CN108588897A - A kind of chemical fibre composite fibre and its processing method - Google Patents
A kind of chemical fibre composite fibre and its processing method Download PDFInfo
- Publication number
- CN108588897A CN108588897A CN201810388818.3A CN201810388818A CN108588897A CN 108588897 A CN108588897 A CN 108588897A CN 201810388818 A CN201810388818 A CN 201810388818A CN 108588897 A CN108588897 A CN 108588897A
- Authority
- CN
- China
- Prior art keywords
- composite fibre
- fibre
- polylactic
- composite
- polybutylene terephthalate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 125
- 239000002131 composite material Substances 0.000 title claims abstract description 63
- 239000000126 substance Substances 0.000 title claims abstract description 16
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 45
- 239000002253 acid Substances 0.000 claims abstract description 29
- -1 polybutylene terephthalate Polymers 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 17
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 11
- 239000011162 core material Substances 0.000 claims description 10
- 238000009987 spinning Methods 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000000806 elastomer Substances 0.000 claims description 9
- 150000005690 diesters Chemical class 0.000 claims description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 2
- WSQZNZLOZXSBHA-UHFFFAOYSA-N 3,8-dioxabicyclo[8.2.2]tetradeca-1(12),10,13-triene-2,9-dione Chemical compound O=C1OCCCCOC(=O)C2=CC=C1C=C2 WSQZNZLOZXSBHA-UHFFFAOYSA-N 0.000 claims 1
- 229920002334 Spandex Polymers 0.000 abstract description 7
- 239000004759 spandex Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004040 coloring Methods 0.000 abstract description 4
- 229920000747 poly(lactic acid) Polymers 0.000 description 20
- 239000004626 polylactic acid Substances 0.000 description 20
- 238000001035 drying Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 239000004744 fabric Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 2
- 240000003183 Manihot esculenta Species 0.000 description 1
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 1
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 229920002494 Zein Polymers 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 239000005019 zein Substances 0.000 description 1
- 229940093612 zein Drugs 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Multicomponent Fibers (AREA)
Abstract
The present invention relates to a kind of chemical fibre composite fibre and its processing methods.The composite fibre includes acid fiber by polylactic and polybutylene terephthalate, the polybutylene terephthalate is the core of the composite fibre, the acid fiber by polylactic is compounded in the outside of polybutylene terephthalate, and the composite fibre section is rounded.It is an advantage of the invention that：PBT material pollutes small in process of production first（Especially compare spandex）, monofilament linear density（Fineness）It is small（Compare spandex）, therefore it is soft.In addition its coloring is good（Dye-uptake, color fastness）, and the processing temperature of two kinds of materials is closer to.（PBT fusing points are 220 DEG C, 170 DEG C of PLA fusing points）.Two kinds of fibers can dye within the scope of 90 100 DEG C, be very suitable for production composite fibre.
Description
Technical field
The present invention relates to a kind of melt-spun chemical fiber field more particularly to a kind of chemical fibre composite fibre and its processing sides
Method.
Background technology
Zein fiber is also known as acid fiber by polylactic, abbreviation PLA.Be one kind using the tuber crops such as corn cassava starch as raw material,
A kind of new bio base fiber that fermented, purification is simultaneously formed through a series of reaction, it has environment-friendly degradable, antibacterial, refreshing
Skin leads many advantages, such as sweat.Polylactic acid has become state key development projects at present.
According to the characteristic of acid fiber by polylactic, to increase the elasticity of textile fabric, the method used at present is manufactured in fabric
Increase a certain number of spandex fibres in the process, but since spandex production pollution is big and setting temperature is high（160-170℃）, and gather
Acid fiber is easily degraded at high temperature, and it is undesirable that spandex fibre therefore, when producing polylactic acid fabric, which is added,.
Lasting exploration is done for the above situation our company, we produce elastic composite fiber using PLA and PBT, reach
Extraordinary effect is arrived.
