CN107936877A - One kind packaging glue and preparation method thereof - Google Patents
One kind packaging glue and preparation method thereof Download PDFInfo
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- CN107936877A CN107936877A CN201711274576.7A CN201711274576A CN107936877A CN 107936877 A CN107936877 A CN 107936877A CN 201711274576 A CN201711274576 A CN 201711274576A CN 107936877 A CN107936877 A CN 107936877A
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- Prior art keywords
- glue
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- pva
- eva
- packaging glue
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J131/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
- C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09J131/04—Homopolymers or copolymers of vinyl acetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The application provides a kind of packaging glue and preparation method thereof, which includes 0.05 0.2 parts of 55 65 parts of EVA lotions, 25 35 parts of EVA resin, 8 10 parts of PVA aqueous solutions and borax.Compared with prior art, technical scheme is arranged in pairs or groups EVA lotions and EVA resin in mass ratio, and packaging glue can be made to have higher cementing power and uniform gluing；In addition, the application not only contributes to impregnation by adding borax, moreover it is possible to solves the problems, such as whirl coating during gluing.Glue is packed made from the preparation method provided using the application, can at least solve high-temerature creep existing for existing adhesive, the technical problem of whirl coating and cementing power difference during gluing.
Description
Technical field
This application involves adhesive technical field, more particularly to a kind of packaging glue and preparation method thereof.
Background technology
It is glued (bonding, be bonded, be cementing, gluing) and refers to homogeneity or the skill that heterogeneous body surface is linked together with adhesive
Art, has the features such as stress distribution is continuous, light-weight, or sealing, most technological temperatures are low.It is glued especially suitable for different materials
The connection of matter, different-thickness, ultra-thin specification and complex component.Splicing RECENT DEVELOPMENTS is most fast, and application industry is extremely wide.Point of adhesive
Class method is very much, can be divided into heat curing type, heat molten type, room temperature curing type, pressure sensitive etc. by application process；It is divided into knot by application
Configuration, non-configuration or special gelatin；Water-soluble, emulsion type, solvent-borne type and various solid-state versions etc. can be divided into by connecing form.
Printing packaging glue be to the package external box of various materials carry out paste adhesive glue class general designation, including sticker adhesive, plating
Dry type is water base after aluminium film transfer paper glue, the laminating glue of PP films, hot pressing aluminizer glue, PET aluminizers glue, solvent resistant laminated adhesive, print covers
Film glue, water base glue of eking out a living, full aqueous paste chewing-gum, aqueous, environmental protective pasting glue.It is many to be presently used for carton adhesive species, there is three
Aldehyde glue and white glue with vinyl etc..Some adhesives are producing and can discharge free state formaldehyde in application process, endanger to human body and environment
Evil is serious；Some adhesive water resistance and moisture-proof are poor, and in humid air after moisture absorption, adhesion strength reduces；Some adhesives
Creep can be produced after applying in hot environment, cementing strength declines；Some adhesive machines store easily in low temperature environment
Freeze, colloid is received destruction；Whirl coating easily occurs in coating for some adhesives, and advection difference, it is poor to coat effect；It is above-mentioned a variety of
Influence factor, the application for causing to pack glue are restricted.
The content of the invention
The embodiment of the present application provides a kind of packaging glue and preparation method thereof, at least solves the existing coating effect of existing adhesive
The technical problem of fruit difference and cementing power difference.
In a first aspect, the application provides a kind of packaging glue, including：
Further, the packaging glue includes：
Further, the packaging glue includes：
Further, the mass concentration of the PVA aqueous solutions is 5%-15%.
Further, the mass concentration of the PVA aqueous solutions is 10%.
Further, the molar content of vinyl acetate is 70%-95% in the EVA lotions；Acetic acid in the EVA resin
The molar content of ethene is 5%-40%.
On the other hand, the embodiment of the present application provides a kind of preparation method for packing glue, including：
Step 1, weighs PVA and water is added with stirring, in the kettle tank of heater and cooler device, and the quality of the PVA accounts for
The 5%-15% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step 2, weighs the PVA aqueous solutions that 8-10 parts of step 1 obtain, adds into impregnation device；Weigh 25-35 parts of EVA
Rubber and 0.05-0.2 parts of boraxs, add into impregnation device；Stirring 30-60 minutes, obtains uniform agranular product；
Step 3, weighs 55-65 parts of EVA lotions, adds into impregnation device；Stirring 30-60 minutes, obtains packaging glue.
