CN1207145A - Cut resistant yarn fabric - Google Patents

Cut resistant yarn fabric Download PDF

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Publication number
CN1207145A
CN1207145A CN96199548A CN96199548A CN1207145A CN 1207145 A CN1207145 A CN 1207145A CN 96199548 A CN96199548 A CN 96199548A CN 96199548 A CN96199548 A CN 96199548A CN 1207145 A CN1207145 A CN 1207145A
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CN
China
Prior art keywords
yarn
fabric
cutting
twist
line density
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN96199548A
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Chinese (zh)
Other versions
CN1097105C (en
Inventor
L·J·普里克特
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EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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Filing date
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Publication of CN1207145A publication Critical patent/CN1207145A/en
Application granted granted Critical
Publication of CN1097105C publication Critical patent/CN1097105C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44Yarns or threads characterised by the purpose for which they are designed
    • D02G3/442Cut or abrasion resistant yarns or threads
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04Blended or other yarns or threads containing components made from different materials
    • D02G3/047Blended or other yarns or threads containing components made from different materials including aramid fibres

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Gloves (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Woven Fabrics (AREA)

Abstract

A fabric made using a para-aramid yarn is disclosed having increased cut resistance and maintained comfort wherein the yarn has low twist and the staple fibers in the yarn have high linear density.

