CN114808461A - Non-aqueous silicon wax finishing agent for polyamide filament sewing thread, preparation method and application thereof - Google Patents
Non-aqueous silicon wax finishing agent for polyamide filament sewing thread, preparation method and application thereof Download PDFInfo
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- CN114808461A CN114808461A CN202210525930.3A CN202210525930A CN114808461A CN 114808461 A CN114808461 A CN 114808461A CN 202210525930 A CN202210525930 A CN 202210525930A CN 114808461 A CN114808461 A CN 114808461A
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- 238000009958 sewing Methods 0.000 title claims abstract description 45
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 38
- 239000010703 silicon Substances 0.000 title claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 31
- 239000004952 Polyamide Substances 0.000 title claims abstract description 22
- 229920002647 polyamide Polymers 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000001993 wax Substances 0.000 claims abstract description 50
- 229920002545 silicone oil Polymers 0.000 claims abstract description 20
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 16
- 239000012188 paraffin wax Substances 0.000 claims abstract description 14
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000004209 oxidized polyethylene wax Substances 0.000 claims abstract description 9
- 235000013873 oxidized polyethylene wax Nutrition 0.000 claims abstract description 9
- 239000001257 hydrogen Substances 0.000 claims abstract description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 8
- 239000002216 antistatic agent Substances 0.000 claims abstract description 7
- 239000000839 emulsion Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 239000004677 Nylon Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 229920001778 nylon Polymers 0.000 claims description 13
- 239000003921 oil Substances 0.000 claims description 13
- 229920001296 polysiloxane Polymers 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 229920000570 polyether Polymers 0.000 claims description 9
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 8
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000003377 acid catalyst Substances 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 229920001289 polyvinyl ether Polymers 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 230000009477 glass transition Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims 1
- 125000003277 amino group Chemical group 0.000 abstract description 2
- 230000001804 emulsifying effect Effects 0.000 abstract description 2
- 125000001033 ether group Chemical group 0.000 abstract description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 abstract description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 150000002431 hydrogen Chemical group 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- WSANZYFPFILJKZ-UHFFFAOYSA-N 1-[2-[bis(2-hydroxypentyl)amino]ethyl-(2-hydroxypentyl)amino]pentan-2-ol Chemical compound CCCC(O)CN(CC(O)CCC)CCN(CC(O)CCC)CC(O)CCC WSANZYFPFILJKZ-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- JZZIHCLFHIXETF-UHFFFAOYSA-N dimethylsilicon Chemical compound C[Si]C JZZIHCLFHIXETF-UHFFFAOYSA-N 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
Images
Classifications
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- 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
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- 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
- D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
-
- 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
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
-
- 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
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/647—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing polyether sequences
-
- 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
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
-
- 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
- D06M2200/50—Modified hand or grip properties; Softening compositions
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- 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 non-aqueous silicon wax finishing agent for a polyamide filament sewing thread, a preparation method and application thereof, wherein the finishing agent comprises the following components in percentage by mass: 65-70% of dimethyl silicone oil, 10-12% of oxidized polyethylene wax, 3-5% of solid paraffin, 0.5-1% of antistatic agent and the balance of organosilicon emulsifier. The emulsifier disclosed by the invention is excellent in emulsifying property, meanwhile, the organic silicon has better flexibility, the smoothness of a sewing thread can be improved, and meanwhile, due to the fact that the emulsifier is structurally provided with a polyoxyethylene ether structure, hydrogen bond combination can be formed with amino groups and other groups on a polyamide sewing thread during oiling, and the combination force is greatly improved.
Description
Technical Field
The invention relates to a non-aqueous silicon wax finishing agent for a polyamide filament sewing thread, a preparation method and application thereof, and belongs to the technical field of finishing after textile printing and dyeing.
Background
Along with the rapid increase of the machine speed of the sewing machine, a needle of the sewing machine punctures the fabric at a high speed, and the high heat (generally more than 600 ℃) generated by the violent friction between the needle and the fabric exceeds the melting point of the polyester fiber, so that the fiber is melted to block needle eyes; meanwhile, the surface oligomers of the dyed polyester fibers are increased, and the friction coefficient is increased, so that the end breakage rate of the polyester sewing threads on a high-speed machine is increased. Therefore, the untreated polyester sewing thread has far failed to satisfy the requirement of high-speed sewing.
