CN104231497A - Polyvinylidene fluoride (PVDF) agricultural plastic colored mulching film and manufacturing method thereof - Google Patents
Polyvinylidene fluoride (PVDF) agricultural plastic colored mulching film and manufacturing method thereof Download PDFInfo
- Publication number
- CN104231497A CN104231497A CN201410464551.3A CN201410464551A CN104231497A CN 104231497 A CN104231497 A CN 104231497A CN 201410464551 A CN201410464551 A CN 201410464551A CN 104231497 A CN104231497 A CN 104231497A
- Authority
- CN
- China
- Prior art keywords
- vinylidene fluoride
- poly
- agripast
- painted
- 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
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a polyvinylidene fluoride (PVDF) agricultural plastic colored mulching film. The PVDF agricultural plastic colored mulching film contains the following components in percentage by weight: 50%-80% of PVDF resin, 10%-40% of PMMA (polymethylmethacrylate) resin, 0.05%-15% of pigment, 0.1%-3% of light stabilizer, 0-3% of heat stabilizer and 0.05%-3% of dispersant. The manufacturing method of the mulching film comprises the following steps: (1) performing high-speed stirring on components after pre-drying treatment at the temperature of 80 DEG C-100 DEG C for 30min, and then cooling to 45 DEG C to obtain a special dry blend; (2) performing extrusion and granulation on the obtained dry blend by a twin-screw extruder at the temperature of 170 DEG C-210 DEG C; and (3) adding master batches into a single-screw extruder for plasticization and extrusion, performing tape casting on a melt by a clothes hanger type mold head for forming a film, and further cooling, drawing and coiling by double rollers to obtain the PVDF agricultural plastic colored mulching film. The mulching film has relatively good mechanical properties and weather resistance, and has the functions of controlling the growth of weeds in soil, realizing heat preservation, mulching, preservation of soil moisture, water conservation and insect prevention of crops, preventing the loss of a fertilizer, promoting early maturing of the crops and improving the yield and quality of the crops.
Description
Technical field
The present invention relates to a kind of mulch film, specifically the painted mulch film of a kind of poly(vinylidene fluoride) agripast, this thickness is 10 μm ~ 80 μm.The invention still further relates to the manufacture method of the painted mulch film of above-mentioned poly(vinylidene fluoride) agripast.
Background technology
From China by plastic film applications in agriculture production so far, production practice are verified: the application of agricultural plastic film culture underglass technology, can not only promote plant growth, make crop yield, increasing peasant income, but also changes China's conventional agriculture.Wherein, plastic mulching cultivation technology, it can play insulation mulch, antifreeze, soil moisture conservation, regulating illumination, water saving, weeding, insect protected and control the effect of soil salinity and alkalinity, can promote crop precocity, improve crop yield and quality, the cultivation of fruits and vegetables in cold season can also be realized.
Along with the process of agricultural modernization, the usage quantity of plastic sheeting for farm use gets more and more.As mentioned above, its advantage is obvious, but its negative impact also shows fork-like farm tool used in ancient China thereupon day by day.Wherein serious is exactly that usually said " white pollution ", particularly Disabled is stayed plastic sheeting for farm use fragment in soil and can be accumulated gradually, and form barrier layer, have a strong impact on the normal growth of root system of plant, the dredging of spoiled soil heat trnasfer and moisture, finally causes the underproduction.China is large agricultural country, but in China's plastic sheeting for farm use market, main based on PE film, part is PVC film and EVA film, add that general partially thin (Chinese Enterprises grown place film thickness is 6 μm for agricultural mulching that China uses, the U.S. is 24 μm, Korea S is 20 μm, Japan is 15 μm) intensity is low, and weathering resistance, ageing resistance are poor, no matter are take off film in crop optimum period, or take off film in the crop harvesting later stage, use mechanical work rolling to reclaim and all easily make film rupture, affect machine non-stop run, be difficult to play benefit.Moreover after such plastic sheeting for farm use reclaims, utilizability is poor, and cost recovery is higher, loses more than gain economically.
Based on above-mentioned situation, development, exploitation, widely using recyclable, to meet the requirement of crop difference high-performance, multifunctional agricultural mulching film, is reduce one of " white pollution " effective way.
Summary of the invention
Technical problem to be solved by this invention is to provide the painted mulch film of a kind of poly(vinylidene fluoride) agripast and manufactures the method for this mulch film.This mulch film mechanical mechanics property and weathering resistance more excellent, have and control weed growth in soil, crop insulation mulch, soil moisture conservation, water saving, insect protected, prevent fertilizer loss, and promote that crop is precocious, improve the function such as crop yield and quality.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
The painted mulch film of a kind of poly(vinylidene fluoride) agripast, it is containing, for example lower mass percent component:
Described PVDF resin is the homopolymer of vinylidene fluoride, and its melt-flow index is 2 ~ 15g/10min (5Kg, 230 DEG C).
