CN119913752B - Spinning oil composition, spinning oil, and preparation method and application thereof - Google Patents
Spinning oil composition, spinning oil, and preparation method and application thereofInfo
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Abstract
本发明涉及高分子材料制备技术领域，具体涉及一种纺丝油剂组合物、纺丝油剂及其制备方法和应用；以重量份剂，该组合物包括：聚氧乙烯脂肪酸酯：20‑30份；氢化蓖麻油聚氧乙烯醚：8‑10份；烷基硅油：25‑35份；聚醚硅油：8‑15份；烷基聚氧乙烯醚磷酸酯盐：5‑8份；烷基硫代丁二酸盐：7‑10份；十二烷基磷酸酯盐：7‑10份；环氧乙烷‑环氧丙烷嵌段共聚物：3‑6份；聚氧乙烯季铵盐：5‑8份；渗透剂：2‑4份。本发明所述纺丝油剂可以显著改善聚乙烯纤维纺丝的集束性、抗静电性和乳化性，从而有效解决聚乙烯纤维在纺丝过程中的一系列问题，包括集束性差、静电压大和容易缠辊等。This invention relates to the field of polymer material preparation technology, specifically to a spinning oil composition, a spinning oil agent, its preparation method, and its application. By weight, the composition comprises: polyoxyethylene fatty acid ester: 20-30 parts; hydrogenated castor oil polyoxyethylene ether: 8-10 parts; alkyl silicone oil: 25-35 parts; polyether silicone oil: 8-15 parts; alkyl polyoxyethylene ether phosphate salt: 5-8 parts; alkyl thiosuccinate: 7-10 parts; dodecyl phosphate salt: 7-10 parts; ethylene oxide-propylene oxide block copolymer: 3-6 parts; polyoxyethylene quaternary ammonium salt: 5-8 parts; and a penetrant: 2-4 parts. The spinning oil agent of this invention can significantly improve the bundling, antistatic, and emulsifying properties of polyethylene fibers during spinning, thereby effectively solving a series of problems in the spinning process of polyethylene fibers, including poor bundling, high static voltage, and easy entanglement on rollers.
Description
Technical Field
The invention relates to the technical field of preparation of high polymer materials, in particular to a spinning oil composition, a spinning oil and a preparation method and application thereof.
Background
Ultra High Molecular Weight Polyethylene (UHMWPE) fibers, from the beginning of the 80 s of the last century, become outstanding figure as a new generation of high strength, high modulus fibers. People favor the third-generation high-strength high-modulus fiber after the carbon fiber and the aramid fiber, and the characteristics of light weight, high strength and high modulus are attractive. Moreover, such fibers are gaining popularity for their excellent properties of low temperature resistance, abrasion resistance, uv radiation resistance, low coefficient of friction, impact resistance, cut resistance, low dielectric constant, high specific energy absorption, high electromagnetic wave transmittance, and the like.
However, although UHMWPE fibers have many excellent properties, the high specific resistance of UHMWPE fibers makes them prone to static electricity during spinning, which has been a major problem in spinning high performance polyethylene fibers. The excessive static electricity easily causes the increase of hairiness on the surface of the fiber in the processing process, and even the leather roller and the roller can be wound in the drawing stage, so that the drawing end breakage and the pipe blockage are caused. In addition, the phenomenon of winding the leather roller is easy to occur in the roving stage, and hairiness on the surface of the roving is increased. These conditions all make it difficult to continuously spin the high performance UHMWPE fibers.
In the prior art, the polyethylene fiber is required to be subjected to oil spraying and standing treatment before spinning, but the continuous industrial production is not favored. In addition, the common high-speed spinning oil can not meet the process requirements of superfine fibers, and a series of problems such as filament dispersion, broken filaments, broken ends and the like can occur, and the problems seriously affect spinnability and product grade rate. Thus, the finish has become a major obstacle to the industrial production of UHMWPE by high-speed spinning. Uniform oiling is a precondition for stably playing various functions of the oiling agent. Whether the oiling agent can be uniformly attached to the surface of each fiber directly influences the friction behavior between the yarn and the contact part. If the oiling is uneven or too little, the spinning tension fluctuation and even the phenomena of broken filaments and broken ends are caused. Especially for superfine UHMWPE fiber, the oiling uniformity is important due to the large specific surface area, the large number of fiber and low strength. Uniform oiling is closely related to the wettability and surface tension of the finish. In general, the faster the wetting speed, the lower the surface tension, the more uniform the application of oil. The wettability of the oil is mainly determined by the structure of the polyether monomer, and the type of the polyether terminal initiator, the structure of the ether chain and the like have obvious influence on the wettability.