The sewing speed is now increased from 2000 stitches/min to 5000 stitches/min or even 7000 stitches/min. The lubricating oil agent for the polyamide sewing thread has super-lubricating and antistatic requirements, ensures that the treated sewing thread is not easy to end when passing through a thread guide and a tensioner, and has good sewing performance and small friction resistance and color change.
The method for processing the sewing threads by using the silicon wax finishing agent is an after-finishing technology of the sewing threads developed in the 80 th century, the finishing agent is an anhydrous emulsion system consisting of the dimethyl silicone oil, the paraffin and the surfactant, and has a plurality of advantages compared with the traditional method for processing the sewing threads by using the white oil and the dimethyl silicone oil, firstly, the advantages of the silicone oil and the paraffin can be fully utilized, and the mutual synergistic effect is achieved; secondly, the oiling rate can be reduced, and the production cost is saved; thirdly, the cleaning amount of the sewing thread can be reduced; fourthly, other components can be added into the anhydrous silicon wax emulsion to improve the quality of the wire.
When the silicon wax finishing agent finishes the nylon embroidery threads, wax forms wax rings on the surface and stays on the online surface, but high temperature is generated by friction during high-speed sewing, and the high temperature is easy to carbonize and coke, so that sewing holes are blocked.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the technical problems in the prior art, the invention provides a non-aqueous silicon wax finishing agent for a polyamide filament sewing thread, a preparation method and application thereof.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the non-aqueous silicon wax finishing agent for the polyamide filament sewing thread comprises the following components in percentage by mass: 65-70% of dimethyl silicone oil, 10-12% of oxidized polyethylene wax, 3-5% of solid paraffin, 0.5-1% of antistatic agent and the balance of organosilicon emulsifier.
The invention also provides a preparation method of the silicon wax finishing agent for the polyamide filament sewing thread, and the preparation method comprises the following steps:
step S1, adding solid paraffin into the organic silicon emulsifier, heating to 90-100 ℃, stirring strongly at the stirring speed of 1500 rpm for 45-60 min;
step S2, adding oxidized polyethylene wax in batches, and strongly stirring for 20-30min at the temperature of 90-100 ℃ to prepare wax emulsion;
step S3, mixing and stirring the dimethyl silicone oil and the antistatic agent; adding into the wax emulsion obtained in step S2, stirring at high speed of 3500 rpm/min for 40-50min to obtain non-aqueous silicone wax emulsion.
In the above technical solution, preferably, the preparation method of the silicone emulsifier for the finishing agent specifically includes the following steps:
step 1), adding hydrogen-terminated silicone oil and allyl polyvinyl ether into a four-port reaction kettle;
and 2), stirring, keeping the reaction temperature at 120-130 ℃, dropwise adding a chloroplatinic acid catalyst into the four-port reaction kettle after the temperature is stable, uniformly mixing the catalysts, keeping the temperature, and reacting for 2-3 hours to obtain the light yellow transparent hydroxyl-terminated organic silicon block polyether.
In the above technical scheme, preferably, the molecular weight of the hydrogen-terminated silicone oil is 800, and the molecular weight of the allyl polyether is 1000.
In the above technical solution, preferably, the molar ratio of the silicon-hydrogen bond to the allyl bond is 1: 1.2.
the invention also provides an application method of the silicon wax finishing agent for the polyamide filament sewing thread, the finishing agent is prepared by the method, the prepared non-aqueous silicon wax emulsion is heated to 65-75 ℃, the clarified silicon wax emulsion is transmitted into an oil pan of an oiling machine through an oil pipeline, the oil pan is heated, the temperature exceeds the glass transition temperature of polyamide, and oiling and finishing are carried out on the polyamide filament sewing thread by a contact method.
In the technical scheme, the oiling speed is preferably 600-700m/min, and the temperature is controlled to be 70-80 ℃.
Compared with the prior art, the silicon wax finishing agent for the polyamide filament sewing thread, the preparation method and the application thereof provided by the invention have the following advantages:
(1) the oxidized polyethylene wax molecular chain is provided with-COOH and-OH, is excellent novel polar wax, is remarkably improved in solubility with dimethyl silicon oil, is superior to polyethylene wax (solid paraffin) in lubricity and dispersibility, and has coupling property; the invention adopts polyoxyethylene wax to replace part of solid paraffin, does not generate soft flow phenomenon (summer) at a high temperature (40 ℃) or above and does not crack at a low temperature (40 ℃) or below (winter), prevents dye from migrating in the forming process of the product, and reduces the fastness.
