CN102993541A - Special biomineral source type food packaging bag (film) - Google Patents
Special biomineral source type food packaging bag (film) Download PDFInfo
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- CN102993541A CN102993541A CN 201110276978 CN201110276978A CN102993541A CN 102993541 A CN102993541 A CN 102993541A CN 201110276978 CN201110276978 CN 201110276978 CN 201110276978 A CN201110276978 A CN 201110276978A CN 102993541 A CN102993541 A CN 102993541A
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Abstract
The invention relates to a special biomineral source type food packaging bag (film), which can be used as a light packaging bag for food, a preservative film, a lining surface of a food packaging container, a mulching film of a vegetable greenhouse, a greenhouse film, and the like. The special biomineral source type food packaging bag (film) has the characteristics of being innocuous and harmless, antiseptic and antibacterial, degradable and reproducible, healthy and environment-friendly, wearable and durable, wide in application range and convenient to use, and the like, and is an environment-friendly ecological multifunctional food packaging bag (film).
Description
Technical field the present invention relates to a kind of special biomineral derived food packing bag (film), and effective ingredient is polyethylene (PE), butyl phthaloyl glycol butanols (BPBG), biogenic activated earth, biological activity lipid fatty amide, high-molecular biologic plain polymerization element alive, photocatalyst of titanium dioxide, wooden fish stone flour, stearic acid, epoxy soybean oil, calcium-zinc composite stabilizing agent, nano level Si02 powder.Through ratio allotment, batching mix, extrude, the operation such as blowing makes certain thickness packing bag (film), or evenly coat food packaging carton while hot, paper bag, carton, aluminum foil inner layer.Of the present invention having wide range of applications, can be used as mulch film, canopy film of inner bag face, the green house of vegetables of lightweight package bag, preservative film, the food container of food etc., easily machine-shaping, high comprehensive performance, have nontoxic, degradable regenerative, anti-corrosive antibacterial, have wide range of applications, the characteristics such as easy to use, be the multifunctional food packaging bag (film) of environment protection ecological type.
The background technology plastics have thoroughly been overturned the existing mode of life of people as one of the invention of great significance in 20th century, for daily life brought many convenient.This wherein, the most general application be exactly with plastics make plastics bag, preservative film is used for packing foods, belongings, fresh-keeping preservation etc.When plastics bag or preservative film were used for the packing of food and storage, it was poor often to occur inevitably because of ventilation property, and the event that causes food to rot occurs.Rot and do not it is found that and eat by mistake if food itself is slight, the diseases such as food poisoning, gastrointestinal inflammation, flora imbalance enteritis, dysentery enteritis, gastrointestinal dysfunction then may appear, threaten user's health, offended avoiding greatly of food packaging safety problem.In addition, plastics have also brought the future trouble that is difficult to tidy up to environment, and people call " white pollution " to plastics to the disaster that environment brings.At present, the Chinese Plastics annual production is 3,000,000 tons, and consumption is more than 6,000,000 tons.Whole world plastics annual production is 100,000,000 tons, if the discarded amount of the plastics by annual 15% is calculated, the discarded amount of whole world year plastics is exactly 1,500 ten thousand tons, the discarded amount of year plastics of China is more than 1,000,000 tons, the ratio of waste plastic in rubbish accounts for 40%, a large amount of like this waste plastics are buried under the ground as rubbish, bring larger pressure for undoubtedly original tilling the land of just lacking.In order to tackle potential food product pack pollution and difficult degradation problem, build the living environment of environment protection health, we have invented a kind of special biomineral derived food packing bag (film).This invention selects food grade materials to make plastics bag (film), nontoxic, nonirritant, have lasting antibacterial anti-corrosion function, easily degraded, but, acid and alkali-resistance Reusability little, wear-resisting to environmental influence, the problems that can avoid existing plastics bag goods to occur have the advantages such as anti-corrosive antibacterial, health environment-friendly, wear-resisting durable, easy processing.