The UHMWPE high-speed spinning fiber is easy to damage in the processing process because of the characteristics of fineness, high processing speed and multiple working procedures. Considering the problems of uniform oiling, the influence of the oiling agent on the fiber structure, mechanical property, friction disc, biodegradability, oil film strength and the like, the oiling agent formula is carefully designed from the relation of the oiling agent structure and the performance, and a stable oiling agent formula is developed through pilot scale and pilot scale. The innovation not only solves the spinnability problem of UHMWPE high-speed spinning and improves the first-class product rate of the fiber, but also carries out deep research on the basic problem in the development and production of domestic chemical fiber oiling agents, and has positive significance for improving the research level of the domestic chemical fiber oiling agents. With the development of the spinning process from low speed to high speed, the requirements of the spinning speed on the oiling agent are also more and more strict. In order to meet the requirement, it is important to develop a high-quality spinning oil agent matched with a high-speed spinning process. According to the special requirements of the high-speed spinning process on the oiling agent, the problems of bundling, static resistance, friction characteristics and the like are mainly solved, and the oiling agent specially designed for UHMWPE fiber high-speed spinning is developed. The oil agent ensures that the first quality of the silk is up to 97%, and the quality and the production efficiency of the fiber are obviously improved.
CN114232139a discloses a carbon fiber oiling agent for dry-jet wet spinning precursor and a preparation method thereof, the oiling agent is mainly composed of amino modified silicone oil, epoxy modified silicone oil, polyether modified silicone oil, ternary polymerization silicone oil, composite emulsifying agent, deionized water and other components, is an oil-in-water type aqueous microemulsion, has the particle size of 50-500 nm, can be well matched with a dry-jet wet spinning process, can uniformly oil the precursor in a short time, is not easy to stick to a roller in the stages of drying densification, steam drafting and the like, is not deformed in winding, has less filament quantity, has better spinning manufacturability, is not adhered in the pre-oxidation and low-temperature carbonization stages, has less filament quantity, high carbonization strength and small discrete coefficient. The method has the characteristics of green environmental protection, good safety, high production efficiency, stable quality and the like, is suitable for mass production of the polyacrylonitrile dry-jet wet spinning process, but is not yet industrially popularized and applied at present.
The CN115928443A discloses a carbon fiber oiling agent which comprises, by mass, 3-14 parts of quaternized modified silicone oil, 5-33 parts of amino modified silicone oil, 3-14 parts of epoxy modified silicone oil, 5-15 parts of emulsifier+organic solvent, 1-5 parts of auxiliary agent and 60-70 parts of deionized water, wherein the quaternized modified silicone oil comprises one or more of hydroxyl, polyether modified quaternized silicone oil, alkoxy modified quaternized silicone oil and aminoethylaminopropyl modified quaternized silicone oil. The carbon fiber coated and produced by the oiling agent has the advantages of high tensile breaking strength, low impurity content, good fiber splitting property, low hairiness in production and use and the like, but is only suitable for carbon fibers at present.
CN116103790a discloses a heat-resistant high-compatibility carbon fiber precursor oiling agent and a preparation method thereof. Comprises modified siloxane, an emulsifying agent, a nonionic antistatic agent, an antioxidant and deionized water; the modified siloxane is prepared by modifying polyvinyl polysiloxane through thioglycollic acid ethanolamine ester. The modified siloxane grafts carboxyl, amino and hydroxyl through the addition reaction of sulfhydryl and double bond, has strong heat resistance, reduces the content of silicon and has high compatibility. The carbon fiber precursor oil prepared from the modified siloxane has heat resistance, greatly reduces broken wires and knitting wool in the pre-oxidation process, has high compatibility, can enhance the adhesion capability and the adhesion uniformity of polyacrylonitrile fibers, and is prepared into carbon fibers with higher linear density and bundle wire strength, but is only suitable for the carbon fibers at present.
