CN107351459A - High temperature resistant negative and positive packaging bag and preparation method thereof - Google Patents
High temperature resistant negative and positive packaging bag and preparation method thereof Download PDFInfo
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- CN107351459A CN107351459A CN201710573829.4A CN201710573829A CN107351459A CN 107351459 A CN107351459 A CN 107351459A CN 201710573829 A CN201710573829 A CN 201710573829A CN 107351459 A CN107351459 A CN 107351459A
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- high temperature
- temperature resistant
- positive
- packaging bag
- negative
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/41—Opaque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/412—Transparent
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wrappers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a kind of high temperature resistant negative and positive packaging bag and preparation method thereof, it is related to the technical field of packaging bag.The preparation method of high temperature resistant negative and positive packaging bag provided by the invention, procedure arrangement is reasonable, preparation technology is easy, moderate cost, obtained packaging bag Coating combination function admirable, it is solid, firm, there is good printing and decorative, the preparation method solves the packaging industry technical problem that aluminium foil bag can not be had an X-rayed for many years, transparent bag is decorative, photophobism is poor.The present invention has high temperature resistant, lucifuge, while visual function concurrently.High temperature resistant negative and positive packaging bag provided by the invention, it is simultaneously thermostable transparent composite membrane, another side is the opaque foil laminated film of high temperature resistant, high temperature-resistant printing film is compounded with outside two sides simultaneously, both the effect of shading had been served, enough product of the demonstration package in it of and can, it is durable, high-end and atmospheric, it is applicable a variety of industry packagings and food high temperature boiling packaging.
Description
Technical field
The present invention relates to packaging bag technical field, more particularly, to a kind of high temperature resistant negative and positive packaging bag and preparation method thereof.
Background technology
Packaging bag refers to the sack for packing various articles, is widely used in daily life and industrial production, is people
The essential article of daily life, is seen everywhere in the life process of people.Packaging bag can not only be to the article of inside
Play a part of protection, beautification, transport and storage of the article in the process of circulation is produced is become more convenient.
Especially in packaged food, in order to carry out fresh-keeping, storage and easy to carry, even more too busy to get away packaging to food
Bag.By taking packaged food as an example, food pack has higher requirement relative to other kinds of packaging bag.For example, in vacuum
When preserving food, solid, firm food pack is often just needed, causes food to become to prevent food pack breakage
The problems such as matter, pollution.Also, in order to save and not degenerate the food longer time, it is also necessary to have to the food in packaging bag
The safeguard measure such as high temperature resistant and lucifuge.In addition, consumer more wants to intuitively see what is bought when buying food
Food, therefore, it is also desirable to which there is visuality inside food pack.
However, the food pack used at present, sterilizing can not be realized under conditions of 135 DEG C of thermophilic digestion, and
Under the premise of solid, firm, there is high temperature resistant, lucifuge, while visual function.
Therefore, sterilizing, and solid, firm, resistance to height can be realized under conditions of 135 DEG C of thermophilic digestion by researching and developing one kind
Temperature, lucifuge, while have the packaging bag of visual function particularly important.
In view of this, it is special to propose the present invention.
The content of the invention
First purpose of the present invention is to provide a kind of preparation method of high temperature resistant negative and positive packaging bag；
Second object of the present invention is to provide a kind of high temperature resistant negative and positive bag being prepared using above-mentioned preparation method
Pack, it can not realize and sterilize under conditions of 135 DEG C of thermophilic digestion to alleviate present in prior art, and solid, firm
Gu on the premise of, there is high temperature resistant, lucifuge, while visual function.Technical problem.
A kind of preparation method of high temperature resistant negative and positive packaging bag provided by the invention, including：
Thermostable transparent composite membrane and the opaque foil laminated film of high temperature resistant are prepared respectively, it is described resistance to by what is be prepared
Temperature resistant transparent composite membrane and the opaque foil laminated film of the high temperature resistant are cut, and by the thermostable transparent after cutting
Composite membrane and the opaque foil laminated film of the high temperature resistant are compound with the progress of high temperature-resistant printing film respectively, form high temperature resistant negative and positive and answer
Film is closed, bag is carried out using the high temperature resistant negative and positive composite membrane as the tow sides of the high temperature resistant negative and positive packaging bag.
Further, the thermostable transparent composite membrane includes the first middle level and the first internal layer；
It is transparent secondary internal layer to state first middle level, and first internal layer is transparent heat-sealing layer.
Further, the preparation method of the thermostable transparent composite membrane includes：
Step (a)：First middle level is arranged on upper glue roller and uniformly coats high-temperature-resistant adhesive, with described first
After internal layer progress is compound, dry, form thermostable transparent composite bed；
Step (b)：The thermostable transparent composite bed is subjected to maturation process, forms the thermostable transparent composite membrane；
Step (c)：The thermostable transparent composite membrane is cut on demand, obtain thermostable transparent composite membrane half into
Product.
