CN103806155B - A kind of manufacture method of high-performance composite yarn - Google Patents
A kind of manufacture method of high-performance composite yarn Download PDFInfo
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- CN103806155B CN103806155B CN201410021165.7A CN201410021165A CN103806155B CN 103806155 B CN103806155 B CN 103806155B CN 201410021165 A CN201410021165 A CN 201410021165A CN 103806155 B CN103806155 B CN 103806155B
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Abstract
The present invention relates to a kind of preparation method of high-performance composite yarn, belong to specialty yarn preparing technical field.Three steps are prepared including heart yarn spinning, bag yarn spinning and composite yarn, wherein, bag yarn is made up of matrix fiber, the matrix fiber is polypropylene fibre, heart yarn is made up of matrix fiber with reinforcing fiber, and the reinforcing fiber is the mixture of one or more in basalt fibre, glass fibre, aramid fiber or polyethylene.The high-performance composite yarn obtained using preparation method of the present invention, overcomes the not good defect of Single Fiber mechanical property, and composite yarn surface is smooth, filoplume is less, the advantage of each component fiber can be given full play to, is made up for each other's deficiencies and learn from each other between making fiber, assign the excellent properties not available for Single Fiber.
Description
Technical field
The present invention relates to a kind of manufacture method of high-performance composite yarn, belong to specialty yarn preparing technical field.
Background technology
With the progress of science and technology, fabrics for industrial use new material is constantly presented development trend, purposes also constantly to
Multiple fields extend.The development of science and technology has promoted the renewal and progress of material, and new material is the pass for developing high-tech area
Key.Especially in field of textiles, the requirement to material increasingly causes the concern of people.
Recombination line is obtained two-dimentional or three-dimensional, unidirectional or multidirectional weaving prefabricated component by woven, knitting or knitting skill,
High performance sandwich can be obtained, while thermoplastic fibre is compound in the yarn, later stage making thermoplastic is answered
Structural material is closed, with high tenacity and impact resistance is good, the ability of anti-chemistry and environmental corrosion is strong, and production efficiency is high, can
To carry out secondary operation, realize repeating processing regenerated utilization.Polypropylene fibre based thermoplastic sandwich both has good mechanics
Performance and excellent impact strength, but with light weight, low cost, moulding process it is simple and recyclable, beneficial to environmental protection etc.
Advantage, can preferably solve performance, environmental protection and price problem that current sandwich is present, before development well
Scape.But the composite yarn of routine is typically with and is combined with mode, the yarn cohesion that this mode is obtained is poor, easily
Dispersion, morning fluffing, fracture influence the appearance property of product and follow-up weave.
The content of the invention
In order to overcome the existing present situation that composite yarn cohesive force is poor, mechanical performance is not good, the present invention to be to provide a kind of embracing first
With joint efforts, the high-performance composite yarn that structure is compacted.
To achieve the above object, the technical scheme that the present invention takes is as follows：
High-performance composite yarn, includes sth. made by twisting bag yarn and non-twist heart yarn, and bag yarn is wrapped in heart yarn outer layer in the non-twist and mode of closing,
The ratio of heart yarn and bag yarn is（2-6）:（8-4）.
Further, as preferred：
Described bag yarn is made up of matrix fiber, and heart yarn is made up of matrix fiber with reinforcing fiber.
Described matrix fiber is polypropylene fibre, and line density is 0.5-1.5dtex, and fracture strength is 3.5-4cN/dtex, fracture
Elongation is 25-40%；Reinforcing fiber is basalt fibre, glass fibre, aramid fiber or polyethylene, and the line density of reinforcing fiber is
600-850tex, tensile strength is 550-750MPa, and elongation strain is 1.5-2.5%.
There is nexus on described composite yarn, the nexus is consistent with the twist on bag yarn, for strengthening the solidifying of composite yarn
Poly- power.
Secondly, present invention also offers a kind of preparation method of the high-performance composite yarn for possessing features described above.
