CN102797195A - Method for reducing organosilicon transfer of release paper - Google Patents
Method for reducing organosilicon transfer of release paper Download PDFInfo
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- CN102797195A CN102797195A CN2012102770149A CN201210277014A CN102797195A CN 102797195 A CN102797195 A CN 102797195A CN 2012102770149 A CN2012102770149 A CN 2012102770149A CN 201210277014 A CN201210277014 A CN 201210277014A CN 102797195 A CN102797195 A CN 102797195A
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- release liners
- release
- organosilicon
- viscose glue
- layer
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Abstract
The invention relates to a method for reducing organosilicon transfer of release paper, which is achieved via rolling the release layer of the release paper by using viscose glue before coating pressure-sensitive adhesive on the release paper. The viscose glue is nonpolar group graft acrylic acid ester pressure-sensitive adhesive, with a molecular structure which has the general formula as show in the specification, wherein n is 3-20, at least one of R1 and R2 is a cycloalkyl or an alkyloxy and the other one is H, R3 is a short-chain alkyl, a long-chain alkyl or an aromatic group, and X is an ester group. The initial adhesion of the viscose glue is 2.0-5.0 N/mm, the release layer of the release paper is an organosilicon release layer, and the rolling pressure is 100-500 N. The amount of impurity and uncured silicone oil on release layer surfaces of the release paper being processed by the method is little; and after gluing with the viscose glue, the amount of transferred silicon is little and the viscosity of the viscose glue reduces little, therefore enabling the viscose to have a relatively high caking property retention rate. The method can be widely applied in the application fields of release paper and binders with simple technology and convenient operation.
Description
Technical field
The present invention relates to a kind of method that the release liners organosilicon shifts that reduces, particularly a kind of method of handling through the release layer of release liners realizes reducing the method that the release liners organosilicon shifts.
Background technology
Organo silicon release paper is claimed barrier paper (release paper) again, the history of existing four more than ten years.Since the eighties; China's pressure sensitive adhesive goods and self adhesive material have fast development significantly; Follow above-mentioned industrial expansion; The release liners process industry also has very big development, all needs release liners supporting such as multiple producers such as producing pressure-sensitive adhesive trade mark body paper, two-sided tape, foam tape, the applying of various vamp material self-adhesion.
Main component in the organo silicon release paper: cured modified organosilicon; Its surface tension is very low and isolation effect is good, generally is employed in the industry to apply layer of polyethylene (PE) film on the body paper, organosilicon coating is sprayed on this PE film again; Form organosilicon membrane; Each component modification organic silicone oil carries out proper crosslinking under certain condition, the molecular weight between control crosslink density and the crosslinking points, the peeling force that can regulate organic silicon coating within the specific limits; Thereby make the release liners of various peeling forces, to adapt to many requirements of different product.
Yet, in a large amount of actual application, find, when the silicon face of release liners and viscose glue pastes and after; When peeling off release liners again; The micromolecule silicone oil of the silicon face of release liners can transfer on the glue and the silicon transfer amount more, the viscosity of viscose glue just greatly reduces, even has been reduced to 50 ~ 60% of its original cohesive force; Thereby influenced its practical application; As on as the pressure-sensitive adhesive trade mark body paper, the reduction of this label paper cohesive force can cause label paper to bubble, come off, thereby influences the attractive in appearance and practicality of goods.Analyzing this viscose glue power decrease reason that occurs is: the defective that release silicone oil is produced coating process causes silicon layer curing incomplete, is prone to shift; The normal benzene that uses of release silicone oil, xylene, gasoline equal solvent corrosion part glue-line; Release silicone oil commonly used adopts the condensation reaction organosilicon, in course of reaction, can produce more micromolecule such as alcohol, amine and water absorption and pollute glue-line etc.
Publication number CN101050608A discloses in a kind of low transfer mould paper and the manufacturing approach thereof; Its main technical point is in the coating drying technology, is provided with the baking oven of 7 sections warm areas, and the highest baking temperature is 150 ℃ ~ 180 ℃; After release liners that goes out with this prepared and viscose glue are fitted; The silicon transfer amount is few, and the viscosity of viscose glue reduces little, thereby makes viscose glue have higher caking property retention rate.But this technology serviceability temperature is higher, makes in the body paper water remove the back and produces to shrink and cause release layer to produce defective; Simultaneously, there has been a large amount of toluene (89.5 ~ 97.96%) in this formula system, made in the later stage drying course, to be difficult to remove fully, can cause problems such as the environmental pollution and the raising release liners micromolecule rate of transform.Prior art all exists silicone oil can not carry out the curing of complete proportioning; Residual silicone oil component reaches uncured silicone oil because not firm with the bonding of base material more; Thereby be easy to transfer to glue-line, and effective method was proposed in the prior art to the transfer of the unreacted silicone oil of this release layer.