From above technical scheme, the embodiment of the present application provides a kind of packaging glue and preparation method thereof, packaging Jiao Bao
Include 0.05-0.2 parts of 55-65 parts of EVA lotions, 25-35 parts of EVA resin, 8-10 parts of PVA aqueous solutions and borax.With the prior art
Compare, technical scheme is arranged in pairs or groups EVA lotions and EVA resin in mass ratio, and packaging glue can be made to have higher cementing energy
Power, and can guarantee that uniform gluing；In addition, the application not only contributes to impregnation by adding borax, moreover it is possible to solves whirl coating during gluing
The problem of.Glue is packed made from the preparation method provided using the application, can at least solve high temperature existing for existing adhesive
Creep, the technical problem of whirl coating and cementing power difference during gluing.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of preparation method flow chart for packaging glue that the application is shown accoding to exemplary embodiment.
Embodiment
Printing packaging glue be to the package external box of various materials carry out paste adhesive glue class general designation, including sticker adhesive, plating
Dry type is water base after aluminium film transfer paper glue, the laminating glue of PP films, hot pressing aluminizer glue, PET aluminizers glue, solvent resistant laminated adhesive, print covers
Film glue, water base glue of eking out a living, full aqueous paste chewing-gum, aqueous, environmental protective pasting glue.It is many to be presently used for carton adhesive species, there is three
Aldehyde glue and white glue with vinyl etc..Some adhesives are producing and can discharge free state formaldehyde in application process, endanger to human body and environment
Evil is serious；Some adhesive water resistance and moisture-proof are poor, and in humid air after moisture absorption, adhesion strength reduces；Some adhesives
Creep can be produced after applying in hot environment, cementing strength declines；Some adhesive machines store easily in low temperature environment
Freeze, colloid is received destruction；Whirl coating easily occurs in coating for some adhesives, and advection difference, it is poor to coat effect；It is above-mentioned a variety of
Influence factor, the application for causing to pack glue are restricted.
The embodiment of the present application provides a kind of packaging glue, including：
Wherein, the preferred 5%-15% of the mass concentration of PVA aqueous solutions.The molar content of vinyl acetate in the EVA lotions
For 70%-95%；The molar content of vinyl acetate is 5%-40% in the EVA resin.
EVA, that is, ethylene-vinyl acetate copolymer, compared with polyethylene, EVA in strand due to introducing vinyl acetate
Monomer, so as to reduce high-crystallinity, improves pliability, impact resistance, filler intermiscibility and heat sealing performance, extensively should
For fields such as foaming shoe material, functional greenhouse film, packaging film, hot melt adhesive, electric wire and toys.In general, the performance of EVA
Depend primarily upon the content of vinyl acetate on strand.
Ethene and acetate ethylene copolymer are most important products in ethylene copolymer, and foreign countries are generally referred to as EVA.
But in China, people according to the difference of wherein vinyl acetate content, by ethene and acetate ethylene copolymer be divided into EVA resin,
EVA rubber and EVA lotions.Product of the vinyl acetate content less than 40% is EVA resin；Vinyl acetate content 40%-70%'s
Product is very flexible；The EVA resin of this content range is sometimes referred to as EVA rubber by high resilience feature, people；Vinyl acetate contains
Amount is in usually emulsion state in the range of 70%-95%, is known as EVA lotions.EVA emulsion appearances are milky white or yellowish.
EVA lotions have permanent pliability, preferable resistance to acid and alkali, ultraviolet-resistant aging, good compatibility, good
Film forming and the advantageous property such as good caking property.
The packaging glue that technical scheme provides, because of its good filming performance, makes packaging glue using EVA lotions as base-material
Film forming is good at a lower temperature, and gluing is uniform, and cementing power is strong；The film of formation has a good mechanical performance, and by
The average grain diameter of particle is small in EVA lotions, makes have good equilibrium relation between the creep resistant and heat sealability of packaging glue, has
Wet viscosity and curing rate quickly well.EVA lotions have extensive adhesive property, except can be bonded timber, leather, knit
The materials such as thing, paper, cement, concrete, aluminium foil, galvanized steel plain sheet, moreover it is possible to as pressure sensitive adhesive and heat-seal adhesive, and also it is difficult for some
Even more possesses distinctive cementability in the material such as film such as polyethylene, polypropylene, polyvinyl chloride, polyester of bonding.
Technical scheme while ensureing to glue uniformity, is further carried using EVA resin collocation EVA lotions
The adhesive fastness of high colloid.
In addition, compared with existing urea-formaldehyde resin adhesive etc., formaldehyde is free of in the packaging collagen material that the application provides, is wrapped
Formaldehyde will not be produced in dress glue preparation process and in finished product, it is nontoxic pollution-free.
