CN110424065A - A kind of high-strength light fiber of luggage and preparation method thereof - Google Patents
A kind of high-strength light fiber of luggage and preparation method thereof Download PDFInfo
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- CN110424065A CN110424065A CN201910824449.2A CN201910824449A CN110424065A CN 110424065 A CN110424065 A CN 110424065A CN 201910824449 A CN201910824449 A CN 201910824449A CN 110424065 A CN110424065 A CN 110424065A
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- internal layer
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- outer layer
- strength light
- luggage
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- 239000000835 fiber Substances 0.000 title claims abstract description 91
- 238000002360 preparation method Methods 0.000 title claims description 13
- 239000002994 raw material Substances 0.000 claims abstract description 61
- 229920001577 copolymer Polymers 0.000 claims abstract description 35
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 26
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 25
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims abstract description 22
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 claims abstract description 18
- YQLZOAVZWJBZSY-UHFFFAOYSA-N decane-1,10-diamine Chemical compound NCCCCCCCCCCN YQLZOAVZWJBZSY-UHFFFAOYSA-N 0.000 claims abstract description 16
- VRFNYSYURHAPFL-UHFFFAOYSA-N [(4-methylphenyl)sulfonylamino]urea Chemical compound CC1=CC=C(S(=O)(=O)NNC(N)=O)C=C1 VRFNYSYURHAPFL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 14
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 6
- 239000005977 Ethylene Substances 0.000 claims description 6
- 238000007334 copolymerization reaction Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 6
- 230000000171 quenching effect Effects 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 6
- 239000004715 ethylene vinyl alcohol Substances 0.000 claims description 3
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 claims description 3
- 150000008064 anhydrides Chemical class 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 238000010521 absorption reaction Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 229920000728 polyester Polymers 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 17
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000004952 Polyamide Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 229920001778 nylon Polymers 0.000 description 6
- 229920002647 polyamide Polymers 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 5
- 230000000295 complement effect Effects 0.000 description 3
- 229920006253 high performance fiber Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 2
- WRLRISOTNFYPMU-UHFFFAOYSA-N [S].CC1=CC=CC=C1 Chemical compound [S].CC1=CC=CC=C1 WRLRISOTNFYPMU-UHFFFAOYSA-N 0.000 description 2
- 229920003231 aliphatic polyamide Polymers 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000006367 bivalent amino carbonyl group Chemical group [H]N([*:1])C([*:2])=O 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- -1 formyl decamethylene diamines Chemical class 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 150000003349 semicarbazides Chemical class 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000009941 weaving Methods 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- 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
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- 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
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Multicomponent Fibers (AREA)
- Artificial Filaments (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a kind of high-strength light fibers of luggage, including internal layer and outer layer；The section of the internal layer is triangular in shape, and the external sheath is in the periphery of internal layer, and the cross section profile of the outer layer is rounded；The internal layer is by including that the raw material of following parts by weight is made: 300~370 parts of poly- (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine), 67~82 parts of isobutyiene-maieic anhydride copolymer, 1.2~1.8 parts of p-toluene sulfonylsemicarbazide；The outer layer is by including that the raw material of following parts by weight is made: 300~360 parts of ultra-high molecular weight polyethylene, 95~114 parts of ethylene-vinyl alcohol copolymer.The high-strength light fibre density of luggage of the invention is small, light weight；The high and biggish elongation of tensile strength, load effect is good, and toughness is good；Saturation moisture absorption is high, has water suction and drainage rates faster compared to common polyester fiber.
Description
Technical field
The present invention relates to fiber and preparation method thereof fields, and in particular to a kind of the high-strength light fiber and its system of luggage
Preparation Method.
Background technique
Polyamide is commonly called as nylon (Nylon), English name Polyamide (abbreviation PA), and density 1.15g/cm3 is molecule
Contain the thermoplastic resin general name of recurring amide radical group-[NHCO]-, including aliphatic PA, fat-aromatic series PA on main chain
With aromatic series PA.Wherein aliphatic PA is wide in variety, and yield is big, is widely used, and names by the specific carbon atom number of synthon
Depending on.Nylon is a kind of saying of Fypro (polyamide fibre), can be made into long fine or short fibre.Polyamide fibre is the commodity of Fypro
Title, also known as nylon (Nylon).English name Polyamide (abbreviation PA), basic component are by amido bond-
The fatty polyamide that [NHCO]-is connected.
