CN102675725A - Special black weed-removal mulching film for traditional Chinese medicinal materials - Google Patents
Special black weed-removal mulching film for traditional Chinese medicinal materials Download PDFInfo
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- CN102675725A CN102675725A CN2012101553972A CN201210155397A CN102675725A CN 102675725 A CN102675725 A CN 102675725A CN 2012101553972 A CN2012101553972 A CN 2012101553972A CN 201210155397 A CN201210155397 A CN 201210155397A CN 102675725 A CN102675725 A CN 102675725A
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Abstract
The invention relates to a special black weed-removal mulching film for traditional Chinese medicinal materials, which is manufactured by the following raw materials according to weight percent: 35 to 45 percent of linear low-density polyethylene (LLDPE), 6 to 15 percent of low-density polyethylene (LDPE), 5 to 12 percent of high-density polyethylene (HDPE), 15 to 27 percent of metallocene polyethylene (mPE), 8 to 12 percent of black mother stock and 6 to 15 percent of functional mother stock of a special film for traditional Chinese medicinal materials. The service life of the special black weed-removal mulching film for the traditional Chinese medicinal materials can reach more than 12 months, and the problems of short service life and easy aging of a traditional common black mulching film are solved. The service life of the special black weed-removal mulching film for the traditional Chinese medicinal materials is more than 4 times of the service life of the traditional common black mulching film, and the functional effects of covering medicinal materials at the entire period of development, growth and maturity, collecting rain, preserving soil moisture, preserving heat and preventing weed are ensured. Moreover, the special black weed-removal mulching film for the traditional Chinese medicinal materials is also easy to recover and is a pollution-free product which is friendly to the environment, and the ecological environment is effectively protected.
Description
Technical field
The present invention relates to a kind of agricultural ground coating film, relate in particular to a kind of special-purpose black weed removal mulch film of Chinese medicinal materials that is applicable to the Chinese medicinal materials plantation.
Background technology
Chinese medicinal materials is important cash crop, also is the basic data that guarantees that people's life is healthy, greatly develops and promote the plantation of Chinese medicinal materials, has important practical significance to promoting the people's livelihood and harmony.The Chinese medicinal materials industry is one of Gansu Province's industry of having comparative advantages and development potentiality in the whole nation.2009,247.78 ten thousand mu of the whole province's Chinese medicinal materials cultivated areas, 50.36 ten thousand tons of output, 31.03 hundred million yuan of the output values.There is Chinese medicinal materials production in more than 70 counties and districts of 14 cities and counties of the whole province, and the major production areas concentrates on Dingxi, south of Gansu Province two cities.Gansu Province has given powerful support to the tcm-industry of development the whole province, and the peasant of the whole province's plantation medicinal material has progressively realized increase wealth through stdn plantation, the large-scale planting of medicinal material.But existing black mulch film commonly used has only about 80 days work-ing life, is difficult to again reclaim fully after wearing out, and has progressively formed large-area pollution, and these principles and policies with the central Sustainable development of advocating, energy-saving and emission-reduction, harmonious development are incompatible.
Summary of the invention
For solving the problems of the prior art, the present invention provides a kind of Chinese medicinal materials special-purpose black weed removal mulch film, can reach its work-ing life more than 12 months, can reduce the mulch film investment thus, reduce agriculture production cost.And guarantee that the whole growth of covering medicinal material, growth, ripening stage collection rain preserve soil moisture, are incubated, prevent the functional effect of weeds.
For this reason, take following technical scheme:
The special-purpose black weed removal mulch film of a kind of Chinese medicinal materials is to be processed by following raw materials by weight percent: LLDPE 35%-45%, LDPE 6%-15%, HDPE 5%-12%, mPE 15%-27%, black masterbatch 8%-12%, the special-purpose film functional master batch of Chinese medicinal materials 6%-15%; The special-purpose film functional master batch of described Chinese medicinal materials is processed by following raw materials by weight percent: LLDPE powder 40%-60%, LDPE 5%-12%, HDPE powder 5%-12%; MPE 5%-15%, hindered amine as light stabilizer 4%-12%, inhibitor 1.5%-3.5%; UV light absorber 1.5%-3.5%; Dispersion agent Triple Pressed Stearic Acid 1.5%-4.0%, polyethylene of dispersing agent wax 1.5%-4.0%, weedicide acetochlor 2%-8%.
