CN103015233B - Process for dyeing ultra-high molecular weight polyethylene fibers - Google Patents
Process for dyeing ultra-high molecular weight polyethylene fibers Download PDFInfo
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- CN103015233B CN103015233B CN201210555769.0A CN201210555769A CN103015233B CN 103015233 B CN103015233 B CN 103015233B CN 201210555769 A CN201210555769 A CN 201210555769A CN 103015233 B CN103015233 B CN 103015233B
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- 239000000835 fiber Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000004043 dyeing Methods 0.000 title claims abstract description 53
- 230000008569 process Effects 0.000 title claims abstract description 37
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 title abstract description 6
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 title abstract description 5
- 239000000975 dye Substances 0.000 claims abstract description 43
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
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- 239000004698 Polyethylene Substances 0.000 claims description 24
- -1 polyethylene Polymers 0.000 claims description 24
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- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 claims description 7
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- XADCESSVHJOZHK-UHFFFAOYSA-N Meperidine Chemical compound C=1C=CC=CC=1C1(C(=O)OCC)CCN(C)CC1 XADCESSVHJOZHK-UHFFFAOYSA-N 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
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- 239000000126 substance Substances 0.000 description 3
- VGKYEIFFSOPYEW-UHFFFAOYSA-N 2-methyl-4-[(4-phenyldiazenylphenyl)diazenyl]phenol Chemical compound Cc1cc(ccc1O)N=Nc1ccc(cc1)N=Nc1ccccc1 VGKYEIFFSOPYEW-UHFFFAOYSA-N 0.000 description 2
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 description 2
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Abstract
The invention discloses a process for dyeing ultra-high molecular weight polyethylene fibers and belongs to the technical field of dyeing of textile materials. The process comprises the steps of pretreatment, dyeing and after treatment; the dyeing step is a step of adding a disperse dye or an acid dye into the pretreated fibers to carry out dyeing under the condition that a leveling agent and a carrier with puffing and plastifying effects exist; and after the dyeing step is finished, dye solution is rapidly drained, freeze water is immediately injected and the after treatment is carried out after treatment is carried out for 5 to 10 minutes. The process for dyeing the ultra-high molecular weight polyethylene fibers, which is disclosed by the invention, has the advantages of high dye-uptake, uniformity for dyeing, simple and convenient process and the like and can be applied to preparation of the colored ultra-high molecular weight polyethylene fibers.
Description
Technical field
The present invention relates to a kind of dyeing of superhigh molecular weight polyethylene fibers, belong to the staining technique field of textile material.
Background technology
Superhigh molecular weight polyethylene fibers (UHMW PE) is also called high-strength and high-modulus weight polyethylene fiber, because of the mechanical property of its excellence, stable chemical property and desirable mechanical performance, as special fibre and high-performance fiber, be widely used in the fields such as Aero-Space, military project machinery, communications and transportation, sports apparatus.But because relative molecular weight is higher, the poly degree of orientation is also higher, and molecules align is regular, and degree of crystallinity is higher, dyeing is difficulty comparatively.At present, conventional method mainly contains two kinds, and a kind of is adopt the method for adding dyeing master batch, and another kind is the method for carrying out modification.The method of adding Masterbatch is added in section by Masterbatch, then melt spinning is carried out, this method can make stock-dye, but compatibility between Masterbatch and section is poor, the rheological characteristic of melt and spinnability are not good, simultaneously, the fibrous inner structure that the introducing of master batch causes subsequent production to obtain is destroyed, fibre strength reduces greatly, the advantage of its high strength cannot be played, in addition this production technology flexibility is poor, and the variety renovation of various look silk comparatively bothers, and thus cannot be applied on a large scale; Adopt the method for modification, as dyeed at supercritical conditions, but reaction condition is harsher, and the fine difference of temperature or pressure all can affect the upper dye situation of final products, thus cannot be able to large-scale application.
Have based on this, make the present invention.
Summary of the invention
The object of the invention is for current superhigh molecular weight polyethylene fibers dyeing is dye by adding pigment colour master batch etc. during spinning, this staining method exists that color is single, grade change time process conditions loaded down with trivial details and some need be possessed just can carry out the problems such as spin dyeing processing, the invention provides that a kind of dye-uptake is high, even dyeing, simple process, be applicable to the dyeing of superhigh molecular weight polyethylene fibers of shades of colour, in enormous quantities or small lot.
