CN105218969A - A kind of fruit-vegetable plastic wrap and preparation technology thereof with microvoid structure - Google Patents
A kind of fruit-vegetable plastic wrap and preparation technology thereof with microvoid structure Download PDFInfo
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- CN105218969A CN105218969A CN201510600966.3A CN201510600966A CN105218969A CN 105218969 A CN105218969 A CN 105218969A CN 201510600966 A CN201510600966 A CN 201510600966A CN 105218969 A CN105218969 A CN 105218969A
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Abstract
The invention discloses a kind of fruit-vegetable plastic wrap and the preparation technology thereof with microvoid structure, it is characterized in that: consist of by weight: the polyvinyl chloride of 1200 ~ 1400 parts, the silicon-dioxide of 100 ~ 120 parts, the kaolin of 120 ~ 160 parts, the sodium alginate of 8 ~ 30 parts, the casein of 200 ~ 400 parts, the dioctyl phthalate (DOP) of 320 ~ 480 parts, the UV light absorber of 2 ~ 8 parts, the stearic acid of 1 ~ 9 part, the polyphenylene phosphonic acids sulfobenzide ester of 20 ~ 50 parts, the beeswax of the antiseptic-germicide of 4 ~ 28 parts and 150 ~ 250 parts, wherein dioctyl phthalate (DOP) is softening agent.The beneficial effect that the present invention reaches: this technology drilling is effective, technique simple, product cost is lower.By adding appropriate inorganic particle, the weight of weightening finish film, while the transparency increasing film, further increases film strength and flexibility, makes it have better fresh-keeping effect, extends and sells the cycle, reduce the wastage, thus reduces supermarket operation cost.
Description
Technical field
The invention belongs to technical field of plastic package, be specifically related to a kind of fruit-vegetable plastic wrap and the preparation technology thereof with microvoid structure.
Background technology
The fruits and vegetables convenience store in current supermarket has better attraction to allow sold fruits and vegetables, and often marked price after several fruits and vegetables individuality foam pallet and preservative film packing sold, the benefit so done is: one is make visually more to improve grade by packaging; Two are that of avoiding client ensures hygienic safety with direct contact of fruits and vegetables; Three is make client accomplish to buy as required by marked price.Make it have more attraction although adopt preservative film to carry out simple packaging to fruit-vegetable food, because fruits and vegetables commodity not only will prevent insect bite or the infringement of other external force, also to ensure the bad air produced in storage to discharge in time guarantee fresh.But currently used preservative film is but difficult to accomplish this point, therefore the fruit and vegetable food that can not sell in time is just also existed and accelerate corrupt possibility.
Summary of the invention
The present invention proposes a kind of fruit-vegetable plastic wrap and the preparation technology thereof with microvoid structure, micropore can be produced to improve fresh-keeping effect.
Technical solution of the present invention: a kind of fruit-vegetable plastic wrap with microvoid structure, consist of by weight: the polyvinyl chloride of 1200 ~ 1400 parts, the silicon-dioxide of 100 ~ 120 parts, the kaolin of 120 ~ 160 parts, the sodium alginate of 8 ~ 30 parts, the casein of 200 ~ 400 parts, the dioctyl phthalate (DOP) of 320 ~ 480 parts, the UV light absorber of 2 ~ 8 parts, the stearic acid of 1 ~ 9 part, the polyphenylene phosphonic acids sulfobenzide ester of 20 ~ 50 parts, the beeswax of the antiseptic-germicide of 4 ~ 28 parts and 150 ~ 250 parts, wherein dioctyl phthalate (DOP) is softening agent.
In the present invention, antiseptic-germicide is the one in silver ion antimicrobial agent, Vanillin or ethyl vanillin aldehyde compound.
In the present invention, also comprise the ultramarine of 0.2 ~ 0.6 part, as complementary color agent.
In the present invention, kaolin is ultrafine kaolin, and the content that its particle diameter is less than 2 μm accounts for 90 ~ 95%.
In the present invention, consist of by weight: the polyvinyl chloride of 1200 parts, the silicon-dioxide of 100 parts, the kaolin of 120 parts, the sodium alginate of 8 parts, the casein of 200 parts, the dioctyl phthalate (DOP) of 320 parts, the UV light absorber of 8 parts, the stearic acid of 9 parts, the polyphenylene phosphonic acids sulfobenzide ester of 50 parts, the beeswax of the antiseptic-germicide of 28 parts and 250 parts.