Further, the opaque foil laminated film of the high temperature resistant includes the second middle level and the second internal layer；
Second middle level is opaque aluminium foil layer, and second internal layer is transparent heat-sealing layer.
Further, the preparation method of the opaque foil laminated film of the high temperature resistant includes：
Step (A)：Second internal layer is arranged on upper glue roller and uniformly coats high-temperature-resistant adhesive, with described second
After middle level progress is compound, dry, form the opaque composite bed of high temperature resistant；
Step (B)：The opaque composite bed of the high temperature resistant is subjected to maturation process, forms the opaque aluminium foil of the high temperature resistant
Composite membrane；
Step (C)：The opaque foil laminated film of the high temperature resistant is cut on demand, obtains the opaque aluminium of high temperature resistant
Paper tinsel composite membrane semi-finished product.
Further, the preparation method of the high temperature resistant negative and positive packaging bag also includes：
Step (i)：The printing-ink picture and text on the high temperature-resistant printing film；
Step (ii)：The high temperature-resistant printing film after printing will be completed to be arranged on upper glue roller and uniformly coat high temperature resistant
Adhesive, as outer layer respectively with the thermostable transparent composite membrane semi-finished product, the opaque foil laminated film of the high temperature resistant half
Finished product join it is compound after, dry, form high temperature resistant negative and positive composite bed；
Step (iii)：After the high temperature resistant negative and positive composite bed is carried out into maturation process, it is compound to form the high temperature resistant negative and positive
Film, by high temperature resistant negative and positive composite membrane heat seal bag on Bag Making Machine, form the high temperature resistant negative and positive packaging bag.
Further, the thermostable transparent composite membrane is identical with the thickness of the opaque foil laminated film of the high temperature resistant；
Preferably, the thickness of the thermostable transparent composite membrane and the opaque foil laminated film of the high temperature resistant is 55-85 μm.
Further, the drying is drying, and the temperature of the drying is 45-55 DEG C, and the time of the drying is 48-
72h。
In addition, present invention also offers a kind of high temperature resistant negative and positive packaging bag, using above-mentioned high temperature resistant negative and positive packaging bag
Preparation method is prepared.
Further, wet tissue bag and gloves bag are additionally provided with the high temperature-resistant printing film, the wet tissue bag is built with wet
Towel, the gloves bag is built with the thin gloves of plastics.
The preparation method of high temperature resistant negative and positive packaging bag provided by the invention, the preparation method procedure arrangement is reasonable, prepares work
Skill is easy, and moderate cost, obtained packaging bag Coating combination function admirable is solid, firm, has good printing and decoration
Property, it can not only be used as common product packaging bags, additionally it is possible to sterilizing is realized under conditions of thermophilic digestion, and is had concurrently
High temperature resistant, lucifuge, while visual function.High temperature resistant negative and positive packaging bag provided by the invention, it is simultaneously compound for thermostable transparent
Film, another side are the opaque foil laminated film of high temperature resistant, are compounded with high temperature-resistant printing film simultaneously outside two sides, both serve shading
Effect, enough product of the demonstration package in it of and can are durable, high-end and atmospheric, suitable for a variety of industries packaging and food
Thermophilic digestion is packed.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the sectional view of the thermostable transparent composite membrane semi-finished product of high temperature resistant negative and positive packaging bag provided by the invention；
Fig. 2 is the section of the opaque foil laminated film semi-finished product of high temperature resistant of high temperature resistant negative and positive packaging bag provided by the invention
Figure；
Fig. 3 is the sectional view of the high temperature resistant negative and positive composite membrane of high temperature resistant negative and positive packaging bag provided by the invention.
Icon：11- high temperature-resistant printing films；The middle levels of 12- first；The internal layers of 13- first；The middle levels of 22- second；The internal layers of 23- second.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, such as occur term " on ", " interior ", " outer ", the side indicated by it
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplify description,
Rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.In addition, such as there is term " first ", " second ", " the 3rd ", " the 4th " are only used for
Purpose is described, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " peace such as occurs
Dress " etc. should be interpreted broadly, and for the ordinary skill in the art, with concrete condition above-mentioned term can be understood in this hair
Concrete meaning in bright.
The performance requirement of packaging bag, especially food pack is higher, and not requiring nothing more than it being capable of solid, firm packaging food
Product, while the article inside from external observation to food pack is also required to, to meet consumer demand.
However, the most of food packs used at present, can not under the premise of solid, firm, have high temperature resistant,
Lucifuge, while visual function.
