CN102977804A - Foam two-sided pressure sensitive tape with excellent comprehensive performance and production process thereof - Google Patents
Foam two-sided pressure sensitive tape with excellent comprehensive performance and production process thereof Download PDFInfo
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- CN102977804A CN102977804A CN2012104740307A CN201210474030A CN102977804A CN 102977804 A CN102977804 A CN 102977804A CN 2012104740307 A CN2012104740307 A CN 2012104740307A CN 201210474030 A CN201210474030 A CN 201210474030A CN 102977804 A CN102977804 A CN 102977804A
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Abstract
The invention relates to a foam two-sided pressure sensitive tape with excellent comprehensive performance and a production process thereof. The production process is characterized by comprising the following steps of: (1) preparing a pressure sensitive adhesive composition; (2) preparing a binding blending agent; (3) carrying out surface corona treatment on two sides of a foam base material; (4) carrying out primary coating; (5) carrying out secondary coating; and (6) stripping release paper, wherein a release membrane is used as an isolation layer instead, so that the foam two-sided pressure sensitive tape is obtained. The production process of the foam two-sided pressure sensitive tap provided by the invention is simple in flow, easy to operate and low in production cost and has more competitive advantage, and the foam two-sided pressure sensitive tap obtained by adopting the process is improved in comprehensive performance formed by various basic performances, especially an adhesive force, a primary viscous force and retentivity, so that the foam two-sided pressure sensitive tap provided by the invention has better applicability in the fields with higher performance requirements.
Description
Technical field
The present invention relates to a kind of double sticky tape and production technique thereof, relate in particular to a kind of foam double sticky tape and production technique thereof.
Background technology
Pressuresensitive Tape is the abbreviation of pressure-sensitive adhesive tape, is a class has susceptibility to pressure sealing tape.The foam double-sided pressure-sensitive adhesive tape then is take foam as base material, double spread identical or different type pressure-sensitive adhesive mixture and the adhesive tape made.Double sticky tape is different by the application scenario, can be divided into daily double sticky tape and industrial double sticky tape, daily double sticky tape is lower to the Essential Performance Requirements such as viscosity of adhesive tape, and industrial double sticky tape is because the singularity of its Application Areas, usually adhesive tape is comprised clinging power, initial bonding strength and confining force are higher at interior Essential Performance Requirements, and the clinging power of foam double-sided pressure-sensitive adhesive tape in the market, initial bonding strength and confining force are generally relatively poor, or single performance better but over-all properties is relatively poor, the foam cohesive failure usually appears during performance test, the glue-line cohesive failure, resistance to elevated temperatures is not good, the problem that heavy industry is relatively poor and the foam tape shrinking percentage is larger, and the various performances of very difficult balance, make over-all properties be in better level, usually attend to one thing and lose sight of another, therefore existing foam double-sided pressure-sensitive adhesive tape is difficult to satisfy the higher Application Areas of performance requriements.
Summary of the invention
For the prior art above shortcomings, one of technical problem to be solved by this invention provides a kind of production technique of foam double-sided pressure-sensitive adhesive tape of excellent combination property.
Two of technical problem to be solved by this invention provides a kind of foam double-sided pressure-sensitive adhesive tape of excellent combination property.
For achieving the above object, the technical solution used in the present invention is: a kind of foam double-sided pressure-sensitive adhesive tape and production technique thereof of excellent combination property, it is characterized in that, and may further comprise the steps:
(1) preparation pressure sensitive adhesive composition.
(2) preparation gluing mixture: described pressure sensitive adhesive composition and solidifying agent are fully mixed, and at room temperature leave standstill 30min, described hardener dose is 2%～3% of described pressure sensitive adhesive composition total mass.
(3) the two-sided surface corona that carries out of foam base material is processed.