Summary of the invention
The objective of the invention is this defective, a kind of method that the release liners organosilicon shifts that reduces is provided, thereby silicone oil is prone to shift the deficiency that causes viscose viscosity to glue-line on the release liners to overcome in the prior art prior art.
A kind of method that the release liners organosilicon shifts that reduces provided by the present invention is carried out release liners and is solidified the processing of silicon layer removal silicone oil micromolecule before the release liners pressure-sensitive adhesive coating; It is described that to go silicone oil to handle be to adopt a kind of viscose glue to roll the release liners coated face;
Described viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive; Because the main component of the uncured silicone oil completely of cured layer is dimethyl silicone polymer (molecular weight is 200 ~ 300), three hydrogen atoms on this compound structure methyl since the rotation of methyl occupy than large space, thereby increased the intermolecular distance of adjacent siloxanes; Because of six powers of intermolecular force and intermolecular distance are inversely proportional to; So dimethyl silicone polymer intermolecular interaction force rate hydrocarbon is weak a lot, its surface tension is littler than hydrocarbon, is nonpolar molecule; On the acrylate pressure-sensitive adhesive among the present invention grafting non-polar group; Utilized the viscosity of acrylic acid ester on the one hand, the uncured silicone oil that bonds utilizes the similar compatibility principle on the other hand; The non-polar group grafted acrylate can play suction-operated to uncured silicone oil, thereby removes silicone oil; The initial bonding strength of viscose glue is 2.0 ~ 5.0N/mm (less than the peel strength of organosilicon cured layer); Described rolling pressure is 100 ~ 500N;
The release layer of described release liners is the silicone release layer.
As optimized technical scheme:
Aforesaid method, the general formula of described non-polar group graft polypropylene acid esters is:
Wherein n is 3 ~ 20, R
1And R
2In have one at least for cycloalkyl or alkoxyl, all the other are H, R
3Be short-chain alkyl, chain alkyl or aromatic radical, X is the ester group group; The initial bonding strength of said viscose glue is 2.0 ~ 5.0N/mm; Rolling pressure is 100 ~ 500N;
Aforesaid method; Non-polar group in the described non-polar group grafted acrylate is a kind of in short-chain alkyl, chain alkyl, aromatic radical, cycloalkyl or the alkoxyl; Wherein short-chain alkyl is meant that the carbon number of an end of the chain on the group is 1 ~ 5 a alkyl, like methyl (CH
3), ethyl (CH
2CH
3), propyl group (CH2CH
2CH
3), isopropyl (CH (CH
3)
2), normal-butyl (CH
2CH
2CH
2CH
3) etc.; Chain alkyl is meant that the carbon number of an end of the chain on the group is the alkyl that (comprises 6) more than 6, like octyl, and dodecyl, octadecyl etc.; Aromatic radical is meant the group that phenyl or phenyl top H are obtained by other hydrocarbyl substituted, like phenyl (Ph), p-methylphenyl (Ph-CH
3) etc.; Cycloalkyl is meant saturated cyclic carbon-chain structure group, or the multiring structure group that links together of multiple ring, like pentamethylene base, cyclopropane base etc.; Alkoxyl is meant that alkyl is connected the group that the back generates with oxygen atom, like methoxyl group (OCH
3), ethyoxyl (OCH
2CH
3) etc.;
Aforesaid method, the acrylic acid ester in the described non-polar group grafted acrylate are a kind of in methyl acrylate, ethyl acrylate or the butyl acrylate; Described non-polar group replaces methylene (CH in the described acrylic ester unit
2-) thereby on 1 ~ 3 H be grafted on the acrylic acid ester; Percent grafting is 1 ~ 10%; Described non-polar group also is the lipophile group simultaneously, and the access of non-polar group can played the silicone oil of release liners the adsorbing while, because the lipophile of group; Described non-polar group grafted acrylate can be compatible with other oil-soluble constitents in the SGA system, also kept the high initial bonding strength of SGA;
