CN114351380A - Nylon 6 cord fabric dipping process - Google Patents
Nylon 6 cord fabric dipping process Download PDFInfo
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- CN114351380A CN114351380A CN202111486939.XA CN202111486939A CN114351380A CN 114351380 A CN114351380 A CN 114351380A CN 202111486939 A CN202111486939 A CN 202111486939A CN 114351380 A CN114351380 A CN 114351380A
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Abstract
The application discloses a nylon 6 cord fabric gum dipping process, which comprises the following steps: leading-out → front cloth storage rack → dipping in bath → suction → first drying area → second drying area → stretching → sizing → rear cloth storage rack → coiling to obtain the nylon 6 dipped cord fabric. The method simplifies the process flow, only needs one-time impregnation, saves the equipment cost, and improves the yield of the cord fabric impregnation process; the adhesive strength of the cord fabric and the rubber is improved by adjusting the tension of each process and setting the temperature, and the cord fabric obtained by the process method disclosed by the application is improved in adhesive adhering amount and good in uniformity.
Description
Technical Field
The application relates to the field of nylon 6 dipped cord fabric production processes, in particular to a nylon 6 cord fabric dipping process.
Background
The dipping process is the most important processing means of the nylon 6 dipped cord fabric, and the dipping is to dip the fabric fiber into the glue solution through a glue solution dipping tank so as to improve the adhesive force between the fabric and the glue material. With the development of modern industry, higher process requirements are provided for the nylon 6 cord fabric, various mechanical property indexes of the cord fabric manufactured by the existing nylon 6 cord fabric dipping process cannot reach a comprehensive balance state, the bonding strength of the cord fabric and rubber is poor, shrinkage is easy to generate when heated, and the stability and fatigue resistance of the cord fabric are required to be further improved, so that proper dipping temperature and tension treatment are researched and formulated, and the high-performance nylon 6 dipping cord fabric with breaking strength, bonding force, breaking elongation and constant-load elongation which can meet the requirements of tires is produced.
Disclosure of Invention
The invention aims to provide a nylon 6 cord fabric glue dipping process to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the embodiment of the application discloses a nylon 6 cord fabric dipping process, which is characterized in that: the gum dipping process flow is as follows: leading-out → front cloth storage rack → dipping in bath → suction → first drying area → second drying area → stretching → sizing → rear cloth storage rack → coiling to obtain the nylon 6 dipped cord fabric.
Preferably, in the nylon 6 cord fabric dipping process, the glue suction frequency in the dipping process is 37-41 Hz.
Preferably, in the nylon 6 cord fabric dipping process, the tension of the dipping area of the dipping bath is 3.5-3.9N, the drying tensions of the first drying area and the second drying area are 4-8N, the tension of the stretching area is 4.5-16N, and the tension of the shaping area is 4-14N.
Preferably, in the nylon 6 cord fabric dipping process, the temperature of the first drying area is 120 +/-5 ℃, the temperature of the second drying area is 150 +/-5 ℃, the temperature of the stretching area is 195 +/-5 ℃, and the temperature of the shaping area is 200 +/-5 ℃.
Preferably, in the nylon 6 cord fabric dipping process, the dipping speed in the dipping process is 65-75 m/min.
Preferably, in the nylon 6 cord fabric dipping glue process, the breaking strength of the nylon 6 cord fabric is 100-210N, the breaking elongation of the cord fabric is 20-25%, and the constant-load elongation is 8-10%.
Preferably, in the nylon 6 cord fabric dipping process, the glue adhering amount of the bath dipping is 4-4.5%, and the H extraction amount is not less than 65N.
Preferably, in the nylon 6 cord fabric dipping process, the width of the dipped cord fabric is 129 +/-1 cm, and the water content is less than or equal to 1.0%.
Compared with the prior art, the invention has the advantages that:
compared with the two-bath impregnation and three-bath impregnation process technologies in the prior art, the process flow is simplified, only one impregnation is needed, the equipment cost is saved, and the yield of the cord fabric impregnation process is improved; the adhesive strength of the cord fabric and the rubber is improved by adjusting the tension of each process and setting the temperature, and the cord fabric obtained by the process method disclosed by the application is improved in adhesive adhering amount and good in uniformity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to 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 embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The present invention will be described in further detail with reference to examples and specific embodiments.
