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CN-122017207-A - Equipment and method for detecting chemical stability resistance of glass substrate

CN122017207ACN 122017207 ACN122017207 ACN 122017207ACN-122017207-A

Abstract

The invention discloses equipment and a method for detecting chemical stability resistance of a glass substrate, relates to the technical field of glass performance detection, and aims to solve the problems that the existing glass substrate detection has high requirements on shape and size of a sample, is complex to operate, has low efficiency and has large error. The device comprises a container body, wherein an edge interlayer is arranged on the periphery of the container body, a heating component is arranged in the container body, a bottom interlayer is arranged at the bottom of the container body, a stirring component is arranged in the container body, a clamping component used for fixing a glass substrate is arranged in the container body, a feed inlet and an exhaust port are formed in the top of the container body and connected with a pressure regulating component, the clamping component is of a four-side closed structure, and the upper surface and the lower surface of the glass substrate are exposed to adapt to corrosion detection. The invention does not need to carry out complex polishing treatment on the sample, is suitable for glass substrates of various shapes, has convenient operation, high efficiency and small error, can accurately reflect the actual chemical corrosion resistance of the glass substrate, and is suitable for quality detection of the glass substrate in the fields of display panels, optical instruments and the like.

Inventors

  • SHU ZHONGZHONG
  • ZHU MINGLIU
  • WANG HUAIYU
  • CHEN XIAODAN
  • WANG LONGLONG
  • YANG RU
  • WANG CHUNYING

Assignees

  • 蚌埠中光电科技有限公司

Dates

Publication Date
20260512
Application Date
20260210

Claims (10)

  1. 1. The utility model provides a glass substrate chemical stability resistant detection's equipment, its characterized in that, including container body (1), be provided with limit portion intermediate layer (2) around container body (1), and be provided with heating element in limit portion intermediate layer (2), the bottom of container body (1) is provided with bottom intermediate layer (3), and is provided with stirring subassembly in bottom intermediate layer (3), be provided with clamping assembly (5) in container body (1) for fixed glass substrate that waits to detect, feed inlet and gas vent (4) have still been seted up at the top of container body (1), be provided with sealed lid in the feed inlet, gas vent (4) are connected with pressure regulating subassembly for control pressure in container body (1).
  2. 2. The device for detecting chemical stability resistance of a glass substrate according to claim 1, wherein the clamping assembly (5) is of a four-side closed structure and is made of acid and alkali corrosion resistant materials, and the clamping assembly (5) is used for exposing the upper surface and the lower surface of the glass substrate.
  3. 3. The device for detecting chemical stability resistance of glass substrates according to claim 2, wherein the clamping assembly (5) comprises a lower clamping frame (51) and an upper clamping plate (52), the upper clamping plate (52) is attached to the inner wall of the lower clamping frame (51), and corrosion openings (53) matched with the exposed parts in size are formed in the outer walls of the lower clamping frame (51) and the upper clamping plate (52).
  4. 4. A device for detecting chemical stability resistance of a glass substrate according to claim 3, wherein the top of the lower clamping frame (51) and the bottom of the upper clamping plate (52) are provided with arc chamfers.
  5. 5. The equipment for detecting chemical stability resistance of a glass substrate according to claim 1, wherein a temperature regulation module (6) is arranged on the outer side of the container body (1) and used for regulating the internal temperature of the container body (1), and a heating button (7) and a stirring button (8) are further arranged on the outer side of the container body (1).
  6. 6. The device for detecting chemical stability resistance of glass substrate according to claim 1, wherein the container body (1) is made of corrosion-resistant alloy or special glass, and a detachable polytetrafluoroethylene lining is arranged inside the container body.
  7. 7. A method for detecting chemical resistance stability of a glass substrate based on the apparatus for detecting chemical resistance stability of a glass substrate according to any one of claims 1 to 6, comprising the steps of: S1, cutting a glass substrate to be detected into fragments suitable for a clamping assembly (5), cleaning the fragments by ultrapure water, drying the fragments to constant weight at 100-150 ℃, and cooling the fragments to room temperature for later use; s2, weighing the initial mass m0 of the dried glass substrate in the step S1 by using weighing equipment, and fixing the glass substrate through a clamping assembly (5) to enable the upper surface and the lower surface to be corroded of the glass substrate to be completely exposed; S3, injecting the reagent solution prepared in the step S1 into the container body (1), setting a reaction temperature through a temperature regulation module (6), starting a heating assembly and a stirring assembly, and placing a clamping assembly (5) fixed with a glass substrate into the container body (1) after the temperature is stable for corrosion reaction; S4, after the reaction is finished, closing the heating assembly and the stirring assembly, releasing pressure after the container body (1) is cooled to room temperature, taking out the glass substrate, repeatedly flushing the glass substrate with ultrapure water, drying the flushed glass substrate to constant weight at 100-150 ℃, and weighing the corroded mass m1 by using weighing equipment; And S5, calculating the mass loss rate of the unit area of the glass substrate according to a formula.
  8. 8. The method for detecting chemical resistance of glass substrate according to claim 7, wherein the exposed portions of the upper and lower surfaces of the glass substrate in the clamping assembly (5) in step S2 are 40.00mm by 60.00mm.
  9. 9. The method for detecting chemical resistance of glass substrate according to claim 8, wherein the calculation formula of the mass loss rate per unit area in the step S7 is ws= (initial mass m0 of glass sample-mass m1 of glass sample after corrosion) 10000/(40 60 2)。
  10. 10. The method for detecting chemical resistance and stability of glass substrate according to claim 7, wherein the chemical reagent in the step S2 comprises hydrochloric acid, hydrofluoric acid and sodium hydroxide solution, and the reaction temperature in the step S4 is adjusted according to the type of the reagent, and the reaction time is 20min-24h.

