CN104709567A - Microwave-specific food package bag and manufacturing method thereof - Google Patents
Microwave-specific food package bag and manufacturing method thereof Download PDFInfo
- Publication number
- CN104709567A CN104709567A CN201410850435.5A CN201410850435A CN104709567A CN 104709567 A CN104709567 A CN 104709567A CN 201410850435 A CN201410850435 A CN 201410850435A CN 104709567 A CN104709567 A CN 104709567A
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- starch
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- packaging bag
- microwave
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a microwave-specific food package bag and a manufacturing method thereof. The manufacturing method comprises the steps that air holes are formed in a plastic package body, film brei is brushed on the air holes, and the food package bag is obtained when the film brie is dried; the manufacturing method of the film brei comprise the steps that the corn starch and the crosslinked starches are mixed according to the proportion of 4:1, and starch slurry with 25% concentration is prepared when the mixed starches dissolve in water; the PH value is adjusted; the calcium chloride solution with 3.6% concentration is added into the starch slurry, and the starch slurry is stirred and heated to 70 DEG C; the starch slurry is cooled to 45 DEG C rapidly when the starch slurry is pasted fully, and the isoamylase is added into the pasted starch slurry according to the proportion that adding 50 ug isoamylase to per g of gram of starch; stirring is conducted for 3 hours, the isoamylase with equal amount is added further, stirring is conducted for 6 hours, and power brei is prepared after filtrating through a gauze. According to the microwave-specific food package bag and the manufacturing method thereof, starch film can melt gradually under a high-temperature and high-humidity environment, so that the food package bag can ventilate automatically.
Description
Technical field
The present invention relates to a kind of food pack, particularly relate to a kind of food pack that can be used for microwave heating.
Background technology
Current food pack material comprises papery, plastics etc., in order to keep food hygiene, food pack is all sealing, such guarantee food is not contaminated in transport and sales process, but most food is when carrying out microwave heating, packaging bag can not be made again to seal, because the aqueous vapor that heating of food produces can be full of to packaging bag inner in a large number, needs open the package, but contaminated possibility is still there is although feasible like this, simultaneously when extensive supplying food, can not go one by one to tear packaging bag, time-consumingly to require great effort again.Therefore needing to develop a kind of leak tightness that can keep again can the food pack of direct microwave heating.
Summary of the invention
For the defect existed in background technology, the object of this invention is to provide the food pack that a kind of microwave is special, this food pack is transporting the leak tightness keeping packaging bag in storing process usually, have automatic airing function when carrying out microwave heating, namely not needing to open airtight food pack can complete microwave heating.
In order to achieve the above object, the technical solution adopted for the present invention to solve the technical problems is:
A method for making for microwave special food packaging bag, comprises the steps:
1) plastic packaging bag body is made;
2) offer multiple breather hole on the surface of plastic packaging bag body, the diameter of breather hole remains on 0.3-0.5mm;
3) at the position brushing film slurry that the multiple breather hole of the inside face of packaging bag body is corresponding, breather hole covers by film slurry completely;
4) by being coated with the packaging bag of swiped through film slurry as in vacuum drying chamber, with 50 DEG C of dryings 40 minutes, then with 65 DEG C of dryings 20 minutes, after the film on breather hole is shaping, takes out packaging bag, namely obtaining the packaging bag of microwave special food;
Wherein said film slurry is adopted and is made with the following method:
1) cornstarch and crosslinked starch are mixed according to the ratio of 4:1, after being dissolved in water, be adjusted to the starch slurry of concentration 25%;
2) pH value is regulated to be 5.0-6.0 the starch slurry of 25%;
3) in starch slurry, add the calcium chloride solution accounting for starch slurry weight 1.5%, the concentration of calcium chloride solution is 3.6%, is heated with stirring to 70 DEG C;
4) be cooled to rapidly 45 DEG C after complete gelatinization, add isoamylase according to 50u isoamylase/g starch, after constant temperature stirs 3 hours, then attach the isoamylase of same amount, then terminate after stirring 6h, with obtaining powder slurry after filtered through gauze.
The stable performance of starching to keep film, during brushing film slurry, the temperature of film slurry controls at 45-50 DEG C.
