阅读说明：本技术 一种地铁拉环用耐磨布料及制备方法 (Wear-resistant cloth for subway pull ring and preparation method ) 是由 王晓军 孙振兴 杨金秋 于 2019-10-30 设计创作，主要内容包括：本发明公开了一种地铁拉环用耐磨面料,包括质量组分为：20-30份玻璃纤维、15-25份聚酯纤维、20-30份硅胶纤维、25-40份木质纤维；本发明还提供一种地铁拉环用耐磨面料的制备方法,包括以下步骤：S1制备Ⅰ号混合纤维长丝；S2制备Ⅱ号混合纤维长丝；S3制备Ⅰ级面料；S4制备Ⅱ级面料；S5退浆处理Ⅱ级面料；S6制备耐磨面料；本发明的有益效果是：乳酸菌发酵液配合碳酸氢钠溶液,交联形成致密的粘接网络,增加面料的耐摩擦性能同时酸化面料；采用石墨球均匀涂抹面料,使面料能吸潮,方便聚氨酯分子覆盖面料,增加面料的光滑度；利用氢氧化钠带动聚丙烯酸钠分子扩散运动到面料纤维上,增加面料耐高温的能力；采用方形轨道与椭圆形轨道,得到致密的面料。(The invention discloses a wear-resistant fabric for a subway pull ring, which comprises the following components in parts by mass: 20-30 parts of glass fiber, 15-25 parts of polyester fiber, 20-30 parts of silica gel fiber and 25-40 parts of wood fiber; the invention also provides a preparation method of the wear-resistant fabric for the subway pull ring, which comprises the following steps: s1, preparing a No. I mixed fiber filament; s2, preparing No. II mixed fiber filaments; s3, preparing a first-grade fabric; s4, preparing a II-level fabric; s5 desizing the II-level fabric; s6, preparing wear-resistant fabric; the invention has the beneficial effects that: the lactobacillus fermentation liquor is matched with the sodium bicarbonate solution to form a compact adhesive network through crosslinking, so that the friction resistance of the fabric is improved, and the fabric is acidified; the graphite balls are uniformly coated on the fabric, so that the fabric can absorb moisture, polyurethane molecules can conveniently cover the fabric, and the smoothness of the fabric is improved; sodium hydroxide is used for driving sodium polyacrylate molecules to diffuse and move to fabric fibers, so that the high temperature resistance of the fabric is improved; and obtaining the compact fabric by adopting a square track and an oval track.)

1. The utility model provides a subway pull ring is with wear-resisting cloth which characterized in that: comprises the following components by mass: 20-30 parts of glass fiber, 15-25 parts of polyester fiber, 20-30 parts of silica gel fiber and 25-40 parts of wood fiber filament.

2. The method of claim 1, wherein: the wood fiber filament is obtained by soaking flocculent wood fibers in a sodium polyacrylate solution, then carrying out acidification treatment and wire drawing.

3. The preparation method of the wear-resistant cloth material for the metro pulling ring according to claim 1, wherein the preparation method comprises the following steps: the method comprises the following steps:

s1, winding and twisting the glass fiber and the silica gel fiber according to the proportion of 1:2, and soaking the glass fiber and the silica gel fiber in a sodium bicarbonate solution to obtain a No. I mixed fiber filament;

s2, winding and twisting the polyester fiber and wood fiber filaments according to the proportion of 1:1, and treating the polyester fiber and wood fiber filaments by using lactobacillus fermentation liquor to obtain No. II mixed fiber filaments;

s3, arranging the obtained No. I mixed fiber filament and the No. II mixed fiber filament according to the weaving density of 35-48tex, and weaving I-level cloth by using the No. I mixed fiber filament as a warp and the No. II mixed fiber filament as a weft by using a weft knitting method;

s4, after the first-level cloth is vibrated and loosened, steaming is carried out, and then preliminary shaping is carried out to form second-level cloth;

s5, treating the II-level cloth with graphite powder, soaking the II-level cloth with lactobacillus fermentation liquor, performing alkaline desizing treatment, and washing the II-level cloth with clear water to obtain the desized II-level cloth;

s6, soaking the desized II-level cloth in a sodium polyacrylate solution, drying, re-shaping, and performing after-treatment to obtain the wear-resistant cloth.

4. The preparation method of the wear-resistant cloth material for the metro pulling ring according to claim 3, wherein the preparation method comprises the following steps: the graphite powder treatment comprises the steps of flatly paving II-level cloth, rubbing the cloth by using graphite spheres, and immediately soaking the cloth into a polyurethane solution after the cloth is uniformly blackened and passes through hot air flow of 180-210 ℃ for 15-30 s.

5. The preparation method of the wear-resistant cloth material for the metro pulling ring according to claim 3, wherein the preparation method comprises the following steps: the principle of weft knitting method weaving is that a spinneret with double holes is utilized to weave No. I mixed fiber filament on a square track, and an elliptical track weaves No. II mixed fiber filament.