Description

Equipment and method for detecting chemical stability resistance of glass substrate Technical Field The invention relates to the technical field of glass performance detection, in particular to equipment and a method for detecting chemical stability resistance of a glass substrate. Background Glass substrates find wide application in numerous fields, such as display manufacturing, optical instruments, and the like. However, during actual use, the glass substrate is subject to attack by surrounding media (e.g., water, acids, bases, salts, and other chemicals), and its resistance to such attack, i.e., chemical stability, is critical. The existing method for detecting the chemical stability of glass has certain limitations, for example, although the surface method can reflect the characteristics of the surface and the material of the glass, the surface method has high requirements on the shape and the size of a sample, the surface quality of the glass is strict, the surface area of the glass with irregular shape or low surface quality or a defect sample with bubbles is difficult to accurately calculate, the application range is limited, the powder method is simple and effective and has no requirements on the shape and the surface quality of the sample, but is influenced by factors such as the size and the uniformity of particles, the heat history of the glass, the ratio of erosion liquid to the weight of the sample and the like, and the traditional powder measuring method has long time. Therefore, there is a need to devise a new apparatus and method for more efficiently and accurately detecting chemical resistance stability of glass substrates. Disclosure of Invention The invention aims to solve the problems of high requirements on the shape and the size of a sample, complex operation, low efficiency and large error of the existing glass substrate detection method. In order to solve the problems, the invention provides equipment for detecting chemical stability resistance of a glass substrate, which comprises a container body, wherein an edge interlayer is arranged around the container body, a heating component is arranged in the edge interlayer, a bottom interlayer is arranged at the bottom of the container body, a stirring component is arranged in the bottom interlayer, a clamping component is arranged in the container body and used for fixing the glass substrate to be detected, a feed inlet and an exhaust port are further formed in the top of the container body, a sealing cover is arranged in the feed inlet, and the exhaust port is connected with a pressure regulating component and used for controlling pressure in the container body. Compared with the prior art, the equipment for detecting the chemical stability resistance of the glass substrate has the following beneficial effects: Aiming at the problems of high requirements on the shape and the size of a sample, complicated operation, low efficiency and large error of the existing glass substrate detection method, a heating component is arranged in an edge interlayer in the equipment, the heating component can adopt a resistance wire heating or microwave heating mode, the heating temperature can be accurately controlled, the temperature range is between room temperature and 300 ℃, the heating uniformity is good, the glass sample is ensured to be in a stable temperature environment in the reaction process, and a stirring component is arranged in a bottom interlayer; the stirring assembly is a magnetic stirrer, the magnetic stirring motor is positioned in the bottom interlayer, the rotor is positioned in the container body and rotates along with the motor to generate a rotating magnetic field, the rotor is driven by the rotating magnetic field to synchronously rotate to realize stirring, the stirring speed can be adjusted according to different experimental requirements, a glass sample and a chemical reagent are fully mixed, the uniformity and consistency of the reaction are ensured, the clamping assembly is placed in the inner cavity of the container body, the corrosion surface of the sample to be tested can be a standard testing surface by virtue of the clamping assembly, the corrosion amount per unit area is convenient to calculate, meanwhile, the feeding port at the top of the container body is provided with the sealing cover, the exhaust port is connected with the pressure regulating assembly through a pipeline, the sealing cover ensures the tightness of the container body, the heating assembly regulates and controls the reaction temperature, the stirring assembly uniformly mixes the reagents, the clamping assembly fixes the glass substrate, the pressure regulating assembly maintains the pressure in the container to be stable, the boiling leakage of the reagents is avoided, the equipment is simple, the operability is strong, the limitation of the existing method for detecting the chemical stability of the glass can be made up, and the chemical stabilit