CN111764152A - Manufacturing method of low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape - Google Patents
Manufacturing method of low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape Download PDFInfo
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- CN111764152A CN111764152A CN202010650314.1A CN202010650314A CN111764152A CN 111764152 A CN111764152 A CN 111764152A CN 202010650314 A CN202010650314 A CN 202010650314A CN 111764152 A CN111764152 A CN 111764152A
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- fastening tape
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- retardant
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 97
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000000779 smoke Substances 0.000 title claims abstract description 37
- 239000004677 Nylon Substances 0.000 title claims abstract description 34
- 229920001778 nylon Polymers 0.000 title claims abstract description 34
- 231100000053 low toxicity Toxicity 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000004140 cleaning Methods 0.000 claims abstract description 67
- 239000011248 coating agent Substances 0.000 claims abstract description 58
- 238000000576 coating method Methods 0.000 claims abstract description 58
- 239000000853 adhesive Substances 0.000 claims abstract description 43
- 230000001070 adhesive effect Effects 0.000 claims abstract description 43
- 239000012224 working solution Substances 0.000 claims abstract description 21
- 238000002791 soaking Methods 0.000 claims abstract description 20
- 238000004043 dyeing Methods 0.000 claims description 49
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 48
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 39
- 239000003795 chemical substances by application Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 25
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 16
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 16
- 239000003995 emulsifying agent Substances 0.000 claims description 13
- 229920005749 polyurethane resin Polymers 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000007598 dipping method Methods 0.000 claims description 8
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 abstract description 8
- 239000004744 fabric Substances 0.000 abstract description 6
- 231100000419 toxicity Toxicity 0.000 abstract description 3
- 230000001988 toxicity Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000005470 impregnation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012847 fine chemical Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000009270 zilongjin Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
- A44B18/0069—Details
- A44B18/0092—Details flame retardant
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a manufacturing method of a low-cost low-smoke low-toxicity flame-retardant nylon fastening tape, which comprises the steps of cleaning a fastening tape fabric, then soaking halogen-free environment-friendly flame-retardant working solution, and performing coating finishing on the back surface of a tissue of the fastening tape without adding a flame retardant into a coating adhesive to obtain the low-cost low-smoke low-toxicity flame-retardant nylon fastening tape; the low-cost, low-smoke and low-toxicity flame-retardant nylon fastening tape disclosed by the invention has the advantages that no powder is separated out on the adhesive surface, no oil overflows, the longitudinal tearing strength is small, the adhesive and a fabric tissue are solidified into a whole, the tearing brittleness is realized, the fastening tape tissue is stable, the fatigue resistance is improved, less white smoke is emitted during combustion, the smoke is light, the smoke toxicity is low, the cost is low, the flame-retardant index meets the requirement, the flame-retardant nylon fastening tape is used for interior trim fasteners of vehicles, the service performance is improved, and the safety of personnel and the environment is improved.
Description
The technical field is as follows:
the invention relates to a processing method of a fastening tape, in particular to a manufacturing method of a low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape.
Secondly, background art:
the flame-retardant fastening tape which is circulated in the market at present is widely applied to fasteners in vehicles such as airplanes and automobiles, when the fastening tape is processed, flame-retardant powder is generally added into coating glue, after the flame-retardant powder is added, the glue has a flame-retardant function, but when the flame-retardant powder is burnt, smoke smell is heavy, toxicity is high, optical density is high, and the flame-retardant fastening tape is harmful to personnel and environment safety, meanwhile, the glue surface of the fastening tape has powder precipitation, an oil spilling phenomenon exists, the appearance is not beautiful, the tearing strength is large, the glue and fabric tissue are not well cured, the tearing brittleness is avoided, the tissue of the fastening tape is not stable, and the fatigue resistance.
In order to overcome the defects, the inventor previously applies a manufacturing method of a low-smoke low-toxicity flame-retardant nylon fastening tape, and the problem can be effectively solved by adding flame-retardant liquid into coating glue. However, the flame-retardant liquid is expensive, more than 200 yuan per kilogram, and less than 25 yuan per kilogram of common powder, so that the product competitiveness is not strong due to high cost, and the flame-retardant liquid is difficult to be marketed.
Thirdly, the invention content:
in order to overcome the defects, the invention aims to provide a method for manufacturing the low-cost, low-smoke and low-toxicity flame-retardant nylon fastening tape.