In the present invention, consist of by weight: the polyvinyl chloride of 1400 parts, the silicon-dioxide of 120 parts, the kaolin of 160 parts, the sodium alginate of 30 parts, the casein of 400 parts, the dioctyl phthalate (DOP) of 480 parts, the UV light absorber of 2 parts, the stearic acid of 1 part, the polyphenylene phosphonic acids sulfobenzide ester of 20 parts, the beeswax of the antiseptic-germicide of 4 parts and 150 parts.
In the present invention, consist of by weight: the polyvinyl chloride of 1300 parts, the silicon-dioxide of 110 parts, the kaolin of 140 parts, the sodium alginate of 19 parts, the casein of 300 parts, the dioctyl phthalate (DOP) of 400 parts, the UV light absorber of 5 parts, the stearic acid of 5 parts, the polyphenylene phosphonic acids sulfobenzide ester of 35 parts, the beeswax of the antiseptic-germicide of 16 parts and 200 parts.
The invention also discloses a kind of preparation technology with the fruit-vegetable plastic wrap of microvoid structure, comprise the following steps: step 1), dissolve: the polyvinyl chloride getting 1200 ~ 1400 parts by weight, the silicon-dioxide of 100 ~ 120 parts, the kaolin of 120 ~ 160 parts, the sodium alginate of 8 ~ 30 parts, the casein of 200 ~ 400 parts, the dioctyl phthalate (DOP) of 320 ~ 480 parts, the UV light absorber of 2 ~ 8 parts, the stearic acid of 1 ~ 9 part, the polyphenylene phosphonic acids sulfobenzide ester of 20 ~ 50 parts, the beeswax of the antiseptic-germicide of 4 ~ 28 parts and 150 ~ 250 parts; Above-mentioned raw materials mix and blend at 180 DEG C of temperature is dissolved, after stirring, is cooled to 165 DEG C; Step 2), blown film: cooled for the stirring in step 1 mixture is poured in twin screw extruder, extrudes and plasticate, blown film, dry; Blown film temperature is 170 DEG C, and the rotating speed of twin screw extruder is 18r/min.
The beneficial effect that the present invention reaches: this technology drilling is effective, technique simple, product cost is lower.By adding appropriate inorganic particle, the weight of weightening finish film, while the transparency increasing film, further increases film strength and flexibility, makes it have better fresh-keeping effect, extends and sells the cycle, reduce the wastage, thus reduces supermarket operation cost.
Embodiment
Below in conjunction with embodiment, technical solution of the present invention is described in further detail, but protection scope of the present invention is not limited to described embodiment.
Embodiment one
A kind of fruit-vegetable plastic wrap with microvoid structure, consist of by weight: the polyvinyl chloride of 1200 parts, the silicon-dioxide of 100 parts, the kaolin of 120 parts, the sodium alginate of 8 parts, the casein of 200 parts, the dioctyl phthalate (DOP) of 320 parts, the UV light absorber of 8 parts, the stearic acid of 9 parts, the polyphenylene phosphonic acids sulfobenzide ester of 50 parts, the antiseptic-germicide of 28 parts, the ultramarine of the beeswax of 250 parts and 0.2 part.Wherein antiseptic-germicide is silver ion antimicrobial agent, further preferably with the SilvaDur of the Dow Chemical Company
tMeT product; Ultramarine is as complementary color agent; Kaolin is ultrafine kaolin, and the content that its particle diameter is less than 2 μm accounts for 90%.
Preparation technology comprises, step 1), dissolves: dissolved by above-mentioned raw materials mix and blend at 180 DEG C of temperature, be cooled to 165 DEG C after stirring; Step 2), blown film: cooled for the stirring in step 1 mixture is poured in twin screw extruder, extrudes and plasticate, blown film, dry; Blown film temperature is 170 DEG C, and the rotating speed of twin screw extruder is 18r/min.
Embodiment two
A kind of fruit-vegetable plastic wrap with microvoid structure, consist of by weight: the polyvinyl chloride of 1400 parts, the silicon-dioxide of 120 parts, the kaolin of 160 parts, the sodium alginate of 30 parts, the casein of 400 parts, the dioctyl phthalate (DOP) of 480 parts, the UV light absorber of 2 parts, the stearic acid of 1 part, the polyphenylene phosphonic acids sulfobenzide ester of 20 parts, the antiseptic-germicide of 4 parts, the ultramarine of the beeswax of 150 parts and 0.6 part.Wherein, antiseptic-germicide is Vanillin, and kaolin is ultrafine kaolin, and the content that its particle diameter is less than 2 μm accounts for 93%.
