CN103757822A - Bubble type flexible non-woven cloth and manufacturing method thereof - Google Patents
Bubble type flexible non-woven cloth and manufacturing method thereof Download PDFInfo
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- CN103757822A CN103757822A CN201410044061.8A CN201410044061A CN103757822A CN 103757822 A CN103757822 A CN 103757822A CN 201410044061 A CN201410044061 A CN 201410044061A CN 103757822 A CN103757822 A CN 103757822A
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- 239000004744 fabric Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 238000005098 hot rolling Methods 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 229920000642 polymer Polymers 0.000 claims abstract description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 4
- 239000000835 fiber Substances 0.000 abstract description 15
- 206010021639 Incontinence Diseases 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 229920000747 poly(lactic acid) Polymers 0.000 abstract 4
- 239000004626 polylactic acid Substances 0.000 abstract 4
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000002074 melt spinning Methods 0.000 abstract 1
- 230000005180 public health Effects 0.000 abstract 1
- 238000009941 weaving Methods 0.000 description 7
- 238000011161 development Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 229920002494 Zein Polymers 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000005019 zein Substances 0.000 description 3
- 229940093612 zein Drugs 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- SOROIESOUPGGFO-UHFFFAOYSA-N diazolidinylurea Chemical compound OCNC(=O)N(CO)C1N(CO)C(=O)N(CO)C1=O SOROIESOUPGGFO-UHFFFAOYSA-N 0.000 description 1
- 229960001083 diazolidinylurea Drugs 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention discloses a piece of bubble type flexible non-woven cloth and a manufacturing method of the bubble type flexible non-woven cloth. Raw materials, namely, polylactic acid high polymers, are solidified into the cloth through melt spinning net laying and twice hot rolling. Annular nips are formed through the first time of hot rolling, point nips are formed through the second time of hot rolling, and finally the bubble type non-woven cloth is formed. Due to the fact that the nip area is small and the three-dimensional structure is obvious, the non-woven cloth is excellent in flexibility, small in contact area when making contact with the skin, fresh and cool, can not be attached to the human body, enables a user to feel nice and cool, and can be widely applied to disposal medical treatment and public health products such as sanitary towels, paper diapers, adult incontinence trousers, surgical gowns and operation cushions through combination with the advantages of polylactic acid fibers. Meanwhile, the polylactic acid raw materials have the advantages that the polylactic acid raw materials can be completely and naturally circulated and can be decomposed in a biological mode, energy consumption is lowered, and the environment protection role is played.
Description
Technical field
A kind of bubble type soft nonwoven, particularly adopts PLA filature fleece formation, and the nonwoven fabric of the two hot rolling consolidation techniques of process.
Background technology
The western countries such as between 2008～2009, the world has experienced global economic recession, and nonwovens industry is a greater impact too, especially American-European, the growth of non-weaving cloth is also corresponding slows down or stagnates.Economy in 2010 starts recovery, the development of the non-weaving cloth growth faster of appearing again again.According to international appropriate authority the poll projected, in several years before 2015, the demand of global non-weaving cloth is by the speed increment with annual 6.9%.The speedup of especially low grammes per square metre product is faster, and annual growth rate reaches 7.2%, and this has some idea of from the great development that in recent years adopts the low grammes per square metre of advanced technology to spin molten method non-weaving cloth.Wherein, 2011, the demand that molten method non-weaving cloth is spun to PP in the whole world was approximately 2,000,000 tons, expects 2015 will reach nearly 2,400,000 tons to its demand according to investment plan.Single from sanitary use, within 2011, the demand that melts method non-weaving cloth is spun about 65,000,000,000 m2 to PP in the whole world, to expection in 2015, can reach 80,000,000,000 m2.Medical and health use nonwoven material disposable products are necessitys of personal nursing in treatment, diagnosis, comprise medical protective garment, control and infect articles for use, incontinence article, operation gauze, ward apparatus, operating room product etc.The sales volume of surgical operating drape, hole towel is very large; Surgery shoe cover, Chinese medicine patch, blood medicine filters, and wound dressings etc. have certain consumption, and the sales volume such as disposable feminine hygiene towel, baby paper diaper, adult incontinence pants is all very huge.
Along with development, people are also more and more higher to the requirement of nonwoven fabric, the production of nonwoven fabric has also been proposed to a lot of requirements, comfortableness beyond doubt to the main requirement of skin contact class nonwoven fabric, at present nonwoven fabric is carried out to soft finish and mainly adopt raw material modification, but cost is very high, environment, skin safe etc. is had to impact, limited this method development, also have non-woven fabrics fiber is spun carefully, reach soft object, soft effect is very limited, and higher to equipment requirement, output is also very low simultaneously.