(4) first coating engineerings: described gluing mixture is coated on the one side of the first two-sided separate-type paper, behind oven drying, the adhesive one side of the described first two-sided separate-type paper is fitted on the one side of described foam base material, and together rolling after fitting fully makes the first engineering adhesive tape.
(5) second coating engineerings: described gluing mixture is coated on the one side of the second two-sided separate-type paper, through behind the oven drying, with the foam base material not coated face applying of the adhesive one side of the described second two-sided separate-type paper with described the first engineering adhesive tape, make the second engineering adhesive tape after the applying fully.
(6) the second two-sided separate-type paper in described the second engineering adhesive tape is separated with described the first engineering adhesive tape, peel off at last the first two-sided separate-type paper of described the first engineering adhesive tape, use release film instead as sealing coat, thereby make described foam double-sided pressure-sensitive adhesive tape.
In a preferred embodiment of the present invention, comprise that further described foam base material is closed pore PE foam, closed pore PP foam or closed pore EPDM foam.
In a preferred embodiment of the present invention, the polymerization single polymerization monomer that further comprises described pressure sensitive adhesive composition is one or more in butyl acrylate, Isooctyl acrylate monomer, hydroxyethyl methylacrylate and the methyl methacrylate, and solvent is vinyl acetic monomer.
In a preferred embodiment of the present invention, comprise that further described solidifying agent is isocyanate curing agent, consumption is 2%～3% of described pressure sensitive adhesive composition total mass.
In a preferred embodiment of the present invention, comprise that further the dried glue thickness of the described gluing mixture of described foam double-sided pressure-sensitive adhesive tape single spreading that makes is 50 μ m～70 μ m.
In a preferred embodiment of the present invention, comprise further in the step (3) that it is 1.5kw～2.5kw that described foam base material is carried out the corona discharge power that surface corona processes.
In a preferred embodiment of the present invention, further comprise the PE release film of described release film for processing through the UV photocuring, and the requirement of the off-type force of described release film is gently release for one side, release in the another side.
In a preferred embodiment of the present invention, comprise that further the drying tunnel temperature of baking oven in described the first coating engineering and the second coating engineering is respectively 100 ℃～110 ℃.
In a preferred embodiment of the present invention, comprise that further vertical coating tension force of foam base material in described the first coating engineering and the second coating engineering is respectively 15%～25%.
In addition, the present invention also provides a kind of foam double-sided pressure-sensitive adhesive tape of excellent combination property, adopts above-mentioned production technique to be prepared from.
The invention solves the defective that exists in the background technology, with respect to prior art, foam double-sided pressure-sensitive adhesive tape and the production technique thereof of a kind of excellent combination property of the present invention, flow process is simple, and is easy to operate, production cost is low, have more competitive edge, and the foam double-sided pressure-sensitive adhesive tape that adopts this technique to make, the formed over-all properties of its every fundamental property improves, especially clinging power, initial bonding strength and confining force are therefore better to the suitability of the higher Application Areas of performance requriements.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the layer structural representation of any foam double-sided pressure-sensitive adhesive tape among the preferred embodiments of the present invention 1-4;
Fig. 2 is the production technological process of any foam double sticky tape among the preferred embodiments of the present invention 1-4;
Fig. 3 is the Production Flow Chart synoptic diagram of compound working procedure section in the technological process of production of any foam double sticky tape among the preferred embodiments of the present invention 1-4;
Among the figure: 2, foam base material, 4, pressure-sensitive adhesive layer, 6, the plastics film body, 8, parting agent layer, 1, emptying roller, 3, glue spreader, 5, drying tunnel, 7, composite press roller, 9, surface corona processor, 11, material receiving roller.
Embodiment
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the synoptic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only shows the formation relevant with the present invention.
Embodiment 1:
As shown in Figure 2, a kind of foam double-sided pressure-sensitive adhesive tape and production technique thereof of excellent combination property may further comprise the steps:
(1) preparation pressure sensitive adhesive composition: take butyl acrylate as polymerization single polymerization monomer, use vinyl acetic monomer to prepare as solvent, the gained pressure sensitive adhesive composition is called the butyl acrylate pressure sensitive adhesive in this area.