In the manufacturing method of the low-cost, low-smoke and low-toxicity flame-retardant nylon fastening tape, firstly, the nylon fastening tape is cleaned, subjected to flame retardant dipping finishing and subjected to coating finishing (without adding a flame retardant), wherein the cleaning steps are as follows:
A. preparing a cleaning finishing liquid:
the concentration of the caustic soda flakes PJ is 0.05-0.30g/L, the concentration of the emulsifier is 0.15-1.00g/L, and 100 kg of water is added;
B. adding the prepared cleaning finishing liquid into a dip dyeing machine, and circulating the cleaning liquid in the dip dyeing machine for 2-15 minutes; and then heating the cleaning working solution to 60-95 ℃, putting the fastening tape into the dip dyeing machine, circularly cleaning for 10-30 minutes in the dip dyeing machine, taking the fastening tape out of the dip dyeing machine, dehydrating for 1-5 minutes, putting the fastening tape into the dip dyeing machine, circularly cleaning for 2-15 minutes in warm water at 30-55 ℃, and dehydrating for 2-10 minutes.
In the invention, the caustic soda flakes PJ (Wuxi Daitai Co., Ltd.) are dissolved by cold water, and then the dissolved caustic soda flakes aqueous solution and the emulsifier LF-100 (Bailong Taibei Co., Ltd.) are added into a dip dyeing machine to form the cleaning working solution.
Optionally, in the manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape, the cleaning steps are as follows:
A. preparing a cleaning finishing liquid:
the concentration of the caustic soda flakes PJ is 0.08-0.25g/L, the concentration of the emulsifier is 0.25-0.80g/L, and 100 kg of water is added to prepare the mixture;
B. adding the prepared cleaning finishing liquid into a dip dyeing machine to form cleaning working liquid, and circulating the cleaning liquid in the dip dyeing machine for 2-10 minutes; and then heating the cleaning working solution to 70-90 ℃, putting the magic tape into the dip dyeing machine, circularly cleaning for 10-20 minutes, taking the magic tape out of the dip dyeing machine, dehydrating for 1-4 minutes, putting the magic tape into the dip dyeing machine, circularly cleaning for 2-10 minutes in warm water at 30-50 ℃, and dehydrating for 2-8 minutes.
Preferably, in the method for manufacturing the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape, the cleaning step is as follows:
A. preparing a cleaning finishing liquid:
the concentration of the caustic soda flakes PJ is 0.08-0.20g/L, the concentration of the emulsifier is 0.35-0.70g/L, and 100 kg of water is added to prepare the mixture;
B. adding the prepared cleaning finishing liquid into a dip dyeing machine to form cleaning working liquid, and circulating the cleaning liquid in the dip dyeing machine for 3-8 minutes; and then heating the cleaning working solution to 75-90 ℃, putting the fastening tape into the dip dyeing machine, circularly cleaning for 10-20 minutes, taking the fastening tape out of the dip dyeing machine, dehydrating for 1-3 minutes, putting the fastening tape into the dip dyeing machine, circularly cleaning for 3-8 minutes in warm water at 30-50 ℃, and dehydrating for 2-5 minutes.
In the manufacturing method of the low-cost, low-smoke and low-toxicity flame-retardant nylon fastening tape, the flame retardant is subjected to dipping and finishing by the following steps: soaking the fastening tape for 1-6 hours at 40-70 ℃ by using a flame-retardant finishing agent, and dehydrating the fastening tape for 1-6 minutes after the soaking is finished, wherein the formula of the flame-retardant finishing agent is as follows:
n-fire retardant 4.0-7.0% (the fire retardant accounts for the mass percentage of the fastening tape)
3-8mL/L isopropanol
The bath ratio (mass of the fastening tape/mass of the water) is 1: 5-20.
In the invention, the N-fire retardant is produced by Ningdu chemical products Co.Ltd in Dongguan city.
Optionally, in the manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape, the flame retardant is subjected to dipping and finishing by the following steps: soaking the fastening tape for 2-4 hours at 50-70 ℃ by using a flame-retardant finishing agent, and dehydrating the fastening tape for 3-5 minutes after the soaking is finished, wherein the formula of the flame-retardant finishing agent is as follows:
n-fire retardant 4.5-6.0% (the fire retardant accounts for the mass percentage of the fastening tape)
5-6mL/L isopropanol
The bath ratio (mass of the fastening tape/mass of the water) is 1: 10-15.
