Seabed plate for jacquard knitting machine and preparation method thereof
By using raw materials such as SiO2 sol and modified PET, SiO2/PET composite subsea plates with high tensile and compressive strength were prepared, which solved the problem of poor performance of the subsea plate of the jacquard braid and significantly improved service life and impact toughness.
Patent Information
- Application Number
- CN202510148855.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-05-13
AI Technical Summary
The performance of the jacquard braiding machine has poor seabed plates, which leads to frequent replacement, affecting the working efficiency of the machine, and is prone to damage, which requires time-consuming cleaning.
The SiO2/PET composite seabed is prepared through a specific preparation process using raw materials such as SiO2 sol, modified polyester cellulone (PET) and ethylene glycol glycerol (EG). The process includes adjusting pH, esterification and polymerization to form a seabed plate with high tensile strength and compressive strength.
It significantly improves the service life of the seabed plate for jacquard braiding machine, enhances its impact toughness, stability and preparation performance, and avoids damage and frequent replacement of the seabed plate during use.
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Figure BDA0005267399220000071 
Figure BDA0005267399220000081
Abstract
Description
Technical Field
[0001] The present invention relates to the field of preparation of seabed plates, and in particular to a seabed plate for a jacquard weaving machine and a preparation method thereof. Background Art
[0002] A jacquard knitting machine is a machine that can weave complex patterns. It usually has a high degree of automation and can achieve different weaving effects through preset programs or pattern designs. Jacquard knitting machines are widely used in the textile industry and can be used to produce various types of fabrics, such as sweaters, scarves, blankets, etc. It can create rich and diverse patterns and textures to meet the needs of different consumers. The working principle of this machine is generally to control the movement of different needles or hooks to select different colors or types of yarns for weaving, thereby forming a specific pattern. Some advanced jacquard knitting machines can also be combined with computer-aided design software to achieve more precise and complex pattern design.
[0003] The performance of the bottom plate of the jacquard weaving machine is poor, which requires frequent replacement of the bottom plate, causing the jacquard weaving machine to often stop, which seriously affects the working efficiency of the jacquard weaving machine. In addition, the bottom plate is easily damaged, which requires time-consuming cleaning and also affects the work of the jacquard weaving machine. Summary of the Invention
[0004] The main purpose of the present invention is to provide a seabed plate for a jacquard weaving machine and a preparation method thereof, which can effectively solve the problems in the background technology.
[0005] To achieve the above object, the technical solution adopted by the present invention is:
[0006] A seabed plate for a jacquard weaving machine, the raw materials of which include SiO2 sol, PTA, EG, a catalyst ethylene glycol antimony, and a stabilizer. The raw materials include 20-30 parts of SiO2 sol, 40-60 parts of PTA, 2-10 parts of EG, 2-8 parts of catalyst ethylene glycol antimony, and 2-15 parts of stabilizer in parts by mass. The SiO2 sol includes distilled water, ethylene glycol, hydrochloric acid, ammonia water, TOES, and KH-560. The raw materials include 5-10 parts of distilled water, 50-60 parts of ethylene glycol, 2-15 parts of hydrochloric acid, 2-10 parts of ammonia water, 10-20 parts of TOES, and 2-10 parts of KH-560 in parts by mass.
[0007] Preferably, the mass parts include 30 parts of SiO2 sol, 60 parts of PTA, 5 parts of EG, 2 parts of catalyst ethylene glycol antimony, and 3 parts of stabilizer, and the mass parts include 10 parts of distilled water, 60 parts of ethylene glycol, 2 parts of hydrochloric acid, 3 parts of ammonia water, 20 parts of TOES, and 5 parts of KH-560.
[0008] Preferably, the composition comprises 25 parts of SiO2 sol, 55 parts of PTA, 10 parts of EG, 3 parts of catalyst ethylene glycol antimony, and 7 parts of stabilizer in parts by mass, and the composition comprises 10 parts of distilled water, 50 parts of ethylene glycol, 15 parts of hydrochloric acid, 5 parts of ammonia water, 15 parts of TOES, and 5 parts of KH-560 in parts by mass.