CN114214841a discloses a heat-resistant antistatic carbon fiber oiling agent, and preparation and application thereof, and aims to solve the technical problems of large fiber hairiness and the like caused by poor antistatic effect and poor fiber protection effect at high temperature of the existing carbon fiber oiling agent. The heat-resistant antistatic carbon fiber oiling agent is prepared by taking a substance A with ester groups and ether functional groups as a base and adding a surfactant, ether silicone oil, an emulsifying aid and the like, has higher heat resistance, lubrication and water solubility, is liquid below 300 ℃ and is a flexible film at 350 ℃, can well protect the carbon fiber in a carbon fiber pre-oxidation stage and at low temperature carbonization, and solves the technical problems that the conventional carbon fiber oiling agent product is easy to glue, has a large number of adhesive rolls and filaments and is difficult to consider antistatic performance, but is not suitable for UHMWPE fibers.
CN115992402a discloses a wear-resistant vinylon fiber oiling agent and a preparation method thereof. The wear-resistant vinylon fiber oiling agent comprises, by weight, 7-12 parts of fatty alcohol polyoxyethylene ether, 11-13 parts of polyethylene glycol 400 monostearate, 5-7 parts of xylitol fatty acid ester, 5-10 parts of L-44 polyether, 5-10 parts of castor oil polyoxyethylene ether and 18-23 parts of isotridecyl alcohol phosphate. The oiling agent solves the technical problem that the performance of the wear-resistant vinylon fiber is not satisfied with the application requirement due to the lack of a special oiling agent, can be applied to the practical operation of the processing production of the wear-resistant vinylon fiber, can eliminate the electrostatic influence, and ensures that the spinning production process using the wear-resistant vinylon fiber is carried out stably. But are currently only applicable to vinylon fibers.
Disclosure of Invention
The application aims to overcome the inherent characteristics of high internal stress, high resistance, poor bundling property of tows, high elasticity, high static electricity during processing, easy roller sticking and the like of polyethylene fibers in the prior art, and provides a spinning oil composition, a spinning oil and a preparation method and application thereof. The spinning oil provided by the application is used for spinning ultra-high molecular weight polyethylene fibers, and has more excellent spinning process control effect and fiber product performance so as to improve the performance of subsequent fiber products.
In order to achieve the above object, the first aspect of the present invention provides a spin finish composition comprising, in parts by weight:
20-30 parts of polyoxyethylene fatty acid ester;
8-10 parts of hydrogenated castor oil polyoxyethylene ether;
25-35 parts of alkyl silicone oil;
8-15 parts of polyether silicone oil;
5-8 parts of alkyl polyoxyethylene ether phosphate;
7-10 parts of alkyl thiosuccinate;
7-10 parts of dodecyl phosphate;
3-6 parts of ethylene oxide-propylene oxide block copolymer;
5-8 parts of polyoxyethylene quaternary ammonium salt;
2-4 parts of penetrating agent.
In a second aspect, the invention provides a method of preparing a spin finish comprising admixing the components of the composition described above.
The third aspect of the invention provides a spinning oil prepared by the preparation method.
The fourth aspect of the invention provides an application of the spinning oil in polyethylene fiber spinning.
The spinning oil can obviously improve the bundling property, antistatic property and emulsifying property of polyethylene fiber spinning, thereby effectively solving a series of problems of polyethylene fiber in the spinning process, including poor bundling property, large electrostatic voltage, easy winding and the like.
The use verification of the spinning oil provided by the invention on a 30 ton/year ultra-high molecular weight polyethylene spinning production line shows that the ultra-high molecular weight polyethylene fiber using the spinning oil has good bundling property, good stretching condition and good forming property, bright tow gloss and small oil smell, and the phenomenon of oil-free agent impurity deposition and color master batch pigment precipitation on post-spinning equipment can be met, and the product quality can meet the use requirement.
The successful application of the technology not only provides powerful guarantee for the production of the ultra-high molecular weight polyethylene fiber, but also fills the gap in the market.
