CN102559088A - Low-noise binding tape base film - Google Patents
Low-noise binding tape base film Download PDFInfo
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- CN102559088A CN102559088A CN2011104594503A CN201110459450A CN102559088A CN 102559088 A CN102559088 A CN 102559088A CN 2011104594503 A CN2011104594503 A CN 2011104594503A CN 201110459450 A CN201110459450 A CN 201110459450A CN 102559088 A CN102559088 A CN 102559088A
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Abstract
The invention discloses a low-noise binding tape base film. The low-noise binding tape base film comprises a coextruded base layer and a functional layer arranged on the base layer and is characterized in that: the base layer and the functional layer have a coextrusion structure; the base layer forming the coextrusion structure is made from polyolefin; and the functional layer forming the coextrusion structure is made from polyolefin and a solid organic anti-sticking agent which accounts for 1.0 to 20.0 percent of the weight of the functional layer. The low-noise binding tape base film is prepared by a multi-layer coextrusion technology, and the procedures, such as silicon coating and the like, required by manufacturing of the silent binding tape film in the prior art are omitted. According to the low-noise binding tape base film, the solid organic anti-sticking agent does not migrate, the binding power of the adhesive layer is not reduced, noise generated in the process of stripping the binding tape is reduced through surface modification of the non-adhesive surface, performance is improved, and production cost is reduced.
Description
Technical field
The present invention relates to the membrane manufacturing technology of viscose glue field, the low adhesive tape film of noise during particularly a kind of tearing.
Background technology
Nowadays, adhesive tape is used in productive life by people more.Generally can adopt BOPP Biaxially oriented polypropylene film BOPP (Biaxially Oriented Polypropylene) film is the Pressuresensitive Tape of base material, encapsulates the carton of wrapped product.Yet this adhesive tape can produce harsh noise usually when unreeling, and if things go on like this, not only bad for user's physical and mental health, and the environment around giving brings noise pollution.In existing adhesive tape noise reduction technique, be to apply release layer to reduce noise through non-adhesive-layer at adhesive tape.But, apply release layer, all can increase the material cost of adhesive tape greatly, this was just very thin originally less for profit, the but very fierce industry of competition is disadvantageous; And, apply parting agent process need solvent, pollute the environment.This just need remake innovation on the adhesive tape noise reduction technology.
A kind of Noiseless ultra-transparent adhesive tape technique is disclosed among the Chinese invention patent ublic specification of application CN 101085904A; For reaching noiseless purpose; The technical scheme of this invention is: adopt environment-friendly type oiliness Pressuresensitive Tape to be coated with the production technique of ultra transparent BOPP mylar; Release processing is carried out at the adhesive tape back side, adopts organosilicon as parting agent.Like a kind of 100% active preparatory catalysis solid organic silicon, contain the organosilicon polymer of LV vinyl ends and side group etc.
A kind of low noise adhesive tape and preparation method thereof is disclosed again among the Chinese invention patent ublic specification of application CN 101235260A; This invention since adopt will be by an amount of YSR 3286, gather formulated organosilicon primers such as methyl hydrogen radical siloxane, polymethyl siloxane, siloxane catalyst, solvent and directly coat on the outside surface of BOPP film and use with release layer as adhesive tape; Thereby make the present invention when producing adhesive tape; Need not carry out corona treatment to the film outside surface just can make the organosilicon primer reliably attached on the film; Simplified the manufacturing procedure of adhesive tape effectively and reduced it producing wood, and made adhesive tape good stability.
These two kinds of inventions all can realize the purpose of low noise, all are to coat parting agent at the non-coated face of adhesive tape.Painting process increases the adhesive tape production cost, this for profit original just very thin less, competition but very the industry of fierceness also be disadvantageous; And the parting agent that requirement is coated with is necessary crosslinked fully, otherwise owing to organosilicon is transferred to the cohesive force that adhesive-layer influences adhesive tape.
Summary of the invention
The present invention proposes for the shortcoming that overcomes above prior art and exist, and the technical problem that it solved provides a kind ofly can save painting process, the adhesive tape basement membrane that noise is low when once accomplishing tearing through co-extrusion technology.
