CN102934963A - Preparation method of environment-friendly degradable wet tissue material - Google Patents
Preparation method of environment-friendly degradable wet tissue material Download PDFInfo
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- CN102934963A CN102934963A CN2012104456531A CN201210445653A CN102934963A CN 102934963 A CN102934963 A CN 102934963A CN 2012104456531 A CN2012104456531 A CN 2012104456531A CN 201210445653 A CN201210445653 A CN 201210445653A CN 102934963 A CN102934963 A CN 102934963A
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Abstract
The invention discloses a preparation method of an environment-friendly degradable wet tissue material. The method includes: step one, preparing a polypropylene spunbonded non-woven fabric coiled material by using a spunbonding method; and subjecting the polypropylene spunbonded non-woven fabric coiled material obtained in the step one to humidification, drying, punching or embossing to obtain the environment-friendly degradable wet tissue material. The polypropylene spunbonded non-woven fabric obtained through the method has the advantages of being high in water absorption, free of fuzzing, soft and fluffy, good in frication handle, capable of replacing spunlace non-woven fabric for preparation of environment-friendly degradable wet tissues and the like. The environment-friendly degradable wet tissue material is provided with a water absorption larger than 500-700% and the ventilation rate larger than 900mm/s which far surpass the water absorption of 300-600% and the ventilation rate of about 700mm/s of the existing spunlace non-woven fabric.
Description
Technical field
The present invention relates to a kind of material that can be used for hygenic towelette, particularly, the present invention relates to a kind of environment-friendly degradable hygenic towelette material preparation method.
Background technology
Hygenic towelette is exactly a kind of a kind of paper handkerchief for wiping face wiping hand or skin of being made by pure water, nonwoven and propane diols.Nonwoven is generally spunlace non-woven cloth in the existing hygenic towelette, is made by polyster fibre (PET) and viscose fiber blending.
The terylene spunlace non-woven cloth, power consumption height during production, particularly power consumption (coal) water consumption is huge.Common terylene spunlace non-woven cloth low price, but not environmental protection.The terylene spunlace non-woven cloth of environmental protection is on the high side, is not suitable for extensive use.
Viscose rayon belongs to regenerated celulose fibre, and it is take native cellulose as raw material, makes the soluble cellulose xanthate acid through operations such as alkalization, aging, yellows, is dissolved in sig water to make viscose glue again, makes through wet spinning.Traditional cellulose viscose manufacturing technique is the acid-base neutralization method, in preparation fiber process, uses in a large number NaOH and H
2SO
4Generate a large amount of carbon disulfide and hydrogen sulfide gas.Carbon disulfide gas directly sucks harm very large, and system especially excites nerve.Can smell an offensive odor near the existing viscose rayon factory, can produce a large amount of acid, alkali waste water in the production process of viscose rayon, its direct discharging will cause serious water pollution and the loss waste of a large amount of fibre resources.
The water acupuncture manipulation claims again spun laced process, is a kind of important nonwoven fabric processing technology, because the Particular craft technology of water acupuncture manipulation, its extensive use and medical sanitary product and synthetic leather base cloth, shirt, home decoration field.Its fibrous raw material wide material sources can be terylene, polyamide fibre, polypropylene fibre, viscose rayon etc.At present the main application of spun laced fabric is three major types, and namely medical, people removes from office with and wipe clean usefulness, its sales orientation: people's leather mainly is sold inside the country with spun laced fabric, and medical spun laced fabric mainly is the export trade outlet, wipe clean then export and be sold inside the country with spun laced fabric respectively account for a part.Spunlace non-woven cloth is soft, fluffy, high-hygroscopicity, certain oil suction effect is arranged.But the lines of spunlace non-woven cloth is inhomogeneous, and the energy consumption of the preparation of spunlace non-woven cloth is high, not environmental protection.
Spun-bonded non-woven fabrics: with polymer-extruded, stretch, form continuous filament yarn after, long filament is laid to net, fibre web passes through that self is bonding again, heat bonding, chemical adhesion or mechanical consolidation method, makes fibre web become nonwoven.Spun-bonded non-woven fabrics has that high strength, resistance to elevated temperatures are excellent, ageing-resistant, uvioresistant, percentage elongation are high, stability and good permeability, corrosion-resistant, sound insulation, the advantage such as mothproof, nontoxic.
CN10600928A discloses a kind of non-woven fabrics of chitin, and it is mixed by the water-soluble chitosan fiber of 10 ~ 100 weight portions and the base fiber of 0 ~ 90 weight portion, and its preparation method mainly may further comprise the steps: opener, give cotton, stream is cotton, lapping, acupuncture, rolling, and packing.The non-woven fabrics of chitin of this invention is used for facial mask, sanitary napkin, protection pad, wet tissue or disposable paper urine pants.
