CN204776541U - High hygroscopic desiccation agent is with compound membrane non -woven fabrics with by its wrapping bag of making - Google Patents
High hygroscopic desiccation agent is with compound membrane non -woven fabrics with by its wrapping bag of making Download PDFInfo
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- CN204776541U CN204776541U CN201520461571.5U CN201520461571U CN204776541U CN 204776541 U CN204776541 U CN 204776541U CN 201520461571 U CN201520461571 U CN 201520461571U CN 204776541 U CN204776541 U CN 204776541U
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Abstract
The utility model discloses a high hygroscopic desiccation agent is with compound membrane non -woven fabrics with by its wrapping bag of making. High hygroscopic desiccation agent with compound membrane non -woven fabrics by: be located the waterproof ventilated membrane of outer PP, be located the PE spunbonded nonwoven of inlayer, and bond adhesive between waterproof ventilated membrane of PP and the PE spunbonded nonwoven constitutes. The utility model discloses the compound membrane non -woven fabrics of this kind is when the high hygroscopic desiccation agent of packing, and safe and reliable just can not seep water.
Description
Technical field
The utility model relates to the special multiple film nonwoven fabrics of a kind of high moisture-absorbing desiccant, the preparation method of this multiple film nonwoven fabrics, and the desiccant package bags using this multiple film nonwoven fabrics to make.The utility model belongs to desiccant package field of material technology.
Background technology
Along with modern people to house quality of life require more and more higher, as protection against the tide all kinds of desiccant more and more accept by people.High Performance desiccant (be called for short: high moisture-absorbing desiccant) refers to a kind of a kind of desiccant that can absorb the steam at double of own wt in air, the principal feature of this type of desiccant is wettability power high (the highest moisture absorption weight can reach desiccant own wt more than 4 times), liquid is become after moisture absorption, this is just to packing requirement, there is certain water resistance, liquid generation seepage can not be made.
Existing packing generally adopt PE waterproof ventilated membrane and all kinds of spun-bonded non-woven fabrics compound to make, and because hygroscopic agent all adopts calcium chloride to be main material, and become calcium chloride water after calcium chloride moisture absorption, calcium chloride water is generally acid solution.But this conventional packaging material be composited by PE waterproof ventilated membrane and spun-bonded non-woven fabrics, in use, what it directly contacted with calcium chloride water is PE waterproof ventilated membrane, and the main component of PE waterproof ventilated membrane is Polymer PE plastics and calcium carbonate, the permeability mechanism of ventilated membrane forms breathable microporous at the particle surface of calcium carbonate, if the calcium chloride water of acidity directly touches calcium carbonate, will there is chemical reaction in both.Like this, calcium chloride water slowly can corrode the calcium carbonate granule in PE waterproof ventilated membrane, the microcellular structure of PE waterproof ventilated membrane is destroyed, micropore becomes large, the direct water resistance affecting waterproof ventilated membrane declines, be partially formed macropore, cause calcium chloride water seepage, produce infiltration phenomenon at product surface.
Utility model content
The utility model object is: for the problems referred to above, the utility model provides the special multiple film nonwoven fabrics of a kind of safe and reliable and high moisture-absorbing desiccant that can not seep water and the desiccant package bags using this multiple film nonwoven fabrics to make, and additionally provides the preparation method of this multiple film nonwoven fabrics simultaneously.
In order to achieve the above object, the technical solution adopted in the utility model is: this high moisture-absorbing desiccant that the utility model provides with multiple film nonwoven fabrics by: at outer field PP waterproof ventilated membrane, form at the PE spun-bonded non-woven fabrics of internal layer and the adhesives be bonded between described PP waterproof ventilated membrane and PE spun-bonded non-woven fabrics.
This packaging bag provided by the utility model, its bag of wall adopts the multiple film nonwoven fabrics of above-mentioned high moisture-absorbing desiccant to make, and described PP waterproof ventilated membrane is arranged in the outside of described PE spun-bonded non-woven fabrics.
