CN110157161A - A kind of preparation method of high temperature resistant blister packaging material - Google Patents
A kind of preparation method of high temperature resistant blister packaging material Download PDFInfo
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- CN110157161A CN110157161A CN201910463066.7A CN201910463066A CN110157161A CN 110157161 A CN110157161 A CN 110157161A CN 201910463066 A CN201910463066 A CN 201910463066A CN 110157161 A CN110157161 A CN 110157161A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
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Abstract
The present invention relates to a kind of preparation methods of high temperature resistant blister packaging material, belong to blister packaging material preparation technology technical field.The present invention reacts graphite powder investment sulfuric acid solution with potassium permanganate, add hydrogen peroxide sonic oscillation, hydrogen is passed through after oscillation, desciccate is made in filtering drying, then by desciccate and ethyl orthosilicate, rice husk is stirred, cellulase is added after mixing, then water mixing is added and carries out high-temperature high-voltage reaction, sieving is obtained by filtration after reaction, finally sieving is mixed with polymer and other auxiliary agents, by double screw extruder extrusion and hot pressing, it discharges up to high temperature resistant blister packaging material, the present invention, which puts into graphite to react in the concentrated sulfuric acid with potassium permanganate, generates graphene oxide, graphene is being generated by hydrogen reducing, hydrolyze plant fiber by high temperature and pressure hydro-thermal reaction with plant fibre blending graphene again, reinforce the bonding crosslinked action between each molecule, to improve mechanical strength and heat resistance.
Description
Technical field
The present invention relates to a kind of preparation methods of high temperature resistant blister packaging material, belong to blister packaging material preparation technology skill
Art field.
Background technique
China is that world's packaging manufacture and consumption big country, ratio of the plastics package in the Packaging Industry gross output value already exceed
30%, become the fresh combatants of Packaging Industry.In recent years, with the development of society and the improvement of people's living standards, advanced packaging system
Product, which especially develop related plastics package with food, human health, increasingly to be favored by market, and market prospects are very huge.
Plastic uptake is a kind of plastic processing, and cardinal principle is after open and flat plastic hard plate material heating softens, using true
Suction invests mold (building materials, metal, cardboard etc.) surface, is adsorbed on mold after cooling, is widely used in plastics package, lamp
The industries such as decorations, advertisement, decoration.Traditional plastics sucking moulding co-extrusion film packing articles mainly use polyethylene, polypropylene, PVC, polyester etc.
Single high molecular material is prepared by uniaxial or biaxial stretching.A small number of technologically advanced enterprises have started using polyethylene and have gathered
Propylene is raw material, prepares packing articles by three-layer co-extruded technique.It is mostly used for the packaging such as food, fruit, drug, medical instrument
Field.
The generally existing following problem of blister packaging material generally used on current domestic market: certainly due to polyolefine material
The limitation of body performance, that there are properties of product is bad for most of plastics sucking moulding packing articles, if heat resistance is not high, after plastics sucking moulding
Reach in use process be easy after certain temperature shape retract, mechanical strength, limited use scope.
It would therefore be highly desirable to invent a kind of high mechanical strength, the good blister packaging material of heat resistance is of great significance.