A kind of preparation method of high-performance composite yarn, comprises the following steps：
（1）Heart yarn is spinned：Part of matrix fiber and reinforcing fiber are mixed in proportion, non-twist heart yarn is formed；
（2）Bag yarn is spinned：Twisting treatment is carried out to remainder matrix fiber, sth. made by twisting bag yarn is formed with；
（3）It is prepared by composite yarn：By step（1）The non-twist heart yarn of gained and step（2）Gained have sth. made by twisting bag yarn carry out bag yarn, formed
Outer layer bag yarn, the composite yarn of internal layer heart yarn.
Further, as preferred：
Step（1）In, the ratio that mixes of matrix fiber and reinforcing fiber is（3-7）:（7-3）, it is nothing to mix concrete mode
Twist with the fingers and close, uniformly mix.
Step（2）In have the twist for twisting with the fingers bag yarn for 40-100 sth. made by twisting/10cm, can be that Z-type or S types are twisted with the fingers.
Step（3）Middle bag yarn is non-twist and closes, and in the form of jet network, is acted on using jet-stream wind, controls jet
Pressure, two kinds of monofilament are entangled to each other, form periodic network point.Preferably, whiff pressure is 0.2-0.5MPa, upper machine
Power 0.27N.
Wherein, matrix fiber is polypropylene fibre, and line density is 0.5-1.5dtex, and fracture strength is 3.5-4cN/dtex, and fracture is stretched
Rate long is 25-40%；Reinforcing fiber is the mixing of one or more in basalt fibre, glass fibre, aramid fiber or polyethylene,
Matrix fiber is divided into two parts, and a part is used to form heart yarn together with reinforcing fiber, and another part forms bag yarn.
The preparation of high-performance composite yarn is carried out using above-mentioned technical proposal, is had the advantages that：
1. bag yarn is carried out in the form of jet network, is acted on using jet-stream wind, two kinds of monofilament are entangled to each other, will
What is prepared has sth. made by twisting bag yarn compound with non-twist heart yarn, and preparation process is simple is easy to operate, overcomes Single Fiber mechanical property not
Good defect, bag yarn density is low, intensity is high, strong stretching property is good, and the reinforcing fiber in heart yarn has good rigidity and intensity, but
Elastic modelling quantity is low, and bag yarn is smooth with the composite yarn surface that heart yarn is prepared, and filoplume is less, can give full play to each component fiber
Advantage, made up for each other's deficiencies and learn from each other between making fiber, assign Single Fiber not available for excellent properties.
2. fiber hybrid structure mainly have uniformly mix, interlaminar hybrid, interlayer mix, sandwich mixes, combination mixes, compile
Fabric mixes and polytype hybrid composite such as mixes with chopped strand, in above-mentioned technical proposal, matrix fiber and enhancing
The promiscuous mode that fiber is used uniformly mixes for non-twist and close, and gives full play to the advantage of various fibers, realize between fiber it is good and bad mutually
Mend.
3. use in the composite yarn that such scheme is formed, have sth. made by twisting bag yarn outside, including non-twist heart yarn, improve yarn
Weavability.Bag yarn is wrapped over heart yarn outer layer, and internal layer heart yarn is played a protective role, it is to avoid post-production process rubs to fiber
And the damage of composite yarn, improve the manufacturability of yarn.
4. periodic network point, the twist on the nexus and bag yarn are formed on the composite yarn that heart yarn and bag yarn are formed
（Twist with the fingers spacing）Consistent, nexus and twist collective effect play the effect of enhancing composite yarn cohesiveness and cohesive force, are conducive to
Strengthen the overall mechanical properties of composite yarn, composite yarn surface is smooth, and filoplume is few.
With polypropylene fibre as matrix fiber, basalt fibre, glass fibre etc. are reinforcing fiber to the present invention, are mixed by different
Ratio and promiscuous mode, obtain the high-performance composite yarn with said structure feature, overcome the shortcoming of Single Fiber, play association
Same effect, strengthens the mechanical property and exterior quality of network combined line；In the form of jet network, made using jet-stream wind
With, two kinds of monofilament are entangled to each other, periodic network point is formed, preparation process is simple is easy to operate；Make two in network combined line
Planting fibre fractionation has different mass ratioes, realizes that the quality between fiber is complementary, so as to be shown beneficial to recombination line different
Mechanical property and appearance characteristics, are adapted to various occasion practical applications.
