CN101496665A - Shopping bag made of nonwoven fabric - Google Patents

Shopping bag made of nonwoven fabric Download PDF

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Publication number
CN101496665A
CN101496665A CNA2009100026636A CN200910002663A CN101496665A CN 101496665 A CN101496665 A CN 101496665A CN A2009100026636 A CNA2009100026636 A CN A2009100026636A CN 200910002663 A CN200910002663 A CN 200910002663A CN 101496665 A CN101496665 A CN 101496665A
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shopping bag
nonwoven fabric
bag made
nonwoven
shopping
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Chinese (zh)
Inventor
三轮福一
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Axis Co Ltd
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Axis Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/80Packaging reuse or recycling, e.g. of multilayer packaging

Abstract

A shopping bag made of nonwoven fabric according to an aspect of the present invention includes: a lower part which has a bottom that is capable of closing and stretching linearly, right and left sides that are folded inward with a gusset, and an upper part forming a pair of folded broad handles. At least a surface of the shopping bag is made of polyolefin nonwoven fabric. A surface of the nonwoven fabric has a print ink layer. A polymer region with high solubility to hot water is interposed between the print ink layer and the nonwoven fabric. A recycle method of a shopping bag made of nonwoven fabric according to another aspect of the present invention includes: retrieving the above-described shopping bag made of nonwoven fabric that has been used; removing the print ink layer from the nonwoven fabric of the shopping bag made of nonwoven fabric by retting the retrieved shopping bag made of nonwoven fabric in warm water or alkali water to dissolve the polymer region into the warm water or alkali water; and reproducing a shopping bag made of nonwoven fabric by using the used shopping bag made of nonwoven fabric from which the print ink layer has been removed as raw material.

Description

Shopping bag made of nonwoven fabric
Technical field
The present invention relates to shopping bag made of nonwoven fabric.In more detail, even relate to recycling easily and also cracky, in light weight and do not take up space in addition not when packing into so the shopping bag made of nonwoven fabric that is suitable for carrying than heavy articles.
Background technology
All the time, from viewpoints such as efficents use of resources, people use recycled writing paper.Recycled writing paper generally is to make de inked pulp by remove wherein contained printing ink from the old paper of printings such as newspaper, magazine, and the mixture of this independent de inked pulp or this de inked pulp and other paper pulp is copied paper as raw material, thereby make.The operation of deinking is absolutely necessary in the manufacturing of recycled writing paper, though also more expensive than the paper of only making of magma, finished the regeneration cycleization of paper by establishing Deinking Technology, thereby promoted the resources effective utilization by this recycled writing paper of flexible use.But,, remove the technology of this printing-ink and fully establish as yet for the goods that carried out printing on sheet, the film surface of synthetic resin etc.
On the other hand, now, as the method that client will take back from the commodity that retail shops such as supermarket are bought in, the shopping bag of the resin molding system that main use is freely distributed.And wherein the most widely used be that film with low density polyethylene (LDPE) carries out welding and makes the shopping bag of pouch.But this shopping bag stretch-resistance is low, mentions if fill in than merchant's product, and then resin molding extends easily and causes this shopping bag to break or be out of shape, so the in most cases disposable use of this resin molding shopping bag made.
Because the shopping bag of resin molding system is raw material manufacturing with the oil, its disposable use involves the waste of valuable petroleum resources.In addition, because generally cooperated various additives in the resin molding shopping bag made, so, then become for example CO if it is handled by burning 2Generation source Deng pernicious gas.People know that carbon dioxide is also referred to as greenhouse gases, are the reasons of greenhouse effects of the earth.Therefore, this occupation mode of disposable use of resin molding shopping bag made is very not preferred from the viewpoint of protecting environment, economize on resources.
So, the present inventor considers these problems, before the application, mainly proposed with the nonwoven of mylar system with the sewer pouch of identical mylar system make, the recyclable shopping bag (patent documentation 1 and patent documentation 2) of producing (circulationization) again.
Patent documentation 1: No. 3876409 communique of Japan Patent
Patent documentation 2: No. 3959674 communique of Japan Patent
Summary of the invention
, in general, to print the distinctive sign of each retail shop on the shopping bag that retail shop distributed.Because sign can be brought into play the function, the function of exploitation of each retail shop of identification, so, wish on also typographic(al) mark etc. with the above-mentioned shopping bag made of nonwoven fabric that is utilized as target again as retail shop.
But, under the situation of having printed mark etc. on the existing shopping bag that forms by nonwoven, must remove these printing-inks in order to regenerate as the nonwoven of the base material of shopping bag, but this technology is not suggested exploitation as yet.So, to the shopping bag that forms by nonwoven, even thereby must provide and to have printed mark etc. and also produce the new shopping bag that new shopping bag promotes recycling again by the shopping bag that reclaims easily.
In addition, patent documentation 1 described resin shopping bag made is not only to make to be discarded after a single use, but is designed at the shopping bag that can use repeatedly under the common service condition about 5 times.And, suppose to have produced under the damaged situation in using as shopping bag, the consumer returns the retail shop of purchase with shopping bag, and retail shop is sent the shopping bag of returning back to factory, by the new bag of bag material regeneration that reclaims, realize circulationization there by utilizing this new product bag again.So the recycling easy and saving resource of patent documentation 1 described resin shopping bag made also is preferred from the viewpoint of protecting environment.
Even can reusable shopping bag wish to have under having packed into also the more not such intensity of cracky, but the resin shopping bag made of patent documentation 1 has the leeway of further improvement from the viewpoint of intensity than the situation of merchant's product or the big commodity of volume.
That is, problem of the present invention provides and can easily be produced the new bonded fabric product of not printing again and be had more high-intensity shopping bag made of nonwoven fabric by the shopping bag made of nonwoven fabric that printed, and the recycling method of this shopping bag made of nonwoven fabric.
The present inventor furthers investigate in order to realize above-mentioned target, found that, at least the shopping bag made of nonwoven fabric that surface portion is formed by nonwoven, by on the surface of this nonwoven, printing ink layer being set, and make and have the deliquescent macromolecule of higher warm water zone and between this printing ink layer and described nonwoven, exist, as long as thereby this shopping bag made of nonwoven fabric is immersed in the warm water, just can easily printing ink layer be separated from nonwoven and remove, so can expect to promote the circulationization of the shopping bag made of nonwoven fabric that printed, thereby finish the present invention.
The present invention relates to the recycling method of the described shopping bag made of nonwoven fabric in following (1)~(19) and this shopping bag made of nonwoven fabric.