Described PMMA resin is the homopolymer of methyl methacrylate (MMA), or alkyl acrylate, vinyl cyanide, divinyl, the multipolymer of at least one monomer and methyl methacrylate in styrene co-monomer, or be the composition of imperplex and above-mentioned multipolymer, the melt-flow index of described PMMA resin is 2 ~ 15g/10min (5Kg, 230 DEG C); PMMA content is 5% ~ 70%, and more favourable is 20% ~ 50%, is unfavorable for the weathering resistance of film, is unfavorable for the dispersion of mineral dye lower than 5% higher than 70%; Hit by adding acrylic ester impact-resisting the shock resistance that properties-correcting agent (ACR) can improve film, the amount added is no more than 40% of PMMA total mass.
Described pigment is mineral dye, and described mineral dye is metal oxide, carbonate, carbon black or inorganic compounding raw material.Metal oxide is titanium dioxide, aluminum oxide, silicon-dioxide such as; Carbonate is as calcium carbonate; Carbon black; Or inorganic compounding pigment is as one or more the composition in Pigment blue 28, Pigment green 26, Pigment Yellow 73 53 etc.; When preparing white films, the nm-class rutile titanium dioxide of described pigment to be median size be 200nm ~ 600nm, skin aluminum oxide and coated with silica are to improve its dispersed and catalyticing decomposition action of reduction to PMMA and PVDF resin.When preparing black film and selecting carbon black, the content of carbon black is 0.05% ~ 5% of film total mass, and more favourable is 0.1% ~ 3%, and usage quantity is greater than 5% carbon black and easily causes reunion, and reduce mechanical property and weathering resistance, carbon black median size is 15 ~ 60nm.Preferentially composite inorganic pigment is selected when preparing other painted mulch film, composite inorganic pigment is compared with pigment dyestuff, there is more stable physics and chemistry character and stronger obstruct UV-light, visible ray the functions such as reflects infrared light, therefore the use properties of film can be kept for more time, improve weathering resistance and the ageing resistance of film, advantageously in the growth of crop.
Described photostabilizer to contain in uv-absorbing agent, hindered amine as light stabilizer one or more composition.Wherein, the described uv-absorbing agent contained, the two or more different ultraviolet absorbers combination of prioritizing selection, in 200nm ~ 400nm ultraviolet radiation wavelength region, prioritizing selection has a kind of ultraviolet absorbers of maximum absorption and in the high wavelength region of >300nm, has the combination of another kind of ultraviolet absorbers of maximum absorption in the low wavelength region of <300nm.Such as: have the uv-absorbing agents such as the Tinuvin 1577 of a maximum absorption band, Cyasorb 1164 can and have the ultraviolet absorbers such as Tinuvin 360, Tinuvin P, Tinuvin 327 of a maximum absorption to combine high wavelength place (~ 350nm) low wavelength place (~ 275nm).There is in high length ultraviolet uptake zone the uv-absorbing agent of maximum absorption, time absorption can be there is simultaneously in other uv-absorbing district.Such combination is more conducive to the absorption of fork-like farm tool used in ancient China from the ultraviolet radiation in wider wavelength region, is conducive to restraining ultraviolet radiation to the photochemical degradation of film, improves the weathering resistance of film, ageing resistance.Uv-absorbing agent and hindered amine combination have synergistic effect.
Described thermo-stabilizer is one or more composition in phosphoric acid ester, phosphorous acid ester, hindered phenol, suffocated amine antioxidant; Add thermo-stabilizer mainly for preventing PVDF/PMMA resin in processing and the finished product, the especially thermal-oxidative degradation of PMMA resin, guarantees the use properties of film.Add-on is 0 ~ 3% of film total mass, the composition of preferred phosphorous acid ester and hindered phenol antioxygen.
Described dispersion agent is a kind of in fatty acid ester, fatty acid amide, phthalic ester, oxidized polyethlene wax, polyethylene wax class or wherein more than one combination.
