CN110820351A - Waterproof process of regenerated polyester - Google Patents

Waterproof process of regenerated polyester Download PDF

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Publication number
CN110820351A
CN110820351A CN201911137776.7A CN201911137776A CN110820351A CN 110820351 A CN110820351 A CN 110820351A CN 201911137776 A CN201911137776 A CN 201911137776A CN 110820351 A CN110820351 A CN 110820351A
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Prior art keywords
coating
terylene
regenerated
waterproof
fiber
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Pending
Application number
CN201911137776.7A
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Chinese (zh)
Inventor
徐纯刚
苏俊
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Shanghai Degao Clothing Co Ltd
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Shanghai Degao Clothing Co Ltd
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Priority to CN201911137776.7A priority Critical patent/CN110820351A/en
Publication of CN110820351A publication Critical patent/CN110820351A/en
Pending legal-status Critical Current

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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
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • 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
    • D06M2101/32—Polyesters
    • 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
    • D06M2200/10—Repellency against liquids
    • D06M2200/12—Hydrophobic properties

Abstract

The invention discloses a waterproof process of regenerated terylene, which comprises five steps. The preparation method of the waterproof process of the regenerated terylene of the invention adds the coating process in the production process of the regenerated terylene, when in use, the coating machine can be utilized to evenly coat the coating glue on the surface of the regenerated terylene, and after high temperature treatment, the coating agent can form thermosetting reticular film through the cross-linking action of the reactive functional group in the self structure, thereby realizing the increase of the integral waterproof performance of the regenerated terylene, and through adding cooling treatment after drying treatment, the regenerated terylene after drying treatment is cooled by adopting the circular air cooling mode, when in use, the regenerated terylene can be effectively radiated, the production time of the terylene is shortened, the static electricity generated in the production and processing process of the regenerated terylene can be reduced, and the trouble of the static electricity generated in the production and processing process of the regenerated terylene to the working of operators is avoided, and optimizing the use process.

