CN113122980A - Anti-tearing wool-stretch yarn blended yarn and preparation method thereof - Google Patents
Anti-tearing wool-stretch yarn blended yarn and preparation method thereof Download PDFInfo
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- CN113122980A CN113122980A CN202110400086.7A CN202110400086A CN113122980A CN 113122980 A CN113122980 A CN 113122980A CN 202110400086 A CN202110400086 A CN 202110400086A CN 113122980 A CN113122980 A CN 113122980A
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/442—Cut or abrasion resistant yarns or threads
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/02—Wool
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
- D10B2331/042—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET] aromatic polyesters, e.g. vectran
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/063—Load-responsive characteristics high strength
Abstract
The invention discloses an anti-tearing wool stretch yarn blended yarn and a preparation method thereof. In the process of preparing the blended yarn, the graphene oxide and the organic montmorillonite are compounded, the organic montmorillonite is loaded in the graphene oxide, the graphene oxide is prevented from agglomerating due to strong van der Waals force, the performance of the graphene oxide is improved, and the mechanical strength and the wear resistance of the blended yarn can be improved by blending the inorganic filler and the polytrimethylene terephthalate; meanwhile, a conductive network is formed in the blended yarn by compounding the graphene oxide and the organic montmorillonite, so that the antistatic performance and the antibacterial performance of the blended yarn can be improved; the tear-resistant wool stretch yarn blended yarn prepared by the invention is blended with the inorganic filler, so that higher mechanical strength is obtained, meanwhile, the inorganic filler also increases the crystal number of the composite fiber, reduces the crystal size, further improves the strength of the blended yarn, and has better practicability and production value.
Description
Technical Field
The invention relates to the technical field of spinning fabrics, in particular to an anti-tearing wool stretch yarn blended yarn and a preparation method thereof.
Background
With the rapid progress of social life, the requirements of people on the quality of life are further improved, and the clothes worn on the body are developed towards more comfortable, thinner and lighter.
The comfortable and elastic yarn is short fiber which can be blended with other fibers to improve the performance of each aspect, and has extremely high elasticity, and the yarn blended with the comfortable and elastic yarn is very common, but in the prior art, the yarn blended with the comfortable and elastic yarn has many defects, and although the comfort level is met, the strength of the yarn is poor.
The invention provides an anti-tearing wool-stretch blended yarn and a preparation method thereof to solve the problems.
Disclosure of Invention
The invention aims to provide a tear-resistant wool and stretch yarn blended yarn and a preparation method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the blended yarn is mainly prepared from wool and composite fibers.
Furthermore, the composite fiber is mainly prepared from polytrimethylene terephthalate, polyethylene terephthalate, polybutylene terephthalate and inorganic filler.
Further, the inorganic filler comprises graphene oxide and organic montmorillonite.
Further, the composite fiber comprises the following raw materials in parts by weight: by weight, 80-90 parts of polytrimethylene terephthalate, 15-20 parts of polyethylene terephthalate, 15-20 parts of polybutylene terephthalate and 5-10 parts of inorganic filler.
A preparation method of the tearing-resistant wool-stretch yarn blended yarn comprises the following steps:
s1: compounding graphene oxide and organic montmorillonite to prepare an inorganic filler;
s2: blending polytrimethylene terephthalate and inorganic filler to prepare a mixture;
s3: the mixture is melted and blended with polyethylene terephthalate and polybutylene terephthalate, extruded and spun to prepare composite fiber;
s4: and (3) blending the wool and the composite fiber to obtain blended yarn.