Brief description of the drawings
Fig. 1 is the structural representation of high-performance composite yarn prepared by the present invention；
Fig. 2 is preparation principle schematic diagram of the invention；
Fig. 3 is the enlarged diagram at A positions in Fig. 2.
Label in figure：1. bag yarn；2. heart yarn；3. nexus；4. bobbin；5. tensioner；6. roller；7. guide
Hook；8. thread tube；9. hollow spindle；10. envelope curve pipe；11. twisting hooks；12. delivery rollers；13. lever jacks；14. grooves
Cylinder；15. fancy spools.
Wherein, have filling is reinforcing fiber, and packless is matrix fiber.
Specific embodiment
Embodiment 1
The present embodiment high-performance composite yarn, with reference to Fig. 1, includes sth. made by twisting bag yarn 1 and non-twist heart yarn 2, and bag yarn 1 is with non-twist and close
Mode is wrapped in the outer layer of heart yarn 2, there is nexus 3 on composite yarn, the twist on the nexus 3 and bag yarn 1（Sth. made by twisting spacing in Fig. 1
d）Unanimously, for strengthening the cohesiveness of composite yarn.Wherein, reinforcing fiber is basalt fibre, and fineness is 330tex；Matrix fiber
It is polypropylene fibre, fineness is 100tex；Reinforcing fiber is 3.3 with the mass ratio of matrix fiber：1.It is fibre untwisted by two kinds and close, its
In：
（1）The matrix fiber of 0.3 mass parts is mixed with the reinforcing fiber of 3.3 mass parts, promiscuous mode is non-twist
And close, uniformly mix, form non-twist heart yarn；
（2）Remaining 0.7 part matrix fiber is twisted, sth. made by twisting bag yarn is formed with, the twist of bag yarn is 40 sth. made by twisting/10cm,
Twist with the fingers to being Z-type；
（3）Using the processing method of jet network, whiff pressure is controlled for 0.36MPa, warp tension 0.27N, by two kinds
Monofilament is entangled to each other, is formed with the basalt/polypropylene fibre high-performance recombination line of periodic network point.
Specifically, with reference to Fig. 2,（3.3 parts）Basalt fibre/（0.3 part）Polypropylene fibre mixes yarn as heart yarn 2 from bobbin
Unwind out on 4, by spring leaf tensioner 5, spring leaf tensioner 5 makes heart yarn feed even tension, and heart yarn is again by conveying
The roller 6 and twizzle 7 of heart yarn, hollow spindle 9 is imported by thread tube 8（The detailed construction of importing process is referring to Fig. 3）, envelope curve pipe
On 10（0.7 part）Polypropylene fibre bag yarn 1 brings hollow spindle 9 into together with heart yarn 2, and envelope curve pipe 10 and hollow spindle 9 are rotated together, bag
The circle circle of yarn 1 one is wrapped in the outside of heart yarn 2, and after bag yarn 1 and heart yarn 2 enter hollow spindle 9, the twist on bag yarn 1 produces both
False twisting, after by twisting hook 11, false twisting is decorporated, and due to the rotation of hollow spindle 9, heart yarn 2 does not form any twist, and wraps
Yarn 1 forms true sth. made by twisting and is wrapped over the outside of heart yarn 2, and delivery roller 12 and lever jack 13 are passed through from twisting hook 11 covering yarn out, by
On fancy spool 15, what is obtained is exactly high-performance composite yarn of the invention to groove drum 14.
Using the high-performance composite yarn of said structure, complex yarn density is 800-2000tex, and tensile strength then can reach
25-50MPa, its advantage is as follows：
1. bag yarn is carried out in the form of jet network, is acted on using jet-stream wind, two kinds of monofilament are entangled to each other, will
What is prepared has sth. made by twisting bag yarn compound with non-twist heart yarn, and preparation process is simple is easy to operate, overcomes Single Fiber mechanical property not
Good defect, the density of bag yarn 1 is low, intensity is high, strong stretching property is good, and the reinforcing fiber in heart yarn 2 has good rigidity and intensity,
But elastic modelling quantity is low, bag yarn 1 is smooth with the composite yarn surface that heart yarn 2 is prepared, and filoplume is less, can give full play to each component
The advantage of fiber, makes up for each other's deficiencies and learn from each other between making fiber, assigns the excellent properties not available for Single Fiber.