Can reach more than 12 months work-ing life of the present invention; It is short work-ing life to have solved existing common unregistered land film; Being prone to the aged problem, is more than 4 times of existing common unregistered land film work-ing life, guarantees to cover the functional effect of the whole growth of medicinal material, growth, ripening stage collection rain soil moisture conservation, insulation, anti-weeds.But also be to be easy to reclaim, environment amenable pollution-free product has effectively been protected ecotope.
The present invention also has following distinguishing feature in the Chinese medicinal materials culture underglass:
But cut weeds; Reduce farming: because of the present invention has added the high effect nontoxic weedicide and has been black, it has the photosynthesis of soil weeds under the good block film, and that suppresses and pull up weeds grows; Prevent the loss of Chinese medicinal materials desired nutritional composition, reduce field weeding farming labour intensity simultaneously.The effect of increasing income is remarkable: adopt the mulching specially used culture underglass Chinese medicinal materials of black weeding, because the function of its useful soil moisture conservation, insulation temperature adjustment, weeding, herbicidal effect reaches more than 95%.General comparable open country raising the output is more than 50%, and bulk footpath rate improves about 30%, and about 10-20 days in advance ripe.
The generation of prevention and elimination of disease and pests: the special-purpose black weed removal mulch film of Chinese medicinal materials culture underglass has the incidence that reduces mashed root, lopsided stem tuber, simultaneously because the adjusting of the soil moisture and illumination under the film, makes some insect pest adaptation of can't surviving, the generation of minimizing and prevention and elimination of disease and pests.
The present invention is applicable to severe cold areas, arid, semiarid zone, and the gradient is bigger, the Chinese medicinal materials culture underglass when temperature is low; Can plant Chinese medicinal materialss such as Radix Angelicae Sinensis, Radix Codonopsis, the Radix Astragali, radix bupleuri.
Use cultivation mode of the present invention: adopt autumn or spring full film coverage double furrow broadcast technology, but sowing must be planted on the ridge face.The shop during film film to strain, be adjacent to ground, the film on ridge head and limit, ridge will be imbedded in the soil about 10 centimetres; And bury with soil and to press sternly, reality tramps with one's feet. the main points of epiphragma GPRS " tight, tight, flat, wide ", and promptly the limit will be pressed sternly; Film will cover tightly, and face will be put down, and meeting light is wide.For preventing that film from being uncovered by wind, can be every at a distance from 1-2 rice on face, do a low bank of earth between fields.Elder generation is sowed behind the epiphragma, can be behind the film of shop begins sowing after temperature rises in several days ridges.Dig the cave with plant seedlings for a short time shovel or special drilling tool rupture of membranes, the cave is not too big, and the cave is apart from 24～26 centimetres, and the degree of depth is 8 centimetres, and it is consistent that the depth is wanted.After sowing the seed kind, cover completely with wet soil, and pat, seal fenestra, do not divulged a secret in the hole.The planting technology that this full film covers is effectively utilized autumn and winter precipitation snowfall before Chinese medicinal materials sowing in the beginning of spring, accumulate moisture; Preserving soil moisture is incubated, and solves the natural situation of the arid of sowing in spring, and the weeding of employing black is mulching specially used increases soil moisture 3-5 ℃ than open country; And make under the film soil moisture not because of the big variation of outside air temperature changes, and kept stable, ambient light is according to strong; The resistance interception of black when temperature is high; Prevent the rising of the soil moisture under the film, liked growing of cool crop Chinese medicinal materials when being suitable for high temperature, had the thermoregulated function of insulation.
Main physical properties test-results of the present invention is seen table 1 and table 2, and the product of wherein getting different batches is respectively as test objective 1#, 2#, 3#.
Table 1: initial physical mechanical property
Can know that from table 1 physical and mechanical properties of the present invention all meets GB GB13735-92 III class premium grads rank, the quality index tool is good.
Table 2: different time physical and mechanical properties and retention rate are used in the land for growing field crops:
Can know that from table 2 each index retention rate all keeps better, has played functional effect in mulch film uses.Film can not protect secondary to use during the Chinese medicinal materials results, and at this moment, each physical and mechanical properties retention rate helps removing and reclaims, the protection environment more than 50%.