Embodiment three
A kind of fruit-vegetable plastic wrap with microvoid structure, consist of by weight: the polyvinyl chloride of 1300 parts, the silicon-dioxide of 110 parts, the kaolin of 140 parts, the sodium alginate of 19 parts, the casein of 300 parts, the dioctyl phthalate (DOP) of 400 parts, the UV light absorber of 5 parts, the stearic acid of 5 parts, the polyphenylene phosphonic acids sulfobenzide ester of 35 parts, the antiseptic-germicide of 16 parts, the ultramarine of the beeswax of 200 parts and 0.4 part.Wherein, antiseptic-germicide is ethyl vanillin aldehyde compound, and kaolin is ultrafine kaolin, and the content that its particle diameter is less than 2 μm accounts for 95%.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from spirit of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. one kind has the fruit-vegetable plastic wrap of microvoid structure, it is characterized in that: consist of by weight: the polyvinyl chloride of 1200 ~ 1400 parts, the silicon-dioxide of 100 ~ 120 parts, the kaolin of 120 ~ 160 parts, the sodium alginate of 8 ~ 30 parts, the casein of 200 ~ 400 parts, the dioctyl phthalate (DOP) of 320 ~ 480 parts, the UV light absorber of 2 ~ 8 parts, the stearic acid of 1 ~ 9 part, the polyphenylene phosphonic acids sulfobenzide ester of 20 ~ 50 parts, the beeswax of the antiseptic-germicide of 4 ~ 28 parts and 150 ~ 250 parts, wherein dioctyl phthalate (DOP) is softening agent.
2. a kind of fruit-vegetable plastic wrap with microvoid structure according to claim 1, is characterized in that: antiseptic-germicide is the one in silver ion antimicrobial agent, Vanillin or ethyl vanillin aldehyde compound.
3. a kind of fruit-vegetable plastic wrap with microvoid structure according to claim 1, is characterized in that: the ultramarine also comprising 0.2 ~ 0.6 part, as complementary color agent.
4. a kind of fruit-vegetable plastic wrap with microvoid structure according to claim 1, is characterized in that: kaolin is ultrafine kaolin, and the content that its particle diameter is less than 2 μm accounts for 90 ~ 95%.
5. according to the arbitrary described a kind of fruit-vegetable plastic wrap with microvoid structure of Claims 1-4, it is characterized in that: consist of by weight: the polyvinyl chloride of 1200 parts, the silicon-dioxide of 100 parts, the kaolin of 120 parts, the sodium alginate of 8 parts, the casein of 200 parts, the dioctyl phthalate (DOP) of 320 parts, the UV light absorber of 8 parts, the stearic acid of 9 parts, the polyphenylene phosphonic acids sulfobenzide ester of 50 parts, the beeswax of the antiseptic-germicide of 28 parts and 250 parts.
6. according to the arbitrary described a kind of fruit-vegetable plastic wrap with microvoid structure of Claims 1-4, it is characterized in that: consist of by weight: the polyvinyl chloride of 1400 parts, the silicon-dioxide of 120 parts, the kaolin of 160 parts, the sodium alginate of 30 parts, the casein of 400 parts, the dioctyl phthalate (DOP) of 480 parts, the UV light absorber of 2 parts, the stearic acid of 1 part, the polyphenylene phosphonic acids sulfobenzide ester of 20 parts, the beeswax of the antiseptic-germicide of 4 parts and 150 parts.
7. according to the arbitrary described a kind of fruit-vegetable plastic wrap with microvoid structure of Claims 1-4, it is characterized in that: consist of by weight: the polyvinyl chloride of 1300 parts, the silicon-dioxide of 110 parts, the kaolin of 140 parts, the sodium alginate of 19 parts, the casein of 300 parts, the dioctyl phthalate (DOP) of 400 parts, the UV light absorber of 5 parts, the stearic acid of 5 parts, the polyphenylene phosphonic acids sulfobenzide ester of 35 parts, the beeswax of the antiseptic-germicide of 16 parts and 200 parts.
