CN103468174A - Low-temperature hot stamping hot melt adhesive for alumite and preparation method thereof - Google Patents
Low-temperature hot stamping hot melt adhesive for alumite and preparation method thereof Download PDFInfo
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- CN103468174A CN103468174A CN2013104507472A CN201310450747A CN103468174A CN 103468174 A CN103468174 A CN 103468174A CN 2013104507472 A CN2013104507472 A CN 2013104507472A CN 201310450747 A CN201310450747 A CN 201310450747A CN 103468174 A CN103468174 A CN 103468174A
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Abstract
The invention provides low-temperature hot stamping hot melt adhesive for alumite and a preparation method of the low-temperature hot stamping hot melt adhesive. In the existing alumite rotary gold stamping process, heat transfer hot stamping temperatures are all within the range of 120 DEG C to 200 DEG C, if the temperature of a gold stamping plate is too high, energy consumption in the gold stamping process is increased, alumite hot stamping foil or printing materials can deform by being heated, and then hot stamping is inaccurate. The low-temperature hot stamping hot melt adhesive is prepared from the following raw materials, by weight, 1-6 parts of chloroethylene-vinyl acetate resin, 1-10 parts of terpene resin, 1-10 parts of acrylic ester, 1-5 parts of nitrocellulose, 1-5 parts of fumed silica, 20-70 parts of ethyl acetate, 10-50 parts of ethyl alcohol and 1-5 parts of propyl acetate. The low-temperature hot stamping hot melt adhesive is low in softening temperature and high in adhesive power, heat transfer hot stamping temperatures are within the range of 85 DEG C to 100 DEG C, energy consumption can be remarkably reduced, the problems that the gold stamping foil or the printing materials easily deform by being heated by high-temperature hot stamping, so that waste caused by inaccurate hot stamping is generated are solved.
Description
Technical field
The present invention relates to the hot melt adhesive field, be specifically related to a kind of thermoprint of the low temperature for anodized aluminium hot melt adhesive and preparation method thereof.
Background technology
Anodized aluminium is a kind of vacuum aluminum-coated new packaging material, through certain temperature and pressure, pattern, lines and the font etc. of the upper pre-engraving of gold stamping version are transferred to the stock surface, make it there is the characteristics such as lovely luster, the metal sense is strong, visual effect is remarkable, be widely used in thermoprint and the decoration on the surfaces such as paper product, plastics, leatherware, woodwork.
Anodized aluminium consists of base membrane layer, release layer, pigmented layer, aluminium coated and hot melt adhesive layer, its preparation method is included in coating release layer and pigmented layer on base membrane layer, through the vacuum aluminum-coated aluminium coated that obtains, and then coating hot melt adhesive layer, hot melt adhesive mainly plays bonding effect, and in electrochemical aluminium thermoprinting, melted by heat sticks to the printable fabric surface, play a part to make the aluminium coated set, it must possess good upper the cutting property of scalding.
But the anodized aluminium rotary-cutting hot stamping process of prior art, its heat shifts blocking temperature all at 120-200 ℃, the adhere firmly of guarantee thermoprint layer, the excessive temperature of gold stamping version not only increases the energy consumption of gold stamping process, cost is high, and can make alumite thermoprinting foil or stock temperature distortion, and cause thermoprint inaccurate, cause unnecessary waste.In addition, under hot conditions, the life cycle of gold stamping version is short.
Summary of the invention
For solving the deficiencies in the prior art, the present invention aims to provide a kind of low temperature thermoprint hot melt adhesive and preparation method thereof, the anodized aluminium that contains this hot melt adhesive, it is low that its heat shifts blocking temperature, having improved the high temperature thermoprint, that gold stamping paper tinsel or stock are heated is yielding, so that the inaccurate wasting deficiency of thermoprint, reduces gold stamping energy consumption simultaneously, extend the life cycle of gold stamping version, thereby saved gold stamping cost.
For achieving the above object, the present invention adopts following technique means: a kind of thermoprint of the low temperature for anodized aluminium hot melt adhesive, raw materials used to calculate by weight proportioning as follows: vinyl chloride-vinyl acetate resin 1-6 part, terpine resin 1-10 part, acrylate 1-10 part, nitrocellulose 1-5 part, aerosil 1-5 part, ethyl acetate 20-70 part, ethanol 10-50 part, propyl acetate 1-5 part.
