CN204977678U - PVC (polyvinyl chloride) protective film - Google Patents
PVC (polyvinyl chloride) protective film Download PDFInfo
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- CN204977678U CN204977678U CN201520444746.1U CN201520444746U CN204977678U CN 204977678 U CN204977678 U CN 204977678U CN 201520444746 U CN201520444746 U CN 201520444746U CN 204977678 U CN204977678 U CN 204977678U
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- pvdc
- sensitive adhesive
- adhesive layer
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Abstract
The utility model discloses a PVC (polyvinyl chloride) protective film, PVC (polyvinyl chloride) protective film is from top to bottom in proper order including having added the first isolation layer of pressure sensitive adhesive layer, PVDC that can absorb the auxiliary agent of plasticizer, having added PVC base film layer, PVDC second septum absciss layer and the mould release layer of plasticizer, pressure sensitive adhesive layer directly coats the surface of the first isolation layer of PVDC, the first isolation layer of PVDC is located between pressure sensitive adhesive layer and the PVC base film layer, and the first isolation layer of PVDC can prevent that the plasticizer from moving pressure sensitive adhesive layer from PVC base film layer, PVDC second septum absciss layer is located between PVC base film layer and the mould release layer, and PVDC second septum absciss layer can prevent that the plasticizer from permeating the pressure sensitive adhesive layer after the lapping is moved on the mould release layer from PVC base film layer, and the mould release layer can prevent the counter not rubberised layer that glues of the rubberised layer of the protection film of lapping to the goods uncoiling. The utility model discloses a PVC (polyvinyl chloride) protective film makes things convenient for the uncoiling, can effectively prevent and reduce pressure sensitive adhesive layer and drop, covers the direct subsides of this PVC (polyvinyl chloride) protective film when the panel, effectively reduces to appear on the panel probability of defects such as cull, ghost.
Description
Technical field
The utility model belongs to diaphragm field, is specifically related to a kind of PVC diaphragm.
Background technology
PVC diaphragm is a kind of plastic protective film for plastics, and it is rolled by polyvinyl chloride and plasticizer, heat stabilizer, modifier, ultraviolet absorber etc. to form, and its character is more soft, than the good mechanical property of PE film.PVC diaphragm according to the difference of formula, can make the diaphragm that performance requirement is better than PE film, for the protection of the material having particular/special requirement.
Existing PVC diaphragm, when with the addition of glue-line in order to adhere to sheet material at PVC diaphragm, portions additive if plasticizer is easily from PVC diaphragm internal migration to glue-line, thus causes the glue-line of diaphragm to come off, and viscosity is reduced.If after the rolling of this PVC diaphragm, plasticizer precipitate into glue-line from PVC diaphragm back and glue-line can be caused to come off, and is directly covered on sheet material by such PVC diaphragm, easily produces the defect such as cull, ghost.
Utility model content
For the deficiencies in the prior art; the purpose of this utility model is to provide a kind of PVC diaphragm, facilitates uncoiling, effectively can stop and reduce pressure-sensitive adhesive layer to come off; when this PVC diaphragm is directly covered in sheet material, effectively reduce probability sheet material occurring the defect such as cull, ghost.
For reaching this object, the utility model by the following technical solutions:
A kind of PVC diaphragm; described PVC diaphragm comprises the pressure-sensitive adhesive layer of the auxiliary agent that with the addition of Absorbable rod plasticizer, PVDC first separation layer, the PVC base film layer that with the addition of described plasticizer, PVDC second separation layer and parting agent layer from top to bottom successively, and described pressure-sensitive adhesive layer directly coats the surface of described PVDC first separation layer.
Wherein, PVDC in PVDC first separation layer and PVDC second separation layer take vinylidene chloride as the copolymer of main component, it is the perfect package material that a kind of barrier is high, toughness strong and low-temperature heat-sealing, heat-shrinkable and chemical stability are good, take the course of its own at packaging industry, particularly its have that resistance is wet, resistance oxygen, protection against the tide, acid and alkali-resistance, the performance such as resistance to oil immersion and resistant to many chemical solvent, be widely used in the packaging of food, medicine, military products.PVDC has linear polymerization chain structure from beginning to end, (...-CH
2-CCl
2-CH
2-CCl
2-...), its molecular structure has high symmetry, makes polymer have high-crystallinity, high density, and intermolecular cohesiveness is strong, thus effectively stops the plasticizer in PVC base film layer to transfer to pressure-sensitive adhesive layer.
