CN112680819A - Heating hollow cotton containing feldspar minerals and application thereof - Google Patents
Heating hollow cotton containing feldspar minerals and application thereof Download PDFInfo
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- CN112680819A CN112680819A CN202011545649.3A CN202011545649A CN112680819A CN 112680819 A CN112680819 A CN 112680819A CN 202011545649 A CN202011545649 A CN 202011545649A CN 112680819 A CN112680819 A CN 112680819A
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Abstract
The invention discloses heating hollow cotton containing feldspar minerals and application thereof. The heating hollow cotton has the characteristics of high filling power, good heat preservation and heating performance and the like, and also has strong antibacterial and mite removing effects; the heating hollow cotton can be used as a filling material of down feather, and has good warm-keeping effect; the heating hollow cotton has good fiber stability, high fiber strength and good user experience; the heating hollow cotton has good water absorption and retention performance, and the terahertz waves generated by the terahertz minerals have the functions of resisting oxidation, activating skin and the like.
Description
Technical Field
The invention relates to the technical field of fibers and textiles, in particular to a heating hollow cotton containing feldspar minerals and application thereof.
Background
Terahertz (THz) waves refer to electromagnetic waves with the frequency within the range of 0.1-10 THz (the wavelength is 30-3000 mu m), coincide with millimeter waves in a long wave band, coincide with infrared light in a short wave band, are transition regions from a macroscopic classical theory to a microscopic quantum theory, are transition regions from electronics to photonics, and are called terahertz gaps (THz gaps) of electromagnetic spectrum. The terahertz wave has the functions of improving the magnetic field of a human body, enhancing the activity of cells, promoting metabolism and the like, and when the mineral material capable of emitting the terahertz wave is added into the fiber, the terahertz wave also has the characteristics of heating, antibiosis, mite removal and the like.
Therefore, the invention aims to provide the heating hollow cotton containing the feldspar mineral, so that the heating hollow cotton can be used as a filling material for replacing down, and has the effects of natural antibiosis, virus resistance, warm keeping, heating, mite removal and the like.
Disclosure of Invention
In order to solve the above problems, a first aspect of the present invention provides heat-generating hollow cotton containing a feldspar mineral, which is manufactured by processing a rayon fiber doped with a feldspar mineral material.
As a preferable technical scheme, the artificial fiber is formed by mixing and spinning PET slices and terahertz functional PET master batches.
As a preferable technical scheme, the artificial fiber comprises polyester staple fibers containing feldspar minerals, hollow crimped polyester staple fibers containing the feldspar minerals and special-shaped polyester staple fibers containing the feldspar minerals, and the mixing ratio of the three polyester staple fibers is (0-10): (2-10): (2-10).
Preferably, the feldspar mineral-containing polyester staple fiber comprises 0.5-5 wt% of feldspar mineral material, 0.5-5 wt% of hollow crimped polyester staple fiber comprises the feldspar mineral material and 0.5-5 wt% of special-shaped polyester staple fiber comprises the feldspar mineral material.
As a preferred technical scheme, the weight ratio of the terahertz functional PET master batch to the PET slices is 5-25%: 95-75%.
As a preferable technical scheme, the intrinsic viscosity of the PET slices is 0.5-0.7 dl/g.
As a preferable technical scheme, the terahertz functional PET master batch is prepared from a feldspar mineral material and PET, wherein the weight ratio of the feldspar mineral material to the PET is (1-2): 9 to 8.
As a preferable technical scheme, the feldspar mineral material is at least one of albite, potassium feldspar, orthoclase and anorthite, and the feldspar mineral material at least comprises one of trace elements of magnesium, strontium, rubidium, niobium and gallium.
As a preferable technical scheme, the linear density of the polyester staple fiber containing the feldspar mineral is 0.8 dtex-1.5 dtex; the linear density of the hollow crimped polyester staple fiber containing feldspar mineral is 1.5 dtex-16.0 dtex, and the hollowness is 15% -35%; the special-shaped polyester staple fiber containing the feldspar mineral is at least one of a field-shaped four-hollow-section polyester staple fiber, a cross-shaped section polyester staple fiber and a 4T-shaped section polyester staple fiber, the linear density of the special-shaped polyester staple fiber containing the feldspar mineral is 1.5 dtex-6.0 dtex, and the hollowness of the field-shaped four-hollow-section polyester staple fiber is 20% -50%.
