CN106948090A - The preparation method and process equipment of a kind of low temperature water-soluble polyvinyl alcohol non-weaving cloth - Google Patents
The preparation method and process equipment of a kind of low temperature water-soluble polyvinyl alcohol non-weaving cloth Download PDFInfo
- Publication number
- CN106948090A CN106948090A CN201710233159.1A CN201710233159A CN106948090A CN 106948090 A CN106948090 A CN 106948090A CN 201710233159 A CN201710233159 A CN 201710233159A CN 106948090 A CN106948090 A CN 106948090A
- Authority
- CN
- China
- Prior art keywords
- polyvinyl alcohol
- low temperature
- weaving cloth
- water
- temperature water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/09—Control of pressure, temperature or feeding rate
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
Abstract
The present invention relates to polyvinyl alcohol nonwovens field, the preparation method and process equipment of more particularly to a kind of low temperature water-soluble polyvinyl alcohol non-weaving cloth.The equipment includes feed opening, screw extruder, fondant filter, spinning manifold, combination stretching slit, pendulum wire device, air intake device and bracing means.The present invention, directly into cloth, substantially reduces the preparation flow of polyvinyl alcohol nonwovens by water plasticized melt-spinning, reduces cost and reduces environmental pollution.The combination of present invention process and equipment, solves the technical barrier of the water-soluble non-weaving cloth of low temperature well, has successfully prepared the polyvinyl alcohol nonwovens product that water solution temperature is 20 40 DEG C.The technique of the present invention is simple, low cost, is adapted to industrialized production.
Description
Technical field
The present invention relates to polyvinyl alcohol nonwovens field, more particularly to a kind of low temperature water-soluble polyvinyl alcohol non-weaving cloth
Preparation method and process equipment.
Background technology
Vinal is the water-soluble synthetic fibers for being uniquely capable of large-scale industrial production in the world at present, and its is non-
Woven product has a wide range of applications in fields such as health care, embroidery, clothes.General polyvinyl alcohol nonwovens are with poly- second
Enol chopped fiber is raw material, is manufactured through processes such as combing, networking, reinforcings.Polyvinyl alcohol chopped fiber is also generally that wet spinning is obtained.
Therefore there is process complexity, high cost in traditional polyvinyl alcohol Nonwovens In Technology；Vinal preparation technology is complicated,
There is pollution；Product fusing point is high, using limited.
The content of the invention
To solve in the prior art, polyvinyl alcohol nonwovens meet water easy gelation, be difficult to cut, difficulty of transportation etc. is asked
There is provided a kind of preparation method of low temperature water-soluble polyvinyl alcohol non-weaving cloth and process equipment for topic.
The present invention uses following technical scheme, low temperature water-soluble polyvinyl alcohol non-weaving cloth process equipment, under the equipment includes
Material mouth, screw extruder, fondant filter, spinning manifold, combination stretching slit, pendulum wire device, air intake device and bracing means；Institute
The screw extruder stated is connected with fondant filter, and the fondant filter is connected with spinning manifold, is provided with spinning manifold
Measuring pump and filament spinning component, filament spinning component are provided with spinneret, provided with combination stretching slit, combination stretching below spinneret
Pendulum wire device, fibre web and air intake device are provided with below slit, air intake device is connected with bracing means.
Further, exhaust outlet is carried on the fondant filter.
Further, the combination stretching slit has two larynx necks, and first order larynx neck size is 3-5cm, can avoid silk
Bar excessive velocities cause strand breaks, and second level larynx neck size is 1-2cm, are conducive to clamping strand to carry out effective draw texture.
Another object of the present invention is to be claimed using above-mentioned process equipment that to prepare low temperature water-soluble polyvinyl alcohol non-woven
The method of cloth, comprises the following steps：
S1. cleaned with frozen water, be swelled polyvinyl alcohol；
S2. the polyvinyl alcohol that is swelled of different size is mixed in proportion, while adding plasticizer；
S3. mixture obtained by step S2 is added into screw extruder plastifying fusion, melt extrusion enters fondant filter, passed through
Cross and enter filament spinning component after measuring pump, then extruded from spinneret, combination stretching is entered after being handled under spinneret through hot blast
Slit carries out draw texture, and the strand after drawing-off is evenly distributed on fibre web through pendulum wire device, reinforced, trimming winding, obtains low
Warm water-soluble polyvinyl alcohol non-weaving cloth product.
Further, the mixture of ice and water that frozen water is made for soft water in the step S1, the content of wherein ice is no less than
10wt%, frozen water treatment time is no less than 2 hours, with 2-3 times that frozen water amount is polyvinyl alcohol.
Further, the specification of polyvinyl alcohol is 0388,0588,1788, polyvinyl alcohol mixture matter in the step S2
Amount is than being (0-20):(20-50):(50-70).