Summary of the invention
The technical problems to be solved by the invention: poor for the current blister packaging mechanical property of materials, heat resistance is bad
Defect provides a kind of preparation method of high temperature resistant blister packaging material.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
The specific preparation step of high temperature resistant blister packaging material are as follows:
Blend is put into double screw extruder, is squeezed under conditions of temperature is 210~230 DEG C, revolving speed is 70~80r/min
Out be granulated obtain squeeze out product, by squeeze out product pour into mold, mold is placed in hot press, compacting pressure be 18~
20MPa, temperature suppress 40~50min under conditions of being 140~150 DEG C, and resistance to height is made in the cooled to room temperature that discharges after compacting
Warm blister packaging material；
The specific preparation step of blend are as follows:
(1) weigh in desciccate, tetraethyl orthosilicate, rice husk and dehydrated alcohol investment reaction kettle, with blender with 600~
The revolving speed of 650r/min is mixed 60~80min and mix products is made, and cellulase is added into reaction kettle, increases temperature in kettle
Degree continues 3~4h of stirring and enzymolysis product is made to 35~40 DEG C；
(2) deionized water is added into reaction kettle, temperature in the kettle is increased, be filled with nitrogen increase in kettle air pressure to 1.5~
1.8MPa, seals reaction kettle, and constant temperature and pressure reacts 60~80min, filter cake is obtained by filtration after reaction, filter cake is put into planetary ball mill
3~5h is ground with the revolving speed of 400~500r/min in machine, sieves with 100 mesh sieve to obtain sieving；
(3) it weighs sieving, polyethylene terephthalate, aluminum oxide, phosphorus pentoxide to put into blender, in temperature
Blend is made in 60~80min of mixing under conditions of degree is 140~150 DEG C, revolving speed is 500~550r/min；
The specific preparation step of desciccate are as follows:
(1) sulfuric acid solution that graphite powder and mass fraction are 80~90% is put into beaker, is placed the beaker in ice-water bath, used
Blender is mixed 40~60min with the revolving speed of 500~550r/min and obtains suspension, and potassium permanganate powder is added into beaker
End increases bath temperature to 35~40 DEG C, filter residue is obtained by filtration after continuing 30~40min of stirring；
(2) hydrogen peroxide that filter residue and mass fraction are 20~24% is put into beaker, is placed the beaker in sonic oscillation instrument,
Mixed liquor is made in 100~120min of oscillation under conditions of frequency is 35~38kHz, into mixed liquor with the speed of 50~80mL/min
Rate is passed through hydrogen and reacts the obtained reducing solution of 60~80min, and filter residue is obtained by filtration in reducing solution, is 15~18% with mass fraction
Hydrochloric acid is cleaned filter residue 3~5 times and is placed in baking oven, dries under conditions of temperature is 105~120 DEG C and desciccate is made.
Preferably according to parts by weight, desciccate is 7~9 parts, tetraethyl orthosilicate is 3~5 parts, rice husk is 11~13
Part, dehydrated alcohol are 15~18 parts, and cellulase is 0.3~0.6 part.
The quality for the deionized water being added in the specific preparation step (2) of blend into reaction kettle is enzymolysis product quality
1~2 times.
Reactor temperature is increased to 250~280 DEG C in the specific preparation step (2) of blend.
In the specific preparation step (3) of blend preferably according to parts by weight, sieving is 8~10 parts, gathers to benzene two
Formic acid glycol ester is 20~24 parts, aluminum oxide is 0.5~0.7 part, phosphorus pentoxide is 1~2 part.
The quality for the sulfuric acid solution that graphite powder and mass fraction are 80~90% in the specific preparation step (1) of desciccate
Than for 1:10.
The quality for the potassium permanganate powder being added in the specific preparation step (1) of desciccate into beaker is suspension matter
The 5~8% of amount.
The mass ratio for the hydrogen peroxide that filter residue is 20~24% with mass fraction in the specific preparation step (2) of desciccate is
1:10。
The method have the benefit that:
(1) present invention puts into graphite powder in sulfuric acid solution, adds potassium permanganate and reacts obtained reaction solution, will add in reaction solution
Enter hydrogen peroxide sonic oscillation, hydrogen reaction is passed through after oscillation, desciccate is made in filtering drying after reaction, then by desciccate
It is stirred with ethyl orthosilicate, rice husk, cellulase is added after mixing and reacts obtained enzymolysis product, enzymolysis product and water are mixed
It closes and carries out high-temperature high-voltage reaction, sieving is obtained by filtration after reaction, finally mixes sieving with polymer and other auxiliary agents
It is squeezed out in investment double screw extruder, carries out hot pressing after extrusion again, discharged up to high temperature resistant blister packaging material, the present invention is by stone
Ink powder is put into sulfuric acid solution, and potassium permanganate oxygen is added, oxidation reaction is carried out under the collective effect of the concentrated sulfuric acid and potassium permanganate,
Graphene oxide ingredient is generated, graphene oxide structure is extremely firm, and chemical property is stablized, and is conducive to enhance high temperature resistant plastic uptake packet
The mechanical strength and mechanical strength of package material make graphene oxide be reduced into a nanometer stone after hydrogen peroxide and hydrogen reaction
Black alkene material, this nanoscale graphite alkene molecule of generation is six faceted crystal structures, big with extraneous exposure level, while chemically
Matter is stablized, and after being introduced into blister packaging material the chemical stability of blister packaging material and mechanical property can improve, together
The good heat-conductive characteristic of Shi Yongyou is conducive to the mechanical strength and heat resistance that improve blister packaging material；
(2) rice husk is added in blister packaging the present invention, is decomposed using cellulase to rice husk, makes plant fiber in rice husk
It is separated, while partial hydrolysis generates carboxyl, hydroxyl, adsorbs graphene molecules, improve graphene molecules in blister packaging material
Degree of scatter in material improves the mechanical strength and heat resistance of blister packaging material comprehensively, and in the way of high temperature and pressure
Hydrolyze plant fiber, the other molecules being further bonded in graphene and blister packaging material enhance blister packaging material
Micro-space structure, improve crosslink density, thus effectively enhance blister packaging material mechanical strength and heat resistance, have
Wide application prospect.
