CN108866671A - A kind of polyester staple fiber and preparation method thereof - Google Patents
A kind of polyester staple fiber and preparation method thereof Download PDFInfo
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- CN108866671A CN108866671A CN201810755476.4A CN201810755476A CN108866671A CN 108866671 A CN108866671 A CN 108866671A CN 201810755476 A CN201810755476 A CN 201810755476A CN 108866671 A CN108866671 A CN 108866671A
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- mass parts
- polyester staple
- staple fiber
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- pet bottle
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Classifications
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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
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- 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
- D01F1/07—Addition of substances to the spinning solution or to the melt for making fire- or flame-proof filaments
-
- 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
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
Abstract
The invention discloses a kind of polyester staple fibers and preparation method thereof, are made of following parts by weight of component：PET bottle 100-200 mass parts, polycarbonate 2-4 mass parts, aluminium hydroxide 1-2 mass parts, magnesium hydroxide 1-2 mass parts, glass fibre 50-90 mass parts, curing agent 1-5 mass parts, coupling agent 1-2 mass parts, lubricant 1-2 mass parts, brightening agent 1-2 mass parts, compatilizer 1-4 mass parts, dispersing agent 2-4 mass parts, softening agent 2-4 mass parts and grain refiner 2-4 mass parts, the present invention relates to polyester staple fiber technical fields.The polyester staple fiber, increase polyester staple fiber anti-static ability is reached, and increase that its translucency, surface be smooth and wearing comfort, make its more beautiful safety, improve the quality of polyester staple fiber, the ability that polyester staple fiber has anti-flammability is realized simultaneously, is guaranteed that polyester staple fiber guarantees that personnel are not burnt in particular surroundings and occasion, is improved the purpose of production quality.
Description
Technical field
The present invention relates to polyester staple fiber technical field, specially a kind of polyester staple fiber.
Background technique
Terylene short fiber is that the fiber obtained after tow is cut off is respinned by polyester.PET is wide in variety in rice-shaped or sheet
Sample vary in color (usually we to contact the main component of many beverage bottles is exactly polyester, he is sliced, generally by preceding spinning and
Terylene short fiber can be produced by spinning twice master operation afterwards, and by different demands, different size can be cut into rear spinning
Terylene short fiber, usually 4D-22D's, it is segmented into two kinds of two and three dimensions again by the case where its curling).75% is used for chemical fibre
Terylene short fiber peacekeeping polyester filament is manufactured by textile industry requirement with terylene.
Terylene is an important species in synthetic fibers, is the product name of China's polyester fiber.It is with essence to benzene two
Formic acid (PTA) or dimethyl terephthalate (DMT) (DMT) and ethylene glycol (MEG) be raw material through esterification or transesterification and polycondensation reaction and
Fiber-forming polymer obtained --- polyethylene terephthalate (PET) through spinning and post-processes manufactured fiber.
Polyester staple fiber mainly supplies textile industry enterprise, and purposes is very extensive, and clothing can be used for making each imitative silk, imitate
Hair clothes and ornaments, decorative kind are used as fabrics and the automotive interior trims such as sofa, furniture, curtain, patch wall, carpet, rain cape, umbrella cover
Cloth, prevailing quality characteristic index have line density, the line density coefficient of variation, breaking strength, the breaking strength coefficient of variation, fracture to stretch
Long rate, elongation at break coefficient of variation etc..
