CN104928797A - Composite polyolefin fiber and preparation method thereof - Google Patents
Composite polyolefin fiber and preparation method thereof Download PDFInfo
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- CN104928797A CN104928797A CN201510316524.6A CN201510316524A CN104928797A CN 104928797 A CN104928797 A CN 104928797A CN 201510316524 A CN201510316524 A CN 201510316524A CN 104928797 A CN104928797 A CN 104928797A
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- China
- Prior art keywords
- polyolefin
- composite fiber
- fiber
- polyolefin composite
- eutectic
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Links
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 156
- 239000000835 fiber Substances 0.000 title claims abstract description 111
- 239000002131 composite material Substances 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000005496 eutectics Effects 0.000 claims description 41
- 239000000654 additive Substances 0.000 claims description 34
- 230000000996 additive effect Effects 0.000 claims description 34
- 239000000155 melt Substances 0.000 claims description 16
- 239000011162 core material Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229920001083 polybutene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract 4
- 230000008018 melting Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 239000004952 Polyamide Substances 0.000 description 8
- 229920002647 polyamide Polymers 0.000 description 8
- 239000002657 fibrous material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000002045 lasting effect Effects 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 206010021639 Incontinence Diseases 0.000 description 1
- 210000001130 astrocyte Anatomy 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
Landscapes
- Multicomponent Fibers (AREA)
Abstract
The invention discloses a composite polyolefin fiber and a preparation method thereof. The composite polyolefin fiber is made from a heterostructure material, and comprises polyolefin and one or more low-melting polyolefin copolymers, wherein the melting temperature of the low-melting polyolefin copolymers is 140-150 DEG C; part or all of low-melting polyolefin copolymers is/are positioned on the outer surface of the fiber. The composite polyolefin fiber and the preparation method have the advantages that the technical problems of poor wettability, poor softness, low strength and high energy consumption in processing, and high cost of polyolefin fiber in the prior art are solved, and the technical effects of improving the wettability, the softness and the mechanical performance of the polyolefin fiber are achieved.
Description
Technical field
The present invention relates to chemical fibre technical field, particularly a kind of polyamide fiber.
Background technology
The artificial fibre of the synthetic fiber alkene that the linear macromolecule that polyamide fiber is become by olefinic polymerization is formed to be a kind of processbearing astrocyte thing be high polymer long chain synthetic polymer, this polymer is made up of the ethene of at least 85% weight, propylene or other olefin monomers, but amorphous state (noncrystalline thing), as IR fiber TPO except, olefin(e) fibre has the club shaped structure of smooth surface.
Polyamide fiber is usually used in the component of amenities, such as disposable diaper, feminine hygiene and incontinent-care product.Amenities generally comprises the absorbent core that can absorb its several times weight liquid, needs on the one hand to ensure that the oversheath of amenities has good sealing, needs prevention to absorb the liquid entering absorbent core on the other hand and can not reflux when pressurized.Wettability refers to the ability that a kind of liquid is sprawled at a kind of surface of solids or tendentiousness.Polyamide fiber of the prior art has that density is little, intensity is high.The premium properties such as corrosion-resistant, resilience is good, but there is many obvious performance deficiencies in polyamide fiber, as poor in wettability, pliability is poor; And fiber process of the prior art becomes other finished products to need operation in high temperature environments, not only needs high-energy to expend, adds cost, and under high temperature, easily reduce the mechanical performance of polyamide fiber.
Summary of the invention
The invention provides a kind of polyolefin composite fiber, to solve in prior art that polyamide fiber wettability is poor, pliability is poor, intensity is low and add the technical problem that power consumption in man-hour is high, cost is high, reaching the technique effect improving polyamide fiber wettability, pliability and mechanical performance.
For solving the problems of the technologies described above, the invention provides a kind of polyolefin composite fiber, described polyolefin composite fiber is a heterogeneous structure material, comprising: polyolefin; At least one eutectic polyolefin copolymer, the melt temperature of described eutectic polyolefin copolymer is 140-150 DEG C, and is partly or entirely positioned at the outer surface of described fiber.
Preferably, described polyolefin composite fiber has line density 1-70dtex.
Preferably, described polyolefin composite fiber is two component sheath-core type fibers, and wherein said eutectic polyolefin copolymer is skin material, and described polyolefin is core material.
Preferably, described polyolefin composite fiber is two component fiber types side by side, and described eutectic polyolefin copolymer and described polyolefin are arranged side by side.
Preferably, the melt temperature of described eutectic polyolefin copolymer is specially 148 DEG C.
Preferably, described polyolefin composite fiber also comprises a melt additive, and the general formula of described melt additive is: R-O-{-CH
2-CH
2-O}
x-CH
2-CH
2-O-H, wherein, x is the integer of 1-15, and R is CH
3-(CH
2) T-CH=CH-(CH)
8.