Ultra high molecular weight polyethylene fiber, also known as high-strength high-modulus polyethylene fiber are that 1970s grow up
A kind of high-performance fiber, it is the smallest fiber of density in high-performance fiber that appearance, which is white, and unique one kind can be in water
The fiber floated on face has outstanding physical mechanical property.Ultra high molecular weight polyethylene fiber is strong because of the high fracture that it has
Degree, high initial modulus, low elongation at break, with Aramid fibers, carbon fiber simultaneously is known as can be realized industrialized production at present
Three big high-performance fibers.It is protecting, there is mature application in the fields such as cable, lead at tips such as aerospace, deep-sea, medical treatment
There is extensive prospect of the application in domain.
The fiber of luggage used at present there is problems:
1, lack with high-intensitive light fibre, while being difficult to ensure good abrasion resistance, heat resistance and low moisture absorption
The comprehensive performances such as property；
2, ultra high molecular weight polyethylene fiber is for making the at high cost of fiber, and difficulty of processing is big, it is difficult in daily weaving
It is applied in product.
It based on the above situation, can be effective the invention proposes high-strength light fiber of a kind of luggage and preparation method thereof
Solve problem above.
Summary of the invention
The purpose of the present invention is to provide high-strength light fibers of a kind of luggage and preparation method thereof.Luggage of the invention
High-strength light fiber has internal layer and layer structure, is made up of selected each layer raw material, and optimize each material content, both filled
Respective advantage is waved in distribution, and is complementary to one another, and is mutually promoted, is reduced the use type of raw material, optimize cost of material, mention
The quality stability of product is risen, the high-strength light fibre density of luggage obtained is small, light weight；Tensile strength is high and larger
Elongation, load effect is good, and toughness is good；Saturation moisture absorption is high, has water suction faster compared to common polyester fiber
And drainage rates.
In order to solve the above technical problems, present invention provide the technical scheme that
A kind of high-strength light fiber of luggage, including internal layer and outer layer；The section of the internal layer is triangular in shape, described outer
Layer is coated on the periphery of internal layer, and the cross section profile of the outer layer is rounded；The internal layer is by the raw material including following parts by weight
It is made: 300~370 parts of poly- (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine), 67~82 parts of isobutyiene-maieic anhydride copolymer,
1.2~1.8 parts of p-toluene sulfonylsemicarbazide；
The outer layer is by including that the raw material of following parts by weight is made: 300~360 parts of ultra-high molecular weight polyethylene, ethylene-second
95~114 parts of enol copolymer.
The high-strength light fiber of luggage of the invention has internal layer and layer structure, is made up of selected each layer raw material,
And optimize each material content, respective advantage is not only given full play to, but also be complementary to one another, mutually promoted, has reduced the use of raw material
Type optimizes cost of material, promotes the quality stability of product, the high-strength light fibre density of luggage obtained is small, matter
Amount is light；The high and biggish elongation of tensile strength, load effect is good, and toughness is good；Saturation moisture absorption is high, compared to common
Polyester fiber has water suction and drainage rates faster.
In the high-strength light fiber of luggage of the invention, the internal layer by proper proportion poly- (epsilon-caprolactams/to benzene
Two formyl decamethylene diamines), isobutyiene-maieic anhydride copolymer, p-toluene sulfonylsemicarbazide part be made, wherein poly- (epsilon-caprolactams/
Paraphenylene terephthalamide's decamethylene diamine) it is used as basis material, good mechanical property basis is provided, guarantees that tensile strength obtained is high, and
Biggish elongation, load effect is good, and toughness is good；Isobutyiene-maieic anhydride copolymer is mainly used for increasing poly- (ε-acyl in oneself
Amine/paraphenylene terephthalamide's decamethylene diamine) etc. the phase same sex between surface material, the binding force of internal layer and outer layer is provided, guarantees this hair
The high-strength light fiber of bright luggage has good mechanical property, a small amount of p-toluene sulfonylsemicarbazide addition, as hair
Infusion makes poly- (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine) and isobutyiene-maieic anhydride copolymer mixture, slightly foamed,
A small amount of lesser uniform cell is generated, the high-strength light fibre density for greatly reducing luggage of the invention is small, alleviates matter
Amount.
