Method for manufacturing test sample of wet air cross-linked sol
A production method and wet air technology, applied in the field of detection, can solve problems such as thickness errors
Pending Publication Date: 2022-07-15
江苏集萃未来城市应用技术研究所有限公司
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Problems solved by technology
The problem encountered during production is that after cross-linking, the test sample will retract, forming a spherical crown-shaped concave on its surface, so that there is a large error between the thickness of the test sample and the thickness required by the experiment.
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[0030] The case is further described below in conjunction with the accompanying drawings and specific embodiments:
[0031] A method for making a test sample of a moist air cross-linked sol, comprising the steps of:
[0032] 1) Pour liquid sol in an airtight container;
[0033] 2) Maintain humidity and pressure on the liquid sol in the container;
[0034] 3) After the sol cross-linking is completed, take out the glue block;
[0035] 4) According to the experimental requirements for the shape of the test sample, cut the plastic block;
[0036] refer to figure 1 , in the step 1), the airtight container includes a box body and flower mud; the flower mud is in the box body, and a plastic block mold cavity is dug in the flower mud; Both the channel and the exhaust channel are communicated with the film cavity of the glue block, and both the glue injection channel and the exhaust channel are communicated with the atmosphere;
[0037] The liquid sol is poured into the film cavit...
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The invention relates to a method for manufacturing a test sample of wet air cross-linked sol. The method comprises the following steps: 1) pouring liquid sol into a closed container; 2) keeping humidity and pressure of the liquid sol in the container; (3) after the sol crosslinking is completed, taking out a gel block; and 4) cutting the rubber block according to the requirement of the test on the shape of the test sample. In the step 1), the closed container comprises a box body and flower mud; the flower mud is arranged in the box body, and a rubber block mold cavity is dug in the flower mud; a glue injection channel and an exhaust channel are further formed in the flower mud, both the glue injection channel and the exhaust channel are communicated with the glue block mold cavity, and both the glue injection channel and the exhaust channel are communicated with the atmosphere; liquid sol is injected into the glue block mold cavity through the glue injection channel until the liquid sol overflows into the exhaust channel; the flower mud is in a water absorption state; in the step (2), after the step (1) is completed, a glue injection channel and an exhaust channel are both communicated with an air pressure generating device, and the pressure in a glue block mold cavity is kept; moisturizing the flower mud; in the step (3), the surfaces of the taken-out rubber blocks are treated, and bonded foreign matter is removed.
Description
technical field [0001] The technical invention and creation belong to the technical field of detection, in particular to a method for making a test sample of a moist air cross-linked sol. Background technique [0002] In the prior art, in order to detect the performance of products such as sealants after cross-linking (curing), it is necessary to sample the sol and then cross-link to obtain a test sample before testing. In the case of humid air cross-linked sol, the traditional method is to place the sol in a petri dish, in the air or in a temperature-preserving and moisturizing test box, and after it is cross-linked, take it out for various experiments. The problem encountered during the production is that after cross-linking, the test sample will shrink, forming a spherical cap-shaped concave on its surface, so that there is a large error between the thickness of the test sample and the thickness required by the experiment. SUMMARY OF THE INVENTION [0003] In order to ...
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IPC IPC(8): G01N1/28
CPCG01N1/28
Inventor 蒋宽张华周磊
Owner 江苏集萃未来城市应用技术研究所有限公司