(1) a kind of shopping bag made of nonwoven fabric, surface portion is formed by the polyolefin nonwoven at least, and it possesses:
Have the bottom side portion that wire sealing extends the bag bottom,
Fold into the inboard and have bar about the bag sidepiece,
Be formed with the bag top of a pair of folding broad handle portion,
It is characterized in that, be on the surface of this nonwoven printing ink layer to be set, and make have that the deliquescent macromolecule of higher warm water zone forms between this printing ink layer and described nonwoven.
(2), it is characterized in that described macromolecule zone is contained 20 ℃ 100g glassware for drinking water had less than the solubility of 20g and to 60 ℃ 100g glassware for drinking water macromolecule more than or equal to the solubility of 60g according to (1) described shopping bag made of nonwoven fabric.
(3) according to (1) or (2) described shopping bag made of nonwoven fabric, it is characterized in that the modified polyvinylalcohol with cross-linked structure is contained in described macromolecule zone.
(4), it is characterized in that described modified polyvinylalcohol contains 20 ℃ 100g glassware for drinking water had less than the solubility of 20g and to 60 ℃ 100g glassware for drinking water macromolecule more than or equal to the solubility of 60g according to (3) described shopping bag made of nonwoven fabric.
(5) according to each the described shopping bag made of nonwoven fabric in (1)~(4), described macromolecule zone is this high molecular layer that forms on the surface of described polyolefin nonwoven.
(6) according to each the described shopping bag made of nonwoven fabric in (1)~(4), described macromolecule zone is that this high molecule impregnation is in described polyolefin nonwoven and form.
(7) a kind of recycling method of shopping bag made of nonwoven fabric is characterized in that, comprises following operation:
The operation of each the described shopping bag made of nonwoven fabric in (1) that recovery uses~(6);
Be immersed in warm water or the buck by the shopping bag made of nonwoven fabric that will reclaim, described macromolecule zone is dissolved in warm water or the buck, thus the dipping operation that described printing ink layer is removed from the surface portion that is formed by nonwoven of described shopping bag made of nonwoven fabric;
Then, as raw material, the step for regeneration of shopping bag made of nonwoven fabric is produced in regeneration again with the shopping bag made of nonwoven fabric that uses of having removed printing ink layer.
(8) according to the recycling method of (7) described shopping bag made of nonwoven fabric, it is characterized in that, in described dipping operation, the shopping bag made of nonwoven fabric that is immersed in warm water or the buck is vibrated.
(9) a kind of shopping bag made of nonwoven fabric, surface portion is formed by the polyolefin nonwoven at least, and it possesses:
Have the bottom side portion that wire sealing extends the bag bottom,
Fold into the inboard and have bar about the bag sidepiece,
Form the bag top of a pair of folding broad handle portion,
It is characterized in that described bag top whole or a part that comprises described handle portion at least are that the thickness by the other parts of thickness and described shopping bag relatively is that individual layer heavy wall nonwoven more than 1.1 times forms.
(10), it is characterized in that described bag top whole or comprise the thickness of a part of described handle portion at least and the thickness of the other parts of described shopping bag made of nonwoven fabric relatively is 1.8 times~3.0 times according to (9) described shopping bag made of nonwoven fabric.
(11), it is characterized in that with regard to the length direction of described shopping bag made of nonwoven fabric, the length of the part that is formed by described heavy wall nonwoven is 1/5~1/3 of bag total length according to (9) or (10) described shopping bag made of nonwoven fabric.
(12) a kind of shopping bag made of nonwoven fabric, surface portion is formed by the polyolefin nonwoven at least, and it possesses:
Have the bottom side portion that wire sealing extends the bag bottom,
Fold into the inboard and have bar about the bag sidepiece,
Form the bag top of a pair of folding broad handle portion,
It is characterized in that, described about the joint that extended along its length respectively of bag sidepiece 2 sides are partly sealed, and be formed with ear above the upper limb that extends to described bag sidepiece in the upper end of this heat-seal land.
According to (12) described shopping bag made of nonwoven fabric, it is characterized in that (13) upper limb of described ear is formed with crooked convex curve shape, and the lateral margin of this ear is formed with the sag vertical curve shape of bending to the position of the upper limb of described bag sidepiece.
(14) according to (1) described shopping bag made of nonwoven fabric, it is characterized in that described shopping bag made of nonwoven fabric is made by polypropylene non-woven fabric.
(15) according to (9) described shopping bag made of nonwoven fabric, it is characterized in that described shopping bag made of nonwoven fabric is made by polypropylene non-woven fabric.
(16) according to (12) described shopping bag made of nonwoven fabric, it is characterized in that described shopping bag made of nonwoven fabric is made by polypropylene non-woven fabric.
(17) according to (14) described shopping bag made of nonwoven fabric, it is characterized in that, make with the polypropylene continuous filament yarn.
(18) according to (15) described shopping bag made of nonwoven fabric, it is characterized in that, make with the polypropylene continuous filament yarn.
(19) according to (16) described shopping bag made of nonwoven fabric, it is characterized in that, make with the polypropylene continuous filament yarn.
According to the present invention, a kind of shopping bag made of nonwoven fabric can be provided, even this shopping bag made of nonwoven fabric is printed, also can have the deliquescent macromolecule of higher warm water zone and between printing ink layer and nonwoven, exist by making, by this macromolecule zone is dissolved in the warm water, thereby easily described printing ink layer is removed from described nonwoven.
In addition, because being the nonwoven by easy regeneration, shopping bag made of nonwoven fabric of the present invention constitutes, so shopping bag made of nonwoven fabric that can use by recovery, and described printing ink layer removed from described nonwoven, thereby as raw material, shopping bag made of nonwoven fabric is produced in regeneration again with the shopping bag made of nonwoven fabric that uses of having removed this printing ink layer.Therefore, by the present invention,, can provide this recycling recycling method that promptly reclaims, produces and re-use again for the shopping bag made of nonwoven fabric that printed.
In addition according to the present invention, constitute the bag top that comprises handle portion by the heavy wall nonwoven with individual layer, can provide with existing does not have the shopping bag made of nonwoven fabric of heavy section relatively to have fully high intensity and can fully stand the shopping bag made of nonwoven fabric that uses repeatedly.
In addition according to the present invention, a kind of shopping bag made of nonwoven fabric can be provided, by to about shopping bag made of nonwoven fabric the bag sidepiece, forming the joint that extends along its length respectively partly seals 2 sides, and upper end in this heat-seal land, ear with the upper limb top that extends to described bag sidepiece, thereby can avoid load stress to concentrate on the upper end of heat-seal land, therefore, do not have the shopping bag made of nonwoven fabric of ear to compare with existing, can significantly improve the load limit of filling in the content in the bag and permit volume.
