CN104893258A - Agricultural PET film and preparation method therefor - Google Patents
Agricultural PET film and preparation method therefor Download PDFInfo
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- CN104893258A CN104893258A CN201510133569.XA CN201510133569A CN104893258A CN 104893258 A CN104893258 A CN 104893258A CN 201510133569 A CN201510133569 A CN 201510133569A CN 104893258 A CN104893258 A CN 104893258A
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Abstract
The present application discloses an agricultural PET film and a preparation method therefor. The method comprises: weighing out the following components in parts by weight: PET, phosphoric acid, polyethylene glycol, PE, SAS, LDPE, an antioxidant, POM, clay, lithium chloride, an ultraviolet absorber, glyceryl triacetate, tin oxide, titanium dioxide and PC; mixing the substances; extruding the mixture to perform tab-pulling and granulation; and performing blow molding to form a film. For a product, the electrostatic half-life is 2.5-4.5s, and the surface specific resistance is 4.2x10e9-4.5x10e9 ohm; the coefficient of static friction is 0.3-0.4, and the coefficient of dynamic friction is 0.2-0.3; the the tear strength is 0.1-0.3 N/m, the porosity is 54-56% and the atomization ratio is 0.7-1.3%.
Description
Technical field
The application belongs to PET material preparation field, particularly relates to a kind of PET agricultural film and preparation method thereof.
Background technology
Film is a kind of thin and soft transparent sheet.Make with plastics, tackiness agent, rubber or other materials.Polyester film is scientific to be interpreted as: by atom, the 2 dimension materials that molecule or ion deposition are formed at substrate surface.Example: optical thin film, laminated film, superconducting thin film, polyester film, nylon film, plastics film etc.Film is widely used in electronic apparatus, machinery, the industries such as printing.Thin-film material refers to thickness between monatomic to the thin metal between several millimeters or organic matter layer.Electronic semi-conductor's functional device and optical coating are the main application of thin film technique.The interference produced by film.Film can be transparent solid, liquid or the gas thin layer folded by two blocks of glass.Incident light obtains light beam after the reflection of film upper surface, and refracted light, through the reflection of film lower surface, obtains the second bundle light again after upper surface refraction, and this two-beam, at the homonymy of film, is separated by same incident vibration, is coherent light, belongs to amplitude-splittine interference.If light source is expansion light source (area source), then just can only can observe interference in the specific overlapping district of two coherent light beams, therefore belong to ranged interference.The flat film parallel to each other to two surfaces, interference fringe localization, in infinite distance, is observed in its image space focal plane by means of positive lens usually; To tapered film, interference fringe localization is near film.TiO is due to its high refractive index and relative soundness, people like this high-index material for visible ray and near infrared range, but itself is difficult to again to obtain a stable result .TiO, Ti2O3. TiO, Ti, the analog ratio of these starting material oxygen-titanium atoms is respectively: 2.0, 1.67, 1.5, 1.0, find after 0. ratio be 1.67 material more stable and generate about 550nm the firm rete that a repeated specific refractory power is 2.21 greatly, ratio be 2 material the first layer produce the specific refractory power of about 2.06, specific refractory power 2.38 is dropped to this several coating materials of 2.21. all without absorptivity by material require 7 retes that thin-film refractive index is below 1.0 close to 2.21. ratio, almost each TiO2 steams and follows a principle: in spendable spectral region, obtain negligible absorptivity, restriction and the temperature that can reduce oxygen pressure like this need to use IAD to help plating with the restriction .TiO2 steaming speed, face under the baffle, oxygen input aperture.
