CN114990762A

CN114990762A - Rare earth finishing antibacterial towel and weaving process thereof

Info

Publication number: CN114990762A
Application number: CN202210634947.2A
Authority: CN
Inventors: 罗安桥; 卞立军; 王明生; 张爱玲
Original assignee: Sunvim Group Co ltd
Current assignee: Sunvim Group Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-09-02

Abstract

The invention discloses a rare earth finishing antibacterial towel and a weaving process thereof, wherein the towel is woven by wool warps, ground warps and weft yarns, the weft yarns are divided into two groups, the first group of weft yarns and the wool warps are looped on one surface of the towel, and the second group of weft yarns and the corresponding ground warps float on the other surface of the towel to form a staggered gully-shaped float structure; after weaving, the towel is sprayed on two sides of a rare earth antibacterial agent solution, and then is dried in a synchronous loose mode to obtain the antibacterial towel. According to the rare earth finishing antibacterial towel, after the rare earth antibacterial agent solution is sprayed, the rare earth antibacterial agent is uniformly covered on the ground warps and the weft yarns in the looped pile yarns and the non-fluffy cloth cover tissues, the antibacterial towel is soft in hand feeling, the using effect cannot be influenced, the antibacterial effect on the towel fabric is obvious and lasting, the production and processing cost is relatively controllable, and the market prospect is wide.

Description

Rare earth finishing antibacterial towel and weaving process thereof

Technical Field

The invention relates to the technical field of towels, in particular to an antibacterial towel.

Background

At present, along with the higher and higher requirements of people on living standard, the functionality of textile daily necessities is richer and richer, especially the requirements on the aspects of green, environmental protection, health and the like.

The daily consumer product, namely the towel, is widely used by consumers, but bacteria are easy to breed in the using process, so that the consumers are hurt. At present, the antibacterial towels on the market generally use nano-silver antibacterial finishing and antibacterial materials such as copper ions, and the antibacterial finishing generally uses antibacterial solution, adopts a pressing roller immersion pressing mode, presses the antibacterial liquid into the towels, and improves the antibacterial durability. The antibacterial product has the problems of high cost, hard hand feeling of the towel after being soaked and pressed by the press roller, influence on use comfort and the like, the antibacterial durability needs to be improved, and the problems restrict the acceptance and further development of the antibacterial towel by consumers.

Compared with the antibacterial materials such as nano silver, copper ions and the like on the market, the antibacterial effect of the antibacterial product after multiple washing is more prominent, so that the rare earth finishing is applied to the towel, the antibacterial material has the antibacterial effect, and the market prospect is wide.

Disclosure of Invention

The first technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the rare earth finishing antibacterial towel which can lock the antibacterial agent for a long time, has the advantages of antibacterial durability, low production cost, soft towel hand feeling and comfortable use is provided.

The second technical problem to be solved by the invention is: aiming at the defects in the prior art, the weaving process of the rare earth finishing antibacterial towel is provided, the woven towel can lock the antibacterial agent for a long time, has antibacterial durability and low production cost, and is soft in hand feeling and comfortable to use.

In order to solve the first technical problem, the technical scheme of the invention is as follows:

a rare earth finishing antibacterial towel is woven by wool warps, ground warps and weft yarns, wherein the weft yarns are divided into two groups, the first group of weft yarns and the wool warps are looped on one surface of the towel, and the second group of weft yarns and the corresponding ground warps are raised on the other surface of the towel to form a staggered gully-shaped float structure; after weaving, the towel is sprayed on two sides of a rare earth antibacterial agent solution, and then is dried in a synchronous loose mode to obtain the antibacterial towel.

As an improved technical scheme, the wool warp adopts pure cotton hollow yarns; the second group of weft yarns are plied yarns of regenerated cellulose fibers and soft-twisted cotton yarns.

As a further improved technical scheme, the regenerated cellulose fiber is 9.7-36.4 tex, and the yarn count of 50-120 twists/10 cm; the weak twist cotton yarn is 14.6-36.4 tex, and the twist number is 45-80 twist/10 cm; the ply twist of the ply yarn is 20-60 twist/10 cm.