The manufacture method of the above-mentioned painted mulch film of poly(vinylidene fluoride) agripast, comprises the following steps:
(1) be added in high-speed mixer by the PVDF resin of drying process in advance, PMMA resin, pigment, dispersion agent, thermo-stabilizer, photostabilizer, at 80 DEG C ~ 100 DEG C, high-speed stirring 30 minutes, is then cooled to 45 DEG C, obtains special dry blend;
(2) by gained dry blend at 170 DEG C ~ 210 DEG C, at twin screw extruder extruding pelletization, be prepared into the special master batch of poly(vinylidene fluoride) agricultural plastic ground membrane;
(3) special for above-mentioned gained master batch is added in single screw extrusion machine, three sections of temperature of single screw extrusion machine control at 160 DEG C ~ 180 DEG C respectively, 180 DEG C ~ 200 DEG C, 200 DEG C ~ 220 DEG C, under said temperature condition, carry out plasticizing extrude, die head temperature controls at 210 DEG C ~ 220 DEG C, and melt is through hanger-style die casting film-forming, cool through two roller, draw, batch again, obtain the painted mulch film of poly(vinylidene fluoride) agripast.
Above-mentioned preparation technology is comparatively easy, easily controls, safe and reliable; First preparation method of the present invention also can prepare the pigment that resin based on PVDF, PMMA adds high density and (such as: 40%) and the Masterbatch of the composition such as a certain amount of thermo-stabilizer, photostabilizer, dispersion agent, and then by blending extrusion, curtain coating, cooling, draw, batch and be prepared into required painted mulch film.
Mulch film of the present invention has obstruct effect of sunlight, can restrain weeds photosynthesis, thus plays the growth controlling weeds; This mulch film has thermal insulation, Water run-off preventing effect, has insulation mulch, soil moisture conservation, water saving, insect protected and prevent the effects such as fertilizer loss to crop; This mulch film has regulating illumination effect, and the mulch film of different colours can meet the selection of specific crop to light wave, advantageously improves seed output and quality and the pest control of crop; This mulch film mechanical mechanics property and excellent weather resistance and hard differ from PE, PVC, EVA plastic film of stack pile, mechanical winder after being easy to mechanical plastic film mulch and crop harvesting, and recovery utilization rate is high, and life cycle is long, and returnability is good.
Embodiment
The main ingredient applied in the embodiment of the present invention is (but being not limited to use following component):
Embodiment 1
Containing, for example lower mass percent component: PVDF resin (VDF homopolymer, melt flow index 8 ~ 15g/10min (230 DEG C, 5Kg), derive from domestic three Ai Fu companies) 54%, Plexiglas 7N (plexiglass, melt flow index is 6g/10min (230 DEG C, 3.8Kg) derive from from Ying Chuan Romo Co., Ltd) 32%, R-960 (is nm-class rutile titanium dioxide, median size 500nm, surface is aluminium sesquioxide and silica treatment, derive from DuPont company) 10%, composite light stabilizer (uv-absorbing agent Tinuvin 1577, the composition of Tinuvin 327 and hindered amine Tinuvin 770, derive from Ciba to refine company) 2.6%, the Irganox B 215 (composition of oxidation inhibitor Irgafos168 and Irganox1010, derive from Ciba to refine company) 1.2%, dispersion agent EBS (N, N,-ethylenebisstearamide) 0.2%.
Be added in high-speed mixer by after said components in advance drying treatment, at 90 DEG C, high-speed stirring 30 minutes, is then cooled to 45 DEG C, obtains special dry blend.
By gained dry blend at 200 DEG C, at twin screw extruder extruding pelletization, be prepared into the special master batch of poly(vinylidene fluoride) agricultural plastic ground membrane.
Special for above-mentioned gained master batch is added in single screw extrusion machine, three sections of temperature of single screw extrusion machine control at 165 DEG C respectively, 185 DEG C, 210 DEG C, under said temperature condition, carry out plasticizing extrude, die head temperature controls at 210 DEG C, and melt is through hanger-style die casting film-forming, cool through two roller, draw, batch again, obtain poly(vinylidene fluoride) agripast white mulch film.
Embodiment 2
Containing, for example lower mass percent component: PVDF resin (VDF homopolymer, melt flow index 8 ~ 15g/10min (230 DEG C, 5Kg), derive from domestic three Ai Fu companies) 54%, Plexiglas 7N (plexiglass, melt flow index is 6g/10min (230 DEG C, 3.8Kg) derive from Ying Chuan Romo Co., Ltd) 20%, D320 (hits properties-correcting agent containing acrylic ester impact-resisting: shell is PMMA, core is the interpolymer of butyl acrylate/divinyl, derive from Arkema company) 12%, R-960 (is nm-class rutile titanium dioxide, median size 500nm, surface is aluminium sesquioxide and silica treatment, derive from Du Pont (DuPont) company) 10%, composite light stabilizer (uv-absorbing agent Tinuvin 1577, the composition of Tinuvin P and hindered amine Tinuvin 770, derive from Ciba to refine company) 2.6%, the Irganox B 215 (composition of oxidation inhibitor Irgafos168 and Irganox1010, derive from Ciba to refine company) 1.2%, dispersion agent EBS (N, N,-ethylenebisstearamide) 0.2%.