Polyester staple fiber easily burns encountering open fire at present, poor safety performance, at the same polyester staple fiber do not have prevent it is quiet
Electric energy power can generate electrostatic in storage transport, be that comfort level is low to human body dress, be unfavorable for terylene limit and weaving and decorating
The development of industry, and the pollution in production process is big, and product quality is low.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of polyester staple fibers, solve current polyester staple fiber and exist
It encounters open fire easily to burn, poor safety performance, while polyester staple fiber does not have anti-static ability, can be generated in storage transport
Electrostatic is that comfort level is low to human body dress, is unfavorable for terylene limit in the development of weaving and decoration industry, and in production process
Pollution it is big, the low problem of product quality.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of polyester staple fiber, feature exist
In being made of following parts by weight of component：PET bottle 100-200 mass parts, polycarbonate 2-4 mass parts, aluminium hydroxide 1-2 mass
Part, magnesium hydroxide 1-2 mass parts, glass fibre 50-90 mass parts, curing agent 1-5 mass parts, coupling agent 1-2 mass parts, lubrication
Agent 1-2 mass parts, brightening agent 1-2 mass parts, compatilizer 1-4 mass parts, dispersing agent 2-4 mass parts, softening agent 2-4 mass parts and
Grain refiner 2-4 mass parts.
Contain aluminium hydroxide, magnesium hydroxide and glass fibre in the present invention, aluminium hydroxide, that magnesium hydroxide is added to terylene is short
Has good flame retardant effect in fiber, the glass fibre of addition also has flame retardant effect, while also increasing its corrosion resistance
And wearability.
Contain polycarbonate and grain refiner in the present invention, guarantees also to increase while polyester staple fiber has antistatic
Its plasticity and toughness.
Preferably, it is made of following parts by weight of component：150 mass parts of PET bottle, 3 mass parts of polycarbonate, aluminium hydroxide
1.5 mass parts, 1.5 mass parts of magnesium hydroxide, 70 mass parts of glass fibre, 3 mass parts of curing agent, 1.5 mass parts of coupling agent, profit
1.5 mass parts of lubrication prescription, 1.5 mass parts of brightening agent, 2.5 mass parts of compatilizer, 3 mass parts of dispersing agent, 3 mass parts of softening agent and crystalline substance
Grain 3 mass parts of fining agent.
Preferably, include the following steps：
Step 1: 150 parts of PET bottle are cleaned up, surface moisture is dried, equivalent slice is carried out to 150 parts of PET bottles, is cut
Piece PET is spare, and 1.5 mass parts of aluminium hydroxide, 1.5 mass parts of magnesium hydroxide, 1.5 mass parts of coupling agent and profit are added into container
1.5 mass parts of lubrication prescription are stirring uniformly to obtain special fire retardant by blender；
Step 2: being heated to 130 DEG C for 3 parts of polycarbonate, then 70 parts of glass fibre are added thereto, temperature promotion is arrived
600 DEG C, while being stirred evenly using Special dispersing blender spare；
Step 3: sufficiently molten by the progress of 3 mass parts of softening agent is added in the PET bottle raw material of 150 parts in step 1 slices
Solution, after dissolution after PET bottle piece be put into special blender, then into container be added step 1 preparation speciality fire retardant, protect
It holds and stir one hour under conditions of the temperature of PET bottle piece dissolution, then temperature is promoted to 600 DEG C while being added in step 2 and prepares
Raw material, and uniform stirring one hour；
Step 4: 3 mass parts of curing agent, 1.5 mass parts of brightening agent, compatilizer are added in the raw material prepared to step 3
3 mass parts of 2.5 mass parts, 3 mass parts of dispersing agent and grain refiner keep stirring under conditions of the temperature of PET bottle piece dissolution
Two hours；
Step 5: the mixed raw material dissolved in step 4 is added in spinning manifold, raw material is uniformly sent to and is equipped with
In the filament spinning component of filter screen, filters out impurity and sprayed from spinneret later, form as-spun fibre；
Step 6: as-spun fibre is through ring-like secondary air cooling, raw fiber enters winding panel by slinning cabinet, using upper
Boundling enters feeding-wheel after oil tanker oils, and as-spun fibre tow is guided by guiding machine, into immersion cell；
Step 7: carrying out second of drawing-off after immersion oil between the first drafting machine and the second drafting machine, total draft multiple is completed
80%；
Step 8: carrying out second of drawing-off between the second drafting machine and third drafting machine, total draft multiple is completed
20%, after drawing-off twice, fiber obtains sufficient orientation texture；
Step 9: the fiber after drawing-off enters laxation shaping after folded silk, preheating, curling, cutting according to production requirement
Machine, it is qualitative after fiber quality detection, qualified product carries out class wrapping.