Summary of the invention
One of purpose of the present invention is to provide a kind of environment-friendly degradable hygenic towelette material preparation method, and described method power consumption is few, and simple to operate, cost is low.The nonwoven for preparing by the method has high-hydroscopicity, softness and the advantage such as phozy, is suitable for very much the hygenic towelette material.
In order to achieve the above object, the present invention has adopted following technical scheme:
Described environment-friendly degradable hygenic towelette material preparation method comprises the steps:
(1) adopt spun-bond process to prepare the polypropylene spunbond non-woven fabric coiled material;
(2) the polypropylene spunbond non-woven fabric coiled material that step (1) is obtained carries out humidification drying, punching or embossing, obtains the material of environment-friendly degradable hygenic towelette.
The present invention adopts spun-bond process to prepare the spunbond polypropylene nonwoven.Compare more environmental protection of polypropylene fiber (PP) with viscose rayon with the PET fiber.Polypropylene fibre density is 0.91g/cm
3, the PET fibre density is 1.33g/cm
3, differ about 40%, so the material that the harmless cloth of unit are polypropylene fibre uses is still less, cost obviously reduces.
It is short that spun-bond process prepares the technological process of nonwoven, the output height, and energy consumption is low, and the intensity of the nonwoven for preparing is large, and elongation at break is high, and mechanical performance is excellent, and wide application.
After step (1) obtains the polypropylene spunbond non-woven fabric coiled material, then it is carried out the humidification drying.The equipment that the polypropylene spunbond non-woven fabric coiled material can be carried out the humidification drying that those skilled in the art can be known all can be realized the present invention, the typical but non-limiting drying plant of the present invention such as vacuum drum drying equipment, revolving drum drying equipment, boiling type drying equipment, association type drying equipment etc.
The main purpose of drying is to remove moisture, and in follow-up punching or embossed technology, water is at high temperature vaporized, and easily causes spinning broken end or lousiness.Described drying temperature can be removed moisture and is got final product, such as selecting 90 ℃, 100 ℃, 110 ℃, 120 ℃, 130 ℃ etc.
Spun-bond process prepares in the polypropylene spunbond non-woven fabric coiled material process, after lapping, need to reinforce fibre web.The present invention selects hot-rolling method to carry out the hot rolling reinforcing.Hot rolling is reinforced and namely fibre web to be heated pressurization, causes part fibers melt in the fibre web and produces bonding and become non-weaving cloth.By punching or embossed technology, in the effect of pressure, the non-woven fabric coiled material surface forms the decorative pattern with certain lines, can cover the original defective of coiled material surface, and can improve outward appearance and beautify raising use value.Good flexibility, gas permeability and elasticity are arranged, and have good heat sealability, can be degradable under the natural environment.In the hot rolling reinforcing process, do not use any chemical reagent, produce without the three wastes, noiselessness need not to evaporate the water of adhesive, and speed of production is high, and energy consumption is low.
The equipment that the polypropylene spunbond non-woven fabric coiled material can be carried out the i.e. punching of hot rolling reinforcing or embossing that those skilled in the art can be known all can be realized the present invention, and the typical but non-limiting equipment of the present invention is hot-rolling mill for example, and flower roller and smooth roll are used.Punching of the present invention or embossed technology are as shown in Figure 2.Described punching or embossed technology are: with the nonwoven that spinning obtains broadcast respectively, behind the humidification, oven dry, punch or embossing, then rolling, cut.
Spun-bonded non-woven fabrics is slightly poorer than spunlace non-woven cloth aspect friction feel, the present invention carries out humidification drying, punching or embossed technology by the non-woven fabric coiled material that step (1) is obtained, nonwoven is processed into wire side shape characteristic, so that the polypropylene spunbond nonwoven has a high-hydroscopicity, phozy, soft fluffy, friction feel is good etc., can be used for the material of hygenic towelette.
Preferably, a rate of rolling of the colored roller of described hot-rolling mill is 6 ~ 20%, for example 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, and preferred 7 ~ 18%, further preferred 8 ~ 15%.It is too high to roll a rate, has reduced water imbibition and the gas permeability of nonwoven, and it is too low to roll a rate, and nonwoven fluffs easily.The present invention is 6 ~ 20% colored roller by selecting a rate of rolling, and resulting polypropylene spunbond nonwoven is guaranteeing to have very excellent water imbibition and gas permeability under amazing mao the prerequisite.The water absorption rate of described nonwoven is greater than 500-700%, and ventilative speed is greater than 900mm/s, is 300 ~ 600% considerably beyond the water absorption rate of existing spunlace non-woven cloth, and ventilative speed is about 700mm/s.A described rate of rolling is for spending the area that rolls on the roller a little to account for the percentage of the area of whole colored roller.