The seersucker of traditional textile is the fabric in COTTON FABRIC with particular appearance style and features, adopts frivolous muslin to process.Cloth cover presents the scraggly little bubble that evenly gathers, not next to the skin while wearing, soft and have a cooling feeling.This patent adopts special hot rolling technology, and nonwoven fabric is carried out to bubble type sags and crests design, thereby reaches the feature such as soft, not next to the skin.
The patent < < that Japan JNC fiber Co., Ltd. announces has the nonwoven fabric of surface relief structure and has used the goods > > patent of invention ZL201080028316.1 of this nonwoven fabric, announced a kind of nonwoven fabric, thereby feature is at least one surface by make the nonwoven fabric that interfibrous intertwined point heat bonding forms at the fiber web that hot blast is passed comprise thermal bonding fiber, pressing the planar body with multiple perforates obtains, wherein, describedly press that to process be to carry out under the hot state that can further not carry out at the heat bonding with nonwoven fabric.
The utility model patent < < emboss nonwoven cloth > > that sane Industrial Co., Ltd. announces, the patent No. is ZL200820139753.0, a kind of concavo-convex nonwoven fabric also can be provided, but belong to striated structure;
Summary of the invention
Use the spun bonded fabric of knurling rolls comparatively general, but the concavo-convex nonwoven fabric bulkiness obtaining by general hot calendering bonding is very low, hot rolling portion, by filming, damages the feel of nonwoven fabric.
This patent discloses a kind of bubble type flexible nonwoven cloth material and manufacture method thereof, this nonwoven fabric raw material adopts has complete natural circulation type all and the biolytic PLA high polymer of energy, adopt spunbond pair of hot rolling technology, two hot roll top roll is salient point shape, and lower roll is concave point shape.It is characterized in that, the method comprises the following steps:
(1) spun-bond process becomes after net, and during hot rolling for the first time, the salient point of top roll is pyramid type, conical base cross-sectional area 15m m
2, high 3mm, the concave point of lower roll is column type, cross-sectional area 15m m
2, the dark 5mm of cylinder, the concave point bottom of top roll salient point top and lower roll does not contact, and only has the edge of salient point and concave point to contact, and contact area is 5m m
2, form ring type and roll a little, roll an area 4m m
2.100 ℃ of top roll roller temperatures, 97 ℃ of lower roll roller temperatures, upper and lower rod pressure is 90daN/cm, top and bottom rolls rotating speed is identical;
(2), during hot rolling for the second time, top roll salient point is mushroom stereochemical structure, top cross-sectional area 5m m
2, bottom transverse area of section 3m m
2, be highly 4mm; Lower roll concave point is column structure, cross-sectional area 8m m
2, the degree of depth is 4mm, and the concave point bottom of top roll salient point top and lower roll contacts, and edge does not contact, and contact area is 5m m
2, form point type and roll a little, roll an area 3m m
2.110 ℃ of top roll roller temperatures, 105 ℃ of lower roll roller temperatures, upper and lower rod pressure is 85daN/cm, top and bottom rolls rotating speed is identical;
The technological process of PLA spun-bonded non-woven fabrics is: dry → section of section feeding → melt extruded → spinning → cooling drawing-off → sub-wire lapping → fibre web hot rolling reinforcing → trimming is reeled.This patent has the following advantages:
1, flexibility is good
Because the column side of the three-dimensional sags and crests of bubble type that forms is not by hot roll hot pressing, thus fluffy, bubble type third dimension in addition, pliability is very excellent.
2, not next to the skin
Concaveconvex structure, little with skin contact area, not next to the skin, and there is refrigerant sense.
3,, after hydrophilic treatment, hydrophilic effect is outstanding
While being used for the surface layer of sanitary napkin, paper diaper, adult incontinence pants, need to personally process, because this cloth cover has concave-convex type structure, hydrophilic effect is very outstanding, according to EDANA153.0-02 method, test, first three time of break-through≤1.5s, with the 3.5s comparison of general material, hydrophilic effect is very excellent;
4, scrap build is simple, and cost is lower
Spinning, web-forming equipment and technique are not needed to change, only need transform hot roll, scrap build cost is low, and very flexible.