Preferably, the mass percent of described melt additive is 0.1%-15%.
Preferably, described polyolefin is specially at least one in polypropylene, polyethylene and polybutene.
The application also provides a kind of device preparing said polyolefins composite fibre, and described device comprises: the first extruder; Second extruder; Blender, comprises the first feeding mouth be communicated with described first extruder, the second feeding mouth be communicated with described second extruder and discharging opening; Die assembly, is arranged on the below of described discharging opening, comprises one for spraying the die hole of described polyolefin composite fiber.
The application also provides a kind of bondedfibre fabric, and described bondedfibre fabric comprises said polyolefins composite fibre.
The application's beneficial effect is as follows:
1, the eutectic polyolefin copolymer that polyolefin and melt temperature are 140-150 DEG C mixes by the application, improve the intensity of described composite polyolefine material on the one hand, on the other hand, reduce the melt temperature of described composite polyolefine material, reduce energy consumption and cost, and avoid described fiber high temperature add man-hour and mechanical performance is declined.
2, the application is by adding melt additive, makes described polyolefin composite fiber have permanent wettability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described by the accompanying drawing used required in describing embodiment below, apparently, the accompanying drawing in the following describes is only some embodiments of the present invention.
Fig. 1 is the cross section view of the application one better embodiment polyolefin composite fiber;
Fig. 2 is the cross section view of an embodiment of polyolefin composite fiber in Fig. 1;
Fig. 3 is the cross section view of another embodiment of Fig. 1 polyolefin composite fiber;
Fig. 4 is the structural representation of the device preparing polyolefin composite fiber in Fig. 1;
Accompanying drawing illustrates:
100-polyolefin composite fiber, 1-polyolefin, 2-eutectic polyolefin copolymer, 3-melt additive, 200-prepares the device of polyolefin composite fiber 100,210-first extruder, 220-blender, 221-first feeding mouth, 222-second feeding mouth, 223-discharging opening, 230-second extruder, 240-die assembly.
Detailed description of the invention
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Fig. 1 is the cross section view of the application one better embodiment polyolefin composite fiber 100, Fig. 2 is the cross section view of an embodiment of polyolefin composite fiber 100 in Fig. 1, and Fig. 3 is the cross section view of another embodiment of Fig. 1 polyolefin composite fiber 100; Refer to Fig. 1-3, described polyolefin composite fiber 100 comprises polyolefin 1 and at least one eutectic polyolefin copolymer 2.
Particularly, described polyolefin composite fiber 100 is a heterogeneous structure material, and the melt temperature of described eutectic polyolefin copolymer 2 is 140-150 DEG C, and is partly or entirely positioned at the outer surface of described fiber.Described polyolefin composite fiber 100 has line density 1-70dtex.Polyolefin 1 material and melt temperature are that the eutectic polyolefin copolymer 2 of 140-150 DEG C mixes, and reach the technique effect promoting polyolefin composite fiber 100 intensity.In present embodiment, the melt temperature of described eutectic polyolefin copolymer 2 is specially 148 DEG C, and the weight of described eutectic polyolefin copolymer 2 is the 20%-30% of described polyolefin 1 and eutectic polyolefin copolymer 2 gross weight.The eutectic polyolefin copolymer 2 of 20%-30% weight mixes made fiber line density with polyolefin 1 is 2.2dtex.
Embodiment one
Refer to Fig. 2, in the present embodiment, described polyolefin composite fiber 100 is specially two component sheath-core type fiber, and namely described eutectic polyolefin copolymer 2 is skin material, and described polyolefin 1 is core material.
Concrete, described polyolefin 1 and the mixing of described eutectic polyolefin copolymer 2 are processed to the bicomponent fibers of " skin-core " type.Polyolefin 1 is core, and eutectic polyolefin copolymer 2 is oversheath.
Also comprise a melt additive 3 in described polyolefin composite fiber 100, the general formula of described melt additive 3 is:
R-O-{-CH
2-CH
2-O}
x-CH
2-CH
2-O-H，(1)
Wherein, x is the integer of 1-15, and R is CH
3-(CH
2) T-CH=CH-(CH)
8.
Melt additive 3 described in the present embodiment also can comprise the additive agent mixture of two or more (1) compounds.Add the lasting wettability that melt additive 3 improves fibrous material in described polyolefin composite fiber 100, make fiber have stable wettability, and this effect can not be lost because of processing process.In the present embodiment, the mass percent of described melt additive 3 is 0.1%-15%.
Embodiment two
Refer to Fig. 3, in the present embodiment, described polyolefin composite fiber 100 is specially two component fiber type side by side, and described eutectic polyolefin copolymer 2 and described polyolefin 1 are arranged side by side.
