CN102153968B - Hot melt adhesive for medical dialyzing paper - Google Patents
Hot melt adhesive for medical dialyzing paper Download PDFInfo
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- CN102153968B CN102153968B CN 201110138094 CN201110138094A CN102153968B CN 102153968 B CN102153968 B CN 102153968B CN 201110138094 CN201110138094 CN 201110138094 CN 201110138094 A CN201110138094 A CN 201110138094A CN 102153968 B CN102153968 B CN 102153968B
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- vinyl acetate
- ethylene
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- melt adhesive
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Abstract
The invention discloses a hot melt adhesive for medical dialyzing paper, which comprises components such as ethylene-vinyl acetate copolymer, tackifying resin, antioxidant, assistant for preventing surface adhesion, ultraviolet absorbent and the like. The hot melt adhesive disclosed by the invention is a non-water-based formula, so that the hot melt adhesive does not need to be subjected to moisture removal in the processing procedure, thereby simplifying the production equipment and improving the production efficiency.
Description
Technical field
The invention belongs to polymeric material field, relate to a kind of thermosol goods, relate to specifically a kind of good high temperature Painting effect gluing hot melt adhesive for medical dialyzing paper.
Technical field
In medical treatment sterilization industry, different according to the kind of medicine equipment and sterilization method, the packing classification that develops also heals and becomes various.Wherein gluing medical treatment dialyzing paper is widely used in cross bore plastics sterilization packaging bag, paper/paper sterilization packaging bag and paper/mould in the production of sterilization packaging bag, and above sterilization packaging bag seals applying by gluing medical treatment dialyzing paper with cross bore plastics bag, plastic-coated paper, plastic film respectively and processes.The sizing agent that the coating of medical treatment dialyzing paper is used is mainly Aqueous Adhesives at present, so needs to remove the moisture in the sizing agent in the course of processing, has the production unit complexity, the shortcoming that production efficiency is low.
Summary of the invention
The shortcoming that purpose of the present invention uses Aqueous Adhesives to cause for solving medical dialyzing paper coating provides a kind of hot melt adhesive for medical dialyzing paper.
The technical scheme that realizes above-mentioned purpose is as follows:
A kind of hot melt adhesive for medical dialyzing paper, its chief component is as follows,
Ethylene-vinyl acetate copolymer: 25-95wt%,
Increase glutinous resin, 5-75wt%, wherein, ethylene-vinyl acetate copolymer is 100% with the total amount that increases glutinous resin,
Antioxidant be ethylene-vinyl acetate copolymer and the 0-3.0wt% that increases glutinous resin total amount,
The anti-0-3.0wt% that shows glutinous auxiliary agent ethylene-vinyl acetate copolymer and increase glutinous resin total amount,
UV light absorber ethylene-vinyl acetate copolymer and the 0-3.0wt% that increases glutinous resin total amount.
Preferably, hot melt adhesive for medical dialyzing paper, its chief component is: ethylene-vinyl acetate copolymer: 50-90wt%, increase glutinous resin: 10-50wt%, wherein, ethylene-vinyl acetate copolymer is 100% with the total amount that increases glutinous resin,
Antioxidant be ethylene-vinyl acetate copolymer and the 0-0.5wt% that increases glutinous resin total amount,
The anti-0.1-0.5wt% that shows glutinous auxiliary agent ethylene-vinyl acetate copolymer and increase glutinous resin total amount,
UV light absorber ethylene-vinyl acetate copolymer and the 0-0.3wt% that increases glutinous resin total amount.
The viscosity of described hot melt adhesive for medical dialyzing paper is 1,000-50, and 000mPa.s is preferably 8,000-40,000mPa.s.
The softening temperature of described thermosol is preferably between 80 to 100 ℃ between 70 to 110 ℃.
It is preferably, described that to increase glutinous resin be hydrogenation C5 petroleum resin; Described oxidation inhibitor is that phenol is one or both in antioxidant and the phosphorous antioxidant; The glutinous auxiliary agent of described anti-table is erucicamide.
Preferably, described ethylene-vinyl acetate copolymer is: fluidity index MI is that 20-400, Vinyl Acetate Monomer content are 19% ethylene-vinyl acetate copolymer, or the mixture that fluidity index MI is that 20-400, Vinyl Acetate Monomer content are that 19% ethylene-vinyl acetate copolymer and fluidity index MI are 400, Vinyl Acetate Monomer content is 28% ethylene-vinyl acetate copolymer.