Borax, generally writes Na2B4O7·10H2O, is very important containing boron mineral and boron compound.Usually contain
The white powder of clear crystal, it is soluble easily in water.The application not only contributes to impregnation by adding borax, moreover it is possible to when solving gluing
The problem of whirl coating.
From above-described embodiment, the packaging glue that the application provides compared with prior art, EVA lotions of arranging in pairs or groups and EVA trees
Fat, can make packaging glue have higher cementing power and uniform gluing；In addition, the application is by adding borax, no
Only be conducive to impregnation, moreover it is possible to solve the problems, such as whirl coating during gluing.Glue is packed made from the preparation method provided using the application, extremely
It can solve high-temerature creep existing for existing adhesive less, the technical problem of whirl coating and cementing power difference during gluing.
In further embodiments, a kind of packaging glue includes：
The constituent content being more highly preferred to is：
The embodiment of the present application also provides the preparation method of above-mentioned packaging glue, and refering to Fig. 1, this method comprises the following steps：
Step S01, weighs PVA and water is added to carry and stirred, in the kettle tank of heater and cooler device, the quality of the PVA
Account for the 5%-15% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
PVA, that is, polyvinyl alcohol, organic compound, white plates, cotton-shaped or pulverulent solids are tasteless.Water is dissolved in, is not dissolved in
Gasoline, kerosene, vegetable oil, benzene, toluene, dichloroethanes, carbon tetrachloride, acetone, ethyl acetate, methanol, ethylene glycol etc..It is slightly soluble in
Dimethyl sulfoxide (DMSO).Polyvinyl alcohol is important industrial chemicals, is closed for manufacturing Pioloform, polyvinyl acetal, resistance to gasoline pipeline and vinylon
Into fiber, fabric-treating agent, emulsifying agent, paper coating, adhesive, glue etc..
Wherein, the stage temperature-rise period for preparing PVA aqueous solutions is as follows：
System is first warming up to 40 DEG C and is kept for 30 minutes in the range of 40-45 DEG C, PVA substantially dissolves at this time, then makes body
System is continually maintained in 40-45 DEG C of stirring until being completely dissolved to form homogeneous phase transparent solution；
If PVA cannot effectively dissolve, it is continuously heating to 60 DEG C and is kept for 30 minutes at 60-65 DEG C, PVA is obvious at this time
Dissolving, then make system be continually maintained in 60-65 DEG C of stirring until being completely dissolved to form homogeneous phase transparent solution；
If PVA cannot effectively dissolve, it is continuously heating to 90 DEG C and is kept for 30 minutes at 90-95 DEG C, PVA is obvious at this time
Dissolving, then make system be continually maintained in 90-95 DEG C of stirring until being completely dissolved to form homogeneous phase transparent solution.
Step S02, weighs the PVA aqueous solutions that 8-10 parts of step 1 obtain, adds into impregnation device；Weigh 25-35 parts of EVA
Rubber and 0.05-0.2 parts of boraxs, add into impregnation device；Stirring 30-60 minutes, obtains uniform agranular product；
Step S03, weighs 55-65 parts of EVA lotions, adds into impregnation device；Stirring 30-60 minutes, obtains packaging glue.
Glue is packed made from the preparation method provided using the application, can at least solve high temperature existing for existing adhesive
Creep, the technical problem of whirl coating and cementing power difference during gluing.What the application provided packs the specific of glue and preparation method thereof
Embodiment is referring also to following embodiments：
Embodiment 1
Step S110, weighs PVA and water is added to carry and stirred, in the kettle tank of heater and cooler device, the quality of the PVA
Account for the 10% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step S120, weighs the PVA aqueous solutions that 9 parts of step S110 are obtained, adds into impregnation device；Weigh 30 parts of EVA rubbers
Glue and 0.1 part of borax, add into impregnation device；Stirring 50 minutes, obtains uniform agranular product；
Step S130, weighs 60 parts of EVA lotions, adds into impregnation device；Stirring 60 minutes, obtains 1# packaging glue.
Embodiment 2
Step S210, weighs PVA and water is added to carry and stirred, in the kettle tank of heater and cooler device, the quality of the PVA
Account for the 10% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step S220, weighs the PVA aqueous solutions that 8 parts of step S210 are obtained, adds into impregnation device；Weigh 30 parts of EVA rubbers
Glue and 0.2 part of borax, add into impregnation device；Stirring 60 minutes, obtains uniform agranular product；
Step S230, weighs 65 parts of EVA lotions, adds into impregnation device；Stirring 60 minutes, obtains 2# packaging glue.
