CN107849744A - A kind of flexible fibre and its fabric - Google Patents
A kind of flexible fibre and its fabric Download PDFInfo
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- CN107849744A CN107849744A CN201680041181.XA CN201680041181A CN107849744A CN 107849744 A CN107849744 A CN 107849744A CN 201680041181 A CN201680041181 A CN 201680041181A CN 107849744 A CN107849744 A CN 107849744A
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- fiber
- natural plant
- plant grease
- fabric
- grease
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
Abstract
The invention discloses a kind of flexible fibre, mainly it is made up of thermoplastic polymer, containing the natural plant grease for accounting for 0.1~15wt% of fiber in fiber, and the fusing point of natural plant grease is below 0 DEG C, boiling point contains oleic acid and squalene more than 200 DEG C in the natural plant grease.The fabric as made from the fiber of the present invention has good flexibility and especially glutinous feel.
Description
The present invention relates to a kind of flexible fibre and its fabrics, are specifically related to a kind of using flexible fibre and its fabric of the thermoplastic polymer as primary raw material and containing natural plant grease.
With the raising of living standards of the people, requirement of the people to synthesis fiber garment is also higher and higher, it not only to wear beautiful, comfortable, it is also desirable that they can provide some other functions, as having softness excellent as natural fiber, moisture pick-up properties and environment-friendly function, so that synthetic fibers clothes cater to the demand of people in terms of functionality.Natural oil is to refine obtained major product by plant squeezing, is liquid environment-friendly type grease, and the essential oil extracted has moist, moisturizing, cosmetic result to human skin, and edible oil can more prevent cardiovascular disease and adjust the effect of human blood lipid concentration.The problems such as crude vegetal is applied in textile fabric to the softness that fabric can be improved, but also always exists low boiling point, smoke, bad dispersion in application.
In actual operation, natural plant grease can be added in rear processing finishing agent, pass through sizing during the rear processing finishing of fabric, so that natural plant grease forms coating on the fabric, but the defect of this method is that the natural plant grease coating after repeatedly washing on fabric is easy to peel off, durability is poor.Other methods also directly add natural plant grease in polymerization or mixing process, but the problems such as low boiling point because of grease, heat resistance, easy thermal decomposition can only add in the high molecular polymers such as low-melting polylactic acid, polypropylene.Natural oil is added in various polyester although Chinese patent CN103547619A is disclosed, only used polypropylene and natural oil mixing in the specific implementation, it can not be in dystectic polymer such as nylon, poly terephthalic acid second two
It is added in alcohol ester etc., application range is restricted.
Summary of the invention
It is mainly made of thermoplastic polymer and the fiber with excellent flexibility containing natural plant grease the purpose of the present invention is to provide a kind of.
The fiber is mainly made of thermoplastic polymer, wherein the natural plant grease is for fusing point at 0 DEG C hereinafter, boiling point is at 200 DEG C or more containing the natural plant grease for accounting for 0.1~15wt% of fiber；Contain oleic acid and squalene in the natural plant grease.
The natural plant grease mid-oleic preferably 55~97wt%.
Squalene content preferably 0.1~3wt% in the natural plant grease.
The linoleic acid of 0.1~20wt% is preferably comprised in the natural plant grease.
One or more of the preferred polyethylene terephthalate of the thermoplastic polymer, nylon 6 or mutual-phenenyl two acid bromide two alcohol ester.
The thermoplastic polymer also preferable polyolefin, further preferred polypropylene.In preceding note polyolefin flexible fibre, preferably also contain carotenoid.
The invention also discloses a kind of fabric, contain above-mentioned flexible fibre in the fabric.
Natural plant grease is dispersed in flexible fibre of the invention.The addition of natural plant grease can be such that fiber surface is modified, and form small bumps, and human body when contacting with skin, which is made after fabric, can generate glutinous sense of touch, feel that fabric is soft, comfortable and easy to wear.