In the high-strength light fiber of luggage of the invention, the outer layer by proper proportion ultra-high molecular weight polyethylene and
Ethylene-vinyl alcohol copolymer is made, and wherein ultra-high molecular weight polyethylene provides good mechanical property base as basis material
Plinth guarantees the high and biggish elongation of tensile strength obtained, and load effect is good, and toughness is good；It increases poly- with inner layer material
The compatibility of (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine) and isobutyiene-maieic anhydride copolymer, while can substantially improve super
High molecular weight polyethylene processing fluidity is more readily processed the high-strength light fiber of luggage of the invention, and provides hydroxyl
Base increases the hydrophily of fiber, ensure that the high-strength light fiber saturation moisture absorption of luggage of the invention is high, compared to general
Logical polyester fiber has water suction and drainage rates faster.
In the high-strength light fiber of luggage of the invention, pass through rationally taking for layer raw material each in internal layer and layer structure
Match, reduce the use type of raw material, reduce the use of ultra-high molecular weight polyethylene, optimize cost of material, is promoted and produced
The quality stability of product ensure that the high-strength light fibre density of luggage obtained is small, light weight；Tensile strength is high, and compared with
Big elongation, load effect is good, and toughness is good；Saturation moisture absorption is high, has compared to common polyester fiber and inhales faster
Water and drainage rates.
Preferably, the internal layer is by including that the raw material of following parts by weight is made: poly- (epsilon-caprolactams/paraphenylene terephthalamide's last of the ten Heavenly stems
Diamines) 335 parts, 69.5 parts of isobutyiene-maieic anhydride copolymer, 1.55 parts of p-toluene sulfonylsemicarbazide；The outer layer is by including
The raw material of following parts by weight is made: 330 parts of ultra-high molecular weight polyethylene, 104.5 parts of ethylene-vinyl alcohol copolymer.
Preferably, the molecular weight of the ultra-high molecular weight polyethylene is 155~1,750,000.
Preferably, the molecular weight of the ethylene-vinyl alcohol copolymer is 16.5~19.5 ten thousand.
It is furthermore preferred that the molar ratio of ethylene and vinyl alcohol (link units) is 1 in the ethylene-vinyl alcohol copolymer:
0.52~0.57.
Preferably, the molecular weight of the isobutyiene-maieic anhydride copolymer is 12~150,000.
It is furthermore preferred that the copolymerization ratios of isobutene and maleic anhydride are 1 in the isobutyiene-maieic anhydride copolymer:
0.42~0.48.
Preferably, the ratio between area of section of the internal layer and outer layer is 1:0.55~0.65.
Preferably, the fineness of the high-strength light fiber of the luggage is 2~5d.
The present invention also provides the preparation methods of the high-strength light fiber of the luggage described in one kind, including the following steps:
A, each raw material for weighing internal layer and outer layer respectively by weight, by internal layer and the uniformly mixing respectively of outer layer raw material, so
After dried, until the moisture content of each raw material of internal layer and outer layer is below 3 ‰；
B, the internal layer raw material after mixing drying is sent into single screw extrusion machine and is melt into internal layer blend melt；
C, the outer layer raw material after mixing drying is sent into double screw extruder and is melt into outer layer blend melt；
D, internal layer blend melt and outer layer blend melt, into composite spinning machine, after melt distributes, from composite spinneret
Middle ejection forms the strand with internal layer and layer structure, then through quenching, oil, wind, stretch, thermal finalization, volume
Bent, cutting, obtains the high-strength light fiber of the luggage.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
The high-strength light fiber of luggage of the invention has internal layer and layer structure, is made up of selected each layer raw material,
And optimize each material content, respective advantage is not only given full play to, but also be complementary to one another, mutually promoted, has reduced the use of raw material
Type optimizes cost of material, promotes the quality stability of product, the high-strength light fibre density of luggage obtained is small, matter
Amount is light；The high and biggish elongation of tensile strength, load effect is good, and toughness is good；Saturation moisture absorption is high, compared to common
Polyester fiber has water suction and drainage rates faster.