A kind of low noise adhesive tape basement membrane provided by the invention; Comprise the basic unit of coextrusion and be arranged on the functional layer in the basic unit; It is characterized in that: basic unit and functional layer are coextruded structure; The material that constitutes the basic unit of coextruded structure is a polyolefine, and the material that constitutes the functional layer of coextruded structure is made up of polyolefine and the SOLID ORGANIC release agent that accounts for functional layer weight 1.0～20.0%.
As the further qualification to a kind of low noise adhesive tape of the present invention basement membrane, said polyolefine is selected from the mixture or the polymkeric substance of a kind of or many clocks in Vilaterm, Vestolen PP 7052, polybutylenes, the polymethylpentene.
Said SOLID ORGANIC release agent is selected from organosilicon micro mist, organic fluorine micro mist organosilicon micro mist, the organic fluorine micro mist one or both mixture or polymkeric substance.
As further improvement to a kind of low noise adhesive tape of the present invention basement membrane; Said base layer exterior surface is provided with the top layer; Top layer, basic unit and functional layer are coextruded structure, and skin-material is selected from the mixture or the polymkeric substance of a kind of or many clocks in Vilaterm, Vestolen PP 7052, polybutylenes, the polymethylpentene.
Through increasing one deck top layer, the syndeton safety of primer and film is strengthened in base layer exterior surface.
As further improvement to a kind of low noise adhesive tape of the present invention basement membrane; Be provided with top layer last time between said top layer and the basic unit; Top layer, last time, top layer, basic unit and functional layer were coextruded structure, and last time, the material on top layer was selected from the mixture or the polymkeric substance of a kind of or many clocks in Vilaterm, Vestolen PP 7052, polybutylenes, the polymethylpentene.Through between top layer and basic unit, having additional top layer last time, the bonding fastness that can be used in gummed top layer and basic unit is better.
As further improving again to a kind of low noise adhesive tape of the present invention basement membrane; Be provided with next top layer between said function and the basic unit; Top layer, last time, top layer, basic unit, next top layer and functional layer were coextruded structure, and the material on next top layer is selected from the mixture or the polymkeric substance of a kind of or many clocks in Vilaterm, Vestolen PP 7052, polybutylenes, the polymethylpentene.Can between functional layer and basic unit, be provided with next top layer as required, make that the bonding fastness of functional layer and basic unit is better.
The inventive method beneficial effect is: utilize multi-layer co-extruded technology to process the low noise adhesive tape basement membrane; The adhesive tape of coating adhesive-layer on this basis again and forming; Save and make the required operations such as coating of adhesive tape film in the prior art; The SOLID ORGANIC release agent of the low noise adhesive tape basement membrane that the present invention uses; Can not influence cohesive force owing to the adhesive-layer that migration is shifted, the Polarity Control through non-coated face reduces the noise that is produced when adhesive tape is peeled off, and reaches the purpose that improves performance, reduces its production cost.
Description of drawings
Fig. 1 is embodiment 1 structural representation of low noise adhesive tape basement membrane according to the invention.
Fig. 2 is embodiment 2 structural representations of low noise adhesive tape basement membrane according to the invention.
Fig. 3 is embodiment 3 structural representations of low noise adhesive tape basement membrane according to the invention.
Fig. 4 is embodiment 4 structural representations of low noise adhesive tape basement membrane according to the invention.
Among the figure, 1-basic unit, 2-functional layer, 3-top layer, 4-top layer last time, 5-top layer next time.
Embodiment
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
As shown in Figure 1; First kind of embodiment of low noise adhesive tape basement membrane of the present invention comprises the basic unit 1 of coextrusion two-way stretch and is arranged on the functional layer 2 in the basic unit 1; It is characterized in that: basic unit 1 is coextruded structure with functional layer 2; The material that constitutes the basic unit 1 of coextruded structure is selected from polyolefine, and the material that constitutes the functional layer 2 of coextruded structure is made up of polyolefine and the mixture that accounts for the SOLID ORGANIC release agent of functional layer 2 weight 1.0～20.0%; Said polyolefine material is selected from the mixture or the polymkeric substance of a kind of or many clocks in Vilaterm, Vestolen PP 7052, polybutylenes, the polymethylpentene; Said organic release agent is selected from organosilicon micro mist, organic fluorine micro mist organosilicon micro mist, the organic fluorine micro mist one or both mixture or polymkeric substance.
