CN106313857A - Manufacturing technique of self-bleeding microwave-heating easy-tear cover film - Google Patents
Manufacturing technique of self-bleeding microwave-heating easy-tear cover film Download PDFInfo
- Publication number
- CN106313857A CN106313857A CN201510397033.9A CN201510397033A CN106313857A CN 106313857 A CN106313857 A CN 106313857A CN 201510397033 A CN201510397033 A CN 201510397033A CN 106313857 A CN106313857 A CN 106313857A
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- Prior art keywords
- layer
- sealing layer
- hot sealing
- printing
- ethylene
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B37/1284—Application of adhesive
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/14—Printing or colouring
- B32B38/145—Printing
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
- B32B2038/045—Slitting
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
- B32B2038/047—Perforating
Abstract
The invention relates to a manufacturing technique of a self-bleeding microwave-heating easy-tear cover film. The easy-tear cover film comprises a printing layer, an ink layer, a glue layer and a heat sealing layer from top to bottom, wherein the printing layer is printed by an intaglio printing technique; the ink layer is printed by a benzene-free ketone-free ink; and the heat sealing layer is prepared by proportionally carrying out film blowing on an ethylene/ethylene-polyether glycol graft polymer (polymer polylol for short)/ethylene-propylene blend and modified ethylene-vinyl acetate. The compounding technique adopts a technique of printing layer positioning sizing matched with bleeding hole making in the heat sealing layer; in the positioning sizing process, sizing is not performed in a certain width range of a predesigned longitudinal bleeding passage; the bleeding hole is made in the heat sealing layer in the corresponding central position of the bleeding passage from the lower surface of the heat sealing layer to the upper surface of the heat sealing layer; and the printing layer and the heat sealing layer film are compounded by composite rollers and composite pressure rollers.
Description
Technical field
The present invention relates to microwave heating of food packaging field, the life easily tearing sealing epiphragma of the most box-packed microwave heating mess-tin
Produce manufacturing process.
Background technology
Mess-tin sealing epiphragma in the market has the most not enough of several respects and defect to have: one, easy-to-rupture is poor, refers mainly to epiphragma
The highest with the heat seal strength of cup material, consumer is difficult to the most free-hand tearing, and may often be such that and needs to break, easily with sharp objects such as knives and forks
Cause sending of injury；Two, there is no microwave heating exhaust ports design, the design that the steam produced when product is not by heating is discharged,
There is steam pressure to increase and the danger that bursts when heating, need consumer to stab exhaust hole before heating on product, hole big
Little and quantity is difficult to accomplish suitably to measure；Three, with the presence of the obvious defect of product of vent design: ratio is wide in the market
Use a kind of vent design be epiphragma be the composite construction of two-layer, outer layer for printing layer, internal layer is hot sealing layer, is composited,
Combination process is for using location gluing, and exhaust passage position not gluing, hot sealing layer is indulged in corresponding regional center position, exhaust passage
To incision, compound after formed can the passage of aerofluxus.But this series products exist obvious defect for 1., product appearance gauffer serious:
Owing on position, exhaust passage, product structure only has monolayer print film, this regional location product front fold is serious, affects outside product
See；2., air vent has health concerns: under tension, hot sealing layer can crimp hot sealing layer to both sides, and content can be with
Printing-ink large area directly contacts.Additionally air vent is a wider open passage, and extraneous dust is likely to enter, and deposits
In health concerns；3. manufacture difficulty is big, and under tension, hot sealing layer can crimp, easily the hot sealing layer cut completely through to both sides
Addressee is caused to crumple and quick-fried muscle.
Summary of the invention
The present invention solves the problem of above-mentioned existence well, in safety, protectiveness, ease of use and the production work of product
Skill convenience aspect has improvement greatly, meets the demand in market.
The present invention solves its technical problem and uses following technical scheme: a kind of can the system of self-bleeding microwave heating Easy-to-peel cover film
Making technique, Easy-to-peel cover film includes printing layer, ink layer, glue layer, hot sealing layer from top to bottom, and processing technology is as follows:
One, printing layer is with PET or ONY as printing element, uses gravure printing technique to carry out printing prepared print film and is ink layer,
Ink layer uses benzene-free ketone-free ink.
The CPE thin film of three layers or five layers blown film based on two, hot sealing layer thin film uses PE, optimum thickness is in (40～80)
Between μm, hot sealing layer core formulation uses ethylene (to be called for short: polymer is many with the graft polymers of ethylene-polyether polyol
Unit's alcohol) form with the ethane-acetic acid ethyenyl ester proportioning blown film by a certain percentage of ethylene-propylene blend and modification, usual matter
Amount proportioning is ethylene: polymer polyatomic alcohol: ethylene-propylene blend: modified ethane-acetic acid ethyenyl ester=(1～3): (1～
3): (1～3): (3～5).
