CN102320173A - Precoated film with atomization-preventing function - Google Patents
Precoated film with atomization-preventing function Download PDFInfo
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- CN102320173A CN102320173A CN201110134055A CN201110134055A CN102320173A CN 102320173 A CN102320173 A CN 102320173A CN 201110134055 A CN201110134055 A CN 201110134055A CN 201110134055 A CN201110134055 A CN 201110134055A CN 102320173 A CN102320173 A CN 102320173A
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- antifoggant
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Abstract
The invention relates to a film for wrapping, in particular to a precoated film with an atomization-preventing function which is characterized by consisting of a secondary functional layer, a core layer and a coated functional layer; the core layer is positioned between the secondary functional layer and the coated functional layer; the material of the secondary functional layer consists of polypropylene and an antifogging agent; the addition amount of the antifogging agent is 0.1-3% of the mass of the polypropylene; the material of the core layer is modified polyethylene; the material of the coated functional layer is a binding agent; and the secondary functional layer, the core layer and the coated functional layer are thermally synthesized into a whole. The precoated film with the atomization-preventing function has the characteristics of antifogging function, convenience and simpleness in use.
Description
Technical field
The present invention relates to a kind of wrapping film.
Background technology
Transparent plastic sheeting is in wet environment, when humidity reaches dew point when following; Can be at the trickle water droplet of its surface condensation one deck; Make the surface blur atomizing, hindered seeing through of light wave, when for example utilizing the blister-pack product; Also can cannot see content, and the droplet that produces also causes the rotten damage of content easily because of the knot mist.
Film is compounded on wrapping paper or the plastics, is employed in coating viscosity glue on paper or the plastics usually, then heating, mucous membrane.Exist complex process, high, the high deficiency of production cost of production equipment requirement.Simultaneously, the layer of structure of the film that current packaging is used is more, complex structure, and do not possess anti-fog function.
Summary of the invention
The object of the present invention is to provide a kind of pre-coating film with preventing atomization function, this pre-coating film is easy to use, have anti-fog function.
To achieve these goals, technical scheme of the present invention is: have the pre-coating film of preventing atomization function, it is characterized in that it is made up of subfunction layer, sandwich layer, coating functional layer, sandwich layer is between subfunction layer and coating functional layer; The material of subfunction layer is served as reasons and is comprised polypropylene and antifoggant composition, and the addition of antifoggant is 0.1～3% of a polypropylene quality; The material of sandwich layer is a modified poly ethylene, and the material of coating functional layer is a bonding agent; Subfunction layer, sandwich layer, coating functional layer thermal synthesis one.
Described antifoggant is glycerin mono-fatty acid ester, sorbitan monopalmitate, sorbitan monostearate or PEO (a 20) glyceryl monostearate.
Described bonding agent is the modified EVA bonding agent.
The invention has the beneficial effects as follows: adopt that precoating has the coating functional layer on the sandwich layer, during use, the pre-coating film with preventing atomization function directly will be coated with functional layer and wrapping paper or plastics contact thermal integrator (and coating viscosity glue) again, use simply, make things convenient for; The material of dimension functional layer contains antifoggant, has anti-fog function; Adopt said structure, it is simple in structure.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Among the figure: 1-subfunction layer, the 2-sandwich layer, 3-is coated with functional layer.
The specific embodiment
Pre-coating film as shown in Figure 1, as to have the preventing atomization function, it is made up of subfunction layer 1, sandwich layer 2, coating functional layer 3, and sandwich layer 2 is between subfunction layer 1 and coating functional layer 3; The material of subfunction layer 1 is served as reasons and is comprised polypropylene (PP) and antifoggant composition, and the addition of antifoggant is 0.1～3% of a polypropylene quality; The material of sandwich layer 2 is modified poly ethylene (PE), and the material of coating functional layer 3 is a bonding agent; Subfunction layer 1, sandwich layer 2, coating functional layer 3 thermal synthesis one (send into extrude compounding machine extrude the thermal synthesis one, 85～120 ℃ of heat-seal temperatures).
The effect of subfunction layer 1 is the outward appearance of film and antifog, through in polypropylene, adding additive (be incorporated as 0～3% of polypropylene quality, concrete additive determines with the need, as: add pigment of all kinds), can change the outward appearance of film, as transparent or opaque; The subfunction layer also has antiseized effect.
The effect of sandwich layer 2 is as carrier.
The effect of coating functional layer 3 is and wrapping paper or plastic bonding 85～120 ℃ of heat-seal temperatures.
Described bonding agent is modified EVA bonding agent (a modified EVA emulsion binding agent).
Antifoggant is exactly to prevent to tie the mist phenomenon and the analog assistant that uses; They are some surfactants that have hydrophilic group; Can be orientated at frosting, hydrophobic group is inside, and hydrophilic group is outside; Thereby make water be easy to moistening frosting, water layer or large water drop that the fine water droplet that condenses can diffuse to form rapidly as thin as a wafer get off along Film Flow.So just can avoid the atomizing that light scattering caused of droplet, prevent that the water droplet that condenses is unrestrained above packed article, the infringement packed article.
