CN109836663A - A kind of cold chain ice chest and its preparation process - Google Patents
A kind of cold chain ice chest and its preparation process Download PDFInfo
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Abstract
The invention discloses a kind of cold chain ice chest and its preparation processes, are related to ice chest technical field, solve the problem for causing its whole service life bad because ice chest is easy to happen aging in use.It includes the component of following parts by weight: 70~80 parts of high density polyethylene (HDPE)；10~15 parts of maleic anhydride grafted polyethylene；1.5~2 parts of alumina silicate fibre；2~5 parts of Fanglun slurry cake；1.2~1.6 parts of phthalic acid ester；0.5~0.9 part of wollastonite in powder；0.2~0.3 part of polyethylene glycol；2.5~4 parts of phosphite ester；0.5~1.2 part of heat stabilizer；0.4~0.8 part of light stabilizer.Cold chain ice chest in the present invention is not susceptible to aging in use, and has longer service life.
Description
Technical field
The present invention relates to ice chest technical fields, more specifically, it relates to a kind of cold chain ice chest and its preparation process.
Background technique
The shell of ice chest is plastic material, and the inside is equipped with refrigerant, selects new and high technology biomaterial to be formulated, completely
Nontoxic, cold insulation performance is fabulous, can Reusability.
Ice chest when in use, unscrews ice raft outer cover, acts ice raft inner cover；It is packed at tap water to water level line, in addition ice raft
Box internal plug rotates ice chest outer cover, until aqueous solution inside does not leak outside when shaking, being inverted.Both hands hold ice chest two sides, firmly shake
Dynamic ice chest, comes into full contact with the cold-storage material being pre-placed in aqueous solution and ice chest, until jelly.Ice chest before use, need to-
It continuously freezes in 18 DEG C to -35 DEG C environment at least 24 hours or more, until the cold-storage material in ice raft freezes completely, is using
When, it should balance 30 minutes in 2~8 DEG C of environment, after waiting the frost on ice rafts surface to melt, then be put into incubator rapidly.
But ice chest is easy the variation by temperature and illumination, is easy to produce deformation, and using during reuse
It is easy to happen aging in the process, causes its overall structural strength to generate reduction, and be easy to happen breakage when being collided, it is whole
Service life is told somebody what one's real intentions are, it is, therefore, desirable to provide a kind of new scheme solves the above problems.
Summary of the invention
For because ice chest is easy to happen aging in use, causing its whole service life bad in the prior art
Problem, the purpose of the present invention one is to provide a kind of cold chain ice chest, by making phosphite ester and Fanglun slurry cake when being used in mixed way
Good compounding effect can be played, to solve the above technical problems, be not susceptible to aging in use, and have compared with
Long service life.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of cold chain ice chest, the component including following parts by weight:
70~80 parts of high density polyethylene (HDPE)；
10~15 parts of maleic anhydride grafted polyethylene；
1.5~2 parts of alumina silicate fibre；
2~5 parts of Fanglun slurry cake；
1.2~1.6 parts of phthalic acid ester；
0.5~0.9 part of wollastonite in powder；
0.2~0.3 part of polyethylene glycol；
2.5~4 parts of phosphite ester；
0.5~1.2 part of heat stabilizer；
0.4~0.8 part of light stabilizer.
By using above-mentioned technical proposal, high density polyethylene (HDPE) has good wearability, electrical insulating property, toughness and resists cold
Property, and chemical stability is good, at room temperature, does not dissolve in any organic solvent, is capable of the corruption of acid and alkali resistance and various salts
Erosion, and maleic anhydride grafted polyethylene not only has good workability and a temperature tolerance, also with maleic anhydride polar molecule can
Reactivity and highly polar again, and when high density polyethylene (HDPE) and maleic anhydride grafted polyethylene are used in mixed way, cold chain ice chest can be made
With good stability.Alumina silicate fibre has intensity height, good toughness, chemical-resistant and the good characteristic of microbial resistance,
As a kind of good filler material, it can make cold chain ice chest that there is good intensity and toughness, and when by greater impact not
Breakage easily occurs, and with good service life.