As a preferable technical scheme, the average grain diameter of the feldspar mineral material is 100 nm-300 nm.
The second aspect of the invention also provides application of the heat-generating hollow cotton containing feldspar mineral, and the heat-generating hollow cotton can be used as a filling material for replacing down feather.
Has the advantages that:
1. the heating hollow cotton has the characteristics of high filling power, good heat preservation and heating performance and the like, and also has strong antibacterial and mite removing effects.
2. The heating hollow cotton can be used as a filling material of down feather, and has good warm-keeping effect.
3. The heating hollow cotton has the advantages of good fiber stability, high fiber strength and good user experience.
4. The heating hollow cotton has good water absorption and retention performance, and the terahertz waves generated by the terahertz minerals have the functions of resisting oxidation, activating skin and the like.
Detailed Description
The disclosure may be understood more readily by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
In order to solve the above problems, a first aspect of the present invention provides heat-generating hollow cotton containing a feldspar mineral, which is manufactured by processing a rayon fiber doped with a feldspar mineral material.
In some preferred embodiments, the artificial fiber is prepared by mixing and spinning PET slices and terahertz functional PET master batches.
In some preferred embodiments, the artificial fiber comprises polyester staple fiber containing feldspar mineral, hollow crimped polyester staple fiber containing feldspar mineral and profiled polyester staple fiber containing feldspar mineral, and the mixing ratio of the three polyester staple fibers is (0-10): (2-10): (2-10).
In some preferred embodiments, the feldspar mineral-containing short polyester fiber contains 0.5-5 wt% of feldspar mineral material, the hollow crimped short polyester fiber contains 0.5-5 wt% of feldspar mineral material, and the deformed short polyester fiber contains 0.5-5 wt% of feldspar mineral material.
In some preferred embodiments, the weight ratio of the terahertz functional PET master batch to the PET chip is 5-25%: 95-75%. The mixture of the terahertz functional PET master batches and the PET slices is selected as a raw material of the short fibers, so that the antibacterial, acarid-removing and heating performances of the fibers are enhanced, and in the system, 5-25% of the terahertz functional PET master batches are added, and the mineral particle size is 100-300 nm, so that the terahertz functional PET master batches can be uniformly dispersed in the composite material, and the mechanical property of the heating hollow cotton is also improved.
PET slice
In some preferred embodiments, the intrinsic viscosity of the PET chips is 0.5 to 0.7 dl/g.
Intrinsic viscosity
Reduced viscosity when the concentration of the polymer solution approaches zero. That is, the viscosity which reflects the properties of a polymer, which indicates the contribution of a single molecule to the solution viscosity, and the value thereof does not vary depending on the concentration. Often expressed as [. eta. ], the usual units are deciliters per gram (dL/g).
Terahertz functional PET master batch
In some preferred embodiments, the terahertz functional PET masterbatch is prepared from feldspar mineral material and PET, wherein the weight ratio of the feldspar mineral material to the PET is 1-2: 9 to 8.
In some preferred embodiments, the raw materials for preparing the terahertz functional PET master batch further comprise an auxiliary agent, wherein the addition amount of the auxiliary agent accounts for 0.1-5 wt% of the total weight of the feldspar mineral material; the auxiliary agent at least comprises one of a dispersant, a compatilizer and a surfactant; preferably, the addition amount of the assistant is 3.5 wt% based on the total weight of the feldspar mineral material; the auxiliary agent comprises a dispersing agent and a compatilizer.
In some preferred embodiments, the weight ratio of the dispersant to the compatibilizer is 1: (0.1 to 0.5); preferably, the weight ratio of the dispersing agent to the compatilizer is 1: 0.3.
in some preferred embodiments, the dispersant is selected from one or more of glycidyl methacrylate, polyethylene wax, polypropylene wax, ethylene glycol isooctyl ether, N' -ethylene bis stearamide, maleic anhydride grafted polypropylene wax; preferably, the dispersant is a maleic anhydride grafted polypropylene wax, available from PP6252, cheynen chemical ltd, Chongqing.
In some preferred embodiments, the type of the compatibilizer is not particularly limited, and any compatibilizer that can be generally used in preparing the master batch can be used in the present invention; preferably, the compatibilizing agent is a silane coupling agent.
In some preferred embodiments, the kind of the silane coupling agent is not particularly limited; preferably, the silane coupling agent is aminopropylmethyldiethoxysilane.
