CN104562291A - Aromatic compound short fiber and preparation method thereof - Google Patents
Aromatic compound short fiber and preparation method thereof Download PDFInfo
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- CN104562291A CN104562291A CN201410636118.3A CN201410636118A CN104562291A CN 104562291 A CN104562291 A CN 104562291A CN 201410636118 A CN201410636118 A CN 201410636118A CN 104562291 A CN104562291 A CN 104562291A
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Abstract
The invention discloses an aromatic compound short fiber and a preparation method thereof. The aromatic compound short fiber is a double component compound fiber of a skin core structure, wherein in the cross section of the double component compound fiber of the skin core structure, the skin layer and the core layer are of a concentric circle structure; the skin layer of the double component compound fiber of the skin core structure is a fiber-scale polyethylene terephthalateand the core layer material is low melting point polyethylene terephthalate with edible spices. The aromatic compound short fiber disclosed by the invention has the advantages of good spinning performance, after-treatment processing performance, washing resistance, simple process and endurable aroma, can be massively applied to garments, household articles and anti-counterfeit labels or trade marks, and can be used for satisfying the demand on market diversification and functionality to a certain extent, so that high safe and economical values are created.
Description
Technical field
The present invention relates to functional fibre field, particularly relate to a kind of fragrant composite short fiber and preparation method thereof.
Background technology
Along with the progress of society and the development of science and technology, people are also making constant progress to the demand of textiles, no longer be confined to the comfortable of the colorful and body sense of soft, the vision of sense of touch, the requirement of sense of other side is also in increase, as sense of smell demand etc., therefore fragrant fiber just receives publicity gradually and develops.
It is microcapsule method that the method preparing fragrant fiber at present mainly contains three kinds: one, disclosed by as open in patent/notification number CN 103360371 A, aromatic is coated in polymeric membrane and forms microcapsules, with polyester slice through high-speed mixer melting, to extrude and pelletizing becomes fragrant masterbatch, then prepare fragrant fiber through spinning, because aromatic is coated in very thin polymeric membrane, anti-extrusion and frictional property poor, microcapsules easily break, large to the damage of microcapsules in the process preparing fragrant masterbatch and spinning, cause the fragrance life of microcapsule aromatic fiber to shorten, two is co-blended spinning methods, disclosed by as open in patent/notification number CN 1594684 A, be that dissimilar spices is made fragrant masterbatch with spinning material, and then with certain proportion and section blend melt spinning, perfume molecules is melted in fibrous inside, makes fiber have armaticity, because the boiling point of most spices is lower, large with loss amount in section blend melt spinning process, much essence is also the solvent of dyestuff simultaneously, and in water-washing process, essence is easily water-soluble, and the dyestuff taken out of in fiber, easily produce the problem such as spices loss and fabric fading, three is composite spinning methods, disclosed by as open in patent/notification number CN 85108805 A, the aromatic fiber knitted with composite spinning technology normally skin-core structure, sandwich layer is spun into after generally aromatic and the relatively low polymer of fusing point being mediated, and cortical material normally polyalkenes or polyester, core substrate used is polyethylene-based polymer, extrude often because melt viscosity is poor in fusing between cortex polymer and core layer polymer, easily broken during spinning, poor processability, limit fragrant fiber material requested scope in addition within the specific limits, be unfavorable for expanding development and application.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, a kind of fragrant composite short fiber and preparation method thereof be provided, this fragrant composite short fiber has that spinning properties is good, Final finishing good processability, the feature that water-fastness, technique is simple and armaticity is lasting.
The technical solution adopted for the present invention to solve the technical problems is: a kind of fragrant composite short fiber, is the bi-component composite fiber of skin-core structure, and in the cross section of the bi-component composite fiber of described skin-core structure, its cortex and sandwich layer are concentric structure; The cortical material of the bi-component composite fiber of described skin-core structure is fibre-grade polyethylene terephthalate, and core material is the low melting point polyethylene terephthalate of adding flavorant.
Described bi-component composite fiber, the mass ratio of its cortical material and core material is 50:50 ~ 70:30.
The fusing point of described low melting point polyethylene terephthalate is 105 ~ 130 DEG C.
Described flavorant is a kind of or two kinds and above mixing in butyric acid leaf-alcohol ester, eugenol, methyl octine carbonate, Ethyl vanillin, vanitrope, geraniol, phenethyl acetate, butyl phenylacetate, ethyl cinnamate, phenylacetic acid, methyl eugenol, β-carypohyllene, γ-octalactone and γ-decalactone, and the boiling point of described flavorant is more than or equal to 230 DEG C.
