CN103981610A - Flame-retardant composite yarns and production method for same - Google Patents
Flame-retardant composite yarns and production method for same Download PDFInfo
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- CN103981610A CN103981610A CN201410137356.XA CN201410137356A CN103981610A CN 103981610 A CN103981610 A CN 103981610A CN 201410137356 A CN201410137356 A CN 201410137356A CN 103981610 A CN103981610 A CN 103981610A
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Abstract
The invention discloses flame-retardant composite yarns and a production method for the same. The flame-retardant composite yarns are characterized in that polyester filament yarns are adopted for central fibers, wherein the outer surfaces of the central fibers are wrapped with wrapping fibers in a winding way; aramid short fibers made from polyisophthaloyl metaphenylene diamine fibers are adopted as the wrapping fibers; the flame-retardant composite yarns are formed by a fully-automatic bobbin winder, a high-speed doubling winder and a two-for-one twisting procedure. According to the flame-retardant composite yarns and the production method for the same, the strength of the composite yarns is greatly strengthened, the advantages of high flame retardance of the aramid short fibers and high tenacity of the polyester filament yarns are effectively integrated, and the composite yarns are suitable for high-speed sewing and is high in sewing processing efficiency; in addition, special garments made from the composite yarns wear comfortable, the sewing requirements of special garments and equipment used in high-temperature working environments can be met, and the composite yarns can be widely used for the sewing of firefighting, electric welding, fireproof and high-temperature resistant fabrics as well as fireproof inorganic roller shutters, fireproof and high-temperature resistant gloves, fireproof gilts and fireproof and high-temperature resistant sealing rings, have good fireproof and flame-retardant effects, and are wide in application range.
Description
Technical field
The present invention relates to a kind of yarn and manufacture method thereof, relate in particular to a kind of fire-retardant complex yarn and manufacture method thereof, belong to textile technology field.
Background technology
Existing fire resistance fibre is not easy to carry out high speed sewing, poor as the snugness of fit of high-performance apparel, cannot gather good fire resistance and the advantage of high-tenacity.And sewing working (machining) efficiency is lower, is unfavorable for being widely used in high temperature and fire protection flame retarding field.
For example: aramid fiber 1313, it is Fanglun 1313, by forming through solution spinning after m-phenylene diamine (MPD) and m-phthaloyl chloride polycondensation, fibrous fracture intensity 3.1cN/dtex-5.3cN/dtex, percentage elongation 30%～50%, aramid fiber 1313 has acid and alkali resistance, mould, aging characteristic, and its frictional property, corrosion resistance are best, intensity and elasticity, shortcoming is that light resistance is poor.Aramid fiber 1313 has good anti-flammability, and material is called limited oxygen index at the percentage of combustion synthesis in air requisite oxygen gas volume, and limited oxygen index is larger, and its fire resistance is just better.Conventionally content of oxygen in air is 21%, and the limited oxygen index of aramid fiber 1313 is greater than 28%, belongs to flame retardant fibre, thus can be at combustion synthesis in air, not combustion-supporting yet, there is self-extinguishment.This inherent characteristic that comes from molecular structure own makes aramid fiber 1313 permanent fire retardant, therefore has the laudatory title of " Flame Retardant Fibers ".But be not easy to merely carry out high speed sewing using aramid fiber 1313 as fabric fibre, do not there is high-tenacity, be unfavorable for being widely used in high temperature and fire protection flame retarding field.
Summary of the invention
First object of the present invention is to be not easy to carry out high speed sewing for existing fire resistance fibre, cannot gather good fire resistance and the advantage of high-tenacity, snugness of fit as high-performance apparel is poor, be unfavorable for being widely used in defect and the deficiency in high temperature and fire protection flame retarding field, now provide one can carry out high speed sewing, good fire resistance and the advantage of high-tenacity are gathered, snugness of fit as high-performance apparel is better, is convenient to be widely used in the fire-retardant complex yarn of one in high temperature and fire protection flame retarding field.
Second object of the present invention is to be not easy to carry out high speed sewing for existing fire resistance fibre, processing technology complexity, sewing working (machining) efficiency is lower, the defect that production cost is higher and deficiency, now provide one can carry out high speed sewing, sewing working (machining) efficiency is high, and processing technology advantages of simple is convenient to be widely used in the fire-retardant complex yarn manufacture method of one in high temperature and fire protection flame retarding field.
