CN104313795B - A kind of medical and health use natural cotton fiber hydro-entangled non-woven fabric and its production method - Google Patents
A kind of medical and health use natural cotton fiber hydro-entangled non-woven fabric and its production method Download PDFInfo
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Abstract
The present invention relates to a kind of medical and health use natural cotton fiber hydro-entangled non-woven fabric and its production method, methods described is carried out in the steps below：Fiber pre-treatment → pre- cotton carding → fine mixing → fine cotton carding → networking and drawing-off → Hydroentangled and mangle → cold pad--batch → one-step method take off drift → hydro-entangled master → stentering forming drying → cutting, packaging and storage.The medical and health use natural cotton fiber hydro-entangled non-woven fabric, its unit area grammes per square metre deviation is no more than ± 7%；Whiteness >=85；Absorbent time≤5s；PH value 68；DDGS≤0.5% in water；DDGS≤0.5% in ether；The mm of surface-active substance≤2.The medical and health use natural cotton fiber hydro-entangled non-woven fabric that the present invention is provided have soft, moisture absorption it is ventilative, to no skin irritation, after can natural degradation, comply fully with the requirement of environmental protection.It can be widely used for the fields such as medical treatment, health, beauty, daily life, industry cleaning and toilet.
Description
Technical field
The present invention relates to a kind of medical and health use natural cotton fiber hydro-entangled non-woven fabric and its production method, belong to industry use
Textile non-woven material technical field.
Background technology
Like product production technology refers to the production method of all cotton non-woven fabric medical dressing of patent 200510033147.1.
The production method has that pre-treatment is simple, product impurity is higher, and long flow path of scouringing and bleaching, energy consumption are higher, low production efficiency, boil and are produced after drift
Product cloth cover has the concavo-convex uneven caused strength of fluffing, soft, end face to decline, the more low phenomenon of row yielding, so as to have impact on product
Quality and the final use for limiting product.The present invention is by increasing preparing, cold pad--batch, hydro-entangled master, stentering forming drying etc.
Process preferably solves above mentioned problem, the quality of medical and health use natural cotton fiber hydro-entangled non-woven fabric is got a promotion, into
This reduction, can with it is more, be preferably applied for the various aspects such as personal hygiene products, cosmetics, medical product.
The content of the invention
In view of this, it is an object of the invention to provide a kind of medical and health use natural cotton fiber hydro-entangled non-woven fabric and its
Production method.
To reach above-mentioned purpose, the invention provides a kind of production of medical and health use natural cotton fiber hydro-entangled non-woven fabric
Method, methods described is carried out in the steps below：Fiber pre-treatment → pre- cotton carding → fine mixing → fine cotton carding → networking and lead
Stretch → Hydroentangled and mangle → cold pad--batch → one-step method takes off drift → hydro-entangled master → stentering forming drying → cutting, packs and enter
Storehouse；Specially：
A), fiber pre-treatment：According to product final mass require, by different sources, grade commodity cotton in special equipment
Preliminary mixing, shredding and removal of impurities are carried out in combination；
B), pre- cotton carding：Will pass through step A) processing cotton fiber preliminary combing is carried out in special carding machine, while going
Except the impurity of more than 0.5mm particle diameters；
C), fine mixing：Further mixed cotton is carried out to the cotton fiber Jing Guo preparing；
D), fine cotton carding：To passing through step C) cotton fiber of processing finely combed, becomes single fiber state,
And remove the impurity and output 5-25g/m of below 0.5mm particle diameters2The web of grammes per square metre；
E), networking and drawing-off：By step D) cotton fiber net of fine carding step output carries out intersection laying, forms 100-
250g/m2The web of mass area ratio, then according still further to the mass area ratio requirement of final products, carries out fine drawing-off
And output fiber net；
F), Hydroentangled and mangle：The web exported from drafting machine is carried out Hydroentangled, being formed has strength scope
For 10-150N/5cm cotton fiber spunlace non-woven base fabric, at the same by concentration for 55-120g/L one-step method De-bleaching liquor squeeze into
In base fabric, it is 150-300% to make its band liquid measure；
G), cold pad--batch：By step F) gained the one-step method De-bleaching liquor containing 150-300wt% cotton fiber spunlace non-woven
Yardage roll, which is placed on the special equipment of 1-5r/min rotating speeds rotation, carries out normal temperature stacking；
H), the de- drift of one-step method：Cotton fiber hydro-entangled non-woven fabric volume after cold dome is handled is subjected to high temperature scouring, quickly
Remove cotton wax, the pectin substance on cotton fiber；
I), hydro-entangled master：Cotton fiber hydro-entangled non-woven fabric by de- drift carries out cloth cover modification on jacquard weave spun lacing device
Or jacquard weave processing, form cloth cover and compact various jacquard products bright and clean, compared with high-tenacity or unique style；
J), stentering forming drying：By step I) the cotton fiber hydro-entangled non-woven fabric after jacquard weave carries out on framing shaping machine
Drying, and antibacterial, dyeing arrangement are carried out when needed, then it is wound into big volume；
K), cut, pack and be put in storage：Visitor will be cut into the medical and health use natural cotton fiber hydro-entangled non-woven fabric rolled up greatly
Width that family is required, length and rouleau is wound into, then packs, be put in storage and wait to dispatch from the factory.
