CN102899001B - A kind of preparation method of water-soluble non-setting adhesive - Google Patents
A kind of preparation method of water-soluble non-setting adhesive Download PDFInfo
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- CN102899001B CN102899001B CN201210385279.0A CN201210385279A CN102899001B CN 102899001 B CN102899001 B CN 102899001B CN 201210385279 A CN201210385279 A CN 201210385279A CN 102899001 B CN102899001 B CN 102899001B
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Abstract
The present invention relates to a kind of preparation method of water-soluble non-setting adhesive, it is swelling that its step is that gelatin is placed in container water normal temperature, add and add materials, and mixture is heated up, stir, make gelatin and add materials completely to dissolve in water, then add Polyvinylpyrolidone (PVP), continue to stir, dissolve completely to Polyvinylpyrolidone (PVP); The good container of finally sealed, keeps temperature in container, and open vacuum dewatering plant and dewater, cooling, discharging, sealed package saves backup.This water-soluble non-setting adhesive is applicable to papery, the trade mark of paper-plastic stick isopolarity material surface and the applying glue of label and stickup, has the characteristic of general non-setting adhesive, can repeat to peel off and paste.Non-setting adhesive prepared by the present invention can dissolve rapidly and completely in water, leaves any stains can not to adherend product.
Description
Technical field
The present invention relates to and be adapted to papery or paper-plastic stick trade mark and label non-setting adhesive, be specifically related to a kind of preparation method of water-soluble non-setting adhesive.
Background technology
Growing along with commodity packaging, consumption and the specification of quality of trade mark and label non-setting adhesive are more and more higher, modal non-setting adhesive is generally the emulsion of aqueous acrylic modified class, to be coated in commodity or label substrate then drying to form, this non-setting adhesive has the advantage that initial bonding strength is high and hold tack is good, so be widely used in commodity, label and non-setting adhesive sealing tape etc. always.But this kind of non-setting adhesive has a fatal shortcoming to be exactly the article be stuck, after pasting for a long time, pole is not easy to strip off, even also be not easy washing with washing composition to clean, so make the article be stuck be easy to leave dirt, thus affect the outward appearance of commodity and attractive in appearance.Also some more senior non-setting adhesive is as hot-melt non-setting adhesive, and use properties is also very excellent, but the costliness that price is also abnormal, so in the packaging that only can be used in some top grades and high-end product.
Summary of the invention
The object of the invention is to be to overcome existing trade mark or label non-setting adhesive used be not easy after a procedure to peel off and clean clean defect and develop a kind of have completely can be water-soluble non-setting adhesive.Non-setting adhesive prepared by the present invention not only has the characteristic of general non-setting adhesive, and because it can be completely water-soluble after using, institute and be easy to clean clean, and leaves any stains to adherend product.
The present invention is achieved by the following technical solutions:
A preparation method for water-soluble non-setting adhesive, it comprises the following steps:
(1) gelatin is placed in container water normal temperature swelling, then softening agent, solubilizing agent, surface wettability agent and sanitas is added by formula metering, and mixture is heated up, stir, make gelatin and add materials to dissolve in water completely, add Polyvinylpyrolidone (PVP) again, continue to stir, dissolve completely to Polyvinylpyrolidone (PVP); The parts by weight of each material are:
Gelatin
50-70
Polyvinylpyrolidone (PVP) 3-10
Softening agent
15-35
Solubilizing agent 10-30
Surface wettability agent 0.3 – 1.0
Sanitas 0.1-0.3;
(2) good seal step (1) described container, keeps temperature in container, and open vacuum dewatering plant and dewater, cooling, discharging, sealed package saves backup.
Further optimization, the molecular weight of step (1) described gelatin is greater than 80,000, and it freezes power>=400Bloomg(
test condition: 12.5% solid content; Probe temperature: 10 DEG C).viscosity>=15E(
test condition: 15% solid content, probe temperature: 40 ° of C).
Further optimization, step (1) described container is the container with vacuum hydro-extraction and whipping appts; The weight of described water is 5 ~ 10 times of gelatin weight; The described swelling time is 1-3 hours.
