CN104419993A - Preparation method and application of high-performance coconut shell adjuvant - Google Patents
Preparation method and application of high-performance coconut shell adjuvant Download PDFInfo
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- CN104419993A CN104419993A CN201310403010.5A CN201310403010A CN104419993A CN 104419993 A CN104419993 A CN 104419993A CN 201310403010 A CN201310403010 A CN 201310403010A CN 104419993 A CN104419993 A CN 104419993A
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Abstract
The invention relates to a preparation method and application of a high-performance coconut shell adjuvant. The preparation method of the high-performance coconut shell adjuvant is characterized by comprising the following specific steps: (1) raw material pre-treatment; (2) carbonizing treatment; (3) aging modification: performing aging modification treatment on modified coconut shell powder at the step (2) to obtain compound coconut shell powder; and (4) high-performance coconut shell adjuvant: coating a chitosan material as a shell layer over the compound coconut shell adjuvant as a core layer to prepare the high-performance coconut shell adjuvant containing the compound coconut shell powder. The prepared high-performance coconut shell adjuvant is applied to polyester fibers, composite polyester fibers, nylon lace fabrics and polyester films.
Description
[technical field]
The present invention relates to technical field of textile production, specifically, is a kind of preparation method and application thereof of high-performance coconut husk auxiliary agent.
[background technology]
Since polyester and polyester fiber step into heavy industrialization from 20 century 70s, development speed is far longer than other synthetic materials and synthetic fiber, and China's polyester fiber output 2,513 ten thousand tons in 2010, accounts for 81% of China's chemical fibre output; Account for 70% of Polyester fiber production.10 years from now on, Polyester and polyester fiber will keep the speed increment of more than 3%, and polyester fiber will account for more than 60% of world's fiber product total amount.The physical and mechanical properties of polyester fiber such as brute force, ABRASION RESISTANCE, resilience and DIMENSIONAL STABILITY all better can meet the needs of various uses.But polyester fiber is a kind of typical hydrophobic fibre, and regain only has 0.4%, and as skintight suit material, its snugness of fit is very poor, and in high humidity, the condition of high temperature, the clothes that people wear synthetic fiber have feeling of oppression and heat, and mood is had the fidgets; Under humid tropical condition, human body and check room frictional force increase, and sense of heaviness increases, and produce not very big impact to the psychology of people and physiological change.Meanwhile, polyester fiber hydrophily is very poor, also brings series of problems to weaving.As easily gathered electrostatic, easily inhaling dust, wipe oil stain difficulty etc.For this reason, people have done a large amount of research work improving in polyester fiber hydrophilicity.Developed country is from the eighties in last century, polyester fiber and textiles thereof are progressively caught up with towards performance, quality and economic indicator or are surmounted the future development of natural fabric and textiles, and the super emulation synthetic fiber with features such as high function, high-quality, low energy consumption and low emissions are developing goals of synthetic fiber and textiles thereof.Meanwhile, improve synthetic fabrics moisture absorption, perspiration wicking be also one of following textiles developing direction.
The textile material of functionalization becomes the trend of development.
[summary of the invention]
The object of the invention is to overcome the deficiencies in the prior art, a kind of preparation method and application thereof of high-performance coconut husk auxiliary agent is provided.
The object of the invention is to be achieved through the following technical solutions:
A preparation method for high-performance coconut husk auxiliary agent, its concrete steps are:
(1) pretreatment of raw material:
By coconut husk at 80 DEG C dry 4 hours, obtain processing rear coconut husk;
(2) charing process:
Coconut husk after the process obtain step (1), carries out charing and obtains modification coconut shell flour;
Described charring process is the segmentation charing adopting quartz tube furnace to carry out coconut husk: rise to 200 DEG C with the heating rate of 10 DEG C/min, coconut husk carbonizes 80min at 200 DEG C, then 400 DEG C are risen to the heating rate of 15 DEG C/min, again at 400 DEG C of charing 80min, finally rise to 700 DEG C with the heating rate of 20 DEG C/min, and carbonize process 2 ~ 3h at such a temperature; Ground at high energy ball mill by obtained product after charing, until fine-powdered, namely obtain modification coconut shell flour, the particle diameter of coconut shell flour is 0.001 ~ 0.5 μm; Adopt low-temperature carbonization, on the one hand save cost, keep the original function of coconut husk in addition on the one hand, can play coconut husk effect as the carrier of absorption, the temperature of charing is too high and long, will original performance of destruction coconut husk, the advantage of Here it is low-temperature carbonization and strong point.