More preferably, described fluidity index MI is that 20-400, Vinyl Acetate Monomer content are that 19% ethylene-vinyl acetate copolymer is: the two or more mixture during fluidity index MI is respectively 20,150 or 400, Vinyl Acetate Monomer content is 19% ethylene-vinyl acetate copolymer.
Thermosol provided by the present invention has good high temperature Painting effect, coat medical dialyzing paper surface, under normal temperature and the high temperature without surface tackiness, in medical sterilization packaging bag heat-sealing processing, play cohesive action, good peelable effect in the time of can providing simultaneously medical sterilizing bag rear end to use can be widely used in medical sterilising packaging industry.
Treatment dialyzing paper thermosol provided by the present invention is a kind of nonaqueous sizing agent prescription, therefore, does not need to remove the moisture in the sizing agent in the course of processing, can simplify production unit, enhances productivity.
Embodiment
Some embodiments of the present invention will be described in detail as follows.Yet except following description, the present invention can also be widely implements at other embodiment, and scope of the present invention is not subjected to the restriction of embodiment.In the description of specification sheets, in order to make the reader the present invention there is more complete understanding, many specific detail are provided; Yet the present invention may at clipped or all under the prerequisite of these specific detail (or prior art), still can implement.In addition, well-known step or assembly are not described in the details, with the restriction of avoiding causing the present invention unnecessary.
The thermosol that the embodiment of the invention provides, can be applicable to make a kind of gluing medical treatment dialyzing paper (medical-grade paper coated with glue), this gluing medical treatment dialyzing paper can be applicable to various sterilising packagings, for example, but be not restricted to cross bore plastics sterilization packaging bag, paper/paper sterilization packaging bag, paper/mould sterilization packaging bag.Wherein, cross bore plastics sterilization packaging bag, be by gluing medical treatment dialyzing paper and cross bore plastics bag (poly pouch), for example the plastics bag of Low Density Polyethylene (LDPE), polyethylene terephthalate (PET) or LDPE/PET matrix material carries out thermal-adhering and processes; Paper/paper sterilization packaging bag is by gluing medical treatment dialyzing paper and plastic-coated paper, carries out thermal-adhering and processes such as polyethylene (PE) leaching membrane paper, polypropylene (PP) tectorial paper etc.; Paper/mould sterilization packaging bag is by gluing medical treatment dialyzing paper and plastic film, for example LDPE film, PET film, Chlorinated Polypropylene III/polyethylene terephthalate (CPP/PET) composite membrane, PE/PET composite membrane, PP/PE composite membrane,
Poly-Acid amides/polyethylene (
PA/ PE) composite membrane etc. carries out thermal-adhering and processes.
The thermosol of the embodiment of the invention by the listed material of table one by weight percentage content (wt%) form:
Table one
| Composition | Content (wt%) | Better content (wt%) |
| Ethylene-vinyl acetate copolymer (EVA) | 25～95 | 50～90 |
| Increase glutinous resin | 5～75 | 10～50 |
| Antioxidant | 0～3.0 | 0～0.5 |
| The glutinous auxiliary agent of anti-table | 0～3.0 | 0.1～0.5 |
| UV light absorber | 0～3.0 | 0～0.3 |
Such as table one, the hot melt adhesive for medical dialyzing paper that the embodiment of the invention provides comprises ethene and acetate ethylene copolymer (Ethylene Vinyl Acetate, EVA), increases glutinous resin, the compositions such as antioxidant, the glutinous auxiliary agent of anti-table, UV light absorber.Wherein, the content of ethylene-vinyl acetate copolymer between 25 to 95wt%, increases the content of glutinous resin greatly between 5 to 75wt% greatly.The content of antioxidant greatly about the consumption of above-mentioned composition 0 to 3.0wt% between, between 0 to 3.0wt%, the content of UV light absorber is greatly between 0 to 3.0 greatly for the content of the glutinous auxiliary agent of anti-table.Wherein antioxidant, the glutinous auxiliary agent of anti-table, UV light absorber are trace mineral supplements, be ethene and acetate ethylene copolymer and increase glutinous resin material and be mixed into the hot melt adhesive of 100wt% after, more relatively ethene with acetate ethylene copolymer with increase the weight that sticks resin and additionally add.
The manufacturing process of thermosol of the present invention at first is the material configuration, according to prescription, pours the main raw material ethylene-vinyl acetate copolymer into a steel basin, and heating is dissolved it.Then, carry out material mixing, again according to prescription, pour other compositions such as increasing glutinous resin, the glutinous auxiliary agent of anti-table, UV light absorber, antioxidant into, and fully stir with the paddle of steel basin.Then, carry out vacuum defoamation, with well-beaten hot melt adhesive material, make its deaeration with the vacuum pump extracting vacuum.Then, moulding cuts and granulation, and above-mentioned hot melt adhesive material is transported to another storage tank, this storage tank has an extrusion die, by with the extrusion moulding of hot melt adhesive material, cuts afterwards and granulation again, make required shape, for example, aforesaid granular, sheet, bulk, strip etc.The manufacturing course of noting thermosol of the present invention is not limited to the above, also can use other method manufacturing in the prior art.