Embodiment
Embodiment 1, the special-purpose black weed removal mulch film of a kind of Chinese medicinal materials, and be to be processed by following raw materials by weight percent: LLDPE 40%, and LDPE 10%, and HDPE 8%, and mPE 22%, black masterbatch 10%, the special-purpose film functional master batch 10% of Chinese medicinal materials.
Embodiment 2, the special-purpose black weed removal mulch film of a kind of Chinese medicinal materials, and be to be processed by following raw materials by weight percent: LLDPE 35%, and LDPE 15%, and HDPE 10%, and mPE 25%, black masterbatch 9%, the special-purpose film functional master batch 6% of Chinese medicinal materials.
Embodiment 3, the special-purpose black weed removal mulch film of a kind of Chinese medicinal materials, and be to be processed by following raw materials by weight percent: LLDPE 38%, and LDPE 12%, and HDPE 12%, and mPE 18%, black masterbatch 12%, the special-purpose film functional master batch 8% of Chinese medicinal materials.
Embodiment 4, the special-purpose black weed removal mulch film of a kind of Chinese medicinal materials, and be to be processed by following raw materials by weight percent: LLDPE 42%, and LDPE 6%, and HDPE 5%, and mPE 27%, black masterbatch 8%, the special-purpose film functional master batch 12% of Chinese medicinal materials.
Embodiment 5, the special-purpose black weed removal mulch film of a kind of Chinese medicinal materials, and be to be processed by following raw materials by weight percent: LLDPE 45%, and LDPE 8%, and HDPE 6%, and mPE 15%, black masterbatch 11%, the special-purpose film functional master batch 15% of Chinese medicinal materials.
All raw materials described in the foregoing description 1-5 all can be buied from disclosed market, and it mainly adopts:
LLDPE particulate melt flow rate(MFR) g/10min is 2.0-3.0, as: 7042,7042N;
The melt flow rate(MFR) g/10min of LDPE is 1.0-2.5, as: 2426H etc.;
HDPE particulate melt flow rate(MFR) g/10min is 1.0-2.0, as: 5000S etc.;
The melt flow rate(MFR) g/10min of mPE is 1.0-2.0, as: the strange 1810CA etc. that gets of the dust of Exxon Mobil;
The melt flow rate(MFR) g/10min of black masterbatch is 2.0-4.0, like Cabot 2772/2762 etc.;
The proportioning 1:LLDPE powder 52% of the special-purpose film functional master batch of the Chinese medicinal materials described in the embodiment 1-5, LDPE 7.5%, HDPE powder 7.5%; MPE 10%, hindered amine as light stabilizer 8%, inhibitor 2.5%; UV light absorber 2.5%; Dispersion agent Triple Pressed Stearic Acid 2.5%, polyethylene of dispersing agent wax 2.5%, weedicide acetochlor 5%.
The proportioning 2:LLDPE powder 40% of the special-purpose film functional master batch of the Chinese medicinal materials described in the embodiment 1-5, LDPE 12%, HDPE powder 12%; MPE 15%, hindered amine as light stabilizer 11%, inhibitor 1.5%; UV light absorber 3.5%; Dispersion agent Triple Pressed Stearic Acid 1.5%, polyethylene of dispersing agent wax 1.5%, weedicide acetochlor 2%.
The proportioning 3:LLDPE powder 45% of the special-purpose film functional master batch of the Chinese medicinal materials described in the embodiment 1-5, LDPE 10%, HDPE powder 10%; MPE 12%, hindered amine as light stabilizer 4%, inhibitor 3.5%; UV light absorber 1.5%; Dispersion agent Triple Pressed Stearic Acid 4%, polyethylene of dispersing agent wax 2%, weedicide acetochlor 8%.
The proportioning 4:LLDPE powder 56% of the special-purpose film functional master batch of the Chinese medicinal materials described in the embodiment 1-5, LDPE 6.5%, HDPE powder 6.5%; MPE 5%, hindered amine as light stabilizer 12%, inhibitor 2%; UV light absorber 3%; Dispersion agent Triple Pressed Stearic Acid 2%, polyethylene of dispersing agent wax 3%, weedicide acetochlor 4%.
