CN203807889U - Easily peeled release paper - Google Patents
Easily peeled release paper Download PDFInfo
- Publication number
- CN203807889U CN203807889U CN201420081711.1U CN201420081711U CN203807889U CN 203807889 U CN203807889 U CN 203807889U CN 201420081711 U CN201420081711 U CN 201420081711U CN 203807889 U CN203807889 U CN 203807889U
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- China
- Prior art keywords
- layer
- adhesive layer
- carbamic acid
- coated
- acrylic emulsion
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Abstract
The utility model discloses easily peeled release paper. The release paper comprises a body paper layer and a coating layer coated on at least one surface of the body paper layer, wherein a release agent layer is coated on the surface of the coating layer; the release agent layer comprises a silicone acrylic emulsion adhesive layer coated on the surface of the coating layer and a carbamic acid adhesive layer coated on the surface of the silicone acrylic emulsion adhesive layer; the thickness of the silicone acrylic emulsion adhesive layer is 3-6um; the thickness of the carbamic acid adhesive layer is 6-12um. The release agent layer in the release paper comprises the silicone acrylic emulsion adhesive layer and the carbamic acid adhesive layer positioned on the surface of the silicone acrylic emulsion adhesive layer. The silicone acrylic emulsion adhesive layer and the coating have high adhesive force, and the coating difficultly drops. The carbamic acid adhesive layer has excellent adhesiveness and is low in selectivity on an attached base material. Materials of the silicone acrylic emulsion adhesive layer and the carbamic acid adhesive layer have high compatibility, so that the two layers are difficultly separated from each other, high stripping property of the release paper is guaranteed, and the release paper is easily released from the attached surface of the attached product.
Description
Technical field
The utility model relates to the technical field of paper wood, relates in particular to a kind of release liners of easily peeling off.
Background technology
Release liners claims again barrier paper, separate paper, is mainly used in pasting on the surface of adhesive tape for the protection of the adhesive layer of tape surface.Release liners is because having the advantages such as protection against the tide, grease proofing, isolation effect is good, extensive use in the industries such as advertisement, printing, packing, electronics.The release liners of prior art is difficult to from what pasted product be pasted sur-face peeling after sticking.It is mainly because leaching membrane layer flatness is high, causes poor adhesive force between mould release coating and leaching membrane layer.Especially in the situation that release liners and the pad pasting attaching that is coated with trowel adhesive, mould release coating in release liners is taken away in a large number by the larger adhesive of adhesion, even mould release coating is separated with release liners body, can form the mould release coating area that is difficult to clean out in the local surfaces of pad pasting like this, thereby destroyed the pure and uniformity of pad pasting integral body, affected the effect of pad pasting.
Utility model content
In view of this, the utility model provides a kind of release liners of easily peeling off, and this release liners fissility is good, is easier to from be difficult to from what pasted product to be pasted sur-face peeling sticking.
A kind of release liners of easily peeling off, comprise original paper layer and be coated at least one surperficial leaching membrane layer of described original paper layer, the surface of described leaching membrane layer is coated with parting agent layer, described parting agent layer comprises silicon the third emulsion layer that is coated on leaching membrane layer surface and the carbamic acid glue-line that is coated on described silicon the third emulsion layer surface, silicon the third emulsion layer thickness is 3～6 μ m, and carbamic acid bondline thickness is 6～12 μ m.
Preferably, described leaching membrane layer is PP plastic film, PE plastic film or PET plastic film.
Preferably, described leaching membrane layer thickness is 16～22 μ m.
Preferably, described original paper layer thickness is 30～50mm.
Parting agent layer in the utility model release liners is silicon the third emulsion layer and the carbamic acid glue-line that is positioned at silicon the third emulsion layer surface.Silicon the third emulsion layer and film have good adhesive force, are difficult to film from coming off.Carbamic acid glue-line has more excellent adherence, to being pasted the selectively lower of base material.The material of silicon the third emulsion layer and carbamic acid glue-line has good compatibility, makes this two-layerly be not easy separation, has above-mentionedly guaranteed that the fissility of release liners is good, is easier to from be difficult to from what pasted product to be pasted sur-face peeling sticking.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model preferred embodiment release liners.
In figure, 1-original paper layer; 2-leaching membrane layer; 3-silicon the third emulsion layer; 4-carbamic acid glue-line.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model.
