CN105111974A - Preparation method of environment-friendly cigarette adhesive - Google Patents
Preparation method of environment-friendly cigarette adhesive Download PDFInfo
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- CN105111974A CN105111974A CN201510565662.8A CN201510565662A CN105111974A CN 105111974 A CN105111974 A CN 105111974A CN 201510565662 A CN201510565662 A CN 201510565662A CN 105111974 A CN105111974 A CN 105111974A
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Abstract
The invention discloses a preparation method of an environment-friendly cigarette adhesive. The preparation method comprises the following steps: mixing water, a pH buffer agent, polyvinyl alcohol and an emulsifying agent, heating the mixture to 88-92 DEG C until polyvinyl alcohol is completely dissolved, and cooling to 58-62 DEG C; adding one tenth of vinyl monomer mixture and one half of a plasticizer, mixing, heating the mixture to 73-77 DEG C, adding an initiator equal to one third of the initiator after 0.5-1.0 hour, and preserving the temperature for reaction; dropwise adding the remnant vinyl monomer mixture within 4-6 hours after an emulsion emits blue ray, replenishing one third of the initiator when one half of the vinyl monomer mixture is dropwise added, adding the remnant initiator after the vinyl monomer mixture is dropwise added, heating to 88-92 DEG C, and further reacting for 30-60 minutes; continuously stirring to naturally cool to 60-70 DEG C, adding the remnant plasticizer, uniformly mixing, and carrying out vacuumizing for 10-20 minutes; cooling to the room temperature, so as to obtain a component I; mixing the component I with ethylene-vinyl acetate polymers, so as to obtain the environment-friendly cigarette adhesive.
Description
Technical field
The invention belongs to field of fine chemical, be specifically related to a kind of environment-friendly type cigarette glue and preparation method thereof.
Background technology
Need a certain amount of binding agent-cigarette glue used in production of cigarettes, cigarette glue comprises overlapping glue, connects mouth glue, packs glue, and cigarette glue plays a part important in cigarette quality control.Along with the raising of environmental requirement, GB is more and more stricter to the requirement of the harmful substance contents in cigarette glue, and exploitation high speed cohesiveness environment-friendly cigarette glue product has become the new demand of cigarette industry.
Current, cigarette glue is main body mainly with vinyl-vinyl acetate copolymer greatly, cohesive force is strengthened by adding polyvinyl alcohol, add phthalic ester plasticizer to improve liquidity, but the health of phthalic ester plasticizer to human body has harm, is in use subject to strict restriction, in addition, remain containing a certain amount of vinyl acetate monomer in vinyl-vinyl acetate copolymer, more and more do not meet the environmental requirement of cigarette glue.
Patent CN102181243A describes a kind of preparation method of cigarette glue, with vinyl-acetic ester, butyl acrylate, vinylformic acid termonomer, under the effect of ammonium persulfate-sodium bisulfite composite initiator, synthesis of ternary copolymer emulsion, finally adds softening agent and vacuumizes.This product can be used as and connects the use of mouth glue, and wherein vinyl acetate monomer residual quantity is comparatively large, and containing fluidizer, mouthfeel is not good.
Patent CN102031075B describes a kind of preparation method of environmental protection and energy saving cigarette glue, the method is based on the vinyl-vinyl acetate copolymer of Multiple Type, additional a certain amount of defoamer, softening agent, be deployed into the cigarette glue of various performance requriements by the kind technical requirements of required glue.Because the price of vinyl-vinyl acetate copolymer is compared with white glue with vinyl price, price is more expensive, and thus the cigarette glue cost prepared of the method is higher.