Preferably, PET bottle is put into strainer in step 1, then it is 5%NaOH that mass fraction will be put into equipped with PET bottle strainer
In solution, NaOH solution temperature setting is 100 DEG C, is impregnated one hour, and the PET bottle after immersion, which drains away the water, to be put into cleaning machine clearly
It washes.
Preferably, PET bottle solution temperature is 262 ± 2 DEG C in step 3, viscosity 0.52-0.58dl/g.
Preferably, in step 5 inside immersion cell equipped with oil solution dedicated, it is oil solution dedicated by antistatic agent, dispersing agent, silicone oil
Composition.
Preferably, at 130 DEG C, the fiber filament after oiling is fixed through heat setting machine for the temperature control of heat setting machine in step 9
Type, volatile quantity are no more than 0.1%.
Preferably, glass fibre uses length for 12mm glass fibre.
Preferably, the NaOH solution after immersion recycles in operation.
Preferably, the pyrolysis devolatilization amount of PET bottle is no more than 0.1% in step 3.
The beneficial effects of the invention are as follows：Aluminium hydroxide, magnesium hydroxide and glass fibre, hydroxide is added to polyester staple fiber
Aluminium and magnesium hydroxide are good fire retardants, so that the ignition point of polyester staple fiber is improved, the polycarbonate antistatic effect of addition
Fruit is strong, while increasing its translucency and surface is smooth, makes its more beautiful safety, using temperature in polyester staple fiber preparation method
Grade heating is spent, the temperature according to the dissolution of different materials divides gradation levels to melt raw material, guarantees in raw material adition process not
It is destroyed, while keeping dissolved state in mixing process, and dissolve viscosity and be maintained at 0.52-0.58dl/g, mention
The quality of production of high polyester staple fiber.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment one
A kind of polyester staple fiber is made of following parts by weight of component：100 mass parts of PET bottle, 2 mass parts of polycarbonate, hydrogen
1 mass parts of aluminium oxide, 1 mass parts of magnesium hydroxide, 50 mass parts of glass fibre, 1 mass parts of curing agent, 1 mass parts of coupling agent, profit
1 mass parts of lubrication prescription, 1 mass parts of brightening agent, 1 mass parts of compatilizer, 2 mass parts of dispersing agent, 2 mass parts of softening agent and crystal grain refinement
2 mass parts of agent.
Step 1: 100 mass parts of PET bottle are cleaned up, surface moisture is dried, equivalent is carried out to 100 mass parts PET bottles
Slice, slice PET it is spare, into container be added 1 mass parts of aluminium hydroxide, 1 mass parts of magnesium hydroxide, 1 mass parts of coupling agent and
1 mass parts of lubricant are stirring uniformly to obtain special fire retardant by blender；
Step 2: being heated to 130 DEG C for 2 parts of polycarbonate, then 50 parts of glass fibre are added thereto, temperature promotion is arrived
600 DEG C, while being stirred evenly using Special dispersing blender spare；
Step 3: sufficiently molten by the progress of 2 mass parts of softening agent is added in the PET bottle raw material of 100 parts in step 1 slices
Solution, after dissolution after PET bottle piece be put into special blender, then into container be added step 1 preparation speciality fire retardant, protect
It holds and stir one hour under conditions of the temperature of PET bottle piece dissolution, then temperature is promoted to 600 DEG C while being added in step 2 and prepares
