CN104943307A - PVC protective film - Google Patents
PVC protective film Download PDFInfo
- Publication number
- CN104943307A CN104943307A CN201510359128.1A CN201510359128A CN104943307A CN 104943307 A CN104943307 A CN 104943307A CN 201510359128 A CN201510359128 A CN 201510359128A CN 104943307 A CN104943307 A CN 104943307A
- Authority
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- China
- Prior art keywords
- layer
- pvc
- sensitive adhesive
- pvdc
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title abstract description 7
- 239000010410 layer Substances 0.000 claims abstract description 162
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 51
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims abstract description 43
- 239000005033 polyvinylidene chloride Substances 0.000 claims abstract description 43
- 239000004014 plasticizer Substances 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims description 34
- 239000012752 auxiliary agent Substances 0.000 claims description 12
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical group CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 5
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 4
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims description 4
- 239000012528 membrane Substances 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000004800 polyvinyl chloride Substances 0.000 description 60
- 229920000915 polyvinyl chloride Polymers 0.000 description 60
- 239000000463 material Substances 0.000 description 12
- 238000005096 rolling process Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- DROMNWUQASBTFM-UHFFFAOYSA-N dinonyl benzene-1,2-dicarboxylate Chemical group CCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCC DROMNWUQASBTFM-UHFFFAOYSA-N 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical class [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
Classifications
-
- 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
- B32B27/08—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 of synthetic resin
-
- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- 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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- 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
- B32B2571/00—Protective equipment
Landscapes
- Laminated Bodies (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a PVC protective film. The PVC protective film sequentially comprises a pressure-sensitive adhesive layer, a first PVDC isolating layer, a PVC base membrane layer, a second PVDC isolating layer and a parting agent layer from top to bottom. The pressure-sensitive adhesive layer is directly coated on the surface of the first PVDC isolating layer, the PVC base membrane layer is added with plasticizer, and the pressure-sensitive adhesive layer is added with an auxiliary capable of absorbing the plasticizer. The first PVDC isolating layer is arranged between the pressure-sensitive adhesive layer and the PVC base membrane layer, and the first PVDC isolating layer can prevent the plasticizer from being transferred to the pressure-sensitive adhesive layer from the PVC base membrane layer. The second PVDC isolating layer is arranged between the PVC base membrane layer and the parting agent layer, the second PVDC isolating layer can prevent the plasticizer from penetrating through the parting agent layer from the PVC base membrane layer to be transferred to the coiled pressure-sensitive adhesive layer, the parting agent layer can prevent the coated layer of the coiled protective film from being reversely bonded to the uncoated layer, and thus the product can be uncoiled. The PVC protective film can be uncoiled conveniently, disengaging of the pressure-sensitive adhesive layer can be effectively stopped and reduced, and when the PVC protective film is directly bonded to a plate, the occurrence probability of the defects such as adhesive residues and ghost images on the plate can be effectively lowered.
Description
Technical field
The invention belongs to diaphragm field, be 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.
Summary of the invention
For the deficiencies in the prior art; the object of the present invention is to provide a kind of PVC diaphragm, facilitate uncoiling, effectively can stop and reduce pressure-sensitive adhesive layer and 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 present invention by the following technical solutions:
A kind of PVC diaphragm, described PVC diaphragm comprises pressure-sensitive adhesive layer, PVDC first separation layer, PVC base film layer, 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, described PVC base film layer is for the addition of the PVC base film layer of plasticizer, and described pressure-sensitive adhesive layer is for the addition of the pressure-sensitive adhesive layer of the auxiliary agent of plasticizer described in Absorbable rod.
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.
Wherein, the mould release in described parting agent layer is film-type mould release.
Wherein, described plasticizer is dioctyl phthalate and/or diisononyl phthalate.
Wherein, described pressure-sensitive adhesive layer (1) is for the addition of the pressure-sensitive adhesive layer that percentage by weight is the auxiliary agent of 5 ~ 15% Absorbable rod plasticizer.
