CN109735958A - A kind of fire-retardant brocade of hydrophilic wear-resisting easy dye high-modulus washs composite short fiber and preparation method thereof - Google Patents
A kind of fire-retardant brocade of hydrophilic wear-resisting easy dye high-modulus washs composite short fiber and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of brocades that hydrophilic wear-resisting easy dye high-modulus is fire-retardant to wash composite short fiber, it is skin-core structure that the brocade, which washs composite short fiber, its raw material includes the PA6 and PET that mass ratio is (40: 60)~(60: 40), cortex PA6, sandwich layer PET.The alternative polyamide fibre of the present invention, wearability is good, acid dyes normal temperature and pressure easy dyeing product；3. wear resistant products are different from polyamide fibre and endure with all one's will feel；Using advanced totally-enclosed ring blowing cooling system, guarantee that the fiber of a units in the thousands is cooled and shaped；Suitable fire retardant is added, is processed into fire-retardant brocade and washs composite short fiber, meet fire-fighting requirements.
Description
Technical field
The present invention relates to a kind of brocades that hydrophilic wear-resisting easy dye high-modulus is fire-retardant to wash composite short fiber and preparation method thereof.
Background technique
Fypro is referred to as " polyamide fibre " in China, and Great Britain and America is referred to as nylon (nylon), and Germany claims perlon (Perlon),
The former Soviet Union claims capron (kanpoh), and Japan claims Amilan (Amilan), is that the first realizes industrialized fiber in the world, in
Beginning industrialized production in 1938.For polyamide fibre because having higher-strength, elasticity, it is excellent that good dyeability and wearability are excellent etc.
It puts and is widely recognized as by consumer, be widely used in the fields such as dress ornament textile and technical textile.
Polyester fiber, trade name terylene, China are commonly called as " really cool ", it is with p-phthalic acid (PTA) or to benzene two
Formic acid dimethyl ester (DMT) and ethylene glycol (EG) are raw material through terephthalic acid (TPA) second prepared by esterification or transesterification and polycondensation reaction
Diol ester (PET).Terylene is the maximum kind of yield on an important species and domestic market in synthetic fibers,
Not only price is relatively cheap, but also have intensity is high, modulus is high, it is heat-resisting, fast light, wear-resisting, corrosion-resistant, insulate, be well-pressed, easy to wash
The features such as quick-drying, is liked by people.
Often performance is single through fabric made from spinning for the fiber of single variety, and military service performance and comfort all cannot be very
It meets the requirements well, so it is best selection that several fibers, which are carried out blended or mixed yarn, at present.For this purpose, by terylene and polyamide fibre
Composite fibre is made by composite spinning technology, has given full play to respective performance characteristics, has met the market demand significantly.
Existing market has brocade and washs bicomponent filament yarn product, is not suitable for short fine application field.Long filament production spinneret is small, spinneret
Hole is few, and spinning station causes low output, high production cost more.
Brocade, which washs composite short fiber, can be applied to the manufacture fields such as spinning, needle thorn, loop bonding, the row such as fabric, carpet, non-woven fabrics
Industry.Short fiber production process greatly improves yield, reduces production cost.
Summary of the invention
It is an object of the invention to wash the defect that bicomponent filament yarn product is not suitable for short fine application field to solve existing brocade
And the fire-retardant brocade of the hydrophilic wear-resisting easy dye high-modulus of one kind is provided and washs composite short fiber and preparation method thereof.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of fire-retardant brocade of hydrophilic wear-resisting easy dye high-modulus washs composite short fiber, and it is core-skin type knot that the brocade, which washs composite short fiber,
Structure, raw material include the PA6 and PET that mass ratio is (40: 60)~(60: 40), cortex PA6, sandwich layer PET.In this technology
In scheme, brocade, which washs composite short fiber, can be applied to the manufacture fields such as spinning, needle thorn, loop bonding, the industries such as fabric, carpet, non-woven fabrics.
Short fiber production process greatly improves yield, reduces production cost.The production of core component application regenerative PET, data recycling meet ring
Border protection requires.Suitable fire retardant is added, is processed into fire-retardant brocade and washs composite short fiber, meet fire-fighting requirements.
Preferably, the fiber number that brocade washs composite short fiber is 2D-25D, length 32-190mm.
Preferably, PA6 is by being modified before preparing brocade and washing composite short fiber.