With the film that polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins are made, for packaging, and be used as coating layer.The commercially shared share of plastic wrapping and plastic packet product is increasing, particularly composite plastic soft packaging, the fields such as food, medicine, chemical industry are widely used in, wherein maximum with food product pack proportion again, such as drink pack, quickfrozen food packaging, cooking food packaging, snack food product packaging etc., these products all bring great convenience to people's life.Polyester film take polyethylene terephthalate as raw material, adopts extrusion molding to make sheet, then through thin-film material that two-way stretch is made.It is a kind of water white transparency, glossiness film, good mechanical performance, and rigidity, hardness and toughness are high, puncture, rub resistance, high temperature resistant and low temperature, chemical proofing, oil-proofness, resistance to air loss and fragrance protectiveness are good, are one of conventional barrier laminated film base materials.But the price of polyester film is higher, general thickness is 12 μm, and the conventional cladding material doing boiling packaging, printing is better.Within 2005, the annual whole plastics film production and supply enterprises in whole nation total cumulative output value of industry reaches 79,910,504,000 yuan, increase by 29% than last year, accumulative business unit number 1223, annual accumulative product sales revenue 77,417,653,000 yuan, 25.89% is increased than same period last year, accumulated profit total value reaches 2,384,871,000 yuan.The whole industry per capita sales rate is 488,266.94 yuan.The whole plastics film production and supply enterprises in the whole nation first half of the year in 2006 total cumulative output value of industry reaches 43,959,811,000 yuan, increase by 17.31% than same period last year, accumulative business unit number 1299, accumulative product sales revenue 44,040,148,000 yuan, 22.11% is increased than same period last year, accumulated profit total value reaches 1,213,127,000 yuan.The sales rate per capita of the whole industry is 889,069.85 yuan.All in all, the management state of national plastics film production and supply enterprise is good.The output of Chinese Plastics film accounts for 20% of plastics ultimate production, is increase of production one of classification faster in plastics.From the Application Areas of Chinese plastics film (thickness is 0.06mm ~ 0.26mm), consumption is maximum, kind is maximum, most widely used is packaging industry, and its consumption accounts for 2/3, is secondly that agricultural accounts for 30%, having is exactly functional membrane again, as microporous membrane, screened film, geomembrane etc.Nearly all synthetic resins all may film forming in theory, but has economic implications, becomes commodity, consumption is maximum is the resins such as polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), polystyrene (PS), ethylene/acetic acid ethene (EVA), polyamide (PA).If add suitable additives for plastics in resin matrix, required various functional films just can be prepared.Production method on plastic film industry has rolling process and extrusion molding, wherein extrusion molding is divided into again and extrudes blown film, extrudes curtain coating, extrudes stretching (also known as post forming) etc., current extrusion molding is most widely used general, especially for the processing of polyolefin film, and rolling process is mainly used in the production of some polyvinyl chloride films.Chinese Plastics film industry is in a flourish stage, it is reported, the demand of Chinese Plastics film every year by with more than 9% speed increment.And constantly emerge in large numbers along with various novel material, new installation and novel process, the plastics film of China will be impelled towards diversification of varieties, customizations and possess multi-functional composite membrane future development.Along with the development of China's economic and the adjustment of the structure of rural undertaking, the market requirement of Chinese all trades and professions to plastics film constantly rises.Predict that global plastics films in 2015 and sheet material apparent consumption are expected to reach 5,070 ten thousand tons, wherein the Asian-Pacific area estimates to become fastest-rising regional markets.Chinese Plastics film industry is current is in flourish stage, and 2001-2011 market scale average annual growth rate reaches more than 18%, estimates within 2012, to reach 3,500 hundred million yuan.