Further, the step S1:
placing graphene oxide in deionized water, heating in a water bath, uniformly stirring, ultrasonically dispersing for a period of time, adding organic montmorillonite, uniformly stirring, ultrasonically dispersing for a period of time, filtering, and drying for a period of time to prepare an inorganic filler for later use;
further, the step S2:
placing polytrimethylene terephthalate in N, N-dimethylformamide, uniformly stirring, ultrasonically dispersing for a period of time, adding an inorganic filler, uniformly stirring, and ultrasonically dispersing for a period of time to prepare a mixture;
further, the step S3:
putting the mixture into a double-screw extruder, adding polybutylene terephthalate and polyethylene terephthalate, carrying out melt blending, extruding through a spinneret plate after blending, cooling to room temperature, and carrying out heat treatment to obtain composite fibers;
further, the step S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
Further, the step S1:
placing graphene oxide in deionized water, heating to 30 ℃ in a water bath, mechanically stirring for 40min, ultrasonically dispersing for 20min, adding organic montmorillonite, mechanically stirring for 3h, ultrasonically dispersing for 2h, filtering, placing in an oven, and drying at 80 ℃ for 3h to obtain an inorganic filler for later use;
further, the step S2:
placing polytrimethylene terephthalate in N, N-dimethylformamide, mechanically stirring for 30min, ultrasonically dispersing for 15min, adding an inorganic filler, mechanically stirring for 1h, and ultrasonically dispersing for 20min to obtain a mixture;
further, the step S3:
placing the mixture into a double-screw extruder, adding polybutylene terephthalate and polyethylene terephthalate, carrying out melt blending at the screw temperature of 260 ℃ and the screw rotating speed of 20-30 r/min, extruding through a spinneret plate after blending, cooling to room temperature, and carrying out heat treatment to obtain composite fibers;
further, the step S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
Further, the heat treatment is to place the composite fiber cooled to room temperature in an environment with a temperature of 165 ℃, to stand for 20min, to apply a tensile force of 1N on the composite fiber for 40min, and to repeat the process four times.
Compared with the prior art, the invention has the following beneficial effects: the invention discloses an anti-tearing wool stretch yarn blended yarn and a preparation method thereof. In the process of preparing the blended yarn, the graphene oxide and the organic montmorillonite are compounded, the organic montmorillonite is loaded in the graphene oxide, the graphene oxide is prevented from agglomerating due to strong van der Waals force, the performance of the graphene oxide is improved, and the mechanical strength and the wear resistance of the blended yarn can be improved by blending the inorganic filler and the polytrimethylene terephthalate; meanwhile, a conductive network is formed in the blended yarn by compounding the graphene oxide and the organic montmorillonite, so that the antistatic performance and the antibacterial performance of the blended yarn can be improved;
meanwhile, the polyethylene glycol terephthalate and the polybutylene terephthalate are added in the preparation process of the composite fiber, the polypropylene glycol terephthalate has three methylene groups, the space structure is wavy, and the linear polyethylene glycol terephthalate is added to form a spiral structure, so that the mechanical property of the composite fiber is improved; the addition of the polybutylene terephthalate can increase the number of crystals formed by the crystallization of the polytrimethylene terephthalate, reduce the size of the crystals and improve the strength of the composite fiber;
meanwhile, the graphene oxide can play a role in heterogeneous nucleation in the crystallization process of the composite fiber, so that the crystallization rate of the composite fiber is further promoted, the number of crystals is increased, and the size of the crystals is reduced; meanwhile, polar ammonium ions in the organic montmorillonite can interact with polytrimethylene terephthalate, and the polytrimethylene terephthalate can be wrapped on the outer surface of the organic montmorillonite at high temperature, so that the obstruction of the polytrimethylene terephthalate to form crystal nuclei at high temperature is reduced;
the tear-resistant wool stretch yarn blended yarn prepared by the invention is blended with the inorganic filler, so that higher mechanical strength is obtained, meanwhile, the inorganic filler also increases the crystal number of the composite fiber, reduces the crystal size, further improves the strength of the blended yarn, and has better practicability and production value.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A preparation method of the tearing-resistant wool-stretch yarn blended yarn comprises the following steps:
s1: compounding graphene oxide and organic montmorillonite to prepare an inorganic filler;
s2: blending polytrimethylene terephthalate and inorganic filler to prepare a mixture;
s3: the mixture is melted and blended with polyethylene terephthalate and polybutylene terephthalate, extruded and spun to prepare composite fiber;
s4: and (3) blending the wool and the composite fiber to obtain blended yarn.