(2) preparation gluing mixture: pressure sensitive adhesive composition and the solidifying agent of step (2) preparation are fully mixed, and at room temperature leave standstill 30min.Particularly, used solidifying agent is isocyanate curing agent, and consumption is 2%～3% of pressure sensitive adhesive composition total mass.
(3) the two-sided surface corona that carries out of foam base material is processed, equipment used is the adjustable power type surface corona processor, and the corona treatment power setting is 1.5kw～2.5kw, to improve the surface energy of foam base material.Simultaneously, the foam base material is selected closed pore PE foam, closed pore PP foam or closed pore EPDM foam, and is less because of the pass of these three kinds of closed pore foam base materials, tensile strength is larger, docile property is better, is conducive to improve the over-all properties of foam double-sided pressure-sensitive adhesive tape integral body.Certainly do not get rid of the foam base material that uses other to have closed pore, pinhole type, good tensile strength and docile property feature and can reach the above-mentioned over-all properties effect of improvement yet.
(4) first coating engineerings: the gluing mixture that step (2) is made is coated on the one side of the first two-sided separate-type paper, dried glue gluing gauge control is at 60 μ m, vertically coating tension force is 20%, after 105 ℃ of drying tunnel dryings of baking oven, the adhesive one side of this first two-sided separate-type paper is fitted on the one side of the foam base material that step (3) is processed, together rolling after fitting fully makes the first engineering adhesive tape
(5) second coating engineerings: the gluing mixture that step (2) is made is coated on the one side of the second two-sided separate-type paper, dried glue gluing gauge control is at 60 μ m, vertically coating tension force is 20%, after 105 ℃ of drying tunnel dryings of baking oven, with the foam base material of the adhesive one side of this second two-sided separate-type paper and step (4) gained the first engineering adhesive tape not coated face fit, fit fully after together rolling make the second engineering adhesive tape.
(6) the second two-sided separate-type paper in the second engineering adhesive tape is separated with the first engineering adhesive tape, peel off at last the first two-sided separate-type paper of the first engineering adhesive tape, and use release film instead at this face and make lining, become sealing coat, thereby make foam double-sided pressure-sensitive adhesive tape of the present invention, be packaged as at last finished product.Wherein, the PE release film of used release film for processing through the UV photocuring comprises the plastics film body and coats respectively the parting agent on plastics film body two sides that the off-type force of release film requires as simultaneously gently release, and is release in the another side.
No matter be above-mentioned the first coating engineering or the second coating engineering, be the compound working procedure section of production technique of the present invention, idiographic flow is identical, and as shown in Figure 3, the below carries out simple declaration as an example of the first coating engineering example.
On the one hand, the first two-sided separate-type paper is coated with the gluing mixtures by emptying roller 1 through glue spreader 3, and then arrives composite press roller 7 places after dry in the drying tunnel 5 of baking oven; On the other hand, the foam base material also arrives composite press roller 7 through surface corona processor 9 corona treatment, and is compound with gluing and the dried first two-sided separate-type paper, by material receiving roller 11 rollings, makes the first engineering adhesive tape at last.
As shown in Figure 1, a kind of foam double-sided pressure-sensitive adhesive tape of excellent combination property adopts above-mentioned production technique to be prepared from.Comprise foam base material 2 and be divided into the pressure-sensitive adhesive layer 4 that foam base material 2 two sides are made of the gluing mixture, pressure-sensitive adhesive layer 4 outside surfaces of foam base material 2 one sides are provided with release film, and release film comprises plastics film body 6 and is divided into the parting agent layer 8 that plastics film body 6 two sides are made of parting agent.Foam base material 2 among the embodiment 1 is closed pore foam base material, and the solidifying agent in the gluing mixture is isocyanate curing agent, and pressure sensitive adhesive composition is the butyl acrylate pressure sensitive adhesive.