Aforesaid method; Described rolling is meant that release liners is between transport roller and milling roller; Rolling roll surface contacts with the release liners coated face; Transport roller contacts with the release liners base stock, and the switched in opposite of milling roller and transport roller realizes the regulation and control of milling roller for the rolling pressure of release liners coated face through the distance between control milling roller and the transport roller; The described viscose glue of the surface applied of described milling roller; The speed of milling roller and transport roller is 10 ~ 100m/min;
Aforesaid method, the base stock of described release liners are Ge Laxin paper, and Singh draws papery ground fine and close, evenly, and good internal intensity and light transmittance are arranged, and as the base stock of release liners high temperature resistant, moistureproof and grease proofing function are arranged;
Aforesaid method, the leaching membrane layer of described release liners are PET thin layer, PE thin layer, PP thin layer, PVC thin layer, CPP thin layer, BOPP thin layer or THIN COMPOSITE rete.Can improve the adhesive force of thin layer on the base material body paper at this thin film layer of pouring film on the base material body paper of sided corona treatment, improve the resistance to water of paper simultaneously, the back size of making moist is difficult for changing, and still keeps the good advantage of paper creep resistant;
Aforesaid method, described silicone release layer is the add-on type silicone layer, the add-on type organosilicon carries out MOLECULE DESIGN easily; Just control state of cure through the proportioning raw materials of regulating monomer easily, not exclusively solidify thereby can reduce organosilicon, the add-on type organosilicon is compared with one-component and condensed type organic silicon simultaneously; When solidifying, can not produce small-molecule substance; Thereby the pollution of avoiding to release layer has guaranteed the cleaning of release cured layer, reduces the transfer of silicon to adhesive tape.
Beneficial effect:
1, adopts high initial bonding strength among the present invention but the polyacrylate pressure-sensitive that is lower than the peel strength of organosilicon cured layer is removed unreacted silicone oil on the release layer; Reduced the transfer of silicone oil to adhesive tape; The cleaning that has guaranteed release layer does not have local defect, has improved the residual bonding rate of adhesive tape;
2, propose to remove the polyacrylate pressure-sensitive use non-polar group grafting of silicone oil among the present invention; Utilize the similar compatibility principle to adsorb removal for unreacted silicone oil; The polyacrylate pressure-sensitive of non-polar group grafting is easy to make, and the silica removal oiliness can be more excellent.
It is simple that the polyacrylate pressure-sensitive roller of the coating non-polar group grafting that 3, proposes among the present invention rolls the technology of removing silicone oil, and handled easily can be widely used in release liners, binding agent Application Areas.
The specific embodiment
Face combines the specific embodiment, further sets forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
A kind of method that the release liners organosilicon shifts that reduces of the present invention; Before the release liners pressure-sensitive adhesive coating, adopting initial bonding strength is that the removal micromolecule silicone oil that release layer that the viscose glue of 2.0N/m rolls release liners carries out release layer is handled; Viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 3, R
1Be pentamethylene base, R
2Be H, R
3Be methyl, X is a carbomethoxy.Removing the processing of micromolecule silicone oil is to adopt viscose glue to rolling processing; Rolling pressure is 100N; The release layer of release liners is an add-on type silicone release layer.
Embodiment 2
A kind of method that the release liners organosilicon shifts that reduces of the present invention; Before the release liners pressure-sensitive adhesive coating, adopting initial bonding strength is that the removal micromolecule silicone oil that release layer that the viscose glue of 5.0N/m rolls release liners carries out release layer is handled; Viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 20, R
1Be methoxyl group, R
2Be cyclopropane base, R
3Be octadecyl, X is an ethoxycarbonyl; It is to adopt viscose glue to rolling processing that described removal micromolecule silicone oil is handled, and rolling pressure is 500N; The release layer of release liners is an add-on type silicone release layer.