The content of natural plant grease accounts for 0.1~15wt% of fiber total amount in fiber.For natural plant grease content lower than if 0.1wt%, the flexibility of fiber is bad in fiber；If the content of natural plant grease is higher than 15wt% in fiber, then in the mixture system of thermoplastic polymer and natural plant grease
Fibre forming property when standby fiber is bad.In terms of the flexibility of fiber and fibre forming property two it is comprehensive from the aspect of, the content of natural plant grease preferably accounts for 2~10wt% of fiber total amount in fiber of the present invention.
For being mainly used in for the fiber for wearing clothing, if the fusing point of natural plant grease in fruit fiber is more than 0 DEG C even higher, grease can generate solidification in the fabric when outside air temperature is lower than the fusing point of natural plant grease, cause fabric also harder than General polymeric fibres, the feel and appearance of fabric are all deteriorated.Therefore, the present invention selects fusing point in 0 DEG C of natural plant grease below, and gained fiber is allow to be suitble to the demand of wearing under any temperature, even if temperature is lower than 0 DEG C, clothing will not due to natural plant grease solidification and be hardened.
Flexible fibre containing natural plant grease of the invention is worth by the blend of thermoplastic polymer and natural plant grease through melt spinning, therefore the boiling point of selected natural plant grease must be able to satisfy the minimum requirements of spinning temperature.The present invention selects natural plant grease of the boiling point at 200 DEG C or more, it is preferred that boiling point is at 270 DEG C or more, be not in temperature resistance problem when can guarantee with high melting point thermoplastic polymer spinning, will not due to natural plant grease vaporization and generate the waste of grease and the rising of cost.
The oleic acid of 55~97wt% is preferably comprised in natural oil of the invention, oleic acid has very strong moisture-retaining capacity, has excellent moistening effect to human skin when directly smearing；And as unsaturated acids, there are also the effects of antibacterial anti-inflammatory for oleic acid.Oleic acid is applied in fiber, the function of fiber excellent moisturizing and antibacterial can also be assigned.
But as single unsaturated acids, the heat resistance of oleic acid is bad, the problems such as discoloration is easy to happen in spinning after mixing with high melting point thermoplastic polymer, is decomposed, therefore it is used to be subject to certain restrictions.Therefore, in order to mitigate by the uncertainty in terms of oleic acid bring heat resistance, further preferably contain squalene in natural plant grease of the invention.Squalene is a kind of natural bioactive substance,
The heat resistance of natural plant grease can be improved after addition to a certain extent, while the hardening that fiber and the fabric made of fiber generate in sizing heating process can also be improved, fiber and plant is made to keep better flexibility.
The content of squalene preferably 0.1~3wt% in the natural oil.The heat resistance and fiber/fabric flexibility that not can effectively improve natural plant grease if squalene content is too small, the basic indifference of performance with the natural plant grease without containing squalene；Squalene content can make greatly very much dispersibility of the natural plant grease in thermoplastic polymer be deteriorated, and cause wire broken rate in spinning process to increase, very big decline occurs in production efficiency, without real value.
In addition, in order to improve the moisture pick-up properties of fiber, further preferably containing the linoleic acid of 0.1~20wt% in natural plant grease of the invention.
Linoleic acid has good hygroscopicity, but if too high levels, the heat-resisting effect of oleic acid can be inhibited to embody during heating, oleic acid is caused to thermally decompose, the fiber containing natural oil is indirectly led to problems such as to change colour as unsaturated fatty acid.
The main component of flexible fibre of the invention is thermoplastic polymer, there is no particular limitation to thermoplastic polymer by the present invention, it can be polyester, polyamide, polyolefin etc., the specific can be that polyethylene terephthalate, polybutylene terephthalate (PBT), nylon 6, nylon66 fiber, polyethylene, polypropylene or polystyrene etc..
One or more of the preferable polyethylene terephthalate of thermoplastic polymer of the present invention, polybutylene terephthalate (PBT) or nylon 6.
The thermoplastic polymer also preferable polyolefin, further preferred polypropylene.
Preferably also contain carotenoid in polyolefin flexible fibre of the present invention, because polyolefine fiber dyeability is poor, natural carotenoid can be used as natural dye and paint by polyolefine fiber.