Embodiment 2-4:
The production technique of embodiment 2-4 foam double-sided pressure-sensitive adhesive tape separately and the difference of embodiment 1, and the foam double-sided pressure-sensitive adhesive tape that makes of the production technique correspondence of using embodiment 2-4 and the difference of embodiment 1 only are the pressure sensitive adhesive composition prescription shown in the table 1, the dried glue gluing of single face thickness, and coating tension force.
The foam double-sided pressure-sensitive adhesive tape that the production technique of using respectively embodiment 1-4 is made carries out properties test as described below, and test result is shown in the table 1.The qualified foam double-sided pressure-sensitive adhesive tape that makes of referring to wherein:
(1) under the room temperature condition stainless steel plate pasted 30min after, 90 ° of peeling forces〉40N/20mm;
(2) under the room temperature condition, press the initial bonding strength of PSTC-6 standard testing: 14# steel ball, roll displacement＜20mm;
(3) under the condition of different temperatures, by the viscous force of holding of GB/T4851 standard testing: low temperature-20 ℃, 20 * 10mm
2, 2h, non-displacement; 23 ± 2 ℃ of normal temperature, 20 * 20mm
2, 400h, non-displacement is without warpage; 85 ℃ of high temperature, 20 * 10mm
2, 0.5h, non-displacement;
(4) according to formula: shrinking percentage=(size after size before shrinking-contraction)/size * 100% before shrinking,
The shrinking percentage that calculates behind room temperature test 24h is: laterally be 0, vertically less than 0.3%.By above-mentioned test result as can be known, the foam double-sided pressure-sensitive adhesive tape over-all properties that adopts production technique of the present invention to make is quite excellent.
Table 1
Need to prove, Isooctyl acrylate monomer pressure sensitive adhesive among the embodiment 2-4, hydroxyethyl methylacrylate pressure sensitive adhesive and methyl methacrylate pressure sensitive adhesive be the pressure sensitive adhesive composition of the corresponding preparation take Isooctyl acrylate monomer, hydroxyethyl methylacrylate and methyl methacrylate as polymerization single polymerization monomer respectively, and solvent is vinyl acetic monomer.Pressure sensitive adhesive composition, solidifying agent and parting agent all can be selected the general corresponding raw material of the industry.Particularly, in embodiment 1-4, the parting agent that the contriver selects is the silicone release agent, is specially UV and solidifies silicone oil.
Above foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related personnel can in the scope that does not depart from this invention technological thought, carry out various change and modification fully.The technical scope of this invention is not limited to the content in the specification sheets, must determine technical scope according to the claim scope.
Claims (10)
1. foam double-sided pressure-sensitive adhesive tape and the production technique thereof of an excellent combination property is characterized in that, may further comprise the steps:
(1) preparation pressure sensitive adhesive composition;
(2) preparation gluing mixture: described pressure sensitive adhesive composition and solidifying agent are fully mixed, and at room temperature leave standstill 30min, described hardener dose is 2%～3% of described pressure sensitive adhesive composition total mass;
(3) the two-sided surface corona that carries out of foam base material is processed;
(4) first coating engineerings: described gluing mixture is coated on the one side of the first two-sided separate-type paper, behind oven drying, the adhesive one side of the described first two-sided separate-type paper is fitted on the one side of described foam base material, and together rolling after fitting fully makes the first engineering adhesive tape;
(5) second coating engineerings: described gluing mixture is coated on the one side of the second two-sided separate-type paper, through behind the oven drying, with the foam base material not coated face applying of the adhesive one side of the described second two-sided separate-type paper with described the first engineering adhesive tape, make the second engineering adhesive tape after the applying fully;
(6) the second two-sided separate-type paper in described the second engineering adhesive tape is separated with described the first engineering adhesive tape, peel off at last the first two-sided separate-type paper of described the first engineering adhesive tape, use release film instead as sealing coat, thereby make described foam double-sided pressure-sensitive adhesive tape.