As an improved technical solution, the ravine-shaped float weave is a plurality of weft float groups formed by floating weft yarns in a plurality of weft yarn groups adjacent to each other in the second group of weft yarns, and the plurality of weft float groups are sequentially staggered to the left or the right by at least one warp structure point.

As a further improved technical scheme, the weft yarn group comprises 6-9 weft yarns; the length of the float length is 4-8 tissue points; and the weft float-length groups are sequentially staggered to the left or the right by at least one warp structure point.

As a further improved technical scheme, two floating lengths which are adjacent up and down in the floating length of a plurality of weft yarns in the weft yarn group are staggered with each other at least one tissue point leftwards or rightwards to form the tooth rubbing type staggered floating length. The tissues are arranged in a staggered and alternate way to form staggered gaps, so that the performances of absorbing the antibacterial solution and locking the antibacterial solution for a long time by the tissues are improved.

As a further improved technical scheme, the gully-shaped float-long tissue of the towel has 60 picks per tissue cycle, the first group of weft yarns comprises 1-3 picks, 13-15 picks, 25-27 picks, 37-39 picks and 49-51 picks, the first group of weft yarns and the pile warps are looped on one surface of the towel, and the second group of weft yarns and the corresponding ground warps are floated and long on the other surface of the towel to form the gully-shaped float-long tissue which is staggered.

As an improved technical scheme, the rare earth antibacterial agent solution contains 30-40 g/L of rare earth antibacterial agent and 2-5 g/L of nano-scale dispersed self-crosslinking polyether polyurethane type high-end finishing agent; the rare earth antibacterial agent is white antibacterial powder which is stable, safe and nontoxic and can resist high temperature of 1500 ℃ and is prepared by using needle-shaped zinc oxide whiskers to be matched with rare earth materials of lanthanum and cerium and dispersing agents such as PE and PP through high-energy dispersing and mixing, firing at high temperature of about 1000 ℃ and a unique production process.

The nano-scale dispersed self-crosslinking polyether polyurethane type high-end finishing agent comprises a modified polyether polyurethane preparation solution, is a polyether polyurethane polymer capable of self-crosslinking, has particle size of less than 100nm, is a true nano dispersion solution, has optimal dispersion and permeability, can form a film on the surface of a fiber, enables the fiber to have lasting water resistance, can improve the hand feeling of the fiber, and has an anti-pilling function. The invention preferably uses TuonamaoNano-grade dispersed self-crosslinking polyether polyurethane type high-end finishing agent produced by Yishanghai Limited company

NANO PU。

As an improved technical scheme, during spraying, a plurality of spray heads are used, the spraying speed is 10-16 m/min, the spray heads are uniformly sprayed on two surfaces of the towel, and the liquid carrying capacity of the rare earth antibacterial agent of the towel fabric is 70-80%.

During spraying, a spraying device is used, the spraying device is provided with 12 opposite upper and lower rows of spray heads which are connected in series and fixed on a support at the rear part of the open-width loose type drying machine, the spray heads are connected with a charging basket through a material guide pipe, and the material guide pipe is provided with an electronic valve for controlling the amount of liquid sprayed by the spray heads.

In order to solve the second technical problem, the technical solution of the present invention is:

a weaving process of a rare earth finishing antibacterial towel comprises the following steps:

dividing the weft yarns of the towel into two groups, wherein the first group of weft yarns, the wool warps and the ground warps are looped on one surface of the towel, the second group of weft yarns are divided into a plurality of weft yarn groups which are sequentially staggered leftwards or rightwards at least one warp structure point, each weft yarn group is respectively interwoven with the corresponding ground warps, a plurality of weft float length groups which are sequentially staggered leftwards or rightwards are formed in the other surface of the towel in a floating length mode, and a plurality of obliquely arranged weft float length groups form a staggered gully-shaped float length structure;

after weaving, spraying the rare earth antibacterial agent solution on two sides, and then drying in a synchronous loose manner to obtain the antibacterial towel; the drying temperature during drying is 130-180 ℃.

