CN107313124A - Ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre and its manufacture method - Google Patents
Ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre and its manufacture method Download PDFInfo
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- 239000000835 fiber Substances 0.000 title claims abstract description 106
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 title claims abstract description 51
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 title claims abstract description 51
- 239000002131 composite material Substances 0.000 title claims abstract description 44
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000004698 Polyethylene Substances 0.000 claims abstract description 17
- -1 polyethylene Polymers 0.000 claims abstract description 17
- 229920000573 polyethylene Polymers 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- 238000009987 spinning Methods 0.000 claims description 51
- 239000003365 glass fiber Substances 0.000 claims description 17
- 230000008961 swelling Effects 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 5
- 229920002748 Basalt fiber Polymers 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 2
- 229940126639 Compound 33 Drugs 0.000 claims 1
- PNUZDKCDAWUEGK-CYZMBNFOSA-N Sitafloxacin Chemical compound C([C@H]1N)N(C=2C(=C3C(C(C(C(O)=O)=CN3[C@H]3[C@H](C3)F)=O)=CC=2F)Cl)CC11CC1 PNUZDKCDAWUEGK-CYZMBNFOSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 11
- 239000000945 filler Substances 0.000 abstract description 2
- 239000012783 reinforcing fiber Substances 0.000 abstract description 2
- 238000005520 cutting process Methods 0.000 description 24
- 239000000243 solution Substances 0.000 description 16
- 238000000605 extraction Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 229920006231 aramid fiber Polymers 0.000 description 4
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
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- 230000007423 decrease Effects 0.000 description 3
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
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- 239000004677 Nylon Substances 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- 239000003463 adsorbent Substances 0.000 description 1
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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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/04—Dry spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses the ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of one kind and its manufacture method, modified filler is used as using the ultrashort fibre with enhancing effect, added in superhigh molecular weight polyethylene fibers production process, prepare a kind of long with service life, intensity, modulus are high, the small composite fibre of creep, ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of the invention applies also for field of compound material, such as builds reinforcing fiber materials, lightweight bulletproof material.
Description
Technical field
Answered the present invention relates to the short fine enhancing composite fibre of one kind, more particularly to a kind of short fine enhancing ultra-high molecular weight polyethylene
Condensating fiber and preparation method.
Background technology
Since 21 century, Material Field is developed rapidly, emerged in large numbers it is a collection of cause the new material of industry transformation, wherein making
Metal material in multiple fields has been instead of for carbon fiber, aramid fiber, the superhigh molecular weight polyethylene fibers of three big high performance materials
Material, high performance fibre material has the features such as intensity is high, rigidity is big, chemical stability is good.
Wherein, superhigh molecular weight polyethylene fibers are easy to get due to raw material, advantage of lower cost, industrialization production more than ten
Year and be used widely in each field.Superhigh molecular weight polyethylene fibers have high-orientation, high-crystallinity, the stretching of fento edge
The characteristics of direction arranged regular degree high structure.Especially with its excellent in mechanical performance, axial tensile strength is very high, and specific strength is
Highest in existing high-performance fiber；And density is only the 1/2 of 2/3 and high-modules carbon fibre of aramid fiber；, in medium, such as
There is excellent moisture resistance and resist chemical performance in the solution such as water, oil, strong acid and highly basic, broken aramid fiber, carbon fiber
Monopoly position, and gradually substitution aramid fiber, carbon fiber multiple fields application, available for military equipment goods and materials, machine-building, thin
Plate processing, glass-cutting, Seiko polishing, forging are carried, butcher segmentation, fire-fighting and rescue, field protection, cutter production, papermaking, boat
Fortune, fishery, offshore industry rope, cable, fishing net, the field such as mountaineering rope；And in automobile, Aero-Space, national defence weapons etc.
Field, has played increasing effect.
In recent years, superhigh molecular weight polyethylene fibers are mainly used to weave anti-cutting, Anti-prick clothes and gloves, cable on a large scale
Rope, mountaineering rope etc..With going deep into for suitable application area, the defect under some use conditions is also gradually exposed.When superelevation point
When sub- weight polyethylene fiber is used for weaving anti-cutting articles for use, after certain time, there is damaged, protective in primary protection position
It can decline, when being continuing with, it is easy to which occurring serious damage causes human body to be injured by sharp weapon.Its basic reason is to provide mainly
The superhigh molecular weight polyethylene fibers modulus of anti-cutting effect is not enough, is produced using the anti-cutting index decreased of rear abrading section
's.
