CN111364243A - Processing technology of multifunctional outdoor bag fabric - Google Patents

Abstract

The invention discloses a processing technology of a multifunctional outdoor bag fabric, including a jacquard process, a printing process and a post-finishing process; the jacquard process adopts 500dtex ordinary polyester filament as warp, 500dtex ordinary polyester filament and 500dtex anti-ultraviolet Polyester filaments are interwoven as weft yarns to form a plain weave double-layer structure, and the proportion of UV-resistant polyester filaments in the weft yarns is more than 50%; then a printing process is performed, and the printing process is completed by thermal transfer printing process. Design and determine; the final finishing process uses the fluorine-free water-repellent finishing agent NT-X018 of Nano-Tex Company of the United States as the water-repellent agent. The present invention selects a reasonable content of anti-ultraviolet polyester in the weft yarn and the fabric organization, taking into account the anti-ultraviolet performance of the fabric and other properties such as strength and wear resistance; secondly, a reasonable finishing process is selected, and the anti-ultraviolet performance of the fabric is improved at the same time. Has excellent waterproof effect.

Description

Processing technology of a multifunctional outdoor bag fabric

technical field

The invention relates to a processing technology of a multifunctional outdoor bag fabric.

Background technique

As people put forward more and higher requirements for wearing, textiles must not only be comfortable and beautiful, but also require certain additional functions. On the other hand, the deterioration of the surrounding environment, such as water pollution, light pollution, air pollution, ultraviolet pollution caused by the destruction of the ozone layer, noise pollution, dust and so on in the city. These problems have prompted people to pay more attention to their own health, and the protective function of textiles has also improved. Under this development situation, textiles are gradually becoming functional and intelligent. The needs of consumers have improved the broad development prospects of outdoor products, and functional fabrics have further enriched the development space of outdoor products. Functional outdoor products have strict requirements on the performance of fabrics. They not only require basic properties such as good abrasion resistance and breaking strength, but also other special functions that further meet the needs of consumers, such as quick-drying running clothing and light-heat down. , ultra-light jackets, GPS positioning backpacks and other outdoor products. However, outdoor textile products in the domestic market are still in their infancy, and the functionality of their fabrics is very important in market applications, and users are also very concerned about fabric design when purchasing products.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a processing technology of a multifunctional outdoor bag fabric. The present invention mainly studies the functional characteristics of the UV-proof polyester fiber according to the functional requirements of the outdoor bag, and develops a set of UV-proof polyester fibers according to its specific function. Waterproof and multifunctional composite functional fabric. Finally, the developed functional fabrics are applied to the design and development of outdoor bags according to their specific functions. The present invention selects a reasonable content of anti-ultraviolet polyester in the weft yarn and the fabric structure, taking into account the anti-ultraviolet performance of the fabric and other properties such as strength and wear resistance; secondly, the non-fluorine water-repellent finishing agent NT-X018 is used as the water-repellent agent to improve the fabric. The water repellency of the fabric is improved, and a reasonable finishing process is selected to improve the UV resistance of the fabric and have an excellent waterproof effect.

In order to achieve the above object, the technical scheme of the present invention is:

A processing technology of a multifunctional outdoor bag fabric, including a jacquard process, a printing process and a post-finishing process; the jacquard process adopts 500dtex ordinary polyester filament as the warp, 500dtex ordinary polyester filament and 500dtex UV-proof polyester filament as the The weft yarns are interwoven into a plain double-layer weave, and the UV-resistant polyester filaments in the weft yarns account for more than 50%; and then a printing process is performed, and the printing process completes the design and determination of the fabric color graphics and text through a thermal transfer printing process; Finally, the post-finishing process adopts the fluorine-free water-repellent finishing agent NT-X018 of Nano-Tex Corporation of the United States as the water-repellent agent, and the anti-ultraviolet fabric is waterproofed by the padding method. The padding method includes the following steps: a dipping method One rolling→drying→baking; in the one-dipping-one-rolling process, the over-rolling ratio is 65%, using 1.0g/L JFC penetrant from Shangyu Fine Chemical Plant, and NT-504F cross-linking agent from Nano-Tex Company in the United States. 15.0g/L, NT-XR603D softener of American Nano-Tex company 10.0g/L: American Nano-Tex company NT-X018 water repellent: 60g/L, the bath ratio is 1:30; the drying temperature is 100°C for 3 minutes; the baking temperature is 160°C for 2 minutes.

The 500dtex anti-ultraviolet polyester filament is made of polyethylene terephthalate (PET), with a linear density of 166.67dtex/144F*3, and the anti-ultraviolet powder is made of nano-scale high-concentration titanium dioxide, and the addition amount is 2%.

