CN1772979A - An anti-mosquito false twist yarn and producing method thereof - Google Patents
An anti-mosquito false twist yarn and producing method thereof Download PDFInfo
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Abstract
The present invention relates to a mosquito-repelling false twist yarn and its production method. It has sheath-core structure, the sheath-core volume ratio is 2:8-7:3; its fibre formula is as follows: sheath material is linear polymer, including PTT, PBT, PA-6, PET or one kind of PP whose melting index is 25-50; the described core material formula composition includes (by wt%) 93-98% of core polymer and 2-7% of mosquito-repellent; the core polymer is PE, PP or one kind of PET whose melting point is 150-200 deg.C; the described mosquito-repellent is at least one kind of Metadelphene, permethrin, allethrin, valerathrin, methothrin, allylguaiacol or plifenate. Said invention also provides the concrete steps of its production method.
Description
Technical field
The present invention relates to functional chemical fibre and manufacture method technology thereof, be specially a kind of anti-mosquito false twist yarn and manufacture method technology thereof with mosquito repellent function, IPC Main classification number plan is Int.C1
7D01F1/10.
Background technology
Keep away the functional fibre that the mosquito fiber is a kind of practicality.Keep away mosquito fiber product and manufacture method thereof both at home and abroad all in active research.For example, Chinese patent CN 1468983A has introduced a kind of manufacture method with polypropylene fibre of mosquito repelling function.This method be by acrylic resin with after culicifuge evenly mixes, granulation, the polypropylene fibre of making through melt spinning again with function of driving mosquitoes.Culicifuge content in this fiber is 1.0～3.0%; Chinese patent CN 1468984A has reported that a kind of manufacturing has the polypropylene fibre method of mosquito repelling function.This method is evenly to mix with culicifuge with the powdered polypropylene resin, culicifuge content is controlled to be 5～10%, make master batch through melt pelletization, evenly mix with the plain polypropylene particle with this master batch again, co-blended spinning and the polypropylene fibre made with function of driving mosquitoes.Again for example, Japanese patent laid-open 8-188966 discloses the manufacture method (insect of sucking blood avoid keep away お I び drying cloth and silk manufacture method) of keeping away mosquito and refusing the water cloth.It adopts and keeps away the mosquito peace, and Polyurethane, phosphorus etc. is carried out top finish to fiber, gives fiber mosquito-proof effect; What Japanese patent laid-open 7-279050 also disclosed a kind of terylene fiber products keeps away mosquito processing method (Port リ エ ス テ Le series fiber goods insect avoid keep away processing method).It is earlier terylene fiber products to be put into to contain the aqueous solution of keeping away the mosquito peace and carry out impregnation process, heat treatment in confined conditions then; The Japan Patent spy opens 2000-226768 and has then reported a kind of fiber construct (mosquito-proof effect The has The Ru fiber body structure) with mosquito-proof effect.The surface of this fiber and hollow space have the intercommunicating pore of wide 0.2～10 μ m, long 5～20 μ m, adopt toward the hollow space of doughnut and fill the gelinite that has the water-absorbing resins that mosquito-proof composition can slowly discharge, the loading of gelinite is 1% of a matrix doughnut, preferably reaches 5% (under the drying regime of non-swelling).
In above-mentioned prior art, adopt that coating and impregnating method make keep away the mosquito fiber washing after come off easily, the mosquito repellent lasting effect is relatively poor.And the method that culicifuge and polypropene blended melt spinning manufacturing are kept away the mosquito fiber, when melt spinning, need use the hot conditions more than 240 ℃, molten mass is very fast from the culicifuge volatilization of spinnerets ejection back, lose very big, culicifuge content in the fiber greatly reduces, and has influenced the continuation of the repelling effect and the function of driving mosquitoes of fiber.The mosquito fiber major defect of keeping away that the gel-filled surface that employing has a water-absorbing resins of mosquito-proof composition has with the intercommunicating pore of hollow space is: the one, and it is bigger to make this surface fiber difficulty with holes, the size of intercommunicating pore and uniformity coefficient are difficult to be consistent, and the manufacturing technique route is longer; The 2nd, the gelinite loading of water-absorbing resins that has mosquito-proof composition is lower, is difficult to reach effective repelling effect, also influences the retentivity of function.
