CN106833547B - It a kind of food heating self-heating agent and its packs - Google Patents

It a kind of food heating self-heating agent and its packs Download PDF

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Publication number
CN106833547B
CN106833547B CN201710067514.2A CN201710067514A CN106833547B CN 106833547 B CN106833547 B CN 106833547B CN 201710067514 A CN201710067514 A CN 201710067514A CN 106833547 B CN106833547 B CN 106833547B
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woven fabrics
heating
self
space
food
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CN106833547A (en
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沈剑
王家荣
陈炳
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Ningbo University of Technology
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Ningbo University of Technology
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/16Materials undergoing chemical reactions when used
    • C09K5/18Non-reversible chemical reactions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3484Packages having self-contained heating means, e.g. heating generated by the reaction of two chemicals

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Cookers (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Abstract

A kind of food heating of the invention is used self-heating agent and its is packed, and food heating self-heating agent uses aluminium and quick lime for main heating material, increases the average temperature performance of formula by adjusting the proportion of the two and adding portland cement and sepiolite.Two cavity configurations that the packaging of food heating self-heating agent of the invention is formed using three layers of non-woven fabrics have water penetration, good permeability and are not easy to ooze out the characteristic of emulsion.

Description

It a kind of food heating self-heating agent and its packs
Technical field
The invention belongs to without fiery heating material technical field, more particularly to a kind of food heating self-heating agent, Yi Jiyong In the packaging of the self-heating agent.
Background technique
Traditional instant food such as instant noodles, instant-rice, convenient rice flour noodles etc. at present, people must be by opening when edible It is just edible after the heating of the external heat sources such as water, micro-wave oven, but many times people are having instant noodles, instant-rice, are facilitating rice When the instant food such as powder, the external heat sources such as boiled water, micro-wave oven can be not found, especially marched to field or wartime Army needs the food that quickly heats to improve the physical efficiency and morale of army, therefore self-heating food grows up.
The core of self-heating food is self-heating agent, and self-heating agent is using the chemical materials such as metal, nonmetallic as raw material, after addition of water Violent chemical reaction occurs, the reaction heat of generation can be used to heat food and water, be widely used in army i.e. warm-served food product Heating, mountaineering tour and emergency event emergency guarantee, and it is gradually market-oriented, such as: " Chinese patent A kind of 2010101040347 self-heating agents and the self-heating packet manufactured using the self-heating agent ", " Chinese patent 2,015,100,244,956 1 Self-heating agent and self-heating agent packaging of the kind for article heating ".Domestic and international existing self-heating food heating agent mainly has quick lime system Food self-heating agent, aluminium system food self-heating agent, magnesium system food self-heating agent, since quick lime system and aluminium system food self-heating agent cost are opposite Cheap is widely used self-heating agent type on the current commercial market in China.The water of quick lime and reaction heating rate is fast but unit Weight thermal discharge is low, and the water of aluminium is slow with reaction heating rate but Unit Weight thermal discharge is high, therefore in summary advantage and disadvantage are opened The aluminium and quick lime of hair are that the civilian food self-heating agent of primary raw material is ideal, and the starting speed of heating on the one hand can be improved Degree, another aspect Unit Weight thermal discharge is moderate, and to be unlikely to heating agent weight excessive.Self-heating agent is all packed with non-woven fabrics, when use It is put into heating device, then pours into water, the food to be heated is put into corresponding position, heat can be obtained by the heating of 5 ~ 15min Food.Due to generating a large amount of hydrogen and aluminum hydroxide emulsion in the water and reaction process of aluminium, calcium oxide and water reaction generate hydrogen Calcium oxide emulsion, the gas that on the one hand reaction generates are needed through packaging bag, it is therefore desirable to the preferable gas permeability of non-woven fabrics;Separately On the one hand the emulsion that reaction generates is not needed through packaging bag to avoid contaminated food, it is therefore desirable to which non-woven fabrics has emulsion Preferable strainability.Traditional self-heating agent packaging is mainly using in PET single-layer nonwoven, the emulsion generated due to reaction It can appear to come through non-woven fabrics, so that heating object sanitation performance is poor after the reaction was completed.Using thicker PET non-woven fabrics After being packed, due to the influence of PET thickness, although making sanitation performance preferable, the gas that reaction generates cannot be timely Through non-woven fabrics, reaction is caused to carry out slowly, so that heating speed reduces." Chinese patent 2014107994431 is a kind of Non-woven fabrics and preparation method thereof for magnesium system self-heating food heating agent " propose it is a kind of have water penetration, good permeability and It is not easy the compound nonwoven cloth of exudation emulsion to solve the above problems, the present invention attempts to solve to be somebody's turn to do using more simple method Problem.