Embodiment 3
A kind of method that the release liners organosilicon shifts that reduces of the present invention; Before the release liners pressure-sensitive adhesive coating, adopting initial bonding strength is that the removal micromolecule silicone oil that release layer that the viscose glue of 3.0N/m rolls release liners carries out release layer is handled; Viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 10, R
1Be ethyoxyl, R
2Be pentamethylene, R
3Be ethyl, X is the propyl ester base, R
1And R
2Total percent grafting be 1%; It is to adopt viscose glue to rolling processing that described removal micromolecule silicone oil is handled, and rolling pressure is 400N; The release layer of release liners is the condensed type organic silicon release layer; The leaching membrane layer of release liners is the PET thin layer, and release liners rolls roll surface and contacts with the release liners coated face between transport roller and milling roller; Transport roller contacts with the release liners base stock; The switched in opposite of milling roller and transport roller realizes the regulation and control of milling roller for the rolling pressure of release liners coated face, the viscose glue that the surface applied of milling roller is above-mentioned through the distance between control milling roller and the transport roller; The speed of milling roller and transport roller is 10m/min.
Embodiment 4
A kind of method that the release liners organosilicon shifts that reduces of the present invention; Before the release liners pressure-sensitive adhesive coating, adopting initial bonding strength is that the removal micromolecule silicone oil that release layer that the viscose glue of 4.0N/m rolls release liners carries out release layer is handled; Viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 10, R
1Be cyclopropane base, R
2Be H, R
3Be tolyl, X is the butyl ester base, R
1And R
2Total percent grafting be 10%; It is to adopt viscose glue to rolling processing that described removal micromolecule silicone oil is handled, and rolling pressure is 200N; The release layer of release liners is an add-on type silicone release layer; The leaching membrane layer of release liners is the PE thin layer, and release liners rolls roll surface and contacts with the release liners coated face between transport roller and milling roller; Transport roller contacts with the release liners base stock; The switched in opposite of milling roller and transport roller realizes the regulation and control of milling roller for the rolling pressure of release liners coated face, the viscose glue that the surface applied of milling roller is above-mentioned through the distance between control milling roller and the transport roller; The speed of milling roller and transport roller is 100m/min.
Embodiment 5
A kind of method that the release liners organosilicon shifts that reduces of the present invention; Before the release liners pressure-sensitive adhesive coating, adopting initial bonding strength is that the removal micromolecule silicone oil that release layer that the viscose glue of 3.5N/m rolls release liners carries out release layer is handled; Viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 15, R
1Be H, R
2Be methoxyl group, R
3Be octyl, X is the butyl ester base, R
1And R
2Total percent grafting be 5%; It is to adopt viscose glue to rolling processing that described removal micromolecule silicone oil is handled, and rolling pressure is 200N; The release layer of release liners is an add-on type silicone release layer; The leaching membrane layer of release liners is the PP thin layer, and release liners rolls roll surface and contacts with the release liners coated face between transport roller and milling roller; Transport roller contacts with the release liners base stock; The switched in opposite of milling roller and transport roller realizes the regulation and control of milling roller for the rolling pressure of release liners coated face, the viscose glue that the surface applied of milling roller is above-mentioned through the distance between control milling roller and the transport roller; The speed of milling roller and transport roller is 50m/min.
Embodiment 6
A kind of method that the release liners organosilicon shifts that reduces of the present invention; Before the release liners pressure-sensitive adhesive coating, adopting initial bonding strength is that the removal micromolecule silicone oil that release layer that the viscose glue of 5N/m rolls release liners carries out release layer is handled; Viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 20, R
1Be H, R
2Be pentamethylene, R
3Be isopropyl, X is a carbomethoxy, R
1And R
2Total percent grafting be 2%; It is to adopt viscose glue to rolling processing that described removal micromolecule silicone oil is handled, and rolling pressure is 450N; The release layer of release liners is an add-on type silicone release layer; The leaching membrane layer of release liners is the PVC thin layer, and release liners rolls roll surface and contacts with the release liners coated face between transport roller and milling roller; Transport roller contacts with the release liners base stock; The switched in opposite of milling roller and transport roller realizes the regulation and control of milling roller for the rolling pressure of release liners coated face, the viscose glue that the surface applied of milling roller is above-mentioned through the distance between control milling roller and the transport roller; The speed of milling roller and transport roller is 50m/min.