Raw material, and uniform stirring one hour；
Step 4: 2 mass parts of curing agent, 1 mass parts of brightening agent, 1 matter of compatilizer are added in the raw material prepared to step 3
Part, 2 mass parts of 2 mass parts of dispersing agent and grain refiner are measured, keeps stirring two under conditions of the temperature of PET bottle piece dissolution small
When；
Step 5: the mixed raw material dissolved in step 4 is added in spinning manifold, raw material is uniformly sent to and is equipped with
In the filament spinning component of filter screen, filters out impurity and sprayed from spinneret later, form as-spun fibre；
Step 6: as-spun fibre is through ring-like secondary air cooling, raw fiber enters winding panel by slinning cabinet, using upper
Boundling enters feeding-wheel after oil tanker oils, and as-spun fibre tow is guided by guiding machine, into immersion cell；
Step 7: carrying out second of drawing-off after immersion oil between the first drafting machine and the second drafting machine, total draft multiple is completed
80%；
Step 8: carrying out second of drawing-off between the second drafting machine and third drafting machine, total draft multiple is completed
20%, after drawing-off twice, fiber obtains sufficient orientation texture；
Step 9: the fiber after drawing-off enters laxation shaping after folded silk, preheating, curling, cutting according to production requirement
Machine, it is qualitative after fiber quality detection, qualified product carries out class wrapping.
PET bottle is put into strainer in step 1, then will equipped with PET bottle strainer be put into mass fraction be 5%NaOH solution in,
NaOH solution temperature setting is 100 DEG C, is impregnated one hour, the PET bottle after immersion drains away the water to be put into cleaning machine and clean.Step
PET bottle solution temperature is 262 ± 2 DEG C in three, viscosity 0.52-0.58dl/g.Special oil is housed inside immersion cell in step 5
Agent, it is oil solution dedicated to be made of antistatic agent, dispersing agent, silicone oil.The temperature of heat setting machine is controlled at 130 DEG C in step 9, is oiled
Fiber filament afterwards is formed through heat setting machine, and volatile quantity is no more than 0.1%.Glass fibre uses length for 12mm glass fibre.
NaOH solution after immersion recycles in operation.The pyrolysis devolatilization amount of PET bottle is no more than 0.1% in step 3.
Embodiment two
A kind of polyester staple fiber is made of following parts by weight of component：150 mass parts of PET bottle, 3 mass parts of polycarbonate, hydrogen
1.5 mass parts of aluminium oxide, 1.5 mass parts of magnesium hydroxide, 70 mass parts of glass fibre, 3 mass parts of curing agent, 1.5 matter of coupling agent
Measure part, 1.5 mass parts of lubricant, 1.5 mass parts of brightening agent, 2.5 mass parts of compatilizer, 3 mass parts of dispersing agent, 3 matter of softening agent
Measure part and 3 mass parts of grain refiner.
Step 1: 150 mass parts of PET bottle are cleaned up, surface moisture is dried, equivalent is carried out to 150 mass parts PET bottles
Slice, slice PET is spare, and 1.5 mass parts of aluminium hydroxide, 1.5 mass parts of magnesium hydroxide, 1.5 matter of coupling agent are added into container
Part and 1.5 mass parts of lubricant are measured, special fire retardant is stirring uniformly to obtain by blender；
Step 2: being heated to 130 DEG C for 3 parts of polycarbonate, then 70 parts of glass fibre are added thereto, temperature promotion is arrived
