CN105970344A - Fibroin polylactic acid fiber containing silk fibroin modified polylactic acid - Google Patents
Fibroin polylactic acid fiber containing silk fibroin modified polylactic acid Download PDFInfo
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- CN105970344A CN105970344A CN201610319812.1A CN201610319812A CN105970344A CN 105970344 A CN105970344 A CN 105970344A CN 201610319812 A CN201610319812 A CN 201610319812A CN 105970344 A CN105970344 A CN 105970344A
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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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
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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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
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- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Artificial Filaments (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention provides a fibroin polylactic acid fiber containing silk fibroin modified polylactic acid. DL-lactide and polyethylene glycol are added into a silk fibroin water solution, silk fibroin modified polylactic acid solution is obtained after stirring and reaction, silk polylactic acid composite yarns after irradiation pretreatment are immersed into the silk fibroin modified polylactic acid solution and subjected to ultrasonic washing and drying to obtain the fibroin polylactic acid fiber containing the silk fibroin modified polylactic acid. The cross section of the fibroin polylactic acid fiber containing the silk fibroin modified polylactic acid is of a skin-core structure, a core layer includes the silk polylactic acid composite yarns, and a skin layer includes the silk fibroin modified polylactic acid and is connected with the core layer through chemical bonds and hydrogen bonds. The fibroin polylactic acid fiber containing the silk fibroin modified polylactic acid is fine in mechanical strength, green, skin-friendly and fine in serviceability, and can be used in the field of textiles and medical treatment.
Description
Technical field:
The invention belongs to textile material technical field, be specifically related to the poly-breast of a kind of fibroin containing fibroin albumen polydactyl acid
Acid fiber.
Background technology:
Along with the development of Science & Society, chemistry, macromolecule are developed rapidly with nanotechnology, but with tradition
Chemical mode produce chemical fibre environment and resource are caused the biggest burden, therefore to society is sustainable
Development, protection environment and use regenerated resources are increasingly subject to the concern of people.At field of textiles, people are to fiber not only
Requirement taking is good, and bright color is novel, also requires environmental protection, and pro-skin is comfortable.
Acid fiber by polylactic, also known as corn fiber, PLA fiber, is the lactic acid converted with the amylofermentation such as Semen Maydis, Semen Tritici aestivi
As raw material, monomer lactic acid Cyclodimerization synthesizing lactide, lactide ring-opening polymerisation again synthesizes, it is possible to straight by lactic acid
Connecing polymerization, melt spinning forms fiber.Acid fiber by polylactic is not because using the raw materials such as petrochemical industry, during production and processing
Less energy consumption, pollutes few, and does not produce carbon monoxide toxic gas when biodegradation and burning, be most with prospects
One of green fiber.
Silkworm silk is a kind of native protein, has excellent mechanicalness and pro-skin performance, is usually referred to as fiber queen, and
And the good processability of silkworm silk, fiber, powder, gel, solution, thin film etc. can be made into according to different purposes many
The form of kind, improves the functional of composite as base material or additive.
Zein fibers in the market is that extraction protein is as raw material, with acid fiber by polylactic altogether from animals and plants
Mix, cross-link, be grafted after form spinning liquid, after through spinning, solidification, drawing-off, be dried, crimp, the technique such as sizing
The fiber obtained.Machinability and the mechanical strength of this fiber material are more weak, poor practicability.
China's document (" fibroin polylactic acid blend fibre property research ", Gu Wei, University Of Suzhou's Master's thesis, 2006
On May 15) disclosed in fibroin polylactic acid blend fiber be will to be dissolved in dry particles of polylactic acid after fibroin film forming
HFIP solvent, obtains spinning liquid, through wet spinning, heat setting, setting after vibration dissolving, filtration, vacuum froth breaking
Obtain fibroin polylactic acid blend fiber.Fibroin polylactic acid blend fiber prepared by the method is strong compared with regenerated fibroin fiber
Degree and extend little, tapers off trend along with the raising of polylactic acid proportion, fracture strength and extension at break in blended fiber.
A kind of fibroin/polylactic acid blend material disclosed in Chinese patent CN 104530670A (publication date 2015.4.22)
Material and melt blending preparation method thereof, carried out fibroin, polylactic acid, fibroin at a high speed with copolymer of poly lactic acid
Mixing, heated melting mixing obtains silkworm silk egg after obtaining the blend of polylactic acid and fibroin albumen, more extruded pelletize
In vain/polylactic acid blend material, fibroin prepared by the method and the form of polylactic acid blend are granular, functional
It is very limited, it is impossible to as textile fabric.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid,
Using silk fibroin water solution, DL-lactide and Polyethylene Glycol as the modified PLA solution of raw material thread fibroin, then
The silkworm silk polylactic acid composite yarn of irradiated pretreatment is immersed the fibroin polylactic acid obtained containing fibroin albumen polydactyl acid fine
Dimension.The mechanical strength of the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid prepared by this method is good, green parent
Skin, taking is good.
For solving above-mentioned technical problem, the technical scheme is that
A kind of fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid, it is characterised in that described change containing fibroin albumen
The fibroin acid fiber by polylactic of property polylactic acid includes that fibroin albumen and polylactic acid, the physical aspect of described fibroin albumen are liquid
Body and fiber, the non-liquid of physical aspect of described polylactic acid and fiber, fibroin albumen in described fibroin acid fiber by polylactic
Mass fraction is 30-60%.
Preferred as technique scheme, the described fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid contains skin
Layer and sandwich layer, described sandwich layer is silkworm silk polylactic acid composite yarn, and described cortex is the polylactic acid that fibroin albumen is modified, described
Connected by chemical bond and hydrogen bond between cortex and sandwich layer.
Present invention also offers the preparation method of a kind of fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid, including
Following steps:
(1) by silkworm silk through boiling degumming, after washes clean, room temperature dries the silk fiber obtaining pretreatment, by pretreatment
Silk fiber dissolve and form silk fibroin water solution after dialysis treatment, hand over silk fibroin water solution adds DL-third
Ester and Polyethylene Glycol, stirring reaction obtains the PLA solution that fibroin albumen is modified；
(2) silk fiber of pretreatment prepared by step (1) and 5-8 root acid fiber by polylactic boundling arranged in parallel,
And twist formation silkworm silk polylactic acid composite yarn；
(3), after the silkworm silk irradiated pretreatment of polylactic acid composite yarn step (2) prepared, step (1) is immediately entered
Vibration dipping in the PLA solution that the fibroin albumen of preparation is modified, takes out and dries, after ultrasonic washing, be dried to obtain and contain
The fibroin acid fiber by polylactic of fibroin albumen polydactyl acid.
Preferred as technique scheme, in described step (1), the silk fiber of pretreatment is continuous fiber, silkworm
The fiber number of silk fiber is 20/22D.
Preferred as technique scheme, in described step (1), in silk fibroin water solution, fibroin albumen is relative
Molecular mass is 10000-25000, and in silk fibroin water solution, the mass fraction of fibroin albumen is 2-10%.
Preferred as technique scheme, in described step (1), silk fibroin water solution, DL-lactide and poly-
The volume ratio of ethylene glycol is 80-100:3-5:2-6.
Preferred as technique scheme, in described step (2), the fiber number of acid fiber by polylactic is 2-5D.
Preferred as technique scheme, in described step (2), the twist of twisting is 400-1200 sth. made by twisting/10cm.
Preferred as technique scheme, in described step (3), irradiation pretreatment is spoke under 10-20kGy intensity
Penetrate 3-5min.
Preferred as technique scheme, in described step (3), the temperature of vibration dipping is 35-40 DEG C, vibration
The time of dipping is 15-30min.
Compared with prior art, the method have the advantages that
(1) acid fiber by polylactic is the most satiny, submissive pendency, and moisture absorption is breathed freely, and silkiness is soft comfortable, and mechanical strength is good,
And heat resistance and uvioresistant performance are excellent, silkworm silk is the fibrous material of a kind of function admirable, the fibroin that silkworm silk contains
Albumen is also the protein of a kind of pure natural, similar with collagen protein, good to the biocompatibility of human body, skin-friendly
Good, the function admirable of the fibroin acid fiber by polylactic of the preparation that both combined, environmental protection, pro-skin is comfortable.
(2) the fibroin acid fiber by polylactic that prepared by the present invention is skin-core structure, and sandwich layer is silkworm silk polylactic acid composite yarn, sandwich layer
Use silk fiber and acid fiber by polylactic as raw material, first ensure that the purity of the raw material of fibroin acid fiber by polylactic, only
Containing fibroin albumen and polylactic acid, and silk can be ensured by silk fiber and acid fiber by polylactic are compounded to form composite yarn
The mechanicalness of element acid fiber by polylactic is good, it is to avoid the problem that blend fibre mechanical strength is low occur.
(3) the fibroin acid fiber by polylactic that prepared by the present invention is skin-core structure, and cortex is the polylactic acid that fibroin albumen is modified,
The polylactic acid that fibroin albumen is modified not only contains fibroin albumen but also containing polylactic acid, the most not only contain fibroin albumen block but also contain
Having polylactic acid block, therefore silk fiber and acid fiber by polylactic to sandwich layer all have affinity, be conducive at cortex and
Form chemical bond and hydrogen bond between sandwich layer, it is ensured that firm between skin-core structure, and the silkworm silk polylactic acid of sandwich layer is combined
The surface of yarn processes through pre-irradiated, has activated the surface of fiber, advantageously in modified with the fibroin albumen of cortex
Polylactic acid combines and forms stable connection.
(4) the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid prepared by the present invention comprises only fibroin albumen and
Two kinds of raw materials of polylactic acid, the fibroin acid fiber by polylactic of preparation breast poly-with conventional silkworm silk polylactic acid composite yarn and simple fibroin
It is more homogeneous that material distribution compared by acid fiber, and performance can add to be stablized, and mechanical strength is higher, and biocompatibility is more preferable, uses
Scope is more extensive, and environmental protection can be used for weaving and medical field.
Detailed description of the invention:
The present invention is described in detail, in illustrative examples and the explanation of this present invention below in conjunction with specific embodiment
It is used for explaining the present invention, but not as a limitation of the invention.
Embodiment 1:
(1) by the silkworm silk continuous fiber of 20/22D through boiling degumming, after washes clean, room temperature is dried and is obtained pretreatment
Silk fiber, forms the fibroin albumen that mass fraction is 2% water-soluble after the silk fiber of pretreatment is dissolved dialysis treatment
Liquid, wherein the relative molecular mass of fibroin albumen is 10000, then by silk fibroin water solution that parts by volume is 80
Adding in the DL-lactide of 3 parts and the Polyethylene Glycol of 2 parts, the polylactic acid that stirring reaction obtains fibroin albumen modified is molten
Liquid.
(2) silk fiber of pretreatment prepared by step (1) and the acid fiber by polylactic boundling arranged in parallel of 5 2D,
And twist 400 sth. made by twisting/10cm and form silkworm silk polylactic acid composite yarn.
(3) silkworm silk polylactic acid composite yarn step (2) prepared is under 10kGy intensity after irradiation pretreatment 3min,
Immediately enter vibration dipping 15min, taking-up at 35 DEG C in the PLA solution of fibroin albumen modification prepared by step (1)
Dry, after ultrasonic washing, be dried to obtain the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid.
Embodiment 2:
(1) by the silkworm silk continuous fiber of 20/22D through boiling degumming, after washes clean, room temperature is dried and is obtained pretreatment
Silk fiber, forms the fibroin albumen that mass fraction is 10% water-soluble after the silk fiber of pretreatment is dissolved dialysis treatment
Liquid, wherein the relative molecular mass of fibroin albumen is 25000, then by silk fibroin water solution that parts by volume is 100
Adding in the DL-lactide of 5 parts and the Polyethylene Glycol of 6 parts, the polylactic acid that stirring reaction obtains fibroin albumen modified is molten
Liquid.
(2) silk fiber of pretreatment prepared by step (1) and the acid fiber by polylactic boundling arranged in parallel of 8 5D,
And twist 1200 sth. made by twisting/10cm and form silkworm silk polylactic acid composite yarn.
(3) silkworm silk polylactic acid composite yarn step (2) prepared is under 20kGy intensity after irradiation pretreatment 5min,
Immediately enter vibration dipping 30min, taking-up at 40 DEG C in the PLA solution of fibroin albumen modification prepared by step (1)
Dry, after ultrasonic washing, be dried to obtain the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid.
Embodiment 3:
(1) by the silkworm silk continuous fiber of 20/22D through boiling degumming, after washes clean, room temperature is dried and is obtained pretreatment
Silk fiber, forms the fibroin albumen that mass fraction is 5% water-soluble after the silk fiber of pretreatment is dissolved dialysis treatment
Liquid, wherein the relative molecular mass of fibroin albumen is 20000, then by silk fibroin water solution that parts by volume is 90
Adding in the DL-lactide of 4 parts and the Polyethylene Glycol of 3 parts, the polylactic acid that stirring reaction obtains fibroin albumen modified is molten
Liquid.
(2) silk fiber of pretreatment prepared by step (1) and the acid fiber by polylactic boundling arranged in parallel of 6 4D,
And twist 600 sth. made by twisting/10cm and form silkworm silk polylactic acid composite yarn.
(3) silkworm silk polylactic acid composite yarn step (2) prepared is under 15kGy intensity after irradiation pretreatment 4min,
Immediately enter vibration dipping 20min, taking-up at 37 DEG C in the PLA solution of fibroin albumen modification prepared by step (1)
Dry, after ultrasonic washing, be dried to obtain the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid.
Embodiment 4:
(1) by the silkworm silk continuous fiber of 20/22D through boiling degumming, after washes clean, room temperature is dried and is obtained pretreatment
Silk fiber, forms the fibroin albumen that mass fraction is 8% water-soluble after the silk fiber of pretreatment is dissolved dialysis treatment
Liquid, wherein the relative molecular mass of fibroin albumen is 15000, then by silk fibroin water solution that parts by volume is 85
Adding in the DL-lactide of 3 parts and the Polyethylene Glycol of 5 parts, the polylactic acid that stirring reaction obtains fibroin albumen modified is molten
Liquid.
(2) silk fiber of pretreatment prepared by step (1) and the acid fiber by polylactic boundling arranged in parallel of 7 3D,
And twist 800 sth. made by twisting/10cm and form silkworm silk polylactic acid composite yarn.
(3) silkworm silk polylactic acid composite yarn step (2) prepared is under 10kGy intensity after irradiation pretreatment 5min,
Immediately enter vibration dipping 25min, taking-up at 35 DEG C in the PLA solution of fibroin albumen modification prepared by step (1)
Dry, after ultrasonic washing, be dried to obtain the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid.
Embodiment 5:
(1) by the silkworm silk continuous fiber of 20/22D through boiling degumming, after washes clean, room temperature is dried and is obtained pretreatment
Silk fiber, forms the fibroin albumen that mass fraction is 6% water-soluble after the silk fiber of pretreatment is dissolved dialysis treatment
Liquid, wherein the relative molecular mass of fibroin albumen is 13000, then by silk fibroin water solution that parts by volume is 100
Adding in the DL-lactide of 3 parts and the Polyethylene Glycol of 5 parts, the polylactic acid that stirring reaction obtains fibroin albumen modified is molten
Liquid.