Its high temperature resistant negative and positive bag for being prepared of the preparation method and application of high temperature resistant negative and positive packaging bag provided by the invention
Pack, can not have high temperature resistant, lucifuge, simultaneously under the premise of solid, firm aiming at packaging bag of the prior art
The improvement that visual function is made.
The invention provides a kind of preparation method of high temperature resistant negative and positive packaging bag, including：
Thermostable transparent composite membrane and the opaque foil laminated film of high temperature resistant, the high temperature resistant that will be prepared are prepared respectively
Transparent composite membrane and the opaque foil laminated film of high temperature resistant are cut, and by the thermostable transparent composite membrane and Nai Gao after cutting
The opaque foil laminated film of temperature carries out compound, formation high temperature resistant negative and positive composite membrane, by high temperature resistant with high temperature-resistant printing film 11 respectively
Negative and positive composite membrane carries out bag as the tow sides of high temperature resistant negative and positive packaging bag.
When the internal portion of bag is packaged with article, consumer can see the internal portion of bag by the compound film surface of thermostable transparent
Food, so as to meet the viewing demand of consumer, meanwhile, the opaque foil laminated film of high temperature resistant can block illumination, radiation etc.
Externality, play a part of food in protective bag body, meanwhile, resistant to elevated temperatures bag body can be realized in 135 DEG C of thermophilic digestions
Under the conditions of sterilized, safety and sanitation.
As shown in figure 1, in the present invention, thermostable transparent composite membrane includes the first middle level 12 and the first internal layer 13；
First middle level 12 is transparent secondary internal layer, and the first internal layer 13 is transparent heat-sealing layer.
Wherein, the material in the first middle level 12 for example can be, but be not limited to polyester (PET) or polyamide (BOPA)；First
The material of internal layer 13 for example can be, but be not limited to polyethylene (PE), polypropylene (PP) or boiling type un-stretched polypropylene
(RCPP).In one preferred embodiment, the material in the first middle level 12 is PET, and the material of the first internal layer 13 is food-grade
RCPP。
The bag body of packaging bag is arranged to using exotic material, can both reduce packaging bag by the probability of high temperature failure, section
About cost, and can is enough realized to be sterilized under conditions of thermophilic digestion, safety and sanitation, additionally it is possible to ensure the thing of interior packing
Product, especially the food longer time save and not degenerate；Using internal layers of the food-grade RCPP as packaging bag, can ensure packing
It is safer, hygienic, environmentally friendly, healthy during food.
In the present invention, the preparation method of thermostable transparent composite membrane includes：
Step (a)：First middle level 12 is arranged on upper glue roller and uniformly coats high-temperature-resistant adhesive, with the first internal layer 13
Carry out it is compound after, dry, formed thermostable transparent composite bed；
Step (b)：Thermostable transparent composite bed is subjected to maturation process, forms thermostable transparent composite membrane；
Step (c)：Thermostable transparent composite membrane is cut on demand, obtains thermostable transparent composite membrane semi-finished product.
As shown in Fig. 2 in the present invention, the opaque foil laminated film of high temperature resistant includes the second middle level 22 and the second internal layer
23；
Second middle level 22 is opaque aluminium foil layer, and the second internal layer 23 is transparent heat-sealing layer.
Wherein, the material example in the second middle level 22 is aluminium foil；The material of second internal layer 23 for example can be, but be not limited to poly- second
Alkene (PE), un-stretched polypropylene (CPP) or boiling type un-stretched polypropylene (RCPP).In one preferred embodiment,
The material in two middle levels 22 is aluminium foil, and the material of the second internal layer 23 is food-grade RCPP.
The bag body of packaging bag is arranged to using exotic material, can both reduce packaging bag by the probability of high temperature failure, section
About cost, and can is enough realized to be sterilized under conditions of thermophilic digestion, safety and sanitation, additionally it is possible to ensure the thing of interior packing
Product, especially the food longer time save and not degenerate；Using internal layers of the food-grade RCPP as packaging bag, can ensure packing
It is safer, hygienic, environmentally friendly, healthy during food.
In the present invention, the preparation method of the opaque foil laminated film of high temperature resistant includes：
Step (A)：Second internal layer 23 is arranged on upper glue roller and uniformly coats high-temperature-resistant adhesive, with the second middle level 22
Carry out it is compound after, dry, formed the opaque composite bed of high temperature resistant；
Step (B)：The opaque composite bed of high temperature resistant is subjected to maturation process, forms the opaque foil laminated film of high temperature resistant；
Step (C)：The opaque foil laminated film of high temperature resistant is cut on demand, the opaque aluminium foil of high temperature resistant is obtained and answers
Close film semi-finished product.