In some preferred embodiments, the preparation method of the terahertz functional PET masterbatch is selected from at least one of a nanofabrication technology, an organic-inorganic nano hybrid dispersion technology, and a masterbatch manufacturing technology; preferably, the preparation method of the terahertz functional PET master batch is a PET master batch manufacturing process.
In some preferred embodiments, the detailed preparation method of the PET masterbatch manufacturing process is not particularly limited, the PET masterbatch manufacturing process is prepared by a technical method well known in the art, and the masterbatch manufacturing process of the terahertz-functional PET masterbatch in the present invention is as follows: the feldspar mineral material, PET and the auxiliary agent are subjected to organic and inorganic hybrid melting and mixing, and then are extruded and granulated to obtain the feldspar mineral material.
Feldspar mineral material
In some preferred embodiments, the feldspar mineral material is at least one of albite, potassium feldspar, orthoclase, anorthite.
In some preferred embodiments, the feldspar mineral material comprises at least one of the trace elements magnesium, strontium, rubidium, niobium and gallium.
More preferably, the feldspar mineral materials are albite and potassium feldspar;
more preferably, the weight ratio of albite to potassium feldspar is 2: (1-3);
more preferably, the weight ratio of albite to potassium feldspar is 2: 1.5;
preferably, the particle size of the feldspar mineral material is 100-300 nm.
The particle size of the feldspar mineral is selected to be within 100 nm-300 nm because the surface volume percentage of the mineral is larger in the range, and the larger specific surface area can cause the mismatch of the bonding states, so that a plurality of active centers are generated, and the adsorption capacity of the mineral is enhanced. In the system, as the terahertz mineral materials are albite, potassium feldspar, orthoclase, anorthite and the like, when the nano minerals contain larger specific surface area, the terahertz mineral materials have extremely strong capturing capability on oxygen atoms, oxygen free radicals and other alkane molecules, so that the terahertz mineral materials have stronger antiseptic and antibacterial functions.
More preferably, the particle size of the feldspar mineral material is 100 nm.
The feldspar mineral material is ground into nano powder by wet-method grading grinding, spray drying or direct dry-method grading grinding, and then is subjected to surface modification and coating treatment to improve the dispersibility and prevent secondary agglomeration; the specific embodiment of the surface modification and coating treatment is not particularly limited, and is a technique commonly used by those skilled in the art.
Polyester staple fiber containing feldspar mineral
The preparation method of the polyester staple fiber containing feldspar mineral comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and the PET composite material is prepared through processes of spinning, cooling forming, winding and bundling, cutting and the like, wherein specific implementation modes of spinning, cooling forming, winding and bundling and cutting are not particularly limited and are technical means commonly used by a person skilled in the art.
The polyester staple fiber containing feldspar mineral prepared in the invention is selected to be 0.8 dtex-1.5 dtex, and can be obtained by adopting the conventional preparation method.
Hollow crimped polyester staple fiber containing feldspar mineral
The preparation method of the hollow crimped polyester staple fiber containing feldspar mineral comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and then the PET composite material is prepared through processes of spinning, winding, doffing, drafting, curling, cutting and the like, wherein specific implementation modes of the spinning, the winding, the doffing, the drafting, the curling and the cutting are not particularly limited and are technical means commonly used by a person skilled in the art.
The hollow crimped polyester staple fiber containing feldspar mineral prepared in the invention is selected to be 1.5 dtex-6.0 dtex, the hollowness is 15% -30%, and the hollow crimped polyester staple fiber can be obtained by adopting the conventional preparation method.
Special-shaped polyester staple fiber containing feldspar mineral
The special-shaped polyester staple fiber containing the feldspar mineral is characterized in that the cross section of the special-shaped polyester staple fiber containing the feldspar mineral is in a cross shape, a 4T shape or a 4-hollow (Chinese character ' tian ' -shaped) '.
The preparation method of the polyester staple fiber with the cross-shaped section and containing the feldspar mineral comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and then the PET composite material is prepared through processes of spinning, cooling, bundling, stretching, heat setting, curling, cutting and the like.
The preparation method of the polyester staple fiber containing the feldspar mineral with the section of the 4T-shaped or 4-hollow (field-shaped) type can refer to the preparation method of the polyester staple fiber containing the feldspar mineral in the cross shape, and the difference lies in that the selected spinneret plates are different in structure.