Further, wherein step A) described in removal of impurities be：With a series of machinery-electrically energized machines by different sources, product
The commodity cotton of level carries out preliminary mixing, shredding and removal of impurities, and emphasis is by the dust in raw cotton, clod, iron wire, metal fillings, different
The larger impurity such as color silk, cotton stalk and cotton leaf are removed, to ensure the quality of final product.
Further, wherein step B) described in pre- cotton carding be：It is defeated by air-flow through the cotton fiber after the completion of fiber pre-treatment
It is sent to pre- carding machine and carries out pre-comb, is combed using the strength of carding machine and impurity removal function is further combed to raw cotton fiber
Solve and to the removal compared with small impurities.
Further, wherein step C) described finely it is mixed into：Cotton fiber by pre- cotton carding has become preferable single fiber
Dimension state, can sufficiently be mixed in special fiber mixing arrangement, to ensure the homogeneity, stably of properties of product
Property.
Further, wherein step D) institute's fine cotton carding is：The cotton fiber handled by preceding processes is entered to advance
The fine combing of one step, become single fiber state, and remove tiny impurity and export the web of certain grammes per square metre.
Further, wherein step E) networking and drawing-off be：The cotton fiber net that fine carding step is exported passes through
Cross lapping device carries out intersection laying, forms the web of thicker or larger mass area ratio, then according still further to final production
The mass area ratio requirement of product, carries out fine drawing-off with drafting machine and exports acceptable fiber net.
Further, wherein step F) the Hydroentangled and mangle is：The web exported from drafting machine is carried out high
Press hydraulic jet to tangle, the spunlace non-woven base fabric with preferable strength is formed, while one-step method De-bleaching liquor is squeezed into base fabric
In；
Further, wherein step G) cold pad--batch is：Jet entanglement, the formation to web are completed in spun lacing device
Padded at once after hydro-entangled non-woven fabric by 4.0-10.0g/L refining agents, 1.0-5.0g/L dispersants, 4.0-10.0g/L stabilizers,
4.0-10.0g/L sodium metasilicate, 40-80g/L caustic soda and 60-100mL/L hydrogen peroxide composition De-bleaching liquor, then room temperature stack 16-
Short time high temperature is carried out again within 24 hours to scouring and bleaching and clean, can shorten the kiering time of original process 2/3, save the energy.
Further, wherein step H) one-step method take off drift be：The yardage roll feeding handled by cold pad--batch is scouringed and bleaching and set
It is standby to carry out thermophilic digestion, its cotton fiber is taken off 3-8% cotton wax and pectin, whiteness and reach more than 85；Wherein, high temperature is scouringed and bleaching
100-120 DEG C of temperature, time are 0.5-1.5 hours, to meet requirement of the product to impurity, whiteness and water absorbing properties.
Further, wherein step H) the de- drift of the one-step method De-bleaching liquor by 0.5-2.0g/L refining agents, 0.5-2.0g/
L dispersants, 1.0-3.0g/L stabilizers, 3.0-7.0g/L caustic soda and 10-40mL/L hydrogen peroxide composition.