Preferably, in the manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape, the flame retardant is subjected to dipping and finishing by the following steps: soaking the fastening tape for 2-4 hours at 50-60 ℃ by using a flame-retardant finishing agent, and dehydrating the fastening tape for 3-5 minutes after the soaking is finished, wherein the formula of the flame-retardant finishing agent is as follows:
n-fire retardant 4.5-6.0% (the fire retardant accounts for the mass percentage of the fastening tape)
5-6mL/L isopropanol
The bath ratio (mass of the fastening tape/mass of the water) is 1: 10-15.
In the manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape, the coating finishing steps are as follows: coating adhesive on the back surface of the texture of the fastening tape, drying the fastening tape subjected to the adhesive coating for 2-8 minutes at 140 ℃ in a drying machine after coating, and baking for 1-10 minutes at 200 ℃ in 150-2The formula of the coating adhesive is as follows:
60-140 parts of YC-1800KA polyurethane resin
Methyl ethyl ketone MEK 30-80 weight portions
10-40 parts of CA-800D bridging agent.
In the present invention, the YC-1800KA polyurethane resin used is produced by the highly tripod fine chemical industry (Kunshan) Co., Ltd, the butanone MEK is produced by the Wuyu chemical industry Co., Ltd, and the CA-800D bridging agent is produced by the highly tripod fine chemical industry (Kunshan) Co., Ltd.
Optionally, in the manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape, the coating finishing step is as follows: coating adhesive on the back surface of the texture of the fastening tape, drying the fastening tape subjected to the adhesive coating for 2-6 minutes at the temperature of 100-120 ℃ in a drying machine after coating, and baking for 1-6 minutes at the temperature of 150-180 ℃ to finally obtain the adhesive fixing amount of 15-30g/m2The formula of the coating adhesive is as follows:
85-120 parts of YC-1800KA polyurethane resin
35-65 parts of methyl ethyl ketone MEK
15-35 parts of CA-800D bridging agent.
Preferably, in the manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape, the coating finishing step is as follows: coating the adhesive on the back surface of the texture of the fastening tape by using a coating adhesive, after the coating is finished, drying the adhesive tape subjected to the adhesive coating in a drying machine at the temperature of 100-30g/m2The formula of the coating adhesive is as follows:
95-120 parts by weight of YC-1800KA polyurethane resin
40-60 parts of methyl ethyl ketone MEK
20-30 parts of CA-800D bridging agent.
When the flame-retardant fastening tape is manufactured, the fabric of the fastening tape is cleaned firstly, so that the problem of fluffing and discontinuity of the fastening tape is improved on one hand, the absorption fastness of a flame retardant on the fastening tape after the flame-retardant working solution is soaked on the other hand, then the flame-retardant working solution is soaked, and then the back surface of the ground tissue of the fastening tape is coated with glue to obtain the low-cost, low-smoke and low-toxicity flame-retardant nylon fastening tape. Meanwhile, the adhesive surface of the fastening tape has no powder precipitation, no oil overflow and small longitudinal tearing strength, the adhesive and the fabric tissue are solidified into a whole, the adhesive tape has tearing brittleness, the fastening tape tissue is stable, the fatigue resistance is improved, the adhesive tape is used for the interior decoration fastener of the vehicle, the service performance is improved, and the safety of personnel and environment is improved.
In the manufacturing method of the low-cost low-smoke low-toxicity flame-retardant nylon fastening tape, the fastening tape is cleaned in a dip dyeing machine, so that the problem of fluffing and discontinuity of the fastening tape is solved, and the absorption fastness of a flame retardant on the fastening tape after the flame-retardant working solution is dipped is improved; then, soaking the fastening tape by using a flame retardant at a certain temperature to enable the flame retardant to be adsorbed on the fiber surface of the fastening tape, and then dehydrating; and then, gluing and coating the back of the dried fastening tape by using polyurethane resin and an auxiliary agent on a gluing machine, and finally drying and baking the gluing tape subjected to gluing and coating in a dryer.
In the present invention, all raw materials and equipment are commercially available, and the finishing agent is prepared by a method conventional in the art, if not specified.
Fourthly, the specific implementation mode:
the invention will be further illustrated by the following specific examples in which the manufacturers of the chemicals used are as described above, but which are not intended to limit the invention.