(3) aging modification:
Step (2) modification coconut shell flour is carried out aging modification, obtains compound coconut shell flour;
Compound coconut shell flour is for containing nano composite ammonium phosphate, Nano titanium nitride, the coconut shell flour of nano titanium oxide and nano zine oxide;
The modification coconut shell flour that step (2) obtains is dissolved in strong acid solution, the solution of the modification coconut shell flour obtained, add nano material and aging dose, carry out again stirring and ultrasonic disperse, then centrifugation obtains solid material, by solid material at 40 ~ 60 DEG C dry 2 ~ 6 hours, obtain compound coconut shell flour;
Described nano material is nano composite ammonium phosphate, Nano titanium nitride, nano titanium oxide and nano zine oxide; The mass ratio of four is 1:1:1:1 ~ 1:5:5:5, is preferably 1:3:3:3;
The mass ratio of described nano material and aging dose is 5:1 ~ 1:1;
Described strong acid is the concentrated sulfuric acid, red fuming nitric acid (RFNA), hydrofluoric acid and etc. other.
The addition of described aging dose is 1 ~ 3% of modification coconut shell flour mass fraction;
Described aging dose is antioxidant, ultraviolet absorber and light stabilizer, and the mass ratio of three is 1:1:2;
Described antioxidant is commercially available prod, such as antioxidant 1010 and irgasfos 168;
Described ultraviolet absorber is the ultraviolet absorber of hydroxyl, such as ESCALOL 567, Octabenzone, the materials such as 2,4-DihydroxyBenzophenone; For commercially available prod;
Described light stabilizer is the light stabilizer of hydroxyl, such as O-hydroxyl-diphenyl ketone, the materials such as 2-(2 ', 4 '-dihydroxy phenyl)-5,6-dihydroxy BTA and 1,6-dihydroxy benzotriazole; For commercially available prod;
The aging modification of this step has 2 effects, namely physical absorption and valence bond cooperation are used, after coconut shell flour and nano material acidifying, its surface forms hydrogen bond, and carry out a chemical strong conjunction with the hydroxyl of aging dose, moreover utilize the space of coconut shell flour and nano material self more, carry out the suction-operated of a physics.
(4) high-performance coconut husk auxiliary agent
Be that to be wrapped in cystoblast be inside chitosan material to compound coconut shell flour by sandwich layer, make the high-performance coconut husk auxiliary agent containing compound coconut shell flour; Wherein, the Thickness Ratio of cystoblast and sandwich layer is 1:22; The diameter of capsule master batch is 0.1 ~ 5 μm:
High-performance coconut husk auxiliary agent adopts complex coacervation synthesis, also can adopt interfacial polymerization or situ aggregation method, is ripe technology.
The diameter of high-performance coconut husk auxiliary agent is 0.1 ~ 5 μm, and it is conducive to capsule smoothly by spinneret orifice, and ensures that the combination of capsule and fiber is firm, can't affect the mechanical performance of fiber,
Capsule/the core of high-performance coconut husk auxiliary agent is greater than 1:15 than generally, ensures that microcapsules have certain mechanical strength and heat resistance;
The effect of high-performance coconut husk auxiliary agent is, plays the effect of slow releasing nano functional particle, is conducive to its nanometer effect and is able to permanent maintenance; The preparation that its nanometer effect is better than conventional master batch type functional particles is used further to the technique effect of spinning.
A kind of multifunctional polyester fiber, its raw material composition mass percent is:
High-performance coconut husk auxiliary agent 0.1% ~ 2%
PTT slice 1 ~ 5%
PET cuts into slices surplus
A preparation method for multifunctional polyester fiber, carries out melt spinning after being mixed by raw material, obtains multifunctional polyester fiber.Described melt-spinning process one is: technique adopts normal polyester production technology, and wherein spinning temperature is 240 ~ 300 DEG C, and spinning speed is 800 ~ 1500m/min, and draft temperature is 60 ~ 80 DEG C, and total stretching ratio is 3 ~ 5.Described melt-spinning process two is: the POY technique of long filament: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 2000 ~ 3000m/min, and draw ratio is 3.25 times; FDY technique: spinning temperature is 240 ~ 300 DEG C, spinning speed is 3000 ~ 4000m/min, setting temperature 140 ~ 160 DEG C.