Agricultural film is the general name of the plastics film being applied to agriculture production.Along with the progress of science and technology, more and more higher to the requirement of farming film, various novel thin film constantly occurs, this film thickness only has the half of general thin thickness, therefore weight saving half, and corresponding use cost also reduces half.Transparence and the heat-insulating property of this film are also better than general thin, per tonly cover 436 mu, arable land, for 2 times of ordinary agricultural membrane, this kind of film is except being used as paddy rice, cotton, corn, flue-cured tobacco, the nursery of flowers and land for growing field crops and covering, it is also utilized to do flood control film, for feed ditch and retention basin do liner, greatly improve the utilization coefficient of water.In addition, plastic sheeting for farm use is also widely used in edible fungus culturing, storage green fodder etc.; For make film ageing-resistant, easily reclaim, add protective agent in process of production, the life 2 ~ 4 times of film can be made.Mulch film still has some strength after taking off film, still can use, both reduced costs after recovery, can reduce again the residual-film amount in field; It is the multilayer film made with Natural ethylene and low density ethylene.Ultraviolet during this film only flashes back the sunlight to surrounding, and suppress the reflection of visible ray.Insect near film, therefore dare not can play vermins-proof effect because avoiding fearness UV-light.For preventing and treating, the strong aphid of resistance, red spider etc. are effective especially; This is film special, as corn mulch film, cotton mulch film, melon vegetable plot film etc.It utilizes Different Crop have narrow spectrum disease and produce.In diseases prevention film manufacturing processes, add certain specific agricultural chemicals targetedly.This mulch film noresidue, pollution-free, protection effect are remarkable, and many places are a large amount of for plant husbandry; Weeding film is emerging a kind of agricultural plastic film, is to add black agglomerate in common ground film production process or chemical herbicide is made.Weed removal mulch film can be divided into following two kinds.Namely contain the mulch film of weedicide and cover the weed removal mulch film of agent containing sunlight.The weed removal mulch film of fellatio photomask agent, this mulch film for base-material, adds black agglomerate and oxidation inhibitor with high pressure polyethylene resin, type low density polyethylene resin, the black thin film that ultraviolet absorbers produces through inflation film manufacturing machine, due to not containing weedicide, extensively use in high-efficiency agriculture at present.Containing the weed removal mulch film of weedicide, this mulch film is weedicide, auxiliary agent and resin premixedly gets togather, or makes master batch, then through Blown Film on common ground film forcing machine.This ground film production process is simple, and facility investment is few, and the equipment producing common ground film all can be produced; Degradable film is a kind of Agricultural Plastic Film In Vegetable Culture In Plastic Shed produced for the needs of environment protection for adapting to society, and main raw material is that degradation master batch and plastic pellet mixture manufacturing form.Degraded utilizes the microorganism of occurring in nature to corrode mulch film or utilizes sunlight to reach degraded to mulch film oxidation.
PET film is the comprehensive packaging film of a kind of Performance comparision.Its transparency is good, glossy; There is good resistance to air loss and fragrance protectiveness; Moistureproofness is medium, and rate of perviousness declines at low temperatures.The good mechanical performance of PET film, its obdurability is best in all thermoplasticss, tensile strength and resistance to impact shock more much higher than general film; And very power is good, dimensional stabilizing, is suitable for the secondary processing such as printing, paper bag.PET film also has excellent heat-resisting, winter hardiness and good chemical proofing and oil-proofness.But its not resistance to highly basic; Easy static electrification, does not still have the method for suitable anti-electrostatic, therefore should arouse attention when for packaging powdered article.Common PET belongs to crystalline polymer, after the stretched orientation of PET film, can produce crystallization largely, as sealed it, can produce shrinkage strain, therefore common PET film does not possess heat sealability.PET film, when being used as commodity packaging, for solving its hot-seal problem, usually adopting the method for BOPET film and PE film or CPP film being carried out compound, thus limiting the application of BOPET film to a certain extent.In order to solve heat-sealing problem, by the modification to PET resin, and adopt the die head of A/B/C three-decker, now develop three-layer co-extruded heat-sealing type PET film, this heat-sealing type PET film owing to there being one side to be heat salable layer, therefore directly can carry out heat sealing, use very convenient.Heat-sealing type PET film can be widely used in the field such as packaging and card-protecting film of extensive stock.And universal along with humanity concept, and the formation of novel harmonious society, designs that a kind of tear strength is high, void content and the high PET agricultural film of surface resistivity and preparation method thereof is very important.