Summary of the invention main points of the present invention are to select suitable component, and carry out rational mixture, are prepared from through production technique such as ratio allotment, batching mixing, extrusion molding, blowings.The prescription following (component and weight percent %) that the present invention selects: polyethylene (PE) 50-70, butyl phthaloyl glycol butanols (BPBG) 10-20, biogenic activated earth 3-8, biological activity lipid fatty amide 1-3, high-molecular biologic plain polymerization element 2-5, photocatalyst of titanium dioxide 0.01-0.1 alive, wooden fish stone flour 2-5, stearic acid 0.3-1.5, epoxy soybean oil 2-4, calcium-zinc composite stabilizing agent 3-6, nano level SiO2 powder 0.5-1.5.
Polyethylene is called for short PE, is a kind of thermoplastic resin that ethene makes through polymerization.The polyethylene odorless, nontoxic, the feel ceraceous, has good resistance to low temperature (minimum use temperature can reach-70～-100 ℃), chemical stability is good, and the erosion of the most of soda acids of ability (not anti-acid with oxidizing property) is insoluble to common solvent under the normal temperature, water-absorbent is little, and electrical insulation capability is good; Adopt different production methods can get different densities (0.91～0.96g/cm3) product.Polyethylene can be with the forming process of general thermoplastics.Purposes is very extensive, is mainly used to make film, container, pipeline, monofilament, electric wire, daily necessities etc., and can be used as the high-frequency insulation material of TV, radar etc.
Butyl phthaloyl butyl glycolate (BPBG), colourless oil liquid.Colourity (APHA)＜50 ℃.Purity＞99%.Acidity (with acetometer)＜0.05%.Ash content＜0.02%.Density 1.104g/cm3 (20) ℃.Viscosity 51mPa.s (25 ℃).Zero pour-35 ℃.199 ℃ of boiling point 345 ℃ (0.1MPa), 219 ℃ of (0.67kPa) flash-points (opening agar diffusion method), specific refractory power 1.490 (25 ℃).Evaporation rate 0.000081g/cm2/h (100 ℃).Solubleness 0.0012 in water (30 ℃), can with Viscotrol C, inferior Toenol 1140, winter hardiness, even at-35 ℃ low temperature, with many resin compatibles.This product can be given the superior flexibility of goods, weathering resistance and elasticity as the softening agent of polyethylene, polychlorostyrene alkene, polystyrene, acrylic resin, Synolac, resol, polyvinyl acetate (PVA), N-BUTYL ACETATE Mierocrystalline cellulose, these third many polymkeric substance such as Mierocrystalline cellulose of vinegar.This product is tasteless, odorless, nontoxic, oil resistant and solvent extractable are good, is specially adapted to make food product pack and medical goods.
The biogenic activated earth is that precision work forms take biological leaf rock potter's clay raw material as base-material.It has enough chemical stabilities, in alkalescence, neutral, sour water or do not dissolve in the oil, is the best product of processing and purify acid, neutrality and alkaline water.Also have certain graininess, do not contain harmful metal ion and poisonous and harmful impurity, the volatility toxic and harmful is had interception, filtration, absorption, diffusion.
Biological activity lipid fatty amide and high-molecular biologic plain polymerization element alive is pure natural toxicological harmless material, can suppress and intervene enzyme system and the splitting function of bacterium, virus, also can change the perviousness of cell walls, thereby destroyed the normal picked-up of harmful microorganism nutrient, make the breeding function forfeiture of bacterium, virus, reach sterilizing function.
The mechanism of action of photocatalyst of titanium dioxide is: TiO
2Produced electron-hole pair after the illumination, and with OH one and the O of its surface adsorption
2One effect generates hydroxyl radical free radical and superoxide anion radical O
2One.These two kinds of free radicals are all very active; the cell of directtissima bacterium when running into bacterium extracts organic H atom or attacks its unsaturated link(age), causes bacterioprotein variation and lipolysis; with this kill bacteria and make it to decompose, play the effect of sterilization, mildew-resistant, deodorizing.