The cross section of the polyester staple fiber containing feldspar mineral is in a cross shape, a 4T shape or a 4 hollow (field shape) shape, the selection of the polyester staple fiber containing feldspar mineral is 1.5 dtex-6.0 dtex, and the polyester staple fiber can be obtained by adopting the conventional preparation method.
The second aspect of the present invention also provides a method for preparing the heat-generating hollow cotton containing feldspar mineral, comprising the following steps:
the polyester staple fiber containing feldspar mineral, the hollow crimped polyester staple fiber containing feldspar mineral and the special-shaped polyester staple fiber containing feldspar mineral are mixed according to the mass ratio of (0-10): (2-10): (2-10) opening and mixing; and obtaining the heating hollow cotton.
The third aspect of the invention also provides application of the heat-generating hollow cotton containing feldspar mineral, which can be used as a filling material for replacing down feather.
Examples
The technical solution of the present invention is described in detail by the following examples, but the scope of the present invention is not limited to the examples. Unless otherwise specified, all the raw materials in the present invention are commercially available.
Example 1
Embodiment 1 provides a heat-generating hollow cotton containing a feldspar mineral, which is manufactured by processing a synthetic fiber, wherein the synthetic fiber is formed by mixing and spinning a PET slice and a terahertz-function PET master batch, and the synthetic fiber comprises a polyester staple fiber containing the feldspar mineral, a hollow crimped polyester staple fiber containing the feldspar mineral and a crossed polyester staple fiber containing the feldspar mineral.
The weight ratio of the terahertz functional PET master batch to the PET slices is 5%: 95 percent.
The intrinsic viscosity of the PET chips was 0.5dl/g (from Yinzhong polyester technology Co., Ltd.).
The terahertz functional PET master batch is prepared from a feldspar mineral material and PET, wherein the weight ratio of the feldspar mineral material to the PET is 1: 9.
the feldspar mineral materials are albite and potassium feldspar, and the weight ratio of the albite to the potassium feldspar is 2: 1.
the particle size of the albite is 100nm, and the particle size of the potassium feldspar is 300 nm.
The preparation raw materials of the terahertz function PET master batch also comprise an auxiliary agent, wherein the addition amount of the auxiliary agent accounts for 0.1 wt% of the total weight of the feldspar mineral material; the auxiliary agent comprises a dispersing agent and a compatilizer, and the weight ratio of the dispersing agent to the compatilizer is 1: 0.1; the dispersant is maleic anhydride grafted polypropylene wax which can be purchased from PP6252 of Chongqing Keyin chemical Co., Ltd, and the compatilizer is aminopropyl methyl diethoxy silane which can be purchased from KBM-902 of Chongqing Keyin chemical Co., Ltd.
The manufacturing process of the master batch of the terahertz functional PET master batch comprises the following steps: the feldspar mineral material, PET and the auxiliary agent are subjected to organic and inorganic hybrid melting and mixing, and then are extruded and granulated to obtain the feldspar mineral material.
The polyester staple fiber containing feldspar mineral is selected to be 0.8 dtex-1.5 dtex; the preparation method comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and the PET composite material is prepared through processes of spinning, cooling forming, winding and bundling, cutting and the like, wherein specific implementation modes of spinning, cooling forming, winding and bundling and cutting are not particularly limited and are technical means commonly used by a person skilled in the art.
In the invention, the hollow crimped polyester staple fiber containing feldspar mineral is selected to be 1.5 dtex-6.0 dtex, and the hollowness is 15% -30%; the preparation method comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and then the PET composite material is prepared through processes of spinning, winding, doffing, drafting, curling, cutting and the like, wherein specific implementation modes of the spinning, the winding, the doffing, the drafting, the curling and the cutting are not particularly limited and are technical means commonly used by a person skilled in the art.
In the invention, the cross-section of the polyester staple fiber containing feldspar mineral is in a cross shape and is selected to be 1.5 dtex-6.0 dtex; the preparation method comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and then the PET composite material is prepared through processes of spinning, cooling, bundling, stretching, heat setting, curling, cutting and the like.
The embodiment also provides a preparation method of the heat-emitting hollow cotton containing the feldspar mineral, which comprises the following steps:
the polyester staple fiber containing feldspar mineral, the hollow crimped polyester staple fiber containing feldspar mineral and the cross-shaped polyester staple fiber containing feldspar mineral are mixed according to the mass ratio of 1: 2: 2, opening and mixing; and obtaining the heating hollow cotton.