Be added in high-speed mixer by after said components in advance drying treatment, at 100 DEG C, high-speed stirring 30 minutes, is then cooled to 45 DEG C, obtains special dry blend.
By gained dry blend at 180 DEG C, at twin screw extruder extruding pelletization, be prepared into the special master batch of poly(vinylidene fluoride) agricultural plastic ground membrane.
Special for above-mentioned gained master batch is added in single screw extrusion machine, three sections of temperature of single screw extrusion machine control at 175 DEG C respectively, 190 DEG C, 215 DEG C, under said temperature condition, carry out plasticizing extrude, die head temperature controls at 215 DEG C, and melt is through hanger-style die casting film-forming, cool through two roller, draw, batch again, obtain poly(vinylidene fluoride) agripast white mulch film.
Embodiment 3
Containing, for example lower mass percent component: PVDF resin (VDF homopolymer, melt flow index 8 ~ 15g/10min (230 DEG C, 5Kg), derive from domestic three Ai Fu companies) 58%, the Altuglas BS 580 (multipolymer of methyl methacrylate and methyl acrylate, melt flow index is 4.5g/10min (230 DEG C, 3.8Kg) derive from Arkema company) 35%, R-960 (is nm-class rutile titanium dioxide, median size 500nm, surface is aluminium sesquioxide and silica treatment, derive from DuPont company) 0.1%, R330R (carbon black derives from Cabot Co., Ltd) 2.9%, composite light stabilizer (uv-absorbing agent Tinuvin 1577, the composition of Tinuvin 327 and hindered amine Tinuvin 770, derive from Ciba to refine company) 2.6%, the Irganox B 215 (composition of oxidation inhibitor Irgafos168 and Irganox1010, derive from Ciba to refine company) 1.2%, dispersion agent EBS (N, N,-ethylenebisstearamide) 0.2%.
Be added in high-speed mixer by after said components in advance drying treatment, at 90 DEG C, high-speed stirring 30 minutes, is then cooled to 45 DEG C, obtains special dry blend.
By gained dry blend at 170 DEG C, at twin screw extruder extruding pelletization, be prepared into the special master batch of poly(vinylidene fluoride) agricultural plastic ground membrane.
Special for above-mentioned gained master batch is added in single screw extrusion machine, three sections of temperature of single screw extrusion machine control at 170 DEG C respectively, 195 DEG C, 210 DEG C, under said temperature condition, carry out plasticizing extrude, die head temperature controls at 210 DEG C, and melt is through hanger-style die casting film-forming, cool through two roller, draw, batch again, obtain poly(vinylidene fluoride) agripast black mulch film.
Embodiment 4
Containing, for example lower mass percent component: VDF homopolymer (melt flow index 8 ~ 15g/10min (230 DEG C, 5Kg), derive from domestic three Ai Fu companies) 63%, the Altuglas BS 580 (multipolymer of methyl methacrylate and methyl acrylate, melt flow index is 4.5g/10min (230 DEG C, 3.8Kg) derive from Arkema company) 30%, R-960 (is nm-class rutile titanium dioxide, median size 500nm, surface is aluminium sesquioxide and silica treatment, derive from DuPont company) 0.1%, R330R (carbon black derives from Cabot Co., Ltd) 2.9%, composite light stabilizer (uv-absorbing agent Tinuvin 1577, the composition of Tinuvin 360 and hindered amine Tinuvin 770, derive from Ciba to refine company) 2.6%, the Irganox B 215 (composition of oxidation inhibitor Irgafos168 and Irganox1010, derive from Ciba to refine company) 1.2%, dispersion agent EBS (N, N,-ethylenebisstearamide) 0.2%.
Be added in high-speed mixer by after said components in advance drying treatment, at 80 DEG C, high-speed stirring 30 minutes, is then cooled to 45 DEG C, obtains special dry blend.
By gained dry blend at 210 DEG C, at twin screw extruder extruding pelletization, be prepared into the special master batch of poly(vinylidene fluoride) agricultural plastic ground membrane.
Special for above-mentioned gained master batch is added in single screw extrusion machine, three sections of temperature of single screw extrusion machine control at 175 DEG C respectively, 190 DEG C, 220 DEG C, under said temperature condition, carry out plasticizing extrude, die head temperature controls at 220 DEG C, and melt is through hanger-style die casting film-forming, cool through two roller, draw, batch again, obtain poly(vinylidene fluoride) agripast black mulch film.