In the high-strength light fiber of luggage of the invention, the internal layer by proper proportion poly- (epsilon-caprolactams/to benzene
Two formyl decamethylene diamines), isobutyiene-maieic anhydride copolymer, p-toluene sulfonylsemicarbazide part be made, wherein poly- (epsilon-caprolactams/
Paraphenylene terephthalamide's decamethylene diamine) it is used as basis material, good mechanical property basis is provided, guarantees that tensile strength obtained is high, and
Biggish elongation, load effect is good, and toughness is good；Isobutyiene-maieic anhydride copolymer is mainly used for increasing poly- (ε-acyl in oneself
Amine/paraphenylene terephthalamide's decamethylene diamine) etc. the phase same sex between surface material, the binding force of internal layer and outer layer is provided, guarantees this hair
The high-strength light fiber of bright luggage has good mechanical property, a small amount of p-toluene sulfonylsemicarbazide addition, as hair
Infusion makes poly- (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine) and isobutyiene-maieic anhydride copolymer mixture, slightly foamed,
A small amount of lesser uniform cell is generated, the high-strength light fibre density for greatly reducing luggage of the invention is small, alleviates matter
Amount.
In the high-strength light fiber of luggage of the invention, the outer layer by proper proportion ultra-high molecular weight polyethylene and
Ethylene-vinyl alcohol copolymer is made, and wherein ultra-high molecular weight polyethylene provides good mechanical property base as basis material
Plinth guarantees the high and biggish elongation of tensile strength obtained, and load effect is good, and toughness is good；It increases poly- with inner layer material
The compatibility of (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine) and isobutyiene-maieic anhydride copolymer, while can substantially improve super
High molecular weight polyethylene processing fluidity is more readily processed the high-strength light fiber of luggage of the invention, and provides hydroxyl
Base increases the hydrophily of fiber, ensure that the high-strength light fiber saturation moisture absorption of luggage of the invention is high, compared to general
Logical polyester fiber has water suction and drainage rates faster.
In the high-strength light fiber of luggage of the invention, pass through rationally taking for layer raw material each in internal layer and layer structure
Match, reduce the use type of raw material, reduce the use of ultra-high molecular weight polyethylene, optimize cost of material, is promoted and produced
The quality stability of product ensure that the high-strength light fibre density of luggage obtained is small, light weight；Tensile strength is high, and compared with
Big elongation, load effect is good, and toughness is good；Saturation moisture absorption is high, has compared to common polyester fiber and inhales faster
Water and drainage rates.
Preparation method simple process of the invention, it is easy to operate, save manpower and equipment cost.
Specific embodiment
It is right combined with specific embodiments below in order to make those skilled in the art more fully understand technical solution of the present invention
The preferred embodiments of the invention are described, but should not be understood as the limitation to this patent.
Test method described in following embodiments or test method are unless otherwise specified conventional method；The reagent
And material is obtained from routine business approach, or prepare in conventional manner unless otherwise specified.
Embodiment 1:
A kind of high-strength light fiber of luggage, including internal layer and outer layer；The section of the internal layer is triangular in shape, described outer
Layer is coated on the periphery of internal layer, and the cross section profile of the outer layer is rounded；The internal layer is by the raw material including following parts by weight
It is made: 300~370 parts of poly- (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine), 67~82 parts of isobutyiene-maieic anhydride copolymer,
1.2~1.8 parts of p-toluene sulfonylsemicarbazide；
The outer layer is by including that the raw material of following parts by weight is made: 300~360 parts of ultra-high molecular weight polyethylene, ethylene-second
95~114 parts of enol copolymer.
Preferably, the internal layer is by including that the raw material of following parts by weight is made: poly- (epsilon-caprolactams/paraphenylene terephthalamide's last of the ten Heavenly stems
Diamines) 335 parts, 69.5 parts of isobutyiene-maieic anhydride copolymer, 1.55 parts of p-toluene sulfonylsemicarbazide；The outer layer is by including
The raw material of following parts by weight is made: 330 parts of ultra-high molecular weight polyethylene, 104.5 parts of ethylene-vinyl alcohol copolymer.
Preferably, the molecular weight of the ultra-high molecular weight polyethylene is 155~1,750,000.
Preferably, the molecular weight of the ethylene-vinyl alcohol copolymer is 16.5~19.5 ten thousand.
It is furthermore preferred that the molar ratio of ethylene and vinyl alcohol is 1:0.52~0.57 in the ethylene-vinyl alcohol copolymer.