Preferably, the grammes per square metre of the polypropylene spunbond non-woven fabric coiled material that step (1) obtains is 20 ~ 80gsm, for example 25gsm, 30gsm, 35gsm, 40gsm, 45gsm, 50gsm, 55gsm, 60gsm, 65gsm, 70gsm, 75gsm, 78gsm, 79gsm, preferred 25 ~ 75gsm, further preferred 30 ~ 70gsm.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention has overcome the not environmental protection in terylene and the viscose rayon preparation process by selecting polypropylene fiber as raw material, and power consumption (coal), water consumption are huge, the shortcoming that energy consumption is excessive;
(2) to adopt spun-bond process to prepare the technological process of nonwoven short in the present invention, and output is high, and energy consumption is low, and the intensity of the nonwoven for preparing is large, and elongation at break is high, and mechanical performance is excellent, can 100% degradable, and wide application;
(3) the polypropylene spunbond nonwoven for preparing by the method for the invention has the advantages such as high-hydroscopicity, phozy, soft fluffy, friction feel be good, and alternative spunlace non-woven cloth prepares the hygenic towelette of environment-friendly degradable;
The water absorption rate of the environment-friendly degradable hygenic towelette material that (4) obtains by the method for the invention is greater than 500-700%, and ventilative speed is greater than 900mm/s, is 300 ~ 600% considerably beyond the water absorption rate of existing spunlace non-woven cloth, and ventilative speed is about 700mm/s.
Description of drawings
Further specify technical scheme of the present invention below in conjunction with accompanying drawing and by the specific embodiment.
Fig. 1: the process chart of spun-bond process of the present invention.
Fig. 2: punching of the present invention or embossed technology flow chart.
The specific embodiment
For the present invention is described better, be convenient to understand technical scheme of the present invention, typical but non-limiting embodiment of the present invention is as follows:
Embodiment 1
A kind of environment-friendly degradable hygenic towelette material preparation method, described method comprises the steps:
(1) adopt spun-bond process to prepare the polypropylene spunbond non-woven fabric coiled material that grammes per square metre is 20gsm;
(2) the polypropylene spunbond non-woven fabric coiled material that step (1) is obtained carries out the humidification drying, adopts hot-rolling mill to carry out hot rolling and reinforces, and a rate of rolling of the colored roller of hot-rolling mill is 6%, obtains the material of environment-friendly degradable hygenic towelette after punching or the embossing.
Embodiment 2
A kind of environment-friendly degradable hygenic towelette material preparation method, described method comprises the steps:
(1) adopt spun-bond process to prepare the polypropylene spunbond non-woven fabric coiled material that grammes per square metre is 80gsm;
(2) the polypropylene spunbond non-woven fabric coiled material that step (1) is obtained carries out the humidification drying, adopts hot-rolling mill to carry out hot rolling and reinforces, and a rate of rolling of the colored roller of hot-rolling mill is 20%, obtains the material of environment-friendly degradable hygenic towelette after punching or the embossing.
Embodiment 3
A kind of environment-friendly degradable hygenic towelette material preparation method, described method comprises the steps:
(1) adopt spun-bond process to prepare the polypropylene spunbond non-woven fabric coiled material that grammes per square metre is 50gsm;
(2) the polypropylene spunbond non-woven fabric coiled material that step (1) is obtained carries out drying, in preparation process, adopts hot-rolling mill to carry out hot rolling and reinforces, and a rate of rolling of the colored roller of hot-rolling mill is 14%, obtains the material of environment-friendly degradable hygenic towelette after punching or the embossing.
Applicant's statement, the present invention illustrates method detailed of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned method detailed, does not mean that namely the present invention must rely on above-mentioned method detailed and could implement.The person of ordinary skill in the field should understand, any improvement in the present invention to the interpolation of the equivalence replacement of each raw material of product of the present invention and auxiliary element, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.
Claims (9)
1. an environment-friendly degradable hygenic towelette material preparation method is characterized in that described method comprises the steps:
(1) adopt spun-bond process to prepare the polypropylene spunbond non-woven fabric coiled material;
(2) the polypropylene spunbond non-woven fabric coiled material that step (1) is obtained carries out humidification drying, punching or embossing, obtains the material of environment-friendly degradable hygenic towelette.