Further, wherein step I) hydro-entangled master is：Coiled material after the completion of de- drift is unwound on jacquard attachment
On the roller for being carved with special decorative pattern, it is impacted with spun lacing jet, on the one hand formed on original plain weave cloth cover and rolling
The corresponding decorative pattern of cylinder decorative pattern, has on the other hand repaired cloth cover, has so been increased by the strength and designs and varieties of product.
Further, wherein step J) the stentering forming drying is：Framing shaping machine is used to be dried (while can be with
Correct the irregular situation of yardage roll end face after de- drift), the regain of product is 5-8% after drying, and increases by 3% or so system
Into rate；And antibacterial, dyeing arrangement (to increase varieties and designs, strengthening the market competitiveness of product) are carried out when needed, then
Big volume is wound into, so that rear process is processed.
Further, wherein step K) cutting, packaging and storage be：By the medical treatment rolled up greatly in certain clean environment
Health is unwind with natural cotton fiber hydro-entangled non-woven fabric through cutting machine, artificial and instrument testing, cut into customer requirement width,
Length is simultaneously wound into rouleau, then with plastic bag sealing, woven bag outer packing, indicates, is put in storage and waits to dispatch from the factory.
The present invention further provides the medical and health use natural cotton fiber hydro-entangled non-woven fabric of above method production, the doctor
Health natural cotton fiber hydro-entangled non-woven fabric is treated, its unit area grammes per square metre deviation is ± 7%；Whiteness >=85；Absorbent time≤
6s；PH value 6-8；DDGS≤0.5% in water；DDGS≤0.5% in ether；The mm of surface-active substance≤2.
The present invention relative to prior art have the advantage that for：
1st, pre- carding step is added, the removal efficiency to raw cotton fiber fine impurities is substantially increased, so as to improve most
The qualification rate of finished product；
2nd, cold pad--batch process is added, De-bleaching liquor is padded when spun lacing is into cloth, then room temperature is entered again after stacking 16-24 hours
The de- drift of row high temperature, can shorten the kiering time of conventional technique 2/3, improve production efficiency, the saving energy and reduce and be produced into
This；
3rd, hydro-entangled master process is added, cloth cover fluffing has both been solved after thermophilic digestion and degreasing decrement, soft and strong
The problem of power declines, produces the various jacquard products being received by the market again；
4th, shaped and dried using tentering, can both solve that yardage roll end face after de- drift is concavo-convex uneven to cause to cut rim charge asking excessively
Topic, can at least improve 3% row yielding.Antibacterial, dyeing etc. can be carried out to product again simultaneously to arrange, the kind of product is added
Class；
The medical and health use natural cotton fiber hydro-entangled non-woven fabric that the present invention is provided has soft, moisture absorption ventilative, right
No skin irritation, after can natural degradation, comply fully with environmental protection requirement.Can be widely used for medical treatment, it is health, beauty, daily
The fields such as life, industry cleaning and toilet.
Embodiment
In order to which technical characteristic, purpose and beneficial effect to the present invention are more clearly understood from, now to the skill of the present invention
Art scheme carry out it is described further below, but it is not intended that to the present invention can practical range restriction.
With reference to embodiment, the invention will be further described.
Embodiment 1
1) 2128B raw cotton is selected, i.e., white 2 grades of cotton, length are 28 millimeters, the raw cotton of B grades of main body mic value level makees raw material.
2) handled before fiber and shredding, removal of impurities are carried out in flow.It is specific to pass through the reciprocal griping cotton machine → AMP3000 of JWF1012
Three-in-one visit of metal Mars weight debris removes device → TF50 heavy object separators → JWF1102 Single axial waste silk openers → FA028C-160
(10) main device such as multi-mixer → JWF1124-160 openers → isomerism fabric sorting machine, makes the ash in its cotton fiber
The larger impurity such as dirt, clod, iron wire, metal fillings, heterochromatic silk, cotton stalk and cotton leaf obtain 80% removal.Fiber treatment amount：750kg/
h。
3) cotton fiber Jing Guo pre-treatment is transported to ZW1208 types carding machine by air-flow and carries out preliminary combing, simultaneously
Remove the impurity of more than 0.5mm particle diameters.Then the big storehouse cotton blender machines of W1092A-200 are transported to again carries out fine mixing.