The addition of described flavorant is 0.5 ~ 5% of core material gross mass.
Described fragrant composite short fiber, be by cortical material at screw pump in extruder temperature: 270 DEG C, a district, two 275 DEG C, districts, three 280 DEG C, districts, at four 285 DEG C, districts, extrusion molten enters composite spining module, core material blanking is entered twin (double) screw extruder at extruder temperature: 190 DEG C, a district simultaneously, two 200 DEG C, districts, three 230 DEG C, districts, melt extrude at four 230 DEG C, districts, and send into above-mentioned composite spining module by isometric melt distributing pipe, metering, cortical material and core material is made to take mass ratio as 50:50 ~ 70:30, enter core-sheath spinning pack again, two kinds of melt spinneret orifice places in assembly converge and extrude, fiber is through cooling, again through balance, oil, stretch, obtain after curling, shaping.
Described cortical material obtains after cortical material fibre-grade poliester chip drying crystalline; Wherein, baking temperature is 145 ~ 165 DEG C, and crystallization temperature is 150 ~ 160 DEG C, and after dry, the moisture content of section is less than 30ppm.
Described core material accurately takes dry fragrant masterbatch and dry low melting point polyethylene terephthalate by the mass ratio of 1:19 ~ 1:3, keeps dry and to obtain after mixing in vacuum drum under temperature 50 C; Wherein, described fragrant masterbatch accurately takes flavorant and dry low melting point poliester chip by the mass ratio of 1:9 ~ 2:8, fully mix in static mixer, melt extrude through twin-screw and obtain after pelletizing, and extruder temperature is higher than the fusing point 20 ~ 30 DEG C of low melting point polyethylene terephthalate.
A preparation method for fragrant composite short fiber, comprises the steps:
The preparation process of cortical material: first by cortical material fibre-grade poliester chip drying crystalline, baking temperature is 145 ~ 165 DEG C, and crystallization temperature is 150 ~ 160 DEG C, after dry, the moisture content of section is less than 30ppm, and gained is cortical material;
The preparation process of fragrant masterbatch: accurately take flavorant and dry low melting point poliester chip by the mass ratio of 1:9 ~ 2:8, fully mix in static mixer, pelletizing is melt extruded through twin-screw, obtain fragrant masterbatch, extruder temperature is higher than the fusing point 20 ~ 30 DEG C of low melting point polyethylene terephthalate;
The preparation process of core material: accurately take dry fragrant masterbatch and dry low melting point polyethylene terephthalate by the mass ratio of 1:19 ~ 1:3, keep dry under temperature 50 C in vacuum drum and mix, gained is core material;
Spin the step of short silk: by gained cortical material at screw pump in extruder temperature: 270 DEG C, a district, two 275 DEG C, districts, three 280 DEG C, districts, at four 285 DEG C, districts, extrusion molten enters composite spining module, the blanking of gained core material is entered twin (double) screw extruder at extruder temperature: 190 DEG C, a district simultaneously, two 200 DEG C, districts, three 230 DEG C, districts, melt extrude at four 230 DEG C, districts, and send into above-mentioned composite spining module by isometric melt distributing pipe, metering, cortical material and core material is made to take mass ratio as 50:50 ~ 70:30, enter core-sheath spinning pack again, two kinds of melt spinneret orifice places in assembly converge and extrude, fiber is through cooling, again through balance, oil, stretch, curling, shaping, cut off to obtain the fragrant Compound spinning short fiber of 6D × 51mm specification.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention has that spinning properties is good, Final finishing good processability, the advantage that water-fastness, technique is simple and armaticity is lasting.Can be widely used in dress ornament, household articles and antifalsification label or trade mark, fragrant Compound spinning short fiber of the present invention can utilize specific fragrance to be applied to antifalsification label or trade mark, enables people hear fragrant knowledge board; Simultaneously owing to having fragrance, pure and fresh or sweet, prepared clothes can make people be in pure and fresh joyful atmosphere, and prepared household articles can make people be in the comfortable atmosphere of nature, allows people at every moment can both keep joyful mood because of charming fragrance.Occupy the lifting that people pursue quality of the life, Aroma fabric is a novel pursuit point, and fragrant fiber can meet Market Diversification and functional demand to a certain extent, creates safe value and the economic worth of height.
Detailed description of the invention
Be described below in detail embodiments of the invention, described embodiment is intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.Unreceipted concrete technology or condition person in embodiment, according to the technology described by the document in this area or condition or carry out according to product description.Agents useful for same or the unreceipted production firm person of instrument, being can by the conventional products of commercial acquisition.