Further, plasticizer is the mixture of polyethylene glycol, caprolactam and water, mixing quality ratio in the step S2
For (20-25):(10-20):(50-70).
Further, per kilogram is swelled polyvinyl alcohol plus 30-80g plasticizer in the step S2.
Further, plastifying fusion temperature of the mixture in screw extruder is 50-80 DEG C in the step S3.
Further, hot blast temperature is 30-70 DEG C in the step S3, and wind speed is 1m/min.
The present invention, directly into cloth, substantially reduces preparation flow, the drop of polyvinyl alcohol nonwovens by water plasticized melt-spinning
Low cost and reduction environmental pollution.The combination of present invention process and equipment, solves the skill of the water-soluble non-weaving cloth of low temperature well
Art problem, has successfully prepared the polyvinyl alcohol nonwovens product that water solution temperature is 20-40 DEG C.The present invention is washed by frozen water
Wash, be swelled, solve low temperature water-soluble raw material and the difficulty such as meet water i.e. gelation, be difficult to cut, convey；By composite elasticizer and compared with
The use of low plasticization temperature effectively prevent the phase separation of water, while also inhibits the generation of bubble, it is ensured that fluid mass；
The use of fondant filter is vented, deaeration tower is eliminated, reduces equipment purchasing and operating cost；Combination stretching slit uses guarantor
Stabilization of the strand in drafting process is demonstrate,proved, it is to avoid melt causes broken end because stress is excessive.The technique of the present invention is simple, cost
It is low, it is adapted to industrialized production.
Brief description of the drawings
Fig. 1 is water-soluble polyvinyl alcohol non-weaving cloth process equipment structural representation of the present invention；
Fig. 2 is present invention combination stretching slit schematic internal view.
Wherein 1, feed opening, 2, screw extruder, 3, fondant filter, 4, spinning manifold, 5, measuring pump, 6, spinning group
Part, 7, air inlet, 8, combination stretching slit, 9, pendulum wire device, 10, fibre web, 11, air intake device, 12, bracing means.
Embodiment
It is described in further details below by embodiment and with reference to accompanying drawing 1,2 couples of present invention, but does not limit in any way
The system present invention.In following embodiments unless otherwise specified, the experimental method used is conventional method, material therefor, reagent etc.
Chemically company it can buy.
As shown in Figure 1-2, water-soluble polyvinyl alcohol non-weaving cloth process equipment, including feed opening 1, screw extruder 2, melt
Filter 3, spinning manifold 4, combination stretching slit 8, pendulum wire device 9, air intake device 11 and bracing means 12；Described Screw Extrusion
Machine 2 is connected with fondant filter 3, and exhaust outlet is carried on the fondant filter 3, and the fondant filter 3 connects with spinning manifold 4
Connect, measuring pump 5 and filament spinning component 6 are provided with spinning manifold 4, filament spinning component 6 is provided with spinneret, is provided with below spinneret
Combination stretching slit 8, combination stretching slit 8 has two larynx necks, and first order larynx neck size is 3-5cm, second level larynx neck size
For 1-2cm.Air-intake device is provided between spinning manifold 4 and combination stretching slit 8, provided with pendulum below combination stretching slit 8
Silk device 9, fibre web 10 and air intake device 11, air intake device 11 are connected with bracing means 12.
Embodiment 1
The polyvinyl alcohol that specification is 0388,0588,1788 is washed with 2 times of quality frozen water and is swelled 2 hours.
Embodiment 2
The polyvinyl alcohol that specification is 0388,0588,1788 is washed with 3 times of quality frozen water and is swelled 2 hours.
Embodiment 3
Plasticizer is prepared according to the following formula
Embodiment 4
The product 0388,0588,1788 of embodiment 1 is pressed 0:30:70 ratio mixing, adds plasticizer 140ml/Kg molten
Swollen polyvinyl alcohol.Screw extruder 2 is added after well mixed, in plastifying fusion at 50-80 DEG C, melt enters molten with exhaust outlet
Body filter 3, the melt after filtering enters filament spinning component 6 through measuring pump 5, then extrudes, is passed through under spinneret from spinneret
1m/min, enters special combination stretching slit 8 and carries out draw texture, the strand after drawing-off is through pendulum wire device after 30 DEG C of hot blast processing
9 are evenly distributed on fibre web 10, reinforced rear progress trimming winding, and it is 40 DEG C of polyvinyl alcohol nonwovens systems to obtain water solution temperature
Product.
