CN103694917A - Foam adhesive tape and production process thereof - Google Patents
Foam adhesive tape and production process thereof Download PDFInfo
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- CN103694917A CN103694917A CN201310646593.4A CN201310646593A CN103694917A CN 103694917 A CN103694917 A CN 103694917A CN 201310646593 A CN201310646593 A CN 201310646593A CN 103694917 A CN103694917 A CN 103694917A
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- glue
- adhesive tape
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- foam adhesive
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Abstract
The invention provides a foam adhesive tape and a production process thereof. The foam adhesive tape comprises an isolation layer, a first glue layer, a base layer, a second glue layer and a foam layer orderly from one side to the other side, wherein the dry glue content of the first glue layer is 30-150g/m<2>, while the dry glue content of the second glue layer does not exceed 50g/m<2>; the base layer is a PET (Polyethylene Terephthalate) film and the thickness range of the PET film is from 2 to 100 microns; the foam layer is made from PE (Poly Ethylene) or EVA (Ethylene-Vinyl Acetate), and the thickness of the foam layer does not exceed 1.5mm; the foaming capacity of the foam layer is 1-20 times. The foam adhesive tape provided by the invention can be pasted repeatedly for a long time, and can also be recovered and reused; the foam adhesive tape has high tensile strength and low extensibility, and is not easy to deform and break.
Description
Technical field
The present invention relates to a kind of foam adhesive tape and production technique thereof, relate in particular to a kind of foam adhesive tape and production technique thereof reusing.
Background technology
In daily life, be seen everywhere and post up placard on metope, glass, plastics, concrete column, advertisement, recruitment information, safety sign etc.And tradition sticky object used be double sticky tape or some not with the colloid of base material, majority can only be used once, easily produces cull or sticky dead problem after pasting.Glue and need fixture also all can not reclaim and reuse, and easily formed and pollute pasting materials (metope, glass, plastics, concrete column etc.), has even just pasted discovery paste wrong, paste and askewly all can not correct, the while has also produced a large amount of rubbish and higher expense.
And some one side foam adhesive tapes without stratum basale used have higher requirement to the expansion ratio of foam and thickness in the recent period, expansion ratio is easy to wood destruction while peeling off greatly, and thickness is too thick or too thin use is more difficult, peel off and heavy industry, and easily distortion, even makes the problems such as foam layer fracture because fixation weight is excessive in stamp processing or use procedure.
In order to solve above-mentioned the deficiencies in the prior art, be badly in need of a kind of brand-new adhesive tape reusing of invention.
Summary of the invention
In order to solve the problems of the technologies described above, the present invention a kind of foam adhesive tape and production technique thereof, this foam adhesive tape can repeat to paste for a long time.
The technical solution adopted for the present invention to solve the technical problems is:
A foam adhesive tape, described foam adhesive tape comprises sealing coat, the first glue-line, stratum basale, the second glue-line and foam layer successively from one side to opposite side, the first glue-line gluing dry measure is 30～150g/m
2, the second glue-line gluing dry measure is no more than 50g/m
2, stratum basale is PET film, and thickness range is at 2～100 μ m, and described foam layer is PE or EVA, and thickness is no more than 1.5mm, and the frothing percentage of foam layer is 1～20 times.
As a further improvement on the present invention, the thickness of described foam adhesive tape is no more than 1.8mm.
As a further improvement on the present invention, the thickness range of described foam adhesive tape is 0.5～1.0mm.
As a further improvement on the present invention, described sealing coat is one side or two-sided release paper, PE film or PET film, and its off-type force is 5～100g.
As a further improvement on the present invention, 180 ° of peeling forces of the first glue-line are greater than 0.5kg/25mm, and 180 ° of peeling forces of the second glue-line are greater than 2kg/25mm.
As a further improvement on the present invention, the first glue-line is vinylformic acid non-setting adhesive, and the second glue-line is vinylformic acid glue.
As a further improvement on the present invention, the thickness of foam layer is 50～200 μ m, and its frothing percentage is 5-10 times.
As a further improvement on the present invention, the surface wettability tension force of described foam layer is greater than 42mN/m.
As a further improvement on the present invention, the thickness of described stratum basale is 2～50 μ m.
