CN208978408U - One kind being coated with ultralow separating force type mould polyester film online - Google Patents
One kind being coated with ultralow separating force type mould polyester film online Download PDFInfo
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- CN208978408U CN208978408U CN201821208611.5U CN201821208611U CN208978408U CN 208978408 U CN208978408 U CN 208978408U CN 201821208611 U CN201821208611 U CN 201821208611U CN 208978408 U CN208978408 U CN 208978408U
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Abstract
The utility model provides one kind and is coated with ultralow separating force type mould polyester film online, it include silicone coating, upper polyester matt layer, sandwich layer and lower polyester matt layer, the lower section of silicone coating is arranged in the upper polyester matt layer, and the lower section of upper polyester matt layer is arranged in the sandwich layer；The lower section of sandwich layer, 36-40 μm of the overall film thickness is arranged in the lower polyester matt layer.It is provided by the utility model to be coated with ultralow separating force type mould polyester film online, necessary intensity and elasticity are provided by the combination of four-layer structure, low stripping force regulator is added on the original basis, make the reduction of its peeling force, it solves the problems, such as to be coated with peeling force online higher, and the removing fluctuation in nigh velocity bedy production due to release film is also solved, cause part labels to fall off, the incident problem of high-speed productions such as part labels are not removed.
Description
Technical field
The utility model relates to thin film technique fields, more particularly to one kind to be coated with release polyester film online.
Background technique
Currently, high-speed labeling machine is widely used in the adhesive label of the industries such as food, medicine, electronics, daily use chemicals, toy, electricity
The packaging of sub- supervision code, bar code etc. labels, its main feature is that speed of production is fast, high production efficiency, can save a large amount of costs of labor.
Polyester as mating high-speed labeling machine applies silicon release film, it is desirable that peeling force is low, peeling force is stable, fluctuation is small, just adapts to paste
The rigors of mark machine high-speed production.
Traditional release film uses offline coating method, but offline coating has coating remnants then rate is low, portion
Divide silicon coating material that can be detached from, be adhered in the film printing surface layer contacted, influences the attachment for printing ink, cause then
Printing quality difference problem, and the polyester that is coated with online applies silicon release film and can solve this problem, and traditional offline coating gathers
Ester applies silicon release film remnants, and then rate highest only has 87%, and then rate can achieve online coated polyester painting silicon release film remnants
95% or more, due to being detached from substantially without silicon coating, label printing quality is good, but online coating is deposited compared with offline coating
In the problem that peeling force is higher, it is not able to satisfy the requirement of nigh velocity bedy.
Summary of the invention
In view of the above, it is necessary to provide one kind and be coated with ultralow separating force type mould polyester film online, have ultralight
Peeling force, the nigh velocity bedy for nigh velocity bedy equipment produce.
The technical solution adopted in the utility model is as follows: one kind being coated with ultralow separating force type mould polyester film online, including
There are silicone coating, upper polyester matt layer, sandwich layer and lower polyester matt layer, the upper polyester matt layer is arranged under silicone coating
The lower section of upper polyester matt layer is arranged in side, the sandwich layer；The lower section of sandwich layer is arranged in the lower polyester matt layer, and the film is total
36-40 μm of thickness.
The upper polyester matt layer, sandwich layer and lower polyester matt layer produce basement membrane using the three-layer co-extruded mode of ABA, then indulge
Draw, be coated with ultralow peeling force silicone emulsion online, through drying, it is horizontal draw, form a film after sizing, wherein upper polyester matt layer, sandwich layer and
Lower polyester matt layer thickness proportion is 1.5:6.5:1.5.