[0009] Preferably, the composition comprises 20 parts of SiO2 sol, 60 parts of PTA, 8 parts of EG, 5 parts of catalyst ethylene glycol antimony, and 7 parts of stabilizer in parts by mass, and the composition comprises 10 parts of distilled water, 55 parts of ethylene glycol, 5 parts of hydrochloric acid, 10 parts of ammonia water, 10 parts of TOES, and 10 parts of KH-560 in parts by mass.
[0010] A method for preparing a seabed plate for a jacquard weaving machine comprises the following steps:
[0011] S1: Prepare raw materials: distilled water, ethylene glycol, hydrochloric acid, ammonia, TOES, KH-560, PTA, EG, catalyst ethylene glycol antimony, stabilizer;
[0012] S2: Prepare the following equipment: measuring cylinder, beaker, three-necked flask, PTFE stirrer, constant temperature water bath, constant pressure dropping funnel, stirrer, reactor, vacuum pump;
[0013] S3: Preparation of SiO2 sol: Use a measuring cylinder to measure distilled water and ethylene glycol and pour them into a beaker; adjust the pH to 5-7 with hydrochloric acid and ammonia water, pour them into a three-necked flask, and insert a PTFE stirrer; place the three-necked flask in a constant temperature water bath, fix it, insert a constant pressure dropping funnel, and heat it to 50°C; use a measuring tube to measure TOES and pour it into the constant pressure dropping funnel; turn on the stirrer, control the speed to 500 rpm, open the constant pressure dropping funnel, and slowly add TEOS; after the dripping is completed, close the constant pressure dropping funnel, add KH-560, and continue the reaction for 1 hour; heat it to 60°C, continue the reaction for 3 hours, and then end the reaction;
[0014] S4: Preparation of seabed plate: weigh PTA and EG; take half of EG, pour the catalyst ethylene glycol antimony into EG, heat and stir until the solution is clear; pour the prepared SiO2 sol into EG, stir at high speed for 10 minutes; pour all the EG into the reactor, turn on the stirring and electric heating of the reactor; slowly add PTA to the reactor, and finally add the stabilizer; close the feed port of the reactor, fill the reactor with nitrogen to 0.3MPa, open the outlet valve to release air to 0.08MPa, and repeat four times; when After the temperature rises to 200°C, the pressure of the reactor is maintained at 0.2MPa by controlling the air outlet valve, and the esterification reaction is carried out under this condition; when the temperature rises to 265°C, the vacuum pump is turned on to maintain a negative pressure of 0.08MPa in the reactor to carry out the polymerization reaction; after 3 hours, when the agitator current reaches the specified value, the reactor is pressurized to 0.1MPa and the discharge valve is opened to generate SiO2 / PET composite material, which is then water-cooled and sliced into seabed plates for jacquard weaving machines.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] The modified PET is applied to the seabed plate for jacquard weaving machines, which significantly improves the various indicators of the seabed plate for jacquard weaving machines. During use, its service life can be effectively improved. During preparation, by changing the pH value, the overall preparation performance is made more stable, and the SiO2 sol can be dispersed more evenly in the PET matrix, and its overall tensile strength and compressive strength can also be guaranteed, making it have high impact resistance and toughness. The particle size of SiO2 particles is about 1nm, the surface area is large, and the proportion of surface atoms is very high. The surface atoms are different from the internal atoms and have unsaturated residual bonds. These exposed surface atoms will generate a certain force with the matrix, which will hinder and passivate the expansion of cracks in the PET matrix, and finally terminate the cracks so that they will not develop into destructive cracking, and also have a strengthening and toughening effect. DETAILED DESCRIPTION
[0017] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0018] Example 1:
[0019] A seabed plate for a jacquard weaving machine, the raw materials of which include SiO2 sol, PTA, EG, a catalyst ethylene glycol antimony, and a stabilizer. The raw materials include, by weight, 20-30 parts of SiO2 sol, 40-60 parts of PTA, 2-10 parts of EG, 2-8 parts of catalyst ethylene glycol antimony, and 2-15 parts of stabilizer. The SiO2 sol includes distilled water, ethylene glycol, hydrochloric acid, ammonia water, TOES, and KH-560. The raw materials include, by weight, 5-10 parts of distilled water, 50-60 parts of ethylene glycol, 2-15 parts of hydrochloric acid, 2-10 parts of ammonia water, 10-20 parts of TOES, and 2-10 parts of KH-560.