A kind of composite-type terylene fiber, its raw material composition mass percent is:
A preparation method for compound PET, carries out melt spinning after being mixed by raw material, obtains compound PET.Described melt-spinning process one is: technique adopts normal polyester production technology, and wherein spinning temperature is 240 ~ 300 DEG C, and spinning speed is 800 ~ 1500m/min, and draft temperature is 60 ~ 80 DEG C, and total stretching ratio is 3 ~ 5.Described melt-spinning process two is: the POY technique of long filament: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 2000 ~ 3000m/min, and draw ratio is 3.25 times; FDY technique: spinning temperature is 240 ~ 300 DEG C, spinning speed is 3000 ~ 4000m/min, setting temperature 140 ~ 160 DEG C.
A kind of modified PET, its raw material composition mass percent is:
High-performance coconut husk auxiliary agent 0.1% ~ 2%
PBT section 1 ~ 10%
PET cuts into slices surplus
A preparation method for modified PET, carries out melt spinning after being mixed by raw material, the type that is improved PET.Described melt-spinning process one is: technique adopts normal polyester production technology, and wherein spinning temperature is 240 ~ 300 DEG C, and spinning speed is 800 ~ 1500m/min, and draft temperature is 60 ~ 80 DEG C, and total stretching ratio is 3 ~ 5.Described melt-spinning process two is: the POY technique of long filament: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 2000 ~ 3000m/min, and draw ratio is 3.25 times; FDY technique: spinning temperature is 240 ~ 300 DEG C, spinning speed is 3000 ~ 4000m/min, setting temperature 140 ~ 160 DEG C.
A kind of many performances polyster fibre, its raw material composition mass percent is:
A preparation method for many performances polyster fibre, carries out melt spinning after being mixed by raw material, obtains many performances polyster fibre.Described melt-spinning process one is: technique adopts normal polyester production technology, and wherein spinning temperature is 240 ~ 300 DEG C, and spinning speed is 800 ~ 1500m/min, and draft temperature is 60 ~ 80 DEG C, and total stretching ratio is 3 ~ 5.Described melt-spinning process two is: the POY technique of long filament: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 2000 ~ 3000m/min, and draw ratio is 3.25 times; FDY technique: spinning temperature is 240 ~ 300 DEG C, spinning speed is 3000 ~ 4000m/min, setting temperature 140 ~ 160 DEG C.
A kind of lace fabric, forms through the braiding of lace machine with polyamide fibre and modified dacron long filament two kinds of raw materials, after having weaved, through dyeing finishing process, obtains roses and lace fabric.
Described modified dacron long filament is the above-mentioned polyester filament containing high-performance coconut husk auxiliary agent.
A kind of polyester film, its component is polyester slice and high-performance coconut husk auxiliary agent, and wherein, high-performance coconut husk auxiliary agent accounts for 0.5 ~ 2.5% of polyester film mass fraction.
A preparation method for polyester film, it adopts stretch processes method to produce, and its concrete technology is: the preparation of a function additive, two pre-crystallized dryings, three melt extrude, four slabs, five longitudinal stretchings and cross directional stretch, six tractions, section, corona treatment, rolling, inspection.Its preparation technology is ripe technology.
Compared with prior art, good effect of the present invention is:
It is little that Nano titanium nitride of the present invention has particle diameter, and specific area is large, and surface-activity is high, and ultravioletlight screening is greater than more than 80%, has good barrier property.
The present invention is combined after the acidifying of compound coconut shell flour with the age resister of hydroxyl, by the physical absorption of nano material and the double action of chemical bond, obtains the compound age resister that effect is better, and it is important innovative point of the present invention.
The present invention carbonizes after tealeaf residue and nano material mixing, nano material can be made like this to be more prone to be dispersed in the space of tea charcoal, make effect of nano material be able to permanent maintenance, is conducive to the special role playing nano material.
Nano composite ammonium polyphosphate APP of the present invention, its chemical structural formula is: (NH
4)
n+2pnO
3n+1; This nano-complex compares II type APP, and flame retarding efficiency significantly improves, and in polymeric material is fire-retardant when identical fire-retardant index, amount of flame-retardant agent reduces by 1%, is conducive to the combination property improving polymeric material; Purchased from Zibo Sai Da flame-retarding new material Co., Ltd.
