CN109881533A - A kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper - Google Patents
A kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper Download PDFInfo
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- CN109881533A CN109881533A CN201910117299.1A CN201910117299A CN109881533A CN 109881533 A CN109881533 A CN 109881533A CN 201910117299 A CN201910117299 A CN 201910117299A CN 109881533 A CN109881533 A CN 109881533A
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Abstract
The present invention discloses a kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper, includes the following steps: to weigh following raw material: 30-50 parts of celluloses, 10-20 parts of gelatin hydrolysates, 3-8 parts of polysaccharases, 3-5 parts of polyacrylic acid, 3-5 parts of crosslinking agents, 3-8 parts of plasticizer；During preparing environment-friendly degradable waterproof aluminium-foil paper, it is aluminized by transfer method, first aluminium foil layer is plated on transfer coatings, later by compound, molding, aluminium foil layer is transferred in base paper by stripping technology means, the bonding of the aluminium foil layer and base paper that are compared with the traditional method the method production is stronger, the performance of aluminium foil layer is also more stable, another layer surface of aluminium foil layer is compounded with one layer of degradable waterproofing membrane, the film is a kind of polysaccharide biological whole degrading film, by cellulose, gelatin hydrolysate, polyacrylic acid is made, the film is biodegradable and free from environmental pollution.
Description
Technical field
The invention belongs to aluminium-foil paper manufacturing field, specially a kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper.
Background technique
The purposes of aluminium-foil paper is very extensive, such as: inflight meal packaging, common carnivorous packaging, cigarette packaging etc..It is related special
Family has divided it into a kind more than 20 according to the difference of its application characteristic.Difference of the country variant due to the level of economic development, aluminium
There is also very big gaps for foil consumption structure.In European and American developed countries, the aluminium foil products for packaging account for the 70% of aggregate demand.?
Chinese market aluminium foil manufactures raw and auxiliary material primarily as industry, and packaging foil only accounts for the 30% of domestic demand total amount.Although aluminium
Foilpac development is later, but market rapid development, prospect are noticeable.
With the fast development of China's tobacco industry, requirement of the cigarette in terms of packaging is also improved rapidly, it is heavy as its
The aluminium-foil paper of component part is wanted also increasingly to be taken seriously, but incident is a large amount of aluminium-foil papers to tight caused by environment
Heavily contaminated.Traditional aluminium-foil paper plates one layer of aluminium foil using vacuum vapour deposition in base paper, but this aluminium-foil paper is not degradable, anti-
It is aqueous poor, easily mouldy, the retention cycle of cigarette can be reduced for packing cigarette case, to reduce the quality of cigarette.
Summary of the invention
In order to overcome above-mentioned technical problem, the present invention provides a kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper.
During preparing environment-friendly degradable waterproof aluminium-foil paper, is aluminized by transfer method, first aluminium foil layer is plated on transfer coatings, it
Aluminium foil layer is transferred in base paper by compound, molding, stripping technology means after afterwards, is compared with the traditional method the method production
Aluminium foil layer and base paper bonding it is stronger, the performance of aluminium foil layer is also more stable；
The purpose of the present invention can be achieved through the following technical solutions:
A kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper, includes the following steps:
Step S1, transfer method is aluminized: transfer coatings is coated in PET film, by vacuum aluminum-coated mode by aluminium foil layer
It is plated on transfer coatings, aluminium foil layer is transferred in base paper by compound, molding, stripping technology means later, in aluminium foil layer
Another degradable waterproofing membrane of surface recombination；
Step S2, following raw material: 30-50 parts of celluloses is weighed, 10-20 parts of gelatin hydrolysates, 3-8 parts of polysaccharases,
3-5 parts of polyacrylic acid, 3-5 parts of crosslinking agents, 3-8 parts of plasticizer；
Step S3, cellulose, gelatin hydrolysate are added in the beaker equipped with deionized water, polysaccharase, 40 DEG C of water-baths is added
45min is heated and stirred, polysaccharide solution is obtained, makees that A liquid is spare, the weight ratio of cellulose and deionized water is 1: 5；
Step S4, polyacrylic acid being mixed with deionized water, 60 DEG C of water-baths dissolve to obtain polyacrylic acid aqueous solution, make B liquid,
Spare, the weight ratio of polyacrylic acid and deionized water is 1: 7；
Step S5, B liquid is poured into A liquid, magnetic agitation is carried out with the revolving speed of 120r/min, friendship is added after stirring 30min
Connection agent and plasticizer obtain mixed liquor, and constant temperature stirring 45min obtains complex colloid at 40 DEG C, are pressed complex colloid with coating machine
3-5 μm in homogeneous thickness is coated on aluminium foil layer surface, obtains degradable waterproofing membrane；
Step S6, then by aluminium-foil paper in 100 DEG C of electric heating constant temperature blast drier dry 20s, then with calender into
Environment-friendly degradable waterproof aluminium-foil paper is made in row press polish.