This packaging bag of the utility model, on the basis of technique scheme, also comprises following preferred version:
Described PP waterproof ventilated membrane is arranged in the outside wall surface of this packaging bag, and described PE spun-bonded non-woven fabrics is arranged in the internal face of this packaging bag.
The utility model has the advantages that:
1, this multiple film nonwoven fabrics of the utility model in use, the PE spun-bonded non-woven fabrics being positioned at internal layer directly contacts with calcium chloride desiccant, and be positioned at outer field PP waterproof ventilated membrane with calcium chloride desiccant and directly do not contact, like this with PP waterproof and breathable face for waterproof outer layer, with PE spun-bonded non-woven fabrics face for internal layer waterproof layer and hot sealing layer, because PE spun-bonded non-woven fabrics main component is polyethylene, himself has water repellency and also has waterproof ability, effectively can reduce the infiltration of inner calcium chloride water, add again the protection of outer PP waterproof ventilated membrane, thus guarantee that the aqueous system can not outwards seep water.And the heat-sealing temperature requirement of the resistance to temperature high-performance of outer PP material and internal layer PE material, is conducive to mechanization production speed when improving this multiple film non-woven fabric bag.
2, Environment-friendlyadhesive adhesive is adopted to bond between outer PP waterproof ventilated membrane and internal layer PE spun-bonded non-woven fabrics fixing, environmentally safe, odorless, tasteless, non-corrosiveness;
3, originally film nonwoven fabrics permeability is excellent again, and water pressure resistance is good, and made of soft, not embrittlement, mechanical strength is high.
4, this answers film nonwoven fabrics without dust leakage, and the no liquid globule returns and oozes, and is particularly suitable as High Performance water-absorbing dry drying prescription packing and uses, can make packaging bag or be combined with plastic film and make pre-formed bags, be applied to all kinds of high moisture-absorbing desiccant specialized package material.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The high moisture-absorbing desiccant of Fig. 1 obtained by embodiment one structure diagram of multiple film nonwoven fabrics;
Fig. 2 is the integral structure schematic diagram of desiccant package bags in embodiment four;
Fig. 3 is the cross-sectional view of desiccant package bags bag wall in embodiment four.
Wherein:
1-PP waterproof ventilated membrane,
2-PE spun-bonded non-woven fabrics,
3-adhesives.
Detailed description of the invention
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are not limited to for illustration of the utility model limit scope of the present utility model.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Embodiment one: the high moisture-absorbing desiccant preparation of multiple film nonwoven fabrics.
PP waterproof ventilated membrane selects 50g/m
2biaxial tension PP waterproof ventilated membrane, PE spun-bonded non-woven fabrics selects Du Pont 1025D spun-bonded non-woven fabrics, and monocomponent moisture cure type polyurethane adhesive selected by adhesives.Adopt some spray, be sprayed on Du Pont 1025D spun-bonded non-woven fabrics by adhesive agent heating, spread controls at 5 ~ 8g/m
2in scope, biaxial tension PP waterproof ventilated membrane is pressed on Du Pont 1025D spun-bonded non-woven fabrics, PP waterproof ventilated membrane and PE spun-bonded non-woven fabrics are combined with each other, thus the multiple film nonwoven fabrics of obtained high moisture-absorbing desiccant of the present utility model.
Embodiment two: the high moisture-absorbing desiccant preparation of multiple film nonwoven fabrics.
PP waterproof ventilated membrane selects 50g/m
2biaxial tension PP waterproof ventilated membrane, PE spun-bonded non-woven fabrics selects Du Pont 1443R spun-bonded non-woven fabrics, and EVA hot-melt adhesive selected by adhesives.Adopt some spray, be sprayed on Du Pont 1443R spun-bonded non-woven fabrics by adhesive agent heating, spread controls at 5 ~ 8g/m
2in scope, biaxial tension PP waterproof ventilated membrane is pressed on Du Pont 1443R spun-bonded non-woven fabrics, thus the multiple film nonwoven fabrics of obtained high moisture-absorbing desiccant of the present utility model.