The trace element and the mineral substance that contain multiple needed by human in the MUSYUSHI are such as strontium, selenium, zinc, metasilicic acid, copper, cobalt, germanium etc.; Because of uranium in the MUSYUSHI and ree content moderate, so the anticorrosion and permeability of plastics is good, freshness date that can food and extend.
Stearic acid is widely used in the manufacturing of PVC plastic pipe, sheet material, section bar, film, is the PVC thermo-stabilizer, has good oilness and preferably light, heat stabilization.In the plastic pvc pipe, stearic acid helps to prevent " coking " in the course of processing, and adding in the PVC processing film is a kind of effective thermo-stabilizer, can defend cruelly to place simultaneously the caused finished films variable color of sulfide.
Epoxy soybean oil is usually used in the processing of plastics as nontoxicity tranquilizer and plasticizer.It meets the requirement of U.S. FDA food additives rule, and obtains the approval of Japanese JHPA (PVC food sanitation consultation).Have the characteristics such as nontoxicity, low volatility, anti-extractable and anti-dividing a word with a hyphen at the end of a line property, weathering resistance, thermotolerance, the transparency of polyvinyl chloride resin are significantly improved, be particularly suitable for doing packaging material for food.
Calcium zinc stabilizer is synthesized for main ingredient adopts special recombining process by calcium salt, zinc salt, lubricant, oxidation inhibitor etc.It not only can replace the poisonous stablizers such as plumbous cadmium salt class and organic tin, and has goodish thermostability, light stability and the transparency and tinting strength, and the materials such as not leaded, cadmium, tin belong to the environment-friendly type one package stabilizer.Facts have proved, in the polyvinyl chloride resin goods, good processability, heat stabilization is equivalent to lead salt stabilizer, is a kind of good non-toxic stabilizer.Good dispersiveness, consistency, processing fluidity are arranged in the polyvinyl chloride resin course of processing, wide adaptability, product surface smooth finish is excellent; Stabilising effect is good, and consumption is few, has multifunctionality; In white goods, whiteness is better than its like product.
Nano level SiO2 powder is a kind of nontoxic, tasteless, free of contamination ceramic.Because the good performances such as it possesses that temperature tolerance is good, acid-alkali-corrosive-resisting, poor thermal conductivity, high insulation, low bulk, stable chemical performance, hardness are large can be used for the interpolation preparation of plastics, the wear resisting property of reinforced plastics goods.
Preparation method of the present invention:
(1) with polyethylene (PE), butyl phthaloyl glycol butanols (BPBG), biogenic activated earth, biological activity lipid fatty amide, high-molecular biologic plain polymerization element alive, photocatalyst of titanium dioxide, wooden fish stone flour, stearic acid, epoxy soybean oil, calcium-zinc composite stabilizing agent, nano level SiO2 powder, prepares according to formula rate;
(2) with after the above-mentioned raw materials mixing, send in the forcing machine and melt, and further mix;
(3) polymkeric substance with fusing passes through various mouthful of mould, is processed into required plastic wrapping work in-process.As make plastics film, and the polymkeric substance of fusing is sent into the flat port mould, the membranoid substance of extruding can make flat film by the drum cooler cooling and shaping that the surface is very smooth.As make plastic packaging bag, and then produce with inflation method, with the pipe of die extrusion pressurized air inflation, can make cylindrical membrane.
(4) following process of plastics film and plastics bag.As prepared flat film is sent into tenter machine, laterally stretch simultaneously 4-8 doubly vertical reaching, during owing to stretching, macromolecular orientation is so that the intensity of film is very high; Cylindrical membrane will further weld as making, the plastics bag finished product is made in cutting.
(5) as making food product pack inner bag face, the polymkeric substance of fusing in the method (2) evenly can be coated while hot the internal layer of food packaging carton, paper bag, carton, aluminium foil, be treated that its cooling drying gets final product.