When in spraying, a spraying device is used, the spraying device is provided with 12 spray heads which are arranged in an upper row and a lower row and are opposite to each other, the spray heads are connected in series and fixed on a bracket at the rear part of the open-width loose type drying machine, the spray heads are connected with a charging basket through a material guide pipe, and the material guide pipe is provided with an electronic valve for controlling the amount of liquid sprayed by the spray heads.

As an improved technical scheme, in order to ensure the performance of the rare earth antibacterial agent, the open width loose type drying is synchronously carried out while the rare earth antibacterial agent solution is sprayed, a tension-free cloth belt type drying machine is adopted for the open width loose type drying, the drying temperature is 130-180 ℃, the drying speed is 10-16 m/min, the motor frequency of a wind power main machine is 50HZ, and the hair tip direction of a looped pile is consistent with the wind power direction.

Due to the adoption of the technical scheme, the invention has the beneficial effects that:

according to the rare earth finishing antibacterial towel, one surface of the towel is terrified, and weft yarns float on the other surface of the towel to form a gully-shaped float structure which is arranged in a staggered mode; after weaving, spraying the two sides of the towel with a rare earth antibacterial agent solution, and then drying in a synchronous loose manner to obtain the antibacterial towel. The invention adopts the gully-shaped float-long tissue with one looped pile surface and the other staggered looped pile surface, thus after the rare earth antibacterial agent solution is used for spraying, the looped pile yarns of the looped pile and the ground warps and wefts in the non-fluffy cloth surface tissue are uniformly covered with the rare earth antibacterial agent.

The wool warp of the antibacterial towel adopts pure cotton hollow yarns; the floating long weft adopts the plied yarn of the regenerated cellulose fiber and the weak-twist cotton yarn, and the regenerated cellulose fiber and the weak-twist cotton yarn are matched through specific yarn count and twist, so that the rare earth antibacterial agent can be absorbed more easily, the water absorption of the regenerated cellulose fiber is strong, and the capability of the special organization of the non-fluffy surface for absorbing the rare earth finishing agent is further enhanced by the application of the weak-twist cotton yarn.

The ravine-shaped float-length structure of the antibacterial towel is formed by a plurality of weft yarns in a plurality of weft yarn groups adjacent to each other in a float-length mode respectively to form a plurality of weft float-length groups, and the weft float-length groups are sequentially staggered by at least one warp structure point from left to right. The superficial length bulges are less in tissue interweaving points and loose in structure, so that the rare earth finishing agent can be absorbed more easily, and the antibacterial solution can penetrate into the tissues more easily due to the gully-shaped superficial length tissues.

The rare earth antibacterial solution contains 30-40 g/L of rare earth antibacterial agent and 2-5 g/L of nanoscale dispersed self-crosslinking polyether polyurethane type high-end finishing agent; the nano-scale dispersed self-crosslinking polyether polyurethane type high-end finishing agent is a polyether polyurethane polymer capable of self-crosslinking, has particle size of less than 100nm, is a true nano dispersion liquid, has optimal dispersion and permeability, can form a film on the surface of a fiber, enables the fiber to have lasting water resistance, can improve the hand feeling of the fiber, and has the anti-pilling function. The inventor of the application is dedicated to the technical research and development of towels for a long time, and in the long-term research on the modification of the rare earth antibacterial agent on the towels, the inventor finds that when the rare earth antibacterial agent is compounded with a nanoscale dispersed self-crosslinking polyether polyurethane type high-end finishing agent for use, the effect of lasting water resistance can be achieved, the permeability of an antibacterial solution is improved, after the antibacterial agent is sprayed on the towels, a formed film has the effects of lasting effect, the strength loss of fibers is effectively reduced, and the soft handfeel of the fibers is improved, so that the antibacterial towels are good in antibacterial effect, lasting in antibacterial performance, good in handfeel, free of pilling and free of hair falling, and the service life of the towels is prolonged.