Embodiment 5
The product 0388,0588,1788 of embodiment 1 is pressed 20:30:50 ratio mixing, adds plasticizer 280ml/Kg
It is swelled polyvinyl alcohol.Screw extruder 2 is added after well mixed, in plastifying fusion at 50-80 DEG C, melt enters with exhaust outlet
Fondant filter 3, the melt after filtering enters filament spinning component 6 through measuring pump 5, is then extruded from spinneret, under spinneret
Through 2m/min, special combination stretching slit 8 is entered after 70 DEG C of hot blast processing and carries out draw texture, the strand after drawing-off is through pendulum wire
Device 9 is evenly distributed on fibre web 10, reinforced rear progress trimming winding, and it is 30 DEG C of polyvinyl alcohol nonwovens to obtain water solution temperature
Product.
Embodiment 6
The product 0388,0588,1788 of embodiment 2 is pressed 20:30:50 ratio mixing, adds plasticizer 280ml/Kg
It is swelled polyvinyl alcohol.Screw extruder 2 is added after well mixed, in plastifying fusion at 50-80 DEG C, melt enters with exhaust outlet
Fondant filter 3, the melt after filtering enters filament spinning component 6 through measuring pump 5, is then extruded from spinneret, under spinneret
Through 2m/min, special combination stretching slit 8 is entered after 40 DEG C of hot blast processing and carries out draw texture, the strand after drawing-off is through pendulum wire
Device 9 is evenly distributed on fibre web 10, reinforced rear progress trimming winding, and it is 21 DEG C of polyvinyl alcohol nonwovens to obtain water solution temperature
Product.
Embodiment 7
The product 0388,0588,1788 of embodiment 2 is pressed 10:20:70 ratio mixing, adds plasticizer 360ml/Kg
It is swelled polyvinyl alcohol.Screw extruder 2 is added after well mixed, in plastifying fusion at 50-80 DEG C, melt enters with exhaust outlet
Fondant filter 3, the melt after filtering enters filament spinning component 6 through measuring pump 5, is then extruded from spinneret, under spinneret
Through 1m/min, special combination stretching slit 8 is entered after 60 DEG C of hot blast processing and carries out draw texture, the strand after drawing-off is through pendulum wire
Device 9 is evenly distributed on fibre web 10, reinforced rear progress trimming winding, and it is 32 DEG C of polyvinyl alcohol nonwovens to obtain water solution temperature
Product.
Embodiment 8
The product 0388,0588,1788 of embodiment 1 is pressed 0:50:50 ratio mixing, adds plasticizer 430ml/Kg molten
Swollen polyvinyl alcohol.Screw extruder 2 is added after well mixed, in plastifying fusion at 50-80 DEG C, melt enters molten with exhaust outlet
Body filter 3, the melt after filtering enters filament spinning component 6 through measuring pump 5, then extrudes, is passed through under spinneret from spinneret
1.5m/min, enters special combination stretching slit 8 and carries out draw texture, the strand after drawing-off is through pendulum wire after 50 DEG C of hot blast processing
Device 9 is evenly distributed on fibre web 10, reinforced rear progress trimming winding, and it is 20 DEG C of polyvinyl alcohol nonwovens to obtain water solution temperature
Product.
Embodiment 9
The product 0388,0588,1788 of embodiment 1 is pressed 15:15:70 ratio mixing, adds plasticizer 130ml/Kg
It is swelled polyvinyl alcohol.Screw extruder 2 is added after well mixed, in plastifying fusion at 50-80 DEG C, melt enters with exhaust outlet
Fondant filter 3, the melt after filtering enters filament spinning component 6 through measuring pump 5, is then extruded from spinneret, under spinneret
Through 1.5m/min, special combination stretching slit 8 is entered after 35 DEG C of hot blast processing and carries out draw texture, the strand after drawing-off is through pendulum
Silk device 9 is evenly distributed on fibre web 10, reinforced rear progress trimming winding, and it is that 30 DEG C of polyvinyl alcohol are non-woven to obtain water solution temperature
Cloth products.
Claims (10)
1. a kind of low temperature water-soluble polyvinyl alcohol non-weaving cloth process equipment, it is characterised in that including feed opening (1), Screw Extrusion
Machine (2), fondant filter (3), spinning manifold (4), combination stretching slit (8), pendulum wire device (9), air intake device (11) and reinforcing
Device (12)；Described screw extruder (2) is connected with fondant filter (3), the fondant filter (3) and spinning manifold
(4) connect, measuring pump (5) and filament spinning component (6) are provided with spinning manifold (4), filament spinning component (6) is provided with spinneret,
Provided with stretching slit (8) is combined below spinneret, the combination is stretched below slit (8) provided with pendulum wire device (9), fibre web (10) and suction
Wind apparatus (11), air intake device (11) is connected with bracing means (12).
2. a kind of low temperature water-soluble polyvinyl alcohol non-weaving cloth process equipment according to claim 1, it is characterised in that described molten
Exhaust outlet is carried on body filter (3).