For achieving the above object, the technical solution used in the present invention is as follows:
The dyeing of superhigh molecular weight polyethylene fibers, comprise preliminary treatment, upper dye and post processing, described upper dye refers to that pretreated fiber is at levelling agent with have dyeing accelerant that is expanded, plasticization and deposit in case, interpolation DISPERSE DYES or ACID DYES carry out upper dye, after upper dye terminates, dye liquor is drained rapidly, inject chilled water immediately, process after 5-10 minute, carry out post processing.
Technical solution of the present invention further arranges as follows:
Described dyeing accelerant is have dyeing accelerant (model is G-202, producer: Shaoxing Jin Yu textile new technique Co., Ltd) that is expanded, plasticization.
The dyeing temperature of described DISPERSE DYES is 80 DEG C ~ 130 DEG C, preferably 100 DEG C ~ 125 DEG C, more preferably 110 DEG C ~ 120 DEG C, levelling agent adopts high temperature levelling agent, and (model is G-201, producer: Shaoxing Jin Yu textile new technique Co., Ltd) consumption is 0.5% ~ 8%(o.w.f.), preferably 2% ~ 6%(o.w.f.), more preferably 2.5% ~ 4%(o.w.f.), dyeing accelerant G-202 consumption is 1% ~ 15%(o.w.f.), preferably 4% ~ 10%(o.w.f.), more preferably 7% ~ 9%(o.w.f.), dyeing time 20 minutes ~ 180 minutes, preferably 50 minutes ~ 120 minutes, more preferably 60 minutes ~ 80 minutes.
The dyeing temperature of described ACID DYES 80 DEG C ~ 110 DEG C, preferably 90 DEG C ~ 105 DEG C, more preferably 98 DEG C ~ 102 DEG C, levelling agent adopts acid levelling agent (model: TBW-951, producer: Shaoxing dolantin Chemical Co., Ltd.) consumption is 0.5% ~ 8%(o.w.f.), preferably 2% ~ 6%(o.w.f.), more preferably 2.5% ~ 4%(o.w.f.), dyeing accelerant G-202 consumption 1% ~ 15%(o.w.f.), preferably 4% ~ 10%(o.w.f.), more preferably 7% ~ 9%(o.w.f.), dyeing time 30 minutes ~ 150 minutes, preferably 50 minutes ~ 120 minutes, more preferably 70 minutes ~ 90 minutes.
Described chilled water temperature is-5 DEG C ~ 20 DEG C, preferably 0 DEG C ~ 8 DEG C, more preferably 0 DEG C ~ 5 DEG C.
Described preliminary treatment refers to and adopts oxidant to carry out affinity modification to fiber surface, and the processing time is 5 ~ 120 minutes, preferably 5 minutes ~ 30 minutes, more preferably 15 minutes ~ 25 minutes, discharge oxidant, add soft water, be neutralized to neutrality with alkali lye, soft water rinses fiber.
Described oxidant refers to 20%(mass percent) more than sulfuric acid, 20%(mass percent) more than nitric acid or 10%(mass percent) more than potassium permanganate in one; Alkali lye to be concentration be 5% ~ 30% NaOH.
Described sulfuric acid concentration is 50% ~ 100%(mass percent), preferably 85% ~ 95%(mass percent); Concentration of nitric acid is 40% ~ 95%(mass percent), preferably 80% ~ 90%(mass percent).
Described post processing adopts aqueous polyurethane (model: ADM-Z706, producer: Order U.S. (Zibo) macromolecular material Co., Ltd) to carry out fixation after being cleaned by fiber, then through dehydration, oven dry.
Described cleaning is reduction cleaning or soaps, and cleaning temperature is 40 DEG C ~ 90 DEG C, 60 DEG C ~ 85 DEG C, more preferably 70 DEG C ~ 80 DEG C, scavenging period 10 minutes ~ 40 minutes, preferably 15 minutes ~ 30 minutes, more preferably 15 minutes ~ 20 minutes; Aqueous polyurethane consumption 3% ~ 30%(o.w.f.), preferably 6% ~ 18%(o.w.f.), more preferably 10% ~ 15%(o.w.f.), treatment temperature is 20 DEG C ~ 50 DEG C, preferably 30 DEG C ~ 45 DEG C, more preferably 35 DEG C ~ 40 DEG C, 5 minutes ~ 40 minutes processing time, preferably 10 minutes ~ 30 minutes, more preferably 15 minutes ~ 20 minutes; Vacuum drying is taked in oven dry, and bake out temperature is 50 DEG C ~ 100 DEG C, preferably 60 DEG C ~ 90 DEG C, more preferably 70 DEG C ~ 80 DEG C, and vacuum is-0.020MPa ~-0.098MPa, preferably-0.040MPa ~-0.090MPa, more preferably-0.075MPa ~-0.085MPa.