The chemical composition of antifoggant mainly is the partial esterification thing of aliphatic acid and polyalcohol.Polyalcohol commonly used is glycerine (glycerin mono-fatty acid ester), D-sorbite and acid anhydrides thereof, and aliphatic acid commonly used is that saturated acid or unsaturated acids, the carbon number of C11, C12 is that aliphatic acid more than 24 also can use.In general, the ester initial stage good antifogging effect of medium chain fatty acid; The lasting good antifogging effect of the fat of LCFA.In fact the antifoggant mixed ester of multiple acid often, the fatty acid ester of many polyalcohols lacks hydrophily, through the oxirane addition, can improve hydrophily, antifog property of increase initial stage and the antifog property of low temperature.
Antifoggant can adopt glycerin mono-fatty acid ester, sorbitan monopalmitate, sorbitan monostearate or PEO (20) glyceryl monostearate.
Pre-coating film with preventing atomization function of the present invention does not haze, mist degree (%) :≤0.3, have anti-fog function.
Claims (3)
1. the pre-coating film that has the preventing atomization function is characterized in that it is made up of subfunction layer, sandwich layer, coating functional layer, and sandwich layer is between subfunction layer and coating functional layer; The material of subfunction layer is served as reasons and is comprised polypropylene and antifoggant composition, and the addition of antifoggant is 0.1～3% of a polypropylene quality; The material of sandwich layer is a modified poly ethylene, and the material of coating functional layer is a bonding agent; Subfunction layer, sandwich layer, coating functional layer thermal synthesis one.
2. the pre-coating film with preventing atomization function according to claim 1 is characterized in that: described antifoggant is glycerin mono-fatty acid ester, sorbitan monopalmitate, sorbitan monostearate or PEO (a 20) glyceryl monostearate.
3. the pre-coating film with preventing atomization function according to claim 1 is characterized in that: described bonding agent is the modified EVA bonding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110134055A CN102320173A (en) | 2011-05-23 | 2011-05-23 | Precoated film with atomization-preventing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110134055A CN102320173A (en) | 2011-05-23 | 2011-05-23 | Precoated film with atomization-preventing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102320173A true CN102320173A (en) | 2012-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110134055A Pending CN102320173A (en) | 2011-05-23 | 2011-05-23 | Precoated film with atomization-preventing function |
Country Status (1)
| Country | Link |
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| CN (1) | CN102320173A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183277A (en) * | 2016-07-18 | 2016-12-07 | 镇江东方红纳米科技有限公司 | A kind of anti-fog thin film |
| CN106398576A (en) * | 2016-09-29 | 2017-02-15 | 四川天视车镜有限责任公司 | High-definition and anti-fogging film for car rearview mirrors and production method of high-definition and anti-fogging film |
| JP2019094077A (en) * | 2017-11-20 | 2019-06-20 | 王子ホールディングス株式会社 | container |
| CN113119567A (en) * | 2021-04-25 | 2021-07-16 | 广东德冠薄膜新材料股份有限公司 | Biaxially oriented polyethylene heat-sealing antifogging film and preparation method thereof |
| CN113787799A (en) * | 2021-09-03 | 2021-12-14 | 富维薄膜（山东）有限公司 | Novel water mist-proof film and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1933970A (en) * | 2004-03-18 | 2007-03-21 | 东洋纺织株式会社 | Polypropylene type laminated film and package using it |
| CN201296075Y (en) * | 2008-08-21 | 2009-08-26 | 湖北富思特新型包装材料股份有限公司 | Precoated adhesive film |
-
2011
- 2011-05-23 CN CN201110134055A patent/CN102320173A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1933970A (en) * | 2004-03-18 | 2007-03-21 | 东洋纺织株式会社 | Polypropylene type laminated film and package using it |
| CN201296075Y (en) * | 2008-08-21 | 2009-08-26 | 湖北富思特新型包装材料股份有限公司 | Precoated adhesive film |
Non-Patent Citations (2)
| Title |
|---|
| 李国豪等: "《中国土木建筑百科辞典工程材料 上》", 31 January 2008, article "中国土木建筑百科辞典工程材料 上", pages: 113 * |
| 王大全: "《精细化工辞典》", 30 June 1998, article "精细化工辞典", pages: 169 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183277A (en) * | 2016-07-18 | 2016-12-07 | 镇江东方红纳米科技有限公司 | A kind of anti-fog thin film |
| CN106398576A (en) * | 2016-09-29 | 2017-02-15 | 四川天视车镜有限责任公司 | High-definition and anti-fogging film for car rearview mirrors and production method of high-definition and anti-fogging film |
| JP2019094077A (en) * | 2017-11-20 | 2019-06-20 | 王子ホールディングス株式会社 | container |
| CN113119567A (en) * | 2021-04-25 | 2021-07-16 | 广东德冠薄膜新材料股份有限公司 | Biaxially oriented polyethylene heat-sealing antifogging film and preparation method thereof |
| CN113787799A (en) * | 2021-09-03 | 2021-12-14 | 富维薄膜（山东）有限公司 | Novel water mist-proof film and preparation method thereof |
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Application publication date: 20120118 |