Description

The yarn and the fabric of anti-cutting
Background of invention
Understandable requirement is used for the fabric of anti-cutting clothes owing to will generally be that rigidity is big and heavy with the high strength yarn of high-modulus.Anti-cutting of past clothes are such as gloves, apron and protective sleeve are to be processed by the rigidity yarn, the fabric that this yarn is made is hard and uncomfortable and feel is coarse, and yarn made improvements the anti-cutting of the fabric that obtains is improved, and the result makes the fabric that obtains harder and more uncomfortable.The present invention relates to the woven fabric and the knitted fabric of anti-cutting, they are keeping quite or are demonstrating the raising that is improved of anti-cutting under the softer feel.
Brief summary of the invention
The present invention relates to the clothes that anti-cutting is improved, it be by line density be 150 to 5900dtex (133 to 5315 dawn) and twist factor for made less than 26 yarn, wherein to include line density be that 3 to 6dtex (3.7 to 5.4 dawn) length is the counterpoint type aramid staple fiber of 2.5 to 15.2 centimetres (1 to 6 inches) to yarn.
The invention still further relates to yarn and thus yarn make have weight be every square metre 135 to 1017 the gram (4 to 30 oz/yd 2) cut resistant fabrics.Describe in detail
Contradictory between comfortableness and validity in the protective clothing field for a long time; And done very big effort and when maintenance is comfortable, improved its validity.The present invention has represented such improvement in anti-cutting clothes and fabric field.Adopt the present invention just can keep the comfortable validity of anti-cutting that improves down of fabric and protective clothing such as anti-cutting gloves.
Have been found that the made protective clothing of yarn that is spun into by the counterpoint type aramid fibre, will be soft if the ratio of twist of yarn is less.In addition, the anti-cutting of having found the fabric of such clothes be with fabric in the twist size of yarn irrelevant, but the anti-cutting of fabric is that the raising with the used filament line density of yarn improves.
The counterpoint type aramid fibre represents that this fiber is made by the counterpoint type aramid polymer; And PPTA (PPD-T) is best counterpoint type aramid polymer.PPD-T represents it is the homopolymers that the gram molecule polymerization is obtained by p-phenylenediamine (PPD) and terephthalyl chloride gram molecule, or, the copolymer that obtains with the terephthalyl chloride that is combined with a small amount of other diacid chloride by the p-phenylenediamine (PPD) that is combined with a small amount of other diamines.Usually, about 10% gram-molecular weight of as many as p-phenylenediamine (PPD) or terephthalyl chloride or slightly high other diamines and other diacid chloride also are can usefulness, as long as other diamines does not have reactive group to disturb mutually with polymerisation with other diacid chloride.PPD-T also represents to be combined with other aromatic diamine and other aromatic dicarboxylic acid chloride, for example 2, the copolymer of 6-naphthoyl chlorine or chlorine or dichloro terephthalyl chloride is not as long as other aromatic diamine and aromatic dicarboxylic acid chloride quantitatively have the opposite effect for the performance of counterpoint type aromatic polyamides.
Also useful additives in the counterpoint type aramid fibre, and other polymeric material of known road as many as 10% (weight) can mix mutually with aromatic polyamides, perhaps can use the copolymer that replaces the diacid chloride in aromatic polyamides by the diamines in as many as 10% other diamines replacement aromatic polyamides or as many as 10% other diacid chloride.
The staple fibre of spinning usefulness generally is that a length-specific and specific line density are arranged.The used fiber of the present invention can be random length, as long as be suitable for spinning processing.The length of staple fibre can be with 2.5 to 15.2 centimetres (1 to 6 inches) length with 3.8 to 11.4 centimetres (1.5 to 4.5 inches) for well.Staple length has known that less than 2.5 centimetres of made yarns needing the very high twist keeps processing intensity; And just more be difficult to make greater than the yarn of 15.2 centimetres of manufacturings by staple length, because can causing mutual entanglement and fracture after having grown, staple length obtains very short fiber.The used staple fibre of the present invention generally is to be cut into certain predetermined length and got by continuous long filament; But staple fibre also can be made such as the crush cutting method by other method; And yarn also can be made by the staple length of such fiber and multiple or different distributions.
The yarn of spinning is to be made it to combine by when spinning twisting.The staple fibre that curls is spinning and form yarn with certain twist on spinning machine, and twisting makes the mutual mat of fiber form yarn.In the past, the cut resistant fabrics that protective clothing is used is used the yarn of high twist in actual applications.It is generally acknowledged that high-intensity yarn is to need to use high twist; And good anti-cutting is to need high strength.Obvolvent in the yarn that forms gets the very tight quite hard yarn that produces thereby high twist makes fiber.
Now found that effective protection does not need the yarn with high twist; And the twist of in fact having known the yarn that anti-cutting is used with making armored fabric is irrelevant.But the twist is a very important factor to the flexibility or the comfortableness of such fabric.Have been found that fabric sofetening that the fabric made with the low twist yarn is made than high-twist yarn Duo and also " feel " much better.In addition, known road reduces the flexibility that the twist can improve fabric, and irrelevant with the material of its used yarn kind or manufacturing.
Twist per unit is represented by the coefficient that is called " twist factor " that generally it also can be called the twist factor.Higher twist factor represents that amount of twist is bigger.Up to now, cut resistant fabrics is greater than 28 (tex) by twist factor preferably in the protective clothing 1/2The yarn of (twist with the fingers/centimetre) is made and be less than or equal to the staple fibre of 2.5dtex with line density.The twist factor of yarn (TF) is the amount of twist that shows fiber in the yarn, considers the line density of yarn, can determine with any of several dimension systems:
Number numeral system
TF=(twist with the fingers/centimetre) (number number) 1/2
English count system
TF=(sth. made by twisting/inch)/(English cotton yarn count) 1/2
Metric count system
TF=(sth. made by twisting/rice)/(the public number of yarn) 1/2
" English cotton yarn count " of yarn is the reeled yarn number of heavy, long 768 meters (840 yards) yarns of 454 grams (1 pound).
" the public number " of yarn is the km number of 1 kilogram of weight yarn.
Concerning this paper, the number of the being number that number numeral system twist factor is used 1/2Twist with the fingers/centimetre SI unit.
Known that in fabric of the present invention twist factor can obtain soft fabric less than about 26 yarn, it can make the comfortable gloves of anti-cutting again.Need some twists in yarn, purpose is for yarn can be kept together, from test shows, and the influence that anti-cutting is not changed by twist per unit.That is, make yarn have added strength can not transfer to improve anti-cutting to increase the twist.Reach a conclusion, actual showing, the due twist factor of yarn of the present invention is at least about 10.10 single English are propped up the yarn of (equaling 590dtex), twist factor be about 10 be converted into the twist for approximately every centimetre 1.3 the sth. made by twisting.It is 15 to 22 that yarn of the present invention preferably has a twist factor.