For realizing above-mentioned first object, technical solution of the present invention is: a kind of fire-retardant complex yarn, comprise center fiber, it is characterized in that: described center fiber is as inner core, and tangle and be coated with covered fiber at the outer surface of center fiber, center fiber adopts polyester filament, and polyester filament shared mass percent in complex yarn is 20%-30%, the aramid fiber short fibre that covered fiber adopts Fanglun 1313 to make.
The fiber number of described aramid fiber short fibre is 1.67dtex, 40 millimeters-60 millimeters of the length of aramid fiber short fibre, and intensity is 3.1cN/dtex-5.3cN/dtex.
The fiber number of described polyester filament is 49dtex-167dtex, and intensity is 7cN/dtex-8cN/dtex.
Described polyester filament is flame-retardant modified by precursor, and the polyester filament fiber number after modification is 49dtex-167dtex, and intensity is 7cN/dtex-8cN/dtex.
Described aramid fiber short fibre is by solution dyeing, and the length of aramid fiber short fibre is 51 millimeters.
The specification of described complex yarn is 10S-60S.
For realizing above-mentioned second object, technical solution of the present invention is: a kind of fire-retardant complex yarn manufacture method, is characterized in that comprising the following steps:
A, aramid fiber short fibre is sent in scutcher, enters into successively subsequently carding machine, drawing frame and Speed frames and process, form aramid fiber coarse sand;
B, will be in step a carry out drawing-off in yarn feeding fine spining machine after processing;
C, allow polyester filament after the additional unwinding device on fine spining machine, tenslator and positioning guide wire device, enter fine spining machine successively to carry out preliminary working;
D, before polyester filament enters the fine spining machine in step c, the aramid fiber rove of drawing-off and polyester filament are met to fine spining machine front roller nip place, after front roller output, by twizzle, and form cladded yarn under ring-traveller twisting winding;
E, last cladded yarn form fire-retardant complex yarn after fully-automatic spooling machine, high speed doubling winder and double twisting operation.
In described step e, spun yarn is twisted with the fingers to being S sth. made by twisting, and direction of strand lay is that Z twists with the fingers, and by dyeing, line procedures processed, makes fire-retardant complex yarn be applicable to sewing at a high speed.
Described polyester filament shared mass percent in complex yarn is 20%-30%.
The invention has the beneficial effects as follows:
1. center fiber of the present invention adopts polyester filament, and tangle and be coated with covered fiber at the outer surface of center fiber, the aramid fiber short fibre that covered fiber adopts Fanglun 1313 to make forms fire-retardant complex yarn after fully-automatic spooling machine, high speed doubling winder and double twisting operation.
2. the present invention has greatly improved the intensity of complex yarn of the present invention, efficient set good fire resistance and the high-tenacity that polyester filament has advantages of of aramid fiber short fibre, be suitable for carrying out high speed sewing, sewing working (machining) efficiency is high, and good as the snugness of fit of high-performance apparel.
3. the thread sewing thread of the fire-retardant composite yarn of the present invention can meet the high-performance apparel using under high-temperature work environment, the sewing requirement of harness, can be widely used in making of fire-fighting, electric welding, fire-proof high-temperature resistant textiles, also can make fireproofing inorganic roller shutter, fire-proof high-temperature resistant gloves, fire prevention quilt, fire-proof high-temperature resistant sealing ring, fire protection flame retarding is effective, and the scope of application is extensive.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
In figure: center fiber 1, covered fiber 2.
Detailed description of the invention
Below in conjunction with brief description of the drawings and detailed description of the invention, the present invention is described in further detail:
Referring to Fig. 1, the fire-retardant complex yarn of one of the present invention, comprise center fiber 1, it is characterized in that: described center fiber 1 is as inner core, and tangle and be coated with covered fiber at the outer surface of center fiber 1, center fiber 1 adopts polyester filament, and polyester filament shared mass percent in complex yarn is 20%-30%, the aramid fiber short fibre that covered fiber adopts Fanglun 1313 to make.
The fiber number of described aramid fiber short fibre is 1.67dtex, 40 millimeters-60 millimeters of the length of aramid fiber short fibre, and intensity is 3.1cN/dtex-5.3cN/dtex.
The fiber number of described polyester filament is 49dtex-167dtex, and intensity is 7cN/dtex-8cN/dtex.
Described polyester filament is flame-retardant modified by precursor, and the polyester filament fiber number after modification is 49dtex-167dtex, and intensity is 7cN/dtex-8cN/dtex.
Described aramid fiber short fibre is by solution dyeing, and the length of aramid fiber short fibre is 51 millimeters.
The specification of described complex yarn is 10S-60S.
A kind of fire-retardant complex yarn, is characterized in that: the specification of described complex yarn is 10S-60S.