6. The preparation method of the wear-resistant cloth material for the metro pulling ring according to claim 5, wherein the preparation method comprises the following steps: the square track and the elliptical track are correspondingly adjusted within the range of 15-60 degrees according to the textile density.

7. The preparation method of the wear-resistant cloth material for the metro pulling ring according to claim 3, wherein the preparation method comprises the following steps: the alkaline desizing treatment comprises the steps of sequentially adding industrial-grade liquid alkali, industrial-grade PVA slurry and industrial-grade PAC slurry to the II-grade cloth soaked by the lactobacillus fermentation liquor to completely soak the II-grade cloth for 5-6 hours.

8. The preparation method of the wear-resistant cloth material for the metro pulling ring according to claim 3, wherein the preparation method comprises the following steps: and the drying is to perform spray treatment on the II-grade cloth soaked by the sodium polyacrylate solution through a hot sodium hydroxide solution, and then dry and form the II-grade cloth at the temperature of 100-130 ℃.

9. The preparation method of the wear-resistant cloth material for the metro pulling ring according to claim 3, wherein the preparation method comprises the following steps: the after-treatment comprises the following steps: a. shaping and finishing: tentering and preshrinking; b. and (3) appearance finishing: and (5) tightly rolling the cloth by a press roll.

Technical Field

The invention relates to the field of subway construction and construction, in particular to wear-resistant cloth for a subway pull ring and a preparation method thereof.

Background

The subway is a form of railway transportation, and refers to an urban rail transit system which is mainly operated underground, and covers various urban rail transit systems (Metro) with special rights of way, high density and high traffic volume underground and on the ground in urban areas; however, in the subway construction process, because the underground condition is complicated and the construction period is long, the steel that the subway adopted needs special laying in the construction stage to adopt the oilcloth parcel to cover in order to completely cut off secret humid environment, adopt the pull ring to directly hoist and mount the steel of oilcloth parcel and shift simultaneously when shifting steel, consequently need oilcloth to have stronger antifriction and great frictional resistance, but great frictional resistance can lead to the steel wearing and tearing to appear when hoist and mount, and then influences construction safety and the accurate nature of construction.

The invention relates to an antibacterial, wear-resistant, high-color-fastness and flame-retardant home textile fabric (application number: CN201610162893.9), which comprises a fabric body (1), wherein a radiation-proof layer (2) is arranged on the upper surface of the fabric body (1), a plurality of criss-cross radiation-proof strips (3) are embedded in the radiation-proof layer (2), an antistatic layer (4) is arranged on the upper surface of the radiation-proof layer (2), an upper waterproof layer (8) is arranged on the upper surface of the antistatic layer (4), an antibacterial layer (5) is arranged on the lower surface of the fabric body (1), the antibacterial layer (5) is formed by weaving silver-plated fibers, a flame-retardant layer (6) is arranged on the lower surface of the antibacterial layer (5), and a lower waterproof layer (7) is arranged on the lower; although the multilayer arrangement is adopted, the wear resistance of the fabric after layering is considered to be lost to a certain extent, the moisture resistance of the fabric is also influenced, and the surface of steel is easy to damage due to the adoption of the multilayer structure, so that the wear-resistant cloth which is excellent in moisture resistance, resistant to abrasion and free of steel damage is urgently needed at present.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides wear-resistant cloth for a subway pull ring and a preparation method thereof, so as to at least achieve the aims of excellent moisture resistance, friction resistance and no damage to steel.

The purpose of the invention is realized by the following technical scheme:

the wear-resistant cloth for the pull ring of the subway comprises the following components in parts by mass: 20-30 parts of glass fiber, 15-25 parts of polyester fiber, 20-30 parts of silica gel fiber and 25-40 parts of wood fiber filament.

Preferably, in order to further enable the adopted fibers to have the property of resisting high temperature generated by friction, the wood fiber filaments are obtained by soaking flocculent wood fibers in a sodium polyacrylate solution, then performing acidification treatment and wire drawing, wherein the flocculent wood fibers are dispersed into filaments in the sodium polyacrylate solution soaking process, and then performing acidification treatment to form uniform filament raw materials, so that the obtained wood fibers have the property of resisting friction.

The invention also provides a preparation method of the wear-resistant cloth for the pull ring of the subway, which is characterized by comprising the following steps of: the method comprises the following steps:

s1, winding and twisting the glass fiber and the silica gel fiber according to the proportion of 1:2, and soaking the glass fiber and the silica gel fiber in a sodium bicarbonate solution to obtain a No. I mixed fiber filament;

s2, winding and twisting the polyester fiber and wood fiber filaments according to the proportion of 1:1, and treating the polyester fiber and wood fiber filaments by using lactobacillus fermentation liquor to obtain No. II mixed fiber filaments;