Preferably, the method for modifying are as follows: PA6 is put into container, then adds ethyl alcohol into container, impregnates 3-5h；Again
0.5% 3-hydroxybutyrate -4 hydroxybutyric acid the copolyesters or fire retardant of PA6 mass is added, is warming up to 60 DEG C after 15min, then
Addition and 3-hydroxybutyrate -4 hydroxybutyric acid copolyesters phase homogenous quantities cellulose acetate, are warming up to 90 DEG C, 1200rpm's
1h is reacted under revolving speed, is then soaked in irradiation liquid and is impregnated 60-70min, carry out electron beam irradiation after taking-up to it, irradiates voltage
For 150-180kV, irradiation electric current is 2.5-4mA, irradiation 40-55kGy, in 45-50 DEG C of condition after electron beam irradiation
Lower dry 60-80min obtains modified Pa 6.In the technical scheme, PA6 uses 3-hydroxybutyrate -4- hydroxyl fourth by being modified
Sour copolyesters promotes the mechanical property of PA6, if tearing strength is through to/broadwise, ultimate strength etc.；Increased using cellulose acetate
The antistatic effect and wearability of PA6；It is twice-modified to the fiber progress electron beam irradiation after reaction, it is irradiated modified
The free radical generated on fiber increases, and cellulose acetate can be generated free radicals through electron beam irradiation modified, and it is existing that ionic copolymerization occurs
As abrasive resistance and antistatic effect enhancing.
A kind of brocade that hydrophilic wear-resisting easy dye high-modulus is fire-retardant washs the preparation method of composite short fiber, the preparation method packet
It includes: raw material drying-melt spinning-is wound-and falls bucket-boundling-drawing-off-curling-drying and shaping-cutting-packing.
Preferably, the raw material drying is that PA6 is dry to moisture content < 400PPM, PET moisture content < 100PPM.
Preferably, for PA6 into sub-screw, each area's temperature is 245 DEG C, 255 DEG C, 265 DEG C, 275 DEG C in the melt spinning
With 275 DEG C, flange and return bend temperature are 278 DEG C, 280 DEG C of spin manifold temperature；For PET into driving screw, each area's temperature is 275 DEG C, 285
DEG C, 290 DEG C, 295 DEG C with 290 DEG C, flange and return bend temperature are 285 DEG C, 285 DEG C of spin manifold temperature；16-17 DEG C of circular blow temperature,
Circular blow wind pressure 1500-1800HZ；Spinneret specification is the hole 380-1550.Circular blow uses totally-enclosed ring blowing cooling system.
Preferably, five roller speeds are 745-1050m/min in the winding, feeding wheel speed is 820-1150m/
Min, boundling denier are 125-150 ten thousand.
Preferably, rear speed of spinning is 150-160m/min, and oil sump temperature is 68-73 DEG C, steam box temperature in spinning after described
Degree is 75-80 DEG C, and small steam chest temperature is 50 DEG C, draft ratio 290*1.02-3.02-1, and drying hair machine vapor (steam) temperature is 135
℃。
Preferably, PA6 is by modification, method of modifying are as follows: PA6 is put into container, then adds ethyl alcohol into container, is impregnated
3-5h；3-hydroxybutyrate -4 hydroxybutyric acid the copolyesters or fire retardant of the 0.5% of PA6 mass are added, is warming up to after 15min
60 DEG C, add with 3-hydroxybutyrate -4 hydroxybutyric acid copolyesters phase homogenous quantities cellulose acetate, be warming up to 90 DEG C,
1h is reacted under the revolving speed of 1200rpm, is then soaked in irradiation liquid and is impregnated 60-70min, electron beam spoke is carried out to it after taking-up
Be 150-180kV according to, irradiation voltage, irradiation electric current is 2.5-4mA, irradiation 40-55kGy, after electron beam irradiation
Dry 60-80min obtains modified Pa 6 under the conditions of 45-50 DEG C.
The beneficial effects of the present invention are: the alternative polyamide fibre of the present invention, wearability is good, and acid dyes normal temperature and pressure easy dyeing produces
Product；3. wear resistant products are different from polyamide fibre and endure with all one's will feel；Using advanced totally-enclosed ring blowing cooling system, guarantee a units with
Thousands of fiber is cooled and shaped；Suitable fire retardant is added, is processed into fire-retardant brocade and washs composite short fiber, meet fire-fighting requirements.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further explained:
Screw rod uses: 1, polyamide fibre φ 135mm screw rod (shallow slot).
2, terylene φ 135mm screw rod, deeper channel screw rod adapt to primary slice and reclaiming bottle piece.
