CN111304906A - Method for eliminating static electricity in carpet bottom cloth processing process - Google Patents
Method for eliminating static electricity in carpet bottom cloth processing process Download PDFInfo
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- CN111304906A CN111304906A CN202010180572.8A CN202010180572A CN111304906A CN 111304906 A CN111304906 A CN 111304906A CN 202010180572 A CN202010180572 A CN 202010180572A CN 111304906 A CN111304906 A CN 111304906A
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- static electricity
- polypropylene fiber
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- carpet
- bottom cloth
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000003068 static effect Effects 0.000 title claims abstract description 41
- 230000005611 electricity Effects 0.000 title claims abstract description 39
- 239000004744 fabric Substances 0.000 title claims abstract description 39
- 230000008569 process Effects 0.000 title claims abstract description 26
- 238000012545 processing Methods 0.000 title claims abstract description 23
- -1 polypropylene Polymers 0.000 claims abstract description 65
- 239000004743 Polypropylene Substances 0.000 claims abstract description 61
- 229920001155 polypropylene Polymers 0.000 claims abstract description 61
- 239000000835 fiber Substances 0.000 claims abstract description 60
- 239000002216 antistatic agent Substances 0.000 claims abstract description 33
- 238000011282 treatment Methods 0.000 claims abstract description 30
- 239000007970 homogeneous dispersion Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000008367 deionised water Substances 0.000 claims abstract description 17
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000009941 weaving Methods 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 11
- 230000004048 modification Effects 0.000 claims abstract description 10
- 238000012986 modification Methods 0.000 claims abstract description 10
- 229920002472 Starch Polymers 0.000 claims abstract description 9
- 235000013336 milk Nutrition 0.000 claims abstract description 9
- 239000008267 milk Substances 0.000 claims abstract description 9
- 210000004080 milk Anatomy 0.000 claims abstract description 9
- 235000019698 starch Nutrition 0.000 claims abstract description 9
- 239000008107 starch Substances 0.000 claims abstract description 9
- 239000006185 dispersion Substances 0.000 claims abstract description 8
- 238000011221 initial treatment Methods 0.000 claims abstract description 5
- 230000009466 transformation Effects 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 39
- 239000002041 carbon nanotube Substances 0.000 claims description 38
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 38
- 230000005855 radiation Effects 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 38
- 238000009210 therapy by ultrasound Methods 0.000 claims description 19
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 18
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 7
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 claims description 6
- FMRHJJZUHUTGKE-UHFFFAOYSA-N Ethylhexyl salicylate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1O FMRHJJZUHUTGKE-UHFFFAOYSA-N 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- 229940081733 cetearyl alcohol Drugs 0.000 claims description 6
- 229940068171 ethyl hexyl salicylate Drugs 0.000 claims description 6
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims description 6
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 14
- 229920003023 plastic Polymers 0.000 abstract description 14
- 230000000052 comparative effect Effects 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 7
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000002715 modification method Methods 0.000 description 5
- 235000010413 sodium alginate Nutrition 0.000 description 5
- 239000000661 sodium alginate Substances 0.000 description 5
- 229940005550 sodium alginate Drugs 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004595 color masterbatch Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/08—Organic compounds
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- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
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- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
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Abstract
The invention discloses a method for eliminating static electricity in the processing process of carpet bottom cloth, which comprises the following steps: treating the uniform dispersion liquid: adding polypropylene fiber into the homogeneous dispersion liquid, and then placing the homogeneous dispersion liquid in a space with a cylindrical variable magnetic field distributed oppositely, wherein the transformation frequency is 1500-; preparing an antistatic agent, and treating the polypropylene fibers with the antistatic agent; deep modification of polypropylene fiber: placing the polypropylene fiber subjected to primary treatment in starch milk, then performing irradiation treatment, then washing for 2-3 times by using deionized water, and finally drying the washed polypropylene fiber; weaving the carpet base fabric: and (4) drawing the polypropylene fiber treated in the step four, and weaving the drawn polypropylene fiber into the carpet base fabric. The method can eliminate the static electricity of the plastic yarn without affecting the overall performance of the yarn.
Description
Technical Field
The invention relates to the technical field of carpet base cloth production, in particular to a method for eliminating static electricity in the processing process of carpet base cloth.