Embodiment three: the high moisture-absorbing desiccant preparation of multiple film nonwoven fabrics.
PP waterproof ventilated membrane selects 70g/m
2biaxial tension PP waterproof ventilated membrane, PE spun-bonded non-woven fabrics selects Du Pont 1056D spun-bonded non-woven fabrics, and monocomponent moisture cure type polyurethane adhesive selected by adhesives.Adopt rubbing method, adhesive agent heating coated on Du Pont 1056D spun-bonded non-woven fabrics, spread controls at 5 ~ 8g/m
2in scope, biaxial tension PP waterproof ventilated membrane is pressed on Du Pont 1056D spun-bonded non-woven fabrics, thus the multiple film nonwoven fabrics of obtained high moisture-absorbing desiccant of the present utility model.
With reference to shown in Fig. 1, be not difficult to find out, in above-mentioned three embodiments, prepared high moisture-absorbing desiccant with multiple film nonwoven fabrics by outer field PP waterproof ventilated membrane 1, formed with the adhesives 3 together with described PP waterproof ventilated membrane is bonded and fixed at PE spun-bonded non-woven fabrics at the PE spun-bonded non-woven fabrics 2 and being arranged between described PP waterproof ventilated membrane and PE spun-bonded non-woven fabrics of internal layer.Wherein, the multiple film nonwoven fabrics that embodiment one is obtained, its outer field PP waterproof ventilated membrane 1 is 50g/m
2biaxial tension PP waterproof ventilated membrane, the PE spun-bonded non-woven fabrics 2 of internal layer is Du Pont 1025D spun-bonded non-woven fabrics (1025D Du Pont of Ye Cheng Du Pont paper), and middle adhesives 3 is wet-cured type adhesive for polyurethane.The multiple film nonwoven fabrics that embodiment two is obtained, its outer field PP waterproof ventilated membrane 1 is 50g/m
2biaxial tension PP waterproof ventilated membrane, the PE spun-bonded non-woven fabrics 2 of internal layer is Du Pont 1443R spun-bonded non-woven fabrics (1443R Du Pont of Ye Cheng Du Pont paper), and middle adhesives 3 is EVA hot-melt adhesive.The multiple film nonwoven fabrics that embodiment three is obtained, its outer field PP waterproof ventilated membrane 1 is 70g/m
2biaxial tension PP waterproof ventilated membrane, the PE spun-bonded non-woven fabrics 2 of internal layer is Du Pont 1025D spun-bonded non-woven fabrics, Du Pont 1056D spun-bonded non-woven fabrics (1056D Du Pont of Ye Cheng Du Pont paper), and middle adhesives 3 is wet-cured type adhesive for polyurethane.Above-mentioned wet-cured type adhesive for polyurethane and EVA hot-melt adhesive are environment-friendlybinder binder, and so make this multiple film nonwoven fabrics finished product more composite environmental-friendly requirement, we also can select the adhesives of other material certainly.Above-mentioned PP waterproof ventilated membrane is also non-essential is 50g/m
2or 70g/m
2biaxial tension PP waterproof ventilated membrane, also can be general PP waterproof ventilated membrane.Above-mentioned PE spun-bonded non-woven fabrics 2 is non-essential is Du Pont 1025D spun-bonded non-woven fabrics, Du Pont 1443R spun-bonded non-woven fabrics or Du Pont 1056D spun-bonded non-woven fabrics, also can adopt the PE spun-bonded non-woven fabrics of other models.Described Du Pont 1025D spun-bonded non-woven fabrics, Du Pont 1443R spun-bonded non-woven fabrics and Du Pont's 1056D spun-bonded non-woven fabrics are respectively Du Pont's paper of different model, and Du Pont's paper is PE spun-bonded non-woven fabrics the most common.