Summary of the invention
At the deficiencies in the prior art, the technical problem that quasi-solution of the present invention is determined is that a kind of anti-mosquito false twist yarn and manufacture method technology thereof with mosquito repellent function is provided.This anti-mosquito false twist yarn repelling effect is obvious, can water-fastly wash, and persistence is arranged, and safe in utilization.The manufacture method of this anti-mosquito false twist yarn adopts core-skin composite spinning silk method, sandwich layer at fiber can be possessed a large amount of culicifuges, change the skin-core structure of fiber simultaneously, culicifuge can slowly be discharged, from the fiber side to reach the effect of effective and long-term mosquito repellent.
The technical scheme that the present invention solves described anti-mosquito false twist yarn technical problem is: design a kind of anti-mosquito false twist yarn, it has skin-core structure, and the core-skin volume ratio is 2: 8-7: 3; Its fiber prescription is: cortex material is a line polymer all, comprises that polytrimethylene terephthalate, polybutylene terephthalate, polycaprolactam, polyethylene terephthalate or melt index are a kind of in the polypropylene of 25-50; The percentage by weight prescription of described anti-mosquito false twist yarn core layer material is: core layer polymer 93-98%, culicifuge 2-7%; Described core layer polymer is that polyethylene, polypropylene or fusing point are a kind of in 150～200 ℃ the polyethylene terephthalate; Described culicifuge is to keep away at least a in mosquito peace, Permethrin, allethrin, valerate, methothrin, eugenol or the benzethazet acetofenate; Described anti-mosquito false twist yarn cross section is C shape, in-line, triangle or the cross that sandwich layer and fibrocortex surface are linked up.
Another technical scheme that the present invention solves described anti-mosquito false twist yarn technical problem is: design a kind of anti-mosquito false twist yarn, it has skin-core structure, and the core-skin volume ratio is 2: 8-7: 3; Its fiber prescription is: cortex material is a line polymer all, comprises that polytrimethylene terephthalate, polybutylene terephthalate, polycaprolactam, polyethylene terephthalate or melt index are a kind of in the polypropylene of 25-50; The percentage by weight prescription of described core layer material is: core layer polymer 80-97%, culicifuge 2-10%, bulking agent 1-10%; Described core layer polymer is that polyethylene, polypropylene or fusing point are a kind of in 150～200 ℃ the polytrimethylene terephthalate; Described culicifuge is to keep away at least a in mosquito peace, Permethrin, allethrin, valerate, methothrin, eugenol or the benzethazet acetofenate; Described bulking agent is one or both in ethene-vinyl acetate, polyethylene glycol or the paraffin; Described anti-mosquito false twist yarn cross section is C shape, in-line, triangle or the cross that sandwich layer and fibrocortex surface are linked up.
The technical scheme that the present invention solves described anti-mosquito false twist yarn production method technical problem is: design a kind of manufacture method of anti-mosquito false twist yarn, this manufacture method is carried out according to the structure of anti-mosquito false twist yarn of the present invention and prescription and following core-skin composite spinning silk technology:
1. make the anti-mosquito false twist yarn core layer material: after by described prescription described core layer polymer, culicifuge evenly being mixed, under 150-220 ℃ of temperature, extrude through dual-screw-stem machine, granulation obtains the anti-mosquito false twist yarn core layer material;
2. make and keep away the mosquito pre-oriented yarn: with the anti-mosquito false twist yarn core layer material of above-mentioned 1 step gained, use described cortex polymer, by described core-skin volume ratio, with core-skin composite spinning silk machine, suitable spinning pack spins out pre-oriented yarn; Spinning speed is 2400～3500 meters/minute; Described suitable spinning pack is meant according to anti-mosquito false twist yarn Cross-section Design needs corresponding selection in C shape, in-line, triangle or cross spinning pack that fiber sandwich layer and fibrocortex surface is linked up a kind of;
3. manufacturing anti-mosquito false twist yarn: the mosquito pre-oriented yarns of keeping away of 2 step gained are processed false twist yarn on false twisting machine, technological parameter is: stretching 1.1-2.5 doubly, the first hot plate temperature 135-185 ℃, the second hot plate temperature 115-140 ℃, 300～1000 meters/minute of winding speeds promptly can be made into described anti-mosquito false twist yarn.