2. foam double-sided pressure-sensitive adhesive tape and the production technique thereof of a kind of excellent combination property according to claim 1, it is characterized in that: described foam base material is closed pore PE foam, closed pore PP foam or closed pore EPDM foam.
3. foam double-sided pressure-sensitive adhesive tape and the production technique thereof of a kind of excellent combination property according to claim 1, it is characterized in that: the polymerization single polymerization monomer of described pressure sensitive adhesive composition is one or more in butyl acrylate, Isooctyl acrylate monomer, hydroxyethyl methylacrylate and the methyl methacrylate, and solvent is vinyl acetic monomer.
4. foam double-sided pressure-sensitive adhesive tape and the production technique thereof of a kind of excellent combination property according to claim 1, it is characterized in that: described solidifying agent is isocyanate curing agent.
5. foam double-sided pressure-sensitive adhesive tape and the production technique thereof of a kind of excellent combination property according to claim 1, it is characterized in that: the dried glue thickness of the described gluing mixture of described foam double-sided pressure-sensitive adhesive tape single spreading that makes is 50 μ m～70 μ m.
6. foam double-sided pressure-sensitive adhesive tape and the production technique thereof of a kind of excellent combination property according to claim 1 is characterized in that: in the step (3) described foam base material being carried out the corona discharge power that surface corona processes is 1.5kw～2.5kw.
7. foam double-sided pressure-sensitive adhesive tape and the production technique thereof of a kind of excellent combination property according to claim 1, it is characterized in that: the PE release film of described release film for processing through the UV photocuring, and the off-type force of described release film requires as simultaneously gently release, and is release in the another side.
8. foam double-sided pressure-sensitive adhesive tape and the production technique thereof of a kind of excellent combination property according to claim 1 is characterized in that: the drying tunnel temperature of baking oven is set to respectively 100 ℃～110 ℃ in described the first coating engineering and the second coating engineering.
9. foam double-sided pressure-sensitive adhesive tape and the production technique thereof of a kind of excellent combination property according to claim 1 is characterized in that: vertical coating tension force of foam base material is respectively 15%～25% in described the first coating engineering and the second coating engineering.
10. the foam double-sided pressure-sensitive adhesive tape of an excellent combination property is characterized in that: adopt that each described production technique is prepared among the claim 1-9.
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| CN2012104740307A CN102977804A (en) | 2012-11-21 | 2012-11-21 | Foam two-sided pressure sensitive tape with excellent comprehensive performance and production process thereof |
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| CN2012104740307A CN102977804A (en) | 2012-11-21 | 2012-11-21 | Foam two-sided pressure sensitive tape with excellent comprehensive performance and production process thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086870A (en) * | 2015-09-01 | 2015-11-25 | 太仓金煜电子材料有限公司 | Ultrathin electric foamed plastic tape and production method thereof |
| CN106113887A (en) * | 2016-06-03 | 2016-11-16 | 东莞市途锐机械有限公司 | Photocuring solvent-free coatable machine |