Example 1
1. Dissolving caustic soda flakes PJ with cold water, adding the dissolved caustic soda flakes aqueous solution and an emulsifier LF-100 into a dip dyeing machine to form a cleaning working solution, and circulating the cleaning solution in the dip dyeing machine for 5 minutes. The concentration of the caustic soda flakes in the cleaning working solution is 0.10g/L, the concentration of the emulsifier is 0.45g/L, and 100 kg of water is added for preparation. Heating the cleaning working solution to 80 ℃, putting the magic tape into the dip dyeing machine, circularly cleaning for 15 minutes, taking the magic tape out of the dip dyeing machine, dehydrating for 2 minutes, putting the magic tape into the dip dyeing machine, circularly cleaning for 5 minutes in warm water at 40 ℃, and dehydrating for 3 minutes.
2. And (3) soaking the fastening tape for 4 hours at the temperature of 50 ℃ by using the flame-retardant finishing agent, and dehydrating the fastening tape for 3-5 minutes after the soaking is finished. The formula of the flame-retardant finishing agent is as follows:
n-fire retardant 4.5% (the fire retardant accounts for the mass percentage of the fastening tape)
Isopropanol 5mL/L
Bath ratio (mass of fastening tape/mass of water) 1:10
And (4) dewatering the fastening tape for 3 minutes after the impregnation is finished.
3. Coating the fastening tape with the coating adhesive, drying the fastening tape subjected to sizing coating at 100 ℃ for 5 minutes in a dryer after coating, and baking at 170 ℃ for 3 minutes to finally obtain the fastening amount of the coating adhesive of the fastening tape of 20g/m2The formula of the coating adhesive is as follows:
YC-1800KA polyurethane resin 95 parts by weight
Methyl ethyl ketone MEK 40 weight portions
20 parts of CA-800D bridging agent.
Example 2
1. Dissolving caustic soda flakes PJ with cold water, adding the dissolved caustic soda flakes aqueous solution and an emulsifier LF-100 into a dip dyeing machine to form a cleaning working solution, and circulating the cleaning solution in the dip dyeing machine for 8 minutes. The concentration of the caustic soda flakes in the cleaning working solution is 0.13g/L, the concentration of the emulsifier is 0.48g/L, and 100 kg of water is added for preparation. Heating the cleaning working solution to 83 ℃, putting the fastening tape into the dip dyeing machine, circularly cleaning for 18 minutes, taking the fastening tape out of the dip dyeing machine, dehydrating for 3 minutes, putting the fastening tape into the dip dyeing machine, circularly cleaning for 8 minutes in warm water at 43 ℃, and dehydrating for 4 minutes.
2. And (3) soaking the fastening tape for 3 hours at the temperature of 55 ℃ by using the flame-retardant finishing agent, and dehydrating the fastening tape for 4 minutes after the soaking is finished. The formula of the flame-retardant finishing agent is as follows:
n-fire retardant 5% (the fire retardant accounts for the mass percentage of the fastening tape)
Isopropanol 5.5mL/L
Bath ratio (mass of fastening tape/mass of water) 1:12
And (4) dewatering the fastening tape for 4 minutes after the impregnation is finished.
3. Coating the fastening tape with the coating adhesive, drying the fastening tape subjected to sizing coating at 110 ℃ for 4 minutes in a dryer after coating, and baking at 175 ℃ for 2 minutes to finally obtain the fastening amount of the coating adhesive of the fastening tape of 25g/m2The formula of the coating adhesive is as follows:
100 parts by weight of YC-1800KA polyurethane resin
Methyl ethyl ketone MEK 50 weight portions
25 parts of CA-800D bridging agent.
Example 3:
1. dissolving caustic soda flakes PJ with cold water, adding the dissolved caustic soda flakes aqueous solution and an emulsifier LF-100 into a dip dyeing machine to form cleaning working solution, adding water to prepare 100 kg of the cleaning working solution, and circulating the cleaning solution in the dip dyeing machine for 10 minutes. The concentration of the alkali in the cleaning working solution is 0.15g/L, and the concentration of the emulsifier is 0.50 g/L. Heating the cleaning working solution to 85 ℃, putting the magic tape into the dip dyeing machine, circularly cleaning for 20 minutes, taking the magic tape out of the dip dyeing machine, dehydrating for 3 minutes, putting the magic tape into the dip dyeing machine, circularly cleaning for 10 minutes in warm water at 45 ℃, and dehydrating for 5 minutes.