Embodiment 1-6
Table two shows the specific embodiment 1-6 of thermosol of the present invention.For example, the EVA_1 that consists of 45wt% of sample A hot melt adhesive add 15wt% EVA_2,20wt% EVA_3,20wt% increase glutinous resin, add the UV light absorber of the antioxidant of 0.3wt% _ 1 and 0.1wt%.The composition of other embodiment such as sample B, C, D, E, F can be by that analogy.Wherein, the difference of EVA_1, EVA_2, EVA_3, EVA_4 is the content difference of vinyl acetate between to for plastic.The difference of antioxidant _ 1, antioxidant _ 2 is also for forming the content difference or having different compositions.EVA_1 is that fluidity index MI is 400, Vinyl Acetate Monomer content is 19% ethylene-vinyl acetate copolymer, EVA_2 is that fluidity index MI is 150, Vinyl Acetate Monomer content is 19% ethylene-vinyl acetate copolymer, EVA_3 is that fluidity index MI is 20, Vinyl Acetate Monomer content is 19% ethylene-vinyl acetate copolymer, and EVA_4 is that fluidity index MI is 400, Vinyl Acetate Monomer content is 28% ethylene-vinyl acetate copolymer.
Table two
Table two also shows the performance measured result of those thermosols embodiment.Wherein, viscosity (180 ℃) test is with Bo Lifei dial type LVT type viscosmeter and uses pin number 34 (Brookfield LVT 34#) test, and probe temperature is 180 ℃.Softening temperature (softening point) test meets the ring and ball method of American Society for testing and materials (ASTM) standard specifications to be tested, and the temperature that runs through sample when steel ball is softening temperature." normal temperature table stickiness " is the program that meets Customer Standard, tests at normal temperatures, and whether hot melt adhesive has surface tackiness, then is not inconsistent demand if having stickiness." high temperature (40 ℃) table stickiness " is the program that meets Customer Standard, and test is under 40 ℃ of high temperature, and whether hot melt adhesive has surface tackiness, then is not inconsistent demand if having stickiness." peelable effect " test subject is tested respectively the medical dialyzing paper with hot melt adhesive of the present invention preparation, the effect when being used for three kinds of sterilising packagings, demand be to have good gluing effect and peelable effect, if the demand that reaches is denoted as " up to standard ".As shown in Table 2, sample A, B and F are applicable to make paper/paper sterilization packaging bag and paper/mould sterilization packaging bag, and sample C, D and E then are applicable to cross bore plastics sterilization packaging bag.
According to the above embodiment that provides, a kind of have a good high temperature Painting effect, and without surface tackiness, and the thermosol goods of good gluing effect and peelable effect are successfully prepared under normal temperature and the high temperature.And the specification of thermosol that the embodiment of the invention provides is as follows:
1. viscosity: 1,000～50,000mPa.s; Be preferably 8000～40,000mPa.s (180 ℃, Brookfield LVT34#).
2. softening temperature: 70～110 ℃; Be preferably 80～100 ℃.(with ring and ball, R﹠amp; B, ring and ball method is tested).
3. color: white is to yellow.
4. proterties: granular, sheet, bulk, strip.
More than be for the specifying of possible embodiments of the present invention, but this embodiment limits claim of the present invention, allly do not break away from the equivalence that skill spirit of the present invention does and implement or change, all should be contained in the claim of the present invention.
Claims (4)
1. a hot melt adhesive for medical dialyzing paper is characterized in that, it is comprised of following composition: second alkene – acetate ethylene copolymer: 50-90wt%, increase glutinous resin: 10-50wt%, and wherein, second alkene – acetate ethylene copolymer is 100% with the total amount that increases glutinous resin,
Antioxidant be Yi Xi – acetate ethylene copolymer and the 0-0.5wt% that increases glutinous resin total amount,
The glutinous auxiliary agent of anti-table be Yi Xi – acetate ethylene copolymer and the 0.1-0.5wt% that increases glutinous resin total amount,
UV light absorber is Yi Xi – acetate ethylene copolymer and the 0-0.3wt% that increases glutinous resin total amount;
It is described that to increase glutinous resin be hydrogenation C5 petroleum resin;
Described Yi Xi – acetate ethylene copolymer is: fluidity index MI is that 20-400, Vinyl Acetate Monomer content are 19% ethylene-vinyl acetate copolymer, or the mixture that fluidity index MI is that 20-400, Vinyl Acetate Monomer content are that 19% ethylene-vinyl acetate copolymer and fluidity index MI are 400, Vinyl Acetate Monomer content is 28% ethylene-vinyl acetate copolymer;
The viscosity of described hot melt adhesive for medical dialyzing paper is 8,000-40,000mPa.s, and softening temperature is between 80 to 100 ℃.
