CN103018176B - Detecting method for ensuring dyeing uniformity of viscose filament yarn - Google Patents

Detecting method for ensuring dyeing uniformity of viscose filament yarn Download PDF

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CN103018176B
CN103018176B CN201210508314.3A CN201210508314A CN103018176B CN 103018176 B CN103018176 B CN 103018176B CN 201210508314 A CN201210508314 A CN 201210508314A CN 103018176 B CN103018176 B CN 103018176B
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dyeing
suspenders
filament yarn
standard specimen
viscose filament
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CN103018176A (en
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张志宏
鲁士君
贾利军
田文智
张志涛
陈洁龄
刘志超
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Baoding Swan Fiber Co Ltd
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Abstract

The invention discloses a detecting method for ensuring the dyeing uniformity of a viscose filament yarn. The detecting method comprises the following steps of gradually carrying out continuous sock knitting on a first batch of spinning cakes or spinning cylinders with the same specification and same variety to form a sock belt, and marking, dyeing and drying; carrying out comparison and color judgment on a grey chip color sample card to determine three grades of dyeing grey chip guide samples, namely A+, A and A-; gradually carrying out the continuous sock knitting on the same batch of viscose filament yarn spinning cakes or spinning cylinders with the same specification and same variety of the subsequent same batch to form a sock belt, and marking, dyeing and drying; carrying out comparison and color judgment with the grey chip color sample card to determine the three grades of dyeing grey chip guide samples, namely A+, A and A-; marking attributed dyeing grey chip attribute of each section of the sock belt; and sieving all the spinning cakes or spinning cylinders according to a comparison result, and respectively combining the spinning cakes or the spinning cylinders with the same dyeing grey chip attribute of the A+, A and A- grades of the dyeing grey chip guide samples into one batch. With the adoption of the detection method disclosed by the invention, the dyeing uniformity of the viscose filament yarn can be highly consistent and the uniformity grey chip grade of the same batch of viscose filament yarn products is more than or equal to grade 4.

Description

A kind of detection method that ensures viscose filament yarn dye uniformity
Technical field
The present invention relates to a kind of detection method that ensures viscose filament yarn dye uniformity.
Background technology
Viscose rayon is an important kind in man-made fiber, and its attribute is regenerated celulose fibre.Viscose rayon comprises viscose filament yarn and short rayon fiber.Viscose filament yarn is the textile raw material that a kind of wearability is good, textile taking it as raw material have good moisture absorption, ventilative, soft, smooth, dangle, dyeability that gloss is beautiful and good and the feature such as antistatic, be the main yarn raw material of field of textiles.
The dye uniformity of viscose filament yarn is the important indicator of the long quality of evaluation viscose glue, is also the key element of weighing enterprise's field management level and technology.The dye uniformity of viscose filament yarn is divided into 5 grades, and 5 grades are the highest, no color differnece, and other successively decreases.GB/T13758-2008 national standard and FZ/T54011-2006 textile industry standard, separate provision evaluation methods and the classification standard of viscose filament yarn and continuous spunbond glue filament dyeing uniformity coefficient grade.High-class product is >=4 grades, dyeing ash card (aberration 0.8 between each cylinder or spinning cake), and Grade A is >=3.5 grades, dyeing ash card (aberration 2.5 between each cylinder or spinning cake), and certified products block >=3 grades (aberration 3.4 between each or spinning cake) for dyeing ash.At present, the method of inspection of viscose filament yarn dye uniformity is to extract by a certain percentage detection sample with turnout size, detection sample is made into after suspenders, dyeing, contrasts with ash card standard specimen with the variable color of textile color stability test evaluation, evaluate the dye uniformity grade that this production is criticized.Produce 6 tons daily and get below 15 spinning cakes or silk cylinder, produce 6 tons and get above 20 spinning cakes or silk cylinder dyes, the dyeing grade of the spinning cake to sampling or silk tin, is the dye uniformity grade of this batch of product.But in fact,, although a collection of product dyeing is decided to be high-class product or Grade A, can not ensure that this batch of all spinning cake and silk cylinder can reach dye uniformity >=4 grade or 3.5 grades.From viscose filament yarn quality inspection and user's service condition analysis, the maximum quality problems that reflect are problems of the dye uniformity of viscose filament yarn, i.e. product uneven dyeing.For the field such as such as silk, hosiery yarns, application of dress material for warp, in the time dying the responsive look product of system, the product of 3.5 grades will cause product dyeing flower, product rejection.Because product can not ensure absolute level dyeing, some user of downstream before use, draws a design one by one to silk cylinder, chooses the inconsistent silk cylinder of dyeing, even if the silk cylinder of adjacent lot number is also nonvoluntary mixed.The inhomogeneous range of application that greatly limits viscose filament yarn of product dyeing.