Embodiment 5
Containing, for example lower mass percent component: VDF homopolymer (melt flow index 8 ~ 15g/10min (230 DEG C, 5Kg), derive from domestic three Ai Fu companies) 58%, Altuglas BS 510 (multipolymer of methyl methacrylate and ethyl propenoate) derives from Arkema company) 30%, R-960 (is nm-class rutile titanium dioxide, median size 500nm, surface is aluminium sesquioxide and silica treatment, derive from DuPont company) 6%, (main composition is divided into the composite inorganic pigment of Co-Al oxide compound to Pigment blue 28, derive from Xue Te company of the U.S.) 2%, composite light stabilizer (uv-absorbing agent Cyasorb 1164, the composition of Tinuvin 360 and hindered amine Chimassorb 119, derive from Qing Te industrial of the U.S. and Ciba respectively to refine company) 2.6%, the Irganox B 215 (composition of oxidation inhibitor Irgafos168 and Irganox1010, derive from Ciba to refine company) 1.2%, dispersion agent (oxidized polyethlene wax) 0.2%.
Be added in high-speed mixer by after said components in advance drying treatment, at 95 DEG C, high-speed stirring 30 minutes, is then cooled to 45 DEG C, obtains special dry blend.
By gained dry blend at 190 DEG C, at twin screw extruder extruding pelletization, be prepared into the special master batch of poly(vinylidene fluoride) agricultural plastic ground membrane.
Special for above-mentioned gained master batch is added in single screw extrusion machine, three sections of temperature of single screw extrusion machine control at 170 DEG C respectively, 185 DEG C, 210 DEG C, under said temperature condition, carry out plasticizing extrude, die head temperature controls at 220 DEG C, and melt is through hanger-style die casting film-forming, cool through two roller, draw, batch again, obtain the blue mulch film of poly(vinylidene fluoride) agripast.
Painted mulch film (20 μm) detected result that above-described embodiment 1-5 obtains is as shown in table 1:
Table 1 is painted mulch film (20 μm) detected result
In table 1 test-results, the test condition of atmospheric exposure test is: xenon arc lamp light source, and the light launched passes through with two borosilicate glass strainer to reach simulation direct sunlight.The irradiance average that this light source impinges upon on sample in wavelength 300 ~ 800nm scope reaches 550W/m2, the Water spray cycle is 18min ± 0.5min, between twice water spray, the anhydrous time is 102min ± 0.5min, test cabinet blackboard temperature is 65 DEG C ± 3 DEG C, relative humidity is (65 ± 5) %, the conservation rate that test result is extended with the longitudinal fracture of sample represents, i.e. the ratio of sample elongation at break before and after atmospheric exposure test.Test-results shows, this mulch film has excellent weather resistance and mechanical property, in use can meet the requirement of Different Crop to Different climate condition and geographical environment, use rear film property retention rate high, can repeatedly use or recycling.
Above-described embodiment does not limit the present invention in any way, and the technical scheme that the mode that every employing is equal to replacement or equivalent transformation obtains all drops in protection scope of the present invention.
Claims (10)
1. the painted mulch film of poly(vinylidene fluoride) agripast, is characterized in that containing, for example lower mass percent component:
Described PVDF resin is the homopolymer of vinylidene fluoride, and its melt-flow index is 2 ~ 15g/10min (5Kg, 230 DEG C);
Described PMMA resin is the homopolymer of methyl methacrylate, or alkyl acrylate, vinyl cyanide, divinyl, the multipolymer of at least one monomer and methyl methacrylate in styrene co-monomer, or be the composition of imperplex and above-mentioned multipolymer, the melt-flow index of described PMMA resin is 2 ~ 15g/10min (5Kg, 230 DEG C);
Described pigment is mineral dye;
Described photostabilizer to contain in uv-absorbing agent, hindered amine as light stabilizer one or more composition;
Described thermo-stabilizer is one or more composition in phosphoric acid ester, phosphorous acid ester, hindered phenol, suffocated amine antioxidant;
Described dispersion agent is a kind of in fatty acid ester, fatty acid amide, phthalic ester, oxidized polyethlene wax, polyethylene wax class or wherein more than one combination.
2. the painted mulch film of poly(vinylidene fluoride) agripast according to claim 1, is characterized in that: described mineral dye is metal oxide, carbonate, carbon black or inorganic compounding raw material.
3. the painted mulch film of poly(vinylidene fluoride) agripast according to claim 1, it is characterized in that: described metal oxide is titanium dioxide, aluminum oxide or silicon-dioxide, described carbonate is calcium carbonate; Described inorganic compounding pigment is one or more the composition in Pigment blue 28, Pigment green 26, Pigment Yellow 73 53.