Specific embodiment
The sulfuric acid solution 1:10 in mass ratio that graphite powder and mass fraction are 80~90% is put into beaker, beaker is set
In ice-water bath, 40~60min is mixed with the revolving speed of 500~550r/min with blender and obtains suspension, into beaker
The potassium permanganate powder of suspension quality 5~8% is added, increases bath temperature to 35~40 DEG C, after continuing 30~40min of stirring
Filter residue is obtained by filtration；The hydrogen peroxide 1:10 in mass ratio that above-mentioned filter residue and mass fraction are 20~24% is put into beaker, will be burnt
Cup is placed in sonic oscillation instrument, and mixed liquor is made in 100~120min of oscillation under conditions of frequency is 35~38kHz, to mixing
Rate in liquid with 50~80mL/min is passed through hydrogen and reacts the obtained reducing solution of 60~80min, and filter residue is obtained by filtration in reducing solution,
It cleans filter residue 3~5 times with the hydrochloric acid that mass fraction is 15~18% to be placed in baking oven, the condition for being 105~120 DEG C in temperature
Desciccate is made in lower dry；According to parts by weight, 7~9 parts of above-mentioned desciccates, 3~5 parts of tetraethyl orthosilicates, 11 are weighed
In~13 parts of rice husks and 15~18 parts of dehydrated alcohol investment reaction kettles, stirred with blender with the revolving speed mixing of 600~650r/min
Mix 60~80min be made mix products, into kettle be added 0.3~0.6 part of cellulase, increase temperature in the kettle to 35~40 DEG C,
Continue 3~4h of stirring and enzymolysis product is made；1~2 times of enzymolysis product quality of deionized water is added into reaction kettle, it will be warm in kettle
Degree is increased to 250~280 DEG C, is filled with air pressure in nitrogen raising kettle and seals reaction kettle, constant temperature and pressure reaction to 1.5~1.8MPa
Filter cake is obtained by filtration after reaction in 60~80min, and filter cake is put into planetary ball mill and grinds 3 with the revolving speed of 400~500r/min
~5h sieves with 100 mesh sieve to obtain sieving；According to parts by weight, weigh 8~10 parts of above-mentioned sievings, 20~24 parts it is poly- to benzene two
Formic acid glycol ester, 0.5~0.7 part of aluminum oxide, in 1~2 part of phosphorus pentoxide investment blender, temperature be 140~
150 DEG C, revolving speed be 500~550r/min under conditions of mixing 60~80min be made blend；Blends described above is put into double spiral shells
In bar extruder, extruding pelletization obtains squeezing out product under conditions of temperature is 210~230 DEG C, revolving speed is 70~80r/min,
Product will be squeezed out to pour into mold, mold is placed in hot press, be 18~20MPa in compacting pressure, temperature is 140~150
40~50min is suppressed under conditions of DEG C, high temperature resistant blister packaging material is made in the cooled to room temperature that discharges after compacting.
Example 1
The preparation of filter residue:
The sulfuric acid solution 1:10 in mass ratio that graphite powder and mass fraction are 80% is put into beaker, ice-water bath is placed the beaker
In, 40min is mixed with the revolving speed of 500r/min with blender and obtains suspension, suspension quality 5% is added into beaker
Potassium permanganate powder increases bath temperature to 35 DEG C, continues that filter residue is obtained by filtration after stirring 30min.
The preparation of desciccate:
The hydrogen peroxide 1:10 in mass ratio that above-mentioned filter residue and mass fraction are 20% is put into beaker, ultrasonic vibration is placed the beaker
It swings in instrument, mixed liquor is made in oscillation 100min under conditions of frequency is 35kHz, logical with the rate of 50mL/min into mixed liquor
Enter hydrogen reaction 60min and reducing solution is made, filter residue is obtained by filtration in reducing solution, cleans filter residue 3 with the hydrochloric acid that mass fraction is 15%
It is placed in baking oven, is dried under conditions of temperature is 105 DEG C and desciccate is made.