The manufacturing method of the polyester film is as follows:
1, the preparation that silicone applies: use painting silicon liquid host agent and adjuvant ratio for 8:2, total concentration 10%-30%；Wherein apply silicon
Liquid host agent is aqueous silicone, and adjuvant is the auxiliary agents such as defoaming agent, levelling agent, dispersing agent, stabilizer, total concentration 10%-30%, i.e.,
Host agent+adjuvant accounts for 10%-30%, and deionized water accounts for 90%-70%；
2, masking liquid prepared by step 1 is uniformly applied using the method being coated with online be located at upper polyester matt layer, sandwich layer and under
On the upper polyester matt layer that polyester matt layer uses ABA three-layer co-extruded, 10-20g/ square metres of wet coating amount；
3, using D-bar applicator roll, slit spray head is sprayed；
4, it is coated with online after vertical draw, before horizontal drawing；
5, it is dried in horizontal drawing baking oven after being coated with, 110 degrees Celsius of drying temperature, drying time 30 seconds or so；
6, three-layer co-extruded using ABA, the polyester slice masterbatch of upper polyester matt layer use addition abrasive silicas, two
Below silica concentration 10%；Sandwich layer is using the polyester slice neutrality material for not adding abrasive silicas；Lower polyester matt layer
Using addition abrasive silicas polyester slice masterbatch, silica concentration 10% hereinafter, upper polyester matt layer, sandwich layer and
Lower polyester matt layer thickness proportion is 1.5:6.5:1.5.
Further, in step 1, the defoaming agent is modified silicone aqueous defoamer, accounts for about total concentration 0.5%-1%；
Levelling agent is TEGO aqueous levelling agent, accounts for about total concentration 0.5%-2%；Dispersing agent is the aqueous dispersion containing anchoring group, about
Account for total concentration 0.5%；Stabilizer is the aqueous stabilizer of magnesium stearate class, accounts for about total concentration 0.5%.
Compared with the prior art, the utility model has the following beneficial effects: it is provided by the utility model be coated with online it is ultralow
Separating force type mould polyester film provides necessary intensity and elasticity by the combination of four-layer structure, adds on the original basis
Low stripping force regulator makes the reduction of its peeling force, solves the problems, such as to be coated with peeling force online higher, and also solves at a high speed
Due to the removing fluctuation of release film in labeling production, part labels are caused to fall off, part labels are not removed etc., and high-speed productions are easy
The problem of generation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram described in the utility model for being coated with ultralow separating force type mould polyester film online.
Specific embodiment
In order to describe the technical content, the structural feature, the achieved object and the effect of this invention in detail, below in conjunction with embodiment
And attached drawing is cooperated to be explained in detail.
As shown in Figure 1, a kind of be coated with ultralow separating force type mould polyester film online, it is disposed with silicone painting from top to bottom
Layer, upper polyester matt layer, sandwich layer and lower polyester matt layer, wherein first layer is the silicone coating of ultralow peeling force, using low stripping
Aqueous silicone emulsion from power, thickness are preferably 1-2 μm；The second layer is upper polyester matt layer, and thickness is preferably 6 μm, is adopted
With matt polyester masterbatch, it is added with abrasive silicas, silica concentration 10% is hereinafter, can improve the winding of film
Can, and because there is the silicone coating of first layer above, also increase the binding force with silicone coating；Third layer is core
Layer, thickness is preferably 26 μm, using neutral polyester masterbatch, does not add abrasive silicas, plays a supporting role；4th layer
For lower polyester matt layer, thickness is preferably 6 μm, using matt polyester masterbatch, adds abrasive silicas, silica is dense
Degree 10% is hereinafter, to improve the winding performance of film, which is 36-40 μm.
The upper polyester matt layer, sandwich layer and lower polyester matt layer produce basement membrane using the three-layer co-extruded mode of ABA, then indulge
Draw, be coated with ultralow peeling force silicone emulsion online, through drying, it is horizontal draw, form a film after sizing, wherein upper polyester matt layer, sandwich layer and
Lower polyester matt layer thickness proportion is 1.5:6.5:1.5.