Wherein, S1:
placing graphene oxide in deionized water, heating to 30 ℃ in a water bath, mechanically stirring for 40min, ultrasonically dispersing for 20min, adding organic montmorillonite, mechanically stirring for 3h, ultrasonically dispersing for 2h, filtering, placing in an oven, and drying at 80 ℃ for 3h to obtain an inorganic filler for later use;
wherein, S2:
placing 80 parts of polytrimethylene terephthalate in N, N-dimethylformamide, mechanically stirring for 30min, ultrasonically dispersing for 15min, adding 5 parts of inorganic filler, mechanically stirring for 1h, and ultrasonically dispersing for 20min to obtain a mixture;
wherein, S3:
placing the mixture into a double-screw extruder, adding 15 parts of polybutylene terephthalate and 15 parts of polyethylene terephthalate, carrying out melt blending at the screw temperature of 260 ℃ and the screw rotating speed of 20-30 r/min, extruding through a spinneret plate after blending, cooling to room temperature, placing the fiber cooled to room temperature into an environment with the temperature of 165 ℃, standing for 20min, applying 1N tension on the fiber, continuing for 40min, and repeating for four times to obtain the composite fiber;
wherein, S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
Example 2
A preparation method of the tearing-resistant wool-stretch yarn blended yarn comprises the following steps:
s1: compounding graphene oxide and organic montmorillonite to prepare an inorganic filler;
s2: blending polytrimethylene terephthalate and inorganic filler to prepare a mixture;
s3: the mixture is melted and blended with polyethylene terephthalate and polybutylene terephthalate, extruded and spun to prepare composite fiber;
s4: and (3) blending the wool and the composite fiber to obtain blended yarn.
Wherein, S1:
placing graphene oxide in deionized water, heating to 30 ℃ in a water bath, mechanically stirring for 40min, ultrasonically dispersing for 20min, adding organic montmorillonite, mechanically stirring for 3h, ultrasonically dispersing for 2h, filtering, placing in an oven, and drying at 80 ℃ for 3h to obtain an inorganic filler for later use;
wherein, S2:
putting 85 parts of polytrimethylene terephthalate in N, N-dimethylformamide, mechanically stirring for 30min, ultrasonically dispersing for 15min, adding 8 parts of inorganic filler, mechanically stirring for 1h, and ultrasonically dispersing for 20min to obtain a mixture;
wherein, S3:
placing the mixture into a double-screw extruder, adding 17 parts of polybutylene terephthalate and 17 parts of polyethylene terephthalate, carrying out melt blending at the screw temperature of 260 ℃ and the screw rotating speed of 20-30 r/min, extruding through a spinneret plate after blending, cooling to room temperature, placing the fiber cooled to room temperature into an environment with the temperature of 165 ℃, standing for 20min, applying 1N tension on the fiber, continuing for 40min, and repeating for four times to obtain the composite fiber;
wherein, S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
Example 3
A preparation method of the tearing-resistant wool-stretch yarn blended yarn comprises the following steps:
s1: compounding graphene oxide and organic montmorillonite to prepare an inorganic filler;
s2: blending polytrimethylene terephthalate and inorganic filler to prepare a mixture;
s3: the mixture is melted and blended with polyethylene terephthalate and polybutylene terephthalate, extruded and spun to prepare composite fiber;
s4: and (3) blending the wool and the composite fiber to obtain blended yarn.