(6) after the cooling, warehouse-in.
The present invention compares with existing food pack, has the following advantages: (1) selects food grade materials to make, nontoxic, nonirritant; (2) have lasting antibacterial anti-corrosion function, antibiotic rate can reach 99.9%, the storage life of food and extend; (3) easily degraded is little to environmental influence; (4) if be used for contain fluid food, can separate out the multi mineral prime element, have health-care effect; (5) can adsorb objectionable impurities and gas; (6) production technique is advanced, easily machine-shaping; (7) of many uses, can be used for mulch film, canopy film of inner bag face, the green house of vegetables of lightweight package bag, preservative film, the food container of food etc.; (8) easy to use, but wear-resisting, acid and alkali-resistance Reusability.
The present invention is described in further detail below in conjunction with embodiment for embodiment:
(1) carry out the preparation of special biomineral derived food packing bag (film) raw material according to following table institute column data (weight percent %):
Prescription one:
Polyethylene (PE) 50-70, butyl phthaloyl glycol butanols (BPBG) 10-20, biogenic activated earth 3-8, biological activity lipid fatty amide 1-3, high-molecular biologic plain polymerization element 2-5, photocatalyst of titanium dioxide 0.01-0.1 alive, wooden fish stone flour 2-5, stearic acid 0.3-1.5, epoxy soybean oil 2-4, calcium-zinc composite stabilizing agent 3-6, nano level SiO2 powder 0.5-1.5.
Prescription two:
Polyethylene (PE) 58-70, butyl phthaloyl glycol butanols (BPBG) 13-20, biogenic activated earth 5-8, biological activity lipid fatty amide 2-3, high-molecular biologic plain polymerization element 3-5, photocatalyst of titanium dioxide 0.05-0.1 alive, wooden fish stone flour 3-5, stearic acid 0.6-1.5, epoxy soybean oil 2.5-4, calcium-zinc composite stabilizing agent 4-6, nano level SiO2 powder 0.7-1.5.
Prescription three:
Polyethylene (PE) 50-65, butyl phthaloyl glycol butanols (BPBG) 10-18, biogenic activated earth 3-7, biological activity lipid fatty amide 1-2, high-molecular biologic plain polymerization element 2-4, photocatalyst of titanium dioxide 0.01-0.06 alive, wooden fish stone flour 2-5, stearic acid 0.3-1.2, epoxy soybean oil 2-3.2, calcium-zinc composite stabilizing agent 3-5, nano level SiO2 powder 0.5-1.3.
(2) after preparation is finished, produce according to being prepared as follows technique:
1. after above-mentioned raw materials being mixed, send in the forcing machine and melt, and further mix;
2. the polymkeric substance with fusing passes through various mouthful of mould, is processed into required plastic wrapping work in-process.As make plastics film, and the polymkeric substance of fusing is sent into the flat port mould, the membranoid substance of extruding can make flat film by the drum cooler cooling and shaping that the surface is very smooth.As make plastic packaging bag, and then produce with inflation method, with the pipe of die extrusion pressurized air inflation, can make cylindrical membrane.
3. the following process of plastics film and plastics bag.As prepared flat film is sent into tenter machine, laterally stretch simultaneously 4-8 doubly vertical reaching, during owing to stretching, macromolecular orientation is so that the intensity of film is very high; Cylindrical membrane will further weld as making, the plastics bag finished product is made in cutting.
4. as making food product pack inner bag face, the polymkeric substance of fusing in the method (2) evenly can be coated while hot the internal layer of food packaging carton, paper bag, carton, aluminium foil, be treated that its cooling drying gets final product.
5. after the cooling, put in storage.