The invention has the remarkable effects that:
firstly, the spinning performance and antistatic performance of the ultra-high molecular weight polyethylene fiber are improved, the disturbance in the spinning process is reduced, and the stretching performance of the fiber is ensured:
secondly, the prestretched fiber is sufficiently surface-wetted to improve bundling property and antistatic property, reduce friction with contact objects such as metal and the like, reduce fuzzing and reduce (hot) winding.
Thirdly, the flexibility of the ultra-high molecular weight fiber fabric is improved, and the processing and forming of subsequent products are facilitated.
Detailed Description
The endpoints and any values of the ranges disclosed herein are not limited to the precise range or value, and are understood to encompass values approaching those ranges or values. For numerical ranges, one or more new numerical ranges may be found between the endpoints of each range, between the endpoint of each range and the individual point value, and between the individual point value, in combination with each other, and are to be considered as specifically disclosed herein.
In the present invention, the specific meaning of each term is as follows.
Polyoxyethylene fatty acid ester the polyoxyethylene fatty acid ester is a widely commercially available polymer.
Hydrogenated castor oil polyoxyethylene ether, which is a widely commercially available polymer on the market, is a yellow viscous liquid which can resist hard water, acid, alkali and inorganic salt and is used for emulsifying and dissolving oil and other water insoluble substances.
Alkyl silicone oil the alkyl silicone oil is a widely commercially available compound.
Polyether silicone oil which is a widely commercially available polymer.
Alkyl polyoxyethylene ether phosphate, which is a widely commercially available polymer on the market.
Alkyl thiosuccinate, which is a commercial anionic surfactant, has the characteristics of rapid and uniform permeation, good wettability, good emulsifying property, good foamability and the like.
Ethylene oxide-propylene oxide block copolymers: the ethylene oxide-propylene oxide block copolymer is a nonionic surfactant.
Polyoxyethylene quaternary ammonium salt which is a widely commercially available polymer surfactant.
The penetrating agent is a widely commercially available compound in the market, and the low-foam penetrating agent SF is used and mainly comprises fatty alcohol polyoxyalkyl ether, wherein the pH value is 5-7 (1% aqueous solution), and the penetrating force is less than or equal to 70 seconds.
The first aspect of the invention provides a spin finish composition comprising, in parts by weight:
20-30 parts of polyoxyethylene fatty acid ester;
8-10 parts of hydrogenated castor oil polyoxyethylene ether;
25-35 parts of alkyl silicone oil;
8-15 parts of polyether silicone oil;
5-8 parts of alkyl polyoxyethylene ether phosphate;
7-10 parts of alkyl thiosuccinate;
7-10 parts of dodecyl phosphate;
3-6 parts of ethylene oxide-propylene oxide block copolymer;
5-8 parts of polyoxyethylene quaternary ammonium salt;
2-4 parts of penetrating agent.
According to a preferred embodiment of the present invention, the polyoxyethylene fatty acid ester has a structural formula shown in formula (1),
In formula (1), R 1 is a saturated or unsaturated aliphatic radical of C1-C20 and m is in the range of 5-500.
According to a preferred embodiment of the present invention, the polyoxyethylene in the hydrogenated castor oil polyoxyethylene ether has an adduct number of 5 to 100.
According to a preferred embodiment of the invention, the structural formula of the alkyl polyoxyethylene ether phosphate ester salt is shown as formula (2),
R 2 is a saturated or unsaturated aliphatic radical of C1-C30, n ranges from 5 to 1000, M is an alkali metal, amine or ammonium group.
According to a preferred embodiment of the invention, the alkyl group in the alkylthio succinate is a C1-20 linear or branched alkyl group.
According to a preferred embodiment of the invention, the dodecyl phosphate salt is a dodecyl phosphate potassium salt and/or a dodecyl phosphate sodium salt.
According to a preferred embodiment of the present invention, the ethylene oxide-propylene oxide block copolymer has a molecular weight of 400 to 8000g/mol, the ethylene oxide molar ratio in the ethylene oxide-propylene oxide block copolymer being 10% to 50%, and the total degree of polymerization being 10 to 200.
According to a preferred embodiment of the present invention, the polyoxyethylene quaternary ammonium salt is an alkylphenol polyoxyethylene quaternary ammonium salt.