Background
Plastics bring convenience to human life and bring pollution, only a few of plastics in the world are recycled, most of plastic wastes flow into the nature, and the plastic products are very difficult to degrade and cause serious white pollution to the environment. Because of serious plastic pollution, each country, especially China, needs to consume a large amount of manpower and material resources to recycle the plastics every year, and the recycled plastic products are recycled.
The plastic weaving technology can process recycled plastic into woven fabric, the plastic woven fabric is widely applied in life due to the characteristics of flexibility, firmness and low cost, such as clothes, shelters, carpet backing fabrics, lawn backing fabrics and the like, and the plastic weaving industry is currently very important in the plastic reprocessing industry of China.
The carpet backing fabric is produced by using polypropylene as a relatively large amount of material, polypropylene fibers can generate static electricity in the process of drawing and weaving, in order to remove the static electricity, an antistatic agent is added into the polypropylene fibers in the prior art, but the addition of the antistatic agent can influence the overall performances of the carpet backing fabric such as weather resistance and the like.
The prior Chinese patent document publication No. CN107385546A discloses a colored polyester filament yarn for eliminating static electricity and a preparation method thereof, relating to the technical field of textile manufacturing and being prepared from the following raw materials in percentage by weight: 92-97% of basic resin, 0.5-1% of antistatic agent, 0.5-2% of smoothing agent, 0.3-2% of color master batch and 1-3% of carrier, wherein the antistatic agent is added in the production of the polyester filament yarn, and the addition of the antistatic agent can influence the overall performances of the polyester filament yarn, such as weather resistance and the like, so that the treatment needs to be further improved.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a method for eliminating static electricity in the carpet bottom cloth processing process, which can eliminate the static electricity of plastic yarns under the condition of not influencing the overall performance of the yarns.
The technical scheme is as follows: in order to achieve the purpose, the invention provides the following technical scheme:
a method for eliminating static electricity in the processing process of carpet bottom cloth comprises the following steps:
step one, dispersing treatment: adding polypropylene fiber into the homogeneous dispersion liquid, and then placing the homogeneous dispersion liquid in a space with a cylindrical variable magnetic field distributed oppositely, wherein the transformation frequency is 1500-;
step two, preparing an antistatic agent: adding ethylhexyl salicylate into glycerol, adding cetearyl alcohol, stirring at the rotation speed of 100-;
step three, treating the polypropylene fibers with an antistatic agent: sending the polypropylene fiber treated by the uniform dispersion liquid in the step one into an antistatic agent, firstly stirring at the rotating speed of 100-500r/min for 30-40min, and then applying alternating current for treatment to obtain the polypropylene fiber subjected to primary treatment;
step four, polypropylene fiber deep modification: placing the polypropylene fiber subjected to primary treatment in starch milk, then performing irradiation treatment, then washing for 2-3 times by using deionized water, and finally drying the washed polypropylene fiber;
step five, weaving the carpet base fabric: and (4) drawing the polypropylene fiber treated in the step four, and weaving the drawn polypropylene fiber into the carpet base fabric.
Further, the preparation method of the homogeneous dispersion liquid in the step one comprises the following steps: adding acetyl tributyl citrate into deionized water, then adding sodium dodecyl sulfate, stirring for 20-30min at the rotating speed of 500r/min and 100-.
Further, the power of the ultrasonic wave in the ultrasonic treatment is 500-1000 KHz.
Further, the power of ultrasonic wave in the ultrasonic treatment is 750 KHz.
Further, the modification method of the modified helical carbon nanotube comprises the steps of adding the helical carbon nanotube into a silane coupling agent KH560 for ultrasonic dispersion for 10-20min, wherein the ultrasonic power is 300-.
Further, the current magnitude of the alternating current controlled by the alternating current processing in the third step is 0.4-0.8A.
Further, the current magnitude of the alternating current controlled by the alternating current processing in the third step is 0.6A.
Further, the irradiation in the fourth step adopts60CorAnd (4) treating by using a radiation source.
Further, the60CorThe total radiation dose in the radiation source treatment is 4.0-8.0kGy, the radiation metering rate is 32-38Gy/min, and the radiation time is 0.2-0.8 h.
Further, the60CorThe total radiation dose in the radiation source treatment is 6.0kGy, the radiation metering rate is 35Gy/min, and the radiation time is 0.5 h.