Phosphite ester is a kind of novel organosilane ester phosphorus-containing antioxidant, thermal stability with higher itself, weatherability and
Processing stability keeps cold chain ice chest with good stability in use, and is not susceptible to aging.Fanglun slurry cake is pair
Aramid fiber obtain after surface fibrillation processing, and surface area is big, can well with other materials associativities, greatly
The binding force improved between each component raw material, be conducive to improve cold chain ice chest overall quality.Meanwhile the resistance to height of Fanglun slurry cake
Temperature, corrosion resistance and creep resistant relaxation property when being used in mixed way with phosphite ester, can play good compound synergic and make
With greatly improving the anti-aging property of cold chain ice chest.
Wollastonite in powder is a kind of good reinforcing agent and filler, can be improved the structural strength of cold chain ice chest entirety.It is adjacent
Phthalic acid ester is a kind of good plasticizer, to reduce the melting viscosity of cold chain ice chest, the bullet of glass transition temperature and elastomer
Property modulus, is improved the overall structural strength of cold chain ice chest and anti-aging property.Polyethylene glycol is a kind of good dispersion
Agent is conducive to be sufficiently mixed each component raw material, and light stabilizer and heat stabilizer can be improved the temperature tolerance of cold chain ice chest entirety
With light shine, greatly improve the stability of cold chain ice chest in use.
Further preferably, the sericite that parts by weight are 0.8~1.4 part is additionally added in the component of the cold chain ice chest
Powder.
By using above-mentioned technical proposal, sericite belongs to monoclinic crystal, and crystal is flakey, has good wear resistence
And wearability, and high temperature insulation is good, and cold chain ice chest is made to be not susceptible to crack in use.Meanwhile the sericite of sheet
Powder has crystal polarisation effect, and the optical interference effect with the interlayer crystallization water, there is strong absorption and shielding to make ultraviolet light
With making cold chain ice chest be not susceptible to aging under light illumination, improve the service life of cold chain ice chest.
Further preferably, the function that parts by weight are 1.5~3 parts is additionally added in the component of the cold chain ice chest to help
Agent, function additive mainly include polyamide wax and vinyltrimethoxysilane, and polyamide wax and vinyl trimethoxy silicon
The weight fraction ratio of alkane is 1:(0.6~0.8).
By using above-mentioned technical proposal, polyamide wax is a kind of good anti-settling agent, can not only improve cold chain ice
The compactness of box entirety, additionally it is possible to prevent wollastonite in powder and Fanglun slurry cake from generating sedimentation in cold chain ice chest, make each component raw material
Between can be sufficiently mixed.And vinyltrimethoxysilane is a kind of good silane coupling agent, it can be with wollastonite in powder
Between generate chemisorption, and can reduce wollastonite in powder surface can, and make between each component raw material have good associativity,
And then the structural strength and toughness of cold chain ice chest entirety are improved, and with good stability in use.
Further preferably, the nanometer that parts by weight are 0.6~1.2 part is additionally added in the component of the cold chain ice chest to fill out
Feed composition, nanofiller composition mainly include nanometer calcium carbonate and nano zine oxide, and nanometer calcium carbonate and nano oxidized
The weight fraction ratio of zinc is 1:(1.2~1.5).
By using above-mentioned technical proposal, nanometer calcium carbonate has cold chain ice chest excellent transparent as good filler
Property, and its surface has fabulous gloss.Nano zine oxide has the ability of good absorption and scatters ultraviolet, is filled in
In cold chain ice chest, it can make cold chain ice chest that there is photochemical effect and preferably cover imparted energy.Meanwhile nanometer calcium carbonate
There is good compatibility between nano zine oxide and other each component raw materials, the whole strong of cold chain ice chest can not only be improved
Degree, moreover it is possible to make cold chain ice chest that there is good antibacterial, mould proof and weather resistance, and then mention the service life of cold chain ice chest significantly
It is high.