When superhigh molecular weight polyethylene fibers are used for braided cable, especially as mooring cable in use, ship is long-term
Harbour or maritime affairs job platform are rested in, mooring cable plays the effect of key, as seawater flows, ship for the stabilization of hull
The pulling force of slight mobile generation also should not be underestimated, especially when the tonnage of ship is heavier or during loading, the power that mooring cable is born
It is continuous and constantly change.When berthing time long enough, ultra-high molecular weight polyethylene raw material hawser occurs certain
Creep elongation, and expendable during the elongation of this part, creep makes hawser integrate performance to decline, especially to be connected with metal
The hydraulic performance decline at place is most fast.The generation of creep is simple mainly due to the orderly macromolecular structure of fiber height, lacks polar group
Group, molecule interchain force is weaker, the sliding that strand occurs during long-term use, as superhigh molecular weight polyethylene fibers are in peace
Full protection field widespread adoption, the problem of being produced due to itself molecular structure particularity is more and more, is allowed to possess excellent
The factor of performance turns on the contrary restricts the drawbacks of fiber is further applied, especially with the anti-cutting characteristic underflow of protective article, rope
Based article creep is seriously protruded the most, and therefore, the problem of solving this class is particularly important.
The content of the invention
In view of the shortcomings of the prior art, the invention provides the ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of one kind
And its manufacture method, using the ultrashort fibre with enhancing effect as modified filler, added to superhigh molecular weight polyethylene fibers
In production process, a kind of long with service life, intensity, modulus height are prepared, the small composite fibre of creep is made to solve anti-cutting
The problems such as moral character energy is not enough, rope creep is serious.
In order to solve the above problems, the invention provides the ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of one kind,
Include ultrashort fine and ultra-high molecular weight polyethylene, the mass ratio of the ultrashort fine and ultra-high molecular weight polyethylene is 3：97 to 5：
97。
Further improvement is that：It is described ultrashort fine for the ultrashort fine or ultrashort fibre of basalt fibre of glass fibre.
Further improvement is that：The molecular weight control of the ultra-high molecular weight polyethylene powder raw material is spun in 400-600 ten thousand
The solid content of silk liquid is controlled below 10%, and wherein solid constituent not only includes ultra-high molecular weight polyethylene, further comprises as enhancing
Mutually obtain ultrashort fine, the ultrashort fibre of basalt fibre of ultrashort fibre, i.e. glass fibre.
Further improvement is that：The ultrashort fine percentage by weight is 3% ~ 5%.
Further improvement is that：33 ~ 1776dtex of line density of the composite fibre, 50 ~ 150N of ultimate strength, fracture are strong
Spend 30 ~ 35cN/dtex, 13 ~ 18mm of extension at break, elongation at break 2.8 ~ 4.2%, 770 ~ 1340cN/dtex of rupture modulus, just
Beginning 0.3 ~ 6.2cN/dtex of modulus.
A kind of manufacture method of ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre, first by ultrashort fine and spin solvent
White oil is configured to the mixed liquor that mass percent is 6.67%, continuously stirs and is uniformly dispersed；Ultra-high molecular weight polyethylene powder is with spinning
Spinning swelling solution is made according to the 9.5% of percetage by weight in silk dissolvant white oil, then by ultrashort fine mixed liquor with spinning swelling solution double
Screw extruder arrival end injects simultaneously, and the flow for controlling ultrashort fine mixed liquor is 12.18 kg/h, and spinning is swelled flow quantity and is
171.05 kg/h, it is 3 to make the ultrashort fine mass ratio with ultra-high molecular weight polyethylene：97 to 5：97, by spinneret system, each
Spinning head is divided into uniform four bundle fiber, obtains containing ultrashort fine as-spun fibre, as-spun fibre balance at room temperature standing 36 ~
After 48h, extracted with extractant, 15min is then dried at 40 DEG C, finally carried out in seven roller drafting machine heater boxes at 140 DEG C
Hot-stretch, draw ratio maintains 40-45, obtains the ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of glass fibre.