The preparation of enzymolysis product:
According to parts by weight, 7 parts of above-mentioned desciccates, 3 parts of tetraethyl orthosilicates, 11 parts of rice husks and 15 parts of dehydrated alcohols are weighed to throw
Enter in reaction kettle, 60min is mixed with the revolving speed of 600r/min with blender, mix products are made, 0.3 part is added into kettle
Cellulase increases temperature in the kettle to 35 DEG C, continues to stir the obtained enzymolysis product of 3h.
The preparation of sieving:
1 times of enzymolysis product quality of deionized water is added into reaction kettle, temperature in the kettle is increased to 250 DEG C, is filled with nitrogen liter
Air pressure seals reaction kettle, constant temperature and pressure reacts 60min, filter cake is obtained by filtration after reaction, filter cake is put into 1.5MPa in high kettle
3h is ground with the revolving speed of 400r/min in planetary ball mill, sieves with 100 mesh sieve to obtain sieving.
The preparation of blend:
According to parts by weight, 8 parts of above-mentioned sievings, 20 parts of polyethylene terephthalates, 0.5 part of aluminum oxide, 1 are weighed
In part phosphorus pentoxide investment blender, 60min is mixed under conditions of temperature is 140 DEG C, revolving speed is 500r/min and is made altogether
Mixed object.
The preparation of high temperature resistant blister packaging material:
Blends described above is put into double screw extruder, squeezes out and makes under conditions of temperature is 210 DEG C, revolving speed is 70r/min
Grain obtains squeezing out product, will squeeze out product and pours into mold, mold is placed in hot press, is 18MPa, temperature in compacting pressure
40min is suppressed under conditions of being 140 DEG C, high temperature resistant blister packaging material is made in the cooled to room temperature that discharges after compacting.
Example 2
The preparation of filter residue:
The sulfuric acid solution 1:10 in mass ratio that graphite powder and mass fraction are 85% is put into beaker, ice-water bath is placed the beaker
In, 50min is mixed with the revolving speed of 520r/min with blender and obtains suspension, suspension quality 7% is added into beaker
Potassium permanganate powder increases bath temperature to 38 DEG C, continues that filter residue is obtained by filtration after stirring 35min.
The preparation of desciccate:
The hydrogen peroxide 1:10 in mass ratio that above-mentioned filter residue and mass fraction are 22% is put into beaker, ultrasonic vibration is placed the beaker
It swings in instrument, mixed liquor is made in oscillation 110min under conditions of frequency is 37kHz, logical with the rate of 70mL/min into mixed liquor
Enter hydrogen reaction 70min and reducing solution is made, filter residue is obtained by filtration in reducing solution, cleans filter residue 4 with the hydrochloric acid that mass fraction is 17%
It is secondary to be placed in baking oven, it is dried under conditions of temperature is 110 DEG C and desciccate is made.
The preparation of enzymolysis product:
According to parts by weight, 8 parts of above-mentioned desciccates, 4 parts of tetraethyl orthosilicates, 12 parts of rice husks and 17 parts of dehydrated alcohols are weighed to throw
Enter in reaction kettle, 70min is mixed with the revolving speed of 630r/min with blender, mix products are made, 0.5 part is added into kettle
Cellulase increases temperature in the kettle to 38 DEG C, continues to stir the obtained enzymolysis product of 4h.
The preparation of sieving:
2 times of enzymolysis product quality of deionized water is added into reaction kettle, temperature in the kettle is increased to 270 DEG C, is filled with nitrogen liter
Air pressure seals reaction kettle, constant temperature and pressure reacts 70min, filter cake is obtained by filtration after reaction, filter cake is put into 1.7MPa in high kettle
4h is ground with the revolving speed of 450r/min in planetary ball mill, sieves with 100 mesh sieve to obtain sieving.
The preparation of blend:
According to parts by weight, 9 parts of above-mentioned sievings, 22 parts of polyethylene terephthalates, 0.6 part of aluminum oxide, 2 are weighed
In part phosphorus pentoxide investment blender, 70min is mixed under conditions of temperature is 145 DEG C, revolving speed is 530r/min and is made altogether
Mixed object.
The preparation of high temperature resistant blister packaging material:
Blends described above is put into double screw extruder, squeezes out and makes under conditions of temperature is 220 DEG C, revolving speed is 75r/min
Grain obtains squeezing out product, will squeeze out product and pours into mold, mold is placed in hot press, is 19MPa, temperature in compacting pressure
45min is suppressed under conditions of being 145 DEG C, high temperature resistant blister packaging material is made in the cooled to room temperature that discharges after compacting.