Summary of the invention
the technical problem solved:
The application, for above-mentioned technical problem, provides a kind of PET agricultural film and preparation method thereof, solves the technical problems such as existing PET tear strength, void content and surface resistivity are low.
technical scheme:
A kind of PET agricultural film, the raw materials by weight portion proportioning of described PET agricultural film is as follows: PET100 part; Phosphoric acid 0.05-0.5 part; Polyoxyethylene glycol 0.5-2.5 part; PE1-20 part; SAS1-5 part; LDPE10-30 part; Oxidation inhibitor 40-60 part; POM30-50 part; Clay 0.1-0.3 part; Lithium chloride is 2-8 part; UV light absorber 0.3-0.7 part; Glycerine triacetate is 5-25 part; Stannic oxide 5-25 part; Titanium dioxide 1-20 part; PC is 25-45 part.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described PET agricultural film is as follows: PET100 part; Phosphoric acid 0.1-0.3 part; Polyoxyethylene glycol 1-2 part; PE5-15 part; SAS2-4 part; LDPE15-25 part; Oxidation inhibitor 45-55 part; POM35-45 part; Clay 0.15-0.25 part; Lithium chloride is 3-7 part; UV light absorber 0.4-0.6 part; Glycerine triacetate is 10-20 part; Stannic oxide 10-20 part; Titanium dioxide 5-15 part; PC is 30-40 part.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described PET agricultural film is as follows: PET100 part; Phosphoric acid 0.25 part; Polyoxyethylene glycol 1.5 parts; PE10 part; SAS3 part; LDPE20 part; 50 parts, oxidation inhibitor; POM40 part; Clay 0.2 part; Lithium chloride is 5 parts; UV light absorber 0.5 part; Glycerine triacetate is 15 parts; 15 parts, stannic oxide; Titanium dioxide 10 parts; PC is 35 parts.
As a preferred technical solution of the present invention: described oxidation inhibitor adopts antioxidant 1010 or irgasfos 168.
As a preferred technical solution of the present invention: described UV light absorber adopts UV-9 or benzophenone.
As a preferred technical solution of the present invention: the preparation method of described PET agricultural film, comprises the steps:
The first step: take PET, phosphoric acid, polyoxyethylene glycol, PE, SAS, LDPE, oxidation inhibitor, POM, clay, lithium chloride, UV light absorber, glycerine triacetate, stannic oxide, titanium dioxide and PC according to parts by weight proportioning;
Second step: PET, phosphoric acid, polyoxyethylene glycol, PE and SAS are dropped in reactor and be heated to 40-60 DEG C, stirs 5-25min;
3rd step: add surplus stock, heats up as 60-80 DEG C, stirs 25-45min;
4th step: mixed material is dropped in diameter 65mm forcing machine and extrude, barrel zone temperature 105 DEG C, 110 DEG C, 145 DEG C, 155 DEG C, 160 DEG C and 170 DEG C, head temperature 175-195 DEG C, screw speed 40-60r/min, port mould diameter 200-220mm, blow-up ratio 2.4-2.8, pulling speed 2.5-3.5m/min, thickness 0.08-0.12mm.
beneficial effect:
A kind of PET agricultural film of the present invention and preparation method thereof adopts above technical scheme compared with prior art, has following technique effect: 1, product electrostatic half-life 2.5-4.5s, surperficial intrinsic resistance 4.2 × 10
9-4.5 × 10
9Ω; 2, static friction coefficient 0.3-0.4, kinetic friction coefficient 0.2-0.3; 3, tear strength 0.1-0.3N/m, void content 54-56%; 4, condensation rate 0.7-1.3%, the widespread production not division of history into periods can replace current material.