The heating effect of self-heating agent is the result of formula and packaging comprehensive function as can be seen from above.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of food heating self-heating for the above-mentioned state of the art Agent and its packaging.Food heating self-heating agent of the invention uses aluminium and quick lime for main heating material, by adjusting two The proportion of person and addition some special material such as portland cements and sepiolite increase the average temperature performance of formula.Furthermore of the invention Food heating with self-heating agent pack using three layers of non-woven fabrics formation special construction, provide with water penetration, good permeability And it is not easy to ooze out the characteristic of emulsion.
A kind of food heating self-heating agent of the invention includes the substance of following mass parts: the aluminium powder 20 ~ 30 of 200 ~ 300 mesh Part, 15 ~ 25 parts of the calcium oxide of 100 ~ 200 mesh, 5 ~ 20 parts of the sepiolite of 100 ~ 200 mesh, 1 ~ 3 part of anhydrous sodium bicarbonate, 425 types 5 ~ 10 parts of portland cement, 1 ~ 5 part of calcium chloride;The food heating is carried out with self-heating agent using Agravicmixer agravic mixed It closes and is made.
Lower nonwoven cloth 6, the middle layer non-woven fabrics 4 packed by successively stacking for food heating self-heating agent of the invention It is bonded with the edge hot rolling of upper layer non-woven fabrics 2, the edge hot rolling of above-mentioned three layers of non-woven fabrics bonds to form hot calendering bonding Skirt 1, the space between middle layer non-woven fabrics 4 and upper layer non-woven fabrics 2 are the first space, the outside of non-woven fabrics 2, that is, non-court on upper layer The printed words 3 of " This side up " are printed on in the one side in the first space, the space between lower nonwoven cloth 6 and middle layer non-woven fabrics 4 is Second space, the second space are used to hold the food heating self-heating agent 5, and first space adds for food The cushion space of the gas generated when heat is reacted with self-heating agent.
As an improvement, the material of the lower nonwoven cloth 6 is PET, the material of middle layer non-woven fabrics 4 is PP, upper layer nonwoven 2 material of cloth is PET.
It is further improved, square grammes per square metre of the lower nonwoven cloth 6 is 150 or 200 g/m2, middle layer non-woven fabrics 4 it is flat Tegafur Injection weight is 10 or 20 g/m2, square grammes per square metre of upper layer non-woven fabrics 2 is 50 g/m2
Basic operation process when a kind of food heating self-heating agent and its use packed is as follows: being printed on what is packed The one side of the printed words 3 of " This side up " is placed on the bottom of container upward, and suitable quantity of water is added to be allowed to not cross packaging.Incipient stage, though Right lower nonwoven cloth 6 is thicker but its material is that therefore water energy penetrates into second space to the preferable PET material of water permeability, upper layer without Woven fabric 2 is relatively thin and material is that therefore water can also penetrate into rapidly the first space, middle layer non-woven fabrics 4 to the preferable PET material of water penetration The material used is the poor PP material of water penetration but its very thin thickness therefore water also can penetrate second space from the first space, this Self-heating agent and the rapid haptoreaction of water in sample second space;With reaction carry out produce a large amount of hydrogen and hydroxide The emulsion that aluminium, calcium hydroxide are formed, since the thicker hydrogen of lower nonwoven cloth 6 can not penetrate rapidly, emulsion completely can not then Through, PP material good permeability that middle layer non-woven fabrics 4 uses and gap is small that hydrogen is enabled to penetrate the first space rapidly, emulsion It can not penetrate, such emulsion is limited in second space without polluting except packaging;Penetrate into the hydrogen in the first space Gas, which heaves the first space, makes the top half of packaging float and expose the surface, and the hydrogen in the first space penetrates relatively thin upper layer nonwoven Cloth 2 is discharged into atmosphere.
Compared with the prior art, the advantages of the present invention are as follows: by being in the matching of main heating raw material in aluminium and quick lime Addition portland cement and sepiolite enhance the average temperature performance of formula, and there are two the packagings of chamber to have for the tool that three layers of non-woven fabrics is formed There are water penetration, good permeability and is not easy the advantages of oozing out emulsion.
Detailed description of the invention
Fig. 1 is a kind of schematic top plan view of the packaging of food heating self-heating agent of the invention.
Fig. 2 is that the packaging of food heating self-heating agent of the invention a kind of faces schematic cross-sectional view.
Wherein: 1 is hot calendering bonding skirt, and 2 be upper layer non-woven fabrics, and 3 be the printed words of " This side up ", and 4 be middle layer non-woven fabrics, 5 be food heating self-heating agent, and 6 be lower nonwoven cloth.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.Below with reference to the accompanying drawings 1 and attached drawing 2, by embodiment, present invention is further described in detail.
Embodiment 1
Food heating self-heating agent includes the substance of following mass parts: 20 parts of the aluminium powder of 200 ~ 300 mesh, 100 ~ 200 purposes 15 parts of calcium oxide, 5 parts of the sepiolite of 100 ~ 200 mesh, 1 part of anhydrous sodium bicarbonate, 425 5 parts of type portland cements, calcium chloride 1 Part;The food heating carries out agravic be mixed to prepare using Agravicmixer with self-heating agent.
