CN1355265A - Adhesive tape and its preparing process - Google Patents
Adhesive tape and its preparing process Download PDFInfo
- Publication number
- CN1355265A CN1355265A CN 00133269 CN00133269A CN1355265A CN 1355265 A CN1355265 A CN 1355265A CN 00133269 CN00133269 CN 00133269 CN 00133269 A CN00133269 A CN 00133269A CN 1355265 A CN1355265 A CN 1355265A
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- China
- Prior art keywords
- sealing tape
- kraft paper
- agent
- binding agent
- coated
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Paper (AREA)
- Adhesive Tapes (AREA)
Abstract
An adhesive belt for package is prepared through coating adhesive and anti-sticking agent on both surface of kraft paper respectively. The said adhesive is prepared from polyvinyl methylether (50-70 wt. portions), polyvinyl ether (52-75) and polyurethane (1-5) as cross-linking agent. The anti-sticking agent contains polyvinyl alcohol as impervious agent and organosilicon is isolating agent. Its advantages include easy recovery and no environmental pollution.
Description
The present invention relates to a kind of sealing tape and preparation method thereof, is sealing tape of using of the packing of product and preparation method thereof specifically.
At present, the packing of product sticks with glue band and mainly contains two kinds.A kind of is three-decker, promptly pastes layer of plastic film on the two sides of one deck kraft paper respectively and makes with coating one layer binder.Though use this sealing tape also can pack,, can't recycle with Packaging Box because layer of plastic film that paste at its back side and positive binding agent all can not be peeled away from kraft paper to product.Therefore, it can only be stripped down from carton during recovery, adopt the burning or the approach that abandons to handle.So, can pollute environment.Another kind is the environment-friendly type sealing tape, and this sealing tape is a double-layer structure, and it is coating one layer binder and making on kraft paper.This sealing tape put on market in Japan (its product code name: NE0101R.P), do not use any plastics class material in its kraft paper-based band, its binding agent be can be in weak alkaline aqueous solution the free macromolecular material.Therefore, its kraft paper can be changed slurry and reclaim, and can not pollute environment.But because the binding agent on this sealing tape is a macromolecular material, when it being changed slurry and reclaim, even after in water, asking that (three hours) soak when long, can not separate with kraft paper automatically.Therefore, must after soak long-time (three hours), could binding agent be taken off from kraft paper, could realize recovery kraft paper with hand.Recovery is got up cumbersome, and organic efficiency is not high.
The object of the present invention is to provide a kind of sealing tape.This sealing tape easily reclaims, organic efficiency height, free from environmental pollution.
Another object of the present invention is to provide a kind of preparation method of sealing tape.
For achieving the above object, the present invention adopts following technical solution:
Sealing tape of the present invention comprises one deck kraft paper, and the two sides of this kraft paper scribbles binding agent and release agent respectively, is characterized in that said binding agent is to be made by following raw materials in weight portion:
50～70 parts of polyvinyl methyl ethers, 52～75 parts of polyvinyl ethyl ethers, 1～5 part of linking agent.
Wherein: said linking agent is a polyurethane(s); Said release agent comprises sealant and separant, and sealant is a polyvinyl alcohol, and separant is an organosilicon.
The preparation method of sealing tape of the present invention may further comprise the steps:
Earlier polyvinyl methyl ether, polyvinyl ethyl ether and linking agent are put into container, evenly stirred at normal temperatures and pressures 40～70 minutes, allow its reaction, make binding agent, stand-by;
Meanwhile, release agent is coated in equably the one side of kraft paper; In coating, be that 110～130 ℃ drying tunnel carries out drying treatment to it with temperature; Then, place 20～30 hours at normal temperatures;
Afterwards, binding agent is coated in the another side of kraft paper.In coating, be that 70～90 ℃ drying tunnel carries out drying treatment to it with temperature;
At last, through rolling, cut, make sealing tape.
Because molecule and low molecular material polyvingl ether formed through the normal temperature and pressure reaction during the binding agent on the sealing tape of the present invention adopted, make its in weak base aqueous solution without peel manually from separating automatically with kraft paper.Through test, to produce a slice daily sealing tape and a slice sealing tape of the present invention and put into two containers that weak base aqueous solution is housed respectively and observe, the binding agent after 20 minutes on the sealing tape of the present invention is promptly separated automatically with kraft paper.And the daily output sealing tape soaks after 180 minutes with the binding agent of hand ability on it and opens from kraft paper.Evidence, sealing tape of the present invention are not only easily reclaimed, the organic efficiency height.And do not pollute the environment.
Below in conjunction with embodiment the present invention is described in further detail:
First embodiment of the present invention
51 parts polyvinyl methyl ethers, 65 parts polyvinyl ethyl ether and 5 parts linking agent are put into reactor, evenly stirred at normal temperatures and pressures 42 minutes, allow its reaction, make binding agent, stand-by.Linking agent wherein is any one in the polyurethanes.
Meanwhile, on coating machine, sealant evenly is coated in the one side of kraft paper.Make its coating machine drying tunnel through 119 ℃ while being coated with, carry out drying treatment.Subsequently, coat separant in the one side that was coated with sealant again, make its coating machine drying tunnel through 119 ℃ while being coated with, carry out drying treatment.Make the one side of kraft paper form one deck release agent.Then, place 22 hours at normal temperatures.Sealant wherein is a polyvinyl alcohol, and separant is an organosilicon.