(2) According to the non-aqueous silicon wax finishing agent for the polyamide filament sewing thread and the preparation method, the self-made organic silicon surfactant is used as the emulsifier of the product, and the dimethyl silicone oil, the solid paraffin and the oxidized polyethylene wax can be uniformly dispersed to achieve the purpose of emulsification.
(3) The non-aqueous silicon wax finishing agent for the polyamide filament sewing thread, the preparation method and the application thereof have the advantages that the emulsifying agent has excellent emulsifying performance, simultaneously, the organic silicon has better flexibility, the smoothness of the sewing thread can be improved, and simultaneously, the emulsifier structurally has a polyoxyethylene ether structure, so that hydrogen bond combination can be formed with amino groups and other groups on the polyamide filament sewing thread during oiling, and the binding force is greatly improved.
Drawings
FIG. 1 is an infrared spectrum of hydrogen-containing silicone oil and allyl polyether modified organosilicon.
FIG. 2 is a nylon yarn without silicone wax.
FIG. 3 shows a nylon yarn treated with silicone wax in the practice of the present invention.
FIG. 4 is a rub test of the wire after finish treatment in an application example of the invention.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation. The conditions not specified in the examples are generally those in routine experiments.
The invention relates to a non-aqueous silicon wax finishing agent for polyamide filament sewing threads, which comprises the following components in percentage by mass: 65-70% of dimethyl silicone oil, 10-12% of oxidized polyethylene wax, 3-5% of solid paraffin, 0.5-1% of antistatic agent and the balance of organosilicon emulsifier.
In this embodiment, the preparation method of the silicone emulsifier specifically includes the following steps:
step 1), adding the terminal hydrogen silicone oil and allyl polyvinyl ether into a four-port reaction kettle, wherein the molecular weight of the terminal hydrogen silicone oil is 800, the molecular weight of the allyl polyether is 1000, and the four-port reaction kettle is provided with a thermometer, a condenser pipe and a stirrer;
step 2), stirring, keeping the reaction temperature at 120-130 ℃, dropwise adding a chloroplatinic acid catalyst into a four-port reaction kettle after the temperature is stable, uniformly mixing the catalysts, keeping the temperature, and reacting for 2-3 hours to obtain light yellow transparent hydroxyl-terminated organic silicon block polyether; the optimal condition for synthesizing the polyether modified organic silicon is that n (si-H) is that n (c) is 1: 1.2, the physical properties of the silicone block polyethers are shown in Table 1.
TABLE 1 physical index
| Content of the index | Test results |
| Appearance of the product | Light yellow transparent liquid |
| Viscosity (25)/mPas | 130～140 |
| Cloud Point/. degree.C | 80～83 |
| CMC(g/L) | 0.163 |
| γ cmc (mN/m) | 24.22 |
In this embodiment, the preparation method of the non-aqueous silicone wax finishing agent for the nylon filament sewing thread is as follows:
step S1, adding solid paraffin into an organic silicon emulsifier, heating to 90-100 ℃, stirring strongly at a stirring speed of 1500 rpm for 45-60min, then adding oxidized polyethylene wax in batches, and stirring strongly for 30min at the same temperature to prepare wax emulsion;
step S2, mixing and stirring the dimethyl silicone oil and the antistatic agent SN, wherein the antistatic agent can improve the antistatic effect of the system; and (4) adding the wax emulsion obtained in the step S21, stirring at a high speed of 3500 rpm/min for 40-50min, and forming a stable non-aqueous silicone wax emulsion by utilizing the characteristic that the structure of the organic silicon emulsifier is similar to that of the dimethyl silicone oil.
The application method of the non-aqueous silicon wax finishing agent for the nylon filament sewing thread comprises the steps of heating the prepared non-aqueous silicon wax emulsion to about 70 ℃, clarifying the emulsion, conveying the clarified emulsion into an oil pan of an oiling machine through an oil conveying pipeline, heating the oil pan, controlling the temperature to be 70-80 ℃, enabling the temperature to exceed the vitrification temperature of nylon, enabling nylon macromolecules to move thermally, enabling silicon oil to enter the inside of fibers, reducing the oiling rate, and reducing the oil seepage phenomenon caused by large-block sewing or embroidery. And simultaneously, high temperature ensures that the wax is not solidified and separated out, and oiling and finishing are carried out on the polyamide sewing thread by a contact method.