Further preferably, the heat stabilizer selects tribasic lead sulfate, calcium stearate, 2 ethyl hexanoic acid sodium and benzene
One of formic acid is a variety of.
By using above-mentioned technical proposal, heat stabilizer can replace active atom present in macromolecular chain, be captured from by
Base, obtains stable chemical bond, reduces a possibility that causing dehydrochlorination reaction, can rapidly with the hydrogen chloride knot that splits away off
It closes, to inhibit its autocatalysis.Heat stabilizer can eliminate the initiation source of thermal degradation in cold chain ice chest, make cold chain ice chest
It is not susceptible to aging in use, and there is good structural strength in use.
Further preferably, the light stabilizer selects 2,4-DihydroxyBenzophenone, 2- hydroxyl -4- methoxyl group hexichol first
One of ketone and 2-hydroxy-4-n-octoxybenzophenone are a variety of.
By using above-mentioned technical proposal, light stabilizer can be shielded, reflect ultraviolet light or absorb ultraviolet light and by its turn
Turn to harmless thermal energy, the excitation state of the molecule or group that are excited by ultraviolet light can be quenched, it is made to be returned to ground state, and exclude or
Slow down a possibility that photoredox reaction occurs, moreover it is possible to exclude or slow down photochemical reaction possibility, prevent or postpone light
The process of aging mentions the use of the cold chain ice chest stable service life significantly to achieve the purpose that extend cold chain ice chest service life
It is high.
The purpose of the present invention two is to provide a kind of preparation process of cold chain ice chest, using the cold chain ice chest of this method preparation
It is not susceptible to aging in use, and there is longer service life.
To achieve the above object two, the present invention provides following technical solutions, comprising the following steps:
The high density polyethylene (HDPE), maleic anhydride grafted polyethylene and phosphite ester of corresponding parts by weight are put into reaction by step 1
Constant temperature is carried out in kettle to be stirred；
Step 2 adds the Fanglun slurry cake and alumina silicate fibre of corresponding parts by weight, carries out constant temperature and is stirred；
Step 3 adds the wollastonite in powder, phthalic acid ester and polyethylene glycol of corresponding parts by weight, and it is mixed to carry out constant temperature stirring
It closes, obtains mixing；
The heat stabilizer and light stabilizer of corresponding parts by weight are added in mixing, and is mixed with roll squeezer for step 4
Refining, obtains mixture；
Step 5 pours into mixture in mold, carries out water cooling solidification, pours into cold-storage material, cold chain ice chest can be obtained.
By using above-mentioned technical proposal, be conducive to be sufficiently mixed each component raw material, mixture obtained is made to exist
After water cooling solidification, internal Fanglun slurry cake and phosphite ester can play good compounding effect, and have between each component raw material
Good associativity, and there is good dispersibility, make cold chain that there is good anti-aging property and higher structural strength.Together
When, this preparation process is easy to operate, manufacturing cycle is shorter, when producing cold chain ice chest, and production efficiency with higher.
Further preferably, the Fanglun slurry cake is modified processing, and modification specifically comprises the following steps:
The Fanglun slurry cake of corresponding parts by weight is first put into immersion treatment in acetone soln and for a period of time, is rushed with deionized water by S1
It washes rear spare；
S2, then Fanglun slurry cake is put into hydrochloric acid solution, immersion treatment is taken out afterwards for a period of time dries, and is then placed in dopamine
In solution, immersion treatment is taken out afterwards for a period of time, spare after finally being rinsed with deionized water；
Fanglun slurry cake is finally put into vulcanization nickel solution by S3, and immersion treatment is taken out afterwards for a period of time, then is rushed with deionized water
After washing, puts it into drying box and dry to constant weight, modifying aramid fiber pulp can be obtained.