4. the painted mulch film of poly(vinylidene fluoride) agripast according to claim 1, it is characterized in that: described PMMA resin comprises acrylic ester impact-resisting and hits properties-correcting agent, the content that acrylic ester impact-resisting hits properties-correcting agent is less than 40% of PMMA resin quality.
5. the painted mulch film of poly(vinylidene fluoride) agripast according to claim 1, it is characterized in that: when preparing white films, the nm-class rutile titanium dioxide of described pigment to be median size be 200nm ~ 600nm, skin aluminum oxide and coated with silica are to improve its catalyticing decomposition action that is dispersed and that reduce PMMA and PVDF resin.
6. the painted mulch film of poly(vinylidene fluoride) agripast according to claim 1, it is characterized in that: when preparing black film, carbon black selected by described pigment, and the content of carbon black is 0.05% ~ 5% of film total mass, and carbon black median size is 15 ~ 60nm.
7. the painted mulch film of poly(vinylidene fluoride) agripast according to claim 6, is characterized in that: the content of described carbon black is 0.1% ~ 3% of film total mass.
8. the painted mulch film of poly(vinylidene fluoride) agripast according to claim 1, it is characterized in that: in 200nm ~ 400nm ultraviolet radiation wavelength region, described uv-absorbing agent is in the low wavelength region of <300nm, have a kind of ultraviolet absorbers of maximum absorption and in the high wavelength region of >300nm, have the combination of another kind of ultraviolet absorbers of maximum absorption.
9. the painted mulch film of poly(vinylidene fluoride) agripast according to claim 1, is characterized in that: described thermo-stabilizer is the composition of phosphorous acid ester and hindered phenol antioxygen.
10. the manufacture method of the painted mulch film of poly(vinylidene fluoride) agripast according to any one of claim 1-9, is characterized in that comprising the following steps:
(1) be added in high-speed mixer by the PVDF resin of drying process in advance, PMMA resin, pigment, dispersion agent, thermo-stabilizer, photostabilizer, at 80 DEG C ~ 100 DEG C, high-speed stirring 30 minutes, is then cooled to 45 DEG C, obtains special dry blend;
(2) by gained dry blend at 170 DEG C ~ 210 DEG C, at twin screw extruder extruding pelletization, be prepared into the special master batch of poly(vinylidene fluoride) agricultural plastic ground membrane;
(3) special for above-mentioned gained master batch is added in single screw extrusion machine, three sections of temperature of single screw extrusion machine control at 160 DEG C ~ 180 DEG C respectively, 180 DEG C ~ 200 DEG C, 200 DEG C ~ 220 DEG C, under said temperature condition, carry out plasticizing extrude, die head temperature controls at 210 DEG C ~ 220 DEG C, and melt is through hanger-style die casting film-forming, cool through two roller, draw, batch again, obtain the painted mulch film of poly(vinylidene fluoride) agripast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464551.3A CN104231497A (en) | 2014-09-12 | 2014-09-12 | Polyvinylidene fluoride (PVDF) agricultural plastic colored mulching film and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464551.3A CN104231497A (en) | 2014-09-12 | 2014-09-12 | Polyvinylidene fluoride (PVDF) agricultural plastic colored mulching film and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104231497A true CN104231497A (en) | 2014-12-24 |
Family
ID=52220466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410464551.3A Pending CN104231497A (en) | 2014-09-12 | 2014-09-12 | Polyvinylidene fluoride (PVDF) agricultural plastic colored mulching film and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104231497A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893188A (en) * | 2015-04-22 | 2015-09-09 | 杭州福膜新材料科技有限公司 | Low surface gloss polyvinylidene fluoride film and preparation method thereof |
| CN105917933A (en) * | 2016-05-09 | 2016-09-07 | 江西省棉花研究所 | Novel method for removing weeds in planting fields of potatoes |
| CN106142584A (en) * | 2015-04-13 | 2016-11-23 | 江苏昊华光伏科技有限公司 | The production method of light scattering PVDF agricultural canopy film |