And then because shopping bag made of nonwoven fabric of the present invention is in light weight and can be compact-folded, so be very suitable for carrying.
Description of drawings
Fig. 1 represents the stereogram of the shopping bag of embodiments of the invention 1.
Fig. 2 is the enlarged drawing of A-A ' section of printed layers that comprises the shopping bag of Fig. 1.
The schematic diagram of the manufacture process of the shopping bag of Fig. 3 (a)~(f) expression embodiment 1.
Fig. 4 is the figure that shows the recycling method of shopping bag of the present invention.
Fig. 5 represents the stereogram of the shopping bag of embodiments of the invention 2.
Fig. 6 represents the stereogram of the shopping bag of embodiments of the invention 3.
Fig. 7 (g)~(l) is the schematic diagram of manufacture process of the shopping bag of illustrated embodiment 3.
Fig. 8 is the profile of the A part among Fig. 6.
Fig. 9 is the profile of the B part among Fig. 6.
Figure 10 represents the schematic diagram of manufacture process of the shopping bag of embodiment 4.
Figure 11 represents the schematic diagram of manufacture process of the shopping bag of embodiment 5.
Symbol description
1. shopping bag
2. polypropylene non-woven fabric sheet
3. ear
4. handle portion
5. sealed knot sheet
6. heat-sealing portion
7. bottom side portion
The bag bottom
9. bar
The bag sidepiece
11. bag top
12. modified polyvinylalcohol film
13. printing ink layer
14. shopping bag
15. heavy section
16. polypropylene non-woven fabric sheet
17. shopping bag
18. polypropylene non-woven fabric sheet
19. folding line portion
20. handle portion
21. edge part
22. polypropylene non-woven fabric band
23. the line of acrylic resin system
24. prick the knot sheet
25. peristome
26. the edge of peristome
27. invagination portion
28. lower end
29. bag
30. bag sidepiece
31. bag bottom
32. the edge of handle
33. long leg
34. short leg
35. shopping bag
36. non-woven fabric plate
37. printing ink layer
38. modified polyvinylalcohol film
39. shopping bag
40. non-woven fabric plate
41. modified poly ethylene alcohol solution
42. printing ink layer
The specific embodiment
From aspects such as recycling simplicity, intensity, mouldabilities, shopping bag made of nonwoven fabric of the present invention can use the polyolefin nonwoven for example polyethylene nonwoven or polypropylene non-woven fabric as raw material.Wherein, preferred regeneration is easy to polypropylene non-woven fabric.
In addition because the employed nonwoven of shopping bag made of nonwoven fabric of the present invention is in light weight, and easily collapsed compact and folding after launch again and return to the original form also easy, so this shopping bag also is very suitable for carrying.In addition,, distinguish so needn't split because the preferred whole bag of this shopping bag is formed by identical nonwoven, thus can directly deliver step for regeneration, so the circulationization of this shopping bag is very easy to.
In addition, shopping bag made of nonwoven fabric of the present invention surface portion is at least formed by nonwoven, is to have the shopping bag made of nonwoven fabric of the deliquescent macromolecule of higher warm water zone between this printing ink layer and described nonwoven printing ink layer being set on the surface of this nonwoven and making.
And then, at shopping bag made of nonwoven fabric of the present invention is to be under the formed laminated body of the nonwoven situation about making by its surface portion at least, to the not restriction of using as the base material of this laminated body especially of base material, as long as the formed described shopping bag of this laminated body has full intensity.As described base material, for example can enumerate the plastic foil of polyester, polyamide, polyvinyl alcohol, Merlon, polyethylene, polypropylene etc.; Stationeries such as brown paper, fine paper, parchment, glassine paper; Starch or cellulose tablet; The woven cloth of cotton, fiber crops, polyamide, polyester etc.To the not restriction especially of laminating method of described laminated body, can use known method.
In addition, described nonwoven used in the present invention can use undyed nonwoven, perhaps utilizes habitual non-woven fabric dyeing technology, and for example package dyeing (beam dyeing), liquid flowing dyeing, impregnating decoration method have been carried out the nonwoven of dyeing.Under situation about will utilize again by circulation with the shopping bag of the present invention of dyed nonwoven manufacturing, by reclaiming respectively according to the color difference, and regeneration respectively, can under the state that bag material that reclaims is not decoloured, produce new shopping bag again by it.
Even can require the macromolecule zone among the present invention in the water of low temperature, not dissolve owing to the printing ink layer separated and dissolved viewpoint that changes from requiring shopping bag of the present invention to be moistened by rain also not; On the other hand in order to make this macromolecule zone easily separate, require this macromolecule zone when contacting (dipping), to have the character of easy dissolving with the water of high temperature more than 60 ℃ from nonwoven surface.Therefore, as the macromolecule that satisfies these requirements, the preferred dissolution degree is less than 20g to 20 ℃ 100g water, and is more than or equal to 60g to 60 ℃ 100g water.
In addition,, promptly have the macromolecule of the character of in the high-temperature water more than 60 ℃, easily dissolving but in water at low temperature, being difficult to dissolve, be fit to use polyvinyl alcohol as the normal-temperature water in the present invention as macromolecule with aforesaid special resistance to water.
As polyvinyl alcohol used in the present invention, get final product so long as have the polyvinyl alcohol of aforesaid resistance to water, restriction especially can not be to have for example modified polyvinylalcohol of various modification groups such as alkoxyl, ester group, alkylidene ether.Saponification degree is preferably 97.5 moles more than the %.Particularly, be fit to use the modified polyvinylalcohol that polyvinyl alcohol and crosslinking agent is carried out polymerization and obtain with cross-linked structure.Wherein, preferably by containing for example following formula
Figure A200910002663D00131
(in the formula, 0 ≦ l ≦ 1,0 ≦ m ≦ 1,0 ≦ n ≦ 1,0.8 ≦ l+m+n ≦ 1)
(l, m and n represent the mol ratio of each structure to the acetoacetyl polyvinyl alcohol of shown structure.This macromolecule both can be an atactic polymer, also can have the block polymerization part) carry out polymerization and the modified polyvinylalcohol that obtains with crosslinking agent.As commercially available product, preference such as go-セ Off ァ イ マ-Z-200, Z-410 (Japanese synthetic chemical industry (strain) manufacturing).