Preferably, the molecular weight of the isobutyiene-maieic anhydride copolymer is 12~150,000.
It is furthermore preferred that the copolymerization ratios of isobutene and maleic anhydride are 1 in the isobutyiene-maieic anhydride copolymer:
0.42~0.48.
Preferably, the ratio between area of section of the internal layer and outer layer is 1:0.55~0.65.
Preferably, the fineness of the high-strength light fiber of the luggage is 2~5d.
The present invention also provides the preparation methods of the high-strength light fiber of the luggage described in one kind, including the following steps:
A, each raw material for weighing internal layer and outer layer respectively by weight, by internal layer and the uniformly mixing respectively of outer layer raw material, so
After dried, until the moisture content of each raw material of internal layer and outer layer is below 3 ‰；
B, the internal layer raw material after mixing drying is sent into single screw extrusion machine and is melt into internal layer blend melt；
C, the outer layer raw material after mixing drying is sent into double screw extruder and is melt into outer layer blend melt；
D, internal layer blend melt and outer layer blend melt, into composite spinning machine, after melt distributes, from composite spinneret
Middle ejection forms the strand with internal layer and layer structure, then through quenching, oil, wind, stretch, thermal finalization, volume
Bent, cutting, obtains the high-strength light fiber of the luggage.
Embodiment 2:
A kind of high-strength light fiber of luggage, including internal layer and outer layer；The section of the internal layer is triangular in shape, described outer
Layer is coated on the periphery of internal layer, and the cross section profile of the outer layer is rounded；The internal layer is by the raw material including following parts by weight
It is made: 300 parts of poly- (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine), 67 parts of isobutyiene-maieic anhydride copolymer, to toluene sulphur
1.2 parts of semicarbazides；
The outer layer is by including that the raw material of following parts by weight is made: 300 parts of ultra-high molecular weight polyethylene, ethylene-vinyl alcohol
95 parts of copolymer.
In the present embodiment, the molecular weight of the ultra-high molecular weight polyethylene is 1,550,000.
In the present embodiment, the molecular weight of the ethylene-vinyl alcohol copolymer is 16.5 ten thousand.
In the present embodiment, the molar ratio of ethylene and vinyl alcohol is 1:0.52 in the ethylene-vinyl alcohol copolymer.
In the present embodiment, the molecular weight of the isobutyiene-maieic anhydride copolymer is 120,000.
In the present embodiment, the copolymerization ratios of isobutene and maleic anhydride are in the isobutyiene-maieic anhydride copolymer
1:0.42.
In the present embodiment, the ratio between area of section of the internal layer and outer layer is 1:0.55.
In the present embodiment, the fineness of the high-strength light fiber of the luggage is 2d.
In the present embodiment, the preparation method of the high-strength light fiber of the luggage, including the following steps:
A, each raw material for weighing internal layer and outer layer respectively by weight, by internal layer and the uniformly mixing respectively of outer layer raw material, so
After dried, until the moisture content of each raw material of internal layer and outer layer is below 3 ‰；
B, the internal layer raw material after mixing drying is sent into single screw extrusion machine and is melt into internal layer blend melt；
C, the outer layer raw material after mixing drying is sent into double screw extruder and is melt into outer layer blend melt；
D, internal layer blend melt and outer layer blend melt, into composite spinning machine, after melt distributes, from composite spinneret
Middle ejection forms the strand with internal layer and layer structure, then through quenching, oil, wind, stretch, thermal finalization, volume
Bent, cutting, obtains the high-strength light fiber of the luggage.
Embodiment 3:
A kind of high-strength light fiber of luggage, including internal layer and outer layer；The section of the internal layer is triangular in shape, described outer
Layer is coated on the periphery of internal layer, and the cross section profile of the outer layer is rounded；The internal layer is by the raw material including following parts by weight
It is made: 370 parts of poly- (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine), 82 parts of isobutyiene-maieic anhydride copolymer, to toluene sulphur
1.8 parts of semicarbazides；
The outer layer is by including that the raw material of following parts by weight is made: 360 parts of ultra-high molecular weight polyethylene, ethylene-vinyl alcohol
14 parts of copolymer 1.