Preferably, a kind of thermoprint of the low temperature for anodized aluminium hot melt adhesive, raw materials used to calculate by weight proportioning as follows: vinyl chloride-vinyl acetate resin 2-5 part, terpine resin 3-8 part, acrylate 4-6 part, nitrocellulose 1-3 part, aerosil 1-3 part, ethyl acetate 30-60 part, ethanol 20-40 part, propyl acetate 1-3 part.
Described acrylate is comprised of butyl acrylate and ethyl acrylate, and its composition is counted by weight: 4 parts of butyl acrylates, 1 part of ethyl acrylate.
Wherein, vinylchlorid-vinyl acetate resin both can be used as thermoplastics, can be used as again the polymkeric substance of slight crosslinked thermosetting resin, and this resin transparent, toughness has sticking power preferably for all kinds of base materials, and can be directly used in food applications.
Terpine resin is a kind of good tackifier; Acrylate energy autohemagglutination or and other monomer copolymerizations, be the monomer of manufacturing tackiness agent, synthetic resins, specialty elastomer and plastics.
Acrylate has superior anti-mineral oil and pyro-oxidation resistance.
Nitrocellulose, be commonly called as soluble cotton, is the product of Mierocrystalline cellulose and nitric acid esterification.A kind of white fiber shaped polymer, water-fast, anti-diluted acid, anti-weak base and various oils.
Aerosil, as anti-settling, thickening, the sticky auxiliary agent of counnter attack, increases cutability, and the levelling of hot melt adhesive and planeness and the homogeneity of glue-line film forming are had to good effect.
Ethyl acetate is achromaticity and clarification liquid, is the quick-drying solvent of nitrocellulose, ethyl cellulose, rhodia and chloroprene rubber, is also the low-toxic solvent of industrial use.
Propyl acetate name " n-propyl acetate ", " propyl acetate ", be colourless transparent liquid under normal temperature, with ethanol, ether, dissolves each other, and special fruit aroma is arranged.
The present invention, for the preparation method of the low temperature thermoprint hot melt adhesive of anodized aluminium, comprises the following steps:
A, by the load weighted ethyl acetate of proportioning, ethanol and propyl acetate, adding stirring at normal temperature 3～5min in container, stirring velocity is 500-700r/min, obtains mixed liquor A;
B, add successively in mixed liquor A by the load weighted vinyl chloride-vinyl acetate resin of proportioning, terpine resin, acrylate, stir 100～130min, stirring velocity is 500-700r/min, obtains mixed liquid B;
C, add successively in mixed liquid B by the load weighted nitrocellulose of proportioning, aerosil, stir 220～260min, stirring velocity is 500-700r/min, until dissolve fully or be uniformly dispersed, obtains the hot melt adhesive work in-process;
D, the hot melt adhesive work in-process that step c is obtained obtain the low temperature thermoprint hot melt adhesive for anodized aluminium after 200～220 eye mesh screens filter.
The environment that is 50-60% in humidity by the low temperature thermoprint hot melt adhesive for preparing, by anilox roll with 5-6g/m
2wet glue spread be coated on aluminium coated, after the cutting and rewinding operation, make the anodized aluminium material with low temperature thermoprint performance.
the present invention has following beneficial effect:
1. the thermoprint of the low temperature for anodized aluminium hot melt adhesive of the present invention, have low softening temperature and strong adhesive power, and it is 85-100 ℃ that its heat shifts blocking temperature, can significantly reduce the energy consumption of gold stamping process.
2. the invention solves high temperature thermoprint that prior art exists, that alumite thermoprinting foil or stock are heated is yielding, causes thermoprint to be forbidden to cause waste, and the short problem of life cycle under gold stamping version high temperature, thereby has saved gold stamping cost.
3. it is simple that the low temperature thermoprint hot melt adhesive that prepared by the present invention has production technique, without increasing any machinery equipment, do not increase production cost and stay in grade is controlled, and polymer blending modification is simple, is convenient to control.
4. use anodized aluminium product that the present invention produces to there is good upper the cutting property of scalding, the Glabrous such as thermoprint font, lines thorn, and bondingly firmly do not come off, stripping strength is high.
5. the present invention is raw materials used make low temperature thermoprint hot melt adhesive after, stable performance, standing storage is stable, does not produce and is separated and precipitates, and is easy to cost-saving.