Carding machine output speed 100m/min, web grammes per square metre 15g/m2。
4) cotton fiber that will be stored in the big storehouse cotton blender machines of W1092A-200 is conveyed by air-flow, through ZBG045-120 openers
Finely combed to the other two ZW1208 types carding machines connected, become single fiber state, and remove below 0.5mm
Two layers of cotton fiber net of impurity and output of particle diameter.
Carding machine output speed 90m/min, web grammes per square metre 25g/m2。
5) two layers of cotton fiber net from the output of fine carding machine is by W1254-300 cross lapping machines progress intersection laying, shape
Into 150g/m2Web, be then conveyed into the drawing-off that W1167B-300 (HW) multi-roll drafting machine carries out small multiplying power step by step, and will
50g/m2Cotton fiber net be transported to spun lacing apparatus system.
Cross lapping machine enters net spee 90m/min, goes out net spee 15m/min；
Drafting machine drafting multiple 3.0.
6) W1573M-250 (HXL1) type spun-laced machines carry out spun lacing processing to the cotton fiber net of input, it is Hydroentangled after fibre
Net turns into the cotton fiber hydro-entangled non-woven fabric with certain strength.Then De-bleaching liquor is carried out to it with MH591A-250 padding machines to roll
Liquid, makes it uniformly contain liquid, then be wound into a roll by the wet up- coiler of ZW2838-250 types.
Spun-laced machine spun lacing pressure：10、30、60、75、90bar.
De-bleaching liquor by Hostapal UH.CN liq refining agents (Clariant chemical industry (China) Co., Ltd) 6.0g/L,
Sirrix ANTOX.CN liq chelated dispersants (Clariant chemical industry (China) Co., Ltd) 3.0g/L, Stabilizer
FCB.CN liq c hydrogen peroxide stabilizers (Clariant chemical industry (China) Co., Ltd) 6.0g/L, Sodium silicate (40 ° of B
é) sodium metasilicate 6.0g/L, NaOH solid caustic soda 60g/L and hydrogen peroxide (percentage by weight 30%) 80mL/L compositions.
Liquid carrying rate 200wt% after padding or so.
7) on the yardage roll environmental sealing, storage and the A type cars that pad De-bleaching liquor and it will be made slowly to be revolved with 2r/min rotating speed
Turn, to ensure that the band liquid measure of each part is uniform all the time.Room temperature is deposited 20 hours.
8) carry out short time high temperature in the yardage roll feeding CBS-1860HG type degreasing clay kettles after cold-rolling treatment is got well to scouring and bleaching, make
Its cotton fiber is fully taken off the materials such as cotton wax, pectin and brightened.
De-bleaching liquor is by Hostapal UH.CN liq refining agent 1.0g/L, Sirrix ANTOX.CN liq chelated dispersants
1.0g/L, Stabilizer FCB.CN liq c hydrogen peroxide stabilizer 1.5g/L, NaOH solid caustic soda 5.0g/L and hydrogen peroxide
(percentage by weight 30%) 15mL/L is constituted.
High temperature is scouringed and bleaching 110 DEG C of temperature, about 45 minutes time.
9) the cotton fiber non-woven cloth of degreasing, bleaching is carried on W1573M-250 (HXL2) hydro-entangled master machine
Flower shaping is surface-treated.
Spun lacing pressure：30、60、80、100bar.
10) it is the hygrometric state cotton fiber hydro-entangled non-woven fabric after jacquard weave or surface treatment is enterprising in M5469 type framing shaping machines
Row drying, and it is neat it is wound into the end face of yardage roll.
Drying temperature：150℃、180℃.
11) the medical and health use natural cotton fiber hydro-entangled non-woven fabric rolled up greatly is passed through in 300,000 grades of clean environments
ZBG401B cutting machines are unwind, artificial visual test, are cut into the width of customer requirement, length and are wound into rouleau, then with modeling
Pocket sealing, woven bag outer packing, make mark, are put in storage and wait to dispatch from the factory.
Embodiment 2
1st, from 3129B raw cotton, i.e., white 3 grades of cotton, length are 28 millimeters, the raw cotton of B grades of main body mic value level makees raw material.