It is preferred that the content of carotenoid is 0~0.5wt% in natural plant grease
Flexible fibre of the invention, it can be prepared by following method: master batch first is made in thermoplastic polymer and natural plant grease, then thermoplastic polymer chips and master batch are put into feed bin together, screw extruder is fed after blender mixes, most obtains flexible fibre through spinning afterwards；Or thermoplastic polymer chips are first put into feed bin, equipment is then added by liquid and is sliced feed inlet addition natural plant grease in screw extruder, screw extruder is fed after evenly mixing after slice melting, most obtains flexible fibre through spinning afterwards.
When preparing the master batch of above-mentioned thermoplastic polymer and natural plant grease, the weight of natural plant grease and thermoplastic polymer be can be as 20~50:80~50.
Above-mentioned spinning process can be using any well known melt spinning method, such as one-step method drafting silk, two step method processed filament.
Due to the presence of natural plant grease, fiber softening of the invention, the fabric the being made from it feeling glutinous to people, and than common fabric softness, being primarily due to the opposite bending stiffness (B) with common fabric fabric of the present invention reduces by 10~50%, preferably 20~40%, lag reduces by 10~50%, preferably 20~40% away from (2HB), and surface roughness (SMD) improves 10~30%, preferably 15~25%, additionally it is possible to keep good strength and elongation.Meanwhile fiber of the invention can be prepared with existing disclosed various melt spinning methods, and belong to the green fiber being safe from harm to environment without heavy metal, artificial synthesized softening agent etc. in fiber, it can effectively mass production.
The present invention relates to the test method of parameter is as follows:
(1) in fiber natural plant grease content
2 grams of fibers containing natural plant grease are chosen, oscillation dissolves 6 hours and extracts raffinate out in lysate (lysate ingredient refers to FZ-T01057.4-2007 standard).Raffinate is dense by stirring
After contracting, after the strainer (0.45um) of PTFE carries out residue filter, extraction surface layering grease weighs M grams of weight.By conversion, the content N%=(M/2) * 100 of natural plant grease in fiber is obtained.
(2) oleic acid and linoleic acid content in natural plant grease
Oleic acid and linoleic acid content in fiber are measured by GB/T 22501-2008 gas-chromatography (GC) method, then oleic acid and linoleic acid content in natural plant grease are obtained by conversion；
Natural plant grease content in natural plant grease mid-oleic=fiber mid-oleic/fiber, natural plant grease content in natural plant grease Linoleic acid content=fiber Linoleic acid content/fiber.
(3) squalene and carotenoid content in natural plant grease
The content of squalene and carotenoid in fiber is measured by nuclear magnetic resonance (NMR), then squalene and carotenoid content in natural plant grease are obtained by conversion；
Natural plant grease content in squalene content/fiber in squalene content=fiber in natural plant grease,
Natural plant grease content in carotenoid content/fiber in carotenoid content=fiber in natural plant grease.
(4) in fiber natural plant grease size
The surface of fiber and section are observed by scanning electron microscope sem or transmission electron microscope TEM, obtain electronic image, then handles to obtain the dispersion size of natural plant grease liquid by winrof software.
(5) in fiber natural plant grease fusing point
The general fusing point test method of GB/T 617-2006 chemical reagent is measured
(6) in fiber natural plant grease boiling point
The general boiling point test method of GB/T 616-2006 chemical reagent is measured
(7) intensity of fiber, elongation at break and strength and elongation product
Sample is measured on cupping machine (ORIENTEC produces (Tensilon) UCT-100) with the constant speed elongation condition in JIS~L1013 (1999) 8.5.1 standard test.Sample length is 20cm, tensile speed is 20cm/ points, and test number (TN) is 10 times.In addition, elongation at break is acquired by the elongation of fiber when strength maximum in S~S curve.
Strength and elongation product can be acquired by following formula,
Strength and elongation product=intensity (cN/dtex) × (elongation at break (%)0.5)。
(8) fabric softness (bending stiffness, lag away from)
Using KES FB2 method standard test bending stiffness, lag away from.