The ultraviolet ability of nano oxidized zinc-iron alloy solution of the present invention is strong, all shielding action is had to long wave ultraviolet (UVA) wavelength (320 ~ 400mm) and ultraviolet B radiation (UVB) wavelength (280 ~ 320nm). nano zine oxide is nontoxic, tasteless, non-stimulated to skin, do not decompose, never degenerate, good stability, this is as white, can be in addition painted according to different object, low price; Can be used for producing deodorization, antibacterial, anti-ultraviolet fiber. can stink be absorbed, purify air.
Nano titanium oxide of the present invention has sterilizing function.Experiment proves, with 0.1mg/cm
3the dichloride in anatase type TiO of concentration
2pernicious HeLa cell can be killed up hill and dale, and increasing along with superoxide dismutase (SOD) addition, TiO
2the efficiency that cancer cell is killed in photocatalysis also improves.All more than 98% is reached to the killing rate of bacillus subtilis black variety gemma, Pseudomonas aeruginosa, Escherichia coli, gold-coloured staphylococci, salmonella, tooth branch bacterium and aspergillus; Use TiO
2photochemical catalytic oxidation advanced treating running water, can greatly reduce the bacterial population in water, drinks rear without mutagenesis, reaches the standard of safe drinking water; Add nano-TiO in the fibre
2sterilization, antifouling, deodorizing, self-cleaning antibacterial soil resistant fibre can be produced, the place of intensive, the easy breeding of bacterium such as to be applied between hospital ward, operating room and domestic hygiene, capable of purifying air, protect from infection, deodorizing taste removal; Effectively can to kill etc. harmful bacteria.
[detailed description of the invention]
The preparation method that a kind of high-performance coconut husk of the present invention auxiliary agent is below provided and the detailed description of the invention applied in textile material thereof.
Embodiment 1
A preparation method for high-performance coconut husk auxiliary agent, its concrete steps are:
(1) pretreatment of raw material:
By coconut husk at 80 DEG C dry 4 hours, obtain processing rear coconut husk;
(2) charing process:
Coconut husk after the process obtain step (1), carries out charing and obtains modification coconut shell flour;
Described charring process is the segmentation charing adopting quartz tube furnace to carry out coconut husk: rise to 200 DEG C with the heating rate of 10 DEG C/min, coconut husk carbonizes 80min at 200 DEG C, then 400 DEG C are risen to the heating rate of 15 DEG C/min, again at 400 DEG C of charing 80min, finally rise to 700 DEG C with the heating rate of 20 DEG C/min, and carbonize process 2 ~ 3h at such a temperature; Ground at high energy ball mill by obtained product after charing, until fine-powdered, namely obtain modification coconut shell flour, the particle diameter of coconut shell flour is 0.001 ~ 0.5 μm.
(3) aging modification:
Step (2) modification coconut shell flour is carried out aging modification, obtains compound coconut shell flour;
The modification coconut shell flour that step (2) obtains is dissolved in strong acid solution, the solution of the modification coconut shell flour obtained, add nano material and aging dose, carry out again stirring and ultrasonic disperse, then centrifugation obtains solid material, by solid material at 40 ~ 60 DEG C dry 2 ~ 6 hours, obtain compound coconut shell flour;
Described nano material is nano composite ammonium phosphate, Nano titanium nitride, nano titanium oxide and nano zine oxide; The mass ratio of four is 1:1:1:1;
The mass ratio of described nano material and aging dose is 5:1;
The addition of described aging dose is 1% of modification coconut shell flour mass fraction;
Described aging dose is antioxidant, ultraviolet absorber and light stabilizer, and the mass ratio of three is 1:1:2;
(4) high-performance coconut husk auxiliary agent
Be that to be wrapped in cystoblast be inside chitosan material to compound coconut shell flour by sandwich layer, make the high-performance coconut husk auxiliary agent containing compound coconut shell flour; Wherein, the Thickness Ratio of cystoblast and sandwich layer is 1:22; The diameter of capsule master batch is 0.1 ~ 5 μm.
Embodiment 2
A preparation method for high-performance coconut husk auxiliary agent, its concrete steps are:
(1) pretreatment of raw material:
By coconut husk at 80 DEG C dry 4 hours, obtain processing rear coconut husk;
(2) charing process:
Coconut husk after the process obtain step (1), carries out charing and obtains modification coconut shell flour;
Described charring process is with embodiment 1.