Wherein, S1:
placing graphene oxide in deionized water, heating to 30 ℃ in a water bath, mechanically stirring for 40min, ultrasonically dispersing for 20min, adding organic montmorillonite, mechanically stirring for 3h, ultrasonically dispersing for 2h, filtering, placing in an oven, and drying at 80 ℃ for 3h to obtain an inorganic filler for later use;
wherein, S2:
placing 90 parts of polytrimethylene terephthalate in N, N-dimethylformamide, mechanically stirring for 30min, ultrasonically dispersing for 15min, adding 10 parts of inorganic filler, mechanically stirring for 1h, and ultrasonically dispersing for 20min to obtain a mixture;
wherein, S3:
placing the mixture into a double-screw extruder, adding 20 parts of polybutylene terephthalate and 20 parts of polyethylene terephthalate, carrying out melt blending at the screw temperature of 260 ℃ and the screw rotating speed of 20-30 r/min, extruding through a spinneret plate after blending, cooling to room temperature, placing the fiber cooled to room temperature into an environment with the temperature of 165 ℃, standing for 20min, applying 1N tension on the fiber, continuing for 40min, and repeating for four times to obtain the composite fiber;
wherein, S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
Comparative example 1
A preparation method of the tearing-resistant wool-stretch yarn blended yarn comprises the following steps:
s1: compounding graphene oxide and organic montmorillonite to prepare an inorganic filler;
s2: blending polytrimethylene terephthalate and inorganic filler to prepare a mixture;
s3: the mixture and polybutylene terephthalate are melted, blended, extruded and spun to prepare composite fiber;
s4: and (3) blending the wool and the composite fiber to obtain blended yarn.
Wherein, S1:
placing graphene oxide in deionized water, heating to 30 ℃ in a water bath, mechanically stirring for 40min, ultrasonically dispersing for 20min, adding organic montmorillonite, mechanically stirring for 3h, ultrasonically dispersing for 2h, filtering, placing in an oven, and drying at 80 ℃ for 3h to obtain an inorganic filler for later use;
wherein, S2:
placing 90 parts of polytrimethylene terephthalate in N, N-dimethylformamide, mechanically stirring for 30min, ultrasonically dispersing for 15min, adding 10 parts of inorganic filler, mechanically stirring for 1h, and ultrasonically dispersing for 20min to obtain a mixture;
wherein, S3:
placing the mixture into a double-screw extruder, adding 20 parts of polybutylene terephthalate, carrying out melt blending at the screw temperature of 260 ℃ and the screw rotating speed of 20-30 r/min, extruding through a spinneret plate after blending, cooling to room temperature, placing the fiber cooled to room temperature into an environment with the temperature of 165 ℃, standing for 20min, applying 1N of pulling force on the fiber, continuing for 40min, and repeating for four times to obtain the composite fiber;
wherein, S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
Comparative example 2
A preparation method of the tearing-resistant wool-stretch yarn blended yarn comprises the following steps:
s1: compounding graphene oxide and organic montmorillonite to prepare an inorganic filler;
s2: blending polytrimethylene terephthalate and inorganic filler to prepare a mixture;
s3: the mixture and polyethylene glycol terephthalate are melted and blended, extruded and spun to prepare composite fiber;
s4: and (3) blending the wool and the composite fiber to obtain blended yarn.
Wherein, S1:
placing graphene oxide in deionized water, heating to 30 ℃ in a water bath, mechanically stirring for 40min, ultrasonically dispersing for 20min, adding organic montmorillonite, mechanically stirring for 3h, ultrasonically dispersing for 2h, filtering, placing in an oven, and drying at 80 ℃ for 3h to obtain an inorganic filler for later use;
wherein, S2:
placing 90 parts of polytrimethylene terephthalate in N, N-dimethylformamide, mechanically stirring for 30min, ultrasonically dispersing for 15min, adding 10 parts of inorganic filler, mechanically stirring for 1h, and ultrasonically dispersing for 20min to obtain a mixture;
wherein, S3:
placing the mixture into a double-screw extruder, adding 20 parts of polyethylene terephthalate, carrying out melt blending at the screw temperature of 260 ℃ and the screw rotating speed of 20-30 r/min, extruding through a spinneret plate after blending, cooling to room temperature, placing the fiber cooled to room temperature into an environment with the temperature of 165 ℃, standing for 20min, applying 1N of tension on the fiber, continuing for 40min, and repeating for four times to obtain the composite fiber;
wherein, S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
Comparative example 3
A preparation method of the tearing-resistant wool-stretch yarn blended yarn comprises the following steps:
s1: compounding graphene oxide and organic montmorillonite to prepare an inorganic filler;
s2: blending polytrimethylene terephthalate and inorganic filler to prepare a mixture;
s3: melting the mixture, extruding and spinning to obtain composite fibers;
s4: and (3) blending the wool and the composite fiber to obtain blended yarn.