Embodiment 7
A kind of method that the release liners organosilicon shifts that reduces of the present invention; Before the release liners pressure-sensitive adhesive coating, adopting initial bonding strength is that the removal micromolecule silicone oil that release layer that the viscose glue of 3N/m rolls release liners carries out release layer is handled; Viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 8, R
1Be H, R
2Be cyclopropane, R
3Be normal-butyl, X is a carbomethoxy, R
1And R
2Total percent grafting be 9%; It is to adopt viscose glue to rolling processing that described removal micromolecule silicone oil is handled, and rolling pressure is 450N; The release layer of release liners is a condensation silicone release layer; The leaching membrane layer of release liners is the CPP thin layer, and release liners rolls roll surface and contacts with the release liners coated face between transport roller and milling roller; Transport roller contacts with the release liners base stock; The switched in opposite of milling roller and transport roller realizes the regulation and control of milling roller for the rolling pressure of release liners coated face, the viscose glue that the surface applied of milling roller is above-mentioned through the distance between control milling roller and the transport roller; The speed of milling roller and transport roller is 100m/min.
Embodiment 8
A kind of method that the release liners organosilicon shifts that reduces of the present invention; Before the release liners pressure-sensitive adhesive coating, adopting initial bonding strength is that the removal micromolecule silicone oil that release layer that the viscose glue of 4.5N/m rolls release liners carries out release layer is handled; Viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 16, R
1Be methoxyl group, R
2Be cyclopropane, R
3Be dodecyl, X is an ethoxycarbonyl, R
1And R
2Total percent grafting be 9%; It is to adopt viscose glue to rolling processing that described removal micromolecule silicone oil is handled, and rolling pressure is 450N; The release layer of release liners is a condensation silicone release layer; The leaching membrane layer of release liners is the CPP thin layer, and release liners rolls roll surface and contacts with the release liners coated face between transport roller and milling roller; Transport roller contacts with the release liners base stock; The switched in opposite of milling roller and transport roller realizes the regulation and control of milling roller for the rolling pressure of release liners coated face, the viscose glue that the surface applied of milling roller is above-mentioned through the distance between control milling roller and the transport roller; The speed of milling roller and transport roller is 100m/min.
Embodiment 9
A kind of method that the release liners organosilicon shifts that reduces of the present invention; Before the release liners pressure-sensitive adhesive coating, adopting initial bonding strength is that the removal micromolecule silicone oil that release layer that the viscose glue of 4.5N/m rolls release liners carries out release layer is handled; Viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 14, R
1Be methoxyl group, R
2Be pentamethylene, R
3Be phenyl, X is an ethoxycarbonyl, R
1And R
2Total percent grafting be 7%; It is to adopt viscose glue to rolling processing that described removal micromolecule silicone oil is handled, and rolling pressure is 150N; The release layer of release liners is an addition silicone release layer; The leaching membrane layer of release liners is the BOPP thin layer, and release liners rolls roll surface and contacts with the release liners coated face between transport roller and milling roller; Transport roller contacts with the release liners base stock; The switched in opposite of milling roller and transport roller realizes the regulation and control of milling roller for the rolling pressure of release liners coated face, the viscose glue that the surface applied of milling roller is above-mentioned through the distance between control milling roller and the transport roller; The speed of milling roller and transport roller is 25m/min.
Embodiment 10
A kind of method that the release liners organosilicon shifts that reduces of the present invention; Before the release liners pressure-sensitive adhesive coating, adopting initial bonding strength is that the removal micromolecule silicone oil that release layer that the viscose glue of 2.5N/m rolls release liners carries out release layer is handled; Viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 4, R
1Be pentamethylene base, R
2Be H, R
3Be propyl group, X is a carbomethoxy.Removing the processing of micromolecule silicone oil is to adopt viscose glue to rolling processing; Rolling pressure is 100N; The release layer of release liners is an add-on type silicone release layer.
Claims (10)
1. one kind is reduced the method that the release liners organosilicon shifts, and it is characterized in that: the release layer that before the release liners pressure-sensitive adhesive coating, carries out release liners is removed the processing of micromolecule silicone oil; It is to adopt viscose glue that the release layer of release liners is rolled processing that described removal micromolecule silicone oil is handled;
Described viscose glue is a non-polar group graft acrylic acid ester pressure-sensitive, and its general formula of molecular structure is:
Wherein n is 3 ~ 20,
R
1And R
2In have one at least for cycloalkyl or alkoxyl, all the other are H,
R
3Be short-chain alkyl, chain alkyl or aromatic radical,
X is the ester group group;
The initial bonding strength of said viscose glue is 2.0 ~ 5.0N/mm;
The release layer of described release liners is the silicone release layer;
The said pressure that rolls is 100 ~ 500N.