For the packaging of above-mentioned food heating self-heating agent, by lower nonwoven cloth 6,4 and of middle layer non-woven fabrics successively stacked The edge hot rolling of upper layer non-woven fabrics 2 is bonded;The material of lower nonwoven cloth 6 is PET, and the material of middle layer non-woven fabrics 4 is PP, Non-woven fabrics 2 material in upper layer is PET;Square grammes per square metre of lower nonwoven cloth 6 is 150 g/m2, a square grammes per square metre for middle layer non-woven fabrics 4 is 10 g/m2, square grammes per square metre of upper layer non-woven fabrics 2 is 50 g/m2;The edge hot rolling of above-mentioned three layers of non-woven fabrics bonds to form hot rolling Skirt 1 is bonded, the space between middle layer non-woven fabrics 4 and upper layer non-woven fabrics 2 is the first space, and the outside of non-woven fabrics 2 is on upper layer The printed words 3 of " This side up ", the sky between lower nonwoven cloth 6 and middle layer non-woven fabrics 4 are printed in the one side in non-the first space of direction Between be second space, the second space is used to hold the food heating self-heating agent 5, and first space is food The cushion space for the gas that product heating generates when being reacted with self-heating agent.
Embodiment 2
Food heating self-heating agent includes the substance of following mass parts: 25 parts of the aluminium powder of 200 ~ 300 mesh, 100 ~ 200 purposes 20 parts of calcium oxide, 10 parts of the sepiolite of 100 ~ 200 mesh, 2 parts of anhydrous sodium bicarbonate, 425 7 parts of type portland cements, calcium chloride 5 Part;The food heating carries out agravic be mixed to prepare using Agravicmixer with self-heating agent.
For the packaging of above-mentioned food heating self-heating agent, by lower nonwoven cloth 6,4 and of middle layer non-woven fabrics successively stacked The edge hot rolling of upper layer non-woven fabrics 2 is bonded;The material of lower nonwoven cloth 6 is PET, and the material of middle layer non-woven fabrics 4 is PP, Non-woven fabrics 2 material in upper layer is PET;Square grammes per square metre of lower nonwoven cloth 6 is 200 g/m2, a square grammes per square metre for middle layer non-woven fabrics 4 is 20 g/m2, square grammes per square metre of upper layer non-woven fabrics 2 is 50 g/m2;The edge hot rolling of above-mentioned three layers of non-woven fabrics bonds to form hot rolling Skirt 1 is bonded, the space between middle layer non-woven fabrics 4 and upper layer non-woven fabrics 2 is the first space, and the outside of non-woven fabrics 2 is on upper layer The printed words 3 of " This side up ", the sky between lower nonwoven cloth 6 and middle layer non-woven fabrics 4 are printed in the one side in non-the first space of direction Between be second space, the second space is used to hold the food heating self-heating agent 5, and first space is food The cushion space for the gas that product heating generates when being reacted with self-heating agent.
Embodiment 3
Food heating self-heating agent includes the substance of following mass parts: 30 parts of the aluminium powder of 200 ~ 300 mesh, 100 ~ 200 purposes 25 parts of calcium oxide, 20 parts of the sepiolite of 100 ~ 200 mesh, 3 parts of anhydrous sodium bicarbonate, 425 10 parts of type portland cements, calcium chloride 5 Part;The food heating carries out agravic be mixed to prepare using Agravicmixer with self-heating agent.
For the packaging of above-mentioned food heating self-heating agent, by lower nonwoven cloth 6,4 and of middle layer non-woven fabrics successively stacked The edge hot rolling of upper layer non-woven fabrics 2 is bonded;The material of lower nonwoven cloth 6 is PET, and the material of middle layer non-woven fabrics 4 is PP, Non-woven fabrics 2 material in upper layer is PET;Square grammes per square metre of lower nonwoven cloth 6 is 150 or 200 g/m2, middle layer non-woven fabrics 4 square gram Weight is 10 or 20 g/m2, square grammes per square metre of upper layer non-woven fabrics 2 is 50 g/m2;The edge hot rolling of above-mentioned three layers of non-woven fabrics bonds Hot calendering bonding skirt 1 is formed, the space between middle layer non-woven fabrics 4 and upper layer non-woven fabrics 2 is the first space, the non-woven fabrics 2 on upper layer Outside, that is, the first space of non-direction one side on be printed on the printed words 3 of " This side up ", lower nonwoven cloth 6 and middle layer non-woven fabrics 4 Between space be second space, the second space is used to hold the food heating self-heating agent 5, described first Space is the cushion space of the gas generated when food heating is reacted with self-heating agent.
Embodiment 4
Food heating self-heating agent includes the substance of following mass parts: 22 parts of the aluminium powder of 200 ~ 300 mesh, 100 ~ 200 purposes 14 parts of calcium oxide, 17 parts of the sepiolite of 100 ~ 200 mesh, 1 part of anhydrous sodium bicarbonate, 425 10 parts of type portland cements, calcium chloride 1 Part;The food heating carries out agravic be mixed to prepare using Agravicmixer with self-heating agent.
For the packaging of above-mentioned food heating self-heating agent, by lower nonwoven cloth 6,4 and of middle layer non-woven fabrics successively stacked The edge hot rolling of upper layer non-woven fabrics 2 is bonded;The material of lower nonwoven cloth 6 is PET, and the material of middle layer non-woven fabrics 4 is PP, Non-woven fabrics 2 material in upper layer is PET;Square grammes per square metre of lower nonwoven cloth 6 is 150 g/m2, a square grammes per square metre for middle layer non-woven fabrics 4 is 20 g/m2, square grammes per square metre of upper layer non-woven fabrics 2 is 50 g/m2;The edge hot rolling of above-mentioned three layers of non-woven fabrics bonds to form hot rolling Skirt 1 is bonded, the space between middle layer non-woven fabrics 4 and upper layer non-woven fabrics 2 is the first space, and the outside of non-woven fabrics 2 is on upper layer The printed words 3 of " This side up ", the sky between lower nonwoven cloth 6 and middle layer non-woven fabrics 4 are printed in the one side in non-the first space of direction Between be second space, the second space is used to hold the food heating self-heating agent 5, and first space is food The cushion space for the gas that product heating generates when being reacted with self-heating agent.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (2)