When first kind of embodiment of the present invention prepares said low noise adhesive tape basement membrane; Basic unit 1 is fed by the twin screw main extruder; Functional layer 2 is by the secondary forcing machine feeding of twin screw; Above-mentioned two kinds of extrudate are all confluxed and are formed two-layer structure through the co-extrusion extrusion again in same T die, and this coextruded layer batches after cooling, two-way extension, corona treatment again, promptly forms low noise adhesive tape basement membrane of the present invention.
Second kind of embodiment of the low noise adhesive tape basement membrane of the present invention shown in Fig. 2 is that first kind of basic unit's 1 outside surface in the instance is equipped with top layer 3 in fact; Top layer 3, basic unit 1 and functional layer 2 are coextruded structure, and top layer 3 materials are selected from the mixture or the polymkeric substance of a kind of or many clocks in Vilaterm, Vestolen PP 7052, polybutylenes, the polymethylpentene.
When second kind of embodiment of the present invention prepares said low noise adhesive tape basement membrane; Top layer 3 is by the secondary forcing machine feeding of single screw rod 1#; Basic unit 1 is by the feeding of twin screw main extruder, and functional layer 2 is by the secondary forcing machine feeding of twin screw 2#, and above-mentioned three kinds of extrudate are all confluxed and formed three-decker through the co-extrusion extrusion again in same T die; This coextruded layer batches after cooling, two-way extension, corona treatment again, promptly forms low noise adhesive tape basement membrane of the present invention.
The third embodiment of low noise adhesive tape basement membrane of the present invention shown in Fig. 3 has additional top layer 4 last time between second kind of top layer 3 and basic unit 1 in the instance; Top layer 3, last time, top layer 4, basic unit 1 and functional layer 2 were coextruded structure, and last time, top layer 4 materials were selected from the mixture or the polymkeric substance of a kind of or many clocks in Vilaterm, Vestolen PP 7052, polybutylenes, the polymethylpentene.
When the third embodiment of the present invention prepares said low noise adhesive tape basement membrane; Top layer 3 is by the secondary forcing machine feeding of single screw rod 1#, and last time, top layer 4 was fed by the secondary forcing machine of single screw rod 3#, and basic unit 1 is fed by the twin screw main extruder; Functional layer 2 is by the secondary forcing machine feeding of twin screw 2#; Above-mentioned four kinds of extrudate are all confluxed and are formed four-layer structure through the co-extrusion extrusion again in same T die, and this coextruded layer batches after cooling, two-way extension, corona treatment again, promptly forms low noise adhesive tape basement membrane of the present invention.
The 4th kind of embodiment of the low noise adhesive tape basement membrane of the present invention shown in Fig. 4 is in fact for being provided with next top layer 5 between function 2 in the third instance and the basic unit 1; Top layer 3, last time, top layer 4, basic unit 1, next top layer 5 and functional layer 2 were coextruded structure, and next top layer 5 materials are selected from the mixture or the polymkeric substance of a kind of or many clocks in Vilaterm, Vestolen PP 7052, polybutylenes, the polymethylpentene.
When the 4th kind of embodiment of the present invention prepares said low noise adhesive tape basement membrane; Top layer 3 is by the secondary forcing machine feeding of single screw rod 1#; Last time, top layer 4 was fed by the secondary forcing machine of single screw rod 3#, and basic unit 1 is by the feeding of twin screw main extruder, and last time, top layer 4 was by the secondary forcing machine feeding of single screw rod 4#; Functional layer 2 is by the secondary forcing machine feeding of twin screw 2#; Above-mentioned four kinds of extrudate are all confluxed and are formed five-layer structure through the co-extrusion extrusion again in same T die, and this coextruded layer batches after cooling, two-way extension, corona treatment again, promptly forms low noise adhesive tape basement membrane of the present invention.
The above embodiment low noise of the present invention adhesive tape basement membrane noise reduction is obvious, processes adhesive tape with basement membrane gluing of the present invention, and when peeling off with 30 m/mins, noise is 20 decibels, and when peeling off with 100 m/mins, noise is 45 decibels; And the adhesive tape that Comparative Examples is processed with traditional basement membrane, when peeling off with 30 m/mins, noise is 90 decibels, when peeling off with 100 m/mins, noise is 125 decibels.