Three, using dry-lamination process to coordinate hot sealing layer to beat steam vent ink layer location gluing, location gluing is divided into glue spreader not
Glued area and glue spreader glued area, in position, the longitudinal exhaust passage one fixed width scope not gluing being pre-designed,
Steam vent beaten by the hot sealing layer center punching pricker in corresponding exhaust passage, and direction is for get to from hot sealing layer lower surface
Hot sealing layer upper surface, the diameter of pin hole and density can be able to be selected according to the difference such as heating-up temperature of the water content of product, needs
Select the pricker that suitably punches, to realize optimal exhaust effect, then incite somebody to action printing layer and through composite roll and answer with hot sealing layer thin film
Combined pressure roller is combined.
Four, through compound composite membrane after health-preserving chamber health preserving, carry out cutting rolling.
Described can the processing technology of self-bleeding microwave heating Easy-to-peel cover film, it is characterized in that: described printing layer thickness is (12
-15)μm。
Described can the processing technology of self-bleeding microwave heating Easy-to-peel cover film, it is characterized in that: hot sealing layer by the adjustment of proportioning with
The cup of the unlike materials such as PP, PS coordinates can realize controlled, according to client in the range of (4～25) N/15mm of heat seal strength
Require and product demand selects optimal ratio, to realize optimal heat seal strength, and there is good sealing and easy-to-rupture.
Accompanying drawing explanation
Fig. 1 is location gluing and the combination process schematic diagram of punching of the present invention.
Fig. 2 is the product structure schematic diagram of the present invention.
Wherein, 1 printing layer, 2 ink layeies, 3 glue layers, 4 hot sealing layers, 5 steam vents, 6 glue spreaders not glued area, 7 glue spreaders
Glued area, 8 composite rolls, 9 composite press rollers, 10 punching prickers.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
Referring to the drawings the most shown, a kind of can the processing technology of self-bleeding microwave heating Easy-to-peel cover film, Easy-to-peel cover film is wrapped from top to bottom
Including printing layer 1, ink layer 2, glue layer 3, hot sealing layer 4, processing technology embodiment 1 is as follows:
One, printing layer 1 is with PET as printing element, optimal 12 μm, uses gravure printing technique to carry out printing prepared print film and is oil
Layer of ink 2, ink uses benzene-free ketone-free ink.
The CPE thin film of three layers of blown film based on two, hot sealing layer 4 thin film uses PE, optimal 40 μm；Hot sealing layer 4 internal layer is joined
Side presses with the ethane-acetic acid ethyenyl ester of ethylene-propylene blend and modification with the graft polymers of ethylene-polyether polyol for ethylene
Mass ratio 1: 1: 1: 3, the heat seal strength coordinated with PS and PP cup material all, in the range of (10～15) N/15mm, has good
Sealing and easy-to-rupture.
Three, using dry-lamination process that ink layer 2 positions gluing coordinates 4 dozens of steam vents of hot sealing layer, location gluing to be divided into glue spreader not
Glued area 6 and glue spreader glued area 7, in position, the longitudinal exhaust passage 6 one fixed width scope not gluing being pre-designed,
Hot sealing layer 4 is at center punching 10 dozens of steam vents 5 of pricker of corresponding exhaust passage 6, and direction is from hot sealing layer 4 following table
Hot sealing layer 4 upper surface is got in face, a diameter of 1mm of pin hole, density be pitch of holes be 3mm, there is good exhaust effect.Do
For the dry multiple all-in-one of printing preferably can be used once to complete, to obtain locating effect accurately, then will printing layer and hot sealing layer thin film
It is combined through composite roll 8 and composite press roller 9.
Four, through compound composite membrane after health-preserving chamber health preserving, carry out cutting rolling.
Competing product production technology in the market is to cut a line with cutting knife on hot sealing layer 4 to form the mode of exhaust passage, this side
The fatal defects of formula is that hot sealing layer 4 can form an open passage to both sides curling under tension, and content can
Directly to contact with printing ink layer 2 large area, extraneous dust is likely to enter, and there is potential safety hazard, and hot sealing layer 4 is to both sides
Curling, also resulting in product certified products fold affects outward appearance, and during production, hot sealing layer crimps to both sides, easily causes addressee and crumples and quick-fried muscle,
And above hidden danger can be prevented effectively from by the present invention.
The above is only embodiments of the invention, not thereby just limits the scope of the claims of the present invention, every says based on the present invention
The equivalent transformation that bright book and accompanying drawing are made, or direct or indirect it is used in other correlative technology fields, belong to patent of the present invention
Protection category.