Example 2
Embodiment 2 provides a heat-generating hollow cotton containing a feldspar mineral, which is manufactured by processing a synthetic fiber, wherein the synthetic fiber is formed by mixing and spinning a PET slice and a terahertz-function PET master batch, and the synthetic fiber comprises a polyester staple fiber containing the feldspar mineral, a hollow crimped polyester staple fiber containing the feldspar mineral and a '4T' polyester staple fiber containing the feldspar mineral.
The weight ratio of the terahertz functional PET master batch to the PET slices is 25%: 75 percent.
The intrinsic viscosity of the PET chips was 0.675dl/g (available from southeast chemical fiber raw materials Co., Ltd., Yizheng).
The terahertz functional PET master batch is prepared from a feldspar mineral material and PET, wherein the weight ratio of the feldspar mineral material to the PET is 2: 8.
the feldspar mineral materials are albite and potassium feldspar, and the weight ratio of the albite to the potassium feldspar is 2: 3.
the particle size of the albite is 200nm, and the particle size of the potassium feldspar is 100 nm.
The preparation raw materials of the terahertz function PET master batch also comprise an auxiliary agent, wherein the addition amount of the auxiliary agent accounts for 5 wt% of the total weight of the feldspar mineral material; the auxiliary agent comprises a dispersing agent and a compatilizer, and the weight ratio of the dispersing agent to the compatilizer is 1: 0.5; the dispersant is maleic anhydride grafted polypropylene wax which can be purchased from PP6252 of Chongqing Keyin chemical Co., Ltd, and the compatilizer is aminopropyl methyl diethoxy silane which can be purchased from KBM-902 of Chongqing Keyin chemical Co., Ltd.
The manufacturing process of the master batch of the terahertz functional PET master batch comprises the following steps: the feldspar mineral material, PET and the auxiliary agent are subjected to organic and inorganic hybrid melting and mixing, and then are extruded and granulated to obtain the feldspar mineral material.
The polyester staple fiber containing feldspar mineral is selected to be 0.8 dtex-1.5 dtex; the preparation method comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and the PET composite material is prepared through processes of spinning, cooling forming, winding and bundling, cutting and the like, wherein specific implementation modes of spinning, cooling forming, winding and bundling and cutting are not particularly limited and are technical means commonly used by a person skilled in the art.
In the invention, the hollow crimped polyester staple fiber containing feldspar mineral is selected to be 1.5 dtex-6.0 dtex, and the hollowness is 15% -30%; the preparation method comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and then the PET composite material is prepared through processes of spinning, winding, doffing, drafting, curling, cutting and the like, wherein specific implementation modes of the spinning, the winding, the doffing, the drafting, the curling and the cutting are not particularly limited and are technical means commonly used by a person skilled in the art.
In the invention, the polyester staple fiber with the cross section of 4T and containing feldspar mineral is selected to be 1.5 dtex-6.0 dtex; the preparation method comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and then the PET composite material is prepared through processes of spinning, cooling, bundling, stretching, heat setting, curling, cutting and the like.
The embodiment also provides a preparation method of the heat-emitting hollow cotton containing the feldspar mineral, which comprises the following steps:
the polyester staple fiber containing feldspar mineral, the hollow crimped polyester staple fiber containing feldspar mineral and the 4T-shaped polyester staple fiber containing feldspar mineral are mixed according to the mass ratio of 10: 3: 4, opening and mixing; and obtaining the heating hollow cotton.
Example 3
Embodiment 3 provides a heat-generating hollow cotton containing a feldspar mineral, which is manufactured by processing a synthetic fiber, wherein the synthetic fiber is formed by mixing and spinning a PET slice and a terahertz-function PET master batch, and the synthetic fiber comprises a polyester staple fiber containing the feldspar mineral, a hollow crimped polyester staple fiber containing the feldspar mineral and a tian-shaped polyester staple fiber containing the feldspar mineral.
The weight ratio of the terahertz functional PET master batch to the PET slices is 15%: 85 percent.
The intrinsic viscosity of the PET chips was 0.675dl/g (available from southeast chemical fiber raw materials Co., Ltd., Yizheng).