Compared with prior art, anti-mosquito false twist yarn of the present invention is owing to adopted core-sheath composite structure and designed the special cross section structure, make culicifuge be built in the sandwich layer of fiber, but can communicate with the cortical surface of fiber, both can increase the dose of fiber, and also be convenient to preserve and long-term release, guarantee to keep away the mosquito effect, and can water-fastly wash, have the persistence mosquito repelling function; Culicifuge mainly is hidden in the sandwich layer of fiber simultaneously, can avoid or reduce skin and contact with containing the direct of drug fiber, uses safer.The manufacture method of anti-mosquito false twist yarn of the present invention adopts core-skin composite spinning silk method, sandwich layer at fiber can be possessed a large amount of mosquito repellents, change the skin-core structure of fiber simultaneously, the sandwich layer of design fiber and the cortical surface of fiber are linked up, mosquito repellent can slowly be discharged from the fiber side, guarantee that fiber has the effect of effective and long-term mosquito repellent.
Description of drawings
Fig. 1 is the schematic diagram of C shape embodiment for a kind of cross section of anti-mosquito false twist yarn of the present invention;
Fig. 2 is the schematic diagram of in-line embodiment for a kind of cross section of anti-mosquito false twist yarn of the present invention;
Fig. 3 is the schematic diagram of triangle embodiment for a kind of cross section of anti-mosquito false twist yarn of the present invention;
Fig. 4 is the schematic diagram of cross embodiment for a kind of cross section of anti-mosquito false twist yarn of the present invention.
The specific embodiment
The anti-mosquito false twist yarn of the present invention's design has skin-core structure, and the core-skin volume ratio is 2: 8-7: 3, preferred 3: 7-6: 4.If the cortex ratio of design fiber is excessive, then the sandwich layer ratio is just too little, and the culicifuge content of fiber sandwich layer is just very low, DeGrain; Otherwise too small as the cortex ratio of fruit fiber, then the sandwich layer ratio is just too big, though this helps the increase of culicifuge content, can influence the physical and mechanical properties of fiber, therefore requires core-skin layer volume ratio in described scope.
The cortex material of described anti-mosquito false twist yarn is a line polymer all, comprises that polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), polycaprolactam (PA-6), polyethylene terephthalate (PET) or melt index are a kind of in the polypropylene (PP) of 25-50; The percentage by weight prescription of described anti-mosquito false twist yarn core layer material is: core layer polymer 93-98%, culicifuge 2-7%; Described core layer polymer is that polyethylene (PE), polypropylene (PP) or fusing point are a kind of in 150～200 ℃ the polyethylene terephthalate (PET); Described culicifuge is to keep away at least a in mosquito peace, Permethrin, allethrin, valerate, methothrin, eugenol or the benzethazet acetofenate, and the selected mosquito medicine of keeping away is and meets national standard to people's safety with environment there is not the material of influence.
General skin-core structure long filament, cortex material is wrapped in core layer material.If core layer material is the functional mass that needs release, culicifuge medicine for example of the present invention, the long filament of so this structure just are unfavorable for the external release of functional mass, also are that repelling effect can not be realized well.The present invention has designed the fiber cross section of special structure, makes the sandwich layer of fiber and fibrocortex surface that communicative channel be arranged, even also the sandwich layer medicine of fiber is easier to by described communicative channel ratio and stablizes discharge outside fiber lentamente.Quantity according to described fiber sandwich layer and fibrocortex surface communicative channel, anti-mosquito false twist yarn cross section of the present invention can be designed as the in-line of the C shape of a passage, two passages, the triangle of three passages, or the cross of four passages (referring to Fig. 1-4).Generally speaking, under the certain condition of medicament contg, described communicative channel is many more, fiber sandwich layer drug just many more, and effect is just strong more, but the persistence of effect can descend.Otherwise, fiber sandwich layer drug just few more, effect is just weak more, but the persistence of effect can increase.Preferred C shape of anti-mosquito false twist yarn cross section embodiment of the present invention or in-line.This mainly is consider manufacture method simple.Can actually solve under the condition of manufacturing equipment and technological problems, anti-mosquito false twist yarn of the present invention is not got rid of the more Cross-section Design of described communicative channel.