Claims (3)
1. can the processing technology of self-bleeding microwave heating Easy-to-peel cover film, this Easy-to-peel cover film includes printing layer, oil from top to bottom
Layer of ink, glue layer, hot sealing layer, processing technology is as follows:
One, printing layer is with PET or ONY as printing element, uses gravure printing technique to carry out printing prepared print film and is ink layer,
Ink layer uses benzene-free ketone-free ink.
The CPE thin film of three layers or five layers blown film based on two, hot sealing layer thin film uses PE, optimum thickness is in (40～80)
Between μm, hot sealing layer core formulation uses ethylene (to be called for short: polymer is many with the graft polymers of ethylene-polyether polyol
Unit's alcohol) form with the ethane-acetic acid ethyenyl ester proportioning blown film by a certain percentage of ethylene-propylene blend and modification, usual matter
Amount proportioning is ethylene: polymer polyatomic alcohol: ethylene-propylene blend: modified ethane-acetic acid ethyenyl ester=(1～3): (1～
3): (1～3): (3～5).
Three, using dry-lamination process to coordinate hot sealing layer to beat steam vent ink layer location gluing, location gluing is divided into glue spreader not
Glued area and glue spreader glued area, in position, the longitudinal exhaust passage one fixed width scope not gluing being pre-designed,
Steam vent beaten by the hot sealing layer center punching pricker in corresponding exhaust passage, and direction is for get to from hot sealing layer lower surface
Hot sealing layer upper surface, the diameter of pin hole and density can be able to be selected according to the difference such as heating-up temperature of the water content of product, needs
Select the pricker that suitably punches, to realize optimal exhaust effect, then incite somebody to action printing layer and through composite roll and answer with hot sealing layer thin film
Combined pressure roller is combined.
Four, through compound composite membrane after health-preserving chamber health preserving, carry out cutting rolling.
The most according to claim 1 can the processing technology of self-bleeding microwave heating Easy-to-peel cover film, it is characterized in that: described
Printing layer thickness is (12-15) μm.
The most according to claim 1 can the processing technology of self-bleeding microwave heating Easy-to-peel cover film, it is characterized in that: described
Hot sealing layer is coordinated by the cup of the unlike materials such as the adjustment of proportioning and PP, PS can realize heat seal strength at (4～25) N/15mm model
Enclose interior controlled, select optimal ratio according to customer requirement and product demand, to realize optimal heat seal strength, and have
Good sealing and easy-to-rupture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397033.9A CN106313857A (en) | 2015-07-03 | 2015-07-03 | Manufacturing technique of self-bleeding microwave-heating easy-tear cover film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397033.9A CN106313857A (en) | 2015-07-03 | 2015-07-03 | Manufacturing technique of self-bleeding microwave-heating easy-tear cover film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106313857A true CN106313857A (en) | 2017-01-11 |
Family
ID=57725981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510397033.9A Pending CN106313857A (en) | 2015-07-03 | 2015-07-03 | Manufacturing technique of self-bleeding microwave-heating easy-tear cover film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106313857A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606510A (en) * | 2020-12-28 | 2021-04-06 | 福建鹏达包装材料有限公司 | Automatic exhaust packaging film capable of being heated by microwave and preparation process thereof |
| CN113103728A (en) * | 2021-05-19 | 2021-07-13 | 上海紫江彩印包装有限公司 | On-line preparation method and system device of easy-to-tear composite film and prepared composite film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202201270U (en) * | 2011-08-01 | 2012-04-25 | 邱志宏 | Improved microwave bag structure |
| CN202923035U (en) * | 2012-12-17 | 2013-05-08 | 惠州宝柏包装有限公司 | Microwaveable composite flexible package film, automatic-exhaust package film for microwave oven and package bag |
| CN203667199U (en) * | 2014-01-10 | 2014-06-25 | 上海大城包装材料有限公司 | Gas-permeable membrane cover |
-
2015
- 2015-07-03 CN CN201510397033.9A patent/CN106313857A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202201270U (en) * | 2011-08-01 | 2012-04-25 | 邱志宏 | Improved microwave bag structure |
| CN202923035U (en) * | 2012-12-17 | 2013-05-08 | 惠州宝柏包装有限公司 | Microwaveable composite flexible package film, automatic-exhaust package film for microwave oven and package bag |
| CN203667199U (en) * | 2014-01-10 | 2014-06-25 | 上海大城包装材料有限公司 | Gas-permeable membrane cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606510A (en) * | 2020-12-28 | 2021-04-06 | 福建鹏达包装材料有限公司 | Automatic exhaust packaging film capable of being heated by microwave and preparation process thereof |
| CN113103728A (en) * | 2021-05-19 | 2021-07-13 | 上海紫江彩印包装有限公司 | On-line preparation method and system device of easy-to-tear composite film and prepared composite film |
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Application publication date: 20170111 |