C of calcining and is continuously heating to 1200-1400 DEG C of calcining；S4 prepares moisture-proof material: graphene/porous CaO is ground into the particle of 1-2mm in dry conditions; coupling agent is added to be surface-treated; add lubricant, vector resin high-speed stirred make material be sufficiently mixed uniformly after; move into again dual-screw pelletizer be kneaded, be plasticized, granulating and forming, vacuum collecting obtains the moisture-proof material of Graphene antibiosis.The present invention solves current field of medicaments plastic package material graphene and carries out antibacterial modified the problems such as influencing fungus resistance because of dispersion effect difference, has the advantages that good antimicrobial effect and dispersibility are high.
Description
Technical field
The present invention relates to medical plastic technical fields, and in particular to a kind of moisture-proof material of medicine plastics package Graphene antibiosis
Preparation method.
Background technique
Cost is relatively low in medical plastic for plastic applications, it may not be necessary to which disinfection is reused, and disposable medical is suitable as
The raw materials for production of instrument；The processing is simple, can be processed into various useful structure using its plasticity, and metal and glass are very
Hardly possible manufactures the product at labyrinth；Tough and tensile, high resilience is easily broken not as glass；With good chemical inertness and
Biological safety.These performance advantages make plastics have extensive use in medical equipment, mainly include polyvinyl chloride (PVC),
Polyethylene (PE), polypropylene (PP), polystyrene (PS), polycarbonate (PC), ABS, polyurethane, polyamide, thermoplastic elastic
Body, polysulfones and polyether-ether-ketone etc..The performance that can improve plastics is blended, embodies the optimum performance of different resins, it is such as poly-
The blending and modifyings such as carbonic ester/ABS, polypropylene/elastomer.
7 kinds of common medical plastics are polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polystyrene respectively
(PS) and K resin, acrylonitrile-butadiene-styrene (ABS) (ABS), polycarbonate (PC), polytetrafluoroethylene (PTFE) (PTFE) general modeling
It after material synthesis, is come out from the synthetic tower of big petrochemical plant, is all the powder of floury, cannot be used to directly produce product, this is just
Be it has often been said that slave myron in extract the composition of rouge be the same, also referred to as resin, be also powder, this is a kind of pure
Plastics, its poor fluidity, thermal stability is low, decomposition easy to aging, intolerant to environmental aging.
Currently, plastic material has entered daily life, convenient and practical, existing common plastics are all simple
Be process, in use, due to contents and external environment, it is easy to breed bacterium, be contaminated, and
And under the higher weather conditions of air humidity, it is excessively high that nearly all product can all lead to the problem of water content, especially pharmaceutical
Plastic package material is easier under wet environment breed bacterium, and human health can be seriously affected by being infected with germs, and may make drug
Failure.This just need it is a kind of can packaging material moisture-proof while that antibacterial action can be played, not only can be used as antibacterial agent, but also
It can be used as anti-blushing agent use.
Calcium oxide is the material of main part for preparing the moisture-proof material with moisture absorption defoaming function.Plastic processing chinese raw materials can be saved
The processes such as drying reduce plastic products cost, improve production efficiency, and be greatly improved the comprehensive mechanical mechanical property of plastic products
Energy and presentation quality.It can be widely used for various plastics and various field of plastics processing, improve product quality and yield rate, it can be bright
It is aobvious to improve productivity, there is apparent economic benefit and social benefit.
But the common moisture-proof auxiliary agent of calcium oxide belongs to superfine powder, cooperation graphene carries out antibacterial, moisture-proof modified addition
When, disperses ineffective, easily reunites, and not only influences the mechanical property of material, also results in dampproof effect and antibacterial ability not
Foot, is unable to satisfy medical plastic strict requirements.Therefore, field of medicaments plastic package material fungus resistance, moisture resistance are improved extremely
It is important.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of medical plastics package is anti-with Graphene antibiosis
It is antibacterial modified due to dispersion effect difference to solve current field of medicaments plastic package material graphene progress for the preparation method of tide material
The problems such as influencing fungus resistance.