(2) silk fiber of pretreatment prepared by step (1) and the acid fiber by polylactic boundling arranged in parallel of 5 5D,
And twist 1000 sth. made by twisting/10cm and form silkworm silk polylactic acid composite yarn.
(3) silkworm silk polylactic acid composite yarn step (2) prepared is under 10kGy intensity after irradiation pretreatment 5min,
Immediately enter vibration dipping 15min, taking-up at 35 DEG C in the PLA solution of fibroin albumen modification prepared by step (1)
Dry, after ultrasonic washing, be dried to obtain the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid.
Embodiment 6:
(1) by the silkworm silk continuous fiber of 20/22D through boiling degumming, after washes clean, room temperature is dried and is obtained pretreatment
Silk fiber, forms the fibroin albumen that mass fraction is 10% water-soluble after the silk fiber of pretreatment is dissolved dialysis treatment
Liquid, wherein the relative molecular mass of fibroin albumen is 10000, then by silk fibroin water solution that parts by volume is 80
Adding in the DL-lactide of 5 parts and the Polyethylene Glycol of 5 parts, the polylactic acid that stirring reaction obtains fibroin albumen modified is molten
Liquid.
(2) silk fiber of pretreatment prepared by step (1) and the acid fiber by polylactic boundling arranged in parallel of 6 4D,
And twist 1000 sth. made by twisting/10cm and form silkworm silk polylactic acid composite yarn.
(3) silkworm silk polylactic acid composite yarn step (2) prepared is under 20kGy intensity after irradiation pretreatment 3min,
Immediately enter vibration dipping 15min, taking-up at 40 DEG C in the PLA solution of fibroin albumen modification prepared by step (1)
Dry, after ultrasonic washing, be dried to obtain the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid.
After testing, the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid that prepared by embodiment 1-6 and existing skill
The silkworm silk polylactic acid composite yarn of art and the content of fibroin of fibroin acid fiber by polylactic, diameter, ultimate strength, extension at break
The result of rate is as follows:
As seen from the above table, the mechanical strength of the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid prepared by the present invention
Being much better than silkworm silk polylactic acid composite yarn and the fibroin acid fiber by polylactic of prior art, therefore range is extensive.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any ripe
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage knowing this technology
Become.Therefore, art has usually intellectual such as without departing from disclosed spirit and technology
All equivalences completed under thought are modified or change, and must be contained by the claim of the present invention.
Claims (10)
1. the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid, it is characterised in that institute
State the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid and include fibroin albumen and polylactic acid, institute
The physical aspect stating fibroin albumen is liquid and fiber, the non-liquid of physical aspect of described polylactic acid and fibre
Dimension, in described fibroin acid fiber by polylactic, the mass fraction of fibroin albumen is 30-60%.
A kind of fibroin polylactic acid containing fibroin albumen polydactyl acid the most according to claim 1 is fine
Dimension, it is characterised in that the described fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid contains cortex
And sandwich layer, described sandwich layer is silkworm silk polylactic acid composite yarn, and described cortex is the poly-breast that fibroin albumen is modified
Acid, is connected by chemical bond and hydrogen bond between described cortex and sandwich layer.
A kind of fibroin polylactic acid containing fibroin albumen polydactyl acid the most according to claim 1 is fine
The preparation method of dimension, it is characterised in that: comprise the following steps:
(1) by silkworm silk through boiling degumming, after washes clean, room temperature dries the silk fibroin obtaining pretreatment
Dimension, forms silk fibroin water solution, by fibroin egg after the silk fiber of pretreatment dissolves dialysis treatment
Adding DL-lactide and Polyethylene Glycol in white water solution, stirring reaction obtains modified the gathering of fibroin albumen
Lactic acid solution；
(2) silk fiber of pretreatment step (1) prepared is parallel with 5-8 root acid fiber by polylactic
Arrangement boundling, and twist formation silkworm silk polylactic acid composite yarn；
(3), after the silkworm silk irradiated pretreatment of polylactic acid composite yarn prepared by step (2), enter immediately
Enter vibration dipping in the PLA solution of fibroin albumen modification prepared by step (1), take out and dry,
After ultrasonic washing, it is dried to obtain the fibroin acid fiber by polylactic containing fibroin albumen polydactyl acid.
A kind of preparation method the most according to claim 3, it is characterised in that: described step (
1) in, the silk fiber of pretreatment is continuous fiber, and the fiber number of silk fiber is 20/22D.
A kind of preparation method the most according to claim 3, it is characterised in that: described step (
1), in, in silk fibroin water solution, the relative molecular mass of fibroin albumen is 10000-25000, fibroin
In protein solution, the mass fraction of fibroin albumen is 2-10%.
A kind of preparation method the most according to claim 3, it is characterised in that: described step (
1), in, the volume ratio of silk fibroin water solution, DL-lactide and Polyethylene Glycol is 80-100:3-5:2
-6。
A kind of preparation method the most according to claim 3, it is characterised in that: described step (
2), in, the fiber number of acid fiber by polylactic is 2-5D.
A kind of preparation method the most according to claim 3, it is characterised in that: described step (
2), in, the twist of twisting is 400-1200 sth. made by twisting/10cm.
A kind of preparation method the most according to claim 3, it is characterised in that: described step (
3), in, irradiation pretreatment is radiation 3-5min under 10-20kGy intensity.
A kind of preparation method the most according to claim 3, it is characterised in that: described step
(3) in, the temperature of vibration dipping is 35-40 DEG C, and the time of vibration dipping is 15-30min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810819099.6A CN109112668B (en) | 2016-05-13 | 2016-05-13 | Preparation method of fibroin polylactic acid fiber |
| CN201610319812.1A CN105970344B (en) | 2016-05-13 | 2016-05-13 | A kind of fibroin acid fiber by polylactic of the polydactyl acid containing fibroin albumen |
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| CN201610319812.1A CN105970344B (en) | 2016-05-13 | 2016-05-13 | A kind of fibroin acid fiber by polylactic of the polydactyl acid containing fibroin albumen |
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| CN201810819099.6A Active CN109112668B (en) | 2016-05-13 | 2016-05-13 | Preparation method of fibroin polylactic acid fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109750382A (en) * | 2019-01-11 | 2019-05-14 | 石狮市中纺学服装及配饰产业研究院 | A kind of biodegradable composite fiber of polydactyl acid containing milk protein |
| CN112043878A (en) * | 2020-08-06 | 2020-12-08 | 苏州大学 | Anticoagulation blood vessel stent covering film and preparation method thereof |
| CN114426657A (en) * | 2021-10-15 | 2022-05-03 | 佛山市集北龙华海绵制造有限公司 | High-breathability antibacterial skin-friendly sponge and preparation method thereof |
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| CN115029830B (en) * | 2022-06-21 | 2024-04-09 | 湖南科力嘉纺织股份有限公司 | Method for preparing high-compactness cotton yarn by using compact spinning process |
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| CN102912502A (en) * | 2012-11-01 | 2013-02-06 | 江南大学 | Device and method for spinning nanofiber and filament composite yarns |
| CN104530670A (en) * | 2014-12-22 | 2015-04-22 | 南京林业大学 | Fibroin/polylactic acid blend material and melt-blending preparation method thereof |
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| CN112043878B (en) * | 2020-08-06 | 2022-09-06 | 苏州大学 | Anticoagulation blood vessel stent covering film and preparation method thereof |
| CN114426657A (en) * | 2021-10-15 | 2022-05-03 | 佛山市集北龙华海绵制造有限公司 | High-breathability antibacterial skin-friendly sponge and preparation method thereof |
| CN114426657B (en) * | 2021-10-15 | 2023-07-07 | 佛山市集北龙华海绵制造有限公司 | High-air-permeability antibacterial skin-friendly sponge and preparation method thereof |
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| CN105970344B (en) | 2018-07-20 |
| CN109112668A (en) | 2019-01-01 |
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