| CN106147088A (en) * | 2015-04-13 | 2016-11-23 | 江苏昊华光伏科技有限公司 | High-performance drip, fog dispersal PVDF composite canopy film |
| CN106147090A (en) * | 2015-04-13 | 2016-11-23 | 江苏昊华光伏科技有限公司 | High-weatherability solar energy backboard membrane |
| CN106147089A (en) * | 2015-04-13 | 2016-11-23 | 江苏昊华光伏科技有限公司 | High intensity PVDF agricultural mulching |
| CN106854328A (en) * | 2016-12-28 | 2017-06-16 | 山东华夏神舟新材料有限公司 | Injection extrusion molding toughening modifying polyvinylidene fluoride composite material and preparation method |
| CN106995548A (en) * | 2017-04-27 | 2017-08-01 | 江苏华昌织物有限公司 | A kind of preparation method of multi-functional color masterbatch |
| CN107141677A (en) * | 2017-05-19 | 2017-09-08 | 上海金盾胶粘制品有限公司 | A kind of PVPF fluorine carbon composite membrane |
| CN107310172A (en) * | 2017-05-19 | 2017-11-03 | 上海金盾胶粘制品有限公司 | A kind of PVDF fluorine carbon high durable is combined film production process |
| CN107556671A (en) * | 2017-09-22 | 2018-01-09 | 北京爱吾尔德技术开发有限公司 | A kind of modified PVDF materials, preparation method and applications |
| CN108289421A (en) * | 2015-11-27 | 2018-07-17 | 斯道拉恩索公司 | Include the covered ground mulch of micro- fibrillation polysaccharide |
| CN108966946A (en) * | 2018-07-27 | 2018-12-11 | 章立兰 | It is a kind of can be with the farm vegetable shed film of the following light wave of particular filter 390nm |
| CN109483996A (en) * | 2018-10-29 | 2019-03-19 | 苏州福慧材料科技有限公司 | A kind of production technology of three layers of compound agricultural film |
| CN110452482A (en) * | 2019-08-22 | 2019-11-15 | 苏州顺创新能源科技有限公司 | High uvioresistant colour fluorine film of photovoltaic polyvinylidene fluoride and preparation method thereof |
| CN110710408A (en) * | 2019-09-30 | 2020-01-21 | 黄鲁鑫 | Preparation method and application of low-temperature-resistant and anti-aging efficient insulation cover cloth for grape vine winter protection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120086081A (en) * | 2011-01-25 | 2012-08-02 | 에스케이씨 주식회사 | MONO-LAYER PVdF ORIENTED FILM AND SOLAR CELL BACK SHEET USING THE SAME |
| JP2012149152A (en) * | 2011-01-18 | 2012-08-09 | Kureha Corp | Polyvinylidene fluoride resin composition, colored resin film, and backsheet for solar cell module |
| CN102675777A (en) * | 2011-03-03 | 2012-09-19 | 黄莲华 | Manufacture method for biaxially oriented PVDF thin film |
| CN103450608A (en) * | 2013-09-11 | 2013-12-18 | 张李忠 | Combination method of flame retardant self-cleaning membrane with high weather resistance |
| CN103832038A (en) * | 2014-03-07 | 2014-06-04 | 江苏昊华光伏科技有限公司 | Black infrared reflection polyvinylidene fluoride (PVDF) solar cell rear panel composite film and manufacturing method thereof |
-
2014
- 2014-09-12 CN CN201410464551.3A patent/CN104231497A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012149152A (en) * | 2011-01-18 | 2012-08-09 | Kureha Corp | Polyvinylidene fluoride resin composition, colored resin film, and backsheet for solar cell module |
| KR20120086081A (en) * | 2011-01-25 | 2012-08-02 | 에스케이씨 주식회사 | MONO-LAYER PVdF ORIENTED FILM AND SOLAR CELL BACK SHEET USING THE SAME |
| CN102675777A (en) * | 2011-03-03 | 2012-09-19 | 黄莲华 | Manufacture method for biaxially oriented PVDF thin film |
| CN103450608A (en) * | 2013-09-11 | 2013-12-18 | 张李忠 | Combination method of flame retardant self-cleaning membrane with high weather resistance |
| CN103832038A (en) * | 2014-03-07 | 2014-06-04 | 江苏昊华光伏科技有限公司 | Black infrared reflection polyvinylidene fluoride (PVDF) solar cell rear panel composite film and manufacturing method thereof |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106142584A (en) * | 2015-04-13 | 2016-11-23 | 江苏昊华光伏科技有限公司 | The production method of light scattering PVDF agricultural canopy film |
| CN106147088A (en) * | 2015-04-13 | 2016-11-23 | 江苏昊华光伏科技有限公司 | High-performance drip, fog dispersal PVDF composite canopy film |
| CN106147090A (en) * | 2015-04-13 | 2016-11-23 | 江苏昊华光伏科技有限公司 | High-weatherability solar energy backboard membrane |
| CN106147089A (en) * | 2015-04-13 | 2016-11-23 | 江苏昊华光伏科技有限公司 | High intensity PVDF agricultural mulching |
| CN104893188A (en) * | 2015-04-22 | 2015-09-09 | 杭州福膜新材料科技有限公司 | Low surface gloss polyvinylidene fluoride film and preparation method thereof |
| CN108289421A (en) * | 2015-11-27 | 2018-07-17 | 斯道拉恩索公司 | Include the covered ground mulch of micro- fibrillation polysaccharide |
