CN1061940C - Packing method of using ventilatable film inseries products of warming bag lining - Google Patents
Packing method of using ventilatable film inseries products of warming bag lining Download PDFInfo
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- CN1061940C CN1061940C CN96106772A CN96106772A CN1061940C CN 1061940 C CN1061940 C CN 1061940C CN 96106772 A CN96106772 A CN 96106772A CN 96106772 A CN96106772 A CN 96106772A CN 1061940 C CN1061940 C CN 1061940C
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- bag
- warm
- film
- warming bag
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Abstract
The present invention relates to a packing method of using ventilation films in series products of a warming bag lining. Iron powders are used as main raw materials. Packing materials of series products of a warming bag lining generate oxygenized exothermic reaction by contacting oxygen in air to generate continuous and stable heat (comprises heat for warming hands, feet and bodies), and the present invention is the method that small holes and ventilation films are used by the packing materials. The present invention is characterized in that when the warming bag is used, the whole body of the warming bag can uniformly react with the oxygen to generate the stable heat, and meanwhile, the defect that reactants which are leaked out from small holes after the reactants are dried pollute clothing and the bodies is avoided.
Description
The present invention relates to a kind of heating appliances that is used for human body.
At present, the warm bag that warm hand, warm pin, warm health are used, its inner bag packing are on various base materials and (comprise the paper fiber base material, nonwoven polypropylene fabric, nylon nonwoven fabrics, polyester non-woven fabric, vegetable fibre woven and chemical ﹠ blended fabric) laminating polyethylene film (complex method have hydrostomia compound and to do wet method compound) makes, this packing can not be directly used in warm bag product, need to process through acanthopore.And machine up is difficult to guarantee the pore size of acanthopore and the unanimity of quantity, thereby is difficult to obtain the identical interior bag material of Air permenbility.Make that warm bag heat-producing heat of product and time length can't be in full accord.
Bigger because of acanthopore processing aperture in addition, warm bag adstante febre, because the heat motion of molecule, hydrone evaporates and runs off rapidly from the hole, makes that the iron powder in the reactant can not complete reaction.For addressing this problem, prolong fever time, people adopt the way of the humidity of the weight that strengthens warm bag reaction mass or augmenting response material always, and this has not only wasted material, and it is slower to have brought the initial reaction stage temperature to rise, and reaction temperature in mid-term is crossed high drawback.Again because of mechanical acanthopore inner bag aperture greater than 0.2mm, (iron powder accounts for 10-20% less than 100 purposes in the material when warm bag exothermic reaction finishes, active carbon all accounts for the 3-4% and the reacted brown iron oxide of material less than 100 orders) reactant drying, and granularity is little, easily oozes out and pollution clothes and health from the hole of being stung.
The objective of the invention is to overcome above-mentioned shortcoming, provide a kind of inner bag aperture little, be evenly distributed, period of service is long, temperature is even, the warm bag of pollution clothes and health not.
The warm bag of the present invention comprises reaction mass and the inner bag of packing reaction mass, and described inner bag is made up of base material and breathable films, and wherein said breathable films is the microporous breathable film that is compounded on the described base material.
The warm bag of the present invention, wherein said microporous breathable film is polyethylene, polypropylene or Ethylene-Propylene Block Copolymer film.
The warm bag of the present invention, wherein said base material is paper, nonwoven polypropylene fabric, nylon nonwoven fabrics, polyester non-woven fabric, vegetable fibre woven or chemical ﹠ blended fabric.
The warm inner bag of the present invention has that pore size distribution is even, the good advantage of the little permeability in aperture, makes the performance of warm bag product obtain very big improvement.Because the aperture makes warm bag not pack because of evaporating direct outflow inner bag at oxidation adstante febre hydrone for a short time, and in inner loop, iron powder is able to abundant complete reaction, the degree of utilization that has improved material prolongs the heat-producing time, thereby the single bag of weight that can reduce reaction mass relatively reaches the purpose of saving in material.In the proportioning of material, can reduce the consumption of water simultaneously, reduce humidity, make warm bag when initial reaction, heat rises very fast, and has improved the programming rate of warm bag.Uniform in addition micropore is unlikely too high scalded skin because of its oxygen flow evenly can make the temperature of warm bag when the reaction, and reaction finishes the back because of the granularity of micropore size less than the material dust, thereby does not have dust and leak into outer package and pollution clothes and health.
Other details of the warm bag of the present invention and characteristics can hereinafter the embodiment of description can be cheer and bright in conjunction with the accompanying drawings by reading, wherein:
Fig. 1 is the flying-spot microscope photo figure of the microporous breathable film of the warm bag use of the present invention;
Fig. 2 and Fig. 3 are the distribution graphs in known warm inner bag machinery acanthopore hole;
The cycle diagram of water vapour when Fig. 4 is known warm bag material reaction;
The interior cycle diagram of water vapour when Fig. 5 is the warm bag of the present invention material reaction;
Fig. 6 is known warm bag thetagram when using;
Thetagram when Fig. 7 is warm bag of use of the present invention.
