CN1065666A - Farm weeding ground film - Google Patents
Farm weeding ground film Download PDFInfo
- Publication number
- CN1065666A CN1065666A CN 91102084 CN91102084A CN1065666A CN 1065666 A CN1065666 A CN 1065666A CN 91102084 CN91102084 CN 91102084 CN 91102084 A CN91102084 A CN 91102084A CN 1065666 A CN1065666 A CN 1065666A
- Authority
- CN
- China
- Prior art keywords
- film
- acetochlor
- agent
- weed removal
- mulch film
- 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.)
- Pending
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- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The present invention relates to a kind of farm weeding ground film, it is after acetochlor and auxiliary agent are mixed with masterbatch in proportion, again with Plastic Resin blend, fusion, extrude, blowing forms.Wherein, acetochlor is the weeding activity component, and its content in the finished product mulch film is 20～160 milligrams of/square metre mulch films.Because of its technology is simple, can scale operation on existing ground membrane production equipment, so easy to utilize.
Description
The present invention relates to a kind of farm weeding ground film, it also can be processed into Light ?lysis Film, Coloured film, anti-ageing film and nutrient film as required except that having weeding function.
In the existing farm weeding film working method, a kind of is to adopt spraying, coating or method such as bonding to make bilayer or multi-layer compound film, as disclosed a kind of compound weeding mulching film for farm use among the CN1033504A, it is basement membrane with the polyethylene film, with the Butachlor technical 92 is the weeding activity component, the employing coating method processes, this kind method is except that the complexity of technology own, also destroyed because of the horizontal molecular orientation of film in drying course is heated in stretching once more, cause film transverse mechanical strength degradation, influence the mechanize film coating operation.Another kind is that active constituent and resin are mixed, and adopts blow moulding to make the homogeneous film, do not find so far though technology is simple a kind of both high temperature resistant, again can with the mixed uniformly ideal activity component of resin, make this method fail suitability for industrialized production.
The objective of the invention is to select for use a kind of both unsuitable pyrolytic decomposition, can pass through the selected mixed uniformly weeding activity component of processing aid with Plastic Resin again, use existing technology, a kind of farm weeding ground film of device fabrication.
The present invention is to be base-material with Plastic Resin (as PE resin, PP resin, polyvinyl chloride resin), and selecting acetochlor for use is the weeding activity component, with itself and auxiliary agent be mixed with behind the masterbatch again with base-material blend, fusion by a certain percentage, extrude, blowing forms.
Above-mentioned each component ratio is: 100 parts of Plastic Resins, 0.25～8.72 part of acetochlor, 0.4～2.0 part of auxiliary agent.
The sustained release agent (emulsifying agent that the chemical plant, Kunshan produces) that also can add 0.04～0.44 part in the above-mentioned masterbatch is to control the release rate of weeding activity component.
Above-mentioned auxiliary agent comprises lubricant class processing aid (as amine hydroxybenzene, calcium stearate, paraffin) and dispersion agent class processing aid (as white oil, carbon black, silicon-dioxide).
In addition, can select to add an amount of following one or more components such as light-sensitive catalyst, biodegradation agent, tinting material, antiaging agent, trace element and plant growth regulator contain weeding function with manufacturing Light ?lysis Film, Coloured film, anti-ageing film and nutrient film as required.
Farm weeding ground film of the present invention, owing to select for use this material not volatile, that be difficult for photodissociation, stable in properties of acetochlor to do the weeding activity component, and realized mixing uniformly, thereby solved the problem that blend for a long time-blow moulding exists with Plastic Resin by selected auxiliary agent.The production technique of this film is simple, can utilize existing ground membrane production equipment to carry out large-scale industrial production, and be regardless of positive and negative two sides because of this film is the same with normal film, does not need particular requirement in the film coating operation process.Can be applicable to farm crop such as cotton, corn, soybean, peanut, rape, be convenient to large-scale promotion application.