The terahertz functional PET master batch is prepared from a feldspar mineral material and PET, wherein the weight ratio of the feldspar mineral material to the PET is 1.5: 8.5.
the feldspar mineral materials are albite and potassium feldspar, and the weight ratio of the albite to the potassium feldspar is 2: 1.5.
the particle size of the albite is 100nm, and the particle size of the potassium feldspar is 100 nm.
The preparation raw materials of the terahertz function PET master batch also comprise an auxiliary agent, wherein the addition amount of the auxiliary agent accounts for 3.5 wt% of the total weight of the feldspar mineral material; the auxiliary agent comprises a dispersing agent and a compatilizer, and the weight ratio of the dispersing agent to the compatilizer is 1: 0.3; the dispersant is maleic anhydride grafted polypropylene wax which can be purchased from PP6252 of Chongqing Keyin chemical Co., Ltd, and the compatilizer is aminopropyl methyl diethoxy silane which can be purchased from KBM-902 of Chongqing Keyin chemical Co., Ltd.
The manufacturing process of the master batch of the terahertz functional PET master batch comprises the following steps: the feldspar mineral material, PET and the auxiliary agent are subjected to organic and inorganic hybrid melting and mixing, and then are extruded and granulated to obtain the feldspar mineral material.
The polyester staple fiber containing feldspar mineral is selected to be 0.8 dtex-1.5 dtex; the preparation method comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and the PET composite material is prepared through processes of spinning, cooling forming, winding and bundling, cutting and the like, wherein specific implementation modes of spinning, cooling forming, winding and bundling and cutting are not particularly limited and are technical means commonly used by a person skilled in the art.
In the invention, the hollow crimped polyester staple fiber containing feldspar mineral is selected to be 1.5 dtex-6.0 dtex, and the hollowness is 15% -30%; the preparation method comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and then the PET composite material is prepared through processes of spinning, winding, doffing, drafting, curling, cutting and the like, wherein specific implementation modes of the spinning, the winding, the doffing, the drafting, the curling and the cutting are not particularly limited and are technical means commonly used by a person skilled in the art.
In the invention, the polyester staple fiber with the cross section in the shape of Chinese character tian and containing feldspar minerals is selected to be 1.5 dtex-6.0 dtex; the preparation method comprises the following steps: the PET chips and the terahertz functional PET master batches in the weight ratio are blended and then heated and melted to obtain a PET composite material, and then the PET composite material is prepared through processes of spinning, cooling, bundling, stretching, heat setting, curling, cutting and the like.
The embodiment also provides a preparation method of the heat-emitting hollow cotton containing the feldspar mineral, which comprises the following steps:
the polyester staple fiber containing feldspar mineral, the hollow crimped polyester staple fiber containing feldspar mineral and the Chinese character tian-shaped polyester staple fiber containing feldspar mineral are mixed according to the mass ratio of 4: 6: 5, opening and mixing; and obtaining the heating hollow cotton.
Comparative example 1
The comparative example 1 of the present invention provides a heat-generating hollow cotton containing no feldspar mineral, and the specific embodiment thereof is the same as that of example 3, except that the terahertz-function PET master batch contains no feldspar mineral material.
Comparative example 2
Comparative example 2 of the present invention provides a heat-generating hollow cotton containing feldspar mineral, and the specific embodiment thereof is the same as example 3, except that the albite has a particle size of 100nm, and the potassium feldspar has a particle size of 500 nm.
Comparative example 3
Comparative example 3 of the present invention provides a heat-generating hollow cotton containing feldspar mineral, and the specific embodiment thereof is the same as example 3, except that the feldspar mineral material is albite only.
Comparative example 4
Comparative example 4 of the present invention provides a heat-generating hollow cotton containing feldspar mineral, and the specific embodiment thereof is the same as example 3, except that the feldspar mineral material is only potassium feldspar.
Comparative example 5
Comparative example 5 of the present invention provides a heat-generating hollow cotton containing feldspar mineral, which is embodied in the same manner as example 3, except that the weight ratio of the feldspar mineral material to PET is 0.5: 9.5.
performance testing
1. Antibacterial property test
The antibacterial rate of the heating hollow cotton prepared in the examples and the comparative examples to staphylococcus aureus is measured according to GB/T20944.3-2008, wherein the antibacterial rate is excellent when more than 90%, good when 80-90%, medium when 70-80% and poor when less than 60%, which is specifically shown in Table 1.
2. Terahertz emissivity test
Under the same condition, the heating hollow cotton prepared in the examples and the comparative examples is detected by a terahertz spectrometer, and specific numerical values are shown in table 1.