[0020] The mass parts include 30 parts of SiO2 sol, 60 parts of PTA, 5 parts of EG, 2 parts of catalyst ethylene glycol antimony, and 3 parts of stabilizer. The mass parts include 10 parts of distilled water, 60 parts of ethylene glycol, 2 parts of hydrochloric acid, 3 parts of ammonia water, 20 parts of TOES, and 5 parts of KH-560.
[0021] A method for preparing a seabed plate for a jacquard weaving machine comprises the following steps:
[0022] S1: Prepare raw materials: distilled water, ethylene glycol, hydrochloric acid, ammonia, TOES, KH-560, PTA, EG, catalyst ethylene glycol antimony, stabilizer;
[0023] S2: Prepare the following equipment: measuring cylinder, beaker, three-necked flask, PTFE stirrer, constant temperature water bath, constant pressure dropping funnel, stirrer, reactor, vacuum pump;
[0024] S3: Preparation of SiO2 sol: Use a measuring cylinder to measure distilled water and ethylene glycol and pour them into a beaker; adjust the pH to 5-7 with hydrochloric acid and ammonia water, pour them into a three-necked flask, and insert a PTFE stirrer; place the three-necked flask in a constant temperature water bath, fix it, insert a constant pressure dropping funnel, and heat it to 50°C; use a measuring tube to measure TOES and pour it into the constant pressure dropping funnel; turn on the stirrer, control the speed to 500 rpm, open the constant pressure dropping funnel, and slowly add TEOS; after the dripping is completed, close the constant pressure dropping funnel, add KH-560, and continue the reaction for 1 hour; heat it to 60°C, continue the reaction for 3 hours, and then end the reaction;
[0025] S4: Preparation of seabed plate: weigh PTA and EG; take half of EG, pour the catalyst ethylene glycol antimony into EG, heat and stir until the solution is clear; pour the prepared SiO2 sol into EG, stir at high speed for 10 minutes; pour all the EG into the reactor, turn on the stirring and electric heating of the reactor; slowly add PTA to the reactor, and finally add the stabilizer; close the feed port of the reactor, fill the reactor with nitrogen to 0.3MPa, open the outlet valve to release air to 0.08MPa, and repeat four times; when After the temperature rises to 200°C, the pressure of the reactor is maintained at 0.2MPa by controlling the air outlet valve, and the esterification reaction is carried out under this condition; when the temperature rises to 265°C, the vacuum pump is turned on to maintain a negative pressure of 0.08MPa in the reactor to carry out the polymerization reaction; after 3 hours, when the agitator current reaches the specified value, the reactor is pressurized to 0.1MPa and the discharge valve is opened to generate SiO2 / PET composite material, which is then water-cooled and sliced into seabed plates for jacquard weaving machines.
[0026] Example 2:
[0027] A seabed plate for a jacquard weaving machine, the raw materials of which include SiO2 sol, PTA, EG, a catalyst ethylene glycol antimony, and a stabilizer. The raw materials include, by weight, 20-30 parts of SiO2 sol, 40-60 parts of PTA, 2-10 parts of EG, 2-8 parts of catalyst ethylene glycol antimony, and 2-15 parts of stabilizer. The SiO2 sol includes distilled water, ethylene glycol, hydrochloric acid, ammonia water, TOES, and KH-560. The raw materials include, by weight, 5-10 parts of distilled water, 50-60 parts of ethylene glycol, 2-15 parts of hydrochloric acid, 2-10 parts of ammonia water, 10-20 parts of TOES, and 2-10 parts of KH-560.