2nd, other steps are identical with example 1.
Embodiment 3
1st, from 2127B raw cotton, i.e., white 2 grades of cotton, length are 27 millimeters, the raw cotton of B grades of main body mic value level makees raw material.
2nd, other steps are same as Example 1.
Embodiment 4
The production method of the present invention and the measuring and calculating situation of known method are as shown in table 1 below and table 2.
Table 1：The production method of the present invention and the Cost comparisons that scouring and bleaching of known method（Unit：Yuan/ton product）
| Chemicals | Consume coal | Power consumption | Water consumption | It is total | |
| The production method of the present invention | 768 | 206 | 254 | 119 | 1347 |
| Known method | 762 | 454 | 391 | 137 | 1744 |
| Saving situation | -22.76% |
Table 2：The production method of the present invention and the production efficiency of known method are contrasted（Unit：Secondary/hour）
| The production method of the present invention | Known method | Saving situation | |
| Go out cloth speed | 2.65 | 6.7 | +153% |
As can be seen that either scouring and bleaching cost or production efficiency, production method of the invention are excellent from table 1 and table 2
In known method, therefore the medical and health use natural cotton fiber hydro-entangled non-woven fabric produced by the inventive method not only product quality energy
Enough reach the requirement of existing country or professional standard, and also energy-saving and environmental protection, the advantages of production efficiency is high.
The preferred embodiment cited by the present invention is these are only, and is not used to limit the scope of the invention, affiliated skill
Equivalent modification or change that those of ordinary skill in art field is made with the present invention, it is same to belong to the patent of the present invention
Protection domain.
Claims (7)
1. a kind of production method of medical and health use natural cotton fiber hydro-entangled non-woven fabric, it is characterised in that methods described is pressed
State step progress：
A), fiber pre-treatment：Required according to product final mass, the commodity cotton of different sources, grade is combined in special equipment
In carry out preliminary mixing, shredding and removal of impurities；
B), pre- cotton carding：Will pass through step A) processing cotton fiber carried out in special carding machine preliminary combing, simultaneously remove
The impurity of more than 0.5mm particle diameters；
C), fine mixing：Further mixed cotton is carried out to the cotton fiber Jing Guo preparing；
D), fine cotton carding：To passing through step C) cotton fiber of processing is finely combed, becomes single fiber state, and go
Except the impurity and output 5-25g/m of below 0.5mm particle diameters2The web of grammes per square metre；
E), networking and drawing-off：By step D) cotton fiber net of fine carding step output carries out intersection laying, forms 100-
250g/m2The web of mass area ratio, then according still further to the mass area ratio requirement of final products, carries out fine drawing-off
And output fiber net；
F), Hydroentangled and mangle：The web exported from drafting machine is carried out Hydroentangled, being formed, there is strength scope to be
10-150N/5cm cotton fiber spunlace non-woven base fabric, while concentration is squeezed into base for 55-120g/L one-step method De-bleaching liquor
In cloth, it is 150-300wt% to make its band liquid measure；The De-bleaching liquor is by HostapaL UH.CN Liq refining agents 6.0g/L, Sirrix
ANTOX.CN Liq chelated dispersants 3.0g/L, Stabilizer FCB.CN Liq c hydrogen peroxide stabilizers 6.0g/L, sodium metasilicate
6.0g/L, solid caustic soda 60g/L and the hydrogen peroxide 80mL/L of weight percent concentration 30% compositions；
G), cold pad--batch：By step F) gained the one-step method De-bleaching liquor containing 150-300wt% cotton fiber spunlace non-woven yardage roll
It is placed on the special equipment of 1-5r/min rotating speeds rotation and carries out normal temperature stacking 16-24 hours；
H), the de- drift of one-step method：Cotton fiber hydro-entangled non-woven fabric volume after cold pad--batch is handled is subjected to high temperature scouring, high-temperature boiling
Experienced 100-120 DEG C of temperature, time are cotton wax, pectin substance on 0.5-1.5 hours, fast eliminating cotton fiber；High temperature scouring
De-bleaching liquor by Hostapal UH.CN liq refining agent 1.0g/L, Sirrix ANTOX.CN liq chelated dispersants 1.0g/L,
Stabilizer FCB.CN liq c hydrogen peroxide stabilizers 1.5g/L, solid caustic soda 5.0g/L and weight percent concentration 30%
Hydrogen peroxide 15ml/L composition；
I), hydro-entangled master：Cotton fiber hydro-entangled non-woven fabric by de- drift carries out cloth cover modification or carried on jacquard weave spun lacing device
Flower processing, is formed cloth cover compact bright and clean, strength scope for 10-150N/5cm jacquard product；
J), stentering forming drying：By step I) the cotton fiber hydro-entangled non-woven fabric after jacquard weave dried on framing shaping machine,
And antibacterial, dyeing arrangement are carried out when needed, then it is wound into big volume；
K), cut, pack and be put in storage：Will by client is cut into the medical and health use natural cotton fiber hydro-entangled non-woven fabric rolled up greatly
The width asked, length are simultaneously wound into rouleau, then pack, be put in storage and wait to dispatch from the factory.