The present invention will be further described below in conjunction with embodiment:
1, PE resin double centner
50% acetochlor solution 1765.4 grams
Oleic acid is washed amine 200 grams
Secondary calcium phosphate 200 grams
The thickness that makes 60 milligrams of acetochlor/every square metre of mulch films through blend extrusion-blown modling is 0.007 millimeter weed removal mulch film.
2, PE resin double centner
50% acetochlor solution 1765.4 grams
Calcium stearate 300 grams
Dihydro silicon 200 grams
Release control agent 176.5 grams
The thickness that makes 60 milligrams of acetochlor/every square metre of mulch films through blend extrusion-blown modling is 0.007 millimeter controlled weed removal mulch film.
3, PE resin double centner
50% acetochlor solution 2648.1 grams
Amine hydroxybenzene 200 grams
Secondary calcium phosphate 200 grams
Release control agent 196 grams
ET light-sensitive catalyst (the organic institute in Chinese Academy of Sciences Shanghai provides) 50 grams
The thickness that makes 90 milligrams of acetochlor/every square metre of mulch films through blend extrusion-blown modling is 0.007 millimeter photodegradative herbicidal plastic film
Claims (6)
1, a kind of is the farm weeding ground film of base-material with the Plastic Resin, after it is characterized in that acetochlor and auxiliary agent be mixed with masterbatch by a certain percentage, again with base-material blend, fusion, extrude, blowing forms.
2, weed removal mulch film as claimed in claim 1 is characterized in that the ratio of each component is: 100 parts of Plastic Resins, 0.25～8.72 part of acetochlor, 0.4～2.0 part of auxiliary agent.
3, weed removal mulch film as claimed in claim 1 or 2 is characterized in that adding in the masterbatch 0.04～0.44 part sustained release agent.
4, weed removal mulch film as claimed in claim 1 is characterized in that said auxiliary agent comprises lubricant class processing aid and dispersion agent class processing aid.
5,, it is characterized in that also can selecting to add an amount of following one or more components: light-sensitive catalyst, biodegradation agent, tinting material, antiaging agent, trace element, plant growth regulator as claim 1 or 3 described weed removal mulch films.
6, weed removal mulch film as claimed in claim 1, the content that it is characterized in that weeding activity component acetochlor in the finished product mulch film are 20～160 milligrams of/square metre mulch films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91102084 CN1065666A (en) | 1991-03-11 | 1991-03-11 | Farm weeding ground film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91102084 CN1065666A (en) | 1991-03-11 | 1991-03-11 | Farm weeding ground film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1065666A true CN1065666A (en) | 1992-10-28 |
Family
ID=4905403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91102084 Pending CN1065666A (en) | 1991-03-11 | 1991-03-11 | Farm weeding ground film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1065666A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850624A (en) * | 2012-08-28 | 2013-01-02 | 胡常俭 | Agricultural polyethylene herbicidal plastic film and preparation process thereof |
| CN102888040A (en) * | 2012-10-18 | 2013-01-23 | 云南云蔗科技开发有限公司 | Weeding mulching film specialized for sugarcanes |
| CN103828662A (en) * | 2012-11-27 | 2014-06-04 | 新疆天业（集团）有限公司 | Weed-killing mulching film special for under-mulch drip irrigation rice cropping and production method of weed-killing mulching film special for under-mulch drip irrigation rice cropping |
-
1991
- 1991-03-11 CN CN 91102084 patent/CN1065666A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850624A (en) * | 2012-08-28 | 2013-01-02 | 胡常俭 | Agricultural polyethylene herbicidal plastic film and preparation process thereof |
| CN102850624B (en) * | 2012-08-28 | 2014-10-01 | 胡常俭 | Agricultural polyethylene herbicidal plastic film and preparation process thereof |
| CN102888040A (en) * | 2012-10-18 | 2013-01-23 | 云南云蔗科技开发有限公司 | Weeding mulching film specialized for sugarcanes |
| CN103828662A (en) * | 2012-11-27 | 2014-06-04 | 新疆天业（集团）有限公司 | Weed-killing mulching film special for under-mulch drip irrigation rice cropping and production method of weed-killing mulching film special for under-mulch drip irrigation rice cropping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |