CN110499554A - A kind of natural feather composite material and preparation method and application - Google Patents
A kind of natural feather composite material and preparation method and application Download PDFInfo
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- CN110499554A CN110499554A CN201910898551.7A CN201910898551A CN110499554A CN 110499554 A CN110499554 A CN 110499554A CN 201910898551 A CN201910898551 A CN 201910898551A CN 110499554 A CN110499554 A CN 110499554A
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- natural feather
- grapheme material
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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
- D01F1/103—Agents inhibiting growth of microorganisms
-
- 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
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
-
- 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
- D01F6/90—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 polyamides
-
- 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
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G13/00—Mixing, e.g. blending, fibres; Mixing non-fibrous materials with fibres
Abstract
The present invention provides a kind of natural feather composite material and preparation method and applications, including natural feather and the modified short fibre of the grapheme material being dispersed in natural feather.While natural feather composite material provided by the invention has good biocidal property, far infrared and antistatic property, the modified short fine and natural feather of grapheme material can be supported mutually, space with more storage air, therefore, natural feather composite material of the invention has both thermal property；Also, it is easy phase mutual friction static electrification between natural feather to reuniting, contains graphene in the modified short fibre of graphene, itself has the function of antistatic, the electrostatic that natural feather is generated due to friction, improvement agglomeration traits can be neutralized.
Description
Technical field
The invention belongs to textile chemical fiber technical field, it is related to a kind of natural feather composite material and preparation method and application.
Background technique
Natural down is recognized by the mankind very early as a kind of heat insulating material, and obtains in 1940 years angstroms of enlightening Bauers
One quilting down jackets patent has started natural down as heat insulating material and has applied antecedent on clothes.Natural feather main source
In the abdomen of aquatic bird animal geese and ducks, belong to a kind of animal protein fiber, gather ten million triangle on natural feather nodular fibrous
Tiny stomata, can the convergent-divergent with temperature change, generate temperature adjustment function, absorbable human body distributes the hot gas of flowing, and isolation is outer
Compared with cotton, wool and silk natural insulation, thermal insulation property is best for the invasion of boundary's cold air.Currently, down products
Warming the higher level requirement such as warming, light, environmentally friendly and high performance-price ratio is risen to from traditional gradually.
Although people favor the thermal property of natural feather very much, lacked using in technology there are many existing
It falls into, for example natural feather itself belongs to a kind of animal protein fibre, easily breeds bacterium in a humidity environment, go mouldy；And plumage
Accounting of the suede in feather is considerably less, while American-European countries is to protect animal to be forbidden to use " work pull out suede ", so that natural feather makes
It is excessively high with cost；Natural feather itself is relatively dry, has been easy electrostatic, has brought inconvenience when in use；Therefore, it develops comprehensive
Performance is closed close to natural down and the down-like heat insulating material of natural down defect can be improved has broad application prospects.
Currently, for natural feather mixture heat insulating material research there are many report, CN104195665A discloses one kind
The compound natural feather composite fibre and preparation method thereof of waste and old down fiber/acrylic staple fibre, is made from the following raw materials in parts by weight,
10-15 parts of goose down superfine powder, waste and old down fiber 20-25 parts, 25-30 parts of nanometer goose feather powder, 18-20 parts of acrylic staple fibre, glue
Former azelon 14-17 parts, 7-9 parts of nano bamboo powdered carbon, 17-21 parts of cocoanut shell, 0.3-0.6 parts of magnesia, 1-3 parts of common perilla skin,
2-4 parts of smilax, 13-15 parts of straw pulp fibres, 100-120 parts of methylimidazole dibutylphosphoric acid ester of 1- butyl -3-, 1,3- dimethyl
120-140 parts of imidazoles dimethyl phosphate, 2-4 parts of auxiliary agent, waste and old down fiber is utilized in suitable quantity of water, the patent, reduces costs,
But the process is more complicated, and joined too many auxiliary material, has a certain impact for the performance of fiber.CN102453980A
It discloses a kind of method with dry-type processing mixing staple fiber and down group and dispels staple fiber using outlet air utensil, and keep it mixed
Entering among down group, stirring blade group is recycled to stir it, whole process does not need that chemical products is added, without considering pollution problem,
But for the improvement of the biocidal property of natural feather without reference to.Paper " the polyester fiber/natural feather that Wan Wangjun, Tan Meng, Dong Rujun are delivered
Mixture thermal property correlation research " has inquired into polyester fiber and its between the fluffy degree and thermal property of natural feather mixture
Correlation, to provide the foundation of quality evaluation for polyester fiber product.