Example 3
The preparation of filter residue:
The sulfuric acid solution 1:10 in mass ratio that graphite powder and mass fraction are 90% is put into beaker, ice-water bath is placed the beaker
In, 60min is mixed with the revolving speed of 550r/min with blender and obtains suspension, suspension quality 8% is added into beaker
Potassium permanganate powder increases bath temperature to 40 DEG C, continues that filter residue is obtained by filtration after stirring 40min.
The preparation of desciccate:
The hydrogen peroxide 1:10 in mass ratio that above-mentioned filter residue and mass fraction are 24% is put into beaker, ultrasonic vibration is placed the beaker
It swings in instrument, mixed liquor is made in oscillation 120min under conditions of frequency is 38kHz, logical with the rate of 80mL/min into mixed liquor
Enter hydrogen reaction 80min and reducing solution is made, filter residue is obtained by filtration in reducing solution, cleans filter residue 5 with the hydrochloric acid that mass fraction is 18%
It is secondary to be placed in baking oven, it is dried under conditions of temperature is 120 DEG C and desciccate is made.
The preparation of enzymolysis product:
According to parts by weight, 9 parts of above-mentioned desciccates, 5 parts of tetraethyl orthosilicates, 13 parts of rice husks and 18 parts of dehydrated alcohols are weighed to throw
Enter in reaction kettle, 80min is mixed with the revolving speed of 650r/min with blender, mix products are made, 0.6 part is added into kettle
Cellulase increases temperature in the kettle to 40 DEG C, continues to stir the obtained enzymolysis product of 4h.
The preparation of sieving:
2 times of enzymolysis product quality of deionized water is added into reaction kettle, temperature in the kettle is increased to 280 DEG C, is filled with nitrogen liter
Air pressure seals reaction kettle, constant temperature and pressure reacts 80min, filter cake is obtained by filtration after reaction, filter cake is put into 1.8MPa in high kettle
5h is ground with the revolving speed of 500r/min in planetary ball mill, sieves with 100 mesh sieve to obtain sieving.
The preparation of blend:
According to parts by weight, weigh 10 parts of above-mentioned sievings, 24 parts of polyethylene terephthalates, 0.7 part of aluminum oxide,
In 2 parts of phosphorus pentoxide investment blenders, 80min is mixed under conditions of temperature is 150 DEG C, revolving speed is 550r/min and is made altogether
Mixed object.
The preparation of high temperature resistant blister packaging material:
Blends described above is put into double screw extruder, squeezes out and makes under conditions of temperature is 230 DEG C, revolving speed is 80r/min
Grain obtains squeezing out product, will squeeze out product and pours into mold, mold is placed in hot press, is 20MPa, temperature in compacting pressure
50min is suppressed under conditions of being 150 DEG C, high temperature resistant blister packaging material is made in the cooled to room temperature that discharges after compacting.
Comparative example 1: it is essentially identical with the preparation method of embodiment 1, it has only the difference is that desciccate is not added.
Comparative example 2: it is essentially identical with the preparation method of embodiment 2, it has only the difference is that sieving is not added.
Comparative example 3: the blister packaging material of Guangdong company production.To high temperature resistant blister packaging material produced by the present invention
Blister packaging material in material and comparative example carries out performance detection, and testing result is as shown in table 1:
Test method:
High temperature resistance test
It is tested using thermal decomposition temperature tester.
Measuring mechanical property
It is tested by the way of test product elongation at break and tensile strength.
Elongation at break test
The extended length of sample at this time is measured, is removed until sample fracture using along the axial at the uniform velocity application static stretch load of style
In a manner of sample marking distance.
Tensile strength test
It is placed in Uniform Tension in testing machine using by product, until being stretched to product yield point, the length after stretching is measured and removes
In such a way that original length obtains percent value.
1 performance measurement result of table
| Test item | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Thermal decomposition temperature (DEG C) | 223 | 225 | 230 | 143 | 125 | 164 |
| Elongation at break (%) | 471 | 474 | 480 | 435 | 427 | 446 |
| Tensile strength (%) | 114.9 | 117.5 | 121.8 | 108.3 | 96.1 | 97.9 |
The excellent, mechanicalness according to the high temperature resistance of above-mentioned detection data high temperature resistant blister packaging material produced by the present invention
Can be good, it has broad application prospects.