(9) the glutinous sense of Roughness
Use the glutinous sense of KES FB4 method standard test roughness
(10) absorb-discharge humid parameter, Δ MR (hydroscopicity is poor):
3 parts of fiber samples for choosing about 1g weight, are placed in the weighing bottle of known quality, are put into 60 DEG C of drying machine, take down bottle cap and cover bottle cap after preparation is 30 minutes dry and take out weighing bottle；
Weighing bottle is put into the constant temperature and humidity machine of 20 DEG C × 65%RH environment, takes down bottle cap, balance covered bottle cap after 24 hours, takes out weighing bottle, is weighed using precision balance, the quality that the quality claimed subtracts weighing bottle is sample weight W1；
Weighing bottle being put into the constant temperature and humidity machine of 30 DEG C × 90%RH environment, takes down bottle cap, balance covered bottle cap after 24 hours, took out weighing bottle, it is weighed using precision balance on the same stage, the matter claimed
It is sample weight W2 that amount, which subtracts the quality of weighing bottle,；
Weighing bottle is placed in 105 DEG C of drying machine, takes down bottle cap, after 2 hours dry, covers bottle cap taking-up, and in drying basin after room temperature cooling, weigh using precision balance on the same stage, the quality that the quality claimed subtracts weighing bottle is sample weight W3；
Calculation formula:
MR1=(W1-W3)/W3；
MR2=(W2-W3)/W3；
Hydroscopicity difference △ MR (%)=MR2-MR1；
Take the average value of 3 samples as test result.
(11) spinnability
Wire broken rate: greater than 1 time/and ton to be bad, the following are good for 1 time/ton.
Filtering pressure rises: for 0.1Mpa/h the above are bad, 0Mpa/h is good
Below with reference to embodiment, the invention will be further described.
Embodiment 1
By polyester PET chip drying to moisture 100ppm or less, small feed bin will be fed containing the master batch of 20wt% natural plant grease, the additive amount of master batch is set relative to slice gross mass as 0.5wt%, polyester PET slice and master batch enter screw extruder import after blender mixes, it is melted in screw extruder, its discharge-amount is controlled by metering pump, pass through the filament spinning component at a temperature of being controlled by spinning manifold, spin as-spun fibre, molding is cooled and solidified under cross air blasting, then is made the collection of filaments and reduced friction through fiber is uniformly oiled to oil nozzle.The fiber that oil supply boundling is over passes through spinning shaft, into first roller (1GR), then enters coiling machine after around the second roller (2GR) and batches obtained preoriented yarn POY.
Preoriented yarn POY obtained is processed on false twisting machine, and the elongation at break of the false twist yarn DTY tested is 32.3%, intensity 3.36dtex/cN, and strength and elongation product is 19.1, and fiber hydroscopicity difference △ MR (%) is 0.23.By test, the fusing point of natural plant grease is -7 DEG C, boiling point is 300 DEG C, and natural plant grease content is 0.5wt% in fiber, and natural plant grease mid-oleic is 75wt%, and squalene content is 1wt%, and grease droplet distribution is having a size of 100nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 10%, and for lag away from reducing by 10%, roughness improves 10%.Specific value is shown in Table 1.
Embodiment 2
By polyester PET chip drying to moisture 100ppm hereinafter, by small feed bin is fed containing the master batch of 30wt% natural oil, the additive amount of master batch is set relative to gross mass is sliced as 16wt%, carries out spinning and false twisting processing with embodiment 1.The elongation at break of gained DTY is 30.4%, intensity 3.41dtex/cN, and strength and elongation product is 18.8, and fiber hydroscopicity difference △ MR (%) is 0.53.By test, the fusing point of natural plant grease is -7 DEG C, 305 DEG C of boiling point, and natural plant grease content is 4.8wt% in fiber, natural plant grease mid-oleic is 85wt%, squalene content is 1.5wt%, and linoleic acid content 5wt%, grease droplet distribution is having a size of 500nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 30%, and for lag away from reducing by 30%, roughness improves 15%.Specific value is shown in Table 1.