Embodiment
embodiment 1
The present embodiment is produced on " Hongta " cork paper and is adopted above-mentioned low temperature thermoprint hot melt adhesive in Yunnan phoenix paper product company limited, raw materials usedly be: vinyl chloride-vinyl acetate resin 4.0kg, terpine resin 6.0kg, butyl acrylate 4.0kg, ethyl acrylate 1.0kg, nitrocellulose 1.0kg, aerosil 2.0kg, ethyl acetate 50.0kg, ethanol 30.0kg, propyl acetate 2.0kg.
According to following steps, produced:
A, load weighted ethyl acetate, ethanol and propyl acetate are added to stirring at normal temperature 3 min in container, stirring velocity is 600r/min, obtains mixed liquor A;
B, add successively load weighted vinyl chloride-vinyl acetate resin, terpine resin, butyl acrylate and ethyl acrylate in mixed liquor A, stir 120min, stirring velocity is 600r/min, obtains mixed liquid B;
C, add successively load weighted nitrocellulose, aerosil in mixed liquid B, stir 260min, stirring velocity is 600r/min, until polymkeric substance dissolves fully or is uniformly dispersed, obtains the hot melt adhesive work in-process;
D, the hot melt adhesive work in-process that step c is obtained obtain the low temperature thermoprint hot melt adhesive for anodized aluminium after 200 eye mesh screens filter.
By the low temperature thermoprint hot melt adhesive for preparing in humidity under the environment at 50-60%, by anilox roll with 5.5g/m
2wet glue spread be coated on aluminium coated, after the cutting and rewinding operation, there is the anodized aluminium material of low temperature thermoprint performance, after adopting this hot melt adhesive, the electrochemical aluminium thermoprinting temperature is reduced to 85-95 ℃ by original 125-135 ℃, the former blocking temperature of success solution is high makes the cork paper distortion cause thermoprint inaccurate, produces the drawback that waste product is many, and the while has also been reduced the energy consumption of gold stamping process.
embodiment 2
The present embodiment is produced " Yuxi " cork paper in Yuxi Filter Plug Wrap Paper Mill, Yunnan and is adopted above-mentioned low temperature thermoprint hot melt adhesive, raw materials usedly be: vinyl chloride-vinyl acetate resin 1.0kg, terpine resin 3.0kg part, butyl acrylate 8.0kg, ethyl acrylate 2.0kg, nitrocellulose 3.0kg, aerosil 1.0kg part, ethyl acetate 30.0kg part, ethanol 10.0kg part, propyl acetate 3.0kg.
According to following steps, produced:
A, load weighted ethyl acetate, ethanol and propyl acetate are added to stirring at normal temperature 5 min in container, stirring velocity is 500r/min, obtains mixed liquor A;
B, add successively load weighted vinyl chloride-vinyl acetate resin, terpine resin, butyl acrylate and ethyl acrylate in mixed liquor A, stir 130min, stirring velocity is 500r/min, obtains mixed liquid B;
C, add successively load weighted nitrocellulose, aerosil in mixed liquid B, stir 240min, stirring velocity is 500r/min, until polymkeric substance dissolves fully or is uniformly dispersed, obtains the hot melt adhesive work in-process;
D, the hot melt adhesive work in-process that step c is obtained obtain the low temperature thermoprint hot melt adhesive for anodized aluminium after 220 eye mesh screens filter.
By the low temperature thermoprint hot melt adhesive for preparing in humidity under the environment at 50-60%, by anilox roll with 5.5g/m
2glue spread be coated on aluminium coated, after the cutting and rewinding operation, there is the anodized aluminium material of low temperature thermoprint performance, after adopting this hot melt adhesive, the electrochemical aluminium thermoprinting temperature is reduced to 95-100 ℃ by original 155-160 ℃, the energy consumption of gold stamping process is obviously reduced, and has extended the life cycle of gold stamping version, has saved gold stamping production cost.
embodiment 3
The present embodiment is produced " lesser panda " cork paper in Qujing of Yunnan kylin good fortune board printing company limited and is adopted above-mentioned low temperature thermoprint hot melt adhesive, raw materials usedly be: vinyl chloride-vinyl acetate resin 6.0kg, terpine resin 8.0kg part, butyl acrylate 3.0kg, ethyl acrylate 1.0kg, nitrocellulose 5.0kg, aerosil 4.0kg part, ethyl acetate 70.0kg part, ethanol 50.0kg part, propyl acetate 5.0kg.