Yarn is made by staple fibre.Known that it is 150 to 5900dtex that yarn in practical application of the present invention should have a thread density, and be preferably 550 to 4700dtex.Yarn can be formed and can yes or no be twisted together by single or several plying.
For the line density of single fiber, the line density of having found to increase staple fibre can improve the anti-cutting of yarn.In the past, the individual staple fibers that the yarn of anti-cutting protective clothing is used is about 2.5dtex or littler.Though such yarn is suitable for many purposes, the anti-cutting performance of known fabrics is improved with the increase of used staple line density in the yarn.In addition, the comfortableness of known such fabric can be along with the reducing of the twist of the yarn of its usefulness and is maintained.Thus, use the present invention and can make suitable with the known product fabric that anti-cutting and comfortableness are improved that has.For example, the fabric that is improved of anti-cutting can with twist factor less than 26, to contain line density be that the yarn of 3 to 6dtex counterpoint type aramid staple fiber is made.Such fabric can be obtained anti-cutting raising by the increase of fiber linear density and can be kept comfortableness by the minimizing of twist per unit.
From comfort aspect, found low twist yarn of the present invention, should be to be 3 to 6dtex and preferably 4 to 5dtex staple fibre is made by line density.Perhaps can not obtain the anti-cutting of raising of the present invention less than the fiber of about 3dtex.Fiber greater than about 6dtex does not present good anti-cutting, but attractive in appearance and can not get the fabric of suitable comfortableness.
Yarn of the present invention can be processed by any suitable spinning method, for example, and ring spinning and open-end-spinning that cotton/smart wool spinning/coarse wool spins.
The yarn of the present invention spinning has low twist and high line density, and it can make the knitting or woven of high anti-cutting or even the fabric of unidirectional laying.And the yarn of spinning also can directly be made gloves and other clothes by weaving loom.Anti-cutting is the function of filament linear density in the yarn rather than the function of the mode that yarn is presented in fabric. Assay method Anti-cutting,The method that adopts is " being used to measure the standard determination method of protective clothing with the anti-cutting of fabric ", is recommended as ASTM standard (ASTM divide into groups the F23.20 of the committee).When carry out measuring, blade is horizontal under specific power to be pulled through the sample that is attached on the axle once.With several different power, record cuts being pulled through distance and constructing a power and cut the figure that wears distance relation of wearing from beginning to touch.From scheming to determine that to wear distance be 25 millimeters power and got accurate with the conforming basis of cutter as supply cutting.Accurate power got in record, as anti-cutting force.
Blade is stainless blade, long 70 millimeters of the sharp edge of a knife.When measuring beginning and finishing, the blade of supply is calibrated on the neoprene latex calibration materials with the load of 400 grams.Each cutting is measured will be with the new blade of a slice.
Sample is one 50 * 100 millimeters rectangle fabric section, with warp thread and weft direction cutting-out at 45.
Axle is the rod of the conduction of a circle, and its radius is 38 millimeters, with sample with two-sided tape be attached to it above.Blade and the axle longitudinal axis horizontal fabric that is pulled through on the axle that meets at right angles.Cut to wear when contacting and go on record when blade and axle produce energising.
Example Knitted gloves of measuring and fabric
Cutting into staple fibre after the counterpoint type aramid yarn yarn of four kinds of different line densities is curled is used to spin and becomes the test yarns of using for these examples.Filament yarn is the PPTA yarn, be to sell with trade mark Kevlar  29 by E.I.Du Pont Company (E.I.du Pont de Nemours and Company), it be by line density be 1.67,2.50,4.67 and the 6.67dtex long filament make.The length of staple fibre is 11.4 centimetres.
The part of every kind of staple fibre is spun into the yarn of the different twists by smart wool spinning equipment.Double strand yarn is to be spun into line density 590dtex (English props up 20/2), and twist factor is shown in table 1 and table 2.
Sample gloves and sample fabric are to form with these yarn weavings on Shima Seiki glove knitting machine, and withdrawal of needle is 4 and 6.Braided fabric and low count yarn knitted glove average weight that 4 withdrawals of needle obtain are 478 gram/rice 2(14.1 oz/yd 2); And braided fabric and gloves average weight that 6 withdrawals of needle obtain are 783 gram/rice 2(23.1 oz/yd 2). Example 1
The gloves of above-mentioned preparation are used to do anti-cutting and measure with the data that concerns between the staple line density that obtains anti-cutting and fabric parameter and the yarn twist factor.The results are listed in the following table 1 and table 2 of those mensuration, respectively corresponding 6 and 4 fabric.
Table 1 (6 fabrics)Line density → 1.67dtex 2.50dtex 4.67dtex 6.67dtex
The twist ↓ Anti-cutting (kilogram-Li)
14 1.4 1.6 1.8 -
17 1.3 1.6 1.7 1.8
19 1.4 1.5 1.6 1.8
22 1.3 1.4 1.6 1.7
24 1.3 1.5 1.9 2.3
26 1.3 1.4 1.8 1.8
29 1.4 1.5 1.9 2.0
31 1.3 1.4 1.7 1.8
Average 1.3 1.5 1.8 1.9
Table 2 (4 fabrics)Line density → 1.67dtex 2.5dtex 4.67dtex 6.67dtex
The twist ↓ Anti-cutting (kilogram-Li)
14 1.0 1.1 1.2 -
17 1.0 1.1 1.5 1.6
19 1.1 1.2 1.4 1.5
22 1.1 1.2 1.4 1.5
24 0.9 1.2 1.4 1.6
26 1.0 1.0 1.6 1.5
29 1.0 1.2 1.5 1.6
31 1.2 1.1 1.4 1.5
Average 1.0 1.1 1.4 1.5
The anti-cutting data that obtained by this example find out that anti-cutting is definite function of staple line density and relative with the twist irrelevant.Anti-cutting improves significantly with the increase of staple line density, and improves the most remarkable in staple line density greater than the 2.5dtex place. Example 2
6 fabrics of above-mentioned preparation are used to do comfortableness and measure, and wherein 31 fabric samples are with feeling " feel " of determining each sample.Each sample is made thoughts and feelings and flexibility is evaluated by 10 people with the yardstick of 1-5 (1 for the hardest 5 for the softest).Whole evaluations of 10 people are recorded in the following table 3 by mean deviation.
Table 3 line density → 1.67dtex 2.50dtex 4.67dtex 6.67dtexThe twist ↓ Comfortableness evaluation (10 for each person)
14 4.4 4.4 3.2 -
17 4.2 4.4 3.1 2.9
19 4.2 4.0 3.0 2.5
22 3.6 3.5 2.5 2.1
24 3.5 3.5 2.2 2.5
26 3.3 3.2 2.0 1.3
29 3.0 2.4 2.0 1.8
31 2.8 2.0 1.4 1.4
From the comfortableness data of this example as can be known comfortableness be a direct function of twist per unit.Comfortableness is improved significantly when the twist reduces.As previously described, the general used fabric of the commercial gloves that provide be line density less than the staple fibre of about 2.5dtex and preferably twist factor be made greater than 28 yarn.Can understand that from table 3 comfortableness that such fabric is evaluated is 2 to 3 these are measured; And the present invention is 4.67dtex and twist factor for being to be rated as at least less than the made the sort of fabric of 26 yarn by line density.Along with the reduction of staple line density and the minimizing comfortableness of the twist obviously increase.
Example 1 and 2 shows that the fabric of being made greater than the yarn of 2.5dtex by staple line density demonstrates that anti-cutting improves and improves by demonstrating comfortableness less than 6.67dtex and twist factor less than the made fabric of 26 yarn.Those results' combination shows that staple line density 3 to 6dtex and twist factor will make fabric have anti-cutting simultaneously less than 26 yarn and keep comfortable.