As crosslinking agent used in the present invention, so long as can get final product by making the polyvinyl alcohol crosslinked compound of giving the aforesaid resistance to water of polyvinyl alcohol, not restriction especially, for example can use polyvalent metal compounds, boron compound, amines, hydrazine compound, silane compound, the compound that contains methylol, the compound that contains aldehyde radical, epoxide, mercaptan compound, isocyanate compound etc.They both can use the combination that also can use more than two kinds separately.As commercially available product, preference such as グ リ オ キ ザ-Le GX (Japanese synthetic chemical industry society make), ス ミ マ-Le M-30W (manufacturing of Sumitomo Chemical society), Ha イ リ Application Network DM (Clariant manufacturing).Quality with respect to polyvinyl alcohol, to add crosslinking agent more than 0.1 quality % and smaller or equal to the amount of 2.0 quality %, preferably to add crosslinking agent, also preferably with more than 0.5 and add crosslinking agent smaller or equal to the amount of 1.0 quality % more than 1.0 quality % and smaller or equal to the amount of 1.5 quality %.When the addition of crosslinking agent is less than the lower limit amount of above-mentioned scope, because degree of cross linking reduction, insufficient, so can not get desired resistance to water to normal-temperature water and high-temperature water; If addition is more than the upper limit amount of above-mentioned scope in addition, particularly more than 2.0 quality %, then because the degree of cross linking becomes quite high, so the resistance to water to high-temperature water when the resistance to water to normal-temperature water uprises also becomes too high, so can not get in the high-temperature water more than 60 ℃ easily dissolving but in water at low temperature, be difficult to dissolve so desired resistance to water in macromolecule of the present invention zone as the normal-temperature water.
Acetoacetyl polyvinyl alcohol used in the present invention has preferably carried out polyvinyl alcohol the compound of acetoacetylization, as its method, be fit to use following method: polyvinyl alcohol is dispersed in the acetic acid solvent, adds the method for ketene dimer then therein; In advance polyvinyl alcohol is dissolved in the dimethylformaldehyde Huo diox equal solvent method of adding ketene dimer then therein; The method that ketene dimer gas or liquid ketene dimer and polyvinyl alcohol are directly contacted; Or the like.
In the present invention, when polyvinyl alcohol that makes side chain import acetoacetyl and amines as crosslinking agent react, form cross-linked structure as described below.
Figure A200910002663D00151
In addition, when the polyvinyl alcohol that has acetoacetyl in making molecule reacts with the compound that contains aldehyde radical as crosslinking agent, form cross-linked structure as described below.
Figure A200910002663D00152
In addition, when the polyvinyl alcohol that has acetoacetyl in the molecule and the compound that contains methylol as crosslinking agent are reacted, form cross-linked structure as described below.
Figure A200910002663D00153
In addition, when the polyvinyl alcohol that has acetoacetyl in the molecule and polyvalent metal compounds as crosslinking agent are reacted, form cross-linked structure as described below.
In addition; because of the present invention have that the acetoacetyl polyvinyl alcohol of cross-linked structure as mentioned above has in acidity indissoluble, easily molten character in strong basicity; so except that the high-temperature water more than 60 ℃, can buck such as sodium hydrate aqueous solution easily dissolves by for example using.
In addition, hot adhesion can be carried out with for example deliquescent macromolecule of higher warm water that has of film form by utilizing thermal welding in described macromolecule zone on the surface of described nonwoven, thereby forms this high molecular layer on the surface of this nonwoven.Perhaps, described macromolecule zone can or be sprayed the described high molecular aqueous solution and carry out drying by coating on the surface of for example described nonwoven, thereby makes this high molecule impregnation in this nonwoven and form.Under the high molecular situation of surperficial lamination of nonwoven, because between this nonwoven and printing ink layer, formed macromolecule zone, so when this nonwoven separates this printing ink layer, can easily separate with abundant thickness.On the other hand, in nonwoven, flood under the high molecular situation, because this high molecular adhesiveness raises in this nonwoven, so also can do very beautifully in appearance.
Shopping bag made of nonwoven fabric of the present invention in addition can print on the surface of this nonwoven according to differences such as its uses, for example, prints the exclusive mark of each retail shop etc.The mark of the function of each retail shop of performance identification, the function of performance exploitation is to be situated between to be printed on the lip-deep of described nonwoven by utilizing aforesaid method formed macromolecule zone.Printing process does not limit especially so long as the method for nonwoven printshop employing in the past gets final product, and can adopt in letterpress, intaglio printing, hectographic printing, serigraphy, the hectographic printing etc. any.Wherein, the viewpoint that thickness, size, plane, curved surface can print from no matter, preferred serigraphy.When on described shopping bag, printing, both can will carry out the film hot adhesion of printing in advance on the surface of this shopping bag, also can after the film hot adhesion is on nonwoven surface, on this film, print, can also print in the nonwoven surface of having flooded Polymer Solution.
In shopping bag made of nonwoven fabric of the present invention, has the deliquescent macromolecule of higher warm water zone between nonwoven and printing ink layer by making, thereby can be by this shopping bag made of nonwoven fabric being immersed in the warm water more than the uniform temperature, described macromolecule zone is dissolved in the warm water, and easily with the surface isolation of described printing ink layer from described nonwoven.At this moment, by vibrated being immersed in shopping bag made of nonwoven fabric in the warm water, ultrasonic vibration particularly, printing ink layer is come off from nonwoven become easier.In addition, generally be non-water-soluble because constitute the printing-ink of the described printing ink layer that is separated, even warm water can not dissolve yet, so can easily only printing ink layer be taken out from warm water.In addition,, does not with an organic solvent wait and only make water because when bonded fabric product of the present invention separates printing ink layer, thus operator's healthy aspect is not influenced, and then do not have the influence to environment such as soil pollution yet.
And then the recycling method of shopping bag made of nonwoven fabric of the present invention comprises following operation: reclaim shopping bag made of nonwoven fabric recovery process, from nonwoven remove the dipping operation of printing ink layer, the step for regeneration of shopping bag made of nonwoven fabric is produced in regeneration again.In recovery process, shopping bag made of nonwoven fabric of the present invention is recovered as the shopping bag made of nonwoven fabric that uses after repeatedly using.In the dipping operation, remove printing ink layer from nonwoven by above-mentioned method.In addition in step for regeneration, as raw material, shopping bag made of nonwoven fabric is produced in regeneration again with the shopping bag made of nonwoven fabric that uses of having removed printing ink layer.