The beneficial effects of the invention are as follows：Method of the present invention uses ultrashort fine enhanced method, improves fibre
Anti- cutting performance and improvement creep, the composite fibre of preparation improve fiber on the basis of original high intensity, high-modulus
Ess-strain performance, cutting performance is significantly improved；Creep caused by strand easy glide is effectively improved, by using property
It can determine and find, ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of the present invention applies also for composite neck
Domain, such as builds reinforcing fiber materials, lightweight bulletproof material.
Embodiment
In order to deepen the understanding of the present invention, the present invention is further described below in conjunction with embodiment, the present embodiment
It is only used for explaining the present invention, is not intended to limit the scope of the present invention..
Embodiment one
The ultrashort fine and spinning dissolvant white oil of glass fibre is configured to the mixed liquor that mass percent is 6.67%, continuously stirs scattered
Uniformly；Spinning swelling solution is made according to the 9.5% of percetage by weight with spinning dissolvant white oil in ultra-high molecular weight polyethylene powder；Will
Ultrashort fine mixed liquor injects simultaneously with spinning swelling solution in double screw extruder arrival end, and the flow for controlling ultrashort fine mixed liquor is
12.18 kg/h, spinning is swelled flow quantity for 171.05 kg/h, and it is 5 to make the ultrashort fine mass ratio with ultra-high molecular weight polyethylene:
97, by spinneret system, each spinning head is divided into uniform four bundle fiber, obtains containing ultrashort fine as-spun fibre；Nascent fibre
Balance is stood after 36 ~ 48h dimension at room temperature, uses extractant（PRIME103）Extraction, then dries 15min, finally at 40 DEG C
Hot-stretch is carried out at 140 DEG C in seven roller drafting machines-heater box, draw ratio maintains 40, obtain the ultrashort fine enhancing of glass fibre
Ultra-high molecular weight polyethylene composite fibre.
Embodiment two
The ultrashort fine and spinning dissolvant white oil of glass fibre is configured to the mixed liquor that mass percent is 6.67%, continuously stirs scattered
Uniformly；Spinning swelling solution is made according to the 9.5% of percetage by weight with spinning dissolvant white oil in ultra-high molecular weight polyethylene powder；Will
Ultrashort fine mixed liquor injects simultaneously with spinning swelling solution in double screw extruder arrival end, and the flow for controlling ultrashort fine mixed liquor is
12.18 kg/h, spinning is swelled flow quantity for 171.05 kg/h, and it is 5 to make the ultrashort fine mass ratio with ultra-high molecular weight polyethylene:
95, by spinneret system, each spinning head is a branch of, is obtained containing ultrashort fine as-spun fibre；As-spun fibre is put down at room temperature
Weighing apparatus is stood after 36 ~ 48h, uses extractant（PRIME103）Extraction, then at 40 DEG C dry 15min, finally seven roller drafting machines-
Hot-stretch is carried out in heater box at 145 DEG C, draw ratio maintains 42, obtain the ultrashort fine enhancing superhigh molecular weight polyethylene of glass fibre
Alkene composite fibre.
Embodiment three
The ultrashort fine and spinning dissolvant white oil of glass fibre is configured to the mixed liquor that mass percent is 6.67%, continuously stirs scattered
Uniformly；Spinning swelling solution is made according to the 9.5% of percetage by weight with spinning dissolvant white oil in ultra-high molecular weight polyethylene powder；Will
Ultrashort fine mixed liquor injects simultaneously with spinning swelling solution in double screw extruder arrival end, and the flow for controlling ultrashort fine mixed liquor is
12.18 kg/h, spinning is swelled flow quantity for 171.05 kg/h, and it is 5 to make the ultrashort fine mass ratio with ultra-high molecular weight polyethylene:
95, by spinneret system, each two spinning head is a branch of, is obtained containing ultrashort fine as-spun fibre；As-spun fibre is at room temperature
Balance is stood after 36 ~ 48h, uses extractant（PRIME103）Extraction, then dries 15min, finally in seven roller drawing-offs at 44 DEG C
Hot-stretch is carried out in machine-heater box at 148 DEG C, draw ratio maintains 45, obtain the ultrashort fine enhancing super high molecular weight of glass fibre
Polyethylene composite fibre.