The present invention prepares degradable waterproofing membrane by cellulose and gelatin hydrolysate, and gelatin hydrolysate is mixtures of polypeptides, with
Gelatin is smaller compared to gelatin hydrolysate relative molecular mass, is not fettered by covalent bond and secondary key in structure, the hydrogen between peptide chain
Key is weaker, and after gelatin hydrolysate gelatin is mixed with cellulose, the small molecule chain in system increases, and macromolecular chain spacing increases, so that
Interaction force between macromolecular chain becomes smaller, and then the freezing point of system reduces, and manufactured degradable waterproofing membrane can be more
Good is compounded in aluminium foil layer surface, and the stability of degradable waterproofing membrane is improved.
Further, the environment-friendly degradable waterproof aluminium-foil paper includes base paper and aluminium foil layer, and the aluminium foil layer passes through transfer
Method is compounded in the surface of base paper.
Further, the transfer coatings are made of following raw material: 5-10 parts of cellulose esters, 8-15 parts of polyethylene
Acid resin, 15-30 parts of dehydrated alcohols, 1-3 parts of tin tetrachlorides, 2-3 parts of acetamides.
Further, which is characterized in that the transfer coatings are made of following steps:
(1) cellulose esters and acid polyethylene resin are added in the three-necked flask equipped with dehydrated alcohol, 50 DEG C of heating water baths,
Tin tetrachloride is added after at the uniform velocity stirring 15min, stirs 15min, mixed liquor is made；
(2) it is transferred in reaction kettle, acetamide is added, control temperature of reaction kettle is 80 DEG C, reacts 2h at this temperature, instead
It is taken out after answering, stands 1h, ultrasonic 2h obtains transfer coatings.
Further, the crosslinking agent is cumyl peroxide, in benzoyl peroxide, di-tert-butyl peroxide
It is one or more of.
Further, the plasticizer is di-n-octyl phthalate, di-sec-octyl phthalate, citric acid front three
One or more of ester.
Further, the multipurpose press ray machine pressure is 100kN/m2, temperature is 90 DEG C.