[0028] The mass parts include 25 parts of SiO2 sol, 55 parts of PTA, 10 parts of EG, 3 parts of catalyst ethylene glycol antimony, and 7 parts of stabilizer. The mass parts include 10 parts of distilled water, 50 parts of ethylene glycol, 15 parts of hydrochloric acid, 5 parts of ammonia water, 15 parts of TOES, and 5 parts of KH-560.
[0029] A method for preparing a seabed plate for a jacquard weaving machine comprises the following steps:
[0030] S1: Prepare raw materials: distilled water, ethylene glycol, hydrochloric acid, ammonia, TOES, KH-560, PTA, EG, catalyst ethylene glycol antimony, stabilizer;
[0031] S2: Prepare the following equipment: measuring cylinder, beaker, three-necked flask, PTFE stirrer, constant temperature water bath, constant pressure dropping funnel, stirrer, reactor, vacuum pump;
[0032] S3: Preparation of SiO2 sol: Use a measuring cylinder to measure distilled water and ethylene glycol and pour them into a beaker; adjust the pH to 5-7 with hydrochloric acid and ammonia water, pour them into a three-necked flask, and insert a PTFE stirrer; place the three-necked flask in a constant temperature water bath, fix it, insert a constant pressure dropping funnel, and heat it to 50°C; use a measuring tube to measure TOES and pour it into the constant pressure dropping funnel; turn on the stirrer, control the speed to 500 rpm, open the constant pressure dropping funnel, and slowly add TEOS; after the dripping is completed, close the constant pressure dropping funnel, add KH-560, and continue the reaction for 1 hour; heat it to 60°C, continue the reaction for 3 hours, and then end the reaction;
[0033] S4: Preparation of seabed plate: weigh PTA and EG; take half of EG, pour the catalyst ethylene glycol antimony into EG, heat and stir until the solution is clear; pour the prepared SiO2 sol into EG, stir at high speed for 10 minutes; pour all the EG into the reactor, turn on the stirring and electric heating of the reactor; slowly add PTA to the reactor, and finally add the stabilizer; close the feed port of the reactor, fill the reactor with nitrogen to 0.3MPa, open the outlet valve to release air to 0.08MPa, and repeat four times; when After the temperature rises to 200°C, the pressure of the reactor is maintained at 0.2MPa by controlling the air outlet valve, and the esterification reaction is carried out under this condition; when the temperature rises to 265°C, the vacuum pump is turned on to maintain a negative pressure of 0.08MPa in the reactor to carry out the polymerization reaction; after 3 hours, when the agitator current reaches the specified value, the reactor is pressurized to 0.1MPa and the discharge valve is opened to generate SiO2 / PET composite material, which is then water-cooled and sliced into seabed plates for jacquard weaving machines.
[0034] Example 3:
[0035] A seabed plate for a jacquard weaving machine, the raw materials of which include SiO2 sol, PTA, EG, a catalyst ethylene glycol antimony, and a stabilizer. The raw materials include, by weight, 20-30 parts of SiO2 sol, 40-60 parts of PTA, 2-10 parts of EG, 2-8 parts of catalyst ethylene glycol antimony, and 2-15 parts of stabilizer. The SiO2 sol includes distilled water, ethylene glycol, hydrochloric acid, ammonia water, TOES, and KH-560. The raw materials include, by weight, 5-10 parts of distilled water, 50-60 parts of ethylene glycol, 2-15 parts of hydrochloric acid, 2-10 parts of ammonia water, 10-20 parts of TOES, and 2-10 parts of KH-560.
[0036] The mass parts include 20 parts of SiO2 sol, 60 parts of PTA, 8 parts of EG, 5 parts of catalyst ethylene glycol antimony, and 7 parts of stabilizer. The mass parts include 10 parts of distilled water, 55 parts of ethylene glycol, 5 parts of hydrochloric acid, 10 parts of ammonia water, 10 parts of TOES, and 10 parts of KH-560.