In the present invention, the preparation method of high temperature resistant negative and positive packaging bag also includes：
Step (i)：The printing-ink picture and text on high temperature-resistant printing film 11；
Step (ii)：The high temperature-resistant printing film 11 after printing will be completed to be arranged on upper glue roller and uniformly coat resistance to height
Warm adhesive, as outer layer respectively with the thermostable transparent composite membrane semi-finished product, the opaque foil laminated film of the high temperature resistant
Semi-finished product join it is compound after, dry, form high temperature resistant negative and positive composite bed；
Step (iii)：After high temperature resistant negative and positive composite bed is carried out into maturation process, high temperature resistant negative and positive composite membrane, such as Fig. 3 are formed
It is shown, by high temperature resistant negative and positive composite membrane heat seal bag on Bag Making Machine, form high temperature resistant negative and positive packaging bag.
In the present invention, high temperature-resistant printing film 11 is used as global design, and transparent layer and opaque composite bed are distinguished
Join on high temperature-resistant printing film 11, form the high temperature resistant negative and positive composite membrane of an entirety, be more beneficial for making a plate, printing and postorder
Bag.
In the present invention, the thickness of the opaque foil laminated film of thermostable transparent composite membrane and high temperature resistant is identical, such as can
Think, but be not limited to 55 μm, 60 μm, 65 μm, 75 μm, 80 μm or 85 μm etc..In one preferred embodiment, high temperature resistant
The thickness of transparent composite membrane and the opaque foil laminated film of high temperature resistant is 70 μm.
In the present invention, adhesive is polyurethane glue-line, and its coated weight is 3.5-4.2g/m2, such as can be, but it is unlimited
In 3.5g/m2, 3.6g/m2, 3.7g/m2, 3.8g/m2, 3.9g/m2, 4.0g/m2, 4.1g/m2Or 4.2g/m2.At one preferably
Embodiment in, the coated weight of adhesive is 3.8g/m2。
In the present invention, to dry to dry, the temperature of drying is 45-55 DEG C, such as can be, but is not limited to 45 DEG C, 48
DEG C, 50 DEG C, 52 DEG C or 55 DEG C；The time of drying is 48-72h, such as can be, but is not limited to 48h, 50h, 55h, 60h, 65h,
70h or 72h.In one preferred embodiment, the temperature of drying is 50 DEG C, and the time of drying is 60h.The temperature of maturation process
Spend for 45-55 DEG C, such as can be, but be not limited to 45 DEG C, 48 DEG C, 50 DEG C, 52 DEG C or 55 DEG C；The time of curing is 48-72h,
Such as can be, but it is not limited to 48h, 50h, 55h, 60h, 65h, 70h or 72h.
The preparation method of high temperature resistant negative and positive packaging bag provided by the invention, the preparation method procedure arrangement is reasonable, prepares work
Skill is easy, and moderate cost, obtained packaging bag Coating combination function admirable is solid, firm, has good printing and decoration
Property, sterilizing can be realized under conditions of thermophilic digestion, and have high temperature resistant, lucifuge concurrently, while visual function.
In addition, present invention also offers a kind of high temperature resistant negative and positive packaging bag being prepared using above-mentioned preparation method.
Wherein, wet tissue bag and gloves bag are additionally provided with the high temperature-resistant printing film 11 of high temperature resistant negative and positive packaging bag, it is described
Wet tissue bag is built with wet tissue, and the gloves bag is built with the thin gloves of plastics.
When eating the food of packaging bag inner packing provided by the invention, consumer can first open wet tissue bag, take out wet
Towel cleans to hand, then opens gloves bag, takes out the thin gloves band of plastics in it on hand, further take out in packaging bag
Food, it is clean and sanitary.
High temperature resistant negative and positive packaging bag provided by the invention, be simultaneously thermostable transparent composite membrane, another side be high temperature resistant not
Transparent foil laminated film, had both served the effect of shading, and enough product of the demonstration package in it of and can are durable, high-end big
Gas, packed suitable for a variety of industries packaging and food high temperature boiling.
Traveling one is entered to the preparation method of high temperature resistant negative and positive packaging bag provided by the invention with reference to specific embodiment
Step ground explanation.
Embodiment 1
The selection of thermostable transparent composite membrane：
From PET as the first middle level 12, food-grade RCPP is as the first internal layer 13.
The preparation of thermostable transparent composite membrane：
Step (a)：First middle level 12 is arranged on upper glue roller and uniformly coats polyurethane glue-line, its coated weight is
3.8g/m2, with the first internal layer 13 carry out it is compound after, 50 DEG C of dry 60h, formed thermostable transparent composite bed；
Step (b)：Thermostable transparent composite bed is subjected to maturation process 60h at a temperature of 50 DEG C, forms 70 μ m-thicks
Thermostable transparent composite membrane；
Step (c)：Thermostable transparent composite membrane is cut on demand, obtains thermostable transparent composite membrane semi-finished product.