2. And (3) soaking the fastening tape for 2 hours at the temperature of 69 ℃ by using the flame-retardant finishing agent, and dehydrating the fastening tape for 5 minutes after the soaking is finished. The formula of the flame-retardant finishing agent is as follows:
n-fire retardant 6% (the fire retardant accounts for the mass percentage of the fastening tape)
Isopropanol 6mL/L
Bath ratio (mass of fastening tape/mass of water) 1:15
And (5) dehydrating the fastening tape for 5 minutes after the impregnation is finished.
3. Coating the fastening tape with the coating adhesive, drying the fastening tape coated with the adhesive in a dryer at 120 ℃ for 3 minutes after coating, and baking at 180 ℃ for 1 minute to finally obtain the fastening amount of the coating adhesive of the fastening tape of 30g/m2The formula of the coating adhesive is as follows:
120 parts by weight of YC-1800KA polyurethane resin
Methyl ethyl ketone MEK 60 weight portions
30 parts of CA-800D bridging agent.
The experiment results of comparing the flame retardant performance (flame retardant effect is judged according to the technical specification BSS 7238: 1997 of the Boeing company in America) and other performances of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape disclosed by the invention with the existing flame-retardant nylon fastening tape are shown in Table 1.
TABLE 1
As can be seen from Table 1, the low-smoke low-toxicity flame-retardant nylon fastening tape sample disclosed by the invention has the advantages that the flame-retardant effect completely meets the standard, white smoke with light concentration is emitted when the fastening tape is burnt, the escape way and the surrounding environment can be seen clearly, the smoke smell is light, the smoke toxicity is reduced, and the health injury is reduced. Meanwhile, the adhesive surface of the fastening tape has no powder precipitation and no oil spill, the longitudinal tearing strength is smaller than 30N (the value is preferably smaller than 30N), the adhesive and the fabric tissue are solidified into a whole, the adhesive has tearing brittleness, the fastening tape tissue is stable, the fatigue resistance is improved, the adhesive is used for the interior decoration fastener of the vehicle, the use performance is improved, the cost is lower, and the market competition is facilitated.
Claims (9)
1. A manufacturing method of a low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape is characterized in that the nylon fastening tape is cleaned, subjected to flame retardant dipping finishing and subjected to coating finishing, wherein the cleaning step comprises the following steps:
A. preparing a cleaning finishing liquid:
the concentration of the caustic soda flakes PJ is 0.05-0.30g/L, the concentration of the emulsifier is 0.15-1.00g/L, and 100 kg of water is added;
B. adding the prepared cleaning finishing liquid into a dip dyeing machine, and circulating the cleaning liquid in the dip dyeing machine for 2-15 minutes; and then heating the cleaning working solution to 60-95 ℃, putting the fastening tape into the dip dyeing machine, circularly cleaning for 10-30 minutes in the dip dyeing machine, taking the fastening tape out of the dip dyeing machine, dehydrating for 1-5 minutes, putting the fastening tape into the dip dyeing machine, circularly cleaning for 2-15 minutes in warm water at 30-55 ℃, and dehydrating for 2-10 minutes.
2. The manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape according to claim 1, characterized in that the cleaning steps are as follows:
A. preparing a cleaning finishing liquid:
the concentration of the caustic soda flakes PJ is 0.08-0.25g/L, the concentration of the emulsifier is 0.25-0.80g/L, and 100 kg of water is added to prepare the mixture;
B. adding the prepared cleaning finishing liquid into a dip dyeing machine to form cleaning working liquid, and circulating the cleaning liquid in the dip dyeing machine for 2-10 minutes; and then heating the cleaning working solution to 70-90 ℃, putting the magic tape into the dip dyeing machine, circularly cleaning for 10-20 minutes, taking the magic tape out of the dip dyeing machine, dehydrating for 1-4 minutes, putting the magic tape into the dip dyeing machine, circularly cleaning for 2-10 minutes in warm water at 30-50 ℃, and dehydrating for 2-8 minutes.