What adopt in described cleaning is reduction cleaner (model: G-271, producer: Shaoxing Jin Yu textile new technique Co., Ltd) or detergent (model: G-261, producer: Shaoxing Jin Yu textile new technique Co., Ltd).
Because polyethylene is a kind of nonpolar molecule, degree of crystallinity is high, strand is formed by connecting by C-C key, what C atom connected is H atom, this structure, completely not containing the polar group of close dyestuff, so the non-constant of the affinity of various dyestuff to its fiber, needs to adopt the method for chemistry or physics to be processed by its fiber surface, fiber surface is made to have the polar group of some, to improve the affinity to dyestuff.The present invention adopts the method for strong oxidizer to carry out modification to fiber surface, strong oxidizer used is the material that sulfuric acid, nitric acid, potassium permanganate etc. have strong oxidizing property, after oxidizer treatment, polar group hydroxyl, the carboxyl of some is formed at fiber surface, make dye molecule have certain affinity to fiber, thus improve dye-uptake and the fastness of dyestuff.Add when dyeing and dyeing accelerant that is expanded, plasticization is risen to fiber, fiber is softened at relatively low temperatures, dye molecule more easily enters fibrous inside, at the end of dyeing, rapidly dye liquor is drained, inject chilled water immediately, expanded fiber is shunk rapidly, dye molecule is embedded in fibrous inside, thus improve fiber color depth and dyefastness.Fiber after dyeing through cleaning, need be removed loose colour, then carries out coated by aqueous polyurethane to fiber, make its fiber surface form the coating film of one deck densification, improve dyefastness further.After aqueous polyurethane process, vacuum drying under dehydration, uniform temperature, winder, through packing warehouse-in after the assay was approved.
Adopt technical solution of the present invention to dye the polyethylene fiber obtained, the indices such as its dye-uptake, dyeing uniformity, washing fastness, light fastness all reach satisfied effect, and the every physical and mechanical property of fiber all reaches ideal effect.
accompanying drawing explanation
Fig. 1 is the dyeing flow figure of ultra-high molecular weight polyethylene of the present invention;
Fig. 2 is the dyeing curve map of embodiment 1;
Fig. 3 is the dyeing curve map of embodiment 2;
Fig. 4 is the dyeing curve map of embodiment 3;
Fig. 5 is the dyeing curve map of embodiment 4;
Fig. 6 is the dyeing curve map of embodiment 5.
Detailed description of the invention
All concrete technology explanation is carried out with the dyeing of the superhigh molecular weight polyethylene fibers of 400D/240F in present embodiment.
(1) preliminary treatment of pretreatment process superhigh molecular weight polyethylene fibers.First in HT-S yarn steaming machine, carry out preshrunk, treatment temperature is 105 DEG C, and the processing time is 80 minutes, and the silk after preshrunk is winder on SSM precision cone winder, and bobbin winder winding speed is 1000 m/min, and tension force is 2cN, and over feed rate(OFR) is 4%.
Fill cage after winder, hang in preliminary treatment cylinder, enter Fiber strength technique.Use 95%(mass percent) sulfuric acid processes fiber surface, 5 minutes processing times.
Acid solution after process squeezes into acid recovery tank, uses through purification Posterior circle.Soft water is added, the 30%(mass percent with 10g/L in preliminary treatment cylinder) NaOH is neutralized to neutrality, and need to enter a soft water again after neutralization and clean one time.
(2) upper dyer's sequence adopts DISPERSE DYES, disperse red FB(power part is 200%, producer: Jiangsu Yabang Dyestuffs Co., Ltd.) addition be 3%(o.w.f.), disperse brilliant blue 2BLN(power part is 100%, producer: Zhejiang Long Sheng dyestuff limited company) addition be 0.5%(o.w.f.), (power part is 100% to disperse yellow brown S-4RL, producer: Hangzhou Fu Yuan textile raw material Co., Ltd) addition be 0.3%(o.w.f.), the consumption of high temperature levelling agent G-201 is 2.5%(o.w.f.); The consumption of dyeing accelerant G-202 is 6%(o.w.f.).