Shopping bag made of nonwoven fabric of the present invention is because its bag top whole or comprise the thickness of a part of described handle portion at least and the thickness of the other parts of this shopping bag relatively is more than 1.1 times, so can give abundant tensile strength and the tearing toughness that shopping bag bears Item Weight.And then in order to give fully high intensity of shopping bag, the preferred described bag top of this shopping bag whole or comprise the thickness of a part of described handle portion at least and the thickness of the other parts of this shopping bag relatively is 1.8 times~3.0 times.Be not the overlapping heavy wall of making of multilayer as the part of heavy wall in the shopping bag made of nonwoven fabric of the present invention in addition by nonwoven being made two layers etc., but the heavy wall that forms by individual layer.Therefore with the constituent ratio of two plies, can see that intensity significantly improves.And then with regard to the length direction of this shopping bag, the length of preferred described thick wall part is 1/5~1/3 of bag total length.
In addition, shopping bag made of nonwoven fabric of the present invention to bag sidepiece about it, forms the joint that extends along its length respectively 2 sides is partly sealed, and in the upper end of this heat-seal land, has the ear of the upper limb top that extends to described bag sidepiece.If existing shopping bag is to the bigger or more commodity of the volume of wherein packing into, shopping bag will expand so, and the result has applied along the power of cross direction expansion this shopping bag.This power is concentrated the upper end of joint of the bag sidepiece that is applied to this shopping bag.Because the bag sidepiece suturing with thread management of this shopping bag, thus when the power that is subjected to along the cross direction expansion, will occur bag sidepiece that bag concentrates from this power joint, be the problems such as part cracking, breakage of stitch.Relative therewith, to shopping bag made of nonwoven fabric of the present invention, by bag sidepiece about this shopping bag is formed the joint that extends along its length respectively 2 sides are partly sealed, and upper end in this heat-seal land, setting extends to the ear of the upper limb top of described bag sidepiece, thereby when the power that will be subjected to along cross direction expansion, its stress is not concentrated in the upper end of joint of bag sidepiece, but can disperse this stress in the broad regions of the upper limb of bag sidepiece.This ear is that the part by the excision nonwoven forms, and promptly is designed to the shopping bag one.In addition, form crooked convex curve shape by upper limb with this ear, and will form the recessed curved shape of bending to the position of the upper limb of described bag sidepiece from the lateral margin of this ear, can be so that the stress that acts on bag sidepiece diffuse to broad regions from the upper limb position of bag sidepiece, thus further relaxed.
Shopping bag made of nonwoven fabric of the present invention utilizes following method to form, but also can utilize the distinct methods except that following to form.
In the formation method of shopping bag made of nonwoven fabric of the present invention, prepare the non-woven fabric plate be rectangle, this non-woven fabric plate is folded into a short leg with another short leg is overlapping, with the part excision of the folding line portion that forms and formation handle portion and sealed knot sheet.Overlapping left and right sides long leg is sealed or uses with the line of the identical material of bag itself then and carry out stitching sewing machine, thereby form the bag sidepiece.The bag sidepiece folds into inboard according to the length of the bar that is equivalent to will be provided with on the bag about then will sewing up or seal, with the lower end of described invagination portion with seal with its overlapping bottom side portion or carry out stitching sewing machine with described line, thereby formed a bag sidepiece and a bag bottom about bag.Overturn by the bag that will obtain like this is about then, thereby obtain shopping bag made of nonwoven fabric of the present invention.
In addition, other forming method for shopping bag made of nonwoven fabric of the present invention, in second mode, similarly excise the part of non-woven fabric plate and form handle portion with aforesaid way, but this handle portion is not formed in folding line portion but sewing up or the short leg of heat-sealing forms, this respect is different with aforesaid way.Promptly, rectangular non-woven fabric plate is made in preparation, this non-woven fabric plate is folded into a short leg and another short leg is overlapping, then the limit of overlapping short leg is sealed or uses with the line of the identical material of bag itself and carry out stitching sewing machine, and then the part of the short leg that will sew up or seal excision and form handle portion and sealed knot sheet.Then overlapping left and right sides long leg is sealed or uses with the line of the identical material of bag itself and carry out stitching sewing machine, thereby form the bag sidepiece.Next the bag sidepiece folds into inboard according to the length of the bar that is provided with on the bag about will sewing up or seal.With the lower end of described invagination portion with seal with its overlapping bottom side portion or carry out stitching sewing machine with described line, thereby formed a bag sidepiece and a bag bottom about bag.Overturn by the bag that will obtain like this is about then, thereby obtain shopping bag made of nonwoven fabric of the present invention.
In addition, at the thickness by the other parts of thickness and described shopping bag made of nonwoven fabric relatively is that individual layer heavy wall nonwoven more than 1.1 times forms the whole of described bag top or comprises the part of described handle portion at least, thereby when molding shopping bag made of nonwoven fabric of the present invention, at first prepare the thickness at middle part of long side direction of non-woven fabric plate and both ends and be in a ratio of non-woven fabric plate more than 1.1 times, perhaps the thickness at the both ends of the long side direction of non-woven fabric plate and middle part are in a ratio of the non-woven fabric plate more than 1.1 times.Then, carry out moulding, make that the part of heavy wall becomes handle portion in the described non-woven fabric plate according to the forming method of above-mentioned shopping bag made of nonwoven fabric.
In addition, when moulding has the shopping bag made of nonwoven fabric of the present invention of ear, this ear is when forming handle portion and sealed knot sheet in the forming method of above-mentioned shopping bag made of nonwoven fabric, and the part of non-woven fabric plate forms by similarly excising with these handle portions and sealed knot sheet.
And then shopping bag made of nonwoven fabric of the present invention also can be taked at the edge of peristome and the edge of handle, with the mode of the nonwoven fabric belts of the suturing with thread management of identical material and the identical material of bag itself.Wherein,, cover a nonwoven fabric belts with the identical material of bag own, and then use the suturing with thread management with the identical material of bag itself at the edge part of excision after non-woven fabric plate excision handle portion and sealed knot sheet.At this moment, described nonwoven fabric belts both can directly cover at edge part certainly and reinforce, and also can cover more than 1 time by folding to the inside, thereby further margo portion realized further reinforcing.In addition, from the viewpoint of strengthening, preferably this nonwoven fabric belts is sewn to the edge part of a whole circle.In addition, if this nonwoven fabric belts only have can strengthened edge portion width and thickness.
Shopping bag made of nonwoven fabric of the present invention through reinforcing like this, even having packed into than merchant's product or the big commodity of volume when portable, handle also is difficult for extending at longitudinal direction, therefore, is fit to repeated use more.
In addition, resin shopping bag made of the present invention is identical material all by making bag, line and nonwoven fabric belts, troublesome operation such as they is distinguished thereby saved when recycling.