Patent content
The object of the present invention is to provide a kind of chemical fibre composite fibre and its processing methods, are conducive to polylactic acid fiber fabric production institute
It needs, easy to process, good hand touch.
The technical scheme is that：The composite fibre includes acid fiber by polylactic and polybutylene terephthalate,
The polybutylene terephthalate is the core of the composite fibre, and the acid fiber by polylactic is compounded in poly terephthalic acid fourth
The outside of diester, the composite fibre section are rounded.
The composite fibre includes compound acid fiber by polylactic and polybutylene terephthalate arranged side by side, the poly- breast
Sour fiber and polybutylene terephthalate section are two symmetrical semicircle.
The composite fibre includes compound acid fiber by polylactic and polybutylene terephthalate arranged side by side, and described is compound
Fibre section is in dumbbell shaped.
A kind of processing method of chemical fibre composite fibre, the composite fibre includes acid fiber by polylactic and poly terephthalic acid
Fourth diester, the polybutylene terephthalate are the core of the composite fibre, and the acid fiber by polylactic is compounded in poly- to benzene
The outside of dioctyl phthalate fourth diester, the composite fibre section is rounded, we have selected melt-spun composite spinning method to give birth to first
The core-skin fibre is produced, the core material of the elastomer is；PBT accounting 50%-60%, the material used in skin are；PLA accountings 40%-
50%。
The composite fibre includes compound acid fiber by polylactic and polybutylene terephthalate arranged side by side, the poly- breast
Sour fiber and polybutylene terephthalate section are two symmetrical semicircle,
Melt-spun composite spinning method produces parallel composite fiber, and fibre section is that two halves are round, the half material of the elastomer
Material is；PBT accounting 40%-60%, the other half material are；PLA accountings 40%-60%.
The composite fibre includes compound acid fiber by polylactic and polybutylene terephthalate arranged side by side, and described is compound
Fibre section is in dumbbell shaped,
Melt-spun composite spinning method produces parallel composite fiber, and fibre section is that two halves are round, the half material of the elastomer
Material is；PBT accounting 40%-60%, the other half material are；PLA accountings 40%-60%.
It is an advantage of the invention that：PBT material pollutes small in process of production first（Especially compare spandex）, monofilament linear density
（Fineness）It is small（Compare spandex）, therefore it is soft.In addition its coloring is good（Dye-uptake, color fastness）, and two kinds of materials plus
Work temperature is closer to.（PBT fusing points are 220 DEG C, 170 DEG C of PLA fusing points）.Two kinds of fibers can contaminate within the scope of 90-100 DEG C
Color is very suitable for production composite fibre.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is another structural schematic diagram of the present invention.
Fig. 3 is the another structural schematic diagram of the present invention.
1 is acid fiber by polylactic in figure, and 2 be polybutylene terephthalate.
Specific implementation mode
Embodiment 1
A kind of chemical fibre composite fibre, the composite fibre include acid fiber by polylactic 1 and polybutylene terephthalate 2, described
Polybutylene terephthalate 2 be the composite fibre core, the acid fiber by polylactic 1 is compounded in poly terephthalic acid fourth two
The outside of ester 2, the composite fibre section are rounded.We have selected melt-spun composite spinning method to produce core-skin fibre first
Dimension（Fig. 1）, the core material of the elastomer is；PBT（Accounting 50%-60%）, the material used in skin is；PLA（Accounting 40%-
50%）.
The advantages of fiber；Skin is PLA raw materials, and PLA has good skin-friendly, ideal biocidal property, gas permeability to have silk
As smoothness.Core is PBT raw materials, and fibrous elasticity made of the raw material is splendid, makees core using PBT, PLA makees fiber made of skin
The advantages of PLA is to skin is remained, and remains the elasticity of PBT, is ideal knitting, needed for weaving underwear processing
Fibrous material.