Example 1
Taking 840D/2 gum dipping cord fabric as an example, the gum dipping process flow is applied, and the specific process parameters are as follows: the suction frequency of glue absorption is 41Hz, the tension of a dipping area of bath dipping is 3.6N, the drying tension of a first drying area and a second drying area is 5N, the tension of a stretching area is 8.5N, the tension of a shaping area is 5N, the temperature of the first drying area is 120 +/-5 ℃, the temperature of the second drying area is 150 +/-5 ℃, the temperature of the stretching area is 195 +/-5 ℃, the temperature of the shaping area is 200 +/-5 ℃, and the dipping speed in the dipping process is 65 m/min.
The physical characteristics of the cord fabric prepared by the process parameters are as follows: the breaking strength is more than or equal to 137.7N, the breaking elongation is 22%, the constant load elongation (44.1N) is 9.5%, the breaking strength unevenness is 1.2%, the breaking elongation unevenness is 2.6%, the H extraction is more than or equal to 118.4N, the adhesive content is 4.5%, the water content is less than or equal to 1.0%, and the solid content is 15%.
Example 2
Taking 1260/1 dipped cord fabric as an example, the above dipping process flow is applied, and the specific process parameters are as follows: the suction frequency of glue absorption is 42Hz, the tension of a dipping area of bath dipping is 4.7N, the drying tension of a first drying area and a second drying area is 6N, the tension of a stretching area is 6N, the tension of a shaping area is 5N, the temperature of the first drying area is 125 +/-5 ℃, the temperature of the second drying area is 160 +/-5 ℃, the temperature of the stretching area is 202 +/-5 ℃, the temperature of the shaping area is 202 +/-5 ℃, and the dipping speed in the dipping process is 75 m/min.
The physical characteristics of the cord fabric prepared by the process parameters are as follows: the breaking strength is more than or equal to 108.2N, the breaking elongation is 21%, the constant load elongation (33.1N) is 8.9%, the breaking strength unevenness is 1.6%, the breaking elongation unevenness is 3.1%, the H extraction is more than or equal to 75N, the adhesive content is 4.3%, the water content is less than or equal to 1.0%, and the solid content is 15%.
Example 3
Taking 1680/1 dipped cord fabric as an example, the above dipping process flow is applied, and the specific process parameters are as follows: the suction frequency of glue absorption is 42Hz, the tension of a dipping area of bath dipping is 4.5N, the drying tension of a first drying area and a second drying area is 6N, the tension of a stretching area is 7N, the tension of a shaping area is 7N, the temperature of the first drying area is 125 +/-5 ℃, the temperature of the second drying area is 160 +/-5 ℃, the temperature of the stretching area is 202 +/-5 ℃, the temperature of the shaping area is 202 +/-5 ℃, and the dipping speed in the dipping process is 75 m/min.
The physical characteristics of the cord fabric prepared by the process parameters are as follows: the breaking strength is more than or equal to 138N, the breaking elongation is 21%, the constant load elongation (44.1N) is 9%, the breaking strength unevenness is 1.8%, the breaking elongation unevenness is 3.3%, the H extraction is more than or equal to 83N, the adhesive content is 4.3%, the water content is less than or equal to 1.0%, and the solid content is 15%.
Example 4
Taking 1260/2 dipped cord fabric as an example, the above dipping process flow is applied, and the specific process parameters are as follows: the suction frequency of glue absorption is 39Hz, the tension of a dipping area of bath dipping is 4.4N, the drying tension of a first drying area and a second drying area is 10N, the tension of a stretching area is 18N, the tension of a shaping area is 16N, the temperature of the first drying area is 125 +/-5 ℃, the temperature of the second drying area is 160 +/-5 ℃, the temperature of the stretching area is 202 +/-5 ℃, the temperature of the shaping area is 202 +/-5 ℃, and the dipping speed in the dipping process is 65 m/min.