Therefore, warming and bacteriostasis property can be had both by developing one kind, and lower-cost composite heat insulation material is especially heavy
It wants.
Summary of the invention
The purpose of the present invention is to provide a kind of natural feather composite material and preparation method and application, plumages provided by the invention
Suede composite material has preferable antibacterial type, and has had both thermal property, far infrared performance and antistatic property, reduces simultaneously
The use cost of natural feather.
To achieve this purpose, the present invention adopts the following technical scheme:
In a first aspect, including natural feather and being dispersed in natural feather the present invention provides a kind of natural feather composite material
The modified short fibre of grapheme material.
It include the modified short fibre of evenly dispersed grapheme material in natural feather composite material of the invention, due to grapheme material
Distinctive property, therefore, natural feather composite material provided by the invention have good biocidal property, far infrared and antistatic property
Meanwhile the modified short fine and natural feather of grapheme material can be supported mutually, have the space of more storage air, therefore, this hair
Bright natural feather composite material has both thermal property.
Also, phase mutual friction static electrification is easy between natural feather to be caused to reunite, and contains graphene in the modified short fibre of graphene, this
Body have the function of it is antistatic, can neutralize natural feather due to friction generate electrostatic, improve agglomeration traits.
In the present invention, the line density of modified short fibre of the grapheme material is 0.9-2D, for example, 1D, 1.2D, 1.5D,
1.8D etc., length are less than 20mm, such as 6mm, 9mm, 12mm, 16mm, 18mm etc..
Line density and length the present invention limit the grapheme material in range it is modified it is short it is fine there is light weight and rigidity compared with
Big advantage can mutually be supported with natural feather, and the space with more stored airs keeps natural feather provided by the invention compound
The thermal property of material is more excellent.If line density is larger, the quality of the modified short fibre of grapheme material can be heavier, and simultaneously natural feather compared with
Gently, then being easy layering when the two mixes causes to reunite.If line density is too small, the fault of the modified short fibre of the grapheme material prepared
It can increase, breaking strength can decline, and influence the quality of product；If length is excessive, reduced stiffness can not mutually be built with natural feather
More space out, then warmth retention property weakens.
It preferably, is the matter of the modified short fibre of the grapheme material in terms of 100% by the gross mass of the natural feather composite material
Amount percentage composition is 10-50%, such as 15%, 20%, 25%, 30%, 35%, 40%, 45% etc..
In the present invention, if the content of the modified short fibre of graphene is too low, the bacteriostasis property of the natural feather composite material prepared
Standard requirements are not achieved, do not have too big effect simultaneously for natural feather cost is reduced, if the content mistake of the modified short fibre of graphene
The fluffy degree fall of height, then the natural feather composite material prepared can be very big, declines so as to cause the thermal insulation property of product.
Preferably, in the modified short fibre of the grapheme material, the mass percentage of grapheme material is 0.1-
2.0%, such as 0.2%, 0.5%, 0.8%, 1.0%, 1.2%, 1.5%, 1.8% etc..
If the content of grapheme material is too low, the functionality of the modified short fibre of graphene can be reduced, and standard requirements are not achieved,
If the too high levels of grapheme material, it will cause difficulty in spinning, the fibre defect of preparation be will increase, and intensity can decline, shadow
Ring the quality of fiber.
Preferably, the grapheme material include single-layer graphene, bilayer graphene, multi-layer graphene, modified graphene,
In graphene oxide and biomass graphene any one or at least two combination.
Preferably, in the modified short fibre of the grapheme material, it is short it is fine include terylene short fiber, the short fibre of polyamide fibre, acrylic staples,
Polypropylene chopped fiber, short rayon fiber or Modal it is short fibre in any one or at least two combination, further preferred terylene short fiber.
It is modified short fibre relative to other, the preferred terylene short fiber of the present invention has the advantages that matter is lighter, therefore mixed with natural feather
When conjunction, then it can avoid being layered due to quality difference, lead to the shortcomings that respectively reuniting；While the price of terylene short fiber is more just
Preferably, it is mixed with natural feather, can preferably reduce the cost of composite material.
Using the modified short fibre of grapheme material, cost is relatively low, mixes with natural feather, can reduce making for down thermal material
Use cost.
Preferably, the grapheme material it is modified short fine the preparation method is as follows:
Polymer be terylene, polyamide fibre or polypropylene fibre in any one or at least two combination, it is described the preparation method is as follows:
(1) grapheme material is mixed with polymer melting, is granulated, and obtains grapheme material modified master batch；
(2) grapheme material modified master batch and polymer are obtained into the modified short fibre of graphene by melt spinning；
Polymer is the combination of any one or at least two in acrylic fibers, viscose rayon or Modal fibre, the system
Preparation Method is as follows:
(A) grapheme material is mixed with polymer solution, is granulated, and obtains grapheme material modified slurry；
(B) grapheme material modified slurry and polymer paste are obtained into the modified short fibre of graphene by wet spinning.
Second aspect, the present invention provides the preparation method of the natural feather composite material according to first aspect, the system
Preparation Method includes the following steps:
(I) the modified short fibre of grapheme material is blown out into filamentous form using staged air velocity；
(II) the modified short fibre of the grapheme material of filamentous form is mixed with natural feather, obtains the natural feather composite material.
Preparation method of the invention solves the problems, such as that the modified short fibre of grapheme material mixes unevenness with natural feather: the present invention is logical
The method short fine progress shredding modified to grapheme material for crossing air-flow shredding, is different from previous short fine conventional shredding mode
(opener), the present invention by the way of air-flow shredding, after shredding can be made it is short it is fine filamentous form is presented, can well with
Natural feather mixing.
Filamentous form of the present invention refers to the short fine shredding by cluster cluster at a piece shape form, Neng Gouqing
Chu sees that short fibre is dispersed into one or a few coherent state.
In the present invention, the staged air velocity is manufactured by the air pressure of staged pressure.
Preferably, the staged pressure are as follows: after keeping 10-15s (such as 11s, 12s, 13s, 14s etc.) at 0.8MPa
At 0.6MPa keep 30-40s (such as 32s, 34s, 36s, 38s etc.), finally 0.4MPa keep 60-80s (such as 65s,
68s, 70s, 75s etc.).
By the way that mix stages are arranged with different pressure, generate different degrees of air velocity it is modified to graphene it is short it is fine into
Row shredding, if pressure is excessive, air velocity is excessive, certain damage can be caused to the quality of the modified short fibre of graphene, if pressure
Power is too small, then the modified short fibre of grapheme material cannot be made to be fully rotatable that the effect for blowing out filamentous form is not achieved.
Preferably, step (II) is described is mixed into the modified short fibre of grapheme material that natural feather is added to filamentous form in batches
In mixed.
Preferably, the number being added portionwise is 10-12 times, such as 11 times.
Preferably, the weight that every batch of is added is identical.
Preferably, described be blended under stirring carries out, and the stirring is pneumatic stirring.
Preferably, the gas flow rate of the pneumatic stirring is 30-40m/s, such as 32m/s, 34m/s, 36m/s, 38m/s
Deng.
Under pneumatic stirring, mixed using natural feather is added in mixing vessel step by step with the modified short fibre of grapheme material
It closes, it can be ensured that the modified short fine and natural feather of grapheme material is sufficiently mixed.
It in the present invention, further include pre- shredding before step (I).
Preferably, in the pre- opening processes, opener hired roughneck's revolving speed is 1400-1600r/min, such as 1450r/
Min, 1500r/min, 1550r/min etc., hired roughneck to feed roll motor gauge are 5-6mm, such as 5.2mm, 5.5mm, 5.8mm etc..
Under the parameter of above-mentioned opener, the slippery of fiber can be neither being damaged, and fiber can be made to reach ideal fluffy
Loose effect.
In the prior art, shredding only includes the step of pre- shredding of meaning of the invention, and pre- shredding can only be by agglomerate fibre
Tie up the form of shredding fasciculation, modified short fibre of the grapheme material of pencil form is mixed with natural feather, certainly exist it is uniformly mixed compared with
For difficult disadvantage.And the present invention combines pre- shredding with air-flow shredding, can make the modified short fine shredding of grapheme material
More thorough, the short fine presentation filamentous form after making shredding, the modified short fibre of the grapheme material of filamentous form mixes more with natural feather
To be easy to be uniformly mixed.
As optimal technical scheme, the preparation method includes the following steps:
(I) using the pre- shredding of opener short fine progress modified to grapheme material, the grapheme material after pre- shredding is changed
Property the staged air velocity that manufactures of the short fine air pressure by using staged pressure blow out filamentous form；
(II) natural feather is mixed under pneumatic stirring with the modified short fibre of the grapheme material of filamentous form in batches, is obtained described
Natural feather composite material.
The third aspect, the present invention provides natural feather composite material the answering in heat insulating material according to first aspect
With.
Compared with the existing technology, the invention has the following advantages:
(1) while natural feather composite material provided by the invention has good biocidal property, far infrared and antistatic property,
The modified short fine and natural feather of grapheme material can be supported mutually, have the space of more storage air, therefore, plumage of the invention
Suede composite material has both thermal property；Also, phase mutual friction static electrification is easy between natural feather to reunite, graphene is modified short fibre
In contain graphene, itself have the function of it is antistatic, can neutralize natural feather due to friction generate electrostatic, improve reunion asks
Topic；
(2) present invention combines pre- shredding with air-flow shredding, can make the modified short fine shredding of grapheme material more
Thoroughly, the short fine presentation filamentous form after making shredding, and in the modified short fine mixing of the grapheme material of natural feather and filamentous form
In the process, by the way of natural feather and pneumatic stirring is added step by step, it can be ensured that the modified short fibre of grapheme material is mixed with natural feather
More uniformly.
(3) biocidal property is had both while natural feather composite material provided by the invention is good with warmth retention property, wherein for large intestine
The bacteriostasis rate of bacillus reaches as high as 94% or more up to 78% or more；To the bacteriostasis rate of staphylococcus aureus up to 77% with
On, reach as high as 95% or more；To the bacteriostasis rate of Candida albicans up to 75% or more, 91% or more is reached as high as；Heat insulating ability
85.72% or more can be reached as high as 77.12% or more.
Specific embodiment
The technical scheme of the invention is further explained by means of specific implementation.Those skilled in the art should be bright
, the described embodiments are merely helpful in understanding the present invention, should not be regarded as a specific limitation of the invention.
Preparation example 1
A kind of short fibre of grapheme material modified dacron, wherein grapheme material is biomass graphene, mass percentage
It is 1%；Line density is 0.9D, length 9mm.
The preparation method is as follows:
(1) 2 parts of dispersing agents, 10 parts of biomass graphenes, 88 parts of terylene chips powder are mixed, it is mixed using powder
Material machine carries out being thoroughly mixed 30min, then the powder mixed is carried out melt pelletization by screw extruder, obtains biology
Matter graphene modified dacron master batch.
(2) it takes 10 parts of biomass graphene modified dacron master batches, 90 parts of terylene chips to be uniformly mixed, passes through melt spinning machine
Spinning is carried out, spun filament is obtained.
(3) by spun filament progress boundling-drawing-off-is formed-oil-cutting-be packaged, it is modified that biomass graphene is prepared
Terylene short fiber.
Preparation example 2
A kind of short fibre of grapheme material modified acrylic fibers, wherein grapheme material is biomass graphene, mass percentage
It is 1%；Line density 0.9D, length 9mm.
The preparation method is as follows:
The short fibre of graphene modified acrylic fibers is prepared using the preparation method of the CN104862807A embodiment 1 provided.
Preparation example 3
A kind of short fibre of grapheme material modified nylon, wherein grapheme material is biomass graphene, mass percentage
It is 1%；Line density 0.9D, length 9mm.
The preparation method is as follows:
(1) 2 parts of dispersing agents, 10 parts of biomass graphenes, 88 parts of slices of caprone powder are mixed, it is mixed using powder
Material machine carries out being thoroughly mixed 30min, then the powder mixed is carried out melt pelletization by screw extruder, obtains biology
Matter graphene modified nylon master batch.
(1) it takes 10 parts of biomass graphene modified nylon master batches, 90 parts of slices of caprone to be uniformly mixed, passes through melt spinning machine
Spinning is carried out, spun filament is obtained.
3) by spun filament progress boundling-drawing-off-is formed-oil-cutting-be packaged, it is modified that biomass graphene is prepared
The short fibre of polyamide fibre.
Preparation example 4-6
Difference with preparation example 1 is, by changing spinning pack and drafting multiple, keeps the graphene finally obtained modified
The line density of short fibre is 2.5D, and length is 9mm (preparation example 4), line density 0.7D, and length is 9mm (preparation example 5), line density
For 0.9D, length is 22mm (preparation example 6).
Preparation example 7-10
Difference with preparation example 1 is, changes the additional amount of biomass graphene and terylene, makes the matter of biomass graphene
Amount percentage composition is 0.1% (preparation example 7), 2.0% (preparation example 8), 0.05% (preparation example 9), 2.5% (preparation example 10).
The grapheme material provided using preparation example 1-10 it is modified it is short it is fine with natural feather is compound prepares natural feather composite material
Embodiment 1
A kind of natural feather composite material, the modified short fine and 80wt% plumage of grapheme material provided by the preparation example 1 of 20wt%
Suede composition.
The preparation method is as follows:
(1) using the opener fine pre- shredding of progress short to 20g grapheme material modified dacron, opener hired roughneck's revolving speed is
1500r/min, hired roughneck to feed roll motor gauge are 6mm.
(2) the short fine air pressure using 0.8MPa pressure of the grapheme material modified dacron after pre- shredding air-flow is carried out to open
Pine, shredding time are 10s, and air pressure is then reduced to 0.6MPa, and the shredding time is 30s, and atmospheric pressure is finally reduced to 0.4MPa
Continue shredding 60s, fiber is then delivered in mixing chamber at a Filamentous form.
(3) in mixing chamber, by 80g natural feather point 10 times, each 8g is added to the good grapheme material modified dacron of shredding
In short fibre, using pneumatic stirring mixing 10min, natural feather composite material is obtained.
Embodiment 2-3
The difference from embodiment 1 is that the short fibre of grapheme material modified dacron that preparation example 1 provides is replaced with preparation example
The modified short fibre of the grapheme material that 2-3 is provided.
Embodiment 4-6
The difference from embodiment 1 is that in the present embodiment, the grapheme material modified dacron that preparation example 1 is provided is short
Fibre replaces with the modified short fibre of grapheme material of preparation example 4-6 offer.
Embodiment 7-10
The difference from embodiment 1 is that in the present embodiment, the grapheme material modified dacron that preparation example 1 is provided is short
Fibre replaces with the modified short fibre of grapheme material of preparation example 7-10 offer.
Embodiment 11-16
The difference from embodiment 1 is that making graphene by changing modified short fine and natural feather the additive amount of grapheme material
The mass percentage of the short fibre of material modification is 30% (embodiment 11), 40% (embodiment 12), 50% (embodiment 13), 10%
(embodiment 14), 5% (embodiment 15), 55% (embodiment 16).
Embodiment 17
The difference from embodiment 1 is that step (2) is replaced with following steps: the grapheme material after pre- shredding is changed
Property terylene short fiber using 0.8MPa pressure air pressure carry out air-flow shredding, the shredding time be 100s, be then delivered in mixing chamber.
Embodiment 18
The difference from embodiment 1 is that step (2) is replaced with following steps: the grapheme material after pre- shredding is changed
Property terylene short fiber using 0.4MPa pressure air pressure carry out air-flow shredding, the shredding time be 100s, be then delivered in mixing chamber.
