CN1036600C - Hot-melt adhesive - Google Patents
Hot-melt adhesive Download PDFInfo
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- CN1036600C CN1036600C CN92113220A CN92113220A CN1036600C CN 1036600 C CN1036600 C CN 1036600C CN 92113220 A CN92113220 A CN 92113220A CN 92113220 A CN92113220 A CN 92113220A CN 1036600 C CN1036600 C CN 1036600C
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- melt adhesive
- hot melt
- ethene
- hot
- ethylene copolymer
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Abstract
The present invention relates to a fast mounting material-hot-melt adhesive which is composed of modified EVA, EVA, tie resin, antioxidants and solvents. For improving the flexibility of hot-melt adhesive, modified EVA is added; EVA is saponified in alkaline media and is condensed with polyether segments with introduced living end groups; the polyether segments need to be polyether segments with long-member repetitive units, such as the structure of HO-(CH2-CH2-CH2-CH2-O-)n; halogenated polyolefin is added in the composition for widening the gluing range. The hot-melt adhesive of the present invention has the advantages of good flexibility, soft and smooth mounted painting and calligraphy, long storage time, no deformation and good ageing resistance, and the hot-melt adhesive can cause materials of paper, damask silk, silk, cloth, fibers, etc. to be tightly combined and to be free from the influence of water and environment; when the hot-melt adhesive is spread, the hot-melt adhesive is fast dried and easily films.
Description
The present invention relates to a kind of quick mounting material-hot melt adhesive.
At present the mount a picture present situation of industry of China is manual mounting a picture, and undertaken by following technology basically: the swabbing pastes → holder picture heart → holder thin satin → back of the body → swabbing paste → upward wall → waxing is rolled flat again.Having mounted a width of cloth works needs seven days at least, even the longer time.This is because will hold in the palm the picture heart earlier when mounting a picture, and its objective is that the fiber and the fold that make rice paper flatten, and the time is about one day, stretch tight on the wall and take off after flat, go up thin satin and multiple backing paper again, brush paste again one time, last wall stretched tight 5～6 days, loaded onto universe rod after taking off, and waxing is rolled flat again.There is following defective in this technology:
1, affected by environment big.If the humidity of environment is improper, such as situation such as run into wet weather, blow, will influences the flattening of the picture heart and double-deck bonding, and prolong the time of the wall that stretches tight, thereby increase the whole time of mounting a picture.
2, the picture of mounting with traditional technology of mounting a picture, very flat at that time, can will find after a while to have hung picture injustice on the wall, be commonly called as and " stuck up ", not hang and roll up the volume seal youngster that the picture of putting also can go out a lot of on the wall always.This phenomenon is owing to the influence of airborne moisture content to tackiness agent (paste) causes.These shortcomings are that traditional technology is insurmountable.Japan is on the basis of introducing the Chinese technology of mounting a picture in recent years, done bold innovation by means of high-tech, work out the novel process of mounting a picture fast, mount a picture machine earlier to drawing heart water spray by hydraulic pressure when mounting a picture, place it in then on the thermocompressor, water spray, hot pressing flatten, and prepare curium bar and thin satin again, according to required mounting form the picture heart, curium bar, thin satin, gummed paper are overlayed on the thermocompressor, a pressure gets final product.Only need about 10 minutes before and after mounting width of cloth picture, and quality is good, the time is short, and technology is simple.
Be not difficult to find out that improve the traditional technology level, key is tackiness agent, it not only can simplify technology, also can shorten the time of mounting a picture, and improves mounting quality.Clear 59-159451 of Japanese Patent and Chinese patent CN1050208 disclose a kind of matrix material hot melt adhesive, main raw material is EVA, and is aided with other auxiliary agents, and this product snappiness and thermal stability are not ideal enough, the mounting painting and calligraphy prolonged preservation will be out of shape, and is not suitable for the bonding of relative broad range material.
The objective of the invention is to overcome the mount a picture deficiency of technology of tradition, a kind of quick mounting material---hot melt adhesive is provided, replace and use paste, thereby improved mounting quality greatly, shortened the mounting time as the tradition of the binding agent technology of mounting a picture.Another purpose of the present invention is to improve existing flexibility of hot-melt adhesive, improves the quality of products.Last purpose of the present invention is to widen the use range of hot melt adhesive, all has excellent adhesion performance for paper, thin silk fabric, fiber, plastic or other material.