Example IV
The ultrashort fine and spinning dissolvant white oil of glass fibre is configured to the mixed liquor that mass percent is 4.00%, continuously stirs scattered
Uniformly；Spinning swelling solution is made according to the 9.5% of percetage by weight with spinning dissolvant white oil in ultra-high molecular weight polyethylene powder；Will
Ultrashort fine mixed liquor injects simultaneously with spinning swelling solution in double screw extruder arrival end, and the flow for controlling ultrashort fine mixed liquor is
12.18 kg/h, spinning is swelled flow quantity for 171.05 kg/h, and it is 3 to make the ultrashort fine mass ratio with ultra-high molecular weight polyethylene:
97, by spinneret system, each spinning head is divided into two bundle fibers, obtains containing ultrashort fine as-spun fibre；As-spun fibre is in room
The lower balance of temperature is stood after 36 ~ 48h, uses extractant（PRIME103）Extraction, then dries 15min, finally in seven rollers at 40 DEG C
Hot-stretch is carried out in drafting machine-heater box at 143 DEG C, draw ratio maintains 40, obtain the ultrashort fine enhancing superelevation point of glass fibre
Sub- weight northylen composite fibre.
Embodiment five
The ultrashort fine and spinning dissolvant white oil of glass fibre is configured to the mixed liquor that mass percent is 5.34%, continuously stirs scattered
Uniformly；Spinning swelling solution is made according to the 9.5% of percetage by weight with spinning dissolvant white oil in ultra-high molecular weight polyethylene powder；Will
Ultrashort fine mixed liquor injects simultaneously with spinning swelling solution in double screw extruder arrival end, and the flow for controlling ultrashort fine mixed liquor is
12.18 kg/h, spinning is swelled flow quantity for 171.05 kg/h, and it is 4 to make the ultrashort fine mass ratio with ultra-high molecular weight polyethylene:
96, by spinneret system, each spinning head is divided into two bundle fibers, obtains containing ultrashort fine as-spun fibre；As-spun fibre is in room
The lower balance of temperature is stood after 36 ~ 48h, uses extractant（PRIME103）Extraction, then dries 15min, finally in seven rollers at 40 DEG C
Hot-stretch is carried out in drafting machine-heater box at 143 DEG C, draw ratio maintains 40, obtain the ultrashort fine enhancing superelevation point of glass fibre
Sub- weight northylen composite fibre.
Embodiment six
The ultrashort fine and spinning dissolvant white oil of glass fibre is configured to the mixed liquor that mass percent is 6.67%, continuously stirs scattered
Uniformly；Spinning swelling solution is made according to the 9.5% of percetage by weight with spinning dissolvant white oil in ultra-high molecular weight polyethylene powder；Will
Ultrashort fine mixed liquor injects simultaneously with spinning swelling solution in double screw extruder arrival end, and the flow for controlling ultrashort fine mixed liquor is
12.18 kg/h, spinning is swelled flow quantity for 171.05 kg/h, and it is 5 to make the ultrashort fine mass ratio with ultra-high molecular weight polyethylene:
95, by spinneret system, each spinning head is divided into two bundle fibers, obtains containing ultrashort fine as-spun fibre；As-spun fibre is in room
The lower balance of temperature is stood after 36 ~ 48h, uses extractant（PRIME103）Extraction, then dries 15min, finally in seven rollers at 40 DEG C
Hot-stretch is carried out in drafting machine-heater box at 143 DEG C, draw ratio 40 obtains the ultrashort fine enhancing super high molecular weight of glass fibre and gathered
Ethene composite fibre.
Embodiment seven
Spinning swelling solution is made according to the 9.5% of percetage by weight with spinning dissolvant white oil in ultra-high molecular weight polyethylene powder；Injection
Double screw extruder, flow control is 171.05 kg/h, and by spinneret system, each spinning head is divided into two bundle fibers, is contained
There is ultrashort fine as-spun fibre；As-spun fibre is balanced after 36 ~ 48h of standing at room temperature, uses extractant（PRIME103）Extraction, so
15min is dried at 40 DEG C afterwards, hot-stretch is finally carried out at 143 DEG C in seven roller drafting machines-heater box, draw ratio 40 is obtained
Superhigh molecular weight polyethylene fibers.