600 DEG C, while being stirred evenly using Special dispersing blender spare；
Step 3: sufficiently molten by the progress of 3 mass parts of softening agent is added in the PET bottle raw material of 150 parts in step 1 slices
Solution, after dissolution after PET bottle piece be put into special blender, then into container be added step 1 preparation speciality fire retardant, protect
It holds and stir one hour under conditions of the temperature of PET bottle piece dissolution, then temperature is promoted to 600 DEG C while being added in step 2 and prepares
Raw material, and uniform stirring one hour；
Step 4: 3 mass parts of curing agent, 1.5 mass parts of brightening agent, compatilizer are added in the raw material prepared to step 3
3 mass parts of 2.5 mass parts, 3 mass parts of dispersing agent and grain refiner keep stirring under conditions of the temperature of PET bottle piece dissolution
Two hours；
Step 5: the mixed raw material dissolved in step 4 is added in spinning manifold, raw material is uniformly sent to and is equipped with
In the filament spinning component of filter screen, filters out impurity and sprayed from spinneret later, form as-spun fibre；
Step 6: as-spun fibre is through ring-like secondary air cooling, raw fiber enters winding panel by slinning cabinet, using upper
Boundling enters feeding-wheel after oil tanker oils, and as-spun fibre tow is guided by guiding machine, into immersion cell；
Step 7: carrying out second of drawing-off after immersion oil between the first drafting machine and the second drafting machine, total draft multiple is completed
80%；
Step 8: carrying out second of drawing-off between the second drafting machine and third drafting machine, total draft multiple is completed
20%, after drawing-off twice, fiber obtains sufficient orientation texture；
Step 9: the fiber after drawing-off enters laxation shaping after folded silk, preheating, curling, cutting according to production requirement
Machine, it is qualitative after fiber quality detection, qualified product carries out class wrapping.
PET bottle is put into strainer in step 1, then will equipped with PET bottle strainer be put into mass fraction be 5%NaOH solution in,
NaOH solution temperature setting is 100 DEG C, is impregnated one hour, the PET bottle after immersion drains away the water to be put into cleaning machine and clean.Step
PET bottle solution temperature is 262 ± 2 DEG C in three, viscosity 0.52-0.58dl/g.Special oil is housed inside immersion cell in step 5
Agent, it is oil solution dedicated to be made of antistatic agent, dispersing agent, silicone oil.The temperature of heat setting machine is controlled at 130 DEG C in step 9, is oiled
Fiber filament afterwards is formed through heat setting machine, and volatile quantity is no more than 0.1%.Glass fibre uses length for 12mm glass fibre.
NaOH solution after immersion recycles in operation.The pyrolysis devolatilization amount of PET bottle is no more than 0.1% in step 3.
Example three
A kind of polyester staple fiber is made of following parts by weight of component：200 mass parts of PET bottle, 4 mass parts of polycarbonate, hydrogen
2 mass parts of aluminium oxide, 2 mass parts of magnesium hydroxide, 90 mass parts of glass fibre, 5 mass parts of curing agent, 2 mass parts of coupling agent, profit
2 mass parts of lubrication prescription, 2 mass parts of brightening agent, 4 mass parts of compatilizer, 4 mass parts of dispersing agent, 4 mass parts of softening agent and crystal grain refinement
4 mass parts of agent.