Aqueous polyvinyl acetate emulsion (white glue with vinyl) is the thermoplastic polymer that odorless is nontoxic, has good bonding, the not easily performance such as aging, has wide market in timber, the bonding field of paper.The difficult point that current aqueous polyvinyl acetate emulsion is applied to cigarette glue field mainly contains: one, the use of phthalic ester plasticizer is subject to strict restriction; Two, due to the singularity of vinyl acetate emulsion polymerization, easily occur that gelatin phenomenon, package stability are not good enough and monomer residue is higher when synthesizing.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of environment-friendly type cigarette glue emulsion, its emulsion solid content is high, viscosity is also low simultaneously, is applicable to High Speed Cigarette Adhesives field.
A preparation method for environment-friendly type cigarette glue, comprises the following steps:
Water, pH buffer reagent, polyvinyl alcohol, emulsifying agent mixing are warming up to 88-92 DEG C, all dissolve to polyvinyl alcohol and be cooled to 58-62 DEG C;
Add 1/10 of vinyl monomer amount of the mixture and 1/2 of softening agent total amount mix and be warming up to 73-77 DEG C, add 1/3 initiator insulation reaction after 0.5-1.0h;
Occur that dripping residue vinyl monomer mixture 4-6h after blue light drips off until emulsion, vinyl monomer mixture drops to a half, adds 1/3 initiator, adds remaining initiator after dripping off, and is then warming up to 88-92 DEG C and continues reaction 30-60 minute;
Continuous stirring naturally cools to 60-70 DEG C, adds the mixing of residue softening agent, vacuumizes 10-20min; Be cooled to room temperature and obtain components I;
Described components I is mixed with compositionⅱ vinyl-vinyl acetate copolymer and namely obtains environment-friendly type cigarette glue;
Wherein, raw materials used meter is by weight as follows:
PH buffer reagent 1-2
Polyvinyl alcohol 5-10
Emulsifying agent 0.6-1.2
Vinyl monomer mixture 100
Softening agent 1-1.5
Initiator 0.3-0.9
Water 100-110.
By such scheme, described components I and compositionⅱ 1:(0.2-10 in mass ratio).
By such scheme, described vinyl monomer mixture is made up of main monomer and function monomer; Main monomer consumption accounts for the 70wt%-90wt% of monomer mixture; Main monomer is vinyl acetate, and function monomer is a kind of in butyl acrylate, vinylformic acid, Isooctyl acrylate monomer or mixes arbitrarily.
By such scheme, described emulsifying agent is the one in polyoxyethylene nonylphenol ether, polyoxyethylene octylphenol ether.
By such scheme, described polyvinyl alcohol is the one in PVA-1788, PVA-1799.
By such scheme, described buffer reagent is the one in sodium bicarbonate, Sodium phosphate dibasic or sodium-acetate.
By such scheme, described softening agent is the one in tributyl citrate, trioctyl lemon acid, tributyl acetylcitrate, ATOC.
By such scheme, described initiator is the one in Potassium Persulphate, Sodium Persulfate or ammonium persulphate.
By such scheme, described vinyl-vinyl acetate copolymer is the one or both mixture in VAE705, VAE707.
The present invention has following advantage and effect relative to prior art:
The present invention improves the adhesiveproperties of white glue with vinyl by the method for molecular designing, under the prerequisite not affecting cigarette glue fundamental property, improves the content of modified latex components I, reduces smoked sheet cost.
The environment-friendly type cigarette glue solid content 52 ± 1.5%, pH value 4.0-6.5 that the inventive method prepares, monomer residue is less than 0.1%, and minimum film-forming temperature is less than 15 DEG C.
Embodiment
Following examples explain technical scheme of the present invention further, but not as limiting the scope of the invention.