Description

Waterproof process of regenerated polyester
Technical Field
The invention relates to the technical field of polyester processing, in particular to a waterproof process of regenerated polyester.
Background
Polyester fiber, commonly known as 'polyester', is a synthetic fiber obtained by spinning polyester formed by polycondensation of organic dibasic acid and dihydric alcohol, called PET fiber for short, belongs to a high molecular compound, is invented in 1941 and is the first major variety of the current synthetic fiber, the polyester fiber has the greatest advantages of good crease resistance and shape retention, higher strength and elastic recovery capability, firmness and durability, crease resistance, no ironing, no wool sticking, high strength, high modulus and low water absorption, has wide application as civil fabrics and industrial fabrics, can be used as textile materials, and can be purely spun and is particularly suitable for being blended with other fibers; the polyester fiber can be blended with natural fibers such as cotton, hemp and wool, and can also be blended with other chemical short fibers such as viscose fiber, acetate fiber, polyacrylonitrile fiber and other short fibers, the pure-spun or blended cotton-like, wool-like and hemp-like fabrics generally have the original excellent characteristics of polyester fiber, such as wrinkle resistance, pleat retention, dimensional stability, wear resistance, washing and wearing performance and the like of the fabrics, and the original defects of the polyester fiber, such as static phenomenon and dyeing difficulty in textile processing, poor sweat absorption and air permeability, easiness in fusing into cavities when encountering mars and the like, can be lightened and improved to a certain extent along with the mixing of hydrophilic fiber.
However, although the existing regenerated polyester has a certain waterproof property, with the increasing improvement of the waterproof performance requirement of the polyester fabric, the existing waterproof finishing process adopting one-dipping-one-binding technology cannot meet the performance requirement of functional clothes, and the whole temperature of the regenerated polyester after drying treatment is high, the cooling speed is low, and the processing of workers is influenced.
Disclosure of Invention
The invention aims to provide a waterproof process of regenerated polyester to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the waterproof process of the regenerated polyester is characterized by comprising the following steps: the method comprises the following five steps:
the method comprises the following steps: the padding waterproof agent comprises the following components: firstly, adding waterproof agents GFA-1, HAC and water, then adding a compound C1-1, then adding a compound AT-1 for development, carrying out soaking and rolling on the regenerated terylene after development, and carrying out drying treatment after the soaking and rolling;
step two: the coating is as follows: adopting domestic nonionic self-crosslinking acrylate coating adhesive emulsion LF to prepare a coating agent, and after the preparation is successful, uniformly coating the coating adhesive on the surface of the regenerated polyester by using a coating machine;
step three: the drying treatment comprises the following steps: in the production process, in order to prevent the polyester from yellowing under high temperature of organic silicon, the temperature is controlled at 163-170 ℃ for 40s during drying treatment, the vehicle speed is not too fast, otherwise, the phenomena of slurry accumulation and slurry leakage occur on the lotus leaf edge during coating due to poor shaping;
step four: and (3) cooling treatment: the regenerated terylene after drying treatment is cooled by adopting a circular air-blowing cooling mode, and the air speed is generally controlled to be 0.5-3.8 m/s, so that the cooling time in the processing process of the regenerated terylene is shortened;
step five: and (3) forming: regenerated polyester utilizes the coiling mechanism to carry out the roll-up to the dacron after cooling treatment, can utilize the cutter to cut off processing to regenerated polyester according to actual demand after collecting to improve the practicality of device.
Further, in the waterproof finishing formula (g/I), the compound AT-1 is 14, the compound CI-1 is 11, the organosilicon waterproofing agent GFA-1 is 21, HAC (pH value is adjusted to be 6) and water are proper, and the temperature is controlled AT (154-159 ℃ for 30s) during drying treatment.
Further, the weight gain of the terylene is related to the distance between the coating knife and the terylene, the larger the knife distance is, the larger the sizing amount is, the weight gain of the terylene is also related to the vehicle speed and the viscosity of the coating slurry, the vehicle speed is slow, the slurry is thin, the coating slurry permeates into the terylene more, the sizing amount is also large, otherwise, the vehicle speed is fast, the slurry is thick, the sizing amount is small, the angle of a scraper, the depth of a knife and the distance of tension rollers are also important factors influencing the sizing amount, and when the scraping angle is 97-98 degrees, the coating effect is the best.
Furthermore, an operator in the production needs to adjust the pulp baffle at any time to prevent the pulp leakage phenomenon caused by the drift of the terylene, and the operator needs to timely remove the foreign matters such as yarn ends at the cloth cover and the scraper edge during processing to prevent the knife strips and the knife lines on the surface of the coating caused by the blockage of the edge by the foreign matters.
Furthermore, the oiling rate is low, the fiber is easy to generate static electricity, the oiling is excessive, the fiber is easy to stick to a roller, the oil-water ratio is controlled to be 18-23 percent usually, and the final oiling rate of the fiber is controlled to be 0.1-0.2 percent, so that the spinnability of the regenerated polyester staple fiber can be ensured.
Furthermore, when the temperature of the regenerated terylene is reduced, the specific heat of cooling air can be increased by increasing the rheumatism, the cooling of the terylene is accelerated, the static electricity generated during processing is reduced, and the relative humidity is controlled to be 64-80%.