Wherein, parting agent layer is the anti-sticky non-rubberised layer of rubberised layer of the diaphragm in order to prevent rolling, so that goods uncoiling.Different by the occupation mode of mould release, mould release is divided into interior mould release and outer mould release two class, in interior mould release, mould release is the compound that some fusing points are slightly lower than common mold temperature, added in thermoforming process in resin, it is compatible with liquid resin, but incompatible with cured resin, under certain processing temperature condition, ooze out from resin matrix, form one deck barrier film between mould and goods, outer mould release is directly coated on mould by mould release; Different by the state of mould release, mould release is divided into film-type (mainly containing polyester, polyethylene, polyvinyl chloride, glassine paper, fluorine plastic film), solution-type (mainly containing hydro carbons, alcohols, carboxylic acid and carboxylate, the slaine of carboxylic acid, ketone, acid amides and halogenated hydrocarbons), paste and wax-like (comprising solution and the wax pattern of estersil, the heat-resisting ointment of HK-50, steam cylinder oil, gasoline and pitch); Single type and compound mould release (comprising the compound in component compound and occupation mode) is had by the combined situation of mould release; Normal temperature type and high temperature modification mould release is had, as normal temperature wax, high temperature wax and stearates by the serviceability temperature of mould release; Inorganic mould release (as talcum powder, kaolin etc.) and organic mould release is had by its chemical composition; By its multiplexing number once property mould release and muptiple-use mould release.Preferably, the mould release in described parting agent layer is film-type mould release; Described plasticizer is dioctyl phthalate and/or diisononyl phthalate; Described pressure-sensitive adhesive layer for the addition of percentage by weight for auxiliary agent described in the pressure-sensitive adhesive layer of the auxiliary agent of 5 ~ 15% Absorbable rod plasticizer be rubber.
Wherein, the thickness of described pressure-sensitive adhesive layer is 2 μm ~ 6 μm, such as 2 μm, 3 μm, 4 μm, 5 μm, 6 μm.
Wherein, the thickness of described PVDC first separation layer and PVDC second separation layer is respectively 2 μm ~ 5 μm, such as 2 μm, 3 μm, 4 μm, 5 μm.
Wherein, the thickness of described PVC base film layer is 20 μm ~ 60 μm, such as 20 μm, 25 μm, 30 μm, 35 μm, 40 μm, 45 μm, 50 μm, 55 μm, 60 μm.
Wherein, the thickness of described parting agent layer is 0.1 μm ~ 0.5 μm, such as 0.1 μm, 0.2 μm, 0.3 μm, 0.4 μm, 0.5 μm.
Compared with prior art, the beneficial effects of the utility model are: a kind of PVC diaphragm, described PVC diaphragm comprises the pressure-sensitive adhesive layer of the auxiliary agent that with the addition of Absorbable rod plasticizer, PVDC first separation layer, the PVC base film layer that with the addition of described plasticizer, PVDC second separation layer and parting agent layer from top to bottom successively, and described pressure-sensitive adhesive layer directly coats the surface of described PVDC first separation layer; PVDC first separation layer is located between pressure-sensitive adhesive layer and PVC base film layer, and PVDC first separation layer can prevent plasticizer from moving to pressure-sensitive adhesive layer from PVC base film layer; PVDC second separation layer is located between PVC base film layer and parting agent layer, PVDC second separation layer can prevent plasticizer from penetrating parting agent layer from PVC base film layer and move to the pressure-sensitive adhesive layer after rolling, parting agent layer can prevent the anti-sticky non-rubberised layer of the rubberised layer of the diaphragm of rolling, so that goods uncoiling; In addition, pressure-sensitive adhesive layer with the addition of the auxiliary agent of plasticizer described in Absorbable rod, can effectively prevent plasticizer from from PVC base film layer, separating out the impact produced pressure-sensitive adhesive layer.Therefore, PVC diaphragm of the present utility model, effectively can stop and reduce pressure-sensitive adhesive layer and come off, and when this PVC diaphragm is directly covered in sheet material, effectively reduces probability sheet material occurring the defect such as cull, ghost.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of PVC diaphragm of the present utility model.
Reference numeral is as follows:
1-pressure-sensitive adhesive layer; 2-PVDC first separation layer; 3-PVC base membrane layer; 4-PVDC second separation layer; 5-parting agent layer.
Detailed description of the invention
Accompanying drawing further illustrate the technical solution of the utility model by detailed description of the invention below.
A kind of PVC diaphragm, PVC diaphragm comprises pressure-sensitive adhesive layer 1, PVDC first separation layer 2, PVC base film layer 3, PVDC second separation layer 4 and parting agent layer 5 from top to bottom successively, and pressure-sensitive adhesive layer 1 directly coats the surface of PVDC first separation layer 2; Wherein, PVC base film layer 3 is for the addition of the PVC base film layer of plasticizer, pressure-sensitive adhesive layer 1 is for the addition of the pressure-sensitive adhesive layer of the auxiliary agent of Absorbable rod plasticizer, the thickness of pressure-sensitive adhesive layer 1 is 2 ~ 6 μm, the thickness of PVDC first separation layer 2 and PVDC second separation layer 4 is respectively 2 ~ 5 μm, the thickness of PVC base film layer 3 is 20 ~ 60 μm, and the thickness of parting agent layer 5 is 0.1 ~ 0.5 μm.PVDC first separation layer 2 is located between pressure-sensitive adhesive layer 1 and PVC base film layer 3, and PVDC first separation layer 2 can prevent plasticizer from moving to pressure-sensitive adhesive layer 1 from PVC base film layer 3; PVDC second separation layer 4 is located between PVC base film layer 3 and parting agent layer 5, PVDC second separation layer 4 can prevent plasticizer from penetrating parting agent layer 5 from PVC base film layer 3 and move to the pressure-sensitive adhesive layer after rolling 1, parting agent layer 5 can prevent the anti-sticky non-rubberised layer of the rubberised layer of the diaphragm of rolling, so that goods uncoiling; In addition, pressure-sensitive adhesive layer 1 with the addition of the auxiliary agent of plasticizer described in Absorbable rod, can effectively prevent plasticizer from from PVC base film layer 3, separating out the impact produced pressure-sensitive adhesive layer 1.