Acid fiber by polylactic (PLA) has biodegradability, its superior performance, has fabulous drapability, slipping, sucting wet air permeability, natural bacteriostatic and makes the relieved faintly acid of skin, good heat resistance and anti-ultraviolet function and be rich in gloss and elasticity.Acid fiber by polylactic is that the lactic acid containing with human body is made the synthetic lactic acid polymer of raw material, and human body is perfectly safe.After tested, the round pin made from the zein fiber not Diazolidinyl Urea of weaving cotton cloth, and useful to health, and have comfort.It is raw material that acid fiber by polylactic (PLA) adopts the plant resources of natural reproducible, reduced the dependence to traditional petroleum resources, meet the requirement of international community's sustainable development, it has the advantage of synthetic fiber and natural fabric concurrently, while is the complete natural circulation type all of tool and the biolytic feature of energy again, compared with conventional fibrous material, zein fiber also has the performance of many uniquenesses, so obtain the extensive attention of World Textile circle.Along with the enhancing of the mankind to earth protection consciousness, lack of energy consciousness, awareness of safety and clothes health consciousness; and the continuous expansion of the large-scale industrial production of PLA resin and zein fiber Application Areas; by numerous experts, being recommended as " the environment recycled material of 21 century ", is a kind of ecological property fiber that has development potentiality.
Accompanying drawing explanation
Fig. 1 bubble type rolls a nonwoven fabric schematic diagram;
Fig. 2: the upper and lower rod schematic diagram of hot roll;
Fig. 3: the tapered salient point schematic diagram of hot rolling top roll;
The mushroom-shaped salient point schematic diagram of Fig. 4 hot rolling top roll;
Fig. 5 bubble type nonwoven fabric cross section design sketch;
The specific embodiment
Embodiment mono-: 14g/m
2pLA spun-bonded hot rolling non-woven fabric
The technological process of PLA spun-bonded non-woven fabrics is: dry → section of section feeding → melt extruded → spinning → cooling drawing-off → sub-wire lapping → fibre web hot rolling reinforcing → trimming is reeled.In fibre web hot rolling reinforcing process, as shown in Figure 2, fibre web process topping roll (3) and bottom roll (4) during hot rolling for the first time.As shown in Figure 3, rolling of upper hot roll (3) is some pyramid type salient point (5), conical base cross-sectional area 15m m
2, high 3mm, the concave point of lower roll is column type, cross-sectional area 15m m
2, the dark 5mm of cylinder, the concave point bottom of top roll salient point (5) top and lower roll does not contact, and only has the edge of salient point and concave point to contact, and contact area is 5m m
2, as shown in Figure 5, form ring type and roll point (8), roll an area 4m m
2.100 ℃ of top roll (3) roller temperatures, 97 ℃ of lower roll (4) roller temperatures, upper and lower rod pressure is 90daN/cm, top and bottom rolls rotating speed is identical; During hot rolling for the second time, as shown in Figure 4, top roll (3) salient point is mushroom stereochemical structure (6), mushroom salient point (6) top cross-sectional area 5m m
2, bottom transverse area of section 3m m
2, be highly 4mm; Lower roll concave point is column structure, cross-sectional area 8m m
2, the degree of depth is 4mm, and the concave point bottom of top roll salient point (6) top and lower roll contacts, and edge does not contact, and contact area is 5mm
2, as shown in Figure 5, form point type and roll point (7), roll an area 3m m
2.110 ℃ of top roll (3) roller temperatures, 105 ℃ of lower roll (4) roller temperatures, upper and lower rod pressure is 85daN/cm, top and bottom rolls rotating speed is identical; As shown in Figure 1, the final soft nonwoven (2) of rolling point (1) with bubble type that forms.
Claims (1)
1. a bubble type flexible nonwoven cloth material and manufacture method thereof, this nonwoven fabric raw material adopts has complete natural circulation type all and the biolytic PLA high polymer of energy, adopt spunbond pair of hot rolling technology, two hot roll top roll is salient point shape, and lower roll is concave point shape.It is characterized in that, the method comprises the following steps:
(1) spun-bond process becomes after net, and during hot rolling for the first time, the salient point of top roll is pyramid type, conical base cross-sectional area 15m m
2, high 3mm, the concave point of lower roll is column type, cross-sectional area 15m m
2, the dark 5mm of cylinder, the concave point bottom of top roll salient point top and lower roll does not contact, and only has the edge of salient point and concave point to contact, and contact area is 5m m