8. there is a preparation technology for the fruit-vegetable plastic wrap of microvoid structure, it is characterized in that: comprise the following steps:
Step 1), dissolve: the polyvinyl chloride getting 1200 ~ 1400 parts by weight, the silicon-dioxide of 100 ~ 120 parts, the kaolin of 120 ~ 160 parts, the sodium alginate of 8 ~ 30 parts, the casein of 200 ~ 400 parts, the dioctyl phthalate (DOP) of 320 ~ 480 parts, the UV light absorber of 2 ~ 8 parts, the stearic acid of 1 ~ 9 part, the polyphenylene phosphonic acids sulfobenzide ester of 20 ~ 50 parts, the beeswax of the antiseptic-germicide of 4 ~ 28 parts and 150 ~ 250 parts; Above-mentioned raw materials mix and blend at 180 DEG C of temperature is dissolved, after stirring, is cooled to 165 DEG C;
Step 2), blown film: cooled for the stirring in step 1 mixture is poured in twin screw extruder, extrudes and plasticate, blown film, dry; Blown film temperature is 170 DEG C, and the rotating speed of twin screw extruder is 18r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600966.3A CN105218969A (en) | 2015-09-21 | 2015-09-21 | A kind of fruit-vegetable plastic wrap and preparation technology thereof with microvoid structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510600966.3A CN105218969A (en) | 2015-09-21 | 2015-09-21 | A kind of fruit-vegetable plastic wrap and preparation technology thereof with microvoid structure |
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| CN105218969A true CN105218969A (en) | 2016-01-06 |
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| CN201510600966.3A Pending CN105218969A (en) | 2015-09-21 | 2015-09-21 | A kind of fruit-vegetable plastic wrap and preparation technology thereof with microvoid structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106883620A (en) * | 2017-03-30 | 2017-06-23 | 合肥金同维低温科技有限公司 | One kind is for agricultural products fresh-keeping film and preparation method thereof |
| CN107266819A (en) * | 2017-07-20 | 2017-10-20 | 芜湖乾凯材料科技有限公司 | High intensity antimicrobial preservative film and preparation method thereof |
| CN107266820A (en) * | 2017-07-20 | 2017-10-20 | 芜湖乾凯材料科技有限公司 | A kind of high intensity food fresh keeping membrane and preparation method |
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| KR20010039142A (en) * | 1999-10-29 | 2001-05-15 | 김명철 | Composition with Good Vapor Permeability and Film Properties to Preserve Freshness and Plastic Film Prepared by Using the Same |
| CN1539876A (en) * | 2003-04-25 | 2004-10-27 | 国家农产品保鲜工程技术研究中心（天 | Dedicated film (bag) for keeping tender garlic fresh and fabricating method |
| JP2006176621A (en) * | 2004-12-22 | 2006-07-06 | Denki Kagaku Kogyo Kk | Stretch film |
| CN101701082A (en) * | 2009-10-27 | 2010-05-05 | 钟爱民 | Fresh-keeping packaging material and products thereof |
| CN101948592A (en) * | 2010-08-26 | 2011-01-19 | 天津市食品加工工程中心 | High-strength high-breathability polrvinyl chloride (PVC) preservative film |
| EP1922358B1 (en) * | 2005-08-11 | 2013-05-22 | Lynden William Trickey | Improvements in or relating to containers and permeable films |
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2015
- 2015-09-21 CN CN201510600966.3A patent/CN105218969A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20010039142A (en) * | 1999-10-29 | 2001-05-15 | 김명철 | Composition with Good Vapor Permeability and Film Properties to Preserve Freshness and Plastic Film Prepared by Using the Same |
| CN1539876A (en) * | 2003-04-25 | 2004-10-27 | 国家农产品保鲜工程技术研究中心（天 | Dedicated film (bag) for keeping tender garlic fresh and fabricating method |
| JP2006176621A (en) * | 2004-12-22 | 2006-07-06 | Denki Kagaku Kogyo Kk | Stretch film |
| EP1922358B1 (en) * | 2005-08-11 | 2013-05-22 | Lynden William Trickey | Improvements in or relating to containers and permeable films |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106883620A (en) * | 2017-03-30 | 2017-06-23 | 合肥金同维低温科技有限公司 | One kind is for agricultural products fresh-keeping film and preparation method thereof |
| CN107266819A (en) * | 2017-07-20 | 2017-10-20 | 芜湖乾凯材料科技有限公司 | High intensity antimicrobial preservative film and preparation method thereof |
| CN107266820A (en) * | 2017-07-20 | 2017-10-20 | 芜湖乾凯材料科技有限公司 | A kind of high intensity food fresh keeping membrane and preparation method |
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Application publication date: 20160106 |