The purpose of the present invention is achieved through the following technical solutions: a kind of medicine plastics package Graphene antibiosis
The preparation method of moisture-proof material, includes the following steps:
S1 prepares sticky blending module: the deionized water of the calcium hydroxide fine powder of 10-15 parts by weight and 100 parts by weight is existed
It is uniformly mixed in high-speed air dispersion machine, adds the pore-forming powder of 10-15 parts by weight, the graphene mixing of 70-80 parts by weight
Uniformly, it is transferred in water-bath later, the heating water bath 30-45min at 90-95 DEG C, is stirred for extruding and forms sticky blend, then
It is pressed into bulk by mold, sticky blend is made, compacting in mold is added in sticky blend and obtains sticky blend mould
Block is stand-by；
S2 prepares porous structure: the sticky blending module of S1 step is transferred to drying in hothouse, it is dry to complete to be placed on sintering
It is warming up to 300-500 DEG C of calcining 2-3h in furnace, removes pore-forming powder and forms porous structure；
S3 sintering processes: after forming porous structure, it is continuously heating to 900-1000 DEG C of calcining 1-2h, is continuously heating to 1200-
1400 DEG C of calcining 3-5h, it is stand-by to obtain graphene/porous CaO；
S4 prepares moisture-proof material: graphene/porous CaO of the 30-50 parts by weight in S3 step is ground into dry conditions
The particle of 1-2mm, the coupling agent for adding 2-4 parts by weight carry out surface treatment 5-10min, add the lubrication of 3-4 parts by weight
Agent, 80-100 parts by weight vector resin high-speed stirred make material be sufficiently mixed uniformly after, then move into dual-screw pelletizer progress
It is kneaded, plasticizing, granulating and forming, vacuum collecting obtains the moisture-proof material of Graphene antibiosis.
By the way that the precursors powder of calcium oxide and graphene are made into compacting, calcining after sticky material, graphene/porous is obtained
Calcium oxide makes graphene dispersion in porous CaO, avoids using ultra-fine calcium oxide powder, and by graphene with commonly use it is moisture-proof
Main body filler calcium oxide combines rear bulky grain, not easy to reunite, to be conducive to the evenly dispersed of graphene, and cavernous oxygen
It is strong to change calcium adsorption capacity, there is strong suction-operated to steam, humidity resistance, the mechanical property of material can be significantly improved, further
Graphene can assign material excellent anti-microbial property.
Further, pore-forming powder is sawdust powder or starch in the S1 step；The partial size of the pore-forming powder is
0.1mm or less.
Sawdust powder refers to sawdust, the wood shavings powder left when wood processing.It is 0.1mm that sawdust powder, which is crushed to partial size,
Hereinafter, being used for pore-forming at this time, the residuals content left during high temperature sintering is few, and the gap of formation is uniform.
Further, the pore-forming powder is starch.
Starch industry is the important Follow-up Industry of agricultural product, for many years, is accumulating capital funds, is meeting consumption, expanding employment, changing
The kind people's livelihood, service agriculture-countryside-farmer etc. have played important function.Starch is a kind of polysaccharide.Manufacturing starch is the one of plant storing energy
Kind mode.Starch can be regarded as the high polymer of glucose.Starch is commercially used for paste producing essence, maltose, grape in addition to edible
Sugar, alcohol etc. are also used for modulation printing paste, the starching of textile, the gluing of paper, compacting of medicinal tablet etc..Can by corn,
It extracts and obtains in the amyloid substances such as sweet potato, wild acorn nut and pueraria lobata.
It is 0.1mm hereinafter, pore-forming is used at this time, in the process of high temperature sintering that starch, which is added in pulverizer, and is crushed to partial size
In the residuals content that leaves it is few, the gap of formation is uniform.
Further, the temperature squeezed in the S1 step is 180-220 DEG C, and the pressure of extruding is 7-12MPa.
Further, temperature dry in the S2 step is 80-100 DEG C, drying time 2-5h.
Further, coupling agent is aluminate coupling agent in the S4 step；Lubricant is polyethylene in the S4 step
Wax.
Further, vector resin is at least one of polyethylene, polyvinyl chloride, polypropylene in the S4 step.
Further, vector resin is polyethylene or polypropylene in the S4 step.
The beneficial effects of the present invention are: it is 0.1mm hereinafter, pore-forming is used at this time, in height that pore-forming powder, which is crushed to partial size,
The residuals content left during temperature sintering is few, and the gap of formation is uniform；By by the precursors powder of calcium oxide at
Hole powder and graphene are made into compacting, calcining after sticky material, obtain graphene/porous CaO, make graphene dispersion porous
It in calcium oxide, avoids using ultra-fine calcium oxide powder, and by graphene big after commonly using in conjunction with moisture-proof main body filler calcium oxide
Granulation, it is not easy to reunite, to be conducive to the evenly dispersed of graphene, and cavernous calcium oxide adsorption capacity is strong, have to steam
There is strong suction-operated, can significantly improve humidity resistance, the mechanical property of material, further graphene can assign material excellent anti-
Bacterium performance.Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to model of the invention
It encloses and is only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill knowledge
The various replacements or change made with customary means, should be included in the scope of the present invention.