As shown in Figure 1, be the structural representation of the utility model preferred embodiment release liners.The release liners of this better example is comprised of original paper layer 1, leaching membrane layer 2, silicon the third emulsion layer 3 and carbamic acid glue-line 4.Leaching membrane layer 2 is coated on two surfaces of original paper layer 1.Certainly in other embodiment, original paper layer 1 only has a surface to be coated with leaching membrane layer 2, and correspondingly, in release liners, silicon the third emulsion layer 3 and base formic acid glue-line are all only distributed in a side of body paper.Silicon the third emulsion layer 3 is coated on the surface of one of them leaching membrane layer 2.In other embodiment, can all be coated on the surface of two leaching membrane layers 2 silicon the third emulsion layer 3.The surface of silicon the third latex is coated on carbamic acid glue-line 4.Carbamic acid glue-line 4 and silicon the third emulsion layer 3 all play a part adhesion.The latter is for realizing the adhesion with leaching membrane layer 2, and the former is for realizing the adhesion of being pasted base material with release liners.
In this example, silicon the third emulsion layer 3 thickness are 3～6 μ m, and the consumption that is equivalent to every square meter glue is 5～8g.Silicon the third emulsion layer 3 is obtained by Silicone acrylic emulsion dry solidification.Silicone acrylic emulsion system adds silicone ingredients to carry out the acrylic emulsion of chemical modification.Organosilicon radical passes through chemical bond scion grafting to polyacrylic macromolecular chain.It is with acrylic acid advantage high with adhesiveness base material, with the weatherability of silicone ingredients, low sticky warm nature, water-repelling agent gas permeability.Those skilled in the art can implement this programme by commercially available silicon the third glue.
In this example, carbamic acid glue-line 4 thickness are 6～12 μ m, and the consumption that is equivalent to every square meter glue is 7～13g.Carbamic acid glue-line 4 is solidified and is obtained by carbamic acid glue drying.Carbamic acid is the compound that amino or amido are directly connected with the carbonyl of formic acid esters, the compound that its general formula is RNHCOOR ', and in formula, R is hydrogen, aliphatic group or aryl, R ' is aliphatic group or aryl.Carbamic acid can be octadecyl carbamate, the material that it is a kind of molecular weight higher than 6000, outward appearance is white powder.Certainly in glue, also comprise such as the solvent of toluene etc.Those skilled in the art can implement this programme by commercially available silicon the third glue.
Leaching membrane layer 2 is PP plastic film, PE plastic film or PET plastic film.Leaching membrane layer 2 thickness are 16～22 μ m.
Original paper layer 1 thickness is 30～50mm.Body paper can, according to the field of application, be selected different materials, for example kaolin coated paper (CCK), Ge Laxin paper (Glassine), super sub-machine-glazed paper (SCK) or polyolefin leaching membrane paper (as polyethylene leaching membrane paper PEK).
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.
Claims (4)
1. a release liners of easily peeling off, it is characterized in that, comprise original paper layer (1) and be coated at least one surperficial leaching membrane layer (2) of described original paper layer (1), the surface of described leaching membrane layer (2) is coated with parting agent layer, described parting agent layer comprises silicon the third emulsion layer (3) that is coated on leaching membrane layer (2) surface and the carbamic acid glue-line (4) that is coated on described silicon the third emulsion layer (3) surface, silicon the third emulsion layer (3) thickness is 3～6 μ m, and carbamic acid glue-line (4) thickness is 6～12 μ m.
2. release liners according to claim 1, is characterized in that, described leaching membrane layer (2) is PP plastic film, PE plastic film or PET plastic film.
3. release liners according to claim 1, is characterized in that, described leaching membrane layer (2) thickness is 16～22 μ m.
4. release liners according to claim 1, is characterized in that, described original paper layer (1) thickness is 30～50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081711.1U CN203807889U (en) | 2014-02-25 | 2014-02-25 | Easily peeled release paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081711.1U CN203807889U (en) | 2014-02-25 | 2014-02-25 | Easily peeled release paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203807889U true CN203807889U (en) | 2014-09-03 |
Family
ID=51446670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420081711.1U Expired - Fee Related CN203807889U (en) | 2014-02-25 | 2014-02-25 | Easily peeled release paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203807889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018168232A (en) * | 2017-03-29 | 2018-11-01 | リンテック株式会社 | Adhesive sheet |
-
2014
- 2014-02-25 CN CN201420081711.1U patent/CN203807889U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018168232A (en) * | 2017-03-29 | 2018-11-01 | リンテック株式会社 | Adhesive sheet |
| JP7055964B2 (en) | 2017-03-29 | 2022-04-19 | リンテック株式会社 | Adhesive sheet |
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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: 20140903 Termination date: 20190225 |