The utility model said " internal layer " and " skin " have following implication: " internal layer " refers to when using this multiple film nonwoven fabrics packaging desiccant, near that one deck of desiccant." skin " refers to when using this multiple film nonwoven fabrics packaging desiccant, away from that one deck of desiccant.Packaged desiccant and outer PP waterproof ventilated membrane 1 are kept apart by internal layer PE spun-bonded non-woven fabrics 2.
When using this multiple film nonwoven fabrics to pack high moisture-absorbing desiccant, the PE spun-bonded non-woven fabrics 2 being generally positioned at internal layer directly contacts with high moisture-absorbing desiccant, be positioned at outer field PP waterproof ventilated membrane contact with ambient atmosphere and directly do not contact (being separated by PE spun-bonded non-woven fabrics between PP waterproof ventilated membrane and high moisture-absorbing desiccant) with high moisture-absorbing desiccant, like this with PP waterproof and breathable face for waterproof outer layer, with PE spun-bonded non-woven fabrics face for internal layer waterproof layer and hot sealing layer, because PE spun-bonded non-woven fabrics main component is polyethylene, himself has water repellency and also has waterproof ability, effectively can reduce the infiltration of inner calcium chloride water (becoming calcium chloride water after high moisture-absorbing desiccant moisture absorption), add again the protection of outer PP waterproof ventilated membrane, thus guarantee that the aqueous system can not outwards seep water.And the heat-sealing temperature requirement of the resistance to temperature high-performance of outer PP material and internal layer PE material, is conducive to mechanization production speed when improving this multiple film non-woven fabric bag.
Contriver is found by lot of experiments, obtained multiple film nonwoven fabrics, and when its each material composition is according to following percent by weight proportioning, water-impervious performance is better, and manufacture craft is also more simple and convenient.Be specially:
PP waterproof ventilated membrane 45 ~ 60%;
PE spun-bonded non-woven fabrics 35 ~ 50%;
Adhesives 3 ~ 10%.
Contriver is to the multiple film nonwoven fabrics obtained by above-described embodiment one, embodiment two and embodiment three, and the multiple film of traditional Du Pont, and carried out the test of indices, test result is in table 1:
Table 1:
In Table 1, the preparation method of the multiple film of Du Pont is: heat spray adhesive agent 5g/m on Du Pont 1025D spun-bonded non-woven fabrics
2, then with 50g/m
2pE waterproof ventilated membrane compound and make.
Be not difficult to find out by table 1, multiple film nonwoven cloth material of the present utility model is all obviously better than current material Du Pont multiple film, especially Hot Tack strength, moisture peretrability and water pressure resistance aspect in indices.
The PP waterproof ventilated membrane mentioned in the utility model, PE spun-bonded non-woven fabrics and adhesives, be the commodity of buyable.Wherein the main component of PP waterproof ventilated membrane is polypropylene (being called for short PP) and calcium carbonate (chemical formula CaCO
3).The main component of PE spun-bonded non-woven fabrics is polyethylene (being called for short PE), not containing calcium carbonate.
Embodiment four: desiccant package bags.
With reference to shown in Fig. 2 and Fig. 3, we can adopt the multiple film nonwoven fabrics obtained by the various embodiments described above to carry out the bag wall of this high moisture-absorbing desiccant packaging bag of construction drawing 2, and described PP waterproof ventilated membrane 1 are arranged in the outside of described PE spun-bonded non-woven fabrics 2.The general outside wall surface described PP waterproof ventilated membrane 1 being arranged in this packaging bag, during use, it contacts with ambient atmosphere, and described PE spun-bonded non-woven fabrics 2 is arranged in the internal face of this packaging bag, and during use, it directly contacts with high moisture-absorbing desiccant.Said " adopting the multiple film nonwoven fabrics obtained by the various embodiments described above to carry out the bag wall of this high moisture-absorbing desiccant packaging bag of construction drawing 2 " comprises this situation above: a part adopts multiple film nonwoven fabrics of the present invention, and remainder adopts the material such as PA/PE, PET/PE, OPP/PE, aluminium film to make desiccant venting bags bag wall.When we use this packaging bag to ensure the calcium chloride desiccant of high moisture absorption like this, desiccant can not contact with PP waterproof ventilated membrane, has very strong water permeability resistance energy.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to people can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to the Spirit Essence of the utility model main technical schemes or modification, all should be encompassed within protection domain of the present utility model.