Realize that technical scheme of the present invention is:
One, the modified technique of EVA modified technique (ethene-acetate ethylene copolymer)
1, saponification reaction: after the EVA resin dissolves, add alkaline saponifying agent, pH value is 7.5～10.5, is heated to 70～100 ℃, refluxes, and stirs 2～4 hours, and after reacting completely, saponification deg is 4～20%.
2, introduce the polyethers section of active end group, introduce the polyethers section of active end group on the basis of saponification EVA, molecular weight is 2000～5000, and the polyethers section that this polyethers section must be the meropodium repeating unit is as HO-(CH
2-CH
2-CH
2-CH
2-O-) the structure of n can be in low-molecular-weight polytetrahydrofuran, the terminal hydroxy group oleic acid ester polyethers any, utilizes the EVA-OH group after active terminal hydroxy group and the saponification to carry out condensation reaction, and they are incorporated on the EVA main chain after the saponification.After saponification EVA and polyethers section prepare in proportion, be heated to 70～100 ℃, reacted 2～5 hours, introduce the ratio 5～50% (the hydroxyl value ratio method with the grafting section before and after the reaction is measured) of polyethers section
Two, widen bonding scope:
Add the halogenated polyolefin class, molecular weight is 5000～20000, and addition is 2～10 parts (weight), is 15000 as the chlorinatedpolyethylene molecular weight, can increase the cohesive strength to plastics, regenerated fiber and natural fiber like this, but need not improve hot melting temperature.
Three, hot melt adhesive consists of (weight)
50 parts of EVA (ethene-acetate ethylene copolymer)
50 parts of modified EVAs (ethene improved-acetate ethylene copolymer)
2～10 parts of halogenated polyolefin classes
3～20 parts of tackifying resins
1～10 part of antiaging agent
5 parts of paraffin waxes
200～1000 parts of solvents
In the above-mentioned composition, ethene-acetate ethylene copolymer is that melting index is 5～35, vinyl acetate content is 5～35% weight, halogenated polyolefin can be a chlorinatedpolyethylene, in the Chlorinated Polypropylene III any, tackifying resin can be a petroleum hydrocarbon resin, terpine resin and derivative thereof, in the rosin derivative one or both, antiaging agent can be antioxidant 1010 (four (4-hydroxyls-3,5-di-tert-butyl-phenyl propionic acid) pentaerythritol ester), antiager 4010NA (N-phenyl-N '-cyclohexyl Ursol D), antiager 4030 (N, N '-two (1-methyl) Ursol D) any in, solvent can be a toluene, ethyl acetate, butylacetate, in the pimelinketone any.
Four, preparation technology:
After above-mentioned ethene-acetate ethylene copolymer of handling through modification and ethene-acetate ethylene copolymer, tackifying resin, antiaging agent, paraffin is mixed in proportion, add solvent and put into reactor, temperature is controlled at 70～100 ℃, stirs 2～4 hours, through filtering, can make.
The objective of the invention is to adopt novel mounting material to carry out the mechanize mounting.Concrete steps are that a kind of hot melt adhesive of the present invention of coating is combined with each other the picture heart, curium bar, world thin silk fabric on mulberry paper then with thermocompressor earlier, carry out mounting with traditional paste as binding agent and contrast, and mounting technology involved in the present invention has following advantage:
1, not sticking under the hot melt adhesive normal temperature, under the situation of heating, have binding property, solidify rapidly during cooling, and have thermal reversibility, established basic substance for realizing the quick mounting technology of mechanize.
2, hot melt adhesive is water insoluble, is not subjected to the influence of environment, can not change under the environment of wind, Exposure to Sunlight and humidity, therefore, draws and can " not stick up ".
3, hot melt adhesive has very strong binding property to natural fibers such as paper, thin silk fabric, thin,tough silk and synthon, therefore, mounts a picture with it, can the material of mounting a picture be selected widely, and also also very compatible to the storage of traditional Chinese Painting.
4, can take off easily the picture of mounting and mount.
5, the mounting of drawing for long paper, this technology has advantageous advantage, fast and interface few, just mounting finishes but a width of cloth is drawn shortened to 15 minutes by traditional 7～10 days.