Concrete, described polyolefin 1 and the mixing of described eutectic polyolefin copolymer 2 are processed to the bicomponent fibers of " side by side " type.Polyolefin 1 and eutectic polyolefin copolymer 2 are set up in parallel.
Also comprise a melt additive 3 in described polyolefin composite fiber 100, the general formula of described melt additive 3 is:
R-O-{-CH
2-CH
2-O}
x-CH
2-CH
2-O-H，(1)
Wherein, x is the integer of 1-15, and R is CH
3-(CH
2) T-CH=CH-(CH)
8.
Melt additive 3 described in the present embodiment also can comprise the additive agent mixture of two or more (1) compounds.Add the lasting wettability that melt additive 3 improves fibrous material in described polyolefin composite fiber 100, make fiber have stable wettability, and this effect can not be lost because of processing process.In the present embodiment, the mass percent of described melt additive 3 is 0.1%-15%.
Based on same innovation and creation thinking, the application also provides a kind of device 200 preparing said polyolefins composite fibre 100, refers to Fig. 4, and described device 200 comprises the first extruder 210, second extruder 230, blender 221 and die assembly 240.
Wherein, described blender 221 is for being undertaken suppressing required polyolefin composite fiber 100 by being transported to die assembly 240 after the material mixing of the described polyolefin composite fiber 100 of preparation.Concrete, described first extruder 210 is for extruding polyolefin 1, and described second extruder 230 is for extruding the eutectic polyolefin copolymer 2 that melt temperature is 140-150 DEG C; Described blender 221 comprises the first feeding mouth 221 be communicated with described first extruder 210, the second feeding mouth 222 be communicated with described second extruder 230 and discharging opening 223; Described discharging opening 223 is for ejecting the described polyolefin 1 after extruding and described eutectic polyolefin copolymer 2.Described die assembly 240 is for compressing required polyolefin composite fiber 100 according to specific needs.Described die assembly 240 is arranged on the below of described discharging opening 223, comprises one for spraying the die hole of described polyolefin composite fiber 100.In the present embodiment, described die assembly 240 can produce two component sheath-core type fiber and two component fiber type side by side, and in other embodiments, described die assembly 240 can select the fiber type produced as required.
Preferably, described polyolefin fiber materials also comprises a melt additive 3, and the general formula of described melt additive 3 is: R-O-{-CH
2-CH
2-O}
x-CH
2-CH
2-O-H, (1)
Wherein, x is the integer of 1-15, and R is CH
3-(CH
2) T-CH=CH-(CH)
8.
Melt additive 3 described in the present embodiment also can comprise the additive agent mixture of two or more (1) compounds.Add the lasting wettability that melt additive 3 improves fibrous material in described polyolefin composite fiber 100, make fiber have stable wettability, and this effect can not be lost because of processing process.In the present embodiment, the mass percent of described melt additive 3 is 0.1%-15%.
Described melt additive 3 is added in described first extruder or the second extruder, mix with described polyolefin 1 or described eutectic polyolefin copolymer 2, and be ejected into described die assembly 240 from described discharging opening 223.The polyolefin composite fiber 100 made sprays from described die hole.
Based on same inventive concept, the application also provides a kind of bondedfibre fabric, described bondedfibre fabric comprises polyolefin composite fiber 100, refers to Fig. 1-3, and polyolefin composite fiber 100 described in described polyolefin composite fiber 100 comprises polyolefin 1 and at least one eutectic polyolefin copolymer 2.
Particularly, described polyolefin composite fiber 100 is a heterogeneous structure material, and the melt temperature of described eutectic polyolefin copolymer 2 is 140-150 DEG C, and is partly or entirely positioned at the outer surface of described fiber.Described polyolefin composite fiber 100 has line density 1-70dtex.Polyolefin 1 material and melt temperature are that the eutectic polyolefin copolymer 2 of 140-150 DEG C mixes, and reach the technique effect promoting polyolefin composite fiber 100 intensity.In present embodiment, the melt temperature of described eutectic polyolefin copolymer 2 is specially 148 DEG C, and the weight of described eutectic polyolefin copolymer 2 is the 20%-30% of described polyolefin 1 and eutectic polyolefin copolymer 2 gross weight.The eutectic polyolefin copolymer 2 of 20%-30% weight mixes made fiber line density with polyolefin 1 is 2.2dtex.
Preferably, refer to Fig. 2, described polyolefin composite fiber 100 can be two component sheath-core type fibers, and namely described eutectic polyolefin copolymer 2 is skin material, and described polyolefin 1 is core material.Concrete, described polyolefin 1 and the mixing of described eutectic polyolefin copolymer 2 are processed to the bicomponent fibers of " skin-core " type.Polyolefin 1 is core, and eutectic polyolefin copolymer 2 is oversheath.