Embodiment 3
By polyester PET chip drying to moisture 100ppm hereinafter, by small feed bin is fed containing the master batch of 50wt% natural oil, the additive amount of master batch is set relative to gross mass is sliced as 30wt%, carries out spinning and false twisting processing with embodiment 1.The elongation at break of gained DTY is 30.7%, and intensity is
3.38dtex/cN, strength and elongation product are 18.7, and fiber hydroscopicity difference △ MR (%) is 0.75.By test, the fusing point of natural plant grease is -5 DEG C, boiling point is 305 DEG C, and natural plant grease content is 15wt% in fiber, natural plant grease mid-oleic is 89wt%, squalene content is 3wt%, and linoleic acid content 8wt%, grease droplet distribution is having a size of 50nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 50%, and for lag away from reducing by 50%, roughness improves 30%.Specific value is shown in Table 1.
Embodiment 4
By nylon N6 chip drying to moisture 300ppm hereinafter, by small feed bin is fed containing the master batch of 20wt% natural oil, the additive amount of master batch is set relative to gross mass is sliced as 5wt%, carries out spinning and false twisting processing with embodiment 1.The elongation at break of gained DTY is 30.7%, intensity 4.58dtex/cN, and strength and elongation product is 25.4, and fiber hydroscopicity difference △ MR (%) is 2.5.By test, the fusing point of natural plant grease is -7 DEG C, boiling point is 300 DEG C, and natural plant grease content is 1wt% in fiber, natural plant grease mid-oleic is 90wt%, squalene content is 1wt%, and linoleic acid content 7wt%, grease droplet distribution is having a size of 100nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 13%, and for lag away from reducing by 14%, roughness improves 12%.Specific value is shown in Table 1.
Embodiment 5
By polyester PET chip drying to moisture 100ppm or less, small feed bin will be fed containing the master batch of 20wt% natural oil, the additive amount of master batch is set relative to slice gross mass as 0.5wt%, polyester PET slice and master batch enter screw extruder import after blender mixes, it is melted in screw extruder, its discharge-amount is controlled by metering pump, pass through the filament spinning component at a temperature of being controlled by spinning manifold, spin as-spun fibre, molding is cooled and solidified under the conditions of cross air blasting, then through to oil nozzle that fiber is uniform
Oiling makes the collection of filaments and reduces friction.The fiber that oil supply boundling is over passes through spinning shaft, through pre- winding apparatus interlacing, into the first hot-rolling 1HR, and on the first hot-rolling after 6~7 circle of winding, again through the second hot-rolling 2HR, also enclosed in wound thereon 6~7, the fiber after the stretching between the first hot-rolling and the second hot-rolling carries out interlacing to it by main winding apparatus under the second hot-rolling, again by the 4th roller (4GR) of third roller (3GR), fiber introducing coiling machine is coiled into finished product spinning cake (DSD).
The elongation at break for testing obtained DSD is 32.5%, and intensity 3.19dtex/cN, strength and elongation product is 18.2, and fiber hydroscopicity difference △ MR (%) is 0.22.By test, the fusing point of natural plant grease is -5 DEG C, 300 DEG C of boiling point, and natural plant grease content is 0.1wt% in fiber, and natural plant grease mid-oleic is 90wt%, and squalene content is 1wt%, and grease droplet distribution is having a size of 500nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 11%, and for lag away from reducing by 12%, roughness improves 11%.Specific value is shown in Table 1.
Embodiment 6
By polyester PET chip drying to moisture 100ppm or less, polyester PET slice enters screw extruder import, equipment will be added by liquid containing natural oil dispersion liquid simultaneously to be added in screw feed mouth, additive amount is the 5wt% that polyester PET is sliced total weight, then it is melted in screw extruder with polyester slice, its discharge-amount is controlled by metering pump, pass through the filament spinning component at a temperature of being controlled by spinning manifold, spin as-spun fibre, molding is cooled and solidified under the conditions of cross air blasting, then is made the collection of filaments and reduced friction through fiber is uniformly oiled to oil nozzle.The fiber that oil supply boundling is over passes through spinning shaft, through pre- winding apparatus interlacing, into the first hot-rolling 1HR, and on the first hot-rolling after 6~7 circle of winding, again through the second hot-rolling 2HR, also it is enclosed in wound thereon 6~7, fiber after the stretching between the first hot-rolling and the second hot-rolling carries out interlacing to it by main winding apparatus under the second hot-rolling, then by the
Fiber introducing coiling machine is coiled into finished product spinning cake (DSD) by the 4th roller (4GR) of three rollers (3GR).