The proportioning 5:LLDPE powder 60% of the special-purpose film functional master batch of the Chinese medicinal materials described in the embodiment 1-5, LDPE 5%, HDPE powder 5%; MPE 8%, hindered amine as light stabilizer 6%, inhibitor 3%; UV light absorber 2%; Dispersion agent Triple Pressed Stearic Acid 3%, polyethylene of dispersing agent wax 2%, weedicide acetochlor 6%.
All raw materials described in the special-purpose film functional master batch of the above-mentioned Chinese medicinal materials proportioning 1-5 all can be buied from disclosed market, and it mainly adopts:
The melt flow rate(MFR) g/10min of LLDPE powder is 2.0-3.0, as: 7042/7042H/7042N etc.;
The melt flow rate(MFR) g/10min of LDPE is 2.0-3.5, as: 24206F/2240H/2420H etc.;
The melt flow rate(MFR) g/10min of HDPE powder is 1.5-2.0;
The melt flow rate(MFR) g/10min of mPE is 1.5-2.0, as: the 1018CA/2010CH of Exxon Mobil etc.;
The preparation method of above-mentioned each embodiment is that the technical process of blown film production is:
The preparation of the special-purpose film functional master batch of said Chinese medicinal materials: each component of the special-purpose film functional master batch of said Chinese medicinal materials is extruded tie rod → oven dry → pelletizing by the even high-speed stirring kneading → plasticizing of its proportioning get the special-purpose film functional master batch of Chinese medicinal materials; Afterwards with the special-purpose film functional master batch of the Chinese medicinal materials of gained and described LLDPE, LDPE, HDPE, mPE 、 ?masterbatch by said mixed → plastify → extrude → inflation → drawing-off → cool off → cut → rolling → check → packing → warehouse-in.
The main technologic parameters of said blown film production is seen table 3.
Specification of the present invention: wide 700-1400mm, thickness are 0.095～0.014 millimeter, and per 667 square metres (1 mus) are with 4～8 kilograms of films.
Table 3: the main technologic parameters that blown film is produced:
Claims (5)
1. the special-purpose black weed removal mulch film of Chinese medicinal materials is characterized in that being processed by following raw materials by weight percent: LLDPE 35%-45%, LDPE 6%-15%, HDPE 5%-12%, mPE 15%-27%, black masterbatch 8%-12%, the special-purpose film functional master batch of Chinese medicinal materials 6%-15%; The special-purpose film functional master batch of described Chinese medicinal materials is processed by following raw materials by weight percent: LLDPE powder 40%-60%, LDPE 5%-12%, HDPE powder 5%-12%; MPE 5%-15%, hindered amine as light stabilizer 4%-12%, inhibitor 1.5%-3.5%; UV light absorber 1.5%-3.5%; Dispersion agent Triple Pressed Stearic Acid 1.5%-4.0%, polyethylene of dispersing agent wax 1.5%-4.0%, weedicide acetochlor 2%-8%.
2. the special-purpose black weed removal mulch film of a kind of Chinese medicinal materials according to claim 1 is characterized in that being processed by following raw materials by weight percent: LLDPE 38%-42%, LDPE 8%-12%; HDPE 6%-10%; MPE 18%-25%, black masterbatch 9%-11%, the special-purpose film functional master batch of Chinese medicinal materials 8%-12%; The special-purpose film functional master batch of described Chinese medicinal materials is processed by following raw materials by weight percent: LLDPE powder 40%-60%, LDPE 5%-12%, HDPE powder 5%-12%; MPE 5%-15%, hindered amine as light stabilizer 4%-12%, inhibitor 1.5%-3.5%; UV light absorber 1.5%-3.5%; Dispersion agent Triple Pressed Stearic Acid 1.5%-4.0%, polyethylene of dispersing agent wax 1.5%-4.0%, weedicide acetochlor 2%-8%.
3. the special-purpose black weed removal mulch film of a kind of Chinese medicinal materials according to claim 1, it is characterized in that being processed by following raw materials by weight percent: LLDPE 40%, and LDPE 10%, and HDPE 8%, and mPE 22%, black masterbatch 10%, the special-purpose film functional master batch 10% of Chinese medicinal materials; The special-purpose film functional master batch of described Chinese medicinal materials is processed by following raw materials by weight percent: LLDPE powder 40%-60%, LDPE 5%-12%, HDPE powder 5%-12%; MPE 5%-15%, hindered amine as light stabilizer 4%-12%, inhibitor 1.5%-3.5%; UV light absorber 1.5%-3.5%; Dispersion agent Triple Pressed Stearic Acid 1.5%-4.0%, polyethylene of dispersing agent wax 1.5%-4.0%, weedicide acetochlor 2%-8%.