The physical characteristics of the cord fabric prepared by the process parameters are as follows: the breaking strength is more than or equal to 207N, the breaking elongation is 24%, the constant load elongation (66.1N) is 9.7%, the breaking strength unevenness is 2.3%, the breaking elongation unevenness is 4.1%, H extraction is more than or equal to 147N, the adhesive content is 4.5%, the water content is less than or equal to 1.0%, and the solid content is 16%.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.
Claims (8)
1. A nylon 6 cord fabric dipping process is characterized in that: the gum dipping process flow is as follows: leading-out → front cloth storage rack → dipping in bath → suction → first drying area → second drying area → stretching → sizing → rear cloth storage rack → coiling to obtain the nylon 6 dipped cord fabric.
2. The nylon 6 cord fabric dipping process according to claim 1, characterized in that: the glue sucking and sucking frequency in the glue dipping process is 37-41 Hz.
3. The nylon 6 cord fabric dipping process according to claim 1, characterized in that: the tension of the bath impregnation area is 3.5-3.9N, the drying tension of the first drying area and the second drying area is 4-8N, the tension of the stretching area is 4.5-16N, and the tension of the shaping area is 4-14N.
4. The nylon 6 cord fabric dipping process according to claim 1, characterized in that: the temperature of the first drying area is 120 +/-5 ℃, the temperature of the second drying area is 150 +/-5 ℃, the temperature of the stretching area is 195 +/-5 ℃, and the temperature of the shaping area is 200 +/-5 ℃.
5. The nylon 6 cord fabric dipping process according to claim 1, characterized in that: the dipping speed in the dipping process is 65-75 m/min.
6. The nylon 6 cord fabric dipping process according to claim 1, characterized in that: the breaking strength of the nylon 6 cord fabric is 100-210N, the breaking elongation of the cord fabric is 20-25%, and the constant-load elongation of the cord fabric is 8-10%.
7. The nylon 6 cord fabric dipping process according to claim 1, characterized in that: the glue adhering amount of the bath dipping is 4-4.5%, and the H extraction amount is more than or equal to 65N.
8. The nylon 6 cord fabric dipping process according to claim 1, characterized in that: the width of the dipped cord fabric is 129 +/-1 cm, and the water content is less than or equal to 1.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111486939.XA CN114351380A (en) | 2021-12-07 | 2021-12-07 | Nylon 6 cord fabric dipping process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111486939.XA CN114351380A (en) | 2021-12-07 | 2021-12-07 | Nylon 6 cord fabric dipping process |
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| CN114351380A true CN114351380A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111486939.XA Pending CN114351380A (en) | 2021-12-07 | 2021-12-07 | Nylon 6 cord fabric dipping process |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06123036A (en) * | 1992-10-08 | 1994-05-06 | Asahi Chem Ind Co Ltd | Production of ultrahigh-strength cord for reinforcing rubber |
| CN103361984A (en) * | 2012-04-10 | 2013-10-23 | 江阴市强力化纤有限公司 | Chinlon cord fabrics with high rubber coverage rate |
| CN105937185A (en) * | 2016-06-14 | 2016-09-14 | 平顶山神马帘子布发展有限公司 | Method for improving initial adhesive force of nylon 66 dipped tyre cord fabric |
| CN109137212A (en) * | 2018-07-30 | 2019-01-04 | 江苏百利达股份有限公司 | A kind of production line and method of chinlon 6 dipped tire core fabric |
-
2021
- 2021-12-07 CN CN202111486939.XA patent/CN114351380A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06123036A (en) * | 1992-10-08 | 1994-05-06 | Asahi Chem Ind Co Ltd | Production of ultrahigh-strength cord for reinforcing rubber |
| CN103361984A (en) * | 2012-04-10 | 2013-10-23 | 江阴市强力化纤有限公司 | Chinlon cord fabrics with high rubber coverage rate |
| CN105937185A (en) * | 2016-06-14 | 2016-09-14 | 平顶山神马帘子布发展有限公司 | Method for improving initial adhesive force of nylon 66 dipped tyre cord fabric |
| CN109137212A (en) * | 2018-07-30 | 2019-01-04 | 江苏百利达股份有限公司 | A kind of production line and method of chinlon 6 dipped tire core fabric |
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