CN103966768B - Hot rolling can break up the production technology of non-weaving cloth - Google Patents
Hot rolling can break up the production technology of non-weaving cloth Download PDFInfo
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- CN103966768B CN103966768B CN201310032221.2A CN201310032221A CN103966768B CN 103966768 B CN103966768 B CN 103966768B CN 201310032221 A CN201310032221 A CN 201310032221A CN 103966768 B CN103966768 B CN 103966768B
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Abstract
The present invention discloses a kind of hot rolling can break up the production technology of non-weaving cloth, broadcasts including debatching, Low Temperature Hot Rolling and winding steps, it is characterised in that: select cellulose fibre to carry out the preparation of non-weaving cloth；Described debatching is broadcasted and is used high-precision sensor to carry out tension force control in step, and reeling-off tension controls in the range of 0.1 0.6bar；In described Low Temperature Hot Rolling step, rolling a longitudinal arrangement, the temperature range of roll is 70 100 DEG C, and roll-force scope is 2.5 4.2Mpa；Using high-precision sensor to carry out tension force control in described winding steps, Winding Tension Controlling is in the range of 0.1 0.6bar.It is soft, with low cost that this is that one can be prepared, and have degradable, can break up the production technology of the non-weaving cloth of characteristic.
Description
Technical field
The present invention relates to the production technology of a kind of non-weaving cloth, the production technology of the non-weaving cloth that a kind of hot rolling can be broken up.
Background technology
The quantity such as the solid waste produced in the house refuse of urbanite, TRADE REFUSE, municipal administration maintenance and management at present sharply increase, the most traditional spun-laced nonwoven fabric product just occupies the biggest the ratio, such as the disposable wet tissue that general consumption is maximum, life and industrial wiper and Dispoable medical protective garment etc..Their main component is the chemical fibre based on terylene, in the environment cannot natural degradation or break up after use abandons, not only break up Soil structure and crop from soil, absorbed the approach of moisture and nutritional labeling, and affected agricultural production, bring serious pollution to environment.In order to solve this problem, present market also has one to break up, degradable wet tissue, this wet tissue is the viscose glue with below 17mm or long fluff pulp fibers is produced through water jet process by wet papermaking or air lay again, it is relatively low that the technique of its complexity determines its production capacity, but percent defective is the highest, production cost is higher.For making up above-mentioned deficiency, using the mode of special hot rolling that conventional hydro-entangled non-woven fabric is processed into the environment-friendly products that can break up is the main path solving this problem.But the broken up product of existing spunlace non-woven wiper and toilet paper classification also exists following problem:
First, conventional Hydroentangled product is substantially mixed into raw material with 30-50mm viscose glue, terylene, and as disposable wiper, the process after it is discarded is more difficult, cannot degrade, cause reject product to bring waste pollution to environment in natural environment；
Secondly, the wipe product of health stationery, though having the characteristic can scattered under impact of water effect, but it falls floss and seriously and uses strength the most limited, it strength used under hygrometric state is relatively low, is easily deformed.
Therefore production technology or the production method of a kind of novel non-weaving cloth broken up that can solve the problem that the problems referred to above are needed now.
Summary of the invention
The present invention is to solve the above-mentioned deficiency existing for prior art, proposes one and can prepare soft, with low cost, and has degradable, can break up the production technology of the non-weaving cloth of characteristic.
The technical solution of the present invention is: a kind of hot rolling can break up the production technology of non-weaving cloth, broadcasts including debatching, Low Temperature Hot Rolling and winding steps, it is characterised in that:
Cellulose fibre is selected to carry out the preparation of non-weaving cloth,
Described debatching is broadcasted and is used high-precision sensor to carry out tension force control in step, and reeling-off tension controls in the range of 0.1-0.6bar,
In described Low Temperature Hot Rolling step, rolling a longitudinal arrangement, the temperature range of roll is 70-100 DEG C, and roll-force scope is 2.5-4.2Mpa,
Using high-precision sensor to carry out tension force control in described winding steps, Winding Tension Controlling is in the range of 0.1-0.6bar.
The present invention compared with the existing technology, has the advantage that
The present invention is to be combined with hot rolling technique by spun lacing concretion technology, the spun laced fabric that will the most fully consolidate, hot rolling is carried out by rolling the roll of a longitudinal arrangement, cut off the few fibers consolidated, ensureing that rolling rear spun laced fabric meets the requirement using strength and the requirement that can break up, the hydro-entangled non-woven fabric utilizing this kind of method to prepare has the advantage that simultaneously
First, owing to the fiber used is cellulose fibre (such as tencel, viscose glue, fluff pulp fibers etc.), this fibrid can be degradable, thus the final product obtained has the natural degradation function of 100% equally, does not has any pollution to environment.
Second, owing to non-weaving cloth is after hot rolling, fiber shortens, thus use strength higher, and there is the performance that can break up simultaneously, can be as disposable erasing product, directly abandon in toilet or other municipal water treatment systems after using, can directly break up out under the effect of impact of water, not block pipeline
3rd, use the more fluffy softness of product feel and good water absorption prepared by this production technology.