The selection of the opaque foil laminated film of high temperature resistant：
From aluminium foil as the second middle level 22, food-grade RCPP is as the second internal layer 23.
The preparation of the opaque foil laminated film of high temperature resistant：
Step (A)：Second internal layer 23 is arranged on upper glue roller and uniformly coats polyurethane glue-line, its coated weight is
3.8g/m2, with the second middle level 22 carry out it is compound after, 50 DEG C of dry 60h, formed the opaque composite bed of high temperature resistant；
Step (B)：The opaque composite bed of high temperature resistant is subjected to maturation process 60h at a temperature of 50 DEG C, forms 70 μ m-thicks
The opaque composite membrane of high temperature resistant；
Step (C)：The opaque foil laminated film of high temperature resistant is cut on demand, the opaque aluminium foil of high temperature resistant is obtained and answers
Close film semi-finished product.
The preparation of high temperature resistant negative and positive packaging bag：
Step (i)：The printing-ink picture and text on high temperature-resistant printing film 11；
Step (ii)：The high temperature-resistant printing film 11 after printing will be completed to be arranged on upper glue roller and uniformly coat polyurethane adhesive
Layer, its coated weight is 3.8g/m2, answered respectively with thermostable transparent composite membrane semi-finished product, the opaque aluminium foil of high temperature resistant as outer layer
Close film semi-finished product join it is compound after, 50 DEG C of drys 60h, formation high temperature resistant negative and positive composite bed；
Step (iii)：By high temperature resistant negative and positive composite bed after progress maturation process 60h at a temperature of 50 DEG C, resistance to height is formed
Warm negative and positive composite membrane, by high temperature resistant negative and positive composite membrane heat seal bag on Bag Making Machine, form high temperature resistant negative and positive packaging bag.
Embodiment 2
The selection of thermostable transparent composite membrane：
From BOPA as the first middle level 12, food-grade PP is as the first internal layer 13.
The preparation of thermostable transparent composite membrane：
Step (a)：First middle level 12 is arranged on upper glue roller and uniformly coats polyurethane glue-line, its coated weight is
3.5g/m2, with the first internal layer 13 carry out it is compound after, 45 DEG C of dry 48h, formed thermostable transparent composite bed；
Step (b)：Thermostable transparent composite bed is subjected to maturation process 48h at a temperature of 45 DEG C, forms 55 μ m-thicks
Thermostable transparent composite membrane；
Step (c)：Thermostable transparent composite membrane is cut on demand, obtains thermostable transparent composite membrane semi-finished product.
The selection of the opaque foil laminated film of high temperature resistant：
From aluminium foil as the second middle level 22, food-grade PE is as the second internal layer 23.
The preparation of the opaque foil laminated film of high temperature resistant：
Step (A)：Second internal layer 23 is arranged on upper glue roller and uniformly coats polyurethane glue-line, its coated weight is
3.5g/m2, with the second middle level 22 carry out it is compound after, 45 DEG C of dry 48h, formed the opaque composite bed of high temperature resistant；
Step (B)：The opaque composite bed of high temperature resistant is subjected to maturation process 48h at a temperature of 45 DEG C, forms 55 μ m-thicks
The opaque composite membrane of high temperature resistant；
Step (C)：The opaque foil laminated film of high temperature resistant is cut on demand, the opaque aluminium foil of high temperature resistant is obtained and answers
Close film semi-finished product.
The preparation of high temperature resistant negative and positive packaging bag：
Step (i)：The printing-ink picture and text on high temperature-resistant printing film 11；
Step (ii)：The high temperature-resistant printing film 11 after printing will be completed to be arranged on upper glue roller and uniformly coat polyurethane adhesive
Layer, its coated weight is 3.5g/m2, answered respectively with thermostable transparent composite membrane semi-finished product, the opaque aluminium foil of high temperature resistant as outer layer
Close film semi-finished product join it is compound after, 45 DEG C of drys 48h, formation high temperature resistant negative and positive composite membrane；
Step (iii)：By high temperature resistant negative and positive composite bed after progress maturation process 48h at a temperature of 45 DEG C, resistance to height is formed
Warm negative and positive composite membrane, by high temperature resistant negative and positive composite membrane heat seal bag on Bag Making Machine, form high temperature resistant negative and positive packaging bag.
Embodiment 3
The selection of thermostable transparent composite membrane：
From PET as the first middle level 12, food-grade PE is as the first internal layer 13.