1. a kind of food heating self-heating agent is packed, including food heating self-heating agent, the food heating self-heating agent packet Include the substance of following mass parts: 20 ~ 30 parts of the aluminium powder of 200 ~ 300 mesh, 15 ~ 25 parts of the calcium oxide of 100 ~ 200 mesh, 100 ~ 200 mesh 5 ~ 20 parts of sepiolite, 1 ~ 3 part of anhydrous sodium bicarbonate, 425 5 ~ 10 parts of type portland cements, 1 ~ 5 part of calcium chloride;The food adds Heat carries out agravic be mixed to prepare using Agravicmixer with self-heating agent, it is characterised in that: the packaging is by successively stacking Lower nonwoven cloth, middle layer non-woven fabrics and upper layer non-woven fabrics edge hot rolling be bonded, the edge of above-mentioned three layers of non-woven fabrics Hot rolling bonds to form hot calendering bonding skirt, and the space between middle layer non-woven fabrics and upper layer non-woven fabrics is the first space, on upper layer The printed words of " This side up ", lower nonwoven cloth and middle layer nonwoven are printed in the one side of the outside of non-woven fabrics, that is, the first space of non-direction Space between cloth is second space, and the second space is used to hold the food heating self-heating agent, described the One space is the cushion space of the gas generated when food heating is reacted with self-heating agent;The material of the lower nonwoven cloth is PET, the material of middle layer non-woven fabrics are PP, and upper layer nonwoven cloth material is PET.
2. packaging according to claim 1, it is characterised in that: square grammes per square metre of the lower nonwoven cloth be 150 or 200g/m2, square grammes per square metre of middle layer non-woven fabrics is 10 or 20g/m2, square grammes per square metre of upper layer non-woven fabrics is 50g/m2
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CN110482032A (en) * 2019-08-08 2019-11-22 马鞍山恒熹自热技术开发有限公司 A kind of self-heating facilitates heating pack
CN110922945A (en) * 2019-11-20 2020-03-27 上海化工院检测有限公司 Self-heating food heating bag
CN111703707B (en) * 2020-06-30 2022-02-25 雄县飞洋塑料包装有限公司 Quick refrigerated self-cooling type product packaging box
CN111703706B (en) * 2020-06-30 2022-02-25 雄县飞洋塑料包装有限公司 Self-cooled product packaging box
CN113150749A (en) * 2021-02-09 2021-07-23 中国农业科学院农产品加工研究所 Method and device for improving thermal efficiency of aluminum-based heating bag for food

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CN204399772U (en) * 2015-01-07 2015-06-17 杨帆 A kind of self-heating type instant noodle box
CN105751643A (en) * 2014-12-19 2016-07-13 中国航天科工集团八五研究所 Nonwoven fabric used for magnesium series self-heating food heating agent, and preparation method thereof
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CN101356249A (en) * 2006-04-21 2009-01-28 麦考尔株式会社 Apparatus for heating food
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CN101649191A (en) * 2009-07-30 2010-02-17 戚伟 Heating agent for stewing food
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