3. a kind of low temperature water-soluble polyvinyl alcohol non-weaving cloth process equipment according to claim 1, it is characterised in that described group
Closing stretching slit (8) has two larynx necks, and first order larynx neck size is 3-5cm, and second level larynx neck size is 1-2cm.
4. the method that the equipment described in a kind of use claim 1 prepares low temperature water-soluble polyvinyl alcohol non-weaving cloth, its feature exists
In comprising the following steps：
S1. cleaned with frozen water, be swelled polyvinyl alcohol；
S2. the polyvinyl alcohol that is swelled of different size is mixed in proportion, while adding plasticizer；
S3. mixture obtained by step S2 is added into screw extruder (2) plastifying fusion, melt extrusion enters fondant filter (3),
Enter filament spinning component (6) after measuring pump (5), then extrude, enter after being handled under spinneret through hot blast from spinneret
Combination stretching slit (8) carries out draw texture, and the strand after drawing-off is evenly distributed on fibre web (10) through pendulum wire device (9), through adding
Gu, trimming winding, obtain low temperature water-soluble polyvinyl alcohol non-weaving cloth product.
5. a kind of preparation method of low temperature water-soluble polyvinyl alcohol non-weaving cloth according to claim 4, it is characterised in that institute
The mixture of ice and water that frozen water is made for soft water in step S1 is stated, the wherein content of ice is no less than 10wt%, and frozen water treatment time is not
Less than 2 hours, with 2-3 times that frozen water amount is polyvinyl alcohol.
6. a kind of preparation method of low temperature water-soluble polyvinyl alcohol non-weaving cloth according to claim 4, it is characterised in that institute
The specification for stating polyvinyl alcohol in step S2 is 0388,0588,1788, and polyvinyl alcohol mixture mass ratio is (0-20):(20-
50):(50-70)。
7. a kind of preparation method of low temperature water-soluble polyvinyl alcohol non-weaving cloth according to claim 4, it is characterised in that institute
The mixture that plasticizer in step S2 is polyethylene glycol, caprolactam and water is stated, mixing quality ratio is (20-25):(10-20):
(50-70)。
8. a kind of preparation method of low temperature water-soluble polyvinyl alcohol non-weaving cloth according to claim 4, it is characterised in that institute
State per kilogram in step S2 and be swelled polyvinyl alcohol addition 30-80g plasticizer.
9. a kind of preparation method of low temperature water-soluble polyvinyl alcohol non-weaving cloth according to claim 4, it is characterised in that institute
It is 50-80 DEG C to state plastifying fusion temperature of the mixture in screw extruder in step S3.
10. a kind of preparation method of low temperature water-soluble polyvinyl alcohol non-weaving cloth according to claim 4, it is characterised in that
Hot blast temperature is 30-70 DEG C in the step S3, and wind speed is 1m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233159.1A CN106948090B (en) | 2017-04-11 | 2017-04-11 | A kind of preparation method and process equipment of low temperature water-soluble polyvinyl alcohol non-woven cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233159.1A CN106948090B (en) | 2017-04-11 | 2017-04-11 | A kind of preparation method and process equipment of low temperature water-soluble polyvinyl alcohol non-woven cloth |
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| Publication Number | Publication Date |
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| CN106948090A true CN106948090A (en) | 2017-07-14 |
| CN106948090B CN106948090B (en) | 2019-05-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108893979A (en) * | 2018-07-19 | 2018-11-27 | 铜陵熙成塑料制品有限公司 | A kind of preparation method of degradable nonwoven fabrics |
| CN114044265A (en) * | 2021-04-20 | 2022-02-15 | 金华市联宾塑料制品有限公司 | Antibacterial plastic packaging bag for paper diaper and preparation method thereof |
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| JPH083848A (en) * | 1994-06-13 | 1996-01-09 | Kuraray Co Ltd | Nonwoven fabric being water soluble at low temperature and production thereof |
| JPH10226917A (en) * | 1997-02-17 | 1998-08-25 | Kuraray Co Ltd | Low temperature water-soluble large-diameter fiber and its production |
| JP2003041429A (en) * | 2002-07-22 | 2003-02-13 | Kuraray Co Ltd | Multifilament and staple fiber each comprising water- soluble polyvinyl alcohol fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108893979A (en) * | 2018-07-19 | 2018-11-27 | 铜陵熙成塑料制品有限公司 | A kind of preparation method of degradable nonwoven fabrics |
| CN114044265A (en) * | 2021-04-20 | 2022-02-15 | 金华市联宾塑料制品有限公司 | Antibacterial plastic packaging bag for paper diaper and preparation method thereof |
| CN114044265B (en) * | 2021-04-20 | 2022-12-09 | 金华市联宾塑料制品有限公司 | Antibacterial plastic packaging bag for paper diaper and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106948090B (en) | 2019-05-07 |
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