Embodiment
Embodiment 1
Followingly illustrate in greater detail the present invention with reference to figure.Fig. 1 represents the stereogram of the shopping bag made of nonwoven fabric of one embodiment of the present of invention, the illustration intention of the forming process of the shopping bag of (a)~(f) presentation graphs 1 of Fig. 3.
The shopping bag 1 of present embodiment seals pouch with polypropylene non-woven fabric sheet 2 by heat-sealing.For example, as Fig. 3 (a)~(f) is illustrated, make shopping bag 1.In the illustrated method of Fig. 3, prepare elongated rectangle polypropylene non-woven fabric sheet 2, this non-woven fabric plate is folded into a short leg and another short leg overlapping (with reference to figure 3 (b)).The part that comprises folding line portion of the non-woven fabric plate 2 that will fold (part shown in Fig. 3 (b) bend) excision then, thus ear 3, handle portion 4 and sealed knot sheet 5 formed.Then, non-woven fabric plate 2 is sealed (among Fig. 3 (c), 6 expression heat-sealing portions) along limit, thereby form the bag sidepiece 10 (with reference to figure 3 (c)) of shopping bag 1 as the long limit of rectangle.Then, in order to constitute handle portion 4 by dual non-woven fabric plate 2, also in order on the nonwoven shopping bag of finishing 1, bar 9 to be set, the both sides of the non-woven fabric plate 2 after the heat-sealing are folding to the inside (for example, line X and line X ' along Fig. 3 (c)), nonwoven 2 is sealed (among Fig. 3 (d), 6 expression heat-sealing portions) along the limit relative with handle portion 4 and sealed knot sheet 5, thus moulding shopping bag 1.Then will shopping bag 1 inside and outside upset, superimposed modified polyvinylalcohol film 12 on the surface of the non-woven fabric plate 2 of the outer surface that becomes shopping bag 1 fits non-woven fabric plate 2 and modified polyvinylalcohol film 12 by thermal welding.And then, can form printing ink layer 13 by carrying out serigraphy thereon, thereby make shopping bag 1 of the present invention (with reference to figure 2).This modified polyvinylalcohol film 12 about 2g of dissolving only in 20 ℃ 100g water, but be diffluent to 60 ℃ warm water, the solvable 80g that terminates an agreement.In addition, modified polyvinylalcohol film 12 is to be that the such mode of 1.0 quality % is modulated with the Ha イ リ Application Network DM (Clariant manufacturing) as crosslinking agent with respect to go-セ Off ア イ マ-Z-200 (Japanese synthetic chemical industry (strain) manufacturing), and moulding is into about the film of 40 μ m thickness.
The shopping bag of making so of the present invention 1 as shown in Figure 1, the upper limb of ear 3 has formed crooked convex curve shape, and the lateral margin of ear 3 to the position of upper limb of bag sidepiece 10 has formed crooked sag vertical curve shape.Shopping bag 1 possesses as shown in Figure 1 in addition: have the bottom side portion 7 that wire sealing extends bag bottom 8, fold into the inboard and have bar 9 about bag sidepiece 10, form the bag top 11 of a pair of folding broad handle portion 4.
Therefore, a lot of commodity or heavier commodity even shopping bag 1 is packed into, bag can be from open splice, the breakage of bag sidepiece yet, there is not the nonwoven shopping bag of ear to compare with existing, can obviously improve the heavy burden limit of filling in the content in the bag and permit volume, even use so shopping bag of the present invention 1 is packed into repeatedly than merchant's product or the bigger commodity of volume, also can use repeatedly more than 5 times usually.In addition, because the nonwoven of polyolefin system 2 is in light weight, and launch again after compact-folded easily and folding also to return to the original form easily, so shopping bag of the present invention 1 is very suitable for carrying.
In addition, shopping bag 1 is put into the warm water tank that remains on 65 ℃, vibrated and flooded about 3 minutes by ultrasonic wave, the result can be from the surface isolation printing ink layer 13 of shopping bag 1.Take out the shopping bag that has separated printing ink layer 13 from described warm water tank, the printing-ink of separation is deposited in the bottom of this warm water tank greater than water owing to proportion.Take out the printing-ink of precipitation from this warm water tank.
Like this, even shopping bag 1 prints on polyolefin nonwoven 2 surfaces,, also can easily separate printing ink layer 13 by modified polyvinylalcohol 12 is existed between polyolefin nonwoven 2 and printing ink layer 13 as the macromolecule zone.
And then shopping bag that can be by will having removed printing ink layer is as the raw material nonwoven of regenerating, and carries out bag forming, thereby produces new shopping bag again.
Therefore, shopping bag 1 can be by recycling method circulation as shown in Figure 4.
Embodiment 2
The shopping bag 14 of present embodiment is to seal by the polypropylene non-woven fabric sheet 16 that middle part and both ends with long side direction are in a ratio of heavy section 15 to seal pouch.Make shopping bag 14 by step similarly to Example 1.
The shopping bag of making so of the present invention 14 as shown in Figure 5, the upper limb of ear 3 has formed crooked convex curve shape, and the lateral margin of ear 3 to the position of upper limb of bag sidepiece 10 has formed crooked sag vertical curve shape.Shopping bag 14 comprises the shopping bag 14 of the handle portion 4 on bag top 11 as shown in Figure 5 in addition, and its heavy section 15 is that the thickness by the other parts of thickness and shopping bag 14 relatively is that 2.0 times individual layer heavy wall nonwoven forms.And then on the length direction of shopping bag 14, the length of heavy section 15 is 1/3 of bag total length.
Therefore, even shopping bag 14 is packed into a lot of commodity or heavier commodity bag can not split yet, breakage, can obviously improve the heavy burden limit of filling in the content in the bag and permit volume, use than merchant's product or the bigger commodity of volume so shopping bag of the present invention 14 can be packed into repeatedly.In addition, because the nonwoven of polyolefin system 16 is in light weight, and compact-folded easily, and launches again after folding and also return to the original form easily, so shopping bag of the present invention 14 is very suitable for carrying.
In addition, with the method that shopping bag 14 passes through similarly to Example 1, separate printing-inks 13 from shopping bag 14.Consequently, shopping bag 14 for present embodiment is also same with the shopping bag 1 of embodiment 1, even print on polyolefin nonwoven 16 surfaces, also can pass through modified polyvinylalcohol 12 is existed between polyolefin nonwoven 16 and printing ink layer 13 as the macromolecule zone, thereby easily separate printing ink layer 13.
And then shopping bag that can be by will having removed printing ink layer is as the raw material nonwoven of regenerating, and carries out bag forming, thereby produces new shopping bag again.
Therefore, shopping bag 14 can be by recycling method circulation as shown in Figure 4.