The reaction control of crosslinked starch has higher stability to heat, acid and shearing force impact, and we find to adopt the film of crosslinked starch and cornstarch mixing aft-loaded airfoil and the independent film adopting cornstarch to process, and intensity improves more than 20%.
If starch film freeze-day with constant temperature, easily becomes fragile, the present invention adopts stage drying: 50 DEG C of dryings 40 minutes, 65 DEG C of dryings 20 minutes, avoids the intensity caused because of freeze-day with constant temperature and declines.
Another object of the present invention is to provide a kind of microwave special packing bag, and it adopts above-mentioned method for making to obtain.
The feature that the present invention is main:
1, the film become by unique method and manufacture technics is starched, starch film is formed after brushing drying, this starch film has that intensity is high, toughness is large, the advantage such as airtight, brushing is after the inside face of breather hole, the leakproofness of food pack inside can be kept, make food in packaging bag be in air-tight state thus the safety of guarantee food storage.Meanwhile, starch film has enough intensity, can remain on not broken in daily storage transportation and burst apart.
2, the starch film obtained after the drying of described film slurry is after temperature is greater than 80 DEG C and moisturt register is greater than 55%, can automatic dissolving be slurry, owing to having this character, by this packaging bag as after microwave-oven-heating, after temperature is increased to 80 DEG C, because the moisture of food comes out with vapor form, starch film can melt gradually under high temperature and high humidity environment, at this time, starch film no longer carries out airtight to breather hole, the aqueous vapor come out by food in packaging bag is able to come out in packaging bag, ensure that the safety of microwave heating, avoids the generation of " blast ".
3, the component overall safety of starch film, even if food is infected with by the slurry after its thawing, its main component is starch, on food security without any impact.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described:
Embodiment 1
Make the packaging bag of microwave special food, comprise the steps:
1) plastic packaging bag body is made;
2) offer multiple breather hole on the surface of plastic packaging bag body, the diameter of breather hole remains on 0.3-0.5mm;
3) at the position brushing film slurry that the inside face breather hole of packaging bag body is corresponding, breather hole covers by film slurry completely;
4) by being coated with the packaging bag of swiped through film slurry as in desicator, with 50 DEG C of dryings 30 minutes, then with 65 DEG C of dryings 10 minutes, after the film on breather hole is shaping, takes out packaging bag, can packaging for foodstuff be carried out;
Wherein said film slurry is adopted and is made with the following method:
1) cornstarch and crosslinked starch are mixed according to the ratio of 4:1, after being dissolved in water, be adjusted to the starch slurry of concentration 25%;
2) pH value is regulated to be 5.0-6.0 the starch slurry of 25%;
3) in starch slurry, add the calcium chloride solution accounting for starch slurry weight 1.5%, the concentration of calcium chloride solution is 3.6%, is heated with stirring to 70 DEG C;
4) be cooled to rapidly 45 DEG C after complete gelatinization, add isoamylase according to 50u isoamylase/g starch, after constant temperature stirs 3 hours, then attach the isoamylase of same amount; Terminate after stirring 6h again, with obtaining powder slurry after filtered through gauze.
In order to detect the performance of the starch film that this film slurry generates, adopt plastic sheeting to draw high strength test method GB/T13022-91 and carry out Mechanics Performance Testing, adopt plastic sheeting and thin slice gas-premeable test method GB/T1038-2000 to carry out the test of gas-premeable.
There is following test results:
It will be recognized by those skilled in the art, under the prerequisite not departing from protection scope of the present invention, various amendment, change and combination can be carried out to above-mentioned embodiment, and think that this amendment, change and combination are within the scope of originality thought.