Beneficial effects of the present invention:
(1) present invention is aluminized, first by aluminium foil layer during preparing environment-friendly degradable waterproof aluminium-foil paper by transfer method
It is plated on transfer coatings, aluminium foil layer is transferred in base paper by compound, molding, stripping technology means later, with tradition
Method is stronger compared to the aluminium foil layer of the method production and the bonding of base paper, and the performance of aluminium foil layer is also more stable；
(2) present invention is compounded with during preparing environment-friendly degradable waterproof aluminium-foil paper in another layer surface of aluminium foil layer
One layer of degradable waterproofing membrane, which is a kind of polysaccharide biological whole degrading film, by cellulose, gelatin hydrolysate, polyacrylic acid
It is made, the film is biodegradable and free from environmental pollution；
(3) present invention by cellulose esters and acid polyethylene resin prepares transfer coatings, using dehydrated alcohol as organic molten
As cosolvent, the transfer coatings of preparation have good removability for agent, tin tetrachloride and acetamide, can with base paper into
Row crosslinking, generates the bonding action of strength, is integrally formed aluminium foil layer with base paper, ensure that the entirety of degradable waterproof aluminium-foil paper
Property, and prepare degradable waterproof aluminium-foil paper have excellent degradability and waterproof performance, be not easy it is mouldy, for packing cigarette case
It is able to ascend the retention cycle of cigarette, to improve the quality of cigarette；
(4) in use, recycling shaft makes aluminium-foil paper after coating to coating machine of the invention in rotating shaft mechanism
Coater face will not be lashed under the influence of centrifugal force, and the aluminium-foil paper after both having prevented coating is damaged, further to coating
Machine is protected.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is coating machine main view；
In figure: 1, rotating shaft mechanism；11, rack；111, the first sprocket wheel；112, the first roller；12, it is coated with shaft；13, coating
Case；14, telescopic rod；15, it is coated with runner；16, the second sprocket wheel；17, connecting rod；18, supporting block；19, fixed plate；2, pedestal machine
Structure；21, pedestal case；22, shaft is recycled；23, driving drum；24, coating machine support leg.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper, includes the following steps:
Step S1, transfer method is aluminized: transfer coatings is coated in PET film, by vacuum aluminum-coated mode by aluminium foil layer
It is plated on transfer coatings, aluminium foil layer is transferred in base paper by compound, molding, stripping technology means later, in aluminium foil layer
Another degradable waterproofing membrane of surface recombination；
Step S2, following raw material: 30 parts of celluloses, 10 parts of gelatin hydrolysates, 3 parts of polysaccharases, 3 parts of polypropylene are weighed
Acid, 3 parts of cumyl peroxides, 3 parts of di-n-octyl phthalates；
Step S3, cellulose, gelatin hydrolysate are added in the beaker equipped with deionized water, polysaccharase, 40 DEG C of water-baths is added
45min is heated and stirred, polysaccharide solution is obtained, makees that A liquid is spare, the weight ratio of cellulose and deionized water is 1: 5；
Step S4, polyacrylic acid being mixed with deionized water, 60 DEG C of water-baths dissolve to obtain polyacrylic acid aqueous solution, make B liquid,
Spare, the weight ratio of polyacrylic acid and deionized water is 1: 7；
Step S5, B liquid is poured into A liquid, magnetic agitation is carried out with the revolving speed of 120r/min, friendship is added after stirring 30min
Connection agent and plasticizer obtain mixed liquor, and constant temperature stirring 45min obtains complex colloid at 40 DEG C, are pressed complex colloid with coating machine
3-5 μm in homogeneous thickness is coated on aluminium foil layer surface, obtains degradable waterproofing membrane；
Step S6, then by aluminium-foil paper in 100 DEG C of electric heating constant temperature blast drier dry 20s, then with calender into
Environment-friendly degradable waterproof aluminium-foil paper is made in row press polish；
The transfer coatings are made of following raw material: 5 parts of cellulose esters, 8 parts of acid polyethylene resins, 15 parts anhydrous
Ethyl alcohol, 1 part of tin tetrachloride, 2 parts of acetamides；
The transfer coatings are made of following steps:
(1) cellulose esters and acid polyethylene resin are added in the three-necked flask equipped with dehydrated alcohol, 50 DEG C of heating water baths,
Tin tetrachloride is added after at the uniform velocity stirring 15min, stirs 15min, mixed liquor is made；
(2) it is transferred in reaction kettle, acetamide is added, control temperature of reaction kettle is 80 DEG C, reacts 2h at this temperature, instead
It is taken out after answering, stands 1h, ultrasonic 2h obtains transfer coatings.