Further optimization, described softening agent is water-soluble polyhydroxyl material; Described solubilizing agent is water miscible amide substance; Described surface wettability agent refers to the nonionic surface active agent of hydrophile-lipophile balance value in 7-9 intervals; Described sanitas is
nontoxicsanitas.
Further optimization, described softening agent is more than one in glycerol, ethylene glycol, polyglycol ether, TriMethylolPropane(TMP), is technical grade; Described solubilizing agent is more than one in hexanolactam, methane amide, ethanamide, carboxamide; Described surface wettability agent is more than one in polyoxyethylene dioleate, TEG monoleate, polyoxypropylene stearate, anhydrous sorbitol laurate, polyoxyethylene oxypropylene oleic acid ester, polyoxypropylene N.F,USP MANNITOL dioleate, polyoxyethylene (5EO) wool alcohol ether, polyoxyethylene fatty acid; Described sanitas is
benzenemore than one in formic acid, Sodium Benzoate, Sorbic Acid, sodium sorbate.
Further optimization, step (1) described intensification is for being warming up to 60 ~ 75 DEG C.
Further optimization, in step (2) described container, temperature is 70 ~ 75 DEG C.
Further optimization, step (2) described dehydration makes non-setting adhesive vacuum hydro-extraction rate in container reach more than 98%.
Further optimization, be cooled to described in step (2) and be cooled to
20 – 35 DEG C.
The preparation method of above-mentioned a kind of water-soluble non-setting adhesive, step (1) the described time of continuing to stir is 15 ~ 30 minutes.
In above-mentioned preparation method, Polyvinylpyrolidone (PVP) adds as the properties-correcting agent of non-setting adhesive, and its effect is the force of cohesion increasing non-setting adhesive, to improve the first sticky and hold tack of non-setting adhesive.The Polyvinylpyrolidone (PVP) used in the present invention is technical grade.Described softening agent can be that one is used alone, and also can be two kinds of compound uses.Preferably use water miscible liquid polyol.Described solubilizing agent is water miscible amide substance, as hexanolactam, methane amide, ethanamide, carboxamide etc.Can be that one is used alone, also can be two kinds of compound uses.
The present invention compared with prior art has the following advantages: prepared by the present invention is the non-setting adhesive that a kind of environmental protection completely can be water-soluble, it is characterized in that: the characteristic 1, with general non-setting adhesive, peels off and paste as repeated; 2, just sticky and hold tack all can meet the stickup of commodity and label; 3, resistance to low temperature is excellent, and less than-10 DEG C still keep higher stripping strength; 4, this non-setting adhesive can dissolve completely rapidly in water, so leave any stains can not to adherend product.5, raw material more than 80% fully biodegradable in non-setting adhesive, belongs to Green Product.6, raw material sources is rich and easy to get.
Water-soluble non-setting adhesive prepared by the present invention is applicable to papery, the trade mark of paper-plastic stick isopolarity material surface and the applying glue of label and stickup.
Embodiment
Below in conjunction with example, specific embodiment of the invention is described further, but enforcement of the present invention and protection domain are not limited thereto.
Embodiment 1
Gelatin 50Kg
Polyvinylpyrolidone (PVP) 3Kg
Glycerol 30Kg
Methane amide 3Kg
Carboxamide 13.4Kg
Anhydrous sorbitol laurate 0.5Kg
Sodium Benzoate 0.1Kg
Above after each component metering, in the container with vacuum hydro-extraction and whipping appts, use 300Kg water swelling for gelatin normal temperature in water 1 hour; Then add glycerol, methane amide, carboxamide, anhydrous sorbitol laurate and Sodium Benzoate by formula metering, and make mixture be warming up to 60 DEG C; Now gelatin starts to be melted in water, starts and stirs, and is stirred to gelatin and adds materials and dissolve in water completely; Add Polyvinylpyrolidone (PVP), continue to stir, dissolve completely to Polyvinylpyrolidone (PVP); Good seal container, keeps temperature 75 DEG C in container, opens vacuum dewatering plant and dewaters; To container, the vacuum hydro-extraction rate of mixture reaches more than 98%, and stopping dewaters and be cooled to about 35 DEG C carries out discharging, and sealed package saves backup.