Embodiment 1
A kind of preparation method of the moisture-proof material of medicine plastics package Graphene antibiosis, includes the following steps:
S1 prepares sticky blending module: by the deionized water of the calcium hydroxide fine powder of 10 parts by weight and 100 parts by weight in height
It is uniformly mixed in fast air-flow dispersion machine, the graphene of the sawdust powder, 70 parts by weight that add 10 parts by weight is uniformly mixed, later
It is transferred in water-bath, the heating water bath 45min at 90 DEG C, stirs and squeeze under conditions of temperature is 180 DEG C, pressure is 12MPa
Sticky blend is formed, then bulk is pressed by mold, sticky blend is made, sticky blend is added in mold and is suppressed
It is stand-by to obtain sticky blend module；
S2 prepares porous structure: the sticky module that is blended of S1 step is transferred to dry 5h in the hothouse that temperature is 80 DEG C, it is dry
Completion, which is placed in sintering furnace, is warming up to 300 DEG C of calcining 3h, removes pore-forming powder and forms porous structure；
S3 sintering processes: after forming porous structure, 900 DEG C of calcining 2h is continuously heating to, 1200 DEG C of calcining 5h is continuously heating to, obtains
It is stand-by to graphene/porous CaO；
S4 prepares moisture-proof material: graphene/porous CaO of 30 parts by weight in S3 step is ground into 1- in dry conditions
The particle of 2mm, the aluminate coupling agent for adding 2 parts by weight carry out surface treatment 5min, add the polyethylene of 3 parts by weight
Wax, 80 parts by weight vector resin high-speed stirred make material be sufficiently mixed uniformly after, then move into dual-screw pelletizer be kneaded,
Plasticizing, granulating and forming, vacuum collecting obtain the moisture-proof material of Graphene antibiosis.
Specifically, vector resin is polyethylene in the S4 step；The partial size of the pore-forming powder is 0.1mm or less.
Embodiment 2
A kind of preparation method of the moisture-proof material of medicine plastics package Graphene antibiosis, includes the following steps:
S1 prepares sticky blending module: by the deionized water of the calcium hydroxide fine powder of 15 parts by weight and 100 parts by weight in height
It is uniformly mixed in fast air-flow dispersion machine, the graphene of the sawdust powder, 80 parts by weight that add 15 parts by weight is uniformly mixed, later
It is transferred in water-bath, the heating water bath 30min at 95 DEG C, stirs and squeeze under conditions of temperature is 220 DEG C, pressure is 12MPa
Sticky blend is formed, then bulk is pressed by mold, sticky blend is made, sticky blend is added in mold and is suppressed
It is stand-by to obtain sticky blend module；
S2 prepares porous structure: the sticky module that is blended of S1 step is transferred to dry 2h in the hothouse that temperature is 100 DEG C, it is dry
Completion, which is placed in sintering furnace, is warming up to 500 DEG C of calcining 2h, removes pore-forming powder and forms porous structure；
S3 sintering processes: after forming porous structure, being continuously heating to 1000 DEG C of calcining 1h, be continuously heating to 1400 DEG C of calcining 3h,
It is stand-by to obtain graphene/porous CaO；
S4 prepares moisture-proof material: graphene/porous CaO of 50 parts by weight in S3 step is ground into 1- in dry conditions
The particle of 2mm, the aluminate coupling agent for adding 4 parts by weight carry out surface treatment 10min, add the polyethylene of 4 parts by weight
Wax, 100 parts by weight vector resin high-speed stirred be sufficiently mixed material uniformly after, then move into dual-screw pelletizer and mixed
Refining, plasticizing, granulating and forming, vacuum collecting obtain the moisture-proof material of Graphene antibiosis.
Specifically, vector resin is polyvinyl chloride in the S4 step；The partial size of the pore-forming powder is 0.1mm or less.