2. hot melt adhesive for medical dialyzing paper according to claim 1 is characterized in that, described oxidation inhibitor is one or both in Hinered phenols antioxidant and the phosphite ester kind antioxidant.
3. hot melt adhesive for medical dialyzing paper according to claim 1 is characterized in that, the glutinous auxiliary agent of described anti-table is erucicamide.
4. hot melt adhesive for medical dialyzing paper according to claim 1, it is characterized in that, described fluidity index MI is that 20-400, Vinyl Acetate Monomer content are that 19% ethylene-vinyl acetate copolymer is: the two or more mixture during fluidity index MI is respectively 20,150 or 400, Vinyl Acetate Monomer content is 19% ethylene-vinyl acetate copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110138094 CN102153968B (en) | 2011-05-26 | 2011-05-26 | Hot melt adhesive for medical dialyzing paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110138094 CN102153968B (en) | 2011-05-26 | 2011-05-26 | Hot melt adhesive for medical dialyzing paper |
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| Publication Number | Publication Date |
|---|---|
| CN102153968A CN102153968A (en) | 2011-08-17 |
| CN102153968B true CN102153968B (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110138094 Expired - Fee Related CN102153968B (en) | 2011-05-26 | 2011-05-26 | Hot melt adhesive for medical dialyzing paper |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103497708A (en) * | 2013-09-18 | 2014-01-08 | 艾科赛仑有限公司 | Hot-melt adhesive for medical dialyzing paper |
| CN103498383A (en) * | 2013-09-18 | 2014-01-08 | 艾科赛仑有限公司 | Medical dialyzing paper |
| CN104099805B (en) * | 2014-07-08 | 2016-08-31 | 福建希源纸业有限公司 | A kind of medical dialyzing paper |
| CN107287981A (en) * | 2017-07-18 | 2017-10-24 | 安庆市康明纳包装有限公司 | Medical gluing paper and preparation method thereof |
| CN108251016B (en) * | 2018-01-30 | 2019-10-11 | 上海汉熵新材料科技有限公司 | Based on two-component universal medical device package water base heat-seal adhesive and preparation method thereof |
| CN108587521B (en) * | 2018-04-20 | 2020-01-21 | 无锡市健鼎包装技术有限公司 | Water-based coating heat-sealing adhesive for medical dialyzing paper and coating process thereof |
| CN110776852A (en) * | 2019-10-15 | 2020-02-11 | 东莞市成铭胶粘剂有限公司 | Hot melt adhesive for low-temperature coating medical dialyzing paper |
| CN113106785B (en) * | 2021-03-16 | 2022-05-17 | 华邦古楼新材料有限公司 | Heat-sealing self-adhesive dialyzing paper and preparation method thereof |
| CN113214761A (en) * | 2021-05-21 | 2021-08-06 | 恩平市盈嘉丰胶粘制品有限公司 | Hot melt adhesive for low-temperature coating medical dialyzing paper |
| CN114801384B (en) * | 2022-03-04 | 2023-09-26 | 金发科技股份有限公司 | Easily-stripped paper scrap-free heat-sealing film and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050208A (en) * | 1989-09-12 | 1991-03-27 | 浙江省化学工业研究所 | The composition of hot melt adhesive liquid, method for making and purposes |
| CN1759156A (en) * | 2003-02-14 | 2006-04-12 | 国家淀粉及化学投资控股公司 | Hot melt adhesive composition |
-
2011
- 2011-05-26 CN CN 201110138094 patent/CN102153968B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050208A (en) * | 1989-09-12 | 1991-03-27 | 浙江省化学工业研究所 | The composition of hot melt adhesive liquid, method for making and purposes |
| CN1759156A (en) * | 2003-02-14 | 2006-04-12 | 国家淀粉及化学投资控股公司 | Hot melt adhesive composition |
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| CN102153968A (en) | 2011-08-17 |
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Inventor after: Li Shuzhen Inventor after: Xie Feixiang Inventor before: Li Shuzhen Inventor before: Xie Feixiang |
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