Under the situation that described anti-mosquito false twist yarn structure or shape of cross section are determined, stable and lasting in order to guarantee that mechanical strength that the anti-mosquito false twist yarn following process needs and pharmacodynamic feature discharge, fiber cross section center core layer of the present invention is linked up partly with the fibrocortex surface or arc length account for fiber in the street girth 1～40%.Proportion is too small, release amount of medicine very little, mosquito repelling function is not obvious; And proportion is excessive, and release amount of medicine is too many, and therefore mosquito repelling function persistence variation should design suitably.
In order to improve the effect of anti-mosquito false twist yarn, increase the content of culicifuge, in the prescription of anti-mosquito false twist yarn of the present invention, can add an amount of bulking agent, the corresponding simultaneously core layer polymer that reduces.The concrete improved weight ratio prescription of anti-mosquito false twist yarn is: core layer polymer 80-97%, culicifuge 2-10%, bulking agent 1-10%; Described bulking agent is one or both in ethene-vinyl acetate (EVA), polyethylene glycol (PEG) or the paraffin.Surplus with aforementioned prescription.
The present invention has designed the manufacture method of described anti-mosquito false twist yarn simultaneously, and this manufacture method is carried out according to anti-mosquito false twist yarn structure of the present invention and prescription and following core-skin composite spinning silk technology:
1. make the anti-mosquito false twist yarn core layer material: after by described prescription described core layer polymer, culicifuge evenly being mixed, under 150-220 ℃ of temperature, extrude through dual-screw-stem machine, granulation obtains described anti-mosquito false twist yarn core layer material with mosquito repellent function; When adopting described anti-mosquito false twist yarn to improve prescription, make the anti-mosquito false twist yarn core layer material and also will join described bulking agent in the prescription of core layer material the blend granulation as requested;
2. make and keep away mosquito pre-oriented yarn (POY): above-mentioned prepared anti-mosquito false twist yarn core layer material of the 1st step, use described cortex polymer, by described core-skin volume ratio, with core-skin composite spinning silk machine, suitable spinning pack, spin out pre-oriented yarn (POY), spinning speed is 2400～3500 meters/minute; Described suitable spinning pack is meant according to the anti-mosquito false twist yarn shape of cross section and designs needs and the spinning pack of corresponding selection.Spinning pack can be a kind of according to anti-mosquito false twist yarn shape of cross section design needs corresponding selection in C shape, in-line, triangle or the cross spinning pack of sandwich layer that can make the anti-mosquito false twist yarn cross section and the communication of fibrocortex surface;
3. make false twist yarn (DTY): above-mentioned the 2nd prepared pre-oriented yarn of step (POY) is processed false twist yarn on false twisting machine, the design technology parameter is: stretching 1.1-2.5 doubly, the first hot plate temperature 135-185 ℃, the second hot plate temperature 115-140 ℃, 300～1000 meters/minute of winding speeds promptly can be made into described anti-mosquito false twist yarn.
The present invention does not address part and is applicable to prior art.
Below provide specific embodiments of the invention, but the present invention is not subjected to the restriction of embodiment:
Embodiment 1:
The prescription of anti-mosquito false twist yarn is: cortex material is dried polyethylene terephthalate; Core layer material is 80 parts of polyethylene, keeps away 10 parts of mosquito peaces, 6 parts in paraffin, 4 parts of ethene-vinyl acetates.After described core layer material fully mixed by prescription, extrude through twin-screw under 150 ℃, granulation produces the fibre core layered material; After gained core layer material and described cortex material fully dried, by 7: 3 fiber sheath core volume ratio, with core-skin composite spinning silk machine, C shape spinning pack under 3300 meters/minute speed, spun out pre-oriented yarn (POY); Pre-oriented yarn (POY) is processed on false twisting machine, parameter is 1.1 times of stretchings again, 180 ℃ of first hot plate temperatures, and 140 ℃ of second hot plate temperatures, 1000 meters/minute of winding speeds are made anti-mosquito false twist yarn.The cross section of gained anti-mosquito false twist yarn is the C font, and sandwich layer and cortex are linked up part and accounted for 1% of this fiber girth.