TABLE 1
Claims (10)
1. The heating hollow cotton containing the feldspar mineral is characterized in that the heating hollow cotton is prepared by processing artificial fibers, and the artificial fibers are doped with the feldspar mineral material.
2. The heat-generating hollow cotton containing feldspar mineral of claim 1, wherein the artificial fiber is made by mixing and spinning PET chips and terahertz functional PET master batches.
3. The heat-generating hollow cotton containing the feldspar mineral according to claim 1 or 2, wherein the artificial fiber comprises polyester staple fibers containing the feldspar mineral, hollow crimped polyester staple fibers containing the feldspar mineral and profiled polyester staple fibers containing the feldspar mineral, and the mixing ratio of the three polyester staple fibers is (0-10): (2-10): (2-10).
4. The heat-generating hollow cotton containing feldspar mineral of claim 3, wherein the short polyester fiber containing feldspar mineral contains 0.5-5 wt% of feldspar mineral material, the hollow curled short polyester fiber containing feldspar mineral contains 0.5-5 wt% of feldspar mineral material, and the profiled short polyester fiber containing feldspar mineral contains 0.5-5 wt% of feldspar mineral material.
5. The heating hollow cotton containing feldspar mineral of claim 2, wherein the weight ratio of the terahertz functional PET master batch to the PET slices is 5-25%: 95-75%.
6. The heat-generating hollow cotton comprising feldspar mineral according to claim 5, wherein the intrinsic viscosity of the PET chips is 0.5 to 0.7 dl/g.
7. The heating hollow cotton containing feldspar mineral as claimed in claim 5, wherein the terahertz function PET master batch is prepared from feldspar mineral material and PET, and the weight ratio of the feldspar mineral material to the PET is 1-2: 9 to 8.
8. The heat-generating hollow cotton containing feldspar mineral of claim 7, wherein the feldspar mineral material is at least one of albite, potassium feldspar, orthoclase and anorthite, and the feldspar mineral material at least comprises one of magnesium, strontium, rubidium, niobium and gallium microelements.
9. The heat-generating hollow cotton containing feldspar mineral as claimed in claim 3 or 4, wherein the linear density of the polyester staple fiber containing feldspar mineral is 0.8 dtex-1.5 dtex; the linear density of the hollow crimped polyester staple fiber containing feldspar mineral is 1.5 dtex-16.0 dtex, and the hollowness is 15% -35%; the special-shaped polyester staple fiber containing the feldspar mineral is at least one of a field-shaped four-hollow-section polyester staple fiber, a cross-shaped section polyester staple fiber and a 4T-shaped section polyester staple fiber, the linear density of the special-shaped polyester staple fiber containing the feldspar mineral is 1.5 dtex-6.0 dtex, and the hollowness of the field-shaped four-hollow-section polyester staple fiber is 20% -50%.
10. Use of heat-generating hollow cotton containing feldspar minerals according to any one of claims 1 to 9, wherein the heat-generating hollow cotton is used as a filling material instead of down.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862900A (en) * | 2021-10-26 | 2021-12-31 | 海门市同泰工艺品有限公司 | Terahertz-polylactic acid ecological antibacterial health-care textile filling cotton |
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| CN105525384A (en) * | 2016-01-22 | 2016-04-27 | 济南圣泉集团股份有限公司 | Use of modified hollow cotton |
| CN105603568A (en) * | 2016-01-21 | 2016-05-25 | 济南圣泉集团股份有限公司 | Modified hollow cotton and preparation method thereof |
| CN111718565A (en) * | 2020-07-31 | 2020-09-29 | 高意匠新材料科技(苏州)有限公司 | Terahertz functional mother particle and application thereof |
| CN111763999A (en) * | 2020-07-31 | 2020-10-13 | 高意匠新材料科技(苏州)有限公司 | Terahertz functional fiber and preparation method thereof |
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| CN105603568A (en) * | 2016-01-21 | 2016-05-25 | 济南圣泉集团股份有限公司 | Modified hollow cotton and preparation method thereof |
| CN105525384A (en) * | 2016-01-22 | 2016-04-27 | 济南圣泉集团股份有限公司 | Use of modified hollow cotton |
| CN111718565A (en) * | 2020-07-31 | 2020-09-29 | 高意匠新材料科技(苏州)有限公司 | Terahertz functional mother particle and application thereof |
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