Embodiment 1
A kind of environment-friendly type cigarette glue emulsion by components I and compositionⅱ in proportion 5:1 be mixed with and obtain, components I is that raw material obtains with semi-continuous emulsion polymerizing by monomer mixture, emulsifying agent, protective colloid, buffer reagent, softening agent and initiator; Compositionⅱ is commercially available vinyl-vinyl acetate copolymer (VAE705);
Wherein, each parts by weight of raw materials of components I (in monomer mixture quality 100):
Monomer mixture 100 (wherein vinyl-acetic ester consumption accounts for 70% of monomer mixture)
Polyvinyl alcohol 5
Softening agent 1
Emulsifying agent 0.6
Buffer reagent 1.0
Initiator 0.3
Water 100,
The manufacture craft of described components I is as follows:
In there-necked flask, add water, buffer reagent, polyvinyl alcohol and emulsifying agent, under constantly stirring, be warming up to 88 DEG C, keep this temperature all to dissolve to polyvinyl alcohol, be cooled to 60 DEG C; In there-necked flask, add 1/10 of monomer mixture total amount and 1/2 of softening agent total amount, stir evenly; Reactor is warming up to 75 DEG C, stir 0.5 hour, and then add 1/3 initiator, occur after blue light until emulsion, start to drip residual monomer mixture, temperature remains on 75 DEG C, monomer mixture drops to a half, add 1/3 initiator, monomer mixture 4 drips off, and adds remaining initiator after dripping off, be warming up to 90 DEG C, continue reaction 30 minutes; Continuous stirring is cooled to 60 DEG C, adds residue softening agent, vacuumizes 15 minutes after stirring evenly; Be cooled to room temperature and obtain components I.
Embodiment 2
A kind of environment-friendly type cigarette glue emulsion by components I and compositionⅱ in proportion 1:6 be mixed with and obtain, components I is that raw material obtains with semi-continuous emulsion polymerizing by monomer mixture, emulsifying agent, protective colloid, buffer reagent, softening agent and initiator; Compositionⅱ is commercially available vinyl-vinyl acetate copolymer (VAE705);
Wherein, each parts by weight of raw materials of components I (in monomer mixture quality 100):
Monomer mixture 100 (wherein vinyl-acetic ester consumption accounts for 80% of monomer mixture)
Polyvinyl alcohol 8
Softening agent 4
Emulsifying agent 0.8
Buffer reagent 1.5
Initiator 0.6
Water 100,
The manufacture craft of described components I is as follows:
In there-necked flask, add water, buffer reagent, polyvinyl alcohol and emulsifying agent, under constantly stirring, be warming up to 90 DEG C, keep this temperature all to dissolve to polyvinyl alcohol, be cooled to 60 DEG C; In there-necked flask, add 1/10 of monomer mixture total amount and 1/2 of softening agent total amount, stir evenly; Reactor is warming up to 75 DEG C, stir 1.0 hours, and then add 1/3 initiator, occur after blue light until emulsion, start to drip residual monomer mixture, temperature remains on 75 DEG C, monomer mixture drops to a half, add 1/3 initiator, monomer mixture 5h drips off, and adds remaining initiator after dripping off, be warming up to 90 DEG C, continue reaction 45 minutes; Continuous stirring is cooled to 65 DEG C, adds residue softening agent, vacuumizes 15 minutes after stirring evenly; Be cooled to room temperature and obtain components I.
Embodiment 3
A kind of environment-friendly type cigarette glue emulsion by components I and compositionⅱ in proportion 1:10 be mixed with and obtain, components I is that raw material obtains with semi-continuous emulsion polymerizing by monomer mixture, emulsifying agent, protective colloid, buffer reagent, softening agent and initiator; Compositionⅱ is commercially available vinyl-vinyl acetate copolymer (VAE705);
Wherein, each parts by weight of raw materials of components I (in monomer mixture quality 100):
Monomer mixture 100 (wherein vinyl-acetic ester consumption accounts for 90% of monomer mixture)
Polyvinyl alcohol 10
Softening agent 5
Emulsifying agent 1.2
Buffer reagent 2.0
Initiator 0.9
Water 110,
The manufacture craft of described components I is as follows:
In there-necked flask, add water, buffer reagent, polyvinyl alcohol and emulsifying agent, under constantly stirring, be warming up to 92 DEG C, keep this temperature all to dissolve to polyvinyl alcohol, be cooled to 60 DEG C; In there-necked flask, add 1/10 of monomer mixture total amount and 1/2 of softening agent total amount, stir evenly; Reactor is warming up to 75 DEG C, stir 1.0 hours, and then add 1/3 initiator, occur after blue light until emulsion, start to drip residual monomer mixture, temperature remains on 75 DEG C, monomer mixture drops to a half, add 1/3 initiator, monomer mixture 6h drips off, and adds remaining initiator after dripping off, be warming up to 90 DEG C, continue reaction 60 minutes; Continuous stirring is cooled to 70 DEG C, adds residue softening agent, vacuumizes 15 minutes after stirring evenly; Be cooled to room temperature and obtain components I.