Claims (20)

1. a yarn has line density 150 to 5900dtex and twist factor less than 26, it is characterized in that yarn comprise line density be 3 to 6dtex and length be 2.5 to 15.2 centimetres counterpoint type aramid staple fiber.
2. by the made anti-cutting clothes of the yarn of claim 1.
3. according to the yarn of claim 1, it is characterized in that staple fibre has 4 to 5dtex line density.
4. according to the yarn of claim 1, it is characterized in that staple fibre has one 15 to 22 twist factor.
5. according to the yarn of claim 3, it is characterized in that staple fibre has one 15 to 22 twist factor.
6. be every square metre 135 to 1017 fabric that restrains by the made weight that has of the yarn of claim 1.
7. by the made anti-cutting clothes of the fabric of claim 6.
8. the clothes of claim 7, its form is gloves.
9. the woven fabric of claim 6.
10. the knitted fabric of claim 6.
11. the weight of being made by the yarn of claim 3 that has is every square metre 135 to 1017 fabric that restrains.
12. by the made anti-cutting clothes of the fabric of claim 11.
13. the clothes of claim 12, its form are gloves.
14. the woven fabric of claim 11.
15. the knitted fabric of claim 11.
16. the have weight made by the yarn of claim 4 is every square metre 135 to 1017 fabric that restrains.
17. by the made anti-cutting clothes of the fabric of claim 16.
18. according to the clothes of claim 17, its form is gloves.
19. the woven fabric of claim 16.
20. the knitted fabric of claim 16.
CN96199548A 1996-01-05 1996-12-31 Cut resistant yarn fabric Expired - Fee Related CN1097105C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US971896P 1996-01-05 1996-01-05
US60/009,718 1996-01-05