Uneven dyeing is that restriction viscose filament yarn becomes key issue of high-end product always.First high-grade viscose filament yarn is even dyeing consistance to the requirement of quality, with a collection of product dye uniformity necessary >=4 grades, silk cylinder, regardless of product batch number, can be directly used in warping and the tram of high speed loom; Next is that silk cylinder appearance forming is good, and no color differnece, fault, fracture of wire, without lousiness or few lousiness spin continuously non junction, jump silk; Be strand physical and chemical index uniformity again, except absolute index is up to standard, the coefficient of variation is very little.
Dye uniformity is difficult for the large defect that guarantee is viscose filament yarn always, and this is to be caused by the characteristic of fiber itself and production technology, and Ye Shi manufacturer endeavours the problem solving always.But the multiple computer desk of producing due to viscose filament yarn, spin position, long flow process, production run is very complicated more, and the many factors of impact, so there is not thorough change always.And existing sampling colouring method can not ensure can reach 4 grades of dyeing with spinning cakes all in a collection of product or silk cylinder, cannot ensure that product reaches the standard of expensive goods from dye uniformity.
Summary of the invention
Object of the present invention solves the above-mentioned problems in the prior art exactly, a kind of detection method that ensures viscose filament yarn dye uniformity is provided, use this detection method can make the dye uniformity height of viscose filament yarn consistent, ensure with batch viscose filament yarn product dye uniformity ash card level >=4 grades.
For achieving the above object, technical solution of the present invention is: a kind of detection method that ensures viscose filament yarn dye uniformity, and it comprises the following steps:
Determining of A, dyeing ash card standard specimen:
By first same specification, knit one by one socks with the spinning cake of kind or silk cylinder, each spinning cake or silk cylinder are respectively knitted one section, are made into continuously after a suspenders, make mark in order on every section of suspenders; The suspenders weaving is dyeed, dried according to the testing requirements of viscose filament yarn dye uniformity;
Each section of suspenders of the suspenders by dyeing, after drying and the variable color of GB/T250-2008 textile color stability test evaluation are compared and are sentenced look with the grey tinctorial pattern card that blocks, and determine A +, A, A -three Estate dyeing ash card standard specimen, the aberration grade between adjacent two grades is controlled at 0.5 grade, and A is standard dyeing ash card normal value standard specimen, A +for deep dyed color ash card standard specimen, A -for understain look ash card standard specimen; The number of each grade dyeing ash card standard specimen is 1 or two or more;
The screening of B, silk cylinder or spinning cake:
By same specification, knit one by one socks with the follow-up same lot number viscose filament yarn spinning cake of kind or silk cylinder, each spinning cake or silk cylinder are respectively knitted one section, be made into continuously after a suspenders, on every section of suspenders, make mark in order, dye, dry according to the testing requirements of viscose filament yarn dye uniformity; Then each section of suspenders and the A of the suspenders by dyeing, after drying +, A, A -the dyeing ash card standard specimen of Three Estate is compared and is sentenced look, marks the affiliated dyeing ash card attribute of each section of suspenders;
C, according to comparison result, all spinning cakes or silk cylinder are screened, will with A, A +, A -the spinning cake of the same dyeing ash of dyeing ash card standard specimen card attribute or silk cylinder are respectively merged into a collection of, and dyeing ash card attribute is deeper than to A +dyeing ash blocks standard specimen or is shallower than A -spinning cake or the silk cylinder of dyeing ash card standard specimen are rejected.