Embodiment 19
The difference from embodiment 1 is that step (3) is replaced with following steps: in mixing chamber, 80g natural feather being added
In the short fibre of the grapheme material modified dacron good to shredding, it is uniformly mixed using pneumatic stirring, obtains natural feather composite material.
Embodiment 20
The difference from embodiment 1 is that step (3) is replaced with following steps: by 80g natural feather point 10 times, each 8g adds
Enter into the short fibre of the good grapheme material modified dacron of shredding, the 10min time is mixed using mechanical stirring, obtains natural feather composite wood
Material.
Embodiment 21
The difference from embodiment 1 is that step (3) is replaced with following steps: in mixing chamber, 80g natural feather being added
In the short fibre of the grapheme material modified dacron good to shredding, 10min is mixed using mechanical stirring, obtains natural feather composite material.
Embodiment 22
The difference from embodiment 1 is that omitting step (1), the short fine progress of 20g grapheme material modified dacron is directly utilized
Step (2) (3).
Comparative example 1
The difference from embodiment 1 is that the modified short fibre of grapheme material is replaced with into terylene short fiber, line density 0.9D,
Length is 9mm.
Comparative example 2
The difference from embodiment 1 is that step (2) and (3) are replaced with following steps: by the grapheme material of pre- shredding
Modified short fibre is mixed with natural feather mechanical stirring, obtains natural feather composite fibre.
Performance test
Performance test is provided to embodiment 1-22 and comparative example 1-2, the method is as follows:
(1) biocidal property: reference standard GB/T 20944.3-2008 " evaluation of textile bacteriostasis property " is tested；
(2) warmth retention property: reference standard GB/T 11048-2008 " thermal resistance and wet under textile physiological comfort limit
The measurement of resistance " test method tested；Test result is shown in Table 1:
Table 1
By embodiment and performance test it is found that while natural feather composite material provided by the invention has excellent biocidal property
Warmth retention property is excellent, wherein for Escherichia coli bacteriostasis rate up to 78% or more, reach as high as 94% or more；To golden yellow Portugal
The bacteriostasis rate of grape coccus reaches as high as 95% or more up to 77% or more；To the bacteriostasis rate of Candida albicans up to 75% or more,
Reach as high as 91% or more；Thermal insulation property reaches as high as 85.72% or more 77.12% or more.
By the comparison of embodiment 1 and embodiment 2-3 it is found that using the short fibre of grapheme material modified dacron making to finally obtain
Natural feather composite material has more excellent thermal insulation property；By the comparison of embodiment 1 and embodiment 4-6 it is found that only using line density
In 0.9-2.0D, length can just make each group in the natural feather composite material finally obtained less than the modified short fibre of the grapheme material of 20mm
It is uniformly dispersed and warmth retention property is good；By the comparison of embodiment 1 and embodiment 7-10 it is found that the mass percentage of grapheme material
The modified short fibre of grapheme material within the scope of 0.1-2.0% can just make the natural feather composite material finally obtained have preferably suppression
Bacterium property and thermal insulation property；By the comparison of embodiment 1 and embodiment 11-16 it is found that when grapheme material is modified the quality hundred of short fibre
When point content is within the scope of 10-50%, the warmth retention property of the natural feather composite material finally obtained is good, good antimicrobial effect；By embodiment 1
Comparison with embodiment 17-22 is it is found that using staged air-flow shredding, and the step of in conjunction with pre- shredding, last natural feather is in batches
It is mixed under pneumatic stirring, each component in the natural feather composite material finally obtained can be made to be uniformly dispersed (from pair of warming data
It is found that being uniformly dispersed than in, then warmth retention property is good).
By the comparison of embodiment 1 and comparative example 1 it is found that the natural feather composite material that removal grapheme material then finally obtains loses
Remove fungistatic effect.By the comparison of embodiment 1 and comparative example 2 it is found that may insure graphene material using preparation method of the invention
The modified short fibre of material is more uniformly dispersed in natural feather.