Embodiment 1
A kind of fire-retardant brocade of hydrophilic wear-resisting easy dye high-modulus washs composite short fiber, and it is core-skin type knot that the brocade, which washs composite short fiber,
Structure, raw material include the PA6 and PET that mass ratio is 40: 60, cortex PA6, sandwich layer PET.Preparation method includes: that raw material is dry
Dry-melt spinning-is wound-falls bucket-boundling-drawing-off-curling-drying and shaping-cutting-packing.
Specific preparation step is shown in Table 1.
Table 1, preparation step
Semi-finished product and the end properties detection of preparation are shown in Table 2.
Table 2, performance detection
Head applies example 2
A kind of fire-retardant brocade of hydrophilic wear-resisting easy dye high-modulus washs composite short fiber, and it is core-skin type knot that the brocade, which washs composite short fiber,
Structure, raw material include the PA6 and PET that mass ratio is 60: 40, cortex PA6, sandwich layer PET.Preparation method includes: that raw material is dry
Dry-melt spinning-is wound-falls bucket-boundling-drawing-off-curling-drying and shaping-cutting-packing.
Specific preparation step is shown in Table 3.
Table 3, preparation step
The end properties detection of preparation is shown in Table 4.
Table 4, performance detection
Embodiment 3
A kind of fire-retardant brocade of hydrophilic wear-resisting easy dye high-modulus washs composite short fiber, and it is core-skin type knot that the brocade, which washs composite short fiber,
Structure, raw material include the PA6 and PET that mass ratio is 60: 40, cortex PA6, sandwich layer PET.Preparation method includes: that raw material is dry
Dry-melt spinning-is wound-falls bucket-boundling-drawing-off-curling-drying and shaping-cutting-packing.
Specific preparation step is shown in Table 5.
Table 5, preparation step
The end properties detection of preparation is shown in Table 6.
Table 6, performance detection
Embodiment 4
Preparation method is same as Example 1 with raw material, unique the difference is that PA6 is modified by following methods: PA6 is put into container
In, then add ethyl alcohol into container, impregnate 3-5h；Add 3-hydroxybutyrate -4 hydroxybutyric acid copolymerization of the 0.5% of PA6 mass
Ester is warming up to 60 DEG C after 15min, add with 3-hydroxybutyrate -4 hydroxybutyric acid copolyesters phase homogenous quantities cellulose acetate,
90 DEG C are warming up to, 1h is reacted under the revolving speed of 1200rpm, is then soaked in irradiation liquid and impregnates 60-70min, to it after taking-up
Electron beam irradiation is carried out, irradiation voltage is 150-180kV, and irradiation electric current is 2.5-4mA, irradiation 40-55kGy, electron beam
Dry 60-80min obtains modified Pa 6 under the conditions of 45-50 DEG C after irradiation.
Embodiment 5
Preparation method is same as Example 1 with raw material, unique the difference is that PA6 is modified by following methods: PA6 is put into container
In, then add ethyl alcohol into container, impregnate 3-5h；0.5% fire retardant of PA6 mass is added, is warming up to 60 DEG C after 15min,
The cellulose acetate with fire retardant phase homogenous quantities is added, is warming up to 90 DEG C, 1h is reacted under the revolving speed of 1200rpm, is then soaked
It steeps and impregnates 60-70min in irradiation liquid, carry out electron beam irradiation after taking-up to it, irradiation voltage is 150-180kV, irradiation electricity
Flowing is 2.5-4mA, irradiation 40-55kGy, and dry 60-80min is obtained under the conditions of 45-50 DEG C after electron beam irradiation
Modified Pa 6.Fire retardant herein can be common fire retardant on the market, be also possible to be exclusively used in the fire retardant of PA6.
Brocade, which is washed, is shown in Table 7 with the data of commercially available polyamide fibre and terylene ratio
Table 7, data comparison
Claims (10)
1. a kind of brocade that hydrophilic wear-resisting easy dye high-modulus is fire-retardant washs composite short fiber, which is characterized in that the brocade washs compound short fibre
Dimension is skin-core structure, and raw material includes the PA6 and PET that mass ratio is (40: 60)~(60: 40), cortex PA6, and sandwich layer is
PET。
2. the fire-retardant brocade of the hydrophilic wear-resisting easy dye high-modulus of one kind according to claim 1 washs composite short fiber, feature exists
In the fiber number that brocade washs composite short fiber is 2D-25D, length 32-190mm.
3. the fire-retardant brocade of the hydrophilic wear-resisting easy dye high-modulus of one kind according to claim 1 washs composite short fiber, feature exists
In before preparing brocade and washing composite short fiber, PA6 is by being modified.