Preferably, refer to Fig. 3, described polyolefin composite fiber 100 is specially two component fiber type side by side, and described eutectic polyolefin copolymer 2 and described polyolefin 1 are arranged side by side.Concrete, described polyolefin 1 and the mixing of described eutectic polyolefin copolymer 2 are processed to the bicomponent fibers of " side by side " type.Polyolefin 1 and eutectic polyolefin copolymer 2 are set up in parallel.
Preferably, also comprise a melt additive 3 in described polyolefin composite fiber 100, the general formula of described melt additive 3 is:
R-O-{-CH
2-CH
2-O}
x-CH
2-CH
2-O-H，(1)
Wherein, x is the integer of 1-15, and R is CH
3-(CH
2) T-CH=CH-(CH)
8.
Melt additive 3 described in the present embodiment also can comprise the additive agent mixture of two or more (1) compounds.Add the lasting wettability that melt additive 3 improves fibrous material in described polyolefin composite fiber 100, make fiber have stable wettability, and this effect can not be lost because of processing process.In the present embodiment, the mass percent of described melt additive 3 is 0.1%-15%.
The application's beneficial effect is as follows:
1, the eutectic polyolefin copolymer that polyolefin and melt temperature are 140-150 DEG C mixes by the application, improve the intensity of described composite polyolefine material on the one hand, on the other hand, reduce the melt temperature of described composite polyolefine material, reduce energy consumption and cost, and avoid described fiber high temperature add man-hour and mechanical performance is declined.
2, the application is by adding melt additive, makes described polyolefin composite fiber have permanent wettability.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to example to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a polyolefin composite fiber, is characterized in that, described polyolefin composite fiber is a heterogeneous structure material, comprising:
Polyolefin;
At least one eutectic polyolefin copolymer, the melt temperature of described eutectic polyolefin copolymer is 140-150 DEG C, and is partly or entirely positioned at the outer surface of described fiber.
2. polyolefin composite fiber as claimed in claim 1, it is characterized in that, described polyolefin composite fiber has line density 1-70dtex.
3. polyolefin composite fiber as claimed in claim 1, is characterized in that, described polyolefin composite fiber is two component sheath-core type fibers, and wherein said eutectic polyolefin copolymer is skin material, and described polyolefin is core material.
4. polyolefin composite fiber as claimed in claim 1, is characterized in that, described polyolefin composite fiber is two component fiber types side by side, and described eutectic polyolefin copolymer and described polyolefin are arranged side by side.
5. polyolefin composite fiber as claimed in claim 1, it is characterized in that, the melt temperature of described eutectic polyolefin copolymer is specially 148 DEG C.
6. polyolefin composite fiber as claimed in claim 1, it is characterized in that, described polyolefin composite fiber also comprises a melt additive, and the general formula of described melt additive is:
R-O-{-CH
2-CH
2-O}
x-CH
2-CH
2-O-H，
Wherein, x is the integer of 1-15, and R is CH
3-(CH
2) T-CH=CH-(CH)
8.
7. polyolefin composite fiber as claimed in claim 6, it is characterized in that, the mass percent of described melt additive is 0.1%-15%.
8. polyolefin composite fiber as claimed in claim 1, it is characterized in that, described polyolefin is specially at least one in polypropylene, polyethylene and polybutene.
9. prepare as arbitrary in claim 1-8 as described in the device of polyolefin composite fiber, it is characterized in that, described device comprises:
First extruder;
Second extruder;
Blender, comprises the first feeding mouth be communicated with described first extruder, the second feeding mouth be communicated with described second extruder and discharging opening;
Die assembly, is arranged on the below of described discharging opening, comprises one for spraying the die hole of described polyolefin composite fiber.
10. a bondedfibre fabric, is characterized in that, described bondedfibre fabric comprise as arbitrary in claim 1-8 as described in polyolefin composite fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316524.6A CN104928797A (en) | 2015-06-10 | 2015-06-10 | Composite polyolefin fiber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316524.6A CN104928797A (en) | 2015-06-10 | 2015-06-10 | Composite polyolefin fiber and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104928797A true CN104928797A (en) | 2015-09-23 |
Family
ID=54116214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510316524.6A Pending CN104928797A (en) | 2015-06-10 | 2015-06-10 | Composite polyolefin fiber and preparation method thereof |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544008A (en) * | 2016-02-23 | 2016-05-04 | 南通市中和化纤有限公司 | Polyethylene-polypropylene enhanced composite fiber |
| CN115516144A (en) * | 2020-05-08 | 2022-12-23 | 陶氏环球技术有限责任公司 | Bicomponent fibers with improved curvature |
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| CN115516144A (en) * | 2020-05-08 | 2022-12-23 | 陶氏环球技术有限责任公司 | Bicomponent fibers with improved curvature |
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