Upper dye temperature is 120 DEG C, is incubated 70 minutes, and insulation terminates rear height row (also referred to as in line), and injects the chilled water cooling of 2 DEG C immediately, runs discharge opeing after 5 minutes.Concrete technology in detail as shown in Figure 2.
(3) postprocessing working procedures enters soft water, add reduction cleaner, reduction cleaning at 70 DEG C, reduction cleaner (model: G-271, producer: Shaoxing Jin Yu textile new technique Co., Ltd) consumption be 0.5%(o.w.f.), 30%(mass percent) consumption of NaOH is 2%(o.w.f.), scavenging period is 10 minutes, after loose colour after upper dye is cleaned up, then enter soft water and clean 1 time.
Then through aqueous polyurethane (model: ADM-Z706, producer: Order U.S. (Zibo) macromolecular material Co., Ltd) fixation, aqueous polyurethane consumption is 10%(o.w.f.), temperature is 35 DEG C, processes after 15 minutes, discharge opeing.
Dewater according to the speed of 800rpm/ minute, then put into 80 DEG C of baking ovens, when temperature rises to 80 DEG C, open vacuum system and carry out vacuum and deviate from residual moisture in a line, vacuum is-0.080MPa, vacuumizes process 50 minutes.Again through winder, inspection, qualified rear packaging, warehouse-in.
The property indices of the coloured superhigh molecular weight polyethylene fibers adopting technical solution of the present invention to obtain, the indexs such as dye-uptake, COLOR FASTNESS, mechanical property refer to table 1.
Table 1 adopts the fibre quality index under embodiment 1 process conditions
Embodiment 2
(1) preliminary treatment of pretreatment process superhigh molecular weight polyethylene fibers.First in HT-S yarn steaming machine, carry out preshrunk, treatment temperature is 110 DEG C, and the processing time is 75 minutes, and the silk after preshrunk is winder on SSM precision cone winder, and the winding speed of bobbin winder is 700 m/min, and tension force is 0.8cN, and over feed rate(OFR) is 2%.
Filling cage after winder, hang in preliminary treatment cylinder, enter Fiber strength technique, use 80%(mass percent) sulfuric acid processes fiber surface, 30 minutes processing times.
Acid solution after process squeezes into acid recovery tank, uses through purification Posterior circle.Soft water is added, the 30%(mass percent with 6g/L in preliminary treatment cylinder) NaOH is neutralized to neutrality, then enter a soft water and clean one time.
(2) upper dyer's sequence adopts DISPERSE DYES, wherein, golden yellow E-3R(power part is disperseed to be 100%, Zhejiang Hua Die dye chemical industry Co., Ltd) addition be 0.95%(o.w.f.), disperse brilliant blue 2BLN(power part is 100%, producer: Zhejiang Long Sheng dyestuff limited company) addition be 0.05%(o.w.f.), (power part is 100% to disperse light yellow 4GL, Tian Bao, Shaoxin City chemical dyestuff Co., Ltd) addition be 2.15%(o.w.f.), the consumption of high temperature levelling agent G-201 is 3.5%(o.w.f.), the consumption of dyeing accelerant G-202 is 8.5%(o.w.f.).
Upper dye temperature is 120 DEG C, is incubated 60 minutes, and insulation terminates rear height row (in line), injects the chilled water cooling of 0 DEG C immediately, runs 8 minutes, discharge opeing.Concrete technology flow process refers to Fig. 3.
(3) postprocessing working procedures enters soft water, reduction cleaning is carried out at 70 DEG C, reduction cleaner (model: G-271, producer: Shaoxing Jin Yu textile new technique Co., Ltd) consumption 0.3%(o.w.f.), 30%(mass percent) consumption of NaOH is 1.8%(o.w.f.), scavenging period is 15 minutes, is cleaned up by the loose colour after upper dye, enters twice soft water again and clean 2 times after reduction cleaning.