It can be said that this production technology has possessed multiple advantage, being particularly suitable for popularization and application in the art, its market prospect is the most wide.
Detailed description of the invention
The detailed description of the invention of the present invention is described below.
A kind of hot rolling can break up the production technology of non-weaving cloth, broadcasts including debatching, Low Temperature Hot Rolling and winding steps, and it selects cellulose fibre to carry out the preparation of non-weaving cloth,
Hydroentangled spun laced fabric will be entered, be broadcasted by uncoil-stand；Owing to its tension fluctuation has significantly impact to follow-up hot rolling technology: such as overtension, during hot rolling, product easily stretches out, and causes product to rupture；As tension force is too small, during hot rolling, product is the most pleating；Therefore using high-precision sensor to carry out the control of tension force in step is broadcasted in debatching, reeling-off tension controls in the range of 0.1-0.6bar；
In the middle of two rollers up and down that spun laced fabric after being broadcasted by uncoiling machine is directly entered in hot-rolling mill, upper roller is flower roller, and rolling of colored roller used in the present invention is then some longitudinal arrangement (conventional roll rolls a little for arranged askew), and lower roll is smooth roll.For ensureing that product i.e. has use strength, having again the performance that can break up, hot-rolled temperature to control at 70-100 DEG C, and roll-force controls at 2.5-4.2Mpa；
Product through hot rolling enters lapper, due to after hot rolling processes, the fiber of product shortens, the strength of cloth decreases, thus the tension force of rolling controls to want suitable, avoiding stretching excessive and causing fracture, use high-precision sensor to carry out the control of tension force in this step, its tension range is in the range of 0.1-0.6bar.
Utilize the grammes per square metre scope of product prepared by production technology of the present invention at 30-70 g/m2.It is with the common Hydroentangled product (contrast piece 1) produced with the long viscose rayon of 38mm of traditional employing 100% and as shown in table 1 with the performance comparison of the paper for daily use product (contrast piece 2) that can break up:
Table 1
Remarks: performance can be broken up and meet " directive document of evaluation flushability non-woven cloth products " standard that nonwoven industrial association (INDA) works out with European international nonwoven industrial association (EDANA)；
Conclusion in sum: same 45g/m2Product, the water absorbing properties of the embodiment of the present invention is better than other two kinds of products；The common Hydroentangled product (contrast piece 1) that wet strength (using strength) is produced with the long viscose rayon of 38mm of tradition 100% differs less, but is better than the paper for daily use product (contrast piece 2) that can break up；And there is the performance that can break up.
Claims (1)
1. hot rolling can break up a production technology for non-weaving cloth, broadcasts including debatching, Low Temperature Hot Rolling and winding steps, it is characterised in that:
Cellulose fibre is selected to carry out the preparation of non-weaving cloth,
Described debatching is broadcasted and is used high-precision sensor to carry out tension force control in step, and reeling-off tension controls in the range of 0.1-0.6bar,
In described Low Temperature Hot Rolling step, rolling a longitudinal arrangement, the temperature range of roll is 70-100 DEG C, and roll-force scope is 2.5-4.2Mpa,
Using high-precision sensor to carry out tension force control in described winding steps, Winding Tension Controlling is in the range of 0.1-0.6bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032221.2A CN103966768B (en) | 2013-01-29 | 2013-01-29 | Hot rolling can break up the production technology of non-weaving cloth |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310032221.2A CN103966768B (en) | 2013-01-29 | 2013-01-29 | Hot rolling can break up the production technology of non-weaving cloth |
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| CN103966768A CN103966768A (en) | 2014-08-06 |
| CN103966768B true CN103966768B (en) | 2016-08-03 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006037111A1 (en) * | 2006-08-07 | 2008-02-14 | Andritz Küsters GmbH & Co. KG | Process to manufacture cleaning cloth with two layers of non-woven fibers sandwiching inner layer joined by enhanced temperature and pressure |
| CN101525811B (en) * | 2009-04-14 | 2012-05-02 | 李铁辉 | Soluble non-woven fabrics at low temperature of 40 DEG C and manufacture method thereof |
| US20110020618A1 (en) * | 2009-07-23 | 2011-01-27 | Jonathan Paul Brennan | Nowoven webs with visible compressed sites |
| CN101831760B (en) * | 2010-05-27 | 2011-07-06 | 浙江弘扬无纺新材料有限公司 | Production method of meta-position aramid nonwoven material for electric insulation |
| CN201826122U (en) * | 2010-10-20 | 2011-05-11 | 苏州美森无纺科技有限公司 | Dispersible and degradable wood-pulp composite nonwoven fabric |
| CN102267256B (en) * | 2011-06-16 | 2013-12-11 | 大连瑞源非织造布有限公司 | Dispersible spunlaced nonwoven material and production method thereof |
| EP2540892B1 (en) * | 2011-07-01 | 2014-04-16 | Suominen Corporation | Water dispersible nonwoven fabric material |
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