The preparation of thermostable transparent composite membrane：
Step (a)：First middle level 12 is arranged on upper glue roller and uniformly coats polyurethane glue-line, its coated weight is
4.2g/m2, with the first internal layer 13 carry out it is compound after, 55 DEG C of dry 72h, formed thermostable transparent composite bed；
Step (b)：Thermostable transparent composite bed is subjected to maturation process 72h at a temperature of 55 DEG C, forms 85 μ m-thicks
Thermostable transparent composite membrane；
Step (c)：Thermostable transparent composite membrane is cut on demand, obtains thermostable transparent composite membrane semi-finished product.
The selection of the opaque foil laminated film of high temperature resistant：
From aluminium foil as the second middle level 22, food-grade CPP is as the second internal layer 23.
The preparation of the opaque foil laminated film of high temperature resistant：
Step (A)：Second internal layer 23 is arranged on upper glue roller and uniformly coats polyurethane glue-line, its coated weight is
4.2g/m2, with the second middle level 22 carry out it is compound after, 55 DEG C of dry 72h, formed the opaque composite bed of high temperature resistant；
Step (B)：The opaque composite bed of high temperature resistant is subjected to maturation process 72h at a temperature of 55 DEG C, forms 85 μ m-thicks
The opaque composite membrane of high temperature resistant；
Step (C)：The opaque foil laminated film of high temperature resistant is cut on demand, the opaque aluminium foil of high temperature resistant is obtained and answers
Close film semi-finished product.
The preparation of high temperature resistant negative and positive packaging bag：
Step (i)：The printing-ink picture and text on high temperature-resistant printing film 11；
Step (ii)：The high temperature-resistant printing film 11 after printing will be completed to be arranged on upper glue roller and uniformly coat polyurethane adhesive
Layer, its coated weight is 4.2g/m2, answered respectively with thermostable transparent composite membrane semi-finished product, the opaque aluminium foil of high temperature resistant as outer layer
Close film semi-finished product join it is compound after, 55 DEG C of drys 72h, formation high temperature resistant negative and positive composite membrane；
Step (iii)：By high temperature resistant negative and positive composite bed after progress maturation process 72h at a temperature of 55 DEG C, resistance to height is formed
Warm negative and positive composite membrane, by high temperature resistant negative and positive composite membrane heat seal bag on Bag Making Machine, form high temperature resistant negative and positive packaging bag.
Comparative example 1
The selection of thermostable transparent composite membrane：
From PET as the first middle level 12, food-grade RCPP is as the first internal layer 13.
The preparation of thermostable transparent composite membrane：
Step (a)：First middle level 12 is arranged on upper glue roller and uniformly coats polyurethane glue-line, its coated weight is
3.0g/m2, with the first internal layer 13 carry out it is compound after, 40 DEG C of dry 40h, formed thermostable transparent composite bed；
Step (b)：Thermostable transparent composite bed is subjected to maturation process 40h at a temperature of 40 DEG C, forms 70 μ m-thicks
Thermostable transparent composite membrane；
Step (c)：Thermostable transparent composite membrane is cut on demand, obtains thermostable transparent composite membrane semi-finished product.
The selection of the opaque foil laminated film of high temperature resistant：
From aluminium foil as the second middle level 22, food-grade RCPP is as the second internal layer 23.
The preparation of the opaque foil laminated film of high temperature resistant：
Step (A)：Second internal layer 23 is arranged on upper glue roller and uniformly coats polyurethane glue-line, its coated weight is
3.0g/m2, with the second middle level 22 carry out it is compound after, 40 DEG C of dry 40h, formed the opaque composite bed of high temperature resistant；
Step (B)：The opaque composite bed of high temperature resistant is subjected to maturation process 40h at a temperature of 40 DEG C, forms 70 μ m-thicks
The opaque composite membrane of high temperature resistant；
Step (C)：The opaque foil laminated film of high temperature resistant is cut on demand, the opaque aluminium foil of high temperature resistant is obtained and answers
Close film semi-finished product.
The preparation of high temperature resistant negative and positive packaging bag：
Step (i)：The printing-ink picture and text on high temperature-resistant printing film 11；
Step (ii)：The high temperature-resistant printing film 11 after printing will be completed to be arranged on upper glue roller and uniformly coat polyurethane adhesive
Layer, its coated weight is 3.0g/m2, answered respectively with thermostable transparent composite membrane semi-finished product, the opaque aluminium foil of high temperature resistant as outer layer
Close film semi-finished product join it is compound after, 40 DEG C of drys 40h, formation high temperature resistant negative and positive composite membrane；
Step (iii)：By high temperature resistant negative and positive composite bed after progress maturation process 40h at a temperature of 40 DEG C, resistance to height is formed
Warm negative and positive composite membrane, by high temperature resistant negative and positive composite membrane heat seal bag on Bag Making Machine, form high temperature resistant negative and positive packaging bag.