Embodiment 3
Step S310, weighs PVA and water is added to carry and stirred, in the kettle tank of heater and cooler device, the quality of the PVA
Account for the 10% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step S320, weighs the PVA aqueous solutions that 10 parts of step S310 are obtained, adds into impregnation device；Weigh 35 parts of EVA rubbers
Glue and 0.05 part of borax, add into impregnation device；Stirring 60 minutes, obtains uniform agranular product；
Step S330, weighs 55 parts of EVA lotions, adds into impregnation device；Stirring 60 minutes, obtains 3# packaging glue.
Embodiment 4
Step S410, weighs PVA and water is added to carry and stirred, in the kettle tank of heater and cooler device, the quality of the PVA
Account for the 10% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step S420, weighs the PVA aqueous solutions that 9 parts of step S410 are obtained, adds into impregnation device；Weigh 25 parts of EVA rubbers
Glue and 0.2 part of borax, add into impregnation device；Stirring 50 minutes, obtains uniform agranular product；
Step S430, weighs 60 parts of EVA lotions, adds into impregnation device；Stirring 60 minutes, obtains 4# packaging glue.
Embodiment 5
Step S510, weighs PVA and water is added to carry and stirred, in the kettle tank of heater and cooler device, the quality of the PVA
Account for the 10% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step S520, weighs the PVA aqueous solutions that 8 parts of step S510 are obtained, adds into impregnation device；Weigh 30 parts of EVA rubbers
Glue and 0.1 part of borax, add into impregnation device；Stirring 60 minutes, obtains uniform agranular product；
Step S530, weighs 55 parts of EVA lotions, adds into impregnation device；Stirring 30-60 minutes, obtains 5# packaging glue.
Embodiment 6
Step S610, weighs PVA and water is added to carry and stirred, in the kettle tank of heater and cooler device, the quality of the PVA
Account for the 10% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step S620, weighs the PVA aqueous solutions that 10 parts of step S610 are obtained, adds into impregnation device；Weigh 25 parts of EVA rubbers
Glue and 0.05 part of borax, add into impregnation device；Stirring 60 minutes, obtains uniform agranular product；
Step S630, weighs 65 parts of EVA lotions, adds into impregnation device；Stirring 50 minutes, obtains 6# packaging glue.
Embodiment 7
Step S710, weighs PVA and water is added to carry and stirred, in the kettle tank of heater and cooler device, the quality of the PVA
Account for the 10% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step S720, weighs the PVA aqueous solutions that 8 parts of step S710 are obtained, adds into impregnation device；Weigh 35 parts of EVA rubbers
Glue and 0.1 part of borax, add into impregnation device；Stirring 60 minutes, obtains uniform agranular product；
Step S730, weighs 65 parts of EVA lotions, adds into impregnation device；Stirring 50 minutes, obtains 7# packaging glue.
Embodiment 8
Step S810, weighs PVA and water is added to carry and stirred, in the kettle tank of heater and cooler device, the quality of the PVA
Account for the 10% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step S820, weighs the PVA aqueous solutions that 9 parts of step S810 are obtained, adds into impregnation device；Weigh 35 parts of EVA rubbers
Glue and 0.2 part of borax, add into impregnation device；Stirring 60 minutes, obtains uniform agranular product；
Step S830, weighs 55 parts of EVA lotions, adds into impregnation device；Stirring 50 minutes, obtains 8# packaging glue.
Embodiment 9
Step S910, weighs PVA and water is added to carry and stirred, in the kettle tank of heater and cooler device, the quality of the PVA
Account for the 10% of PVA and the water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step S920, weighs the PVA aqueous solutions that 9 parts of step S910 are obtained, adds into impregnation device；Weigh 35 parts of EVA rubbers
Glue and 0.15 part of borax, add into impregnation device；Stirring 60 minutes, obtains uniform agranular product；
Step S930, weighs 55 parts of EVA lotions, adds into impregnation device；Stirring 50 minutes, obtains 9# packaging glue.
Above-described embodiment 1 to the 1# that embodiment 9 is prepared is used for the bonding of carton to 6# packaging glue, is marked using country
The method test adhesion strength of quasi- GB/T14074.10~93, the results are shown in Table 1：
Table 1
Using NDJ-1 type rotation viscometers test above-described embodiment be worth to packaging glue viscosity, the results are shown in Table 2：
Table 2
In addition, coated test shows, there is not the creeps such as skinning, whirl coating etc. in the packaging glue that the embodiment of the present application is worth
Phenomenon.