Wherein, S1:
placing graphene oxide in deionized water, heating to 30 ℃ in a water bath, mechanically stirring for 40min, ultrasonically dispersing for 20min, adding organic montmorillonite, mechanically stirring for 3h, ultrasonically dispersing for 2h, filtering, placing in an oven, and drying at 80 ℃ for 3h to obtain an inorganic filler for later use;
wherein, S2:
placing 90 parts of polytrimethylene terephthalate in N, N-dimethylformamide, mechanically stirring for 30min, ultrasonically dispersing for 15min, adding 10 parts of inorganic filler, mechanically stirring for 1h, and ultrasonically dispersing for 20min to obtain a mixture;
wherein, S3:
placing the mixture in a double-screw extruder, melting at the screw temperature of 260 ℃ and the screw rotating speed of 20-30 r/min, extruding through a spinneret plate, cooling to room temperature, placing the fiber cooled to room temperature in an environment with the temperature of 165 ℃, standing for 20min, applying 1N tension on the fiber, continuing for 40min, and repeating for four times to obtain the composite fiber;
wherein, S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
Comparative example 4
A preparation method of the tearing-resistant wool-stretch yarn blended yarn comprises the following steps:
s1: compounding graphene oxide and organic montmorillonite to prepare an inorganic filler;
s2: blending polytrimethylene terephthalate and inorganic filler to prepare a mixture;
s3: the mixture is melted and blended with polyethylene terephthalate and polybutylene terephthalate, extruded and spun to prepare composite fiber;
s4: and (3) blending the wool and the composite fiber to obtain blended yarn.
Wherein, S1:
placing graphene oxide in deionized water, heating to 30 ℃ in a water bath, mechanically stirring for 40min, ultrasonically dispersing for 20min, adding organic montmorillonite, mechanically stirring for 3h, ultrasonically dispersing for 2h, filtering, placing in an oven, and drying at 80 ℃ for 3h to obtain an inorganic filler for later use;
wherein, S2:
placing 90 parts of polytrimethylene terephthalate in N, N-dimethylformamide, mechanically stirring for 30min, ultrasonically dispersing for 15min, adding 10 parts of inorganic filler, mechanically stirring for 1h, and ultrasonically dispersing for 20min to obtain a mixture;
wherein, S3:
placing the mixture into a double-screw extruder, adding 40 parts of polybutylene terephthalate and 40 parts of polyethylene terephthalate, carrying out melt blending at the screw temperature of 260 ℃ and the screw rotating speed of 20-30 r/min, extruding through a spinneret plate after blending, cooling to room temperature, placing the fiber cooled to room temperature into an environment with the temperature of 165 ℃, standing for 20min, applying 1N tension on the fiber, continuing for 40min, and repeating for four times to obtain the composite fiber;
wherein, S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
Experiment of
The test samples of examples 1 to 3 and comparative examples 1 to 5 were used, and the test samples were respectively tested by a universal tensile machine, and the breaking strength and the breaking elongation were measured and recorded.
Experimental data
Data analysis
The data show that in the embodiments 1-3, the performance of the embodiment 3 is good, the breaking strength is highest, and the tearing resistance is best;
compared with example 3, the polyethylene terephthalate is lacked in comparative example 1, a spiral structure cannot be formed with the polypropylene terephthalate, and the performance is poor;
compared with example 3, the polybutylene terephthalate is lacked in comparative example 2, competitive crystallization cannot be formed with the polytrimethylene terephthalate, the number of crystals cannot be increased, the size of the crystals cannot be reduced, and the performance is poor;
compared with example 3, the comparative example 3 lacks polyethylene terephthalate and polybutylene terephthalate, only has inorganic filler, and has poor performance;
compared with example 3, the amount of polyethylene terephthalate and polybutylene terephthalate is increased in comparative example 4, so that the competitive crystallization pressure of the poly (trimethylene terephthalate) is too high, the crystal morphology is poor, and the performance is poor;
in conclusion, the tear-resistant wool stretch yarn blended yarn prepared by the invention obtains higher mechanical strength by blending with the inorganic filler, and simultaneously, the inorganic filler also increases the crystal number of the composite fiber and reduces the crystal size, thereby further improving the strength of the blended yarn and having better practicability and production value.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an anti-tear draws comfortable stretch yarn of wool and spins mixed yarn which characterized in that: the blended yarn is mainly made of wool and composite fiber.