4. the fire-retardant brocade of the hydrophilic wear-resisting easy dye high-modulus of one kind according to claim 3 washs composite short fiber, feature exists
In the method for modifying are as follows: PA6 is put into container, then adds ethyl alcohol into container, impregnates 3-5h；Add PA6 mass
0.5% 3-hydroxybutyrate -4 hydroxybutyric acid copolyesters or fire retardant are warming up to 60 DEG C after 15min, add and 3- hydroxyl fourth
Acid -4 hydroxybutyric acid copolyesters phase homogenous quantities cellulose acetate, is warming up to 90 DEG C, 1h is reacted under the revolving speed of 1200rpm, so
After be soaked in irradiation liquid and impregnate 60-70min, carry out electron beam irradiation after taking-up to it, irradiation voltage is 150-180kV, spoke
Be 2.5-4mA, irradiation 40-55kGy according to electric current, after electron beam irradiation under the conditions of 45-50 DEG C dry 60-80min
Obtain modified Pa 6.
5. a kind of brocade that hydrophilic wear-resisting easy dye high-modulus as described in claim 1 is fire-retardant washs the preparation method of composite short fiber,
It is characterized in that, the preparation method includes: raw material drying ,-melt spinning-is wound-it is fixed to fall bucket-boundling-drawing-off-curling-drying
Type-cutting-packing.
6. the preparation side that the fire-retardant brocade of the hydrophilic wear-resisting easy dye high-modulus of one kind according to claim 5 washs composite short fiber
Method, which is characterized in that the raw material drying is that PA6 is dry to moisture content < 400PPM, PET moisture content < 100PPM.
7. the preparation side that the fire-retardant brocade of the hydrophilic wear-resisting easy dye high-modulus of one kind according to claim 5 washs composite short fiber
Method, which is characterized in that in the melt spinning, PA6 into sub-screw, each area's temperature is 245 DEG C, 255 DEG C, 265 DEG C, 275 DEG C with
275 DEG C, flange and return bend temperature are 278 DEG C, and 280 DEG C of spin manifold temperature；For PET into driving screw, each area's temperature is 275 DEG C, 285
DEG C, 290 DEG C, 295 DEG C with 290 DEG C, flange and return bend temperature are 285 DEG C, 285 DEG C of spin manifold temperature；16-17 DEG C of circular blow temperature,
Circular blow wind pressure 1500-1800HZ；Spinneret specification is the hole 380-1550.
8. the preparation side that the fire-retardant brocade of the hydrophilic wear-resisting easy dye high-modulus of one kind according to claim 5 washs composite short fiber
Method, which is characterized in that in the winding, five roller speeds are 745-1050m/min, and feeding wheel speed is 820-1150m/min, collection
Beam denier is 125-150 ten thousand.
9. the preparation side that the fire-retardant brocade of the hydrophilic wear-resisting easy dye high-modulus of one kind according to claim 5 washs composite short fiber
Method, which is characterized in that in spinning after described, rear speed of spinning is 150-160m/min, and oil sump temperature is 68-73 DEG C, steam chest temperature
It is 75-80 DEG C, small steam chest temperature is 50 DEG C, draft ratio 290*1.02-3.02-1, and drying hair machine vapor (steam) temperature is 135 DEG C.
10. the preparation side that the fire-retardant brocade of the hydrophilic wear-resisting easy dye high-modulus of one kind according to claim 5 washs composite short fiber
Method, which is characterized in that PA6 is by being modified, method of modifying are as follows: PA6 is put into container, then adds ethyl alcohol into container, impregnates 3-
5h；3-hydroxybutyrate -4 hydroxybutyric acid the copolyesters or fire retardant of the 0.5% of PA6 mass are added, is warming up to 60 after 15min
DEG C, add with 3-hydroxybutyrate -4 hydroxybutyric acid copolyesters phase homogenous quantities cellulose acetate, be warming up to 90 DEG C,
1h is reacted under the revolving speed of 1200rpm, is then soaked in irradiation liquid and is impregnated 60-70min, electron beam spoke is carried out to it after taking-up
Be 150-180kV according to, irradiation voltage, irradiation electric current is 2.5-4mA, irradiation 40-55kGy, after electron beam irradiation
Dry 60-80min obtains modified Pa 6 under the conditions of 45-50 DEG C.
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| CN110685037A (en) * | 2019-11-11 | 2020-01-14 | 南通新帝克单丝科技股份有限公司 | High-strength wear-resistant zipper monofilament and production method thereof |
| CN111764163A (en) * | 2020-07-23 | 2020-10-13 | 浙江乐森科技有限公司 | Production process of antibacterial flame-retardant composite fabric |
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Application publication date: 20190510 |