By using above-mentioned technical proposal, dopamine is modified the surface of Fanglun slurry cake, and nickel sulfide is made to be easy grafting
It is adsorbed on the surface of Fanglun slurry cake, and nickel sulfide is Fanglun slurry cake can be made to exist with the substance for the special nature that expands with cold and contracts with heat
Filling is with good stability when using, and plays more good compounding effect with phosphite ester, substantially increases cold chain
The anti-aging property of ice chest.Meanwhile the integral strength of modified Fanglun slurry cake increases, and has between other each component raw materials
There is good associativity, is improved the structural strength of cold chain ice chest.
In conclusion compared with prior art, the invention has the following advantages:
(1) phosphite ester and Fanglun slurry cake is added, cold chain ice chest can be made with good stability in use, and not
Aging easily occurs.Meanwhile Fanglun slurry cake is added, the binding force between each component raw material is not only increased, is conducive to improve cold chain ice
The overall quality of box can also play the role of good compound synergic with phosphite ester, keep the anti-aging property of cold chain ice chest big
It is big to improve；
(2) sericite in powder is added, because the sericite in powder of sheet has crystal polarisation effect, and is imitated with the interference of light of the interlayer crystallization water
It answers, there is strong absorption and shielding action to ultraviolet light, so that cold chain ice chest is not susceptible to aging under light illumination, improve cold chain
The service life of ice chest；
(3) processing is modified to Fanglun slurry cake, Fanglun slurry cake can not only be made with good stability when filling use,
Fanglun slurry cake can also be made more excellent to the improvement effect of cold chain ice chest ageing resistance, and modified Fanglun slurry cake and phosphorous acid
Ester plays more good compounding effect, substantially increases the anti-aging property of cold chain ice chest.
Detailed description of the invention
Fig. 1 is the preparation technology flow chart of cold chain ice chest in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment 1: a kind of cold chain ice chest, each component and its corresponding parts by weight are as shown in table 1, and as follows
It prepares:
The high density polyethylene (HDPE), maleic anhydride grafted polyethylene and phosphite ester of corresponding parts by weight are put into reaction by step 1
Constant temperature stirring, mixing speed 800rpm, mixing time 20min are carried out in kettle, temperature maintains 80 DEG C；
Step 2 adds the Fanglun slurry cake and alumina silicate fibre of corresponding parts by weight, carries out constant temperature stirring, and mixing speed is
400rpm, mixing time 15min, temperature maintain 50 DEG C；
Step 3 adds the wollastonite in powder, phthalic acid ester and polyethylene glycol of corresponding parts by weight, carries out constant temperature stirring,
Mixing speed is 600rpm, mixing time 15min, and temperature maintains 30 DEG C, obtains mixing；
Step 4, is added the calcium stearate and 2,4-DihydroxyBenzophenone of corresponding parts by weight in mixing, and uses roll squeezer
It is kneaded 15min, the temperature of mixing is 110 DEG C, obtains mixture；
Step 5 pours into mixture in mold, carries out water cooling solidification, pours into cold-storage material, cold chain ice chest can be obtained.
Note: in above-mentioned steps, the molecular weight of high density polyethylene (HDPE) is 35000, cold-storage material purchased from congratulate step new energy science and technology (on
Sea) Co., Ltd, trade mark HM-S16.
Embodiment 2-8: a kind of cold chain ice chest, difference from example 1 is that, each component and its corresponding parts by weight
Number is as shown in table 1.
Each component and its parts by weight in 1 embodiment 1-8 of table
Embodiment 9: a kind of cold chain ice chest, difference from example 1 is that, the Fanglun slurry cake is modified processing, and
Modification specifically comprises the following steps:
The Fanglun slurry cake of corresponding parts by weight is first put into immersion treatment 5min in the acetone soln that mass fraction is 65% by S1
After take out, with deionized water rinse three times after it is spare；
S2, then Fanglun slurry cake is put into the hydrochloric acid solution that mass concentration is 1g/L after immersion treatment 10 and is taken out, it is then placed in
Mass concentration is to take out after immersion treatment 18h in the dopamine solution of 2g/L, spare after finally being rinsed three times with deionized water；
S3, it is to take out, use after immersion treatment 50min in 25% vulcanization nickel solution that Fanglun slurry cake, which is finally put into mass fraction,
It after deionized water is rinsed three times, then puts it into drying box and dries to constant weight, modifying aramid fiber pulp can be obtained.