Embodiment 2:
The polypropylene of getting melt index 50 is used for the fiber sheath layered material; Get 85 parts of polypropylene, 6 parts of Permethrins, 2 parts of eugenols, 4 parts of ethene-vinyl acetates (EVA), 3 parts of polyethylene glycol (PEG) after fully mixing, are extruded through twin-screw under 180 ℃, and granulation produces the fibre core layered material; After skin, core material fully dried,, under core-skin composite spinning silk machine, in-line spinning pack, 2500 meters/minute speed, spin out pre-oriented yarn (POY) by fiber sheath, 6: 4 volume ratio of core; Pre-oriented yarn (POY) is processed on false twisting machine, parameter is for stretching 1.7 times again, and first hot plate temperature is 140 ℃, and second hot plate temperature is 120 ℃, and winding speed is 500 meters/minute, makes anti-mosquito false twist yarn.The cross section of gained anti-mosquito false twist yarn is an in-line, and sandwich layer and cortex are linked up part and accounted for 10% of this fiber girth.
Embodiment 3:
Get the cortex material that poly-dried propylene glycol ester terephthalate makees fiber; Get 90 parts of the polyester of 180 ℃ of fusing points, 5 parts of polyethylene glycol, 2 parts of allethrins, 3 parts of valerates after fully mixing, are extruded through twin-screw under 200 ℃, and granulation produces the fibre core layered material; By fiber sheath, 4: 6 volume ratio of core, under core-skin composite spinning silk machine, triangle spinning pack, 3100 meters/minute speed, spin out pre-oriented yarn (POY); Pre-oriented yarn (POY) is carried out on false twisting machine again, stretch 2 times, first hot plate temperature is 160 ℃, and second hot plate temperature is 130 ℃, and winding speed is 800 meters/minute, makes described anti-mosquito false twist yarn.The cross section of gained anti-mosquito false twist yarn is a triangle, and sandwich layer and cortex are linked up part and accounted for 20% of this fiber girth.
Embodiment 4:
Get dried polycaprolactam and be used for the fiber sheath layered material; Get 82 parts of polyethylene, 10 parts of polypropylene, 4 parts of polyethylene glycol, 2 parts of methothrins, 2 parts of allethrins after fully mixing, are extruded through twin-screw under 250 ℃, and granulation produces the fibre core layered material; By fiber sheath, 5: 5 volume ratio of core, under core-skin composite spinning silk machine, triangle spinning pack, 3500 meters/minute speed, spin out pre-oriented yarn (POY); Pre-oriented yarn (POY) is processed on false twisting machine, parameter is for stretching 2 times again, and first hot plate temperature is 160 ℃, and second hot plate temperature is 130 ℃, and winding speed is 700 meters/minute, makes the mosquito repellent false twist yarn.The cross section of gained anti-mosquito false twist yarn is a triangle, and sandwich layer and cortex are linked up part and accounted for 30% of this fiber girth.
Embodiment 5:
Get dried polybutylene terephthalate (PBT) and be used for the fiber sheath layered material; Get 97 parts of polypropylene, 2 parts of benzethazet acetofenates, 1 part of ethene-vinyl acetate (EVA) after fully mixing, is extruded through twin-screw under 170 ℃, and granulation produces the fibre core layered material; By fiber sheath, 3: 7 volume ratio of core, under core-skin composite spinning silk machine, cross spinning pack, 3200 meters/minute speed, spin out pre-oriented yarn (POY); Pre-oriented yarn (POY) is carried out on false twisting machine again, stretch 2 times, first hot plate temperature is 160 ℃, and second hot plate temperature is 130 ℃, and winding speed is 600 meters/minute, makes the mosquito repellent false twist yarn.The cross section of gained anti-mosquito false twist yarn is a cross, and sandwich layer and cortex are linked up part and accounted for 40% of this fiber girth.
Embodiment 6:
Get dried polybutylene terephthalate (PBT) and be used for the fiber sheath layered material; Get 98 parts of polypropylene, 2 parts of benzethazet acetofenates after fully mixing, are extruded through twin-screw under 170 ℃, and granulation produces the fibre core layered material; All the other are undertaken by embodiment 2, make anti-mosquito false twist yarn.The cross section of gained anti-mosquito false twist yarn is a word, and sandwich layer and cortex are linked up part and accounted for 10% of this fiber girth.