As an embodiment of the present utility model, PVC diaphragm is by 3 μm of thick pressure-sensitive adhesive layers, 4 μm of thick PVDC first separation layers, 30 μm of thick PVC base film layers, 4 μm of thick PVDC second separation layers and 0.1 μm of thick parting agent layer, in parting agent layer, mould release is polyamide, wherein, plasticizer phthalic acid dioctyl ester is included in PVC base film layer, the rubber that percentage by weight is 10% Absorbable rod dioctyl phthalate is with the addition of in pressure-sensitive adhesive layer, in the production process of PVC diaphragm during rolling glue-line without coming off, the above-mentioned PVC diaphragm of preparation is covered on quasi-viscous effect on sheet material good, remain without cull when PVC diaphragm is taken off.
As another embodiment of the present utility model, PVC diaphragm is by 5 μm of thick pressure-sensitive adhesive layers, 5 μm of thick PVDC first separation layers, 60 μm of thick PVC base film layers, 5 μm of thick PVDC second separation layers and 0.5 μm of thick parting agent layer, in parting agent layer, mould release is polyamide, wherein, plasticizer phthalic acid dinonyl is included in PVC base film layer, the rubber that percentage by weight is 10% Absorbable rod diisononyl phthalate is with the addition of in pressure-sensitive adhesive layer, in the production process of PVC diaphragm during rolling glue-line without coming off, the above-mentioned PVC diaphragm of preparation is covered on quasi-viscous effect on sheet material good, remain without cull when PVC diaphragm is taken off.
PVC diaphragm of the present utility model, facilitates uncoiling, effectively can stop and reduce pressure-sensitive adhesive layer to come off, and when this PVC diaphragm is directly covered in sheet material, effectively reduces probability sheet material occurring the defect such as cull, ghost.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (5)
1. a PVC diaphragm; it is characterized in that; described PVC diaphragm comprises the pressure-sensitive adhesive layer (1) of the auxiliary agent that with the addition of Absorbable rod plasticizer, PVDC first separation layer (2), the PVC base film layer (3) that with the addition of described plasticizer, PVDC second separation layer (4) and parting agent layer (5) from top to bottom successively, and described pressure-sensitive adhesive layer (1) directly coats the surface of described PVDC first separation layer (2).
2. a kind of PVC diaphragm according to claim 1, is characterized in that, the thickness of described pressure-sensitive adhesive layer (1) is 2 μm ~ 6 μm.
3. a kind of PVC diaphragm according to claim 1, is characterized in that, the thickness of described PVDC first separation layer (2) and PVDC second separation layer (4) is respectively 2 μm ~ 5 μm.
4. a kind of PVC diaphragm according to claim 1, is characterized in that, the thickness of described PVC base film layer (3) is 20 μm ~ 60 μm.
5. a kind of PVC diaphragm according to claim 1, is characterized in that, the thickness of described parting agent layer (5) is 0.1 μm ~ 0.5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444746.1U CN204977678U (en) | 2015-06-26 | 2015-06-26 | PVC (polyvinyl chloride) protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444746.1U CN204977678U (en) | 2015-06-26 | 2015-06-26 | PVC (polyvinyl chloride) protective film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204977678U true CN204977678U (en) | 2016-01-20 |
Family
ID=55112088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520444746.1U Expired - Fee Related CN204977678U (en) | 2015-06-26 | 2015-06-26 | PVC (polyvinyl chloride) protective film |
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| Country | Link |
|---|---|
| CN (1) | CN204977678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684226A (en) * | 2019-10-12 | 2020-01-14 | 乐凯胶片股份有限公司 | PVC composite film material for printing |
| CN111276282A (en) * | 2020-01-06 | 2020-06-12 | 湖北平安电工股份有限公司 | Non-anti-sticking fire-resistant mica tape and preparation method thereof |
-
2015
- 2015-06-26 CN CN201520444746.1U patent/CN204977678U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684226A (en) * | 2019-10-12 | 2020-01-14 | 乐凯胶片股份有限公司 | PVC composite film material for printing |
| CN110684226B (en) * | 2019-10-12 | 2022-05-13 | 乐凯胶片股份有限公司 | PVC composite film material for printing |
| CN111276282A (en) * | 2020-01-06 | 2020-06-12 | 湖北平安电工股份有限公司 | Non-anti-sticking fire-resistant mica tape and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20180626 |