2. a kind of method that the release liners organosilicon shifts that reduces according to claim 1 is characterized in that described silicone release layer is the add-on type silicone layer.
3. a kind of method that the release liners organosilicon shifts that reduces according to claim 1; It is characterized in that; Described rolling is meant release liners between transport roller and milling roller, rolls roll surface and contacts with the release liners coated face, and transport roller contacts with the release liners base stock; The switched in opposite of milling roller and transport roller realizes the regulation and control of milling roller for the rolling pressure of release liners coated face through the distance between control milling roller and the transport roller; The described viscose glue of the surface applied of described milling roller; The speed of milling roller and transport roller is 10 ~ 100m/min.
4. a kind of method that the release liners organosilicon shifts that reduces according to claim 1 is characterized in that the base stock of described release liners is a Ge Laxin paper; The leaching membrane layer of described release liners is PET thin layer, PE thin layer, PP thin layer, PVC thin layer, CPP thin layer or BOPP thin layer.
5. a kind of method that the release liners organosilicon shifts that reduces according to claim 1 is characterized in that described short-chain alkyl is meant that the carbon number of an end of the chain on the group is 1 ~ 5 a alkyl, is methyl, ethyl, propyl group, isopropyl or normal-butyl;
Described chain alkyl is meant that the carbon number of an end of the chain on the group is the alkyl more than 6 or 6, is octyl, dodecyl or octadecyl.
6. a kind of method that the release liners organosilicon shifts that reduces according to claim 1 is characterized in that described aromatic radical is meant the group that phenyl or phenyl top H are obtained by other hydrocarbyl substituted, is phenyl or p-methylphenyl.
7. a kind of method that the release liners organosilicon shifts that reduces according to claim 1 is characterized in that described cycloalkyl is meant saturated cyclic carbon-chain structure group, is pentamethylene base or cyclopropane base.
8. a kind of method that the release liners organosilicon shifts that reduces according to claim 1 is characterized in that described alkoxyl is meant that alkyl is connected the group that the back generates with oxygen atom, be methoxy or ethoxy.
9. a kind of method that the release liners organosilicon shifts that reduces according to claim 1 is characterized in that, described ester group group is a kind of in carbomethoxy, ethoxycarbonyl or the butyl ester base.
10. a kind of method that the release liners organosilicon shifts that reduces according to claim 1 is characterized in that said R
1And R
2Total percent grafting be 1 ~ 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210277014.9A CN102797195B (en) | 2012-08-06 | 2012-08-06 | Method for reducing organosilicon transfer of release paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210277014.9A CN102797195B (en) | 2012-08-06 | 2012-08-06 | Method for reducing organosilicon transfer of release paper |
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| Publication Number | Publication Date |
|---|---|
| CN102797195A true CN102797195A (en) | 2012-11-28 |
| CN102797195B CN102797195B (en) | 2014-07-02 |
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012737A (en) * | 2017-04-20 | 2017-08-04 | 上海金大塑胶有限公司 | A kind of preparation method of release liners |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06340855A (en) * | 1993-04-06 | 1994-12-13 | Decora Inc | Improved method and composition for producing laminate coated with pressure-sensitive adhesive |
| CN101050608A (en) * | 2006-04-03 | 2007-10-10 | 上海大昭和纸加工有限公司 | Low transfer mould paper and its producing method |
| CN102277793A (en) * | 2011-08-22 | 2011-12-14 | 福建师范大学 | Preparation method of release paper with #-shaped groove structure |
-
2012
- 2012-08-06 CN CN201210277014.9A patent/CN102797195B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06340855A (en) * | 1993-04-06 | 1994-12-13 | Decora Inc | Improved method and composition for producing laminate coated with pressure-sensitive adhesive |
| CN101050608A (en) * | 2006-04-03 | 2007-10-10 | 上海大昭和纸加工有限公司 | Low transfer mould paper and its producing method |
| CN102277793A (en) * | 2011-08-22 | 2011-12-14 | 福建师范大学 | Preparation method of release paper with #-shaped groove structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012737A (en) * | 2017-04-20 | 2017-08-04 | 上海金大塑胶有限公司 | A kind of preparation method of release liners |
| CN107012737B (en) * | 2017-04-20 | 2018-10-30 | 上海金大塑胶有限公司 | A kind of preparation method of release paper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102797195B (en) | 2014-07-02 |
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