According to following steps, produced:
A, load weighted ethyl acetate, ethanol and propyl acetate are added to stirring at normal temperature 4 min in container, stirring velocity is 700r/min, obtains mixed liquor A;
B, add successively load weighted vinyl chloride-vinyl acetate resin, terpine resin, butyl acrylate and ethyl acrylate in mixed liquor A, stir 100min, stirring velocity is 700r/min, obtains mixed liquid B;
C, add successively load weighted nitrocellulose, aerosil in mixed liquid B, stir 220min, stirring velocity is 700r/min, until polymkeric substance dissolves fully or is uniformly dispersed, obtains the hot melt adhesive work in-process;
D, the hot melt adhesive work in-process that step c is obtained obtain the low temperature thermoprint hot melt adhesive for anodized aluminium after 210 eye mesh screens filter.
By the low temperature thermoprint hot melt adhesive for preparing in humidity under the environment at 50-60%, by anilox roll with 5.5g/m
2glue spread be coated on aluminium coated, after the cutting and rewinding operation, there is the anodized aluminium material of low temperature thermoprint performance, after adopting this hot melt adhesive, the electrochemical aluminium thermoprinting temperature is reduced to 85-95 ℃ by original 130-150 ℃, the Glabrous such as thermoprint font, lines thorns, and bondingly firmly do not come off, stripping strength is high.
Claims (5)
1. the thermoprint of the low temperature for an anodized aluminium hot melt adhesive, it is characterized in that, raw materials used to calculate by weight proportioning as follows: vinyl chloride-vinyl acetate resin 1-6 part, terpine resin 1-10 part, acrylate 1-10 part, nitrocellulose 1-5 part, aerosil 1-5 part, ethyl acetate 20-70 part, ethanol 10-50 part, propyl acetate 1-5 part.
2. a kind of thermoprint of the low temperature for anodized aluminium hot melt adhesive according to claim 1, it is characterized in that, raw materials used to calculate by weight proportioning as follows: vinyl chloride-vinyl acetate resin 2-5 part, terpine resin 3-8 part, acrylate 4-6 part, nitrocellulose 1-3 part, aerosil 1-3 part, ethyl acetate 30-60 part, ethanol 20-40 part, propyl acetate 1-3 part.
3. according to the described a kind of thermoprint of the low temperature for the anodized aluminium hot melt adhesive of claims 1, it is characterized in that, described acrylate is comprised of butyl acrylate and ethyl acrylate, and its composition is counted by weight: 4 parts of butyl acrylates, 1 part of ethyl acrylate.
4. according to the described a kind of thermoprint of the low temperature for the anodized aluminium hot melt adhesive of claims 2, it is characterized in that, described acrylate is comprised of butyl acrylate and ethyl acrylate, and its composition is counted by weight: 4 parts of butyl acrylates, 1 part of ethyl acrylate.
5. according to the preparation method of the described thermoprint of the low temperature for anodized aluminium of any one in claim 1～4 hot melt adhesive, it is characterized in that, comprise the following steps:
A, by the load weighted ethyl acetate of proportioning, ethanol and propyl acetate, adding stirring at normal temperature 3～5min in container, stirring velocity is 500-700r/min, obtains mixed liquor A;
B, add successively in mixed liquor A by the load weighted vinyl chloride-vinyl acetate resin of formula rate, terpine resin, acrylate, stir 100～130min, stirring velocity is 500-700r/min, obtains mixed liquid B;
C, add successively in mixed liquid B by the load weighted nitrocellulose of formula rate, aerosil, stir 220～260min, stirring velocity is 500-700r/min, until dissolve fully or be uniformly dispersed, obtains the hot melt adhesive work in-process;
D, the hot melt adhesive work in-process that step c is obtained obtain the low temperature thermoprint hot melt adhesive for anodized aluminium after 200～220 eye mesh screens filter.