The manufacturing method of the polyester film is as follows:
1, the preparation that silicone applies: use painting silicon liquid host agent and adjuvant ratio for 8:2, total concentration 10%-30%；Wherein apply silicon
Liquid host agent is aqueous silicone, and adjuvant is the auxiliary agents such as defoaming agent, levelling agent, dispersing agent, stabilizer, total concentration 10%-30%, i.e.,
Host agent+adjuvant accounts for 10%-30%, and deionized water accounts for 90%-70%；
2, masking liquid prepared by step 1 is uniformly applied using the method being coated with online be located at upper polyester matt layer, sandwich layer and under
On the upper polyester matt layer that polyester matt layer uses ABA three-layer co-extruded, 10-20g/ square metres of wet coating amount；
3, using D-bar applicator roll, slit spray head is sprayed；
4, it is coated with online after vertical draw, before horizontal drawing；
5, it is dried in horizontal drawing baking oven after being coated with, 110 degrees Celsius of drying temperature, drying time 30 seconds or so；
6, three-layer co-extruded using ABA, the polyester slice masterbatch of upper polyester matt layer use addition abrasive silicas, two
Below silica concentration 10%；Sandwich layer is using the polyester slice neutrality material for not adding abrasive silicas；Lower polyester matt layer
Using addition abrasive silicas polyester slice masterbatch, silica concentration 10% hereinafter, upper polyester matt layer, sandwich layer and
Lower polyester matt layer thickness proportion is 1.5:6.5:1.5.
Further, in step 1, the defoaming agent is modified silicone aqueous defoamer, accounts for about total concentration 0.5%-1%；
Levelling agent is TEGO aqueous levelling agent, accounts for about total concentration 0.5%-2%；Dispersing agent is the aqueous dispersion containing anchoring group, about
Account for total concentration 0.5%；Stabilizer is the aqueous stabilizer of magnesium stearate class, accounts for about total concentration 0.5%.
It is manufactured using aforesaid way, through detecting, which reaches following performance, and it compares and sees attached list with conventional products:
Subordinate list: with conventional products contrast table
As can be seen from the above table, by comparison, ultralow separating force type mould polyester film elasticity is more preferable, and hardness is low, and mist degree is small,
Percent thermal shrinkage is lower (deformation is small), and the thickness uniformity is also more preferable, and can reach scheduled stable peeling force and apply silicon layer remnants and connect
Rate requirement.
It is on probation through downstream client, the nigh velocity bedy production requirement of nigh velocity bedy equipment can be reached, production stability is good.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure transformation made by description of the invention and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (2)
1. one kind be coated with ultralow separating force type mould polyester film online, include silicone coating, upper polyester matt layer, sandwich layer and under
Polyester matt layer, it is characterised in that: the lower section of silicone coating is arranged in the upper polyester matt layer, and the sandwich layer setting is upper poly-
The lower section of ester matt layer；The lower section of sandwich layer, the upper polyester matt layer, sandwich layer and lower polyester is arranged in the lower polyester matt layer
Matt layer produces basement membrane using the three-layer co-extruded mode of ABA, which is 36-40 μm.
2. according to claim 1 be coated with ultralow separating force type mould polyester film online, it is characterised in that: the upper polyester
Matt layer, sandwich layer and lower polyester matt layer thickness proportion are 1.5:6.5:1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208611.5U CN208978408U (en) | 2018-07-28 | 2018-07-28 | One kind being coated with ultralow separating force type mould polyester film online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208611.5U CN208978408U (en) | 2018-07-28 | 2018-07-28 | One kind being coated with ultralow separating force type mould polyester film online |
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| Publication Number | Publication Date |
|---|---|
| CN208978408U true CN208978408U (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821208611.5U Active CN208978408U (en) | 2018-07-28 | 2018-07-28 | One kind being coated with ultralow separating force type mould polyester film online |
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| Country | Link |
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| CN (1) | CN208978408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943957A (en) * | 2018-07-28 | 2018-12-07 | 汕头海洋第聚酯薄膜有限公司 | One kind being coated with ultralow separating force type mould polyester film and preparation method thereof online |
| CN114393904A (en) * | 2022-01-20 | 2022-04-26 | 宁波勤邦新材料科技有限公司 | Base film of release film for multilayer ceramic capacitor |
-
2018
- 2018-07-28 CN CN201821208611.5U patent/CN208978408U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943957A (en) * | 2018-07-28 | 2018-12-07 | 汕头海洋第聚酯薄膜有限公司 | One kind being coated with ultralow separating force type mould polyester film and preparation method thereof online |
| CN114393904A (en) * | 2022-01-20 | 2022-04-26 | 宁波勤邦新材料科技有限公司 | Base film of release film for multilayer ceramic capacitor |
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