3. The manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape according to claim 2, characterized in that the cleaning steps are as follows:
A. preparing a cleaning finishing liquid:
the concentration of the caustic soda flakes PJ is 0.08-0.20g/L, the concentration of the emulsifier is 0.35-0.70g/L, and 100 kg of water is added to prepare the mixture;
B. adding the prepared cleaning finishing liquid into a dip dyeing machine to form cleaning working liquid, and circulating the cleaning liquid in the dip dyeing machine for 3-8 minutes; and then heating the cleaning working solution to 75-90 ℃, putting the fastening tape into the dip dyeing machine, circularly cleaning for 10-20 minutes, taking the fastening tape out of the dip dyeing machine, dehydrating for 1-3 minutes, putting the fastening tape into the dip dyeing machine, circularly cleaning for 3-8 minutes in warm water at 30-50 ℃, and dehydrating for 2-5 minutes.
4. The manufacturing method of the low-cost low-smoke low-toxicity flame-retardant nylon fastening tape according to claim 1, characterized in that the flame retardant dipping and finishing steps are as follows: soaking the fastening tape for 1-6 hours at 40-70 ℃ by using a flame-retardant finishing agent, and dehydrating the fastening tape for 1-6 minutes after the soaking is finished, wherein the formula of the flame-retardant finishing agent is as follows:
4.0 to 7.0 percent of N-fire retardant
3-8mL/L isopropanol
The bath ratio is 1: 5-20.
5. The manufacturing method of the low-cost low-smoke low-toxicity flame-retardant nylon fastening tape according to claim 4, characterized in that the flame retardant dipping and finishing steps are as follows: soaking the fastening tape for 2-4 hours at 50-70 ℃ by using a flame-retardant finishing agent, and dehydrating the fastening tape for 3-5 minutes after the soaking is finished, wherein the formula of the flame-retardant finishing agent is as follows:
4.5 to 6.0 percent of N-fire retardant
5-6mL/L isopropanol
The bath ratio is 1: 10-15.
6. The manufacturing method of the low-cost low-smoke low-toxicity flame-retardant nylon fastening tape according to claim 4, characterized in that the flame retardant dipping and finishing steps are as follows: soaking the fastening tape for 2-4 hours at 50-60 ℃ by using a flame-retardant finishing agent, and dehydrating the fastening tape for 3-5 minutes after the soaking is finished, wherein the formula of the flame-retardant finishing agent is as follows:
4.5 to 6.0 percent of N-fire retardant
5-6mL/L isopropanol
The bath ratio is 1: 10-15.
7. The manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape according to claim 1, characterized in that the coating finishing steps are as follows: coating adhesive on the back surface of the texture of the fastening tape, drying the fastening tape subjected to the adhesive coating for 2-8 minutes at 140 ℃ in a drying machine after coating, and baking for 1-10 minutes at 200 ℃ in 150-2The formula of the coating adhesive is as follows:
60-140 parts of YC-1800KA polyurethane resin
Methyl ethyl ketone MEK 30-80 weight portions
10-40 parts of CA-800D bridging agent.
8. The manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape according to claim 7, characterized in that the coating finishing steps are as follows: coating adhesive on the back surface of the texture of the fastening tape, drying the fastening tape subjected to the adhesive coating for 2-6 minutes at the temperature of 100-120 ℃ in a drying machine after coating, and baking for 1-6 minutes at the temperature of 150-180 ℃ to finally obtain the adhesive fixing amount of 15-30g/m2The formula of the coating adhesive is as follows:
85-120 parts of YC-1800KA polyurethane resin
35-65 parts of methyl ethyl ketone MEK
15-35 parts of CA-800D bridging agent.
9. The manufacturing method of the low-cost, low-smoke, low-toxicity and flame-retardant nylon fastening tape according to claim 7, characterized in that the coating finishing steps are as follows: coating the adhesive on the reverse side of the texture of the fastening tape by using a coating adhesive, after the coating is finished, drying the adhesive tape subjected to the adhesive coating in a drying machine at the temperature of 100-120 ℃ for 3-5 minutes, and baking at the temperature of 170-180 ℃ for 1-3 minutes to finally obtain the adhesive fixing amount of the coating adhesive of the fastening tape of 20-30g/m2The formula of the coating adhesive is as follows:
95-120 parts by weight of YC-1800KA polyurethane resin
40-60 parts of methyl ethyl ketone MEK
20-30 parts of CA-800D bridging agent.
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| CN112921469A (en) * | 2021-01-20 | 2021-06-08 | 无锡百和织造股份有限公司 | Unidirectional moisture-conducting concave-convex stripe ribbon and manufacturing method thereof |
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