Embodiment 2
A kind of chemical fibre composite fibre, the composite fibre include compound acid fiber by polylactic 1 and poly terephthalic acid fourth arranged side by side
Diester 2, the acid fiber by polylactic 1 and 2 section of polybutylene terephthalate are two symmetrical semicircle.
Melt-spun composite spinning method produces parallel composite fiber（Fibre section is that two halves are round）, the one of the elastomer
Half material is；PBT（Accounting 40%-60%）, the other half material is；PLA（Accounting 40%-60%）.The fiber（Fig. 2）The characteristics of be bullet
Property is more preferable, and since PLA is different from PBT colorings, its fiber has a kind of unique pattern effect after dye.
Embodiment 3
A kind of chemical fibre composite fibre, the composite fibre include compound acid fiber by polylactic 1 and poly terephthalic acid fourth arranged side by side
Diester 2, the composite fibre section are in dumbbell shaped.
Melt-spun composite spinning method produces parallel composite fiber（Fibre section is that two halves are round）, the one of the elastomer
Half material is；PBT（Accounting 40%-60%）, the other half material is；PLA（Accounting 40%-60%）.The fiber（Fig. 3）The characteristics of be bullet
Property is more preferable, and since PLA is different from PBT colorings, its fiber has a kind of unique pattern effect after dye.
PLA technique for producing raw material parameters
According to polylactic acid high polymer（Polylactic acid slice）Characteristic, we select method for continuous drying, for ensure slice drying
Degree, while ensureing to be sliced palliating degradation degree ＜ 20%, drying temperature is set as 95 DEG C -100 DEG C, 98-103 DEG C of crystallization temperature, when dry
Between -8 hours 6 hours（Raw material and product specification are different, and drying time is slightly different）, it is sliced moisture content≤30ppm.
Spinning temperature is set；1 150-210 DEG C of area's temperature of screw rod, 2 220-240 DEG C of area's temperature of screw rod, 3 area's temperature of screw rod
220-230 DEG C, 3 area temperature 220-235 of screw rod, 4 220-235 DEG C of area's temperature of screw rod, 5 220-230 DEG C of area's temperature of screw rod, screw rod 6
220-230 DEG C of area's temperature, elbow, flange temperature；220-230 DEG C, 220-230 DEG C of filter temperature, spin manifold temperature 220-230
DEG C, pressure 9-10Zp before babinet pump, pressure 7-8Zp after pump.
PBT technique for producing raw material parameters
PBT is continuous drying, and drying temperature is set as 115-125 DEG C, -11 hours 10 hours drying time（Raw material and product specification
Difference, drying time are slightly different）, it is sliced moisture content≤80ppm.
1 210-230 DEG C of area's temperature of screw rod, 2 270-250 DEG C of area's temperature of screw rod, 3 270-250 DEG C of area's temperature of screw rod, screw rod 3
Area temperature 265-255,4 265-255 DEG C of area's temperature of screw rod, 5 265-255 DEG C of area's temperature of screw rod, 6 265-255 DEG C of area's temperature of screw rod,
Elbow, flange temperature；265-245 DEG C, 265-245 DEG C of filter temperature, 270-250 DEG C of spin manifold temperature, the preceding pressure 9- of babinet pump
10Zp, pressure 7-8Zp after pump.
Above example is only to illustrate the invention and not limits technical solution described in the invention；Cause
This, is although this specification has been carried out detailed description with reference to above-mentioned each embodiment to the invention, this field
It is to be appreciated by one skilled in the art that still can modify to the invention or equivalent replacement；And all do not depart from this
The technical solution of the spirit and scope of innovation and creation and its improvement should all cover the right in the invention
In.
Claims (6)
1. a kind of chemical fibre composite fibre, it is characterised in that：The composite fibre includes acid fiber by polylactic and poly terephthalic acid
Fourth diester, the polybutylene terephthalate are the core of the composite fibre, and the acid fiber by polylactic is compounded in poly- to benzene
The outside of dioctyl phthalate fourth diester, the composite fibre section are rounded.