Afterwards, on coating machine, binding agent evenly is coated in the another side of kraft paper.Making it is 89 ℃ coating machine drying tunnel while applying through excess temperature, and it is carried out drying treatment.
At last, through rolling, cut, make sealing tape of the present invention.
An alternative embodiment of the invention
68 parts polyvinyl methyl ethers, 52 parts polyvinyl ethyl ether and 1 part linking agent are put into reactor, evenly stirred at normal temperatures and pressures 55 minutes, allow its reaction, make binding agent, stand-by.Linking agent wherein is any one in the polyurethanes.
Meanwhile, on coating machine, sealant evenly is coated in the one side of kraft paper.Make its coating machine drying tunnel through 129 ℃ while being coated with, carry out drying treatment.Subsequently, coat separant in the one side that was coated with sealant again, make its coating machine drying tunnel through 129 ℃ while being coated with, carry out drying treatment.Make the one side of kraft paper form one deck release agent.Then, place 26 hours at normal temperatures.Sealant wherein is a polyvinyl alcohol, and separant is an organosilicon.
Afterwards, on coating machine, binding agent evenly is coated in the another side of kraft paper.Making it is 72 ℃ coating machine drying tunnel while applying through excess temperature, and it is carried out drying treatment.
At last, through rolling, cut, make sealing tape of the present invention.
The 3rd embodiment of the present invention
58 parts polyvinyl methyl ethers, 75 parts polyvinyl ethyl ether and 3 parts linking agent are put into reactor, evenly stirred at normal temperatures and pressures 69 minutes, allow its reaction, make binding agent, stand-by.Linking agent wherein is any one in the polyurethanes.
Meanwhile, on coating machine, sealant evenly is coated in the one side of kraft paper.Make its coating machine drying tunnel through 109 ℃ while being coated with, carry out drying treatment.Subsequently, coat separant in the one side that was coated with sealant again, make its coating machine drying tunnel through 109 ℃ while being coated with, be carried out at dry processing.Make the one side of kraft paper form one deck release agent.Then, place 30 hours at normal temperatures.Sealant wherein is a polyvinyl alcohol, and separant is an organosilicon.
Afterwards, on coating machine, binding agent evenly is coated in the another side of kraft paper.Making it is 80 ℃ coating machine drying tunnel while applying through excess temperature, and it is carried out drying treatment.
At last, through rolling, cut, make sealing tape of the present invention.
Raw material consumption in the foregoing description is weight part.
Claims (6)
1. a sealing tape comprises one deck kraft paper, and the two sides of this kraft paper scribbles binding agent and release agent respectively, it is characterized in that said binding agent is to be made by following raw materials in weight portion:
50～70 parts of polyvinyl methyl ethers, 52～75 parts of polyvinyl ethyl ethers, 1～5 part of linking agent.
2. sealing tape according to claim 1 is characterized in that said linking agent is a polyurethane(s).
3. sealing tape according to claim 1 and 2 is characterized in that said release agent comprises sealant and separant.
4. sealing tape according to claim 3 is characterized in that said sealant is a polyvinyl alcohol.
5. sealing tape according to claim 3 is characterized in that said separant is an organosilicon.
6. the preparation method of a sealing tape is characterized in that may further comprise the steps:
Earlier polyvinyl methyl ether, polyvinyl ethyl ether and linking agent are put into container, evenly stirred at normal temperatures and pressures 40～70 minutes, allow its reaction, make binding agent, stand-by;
Meanwhile, release agent is coated in equably the one side of kraft paper; In coating, be that 110～130 ℃ drying tunnel carries out drying treatment to it with temperature; Then, place 20～30 hours at normal temperatures;
Afterwards, binding agent is coated in the another side of kraft paper; In coating, be that 70～90 ℃ drying tunnel carries out drying treatment to it with temperature;
At last, through rolling, cut, make sealing tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00133269 CN1355265A (en) | 2000-11-25 | 2000-11-25 | Adhesive tape and its preparing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00133269 CN1355265A (en) | 2000-11-25 | 2000-11-25 | Adhesive tape and its preparing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1355265A true CN1355265A (en) | 2002-06-26 |
Family
ID=4595609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00133269 Pending CN1355265A (en) | 2000-11-25 | 2000-11-25 | Adhesive tape and its preparing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1355265A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981528B (en) * | 2013-02-01 | 2017-03-29 | 3M创新有限公司 | Contact adhesive composition and the adhesive article comprising the contact adhesive composition |
| CN108806481A (en) * | 2017-05-05 | 2018-11-13 | 竹林伟业科技发展（天津）股份有限公司 | Bottomless paper label of printed form and preparation method thereof and system |
-
2000
- 2000-11-25 CN CN 00133269 patent/CN1355265A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981528B (en) * | 2013-02-01 | 2017-03-29 | 3M创新有限公司 | Contact adhesive composition and the adhesive article comprising the contact adhesive composition |
| US9926474B2 (en) | 2013-02-01 | 2018-03-27 | 3M Innovative Properties Company | Pressure-sensitive adhesive compositions and adhesive articles including the same |
| CN108806481A (en) * | 2017-05-05 | 2018-11-13 | 竹林伟业科技发展（天津）股份有限公司 | Bottomless paper label of printed form and preparation method thereof and system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |