CN105200651A - Biodegradable warp knitted filter material base cloth and preparation method thereof - Google Patents
Biodegradable warp knitted filter material base cloth and preparation method thereof Download PDFInfo
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- CN105200651A CN105200651A CN201510719140.9A CN201510719140A CN105200651A CN 105200651 A CN105200651 A CN 105200651A CN 201510719140 A CN201510719140 A CN 201510719140A CN 105200651 A CN105200651 A CN 105200651A
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Abstract
The invention discloses biodegradable warp knitted filter material base cloth and a preparation method thereof. The biodegradable warp knitted filter material base cloth is prepared by a warp knitting and weaving manner and through the steps that a polylactic acid (PLA) fiber and/or a poly butylene succinate (PBS) short fiber are/is taken as a raw material for spinning, and is made into a warp beam. The warp knitted filter material base cloth has excellent heat-resistant quality, is not liable to deform and can be degraded by microorganism after losing efficacy, the environment pollution is avoided, green and sustainable development conception can be met, and the reproducible cost is low.
Description
Technical field
The invention belongs to textile technology field, being specifically related to a kind of biodegradable through compiling filtrate base cloth and preparation method thereof.
Background technology
Since reform and opening-up, national economy is increased fast, and " scientific and technical innovation, autonomous innovation " has become the main flow of current domestic industry development, and China's manufacturing industry is just progressively to the future development of intensive style, energy-saving and emission-reduction, low-carbon (LC).While China's experience national economy high speed development, also bring severe environmental problem.In recent years, China is long-time haze on a large scale, and atmosphere pollution, particularly PM2.5 are polluted and progressed into public view, and various circles of society give and pay close attention to widely.Atmosphere pollution not only has a strong impact on life and the health of the people, also sounds the alarm to the existing production and consumption mode of China, accelerates environmental improvement, changes economized form, very urgent.Filtration and isolation technics are one of control atmosphere pollution important means, sack cleaner particularly in filtration textiles is to fine solid particle, particularly the collection rate of PM10, PM2.5 can reach 99.9%, has now become the administration way of domestic and international atmospheric dust pollution first-selection.
Existing filtering material adopts non-woven mode mostly, by acupuncture or water thorn to Ji Bu with cover the upper and lower fiber web of base cloth and carry out upper and lower reciprocal puncture, the effect of dependence metal pricker and high-velocity flow, moves up and down the fiber of fibre web and entanglement forms mutually.Filter bag is made again with filtering material.Ji Bu and fibre web adopt identical material, usual employing basalt fibre, glass fibre (inorganic matter), the high technical fibre such as the conventional synthetic fiber such as terylene, acrylic fibers and polytetrafluoroethylene (PTFE) (PTFE), polyimides (P84), polyphenylene sulfide (PPS), aramid fiber are raw material.Along with industrial expansion and people are to the raising of environmental protection consciousness, new higher requirement is proposed to filtering material and filter bag.On the one hand, the main raw material of normal temperature filter bag is not terylene short fiber or acrylic staples in the market, not only takies textile raw material in a large number, and inefficacy filter bag also can be steady in a long-term because of synthetic fiber, perishable and cause waste pollution environment; On the other hand, a large amount of use high technical fibre, cause the waste of expensive high technical fibre, current high technical fibre mostly dependence on import still more, manufacturing technology monopolize by foreign-made business, though the domestic bottleneck of break-through skill, formed production capacity, but unstable product quality, affects result of use.In order to solve the problem, insider's constantly research and discovery.Research and develop novel high-quality, degradable filtrate base cloth, although make some progress technically, in practice, still there is the technical barrier not yet overcome.
Summary of the invention
The object of the invention is to overcome above deficiency, providing a kind of biodegradable through compiling filtrate base cloth.
Another object of the present invention is to provide this biodegradable preparation method through compiling filtrate base cloth.
The present invention mainly adopts by PLA (PLA), these two kinds of fibrous materials of poly butylene succinate (PBS) separately or the filtrate base cloth be mixed, there is deformability good, use middle elongation little, do not crease easily, be out of shape, surface smoothness high.The filter bag be made up through compiling filtrate base cloth of this, after product failure, under natural environmental condition, can be degraded by Soil Microorganism, avoid taking up room, contaminated environment.Particularly these two kinds of raw material are all from the starch of natural plant, and being extracted by fermentation, is renewable resource.
The object of the invention is to realize in the following manner:
A kind of biodegradable through compiling filtrate base cloth, this biodegradable through compile filtrate base cloth with acid fiber by polylactic (PLA) and or poly butylene succinate fiber short fiber (PBS) spin for raw material, make warp beam, to make through compiling weaving mode.
Described acid fiber by polylactic adopts monofilament linear density at the superfine fibre of 0.8-1.0dtex*38mm or conventional gauge fiber short fiber, the wherein monofilament linear density≤1.5dtex*38mm of the conventional gauge fiber short fiber of 1.0dtex*38mm <.The preferred PLA fiber dimensious of the present invention is the superfine fibre of filament linear density at 0.8-1.0dtex*38mm.Adopt superfine fibre PLA can improve the filter efficiency of filtrate to dust granules, reduce its running resistance.
Poly butylene succinate fiber short fiber (PBS) adopts monofilament linear density at the superfine fibre of 0.8-1.0dtex*38mm or conventional specification short fiber, wherein, the line density≤1.5dtex*38mm of the conventional specification short fiber of 1.0dtex*38mm <.
Above-mentioned is adopt warp plain stitch to weave through compiling weaving mode.The base cloth finished product grammes per square metre obtained is 50-150g/m
2.Preferred base cloth finished product grammes per square metre is 60-100g/m
2.Traditional filtrate base cloth grammes per square metre is large, and when filtrate is produced and adopted acupuncture or water thorn to reinforce, be subject to damage, but base cloth grammes per square metre is too little, brute force is lower, and filter effect is also undesirable.The present invention adopts warp plain stitch to weave, and controls base cloth grammes per square metre in suitable scope, has both ensured that filter effect was excellent, when can ensure that again filtrate produces employing acupuncture or the reinforcing of water thorn, is not subject to damage.
The above-mentioned biodegradable manufacture method through compiling filtrate base cloth comprises raw material is spun into hosiery yarns, after producing cheese by winding procedure, more successively through warping, upper axle, weave and rolling step.
The cheese that the present invention adopts is for raw material with PLA (PLA) and/or poly butylene succinate (PBS) short fiber, purely to spin or blended knitted yarn, knitting spinning equipment is spun into 16S-32S, fixed length, fixed heavy special cylinder yarn, cheese specification limit 16S-32S, powerful 650-900CN, powerful CV value 6.5-9.5%, percentage elongation 8-12%, weight: 6 kilograms/tin.
Warping of the present invention adopts high-speed warping machine warping: the creel that tension force and broken yarn self-stop be housed is laid 16S-32SPLA cheese or 16S-32SPBS cheese or 16S-32SPLA and PBS blending cheese.The PLA yarn of drawing from creel or PBS yarn or PLA and PBS blended yarn, through collection yarn plate aligned transfer, through spreader by parallel for warp thread separation, through yarn storage device dividing sinker comb, density reed, are wound on warp beam coiled hair.
PLA cheese or PBS cheese or PLA and PBS mix cheese on warping machines, under identical tension force, parallel, constant speed, are fitly wound into warp beam.Length required by warp knitting technology is 10350m-14100m.
Warping technology parameter is preferably specific as follows:
Base yarn warping configures: warp thread 202 * 6 coiled hairs, 21S, weft yarn 201 * 6 coiled hairs, 21S tension in Warping: 7-8 shelves, warped length 14100cm,
Veil warp beam configures: warp thread 203 * 6 coiled hairs, 21S, tension in Warping: 5 grades, warped length 10350cm
The speed of a motor vehicle: 450 revs/min
Tension in Warping control overflow: every one thread remains consistent at run duration, is consistent between all yarns.
Weaving step of the present invention is: warp thread is drawn warp beam simultaneously, penetrate the sley point of yarn guiding chase comb, sley point is around needle motion (swing, transverse moving left and right), knitting needle moves up and down simultaneously, thus by yarn pad on pin, and simultaneously lopping on all working pin, then be wound into yardage roll.
Described weaving condition is preferably and adopts warp plain stitch to weave.
Preferred weaving process: door width 227cm, grammes per square metre 60g/m
2, warp count 9 pieces/inch, base yarn warp run-in 1523.8rack, veil warp run-in 5165rack, weft count 8 pieces/inch, Cropping Length 1000m, the speed of a motor vehicle 1250 revs/min.
Product after rolling carries out base cloth inspection work on cloth inspecting machine.As cloth cover has greasy dirt stain, then dry-clean with perchloroethylene, make it dissolve and disperse.Base cloth after inspection, after wound into a roll, uses plastic film packaging.
The present invention is biodegradable through compiling filtrate base cloth (50-150g/m
2) filtrate (500g/m that is made up of it
2), base cloth can play the forceful action of bearing filtrate about 80%.
Beneficial effect of the present invention compared with the prior art: warp-knitted base fabric heat resisting temperature of the present invention can reach 85-125 DEG C, and there is stronger tension anti-deformation, also can be degraded by microorganisms under field conditions (factors) after product failure, avoid environmental pollution, meet the theory of Green Sustainable.PLA (PLA) is by starch preparation, and poly butylene succinate (PBS) can be obtained by biomass resource fermentation.By degradable warp-knitted base fabric and adopt above-mentioned biodegradable fiber to be fiber web, through the filtering material that nonwovens process is obtained, after product failure, can be decomposed by the enzyme in Soil Microorganism or animal and plant body, be renewable resource, and regeneration cost is low.
Accompanying drawing explanation
Fig. 1 is the biodegradable structural representation through compiling filtrate base cloth.
In figure, 1 is PLA (PLA) and/or poly butylene succinate (PBS) yarn.
Detailed description of the invention
Below by way of specific embodiment, the present invention is further described, but these can not be used for limiting the scope of the invention.PLA (PLA) involved by following examples is produced by Mitsui chemical company, and poly butylene succinate (PBS) fiber short fiber is produced by Eastman company of the U.S..
Embodiment 1 is with PLA (PLA) for raw material, and 21SPLA yarn adopts warp plain stitch to weave warp-knitted base fabric, and step is as follows:
One, warping: with monofilament linear density at the PLA superfine fibre of 1.0dtex*38mm for raw material, be spun into 21S hosiery yarns, make cheese.Cheese is placed on warping machine creel, according to the radical required by warp knitting technology and length, under identical tension force, parallel, constant speed, is fitly wound into warp beam.
Cheese specification: weight 6kg, yarn count 21S
The 21SPLA yarn index of quality
| Project | Index |
| Yarn count (S) | 21 |
| Powerful (CN) | 720 |
| Powerful CV value (%) | 8.2 |
| Percentage elongation (%) | 8.6 |
Adopt high-speed warping machine warping: 21SPLA cheese laid by the creel that tension force and broken yarn self-stop be housed.The PLA yarn of drawing from creel, through collection yarn plate aligned transfer, through spreader by parallel for warp thread separation, through yarn storage device dividing sinker comb, density reed, is wound on warp beam coiled hair.
Warping technology parameter is specific as follows:
Base yarn warping configures: warp thread 202 * 6 coiled hairs, 21S, weft yarn 201 * 6 coiled hairs, 21S
Tension in Warping: 7-8 shelves, warped length 14100cm
Veil warp beam configures: warp thread 203 * 6 coiled hairs, 21S
Tension in Warping: 5 grades, warped length 10350cm
The speed of a motor vehicle: 450 revs/min
Tension in Warping controls: every one thread remains consistent at run duration, is consistent between all yarns.
Two, weave
Warp thread is drawn warp beam simultaneously, penetrates the sley point of yarn guiding chase comb, and sley point is around needle motion (swing, transverse moving left and right), knitting needle moves up and down simultaneously, thus by yarn pad on pin, and lopping simultaneously on all working pin, be wound into yardage roll.
Adopt warp plain stitch, weaving process condition is as follows:
Door width 227cm, grammes per square metre 60g/m
2, warp count 9 pieces/inch, base yarn warp run-in 1523.8rack, veil warp run-in 5165rack, weft count 8 pieces/inch, Cropping Length 1000m, the speed of a motor vehicle 1250 revs/min.
Three, check
Cloth inspecting machine carries out base cloth inspection work.As cloth cover has greasy dirt stain, then dry-clean with perchloroethylene, make it dissolve and disperse.
Four, baling
Base cloth after inspection, after wound into a roll, uses plastic film packaging.
Fabric specification:
1, grammes per square metre: 60g/m
2
2, door width 227cm
3, ultimate strength (N/5cm) warp-wise: 1580; Broadwise: 1430
4, elongation at break (%) warp-wise: 23; Broadwise: 25
Embodiment 2 take monofilament linear density as poly butylene succinate (PBS) the fiber short fiber of 1.2dtex*38mm is raw material, and 16SPBS yarn adopts warp plain stitch to weave warp-knitted base fabric, and step is as follows:
One, warping: with monofilament linear density 1.2dtex*38mm poly butylene succinate fiber short fiber for raw material, be spun into hosiery yarns, make cheese.Cheese is placed on warping machine creel, according to the radical required by warp knitting technology and length, under identical tension force, parallel, constant speed, is fitly wound into warp beam.
Cheese specification: weight 6kg, yarn count 16S
The 16SPBS yarn index of quality
| Project | Index |
| Yarn count (S) | 16 |
| Powerful (CN) | 670 |
| Powerful CV value (%) | 7.0 |
| Percentage elongation (%) | 8.2 |
Adopt high-speed warping machine warping: 21SPBS cheese laid by the creel that tension force and broken yarn self-stop be housed.The PBS yarn of drawing from creel arranges with certain rule through collection yarn plate, through spreader by parallel for warp thread separation, through yarn storage device dividing sinker comb, density reed, is wound on warp beam coiled hair.
Warping technology parameter:
Base yarn warping configures: warp thread 202 * 6 coiled hairs, 16S, weft yarn 201 * 6 coiled hairs, 16S
Tension in Warping: 7-8 shelves, warped length 14100cm
Veil warp beam configures: warp thread 203 * 6 coiled hairs, 16S
Tension in Warping: 5 grades, warped length 10350cm
The speed of a motor vehicle: 450 revs/min
Tension in Warping controls: the run duration of every one thread remains consistent, is consistent between all yarns.
Two, weave
Warp thread is drawn warp beam simultaneously, penetrates the sley point of yarn guiding chase comb, and sley point is around needle motion (swing, transverse moving left and right), knitting needle moves up and down simultaneously, thus by yarn pad on pin, and lopping simultaneously on all working pin, be wound into yardage roll.
Adopt warp plain stitch, warp knitting machine weaving process condition:
Door width 227cm, grammes per square metre 65g/m
2, warp count 9 pieces/inch, base yarn warp run-in 1523.8rack, veil warp run-in 5165rack, weft count 8 pieces/inch, Cropping Length 1000m, the speed of a motor vehicle 1250 revs/min.
Three, check
Cloth inspecting machine carries out base cloth inspection work.As cloth cover has greasy dirt stain, then dry-clean with perchloroethylene, make it dissolve and disperse.
Four, baling
Base cloth after inspection, after wound into a roll, uses plastic film packaging.
The fabric specification obtained:
1, grammes per square metre: 65g/m
2
2, door width 227cm
3, ultimate strength (N/5cm) warp-wise: 1460; Broadwise: 1330
4, elongation at break (%) warp-wise: 20; Broadwise: 22
Do not describe step in above embodiment in detail and be this area routine techniques.
Embodiment 3 is with PLA (PLA) and poly butylene succinate (PBS) fiber short fiber for raw material, and 21SPLA, PBS blended yarn adopts warp plain stitch to weave warp-knitted base fabric, and step is as follows:
One, warping: with monofilament linear density at PLA (PLA) superfine fibre of 0.8dtex*38mm and monofilament linear density at 1.0dtex*38mm poly butylene succinate (PBS) fiber short fiber for raw material, blending rate is 50:50, be spun into 21S hosiery yarns, make cheese.Cheese is placed on warping machine creel, according to the radical required by warp knitting technology and length, under identical tension force, parallel, constant speed, is fitly wound into warp beam.
Cheese specification: weight 6kg, yarn count 21S
21SPLA, PBS blended yarn index of quality
| Project | Index |
| Yarn count (S) | 21 |
| Powerful (CN) | 723 |
| Powerful CV value (%) | 8.2 |
| Percentage elongation (%) | 9.3 |
Adopt high-speed warping machine warping: 21SPLA, PBS blending cheese laid by the creel that tension force and broken yarn self-stop be housed.PLA, PBS blended yarn of drawing from creel, through collection yarn plate aligned transfer, through spreader by parallel for warp thread separation, through yarn storage device dividing sinker comb, density reed, is wound on warp beam coiled hair.
Warping technology parameter:
Base yarn warping configures: warp thread 202 * 6 coiled hairs, 21S, weft yarn 201 * 6 coiled hairs, 21S
Tension in Warping: 7-8 shelves, warped length 14100cm
Veil warp beam configures: warp thread 203 * 6 coiled hairs, 21S
Tension in Warping: 5 grades, warped length 10350cm
The speed of a motor vehicle: 450 revs/min
Tension in Warping controls: the run duration of every one thread remains consistent, is consistent between all yarns.
Two, weave
Warp thread is drawn warp beam simultaneously, penetrates the sley point of yarn guiding chase comb, and sley point is around needle motion (swing, transverse moving left and right), knitting needle moves up and down simultaneously, thus by yarn pad on pin, and lopping simultaneously on all working pin, be wound into yardage roll.
Adopt warp plain stitch, warp knitting machine weaving process condition:
Door width 227cm, grammes per square metre 60g/m
2, warp count 9 pieces/inch, base yarn warp run-in 1523.8rack, veil warp run-in 5165rack, weft count 8 pieces/inch, Cropping Length 1000m, the speed of a motor vehicle 1250 revs/min.
Three, check
Cloth inspecting machine carries out base cloth inspection work.As cloth cover has greasy dirt stain, then dry-clean with perchloroethylene, make it dissolve and disperse.
Four, baling
Base cloth after inspection, after wound into a roll, uses plastic film packaging.
Fabric specification:
1, grammes per square metre: 60g/m
2
2, door width 227cm
3, ultimate strength (N/5cm) warp-wise: 1600; Broadwise: 1440
4, elongation at break (%) warp-wise: 24; Broadwise: 26
Do not describe step in above embodiment in detail and be this area routine techniques.
Embodiment 4 take monofilament linear density as poly butylene succinate (PBS) the fiber short fiber of 1.2dtex*38mm is raw material, and 21SPBS yarn adopts warp plain stitch to weave warp-knitted base fabric, and step is as follows:
One, warping: with monofilament linear density 1.2dtex*38mm poly butylene succinate fiber short fiber for raw material, be spun into hosiery yarns, make cheese.Cheese is placed on warping machine creel, according to the radical required by warp knitting technology and length, under identical tension force, parallel, constant speed, is fitly wound into warp beam.
Cheese specification: weight 6kg, yarn count 21S
The 21SPBS yarn index of quality
| Project | Index |
| Yarn count (S) | 21 |
| Powerful (CN) | 730 |
| Powerful CV value (%) | 8.0 |
| Percentage elongation (%) | 9.8 |
Adopt high-speed warping machine warping: 21SPBS cheese laid by the creel that tension force and broken yarn self-stop be housed.The PBS yarn of drawing from creel arranges with certain rule through collection yarn plate, through spreader by parallel for warp thread separation, through yarn storage device dividing sinker comb, density reed, is wound on warp beam coiled hair.
Warping technology parameter:
Base yarn warping configures: warp thread 202 * 6 coiled hairs, 21S, weft yarn 201 * 6 coiled hairs, 21S
Tension in Warping: 7-8 shelves, warped length 14100cm
Veil warp beam configures: warp thread 203 * 6 coiled hairs, 21S
Tension in Warping: 5 grades, warped length 10350cm
The speed of a motor vehicle: 450 revs/min
Tension in Warping controls: the run duration of every one thread remains consistent, is consistent between all yarns.
Two, weave
Warp thread is drawn warp beam simultaneously, penetrates the sley point of yarn guiding chase comb, and sley point is around needle motion (swing, transverse moving left and right), knitting needle moves up and down simultaneously, thus by yarn pad on pin, and lopping simultaneously on all working pin, be wound into yardage roll.
Adopt warp plain stitch, warp knitting machine weaving process condition:
Door width 227cm, grammes per square metre 60g/m
2, warp count 9 pieces/inch, base yarn warp run-in 1523.8rack, veil warp run-in 5165rack, weft count 8 pieces/inch, Cropping Length 1000m, the speed of a motor vehicle 1250 revs/min.
Three, check
Cloth inspecting machine carries out base cloth inspection work.As cloth cover has greasy dirt stain, then dry-clean with perchloroethylene, make it dissolve and disperse.
Four, baling
Base cloth after inspection, after wound into a roll, uses plastic film packaging.
The fabric specification obtained:
1, grammes per square metre: 60g/m
2
2, door width 227cm
3, ultimate strength (N/5cm) warp-wise: 1480; Broadwise: 1340
4, elongation at break (%) warp-wise: 20; Broadwise: 22
Do not describe step in above embodiment in detail and be this area routine techniques.
Claims (10)
1. biodegradable through compiling a filtrate base cloth, it is characterized in that this degradable recycling through compile filtrate base cloth with acid fiber by polylactic and or poly butylene succinate fiber short fiber spin for raw material, make warp beam, to make through compiling weaving mode.
2. according to claim 1 biodegradable through compiling filtrate base cloth, it is characterized in that acid fiber by polylactic adopts monofilament linear density at the superfine fibre of 0.8-1.0dtex*38mm or conventional specification short fiber, wherein, the monofilament linear density≤1.5dtex*38mm of the conventional specification short fiber of 1.0dtex*38mm <.
3. according to claim 1 biodegradable through compiling filtrate base cloth, it is characterized in that poly butylene succinate fiber short fiber adopts monofilament linear density at the superfine fibre of 0.8-1.0dtex*38mm or conventional specification short fiber, wherein, the line density≤1.5dtex*38mm of the conventional specification short fiber of 1.0dtex*38mm <.
4. according to claim 1 biodegradable through compiling filtrate base cloth, it is characterized in that described weaving for adopting warp plain stitch through compiling weaving mode.
5. according to claim 1 biodegradable through compiling filtrate base cloth, it is characterized in that described base cloth finished product grammes per square metre is 50-150g/m
2.
6. according to claim 4 biodegradable through compiling filtrate base cloth, it is characterized in that described base cloth finished product grammes per square metre is 60-100g/m
2.
7. a biodegradable manufacture method through compiling filtrate base cloth according to claim 1, is characterized in that the method comprises and raw material is spun into hosiery yarns, after producing cheese by winding procedure, more successively through warping, upper axle, weave and rolling step.
8. the biodegradable manufacture method through compiling filtrate base cloth according to claim 7, is characterized in that described warping is by cheese on warping machines, under identical tension force, parallel, constant speed, is fitly wound into warp beam.
9. the biodegradable manufacture method through compiling filtrate base cloth according to claim 7, is characterized in that described warped length is 10350m-14100m.
10. the biodegradable manufacture method through compiling filtrate base cloth according to claim 7, it is characterized in that described weaving step is: warp thread is drawn warp beam simultaneously, penetrate the sley point of yarn guiding chase comb, sley point is around needle motion, knitting needle moves up and down simultaneously, thus by yarn pad on pin, and simultaneously lopping on all working pin.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587250A (en) * | 2016-07-08 | 2018-01-16 | 香港纺织及成衣研发中心有限公司 | A kind of biodegradable antibiosis knitting thing |
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|---|---|---|---|---|
| JPH08144163A (en) * | 1994-11-16 | 1996-06-04 | Toyobo Co Ltd | Warp knitted fabric for filter cloth |
| DE20212054U1 (en) * | 2002-08-05 | 2003-01-30 | Schumann Klaus | Textile filter material, consists of knitted support material in form of warp knitted product with inserted weft |
| CN102051766A (en) * | 2011-01-18 | 2011-05-11 | 厦门建霖工业有限公司 | Preparation method of completely degradable biological polymer melt-blown cotton |
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| CN107587250A (en) * | 2016-07-08 | 2018-01-16 | 香港纺织及成衣研发中心有限公司 | A kind of biodegradable antibiosis knitting thing |
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| Publication number | Publication date |
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| CN105200651B (en) | 2018-01-09 |
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