Step 1: 200 mass parts of PET bottle are cleaned up, surface moisture is dried, equivalent is carried out to 200 mass parts PET bottles
Slice, slice PET it is spare, into container be added 2 mass parts of aluminium hydroxide, 2 mass parts of magnesium hydroxide, 2 mass parts of coupling agent and
2 mass parts of lubricant are stirring uniformly to obtain special fire retardant by blender；
Step 2: being heated to 130 DEG C for 4 parts of polycarbonate, then 90 parts of glass fibre are added thereto, temperature promotion is arrived
600 DEG C, while being stirred evenly using Special dispersing blender spare；
Step 3: sufficiently molten by the progress of 4 mass parts of softening agent is added in the PET bottle raw material of 200 parts in step 1 slices
Solution, after dissolution after PET bottle piece be put into special blender, then into container be added step 1 preparation speciality fire retardant, protect
It holds and stir one hour under conditions of the temperature of PET bottle piece dissolution, then temperature is promoted to 600 DEG C while being added in step 2 and prepares
Raw material, and uniform stirring one hour；
Step 4: 5 mass parts of curing agent, 2 mass parts of brightening agent, 4 matter of compatilizer are added in the raw material prepared to step 3
Part, 4 mass parts of 4 mass parts of dispersing agent and grain refiner are measured, keeps stirring two under conditions of the temperature of PET bottle piece dissolution small
When；
Step 5: the mixed raw material dissolved in step 4 is added in spinning manifold, raw material is uniformly sent to and is equipped with
In the filament spinning component of filter screen, filters out impurity and sprayed from spinneret later, form as-spun fibre；
Step 6: as-spun fibre is through ring-like secondary air cooling, raw fiber enters winding panel by slinning cabinet, using upper
Boundling enters feeding-wheel after oil tanker oils, and as-spun fibre tow is guided by guiding machine, into immersion cell；
Step 7: carrying out second of drawing-off after immersion oil between the first drafting machine and the second drafting machine, total draft multiple is completed
80%；
Step 8: carrying out second of drawing-off between the second drafting machine and third drafting machine, total draft multiple is completed
20%, after drawing-off twice, fiber obtains sufficient orientation texture；
Step 9: the fiber after drawing-off enters laxation shaping after folded silk, preheating, curling, cutting according to production requirement
Machine, it is qualitative after fiber quality detection, qualified product carries out class wrapping.
PET bottle is put into strainer in step 1, then will equipped with PET bottle strainer be put into mass fraction be 5%NaOH solution in,
NaOH solution temperature setting is 100 DEG C, is impregnated one hour, the PET bottle after immersion drains away the water to be put into cleaning machine and clean.Step
PET bottle solution temperature is 262 ± 2 DEG C in three, viscosity 0.52-0.58dl/g.Special oil is housed inside immersion cell in step 5
Agent, it is oil solution dedicated to be made of antistatic agent, dispersing agent, silicone oil.The temperature of heat setting machine is controlled at 130 DEG C in step 9, is oiled
Fiber filament afterwards is formed through heat setting machine, and volatile quantity is no more than 0.1%.Glass fibre uses length for 12mm glass fibre.
NaOH solution after immersion recycles in operation.The pyrolysis devolatilization amount of PET bottle is no more than 0.1% in step 3.
The embodiment of the present invention and the polyester staple fiber table of comparisons
From above table as can be seen that compared with ordinary polyester staple fiber, the present invention has good anti-flammability, simultaneously
Anti-static ability is strong, and appearance gloss and wearing comfort are high, improves the integrated quality of polyester staple fiber.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of polyester staple fiber, which is characterized in that be made of following parts by weight of component：PET bottle 100-200 mass parts, poly- carbon
Acid esters 2-4 mass parts, aluminium hydroxide 1-2 mass parts, magnesium hydroxide 1-2 mass parts, glass fibre 50-90 mass parts, curing agent
1-5 mass parts, lubricant 1-2 mass parts, brightening agent 1-2 mass parts, compatilizer 1-4 mass parts, are divided at coupling agent 1-2 mass parts
Powder 2-4 mass parts, softening agent 2-4 mass parts and grain refiner 2-4 mass parts.
2. a kind of polyester staple fiber according to claim 1, it is characterised in that：It is made of following parts by weight of component：PET bottle
150 mass parts, 3 mass parts of polycarbonate, 1.5 mass parts of aluminium hydroxide, 1.5 mass parts of magnesium hydroxide, 70 mass of glass fibre
Part, 3 mass parts of curing agent, 1.5 mass parts of coupling agent, 1.5 mass parts of lubricant, 1.5 mass parts of brightening agent, 2.5 matter of compatilizer
Measure part, 3 mass parts of 3 mass parts of dispersing agent, 3 mass parts of softening agent and grain refiner.
