CN101081556A - Durable long-acting dripping-free polyester PET thin film - Google Patents
Durable long-acting dripping-free polyester PET thin film Download PDFInfo
- Publication number
- CN101081556A CN101081556A CNA2007100435183A CN200710043518A CN101081556A CN 101081556 A CN101081556 A CN 101081556A CN A2007100435183 A CNA2007100435183 A CN A2007100435183A CN 200710043518 A CN200710043518 A CN 200710043518A CN 101081556 A CN101081556 A CN 101081556A
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- CN
- China
- Prior art keywords
- thin film
- polyester pet
- pet thin
- film
- durable long
- 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.)
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The present invention relates to plastic film, and is especially one kind of durable anti-fogging PET film, which includes one 0.012-0.50 mm thick PET film layer, one polyurethane or fluorocarbon coating on one side of the PET film layer, and one PVA film layer adhered with double component adhesive comprising polyurethane and polyisocyanate onto the other side. It is used as agricultural film, and has long service life and no fogging.
Description
Technical field:
The invention relates to plastic sheeting, especially a kind of uvioresistant durable long-acting dripping-free polyester PET agricultural film.
Background technology:
In recent years, the modern installations agricultural of China has obtained vigorous growth, and wherein facilities horticulture is a big power consumer, and in facilities horticulture, agricultural plastic film then is a kind of important horticultural facility material, is usually used in covering booth with the instead of glass greenhouse.Agricultural plastic film mostly is polythene PE film or polyvinylchloride film at present.For the water droplet damage to crops that prevents that hot house from producing because of day and night temperature, and the anti-droplet layer that coating aluminium ester is on above-mentioned PE film or PVC film, or use the PE, the PVC plastic master batch that add dripping inhibitor to make film, it is so-called antidrip film, but the service life of this antidrip film is short, no longer than 2 years was not that anti-droplet layer is ineffective, and being exactly that film is aging breaks.In addition, PE or PVC agricultural film also are everlasting and are added age resister or anti ultraviolet agent in the plastics material masterbatch to strengthen its anti-aging and anti-ultraviolet property.Because the service life of present agricultural plastic film is short, cause the cost of facilities horticulture to increase, be admitted facts.
Summary of the invention:
The object of the present invention is to provide a kind of durable long-acting dripping-free polyester PET thin film, be intended to solve its service life, keep the technical problem of durable long-acting dripping-free.
The technical scheme that the present invention solves the problems of the technologies described above is:
A kind of durable long-acting dripping-free polyester PET thin film, comprise the polyester PET thin film that thickness is 0.012～0.50mm, it is characterized in that: simultaneously be coated with polyurethane or fluororine-carbon coating in this polyester PET thin film, covered the PVAC polyvinylalcohol plastic sheeting with polyurethane and isocyanates two-component adhesive in this polyester PET thin film another side.
Further, it is characterized in that: this PET film is the plastic sheeting that is added with or is not added with hindered amines uvioresistant auxiliary agent.
Further again, it is characterized in that: the thickness of the film of these PVAC polyvinylalcohol plastics is 0.012～0.05mm.
Further, it is characterized in that: the thickness of this polyurethane or fluororine-carbon coating is 5～20 μ.
The present invention has following beneficial effect:
1. long service life, the ageing-resistant performance of uvioresistant of the present invention with polyurethane coating can reach 3 years, has reach 5 years of fluororine-carbon coating, with adding then can reaching about 8 years of hindered amines uvioresistant auxiliary agent.Can greatly reduce the cost of facility for this reason.
2. the present invention utilizes the big PVAC polyvinylalcohol plastic sheeting of hydrophily as the nexine towards booth inside, it not only light transmission, heat-insulation and heat-preservation and acid resistance well outside, also have the good anti-performance that hazes.Because the performance that should anti-haze is by the hydrophily decision of its material itself, rather than relies on and add that the antidrip auxiliary agent that adds in coating or the material forms, so the present invention can not produce droplet, it does not have function durable long-acting.
3. the present invention utilizes the PET film to make skeleton, has overcome the defective of monolayer polyethylene alcohol PVA film shape poor stability dexterously, makes it have stable profile.
Description of drawings:
Fig. 1 is a cross-sectional view of the present invention.
The specific embodiment:
See also shown in Figure 1ly, the present invention is coated with polyurethane or fluororine-carbon coating 1 for the one side at common high light polyester PET (PET) film 2 of thickness 0.012～0.50mm, and the thickness of this polyurethane or fluororine-carbon coating 1 is 5～20 μ; Another side at this common high light polyester PET thin film 2 has covered PVAC polyvinylalcohol plastic sheeting 3 with polyurethane and isocyanates two-component adhesive, and the thickness of this PVAC polyvinylalcohol plastic sheeting 3 is 0.012～0.05mm.