Comparative example 2
The selection of thermostable transparent composite membrane：
From PET as the first middle level 12, food-grade RCPP is as the first internal layer 13.
The preparation of thermostable transparent composite membrane：
Step (a)：First middle level 12 is arranged on upper glue roller and uniformly coats polyurethane glue-line, its coated weight is
4.8g/m2, with the first internal layer 13 carry out it is compound after, 60 DEG C of dry 80h, formed thermostable transparent composite bed；
Step (b)：Thermostable transparent composite bed is subjected to maturation process 80h at a temperature of 60 DEG C, forms 70 μ m-thicks
Thermostable transparent composite membrane；
Step (c)：Thermostable transparent composite membrane is cut on demand, obtains thermostable transparent composite membrane semi-finished product.
The selection of the opaque foil laminated film of high temperature resistant：
From aluminium foil as the second middle level 22, food-grade RCPP is as the second internal layer 23.
The preparation of the opaque foil laminated film of high temperature resistant：
Step (A)：Second internal layer 23 is arranged on upper glue roller and uniformly coats polyurethane glue-line, its coated weight is
4.8g/m2, with the second middle level 22 carry out it is compound after, 60 DEG C of dry 80h, formed the opaque composite bed of high temperature resistant；
Step (B)：The opaque composite bed of high temperature resistant is subjected to maturation process 80h at a temperature of 60 DEG C, forms 70 μ m-thicks
The opaque composite membrane of high temperature resistant；
Step (C)：The opaque foil laminated film of high temperature resistant is cut on demand, the opaque aluminium foil of high temperature resistant is obtained and answers
Close film semi-finished product.
The preparation of high temperature resistant negative and positive packaging bag：
Step (i)：The printing-ink picture and text on high temperature-resistant printing film 11；
Step (ii)：The high temperature-resistant printing film 11 after printing will be completed to be arranged on upper glue roller and uniformly coat polyurethane adhesive
Layer, its coated weight is 4.8g/m2, answered respectively with thermostable transparent composite membrane semi-finished product, the opaque aluminium foil of high temperature resistant as outer layer
Close film semi-finished product join it is compound after, 60 DEG C of drys 80h, formation high temperature resistant negative and positive composite membrane；
Step (iii)：By high temperature resistant negative and positive composite bed after progress maturation process 80h at a temperature of 60 DEG C, resistance to height is formed
Warm negative and positive composite membrane, by high temperature resistant negative and positive composite membrane heat seal bag on Bag Making Machine, form high temperature resistant negative and positive packaging bag.
In order to further illustrate beneficial effects of the present invention, the high temperature resistant provided embodiment 1 to 3 and comparative example 1 and 2 is cloudy
The indices for the high temperature resistant negative and positive packaging bag that the preparation method of positive packaging bag is prepared are detected, testing result such as table 1
It is shown.
The indices of the high temperature resistant negative and positive packaging bag of table 1
From These parameters as can be seen that the high temperature resistant negative and positive that the method provided using the embodiment of the present invention 1 to 3 is prepared
Packaging bag Coating combination function admirable, it is solid, firm, on tensile strength, elongation at break and heat sealing strength, have obvious
Advantage.
In summary, the preparation method of high temperature resistant negative and positive packaging bag provided by the invention, the preparation method procedure arrangement close
Reason, preparation technology is easy, and moderate cost, obtained packaging bag Coating combination function admirable is solid, firm, has good print
Brush and decorative, can realize sterilizing under conditions of thermophilic digestion, and have high temperature resistant, lucifuge concurrently, while visual function.
High temperature resistant negative and positive packaging bag provided by the invention, it is simultaneously thermostable transparent composite membrane, another side is the opaque aluminium foil of high temperature resistant
Composite membrane, the effect of shading was both served, enough product of the demonstration package in it of and can are durable, high-end and atmospheric, are applied to
A variety of industry packagings and food high temperature boiling packaging.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. preparation method of high temperature resistant negative and positive packaging bag, it is characterised in that including：Thermostable transparent composite membrane and the opaque foil laminated film of high temperature resistant, the high temperature resistant that will be prepared are prepared respectively Transparent composite membrane and the opaque foil laminated film of the high temperature resistant are cut, and the thermostable transparent after cutting is compound Film and the opaque foil laminated film of the high temperature resistant are compound with high temperature-resistant printing film (11) progress respectively, form high temperature resistant negative and positive and answer Film is closed, bag is carried out using the high temperature resistant negative and positive composite membrane as the tow sides of the high temperature resistant negative and positive packaging bag.