2. the method as described in claim 1, it is characterised in that step A) described in removal of impurities be：By the dust in raw cotton, mud
Block, metal fillings, heterochromatic silk, cotton stalk and cotton leaf are removed.
3. the method as described in claim 1, it is characterised in that step B) described in pre- cotton carding be：After the completion of shredding removal of impurities
Cotton fiber is transported to pre- carding machine by air-flow and carries out pre-comb, is solved and compared with small impurities with carrying out further comb to raw cotton fiber
Remove.
4. the method as described in claim 1, it is characterised in that step H) one-step method takes off drift and is：Will be by cold pad--batch
The yardage roll feeding scouring and bleaching equipment of reason carries out thermophilic digestion, its cotton fiber is taken off 3-8% cotton wax, whiteness and reaches more than 85.
5. the method as described in claim 1, it is characterised in that step I) hydro-entangled master is：By the volume after the completion of de- drift
Material is unwound on jacquard weave spun lacing device and is carved with the roller of special decorative pattern, and it is impacted with spun lacing jet.
6. the method as described in claim 1, it is characterised in that step J) the stentering forming drying is：Using stentering forming
Machine is dried, and the regain of product is 5-8% after drying, and increases by 3% row yielding；And antibacterial, dye are carried out when needed
Color is arranged, and is then wound into big volume.
7. a kind of medical and health use natural cotton fiber spunlace non-woven produced according to any described methods of claim 1-6
Cloth, it is characterised in that the medical and health use natural cotton fiber hydro-entangled non-woven fabric, its unit area grammes per square metre deviation is ± 7%；
Whiteness >=85；Absorbent time≤5s；PH value 6-8；DDGS≤0.5% in water；DDGS≤0.5% in ether.
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| JP3159787B2 (en) * | 1992-06-24 | 2001-04-23 | ユニチカ株式会社 | Manufacturing method of recycled cotton nonwoven fabric |
| DE10361339B4 (en) * | 2003-12-18 | 2015-09-03 | Paul Hartmann Ag | Cosmetic cotton pad and method of making a cosmetic cotton pad |
| CN100340705C (en) * | 2005-02-06 | 2007-10-03 | 李建全 | Method for producing all cotton non-woven fabric medical dressing |
| CN1884656B (en) * | 2005-06-22 | 2011-11-23 | 欣龙控股（集团）股份有限公司 | Kawo fiber spunlaced fabrics production method |
| CN102051765A (en) * | 2009-10-28 | 2011-05-11 | 稳健实业(深圳)有限公司 | Dyed cotton spun-laced production process and product |
| CN203256452U (en) * | 2013-03-06 | 2013-10-30 | 稳健医疗（黄冈）有限公司 | Spunlace non-woven material, manufacturing equipment thereof and hygienic wet tissue |
| CN103215750B (en) * | 2013-03-06 | 2016-12-28 | 稳健医疗（黄冈）有限公司 | Spunlace non-woven material and manufacture method, manufacture equipment and wet sanitary napkins |
| CN103205862A (en) * | 2013-03-25 | 2013-07-17 | 蒋海彦 | Production method of kapok fiber spunlaced nonwoven fabric |
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