Has the advantages that: the invention has the following beneficial effects:
1) the polypropylene fiber with static electricity is firstly placed in the dispersing liquid for treatment, the polypropylene fiber can be firstly moistened by the sodium dodecyl sulfate surfactant added into the nano diatomite in the preparation of the dispersing liquid, the nano diatomite has a lamellar structure, the moistening effect on the polypropylene fiber can be improved in the sodium alginate, the static electricity can be removed by the static removing agent after the nano diatomite is moistened, finally, the nano diatomite is deeply modified, the primary product is placed in the starch milk, and then, the irradiation treatment is carried out, so that the static electricity can be completely removed.
2) The modified spiral carbon nano tube added into the antistatic agent has ultrahigh surface area, can be wound in polypropylene fiber in a spiral manner to completely remove static electricity, and does not change the property of the polypropylene fiber matrix.
3) The starch milk adopted in the deep modification of the antistatic agent aims at partially removing static electricity which is not removed before, and softening the polypropylene fiber by the other part to fill up the damage of the surface structure of the polypropylene fiber in the static electricity removal process before, thereby ensuring the basic performance of the polypropylene fiber.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1:
the embodiment relates to a method for eliminating static electricity in the processing process of carpet bottom cloth, which comprises the following steps:
step one, dispersing treatment: adding polypropylene fiber into the homogeneous dispersion liquid, and then placing the homogeneous dispersion liquid in a space with a cylindrical variable magnetic field distributed oppositely, wherein the transformation frequency is 1500-;
step two, preparing an antistatic agent: adding ethylhexyl salicylate into glycerol, adding cetearyl alcohol, stirring at a rotating speed of 100r/min for 35min, adding polydimethylsiloxane and the modified helical carbon nanotube, continuing stirring at a rotating speed of 1000r/min for 1h, and stirring to obtain an antistatic agent;
step three, treating the polypropylene fibers by using an antistatic agent: feeding the polypropylene fiber treated by the uniform dispersion liquid in the step one into an antistatic agent, stirring for 30min at the rotating speed of 100r/min, and then applying alternating current to treat to obtain a primary product;
step four, polypropylene fiber deep modification: placing the primary product in starch milk, then carrying out irradiation treatment, then washing for 2 times by using deionized water, and drying after washing:
step five, weaving the carpet base fabric: and (4) drawing the polypropylene fiber treated in the step four, and weaving the drawn polypropylene fiber into the carpet base fabric.
The preparation method of the homogeneous dispersion in the first step of this embodiment is as follows: adding acetyl tributyl citrate into deionized water, then adding sodium dodecyl sulfate, stirring at the rotating speed of 100r/min for 20min, then adding nano-diatomite, carrying out ultrasonic treatment for 10min, finishing the ultrasonic treatment, finally adding a sodium alginate solution, and continuing stirring at the rotating speed of 200r/min for 20 min.
The power of the ultrasonic wave in the ultrasonic treatment of the embodiment is 500 KHz.
The modification method of the modified helical carbon nanotube of the embodiment includes the steps of adding the helical carbon nanotube into a silane coupling agent KH560 for ultrasonic dispersion for 10min with an ultrasonic power of 300W, then placing the helical carbon nanotube into a reaction kettle to keep a temperature of 90 ℃ and a pressure of 10MPa, stirring the helical carbon nanotube at a rotating speed of 1000r/min for 20min, ultrasonically washing the helical carbon nanotube for 1 time with deionized water after stirring, with an ultrasonic power of 100W, finishing the ultrasonic treatment, and drying the helical carbon nanotube to obtain the modified helical carbon nanotube.
The current magnitude of the alternating current controlled by the alternating current processing in the third step of this embodiment is 0.4A.
Irradiation in step four of the present example60CorAnd (4) treating by using a radiation source.
Of the present embodiment60CorThe total radiation dose in the radiation source treatment is 4.0kGy, the radiation metering rate is 32Gy/min, and the radiation time is 0.2 h.