Claims (3)
1. the one kind high multiple film nonwoven fabrics of moisture-absorbing desiccant, it is characterized in that, it by being positioned at outer field PP waterproof ventilated membrane (1), be positioned at the PE spun-bonded non-woven fabrics (2) of internal layer and the adhesives (3) be bonded between described PP waterproof ventilated membrane and PE spun-bonded non-woven fabrics is formed.
2. a packaging bag, it is characterized in that the bag wall of this packaging bag adopts the multiple film nonwoven fabrics of high moisture-absorbing desiccant according to claim 1 to make, described PP waterproof ventilated membrane (1) is arranged in the outside of described PE spun-bonded non-woven fabrics (2).
3. packaging bag according to claim 2, is characterized in that: described PP waterproof ventilated membrane (1) is arranged in the outside wall surface of this packaging bag, and described PE spun-bonded non-woven fabrics (2) is arranged in the internal face of this packaging bag.
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| CN201520461571.5U CN204776541U (en) | 2015-06-30 | 2015-06-30 | High hygroscopic desiccation agent is with compound membrane non -woven fabrics with by its wrapping bag of making |
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| CN201520461571.5U CN204776541U (en) | 2015-06-30 | 2015-06-30 | High hygroscopic desiccation agent is with compound membrane non -woven fabrics with by its wrapping bag of making |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035492A (en) * | 2015-06-30 | 2015-11-11 | 昆山威胜干燥剂有限公司 | Laminating non-woven fabric for high-hygroscopic drying agent, preparation method thereof and packaging bag made of laminating non-woven fabric |
| CN106742615A (en) * | 2017-01-16 | 2017-05-31 | 苏州苏米欧贸易有限公司 | A kind of desiccant package bags |
| CN109171052A (en) * | 2018-09-20 | 2019-01-11 | 中国人民解放军第二军医大学第二附属医院 | A kind of waterproof and breathable clothes for collecting moisture |
| CN111391468A (en) * | 2020-03-25 | 2020-07-10 | 海宁市和盛彩印有限公司 | Composite technology of breathable film for outer package of drying agent |
| CN113652800A (en) * | 2021-08-18 | 2021-11-16 | 浙江冠诚科技有限公司 | Super-soft bi-component waterproof breathable non-woven fabric and production process thereof |
-
2015
- 2015-06-30 CN CN201520461571.5U patent/CN204776541U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035492A (en) * | 2015-06-30 | 2015-11-11 | 昆山威胜干燥剂有限公司 | Laminating non-woven fabric for high-hygroscopic drying agent, preparation method thereof and packaging bag made of laminating non-woven fabric |
| CN106742615A (en) * | 2017-01-16 | 2017-05-31 | 苏州苏米欧贸易有限公司 | A kind of desiccant package bags |
| CN109171052A (en) * | 2018-09-20 | 2019-01-11 | 中国人民解放军第二军医大学第二附属医院 | A kind of waterproof and breathable clothes for collecting moisture |
| CN111391468A (en) * | 2020-03-25 | 2020-07-10 | 海宁市和盛彩印有限公司 | Composite technology of breathable film for outer package of drying agent |
| CN113652800A (en) * | 2021-08-18 | 2021-11-16 | 浙江冠诚科技有限公司 | Super-soft bi-component waterproof breathable non-woven fabric and production process thereof |
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