With reference to Fig. 1.The present invention is applied to warm bag product with microporous breathable film shown in Figure 1 to replace the compound polyethylene foil of inner bag, the production technology of this film is similar to the processing technology of domestic patent CN1017682B, adopt the way that in macromolecule resin, adds nucleating agent in proportion when being moulding, after making film generation crystal transfer cause occurring micro-interface or slit to form the film of a large amount of pore characteristics by unidirectional or biaxial tension, hydrostomia or warp are done wet composite methods again, are compounded in to make warm inner bag material need not just can obtain gas through mechanical acanthopore again on the base material, the purpose that the liquid infiltration is passed through.This film has high pore-solids ratio (30-60%), aperture little (less than 1 micron), gas-premeable strong (50-200 milliliter/sq m. second. barometric pressure), all even excellent mechanical property of pore size distribution.
Fig. 2, Fig. 3 show to know the warm inner bag that known employing machinery acanthopore processing is made respectively.Fig. 2 is uniform acanthopore, numeral 1 expression acanthopore, 2 expression lignilites.Fig. 3 is banded acanthopore, with 3 expressions.The hole of this warm inner bag is bigger, generally greater than 0.2mm, and the skewness in hole, quantity does not wait.This warm bag is second-rate as previously mentioned.
The cycle diagram of water vapour when Fig. 4 is known warm bag material reaction.As can be seen from the figure the part water vapour just directly is not discharged to outside the packaging bag by the hole on the film through circulation, thereby makes partial material lose reaction medium and can't carry out exothermic reaction, has reduced by warm bag period of service.
With reference to Fig. 5.The interior cycle diagram of water vapour when Fig. 5 represents the warm bag of the present invention material reaction.Numeral 4 expression reaction masses among the figure, 5 inner bags for packing reaction mass 4.Inner bag is made up of base material 6 and microporous breathable film 7.Base material 3 can be paper, nonwoven polypropylene fabric, nylon nonwoven fabrics, polyester non-woven fabric, vegetable fibre woven or chemical ﹠ blended fabric.The material of microporous breathable film can be polyethylene, polypropylene or Ethylene-Propylene Block Copolymer.As can be seen from the figure, when reaction mass carried out exothermic reaction, the water vapour majority was in inner loop.Have only small part to leak into outside the packaging bag.Thereby material reaction is more complete, and warm bag fever time is long.
Adopt original interior bag material to make the warm bag that is of a size of 130mm * 95mm through acanthopore processing, reaction mass net weight 60 grams, its every index is respectively behind special-purpose thermometric case build-in test: (25 ℃ of ambient temperatures)
Required time was 9 minutes and 20 seconds when intensification reached 40 ℃;
Maximum temperature is 72 ℃;
Duration of the reaction is 20 hours;
Its temperature of reaction curve is seen Fig. 6.
The warm bag of the present invention who adopts microporous breathable film to make, the fenestra aperture is on average less than 1 micron, and the film Air permenbility is 100 a milliliters/sq m. second. barometric pressure, other conditions are the same, its
Required time was 8 minutes and 30 seconds when intensification reached 40 ℃;
Maximum temperature is 70 ℃;
Duration of the reaction is 25 hours;
Its response curve is seen Fig. 7.
As can be seen apparent in view with Fig. 7 from Fig. 6: the specific temperature rise time is fast mutually, fever time is long, temperature is even with known warm bag for the warm bag of the present invention.
Claims (3)
1, a kind of warm bag comprises reaction mass and the inner bag of packing reaction mass, and described inner bag is made up of base material and breathable films, it is characterized in that described breathable films is the microporous breathable film that is compounded on the described base material.
2, according to the described warm bag of claim 1, it is characterized in that described microporous breathable film is a polyethylene, polypropylene or Ethylene-Propylene Block Copolymer film.
3, according to claim 1 or 2 described warm bags, it is characterized in that described base material is a paper, nonwoven polypropylene fabric, nylon nonwoven fabrics, polyester non-woven fabric, vegetable fibre woven or chemical ﹠ blended fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96106772A CN1061940C (en) | 1996-07-08 | 1996-07-08 | Packing method of using ventilatable film inseries products of warming bag lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96106772A CN1061940C (en) | 1996-07-08 | 1996-07-08 | Packing method of using ventilatable film inseries products of warming bag lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1169943A CN1169943A (en) | 1998-01-14 |
| CN1061940C true CN1061940C (en) | 2001-02-14 |
Family
ID=5119377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96106772A Expired - Fee Related CN1061940C (en) | 1996-07-08 | 1996-07-08 | Packing method of using ventilatable film inseries products of warming bag lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1061940C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501493A (en) * | 2011-09-29 | 2012-06-20 | 青岛安龙日用品有限公司 | Ventilated compounding layer, compounding material, preparation method, compounding method and package bag |
| CN105726194B (en) * | 2016-03-18 | 2019-01-08 | 泰州梅兰日用品有限公司 | The warmer that forward and reverse can be used |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205736U (en) * | 1987-03-27 | 1987-11-25 | 王斗 | Multipurpose hot water bag |
| CN87208088U (en) * | 1987-05-14 | 1988-02-03 | 叶林森 | Multipurpose hot-water bag |
| CN1118737A (en) * | 1994-06-20 | 1996-03-20 | 埃尔夫阿托化学有限公司 | Breathing waterproof film |
-
1996
- 1996-07-08 CN CN96106772A patent/CN1061940C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205736U (en) * | 1987-03-27 | 1987-11-25 | 王斗 | Multipurpose hot water bag |
| CN87208088U (en) * | 1987-05-14 | 1988-02-03 | 叶林森 | Multipurpose hot-water bag |
| CN1118737A (en) * | 1994-06-20 | 1996-03-20 | 埃尔夫阿托化学有限公司 | Breathing waterproof film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1169943A (en) | 1998-01-14 |
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