2. A tear-resistant wool stretch yarn blend as claimed in claim 1, wherein: the composite fiber is mainly prepared from polytrimethylene terephthalate, polyethylene glycol terephthalate, polybutylene terephthalate and inorganic filler.
3. A tear resistant wool stretch yarn blend as claimed in claim 2, wherein: the inorganic filler comprises graphene oxide and organic montmorillonite.
4. A tear resistant wool stretch yarn blend as claimed in claim 2, wherein: the composite fiber comprises the following raw materials: by weight, 80-90 parts of polytrimethylene terephthalate, 15-20 parts of polyethylene terephthalate, 15-20 parts of polybutylene terephthalate and 5-10 parts of inorganic filler.
5. A preparation method of the tearing-resistant wool-stretch yarn blended yarn is characterized by comprising the following steps:
the method comprises the following steps:
s1: compounding graphene oxide and organic montmorillonite to prepare an inorganic filler;
s2: blending polytrimethylene terephthalate and inorganic filler to prepare a mixture;
s3: the mixture is melted and blended with polyethylene terephthalate and polybutylene terephthalate, extruded and spun to prepare composite fiber;
s4: and (3) blending the wool and the composite fiber to obtain blended yarn.
6. The method for preparing the tear-resistant wool and stretch yarn blended yarn according to claim 5, wherein the method comprises the following steps:
the S1:
placing graphene oxide in deionized water, heating in a water bath, uniformly stirring, ultrasonically dispersing for a period of time, adding organic montmorillonite, uniformly stirring, ultrasonically dispersing for a period of time, filtering, and drying for a period of time to prepare an inorganic filler for later use;
the S2:
placing polytrimethylene terephthalate in N, N-dimethylformamide, uniformly stirring, ultrasonically dispersing for a period of time, adding an inorganic filler, uniformly stirring, and ultrasonically dispersing for a period of time to prepare a mixture;
the S3:
putting the mixture into a double-screw extruder, adding polybutylene terephthalate and polyethylene terephthalate, carrying out melt blending, extruding through a spinneret plate after blending, cooling to room temperature, and carrying out heat treatment to obtain composite fibers;
the S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
7. The method for preparing the tear-resistant wool and stretch yarn blended yarn according to claim 6, wherein the method comprises the following steps:
the S1:
placing graphene oxide in deionized water, heating to 30 ℃ in a water bath, mechanically stirring for 40min, ultrasonically dispersing for 20min, adding organic montmorillonite, mechanically stirring for 3h, ultrasonically dispersing for 2h, filtering, placing in an oven, and drying at 80 ℃ for 3h to obtain an inorganic filler for later use;
the S2:
placing polytrimethylene terephthalate in N, N-dimethylformamide, mechanically stirring for 30min, ultrasonically dispersing for 15min, adding an inorganic filler, mechanically stirring for 1h, and ultrasonically dispersing for 20min to obtain a mixture;
the S3:
placing the mixture into a double-screw extruder, adding polybutylene terephthalate and polyethylene terephthalate, carrying out melt blending at the screw temperature of 260 ℃ and the screw rotating speed of 20-30 r/min, extruding through a spinneret plate after blending, cooling to room temperature, and carrying out heat treatment to obtain composite fibers;
the S4:
and (3) carrying out opening, wool mixing, carding and spinning on the composite fiber and wool for blending treatment to obtain blended yarns.
8. The method for preparing the tear-resistant wool and stretch yarn blended yarn according to claim 6, wherein the method comprises the following steps: the heat treatment is to place the composite fiber cooled to room temperature in an environment with a temperature of 165 ℃, stand for 20min, apply a tensile force of 1N on the composite fiber for 40min, and repeat for four times.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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