A production technique for above-mentioned foam adhesive tape, specifically comprises the following steps:
A, release of sealing coat evenly coating vinylformic acid glue form the second glue-line, then put it in baking oven and toast, setting baking oven is the some sections of arid regions that temperature is different, temperature range is 60～110 ℃;
B, the second glue-line is fitted in to the one side of foam layer after baking box, the second glue-line is transferred to above foam layer, reclaim sealing coat simultaneously, then again stratum basale secondary is fitted in the one side that sealing coat originally fitted in the second glue-line;
C, then in a side of the sealing coat reclaiming, be evenly coated with vinylformic acid non-setting adhesive and form the first glue-line, then put it in baking oven and toast, baking oven is arranged to the some sections of arid regions that temperature is different, and temperature range is 60～110 ℃;
D, after baking box, the opposite side of the first glue-line is fitted in to the opposite side of stratum basale in step b.
The present invention compared with prior art has following beneficial effect:
The invention provides a kind of foam adhesive tape and production technique thereof, this foam adhesive tape can be pasted for a long time repeatedly, recyclable and recycling, and possess high-intensity tensile strength and low extensibility, be difficult for deformation and fracture.
Accompanying drawing explanation
Fig. 1 is the structure iron of foam adhesive tape of the present invention.
Embodiment
Below by embodiment, the present invention will be further elaborated:
In the present invention, foam adhesive tape comprises sealing coat 1, the first glue-line 2, stratum basale 3, the second glue-line 4 and foam layer 5(Shenfu Fig. 1 successively from one side to opposite side), described the first glue-line 2 is vinylformic acid high movable non-setting adhesive, gluing dry measure is 30～150g/m
2, preferred 50～80g/m
2, the second glue-line 4 is vinylformic acid glue, and stratum basale 3 is PET film, and thickness range is at 2～100 μ m, and described foam layer 5 is PE or EVA, the frothing percentage of foam layer 5 is 1～20 times, preferably 5～10 times.
The thickness of described foam adhesive tape is no more than 1.8mm, is preferably 0.5～1.0mm.Described sealing coat 1 is PE film or PET film, and its off-type force is 5～100g.180 ° of peeling forces of the first glue-line 2 are greater than 0.5kg/25mm, and 180 ° of peeling forces of the second glue-line 4 are greater than 2kg/25mm, and the second glue-line 4 gluing dry measures are no more than 50g/m
2.The thickness of foam layer 5 is no more than 1.5 μ m, is preferably 50～200 μ m, and the surface wettability tension force of described foam layer 5 is greater than 42mN/m, and the thickness of described stratum basale 3 is 2～50 μ m.
Below table one enumerated concrete foam adhesive tape and parameter thereof:
Table one
In above table, in each embodiment, the production technique of foam adhesive tape specifically comprises the following steps:
A, be evenly coated with vinylformic acid glue form the second glue-line in a side of sealing coat, then put it in baking oven and toast, setting baking oven is the some sections of arid regions that temperature is different, and temperature range is 60～110 ℃;
B, the second glue-line is fitted in to the one side of foam layer after baking box, the second glue-line is transferred to above foam layer, reclaim sealing coat simultaneously, then again stratum basale secondary is fitted in the one side that sealing coat originally fitted in the second glue-line;
C, then in a side of the sealing coat reclaiming, be evenly coated with vinylformic acid non-setting adhesive and form the first glue-line, then put it in baking oven and toast, baking oven is arranged to the some sections of arid regions that temperature is different, and temperature range is 60～110 ℃;
D, after baking box, the opposite side of the first glue-line is fitted in to the opposite side of stratum basale in step b.
Wherein, the temperature of baking box can be set to 60 ℃, 70 ℃, 80 ℃, 90 ℃, 100 ℃, 110 ℃ 6 sections of different temperature provinces; certainly; in the present invention; so long as be arranged to 6～8 sections of temperature different between 60～110 ℃, all belong to protection scope of the present invention, all can play the bake drying effect in processing step of the present invention.
Below by concrete Application Example, embody better usefulness of the present invention.
Application Example:
The experiment target adhesive tape adopting in this application embodiment is the latex foam carry sample making according to production method of the present invention in embodiment mono-to embodiment ten in form one, is labeled as respectively sample 1, sample 2, sample 3, sample 4, sample 5, sample 6, sample 7, sample 8, sample 9 and sample 10.