s3, arranging the obtained No. I mixed fiber filament and the No. II mixed fiber filament according to the weaving density of 35-48tex, and weaving I-level cloth by using the No. I mixed fiber filament as a warp and the No. II mixed fiber filament as a weft by using a weft knitting method; the method comprises the following steps of treating a No. II mixed fiber filament formed by polyester fibers and wood fibers by using lactobacillus fermentation liquor, and matching with a No. I mixed fiber filament formed by glass fibers and silica gel fibers treated by sodium bicarbonate solution, so that lactic acid and sodium bicarbonate form sodium lactate in a steaming stage, and the sodium lactate and protein in the lactobacillus fermentation liquor are further crosslinked to form a compact bonding network, so that the fiber density is improved, the friction resistance of the cloth is improved, and meanwhile, the lactic acid acidification cloth is convenient for subsequent graphite powder treatment;

s4, after the first-level cloth is vibrated and loosened, steaming is carried out, and then preliminary shaping is carried out to form second-level cloth;

s5, treating the II-level cloth with graphite powder, soaking the II-level cloth with lactobacillus fermentation liquor, performing alkaline desizing treatment, and washing the II-level cloth with clear water to obtain the desized II-level cloth;

s6, soaking the desized II-level cloth in a sodium polyacrylate solution, drying, re-shaping, and performing after-treatment to obtain the wear-resistant cloth.

Preferably, in order to further make the friction-resistant cloth smooth and not easy to damp and damage the carried steel, the graphite powder is processed by tiling the II-level cloth, rubbing the cloth by using graphite spheres, after the cloth is uniformly blackened, immediately immersing the cloth into a polyurethane solution after passing through hot air flow of 180-210 ℃ for 15-30s, and uniformly smearing the cloth by using the graphite spheres, so that the cloth has the moisture absorption effect, and meanwhile, the graphite powder is embedded into gaps among the fibers of the cloth, so that polyurethane molecules can conveniently cover the cloth, the smoothness of the cloth is increased, and meanwhile, the cloth can bear high temperature generated by friction.

Preferably, in order to further make the fabric stronger and more durable and further increase the friction force, the weft knitting method adopts the principle that a double-hole spinneret is utilized to weave No. I mixed fiber filament yarns on a square track, and an elliptical track is utilized to weave No. II mixed fiber filament yarns; the square track and the elliptical track are correspondingly adjusted within the range of 15-60 degrees according to the textile density; the square rail and the oval rail are adopted, so that the fiber filaments of the warp and the weft can be fully filled and mixed, and compact cloth is obtained.

Preferably, in order to further enable the cloth to be corrosion resistant and moisture resistant, the alkaline desizing treatment is that industrial-grade liquid alkali, industrial-grade PVA slurry and industrial-grade PAC slurry are sequentially added to the II-grade cloth soaked by the lactobacillus fermentation liquor, so that the II-grade cloth is completely soaked for 5-6 hours; the industrial-grade liquid caustic soda is adopted to wash organic impurities on the cloth, and the PVA slurry and the PAC slurry are mixed and act on the cloth, so that the natural water slurry on the cloth is faded and then wrapped with new slurry, and the characteristics of moisture resistance and corrosion resistance are improved.

Preferably, in order to further make the cloth material stronger and more wear-resistant and to uniformly cover the sodium polyacrylate on the fibers, the drying is to perform spray treatment on the II-grade cloth material soaked by the sodium polyacrylate solution by using the hot sodium hydroxide solution, then perform drying molding at the temperature of 100-130 ℃, further drive the sodium polyacrylate molecules to diffuse and move onto the cloth material fibers by using the atomized sodium hydroxide, and increase the high-temperature resistance of the cloth material.

Preferably, in order to make the cloth more stable and smooth, the after-finishing is as follows: a. shaping and finishing: stentering and preshrinking to make the size more stable; b. and (3) appearance finishing: and (5) tightly rolling the cloth by a press roll to make the cloth have luster.

The invention has the beneficial effects that:

1. the lactobacillus fermentation liquor is adopted to treat No. II mixed fiber filaments formed by polyester fibers and wood fibers, and the No. I mixed fiber filaments formed by glass fibers and silica gel fibers treated by sodium bicarbonate solution are matched, so that lactic acid and sodium bicarbonate form sodium lactate in a steaming stage, and the sodium lactate and protein in the lactobacillus fermentation liquor are crosslinked to form a compact bonding network, so that the fiber density is improved, the friction resistance of the cloth is improved, and meanwhile, the lactic acid acidification cloth is convenient for subsequent graphite powder treatment.

2. The cloth is evenly paintd to the adoption graphite ball, makes the cloth have the effect of moisture absorption, and in the space between the graphite powder embedding cloth fibre, and then make things convenient for the polyurethane molecule to cover the cloth, increases the smoothness of cloth, the high temperature of antifriction production simultaneously.

3. The atomized sodium hydroxide is utilized to drive the sodium polyacrylate molecules to diffuse and move to the cloth fibers, so that the high temperature resistance of the cloth is improved.

4. The square rail and the oval rail are adopted, so that the fiber filaments of the warp and the weft can be fully filled and mixed, and compact cloth is obtained.

Detailed Description

The technical solutions of the present invention are described in further detail below, but the scope of the present invention is not limited to the following.