Claims (6)
1. low noise adhesive tape basement membrane; Comprise the basic unit of coextrusion two-way stretch and be arranged on the functional layer in the basic unit; It is characterized in that: said basic unit and functional layer are coextruded structure; The material that constitutes the basic unit of coextruded structure is a polyolefine, and the material that constitutes the functional layer of coextruded structure is to be made up of polyolefine and the SOLID ORGANIC release agent that accounts for functional layer weight 1.0～20.0%.
2. low noise adhesive tape basement membrane according to claim 1 is characterized in that: said polyolefine is selected from the mixture or the polymkeric substance of a kind of or many clocks in Vilaterm, Vestolen PP 7052, polybutylenes, the polymethylpentene.
3. low noise adhesive tape basement membrane according to claim 1 is characterized in that: said SOLID ORGANIC release agent is selected from organosilicon micro mist, the organic fluorine micro mist one or both mixture or polymkeric substance.
4. low noise adhesive tape basement membrane according to claim 1; It is characterized in that: said base layer exterior surface is provided with the top layer; Top layer, basic unit and functional layer are coextruded structure, and skin-material is selected from the mixture or the polymkeric substance of a kind of or many clocks in Vestolen PP 7052, Vilaterm, polybutylenes, the polymethylpentene.
5. according to claim 1 or 4 described low noise adhesive tape basement membranes; It is characterized in that: be provided with top layer last time between said top layer and the basic unit; Top layer, last time, top layer, basic unit and functional layer were coextruded structure, and last time, skin-material was selected from the mixture or the polymkeric substance of a kind of or many clocks in Vestolen PP 7052, Vilaterm, polybutylenes, the polymethylpentene.
6. according to claim 1,4 or 5 described low noise adhesive tape basement membranes; It is characterized in that: be provided with next top layer between said function and the basic unit; Top layer, last time, top layer, basic unit, next top layer and functional layer were coextruded structure, and next skin-material is selected from the mixture or the polymkeric substance of a kind of or many clocks in Vestolen PP 7052, Vilaterm, polybutylenes, the polymethylpentene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104594503A CN102559088A (en) | 2011-12-30 | 2011-12-30 | Low-noise binding tape base film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104594503A CN102559088A (en) | 2011-12-30 | 2011-12-30 | Low-noise binding tape base film |
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| CN102559088A true CN102559088A (en) | 2012-07-11 |
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| CN2011104594503A Pending CN102559088A (en) | 2011-12-30 | 2011-12-30 | Low-noise binding tape base film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778631A (en) * | 2020-12-25 | 2021-05-11 | 金发科技股份有限公司 | Low-noise adhesive tape upper surface layer release material and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63196679A (en) * | 1987-02-10 | 1988-08-15 | Nippon Carbide Ind Co Ltd | Pressure-sensitive adhesive layer |
| CN201198209Y (en) * | 2008-03-20 | 2009-02-25 | 江苏恒创包装材料有限公司 | Two-way stretching polypropylene sound-deadening adhesive tape basement membrane |
| CN101885256A (en) * | 2010-06-22 | 2010-11-17 | 佛山市塑兴母料有限公司 | Release liner and production method thereof |
-
2011
- 2011-12-30 CN CN2011104594503A patent/CN102559088A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63196679A (en) * | 1987-02-10 | 1988-08-15 | Nippon Carbide Ind Co Ltd | Pressure-sensitive adhesive layer |
| CN201198209Y (en) * | 2008-03-20 | 2009-02-25 | 江苏恒创包装材料有限公司 | Two-way stretching polypropylene sound-deadening adhesive tape basement membrane |
| CN101885256A (en) * | 2010-06-22 | 2010-11-17 | 佛山市塑兴母料有限公司 | Release liner and production method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘瑞霞: "《塑料挤出成型》", 31 July 2005, article "塑料挤出成型", pages: 211-212 - 250 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778631A (en) * | 2020-12-25 | 2021-05-11 | 金发科技股份有限公司 | Low-noise adhesive tape upper surface layer release material and preparation method and application thereof |
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Application publication date: 20120711 |