4. according to special-purpose black weed removal mulch film of each described a kind of Chinese medicinal materials among the claim 1-3, it is characterized in that the special-purpose film functional master batch of described Chinese medicinal materials processed by following raw materials by weight percent: LLDPE powder 45%-56%, LDPE 6.5%-10%; HDPE powder 6.5%-10%, mPE 8%-12%, hindered amine as light stabilizer 6%-11%; Inhibitor 2%-3%, UV light absorber 2%-3%, dispersion agent Triple Pressed Stearic Acid 2%-3%; Polyethylene of dispersing agent wax 2%-3%, weedicide acetochlor 4%-6%.
5. according to special-purpose black weed removal mulch film of each described a kind of Chinese medicinal materials among the claim 1-3, it is characterized in that the special-purpose film functional master batch of described Chinese medicinal materials processed by following raw materials by weight percent: LLDPE powder 52%, LDPE 7.5%; HDPE powder 7.5%, mPE 10%, hindered amine as light stabilizer 8%; Inhibitor 2.5%, UV light absorber 2.5%, dispersion agent Triple Pressed Stearic Acid 2.5%; Polyethylene of dispersing agent wax 2.5%, weedicide acetochlor 5%.
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| CN 201210155397 CN102675725B (en) | 2012-05-18 | 2012-05-18 | Special black weed-removal mulching film for traditional Chinese medicinal materials |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104341672A (en) * | 2014-10-11 | 2015-02-11 | 甘肃振海塑业有限责任公司 | Special weeding film for fruit trees and preparation process of special weeding film |
| CN105330949A (en) * | 2015-12-14 | 2016-02-17 | 民勤县邦德贸易有限公司 | Black functional master batch for synthesizing plastic mulch film and preparation method of black functional master batch |
| CN107969436A (en) * | 2016-10-21 | 2018-05-01 | 曾亮维 | Composition for controlling weeds and method for controlling weeds |
| CN109247162A (en) * | 2018-09-10 | 2019-01-22 | 宁波东钱湖旅游度假区红斛家庭农场 | A kind of the radix tetrastigme culture apparatus and its design method of anti-weeds |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103832A (en) * | 1993-12-16 | 1995-06-21 | 蔡永海 | Process for producing very thin field film for weed killing |
| CN1502654A (en) * | 2002-11-26 | 2004-06-09 | 新疆天业（集团）有限公司 | Nano material modified polythene ground covering film |
-
2012
- 2012-05-18 CN CN 201210155397 patent/CN102675725B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103832A (en) * | 1993-12-16 | 1995-06-21 | 蔡永海 | Process for producing very thin field film for weed killing |
| CN1502654A (en) * | 2002-11-26 | 2004-06-09 | 新疆天业（集团）有限公司 | Nano material modified polythene ground covering film |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104341672A (en) * | 2014-10-11 | 2015-02-11 | 甘肃振海塑业有限责任公司 | Special weeding film for fruit trees and preparation process of special weeding film |
| CN105330949A (en) * | 2015-12-14 | 2016-02-17 | 民勤县邦德贸易有限公司 | Black functional master batch for synthesizing plastic mulch film and preparation method of black functional master batch |
| CN107969436A (en) * | 2016-10-21 | 2018-05-01 | 曾亮维 | Composition for controlling weeds and method for controlling weeds |
| CN109247162A (en) * | 2018-09-10 | 2019-01-22 | 宁波东钱湖旅游度假区红斛家庭农场 | A kind of the radix tetrastigme culture apparatus and its design method of anti-weeds |
| CN109247162B (en) * | 2018-09-10 | 2021-05-25 | 宁波东钱湖旅游度假区红斛家庭农场 | Weed-preventing radix tetrastigme cultivation device and design method thereof |
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Address after: The lotus Pavilion Road 741000 Gansu province Tianshui District No. 47 Patentee after: Gansu Tianbao Plastic Co., Ltd. Address before: The lotus Pavilion Road 741000 Gansu province Tianshui District No. 47 Patentee before: Tianshui Tianbao Plastic Co.,Ltd. |