In this application embodiment, respectively sample 1～10 is fitted on different materials, be respectively glass, plastics, metope, be labeled as respectively material 1, material 2, material 3.Each material surface is divided into the grid of 10cm * 10cm, the convenient residual gum content of observing after sample adhesive tape sticking.
At the trial, each sample adhesive tape 2h after each material surface is pasted is for the first time torn, the 180 ° peeling forces of test while tearing sample adhesive tape and observe estimation tear after residual gum content in material; Then the sample adhesive tape of tearing is continued to be pasted on material surface, cross 6h and afterwards sample adhesive tape is torn, continue to test 180 ° of peeling forces of sample adhesive tape while tearing and estimate the residual gum content in material; Then the sample adhesive tape of tearing is continued to be pasted on material surface, cross 12h and afterwards sample adhesive tape is torn, continue to test 180 ° of peeling forces of sample adhesive tape while tearing and estimate the residual gum content in material.
Above-mentioned experimental data is as shown in Table 2:
Table two
From the data of table two, can find out, sample adhesive tape 1～10 is repeatedly being fitted and is being torn after three times in corresponding material, 180 ° of peeling forces before its 180 ° of peeling forces are not used compared with sample adhesive tape in form one do not decline too many, still possess good peeling force.In addition, at laminating its residual gum content after three times of tearing repeatedly, be 0.
As can be seen here, the adhesive tape suitability that the present invention produces is high, can be used for indoor and outdoor and each place, and as glass, plastics, metope etc., above rough face is also applicable; Simultaneously environmental protection, seldom produce rubbish, expense is low; For a long time high movable and heavy industry, do not have that cull produces and the destruction of base material substantially, recyclable and reuse; High-intensity tensile strength and low extensibility, processibility is strong, not yielding, fracture.
The adhesive tape of foam described in the present invention can rush formation different shape, in actual use, can be according to the weight and the needs that need fixture, stamp becomes the equilateral hexagon of different diameter size, and several equilateral hexagons are formed to one, and several are a packing unit.General stamp becomes the equilateral hexagon with monobasic coin diameter size, and 50 such equilateral hexagons are one, and 10 are packaged into a pouch, can placement with cabinet, desk, automobile in etc. a plurality of positions, it is easy to preserve, easy to use.Generally be fitted in the mid-way on four jiaos of He Mei limits that need fixing object, can paste more according to demands of individuals, paste less or put up figure and the word of expectation.
Although be example object, the preferred embodiment of the present invention is disclosed, but those of ordinary skill in the art will recognize, in the situation that not departing from by the disclosed scope and spirit of the present invention of appending claims, various improvement, increase and replacement are possible.
Claims (10)
1. a foam adhesive tape, is characterized in that: described foam adhesive tape comprises sealing coat, the first glue-line, stratum basale, the second glue-line and foam layer successively from one side to opposite side, and the first glue-line gluing dry measure is 30～150g/m
2, the second glue-line gluing dry measure is no more than 50g/m
2, stratum basale is PET film, and thickness range is at 2～100 μ m, and described foam layer is PE or EVA, and thickness is no more than 1.5mm, and the frothing percentage of foam layer is 1～20 times.
2. foam adhesive tape according to claim 1, is characterized in that: the thickness of described foam adhesive tape is no more than 1.8mm.
3. foam adhesive tape according to claim 2, is characterized in that: the thickness range of described foam adhesive tape is 0.5～1.0mm.
4. foam adhesive tape according to claim 1, is characterized in that: described sealing coat is one side or two-sided release paper, PE film or PET film, and its off-type force is 5～100g.
5. foam adhesive tape according to claim 1, is characterized in that: 180 ° of peeling forces of the first glue-line are greater than 0.5kg/25mm, and 180 ° of peeling forces of the second glue-line are greater than 2kg/25mm.
6. foam adhesive tape according to claim 1, is characterized in that: the first glue-line is vinylformic acid non-setting adhesive, and the second glue-line is vinylformic acid glue.
7. foam adhesive tape according to claim 1, is characterized in that: the thickness of foam layer is 50～200 μ m, and its frothing percentage is 5-10 times.