Claims (8)
1. a kind of preparation method of high temperature resistant blister packaging material, it is characterised in that specific preparation step are as follows:
Blend is put into double screw extruder, is squeezed under conditions of temperature is 210~230 DEG C, revolving speed is 70~80r/min
Out be granulated obtain squeeze out product, by squeeze out product pour into mold, mold is placed in hot press, compacting pressure be 18~
20MPa, temperature suppress 40~50min under conditions of being 140~150 DEG C, and resistance to height is made in the cooled to room temperature that discharges after compacting
Warm blister packaging material；
The specific preparation step of the blend are as follows:
(1) weigh in desciccate, tetraethyl orthosilicate, rice husk and dehydrated alcohol investment reaction kettle, with blender with 600~
The revolving speed of 650r/min is mixed 60~80min and mix products is made, and cellulase is added into reaction kettle, increases temperature in kettle
Degree continues 3~4h of stirring and enzymolysis product is made to 35~40 DEG C；
(2) deionized water is added into reaction kettle, temperature in the kettle is increased, be filled with nitrogen increase in kettle air pressure to 1.5~
1.8MPa, seals reaction kettle, and constant temperature and pressure reacts 60~80min, filter cake is obtained by filtration after reaction, filter cake is put into planetary ball mill
3~5h is ground with the revolving speed of 400~500r/min in machine, sieves with 100 mesh sieve to obtain sieving；
(3) it weighs sieving, polyethylene terephthalate, aluminum oxide, phosphorus pentoxide to put into blender, in temperature
Blend is made in 60~80min of mixing under conditions of degree is 140~150 DEG C, revolving speed is 500~550r/min；
The specific preparation step of the desciccate are as follows:
(1) sulfuric acid solution that graphite powder and mass fraction are 80~90% is put into beaker, is placed the beaker in ice-water bath, used
Blender is mixed 40~60min with the revolving speed of 500~550r/min and obtains suspension, and potassium permanganate powder is added into beaker
End increases bath temperature to 35~40 DEG C, filter residue is obtained by filtration after continuing 30~40min of stirring；
(2) hydrogen peroxide that filter residue and mass fraction are 20~24% is put into beaker, is placed the beaker in sonic oscillation instrument,
Mixed liquor is made in 100~120min of oscillation under conditions of frequency is 35~38kHz, into mixed liquor with the speed of 50~80mL/min
Rate is passed through hydrogen and reacts the obtained reducing solution of 60~80min, and filter residue is obtained by filtration in reducing solution, is 15~18% with mass fraction
Hydrochloric acid is cleaned filter residue 3~5 times and is placed in baking oven, dries under conditions of temperature is 105~120 DEG C and desciccate is made.
2. a kind of preparation method of high temperature resistant blister packaging material according to claim 1, it is characterised in that: preferably press
Parts by weight meter, the desciccate is 7~9 parts, tetraethyl orthosilicate is 3~5 parts, rice husk is 11~13 parts, anhydrous second
Alcohol is 15~18 parts, and cellulase is 0.3~0.6 part.
3. a kind of preparation method of high temperature resistant blister packaging material according to claim 1, it is characterised in that: blend
The quality for the deionized water being added described in specific preparation step (2) into reaction kettle is 1~2 times of enzymolysis product quality.
4. a kind of preparation method of high temperature resistant blister packaging material according to claim 1, it is characterised in that: blend
Reactor temperature described in specific preparation step (2) is increased to 250~280 DEG C.
5. a kind of preparation method of high temperature resistant blister packaging material according to claim 1, it is characterised in that: blend
In specific preparation step (3) preferably according to parts by weight, the sieving is 8~10 parts, polyethylene terephthalate
Ester is 20~24 parts, aluminum oxide is 0.5~0.7 part, phosphorus pentoxide is 1~2 part.
6. a kind of preparation method of high temperature resistant blister packaging material according to claim 1, it is characterised in that: desciccate
Specific preparation step (1) described in graphite powder and mass fraction be 80~90% the mass ratio of sulfuric acid solution be 1:10.
7. a kind of preparation method of high temperature resistant blister packaging material according to claim 1, it is characterised in that: desciccate
Specific preparation step (1) described in the quality of potassium permanganate powder that is added into beaker be the 5~8% of suspension quality.
8. a kind of preparation method of high temperature resistant blister packaging material according to claim 1, it is characterised in that: desciccate
Specific preparation step (2) described in filter residue and mass fraction be 20~24% the mass ratio of hydrogen peroxide be 1:10.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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