The non-setting adhesive of above-mentioned preparation, at 120g/m
2paper on evenly after applying glue, detect after lower 24 hours in 23 DEG C/60%RH condition, stripping strength is that 281N/m(is by GB2792 – 81 standard testing).
Embodiment 2
Gelatin 55Kg
Polyvinylpyrolidone (PVP) 5Kg
Glycerol 15Kg
Ethylene glycol 10Kg
Carboxamide 14.6Kg
Polyoxypropylene stearate 0.3Kg
Sodium sorbate 0.1Kg
Above after each component metering, in the container with vacuum hydro-extraction and whipping appts, use 400Kg water swelling for gelatin normal temperature in water 2 hours; Then add glycerol, ethylene glycol, carboxamide, polyoxypropylene stearate and sodium sorbate by formula metering, and make mixture be warming up to 70 DEG C; Now gelatin starts to be melted in water, starts and stirs, and is stirred to gelatin and adds materials and dissolve in water completely; Add Polyvinylpyrolidone (PVP), continue to stir, dissolve completely to Polyvinylpyrolidone (PVP); Good seal container, keeps temperature 70 C in container, opens vacuum dewatering plant and dewaters; To container, the vacuum hydro-extraction rate of mixture reaches more than 98%, stops dewatering and being cooled to
30 DEG Cdischarging is carried out in left and right, and sealed package saves backup.
The non-setting adhesive of above-mentioned preparation, at 150g/m
2paper on evenly after applying glue, detect after lower 24 hours in-8 DEG C/30%RH condition, stripping strength is that 259N/m(is by GB2792 – 81 standard testing).
Embodiment 3
Gelatin 58Kg
Polyvinylpyrolidone (PVP) 3Kg
Glycerol 15Kg
Ethylene glycol 10Kg
Methane amide 5.6Kg
Carboxamide 8Kg
Anhydrous sorbitol laurate 0.3Kg
Sodium sorbate 0.1Kg
Above after each component metering, in the container with vacuum hydro-extraction and whipping appts, use 450Kg water swelling for gelatin normal temperature in water 3 hours; Then add glycerol, ethylene glycol, methane amide, carboxamide, anhydrous sorbitol laurate and sodium sorbate by formula metering, and make mixture be warming up to 75 DEG C; Now gelatin starts to be melted in water, starts and stirs, and is stirred to gelatin and adds materials and dissolve in water completely; Add Polyvinylpyrolidone (PVP), continue to stir, dissolve completely to Polyvinylpyrolidone (PVP); Good seal container, keeps temperature 70 C in container, opens vacuum dewatering plant and dewaters; To container, the vacuum hydro-extraction rate of mixture reaches more than 98%, and stopping dewaters and be cooled to about 35 DEG C carries out discharging, and sealed package saves backup.
The non-setting adhesive of above-mentioned preparation, at 120g/m
2paper on evenly after applying glue, detect after lower 24 hours in 23 DEG C/60%RH condition, stripping strength is that 326N/m(is by GB2792 – 81 standard testing).
Above-mentioned non-setting adhesive is pasted on after applying glue on stainless steel substrates on paper, preserves after two months under normal temperature, and the stainless steel substrates being pasted with self-adhesive paper is dropped in water, paper glue departs from stainless steel substrates very soon, after rinsing a little with water, clean as clean on stainless steel substrates, do not stay any vestige.