According to a preferred embodiment of the present invention, the polyoxyethylene fatty acid ester has a structural formula shown in formula (1), R 1 is a saturated or unsaturated fatty group of C8-C18, and m ranges from 100 to 400;
According to a preferred embodiment of the invention, the alkyl silicone oil has a viscosity of 500-1200cst at 25 ℃, preferably a long chain alkyl silicone oil.
In a second aspect, the invention provides a method of preparing a spin finish comprising admixing the components of the composition described above.
According to a preferred embodiment of the present invention, the preparation method of the spin finish comprises:
s1, performing first mixing on polyoxyethylene fatty acid ester and hydrogenated castor oil polyoxyethylene ether to obtain a mixture 1;
s2, carrying out second mixing on alkyl silicone oil, polyether silicone oil and the mixture 1 to obtain a mixture 2;
S3, performing third mixing on alkyl polyoxyethylene ether phosphate, alkyl thiosuccinate and dodecyl phosphate with the mixture 2 to obtain a mixture 3;
s4, fourth mixing the polyoxyethylene quaternary ammonium salt, the penetrating agent and the mixture 3 to obtain a mixture 4;
s5, fifth mixing the mixture 4 with the ethylene oxide-propylene oxide copolymer to obtain the spinning oil.
According to a preferred embodiment of the present invention, the first mixing conditions comprise a temperature of 20-60 ℃, a mixing time of 5-30min, a rotational speed of 200-1800rpm;
the second mixing condition comprises temperature of 20-50deg.C, mixing time of 5-40min, and rotation speed of 200-1800rpm;
the third mixing condition comprises 20-80deg.C, mixing time of 5-60min, and rotation speed of 200-2000rpm;
The fourth mixing condition comprises 20-80deg.C, mixing time of 10-60min, and rotation speed of 200-2000rpm;
The fifth mixing condition comprises a temperature of 20-60 ℃, a mixing time of 20-40min and a rotating speed of 200-2000rpm.
According to a preferred embodiment of the present invention, the preparation method of the spin finish further comprises:
the spinning oil is mixed with water to prepare an aqueous emulsion, and the mass content of the spinning oil is preferably 3-15wt% based on the total weight of the aqueous emulsion.
The third aspect of the invention provides a spinning oil prepared by the preparation method.
The fourth aspect of the invention provides an application of the spinning oil in polyethylene fiber spinning.
The amount of the spinning oil is 0.5 to 3g relative to 100g of the polyethylene fiber.
The spinning oil provided by the invention has the characteristics of uniform oiling, less splashing, strong adhesion, smooth high-speed spinning production, good spinnability, excellent fiber quality and smooth winding and unwinding. Can meet the technical requirements of unwinding, stretching, winding, false twisting and the like in the fiber processing process, has uniform false twisting tension, stable spinning process and less fiber hairline and broken ends, and obviously improves the first-class product rate.
The spinning oil provided by the invention has the advantages that the wetting time of the spinning oil on the ultra-high molecular weight polyethylene fiber is 2s, the surface tension is 2.86 multiplied by 10N/m, the spinning oil can be uniformly oiled, and the wetting performance on the ultra-high molecular weight polyethylene fiber is excellent.
According to another aspect of the present application, there is provided a method for preparing the above-mentioned ultra-high molecular weight polyethylene fiber oiling agent, comprising the steps of:
S1, adding polyoxyethylene fatty acid ester and polyoxyethylene fatty castor oil into a stirrer, stirring at a constant temperature of 50 ℃ for 10 minutes at a high speed of 1600rpm to obtain a mixture 1;
S2, adding alkyl silicone oil and polyether silicone oil into the mixture 1 in the step S1, and stirring for 10 minutes at a rotating speed of 1600rpm to obtain a mixture 2;
s3, adding alkyl polyoxyethylene ether phosphate, alkyl thiosuccinate and dodecyl potassium phosphate into the mixture 2 in the step S2, stirring at 1600rpm for 10 minutes to obtain a mixture 3, and reducing the stirring speed to 800rpm after the mixture 3 becomes viscous;
S4, slowly adding polyoxyethylene quaternary ammonium salt and penetrating agent (SF) into the mixture 3 in the step 3, stirring for 10 minutes, then increasing the rotating speed to 1600rpm, and continuing stirring for 10 minutes to obtain a mixture 4;
and S5, adding the ethylene oxide-propylene oxide copolymer into the mixture 4 in the step S4, and stirring for 30 minutes at the rotating speed of 1600rpm to obtain the ultra-high molecular weight polyethylene fiber oiling agent. And (5) storing for standby.