2. the method for claim 1 is characterized in that, adopts hot-rolling method to carry out hot rolling and reinforces.
3. method as claimed in claim 2 is characterized in that, adopts hot-rolling mill to carry out hot rolling and reinforces.
4. method as claimed in claim 3 is characterized in that, a rate of rolling of the colored roller of described hot-rolling mill is 6 ~ 20%.
5. such as claim 3 or 4 described methods, it is characterized in that a rate of rolling of the colored roller of described hot-rolling mill is 7 ~ 18%.
6. method as claimed in claim 5 is characterized in that, a rate of rolling of the colored roller of described hot-rolling mill is 8 ~ 15%.
7. such as the described method of one of claim 1-6, it is characterized in that the grammes per square metre of the polypropylene spunbond non-woven fabric coiled material that step (1) obtains is 20 ~ 80gsm.
8. such as the described method of one of claim 1-7, it is characterized in that the grammes per square metre of the polypropylene spunbond non-woven fabric coiled material that step (1) obtains is 25 ~ 75gsm.
9. such as the described method of one of claim 1-8, it is characterized in that the grammes per square metre of the polypropylene spunbond non-woven fabric coiled material that step (1) obtains is 30 ~ 70gsm.
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| CN201210445653.1A CN102934963B (en) | 2012-11-09 | 2012-11-09 | The preparation method of a kind of environment-friendlydegradable degradable wet tissue material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603139A (en) * | 2013-12-12 | 2014-02-26 | 潍坊志和无纺布有限公司 | Heat bonding non-woven fabric and preparation method thereof |
| CN105239274A (en) * | 2015-11-12 | 2016-01-13 | 浙江金三发非织造布有限公司 | Two-sided hydrophilic punched non-woven fabric special for sanitary consumables and production method thereof |
| CN108251994A (en) * | 2017-11-06 | 2018-07-06 | 陈仲璜 | The softening method of spunlace non-woven cloth and products thereof |
| CN108914392A (en) * | 2018-07-24 | 2018-11-30 | 浙江金三发非织造布有限公司 | A kind of production technology of on-line continuous composite non-weaving cloth |
| CN108978036A (en) * | 2018-07-24 | 2018-12-11 | 浙江金三发非织造布有限公司 | A kind of production technology of on-line continuous composite hydrophilic non-woven cloth |
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| CN101092067A (en) * | 2006-06-22 | 2007-12-26 | 江西国桥实业有限公司 | An environmental protective wet towel and preparation method |
| CN102673030A (en) * | 2012-05-17 | 2012-09-19 | 厦门延江工贸有限公司 | Perforated non-woven fabric |
| CN102758311A (en) * | 2011-04-28 | 2012-10-31 | 捷恩智株式会社 | Rugged elastic nonwoven fabric and method for manufacturing the same |
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2012
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092067A (en) * | 2006-06-22 | 2007-12-26 | 江西国桥实业有限公司 | An environmental protective wet towel and preparation method |
| CN102758311A (en) * | 2011-04-28 | 2012-10-31 | 捷恩智株式会社 | Rugged elastic nonwoven fabric and method for manufacturing the same |
| CN102673030A (en) * | 2012-05-17 | 2012-09-19 | 厦门延江工贸有限公司 | Perforated non-woven fabric |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603139A (en) * | 2013-12-12 | 2014-02-26 | 潍坊志和无纺布有限公司 | Heat bonding non-woven fabric and preparation method thereof |
| CN103603139B (en) * | 2013-12-12 | 2015-11-11 | 潍坊志和无纺布有限公司 | Heat bonding nonwoven fabric and preparation method thereof |
| CN105239274A (en) * | 2015-11-12 | 2016-01-13 | 浙江金三发非织造布有限公司 | Two-sided hydrophilic punched non-woven fabric special for sanitary consumables and production method thereof |
| CN108251994A (en) * | 2017-11-06 | 2018-07-06 | 陈仲璜 | The softening method of spunlace non-woven cloth and products thereof |
| CN108914392A (en) * | 2018-07-24 | 2018-11-30 | 浙江金三发非织造布有限公司 | A kind of production technology of on-line continuous composite non-weaving cloth |
| CN108978036A (en) * | 2018-07-24 | 2018-12-11 | 浙江金三发非织造布有限公司 | A kind of production technology of on-line continuous composite hydrophilic non-woven cloth |
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| CN102934963B (en) | 2016-06-01 |
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