Embodiment 10: a kind of cold chain ice chest, difference from example 1 is that, step 3 specifically comprises the following steps,
Adding corresponding parts by weight is 0.5 part of wollastonite in powder, 0.8 part of sericite in powder, 1.6 parts of phthalic acid ester and 0.3
The polyethylene glycol of part, carries out constant temperature stirring, mixing speed 600rpm, mixing time 15min, and temperature maintains 30 DEG C, obtains
To mixing.
Embodiment 11: a kind of cold chain ice chest, difference from example 1 is that, step 3 specifically comprises the following steps,
Adding corresponding parts by weight is 0.5 part of wollastonite in powder, 1.4 parts of sericite in powder, 1.6 parts of phthalic acid ester and 0.3
The polyethylene glycol of part, carries out constant temperature stirring, mixing speed 600rpm, mixing time 15min, and temperature maintains 30 DEG C, obtains
To mixing.
Embodiment 12: a kind of cold chain ice chest, difference from example 1 is that, step 3 specifically comprises the following steps,
Adding corresponding parts by weight is 0.5 part of wollastonite in powder, 1.1 parts of sericite in powder, 1.6 parts of phthalic acid ester and 0.3
The polyethylene glycol of part, carries out constant temperature stirring, mixing speed 600rpm, mixing time 15min, and temperature maintains 30 DEG C, obtains
To mixing.
Embodiment 13: a kind of cold chain ice chest, difference from example 1 is that, step 2 specifically comprises the following steps,
Adding corresponding parts by weight is 2 parts of Fanglun slurry cake, 1.5 parts of 1.5 parts of aluminium silicate fiber peacekeeping of function additive, function additive
It is made of polyamide wax and vinyltrimethoxysilane, and the weight fraction ratio of polyamide wax and vinyltrimethoxysilane
For 1:0.6, constant temperature stirring, mixing speed 400rpm, mixing time 15min are carried out, temperature maintains 50 DEG C.
Embodiment 14: a kind of cold chain ice chest, difference from example 1 is that, step 2 specifically comprises the following steps,
Add corresponding parts by weight be 2 parts of Fanglun slurry cake, 1.5 parts of 3 parts of aluminium silicate fiber peacekeeping of function additive, function additive by
Polyamide wax and vinyltrimethoxysilane composition, and the weight fraction ratio of polyamide wax and vinyltrimethoxysilane is
1:0.7, carries out constant temperature stirring, mixing speed 400rpm, mixing time 15min, and temperature maintains 50 DEG C.
Embodiment 15: a kind of cold chain ice chest, difference from example 1 is that, step 2 specifically comprises the following steps,
Adding corresponding parts by weight is 2 parts of Fanglun slurry cake, 1.5 parts of 2.25 parts of aluminium silicate fiber peacekeeping of function additive, and function helps
Agent is made of polyamide wax and vinyltrimethoxysilane, and the parts by weight of polyamide wax and vinyltrimethoxysilane
Than for 1:0.8, carrying out constant temperature stirring, mixing speed 400rpm, mixing time 15min, temperature maintains 50 DEG C.
Embodiment 16: a kind of cold chain ice chest, difference from example 1 is that, step 3 specifically comprises the following steps,
Adding corresponding parts by weight is 0.5 part of wollastonite in powder, 0.6 part of nanofiller composition, 1.6 parts of phthalic acid ester
With 0.3 part of polyethylene glycol, nanofiller composition is made of nanometer calcium carbonate and nano zine oxide, and nanometer calcium carbonate and is received
The weight fraction ratio of rice zinc oxide is 1:1.2, carries out constant temperature stirring, mixing speed 600rpm, mixing time 15min, temperature
Degree maintains 30 DEG C, obtains mixing.