(3) aging modification:
Step (2) modification coconut shell flour is carried out aging modification, obtains compound coconut shell flour;
The modification coconut shell flour that step (2) obtains is dissolved in strong acid solution, the solution of the modification coconut shell flour obtained, add nano material and aging dose, carry out again stirring and ultrasonic disperse, then centrifugation obtains solid material, by solid material at 40 ~ 60 DEG C dry 2 ~ 6 hours, obtain compound coconut shell flour;
Described nano material is nano composite ammonium phosphate, Nano titanium nitride, nano titanium oxide and nano zine oxide; The mass ratio of four is 1:3:3:3;
The mass ratio of described nano material and aging dose is 4:1;
The addition of described aging dose is 2% of modification coconut shell flour mass fraction;
Described aging dose is antioxidant, ultraviolet absorber and light stabilizer, and the mass ratio of three is 1:1:2;
(4) high-performance coconut husk auxiliary agent
Be that to be wrapped in cystoblast be inside chitosan material to compound coconut shell flour by sandwich layer, make the high-performance coconut husk auxiliary agent containing compound coconut shell flour; Wherein, the Thickness Ratio of cystoblast and sandwich layer is 1:22; The diameter of capsule master batch is 0.1 ~ 5 μm;
Embodiment 3
A preparation method for high-performance coconut husk auxiliary agent, its concrete steps are:
(1) pretreatment of raw material:
By coconut husk at 80 DEG C dry 4 hours, obtain processing rear coconut husk;
(2) charing process:
Coconut husk after the process obtain step (1), carries out charing and obtains modification coconut shell flour;
Described charring process is with embodiment 1.
(3) aging modification:
Step (2) modification coconut shell flour is carried out aging modification, obtains compound coconut shell flour;
The modification coconut shell flour that step (2) obtains is dissolved in strong acid solution, the solution of the modification coconut shell flour obtained, add nano material and aging dose, carry out again stirring and ultrasonic disperse, then centrifugation obtains solid material, by solid material at 40 ~ 60 DEG C dry 2 ~ 6 hours, obtain compound coconut shell flour;
Described nano material is nano composite ammonium phosphate, Nano titanium nitride, nano titanium oxide and nano zine oxide; The mass ratio of four is 1:5:5:5;
The mass ratio of described nano material and aging dose is 1:1;
The addition of described aging dose is 3% of modification coconut shell flour mass fraction;
Described aging dose is antioxidant, ultraviolet absorber and light stabilizer, and the mass ratio of three is 1:1:2;
(4) high-performance coconut husk auxiliary agent
Be that to be wrapped in cystoblast be inside chitosan material to compound coconut shell flour by sandwich layer, make the high-performance coconut husk auxiliary agent containing compound coconut shell flour; Wherein, the Thickness Ratio of cystoblast and sandwich layer is 1:22; The diameter of capsule master batch is 0.1 ~ 5 μm;
Embodiment 4
A kind of multifunctional polyester fiber, its raw material composition mass percent is:
High-performance coconut husk auxiliary agent 0.1%
PTT slice 1%
PET section 98.9%
A preparation method for multifunctional polyester fiber, carries out melt spinning after being mixed by raw material, obtains multifunctional polyester fiber.Described melt-spinning process one is: technique adopts normal polyester production technology, and wherein spinning temperature is 240 ~ 300 DEG C, and spinning speed is 800 ~ 1500m/min, and draft temperature is 60 ~ 80 DEG C, and total stretching ratio is 3 ~ 5.
Embodiment 5
A kind of multifunctional polyester fiber, its raw material composition mass percent is:
High-performance coconut husk auxiliary agent 1%
PTT slice 3%
PET section 94%
A preparation method for multifunctional polyester fiber, carries out melt spinning after being mixed by raw material, obtains multifunctional polyester fiber.Described melt-spinning process two is: the POY technique of long filament: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 2000 ~ 3000m/min, and draw ratio is 3.25 times.
Embodiment 6
A kind of multifunctional polyester fiber, its raw material composition mass percent is:
High-performance coconut husk auxiliary agent 2%
PTT slice 5%
PET section 93%
A preparation method for multifunctional polyester fiber, carries out melt spinning after being mixed by raw material, obtains multifunctional polyester fiber.Described melt-spinning process is FDY technique: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 3000 ~ 4000m/min, setting temperature 140 ~ 160 DEG C.