[0037] A method for preparing a seabed plate for a jacquard weaving machine comprises the following steps:
[0038] S1: Prepare raw materials: distilled water, ethylene glycol, hydrochloric acid, ammonia, TOES, KH-560, PTA, EG, catalyst ethylene glycol antimony, stabilizer;
[0039] S2: Prepare the following equipment: measuring cylinder, beaker, three-necked flask, PTFE stirrer, constant temperature water bath, constant pressure dropping funnel, stirrer, reactor, vacuum pump;
[0040] S3: Preparation of SiO2 sol: Use a measuring cylinder to measure distilled water and ethylene glycol and pour them into a beaker; adjust the pH to 5-7 with hydrochloric acid and ammonia water, pour them into a three-necked flask, and insert a PTFE stirrer; place the three-necked flask in a constant temperature water bath, fix it, insert a constant pressure dropping funnel, and heat it to 50°C; use a measuring tube to measure TOES and pour it into the constant pressure dropping funnel; turn on the stirrer, control the speed to 500 rpm, open the constant pressure dropping funnel, and slowly add TEOS; after the dripping is completed, close the constant pressure dropping funnel, add KH-560, and continue the reaction for 1 hour; heat it to 60°C, continue the reaction for 3 hours, and then end the reaction;
[0041] S4: Preparation of seabed plate: weigh PTA and EG; take half of EG, pour the catalyst ethylene glycol antimony into EG, heat and stir until the solution is clear; pour the prepared SiO2 sol into EG, stir at high speed for 10 minutes; pour all the EG into the reactor, turn on the stirring and electric heating of the reactor; slowly add PTA to the reactor, and finally add the stabilizer; close the feed port of the reactor, fill the reactor with nitrogen to 0.3MPa, open the outlet valve to release air to 0.08MPa, and repeat four times; when After the temperature rises to 200°C, the pressure of the reactor is maintained at 0.2MPa by controlling the air outlet valve, and the esterification reaction is carried out under this condition; when the temperature rises to 265°C, the vacuum pump is turned on to maintain a negative pressure of 0.08MPa in the reactor to carry out the polymerization reaction; after 3 hours, when the agitator current reaches the specified value, the reactor is pressurized to 0.1MPa and the discharge valve is opened to generate SiO2 / PET composite material, which is then water-cooled and sliced into seabed plates for jacquard weaving machines.
[0042] The performance of the seabed plate prepared by the invention is compared with the common seabed plates on the market, wherein the common seabed plate on the market is marked as comparative example 1. The following is a comparison table:
[0043]
[0044]
[0045] It can be seen that the seabed plate manufactured in this application has obvious improvements in various indicators.
[0046] The modified PET is applied to the seabed plate for jacquard weaving machines, which significantly improves the various indicators of the seabed plate for jacquard weaving machines. During use, its service life can be effectively improved. During preparation, by changing the pH value, the overall preparation performance is made more stable, and the SiO2 sol can be dispersed more evenly in the PET matrix, and its overall tensile strength and compressive strength can also be guaranteed, making it have high impact resistance and toughness. The particle size of SiO2 particles is about 1nm, the surface area is large, and the proportion of surface atoms is very high. The surface atoms are different from the internal atoms and have unsaturated residual bonds. These exposed surface atoms will generate a certain force with the matrix, which will hinder and passivate the expansion of cracks in the PET matrix, and finally terminate the cracks so that they will not develop into destructive cracking, and also have a strengthening and toughening effect.
[0047] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
Claims
1. A seabed plate for a jacquard weaving machine, characterized in that: The raw materials include SiO2 sol, PTA, EG, catalyst ethylene glycol antimony, and stabilizer. The weight proportions include 20-30 parts of SiO2 sol, 40-60 parts of PTA, 2-10 parts of EG, 2-8 parts of catalyst ethylene glycol antimony, and 2-15 parts of stabilizer. The SiO2 sol includes distilled water, ethylene glycol, hydrochloric acid, ammonia water, TOES, and KH-560. The weight proportions include 5-10 parts of distilled water, 50-60 parts of ethylene glycol, 2-15 parts of hydrochloric acid, 2-10 parts of ammonia water, 10-20 parts of TOES, and 2-10 parts of KH-560.