Embodiment
embodiment 1:
PET100 part is taken according to parts by weight proportioning; Phosphoric acid 0.05 part; Polyoxyethylene glycol 0.5 part; PE1 part; SAS1 part; LDPE10 part; Irgasfos 168 is 40 parts; POM30 part; Clay 0.1 part; Lithium chloride is 2 parts; UV-9 is 0.3 part; Glycerine triacetate is 5 parts; 5 parts, stannic oxide; Titanium dioxide 1 part; PC is 25 parts.
PET, phosphoric acid, polyoxyethylene glycol, PE and SAS are dropped in reactor and be heated to 40 DEG C, stir 5min, add surplus stock, intensification is 60 DEG C, stirs 25min.
Mixed material is dropped in diameter 65mm forcing machine and extrude, barrel zone temperature 105 DEG C, 110 DEG C, 145 DEG C, 155 DEG C, 160 DEG C and 170 DEG C, head temperature 175 DEG C, screw speed 40r/min, port mould diameter 200mm, blow-up ratio 2.4, pulling speed 2.5m/min, thickness 0.08mm.
Product electrostatic half-life 2.5s, surperficial intrinsic resistance 4.2 × 10
9Ω; Static friction coefficient 0.3, kinetic friction coefficient 0.2; Tear strength 0.1N/m, void content 54%, condensation rate 1.3%.
embodiment 2:
PET100 part is taken according to parts by weight proportioning; Phosphoric acid 0.5 part; Polyoxyethylene glycol 2.5 parts; PE20 part; SAS5 part; LDPE30 part; Irgasfos 168 is 60 parts; POM50 part; Clay 0.3 part; Lithium chloride is 8 parts; UV-9 is 0.7 part; Glycerine triacetate is 25 parts; 25 parts, stannic oxide; Titanium dioxide 20 parts; PC is 45 parts.
PET, phosphoric acid, polyoxyethylene glycol, PE and SAS are dropped in reactor and be heated to 60 DEG C, stir 25min, add surplus stock, intensification is 80 DEG C, stirs 45min.
Mixed material is dropped in diameter 65mm forcing machine and extrude, barrel zone temperature 105 DEG C, 110 DEG C, 145 DEG C, 155 DEG C, 160 DEG C and 170 DEG C, head temperature 195 DEG C, screw speed 60r/min, port mould diameter 220mm, blow-up ratio 2.8, pulling speed 3.5m/min, thickness 0.12mm.
Product electrostatic half-life 3s, surperficial intrinsic resistance 4.3 × 10
9Ω; Static friction coefficient 0.33, kinetic friction coefficient 0.22; Tear strength 0.15N/m, void content 55%, condensation rate 0.8%.
embodiment 3:
PET100 part is taken according to parts by weight proportioning; Phosphoric acid 0.1 part; Polyoxyethylene glycol 1 part; PE5 part; SAS2 part; LDPE15 part; Antioxidant 1010 is 45 parts; POM35 part; Clay 0.15 part; Lithium chloride is 3 parts; UV-9 is 0.4 part; Glycerine triacetate is 10 parts; 10 parts, stannic oxide; Titanium dioxide 5 parts; PC is 30 parts.
PET, phosphoric acid, polyoxyethylene glycol, PE and SAS are dropped in reactor and be heated to 45 DEG C, stir 10min, add surplus stock, intensification is 65 DEG C, stirs 30min.
Mixed material is dropped in diameter 65mm forcing machine and extrude, barrel zone temperature 105 DEG C, 110 DEG C, 145 DEG C, 155 DEG C, 160 DEG C and 170 DEG C, head temperature 180 DEG C, screw speed 45r/min, port mould diameter 205mm, blow-up ratio 2.5, pulling speed 2.7m/min, thickness 0.09mm.