Embodiment 7
A kind of composite-type terylene fiber, its raw material composition mass percent is:
A preparation method for compound PET, carries out melt spinning after being mixed by raw material, obtains compound PET.Described melt-spinning process one is: technique adopts normal polyester production technology, and wherein spinning temperature is 240 ~ 300 DEG C, and spinning speed is 800 ~ 1500m/min, and draft temperature is 60 ~ 80 DEG C, and total stretching ratio is 3 ~ 5.
Embodiment 8
A kind of composite-type terylene fiber, its raw material composition mass percent is:
A preparation method for compound PET, carries out melt spinning after being mixed by raw material, obtains compound PET.Described melt-spinning process is: the POY technique of long filament: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 2000 ~ 3000m/min, and draw ratio is 3.25 times.
Embodiment 9
A kind of composite-type terylene fiber, its raw material composition mass percent is:
A preparation method for compound PET, carries out melt spinning after being mixed by raw material, obtains compound PET.Described melt-spinning process is: FDY technique: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 3000 ~ 4000m/min, setting temperature 140 ~ 160 DEG C.
Embodiment 10
A kind of modified PET, its raw material composition mass percent is:
High-performance coconut husk auxiliary agent 0.3%%
PBT section 2%
PET section 97.7%
A preparation method for modified PET, carries out melt spinning after being mixed by raw material, the type that is improved PET.Described melt-spinning process one is: technique adopts normal polyester production technology, and wherein spinning temperature is 240 ~ 300 DEG C, and spinning speed is 800 ~ 1500m/min, and draft temperature is 60 ~ 80 DEG C, and total stretching ratio is 3 ~ 5.
Embodiment 11
A kind of modified PET, its raw material composition mass percent is:
High-performance coconut husk auxiliary agent 1.1%
PBT section 5%
PET section 93.9%
A preparation method for modified PET, carries out melt spinning after being mixed by raw material, the type that is improved PET.Described melt-spinning process is: the POY technique of long filament: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 2000 ~ 3000m/min, and draw ratio is 3.25 times.
Embodiment 12
A kind of modified PET, its raw material composition mass percent is:
High-performance coconut husk auxiliary agent 1.8%
PBT section 9.2%
PET section 90%
A preparation method for modified PET, carries out melt spinning after being mixed by raw material, the type that is improved PET.Described melt-spinning process is: FDY technique: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 3000 ~ 4000m/min, setting temperature 140 ~ 160 DEG C.
Embodiment 13
A kind of many performances polyster fibre, its raw material composition mass percent is:
A preparation method for many performances polyster fibre, carries out melt spinning after being mixed by raw material, obtains many performances polyster fibre.Described melt-spinning process one is: technique adopts normal polyester production technology, and wherein spinning temperature is 240 ~ 300 DEG C, and spinning speed is 800 ~ 1500m/min, and draft temperature is 60 ~ 80 DEG C, and total stretching ratio is 3 ~ 5.
Embodiment 14
A kind of many performances polyster fibre, its raw material composition mass percent is:
A preparation method for many performances polyster fibre, carries out melt spinning after being mixed by raw material, obtains many performances polyster fibre.Described melt-spinning process is: the POY technique of long filament: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 2000 ~ 3000m/min, and draw ratio is 3.25 times.
Embodiment 15
A kind of many performances polyster fibre, its raw material composition mass percent is:
A preparation method for many performances polyster fibre, carries out melt spinning after being mixed by raw material, obtains many performances polyster fibre.Described melt-spinning process is: FDY technique: spinning temperature is 240 ~ 300 DEG C, and spinning speed is 3000 ~ 4000m/min, setting temperature 140 ~ 160 DEG C.
Embodiment 16
A kind of lace fabric, forms through the braiding of lace machine with polyamide fibre and modified dacron long filament two kinds of raw materials, after having weaved, through dyeing finishing process, obtains roses and lace fabric.
Described modified dacron long filament is the above-mentioned polyester filament containing high-performance coconut husk auxiliary agent, is specially any one polyster fibre in embodiment 4-15.