Embodiment 3
A kind of preparation method of the moisture-proof material of medicine plastics package Graphene antibiosis, includes the following steps:
S1 prepares sticky blending module: by the deionized water of the calcium hydroxide fine powder of 12 parts by weight and 100 parts by weight in height
It is uniformly mixed in fast air-flow dispersion machine, the graphene of the starch, 75 parts by weight that add 12 parts by weight is uniformly mixed, and is shifted later
Into water-bath, the heating water bath 40min at 92 DEG C, stirring, which squeezes, under conditions of temperature is 200 DEG C, pressure is 10MPa is formed
Sticky blend, then bulk is pressed by mold, sticky blend is made, is obtained being suppressed in sticky blend addition mold
Sticky blend module is stand-by；
S2 prepares porous structure: the sticky blending module of S1 step is transferred in hothouse at a temperature of 90 °C dry 4h, it is dry
Completion, which is placed in sintering furnace, is warming up to 450 DEG C of calcining 2.5h, removes pore-forming powder and forms porous structure；
S3 sintering processes: after forming porous structure, being continuously heating to 950 DEG C of calcining 1.5h, be continuously heating to 1300 DEG C of calcining 4h,
It is stand-by to obtain graphene/porous CaO；
S4 prepares moisture-proof material: graphene/porous CaO of 40 parts by weight in S3 step is ground into 1- in dry conditions
The particle of 2mm, the aluminate coupling agent for adding 3 parts by weight carry out surface treatment 5-10min, add the poly- second of 4 parts by weight
Alkene wax, 90 parts by weight vector resin high-speed stirred be sufficiently mixed material uniformly after, then move into dual-screw pelletizer and mixed
Refining, plasticizing, granulating and forming, vacuum collecting obtain the moisture-proof material of Graphene antibiosis.
Specifically, vector resin is polypropylene in the S4 step；The partial size of the pore-forming powder is 0.1mm or less.
Embodiment 4
A kind of preparation method of the moisture-proof material of medicine plastics package Graphene antibiosis, includes the following steps:
S1 prepares sticky blending module: by the deionized water of the calcium hydroxide fine powder of 14 parts by weight and 100 parts by weight in height
It is uniformly mixed in fast air-flow dispersion machine, the graphene of the starch, 70-80 parts by weight that add 14 parts by weight is uniformly mixed, later
It is transferred in water-bath, the heating water bath 35min at 94 DEG C, stirs and squeeze under conditions of temperature is 210 DEG C, pressure is 8MPa
Sticky blend is formed, then bulk is pressed by mold, sticky blend is made, sticky blend is added in mold and is suppressed
It is stand-by to obtain sticky blend module；
S2 prepares porous structure: the sticky blending module of S1 step is transferred in hothouse at a temperature of 90 °C dry 3h, it is dry
Completion, which is placed in sintering furnace, is warming up to 450 DEG C of calcining 2.5h, removes pore-forming powder and forms porous structure；
S3 sintering processes: after forming porous structure, being continuously heating to 950 DEG C of calcining 1.5h, is continuously heating to 1350 DEG C of calcinings
It is stand-by to obtain graphene/porous CaO by 4.5h；
S4 prepares moisture-proof material: graphene/porous CaO of 40 parts by weight in S3 step is ground into 1- in dry conditions
The particle of 2mm, the aluminate coupling agent for adding 3 parts by weight carry out surface treatment 8min, add the polyethylene of 3 parts by weight
Wax, 95 parts by weight vector resin high-speed stirred make material be sufficiently mixed uniformly after, then move into dual-screw pelletizer be kneaded,
Plasticizing, granulating and forming, vacuum collecting obtain the moisture-proof material of Graphene antibiosis.
Specifically, vector resin is high density polyethylene (HDPE) in the S4 step；The partial size of the pore-forming powder be 0.1mm with
Under.
Embodiment 5
A kind of preparation method of the moisture-proof material of medicine plastics package Graphene antibiosis, includes the following steps:
S1 prepares sticky blending module: by the deionized water of the calcium hydroxide fine powder of 10 parts by weight and 100 parts by weight in height
It is uniformly mixed in fast air-flow dispersion machine, the graphene of the starch, 80 parts by weight that add 15 parts by weight is uniformly mixed, and is shifted later
Into water-bath, the heating water bath 45min at 95 DEG C, stirring, which squeezes, under conditions of temperature is 220 DEG C, pressure is 12MPa is formed
Sticky blend, then bulk is pressed by mold, sticky blend is made, is obtained being suppressed in sticky blend addition mold
Sticky blend module is stand-by；
S2 prepares porous structure: the sticky module that is blended of S1 step is transferred to dry 5h in the hothouse that temperature is 100 DEG C, it is dry
Completion, which is placed in sintering furnace, is warming up to 500 DEG C of calcining 3h, removes pore-forming powder and forms porous structure；
S3 sintering processes: after forming porous structure, being continuously heating to 1000 DEG C of calcining 2h, be continuously heating to 1400 DEG C of calcining 5h,
It is stand-by to obtain graphene/porous CaO；
S4 prepares moisture-proof material: graphene/porous CaO of 50 parts by weight in S3 step is ground into 1- in dry conditions
The particle of 2mm, the aluminate coupling agent for adding 4 parts by weight carry out surface treatment 10min, add the polyethylene of 4 parts by weight
Wax, 80 parts by weight vector resin high-speed stirred make material be sufficiently mixed uniformly after, then move into dual-screw pelletizer be kneaded,
Plasticizing, granulating and forming, vacuum collecting obtain the moisture-proof material of Graphene antibiosis.