Then through aqueous polyurethane fixation, aqueous polyurethane consumption is 15%(o.w.f.), treatment temperature is 35 DEG C, processes after 20 minutes, discharge opeing; In 900rpm/min situation, carry out processed, then put into 80 DEG C of baking ovens, when temperature rises to 80 DEG C, open vacuum system and carry out vacuum and deviate from residual moisture in bobbin, wherein, vacuum is-0.085MPa, vacuumizes process 75 minutes; Again through winder, inspection, qualified rear packaging, warehouse-in.
The property indices of the coloured superhigh molecular weight polyethylene fibers adopting technical solution of the present invention to obtain, the indexs such as dye-uptake, COLOR FASTNESS, mechanical property refer to table 2.
Table 2 adopts the performance indications of fiber under embodiment 2 process conditions
Embodiment 3
(1) preliminary treatment of pretreatment process superhigh molecular weight polyethylene fibers.First in HT-S yarn steaming machine, carry out preshrunk, treatment temperature is 95 DEG C, and the processing time is 120 minutes, and the silk after preshrunk is winder on SSM precision cone winder, and bobbin winder winding speed is 750 m/min, and tension force is 0.3cN, and over feed rate(OFR) is 1%.
Fill cage after winder, hang in preliminary treatment cylinder, enter Fiber strength technique.Use 50%(mass percent) nitric acid processes fiber surface, 25 minutes processing times.
Acid solution after process squeezes into acid recovery tank, uses through purification Posterior circle.Soft water is added, the 30%(mass percent with 4g/L in preliminary treatment cylinder) NaOH is neutralized to neutrality, and need to enter a soft water again after neutralization and clean one time.
(2) upper dyer's sequence adopts DISPERSE DYES, black KS(power part is disperseed to be 150%, Shanghai Jie Pu Dye Co., Ltd) consumption be 1.2%(o.w.f.), disperse violet H-FRL(power part is 100%, Anhui Yabang Chemical Co., Ltd. Changzhou first branch company) consumption be 5.5%(o.w.f.), (power part is 100% to disperse yellow brown S-4RL, Hangzhou Fu Yuan textile raw material Co., Ltd) consumption be 0.2%(o.w.f.), the consumption of high temperature levelling agent G-201 is 4.5%(o.w.f.), the consumption of dyeing accelerant G-202 is 9%(o.w.f.).
Upper dye temperature is 115 DEG C, is incubated 80 minutes, and insulation terminates rear height row (in line), injects the chilled water cooling of 5 DEG C immediately, runs 10 minutes, discharge opeing.Concrete technology refers to Fig. 4.
(3) postprocessing working procedures water inlet, reduction cleaning at 75 DEG C, reduction cleaner (model: G-271, producer: Shaoxing Jin Yu textile new technique Co., Ltd) consumption is 0.5%(o.w.f.), 30%(mass percent) consumption of NaOH is 2%(o.w.f.), 20 minutes time, cleaned up by the loose colour after dyeing, after reduction cleaning, Zai Jin tri-road soft water cleans 3 times.
Then through aqueous polyurethane fixation, aqueous polyurethane consumption is 15%(o.w.f.), treatment temperature is 40 DEG C, and fixation is after 20 minutes, discharge opeing; Dewater under 900rpm/min condition, then put into 75 DEG C of baking ovens, when temperature rises to 75 DEG C, open vacuum system and carry out vacuum and deviate from residual moisture in a line, vacuum is-0.085MPa, and the pumpdown time was at 80 minutes; Again through winder, inspection, qualified rear packaging, warehouse-in.
Embodiment 4
(1) preliminary treatment of pretreatment process superhigh molecular weight polyethylene fibers.First in HT-S yarn steaming machine, carry out preshrunk, treatment temperature is 110 DEG C, and the processing time is 75 minutes, and the silk after preshrunk is winder on SSM precision cone winder, and bobbin winder winding speed is 800 m/min, and tension force is 3.5cN, and over feed rate(OFR) is 5%.
Fill cage after winder, hang in preliminary treatment cylinder, enter Fiber strength technique.Use 95%(mass percent) sulfuric acid processes fiber surface, 8 minutes processing times.
Acid solution after process squeezes into acid recovery tank, uses through purification Posterior circle.Soft water is added, the 30%(mass percent with 10g/L in preliminary treatment cylinder) NaOH is neutralized to neutrality, then enter 2 soft water and clean 2 times.