The proportion of anti-ultraviolet polyester filaments in the weft yarn is preferably 80%.

The beneficial effects of the present invention are:

First of all: the UV resistance of the fabric depends on the content of UV-resistant polyester in the weft yarn. When the content of UV-resistant polyester in the weft yarn reaches 50%, the UPF value is 99.99, and T(UVA)AV<5%; preferably 80%. And the content of UV-resistant polyester in the weft yarn has a negligible effect on the tensile breaking strength, abrasion resistance, wrinkle resistance and air permeability of the fabric. Secondly, the fabric structure has a great influence on the properties of the fabric. As the fabric tightness gradually decreases, the UV resistance, tensile breaking strength, and abrasion resistance of the fabric decrease to varying degrees. There are different degrees of increase in the property; therefore, the weaving scheme of plain weave is preferred for the organizational structure; the UV protection performance of the fabric and other properties such as strength and wear resistance are taken into account.

Second: with fluorine-free water-repellent finishing agent NT-X018 as water-repellent agent, after the fabric is water-repellent, the longitudinal section of the fabric can clearly see the waterproof coating formed by the water-repellent finishing agent attached to the surface of the fiber, improving the water repellency of the fabric. The scheme of finishing agent concentration>baking temperature>baking time is proposed, and the concentration of finishing agent has a great influence on the UV protection performance of fabrics. With the increase of the concentration of the finishing agent, the gap between the fibers and the yarns becomes smaller, and the UV protection performance of the fabric increases slightly accordingly. When the concentration of the finishing agent is 60g/L, the baking time is 2min, and the baking temperature is 160℃, the water level of the fabric has reached 4-5, which has excellent waterproof effect.

The application of the technology of the invention will greatly increase the added value of the outdoor bag, and provide a reference scheme for the design of the outdoor bag with composite functions in the future, and the market prospect is considerable.

Detailed ways

Example 1

The processing technology of a multifunctional outdoor bag fabric in this embodiment includes a jacquard process, a printing process and a finishing process; the jacquard process adopts 500dtex ordinary polyester filament as the warp, 500dtex ordinary polyester filament and 500dtex anti-ultraviolet Polyester filaments are interwoven as weft yarns to form a plain double-layer weave, and the proportion of UV-resistant polyester filaments in the weft yarns is 80%; this embodiment takes into account the UV-resistant properties of the fabric and other properties such as strength and wear resistance;

The 500dtex UV-resistant polyester filament is made of polyethylene terephthalate (PET), the linear density is 166.67dtex/144F*3, and the UV-resistant powder is made of nano-scale high-concentration titanium dioxide, and the addition amount is 2% . First, the JSM-5610LV scanning electron microscope (Japan Electronics Co., Ltd. (JEOL)) showed that the cross-section of the 500dtex UV-resistant polyester filament fiber was irregularly circular, with edges and corners, and the fiber had a certain gloss; Many small particles with uneven size can be clearly observed, which are nano-scale titanium dioxide particles inside the fiber; the longitudinal section is relatively smooth, some fibers have edges and corners, and the fiber gloss is better. Secondly, the regular moisture regain of polyester fiber specified in GB/T 9994-2018 is 0.4%, and the moisture regain of the UV-proof fiber in this example is 0.4016%, which is almost the same as the specified moisture regain. The effect of moisture regain is negligible. In addition, the breaking strength of the 500dtex anti-ultraviolet polyester filament of this example is about 2733.34cN, the strength is 5.47cN/dtex, and the elongation is 5.47cN/dtex. 21.7%. The breaking strength of ordinary polyester filament is 3.8-5.2cN/dtex, and the breaking elongation is generally higher than 20%. Therefore, the addition of anti-UV high-concentration titanium dioxide powder did not have a great impact on the breaking strength and elongation of polyester filaments. The specifications of UV-resistant polyester filament and ordinary polyester filament are basically the same, and the impact on the thickness of the fabric is minimal.