Embodiment 7:
The polypropylene of getting melt index 50 is used for the fiber sheath layered material; Get 93 parts of polypropylene, 6 parts of Permethrins, 1 part of eugenol after fully mixing, is extruded through twin-screw under 180 ℃, and granulation produces the fibre core layered material; All the other are undertaken by embodiment 1, make anti-mosquito false twist yarn.The cross section of gained anti-mosquito false twist yarn is the C font, and sandwich layer and cortex are linked up part and accounted for 5% of this fiber girth.
Claims (6)
1. anti-mosquito false twist yarn, it has skin-core structure, and the core-skin volume ratio is 2: 8-7: 3; Its fiber prescription is: cortex material is a line polymer all, comprises that polytrimethylene terephthalate, polybutylene terephthalate, polycaprolactam, polyethylene terephthalate or melt index are a kind of in the polypropylene of 25-50; The percentage by weight prescription of described anti-mosquito false twist yarn core layer material is: core layer polymer 93-98%, culicifuge 2-7%; Described core layer polymer is that polyethylene, polypropylene or fusing point are a kind of in 150～200 ℃ the polyethylene terephthalate; Described culicifuge is to keep away at least a in mosquito peace, Permethrin, allethrin, valerate, methothrin, eugenol or the benzethazet acetofenate; Described anti-mosquito false twist yarn cross section is C shape, in-line, triangle or the cross that sandwich layer and fibrocortex surface are linked up.
2. anti-mosquito false twist yarn, this anti-mosquito false twist yarn has skin-core structure, and the core-skin volume ratio is 2: 8-7: 3; Its fiber prescription is: cortex material is a line polymer all, comprises that polytrimethylene terephthalate, polybutylene terephthalate, polycaprolactam, polyethylene terephthalate or melt index are a kind of in the polypropylene of 25-50; The percentage by weight prescription of described core layer material is core layer polymer 80-97%, culicifuge 2-10%, bulking agent 1-10%; Described core layer polymer is that polyethylene, polypropylene or fusing point are a kind of in 150～200 ℃ the polyethylene terephthalate; Described culicifuge is to keep away at least a in mosquito peace, Permethrin, allethrin, valerate, methothrin, eugenol or the benzethazet acetofenate; Described bulking agent is one or both in ethene-vinyl acetate, polyethylene glycol or the paraffin; Described anti-mosquito false twist yarn cross section is C shape, in-line, triangle or the cross that sandwich layer and fibrocortex surface are linked up.
3. anti-mosquito false twist yarn according to claim 1 and 2 is characterized in that described core-skin volume ratio is 3: 7-6: 4; Described anti-mosquito false twist yarn cross section is C shape or the in-line that sandwich layer and fibrocortex surface are linked up.
4. anti-mosquito false twist yarn according to claim 1 and 2 is characterized in that communication part in described fiber cross section center core layer and fibrocortex surface accounts for 1～40% of fiber girth.
5. the manufacture method of an anti-mosquito false twist yarn, this manufacture method is carried out according to the described anti-mosquito false twist yarn structure of claim 1 and prescription and following core-skin composite spinning silk technology:
(1) make the anti-mosquito false twist yarn core layer material: after by described prescription described core layer polymer, culicifuge evenly being mixed, under 150-220 ℃ of temperature, extrude through dual-screw-stem machine, granulation obtains the anti-mosquito false twist yarn core layer material;
(2) manufacturing keeps away the mosquito pre-oriented yarn: with the anti-mosquito false twist yarn core layer material of above-mentioned (1) step gained, use described cortex polymer, by described core-skin volume ratio, with core-skin composite spinning silk machine, suitable spinning pack spins out pre-oriented yarn; Spinning speed is 2400～3500 meters/minute; Described suitable spinning pack is meant according to anti-mosquito false twist yarn Cross-section Design needs corresponding selection in C shape, in-line, triangle or cross spinning pack that fiber sandwich layer and fibrocortex surface is linked up a kind of;
(3) make anti-mosquito false twist yarn: the pre-oriented yarn of gained is processed false twist yarn on false twisting machine with (2) step, technological parameter is: stretching 1.1-2.5 doubly, the first hot plate temperature 135-185 ℃, the second hot plate temperature 115-140 ℃, 300～1000 meters/minute of winding speeds promptly can be made into described anti-mosquito false twist yarn.