Example 2:
the embodiment relates to a method for eliminating static electricity in the processing process of carpet bottom cloth, which comprises the following steps:
step one, dispersing treatment: adding polypropylene fiber into the homogeneous dispersion, and then placing the homogeneous dispersion in a space with a cylindrical variable magnetic field distributed in opposite directions, wherein the conversion frequency is 2500r/min, and the magnetic induction intensity is 0.85T;
step two, preparing an antistatic agent: adding ethylhexyl salicylate into glycerol, adding cetearyl alcohol, stirring at the rotating speed of 200r/min for 45min, adding polydimethylsiloxane and modified helical carbon nanotubes, continuing stirring at the rotating speed of 1500r/min for 2h, and obtaining an antistatic agent after stirring;
step three, treating the polypropylene fibers by using an antistatic agent: feeding the polypropylene fiber treated by the uniform dispersion liquid in the step one into an antistatic agent, stirring at the rotating speed of 500r/min for 40min, and then applying alternating current to treat to obtain an initial product;
step four, polypropylene fiber deep modification: placing the primary product in starch milk, then carrying out irradiation treatment, then washing for 3 times by using deionized water, and drying after washing;
step five, weaving the carpet base fabric: and (4) drawing the polypropylene fiber treated in the step four, and weaving the drawn polypropylene fiber into the carpet base fabric.
The preparation method of the homogeneous dispersion in the first step of this embodiment is as follows: adding acetyl tributyl citrate into deionized water, then adding sodium dodecyl sulfate, stirring at the rotating speed of 500r/min for 30min, then adding nano-diatomite, carrying out ultrasonic treatment for 20min, ending the ultrasonic treatment, finally adding a sodium alginate solution, and continuing stirring at the rotating speed of 280r/min for 30 min.
The power of the ultrasonic wave in the ultrasonic treatment of the embodiment is 1000 KHz.
The modification method of the modified helical carbon nanotube of the embodiment includes the steps of adding the helical carbon nanotube into a silane coupling agent KH560 for ultrasonic dispersion for 20min, wherein the ultrasonic power is 500W, then placing the helical carbon nanotube into a reaction kettle, keeping the temperature at 90 ℃ and the pressure at 10MPa, then stirring the helical carbon nanotube at a rotating speed of 2000r/min for 30min, after the stirring is finished, ultrasonically washing the helical carbon nanotube for 2 times by using deionized water, wherein the ultrasonic power is 200W, after the ultrasonic washing is finished, and drying the helical carbon nanotube to obtain the modified helical carbon nanotube.
The current magnitude of the alternating current controlled by the alternating current processing in the third step of this embodiment is 0.8A.
The current magnitude of the alternating current controlled by the alternating current processing in the third step of this embodiment is 0.6A.
Irradiation in step four of the present example60CorAnd (4) treating by using a radiation source.
Of the present embodiment60CorThe total radiation dose in the radiation source treatment is 8.0kGy, the radiation metering rate is 38Gy/min, and the radiation time is 0.8 h.
Example 3:
the embodiment relates to a method for eliminating static electricity in the processing process of carpet bottom cloth, which comprises the following steps:
step one, dispersing treatment: adding polypropylene fiber into the homogeneous dispersion, and then placing the homogeneous dispersion in a space with a cylindrical variable magnetic field distributed in opposite directions, wherein the conversion frequency is 2000r/min, and the magnetic induction intensity is 0.70T;
step two, preparing an antistatic agent: adding ethylhexyl salicylate into glycerol, adding cetearyl alcohol, stirring at the rotating speed of 150r/min for 40min, adding polydimethylsiloxane and the modified helical carbon nanotube, continuing stirring at the rotating speed of 1250r/min for 1.5h, and obtaining the antistatic agent after stirring;
step three, treating the polypropylene fibers by using an antistatic agent: sending the polypropylene fiber treated by the dispersion liquid homogenizing treatment in the step one into an antistatic agent, stirring at the rotating speed of 300r/min for 35min, and then applying alternating current to treat to obtain a primary product;
step four, polypropylene fiber deep modification: placing the primary product in starch milk, then carrying out irradiation treatment, then washing for 3 times by using deionized water, and drying after washing;
step five, weaving the carpet base fabric: and (4) drawing the polypropylene fiber treated in the step four, and weaving the drawn polypropylene fiber into the carpet base fabric.
The preparation method of the homogeneous dispersion in the first step of this embodiment is as follows: adding acetyl tributyl citrate into deionized water, then adding sodium dodecyl sulfate, stirring at the rotating speed of 300r/min for 25min, then adding nano-diatomite, carrying out ultrasonic treatment for 15min, ending the ultrasonic treatment, finally adding a sodium alginate solution, and continuing stirring at the rotating speed of 240r/min for 25 min.
The power of the ultrasonic wave in the ultrasonic treatment of the embodiment is 750 KHz.