Embodiment 1
The fragrant composite short fiber of one of the present invention is the bi-component composite fiber of skin-core structure, and in the cross section of the bi-component composite fiber of described skin-core structure, its cortex and sandwich layer are concentric structure; The cortical material of the bi-component composite fiber of described skin-core structure is fibre-grade polyethylene terephthalate, and core material is the low melting point polyethylene terephthalate of adding flavorant.
The fusing point of described low melting point polyethylene terephthalate is 105 ~ 130 DEG C.
The boiling point of described flavorant is more than or equal to 230 DEG C.
The preparation method of a kind of fragrant composite short fiber of the present invention, comprises the steps:
(1) preparation of cortical material: first by cortical material fibre-grade poliester chip drying crystalline, baking temperature is 145 DEG C, and crystallization temperature is 150 DEG C, after dry, the moisture content of section is less than 30ppm, and gained is cortical material;
(2) preparation of fragrant masterbatch: accurately take ethyl cinnamate and dry low melting point poliester chip by the mass ratio of 1:9, fully mix in static mixer, pelletizing is melt extruded through twin-screw, obtain fragrant masterbatch, extruder temperature is higher than the fusing point 20 DEG C of low melting point polyethylene terephthalate;
(3) preparation of core material: accurately take dry fragrant masterbatch and dry low melting point polyethylene terephthalate by the mass ratio of 1:19, keep dry under temperature 50 C in vacuum drum and mix, gained is core material;
(4) spin short silk: by gained cortical material at screw pump in extruder temperature: 270 DEG C, a district, two 275 DEG C, districts, three 280 DEG C, districts, at four 285 DEG C, districts, extrusion molten enters composite spining module, the blanking of gained core material is entered twin (double) screw extruder at extruder temperature: 190 DEG C, a district simultaneously, two 200 DEG C, districts, three 230 DEG C, districts, melt extrude at four 230 DEG C, districts, and send into above-mentioned composite spining module by isometric melt distributing pipe, metering, cortical material and core material is made to take mass ratio as 50:50, enter core-sheath spinning pack again, two kinds of melt spinneret orifice places in assembly converge and extrude, fiber is through cooling, again through balance, oil, stretch, curling, shaping, cut off to obtain the fragrant Compound spinning short fiber of 6D × 51mm specification.
Embodiment 2
The fragrant composite short fiber of one of the present invention is the bi-component composite fiber of skin-core structure, and in the cross section of the bi-component composite fiber of described skin-core structure, its cortex and sandwich layer are concentric structure; The cortical material of the bi-component composite fiber of described skin-core structure is fibre-grade polyethylene terephthalate, and core material is the low melting point polyethylene terephthalate of adding flavorant.
The fusing point of described low melting point polyethylene terephthalate is 105 ~ 130 DEG C.
The boiling point of described flavorant is more than or equal to 230 DEG C.
The preparation method of a kind of fragrant composite short fiber of the present invention, comprises the steps:
(1) preparation of cortical material: first by cortical material fibre-grade poliester chip drying crystalline, baking temperature is 165 DEG C, and crystallization temperature is 160 DEG C, after dry, the moisture content of section is less than 30ppm, and gained is cortical material;
(2) preparation of fragrant masterbatch: accurately take eugenol and dry low melting point poliester chip by the mass ratio of 2:8, fully mix in static mixer, pelletizing is melt extruded through twin-screw, obtain fragrant masterbatch, extruder temperature is higher than the fusing point 30 DEG C of low melting point polyethylene terephthalate;
(3) preparation of core material: accurately take dry fragrant masterbatch and dry low melting point polyethylene terephthalate by the mass ratio of 1:3, keep dry under temperature 50 C in vacuum drum and mix, gained is core material;
(4) spin short silk: by gained cortical material at screw pump in extruder temperature: 270 DEG C, a district, two 275 DEG C, districts, three 280 DEG C, districts, at four 285 DEG C, districts, extrusion molten enters composite spining module, the blanking of gained core material is entered twin (double) screw extruder at extruder temperature: 190 DEG C, a district simultaneously, two 200 DEG C, districts, three 230 DEG C, districts, melt extrude at four 230 DEG C, districts, and send into above-mentioned composite spining module by isometric melt distributing pipe, metering, cortical material and core material is made to take mass ratio as 70:30, enter core-sheath spinning pack again, two kinds of melt spinneret orifice places in assembly converge and extrude, fiber is through cooling, again through balance, oil, stretch, curling, shaping, cut off to obtain the fragrant Compound spinning short fiber of 6D × 51mm specification.