2. The bottom plate for a jacquard weaving machine according to claim 1, characterized in that: The mass parts include 30 parts of SiO2 sol, 60 parts of PTA, 5 parts of EG, 2 parts of catalyst ethylene glycol antimony, and 3 parts of stabilizer. The mass parts include 10 parts of distilled water, 60 parts of ethylene glycol, 2 parts of hydrochloric acid, 3 parts of ammonia water, 20 parts of TOES, and 5 parts of KH-560.
3. The bottom plate for a jacquard weaving machine according to claim 1, characterized in that: The mass parts include 25 parts of SiO2 sol, 55 parts of PTA, 10 parts of EG, 3 parts of catalyst ethylene glycol antimony, and 7 parts of stabilizer. The mass parts include 10 parts of distilled water, 50 parts of ethylene glycol, 15 parts of hydrochloric acid, 5 parts of ammonia water, 15 parts of TOES, and 5 parts of KH-560.
4. The bottom plate for a jacquard weaving machine according to claim 1, characterized in that: The mass parts include 20 parts of SiO2 sol, 60 parts of PTA, 8 parts of EG, 5 parts of catalyst ethylene glycol antimony, and 7 parts of stabilizer. The mass parts include 10 parts of distilled water, 55 parts of ethylene glycol, 5 parts of hydrochloric acid, 10 parts of ammonia water, 10 parts of TOES, and 10 parts of KH-560.
5. The method for preparing a seabed plate for a jacquard weaving machine according to claim 1, characterized in that: The steps include: S1: Prepare raw materials: distilled water, ethylene glycol, hydrochloric acid, ammonia water, TOES, KH-560, PTA, EG, catalyst ethylene glycol antimony, stabilizer; S2: Prepare the following equipment: measuring cylinder, beaker, three-necked flask, PTFE stirrer, constant temperature water bath, constant pressure dropping funnel, stirrer, reactor, vacuum pump; S3: Preparation of SiO2 sol: Use a measuring cylinder to measure distilled water and ethylene glycol and pour them into a beaker; use hydrochloric acid and ammonia water to adjust the pH to 5-7 and then pour it into a three-necked flask and insert a PTFE stirrer; Place the three-necked flask in a constant temperature water bath, fix it, insert a constant pressure dropping funnel, and heat it to 50°C; use a measuring tube to measure TOES and pour it into the constant pressure dropping funnel; turn on the stirrer, control the speed to 500rpm, open the constant pressure dropping funnel, and slowly drip TEOS; after dripping, close the constant pressure dropping funnel, add KH-560, and continue to react for 1h; heat it to 60°C, continue to react for 3h, and then end the reaction; S4: Preparation of seabed plate: weigh PTA and EG; take half of EG, pour the catalyst antimony ethylene glycol into EG, heat and stir until the solution is clear; pour the prepared SiO2 sol into EG, and stir at high speed for 10 minutes; Pour all the EG into the reactor, turn on the stirring and electric heating of the reactor; Slowly add PTA into the reactor, and finally add the stabilizer; close the feed port of the reactor, fill the reactor with nitrogen to 0.3MPa, open the air outlet valve to release air to 0.08MPa, and repeat four times; when the temperature rises to 200°C, maintain the reactor pressure at 0.2MPa by controlling the air outlet valve, and carry out esterification reaction under this condition; when the temperature rises to 265°C, turn on the vacuum pump to maintain a negative pressure of 0.08MPa in the reactor, and carry out polymerization reaction; after 3 hours, when the agitator current reaches the specified value, pressurize the reactor to 0.1MPa, open the discharge valve, and generate SiO2 / PET composite material, which is sliced and made into seabed plate for jacquard weaving machine after water cooling.