The invention synchronously dries after spraying the antibacterial solution, the drying temperature is 130-180 ℃, under the temperature, the polyether polyurethane polymer in the antibacterial solution is more beneficial to self-crosslinking, the rare earth antibacterial agent is crosslinked and fixed on the fiber while crosslinking, and the rare earth antibacterial agent is adhered and permeated into the fiber and towel tissues like glue, thereby greatly improving the antibacterial durability of the towel. The antibacterial towel is washed by a household double-drum washing machine for more than 50 times by adopting GB/T20944.3-2008 oscillation method experiments, and the antibacterial rate of the towel is measured, and the result shows that after 50 times of washing, the antibacterial rate of staphylococcus aureus is 98%, the antibacterial rate of escherichia coli is 93%, the antibacterial rate is far greater than the national standard that the two antibacterial rates are respectively specified to be more than or equal to 80% and 70%, and the antibacterial effect is AAA level.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a diagram of the present invention organized on a machine;

FIG. 2 is a drawing of the organization of the hair warp on the machine.

Detailed Description

The invention is further illustrated below with reference to the figures and examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

As shown in FIGS. 1 and 2, each weave cycle in one embodiment of the present invention is 60 picks, wherein the 1 st to 3 rd, 13 th to 15 th, 25 th to 27 th, 37 th to 39 th, 49 th to 51 th picks are fuzz picks, and the rest picks are interwoven with the ground warp and form a plurality of weft float length groups which are sequentially staggered to the left or the right by two weave points.

Example 1

Firstly, selecting yarns:

hair warp: pure cotton hollow yarn: 18.2tex × 2;

ground warp: pure cotton yarn: 18.2tex × 2;

weft yarn: the first group of weft yarns assisting in terry motion are pure cotton yarns: 29.2 tex; the second group of floating weft yarns are ply yarns of bamboo fibers and cotton, the yarn count is 29.2tex multiplied by 2, the twist of the bamboo fibers and the single cotton yarns is 56 twists/10 cm, and the ply twist is 33 twists/10 cm.

Secondly, density selection: warp density: 60 roots/5.08 cm, filling density: 56 roots/2.54 cm

Thirdly, preparing a rare earth antibacterial agent solution: adding 40g of rare earth antibacterial agent into 1 liter of 40 ℃ water solution, stirring while adding, stirring for 5-10min after adding, then adding 5g of nano-scale dispersed self-crosslinking polyether polyurethane type high-end finishing agent, and stirring for 5-10min to obtain the rare earth antibacterial agent solution.

Fourthly, weaving on a machine: the front surface adopts single hair, 4 healds are used, and the hair is drawn out sequentially; the back non-fluffing surface adopts a ravine-shaped float long structure with certain oblique staggered arrangement, each structure cycle is 60 picks, the weft yarns are divided into two groups, the first group of weft yarns comprises 1-3 picks, 13-15 picks, 25-27 picks, 37-39 picks and 49-51 picks, the first group of weft yarns and the wool warps are fluffed on one surface of the towel, the second group of weft yarns are divided into a plurality of weft yarn groups which are staggered with two warp structure points leftwards or rightwards in sequence, and each weft yarn group comprises 9 weft yarns which are heald by 10 healds and drawn in a straight line manner. Each weft yarn group is respectively and correspondingly interwoven with the ground warp, a plurality of weft float length groups staggered leftwards or rightwards sequentially are formed on the other surface of the towel, and a plurality of obliquely arranged weft float length groups form a staggered gully-shaped float length tissue.

Fifthly, spray finishing: the semi-finished towel grey cloth passes through a spraying and humidifying device with upper and lower 12 spray heads, the prepared rare earth antibacterial agent solution is sprayed on the front and back surfaces of the towel fabric at a constant speed according to the speed of 10.0m/min, and the amount of the sprayed liquid is controlled by an electronic metering valve, so that 70% of the amount of the liquid is carried on the surface of the towel fabric.