Embodiment 3
The fragrant composite short fiber of one of the present invention is the bi-component composite fiber of skin-core structure, and in the cross section of the bi-component composite fiber of described skin-core structure, its cortex and sandwich layer are concentric structure; The cortical material of the bi-component composite fiber of described skin-core structure is fibre-grade polyethylene terephthalate, and core material is the low melting point polyethylene terephthalate of adding flavorant.
The fusing point of described low melting point polyethylene terephthalate is 105 ~ 130 DEG C.
The boiling point of described flavorant is more than or equal to 230 DEG C.
The preparation method of a kind of fragrant composite short fiber of the present invention, comprises the steps:
(1) preparation of cortical material: first by cortical material fibre-grade poliester chip drying crystalline, baking temperature is 150 DEG C, and crystallization temperature is 155 DEG C, after dry, the moisture content of section is less than 30ppm, and gained is cortical material;
(2) preparation of fragrant masterbatch: accurately take γ-octalactone and dry low melting point poliester chip by the mass ratio of 1:8, fully mix in static mixer, pelletizing is melt extruded through twin-screw, obtain fragrant masterbatch, extruder temperature is higher than the fusing point 25 DEG C of low melting point polyethylene terephthalate;
(3) preparation of core material: accurately take dry fragrant masterbatch and dry low melting point polyethylene terephthalate by the mass ratio of 1:5, keep dry under temperature 50 C in vacuum drum and mix, gained is core material;
(4) spin short silk: by gained cortical material at screw pump in extruder temperature: 270 DEG C, a district, two 275 DEG C, districts, three 280 DEG C, districts, at four 285 DEG C, districts, extrusion molten enters composite spining module, the blanking of gained core material is entered twin (double) screw extruder at extruder temperature: 190 DEG C, a district simultaneously, two 200 DEG C, districts, three 230 DEG C, districts, melt extrude at four 230 DEG C, districts, and send into above-mentioned composite spining module by isometric melt distributing pipe, metering, cortical material and core material is made to take mass ratio as 60:40, enter core-sheath spinning pack again, two kinds of melt spinneret orifice places in assembly converge and extrude, fiber is through cooling, again through balance, oil, stretch, curling, shaping, cut off to obtain the fragrant Compound spinning short fiber of 6D × 51mm specification.
Above-described embodiment is only used for further illustrating fragrant composite short fiber of one of the present invention and preparation method thereof; but the present invention is not limited to embodiment; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all fall in the protection domain of technical solution of the present invention.
Claims (9)
1. a fragrant composite short fiber, is characterized in that: be the bi-component composite fiber of skin-core structure, and in the cross section of the bi-component composite fiber of described skin-core structure, its cortex and sandwich layer are concentric structure; The cortical material of the bi-component composite fiber of described skin-core structure is fibre-grade polyethylene terephthalate, and core material is the low melting point polyethylene terephthalate of adding flavorant.
2. fragrant composite short fiber according to claim 1, is characterized in that: described bi-component composite fiber, and the mass ratio of its cortical material and core material is 50:50 ~ 70:30.
3. fragrant composite short fiber according to claim 1, is characterized in that: the addition of described flavorant is 0.5 ~ 5% of core material gross mass.
4. fragrant composite short fiber according to claim 1, it is characterized in that: described fragrant composite short fiber, be by cortical material at screw pump in extruder temperature: 270 DEG C, a district, two 275 DEG C, districts, three 280 DEG C, districts, at four 285 DEG C, districts, extrusion molten enters composite spining module, core material blanking is entered twin (double) screw extruder at extruder temperature: 190 DEG C, a district simultaneously, two 200 DEG C, districts, three 230 DEG C, districts, melt extrude at four 230 DEG C, districts, and send into above-mentioned composite spining module by isometric melt distributing pipe, metering, cortical material and core material is made to take mass ratio as 50:50 ~ 70:30, enter core-sheath spinning pack again, two kinds of melt spinneret orifice places in assembly converge and extrude, fiber is through cooling, again through balance, oil, stretch, obtain after curling, shaping.
5. fragrant composite short fiber according to claim 4, is characterized in that: described cortical material obtains after cortical material fibre-grade poliester chip drying crystalline; Wherein, baking temperature is 145 ~ 165 DEG C, and crystallization temperature is 150 ~ 160 DEG C, and after dry, the moisture content of section is less than 30ppm.