A kind of fire-retardant complex yarn manufacture method, is characterized in that comprising the following steps:
A, aramid fiber short fibre is sent in scutcher, enters into successively subsequently carding machine, drawing frame and Speed frames and process, form aramid fiber coarse sand;
B, will be in step a carry out drawing-off in yarn feeding fine spining machine after processing;
C, allow polyester filament after the additional unwinding device on fine spining machine, tenslator and positioning guide wire device, enter fine spining machine successively to carry out preliminary working;
D, before polyester filament enters the fine spining machine in step c, the aramid fiber rove of drawing-off and polyester filament are met to fine spining machine front roller nip place, after front roller output, by twizzle, and form cladded yarn under ring-traveller twisting winding;
E, last cladded yarn form fire-retardant complex yarn after fully-automatic spooling machine, high speed doubling winder and double twisting operation.
In described step e, spun yarn is twisted with the fingers to being S sth. made by twisting, and direction of strand lay is that Z twists with the fingers, and by dyeing, line procedures processed, makes fire-retardant complex yarn be applicable to sewing at a high speed.
Described polyester filament shared mass percent in complex yarn is 20%-30%.
Referring to Fig. 1, center fiber 1 is as inner core, and center fiber 1 adopts polyester filament, and polyester filament shared mass percent in complex yarn is 20%-30%.The basic composition material of terylene is polyethylene terephthalate, also claims polyester fiber (PET), and polyster fibre intensity is high, it is high that heat resistance and thermal insulation are wanted, be best in synthetic fiber, ABRASION RESISTANCE is only second to the best polyamide fibre of ABRASION RESISTANCE, and light resistance is only second to acrylic fibers.Also there is stronger anti acid alkali performance simultaneously, anti-ultraviolet ability, wherein high-strength terylene filament have powerful high, extend the characteristics such as little, modulus is high, fibrous fracture intensity reaches 7 cN/dtex-8cN/dtex, fibrous fracture percentage elongation≤12%.Polyester filament of the present invention is flame-retardant modified by precursor, adds phosphorus flame retardant to change molecular structure in polyester process, makes polyster fibre have flame retardant effect, and phosphorus flame retardant is non-stimulated to skin, also nontoxic through the fabric of burning.Polyester filament also can also can reach flame retardant effect by the surface treatment modification of phosphonium flame retardant, and surface treatment modification has that technique is simple, low cost and other advantages, but after washing flame retardant effect variation, can not accomplish permanent fire retardant.
The outer surface of center fiber 1 tangles and is coated with covered fiber through twisting, the aramid fiber short fibre that covered fiber adopts Fanglun 1313 to make, the short fiber that aramid fiber 1313 is made.Fanglun 1313 forms through solution spinning after by m-phenylene diamine (MPD) and m-phthaloyl chloride polycondensation, fibrous fracture intensity 3.1cN/dtex-5.3cN/dtex, percentage elongation 30%～50%.The fiber number of aramid fiber short fibre is 1.67dtex, and intensity is 3.1cN/dtex-5.3cN/dtex.40 millimeters-60 millimeters of the length of aramid fiber short fibre, the optimum length of aramid fiber short fibre is 51 millimeters.Aramid fiber short fibre by solution dyeing after fiber number be 1.67dtex, the length of fiber is 51 millimeters, intensity is 3.1-5.3cN/dtex.
Specific embodiments of the invention one: the fiber number of center fiber 1 raw white short fiber is 1.67dtex, the length of fiber is 45 millimeters, intensity is 3.1cN/dtex.The fiber number of polyester filament is 49dtex, and intensity is 7cN/dtex.
Specific embodiments of the invention two: the fiber number of center fiber 1 raw white short fiber is 1.67dtex, the length of fiber is 50 millimeters, intensity is 4cN/dtex.The fiber number of polyester filament is 80dtex, and intensity is 7.3cN/dtex.
Specific embodiments of the invention three: the fiber number of center fiber 1 raw white short fiber is 1.67dtex, the length of fiber is 51 millimeters, intensity is 5.3cN/dtex.The fiber number of polyester filament is 140dtex, and intensity is 7.8cN/dtex.
Specific embodiments of the invention four: the fiber number of center fiber 1 raw white short fiber is 1.67dtex, the length of fiber is 58 millimeters, intensity is 4.8cN/dtex.The fiber number of polyester filament is 160dtex, and intensity is 7.6cN/dtex.