The modification method of the modified helical carbon nanotube of the embodiment includes the steps of adding the helical carbon nanotube into a silane coupling agent KH560 for ultrasonic dispersion for 15min, wherein the ultrasonic power is 400W, then placing the helical carbon nanotube into a reaction kettle, keeping the temperature at 90 ℃ and the pressure at 10MPa, stirring the helical carbon nanotube at a rotating speed of 1500r/min for 25min, ultrasonically washing the helical carbon nanotube for 2 times by using deionized water after stirring, wherein the ultrasonic power is 150W, finishing the ultrasonic treatment, and drying the helical carbon nanotube to obtain the modified helical carbon nanotube.
The current magnitude of the alternating current controlled by the alternating current processing in the third step of this embodiment is 0.6A.
Irradiation in step four of the present example60CorAnd (4) treating by using a radiation source.
Of the present embodiment60CorThe total radiation dose in the radiation source treatment is 6.0kGy, the radiation metering rate is 35Gy/min, and the radiation time is 0.5 h.
Example 4:
the embodiment relates to a method for eliminating static electricity in the processing process of carpet bottom cloth, which comprises the following steps:
step one, dispersing treatment: adding polypropylene fiber into the homogeneous dispersion, and then placing the homogeneous dispersion in a space with a cylindrical variable magnetic field distributed oppositely, wherein the conversion frequency is 1600/min, and the magnetic induction intensity is 0.70T;
step two, preparing an antistatic agent: adding ethylhexyl salicylate into glycerol, adding cetearyl alcohol, stirring at a rotating speed of 140r/min for 39min, adding polydimethylsiloxane and the modified helical carbon nanotube, continuing stirring at a rotating speed of 1200r/min for 1.2h, and obtaining the antistatic agent after stirring;
step three, treating the polypropylene fibers by using an antistatic agent: feeding the polypropylene fiber treated by the uniform dispersion liquid in the step one into an antistatic agent, stirring for 32min at the rotating speed of 200r/min, and then applying alternating current to treat to obtain an initial product;
step four, polypropylene fiber deep modification: placing the primary product in starch milk, then carrying out irradiation treatment, then washing for 2 times by using deionized water, and drying after washing;
step five, weaving the carpet base fabric: and (4) drawing the polypropylene fiber treated in the step four, and weaving the drawn polypropylene fiber into the carpet base fabric.
The preparation method of the homogeneous dispersion in the first step of this embodiment is as follows: adding acetyl tributyl citrate into deionized water, then adding sodium dodecyl sulfate, stirring at the rotating speed of 200r/min for 25min, then adding nano-diatomite, carrying out ultrasonic treatment for 12min, ending the ultrasonic treatment, finally adding a sodium alginate solution, and continuing stirring at the rotating speed of 220r/min for 23 min.
The power of the ultrasonic wave in the ultrasonic treatment of this embodiment is 600 KHz.
The modification method of the modified helical carbon nanotube of the embodiment includes the steps of adding the helical carbon nanotube into a silane coupling agent KH560 for ultrasonic dispersion for 14min with ultrasonic power of 350W, then placing the helical carbon nanotube into a reaction kettle to keep the temperature at 90 ℃ and the pressure at 10MPa, stirring the helical carbon nanotube at the rotating speed of 1200r/min for 24min, ultrasonically washing the helical carbon nanotube for 2 times with deionized water after stirring, with ultrasonic power of 140W, finishing the ultrasonic treatment, and drying the helical carbon nanotube to obtain the modified helical carbon nanotube.
The current magnitude of the alternating current controlled by the alternating current processing in the third step of this embodiment is 0.5A.
Irradiation in step four of the present example60CorAnd (4) treating by using a radiation source.
Of the present embodiment60CorThe total radiation dose in the radiation source treatment is 4.0-8.0kGy, the radiation metering rate is 34Gy/min, and the radiation time is 0.3 h.
Comparative example 1:
the material and preparation process are basically the same as those of example 3, except that the modified helical carbon nanotube in the antistatic agent is changed into graphite.
Comparative example 2:
the material and preparation process are basically the same as those of example 3, except that the polypropylene fiber is not subjected to deep modification treatment.
Comparative example 3:
basically the same materials and preparation process as those in example 3, except that the antistatic agent is added by the method of example 1 in the colored polyester filament yarn for eliminating static electricity disclosed in chinese patent publication No. CN 107385546A.