In the present embodiment, the molecular weight of the ultra-high molecular weight polyethylene is 1,750,000.
In the present embodiment, the molecular weight of the ethylene-vinyl alcohol copolymer is 19.5 ten thousand.
In the present embodiment, the molar ratio of ethylene and vinyl alcohol is 1:0.57 in the ethylene-vinyl alcohol copolymer.
In the present embodiment, the molecular weight of the isobutyiene-maieic anhydride copolymer is 150,000.
In the present embodiment, the copolymerization ratios of isobutene and maleic anhydride are in the isobutyiene-maieic anhydride copolymer
1:0.48.
In the present embodiment, the ratio between area of section of the internal layer and outer layer is 1:0.65.
In the present embodiment, the fineness of the high-strength light fiber of the luggage is 5d.
In the present embodiment, the preparation method of the high-strength light fiber of the luggage, including the following steps:
A, each raw material for weighing internal layer and outer layer respectively by weight, by internal layer and the uniformly mixing respectively of outer layer raw material, so
After dried, until the moisture content of each raw material of internal layer and outer layer is below 3 ‰；
B, the internal layer raw material after mixing drying is sent into single screw extrusion machine and is melt into internal layer blend melt；
C, the outer layer raw material after mixing drying is sent into double screw extruder and is melt into outer layer blend melt；
D, internal layer blend melt and outer layer blend melt, into composite spinning machine, after melt distributes, from composite spinneret
Middle ejection forms the strand with internal layer and layer structure, then through quenching, oil, wind, stretch, thermal finalization, volume
Bent, cutting, obtains the high-strength light fiber of the luggage.
Embodiment 4:
A kind of high-strength light fiber of luggage, including internal layer and outer layer；The section of the internal layer is triangular in shape, described outer
Layer is coated on the periphery of internal layer, and the cross section profile of the outer layer is rounded；The internal layer is by the raw material including following parts by weight
Be made: the internal layer is by including that the raw material of following parts by weight is made: 335 parts of poly- (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine),
69.5 parts of isobutyiene-maieic anhydride copolymer, 1.55 parts of p-toluene sulfonylsemicarbazide；The outer layer is by including following parts by weight
Raw material is made: 330 parts of ultra-high molecular weight polyethylene, 104.5 parts of ethylene-vinyl alcohol copolymer.
In the present embodiment, the molecular weight of the ultra-high molecular weight polyethylene is 1,650,000.
In the present embodiment, the molecular weight of the ethylene-vinyl alcohol copolymer is 180,000.
In the present embodiment, the molar ratio of ethylene and vinyl alcohol is 1:0.55 in the ethylene-vinyl alcohol copolymer.
In the present embodiment, the molecular weight of the isobutyiene-maieic anhydride copolymer is 13.5 ten thousand.
In the present embodiment, the copolymerization ratios of isobutene and maleic anhydride are in the isobutyiene-maieic anhydride copolymer
1:0.46.
In the present embodiment, the ratio between area of section of the internal layer and outer layer is 1:0.62.
In the present embodiment, the fineness of the high-strength light fiber of the luggage is 4d.
In the present embodiment, the preparation method of the high-strength light fiber of the luggage, including the following steps:
A, each raw material for weighing internal layer and outer layer respectively by weight, by internal layer and the uniformly mixing respectively of outer layer raw material, so
After dried, until the moisture content of each raw material of internal layer and outer layer is below 3 ‰；
B, the internal layer raw material after mixing drying is sent into single screw extrusion machine and is melt into internal layer blend melt；
C, the outer layer raw material after mixing drying is sent into double screw extruder and is melt into outer layer blend melt；
D, internal layer blend melt and outer layer blend melt, into composite spinning machine, after melt distributes, from composite spinneret
Middle ejection forms the strand with internal layer and layer structure, then through quenching, oil, wind, stretch, thermal finalization, volume
Bent, cutting, obtains the high-strength light fiber of the luggage.
The high-strength light of the luggage obtained below to the embodiment of the present invention 2 to embodiment 4, comparative example 1 to comparative example 5 is fine
Dimension and common nylon fiber (fineness 4d) are tested for the property, and test result is as shown in table 1:
Wherein, saturated water absorption:
First the drying 12 hours of 120 DEG C of fiber sample electricity consumption vacuum drying oven, it is put into natural cooling 2 hours, In in drier
About 10g sample is weighed respectively be put into 98.5 DEG C of water-baths and keep the temperature 2 hours, impregnated 15 minutes with cold pure water afterwards, take out aqueous fibre
Dimension first uses filter-cloth filtering, then wipes surface moisture content with cotton again, finally dries weighing again with filter paper.