The manufacture method of the fire-retardant complex yarn of the present invention is as follows: first aramid fiber short fibre is sent in scutcher, entering into successively subsequently carding machine, drawing frame and Speed frames processes, form aramid fiber coarse sand, will in the yarn feeding fine spining machine after processing, carry out drawing-off subsequently.Allow polyester filament after the additional unwinding device on fine spining machine, tenslator and positioning guide wire device, enter fine spining machine successively and carry out preliminary working, before polyester filament enters fine spining machine, the aramid fiber rove of drawing-off and polyester filament are met to fine spining machine front roller nip place, after front roller output, by twizzle, and form cladded yarn under ring-traveller twisting winding.Last cladded yarn forms fire-retardant complex yarn after fully-automatic spooling machine, high speed doubling winder and double twisting operation.
Spun yarn of the present invention is twisted with the fingers to being S sth. made by twisting, that is: in sliver, the incline direction of fiber is consistent with alphabetical S middle part.Direction of strand lay is that Z twists with the fingers, and in sliver, the incline direction of fiber is consistent with zed middle part.The specification of complex yarn is 10S-60S.The present invention, by dyeing, line procedures processed, makes fire-retardant complex yarn be applicable to sewing at a high speed.The yarn strength of simple aramid fiber short fibre only has 28cN/tex, in the present invention, the intensity of fire-retardant complex yarn reaches 32cN/tex, greatly improve the intensity of complex yarn of the present invention, efficient set good fire resistance and the high-tenacity that polyester filament has advantages of of aramid fiber short fibre, use the sewing thread that this complex yarn is processed into can meet the high-performance apparel using, the sewing requirement of harness under high-temperature work environment, be suitable for carrying out high speed sewing, sewing working (machining) efficiency is high, and the snugness of fit as high-performance apparel is good, and the scope of application is extensive.
Claims (9)
1. a fire-retardant complex yarn, comprise center fiber (1), it is characterized in that: described center fiber (1) is as inner core, and tangle and be coated with covered fiber at the outer surface of center fiber (1), center fiber (1) adopts polyester filament, polyester filament shared mass percent in complex yarn is 20%-30%, the aramid fiber short fibre that covered fiber adopts Fanglun 1313 to make.
2. the fire-retardant complex yarn of one according to claim 1, is characterized in that: the fiber number of described aramid fiber short fibre is 1.67dtex, 40 millimeters-60 millimeters of the length of aramid fiber short fibre, and intensity is 3.1cN/dtex-5.3cN/dtex.
3. the fire-retardant complex yarn of one according to claim 1, is characterized in that: the fiber number of described polyester filament is 49dtex-167dtex, and intensity is 7cN/dtex-8cN/dtex.
4. the fire-retardant complex yarn of one according to claim 1, is characterized in that: described polyester filament is flame-retardant modified by precursor, and the polyester filament fiber number after modification is 49dtex-167dtex, and intensity is 7cN/dtex-8cN/dtex.
5. the fire-retardant complex yarn of one according to claim 2, is characterized in that: described aramid fiber short fibre is by solution dyeing, and the length of aramid fiber short fibre is 51 millimeters.
6. the fire-retardant complex yarn of one according to claim 1, is characterized in that: the specification of described complex yarn is 10S-60S.
7. a fire-retardant complex yarn manufacture method, is characterized in that comprising the following steps:
A, aramid fiber short fibre is sent in scutcher, enters into successively subsequently carding machine, drawing frame and Speed frames and process, form aramid fiber coarse sand;
B, will be in step a carry out drawing-off in yarn feeding fine spining machine after processing;
C, allow polyester filament after the additional unwinding device on fine spining machine, tenslator and positioning guide wire device, enter fine spining machine successively to carry out preliminary working;
D, before polyester filament enters the fine spining machine in step c, the aramid fiber rove of drawing-off and polyester filament are met to fine spining machine front roller nip place, after front roller output, by twizzle, and form cladded yarn under ring-traveller twisting winding;
E, last cladded yarn form fire-retardant complex yarn after fully-automatic spooling machine, high speed doubling winder and double twisting operation.
8. the fire-retardant complex yarn manufacture method of one according to claim 7, is characterized in that: in described step e, spun yarn is twisted with the fingers to being S sth. made by twisting, and direction of strand lay is that Z twists with the fingers, and by dyeing, line procedures processed, makes fire-retardant complex yarn be applicable to sewing at a high speed.