The performance indications of ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre are as follows：
| Performance indications | Embodiment one | Embodiment two | Embodiment three |
| Line density/（dtex） | 123 | 431 | 856.00 |
| Ultimate strength/（N） | 37.99 | 80.93 | 163.52 |
| Fracture strength/（cN/dtex） | 30.89 | 29.44 | 31.09 |
| Extension at break/（mm） | 18.77 | 14.32 | 18.37 |
| Elongation at break/（%） | 3.13 | 2.39 | 2.98 |
| Rupture modulus/（cN/dtex） | 1015.84 | 1026.45 | 1016.61 |
| Initial modulus/（cN/dtex） | 3.18 | 8.56 | 7.07 |
Ultrashort fine percentage by weight is controlled 3% ~ 5%, by formula：" ultrashort fine percentage by weight（%）=（m2/ m1）×100%”
Draw, wherein taking a certain amount of ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre, be denoted as m1, dry for 100 DEG C and claim after 2h
Weight, 450 DEG C of calcination 3h in Muffle furnace weigh residue quality m after cooling using difference assay2。
Prepare the different ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of content：
The dtex of line density 233 of example IV, the N of ultimate strength 70.66, the cN/dtex of fracture strength 30.32, elongation at break
2.36%, the cN/dtex of rupture modulus 1289.79, preset ultrashort fine addition 3%；The dtex of line density 243 of embodiment five, breaks
Split strength 71.84 N, the cN/dtex of fracture strength 30.69, elongation at break 2.52%, the cN/dtex of rupture modulus 1171.61,
Preset ultrashort fine addition 4%；The dtex of line density 214 of embodiment six, the N of ultimate strength 65.69, the cN/ of fracture strength 29.57
Dtex, elongation at break 2.38%, the cN/dtex of rupture modulus 1291.02 presets ultrashort fine addition 5%；The line of embodiment seven
Density 228 dtex, ultimate strength 82.39N, the cN/dtex of fracture strength 32.35, elongation at break 2.82%, rupture modulus
1238.31 cN/dtex, ultrashort fine addition 0.
Actual ultrashort fine content and anti-cutting index are as follows：
| Example IV | Embodiment five | Embodiment six | Embodiment seven | |
| Ultrashort fine default content/% | 3 | 4 | 5 | 0 |
| Ultrashort fine actual content/% | 2.56 | 3.45 | 4.81 | 0 |
| Creep/% under 2000h, 10% ultimate strength | 1.08 | 0.95 | 0.65 | 5.3 |
| The averagely anti-cutting index of textile | 30.3 | 38.4 | 44.6 | 26.9 |
When the ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of the present invention is used as anti-cutting material, superhigh molecular weight polyethylene
Alkene fibrous material is main anti-cutting composition, is aided in other fibrous materials, such as polyamide fibre, spandex, terylene, stainless steel fibre
Deng, by organizational structure design, the anti-cutting wrap yarn of the section opposite sex can be obtained, then anti-cutting wrap yarn is subjected to weaving processing,
Obtained textile has the effect that protection sharp instrument is stabbed, hurt.
Ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of the present invention is except possessing high intensity, high-modulus
Outside performance, its anti-cutting performance is excellent, and fracture strength reaches as high as 35cN/dtex, the cN/dtex of initial modulus highest 6.2, carries
Good anti-cutting performance is supplied.When for weaving anti-cutting protective articles, by anti-cutting wrap yarn on glove knitting machine
It is processed, obtained glove product, according to the anti-cutting index of EN388 standard detection products up to more than 40, far above five
The standard of the anti-cutting index 20 of level standard, in building, electric power, cutting industry in actual use, anti-cutting gloves are made
Product palm part is that emphasis protects position, and service life can extend more than one times, hand can be played a good protection.
Ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of the present invention can be used for braided strands product, described
Hawser product use 1200 ~ 6400D enhancing composite fibre, with following performance indications：
（1）The ultrashort fibre existed inside composite fibre, increases the frictional force of fiber molecule interchain, and resistance external force deformability increases
Greatly, especially by after the 10% of fracture strength external force 2000h, the creep of hawser is reduced to 0.65 ~ 1.08% by original 4 ~ 8%.
（2）Superhigh molecular weight polyethylene fibers have good light fastness in itself, enhanced compound by ultrashort fibre
Its light resistance of fiber is strengthened, by 1500h illumination simulation, and strength retention brings up to more than 87% by original 80%.