Saturated water absorption=(fiber wet weight-fiber dry weight)/fiber dry weight × 100%.
Table 1
As can be seen from the above table, the high-strength light fiber of luggage of the invention has the advantage that density is small, quality
Gently；The high and biggish elongation of tensile strength, load effect is good, and toughness is good；Saturation moisture absorption is high, washs compared to common
Synthetic fibre fiber has water suction and drainage rates faster.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (10)
1. a kind of high-strength light fiber of luggage, which is characterized in that including internal layer and outer layer；The section of the internal layer is in triangle
Shape, the external sheath is in the periphery of internal layer, and the cross section profile of the outer layer is rounded；The internal layer is by including following weight
The raw material of part is made: 300~370 parts of poly- (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine), isobutyiene-maieic anhydride copolymer
67~82 parts, 1.2~1.8 parts of p-toluene sulfonylsemicarbazide；
The outer layer is by including that the raw material of following parts by weight is made: 300~360 parts of ultra-high molecular weight polyethylene, ethylene-vinyl alcohol
95~114 parts of copolymer.
2. the high-strength light fiber of luggage according to claim 1, which is characterized in that the internal layer is by including following heavy
The raw material of amount part is made: 335 parts of poly- (epsilon-caprolactams/paraphenylene terephthalamide's decamethylene diamine), isobutyiene-maieic anhydride copolymer 69.5
Part, 1.55 parts of p-toluene sulfonylsemicarbazide；The outer layer is by including that the raw material of following parts by weight is made: ultra-high molecular weight polyethylene
330 parts, 104.5 parts of ethylene-vinyl alcohol copolymer.
3. the high-strength light fiber of luggage according to claim 1, which is characterized in that the ultra-high molecular weight polyethylene
Molecular weight be 155~1,750,000.
4. the high-strength light fiber of luggage according to claim 1, which is characterized in that the ethylene vinyl alcohol copolymer
The molecular weight of object is 16.5~19.5 ten thousand.
5. the high-strength light fiber of luggage according to claim 1, which is characterized in that the ethylene vinyl alcohol copolymer
The molar ratio of ethylene and vinyl alcohol is 1:0.52~0.57 in object.
6. the high-strength light fiber of luggage according to claim 1, which is characterized in that the isobutyiene-maieic anhydride
The molecular weight of copolymer is 12~150,000.
7. the high-strength light fiber of luggage according to claim 1, which is characterized in that the isobutyiene-maieic anhydride
The copolymerization ratios of isobutene and maleic anhydride are 1:0.42~0.48 in copolymer.
8. the high-strength light fiber of luggage according to claim 1, which is characterized in that the section of the internal layer and outer layer
Area ratio is 1:0.55~0.65.
9. the high-strength light fiber of luggage according to claim 1, which is characterized in that the high-strength light of the luggage
The fineness of fiber is 2~5d.
10. a kind of preparation method of the high-strength light fiber of luggage as described in any one of claim 1 to 9, feature exist
In, including the following steps:
A, each raw material for weighing internal layer and outer layer respectively by weight, the uniformly mixing respectively by internal layer and outer layer raw material, then into
Row drying, until the moisture content of each raw material of internal layer and outer layer is below 3 ‰；
B, the internal layer raw material after mixing drying is sent into single screw extrusion machine and is melt into internal layer blend melt；
C, the outer layer raw material after mixing drying is sent into double screw extruder and is melt into outer layer blend melt；
D, internal layer blend melt and outer layer blend melt after melt distributes, are sprayed into composite spinning machine from composite spinneret
Out, form the strand with internal layer and layer structure, then through quenching, oil, wind, stretch, thermal finalization, crimp, cut
It is disconnected, obtain the high-strength light fiber of the luggage.
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| CN1209179A (en) * | 1995-12-21 | 1999-02-24 | 金伯利-克拉克环球有限公司 | Nonwoven laminates with improved peel strength |
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Application publication date: 20191108 |