2, form ring type and roll a little, roll an area 4m m
2.100 ℃ of top roll roller temperatures, 97 ℃ of lower roll roller temperatures, upper and lower rod pressure is 90daN/cm, top and bottom rolls rotating speed is identical;
(2), during hot rolling for the second time, top roll salient point is mushroom stereochemical structure, top cross-sectional area 5m m
2, bottom transverse area of section 3m m
2, be highly 4mm; Lower roll concave point is column structure, cross-sectional area 8m m
2, the degree of depth is 4mm, and the concave point bottom of top roll salient point top and lower roll contacts, and edge does not contact, and contact area is 5m m
2, form point type and roll a little, roll an area 3mm
2.110 ℃ of top roll roller temperatures, 105 ℃ of lower roll roller temperatures, upper and lower rod pressure is 85daN/cm, top and bottom rolls rotating speed is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410044061.8A CN103757822B (en) | 2014-01-28 | 2014-01-28 | A kind of bubble type flexible non-woven cloth and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410044061.8A CN103757822B (en) | 2014-01-28 | 2014-01-28 | A kind of bubble type flexible non-woven cloth and its manufacturing method |
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| Publication Number | Publication Date |
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| CN103757822A true CN103757822A (en) | 2014-04-30 |
| CN103757822B CN103757822B (en) | 2018-08-28 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762755A (en) * | 2015-04-09 | 2015-07-08 | 希雅图（上海）新材料科技股份有限公司 | Steeped non-woven cloth and producing technique |
| CN104988660A (en) * | 2015-06-18 | 2015-10-21 | 厦门延江新材料股份有限公司 | Stereo hot air non-woven fabric production method |
| CN107245811A (en) * | 2017-06-16 | 2017-10-13 | 山东康洁非织造布有限公司 | A kind of Spunbonded Nonwovens production technology |
| CN107904786A (en) * | 2017-12-12 | 2018-04-13 | 杭州可靠护理用品股份有限公司 | Concave-convex type hot-wind nonwoven cloth and its application on paper diaper and paper diaper |
| CN108049023A (en) * | 2017-12-12 | 2018-05-18 | 杭州可靠护理用品股份有限公司 | Concave-convex type non-woven fabrics and its application on paper diaper and paper diaper |
| CN112695456A (en) * | 2020-12-18 | 2021-04-23 | 苏州谷原生物科技有限公司 | Polylactic acid nanofiber high resistant separates non-woven fabrics and degradable panty-shape diapers |
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| CN1305361A (en) * | 1998-04-28 | 2001-07-25 | 宝洁公司 | Absorbent articles providing improved fit when wet |
| US20030203691A1 (en) * | 2002-04-30 | 2003-10-30 | Kimberly-Clark Worldwide, Inc. | Nonwoven materials having surface features |
| CN1685099A (en) * | 2002-09-26 | 2005-10-19 | 旭化成纤维株式会社 | Spun-bonded nonwoven fabric and sanitary supplies |
| US20070197117A1 (en) * | 2006-02-21 | 2007-08-23 | Fiberweb Simpsonville Inc. | Extensible absorbent composites |
| EP1873289A1 (en) * | 2006-06-23 | 2008-01-02 | Marco Maranghi | Perforated non-woven fabric and manufacturing method |
| CN102747578A (en) * | 2011-12-31 | 2012-10-24 | 金红叶纸业集团有限公司 | Embossing device and embossing process, composite non-woven fabric absorber, production device and process thereof |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1305361A (en) * | 1998-04-28 | 2001-07-25 | 宝洁公司 | Absorbent articles providing improved fit when wet |
| US20030203691A1 (en) * | 2002-04-30 | 2003-10-30 | Kimberly-Clark Worldwide, Inc. | Nonwoven materials having surface features |
| CN1685099A (en) * | 2002-09-26 | 2005-10-19 | 旭化成纤维株式会社 | Spun-bonded nonwoven fabric and sanitary supplies |
| US20070197117A1 (en) * | 2006-02-21 | 2007-08-23 | Fiberweb Simpsonville Inc. | Extensible absorbent composites |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762755A (en) * | 2015-04-09 | 2015-07-08 | 希雅图（上海）新材料科技股份有限公司 | Steeped non-woven cloth and producing technique |
| CN104988660A (en) * | 2015-06-18 | 2015-10-21 | 厦门延江新材料股份有限公司 | Stereo hot air non-woven fabric production method |
| CN107245811A (en) * | 2017-06-16 | 2017-10-13 | 山东康洁非织造布有限公司 | A kind of Spunbonded Nonwovens production technology |
| CN107245811B (en) * | 2017-06-16 | 2020-10-20 | 山东康洁非织造布有限公司 | Production process of spunbonded nonwoven fabric |
| CN107904786A (en) * | 2017-12-12 | 2018-04-13 | 杭州可靠护理用品股份有限公司 | Concave-convex type hot-wind nonwoven cloth and its application on paper diaper and paper diaper |
| CN108049023A (en) * | 2017-12-12 | 2018-05-18 | 杭州可靠护理用品股份有限公司 | Concave-convex type non-woven fabrics and its application on paper diaper and paper diaper |
| CN112695456A (en) * | 2020-12-18 | 2021-04-23 | 苏州谷原生物科技有限公司 | Polylactic acid nanofiber high resistant separates non-woven fabrics and degradable panty-shape diapers |
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| CN103757822B (en) | 2018-08-28 |
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