Specifically, vector resin is polyethylene in the S4 step；The partial size of the pore-forming powder is 0.1mm or less.
Embodiment 6
A kind of preparation method of the moisture-proof material of medicine plastics package Graphene antibiosis, includes the following steps:
S1 prepares sticky blending module: by the deionized water of the calcium hydroxide fine powder of 10 parts by weight and 100 parts by weight in height
It is uniformly mixed in fast air-flow dispersion machine, the graphene of the starch, 70 parts by weight that add 15 parts by weight is uniformly mixed, and is shifted later
Into water-bath, the heating water bath 45min at 90 DEG C, stirring, which squeezes, under conditions of temperature is 180 DEG C, pressure is 12MPa is formed
Sticky blend, then bulk is pressed by mold, sticky blend is made, is obtained being suppressed in sticky blend addition mold
Sticky blend module is stand-by；
S2 prepares porous structure: the sticky module that is blended of S1 step is transferred to dry 2h in the hothouse that temperature is 100 DEG C, it is dry
Completion, which is placed in sintering furnace, is warming up to 500 DEG C of calcining 3h, removes pore-forming powder and forms porous structure；
S3 sintering processes: after forming porous structure, being continuously heating to 1000 DEG C of calcining 2h, be continuously heating to 1400 DEG C of calcining 5h,
It is stand-by to obtain graphene/porous CaO；
S4 prepares moisture-proof material: graphene/porous CaO of 40 parts by weight in S3 step is ground into 1- in dry conditions
The particle of 2mm, the aluminate coupling agent for adding 4 parts by weight carry out surface treatment 10min, add the polyethylene of 4 parts by weight
Wax, 100 parts by weight vector resin high-speed stirred be sufficiently mixed material uniformly after, then move into dual-screw pelletizer and mixed
Refining, plasticizing, granulating and forming, vacuum collecting obtain the moisture-proof material of Graphene antibiosis.
Specifically, vector resin is polyethylene in the S4 step；The partial size of the pore-forming powder is 0.1mm or less.
Comparative example 1
The calcium hydroxide fine powder of 10 parts by weight is mixed with the deionized water of 100 parts by weight in high-speed air dispersion machine
Even, it is stand-by to obtain sticky blend module for compacting in addition mold；Module will be blended to be transferred in the hothouse that temperature is 100 DEG C
Dry 2h, it is dry to complete to be placed in sintering furnace to be warming up to 500 DEG C of calcining 3h, 1000 DEG C of calcining 2h are continuously heating to, after of continuing rising
It is stand-by to obtain calcium oxide to 1400 DEG C of calcining 5h for temperature；The calcium oxide of 40 parts by weight is ground into of 1-2mm in dry conditions
Grain, the aluminate coupling agent for adding 4 parts by weight carry out surface treatment 10min, add polyethylene wax, 100 weights of 4 parts by weight
After the vector resin high-speed stirred of amount part is sufficiently mixed material uniformly, then moves into dual-screw pelletizer and be kneaded, be plasticized, made
Grain molding, vacuum collecting obtain the moisture-proof material of antibacterial.
Comparative example 2
To add any anti-blushing agent.Remaining is consistent with embodiment 6.
The material that embodiment 1-6, comparative example 1-2 are obtained is rolled into the thin slice with a thickness of 0.2mm in calender, is used for drug
The liner of packaging, for packing Pepsin, Pepsin is the drug that the easy moisture absorption goes bad, testing package initial stage,
180 days moisture contents and appearances.Such as table 1.