6. fragrant composite short fiber according to claim 4, it is characterized in that: described core material accurately takes dry fragrant masterbatch and dry low melting point polyethylene terephthalate by the mass ratio of 1:19 ~ 1:3, keep dry under temperature 50 C in vacuum drum and to obtain after mixing; Wherein, described fragrant masterbatch accurately takes flavorant and dry low melting point poliester chip by the mass ratio of 1:9 ~ 2:8, fully mix in static mixer, melt extrude through twin-screw and obtain after pelletizing, and extruder temperature is higher than the fusing point 20 ~ 30 DEG C of low melting point polyethylene terephthalate.
7. the fragrant composite short fiber according to claim 1 or 3 or 6, is characterized in that: the fusing point of described low melting point polyethylene terephthalate is 105 ~ 130 DEG C.
8. the fragrant composite short fiber according to claim 1 or 6, it is characterized in that: described flavorant is a kind of or two kinds and above mixing in butyric acid leaf-alcohol ester, eugenol, methyl octine carbonate, Ethyl vanillin, vanitrope, geraniol, phenethyl acetate, butyl phenylacetate, ethyl cinnamate, phenylacetic acid, methyl eugenol, β-carypohyllene, γ-octalactone and γ-decalactone, and the boiling point of described flavorant is more than or equal to 230 DEG C.
9. a preparation method for fragrant composite short fiber, is characterized in that: comprise the steps:
The preparation process of cortical material: first by cortical material fibre-grade poliester chip drying crystalline, baking temperature is 145 ~ 165 DEG C, and crystallization temperature is 150 ~ 160 DEG C, after dry, the moisture content of section is less than 30ppm, and gained is cortical material;
The preparation process of fragrant masterbatch: accurately take flavorant and dry low melting point poliester chip by the mass ratio of 1:9 ~ 2:8, fully mix in static mixer, pelletizing is melt extruded through twin-screw, obtain fragrant masterbatch, extruder temperature is higher than the fusing point 20 ~ 30 DEG C of low melting point polyethylene terephthalate;
The preparation process of core material: accurately take dry fragrant masterbatch and dry low melting point polyethylene terephthalate by the mass ratio of 1:19 ~ 1:3, keep dry under temperature 50 C in vacuum drum and mix, gained is core material;
Spin the step of short silk: by gained cortical material at screw pump in extruder temperature: 270 DEG C, a district, two 275 DEG C, districts, three 280 DEG C, districts, at four 285 DEG C, districts, extrusion molten enters composite spining module, the blanking of gained core material is entered twin (double) screw extruder at extruder temperature: 190 DEG C, a district simultaneously, two 200 DEG C, districts, three 230 DEG C, districts, melt extrude at four 230 DEG C, districts, and send into above-mentioned composite spining module by isometric melt distributing pipe, metering, cortical material and core material is made to take mass ratio as 50:50 ~ 70:30, enter core-sheath spinning pack again, two kinds of melt spinneret orifice places in assembly converge and extrude, fiber is through cooling, again through balance, oil, stretch, curling, shaping, cut off to obtain the fragrant Compound spinning short fiber of 6D × 51mm specification.
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Cited By (6)
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| CN106498531A (en) * | 2016-10-20 | 2017-03-15 | 华南理工大学 | A kind of antibiosis anti-acarien fiber and preparation method thereof |
| CN106592015A (en) * | 2016-11-21 | 2017-04-26 | 厦门安踏体育用品有限公司 | Polyester fiber manufacturing method, polyester fibers, shell fabric and clothing |
| CN110359129A (en) * | 2019-06-14 | 2019-10-22 | 福建康百赛新材料有限公司 | A kind of preparation method of more micropore skin-core structure bicomponent composite fibres |
| CN111016303A (en) * | 2019-11-25 | 2020-04-17 | 江苏惟妙纺织科技有限公司 | Fragrant lace fabric |
| CN113279075A (en) * | 2021-06-01 | 2021-08-20 | 福建闽瑞新合纤股份有限公司 | Manufacturing process of superfine denier PE and PET bi-component composite short fiber |
| CN113802216A (en) * | 2021-08-09 | 2021-12-17 | 嘉兴学院 | Poly (butylene succinate) composite fiber containing plant essential oil and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113279075A (en) * | 2021-06-01 | 2021-08-20 | 福建闽瑞新合纤股份有限公司 | Manufacturing process of superfine denier PE and PET bi-component composite short fiber |
| CN113802216A (en) * | 2021-08-09 | 2021-12-17 | 嘉兴学院 | Poly (butylene succinate) composite fiber containing plant essential oil and preparation method thereof |
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