2. fiber hybrid structure mainly have uniformly mix, interlaminar hybrid, interlayer mix, sandwich mixes, combination mixes, compile
Fabric mixes and polytype hybrid composite such as mixes with chopped strand, in above-mentioned technical proposal, matrix fiber and enhancing
The promiscuous mode that fiber is used uniformly mixes for non-twist and close, and gives full play to the advantage of various fibers, realize between fiber it is good and bad mutually
Mend.
3. use in the composite yarn that such scheme is formed, have sth. made by twisting bag yarn 1 outside, including non-twist heart yarn 2, improve yarn
Weavability.Bag yarn 1 is wrapped over the outer layer of heart yarn 2, and internal layer heart yarn 2 is played a protective role, it is to avoid post-production process rubs
Damage to fiber and composite yarn, improves the manufacturability of yarn.
4. periodic network point 3 is formed on the composite yarn that heart yarn 2 and bag yarn 1 are formed, on the nexus 3 and bag yarn 1
The twist（Sth. made by twisting spacing d in Fig. 1）Consistent, nexus 3 and twist collective effect play enhancing composite yarn cohesiveness and cohesive force
Effect, be conducive to strengthening the overall mechanical properties of composite yarn, composite yarn surface is smooth, and filoplume is few.
With polypropylene fibre as matrix fiber, basalt fibre is reinforcing fiber to the present invention, is mixed ratio and is mixed by different
Mode, acquisition line density is 800-2000tex, the high-performance composite yarn of tensile strength 25-50MPa, overcomes Single Fiber
Shortcoming, plays synergy, strengthens the mechanical property and exterior quality of network combined line；In the form of jet network, utilize
Jet-stream wind is acted on, and two kinds of monofilament are entangled to each other, forms periodic network point, and preparation process is simple is easy to operate；Make network
Two kinds of fibre fractionations have different mass ratioes in recombination line, realize that the quality between fiber is complementary, so as to be beneficial to recombination line table
Reveal different mechanical properties and appearance characteristics, be adapted to various occasion practical applications.By changing basalt fibre in recombination line
With the fineness of polypropylene fibre, can also obtain different quality than the network combined line of basalt/polypropylene fibre, show different mechanical properties and
Appearance characteristics, adapt to different occasion practical applications.
Embodiment 2
In composite yarn manufactured in the present embodiment, bag yarn 1 is that polypropylene fibre, i.e. matrix fiber are polypropylene fibre, and the fineness of polypropylene fiber is
100tex, reinforcing fiber is glass fibre, and the fineness of glass fibre is 270tex, and glass fibre is 2.7 with the mass ratio of polypropylene fibre:
1, it is fibre untwisted by two kinds and close, wherein：
（1）The matrix fiber of 0.25 mass parts is mixed with the reinforcing fiber of 2.7 mass parts, promiscuous mode is non-twist
And close, uniformly mix, form non-twist heart yarn；
（2）Remaining 0.75 part matrix fiber is twisted, sth. made by twisting bag yarn is formed with, the twist of bag yarn is 50 sth. made by twisting/10cm,
Twist with the fingers to being Z-type；
（3）Using the processing method of jet network, control whiff pressure for 0.24MPa, warp tension is 0.27N, by two
Plant monofilament entangled to each other, be formed with the glass/polypropylene fibre high-performance recombination line of periodic network point.
Its process principle is same as Example 1（Participate in Fig. 2 and Fig. 3）
With polypropylene fibre as matrix fiber, glass fibre is reinforcing fiber to the present invention, and ratio and the side of mixing are mixed by different
Formula, acquisition line density is 800-2000tex, the high-performance composite yarn of tensile strength 25-50MPa, overcomes lacking for Single Fiber
Point, plays synergy, strengthens the mechanical property and exterior quality of network combined line；In the form of jet network, using spray
Airflow function is penetrated, two kinds of monofilament are entangled to each other, periodic network point is formed, preparation process is simple is easy to operate；Answer network
Two kinds of fibre fractionations have different mass ratioes in zygonema, realize that the quality between fiber is complementary, so that beneficial to recombination line performance
Go out different mechanical properties and appearance characteristics, be adapted to various occasion practical applications.By changing glass fibre and third in recombination line
The fineness of synthetic fibre, can also obtain different quality than the network combined line of glass/polypropylene fibre, show different mechanical property and outward appearance be special
Property, adapt to different occasion practical applications.