The fundamental property of the cigarette glue that embodiment 1-3 prepares is as shown in table 1.
According to GB/T11175-2002 standard, consumed the amount of residual monomer in the gauge calculation sample of bromine by sample.
According to GB/T11175-2002 standard, minimum film-forming temperature instrument is adopted to measure the lowest temperature value of emulsion formation continuous film.
Table 1
| Embodiment | Emulsion appearance | Solid content | pH | Minimum film-forming temperature | Monomer residue |
| Embodiment 1 | Milky white | 51.2 | 4.0-6.5 | 7℃ | ＜0.1％ |
| Embodiment 2 | Milky white | 52.3 | 4.0-6.5 | 5℃ | ＜0.1％ |
| Embodiment 3 | Milky white | 52.1 | 4.0-6.5 | 2℃ | ＜0.1％ |
Learnt by table 1, emulsion prepared by the present invention: emulsion is fine and smooth, and monomer residue is low, and tack is good, rate of drying is fast, meets four standards of cigarette glue, is applicable to high-speed cigarette machine.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from spirit of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. a preparation method for environment-friendly type cigarette glue, is characterized in that comprising the following steps:
Water, pH buffer reagent, polyvinyl alcohol, emulsifying agent mixing are warming up to 88-92 DEG C, all dissolve to polyvinyl alcohol and be cooled to 58-62 DEG C;
Add 1/10 of vinyl monomer amount of the mixture and 1/2 of softening agent total amount mix and be warming up to 73-77 DEG C, add 1/3 initiator insulation reaction after 0.5-1.0h;
Occur that dripping residue vinyl monomer mixture 4-6h after blue light drips off until emulsion, vinyl monomer mixture drops to a half, adds 1/3 initiator, adds remaining initiator after dripping off, and is then warming up to 88-92 DEG C and continues reaction 30-60 minute;
Continuous stirring naturally cools to 60-70 DEG C, adds the mixing of residue softening agent, vacuumizes 10-20min; Be cooled to room temperature and obtain components I;
Described components I is mixed with compositionⅱ vinyl-vinyl acetate copolymer and namely obtains environment-friendly type cigarette glue;
Wherein, raw materials used meter is by weight as follows:
PH buffer reagent 1-2
Polyvinyl alcohol 5-10
Emulsifying agent 0.6-1.2
Vinyl monomer mixture 100
Softening agent 1-1.5
Initiator 0.3-0.9
Water 100-110.
2. the preparation method of environment-friendly type cigarette glue as claimed in claim 1, is characterized in that described components I and compositionⅱ 1:(0.2-10 in mass ratio).
3. the preparation method of environment-friendly type cigarette glue as claimed in claim 1, is characterized in that described vinyl monomer mixture is made up of main monomer and function monomer; Main monomer consumption accounts for the 70wt%-90wt% of monomer mixture; Main monomer is vinyl acetate, and function monomer is a kind of in butyl acrylate, vinylformic acid, Isooctyl acrylate monomer or mixes arbitrarily.