Product electrostatic half-life 3.5s, surperficial intrinsic resistance 4.3 × 10
9Ω; Static friction coefficient 0.35, kinetic friction coefficient 0.25; Tear strength 0.2N/m, void content 55%, condensation rate 0.9%.
embodiment 4:
PET100 part is taken according to parts by weight proportioning; Phosphoric acid 0.3 part; Polyoxyethylene glycol 2 parts; PE15 part; SAS4 part; LDPE25 part; Antioxidant 1010 is 55 parts; POM45 part; Clay 0.25 part; Lithium chloride is 7 parts; Benzophenone 0.6 part; Glycerine triacetate is 20 parts; 20 parts, stannic oxide; Titanium dioxide 15 parts; PC is 40 parts.
PET, phosphoric acid, polyoxyethylene glycol, PE and SAS are dropped in reactor and be heated to 60 DEG C, stir 20min, add surplus stock, intensification is 75 DEG C, stirs 40min.
Mixed material is dropped in diameter 65mm forcing machine and extrude, barrel zone temperature 105 DEG C, 110 DEG C, 145 DEG C, 155 DEG C, 160 DEG C and 170 DEG C, head temperature 190 DEG C, screw speed 55r/min, port mould diameter 215mm, blow-up ratio 2.7, pulling speed 3m/min, thickness 0.11mm.
Product electrostatic half-life 4s, surperficial intrinsic resistance 4.4 × 10
9Ω; Static friction coefficient 0.37, kinetic friction coefficient 0.28; Tear strength 0.1-0.3N/m, void content 56%, condensation rate 1.1%.
embodiment 5:
PET100 part is taken according to parts by weight proportioning; Phosphoric acid 0.25 part; Polyoxyethylene glycol 1.5 parts; PE10 part; SAS3 part; LDPE20 part; Antioxidant 1010 is 50 parts; POM40 part; Clay 0.2 part; Lithium chloride is 5 parts; Benzophenone 0.5 part; Glycerine triacetate is 15 parts; 15 parts, stannic oxide; Titanium dioxide 10 parts; PC is 35 parts.
PET, phosphoric acid, polyoxyethylene glycol, PE and SAS are dropped in reactor and be heated to 50 DEG C, stir 15min, add surplus stock, intensification is 70 DEG C, stirs 35min.
Mixed material is dropped in diameter 65mm forcing machine and extrude, barrel zone temperature 105 DEG C, 110 DEG C, 145 DEG C, 155 DEG C, 160 DEG C and 170 DEG C, head temperature 185 DEG C, screw speed 50r/min, port mould diameter 210mm, blow-up ratio 2.6, pulling speed 3m/min, thickness 0.1mm.
Product electrostatic half-life 4.5s, surperficial intrinsic resistance 4.5 × 10
9Ω; Static friction coefficient 0.4, kinetic friction coefficient 0.3; Tear strength 0.3N/m, void content 56%, condensation rate 1.3%.
Composition all components in above embodiment all can business be bought.
Above-described embodiment is just for setting forth content of the present invention, instead of restriction, and any change therefore in the implication suitable with claims of the present invention and scope, all should think to be included in the scope of claims.
Claims (6)
1. a PET agricultural film, is characterized in that the raw materials by weight portion proportioning of described PET agricultural film is as follows: PET100 part; Phosphoric acid 0.05-0.5 part; Polyoxyethylene glycol 0.5-2.5 part; PE1-20 part; SAS1-5 part; LDPE10-30 part; Oxidation inhibitor 40-60 part; POM30-50 part; Clay 0.1-0.3 part; Lithium chloride is 2-8 part; UV light absorber 0.3-0.7 part; Glycerine triacetate is 5-25 part; Stannic oxide 5-25 part; Titanium dioxide 1-20 part; PC is 25-45 part.
2. a kind of PET agricultural film according to claim 1, is characterized in that described PET agricultural film raw materials by weight portion proportioning is as follows: PET100 part; Phosphoric acid 0.1-0.3 part; Polyoxyethylene glycol 1-2 part; PE5-15 part; SAS2-4 part; LDPE15-25 part; Oxidation inhibitor 45-55 part; POM35-45 part; Clay 0.15-0.25 part; Lithium chloride is 3-7 part; UV light absorber 0.4-0.6 part; Glycerine triacetate is 10-20 part; Stannic oxide 10-20 part; Titanium dioxide 5-15 part; PC is 30-40 part.