The elongation at break for testing obtained DSD is 33.1%, and intensity 3.06dtex/cN, strength and elongation product is 17.6, and fiber hydroscopicity difference △ MR (%) is 0.55.By test, the fusing point of natural plant grease is -5 DEG C, boiling point is 315 DEG C, and natural plant grease content is 5wt% in fiber, and natural plant grease mid-oleic is 95wt%, and squalene content is 3wt%, and grease droplet distribution is having a size of 100nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 30%, and for lag away from reducing by 30%, roughness improves 15%.Specific value is shown in Table 1.
Embodiment 7
By polypropylene PP chip drying to moisture 100ppm or less, polypropylene PP slice enters screw extruder import, equipment will be added by liquid containing natural oil dispersion liquid simultaneously to be added in screw feed mouth, additive amount is the 5wt% that polypropylene PP is sliced total weight, then it is melted in screw extruder with polyester slice, its discharge-amount is controlled by metering pump, pass through the filament spinning component at a temperature of being controlled by spinning manifold, spin as-spun fibre, molding is cooled and solidified under the conditions of cross air blasting, then is made the collection of filaments and reduced friction through fiber is uniformly oiled to oil nozzle.The fiber that oil supply boundling is over passes through spinning shaft, through pre- winding apparatus interlacing, into the first hot-rolling 1HR, and on the first hot-rolling after 6~7 circle of winding, again through the second hot-rolling 2HR, also enclosed in wound thereon 6~7, the fiber after the stretching between the first hot-rolling and the second hot-rolling carries out interlacing to it by main winding apparatus under the second hot-rolling, again by the 4th roller (4GR) of third roller (3GR), fiber introducing coiling machine is coiled into finished product spinning cake (DSD).The elongation at break for testing obtained DSD is 53.1%, and intensity 4.06dtex/cN, strength and elongation product is 29.7, and fiber hydroscopicity difference △ MR (%) is 0.05.By test, the fusing point of natural plant grease is -5 DEG C, boiling point is 225 DEG C, and natural plant grease content is 5wt% in fiber, natural to plant
Object grease mid-oleic is 95wt%, and squalene content is 3wt%, and carotenoid 0.036wt%, grease droplet distribution is having a size of 100nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 30%, and for lag away from reducing by 30%, roughness improves 15%.Specific value is shown in Table 1.
Embodiment 8
By polythene PE chip drying to moisture 100ppm or less, polythene PE slice enters screw extruder import, equipment will be added by liquid containing natural oil dispersion liquid simultaneously to be added in screw feed mouth, additive amount is the 5wt% that polypropylene PP is sliced total weight, then it is melted in screw extruder with polyester slice, its discharge-amount is controlled by metering pump, pass through the filament spinning component at a temperature of being controlled by spinning manifold, spin as-spun fibre, molding is cooled and solidified under the conditions of cross air blasting, then is made the collection of filaments and reduced friction through fiber is uniformly oiled to oil nozzle.The fiber that oil supply boundling is over passes through spinning shaft, through pre- winding apparatus interlacing, into the first hot-rolling 1HR, and on the first hot-rolling after 6~7 circle of winding, again through the second hot-rolling 2HR, also enclosed in wound thereon 6~7, the fiber after the stretching between the first hot-rolling and the second hot-rolling carries out interlacing to it by main winding apparatus under the second hot-rolling, again by the 4th roller (4GR) of third roller (3GR), fiber introducing coiling machine is coiled into finished product spinning cake (DSD).The elongation at break for testing obtained DSD is 23.1%, and intensity 3.76dtex/cN, strength and elongation product is 18.1, and fiber hydroscopicity difference △ MR (%) is 0.05.By test, the fusing point of natural plant grease is -5 DEG C, boiling point is 235 DEG C, and natural plant grease content is 5wt% in fiber, natural plant grease mid-oleic is 95wt%, squalene content is 3wt%, and carotenoid 0.036wt%, grease droplet distribution is having a size of 100nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 30%, and for lag away from reducing by 30%, roughness improves 15%.Specific value is shown in Table 1.