Embodiment 2
A kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper, includes the following steps:
Step S1, transfer method is aluminized: transfer coatings is coated in PET film, by vacuum aluminum-coated mode by aluminium foil layer
It is plated on transfer coatings, aluminium foil layer is transferred in base paper by compound, molding, stripping technology means later, in aluminium foil layer
Another degradable waterproofing membrane of surface recombination；
Step S2, following raw material: 35 parts of celluloses, 12 parts of gelatin hydrolysates, 5 parts of polysaccharases, 4 parts of polypropylene are weighed
Acid, 4 parts of cumyl peroxides, 5 parts of di-n-octyl phthalates；
Step S3, cellulose, gelatin hydrolysate are added in the beaker equipped with deionized water, polysaccharase, 40 DEG C of water-baths is added
45min is heated and stirred, polysaccharide solution is obtained, makees that A liquid is spare, the weight ratio of cellulose and deionized water is 1: 5；
Step S4, polyacrylic acid being mixed with deionized water, 60 DEG C of water-baths dissolve to obtain polyacrylic acid aqueous solution, make B liquid,
Spare, the weight ratio of polyacrylic acid and deionized water is 1: 7；
Step S5, B liquid is poured into A liquid, magnetic agitation is carried out with the revolving speed of 120r/min, friendship is added after stirring 30min
Connection agent and plasticizer obtain mixed liquor, and constant temperature stirring 45min obtains complex colloid at 40 DEG C, are pressed complex colloid with coating machine
3-5 μm in homogeneous thickness is coated on aluminium foil layer surface, obtains degradable waterproofing membrane；
Step S6, then by aluminium-foil paper in 100 DEG C of electric heating constant temperature blast drier dry 20s, then with calender into
Environment-friendly degradable waterproof aluminium-foil paper is made in row press polish.
Embodiment 3
A kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper, includes the following steps:
Step S1, transfer method is aluminized: transfer coatings is coated in PET film, by vacuum aluminum-coated mode by aluminium foil layer
It is plated on transfer coatings, aluminium foil layer is transferred in base paper by compound, molding, stripping technology means later, in aluminium foil layer
Another degradable waterproofing membrane of surface recombination；
Step S2, following raw material: 45 parts of celluloses, 46 parts of gelatin hydrolysates, 6 parts of polysaccharases, 4 parts of polypropylene are weighed
Acid, 4 parts of cumyl peroxides, 6 parts of di-n-octyl phthalates；
Step S3, cellulose, gelatin hydrolysate are added in the beaker equipped with deionized water, polysaccharase, 40 DEG C of water-baths is added
45min is heated and stirred, polysaccharide solution is obtained, makees that A liquid is spare, the weight ratio of cellulose and deionized water is 1: 5；
Step S4, polyacrylic acid being mixed with deionized water, 60 DEG C of water-baths dissolve to obtain polyacrylic acid aqueous solution, make B liquid,
Spare, the weight ratio of polyacrylic acid and deionized water is 1: 7；
Step S5, B liquid is poured into A liquid, magnetic agitation is carried out with the revolving speed of 120r/min, friendship is added after stirring 30min
Connection agent and plasticizer obtain mixed liquor, and constant temperature stirring 45min obtains complex colloid at 40 DEG C, are pressed complex colloid with coating machine
3-5 μm in homogeneous thickness is coated on aluminium foil layer surface, obtains degradable waterproofing membrane；
Step S6, then by aluminium-foil paper in 100 DEG C of electric heating constant temperature blast drier dry 20s, then with calender into
Environment-friendly degradable waterproof aluminium-foil paper is made in row press polish.
Embodiment 4
A kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper, includes the following steps:
Step S1, transfer method is aluminized: transfer coatings is coated in PET film, by vacuum aluminum-coated mode by aluminium foil layer
It is plated on transfer coatings, aluminium foil layer is transferred in base paper by compound, molding, stripping technology means later, in aluminium foil layer
Another degradable waterproofing membrane of surface recombination；
Step S2, following raw material: 50 parts of celluloses, 20 parts of gelatin hydrolysates, 8 parts of polysaccharases, 5 parts of polypropylene are weighed
Acid, 5 parts of cumyl peroxides, 8 parts of di-n-octyl phthalates；
Step S3, cellulose, gelatin hydrolysate are added in the beaker equipped with deionized water, polysaccharase, 40 DEG C of water-baths is added
45min is heated and stirred, polysaccharide solution is obtained, makees that A liquid is spare, the weight ratio of cellulose and deionized water is 1: 5；
Step S4, polyacrylic acid being mixed with deionized water, 60 DEG C of water-baths dissolve to obtain polyacrylic acid aqueous solution, make B liquid,
Spare, the weight ratio of polyacrylic acid and deionized water is 1: 7；
Step S5, B liquid is poured into A liquid, magnetic agitation is carried out with the revolving speed of 120r/min, friendship is added after stirring 30min
Connection agent and plasticizer obtain mixed liquor, and constant temperature stirring 45min obtains complex colloid at 40 DEG C, are pressed complex colloid with coating machine
3-5 μm in homogeneous thickness is coated on aluminium foil layer surface, obtains degradable waterproofing membrane；
Step S6, then by aluminium-foil paper in 100 DEG C of electric heating constant temperature blast drier dry 20s, then with calender into
Environment-friendly degradable waterproof aluminium-foil paper is made in row press polish.