The present invention utilizes the good hydrophilicity of PVAC polyvinylalcohol plastic sheeting 3, has under the condition of the temperature difference, and its surface can be because of condensation produces water droplet, so that not influence the growth of plant.The function that this nothing is dripped is that its material itself has, and is not to be formed by additive in the material or auxiliary agent, therefore this nothing function not in time passing and go down, be durable long-acting.In addition, this PVAC polyvinylalcohol plastic sheeting 3 also has good printing opacity, heat-insulation and heat-preservation, acid resistance.But the shape stability of this PVAC polyvinylalcohol plastic sheeting 3 is poor; for overcoming PVAC polyvinylalcohol plastic sheeting 3 these weak points; the present invention, is coated with on these common high light PET film 2 surfaces with very thin one deck polyurethane or fluorocarbon coating 1 to do the protection of ultra-violet radiation resisting as skeleton in addition with the common high light polyester PET thin film 2 that has the good and high dimensional stability performance of light transmission equally again.The present invention be through can reaching 3～5 years by the film gasproof of ASTMG53-88 standard code its life-span of anti-aging measurement of test method of awaiting the honour of your presence, far above general plastic sheeting promptly aging service life about 2 years.
The present invention can also use the high light PET of the uvioresistant that is added with hindered amines ultraviolet-resistant aid film to substitute above-mentioned common high light PET film 2, so, just strengthened antiageing effect of the present invention, through pressing the test measurement method of ASTMG53-88 standard, to this surface layer is polyurethane or fluorine carbon 1, middle for the high light PET of uvioresistant film 2, bottom are the mensuration of the compound of the bonding PVAC polyvinylalcohol plastic sheeting 3 of usefulness polyurethane and isocyanates dual-component binder, and its ageing resistace was about 8 years.Well beyond the aging-resistant performance of existing general plastics.
Claims (5)
1, a kind of durable long-acting dripping-free polyester PET thin film, comprise the polyester PET thin film that thickness is 0.012～0.50mm, it is characterized in that: simultaneously be coated with polyurethane or fluororine-carbon coating in this polyester PET thin film, covered the PVAC polyvinylalcohol plastic sheeting with polyurethane and isocyanates two-component adhesive in this polyester PET thin film another side.
2, durable long-acting dripping-free polyester PET thin film according to claim 1 is characterized in that: this PET film is the plastic sheeting that is added with or is not added with hindered amines uvioresistant auxiliary agent.
3, durable long-acting dripping-free polyester PET thin film according to claim 1 is characterized in that: the thickness of the film of these PVAC polyvinylalcohol plastics is 0.012～0.05mm.
4, durable long-acting dripping-free polyester PET thin film according to claim 2 is characterized in that: the thickness of the film of these PVAC polyvinylalcohol plastics is 0.012～0.05mm.
5, according to claim 1 or 2 or 3 or 4 described durable long-acting dripping-free polyester PET thin films, it is characterized in that: the thickness of this polyurethane or fluororine-carbon coating is 5～20 μ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100435183A CN101081556A (en) | 2007-07-06 | 2007-07-06 | Durable long-acting dripping-free polyester PET thin film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100435183A CN101081556A (en) | 2007-07-06 | 2007-07-06 | Durable long-acting dripping-free polyester PET thin film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101081556A true CN101081556A (en) | 2007-12-05 |
Family
ID=38911443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100435183A Pending CN101081556A (en) | 2007-07-06 | 2007-07-06 | Durable long-acting dripping-free polyester PET thin film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101081556A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968192A (en) * | 2013-02-27 | 2015-10-07 | C.I.化成株式会社 | Method for manufacturing agricultural film, and agricultural film |
| CN108521705A (en) * | 2018-05-23 | 2018-09-11 | 芜湖琅格信息技术有限公司 | A kind of wired home lighting system |
| CN108934600A (en) * | 2018-06-12 | 2018-12-07 | 余杰 | A kind of anti-droplet greenhouse structure |
-
2007
- 2007-07-06 CN CNA2007100435183A patent/CN101081556A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968192A (en) * | 2013-02-27 | 2015-10-07 | C.I.化成株式会社 | Method for manufacturing agricultural film, and agricultural film |
| CN104968192B (en) * | 2013-02-27 | 2019-03-08 | 日本他喜龙希爱株式会社 | The manufacturing method and agricultural film of agricultural film |
| CN108521705A (en) * | 2018-05-23 | 2018-09-11 | 芜湖琅格信息技术有限公司 | A kind of wired home lighting system |
| CN108934600A (en) * | 2018-06-12 | 2018-12-07 | 余杰 | A kind of anti-droplet greenhouse structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20071205 |