The static dissipative process of examples 1-4 and comparative examples 1-3 were used to test the performance of carpet backing with the results shown in table 1:
TABLE 1
| Group of | Static electricity removal rate (%) | Waterproof (grade) |
| Example 1 | 75 | 1 |
| Example 2 | 73 | 1 |
| Example 3 | 78 | 1 |
| Example 4 | 728 | 1 |
| Comparative example 1 | 57 | 1 |
| Comparative example 2 | 68 | 1 |
| Comparative example 3 | 51 | 2 |
TABLE 1
As can be seen from Table 1, the carpet backing fabrics of the present invention in examples 1-4 and comparative examples 1-3 of the present invention have excellent waterproof performance, the static electricity removal rate in example 3 can reach 78%, while the static electricity removal rate in comparative example 3 can reach 51%, and the static electricity removal rate in example 3 is improved by 37% compared with that in comparative example 3, so that the carpet backing fabric has a significant static electricity removal effect.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (10)
1. A method for eliminating static electricity in the processing process of carpet bottom cloth is characterized by comprising the following steps:
step one, dispersing treatment: adding polypropylene fiber into the homogeneous dispersion liquid, and then placing the homogeneous dispersion liquid in a space with a cylindrical variable magnetic field distributed oppositely, wherein the transformation frequency is 1500-;
step two, preparing an antistatic agent: adding ethylhexyl salicylate into glycerol, adding cetearyl alcohol, stirring at the rotation speed of 100-;
step three, treating the polypropylene fibers with an antistatic agent: sending the polypropylene fiber treated by the uniform dispersion liquid in the step one into an antistatic agent, firstly stirring at the rotating speed of 100-500r/min for 30-40min, and then applying alternating current for treatment to obtain the polypropylene fiber subjected to primary treatment;
step four, polypropylene fiber deep modification: placing the polypropylene fiber subjected to primary treatment in starch milk, then performing irradiation treatment, then washing for 2-3 times by using deionized water, and finally drying the washed polypropylene fiber;
step five, weaving the carpet base fabric: and (4) drawing the polypropylene fiber treated in the step four, and weaving the drawn polypropylene fiber into the carpet base fabric.
2. The method for eliminating static electricity in the process of processing the carpet bottom cloth according to claim 1, wherein the method for preparing the uniform dispersion liquid in the first step is as follows: adding acetyl tributyl citrate into deionized water, then adding sodium dodecyl sulfate, stirring for 20-30min at the rotating speed of 500r/min and 100-.
3. The method as claimed in claim 2, wherein the ultrasonic power in the ultrasonic treatment is 500-1000 KHz.
4. The method for eliminating static electricity in the carpet bottom cloth processing process according to claim 3, wherein the power of ultrasonic waves in the ultrasonic treatment is 750 KHz.
5. The method for eliminating static electricity during the process of processing the carpet bottom cloth as claimed in claim 1, wherein the method for modifying the modified spiral carbon nanotube comprises the steps of adding the spiral carbon nanotube into a silane coupling agent KH560 for ultrasonic dispersion for 10-20min with an ultrasonic power of 300-.
6. The method for eliminating static electricity in the process of manufacturing the carpet bottom cloth according to claim 1, wherein the magnitude of the alternating current controlled by the alternating current treatment in the third step is 0.4-0.8A.
7. The method for eliminating static electricity in the process of processing the carpet bottom cloth according to claim 6, wherein the current magnitude of the alternating current controlled by the alternating current treatment in the step three is 0.6A.
8. A carpet underpad as claimed in claim 7, which has been processedThe method for eliminating static electricity in the process is characterized in that the irradiation in the fourth step adopts60CorAnd (4) treating by using a radiation source.
9. The method of claim 8 wherein said step of removing static electricity during processing of said primary carpet backing comprises the step of removing static electricity from said primary carpet backing by a static electricity removal process60CorThe total radiation dose in the radiation source treatment is 4.0-8.0kGy, the radiation metering rate is 32-38Gy/min, and the radiation time is 0.2-0.8 h.
10. The process for eliminating static electricity in the process of manufacturing carpet bottom cloth according to claim 9, wherein the process comprises the step of heating the carpet bottom cloth to a temperature below the melting point of the static electricity60CorThe total radiation dose in the radiation source treatment is 6.0kGy, the radiation metering rate is 35Gy/min, and the radiation time is 0.5 h.
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