3. a kind of preparation method of polyester staple fiber as claimed in claim 2, which is characterized in that include the following steps：
Step 1: 150 mass parts of PET bottle are cleaned up, surface moisture is dried, equivalent is carried out to 150 mass parts PET bottles and is cut
Piece, slice PET is spare, and 1.5 mass parts of aluminium hydroxide, 1.5 mass parts of magnesium hydroxide, 1.5 mass of coupling agent are added into container
Part and 1.5 mass parts of lubricant, are stirring uniformly to obtain special fire retardant by blender；
Step 2: being heated to 130 DEG C for 3 parts of polycarbonate, then 70 parts of glass fibre being added thereto, temperature is promoted to 600 DEG C,
It is stirred evenly simultaneously using Special dispersing blender spare；
Step 3: sufficiently dissolved 3 mass parts of softening agent are added in the PET bottle raw material of 150 parts of slices in step 1, it is molten
PET bottle piece after after solution is put into special blender, then the speciality fire retardant of step 1 preparation is added into container, keeps PET
It is stirred one hour under conditions of the temperature of bottle piece dissolution, then temperature is promoted to 600 DEG C, the original prepared in step 2 is added simultaneously
Material, and uniform stirring one hour；
Step 4: 3 mass parts of curing agent, 1.5 mass parts of brightening agent, 2.5 matter of compatilizer are added in the raw material prepared to step 3
Part, 3 mass parts of 3 mass parts of dispersing agent and grain refiner are measured, keeps stirring two under conditions of the temperature of PET bottle piece dissolution small
When；
Step 5: the mixed raw material dissolved in step 4 is added in spinning manifold, raw material is uniformly sent to equipped with filtering
In the filament spinning component of net, filters out impurity and sprayed from spinneret later, form as-spun fibre；
Step 6: as-spun fibre is through ring-like secondary air cooling, raw fiber enters winding panel by slinning cabinet, using finish oil disc
Boundling enters feeding-wheel after oiling, and as-spun fibre tow is guided by guiding machine, into immersion cell；
Step 7: carrying out second of drawing-off after immersion oil between the first drafting machine and the second drafting machine, total draft multiple is completed
80%；
Step 8: carrying out second of drawing-off between the second drafting machine and third drafting machine, the 20% of total draft multiple is completed, is led to
After drawing-off twice, fiber obtains sufficient orientation texture；
Step 9: the fiber after drawing-off enters laxation shaping machine after folded silk, preheating, curling, cutting according to production requirement, it is fixed
Property after fiber quality detection, qualified product carries out class wrapping.
4. a kind of preparation method of polyester staple fiber according to claim 3, it is characterised in that：PET bottle is put in step 1
Entering in strainer, then it is in 5%NaOH solution that mass fraction will be put into equipped with PET bottle strainer, NaOH solution temperature setting is 100 DEG C,
It impregnates one hour, the PET bottle after immersion drains away the water to be put into cleaning machine and clean.
5. a kind of preparation method of polyester staple fiber according to claim 3, it is characterised in that：PET bottle is molten in step 3
Solving temperature is 262 ± 2 DEG C, viscosity 0.52-0.58dl/g.
6. a kind of preparation method of polyester staple fiber according to claim 3, it is characterised in that：In step 5 in immersion cell
Portion is oil solution dedicated to be made of antistatic agent, dispersing agent, silicone oil equipped with oil solution dedicated.
7. a kind of preparation method of polyester staple fiber according to claim 3, it is characterised in that：Heat setting machine in step 9
Temperature control at 130 DEG C, the fiber filament after oiling is formed through heat setting machine, volatile quantity be no more than 0.1%.
8. a kind of polyester staple fiber according to claim 2, it is characterised in that：Glass fibre uses length for 12mm glass
Fiber.
9. a kind of preparation method of polyester staple fiber according to claim 4, it is characterised in that：NaOH solution after immersion
It recycles in operation.
10. a kind of preparation method of polyester staple fiber according to claim 3, it is characterised in that：PET bottle in step 3
Pyrolysis devolatilization amount is no more than 0.1%.
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Application publication date: 20181123 |