3. a kind of PET agricultural film according to claim 1, is characterized in that the raw materials by weight portion proportioning of described PET agricultural film is as follows: PET100 part; Phosphoric acid 0.25 part; Polyoxyethylene glycol 1.5 parts; PE10 part; SAS3 part; LDPE20 part; 50 parts, oxidation inhibitor; POM40 part; Clay 0.2 part; Lithium chloride is 5 parts; UV light absorber 0.5 part; Glycerine triacetate is 15 parts; 15 parts, stannic oxide; Titanium dioxide 10 parts; PC is 35 parts.
4. a kind of PET agricultural film according to claim 1, is characterized in that: described oxidation inhibitor adopts antioxidant 1010 or irgasfos 168.
5. a kind of PET agricultural film according to claim 1, is characterized in that: described UV light absorber adopts UV-9 or benzophenone.
6. a preparation method for PET agricultural film described in claim 1, is characterized in that, comprise the steps:
The first step: take PET, phosphoric acid, polyoxyethylene glycol, PE, SAS, LDPE, oxidation inhibitor, POM, clay, lithium chloride, UV light absorber, glycerine triacetate, stannic oxide, titanium dioxide and PC according to parts by weight proportioning;
Second step: PET, phosphoric acid, polyoxyethylene glycol, PE and SAS are dropped in reactor and be heated to 40-60 DEG C, stirs 5-25min;
3rd step: add surplus stock, heats up as 60-80 DEG C, stirs 25-45min;
4th step: mixed material is dropped in diameter 65mm forcing machine and extrude, barrel zone temperature 105 DEG C, 110 DEG C, 145 DEG C, 155 DEG C, 160 DEG C and 170 DEG C, head temperature 175-195 DEG C, screw speed 40-60r/min, port mould diameter 200-220mm, blow-up ratio 2.4-2.8, pulling speed 2.5-3.5m/min, thickness 0.08-0.12mm.
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| CN201510133569.XA CN104893258A (en) | 2015-03-26 | 2015-03-26 | Agricultural PET film and preparation method therefor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107459790A (en) * | 2017-09-21 | 2017-12-12 | 南通盛赫园林古建筑工程有限公司 | A kind of plastic foil for being used to protect flowers and trees |
| CN108795002A (en) * | 2018-07-03 | 2018-11-13 | 阜南县猛发工艺品有限公司 | A kind of fire-retardant cut resistant protective film of UV resistance |
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| CN101914275A (en) * | 2010-08-12 | 2010-12-15 | 东莞市信诺橡塑工业有限公司 | Polycarbonate composition and preparation method thereof |
| CN102311608A (en) * | 2010-07-09 | 2012-01-11 | 中国科学院金属研究所 | Polyaniline composite antibacterial plastic as well as preparation method and application thereof |
| CN103740083A (en) * | 2013-12-28 | 2014-04-23 | 重庆普利特新材料有限公司 | Ultraviolet-resistant PC (polycarbonate)/PET (polyethylene terephthalate) alloy material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102311608A (en) * | 2010-07-09 | 2012-01-11 | 中国科学院金属研究所 | Polyaniline composite antibacterial plastic as well as preparation method and application thereof |
| CN101914275A (en) * | 2010-08-12 | 2010-12-15 | 东莞市信诺橡塑工业有限公司 | Polycarbonate composition and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107459790A (en) * | 2017-09-21 | 2017-12-12 | 南通盛赫园林古建筑工程有限公司 | A kind of plastic foil for being used to protect flowers and trees |
| CN108795002A (en) * | 2018-07-03 | 2018-11-13 | 阜南县猛发工艺品有限公司 | A kind of fire-retardant cut resistant protective film of UV resistance |
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