Embodiment:
1, the preparation of ethene improved-acetate ethylene copolymer: (melting index is 18 to take by weighing ethene-acetate ethylene copolymer, vinyl acetate content is 28) 100g, NaOH 8g is mixed with 40% aqueous solution, toluene 500g, put into the there-necked flask of 1000ml, heated and stirred, 70 ℃ of temperature, the stopped reaction after 3 hours that refluxes separates water outlet and takes out 500g, puts into the there-necked flask of 1000ml, under heated and stirred, drip end hydroxyl polytetrahydrofuran (molecular weight 5000) 65g, be heated to 75 ℃, reflux and carry out the filtering drying processing after 3 hours, be the ethene-acetate ethylene copolymer of modification.
2, hot melt adhesive preparation: the ethene-acetate ethylene copolymer 50g that takes by weighing modification respectively, (melting index is 18 to ethene-acetate ethylene copolymer, vinyl acetate content is 28) 50g, staybelite (70 ℃ of fusing points) 5g, paraffin (700 ℃ of fusing points) 5g, terpine resin 2g, oxidation inhibitor 4010 1g, chlorinatedpolyethylene 3g, camphor 3g, put into the there-necked flask of 1000ml, add the 500ml toluene solvant, mix and be heated to 70 ℃, refluxing after 3 hours is stopped reaction, pass through filtration treatment then, be finished product-hot melt adhesive.
Claims (3)
1, a kind of quick mounting material hot melt adhesive, system is by ethene improved-acetate ethylene copolymer, ethene-acetate ethylene copolymer, tackifying resin, antiaging agent, solvent composition, it is characterized in that: ethene improved-acetate ethylene copolymer is with after ethene-acetate ethylene copolymer resin dissolves, add alkaline saponifying agent, pH value is 7.5～10.5, be heated to 70～100 ℃, reflux, stirred 2～4 hours, saponification deg is 4～20%, ethene-acetate ethylene copolymer after saponification with introduce to live that to contain active terminal hydroxy group molecular weight be that 1000～5000 polyethers section is carried out polyreaction, the ratio of introducing the polyethers section is 5～50% weight, and this hot melt adhesive weight consists of:
Melting index 5-35,50 parts of vinyl acetate content 5-35% weight
Ethene-acetate ethylene copolymer
Ethene improved-50 parts of acetate ethylene copolymers
2～10 parts of halogenated polyolefin classes
3～20 parts of tackifying resins
1～10 part of antiaging agent
1～3 part of camphor
5 parts in paraffin
200～1000 parts of solvents
Ethene improved-acetate ethylene copolymer in this hot melt adhesive, the polyethers section that it is characterized in that introducing active terminal hydroxy group must be the polyethers section of meropodium repeating unit, can be in the polytetrahydrofuran terminal hydroxy group oleic acid ester polyethers any, its setting-up point be 70～100 ℃, 2～5 hours time;
Halogenated polyolefin in the above-mentioned hot melt adhesive is characterized in that described halogenated polyolefin quasi-molecule amount is 5000～20000, and amount of filling is 2～10 parts, can be in chlorinatedpolyethylene, the Chlorinated Polypropylene III any;
Tackifying resin in the above-mentioned hot melt adhesive can be one or both in petroleum hydrocarbon resin, terpine resin, the staybelite.
2, the antiaging agent in the hot melt adhesive according to claim 1 can be N-phenyl-N '-cyclohexyl Ursol D, N, any in N '-two (1-methyl) Ursol D, four (4-hydroxyl-3, the 5-di-tert-butyl-phenyl propionic acid) pentaerythritol ester.