The suspenders width of one section that in steps A described above and B, each spinning cake or silk cylinder are knitted is 5-8cm.
But above-mentioned determined dyeing ash blocks standard specimen also two, four, five or more grade.
The detection method of guarantee viscose filament yarn dye uniformity provided by the present invention, knit socks, dye, sentence look by the spinning cake to all or silk cylinder, the dyeing grade of all spinning cakes or silk cylinder is controlled within 0.5 grade, can make the dye uniformity height of viscose filament yarn consistent, ensure with batch viscose filament yarn product dye uniformity ash card level >=4 grades.Factory is knitted in downstream can these viscose filament yarns of relieved use, the no longer generation because dyeing and not passing a test and cause the return of goods, promise breaking etc. to bother.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
embodiment 1
The semicontinuous 83.3dtex/18f of spinning has the detection method of light viscose filament yarn cake dyeing uniformity coefficient:
A, first semicontinuous 83.3dtex/18f of spinning is had to light viscose filament yarn spinning cake, by single yarn feeding circular hosiery knitting machine of syringe diameter of phi 88.9mm, with the pin number of 300 pins, the skin of each spinning cake is knitted to socks one by one; Each spinning cake is tied a knot after knitting the suspenders of a segment length 5cm, then knits next spinning cake, and knitting speed and must being consistent with strand tension force of each section of suspenders, is made into after a suspenders continuously, makes mark in order on every section of suspenders.The suspenders weaving is dyeed, dried according to the testing requirements of viscose filament yarn dye uniformity.Each section of suspenders of the suspenders by dyeing, after drying compared with the grey tinctorial pattern card that blocks with the variable color of GB/T250-2008 textile color stability test evaluation, and the control of aberration grade is 0.5 grade, determines A +, A, A -three dyeing ash card standard specimens, A is standard ash card normal value standard specimen, A +for dark-grey card standard specimen, A -for light gray card standard specimen.
B, by spinning 6 crowdes of 9632 semicontinuous 83.3dtex/18f of spinning have light viscose filament yarn spinning cake, by single yarn feeding circular hosiery knitting machine of syringe diameter of phi 88.9mm, with the pin number of 300 pins, the skin of each spinning cake is knitted to socks one by one.Each spinning cake is tied a knot after knitting the suspenders of a segment length 5cm, then knits next spinning cake, and knitting speed and must being consistent with strand tension force of each section of suspenders, is made into after a suspenders continuously, makes mark in order on every section of suspenders.Suspenders is dyeed, dried according to the testing requirements of FZ/T50015-2009 viscose filament yarn dye uniformity; Then each section of suspenders and the A of the suspenders by dyeing, after drying +, A, A -three dyeing ash card standard specimens are compared and are sentenced look, mark the affiliated dyeing ash card attribute of each section of suspenders;
C, according to the dyeing ash card attribute of suspenders, all spinning cakes are screened, 7542 of the spinning cakes that dyeing ash card is A standard specimen, dyeing ash card is A +standard specimen spinning cake is 1059, and dyeing ash card is A -standard specimen spinning cake is 819, and dyeing ash card is deeper than A +standard specimen spinning cake is 124, is shallower than A -spinning cake be 88.The spinning cake of same dyeing ash card standard specimen attribute is merged into a collection of and dispatched from the factory or become cylinder, and its dyeing ash card level>=4 grades, reaches the requirement of high dye uniformity, and dyeing ash card is deeper than A +standard specimen or be shallower than A -spinning cake, degradation processing.