| CN108289421B (en) * | 2015-11-27 | 2021-10-15 | 斯道拉恩索公司 | Ground covering mulch comprising microfibrillated polysaccharide |
| CN105917933A (en) * | 2016-05-09 | 2016-09-07 | 江西省棉花研究所 | Novel method for removing weeds in planting fields of potatoes |
| CN106854328A (en) * | 2016-12-28 | 2017-06-16 | 山东华夏神舟新材料有限公司 | Injection extrusion molding toughening modifying polyvinylidene fluoride composite material and preparation method |
| CN106995548A (en) * | 2017-04-27 | 2017-08-01 | 江苏华昌织物有限公司 | A kind of preparation method of multi-functional color masterbatch |
| CN107141677A (en) * | 2017-05-19 | 2017-09-08 | 上海金盾胶粘制品有限公司 | A kind of PVPF fluorine carbon composite membrane |
| CN107310172A (en) * | 2017-05-19 | 2017-11-03 | 上海金盾胶粘制品有限公司 | A kind of PVDF fluorine carbon high durable is combined film production process |
| CN107556671A (en) * | 2017-09-22 | 2018-01-09 | 北京爱吾尔德技术开发有限公司 | A kind of modified PVDF materials, preparation method and applications |
| CN108966946A (en) * | 2018-07-27 | 2018-12-11 | 章立兰 | It is a kind of can be with the farm vegetable shed film of the following light wave of particular filter 390nm |
| CN108966946B (en) * | 2018-07-27 | 2021-03-23 | 山东隆昌塑业有限公司 | Agricultural vegetable greenhouse film capable of specifically filtering light waves below 390nm |
| CN109483996A (en) * | 2018-10-29 | 2019-03-19 | 苏州福慧材料科技有限公司 | A kind of production technology of three layers of compound agricultural film |
| CN110452482A (en) * | 2019-08-22 | 2019-11-15 | 苏州顺创新能源科技有限公司 | High uvioresistant colour fluorine film of photovoltaic polyvinylidene fluoride and preparation method thereof |
| CN110710408A (en) * | 2019-09-30 | 2020-01-21 | 黄鲁鑫 | Preparation method and application of low-temperature-resistant and anti-aging efficient insulation cover cloth for grape vine winter protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104231497A (en) | Polyvinylidene fluoride (PVDF) agricultural plastic colored mulching film and manufacturing method thereof | |
| CN103832038B (en) | Black infrared external reflection polyvinylidene fluoride compound film for solar battery rear board and manufacture method thereof | |
| CN110712410B (en) | Internal-addition type long-acting dripping defogging film | |
| JP3064611B2 (en) | Agricultural coating film | |
| CN102756522B (en) | Ultraviolet isolating greenhouse films | |
| CN104057674B (en) | A kind of three layers of composite red color canopy film for leek plantation | |
| CN105330962A (en) | Preparation method of super-tough antibacterial masterbatch with high concentration | |
| CN103113659B (en) | Environment-friendly type water-saving agricultural mulching film and preparation method for same | |
| CN102746563A (en) | Preparation method of special material for LLDPE transparent greenhouse film | |
| CN104045905A (en) | Ecological environment-friendly light-conversion mulching film | |
| CN103374173B (en) | Durable type mulch film | |
| CN203960103U (en) | The double-colored degradable mulch of a kind of black and white | |
| CN103831976A (en) | Method for preparing strong-strength composite plastic film | |
| CN104195670A (en) | Agricultural plastic woven fabric for greenhouses and preparation method thereof | |
| CN102250410A (en) | Shed film special for ginger | |
| DE102013010702B3 (en) | Plant cultivation roofing with temperature-dependent radiation transparency and process for the cultivation of crops | |
| CN104558788A (en) | Polyethylene composite with excellent puncture resistance and weather resistance | |
| CN106541662B (en) | A kind of silver unregistered land film and its preparation process | |
| CN103213363A (en) | Agricultural film | |
| CN102746551A (en) | Fluoropolymer processing aid modified drip irrigation belt | |
| CN104788787A (en) | Film material for greenhouse and preparation method of film material | |
| CN106117750A (en) | Photodegradable plastics thin film | |
| CN105001558A (en) | Farm-oriented anti-atomization polyvinyl chloride film and preparation method thereof | |
| CN104441869B (en) | Light scattering type agricultural film, its manufacture method and purposes | |
| CN106147089A (en) | High intensity PVDF agricultural mulching |
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 |
Application publication date: 20141224 |