(2) upper dyer's sequence adopts ACID DYES, acid You Lite red S-GN(power part is 100%, producer: Qingdao Shuan Tao Fine Chemical Co., Ltd) consumption be 5.3%(o.w.f.), acid You Lite yellow S-2G(power part is 100%, producer: Qingdao Shuan Tao Fine Chemical Co., Ltd) consumption be 1.26%(o.w.f.), (power part is 350% to the blue 6B of acid You Lite, producer: Qingdao Shuan Tao Fine Chemical Co., Ltd) consumption be 0.22%(o.w.f.), acid levelling agent TBW-951(Shaoxing dolantin Chemical Co., Ltd.) consumption be 3.5%(o.w.f.), the consumption of dyeing accelerant G-202 is 8%(o.w.f.).
Upper dye temperature is 100 DEG C, is incubated 80 minutes, and insulation terminates rear height row, injects the chilled water cooling of 0 DEG C immediately, runs 6 minutes, discharge opeing.Concrete technology refers to Fig. 5.
(3) postprocessing working procedures enters soft water, clean at 60 DEG C, detergent G-261(producer: Shaoxing Jin Yu textile new technique Co., Ltd) consumption 1.5%(o.w.f.), 15 minutes processing times, loose colour after upper dye is cleaned up, after the cleaning 2 times of intaking again after cleaning; Again through aqueous polyurethane fixation, aqueous polyurethane consumption is 15%(o.w.f.), treatment temperature 30 DEG C, the processing time is 25 minutes, discharge opeing; Dewater under 850rpm/min condition, then put into 80 DEG C of baking ovens, when temperature rises to 80 DEG C, open vacuum system and carry out vacuum and deviate from residual moisture in a line, vacuum is-0.080MPa, vacuumizes process 55 minutes; Again through winder, inspection, qualified rear packaging, warehouse-in.
The property indices of the coloured superhigh molecular weight polyethylene fibers adopting technical solution of the present invention to obtain, the indexs such as dye-uptake, COLOR FASTNESS, mechanical property refer to table 3.
Table 3 adopts the performance indications of fiber under embodiment 4 process conditions
Embodiment 5
(1) preliminary treatment of pretreatment process superhigh molecular weight polyethylene fibers.First in HT-S yarn steaming machine, carry out preshrunk, treatment temperature is 115 DEG C, and the processing time is 75 minutes, and the silk after preshrunk is winder on SSM precision cone winder, and bobbin winder winding speed is 650 m/min, and tension force is 2.5cN, and over feed rate(OFR) is 4%.
Fill cage after winder, hang in preliminary treatment cylinder, enter Fiber strength technique.Use 50%(mass percent) nitric acid processes fiber surface, and the processing time is 25 minutes.
Acid solution after process squeezes into acid recovery tank, uses through purification Posterior circle.Soft water is added, the 30%(mass percent with 4g/L in preliminary treatment cylinder) NaOH is neutralized to neutrality, and need to enter a soft water again after neutralization and clean one time.
(2) upper dyer's sequence adopts ACID DYES, acid You Lite red S-GN(power part is 100%, producer: Qingdao Shuan Tao Fine Chemical Co., Ltd) consumption is 0.7%(o.w.f.), acid You Lite yellow S-2G(power part is 100%, producer: Qingdao Shuan Tao Fine Chemical Co., Ltd) consumption is 0.57%(o.w.f.), acid You Lite blue 6B(power part is 350%, producer: Qingdao Shuan Tao Fine Chemical Co., Ltd) consumption is 3.9%(o.w.f.), acid levelling agent TBW-951(Shaoxing dolantin Chemical Co., Ltd.) consumption be 3.5%(o.w.f.), the consumption of dyeing accelerant G-202 is 8.5%(o.w.f.).
Upper dye temperature is 105 DEG C, is incubated 70 minutes, and insulation terminates rear height row, injects the chilled water cooling of 0 DEG C immediately, runs 10 minutes, discharge opeing.Concrete technology refers to Fig. 6.
(3) postprocessing working procedures enters soft water, cleans, detergent G-261(Shaoxing Jin Yu textile new technique Co., Ltd at 55 DEG C) consumption 2%(o.w.f.), 20 minutes time, the loose colour after upper dye is cleaned up, enters soft water after cleaning again and clean 3 times; Then through aqueous polyurethane fixation, aqueous polyurethane consumption 12%(o.w.f.), treatment temperature is 40 DEG C, processes after 20 minutes, discharge opeing; Dewater under 900rpm/min condition; Then put into 80 DEG C of baking ovens, when temperature rises to 80 DEG C, open vacuum system and carry out vacuum and deviate from residual moisture in a line, vacuum is-0.085MPa, vacuumizes process 50 minutes; Again through winder, inspection, qualified rear packaging, warehouse-in.