Embodiment 17: a kind of cold chain ice chest, difference from example 1 is that, step 3 specifically comprises the following steps,
Adding corresponding parts by weight is 0.5 part of wollastonite in powder, 1.2 parts of nanofiller composition, 1.6 parts of phthalic acid ester
With 0.3 part of polyethylene glycol, nanofiller composition is made of nanometer calcium carbonate and nano zine oxide, and nanometer calcium carbonate and is received
The weight fraction ratio of rice zinc oxide is 1:1.35, carries out constant temperature stirring, mixing speed 600rpm, mixing time 15min, temperature
Degree maintains 30 DEG C, obtains mixing.
Embodiment 18: a kind of cold chain ice chest, difference from example 1 is that, step 3 specifically comprises the following steps,
Adding corresponding parts by weight is 0.5 part of wollastonite in powder, 0.9 part of nanofiller composition, 1.6 parts of phthalic acid ester
With 0.3 part of polyethylene glycol, nanofiller composition is made of nanometer calcium carbonate and nano zine oxide, and nanometer calcium carbonate and is received
The weight fraction ratio of rice zinc oxide is 1:1.5, carries out constant temperature stirring, mixing speed 600rpm, mixing time 15min, temperature
Degree maintains 30 DEG C, obtains mixing.
Embodiment 19: a kind of cold chain ice chest, difference from example 1 is that, step 4 specifically comprises the following steps,
It is 0.5 part of 2 ethyl hexanoic acid sodium and 0.8 part of 2,4-DihydroxyBenzophenone that corresponding parts by weight are added in mixing, is used in combination
Roll squeezer is kneaded 15min, and the temperature of mixing is 110 DEG C, obtains mixture.
Embodiment 20: a kind of cold chain ice chest, difference from example 1 is that, step 4 specifically comprises the following steps,
It is 0.3 part of benzoic acid, 0.2 part of calcium stearate and 0.8 part of 2,4- dihydroxy two that corresponding parts by weight are added in mixing
Benzophenone, and it is kneaded 15min with roll squeezer, the temperature of mixing is 110 DEG C, obtains mixture.
Embodiment 21: a kind of cold chain ice chest, difference from example 1 is that, step 4 specifically comprises the following steps,
Corresponding parts by weight are added in mixing as 0.5 part of calcium stearate and 0.8 part of ESCALOL 567, and
It is kneaded 15min with roll squeezer, the temperature of mixing is 110 DEG C, obtains mixture.
Embodiment 22: a kind of cold chain ice chest, difference from example 1 is that, step 4 specifically comprises the following steps,
It is 0.5 part of calcium stearate, 0.4 part of ESCALOL 567 and 0.4 that corresponding parts by weight are added in mixing
The 2-hydroxy-4-n-octoxybenzophenone of part, and it is kneaded 15min with roll squeezer, the temperature of mixing is 110 DEG C, is kneaded
Object.
Comparative example 1: a kind of cold chain ice chest, difference from example 1 is that, step 1 specifically comprises the following steps,
The high density polyethylene (HDPE) of corresponding parts by weight and maleic anhydride grafted polyethylene are put into progress constant temperature stirring in reaction kettle, stirring
Speed is 800rpm, mixing time 20min, and temperature maintains 80 DEG C.
Comparative example 2: a kind of cold chain ice chest, difference from example 1 is that, step 2 specifically comprises the following steps,
It adds the alumina silicate fibre of corresponding parts by weight, carries out constant temperature stirring, mixing speed 400rpm, mixing time 15min,
Temperature maintains 50 DEG C.
Comparative example 3: a kind of cold chain ice chest, the difference is that, step 2 specifically comprises the following steps with comparative example 1,
It adds the alumina silicate fibre of corresponding parts by weight, carries out constant temperature stirring, mixing speed 400rpm, mixing time 15min,
Temperature maintains 50 DEG C.