Publications (2)

Publication Number Publication Date
CN1207145A true CN1207145A (en) 1999-02-03
CN1097105C CN1097105C (en) 2002-12-25

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Application Number Title Priority Date Filing Date
CN96199548A Expired - Fee Related CN1097105C (en) 1996-01-05 1996-12-31 Cut resistant yarn fabric

Country Status (9)

Country Link
EP (1) EP0874929B1 (en)
KR (1) KR100415369B1 (en)
CN (1) CN1097105C (en)
AU (1) AU699340B2 (en)
BR (1) BR9612411A (en)
CA (1) CA2241960C (en)
DE (1) DE69605328T2 (en)
RU (1) RU2178470C2 (en)
WO (1) WO1997025464A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101522968B (en) * 2006-10-10 2011-10-05 纳幕尔杜邦公司 Stain-masking cut resistant fabrics and articles and processes for making same
CN102326896A (en) * 2011-08-22 2012-01-25 浙江康隆达手套有限公司 Processing technic of anti-cutting glove
CN1678779B (en) * 2002-08-26 2013-06-19 纳幕尔杜邦公司 Penetration resistant life protection articles
CN107523910A (en) * 2011-05-10 2017-12-29 帝斯曼知识产权资产管理有限公司 Yarn, the manufacture method of yarn and the product comprising yarn

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6532724B2 (en) 2000-05-15 2003-03-18 Gilbert Patrick Cut-resistant yarn and method of manufacture
US6701703B2 (en) 2001-10-23 2004-03-09 Gilbert Patrick High performance yarns and method of manufacture
US20040011087A1 (en) * 2002-07-18 2004-01-22 Serge Rebouillat Cut and abrasion resistant fibrous structure comprising an elastic nylon
PT2052102E (en) * 2006-08-11 2010-12-16 Teijin Aramid Gmbh Staple fibre yarn, textile fabric comprising the staple fibre yarn, and articles comprising the textile fabric
US11598027B2 (en) 2019-12-18 2023-03-07 Patrick Yarn Mills, Inc. Methods and systems for forming a composite yarn

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120914A (en) * 1977-02-04 1978-10-17 E. I. Du Pont De Nemours And Company Aromatic polyamide fiber blend for protective clothing
FR2581665B1 (en) * 1985-05-07 1987-06-12 Rhone Poulenc Textile FIBER YARNS OF THERMOSTABLE TEXTILE MATERIALS
US4918912A (en) * 1989-05-19 1990-04-24 E. I. Du Pont De Nemours And Company Cut and abrasion resistant spun yarns and fabrics
JP3254952B2 (en) * 1994-02-25 2002-02-12 東レ株式会社 Spun yarn and woven / knitted fabric using the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1678779B (en) * 2002-08-26 2013-06-19 纳幕尔杜邦公司 Penetration resistant life protection articles
CN101522968B (en) * 2006-10-10 2011-10-05 纳幕尔杜邦公司 Stain-masking cut resistant fabrics and articles and processes for making same
CN107523910A (en) * 2011-05-10 2017-12-29 帝斯曼知识产权资产管理有限公司 Yarn, the manufacture method of yarn and the product comprising yarn
CN102326896A (en) * 2011-08-22 2012-01-25 浙江康隆达手套有限公司 Processing technic of anti-cutting glove

Also Published As

Publication number Publication date
KR19990077038A (en) 1999-10-25
CN1097105C (en) 2002-12-25
KR100415369B1 (en) 2004-03-19
AU699340B2 (en) 1998-12-03
EP0874929A1 (en) 1998-11-04
BR9612411A (en) 1999-07-13
CA2241960C (en) 2004-04-06
EP0874929B1 (en) 1999-11-24
CA2241960A1 (en) 1997-07-17
DE69605328T2 (en) 2000-05-11
AU1523497A (en) 1997-08-01
RU2178470C2 (en) 2002-01-20
DE69605328D1 (en) 1999-12-30
WO1997025464A1 (en) 1997-07-17

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