Table 1:
| Embodiment | Drug initial water content (%) | 180 days water content (%) | Medicine particle appearance |
| Embodiment 1 | 1.3 | 1.1 | Dry particle |
| Embodiment 2 | 1.3 | 1.2 | Dry particle |
| Embodiment 3 | 1.3 | 1.0 | Dry particle |
| Embodiment 4 | 1.3 | 1.1 | Dry particle |
| Embodiment 5 | 1.3 | 1.3 | Dry particle |
| Embodiment 6 | 1.3 | 1.2 | Dry particle |
| Comparative example 1 | 1.3 | 3.6 | Soft shape particle |
| Comparative example 2 | 1.3 | 5.1 | Wet particle |
Claims (8)
1. a kind of preparation method of the moisture-proof material of medicine plastics package Graphene antibiosis, which comprises the steps of:
S1 prepares sticky blending module: the deionized water of the calcium hydroxide fine powder of 10-15 parts by weight and 100 parts by weight is existed
It is uniformly mixed in high-speed air dispersion machine, adds the pore-forming powder of 10-15 parts by weight, the graphene mixing of 70-80 parts by weight
Uniformly, it is transferred in water-bath later, the heating water bath 30-45min at 90-95 DEG C, is stirred for extruding and forms sticky blend, then
It is pressed into bulk by mold, sticky blend is made, compacting in mold is added in sticky blend and obtains sticky blend mould
Block is stand-by；
S2 prepares porous structure: the sticky blending module of S1 step is transferred to drying in hothouse, it is dry to complete to be placed on sintering
It is warming up to 300-500 DEG C of calcining 2-3h in furnace, removes pore-forming powder and forms porous structure；
S3 sintering processes: after forming porous structure, it is continuously heating to 900-1000 DEG C of calcining 1-2h, is continuously heating to 1200-
1400 DEG C of calcining 3-5h, it is stand-by to obtain graphene/porous CaO；
S4 prepares moisture-proof material: graphene/porous CaO of the 30-50 parts by weight in S3 step is ground into dry conditions
The particle of 1-2mm, the coupling agent for adding 2-4 parts by weight carry out surface treatment 5-10min, add the lubrication of 3-4 parts by weight
Agent, 80-100 parts by weight vector resin high-speed stirred make material be sufficiently mixed uniformly after, then move into dual-screw pelletizer progress
It is kneaded, plasticizing, granulating and forming, vacuum collecting obtains the moisture-proof material of Graphene antibiosis.
2. a kind of preparation method of the moisture-proof material of medical plastics package Graphene antibiosis according to claim 1, feature
It is, pore-forming powder is sawdust powder or starch in the S1 step；The partial size of the pore-forming powder is 0.1mm or less.
3. a kind of preparation method of the moisture-proof material of medical plastics package Graphene antibiosis according to claim 1 or 2, special
Sign is that the pore-forming powder is starch.
4. a kind of preparation method of the moisture-proof material of medical plastics package Graphene antibiosis according to claim 1, feature
It is, the temperature squeezed in the S1 step is 180-220 DEG C, and the pressure of extruding is 7-12MPa.
5. a kind of preparation method of the moisture-proof material of medical plastics package Graphene antibiosis according to claim 1, feature
It is, dry temperature is 80-100 DEG C in the S2 step, drying time 2-5h.
6. a kind of preparation method of the moisture-proof material of medical plastics package Graphene antibiosis according to claim 1, feature
It is, coupling agent is aluminate coupling agent in the S4 step；Lubricant is polyethylene wax in the S4 step.
7. a kind of preparation method of the moisture-proof material of medical plastics package Graphene antibiosis according to claim 1, feature
It is, vector resin is at least one in polyethylene, polyvinyl chloride, polypropylene and/or high density polyethylene (HDPE) in the S4 step
Kind.
8. a kind of preparation method of the moisture-proof material of medical plastics package Graphene antibiosis according to claim 1 or claim 7, special
Sign is that vector resin is polyethylene or polypropylene in the S4 step.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111470495A (en) * | 2020-04-24 | 2020-07-31 | 山东龙力生物科技股份有限公司 | Raw material for preparing graphene and method for preparing graphene by using raw material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111470495A (en) * | 2020-04-24 | 2020-07-31 | 山东龙力生物科技股份有限公司 | Raw material for preparing graphene and method for preparing graphene by using raw material |
| CN111470495B (en) * | 2020-04-24 | 2023-05-12 | 山东龙力生物科技股份有限公司 | Raw material for preparing graphene and method for preparing graphene by using raw material |
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