Claims (7)
1. a preparation method for water-soluble non-setting adhesive, is characterized in that comprising the following steps:
(1) gelatin is placed in container water normal temperature swelling, then softening agent, solubilizing agent, surface wettability agent and sanitas is added by formula metering, and mixture is heated up, stir, make gelatin and add materials to dissolve in water completely, add Polyvinylpyrolidone (PVP) again, continue to stir, dissolve completely to Polyvinylpyrolidone (PVP); The parts by weight of each material are:
Gelatin 50-70
Polyvinylpyrolidone (PVP) 3-10
Softening agent 15-35
Solubilizing agent 10-30
Surface wettability agent 0.3 – 1.0
Sanitas 0.1-0.3;
Described softening agent is more than one in glycerol, ethylene glycol, polyglycol ether, TriMethylolPropane(TMP), is technical grade; Described solubilizing agent is more than one in hexanolactam, methane amide, ethanamide, carboxamide; Described surface wettability agent is more than one in polyoxyethylene dioleate, TEG monoleate, polyoxypropylene stearate, anhydrous sorbitol laurate, polyoxyethylene oxypropylene oleic acid ester, polyoxypropylene N.F,USP MANNITOL dioleate, polyoxyethylene wool alcohol ether, polyoxyethylene fatty acid; Described sanitas is more than one in phenylformic acid, Sodium Benzoate, Sorbic Acid, sodium sorbate;
(2) good seal step (1) described container, keeps temperature in container, and open vacuum dewatering plant and dewater, cooling, discharging, sealed package saves backup.
2. the preparation method of a kind of water-soluble non-setting adhesive according to claim 1, it is characterized in that the molecular weight of step (1) described gelatin is greater than 80,000, it freezes power >=400Bloomg; Viscosity >=15E.
3. the preparation method of a kind of water-soluble non-setting adhesive according to claim 1, is characterized in that step (1) described container is the container with vacuum hydro-extraction and whipping appts; The weight of described water is 5 ~ 10 times of gelatin weight; The described swelling time is 1-3 hours.
4. the preparation method of a kind of water-soluble non-setting adhesive according to claim 1, is characterized in that step (1) described intensification is for being warming up to 60 ~ 75 DEG C.
5. the preparation method of a kind of water-soluble non-setting adhesive according to claim 1, is characterized in that in step (2) described container, temperature is 70 ~ 75 DEG C.
6. the preparation method of a kind of water-soluble non-setting adhesive according to claim 1, is characterized in that step (2) described dehydration makes non-setting adhesive vacuum hydro-extraction rate in container reach more than 98%.
7. the preparation method of a kind of water-soluble non-setting adhesive according to claim 1, is characterized in that being cooled to described in step (2) being cooled to 20 – 35 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210385279.0A CN102899001B (en) | 2012-10-12 | 2012-10-12 | A kind of preparation method of water-soluble non-setting adhesive |
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|---|---|---|---|
| CN201210385279.0A CN102899001B (en) | 2012-10-12 | 2012-10-12 | A kind of preparation method of water-soluble non-setting adhesive |
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|---|---|
| CN102899001A CN102899001A (en) | 2013-01-30 |
| CN102899001B true CN102899001B (en) | 2015-11-11 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627366B (en) * | 2013-11-15 | 2016-01-13 | 湖南科技大学 | A kind of preparation method of gelatin-based tackiness agent |
| CN106318314A (en) * | 2016-10-10 | 2017-01-11 | 上海金大塑胶有限公司 | Preparation method for water-based adhesive sticker |
| CN106800912A (en) * | 2016-12-23 | 2017-06-06 | 惠州市泽信实业有限公司 | A kind of water-soluble adhesive sticker adhesive |
| CN111270556B (en) * | 2020-03-09 | 2021-01-19 | 华南理工大学 | Card paper composite material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128360A (en) * | 2005-02-09 | 2008-02-20 | 卡姆-特内罗造纸厂股份公司 | Label with a fluid-sensitive adhesive coating, use of such a label, method for automatic application of a label with a fluid-sensitive adhesive coating and method of manufacturing a label paper |
| CN101624505A (en) * | 2008-07-10 | 2010-01-13 | 宁波松鹤文具有限公司 | Pressure-sensitive solid adhesive and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101128360A (en) * | 2005-02-09 | 2008-02-20 | 卡姆-特内罗造纸厂股份公司 | Label with a fluid-sensitive adhesive coating, use of such a label, method for automatic application of a label with a fluid-sensitive adhesive coating and method of manufacturing a label paper |
| CN101624505A (en) * | 2008-07-10 | 2010-01-13 | 宁波松鹤文具有限公司 | Pressure-sensitive solid adhesive and preparation method thereof |
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Granted publication date: 20151111 Termination date: 20211012 |