- 2. the preparation method of high temperature resistant negative and positive packaging bag according to claim 1, it is characterised in that the thermostable transparent Composite membrane includes the first middle level (12) and the first internal layer (13)；First middle level (12) is transparent secondary internal layer, and first internal layer (13) is transparent heat-sealing layer.
- 3. the preparation method of high temperature resistant negative and positive packaging bag according to claim 2, it is characterised in that the thermostable transparent The preparation method of composite membrane includes：Step (a)：First middle level (12) is arranged on upper glue roller and uniformly coats high-temperature-resistant adhesive, with described first After internal layer (13) progress is compound, dry, form thermostable transparent composite bed；Step (b)：The thermostable transparent composite bed is subjected to maturation process, forms the thermostable transparent composite membrane；Step (c)：The thermostable transparent composite membrane is cut on demand, obtains thermostable transparent composite membrane semi-finished product.
- 4. the preparation method of high temperature resistant negative and positive packaging bag according to claim 3, it is characterised in that the high temperature resistant is impermeable Bright foil laminated film includes the second middle level (22) and the second internal layer (23)；Second middle level (22) is opaque aluminium foil layer, and second internal layer (23) is transparent heat-sealing layer.
- 5. the preparation method of high temperature resistant negative and positive packaging bag according to claim 4, it is characterised in that the high temperature resistant is impermeable The preparation method of bright foil laminated film includes：Step (A)：Second internal layer (23) is arranged on upper glue roller and uniformly coats high-temperature-resistant adhesive, with described second After middle level (22) progress is compound, dry, form the opaque composite bed of high temperature resistant；Step (B)：The opaque composite bed of the high temperature resistant is subjected to maturation process, it is compound to form the opaque aluminium foil of the high temperature resistant Film；Step (C)：The opaque foil laminated film of the high temperature resistant is cut on demand, the opaque aluminium foil of high temperature resistant is obtained and answers Close film semi-finished product.
- 6. the preparation method of high temperature resistant negative and positive packaging bag according to claim 5, it is characterised in that the high temperature resistant negative and positive The preparation method of packaging bag also includes：Step (i)：The printing-ink picture and text on the high temperature-resistant printing film (11)；Step (ii)：The high temperature-resistant printing film (11) after printing will be completed to be arranged on upper glue roller and uniformly coat high temperature resistant Adhesive, as outer layer respectively with the thermostable transparent composite membrane semi-finished product, the opaque foil laminated film of the high temperature resistant half Finished product join it is compound after, dry, form high temperature resistant negative and positive composite bed；Step (iii)：After the high temperature resistant negative and positive composite bed is carried out into maturation process, the high temperature resistant negative and positive composite membrane is formed, By high temperature resistant negative and positive composite membrane heat seal bag on Bag Making Machine, the high temperature resistant negative and positive packaging bag is formed.
- 7. the preparation method of high temperature resistant negative and positive packaging bag according to claim 6, it is characterised in that the thermostable transparent Composite membrane is identical with the thickness of the opaque foil laminated film of the high temperature resistant；Preferably, the thermostable transparent composite membrane and institute The thickness for stating the opaque foil laminated film of high temperature resistant is 55-85 μm.
- 8. the preparation method of high temperature resistant negative and positive packaging bag according to claim 7, it is characterised in that the drying is baking Dry, the temperature of the drying is 45-55 DEG C, and the time of the drying is 48-72h.
- 9. a kind of high temperature resistant negative and positive packaging bag, it is characterised in that using the high temperature resistant negative and positive bag described in claim any one of 1-8 The preparation method of pack is prepared.
- 10. high temperature resistant negative and positive packaging bag according to claim 9, it is characterised in that on the high temperature-resistant printing film (11) Wet tissue bag and gloves bag are additionally provided with, the wet tissue bag is built with wet tissue, and the gloves bag is built with the thin gloves of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710573829.4A CN107351459A (en) | 2017-07-14 | 2017-07-14 | High temperature resistant negative and positive packaging bag and preparation method thereof |
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| CN201710573829.4A CN107351459A (en) | 2017-07-14 | 2017-07-14 | High temperature resistant negative and positive packaging bag and preparation method thereof |
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| CN107351459A true CN107351459A (en) | 2017-11-17 |
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| CN201710573829.4A Pending CN107351459A (en) | 2017-07-14 | 2017-07-14 | High temperature resistant negative and positive packaging bag and preparation method thereof |
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Cited By (2)
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| CN111634077A (en) * | 2020-06-06 | 2020-09-08 | 广东美士达药包材料股份有限公司 | Antistatic high-barrier yin-yang packaging bag for medicinal powder and preparation method thereof |
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| JP2004230567A (en) * | 2003-01-28 | 2004-08-19 | Toppan Printing Co Ltd | Transparent gas-barrier laminate |
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Application publication date: 20171117 |