2. a kind of chemical fibre composite fibre according to claim 1, it is characterised in that：The composite fibre includes multiple side by side
The acid fiber by polylactic and polybutylene terephthalate of conjunction, the acid fiber by polylactic and polybutylene terephthalate section are
Two symmetrical semicircle.
3. a kind of chemical fibre composite fibre according to claim 1, it is characterised in that：The composite fibre includes multiple side by side
The acid fiber by polylactic and polybutylene terephthalate of conjunction, the composite fibre section are in dumbbell shaped.
4. a kind of processing method of chemical fibre composite fibre, it is characterised in that：The composite fibre includes acid fiber by polylactic and gathers
Butylene terephthalate, the polybutylene terephthalate are the core of the composite fibre, and the acid fiber by polylactic is multiple
It closes in the outside of polybutylene terephthalate, the composite fibre section is rounded, we have selected melt-spun compound first
Spinning process produces the core-skin fibre, and the core material of the elastomer is；PBT accounting 50%-60%, the material used in skin are；PLA
Accounting 40%-50%.
5. a kind of processing method of chemical fibre composite fibre according to claim 1, it is characterised in that：The composite fibre
Including compound side by side acid fiber by polylactic and polybutylene terephthalate, the acid fiber by polylactic and poly terephthalic acid fourth
Diester section is two symmetrical semicircle,
Melt-spun composite spinning method produces parallel composite fiber, and fibre section is that two halves are round, the half material of the elastomer
Material is；PBT accounting 40%-60%, the other half material are；PLA accountings 40%-60%.
6. a kind of processing method of chemical fibre composite fibre according to claim 1, it is characterised in that：The composite fibre
Including compound side by side acid fiber by polylactic and polybutylene terephthalate, the composite fibre section is in dumbbell shaped,
Melt-spun composite spinning method produces parallel composite fiber, and fibre section is that two halves are round, the half material of the elastomer
Material is；PBT accounting 40%-60%, the other half material are；PLA accountings 40%-60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810388818.3A CN108588897A (en) | 2018-04-27 | 2018-04-27 | A kind of chemical fibre composite fibre and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810388818.3A CN108588897A (en) | 2018-04-27 | 2018-04-27 | A kind of chemical fibre composite fibre and its processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108588897A true CN108588897A (en) | 2018-09-28 |
Family
ID=63609964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810388818.3A Pending CN108588897A (en) | 2018-04-27 | 2018-04-27 | A kind of chemical fibre composite fibre and its processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108588897A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259176A (en) * | 1997-05-02 | 2000-07-05 | 卡吉尔公司 | Degradable polymer fibers, preparation, product, and methods of use |
| CN1678777A (en) * | 2002-08-30 | 2005-10-05 | 东丽株式会社 | Polylactic acid fiber, yarn package, and textile product |
| JP2008196069A (en) * | 2007-02-09 | 2008-08-28 | Nippon Ester Co Ltd | Polyester conjugate fiber |
| CN107805856A (en) * | 2017-09-30 | 2018-03-16 | 同济大学 | A kind of PLA Composite Fiber and preparation method thereof |
-
2018
- 2018-04-27 CN CN201810388818.3A patent/CN108588897A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1259176A (en) * | 1997-05-02 | 2000-07-05 | 卡吉尔公司 | Degradable polymer fibers, preparation, product, and methods of use |
| CN1678777A (en) * | 2002-08-30 | 2005-10-05 | 东丽株式会社 | Polylactic acid fiber, yarn package, and textile product |
| JP2008196069A (en) * | 2007-02-09 | 2008-08-28 | Nippon Ester Co Ltd | Polyester conjugate fiber |
| CN107805856A (en) * | 2017-09-30 | 2018-03-16 | 同济大学 | A kind of PLA Composite Fiber and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180928 |