Low temperature aging performance test sample: using the cold chain ice chest obtained in embodiment 1-22 as test specimen 1-
22, using the cold chain ice chest obtained in comparative example 1-3 as control sample 1-3.
Test method: 10 samples are respectively chosen from test specimen 1-22 and control sample 1-3 respectively, to sample system
It is standby, it is carried out by the regulation in GB/T7141-2008 " plastic ageing test method ".It hands in the chamber of side in high/low temperature and places respectively
Sample in each sample sets heating rate as 2 DEG C/min, sets rate of temperature fall as 1 DEG C/min, temperature inversion range is -5
DEG C~25 DEG C of each samples of measurement in sample invalidation period, and record.
Test result: the test result of test specimen 1-22 and control sample 1-3 are as shown in table 2.As shown in Table 2, by trying
The test result control for testing sample 1-8 and control sample 1-3 can obtain, and phosphate and Fanglun slurry cake can be such that cold chain ice chest is using
It is with good stability in the process, and when it is used in mixed way, greatly improve the low temperature anti-aging property of cold chain ice chest.By trying
The test result control for testing sample 1-8 and test specimen 9 can obtain, and be modified processing to Fanglun slurry cake, can substantially increase cold
The anti-aging property of chain ice chest.It can be obtained by the control of the test result of test specimen 1-8 and test specimen 10-12, sericite in powder can
To improve the anti-aging property of cold chain ice chest.It can be obtained, be added by the control of the test result of test specimen 1-8 and test specimen 13-15
Enter polyamide wax and vinyltrimethoxysilane can be improved the anti-aging property of cold chain ice chest.By test specimen 1-8 and examination
The test result control for testing sample 16-18 can obtain, and addition is combined by the nanofiller that nanometer calcium carbonate and nano zine oxide form
Object can be such that the anti-aging property of cold chain ice chest improves.It is compareed by the test result of test specimen 1-8 and test specimen 19-22
It can obtain, heat stabilizer and light stabilizer disclosed in this invention are suitable for the preparation of cold chain ice chest.
The test result of table 2 test specimen 1-22 and control sample 1-3
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of cold chain ice chest, which is characterized in that the component including following parts by weight:
70~80 parts of high density polyethylene (HDPE)；
10~15 parts of maleic anhydride grafted polyethylene；
1.5~2 parts of alumina silicate fibre；
2~5 parts of Fanglun slurry cake；
1.2~1.6 parts of phthalic acid ester；
0.5~0.9 part of wollastonite in powder；
0.2~0.3 part of polyethylene glycol；
2.5~4 parts of phosphite ester；
0.5~1.2 part of heat stabilizer；
0.4~0.8 part of light stabilizer.
2. cold chain ice chest according to claim 1, which is characterized in that be additionally added weight in the component of the cold chain ice chest
The sericite in powder that number is 0.8~1.4 part.
3. cold chain ice chest according to claim 1, which is characterized in that be additionally added weight in the component of the cold chain ice chest
Number is 1.5~3 parts of function additive, and function additive mainly includes polyamide wax and vinyltrimethoxysilane, and polyamides
The weight fraction ratio of amine wax and vinyltrimethoxysilane is 1:(0.6~0.8).
4. cold chain ice chest according to claim 1, which is characterized in that be additionally added weight in the component of the cold chain ice chest
Number is 0.6~1.2 part of nanofiller composition, and nanofiller composition mainly includes nanometer calcium carbonate and nano oxidized
Zinc, and the weight fraction ratio of nanometer calcium carbonate and nano zine oxide is 1:(1.2~1.5).
5. cold chain ice chest according to claim 1, which is characterized in that the heat stabilizer selection tribasic lead sulfate,
One of calcium stearate, 2 ethyl hexanoic acid sodium and benzoic acid are a variety of.