Based on the oiling agent, the oiling agent can be directly used or prepared into aqueous emulsion for use, and the fiber oil content (wound yarn) is 3 percent plus or minus 0.5 percent. When the emulsion is prepared into water emulsion, the concentration of the emulsion is 15 percent +/-3 percent, the hardness of the water for preparation is less than 1pg/g, and the pH value is 6.5-7.5. Slowly adding the metered components into soft water according to the emulsion concentration requirement, and stirring for 10-30min at 1500-2000rpm.
For a further understanding of the present invention, preferred embodiments of the invention are described below in conjunction with the examples, but it should be understood that these descriptions are merely intended to illustrate further features and advantages of the invention, and are not limiting of the claims of the invention.
The following examples are presented for the purpose of more clearly illustrating the invention, but the invention is not limited to the scope of the examples.
The spinning oil spray infiltration treatment of the examples and comparative examples was used before winding the ultra-high molecular weight polyethylene fiber in the pre-spin stretching stage. The preparation method comprises the following steps of adding the prepared spinning oil into a sizing tank of an oiling machine, immersing unglued ultra-high molecular weight polyethylene fibers into the spinning oil, enabling the unglued ultra-high molecular weight polyethylene fibers to pass through the sizing tank of the oiling machine at a speed of 0.1-200 m/min, oiling for 2s-2min, extruding excessive oil of the ultra-high molecular weight polyethylene fibers out of the tank to be dry, and drying the oiled carbon fibers at 20-180 ℃ for 0.5-48h.
The fiber performance detection index and method are as follows:
Breaking strength by stretching the prepared fiber under different conditions using an Instron1122 universal material tester, and performing environmental control according to the standard requirements of the test method of the reinforcing material, wherein the temperature is 23+/-2 ℃ and the relative humidity is (50+/-10%). The tensile speed is 250mm/min, the clamp is a rope test clamp produced by INSTRON company, the clamp can ensure that a sample does not slip in the test process, and the clamping interval is 500mm. Stretching until the fiber breaks, and automatically obtaining a result by the instrument. Testing each tube of wire for 10 times, taking an average value, and giving a breaking strength result by software;
The elongation at break is detected by the same method and the result is given by software;
modulus, the detection method is the same as above, and the software gives out the result;
the elongation coefficient of variation is obtained by the software;
the strong variation coefficient is obtained by the software, and the detection method is the same as that of the detection method.
In the following examples, the preparation method of the spin finish comprises:
S1, adding polyoxyethylene fatty acid ester and hydrogenated castor oil polyoxyethylene ether into a stirrer, stirring at a constant temperature of 50 ℃ for 10 minutes at a high speed of 1600rpm to obtain a mixture 1;
S2, adding alkyl silicone oil and polyether silicone oil into the mixture 1 in the step S1, and stirring for 10 minutes at a rotating speed of 1600rpm to obtain a mixture 2;
S3, adding alkyl polyoxyethylene ether phosphate, alkyl thiosuccinate and dodecyl potassium phosphate into the mixture 2 in the step S2, stirring at 1600rpm for 10 minutes to obtain a mixture 3, and reducing the stirring speed to 800rpm after the mixture 3 becomes viscous;
S4, slowly adding polyoxyethylene quaternary ammonium salt and penetrating agent (SF) into the mixture 3 in the step S3, stirring for 10 minutes, then increasing the rotating speed to 1600rpm, and continuing stirring for 10 minutes to obtain a mixture 4;
And S5, adding the ethylene oxide-propylene oxide copolymer into the mixture 4 in the step S4, and stirring for 30 minutes at the rotating speed of 1600rpm to obtain the spinning oil.
In the following examples of the present invention,
Polyoxyethylene fatty acid esters were purchased from rohn reagent company under the designation R001149.