Embodiment 3
Present embodiment is the shopping bag made of nonwoven fabric 17 of one embodiment of the invention of Fig. 6~shown in Figure 9, utilizes following method to make.
Preparation is of a size of long leg 33 and is about the rectangle polypropylene non-woven fabric sheet 18 that 100cm and short leg 34 are about 40cm, fold (with reference to figure 7 (g)) in short leg 34 and another short leg 34 overlapping modes, then about middle part of the folding line portion 19 that forms and two tip cut-offs thereof are formed handle portion 20 (with reference to figure 7 (h)).Each edge part 21 whole that spread all over the middle part of having excised and two ends then, the elongated polypropylene non-woven fabric band 22 of the about 1.5cm of covering wide, sew up with the line 23 of acrylic resin system then, the left and right sides long leg 33 that will overlap is each other simultaneously sewed up (with reference to figure 7 (i)) with the line 23 of acrylic resin system respectively.Like this, by on the edge part 21 at edge that becomes the bag peristome and handle edge, covering polypropylene non-woven fabric band 22 and sewing up, can improve tensile strength and reinforce.In addition, in the present embodiment, as the profile of the A part that shows Fig. 6 as shown in Figure 8, polypropylene non-woven fabric band 22 is folding to the inside 1 time and cover and sew up.Tensile strength further improves when therefore, directly covering stitching than polypropylene non-woven fabric band 22 is not folded.In addition, when sewing up polypropylene non-woven fabric band 22, the bundle that is about a pair of elongated acrylic resin system of 9cm and wide about 4cm is tied on the edge 26 that sheet 24 is sewn to peristome 25 together (with reference to figure 7 (i)).At this moment, describe like that as Fig. 7 (j) of the profile of the B part that shows Fig. 6, prick knot sheet 24 with folding 1 time and the polypropylene non-woven fabric band 22 of covering together is sewn to the inside.Then, in order on the bag of finishing 29, bar to be set, with the X-X line among Fig. 7 (i) serves as that the left and right sides long leg 33 that axle will have been sewed up folds about about 8cm respectively to the inside, then the lower end 28 of this folding part 27 is sewed up with the line 23 with its overlapping short leg 34 usefulness acrylic resin system, thereby formed the bag sidepiece 30 and the bag bottom 31 (with reference to Fig. 6 (j)) of bag 29.Then, utilize method similarly to Example 1, modified polyvinylalcohol film 12 is fitted on polypropylene non-woven fabric sheet 18 surfaces of the outer surface that becomes shopping bag 17, thereby forms printing ink layer 13 shopping bag 17 inside and outside upsets.So, obtaining shopping bag made of nonwoven fabric 17 of the present invention by such operation, the edge 26 of its peristome 25 and the edge 32 of handle portion 20 are reinforced owing to having sewed up polypropylene non-woven fabric band 22.
In addition, with the method that shopping bag 17 passes through similarly to Example 1, separate printing ink layers 13 from shopping bag 17.Consequently, shopping bag 17 for present embodiment is also same with the shopping bag 1 of embodiment 1, even print on polypropylene non-woven fabric sheet 18 surfaces, also can pass through modified polyvinylalcohol 12 is existed between polypropylene non-woven fabric sheet 18 and printing ink layer 13 as the macromolecule zone, thereby easily separate printing ink layer 13.
And then shopping bag that can be by will having removed printing ink layer is as the raw material nonwoven of regenerating, and carries out bag forming, thereby produces new shopping bag again.
Therefore, shopping bag 17 can be by recycling method circulation as shown in Figure 4.
Embodiment 4
The shopping bag 35 inside and outside upsets of step moulding similarly to Example 1 will be utilized, on non-woven fabric plate 36 surfaces of the outer surface that becomes shopping bag 35, overlap the modified polyvinylalcohol film 38 that has printing ink layer 37 in advance with serigraphy in its surface, and fetch applying non-woven fabric plate 36 and modified polyvinylalcohol film 38 by hot melt, thereby make shopping bag 35 of the present invention (with reference to Figure 10) by flatiron.Described modified polyvinylalcohol film is employed identical with embodiment 1.
In addition, utilize method similarly to Example 1, separate printing ink layer 37 from shopping bag 35.Consequently, even use the modified polyvinylalcohol film that has carried out printing in advance on the surface also same with the shopping bag 1 of embodiment 1, by modified polyvinylalcohol is existed between non-woven fabric plate 36 and printing ink layer 37 as the macromolecule zone, can easily separate printing ink layer 37.
And then shopping bag that can be by will having removed printing ink layer is as the parallel bag forming of raw material regeneration nonwoven, thereby utilizes recycling method as shown in Figure 4 to produce new shopping bag again.
Embodiment 5
The shopping bag 39 inside and outside upsets of step moulding similarly to Example 1 will be utilized, coating modified poly ethylene alcohol solution 41 on the surface of the non-woven fabric plate 40 of the outer surface that becomes shopping bag 39, make water evaporates, on this surface, form printing ink layer 42 then, thereby make shopping bag 39 of the present invention (with reference to Figure 11) by printing with serigraphy.In addition, described modified poly ethylene alcohol solution 41 is to be the mode hybrid modulation of 1.0 quality with respect to go-セ Off ア イ マ-Z-200 (Japanese synthetic chemical industry (strain) manufacturing) with Ha イ リ Application Network DM (Clariant manufacturing) as crosslinking agent.
Then, utilize method similarly to Example 1, separate printing ink layer 42 from shopping bag 39.Consequently, the shopping bag 39 that obtains like that as mentioned above is same with the shopping bag 1 of embodiment 1, by with modified polyvinylalcohol 41 as macromolecule zone and existence between non-woven fabric plate 40 and printing ink layer 42, thereby can easily separate printing ink layer 42.
And then shopping bag that can be by will having removed printing ink layer is as the raw material nonwoven of regenerating, and carries out bag forming, thereby utilizes recycling method as shown in Figure 4 to produce new shopping bag again.

Claims (19)

1. shopping bag made of nonwoven fabric, surface portion is formed by the polyolefin nonwoven at least, and it possesses:
Have the bottom side portion that wire sealing extends the bag bottom,
Fold into the inboard and have bar about the bag sidepiece,
Be formed with the bag top of a pair of folding broad handle portion,
It is characterized in that, be on the surface of this nonwoven printing ink layer to be set, and make have that the deliquescent macromolecule of higher warm water zone forms between this printing ink layer and described nonwoven.
2. shopping bag made of nonwoven fabric according to claim 1 is characterized in that, described macromolecule zone is contained 20 ℃ 100g glassware for drinking water had less than the solubility of 20g and to 60 ℃ 100g glassware for drinking water macromolecule more than or equal to the solubility of 60g.