（3）When hawser product is made in ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of the present invention, due to
Density is small, and diameter is thin, and the rope diameter under identical ultimate strength is the 3/5 of nylon cable diameter.
（4）The diameter of hawser product is between 30 ~ 120mm, and especially as a diameter of 120mm, ultimate strength is reachable
More than 2000kN.
Ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of the present invention can be used for manufacture setline, described
Setline uses line density for 100 ~ 400D enhancing composite fibre, and the ultimate strength of raw fibre is 50 ~ 150N, be ensure that
The ultimate strength of setline product maintains higher level.Woven by four strands or stereotyped writing, ultimate strength 600 ~ 1200N it
Between, higher than more than 3 times of nylon setline.
Ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of the present invention is used to manufacture fibrous composite, by
In the frictional force that with the addition of the ultrashort fibre in ultrashort fiber material, some embedded fibers and improve fiber surface, with matrix resin knot
During conjunction, the enhancing of polymeric adsorbent ability is improved, single fiber pull-out test intensity improves 20 ~ 27% or so with the adhesive property of matrix resin,
Generally up to more than 125N.
Ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of the present invention can pass through the legal system that tiles as raw material
Into UD plates, the inner core for flak jackets；Or three dimensional fabric composite is made using three dimensional knitting method, available for panzer
Soft ballistic body.
Ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre of the present invention can carry out cutting processing again, as water
Mud reinforcing material, when fiber addition is 0.6 ~ 1.2kg/m3, the compression strength maximum of cement composite material is reachable
61.05MPa。
Claims (6)
1. a kind of ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre, it is characterised in that：Include ultrashort fine and superelevation point
Sub- weight northylen, the mass ratio of the ultrashort fine and ultra-high molecular weight polyethylene is 3：97 to 5：97.
2. ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre as claimed in claim 1, it is characterised in that：It is described ultrashort
Fibre is the ultrashort fine or ultrashort fibre of basalt fibre of glass fibre.
3. ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre as claimed in claim 1, it is characterised in that：The superelevation
The molecular weight of molecular weight polyethylene powder raw material is in 400-600 ten thousand, and the solid content of spinning solution is below 10%.
4. ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre as claimed in claim 1, it is characterised in that：It is described ultrashort
Fine percentage by weight is 3% ~ 5%.
5. ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre as claimed in claim 1, it is characterised in that：It is described compound
33 ~ 1776dtex of line density of fiber, 50 ~ 150N of ultimate strength, 30 ~ 35cN/dtex of fracture strength, 13 ~ 18mm of extension at break,
Elongation at break 2.8 ~ 4.2%, 770 ~ 1340cN/dtex of rupture modulus, 0.3 ~ 6.2cN/dtex of initial modulus.
6. a kind of manufacture method of ultrashort fine enhancing ultra-high molecular weight polyethylene composite fibre, it is characterised in that：First by ultrashort fibre
The mixed liquor that mass percent is 6.67% is configured to spinning dissolvant white oil, continuously stirs and is uniformly dispersed；Superhigh molecular weight polyethylene
Spinning swelling solution is made according to the 9.5% of percetage by weight in alkene powder and spinning dissolvant white oil, then by ultrashort fine mixed liquor and spinning
Swelling solution injects simultaneously in double screw extruder arrival end, and the flow for controlling ultrashort fine mixed liquor is 12.18 kg/h, and spinning is molten
Swollen flow quantity is 171.05 kg/h, and it is 3 to make the ultrashort fine mass ratio with ultra-high molecular weight polyethylene：97 to 5：97, by spinneret
System, each spinning head is divided into uniform four bundle fiber, obtains containing ultrashort fine as-spun fibre, as-spun fibre is put down at room temperature
Weighing apparatus is stood after 36 ~ 48h, is extracted with extractant, 15min is then dried at 40 DEG C, finally 140 in seven roller drafting machine heater boxes
Hot-stretch is carried out at DEG C, draw ratio maintains 40-45, obtain the ultrashort fine compound fibre of enhancing ultra-high molecular weight polyethylene of glass fibre
Dimension.
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| CN115216856A (en) * | 2022-06-09 | 2022-10-21 | 青岛信泰科技有限公司 | A kind of lightweight antistatic ultra-high molecular weight polyethylene staple fiber and preparation method thereof |
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Application publication date: 20171103 |