Embodiment 17
A kind of polyester film, its component is polyester slice and high-performance coconut husk auxiliary agent, and wherein, high-performance coconut husk auxiliary agent accounts for 0.5 ~ 2.5% of polyester film mass fraction.
A preparation method for polyester film, it adopts stretch processes method to produce, and its concrete technology is: the preparation of a function additive, two pre-crystallized dryings, three melt extrude, four slabs, five longitudinal stretchings and cross directional stretch, six tractions, section, corona treatment, rolling, inspection.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, without departing from the inventive concept of the premise; can also make some improvements and modifications, these improvements and modifications also should be considered within the scope of protection of the present invention.
Claims (10)
1. a preparation method for high-performance coconut husk auxiliary agent, is characterized in that, its concrete steps are:
(1) pretreatment of raw material:
By coconut husk at 80 DEG C dry 4 hours, obtain processing rear coconut husk;
(2) charing process:
Coconut husk after the process obtain step (1), carries out charing and obtains modification coconut shell flour;
Described charring process is the segmentation charing adopting quartz tube furnace to carry out coconut husk: rise to 200 DEG C with the heating rate of 10 DEG C/min, coconut husk carbonizes 80min at 200 DEG C, then 400 DEG C are risen to the heating rate of 15 DEG C/min, again at 400 DEG C of charing 80min, finally rise to 700 DEG C with the heating rate of 20 DEG C/min, and carbonize process 2 ~ 3h at such a temperature; Ground at high energy ball mill by obtained product after charing, until fine-powdered, namely obtain modification coconut shell flour, the particle diameter of coconut shell flour is 0.001 ~ 0.5 μm;
(3) aging modification:
The modification coconut shell flour that step (2) obtains is dissolved in strong acid solution, the solution of the modification coconut shell flour obtained, add nano material and aging dose, carry out again stirring and ultrasonic disperse, then centrifugation obtains solid material, by solid material at 40 ~ 60 DEG C dry 2 ~ 6 hours, obtain compound coconut shell flour;
(4) high-performance coconut husk auxiliary agent
Be that to be wrapped in cystoblast be inside chitosan material to compound coconut shell flour by sandwich layer, make the high-performance coconut husk auxiliary agent containing compound coconut shell flour.
2. the preparation method of a kind of high-performance coconut husk auxiliary agent as claimed in claim 1, it is characterized in that, described nano material is nano composite ammonium phosphate, Nano titanium nitride, nano titanium oxide and nano zine oxide; The mass ratio of four is 1:1:1:1 ~ 1:5:5:5.
3. the preparation method of a kind of high-performance coconut husk auxiliary agent as claimed in claim 2, is characterized in that, described nano composite ammonium phosphate, Nano titanium nitride, and the mass ratio of nano titanium oxide and nano zine oxide is 1:3:3:3.
4. the preparation method of a kind of high-performance coconut husk auxiliary agent as claimed in claim 1, is characterized in that, the mass ratio of described nano material and aging dose is 5:1 ~ 1:1.
5. the preparation method of a kind of high-performance coconut husk auxiliary agent as claimed in claim 1, is characterized in that, the addition of described aging dose is 1 ~ 3% of modification coconut shell flour mass fraction.
6. the preparation method of a kind of high-performance coconut husk auxiliary agent as claimed in claim 1, is characterized in that, described aging dose is antioxidant, ultraviolet absorber and light stabilizer, and the mass ratio of three is 1:1:2.
7. the application of a kind of high-performance coconut husk auxiliary agent as claimed in claim 1 in polyster fibre.
8. the application of a kind of high-performance coconut husk auxiliary agent as claimed in claim 1 in composite terylene fiber.
9. the application of a kind of high-performance coconut husk auxiliary agent as claimed in claim 1 in roses and lace fabric.
10. the application of a kind of high-performance coconut husk auxiliary agent as claimed in claim 1 in polyester film.
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| CN201310403010.5A CN104419993A (en) | 2013-09-03 | 2013-09-03 | Preparation method and application of high-performance coconut shell adjuvant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640253A (en) * | 2018-05-04 | 2018-10-12 | 江苏螯龙水产养殖科技有限公司 | A kind of composite oxidant and preparation method thereof of disinfection breeding water body |
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2013
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108640253A (en) * | 2018-05-04 | 2018-10-12 | 江苏螯龙水产养殖科技有限公司 | A kind of composite oxidant and preparation method thereof of disinfection breeding water body |
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