Hydrogenated castor oil polyoxyethylene ether was purchased from Shanghai Meilin Biochemical technologies Co., ltd, trade name E873767.
Alkyl silicone oils were purchased from Shanghai Meilin Biochemical technologies Co., ltd., trade name L875454.
Polyether silicone oils were purchased from Guangdong Weng Jiang chemical company, inc., under the trademark PB91284.
Alkyl polyoxyethylene ether phosphate is purchased from the sea Ann petrochemical plant, jiangsu province under the designation phosphate E1310PK.
The alkyl thiosuccinate is purchased from Jiangsu sea-An petrochemical plant under the trade name of fast T, also known as dioctyl sodium thiosuccinate or dioctyl sodium sulfosuccinate.
Dodecyl phosphate was purchased from Guangdong Weng Jiang chemical company, inc., under the trademark PB10662.
Ethylene oxide-propylene oxide block copolymers are available from the Michael reagent company under the trademark GEL-DBP-534.
Polyoxyethylene quaternary ammonium salt was purchased from siella reagent under the designation a16677.
The penetrant is purchased from the sea-safe petrochemical plant in Jiangsu province and is named as low-foam penetrant SF.
Example 1
25 Parts of polyoxyethylene fatty acid ester;
9 parts of hydrogenated castor oil polyoxyethylene ether;
30 parts of alkyl silicone oil;
10 parts of polyether silicone oil;
7 parts of alkyl polyoxyethylene ether phosphate;
9 parts of alkyl thiosuccinate;
9 parts of dodecyl phosphate potassium salt;
5 parts of ethylene oxide-propylene oxide block copolymer;
7 parts of polyoxyethylene quaternary ammonium salt;
3 parts of penetrating agent (SF);
the fiber property test results are shown in Table 1.
TABLE 1
Example 2
The oiling agent spraying and soaking treatment is carried out before the winding of the ultra-high molecular weight polyethylene fiber in the pre-spinning stretching stage.
24 Parts of polyoxyethylene fatty acid ester;
10 parts of hydrogenated castor oil polyoxyethylene ether;
25 parts of alkyl silicone oil;
15 parts of polyether silicone oil;
8 parts of alkyl polyoxyethylene ether phosphate;
10 parts of alkyl thiosuccinate;
7 parts of dodecyl phosphate potassium salt;
6 parts of ethylene oxide-propylene oxide block copolymer, 5 parts of polyoxyethylene quaternary ammonium salt;
4 parts of penetrant (SF).
The fiber property test results are shown in Table 2.
TABLE 2
Example 3
30 Parts of polyoxyethylene fatty acid ester;
8 parts of hydrogenated castor oil polyoxyethylene ether;
35 parts of alkyl silicone oil;
8 parts of polyether silicone oil;
5 parts of alkyl polyoxyethylene ether phosphate;
7 parts of alkyl thiosuccinate;
10 parts of dodecyl phosphate potassium salt;
3 parts of ethylene oxide-propylene oxide block copolymer, 8 parts of polyoxyethylene quaternary ammonium salt;
2 parts of penetrant (SF);
The fiber property test results are shown in Table 3.
TABLE 3 Table 3
Comparative example 1
The ultra-high molecular weight polyethylene fiber is not subjected to oil spray infiltration treatment before being wound in the pre-spinning stretching stage.
The fiber property test results are shown in Table 4.
TABLE 4 Table 4
From the above examples and comparative examples, it is apparent that the ultra-high molecular weight polyethylene fiber produced by this method has performance indexes reaching advanced levels of other ultra-high molecular weight polyethylene fiber materials.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, a number of simple variants of the technical solution of the invention are possible, including combinations of the individual technical features in any other suitable way, which simple variants and combinations should likewise be regarded as being disclosed by the invention, all falling within the scope of protection of the invention.
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|---|---|---|---|---|
| CN101519847A (en) * | 2009-03-31 | 2009-09-02 | 中国石油化工集团公司 | Short-fiber oil agent for aromatic polyamide fiber |
| CN103276465A (en) * | 2013-06-05 | 2013-09-04 | 北京同益中特种纤维技术开发有限公司 | Ultrahigh molecular weight polyethylene fiber and preparation method thereof |
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