6. the manufacture method of an anti-mosquito false twist yarn, this manufacture method is carried out according to the described anti-mosquito false twist yarn structure of claim 2 and prescription and following core-skin composite spinning silk technology:
(1) makes the anti-mosquito false twist yarn core layer material: after by described prescription described core layer polymer, culicifuge and bulking agent evenly being mixed, under 150-220 ℃ of temperature, extrude through dual-screw-stem machine, granulation obtains described anti-mosquito false twist yarn core layer material with mosquito repellent function;
(2) manufacturing keeps away the mosquito pre-oriented yarn: with the anti-mosquito false twist yarn core layer material of above-mentioned (1) step gained, use described cortex polymer, by described core-skin volume ratio, with core-skin composite spinning silk machine, suitable spinning pack spins out pre-oriented yarn; Spinning speed is 2400～3500 meters/minute; Described suitable spinning pack is meant according to anti-mosquito false twist yarn Cross-section Design needs corresponding selection in C shape, in-line, triangle or cross spinning pack that fiber sandwich layer and fibrocortex surface is linked up a kind of;
(3) make anti-mosquito false twist yarn: the mosquito pre-oriented yarn of keeping away of gained is processed false twist yarn on false twisting machine with (2) step, technological parameter is: stretching 1.1-2.5 doubly, the first hot plate temperature 135-185 ℃, the second hot plate temperature 115-140 ℃, 300～1000 meters/minute of winding speeds promptly can be made into described anti-mosquito false twist yarn.
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| US6037057A (en) * | 1998-02-13 | 2000-03-14 | E. I. Du Pont De Nemours And Company | Sheath-core polyester fiber including an antimicrobial agent |
| CN1180139C (en) * | 2002-07-15 | 2004-12-15 | 中国石化上海石油化工股份有限公司 | Making process of polypropylene fiber with mosquito repelling function |
| CN1641080A (en) * | 2003-03-06 | 2005-07-20 | 王开利 | Nano antibacterial composite-function aromatic fiber |
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2005
- 2005-11-11 CN CNB2005100160285A patent/CN100350085C/en not_active Expired - Fee Related
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| CN101798713A (en) * | 2010-04-01 | 2010-08-11 | 东华大学 | Multicomponent composite eccentric fiber and preparation method thereof |
| CN102115951A (en) * | 2011-03-10 | 2011-07-06 | 江门市大自然纺织品有限公司 | Manufacturing method of long-acting mosquito-expelling textile |
| CN102115951B (en) * | 2011-03-10 | 2012-07-11 | 江门市大自然纺织品有限公司 | Manufacturing method of long-acting mosquito-expelling textile |
| WO2017216674A1 (en) * | 2016-06-15 | 2017-12-21 | University Of Pretoria | Composite polymer fibres |
| CN106048777A (en) * | 2016-07-18 | 2016-10-26 | 无锡盛纤特邦工业材料有限公司 | Multi-purpose sheath-core composite monofilament as well as production method and application thereof |
| CN106757505A (en) * | 2016-12-28 | 2017-05-31 | 厦门安踏体育用品有限公司 | A kind of ice sense mosquito proof fiber and preparation method thereof and ice sense anti-mosquito fabric |
| CN111411419A (en) * | 2020-04-14 | 2020-07-14 | 浙江恒澜科技有限公司 | Mosquito-repellent antibacterial fiber with skin-core structure and preparation method thereof |
| CN113445153A (en) * | 2021-07-05 | 2021-09-28 | 苏州乾冠新纺织科技有限公司 | Long-acting mosquito-repelling pure cotton fabric and preparation method thereof |
| CN115160686A (en) * | 2021-09-01 | 2022-10-11 | 深圳市奔象科技有限公司 | Mosquito-repellent resin, fiber and mosquito-repellent product processed by same |
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