4. the preparation method of environment-friendly type cigarette glue as claimed in claim 1, is characterized in that described emulsifying agent is the one in polyoxyethylene nonylphenol ether, polyoxyethylene octylphenol ether.
5. the preparation method of environment-friendly type cigarette glue as claimed in claim 1, is characterized in that described polyvinyl alcohol is the one in PVA-1788, PVA-1799.
6. the preparation method of environment-friendly type cigarette glue as claimed in claim 1, is characterized in that described pH buffer reagent is the one in sodium bicarbonate, Sodium phosphate dibasic or sodium-acetate.
7. the preparation method of environment-friendly type cigarette glue as claimed in claim 1, is characterized in that described softening agent is the one in tributyl citrate, trioctyl lemon acid, tributyl acetylcitrate, ATOC.
8. the preparation method of environment-friendly type cigarette glue as claimed in claim 1, is characterized in that described initiator is the one in Potassium Persulphate, Sodium Persulfate or ammonium persulphate.
9. the preparation method of environment-friendly type cigarette glue as claimed in claim 1, is characterized in that described vinyl-vinyl acetate copolymer is the one or both mixture in VAE705, VAE707.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565662.8A CN105111974A (en) | 2015-09-08 | 2015-09-08 | Preparation method of environment-friendly cigarette adhesive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510565662.8A CN105111974A (en) | 2015-09-08 | 2015-09-08 | Preparation method of environment-friendly cigarette adhesive |
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| CN105111974A true CN105111974A (en) | 2015-12-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623562A (en) * | 2016-03-24 | 2016-06-01 | 佛山市三水永恒达粘合剂有限公司 | Special mosaic adhesive and preparation method therefor |
| CN110872478A (en) * | 2018-08-31 | 2020-03-10 | 中国石油化工股份有限公司 | Low-viscosity high-speed cigarette adhesive and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265398A (en) * | 2008-04-28 | 2008-09-17 | 赵学开 | Environment-friendly type white emulsion glue |
| CN103045136A (en) * | 2012-12-26 | 2013-04-17 | 海南必凯水性涂料有限公司 | Environment-friendly high-speed cigarette holder glue for cigarettes and preparation method thereof |
| CN103045125A (en) * | 2012-12-26 | 2013-04-17 | 海南必凯水性涂料有限公司 | Environment-friendly mouth-stick molding plastic and preparation method thereof |
| US20140171574A1 (en) * | 2011-08-05 | 2014-06-19 | Celanese Emulsions Gmbh | Low formaldehyde vinyl ester/ethylene copolymer dispersions for use in adhesives |
-
2015
- 2015-09-08 CN CN201510565662.8A patent/CN105111974A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265398A (en) * | 2008-04-28 | 2008-09-17 | 赵学开 | Environment-friendly type white emulsion glue |
| US20140171574A1 (en) * | 2011-08-05 | 2014-06-19 | Celanese Emulsions Gmbh | Low formaldehyde vinyl ester/ethylene copolymer dispersions for use in adhesives |
| CN103045136A (en) * | 2012-12-26 | 2013-04-17 | 海南必凯水性涂料有限公司 | Environment-friendly high-speed cigarette holder glue for cigarettes and preparation method thereof |
| CN103045125A (en) * | 2012-12-26 | 2013-04-17 | 海南必凯水性涂料有限公司 | Environment-friendly mouth-stick molding plastic and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623562A (en) * | 2016-03-24 | 2016-06-01 | 佛山市三水永恒达粘合剂有限公司 | Special mosaic adhesive and preparation method therefor |
| CN110872478A (en) * | 2018-08-31 | 2020-03-10 | 中国石油化工股份有限公司 | Low-viscosity high-speed cigarette adhesive and preparation method thereof |
| CN110872478B (en) * | 2018-08-31 | 2021-08-27 | 中国石油化工股份有限公司 | Low-viscosity high-speed cigarette adhesive and preparation method thereof |
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Application publication date: 20151202 |
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