Embodiment 9
By polypropylene PP chip drying to moisture 100ppm or less, polypropylene PP slice enters screw extruder import, equipment will be added by liquid containing natural oil dispersion liquid simultaneously to be added in screw feed mouth, additive amount is the 5wt% that polypropylene PP is sliced total weight, then it is melted in screw extruder with polyester slice, its discharge-amount is controlled by metering pump, pass through the filament spinning component at a temperature of being controlled by spinning manifold, spin as-spun fibre, molding is cooled and solidified under the conditions of cross air blasting, then is made the collection of filaments and reduced friction through fiber is uniformly oiled to oil nozzle.The fiber that oil supply boundling is over passes through spinning shaft, through pre- winding apparatus interlacing, into the first hot-rolling 1HR, and on the first hot-rolling after 6~7 circle of winding, again through the second hot-rolling 2HR, also enclosed in wound thereon 6~7, the fiber after the stretching between the first hot-rolling and the second hot-rolling carries out interlacing to it by main winding apparatus under the second hot-rolling, again by the 4th roller (4GR) of third roller (3GR), fiber introducing coiling machine is coiled into finished product spinning cake (DSD).The elongation at break for testing obtained DSD is 53.1%, and intensity 4.06dtex/cN, strength and elongation product is 29.7, and fiber hydroscopicity difference △ MR (%) is 0.05.By test, the fusing point of natural plant grease is -5 DEG C, boiling point is 225 DEG C, and natural plant grease content is 5wt% in fiber, and natural plant grease mid-oleic is 95wt%, and squalene content is 3wt%, and grease droplet distribution is having a size of 100nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 30%, and for lag away from reducing by 30%, roughness improves 15%.Specific value is shown in Table 1.
Embodiment 10
By polyester PET chip drying to moisture 100ppm hereinafter, by small feed bin is fed containing the master batch of 50wt% natural oil, the additive amount of master batch is set relative to gross mass is sliced as 30wt%, carries out spinning and false twisting processing with embodiment 1.The elongation at break of gained DTY is 30.7%, and intensity is
3.38dtex/cN, strength and elongation product are 18.7, and fiber hydroscopicity difference △ MR (%) is 0.65.By test, the fusing point of natural plant grease is -5 DEG C, boiling point is 305 DEG C, and natural plant grease content is 15wt% in fiber, natural plant grease mid-oleic is 50wt%, squalene content is 0.05wt%, and linoleic acid content 18wt%, grease droplet distribution is having a size of 50nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 30%, and for lag away from reducing by 25%, roughness improves 15%.Specific value is shown in Table 1.
Comparative example 1
By polyester PET chip drying to moisture 100ppm hereinafter, by small feed bin is fed containing the master batch of 20wt% natural oil, the additive amount of master batch is set relative to gross mass is sliced as 0.1wt%, carries out spinning and false twisting processing with embodiment 1.The elongation at break of gained DTY is 32.9%, intensity 3.68dtex/cN, and strength and elongation product is 21.1, and fiber hydroscopicity difference △ MR (%) is 0.20.By test, the fusing point of natural plant grease is -5 DEG C, boiling point is 300 DEG C, and natural plant grease content is 0.02wt% in fiber, natural plant grease mid-oleic is 55wt%, squalene content is 3wt%, and linoleic acid content 7wt%, grease droplet distribution is having a size of 300nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 1%, and for lag away from constant, roughness is constant, there is no apparent soft effect and a moisture absorption, surface yet not glutinous feel.Specific value is shown in Table 2.