As seen from the above embodiment, the embodiment of the present application provides a kind of packaging glue and preparation method thereof, which includes
0.05-0.2 parts of 55-65 parts of EVA lotions, 25-35 parts of EVA resin, 8-10 parts of PVA aqueous solutions and borax.With prior art phase
Arrange in pairs or groups in mass ratio EVA lotions and EVA resin than, technical scheme, can make packaging glue that there is higher cementing power,
It can guarantee that uniform gluing again；In addition, the application not only contributes to impregnation by adding borax, moreover it is possible to solves whirl coating during gluing
Problem.Glue is packed made from the preparation method provided using the application, it is compacted can at least to solve high temperature existing for existing adhesive
Become, the technical problem of whirl coating and cementing power difference during gluing.
It is required that those skilled in the art can be understood that the technology in the embodiment of the present invention can add by software
The mode of general hardware platform realize.Based on such understanding, the technical solution in the embodiment of the present invention substantially or
Say that the part to contribute to the prior art can be embodied in the form of software product, which can deposit
Storage is in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are used so that computer equipment (can be with
Be personal computer, server, either network equipment etc.) perform some part institutes of each embodiment of the present invention or embodiment
The method stated.
In this specification between each embodiment identical similar part mutually referring to.Especially for embodiment
Speech, since it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to saying in embodiment of the method
It is bright.
Invention described above embodiment is not intended to limit the scope of the present invention..
Claims (7)
1. one kind packaging glue, it is characterised in that including：
2. packaging glue according to claim 1, it is characterised in that the packaging glue includes：
3. packaging glue according to claim 2, it is characterised in that the packaging glue includes：
4. packaging glue according to claim 3, it is characterised in that the mass concentration of the PVA aqueous solutions is 5%-15%.
5. packaging glue according to claim 4, it is characterised in that the mass concentration of the PVA aqueous solutions is 10%.
6. glue is packed according to claim 1-5 any one of them, it is characterised in that vinyl acetate rubs in the EVA lotions
Your content is 70%-95%；The molar content of vinyl acetate is 5%-40% in the EVA resin.
A kind of 7. preparation method for packing glue, it is characterised in that including：
Step 1, weigh PVA and water add with stirring, heater and cooler device kettle tank in, the quality of the PVA accounts for described
The 5%-15% of PVA and water gross mass；Stage heats up and stirs, and until polyvinyl alcohol is completely dissolved, is cooled to 25 DEG C；
Step 2, weighs the PVA aqueous solutions that 8-10 parts of step 1 obtain, adds into impregnation device；Weigh 25-35 parts of EVA rubber
With 0.05-0.2 parts of boraxs, add into impregnation device；Stirring 30-60 minutes, obtains uniform agranular product；
Step 3, weighs 55-65 parts of EVA lotions, adds into impregnation device；Stirring 30-60 minutes, obtains packaging glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274576.7A CN107936877A (en) | 2017-12-06 | 2017-12-06 | One kind packaging glue and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274576.7A CN107936877A (en) | 2017-12-06 | 2017-12-06 | One kind packaging glue and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107936877A true CN107936877A (en) | 2018-04-20 |
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| CN201711274576.7A Pending CN107936877A (en) | 2017-12-06 | 2017-12-06 | One kind packaging glue and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433087A (en) * | 2011-08-29 | 2012-05-02 | 华南理工大学 | High-temperature-resistant paper-plastic laminating adhesive and preparation method thereof |
| CN103360987A (en) * | 2013-07-05 | 2013-10-23 | 全椒海丰印刷包装有限公司 | Adhesive for packaging paper material and preparation method thereof |
| CN103865438A (en) * | 2012-12-11 | 2014-06-18 | 金东纸业（江苏）股份有限公司 | Composite glue solution, preparation method thereof, and composite paper applying the same |
| CN104371593A (en) * | 2014-10-30 | 2015-02-25 | 田琳琳 | High-viscosity rubber adhesive |
-
2017
- 2017-12-06 CN CN201711274576.7A patent/CN107936877A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433087A (en) * | 2011-08-29 | 2012-05-02 | 华南理工大学 | High-temperature-resistant paper-plastic laminating adhesive and preparation method thereof |
| CN103865438A (en) * | 2012-12-11 | 2014-06-18 | 金东纸业（江苏）股份有限公司 | Composite glue solution, preparation method thereof, and composite paper applying the same |
| CN103360987A (en) * | 2013-07-05 | 2013-10-23 | 全椒海丰印刷包装有限公司 | Adhesive for packaging paper material and preparation method thereof |
| CN104371593A (en) * | 2014-10-30 | 2015-02-25 | 田琳琳 | High-viscosity rubber adhesive |
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Application publication date: 20180420 |