Claims (3)
1. the present invention relates to a kind of special biomineral derived food packing bag (film), it is characterized in that having following prescription (component and weight percent %): polyethylene (PE) 50-70, butyl phthaloyl glycol butanols (BPBG) 10-20, biogenic activated earth 3-8, biological activity lipid fatty amide 1-3, high-molecular biologic plain polymerization element 2-5, photocatalyst of titanium dioxide 0.01-0.1 alive, wooden fish stone flour 2-5, stearic acid 0.3-1.5, epoxy soybean oil 2-4, calcium-zinc composite stabilizing agent 3-6, nano level SiO2 powder 0.5-1.5.
2. special biomineral derived food according to claim 1 packing bag (film) is characterized in that having following use range: the inner bag face of the lightweight package bag of food, preservative film, food container, the mulch film of green house of vegetables, canopy film.
3. special biomineral derived food according to claim 1 packing bag (film) is characterized in that having the technique of being prepared as follows:
(1) with polyethylene (PE), butyl phthaloyl glycol butanols (BPBG), biogenic activated earth, biological activity lipid fatty amide, high-molecular biologic plain polymerization element alive, photocatalyst of titanium dioxide, wooden fish stone flour, stearic acid, epoxy soybean oil, calcium-zinc composite stabilizing agent, nano level SiO2 powder, prepares according to formula rate;
(2) with after the above-mentioned raw materials mixing, send in the forcing machine and melt, and further mix;
(3) polymkeric substance with fusing passes through various mouthful of mould, is processed into required plastic wrapping work in-process.As make plastics film, and the polymkeric substance of fusing is sent into the flat port mould, the membranoid substance of extruding can make flat film by the drum cooler cooling and shaping that the surface is very smooth.As make plastic packaging bag, and then produce with inflation method, with the pipe of die extrusion pressurized air inflation, can make cylindrical membrane;
(4) following process of plastics film and plastics bag.As prepared flat film is sent into tenter machine, laterally stretch simultaneously 4-8 doubly vertical reaching, during owing to stretching, macromolecular orientation is so that the intensity of film is very high; Cylindrical membrane will further weld as making, the plastics bag finished product is made in cutting;
(5) as making food product pack inner bag face, the polymkeric substance of fusing in the method (2) evenly can be coated while hot the internal layer of food packaging carton, paper bag, carton, aluminium foil, be treated that its cooling drying gets final product;
(6) after the cooling, warehouse-in.
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| CN 201110276978 CN102993541A (en) | 2011-09-19 | 2011-09-19 | Special biomineral source type food packaging bag (film) |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304878A (en) * | 2013-06-24 | 2013-09-18 | 苏州新区佳合塑胶有限公司 | Heat isolation and heat preservation plastic thin film |
| CN104495098A (en) * | 2014-11-11 | 2015-04-08 | 句容市茂源织造厂 | Green vegetable package |
| CN106317634A (en) * | 2016-08-31 | 2017-01-11 | 福建凯达集团有限公司 | Plastic bag with drying function and preparation method of plastic bag |
| CN108641156A (en) * | 2018-04-28 | 2018-10-12 | 钱万琦 | A kind of preparation method of modified resin base bubble bags material |
| US10294343B2 (en) | 2014-09-24 | 2019-05-21 | The Chemours Company Fc, Llc | Materials with enhanced protection of light sensitive entities |
-
2011
- 2011-09-19 CN CN 201110276978 patent/CN102993541A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304878A (en) * | 2013-06-24 | 2013-09-18 | 苏州新区佳合塑胶有限公司 | Heat isolation and heat preservation plastic thin film |
| US10294343B2 (en) | 2014-09-24 | 2019-05-21 | The Chemours Company Fc, Llc | Materials with enhanced protection of light sensitive entities |
| CN104495098A (en) * | 2014-11-11 | 2015-04-08 | 句容市茂源织造厂 | Green vegetable package |
| CN106317634A (en) * | 2016-08-31 | 2017-01-11 | 福建凯达集团有限公司 | Plastic bag with drying function and preparation method of plastic bag |
| CN108641156A (en) * | 2018-04-28 | 2018-10-12 | 钱万琦 | A kind of preparation method of modified resin base bubble bags material |
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Application publication date: 20130327 |