The invention relates to a non-aqueous silicon wax finishing agent for polyamide filament sewing threads, a preparation method and application thereof, wherein an oxidized polyolefin wax molecular chain has-COOH and-OH, and the structural formula is H- [ CH 2 CH 2 ] n -OH or H- [ CH 2 CH 2 ] n -COOH, molecular weight of 1000-2000, is a mixture, is a good novel polar wax, is remarkably improved in solubility with dimethyl silicone oil, is superior to polyethylene wax (solid paraffin) in lubricity and dispersibility, and has coupling property; the invention adopts polyoxyethylene wax to replace part of solid paraffin, does not generate soft flow phenomenon (summer) at a high temperature (40 ℃) or above and does not crack at a low temperature (40 ℃) or below (winter), prevents dye from migrating in the forming process of the product, and reduces the fastness.
The above embodiments are merely preferred embodiments of the present invention, which is not intended to limit the present invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (7)
1. The silicon wax finishing agent for the polyamide filament sewing thread is characterized by comprising the following components in parts by mass: 65-70% of dimethyl silicone oil, 10-12% of oxidized polyethylene wax, 3-5% of solid paraffin, 0.5-1% of antistatic agent and the balance of organosilicon emulsifier.
2. A preparation method of a silicon wax finishing agent for nylon filament sewing threads is characterized in that the raw material formula is as in claim 1, and the preparation method comprises the following steps:
step S1, adding solid paraffin into the organic silicon emulsifier, heating to 90-100 ℃, stirring strongly at the stirring speed of 1500 rpm for 45-60 min;
step S2, adding oxidized polyethylene wax in batches, and strongly stirring for 20-30min at the temperature of 90-100 ℃ to prepare wax emulsion;
step S3, mixing and stirring the dimethyl silicone oil and the antistatic agent; adding into the wax emulsion obtained in step S2, stirring at high speed of 3500 rpm/min for 40-50min to obtain non-aqueous silicone wax emulsion.
3. The preparation method of the silicon wax finishing agent for the nylon filament sewing thread according to claim 2, characterized in that the preparation method of the organic silicon emulsifier of the finishing agent specifically comprises the following steps:
step 1), adding hydrogen-terminated silicone oil and allyl polyvinyl ether into a four-port reaction kettle;
and 2), stirring, keeping the reaction temperature at 120-130 ℃, dropwise adding a chloroplatinic acid catalyst into the four-port reaction kettle after the temperature is stable, uniformly mixing the catalysts, keeping the temperature, and reacting for 2-3 hours to obtain the light yellow transparent hydroxyl-terminated organic silicon block polyether.
4. The preparation method of the silicon wax finishing agent for the nylon filament sewing thread according to claim 3, wherein the molecular weight of the hydrogen terminated silicone oil is 800, and the molecular weight of the allyl polyether is 1000.
5. The preparation method of the silicon wax finishing agent for the polyamide filament sewing thread according to claim 3, characterized in that the molar ratio of the silicon-hydrogen bond to the allyl bond is 1: 1.2.
6. an application method of a silicone wax finishing agent for nylon filament sewing threads is characterized in that the finishing agent is prepared by the method of claim 2, the prepared non-aqueous silicone wax emulsion is heated to 65-75 ℃, the clarified silicone wax emulsion is conveyed into an oil pan of an oiling machine through an oil pipeline, the oil pan is heated, the temperature exceeds the glass transition temperature of nylon, and oiling finishing is carried out on the nylon sewing threads by a contact method.
7. The application method of the silicone wax finishing agent for the polyamide filament sewing thread as claimed in claim 6, characterized in that the oiling speed is 600-700m/min, and the temperature is controlled to be 70-80 ℃.
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| CN111074629A (en) * | 2019-12-22 | 2020-04-28 | 浙江理工大学 | Anhydrous silicon wax emulsion for silicon wax finishing agent of high-speed sewing thread, preparation method and application thereof |
| WO2021203556A1 (en) * | 2020-04-09 | 2021-10-14 | 江苏四新科技应用研究所股份有限公司 | Organosilicon composite emulsion defoamer for papermaking industry, and preparation method therefor |
| CN113461970A (en) * | 2021-07-26 | 2021-10-01 | 浙江新安化工集团股份有限公司 | Organic silicon wax emulsion and preparation method thereof |
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