CN202278800U - Modified polyvinyl alcohol plastic sheet for packaging toothpaste - Google Patents
Modified polyvinyl alcohol plastic sheet for packaging toothpaste Download PDFInfo
- Publication number
- CN202278800U CN202278800U CN2011204198812U CN201120419881U CN202278800U CN 202278800 U CN202278800 U CN 202278800U CN 2011204198812 U CN2011204198812 U CN 2011204198812U CN 201120419881 U CN201120419881 U CN 201120419881U CN 202278800 U CN202278800 U CN 202278800U
- Authority
- CN
- China
- Prior art keywords
- toothpaste
- polyvinyl alcohol
- plastic sheet
- modified polyvinyl
- packing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Application Of Or Painting With Fluid Materials (AREA)
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Abstract
The utility model relates to a modified polyvinyl alcohol plastic sheet for packaging toothpaste, belonging to a toothpaste packaging material. The surface of the polyvinyl plastic sheet is coated with a layer of modified polyvinyl alcohol high-barrier coating. The modified polyvinyl alcohol plastic sheet has the advantages that the structure is novel, the oxygen and humidity resistant performances are improved and the aims of guaranteeing the quality, retaining fragrance, moisturizing and preventing the toothpaste from being hardened are achieved.
Description
Technical field
The utility model belongs to a kind of toothpaste packing material.
Background technology
Toothpaste is the requisite articles for daily use of people, constantly strengthens in the toothpaste function, under the situation that kind is on the increase; The packing of toothpaste is also along with very big variation has taken place; China's toothpaste packing mainly adopted aluminum pipe before the eighties, and the beginning of the nineties is domestic applies plastic-aluminum combined hose packing; Except that Na Aisi toothpaste adopts overall plastic packing, all adopt aluminium plastic composite packaging now.The overall plastic packing that the Ace of receiving adopts is the flexible pipe of folder nylon layer, and the epidermis printing is inexquisite, and material is too hard, and feel is bad.Plastic-aluminum combined flexible pipe is owing to be afraid of the extruding distortion, and major part is contained in the box, though performance is good, has wasted a large amount of bauxite resources and paper resource.The inventor has invented a kind of modification hydrolysis high-molecular polyvinyl alcohol material, and it is to be processed by the raw material of following mass fraction and method: polyvinyl alcohol, the degree of polymerization 1500 ~ 2000, alcoholysis degree >=99%:8～12 part; 65～75 parts of pure water, 5～7 parts of sec-butyl alcohol or methyl alcohol, 0.2～0.25 part of organic titanate; 0.5～3 part of glycerine; 0.08～0.15 part of lauryl sodium sulfate, 2～4 parts of alkoxy silanes, 2～5 parts of melamine resins; Pure water is added in the agitated reactor of band reflux column, under stirring condition, under liquid level, add sec-butyl alcohol or methyl alcohol; The heating beginning; Polyvinyl alcohol is added in the agitated reactor from charge door slowly, when temperature rises to 45 ℃, heating rate 100 degree/hour, open reflux column Inlet and outlet water valve; When temperature rises to 98 ℃, heating rate 100 degree/hour, constant temperature stirs 100 rev/mins of 2 hours, mixing speed; After polyvinyl alcohol becomes solution, stop heating, open cooling water and draining valve, cooling under stirring condition, rate of temperature fall 100 degree/hour, when temperature was reduced to 45 ℃, closing volume tower water intaking valve when temperature is reduced to 32 ℃, stopped cooling; Under stirring condition, add alkoxy silane, melamine resin, organic titanate under the liquid level, stirs after 15 minutes, add glycerine and lauryl sodium sulfate down from liquid level, stir and stop stirring after 15 minutes, modification hydrolysis polyvinyl alcohol water solution is processed.
Summary of the invention
The utility model provides a kind of toothpaste packing to use the modified polyvinylalcohol plastic sheet, with solved waste that plastic-aluminum combined sheet material exists a large amount of bauxite resources and paper problem of resource.
The technical scheme that the utility model is taked is: the surfaces coated at the vinyon sheet material is covered with one deck modified polyvinylalcohol high-barrier coating.
The utility model advantage is a novel structure, has improved resistance oxygen, the moisture barrier property of the Flexible tube for toothpaste that sheet material processes, and reaches to guarantee the quality, protect perfume (or spice), preserve moisture, prevent the purpose that toothpaste hardens.Coating has splendid printing performance, can print bright and colourful pattern, and comfortable feel keeps smooth profile and distinct trade mark color, is a kind of transformation and innovation to traditional toothpaste industry external packing.This product not only can be used for the packing of toothpaste, also can be used for the fields such as packing of varieties of food items packing, cosmetic package, organic solvent packing, medical packaging, electronic component packing and textile.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Surfaces coated at vinyon sheet material 2 is covered with one deck modified polyvinylalcohol high-barrier coating 1.
Production method is following:
The vinyon sheet material is carried out surface corona handle, the wetting of surfaces tension force that makes this base material is more than or equal to 42 dyne.Adopt existing coating machine then, the polyvinyl alcohol water solution after coating modification on the qualified base material of moistened surface tension force, thickness is controlled at 0.5～8 μ m according to different performance requirements.Base material after the coating gets into dry drying tunnel; The temperature of dry drying tunnel each several part is: 70～80 ℃ of first warm areas; 80～100 ℃ of second warm areas, 90～150 ℃ of three-temperature-zones, be 0.5～5 minute drying time; The speed of service of base material is 50～150m/min, and dried material cools off, rolling.Be placed on then in 40 ℃～50 ℃ the curing chamber and carried out slaking 5～8 hours, at last the packing warehouse-in.
Claims (1)
1. a toothpaste packing is used the modified polyvinylalcohol plastic sheet, it is characterized in that: the surfaces coated at the vinyon sheet material is covered with one deck modified polyvinylalcohol high-barrier coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204198812U CN202278800U (en) | 2011-10-30 | 2011-10-30 | Modified polyvinyl alcohol plastic sheet for packaging toothpaste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204198812U CN202278800U (en) | 2011-10-30 | 2011-10-30 | Modified polyvinyl alcohol plastic sheet for packaging toothpaste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202278800U true CN202278800U (en) | 2012-06-20 |
Family
ID=46224980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204198812U Expired - Fee Related CN202278800U (en) | 2011-10-30 | 2011-10-30 | Modified polyvinyl alcohol plastic sheet for packaging toothpaste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202278800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774161A (en) * | 2014-12-19 | 2016-07-20 | 中国航天科工集团八五研究所 | Anti-UV transparent high-barrier diaphragm and preparation method thereof |
| CN107073851A (en) * | 2014-10-24 | 2017-08-18 | 高露洁-棕榄公司 | Tube preparation method and pipe |
-
2011
- 2011-10-30 CN CN2011204198812U patent/CN202278800U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107073851A (en) * | 2014-10-24 | 2017-08-18 | 高露洁-棕榄公司 | Tube preparation method and pipe |
| CN107073851B (en) * | 2014-10-24 | 2019-07-16 | 高露洁-棕榄公司 | Tube preparation method and pipe |
| US11148370B2 (en) | 2014-10-24 | 2021-10-19 | Colgate-Palmolive Company | Method of making a tube and tube |
| CN105774161A (en) * | 2014-12-19 | 2016-07-20 | 中国航天科工集团八五研究所 | Anti-UV transparent high-barrier diaphragm and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20141030 |
|
| EXPY | Termination of patent right or utility model |