3, hot melt adhesive according to claim 1 is characterized in that described solvent can be any in toluene, ethyl acetate, butylacetate, the pimelinketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92113220A CN1036600C (en) | 1992-11-25 | 1992-11-25 | Hot-melt adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92113220A CN1036600C (en) | 1992-11-25 | 1992-11-25 | Hot-melt adhesive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1087364A CN1087364A (en) | 1994-06-01 |
| CN1036600C true CN1036600C (en) | 1997-12-03 |
Family
ID=4946303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92113220A Expired - Fee Related CN1036600C (en) | 1992-11-25 | 1992-11-25 | Hot-melt adhesive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1036600C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100513504C (en) * | 2005-05-27 | 2009-07-15 | 庄廷生 | Double-side hot-melt adhesive film and process for making same |
| CN101717610B (en) * | 2009-12-17 | 2011-09-07 | 钱建峰 | Hot melt adhesive |
| CN101914355A (en) * | 2010-08-10 | 2010-12-15 | 浙江诚信包装材料有限公司 | Positioning adhesive for thermal contractive label |
| CN102134821B (en) * | 2010-12-31 | 2014-02-19 | 刘景阳 | Hot-pressed mounting paper capable of being lifted off and re-mounted with water and manufacturing method thereof |
| CN103613919B (en) * | 2013-11-20 | 2015-06-17 | 江苏诚盟装备股份有限公司 | Shoe material hot-melt adhesive sheet and production process and equipment thereof |
| CN104119807B (en) * | 2014-06-26 | 2016-03-02 | 安徽图强文具股份有限公司 | A kind of gluing hot melt adhesive special of notebook of the gluing hot melt adhesive special of notebook containing multiple fiber |
| CN104497916B (en) * | 2014-12-15 | 2016-06-08 | 湖州天强绫绢工艺品有限公司 | Thin silk fabric thin,tough silk handicraft picture mounting process, EVA hot-melt adhesive and modified rosin resin |
| CN104449521B (en) * | 2014-12-23 | 2017-08-25 | 中国科学院长春应用化学研究所 | A kind of hot-melt adhesive composition and preparation method thereof |
| TWI583758B (en) * | 2015-10-08 | 2017-05-21 | 大東樹脂化學股份有限公司 | Adhesive film composition and uses thereof |
| US11708470B2 (en) * | 2016-12-21 | 2023-07-25 | Ppg Industries Ohio, Inc. | Plastic substrate adhesion promoter with random copolymer |
| CN107663783B (en) * | 2017-09-19 | 2022-02-01 | 江苏和和新材料股份有限公司 | Non-woven fabric coated with hot melt adhesive and hot glue process of non-woven fabric |
| CN107779129A (en) * | 2017-10-27 | 2018-03-09 | 六安市九十里山水画廊有限公司 | Gallery mounting glue |
| CN110157250B (en) * | 2019-05-20 | 2021-07-13 | 广东艺都科技有限公司 | Water-based low-temperature hot mounting coating and preparation method thereof |
| CN111439062A (en) * | 2020-04-07 | 2020-07-24 | 柳迹恒 | New mounting process flow for old wood carving |
| CN116355557B (en) * | 2023-03-16 | 2024-01-26 | 广东壹诺科技股份有限公司 | Low-temperature hot melt adhesive and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54159451A (en) * | 1978-06-02 | 1979-12-17 | Norfin | Adhesive composition and bonding method |
| US4358557A (en) * | 1982-03-08 | 1982-11-09 | Eastman Kodak Company | Four component hot-melt adhesives |
| SU979480A1 (en) * | 1981-05-27 | 1982-12-07 | Ленинградское Производственно-Техническое Объединение "Печатный Двор" Им.А.М.Горького | Adhesive melt |
| SU1240777A1 (en) * | 1984-10-31 | 1986-06-30 | Центральный научно-исследовательский институт кожевенно-обувной промышленности | Adhesive melt |
-
1992
- 1992-11-25 CN CN92113220A patent/CN1036600C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54159451A (en) * | 1978-06-02 | 1979-12-17 | Norfin | Adhesive composition and bonding method |
| SU979480A1 (en) * | 1981-05-27 | 1982-12-07 | Ленинградское Производственно-Техническое Объединение "Печатный Двор" Им.А.М.Горького | Adhesive melt |
| US4358557A (en) * | 1982-03-08 | 1982-11-09 | Eastman Kodak Company | Four component hot-melt adhesives |
| SU1240777A1 (en) * | 1984-10-31 | 1986-06-30 | Центральный научно-исследовательский институт кожевенно-обувной промышленности | Adhesive melt |
Non-Patent Citations (1)
| Title |
|---|
| CA.105,154057 1986.1.1 Mkrtchyan,S.L等人 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1087364A (en) | 1994-06-01 |
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