Above content be combine that the preferred embodiment of the present invention made to provided technical scheme further specifically
It is bright, it is impossible to assert that present invention specific implementation is confined to above-mentioned these explanations, for the common skill of the technical field of the invention
For art personnel, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, should be all considered as
Belong to protection scope of the present invention.
Claims (2)
1. high-performance composite yarn, it is characterised in that：Sth. made by twisting bag yarn and non-twist heart yarn are included, bag yarn is wrapped in the non-twist and mode of closing
The ratio of heart yarn outer layer, heart yarn and bag yarn is（2-6）:（8-4）；
Described bag yarn is made up of matrix fiber, and heart yarn is made up of matrix fiber with reinforcing fiber；
There is nexus on described composite yarn, the nexus is consistent with the twist on bag yarn, the cohesiveness for strengthening composite yarn；
Described matrix fiber is polypropylene fibre, and line density is 0.5-1.5dtex, and fracture strength is 3.5-4cN/dtex, extension at break
Rate is 25-40%；Reinforcing fiber is one or more in basalt fibre, glass fibre, aramid fiber or polyethylene；
The preparation of the heart yarn is：Part of matrix fiber and reinforcing fiber are mixed in proportion, non-twist heart yarn is formed；Matrix
The ratio that mixes of fiber and reinforcing fiber is（3-7）:（7-3）, mix concrete mode and be non-twist and close, uniformly mix；
The spinning of the bag yarn：Twisting treatment is carried out to remainder matrix fiber, sth. made by twisting bag yarn is formed with, there is the twist for twisting with the fingers bag yarn
It is 40-100 sth. made by twisting/10cm, is that Z-type or S types are twisted with the fingers；
It is prepared by the composite yarn：There is the sth. made by twisting bag yarn to carry out bag yarn the non-twist heart yarn of gained and gained, form outer layer bag yarn, internal layer heart yarn
Composite yarn；Bag yarn is non-twist and closes, and in the form of jet network, is acted on using jet-stream wind, whiff pressure is controlled, by two
Plant monofilament entangled to each other, form periodic network point.
2. a kind of high-performance composite yarn as claimed in claim 1, it is characterised in that：Described whiff pressure is 0.2-
0.5MPa, the tension force 0.27N during entanglement on yarn.
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| CN104131392A (en) * | 2014-06-27 | 2014-11-05 | 中原工学院 | Basalt fiber chenille woven fabric |
| CN104109924A (en) * | 2014-06-27 | 2014-10-22 | 中原工学院 | Basalt fiber chenille yarn |
| CN105274699A (en) * | 2014-06-27 | 2016-01-27 | 中原工学院 | Basalt fiber chenille circular weaving machine weaving filter bag |
| CN104088054B (en) * | 2014-07-04 | 2016-07-06 | 浙江理工大学 | A kind of preparation method of behavior of polypropylene composites high-performance recombination line |
| CN104178862A (en) * | 2014-07-15 | 2014-12-03 | 张荣祝 | Superfine denier basalt fiber product and production technology thereof |
| CN104790081B (en) * | 2015-04-14 | 2017-03-22 | 上海方纶新材料科技有限公司 | Composite cord for tire |
| CN105002617B (en) * | 2015-06-08 | 2017-07-07 | 东台市华阳玻纤有限责任公司 | A kind of preparation method of the sealing woven base material for food processing machinery |
| CN105088452A (en) * | 2015-06-16 | 2015-11-25 | 长兴虹波纺织有限公司 | Terylene composite fiber and preparation method thereof |
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Effective date of registration: 20201119 Address after: 215228, No. two, No. 1188, West Ring Road, Shengze Town, Wujiang District, Jiangsu, Suzhou Patentee after: Suzhou Shengze science and Technology Pioneer Park Development Co.,Ltd. Address before: Keqiao District of Zhejiang city in Shaoxing province 312000 Xialv town is Wang Zheng village quay Patentee before: SHAOXING SUPER SPECIAL SYNTHETIC FIBRE Co.,Ltd. |
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