8. foam adhesive tape according to claim 1, is characterized in that: the surface wettability tension force of described foam layer is greater than 42mN/m.
9. foam adhesive tape according to claim 1, is characterized in that: the thickness of described stratum basale is 2～50 μ m.
10. a production technique for the foam adhesive tape as described in any one in claim 1～9, is characterized in that: specifically comprise the following steps:
A, release of sealing coat evenly coating vinylformic acid glue form the second glue-line, then put it in baking oven and toast, setting baking oven is the some sections of arid regions that temperature is different, temperature range is 60～110 ℃;
B, the second glue-line is fitted in to the one side of foam layer after baking box, the second glue-line is transferred to above foam layer, reclaim sealing coat simultaneously, then again stratum basale secondary is fitted in the one side that sealing coat originally fitted in the second glue-line;
C, then in a side of the sealing coat reclaiming, be evenly coated with vinylformic acid non-setting adhesive and form the first glue-line, then put it in baking oven and toast, baking oven is arranged to the some sections of arid regions that temperature is different, and temperature range is 60～110 ℃;
D, after baking box, the opposite side of the first glue-line is fitted in to the opposite side of stratum basale in step b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310646593.4A CN103694917A (en) | 2013-12-04 | 2013-12-04 | Foam adhesive tape and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310646593.4A CN103694917A (en) | 2013-12-04 | 2013-12-04 | Foam adhesive tape and production process thereof |
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| CN103694917A true CN103694917A (en) | 2014-04-02 |
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| CN201310646593.4A Pending CN103694917A (en) | 2013-12-04 | 2013-12-04 | Foam adhesive tape and production process thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875950A (en) * | 2015-06-01 | 2015-09-02 | 黄山永新股份有限公司 | Covering membrane and preparation method thereof |
| CN105153955A (en) * | 2015-09-10 | 2015-12-16 | 上海晶华胶粘新材料股份有限公司 | Photovoltaic module bonding adhesive product and preparation technique thereof |
| CN106018091A (en) * | 2016-06-29 | 2016-10-12 | 苏州市明大高分子科技材料有限公司 | Method for testing tensile property of material with low elasticity modulus and high surface adhesive capacity |
| CN107245307A (en) * | 2017-07-20 | 2017-10-13 | 信利半导体有限公司 | Waterproof foam structure for electronic equipment |
| CN112538319A (en) * | 2020-12-14 | 2021-03-23 | 江苏晶华新材料科技有限公司 | Pearl cotton adhesive tape and preparation process thereof |
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| JP2004189846A (en) * | 2002-12-10 | 2004-07-08 | Sekisui Chem Co Ltd | Pressure sensitive double-sided adhesive tape for fixing abrasive |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875950A (en) * | 2015-06-01 | 2015-09-02 | 黄山永新股份有限公司 | Covering membrane and preparation method thereof |
| CN105153955A (en) * | 2015-09-10 | 2015-12-16 | 上海晶华胶粘新材料股份有限公司 | Photovoltaic module bonding adhesive product and preparation technique thereof |
| CN106018091A (en) * | 2016-06-29 | 2016-10-12 | 苏州市明大高分子科技材料有限公司 | Method for testing tensile property of material with low elasticity modulus and high surface adhesive capacity |
| CN107245307A (en) * | 2017-07-20 | 2017-10-13 | 信利半导体有限公司 | Waterproof foam structure for electronic equipment |
| CN112538319A (en) * | 2020-12-14 | 2021-03-23 | 江苏晶华新材料科技有限公司 | Pearl cotton adhesive tape and preparation process thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 201600 Shanghai city Songjiang District street Yongfeng River Road No. 89 Applicant after: SHANGHAI SMITH ADHESIVE NEW MATERIAL CO., LTD. Address before: 201600 Shanghai city Songjiang District street Yongfeng River Road No. 89 Applicant before: Shanghai Smith Adhesive Tape Development Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SHANGHAI SMITH ADHESIVE TAPE DEVELOPMENT CO., LTD. TO: SHANGHAI JINGHUA ADHESIVE NEW MATERIALS CO., LTD. |
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| C12 | Rejection of a patent application after its publication | ||
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Application publication date: 20140402 |