Comparative example 2
By polyester PET chip drying to moisture 100ppm hereinafter, by small feed bin is fed containing the master batch of 50wt% natural oil, the additive amount of master batch is set relative to gross mass is sliced as 50wt%, carries out spinning and false twisting processing with embodiment 1.The elongation at break of gained DTY is 27.9%, intensity 2.79dtex/cN, and strength and elongation product is 14.7, and fiber hydroscopicity difference △ MR (%) is 0.80.Pass through
Test, the fusing point of natural plant grease is -5 DEG C, boiling point is 300 DEG C, and natural plant grease content is 25wt% in fiber, natural plant grease mid-oleic is 88.4wt%, squalene content is 3wt%, and linoleic acid content 11wt%, grease droplet distribution is having a size of 1000nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural oil with fabric made of weaving condition, bending stiffness reduces by 55%, and for lag away from reducing by 50%, roughness improves 35%, although fabric has apparent soft feeling and glutinous sense, but fiber strength and elongation product is bad.And high 27 time/ton of wire broken rate in spinning process, operability are poor.Specific value is shown in Table 2.
Comparative example 3
By polyester PET chip drying to moisture 100ppm or less, polyester PET slice enters screw extruder import, equipment will be added by liquid containing squalene dispersion liquid simultaneously to be added in screw feed mouth, additive amount is the 5wt% that polyester PET is sliced total weight, carries out spinning experiment with embodiment 6.The elongation at break for testing obtained DSD is 33.1%, and intensity 2.74dtex/cN, strength and elongation product is 15.8, and fiber hydroscopicity difference △ MR (%) is 0.20.Squalene liquid dispersion size is 4000nm.It is compared with the same kind fiber that fabric is made in 100% flexible fibre and is not added with natural plant grease with fabric made of weaving condition, bending stiffness reduces by 30%, and for lag away from reducing by 8%, roughness is constant.Although fabric bending stiffness is reduced, lag away from the change not big with roughness.Hydroscopicity does not also change, and fabric does not have glutinous feel, and filtering pressure rises 3Mpa/h, high 17 time/ton of wire broken rate to fiber during the spinning process.Specific value is shown in Table 2.
Table 1
Table 2
Claims (9)
- A kind of flexible fibre, it is characterised in that: be mainly made of thermoplastic polymer, containing the natural plant grease for accounting for 0.1~15wt% of fiber in fiber, the fusing point of the natural plant grease is at 0 DEG C hereinafter, boiling point is at 200 DEG C or more；Contain oleic acid and squalene in the natural plant grease.
- Flexible fibre according to claim 1, it is characterised in that: the natural plant grease mid-oleic is 55~97wt%.
- Flexible fibre according to claim 1 or 2, it is characterised in that: squalene content is 0.1~3wt% in the natural plant grease.
- Flexible fibre according to claim 1 or 2, it is characterised in that: contain 0.1~20wt% linoleic acid in the natural plant grease.
- Flexible fibre according to claim 1, it is characterised in that: the thermoplastic polymer is one or more of polyethylene terephthalate, nylon 6 or mutual-phenenyl two acid bromide two alcohol ester.
- Flexible fibre according to claim 1, it is characterised in that: the thermoplastic polymer is polyolefin.
- Flexible fibre according to claim 6, it is characterised in that: the polyolefin is polypropylene.
- Flexible fibre according to claim 6 or 7, it is characterised in that: also contain carotenoid in the flexible fibre.
- A kind of fabric, it is characterised in that: contain flexible fibre described in claim 1 in the fabric.
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| CN2015106831605 | 2015-10-21 | ||
| CN201510683160.5A CN106609399A (en) | 2015-10-21 | 2015-10-21 | Flexible fiber and fabric thereof |
| PCT/CN2016/102698 WO2017067473A1 (en) | 2015-10-21 | 2016-10-20 | Soft fibre and fabric thereof |
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| WO2017067473A1 (en) | 2017-04-27 |
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| CN106609399A (en) | 2017-05-03 |
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