The Applicant declares that the present invention is explained by the above embodiments natural feather composite material and preparation method of the invention
And application, but the invention is not limited to above-mentioned method detaileds, that is, do not mean that the present invention must rely on above-mentioned method detailed
It can implement.It should be clear to those skilled in the art, any improvement in the present invention, to each raw material of product of the present invention
Addition, selection of concrete mode of equivalence replacement and auxiliary element etc., all fall within protection scope of the present invention and the open scope it
It is interior.
Claims (10)
1. a kind of natural feather composite material, which is characterized in that change including natural feather and the grapheme material being dispersed in natural feather
The short fibre of property.
2. natural feather composite material according to claim 1, which is characterized in that the line of the modified short fibre of the grapheme material is close
Degree is 0.9-2D, and length is less than 20mm；
It preferably, is the quality hundred of the modified short fibre of the grapheme material in terms of 100% by the gross mass of the natural feather composite material
Dividing content is 10-50%.
3. natural feather composite material according to claim 1 or 2, which is characterized in that in the modified short fibre of the grapheme material
In, the mass percentage of grapheme material is 0.1-2.0%；
Preferably, the grapheme material includes single-layer graphene, bilayer graphene, multi-layer graphene, modified graphene, oxidation
In graphene and biomass graphene any one or at least two combination；
Preferably, short fine including terylene short fiber, the short fibre of polyamide fibre, acrylic staples, polypropylene fibre in the modified short fibre of the grapheme material
In short fine, short rayon fiber or the short fibre of Modal any one or at least two combination, further preferred terylene short fiber.
4. natural feather composite material described in any one of -3 according to claim 1, which is characterized in that the grapheme material changes
Property it is short fine the preparation method is as follows:
Polymer be terylene, polyamide fibre or polypropylene fibre in any one or at least two combination, it is described the preparation method is as follows:
(1) grapheme material is mixed with polymer melting, is granulated, and obtains grapheme material modified master batch；
(2) grapheme material modified master batch and polymer are obtained into the modified short fibre of graphene by melt spinning；
Polymer is the combination of any one or at least two in acrylic fibers, viscose rayon or Modal fibre, the preparation side
Method is as follows:
(A) grapheme material is mixed with polymer solution, is granulated, and obtains grapheme material modified slurry；
(B) grapheme material modified slurry and polymer paste are obtained into the modified short fibre of graphene by wet spinning.
5. the preparation method of natural feather composite material described in any one of -4 according to claim 1, which is characterized in that the system
Preparation Method includes the following steps:
(I) the modified short fibre of grapheme material is blown out into filamentous form using staged air velocity；
(II) the modified short fibre of the grapheme material of filamentous form is mixed with natural feather, obtains the natural feather composite material.
6. preparation method according to claim 5, which is characterized in that the staged air velocity passes through staged pressure
Air pressure manufacture；
Preferably, the staged pressure are as follows: keep 30-40s at 0.6MPa after keeping 10-15s at 0.8MPa, finally exist
0.4MPa keeps 60-80s.
7. preparation method according to claim 5 or 6, which is characterized in that step (II) is described to be mixed into natural feather in batches
It is added in the modified short fibre of grapheme material of filamentous form and is mixed；
Preferably, the number being added portionwise is 10-12 times；
Preferably, the weight that every batch of is added is identical；
Preferably, described be blended under stirring carries out, and the stirring is pneumatic stirring；
Preferably, the gas flow rate of the pneumatic stirring is 30-40m/s.
8. the preparation method according to any one of claim 5-7, which is characterized in that further include pre- before step (I)
Shredding；
Preferably, in the pre- opening processes, opener hired roughneck's revolving speed be 1400-1600r/min, hired roughneck to feed roll motor every
Away from for 5-6mm.
9. the preparation method according to any one of claim 5-8, which is characterized in that the preparation method includes as follows
Step:
(I) using the pre- shredding of opener short fine progress modified to grapheme material, the grapheme material modification after pre- shredding is short
Fibre blows out filamentous form by the staged air velocity that the air pressure using staged pressure manufactures；
(II) natural feather is mixed under pneumatic stirring with the modified short fibre of the grapheme material of filamentous form in batches, obtains the natural feather
Composite material.
10. application of the natural feather composite material in heat insulating material described in any one of -4 according to claim 1.
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