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| CN201310450747.2A CN103468174B (en) | 2013-09-29 | 2013-09-29 | Low-temperature hot stamping hot melt adhesive for alumite and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104004476A (en) * | 2014-05-13 | 2014-08-27 | 佛山市南海高拓包装材料有限公司 | Adhesive for electrochemical aluminium hot stamping and preparation method thereof and electrochemical aluminium |
| CN104263311A (en) * | 2014-09-04 | 2015-01-07 | 武汉华工图像技术开发有限公司 | UV (ultraviolet) cold stamping glue |
| CN105802570A (en) * | 2016-05-15 | 2016-07-27 | 上海万汉实业有限公司 | Transfer water-based hot-melt adhesive and preparation method thereof |
| CN106515249A (en) * | 2016-09-27 | 2017-03-22 | 苏州吉谷新材料有限公司 | Thermal sublimation transfer paper |
| CN109593494A (en) * | 2018-12-17 | 2019-04-09 | 云南玉溪东魅包装材料有限公司 | High speed thermoprint gloss oil type tipping paper electrochemical aluminum foil hot melt adhesive and preparation method thereof |
| CN110079257A (en) * | 2019-04-04 | 2019-08-02 | 武汉华中科大新材料股份有限公司 | A kind of electrochemical aluminium thermoprinting glue and preparation method thereof |
| CN111138922A (en) * | 2019-12-20 | 2020-05-12 | 江苏乘鹰新材料股份有限公司 | Offset cold-ironing coating with both large field area and fine lines and preparation method thereof |
| CN111303778A (en) * | 2020-03-07 | 2020-06-19 | 浙江大高镭射科技股份有限公司 | Multipurpose alumite back adhesive and preparation method thereof |
| CN111806114A (en) * | 2020-07-02 | 2020-10-23 | 昆山市生力包装材料有限公司 | Low-temperature adhesive alumite hot stamping foil and production method thereof |
| CN111961427A (en) * | 2020-08-11 | 2020-11-20 | 湖北省葛店开发区晨光实业有限公司 | Laser holographic positioning alumite low-temperature high-speed hot stamping gum and preparation method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104004476A (en) * | 2014-05-13 | 2014-08-27 | 佛山市南海高拓包装材料有限公司 | Adhesive for electrochemical aluminium hot stamping and preparation method thereof and electrochemical aluminium |
| CN104004476B (en) * | 2014-05-13 | 2017-07-07 | 佛山市南海高拓包装材料有限公司 | Adhesive for electrochemical aluminium thermoprinting and preparation method thereof and anodized aluminium |
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| CN105802570A (en) * | 2016-05-15 | 2016-07-27 | 上海万汉实业有限公司 | Transfer water-based hot-melt adhesive and preparation method thereof |
| CN106515249A (en) * | 2016-09-27 | 2017-03-22 | 苏州吉谷新材料有限公司 | Thermal sublimation transfer paper |
| CN109593494A (en) * | 2018-12-17 | 2019-04-09 | 云南玉溪东魅包装材料有限公司 | High speed thermoprint gloss oil type tipping paper electrochemical aluminum foil hot melt adhesive and preparation method thereof |
| CN110079257A (en) * | 2019-04-04 | 2019-08-02 | 武汉华中科大新材料股份有限公司 | A kind of electrochemical aluminium thermoprinting glue and preparation method thereof |
| CN111138922A (en) * | 2019-12-20 | 2020-05-12 | 江苏乘鹰新材料股份有限公司 | Offset cold-ironing coating with both large field area and fine lines and preparation method thereof |
| CN111138922B (en) * | 2019-12-20 | 2021-11-23 | 江苏乘鹰新材料股份有限公司 | Offset cold-ironing coating with both large field area and fine lines and preparation method thereof |
| CN111303778A (en) * | 2020-03-07 | 2020-06-19 | 浙江大高镭射科技股份有限公司 | Multipurpose alumite back adhesive and preparation method thereof |
| CN111806114A (en) * | 2020-07-02 | 2020-10-23 | 昆山市生力包装材料有限公司 | Low-temperature adhesive alumite hot stamping foil and production method thereof |
| CN111806114B (en) * | 2020-07-02 | 2022-04-01 | 昆山市生力包装材料有限公司 | Low-temperature adhesive alumite hot stamping foil and production method thereof |
| CN111961427A (en) * | 2020-08-11 | 2020-11-20 | 湖北省葛店开发区晨光实业有限公司 | Laser holographic positioning alumite low-temperature high-speed hot stamping gum and preparation method thereof |
| CN111961427B (en) * | 2020-08-11 | 2021-11-19 | 湖北省葛店开发区晨光实业有限公司 | Laser holographic positioning alumite low-temperature high-speed hot stamping gum and preparation method thereof |
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