embodiment 2
Spinning continuously 133.3dtex/42f has the detection method of light viscose filament yarn silk bobbin dyeing color uniformity:
A, first semicontinuous 83.3dtex/18f of spinning is had to light viscose filament yarn silk cylinder, by single yarn feeding circular hosiery knitting machine of syringe diameter of phi 88.9mm, pin number with 240 pins is knitted socks one by one to the skin of each cylinder, each cylinder tied a knot after knitting the suspenders of a segment length 5cm, then knit next spinning cake, knitting speed and must being consistent with strand tension force of each section of suspenders, is made into after a suspenders continuously, makes mark in order on every section of suspenders.The suspenders weaving is dyeed, dried according to the testing requirements of viscose filament yarn dye uniformity.Each section of suspenders of the suspenders by dyeing, after drying compared with the grey tinctorial pattern card that blocks with the variable color of GB/T250-2008 textile color stability test evaluation, and the control of aberration grade is 0.5 grade, determines A +, A, A -three dyeing ash card standard specimens, A is standard ash card normal value standard specimen, A +for dark-grey card standard specimen, A -for light gray card standard specimen.
B, by spinning 10 crowdes of 4793 133.3dtex/42f have light viscose filament yarn silk cylinder, by single yarn feeding circular hosiery knitting machine of syringe diameter of phi 88.9mm, pin number with 240 pins is knitted socks one by one to the skin of each cylinder, each cylinder tied a knot after knitting the suspenders of a segment length 5cm, then knit next silk cylinder, knitting speed and must being consistent with strand tension force of each section of suspenders, is made into after a suspenders continuously, makes mark in order on every section of suspenders.Suspenders is dyeed, dried according to the testing requirements of FZ/T50015-2009 viscose filament yarn dye uniformity; Then each section of suspenders and the A of the suspenders by dyeing, after drying +, A, A -three dyeing ash card standard specimens are compared and are sentenced look, mark the affiliated dyeing ash card attribute of each section of suspenders.
C, according to the dyeing ash card attribute of suspenders, silk cylinder is screened, 3724, the silk cylinder that dyeing ash card is A standard specimen, dyeing ash card is A +standard specimen silk cylinder is 484, and dyeing ash card is A -standard specimen silk cylinder is 460, and dyeing ash card is deeper than A +standard specimen silk cylinder is 78, is shallower than A -silk cylinder be 47.The silk cylinder of same dyeing ash card standard specimen attribute is merged into a collection of and dispatched from the factory, and its dyeing ash card level>=4 grades, reaches the requirement of high dye uniformity, and dyeing ash card is deeper than A +standard specimen or be shallower than A -spinning cake, degradation processing.
embodiment 3
The semicontinuous 33.3dtex/18f of spinning has the detection method of light viscose filament yarn silk bobbin dyeing color uniformity:
1. become the semicontinuous 33.3dtex/18f of spinning of cylinder to have light viscose filament yarn silk cylinder first single spinning cake, by single yarn feeding circular hosiery knitting machine of syringe diameter of phi 88.9mm, pin number with 300 pins is knitted socks one by one to the skin of each cylinder, each cylinder tied a knot after knitting the suspenders of a segment length 5cm, then knit next spinning cake, knitting speed and must being consistent with strand tension force of each section of suspenders, is made into after a suspenders continuously, makes mark in order on every section of suspenders.The suspenders weaving is dyeed, dried according to the testing requirements of viscose filament yarn dye uniformity.Each section of suspenders of the suspenders by dyeing, after drying compared with the grey tinctorial pattern card that blocks with the variable color of GB/T250-2008 textile color stability test evaluation, and the control of aberration grade is 0.5 grade, determines A +, A, A -three dyeing ash card standard specimens, A is standard ash card normal value standard specimen, A +for dark-grey card standard specimen, A -for light gray card standard specimen.