Comparative example 1
This comparative example is substituted for gelatin compared with Example 1, by gelatin hydrolysate, the preparation method is as follows:
A kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper, includes the following steps:
Step S1, transfer method is aluminized: transfer coatings is coated in PET film, by vacuum aluminum-coated mode by aluminium foil layer
It is plated on transfer coatings, aluminium foil layer is transferred in base paper by compound, molding, stripping technology means later, in aluminium foil layer
Another degradable waterproofing membrane of surface recombination；
Step S2, following raw material: 30 parts of celluloses, 10 parts of gelatin, 3 parts of polysaccharases, 3-5 parts of polypropylene are weighed
Acid, 3-5 parts of cumyl peroxides, 3-8 parts of di-n-octyl phthalates；
Step S3, cellulose, gelatin are added in the beaker equipped with deionized water, polysaccharase, 40 DEG C of heating water baths is added
And 45min is stirred, polysaccharide solution is obtained, makees that A liquid is spare, the weight ratio of cellulose and deionized water is 1: 5；
Step S4, polyacrylic acid being mixed with deionized water, 60 DEG C of water-baths dissolve to obtain polyacrylic acid aqueous solution, make B liquid,
Spare, the weight ratio of polyacrylic acid and deionized water is 1: 7；
Step S5, B liquid is poured into A liquid, magnetic agitation is carried out with the revolving speed of 120r/min, friendship is added after stirring 30min
Connection agent and plasticizer obtain mixed liquor, and constant temperature stirring 45min obtains complex colloid at 40 DEG C, are pressed complex colloid with coating machine
3-5 μm in homogeneous thickness is coated on aluminium foil layer surface, obtains degradable waterproofing membrane；
Step S6, then by aluminium-foil paper in 100 DEG C of electric heating constant temperature blast drier dry 20s, then with calender into
Environment-friendly degradable waterproof aluminium-foil paper is made in row press polish.
Comparative example 2
This comparative example is a kind of degradable waterproof aluminium-foil paper in market.
The degradability and waterproofness of the embodiment 1-4 and comparative example 1-2 degradable waterproof aluminium-foil paper prepared are detected,
As a result as shown in following table 1-2；
Degradability:
(1) soil of phase homogenous quantities is poured into 6 beakers of number 1-6；
(2) the 6 of same size is taken out from degradable waterproof aluminium-foil paper prepared by embodiment 1-4 and comparative example 1-2 respectively
Block, and record the weight m of each sample1；
(3) it in corresponding embedment soil, took out, cleans, drying record quality m every 30 days2；
(4) after different number of days sample weight-loss ratio=(m1-m2)/m1；
Table 1: the weight-loss ratio (%) of each sample after different number of days
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 1 | Comparative example 2 | |
| 30 days | 65.7 | 70.5 | 75.3 | 80.6 | 62.7 | 58.3 |
| 60 days | 73.5 | 81.6 | 83.5 | 88.7 | 70.1 | 65.7 |
| 90 days | 86.3 | 90.1 | 91.2 | 93.5 | 78.3 | 70.5 |
Waterproofness:
It is made into packaging bag respectively with six kinds of finished products of the embodiment 1-4 and comparative example 1-2 degradable waterproof aluminium foil prepared
Shape is separately added into the water of identical weight, and the infiltration situation of packaging bag is observed after placing 1 day, 5 days and 10 days.After different number of days
The infiltration situation result of each sample is as shown in table 2 below:
Table 2: the infiltration situation of each sample after different number of days
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example 1 | Comparative example 2 | |
| 1 day | Anhydrous exudation | Anhydrous exudation | Anhydrous exudation | Anhydrous exudation | Anhydrous exudation | Anhydrous exudation |
| 5 days | There is water exudation | There is water exudation | Anhydrous exudation | Anhydrous exudation | There is water exudation | There is water exudation |