Compared with the prior art, the invention has the beneficial effects that: the preparation method of the waterproof process of the regenerated terylene increases the coating process in the production process of the regenerated terylene, can utilize a coating machine to evenly coat coating glue on the surface of the regenerated terylene when in use, and after high-temperature treatment, the coating agent can form a thermosetting reticular film through the cross-linking action of reactive functional groups in the self structure, thereby realizing the increase of the integral waterproof performance of the regenerated terylene, and reduces the static electricity generated in the production and processing process of the regenerated terylene while shortening the production time of the terylene by adding cooling treatment after drying treatment and adopting the circular air cooling mode to cool the dried regenerated terylene, thereby avoiding the static electricity generated in the production and processing process of the regenerated terylene from causing troubles to the working of operators, and optimizing the use process.
Drawings
FIG. 1 is a flow chart of the waterproof process of the regenerated polyester fiber of the present invention;
FIG. 2 is a formula and a proportion diagram of a coating adhesive of the waterproof process of the regenerated polyester.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1, an embodiment of the present invention: the waterproof process of the regenerated polyester is characterized by comprising the following steps: the method comprises the following five steps:
the method comprises the following steps: the padding waterproof agent comprises the following components: firstly, adding waterproof agents GFA-1, HAC and water, then adding a compound C1-1, then adding a compound AT-1 for development, carrying out soaking and rolling on the regenerated terylene after development, and carrying out drying treatment after the soaking and rolling;
step two: the coating is as follows: adopting domestic nonionic self-crosslinking acrylate coating adhesive emulsion LF to prepare a coating agent, and after the preparation is successful, uniformly coating the coating adhesive on the surface of the regenerated polyester by using a coating machine;
step three: the drying treatment comprises the following steps: in the production process, in order to prevent the polyester from yellowing under high temperature of organic silicon, the temperature is controlled at 163-170 ℃ for 40s during drying treatment, the vehicle speed is not too fast, otherwise, the phenomena of slurry accumulation and slurry leakage occur on the lotus leaf edge during coating due to poor shaping;
step four: and (3) cooling treatment: the regenerated terylene after drying treatment is cooled by adopting a circular air-blowing cooling mode, and the air speed is generally controlled to be 0.5-3.8 m/s, so that the cooling time in the processing process of the regenerated terylene is shortened;
step five: and (3) forming: regenerated polyester utilizes the coiling mechanism to carry out the roll-up to the dacron after cooling treatment, can utilize the cutter to cut off processing to regenerated polyester according to actual demand after collecting to improve the practicality of device.
Further, in the waterproof finishing formula (g/I), the compound AT-1 is 14, the compound CI-1 is 11, the organosilicon waterproofing agent GFA-1 is 21, HAC (pH value is adjusted to be 6) and water are in proper amount, and the temperature is controlled to be (154-159 ℃ for 30s) during drying treatment, so that the regenerated terylene has certain waterproofness.
Further, the weight gain of the terylene is related to the distance between a coating knife and the terylene, the knife distance is larger, the sizing amount is larger, the weight gain of the terylene is also related to the vehicle speed and the viscosity of coating slurry, the vehicle speed is slow, the slurry is thin, the coating slurry permeates into the terylene more, the sizing amount is also large, otherwise, the vehicle speed is fast, the slurry is thick, the sizing amount is small, the angle of a scraper, the depth of the scraper and the distance of a tension roller are also important factors influencing the sizing amount in the coating process, the coating effect is best when the scraping angle is 97-98 degrees in processing, when the regenerated terylene is subjected to fine coating, the scraper is required to be adjusted to be in close contact with the regenerated terylene in production and manually added once, so that the coating adhesive can be coated better.
Furthermore, an operator in the production needs to adjust the pulp baffle at any time to prevent the pulp leakage phenomenon caused by the drift of the terylene in the processing process, so that the overall quality of the device is influenced, foreign matters such as yarn ends at the positions of the cloth surface and the scraper edge are removed in time during processing, the knife lines and the like on the surface of the coating layer caused by the blockage of the knife edges by the foreign matters are prevented, and the overall quality of the regenerated terylene of the device is improved.
Furthermore, the oiling rate is low, the fiber is easy to generate static electricity, the oiling is excessive, the fiber is easy to stick to a roller, the oil-water ratio is controlled to be 18% -23% generally, the final oiling rate of the fiber is controlled to be 0.1% -0.2%, the spinnability of the regenerated polyester staple fiber can be guaranteed, the fiber is stored for about 9% -22% after oiling, and the oiling agent can be uniformly dispersed to eliminate internal stress.
Furthermore, the specific heat of cooling air can be increased by increasing the rheumatism when the regenerated terylene is subjected to cooling treatment, the cooling of the terylene is accelerated, the static electricity generated during processing is reduced, the relative humidity in the air is controlled to be 64% -80%, the influence of the static electricity generated during processing of the terylene on the work of an operator is avoided, and the whole processing process is optimized.
Example 2
Firstly, a production process of coating glue:
in order to effectively increase the overall waterproof performance of the regenerated terylene, the technology is added on the original production process of the regenerated terylene so as to improve the overall waterproof performance of the regenerated terylene.
1. Selecting raw materials of the coating adhesive:
1.1, the coating agent adopts domestic nonionic self-crosslinking acrylate coating latex LF with low cost and good performance, has the advantages of good mechanical stability, convenient use, easy adjustment and development, good adhesion of terylene and the like, and can form a thermosetting reticular film through the crosslinking action of reactive functional groups in the self structure after being coated on the terylene and treated at high temperature.
1.2 the thickening agent is acrylic acid type printing and dyeing thickening agent, the thickening agent mainly plays roles of thickening and seepage prevention, so that the coating paste is formed into paste, the paste is easier to be uniform during coating, the coating paste has certain permeability, and the influence of hand feeling is reduced under the condition that the terylene has certain washing fastness.
2. The coating adhesive is prepared by the following formula:
Figure BSA0000195256600000061
the coating paddle and the thickening agent are preferably used for adjusting the viscosity to be 35-40 Pa.s.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The waterproof process of the regenerated polyester is characterized by comprising the following steps: the method comprises the following five steps:
the method comprises the following steps: the padding waterproof agent comprises the following components: firstly, adding waterproof agents GFA-1, HAC and water, then adding a compound C1-1, then adding a compound AT-1 for development, carrying out soaking and rolling on the regenerated terylene after development, and carrying out drying treatment after the soaking and rolling;
step two: the coating is as follows: adopting domestic nonionic self-crosslinking acrylate coating adhesive emulsion LF to prepare a coating agent, and after the preparation is successful, uniformly coating the coating adhesive on the surface of the regenerated polyester by using a coating machine;
step three: the drying treatment comprises the following steps: in the production process, in order to prevent the polyester from yellowing under high temperature of organic silicon, the temperature is controlled at 163-170 ℃ for 40s during drying treatment, the vehicle speed is not too fast, otherwise, the phenomena of slurry accumulation and slurry leakage occur on the lotus leaf edge during coating due to poor shaping;
step four: and (3) cooling treatment: the regenerated terylene after drying treatment is cooled by adopting a circular air-blowing cooling mode, and the air speed is generally controlled to be 0.5-3.8 m/s, so that the cooling time in the processing process of the regenerated terylene is shortened;
step five: and (3) forming: regenerated polyester utilizes the coiling mechanism to carry out the roll-up to the dacron after cooling treatment, can utilize the cutter to cut off processing to regenerated polyester according to actual demand after collecting to improve the practicality of device.
2. The waterproof process of the regenerated polyester fiber as claimed in claim 1, which is characterized in that: in the waterproof finishing formula (g/I), a compound AT-1 is 14, a compound CI-1 is 11, an organosilicon waterproofing agent GFA-1 is 21, HAC (pH value is adjusted to be 6) and water are proper, and the temperature is controlled AT (154-159 ℃ for 30s) during drying treatment.
3. The waterproof process of the regenerated polyester fiber as claimed in claim 1, which is characterized in that: the weight gain of the terylene is related to the distance between the coating knife and the terylene, the bigger the knife distance is, the bigger the sizing amount is, the weight gain of the terylene is also related to the vehicle speed and the viscosity of the coating slurry, the vehicle speed is slow, the slurry is thin, the coating slurry permeates into the terylene for a large amount, the sizing amount is also large, on the contrary, the vehicle speed is fast, the slurry is thick, the sizing amount is small, the angle of the scraper, the depth of the knife and the distance of the tension roller are also important factors influencing the sizing amount, and when the scraping angle is 97-98 degrees, the coating effect is the best.
4. The waterproof process of the regenerated polyester fiber as claimed in claim 1, which is characterized in that: in the production, an operator needs to adjust the pulp baffle at any time to prevent pulp leakage caused by polyester drift, and needs to timely remove foreign matters such as yarn ends at cloth surfaces and scraper openings during processing to prevent knife strips and knife lines on the surface of a coating caused by the fact that the edges are blocked by the foreign matters.
5. The waterproof process of the regenerated polyester fiber as claimed in claim 1, which is characterized in that: the oiling rate is low, the fiber is easy to generate static electricity, the oiling is excessive, the fiber is easy to stick to a roller, the oil-water ratio is controlled to be 18-23 percent usually, and the final oiling rate of the fiber is controlled to be 0.1-0.2 percent, so that the spinnability of the regenerated polyester staple fiber can be ensured.
6. The waterproof process of the regenerated polyester fiber as claimed in claim 1, which is characterized in that: when the temperature of the regenerated terylene is reduced, the specific heat of cooling air can be increased by increasing the rheumatism, the cooling of the terylene is accelerated, the static electricity generated during processing is reduced, and the relative humidity is controlled to be 64-80%.
CN201911137776.7A 2019-11-04 2019-11-04 Waterproof process of regenerated polyester Pending CN110820351A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102978917A (en) * 2012-11-29 2013-03-20 常熟市三利经纬编织造有限公司 Production method of waterproof polyester fabric

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102978917A (en) * 2012-11-29 2013-03-20 常熟市三利经纬编织造有限公司 Production method of waterproof polyester fabric

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王艳霞: "涤纶薄织物精细防水涂层工艺", 丝绸, no. 06, pages 31 - 32 *

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