Then the printing process is carried out, and the printing process completes the design and determination of the fabric color graphics and text through the thermal transfer printing process; the thermal transfer printing uses a digital inkjet printer to print the pattern on the transfer paper, and under high temperature conditions, the transfer paper The dye will be sublimated and transferred to the fabric, and no further processing is required afterwards, and it will not affect the waterproof performance of the fabric. In addition, thermal transfer printing eliminates the disadvantage of inaccurate color registration, and has high color fastness and rich and colorful colors. Most importantly, heat transfer printing is suitable for hydrophobic fabrics such as polyester fabrics, so the use of heat transfer printing as a printing process for waterproof outdoor bag fabrics has strong applicability;

The specific operation steps are as follows:

First, use the RIP color management software connected to the computer to open the pre-designed pattern file, and perform operations such as pattern size and typesetting;

Printing, printing sublimation solvent ink on special transfer paper;

Then use the cutting function to cut the patterned transfer paper;

Then turn on the flat heat transfer machine and wait for the temperature of the machine to reach the preset 200°C;

Place the printed transfer paper face up on the flat plate of the heat transfer machine;

Fit the fabric face down with the printed pattern, push the flat plate into the machine, and press manually for 30s;

The flat plate of the heat transfer printing machine is pulled out, and the printing process is completed.

Finally, the post-finishing process adopts the fluorine-free water-repellent finishing agent NT-X018 of Nano-Tex Corporation of the United States as the water-repellent agent, and the anti-ultraviolet fabric is waterproofed by the padding method. The padding method includes the following steps: a dipping method One rolling→drying→baking; in the one-dipping-one-rolling process, the over-rolling ratio is 65%, using 1.0g/L JFC penetrant from Shangyu Fine Chemical Plant, and NT-504F cross-linking agent from Nano-Tex Company in the United States. 15.0g/L, NT-XR603D softener 10.0g/L of American Nano-Tex company: NT-X018 water repellent: 60g/L, the bath ratio is 1:30; the drying temperature is 100℃, and the time is 3min; the baking temperature is 160°C, and the time is 2min; in the post-finishing process, after the fabric is water-repellent, its cross-sectional shape is the same as before the water-repellent finish, and titanium dioxide particles can still be seen inside the fiber. However, it can be clearly seen that the surface of the fiber is mottled and convex in the longitudinal direction, which is the waterproof coating formed by the waterproof finishing agent attached to the surface of the fiber, which improves the water repellency of the fabric; this embodiment adopts the concentration of finishing agent>baking temperature>baking time. method, the concentration of the finishing agent has a great influence on the UV protection performance of the fabric. With the increase of the concentration of the finishing agent, the gap between the fibers and the yarns becomes smaller, and the UV protection performance of the fabric increases slightly accordingly. Using the finishing process of this embodiment has the best comprehensive finishing effect on the fabric.

In this example, the content of UV-resistant polyester in the weft yarn and the fabric structure are selected reasonably, taking into account the UV-resistant performance of the fabric and other properties such as strength and wear resistance; For the water repellency of the fabric, a reasonable post-finishing process is selected, the UV resistance of the fabric is improved and the fabric has an excellent waterproof effect. The application of the technology in this embodiment will greatly improve the added value of the outdoor bag, and provide a reference solution for the design of the outdoor bag with composite functions in the future, and the market prospect is considerable.

Claims (3)

1. A processing technology of multifunctional outdoor bag fabric comprises a jacquard process, a printing process and an after-finishing process; the method is characterized in that: the jacquard process adopts 500dtex common polyester filament yarn as warp yarn, and the 500dtex common polyester filament yarn and the 500dtex ultraviolet-resistant polyester filament yarn are used as weft yarn to be interwoven into a plain double-layer structure, wherein the percentage of the ultraviolet-resistant polyester filament yarn in the weft yarn is more than 50%; then, printing process is carried out, and design and determination of pattern and text of the fabric are finished through the thermal transfer printing process; and finally, performing a post-finishing process, wherein a fluorine-free water repellent finishing agent NT-X018 is used as a water repellent agent, and a padding method is used for performing waterproof finishing on the ultraviolet-proof fabric, wherein the padding method comprises the following steps: one dipping and one rolling → drying → baking; the rolling residual rate in the one-dipping one-rolling process is 65%, and the softening agent is prepared from 1.0g/L, NT-504F of JFC penetrating agent, 15.0g/L, NT-XR603D and 10.0g/L of softening agent: NT-X018 water repellent agent: 60g/L, bath ratio is 1: 30; the drying temperature is 100 ℃, and the drying time is 3 min; the baking temperature is 160 ℃, and the baking time is 2 min.

2. The processing technology of the multifunctional outdoor bag fabric as claimed in claim 1, characterized in that: the 500dtex ultraviolet-proof polyester filament yarn is made of polyethylene terephthalate (PET), the linear density is 166.67dtex/144F 3, and the ultraviolet-proof powder adopts nanometer-level high-concentration titanium dioxide, and the addition amount is 2%.

3. The processing technology of the multifunctional outdoor bag fabric as claimed in claim 1, characterized in that: the percentage of the uvioresistant polyester filaments in the weft yarn is 80%.