| 10 days | There is water exudation | There is water exudation | Anhydrous exudation | Anhydrous exudation | There is water exudation | There is water exudation |
The weightlessness that the weight-loss ratio of embodiment 1-4 after 30 days is 65.7-80.6%, after 60 days can be seen that by upper table 1-2
Rate is 73.5-88.7%, and the weight-loss ratio after 90 days is 86.3-93.5%, and the weight-loss ratio of comparative example 1-2 after 30 days is 58.3-
Weight-loss ratio after 62.7%, 60 days is 65.7-70.1%, and the weight-loss ratio after 90 days is 70.5-78.3%；Embodiment 1-4 and right
Ratio 1-2 anhydrous exudation after 1 day, embodiment 1-2 and comparative example 1-2 have water exudation after 5 days, and embodiment 3-4 is after 5 days
Anhydrous exudation, embodiment 1-2 and comparative example 1-2 have water exudation, embodiment 3-4 anhydrous exudation after 10 days after 10 days.So
The degradable waterproof aluminium-foil paper prepared through the invention, there is excellent degradation and waterproof performance.
Wherein, coating machine is made of rotating shaft mechanism 1, foundation means 2 in step S5, and rotating shaft mechanism 1 is fixed on foundation means 2
Upper surface；
As shown in Figure 1, rotating shaft mechanism 1 includes rack 11, the first sprocket wheel 111, the first roller 112, coating shaft 12, coating
Case 13, telescopic rod 14, coating runner 15, the second sprocket wheel 16, connecting rod 17, supporting block 18, fixed plate 19,11 inside center of rack
Five the first sprocket wheels 111 are installed in position, and the first roller 112 is installed outside the first sprocket wheel 111, and the first roller 112 runs through rack 11
Upper and lower both side surface, 11 upper surface of rack are fixed with supporting block 18, and the fixed coating shaft 12 in 18 upper surface of supporting block is coated with shaft
Telescopic rod 14 is installed in 12 1 side surfaces, and coating turns, and the second sprocket wheel 16 is installed in 12 upper end of axis, and the installation coating of coating 12 top of shaft turns
Coating case 13 is installed in wheel 15,11 upper surface center of rack, and connecting rod 17, connecting rod 17 1 are installed in 18 1 side surface of supporting block
End is fixed on 18 side surface of supporting block, and 17 other end of connecting rod is connected and fixed plate 19, and fixed plate 19 is fixed in coating shaft 12；
As shown in Figure 1, foundation means 2 include pedestal case 21, recycle shaft 22, driving drum 23, coating machine support leg 24,
Pedestal case 21 and 11 following table face contact of rack, 112 bottom end of the first roller are protruded into inside pedestal case 21, and 21 side of pedestal case is installed back
Shaft 22 is received, driving drum 23 is installed on recycling 22 top of shaft, and two coating machine support legs 24 are fixed in 21 lower surface of pedestal case.
The course of work: installing two coating shafts 12 above rack 11, and a coating shaft 12 is mounted on supporting block 18
Upper surface, another coating shaft 12 are mounted on 11 upper surface of rack, telescopic rod 14, coating runner 15,23 surface of driving drum
It is connected with transmission belt, aluminium-foil paper to be coated enters rotating shaft mechanism 1 by transmission belt, applies by coating case 13 to aluminium-foil paper
Cloth, aluminium-foil paper is detached from coating machine by the conveyer belt on recycling shaft 22 and 23 surface of driving drum after coating.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Above content is only citing made for the present invention and explanation, affiliated those skilled in the art are to being retouched
The specific embodiment stated does various modifications or additions or is substituted in a similar manner, and without departing from invention or surpasses
More range defined in the claims, is within the scope of protection of the invention.