9. the fire-retardant complex yarn manufacture method of one according to claim 7, is characterized in that: described polyester filament shared mass percent in complex yarn is 20%-30%.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104313748A (en) * | 2014-11-11 | 2015-01-28 | 江南大学 | Flame-retardant blended yarn and processing method thereof |
| CN104372500A (en) * | 2014-11-19 | 2015-02-25 | 常熟市天辰针织有限公司 | Manufacturing method for flame-retardant home textile fabric |
| CN104947291A (en) * | 2015-05-30 | 2015-09-30 | 际华三五零六纺织服装有限公司 | Anti-static yarn-dyed damask fabric and manufacturing method thereof |
| CN104988627A (en) * | 2015-07-09 | 2015-10-21 | 上海兰邦工业纤维有限公司 | High-strength aramid fiber sewing thread with excellent sewing performance |
| CN105177784A (en) * | 2015-10-23 | 2015-12-23 | 际华三五零九纺织有限公司 | Technology of producing high-tenacity twisted yarn through aramid fiber and product produced through same |
| CN105506809A (en) * | 2015-12-03 | 2016-04-20 | 上海曙雀贸易有限公司 | Flame retardant molten-drop-resistant high-strength sewing thread |
| CN106400239A (en) * | 2016-09-21 | 2017-02-15 | 帛方纺织有限公司 | A special skeleton composite new material yarn and a preparation method therefor |
| CN106400234A (en) * | 2016-09-13 | 2017-02-15 | 际华三五零九纺织有限公司 | Method for producing ring-spun yarns by blending multi-component flame-retardant fibers with nylon 66 and application of ring-spun yarns |
| CN106435889A (en) * | 2016-08-31 | 2017-02-22 | 际华三五零六纺织服装有限公司 | Flame-retardant and antistatic composite yarn, processing method and opening and twisting device |
| CN111850777A (en) * | 2020-07-27 | 2020-10-30 | 江苏先诺新材料科技有限公司 | High-strength flame-retardant waterproof polyimide fire-fighting fabric and preparation method thereof |
| CN114182408A (en) * | 2021-11-05 | 2022-03-15 | 广东职业技术学院 | Flame-retardant and high-temperature-resistant core-spun yarn and preparation method and application thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104313748A (en) * | 2014-11-11 | 2015-01-28 | 江南大学 | Flame-retardant blended yarn and processing method thereof |
| CN104372500A (en) * | 2014-11-19 | 2015-02-25 | 常熟市天辰针织有限公司 | Manufacturing method for flame-retardant home textile fabric |
| CN104947291A (en) * | 2015-05-30 | 2015-09-30 | 际华三五零六纺织服装有限公司 | Anti-static yarn-dyed damask fabric and manufacturing method thereof |
| CN104988627A (en) * | 2015-07-09 | 2015-10-21 | 上海兰邦工业纤维有限公司 | High-strength aramid fiber sewing thread with excellent sewing performance |
| CN105177784B (en) * | 2015-10-23 | 2017-09-19 | 际华三五零九纺织有限公司 | Technique that a kind of aramid fiber production high-tenacity is twisted thread and products thereof |
| CN105177784A (en) * | 2015-10-23 | 2015-12-23 | 际华三五零九纺织有限公司 | Technology of producing high-tenacity twisted yarn through aramid fiber and product produced through same |
| CN105506809A (en) * | 2015-12-03 | 2016-04-20 | 上海曙雀贸易有限公司 | Flame retardant molten-drop-resistant high-strength sewing thread |
| CN106435889A (en) * | 2016-08-31 | 2017-02-22 | 际华三五零六纺织服装有限公司 | Flame-retardant and antistatic composite yarn, processing method and opening and twisting device |
| CN106435889B (en) * | 2016-08-31 | 2020-09-29 | 际华三五零六纺织服装有限公司 | Flame-retardant antistatic composite yarn, processing method and opening and twisting device |
| CN106400234A (en) * | 2016-09-13 | 2017-02-15 | 际华三五零九纺织有限公司 | Method for producing ring-spun yarns by blending multi-component flame-retardant fibers with nylon 66 and application of ring-spun yarns |
| CN106400239A (en) * | 2016-09-21 | 2017-02-15 | 帛方纺织有限公司 | A special skeleton composite new material yarn and a preparation method therefor |
| CN106400239B (en) * | 2016-09-21 | 2019-04-12 | 帛方纺织有限公司 | A kind of special type skeleton composite material yarn and preparation method thereof |
| CN111850777A (en) * | 2020-07-27 | 2020-10-30 | 江苏先诺新材料科技有限公司 | High-strength flame-retardant waterproof polyimide fire-fighting fabric and preparation method thereof |
| CN114182408A (en) * | 2021-11-05 | 2022-03-15 | 广东职业技术学院 | Flame-retardant and high-temperature-resistant core-spun yarn and preparation method and application thereof |
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Application publication date: 20140813 |