Claims (3)
1. a method for making for microwave special food packaging bag, is characterized in that, comprises the steps:
1) plastic packaging bag body is made;
2) offer multiple breather hole on the surface of plastic packaging bag body, the diameter of breather hole remains on 0.3-0.5mm;
3) at the position brushing film slurry that the multiple breather hole of the inside face of packaging bag body is corresponding, breather hole covers by film slurry completely;
4) by being coated with the packaging bag of swiped through film slurry as in vacuum drying chamber, with 50 DEG C of dryings 40 minutes, then with 65 DEG C of dryings 20 minutes, after the film on breather hole is shaping, takes out packaging bag, namely obtaining the packaging bag of microwave special food;
Wherein said film slurry is adopted and is made with the following method:
1) cornstarch and crosslinked starch are mixed according to the ratio of 4:1, after being dissolved in water, be adjusted to the starch slurry of concentration 25%;
2) pH value is regulated to be 5.0-6.0 the starch slurry of 25%;
3) in starch slurry, add the calcium chloride solution accounting for starch slurry weight 1.5%, the concentration of calcium chloride solution is 3.6%, is heated with stirring to 70 DEG C;
4) be cooled to rapidly 45 DEG C after complete gelatinization, add isoamylase according to 50u isoamylase/g starch, after constant temperature stirs 3 hours, then attach the isoamylase of same amount, then terminate after stirring 6h, with obtaining powder slurry after filtered through gauze.
2. the method for making of a kind of microwave special food as claimed in claim 1 packaging bag, is characterized in that, during brushing film slurry, the temperature of film slurry controls at 45-50 DEG C.
3. a microwave food special packing bag, is characterized in that, adopts method according to claim 2 to obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410850435.5A CN104709567B (en) | 2014-12-30 | 2014-12-30 | Microwave-specific food package bag and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850435.5A CN104709567B (en) | 2014-12-30 | 2014-12-30 | Microwave-specific food package bag and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN104709567A true CN104709567A (en) | 2015-06-17 |
| CN104709567B CN104709567B (en) | 2017-05-17 |
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| CN201410850435.5A Active CN104709567B (en) | 2014-12-30 | 2014-12-30 | Microwave-specific food package bag and manufacturing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168004A (en) * | 2016-08-29 | 2016-11-30 | 董晓 | A kind of preparation method of medical packing paper Cypres |
| CN106395157A (en) * | 2015-07-27 | 2017-02-15 | 康葵 | Food packaging container, packaging method and application of food packaging container |
| CN107964113A (en) * | 2017-08-15 | 2018-04-27 | 安徽华猫软包装有限公司 | A kind of production method of microwave packaging bag |
| CN108978332A (en) * | 2018-08-15 | 2018-12-11 | 马鞍山卓凡新材料科技有限公司 | A kind of preparation method of environment-protective food package bag |
| CN108978333A (en) * | 2018-08-15 | 2018-12-11 | 马鞍山卓凡新材料科技有限公司 | A kind of degradable antibacterial packaging bag convenient to use |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1018444B (en) * | 1991-04-20 | 1992-09-30 | 严能荣 | No-pollution food-packing container and its made method |
| KR20120103821A (en) * | 2011-03-11 | 2012-09-20 | (주)오비트 | Food package for microwave oven |
| JP5948022B2 (en) * | 2011-05-23 | 2016-07-06 | 株式会社細川洋行 | Microwave oven packaging bag |
| CN105500854A (en) * | 2014-09-23 | 2016-04-20 | 3M新设资产公司 | Water-soluble packaging film and uses thereof |
-
2014
- 2014-12-30 CN CN201410850435.5A patent/CN104709567B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395157A (en) * | 2015-07-27 | 2017-02-15 | 康葵 | Food packaging container, packaging method and application of food packaging container |
| CN106395157B (en) * | 2015-07-27 | 2020-06-16 | 康葵 | Food packaging container, packaging method and application thereof |
| CN106168004A (en) * | 2016-08-29 | 2016-11-30 | 董晓 | A kind of preparation method of medical packing paper Cypres |
| CN106168004B (en) * | 2016-08-29 | 2017-12-05 | 郑燕梅 | A kind of preparation method of medical packing paper Cypres |
| CN107964113A (en) * | 2017-08-15 | 2018-04-27 | 安徽华猫软包装有限公司 | A kind of production method of microwave packaging bag |
| CN108978332A (en) * | 2018-08-15 | 2018-12-11 | 马鞍山卓凡新材料科技有限公司 | A kind of preparation method of environment-protective food package bag |
| CN108978333A (en) * | 2018-08-15 | 2018-12-11 | 马鞍山卓凡新材料科技有限公司 | A kind of degradable antibacterial packaging bag convenient to use |
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| CN104709567B (en) | 2017-05-17 |
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