Wherein, described auxiliary agent is 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, beneficial effect of the present invention is: a kind of PVC diaphragm, described PVC diaphragm comprises pressure-sensitive adhesive layer, PVDC first separation layer, PVC base film layer, 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, described PVC base film layer is for the addition of the PVC base film layer of plasticizer, and described pressure-sensitive adhesive layer is for the addition of the pressure-sensitive adhesive layer of the auxiliary agent of plasticizer described in Absorbable rod; 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 invention, 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of PVC diaphragm of the present invention.
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 technical scheme of the present invention 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.
Wherein, plasticizer is dioctyl phthalate and/or diisononyl phthalate.
Wherein, pressure-sensitive adhesive layer 1 is for the addition of the pressure-sensitive adhesive layer that percentage by weight is the auxiliary agent of 5 ~ 15% Absorbable rod plasticizer.Wherein, auxiliary agent is rubber.
As one embodiment of the present of invention, 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 an alternative embodiment of the invention, 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 invention, 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 invention; person of ordinary skill in the field should understand; any improvement in the present invention; to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of each raw material of product of the present invention, all drop within protection scope of the present invention and open scope.
Claims (9)
1. a PVC diaphragm, it is characterized in that, described 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 described pressure-sensitive adhesive layer (1) directly coats the surface of described PVDC first separation layer (2); Wherein, described PVC base film layer (3) is for the addition of the PVC base film layer of plasticizer, and described pressure-sensitive adhesive layer (1) is for the addition of the pressure-sensitive adhesive layer of the auxiliary agent of plasticizer described in Absorbable rod.
2. a kind of PVC diaphragm according to claim 1, is characterized in that, described plasticizer is dioctyl phthalate and/or diisononyl phthalate.
3. a kind of PVC diaphragm according to claim 1, is characterized in that, described pressure-sensitive adhesive layer (1) is for the addition of the pressure-sensitive adhesive layer that percentage by weight is the auxiliary agent of 5 ~ 15% Absorbable rod plasticizer.
4. a kind of PVC diaphragm according to claim 1 or 3, is characterized in that, described auxiliary agent is rubber.
5. a kind of PVC diaphragm according to claim 1, is characterized in that, the mould release in described parting agent layer (5) is film-type mould release.
6. a kind of PVC diaphragm according to claim 1, is characterized in that, the thickness of described pressure-sensitive adhesive layer (1) is 2 ~ 6 μm.
7. 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 ~ 5 μm.
8. a kind of PVC diaphragm according to claim 1, is characterized in that, the thickness of described PVC base film layer (3) is 20 ~ 60 μm.
9. a kind of PVC diaphragm according to claim 1, is characterized in that, the thickness of described parting agent layer (5) is 0.1 ~ 0.5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510359128.1A CN104943307A (en) | 2015-06-26 | 2015-06-26 | PVC protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510359128.1A CN104943307A (en) | 2015-06-26 | 2015-06-26 | PVC protective film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104943307A true CN104943307A (en) | 2015-09-30 |
Family
ID=54158614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510359128.1A Pending CN104943307A (en) | 2015-06-26 | 2015-06-26 | PVC protective film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104943307A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501410A (en) * | 2020-03-24 | 2020-08-07 | 吉翔宝（太仓）离型材料科技发展有限公司 | Double-sided antistatic composite release paper |
| CN113292936A (en) * | 2021-05-26 | 2021-08-24 | 丝艾工业科技(海安)有限公司 | PVC (polyvinyl chloride) label for automobile and preparation method thereof |
| CN117487464A (en) * | 2023-05-11 | 2024-02-02 | 上海亥博胶粘材料有限公司 | A kind of preparation technology of high-temperature tape |
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| CN111501410A (en) * | 2020-03-24 | 2020-08-07 | 吉翔宝（太仓）离型材料科技发展有限公司 | Double-sided antistatic composite release paper |
| CN113292936A (en) * | 2021-05-26 | 2021-08-24 | 丝艾工业科技(海安)有限公司 | PVC (polyvinyl chloride) label for automobile and preparation method thereof |
| CN117487464A (en) * | 2023-05-11 | 2024-02-02 | 上海亥博胶粘材料有限公司 | A kind of preparation technology of high-temperature tape |
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