3. shopping bag made of nonwoven fabric according to claim 1 and 2 is characterized in that, the modified polyvinylalcohol with cross-linked structure is contained in described macromolecule zone.
4. shopping bag made of nonwoven fabric according to claim 3 is characterized in that, described modified polyvinylalcohol contains 20 ℃ 100g glassware for drinking water had less than the solubility of 20g and to 60 ℃ 100g glassware for drinking water macromolecule more than or equal to the solubility of 60g.
5. according to each the described shopping bag made of nonwoven fabric in the claim 1~4, described macromolecule zone is this high molecular layer that forms on the surface of described polyolefin nonwoven.
6. according to each the described shopping bag made of nonwoven fabric in the claim 1~4, described macromolecule zone is that this high molecule impregnation is in described polyolefin nonwoven and form.
7. the recycling method of a shopping bag made of nonwoven fabric is characterized in that, comprises following operation:
The operation of the described shopping bag made of nonwoven fabric of each in the claim 1~6 that recovery uses;
Be immersed in warm water or the buck by the shopping bag made of nonwoven fabric that will reclaim, described macromolecule zone is dissolved in warm water or the buck, thus the dipping operation that described printing ink layer is removed from the surface portion that is formed by nonwoven of described shopping bag made of nonwoven fabric;
Then, as raw material, the step for regeneration of shopping bag made of nonwoven fabric is produced in regeneration again with the shopping bag made of nonwoven fabric that uses of having removed printing ink layer.
8. the recycling method of shopping bag made of nonwoven fabric according to claim 7 is characterized in that, in described dipping operation, the shopping bag made of nonwoven fabric that is immersed in warm water or the buck is vibrated.
9. shopping bag made of nonwoven fabric, surface portion is formed by the polyolefin nonwoven at least, and it possesses:
Have the bottom side portion that wire sealing extends the bag bottom,
Fold into the inboard and have bar about the bag sidepiece,
Form the bag top of a pair of folding broad handle portion,
It is characterized in that described bag top whole or a part that comprises described handle portion at least are that the thickness by the other parts of thickness and described shopping bag relatively is that individual layer heavy wall nonwoven more than 1.1 times forms.
10. shopping bag made of nonwoven fabric according to claim 9 is characterized in that, described bag top whole or comprise the thickness of a part of described handle portion at least and the thickness of the other parts of described shopping bag made of nonwoven fabric relatively is 1.8 times~3.0 times.
11., it is characterized in that with regard to the length direction of described shopping bag made of nonwoven fabric, the length of the part that is formed by described heavy wall nonwoven is 1/5~1/3 of bag total length according to claim 9 or the described shopping bag made of nonwoven fabric of claim 10.
12. a shopping bag made of nonwoven fabric, surface portion is formed by the polyolefin nonwoven at least, and it possesses:
Have the bottom side portion that wire sealing extends the bag bottom,
Fold into the inboard and have bar about the bag sidepiece,
Form the bag top of a pair of folding broad handle portion,
It is characterized in that, described about the joint that extended along its length respectively of bag sidepiece 2 sides are partly sealed, and be formed with ear above the upper limb that extends to described bag sidepiece in the upper end of this heat-seal land.
13. shopping bag made of nonwoven fabric according to claim 12 is characterized in that, the upper limb of described ear is formed with crooked convex curve shape, and the lateral margin of this ear is formed with the sag vertical curve shape of bending to the position of the upper limb of described bag sidepiece.
14. shopping bag made of nonwoven fabric according to claim 1 is characterized in that, described shopping bag made of nonwoven fabric is made by polypropylene non-woven fabric.
15. shopping bag made of nonwoven fabric according to claim 9 is characterized in that, described shopping bag made of nonwoven fabric is made by polypropylene non-woven fabric.
16. shopping bag made of nonwoven fabric according to claim 12 is characterized in that, described shopping bag made of nonwoven fabric is made by polypropylene non-woven fabric.
17. shopping bag made of nonwoven fabric according to claim 14 is characterized in that, makes with the polypropylene continuous filament yarn.
18. shopping bag made of nonwoven fabric according to claim 15 is characterized in that, makes with the polypropylene continuous filament yarn.
19. shopping bag made of nonwoven fabric according to claim 16 is characterized in that, makes with the polypropylene continuous filament yarn.
CNA2009100026636A 2008-01-28 2009-01-14 Shopping bag made of nonwoven fabric Pending CN101496665A (en)

Applications Claiming Priority (5)

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JP016261/2008 2008-01-28
JP2008016260A JP2009172282A (en) 2008-01-28 2008-01-28 Shopping bag
JP016260/2008 2008-01-28
JP065893/2008 2008-03-14
JP131849/2008 2008-05-20

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109476403A (en) * 2016-07-25 2019-03-15 塞鲁贝股份公司 The degradable bag of water
CN109844206A (en) * 2016-10-17 2019-06-04 再利用再制造有限公司 Make multiple bags of method and system and a kind of bag
CN110273299A (en) * 2019-06-29 2019-09-24 华南理工大学 A kind of polyvinyl alcohol non-woven fabrics and preparation method thereof
CN114472480A (en) * 2020-11-12 2022-05-13 株式会社Axis Recycling method of reusable bag

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Publication number Priority date Publication date Assignee Title
CN105150647A (en) * 2015-09-07 2015-12-16 沈阳化工大学 Plastic woven bag with waterproofing and air-proofing functions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH089195B2 (en) * 1986-12-23 1996-01-31 昭和電工株式会社 Synthetic resin bag material manufacturing method
JPS6484851A (en) * 1987-06-23 1989-03-30 Showa Denko Kk Synthetic resin bag and manufacture of material therefor
JPH02106332A (en) * 1988-10-14 1990-04-18 Yasuharu Mitani Manufacture of tube bag with nonuniform section
JP3959674B2 (en) * 2001-11-02 2007-08-15 株式会社アクシス Resin non-woven shopping bag

Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN109476403A (en) * 2016-07-25 2019-03-15 塞鲁贝股份公司 The degradable bag of water
CN109844206A (en) * 2016-10-17 2019-06-04 再利用再制造有限公司 Make multiple bags of method and system and a kind of bag
CN110273299A (en) * 2019-06-29 2019-09-24 华南理工大学 A kind of polyvinyl alcohol non-woven fabrics and preparation method thereof
CN114472480A (en) * 2020-11-12 2022-05-13 株式会社Axis Recycling method of reusable bag

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Application publication date: 20090805