| CN106675430A (en) * | 2016-12-22 | 2017-05-17 | 江西省台辰新材料有限公司 | Method for producing foam adhesive tape and produced foam adhesive tape |
| CN107177321A (en) * | 2017-06-05 | 2017-09-19 | 苏州金禾新材料股份有限公司 | A kind of disassembled foam double-faced adhesive |
| CN108373068A (en) * | 2018-02-27 | 2018-08-07 | 苏州万洲新材料有限公司 | A kind of production method of mutability material die cutting of adhesive tapes product |
| CN109762477A (en) * | 2018-12-21 | 2019-05-17 | 江苏杰立胶粘材料科技有限公司 | A kind of automobile foam tape and its production technology |
| CN110283558A (en) * | 2019-07-19 | 2019-09-27 | 厦门市垄江工业制品有限公司 | A kind of foam dust-proof cushion gum and preparation method thereof |
| CN110964455A (en) * | 2019-12-30 | 2020-04-07 | 太仓金煜电子材料有限公司 | Production method of ultrathin foam composite film adhesive tape and adhesive tape |
| CN111057478A (en) * | 2018-10-17 | 2020-04-24 | 德莎欧洲股份公司 | Easy-to-pull adhesive foam adhesive tape capable of being removed without residues and electronic product comprising same |
| CN111883697A (en) * | 2020-07-17 | 2020-11-03 | 东莞华誉精密技术有限公司 | Multi-station pressing process for battery cover |
| CN112011280A (en) * | 2020-08-31 | 2020-12-01 | 辛格顿(常州)新材料科技有限公司 | Manufacturing and laminating process of waterproof flame-retardant foam |
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| JPS5861166A (en) * | 1981-10-06 | 1983-04-12 | Nitto Electric Ind Co Ltd | Preparation of pressure-sensitive adhesive tape |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086870B (en) * | 2015-09-01 | 2017-07-14 | 太仓金煜电子材料有限公司 | A kind of super-thin electronic foam tape and its production method |
| CN105086870A (en) * | 2015-09-01 | 2015-11-25 | 太仓金煜电子材料有限公司 | Ultrathin electric foamed plastic tape and production method thereof |
| CN106113887B (en) * | 2016-06-03 | 2018-08-31 | 东莞市途锐机械有限公司 | Photocuring solvent-free coatable machine |
| CN106113887A (en) * | 2016-06-03 | 2016-11-16 | 东莞市途锐机械有限公司 | Photocuring solvent-free coatable machine |
| CN106675430A (en) * | 2016-12-22 | 2017-05-17 | 江西省台辰新材料有限公司 | Method for producing foam adhesive tape and produced foam adhesive tape |
| CN107177321A (en) * | 2017-06-05 | 2017-09-19 | 苏州金禾新材料股份有限公司 | A kind of disassembled foam double-faced adhesive |
| CN108373068A (en) * | 2018-02-27 | 2018-08-07 | 苏州万洲新材料有限公司 | A kind of production method of mutability material die cutting of adhesive tapes product |
| CN108373068B (en) * | 2018-02-27 | 2019-09-24 | 苏州万洲新材料有限公司 | A kind of production method of mutability material die cutting of adhesive tapes product |
| CN111057478A (en) * | 2018-10-17 | 2020-04-24 | 德莎欧洲股份公司 | Easy-to-pull adhesive foam adhesive tape capable of being removed without residues and electronic product comprising same |
| CN111057478B (en) * | 2018-10-17 | 2022-07-29 | 德莎欧洲股份公司 | Easy-to-pull adhesive foam adhesive tape capable of being removed without residues and electronic product comprising same |
| CN109762477A (en) * | 2018-12-21 | 2019-05-17 | 江苏杰立胶粘材料科技有限公司 | A kind of automobile foam tape and its production technology |
| CN110283558A (en) * | 2019-07-19 | 2019-09-27 | 厦门市垄江工业制品有限公司 | A kind of foam dust-proof cushion gum and preparation method thereof |
| CN110964455A (en) * | 2019-12-30 | 2020-04-07 | 太仓金煜电子材料有限公司 | Production method of ultrathin foam composite film adhesive tape and adhesive tape |
| CN111883697A (en) * | 2020-07-17 | 2020-11-03 | 东莞华誉精密技术有限公司 | Multi-station pressing process for battery cover |
| CN112011280A (en) * | 2020-08-31 | 2020-12-01 | 辛格顿(常州)新材料科技有限公司 | Manufacturing and laminating process of waterproof flame-retardant foam |
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Application publication date: 20130320 |