The property indices of the coloured superhigh molecular weight polyethylene fibers adopting technical solution of the present invention to obtain, the indexs such as dye-uptake, COLOR FASTNESS, mechanical property refer to table 4.
Table 4 adopts the performance indications of fiber under embodiment 5 process conditions
Comprehensive above-mentioned embodiment, the property indices of the coloured superhigh molecular weight polyethylene fibers adopting technical solution of the present invention to obtain, the indexs all more satisfactory (for 400D/240F) such as dye-uptake, COLOR FASTNESS, mechanical property, refer to table 5.
Table 5 adopts the key property index of technical solution of the present invention fiber
Claims (1)
1. the dyeing of superhigh molecular weight polyethylene fibers, it is characterized in that: comprise preliminary treatment, upper dye and post processing, described preliminary treatment refers to and adopts oxidant to carry out affinity modification to fiber surface, processing time is 5 minutes-120 minutes, discharge oxidant, add soft water, be neutralized to neutrality with alkali lye, soft water rinses fiber; Described upper dye refers to that pretreated fiber is at levelling agent with have under dyeing accelerant that is expanded, plasticization exists situation, interpolation DISPERSE DYES or ACID DYES carry out upper dye, after upper dye terminates, dye liquor is drained rapidly, inject the chilled water of-5 DEG C ~ 20 DEG C immediately, process after 5-10 minute, carry out post processing; Described post processing, after fiber being adopted reduction cleaner or detergent cleaning, adopts aqueous polyurethane to carry out fixation, then through dehydration, oven dry; Wherein, the upper dye temperature of DISPERSE DYES is 80 DEG C ~ 130 DEG C, and the upper dye time is 20 minutes ~ 180 minutes, and levelling agent adopts high temperature levelling agent, consumption is 0.5%(o.w.f.) ~ 8%(o.w.f.), the consumption of dyeing accelerant is 1%(o.w.f.) and ~ 15%(o.w.f.); The upper dye temperature of ACID DYES 80 DEG C ~ 110 DEG C, 30 minutes ~ 150 minutes upper dye time, levelling agent adopts acid levelling agent, and consumption is 0.5%(o.w.f.) ~ 8%(o.w.f.), dyeing accelerant consumption 1%(o.w.f.) ~ 15%(o.w.f.).
2. the dyeing of superhigh molecular weight polyethylene fibers according to claim 1, it is characterized in that: the upper dye temperature of described DISPERSE DYES is 100 DEG C ~ 125 DEG C, the upper dye time is 50 minutes ~ 120 minutes, the consumption of high temperature levelling agent is 2%(o.w.f.) ~ 6%(o.w.f.), dyeing accelerant consumption is 4%(o.w.f.) and ~ 10%(o.w.f.).
3. the dyeing of superhigh molecular weight polyethylene fibers according to claim 1, it is characterized in that: the upper dye temperature of described ACID DYES is 90 DEG C ~ 105 DEG C, the upper dye time is 50 minutes ~ 120 minutes, the consumption of acid levelling agent is 2%(o.w.f.) ~ 6%(o.w.f.), dyeing accelerant consumption is 4%(o.w.f.) and ~ 10%(o.w.f.).
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| CN104278510A (en) * | 2013-07-10 | 2015-01-14 | 宁波大学 | Composite surface modification method for ultra-high molecular weight polyethylene (UHMWPE) fibers |
| CN104278511A (en) * | 2013-07-10 | 2015-01-14 | 宁波大学 | Composite surface modification method for ultra-high molecular weight polyethylene (UHMWPE) fibers |
| CN103938464A (en) * | 2014-04-18 | 2014-07-23 | 湖州诚鑫纺织印染有限公司 | Dye for overflow dyeing |
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| CN102776596A (en) * | 2011-05-13 | 2012-11-14 | 北京同益中特种纤维技术开发有限公司 | Spinning swelling solution used for preparation of ultra-high molecular weight colored polyethylene fiber and spinning stock solution |
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