Claims (7)
1. a kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper, which comprises the steps of:
Step S1, transfer method is aluminized: being coated transfer coatings in PET film, is plated in aluminium foil layer by vacuum aluminum-coated mode
On transfer coatings, aluminium foil layer is transferred in base paper by compound, molding, stripping technology means later, in the another of aluminium foil layer
The degradable waterproofing membrane of surface recombination；
Step S2, following raw material: 30-50 parts of celluloses is weighed, 10-20 parts of gelatin hydrolysates, 3-8 parts of polysaccharases, 3-5 parts
Polyacrylic acid, 3-5 parts of crosslinking agents, 3-8 parts of plasticizer；
Step S3, cellulose, gelatin hydrolysate are added in the beaker equipped with deionized water, polysaccharase, 40 DEG C of heating water baths is added
And 45min is stirred, polysaccharide solution is obtained, makees that A liquid is spare, the weight ratio of cellulose and deionized water is 1: 5；
Step S4, polyacrylic acid is mixed with deionized water, 60 DEG C of water-baths dissolve to obtain polyacrylic acid aqueous solution, make B liquid, standby
With the weight ratio of polyacrylic acid and deionized water is 1: 7；
Step S5, B liquid is poured into A liquid, magnetic agitation is carried out with the revolving speed of 120r/min, crosslinking agent is added after stirring 30min
Mixed liquor is obtained with plasticizer, constant temperature stirring 45min obtains complex colloid at 40 DEG C, and complex colloid is pressed 3-5 μ with coating machine
The thickness of m is uniformly coated on aluminium foil layer surface, obtains degradable waterproofing membrane；
Step S6, then aluminium-foil paper is dried in 100 DEG C of electric heating constant temperature blast drier to 20s, then pressed with calender
Environment-friendly degradable waterproof aluminium-foil paper is made in light.
2. a kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper according to claim 1, which is characterized in that the ring
Protecting degradable waterproof aluminium-foil paper includes base paper and aluminium foil layer, and the aluminium foil layer is compounded in the surface of base paper by transfer method.
3. a kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper according to claim 1, which is characterized in that described turn
Coating is moved to be made of following raw material: 5-10 parts of cellulose esters, 8-15 parts of acid polyethylene resins, 15-30 parts of dehydrated alcohols,
1-3 parts of tin tetrachlorides, 2-3 parts of acetamides.
4. a kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper according to claim 1, which is characterized in that described turn
Coating is moved to be made of following steps:
(1) cellulose esters and acid polyethylene resin are added in the three-necked flask equipped with dehydrated alcohol, 50 DEG C of heating water baths, at the uniform velocity
Tin tetrachloride is added after stirring 15min, stirs 15min, mixed liquor is made；
(2) it is transferred in reaction kettle, acetamide is added, control temperature of reaction kettle is 80 DEG C, reacts 2h, reaction knot at this temperature
It is taken out after beam, stands 1h, ultrasonic 2h obtains transfer coatings.
5. a kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper according to claim 1, which is characterized in that the friendship
Connection agent is one or more of cumyl peroxide, benzoyl peroxide, di-tert-butyl peroxide.
6. a kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper according to claim 1, which is characterized in that the increasing
Modeling agent is one or more of di-n-octyl phthalate, di-sec-octyl phthalate, trimethyl citrate.
7. a kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper according to claim 1, which is characterized in that described more
Purposes calender pressure is 100kN/m2, temperature is 90 DEG C.
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| CN201910117299.1A CN109881533A (en) | 2019-02-15 | 2019-02-15 | A kind of preparation method of environment-friendly degradable waterproof aluminium-foil paper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111073010A (en) * | 2019-12-23 | 2020-04-28 | 金华汉马镭射包装材料有限公司 | Single-layer aluminized laser resin film and preparation method thereof |
| CN115008853A (en) * | 2022-05-18 | 2022-09-06 | 青岛科技大学 | Easily-recycled high-barrier paper aluminum composite packaging material and preparation method thereof |
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| CN115008853A (en) * | 2022-05-18 | 2022-09-06 | 青岛科技大学 | Easily-recycled high-barrier paper aluminum composite packaging material and preparation method thereof |
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Application publication date: 20190614 |