Sixthly, drying: the after-finishing drying adopts a tension-free cloth belt type dryer, the temperature of each bin of the dryer is respectively set to 130 ℃, 135 ℃, 140 ℃ and 135 ℃, the drying speed is 12m/min, the motor frequency of a wind power main machine is 50HZ, the hair tip direction of the hair ring is consistent with the wind power direction, and the smoothness of the hair ring is ensured.

And finally, checking and sewing to obtain a finished product.

Claims

1. The rare earth finishing antibacterial towel is characterized in that: the towel is woven by wool warps, ground warps and weft yarns, the weft yarns are divided into two groups, the first group of weft yarns and the wool warps are looped on one surface of the towel, and the second group of weft yarns and the corresponding ground warps are lengthened on the other surface of the towel to form a staggered gully-shaped long-floating structure; after weaving, the towel is sprayed on two sides of a rare earth antibacterial agent solution, and then is dried in a synchronous loose mode to obtain the antibacterial towel.

2. The rare earth finishing antibacterial towel according to claim 1, characterized in that: the wool warp adopts pure cotton hollow yarns; the second group of weft yarns are plied yarns of regenerated cellulose fibers and soft-twisted cotton yarns.

3. The rare earth finishing antibacterial towel as claimed in claim 2, characterized in that: the regenerated cellulose fiber is 9.7-36.4 tex, and the yarn count with the twist of 50-120 twists/10 cm; the weak twist cotton yarn is 14.6-36.4 tex, and the twist number is 45-80 twist/10 cm; the ply twist of the ply yarn is 20-60 twist/10 cm.

4. The rare earth finishing antibacterial towel according to claim 1, characterized in that: the ravine-shaped float length weave is formed by a plurality of weft yarn float length groups formed by floating length of a plurality of weft yarn groups adjacent to each other in the second group of weft yarns respectively, and the plurality of weft yarn float length groups are sequentially staggered from at least one warp weave point to the left or the right.

5. The rare earth finishing antibacterial towel according to claim 4, characterized in that: the weft yarn group comprises 6-9 weft yarns; the length of the float length is 4-8 tissue points; and the weft float-length groups are sequentially staggered by two warp tissue points leftwards or rightwards.

6. The rare earth finishing antibacterial towel according to claim 5, characterized in that: two floating lengths which are vertically adjacent in the floating length of a plurality of weft yarns in the weft yarn group are mutually staggered by at least one tissue point leftwards or rightwards to form the horse-tooth rubbing type staggered floating length.

7. The rare earth finishing antibacterial towel as claimed in claim 4, characterized in that: the ravine-shaped long floats of the towel are formed in a 60-weft mode in each weave circulation, the first group of weft yarns comprise 1-3 picks, 13-15 picks, 25-27 picks, 37-39 picks and 49-51 picks, the first group of weft yarns and the wool warps are looped on one surface of the towel, and the second group of weft yarns are interwoven with the corresponding ground warps on the other surface of the towel to form the ravine-shaped long floats in a staggered mode.

8. The rare earth finishing antibacterial towel according to claim 1, characterized in that: the rare earth antibacterial agent solution contains 30-40 g/L of rare earth antibacterial agent and 2-5 g/L of self-crosslinking polyether polyurethane type high-end finishing agent.

9. The rare earth finishing antibacterial towel according to claim 1, characterized in that: during spraying, a plurality of spray heads are used, the spraying speed is 10-16 m/min, and the rare earth antibacterial agent is uniformly sprayed on two surfaces of the towel, so that the liquid carrying capacity of the rare earth antibacterial agent of the towel fabric is 70-80%.

10. The weaving process of the rare earth finishing antibacterial towel according to claim 1, characterized by comprising the following steps:

after weaving, spraying the rare earth antibacterial agent solution on two sides, and then drying in a synchronous loose manner to obtain the antibacterial towel.