6. cold chain ice chest according to claim 1, which is characterized in that the light stabilizer selects 2,4- dihydroxy hexichol first
One of ketone, ESCALOL 567 and 2-hydroxy-4-n-octoxybenzophenone are a variety of.
7. a kind of preparation process of cold chain ice chest as described in claim 1, which comprises the following steps:
The high density polyethylene (HDPE), maleic anhydride grafted polyethylene and phosphite ester of corresponding parts by weight are put into reaction by step 1
Constant temperature is carried out in kettle to be stirred；
Step 2 adds the Fanglun slurry cake and alumina silicate fibre of corresponding parts by weight, carries out constant temperature and is stirred；
Step 3 adds the wollastonite in powder, phthalic acid ester and polyethylene glycol of corresponding parts by weight, and it is mixed to carry out constant temperature stirring
It closes, obtains mixing；
The heat stabilizer and light stabilizer of corresponding parts by weight are added in mixing, and is mixed with roll squeezer for step 4
Refining, obtains mixture；
Step 5 pours into mixture in mold, carries out water cooling solidification, pours into cold-storage material, cold chain ice chest can be obtained.
8. the preparation process of cold chain ice chest according to claim 7, which is characterized in that the Fanglun slurry cake is modified place
Reason, and modification specifically comprises the following steps:
The Fanglun slurry cake of corresponding parts by weight is first put into immersion treatment in acetone soln and for a period of time, is rushed with deionized water by S1
It washes rear spare；
S2, then Fanglun slurry cake is put into hydrochloric acid solution, immersion treatment is taken out afterwards for a period of time dries, and is then placed in dopamine
In solution, immersion treatment is taken out afterwards for a period of time, spare after finally being rinsed with deionized water；
Fanglun slurry cake is finally put into vulcanization nickel solution by S3, and immersion treatment is taken out afterwards for a period of time, then is rushed with deionized water
After washing, puts it into drying box and dry to constant weight, modifying aramid fiber pulp can be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057567.5A CN109836663B (en) | 2019-01-22 | 2019-01-22 | Cold chain ice box and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057567.5A CN109836663B (en) | 2019-01-22 | 2019-01-22 | Cold chain ice box and preparation process thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN109836663A true CN109836663A (en) | 2019-06-04 |
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Citations (5)
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| US6440509B1 (en) * | 1999-07-16 | 2002-08-27 | Fort James Corporation | Compartmented disposable plate with asymmetric rib geometry |
| CN103160116A (en) * | 2011-12-16 | 2013-06-19 | 合肥杰事杰新材料股份有限公司 | Modified plastics and preparation method thereof |
| CN106279885A (en) * | 2016-08-15 | 2017-01-04 | 桐城市人和包装有限公司 | A kind of flame retardant type plastic package material |
| CN106589922A (en) * | 2016-11-17 | 2017-04-26 | 华南理工大学 | Method for preparing aramid-pulp composite master batches |
| CN109181074A (en) * | 2018-09-14 | 2019-01-11 | 江苏千龙新型材料有限公司 | A kind of preparation process of the antistatic modified hollow spiral tube of high rigidity |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6440509B1 (en) * | 1999-07-16 | 2002-08-27 | Fort James Corporation | Compartmented disposable plate with asymmetric rib geometry |
| CN103160116A (en) * | 2011-12-16 | 2013-06-19 | 合肥杰事杰新材料股份有限公司 | Modified plastics and preparation method thereof |
| CN106279885A (en) * | 2016-08-15 | 2017-01-04 | 桐城市人和包装有限公司 | A kind of flame retardant type plastic package material |
| CN106589922A (en) * | 2016-11-17 | 2017-04-26 | 华南理工大学 | Method for preparing aramid-pulp composite master batches |
| CN109181074A (en) * | 2018-09-14 | 2019-01-11 | 江苏千龙新型材料有限公司 | A kind of preparation process of the antistatic modified hollow spiral tube of high rigidity |
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