B, become the semicontinuous 33.3dtex/18f of spinning of cylinder to have light viscose filament yarn silk cylinder 11 batches 5381 single spinning cakes of spinning, by single yarn feeding circular hosiery knitting machine of syringe diameter of phi 88.9mm, pin number with 300 pins is knitted socks one by one to the skin of each cylinder, each cylinder tied a knot after knitting the suspenders of a segment length 5cm, then knit next silk cylinder, knitting speed and must being consistent with strand tension force of each section of suspenders, is made into after a suspenders continuously, makes mark in order on every section of suspenders.Suspenders is dyeed, dried according to the testing requirements of FZ/T50015-2009 viscose filament yarn dye uniformity; Then each section of suspenders and the A of the suspenders by dyeing, after drying +, A, A -three dyeing ash card standard specimens are compared and are sentenced look, mark the affiliated dyeing ash card attribute of each section of suspenders.
C, according to the dyeing ash card attribute of suspenders, silk cylinder is screened, 3998, the silk cylinder that dyeing ash card is A standard specimen, dyeing ash card is A +standard specimen silk cylinder is 662, and dyeing ash card is A -standard specimen silk cylinder is 560, and dyeing ash card is deeper than A +standard specimen silk cylinder is 82, is shallower than A -silk cylinder be 79.The silk cylinder of same dyeing ash card standard specimen attribute is merged into a collection of and dispatched from the factory, and its dyeing ash card level>=4 grades, reaches the requirement of high dye uniformity, and dyeing ash card is deeper than A +standard specimen or be shallower than A -spinning cake, degradation processing.

Claims (3)

1. a detection method that ensures viscose filament yarn dye uniformity, is characterized in that: it comprises the following steps:
Determining of A, dyeing ash card standard specimen:
By first same specification, knit one by one socks with the spinning cake of kind or silk cylinder, each spinning cake or silk cylinder are respectively knitted one section, are made into continuously after a suspenders, make mark in order on every section of suspenders; The suspenders weaving is dyeed, dried according to the testing requirements of viscose filament yarn dye uniformity;
Each section of suspenders of the suspenders by dyeing, after drying and the variable color of GB/T250-2008 textile color stability test evaluation are compared and are sentenced look with the grey tinctorial pattern card that blocks, and determine A +, A, A -three Estate dyeing ash card standard specimen, the aberration grade between adjacent two grades is controlled at 0.5 grade, and A is standard dyeing ash card normal value standard specimen, A +for deep dyed color ash card standard specimen, A -for understain look ash card standard specimen; The number of each grade dyeing ash card standard specimen is 1 or two or more;
The screening of B, silk cylinder or spinning cake:
By same specification, knit one by one socks with the follow-up same lot number viscose filament yarn spinning cake of kind or silk cylinder, each spinning cake or silk cylinder are respectively knitted one section, be made into continuously after a suspenders, on every section of suspenders, make mark in order, dye, dry according to the testing requirements of viscose filament yarn dye uniformity; Then each section of suspenders and the A of the suspenders by dyeing, after drying +, A, A -the dyeing ash card standard specimen of Three Estate is compared and is sentenced look, marks the affiliated dyeing ash card attribute of each section of suspenders;
C, according to comparison result, all spinning cakes or silk cylinder are screened, will with A, A +, A -the spinning cake of the same dyeing ash of dyeing ash card standard specimen card attribute or silk cylinder are respectively merged into a collection of, and dyeing ash card attribute is deeper than to A +dyeing ash blocks standard specimen or is shallower than A -spinning cake or the silk cylinder of dyeing ash card standard specimen are rejected.
2. the detection method of guarantee viscose filament yarn dye uniformity according to claim 1, is characterized in that: the suspenders width of a section that in described steps A and B, each spinning cake or silk cylinder are knitted is 5-8cm.
3. according to the detection method of the guarantee viscose filament yarn dye uniformity described in claim 1 or 2, it is characterized in that: in steps A, determined dyeing ash card standard specimen is two, four, five or more grade.
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