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Artificial accelerated aging system for sealant and artificial accelerated aging method for sealant

An accelerated aging and sealant technology, applied in the direction of applying repetitive force/pulsation force to test the strength of materials, using mechanical devices, instruments, etc., can solve the problems that the detection performance of silicone structural sealants cannot be achieved, and achieve wide applicability, The effect of improving accuracy and precision

Active Publication Date: 2022-05-17
GUANGZHOU BAIYUN CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these tests are mainly performance tests under the influence of a single factor, and there is no standard under the common conditions of the three factors
The sealant in glass curtain wall components is mainly subjected to shear stress in the case of earthquake (longitudinal seismic wave), self-weight and deformation caused by temperature difference, and mainly subjected to tensile stress in the case of wind pressure and earthquake (transverse seismic wave). At present, traditional The advanced sealant performance testing device cannot detect the performance of silicone structural sealants when they are soaked in water or solution, fatigue cycle and high temperature.

Method used

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  • Artificial accelerated aging system for sealant and artificial accelerated aging method for sealant
  • Artificial accelerated aging system for sealant and artificial accelerated aging method for sealant
  • Artificial accelerated aging system for sealant and artificial accelerated aging method for sealant

Examples

Experimental program
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Effect test

Embodiment 1

[0078] This embodiment provides an artificial accelerated aging method for sealant using the above-mentioned artificial accelerated aging system 10 for sealant. This embodiment simulates the environment of a rainy area with a large temperature difference between day and night.

[0079] The structure of the test piece 20 includes a first substrate 21 , a second substrate 23 and a sealant 22 , the first substrate 21 is a glass plate, the sealant 22 is a silicone structural sealant, and the second substrate 23 is an aluminum plate. The sealant 22 is located between the first substrate 21 and the second substrate 23 , and the first substrate 21 , the second substrate 23 and the sealant 22 form an "I" shape. It is not difficult to understand that the first substrate 21 and the second substrate 23 in the test piece 20 can also be other plate materials. At the same time, the positions of the first substrate 21 and the second substrate 23 can be reversed, and they can also be both the ...

Embodiment 2

[0082] This embodiment provides an artificial accelerated aging method for sealant using the above-mentioned artificial accelerated aging system 10 for sealant. This embodiment simulates the environment in an acid rainy and windy area.

[0083] The structure of the test piece 20 includes a first substrate 21 , a second substrate 23 and a sealant 22 , the first substrate 21 is a glass plate, the sealant 22 is a silicone structural sealant, and the second substrate 23 is an aluminum plate. The sealant 22 is located between the first substrate 21 and the second substrate 23 , and the first substrate 21 , the second substrate 23 and the sealant 22 form an "I" shape. It is not difficult to understand that the first substrate 21 and the second substrate 23 in the test piece 20 can also be other plate materials. At the same time, the positions of the first substrate 21 and the second substrate 23 can be reversed, and they can also be both the first substrate 21 or the second substrate...

Embodiment 3

[0086] This embodiment provides an artificial accelerated aging method for sealant using the above-mentioned artificial accelerated aging system 10 for sealant. This embodiment simulates the environment of a seaside windy and humid area.

[0087] The structure of the test piece 20 includes a first substrate 21 , a second substrate 23 and a sealant 22 , the first substrate 21 is a glass plate, the sealant 22 is a silicone structural sealant, and the second substrate 23 is an aluminum plate. The sealant 22 is located between the first substrate 21 and the second substrate 23 , and the first substrate 21 , the second substrate 23 and the sealant 22 form an "I" shape. It is not difficult to understand that the first substrate 21 and the second substrate 23 in the test piece 20 can also be other plate materials. At the same time, the positions of the first substrate 21 and the second substrate 23 can be reversed, and they can also be both the first substrate 21 or the second substra...

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Abstract

The invention discloses an artificial accelerated aging system and method for sealant. The artificial accelerated aging system for sealant includes an aging box, a temperature regulating device, a temperature detecting device, a mechanical sensor, a first clamping part and a second clamping part; the temperature regulating device and the temperature detecting device cooperate to control the temperature in the aging box , the mechanical sensor is installed in the aging box and cooperates with the aging box; the first clamping part includes a first shearing fixture and a second shearing fixture, and the first shearing fixture and the second shearing fixture are used to produce a shear stress. The second clamping part includes a first tensile fixture and a second tensile fixture, and the first tensile fixture and the second tensile fixture are used to generate tensile stress on the test piece. The artificial accelerated aging system for the sealant can more accurately predict the service life of the sealant in the actual working environment under the simultaneous action of the three factors of soaking in water or solution, fatigue cycle and high temperature.

Description

technical field [0001] The invention relates to an artificial accelerated aging system for sealant and an artificial accelerated aging method for sealant. Background technique [0002] Polymer sealant products such as silicone structural sealants need to be tested for product quality before leaving the factory. Due to the characteristics of the polymer material structure itself, its weather resistance is poorer than that of inorganic materials and metal materials, so the quality of most polymer products Testing includes weather resistance. When the product is used in rainy climate areas such as eastern Asia, Southeast Asia, South Asia, central and southern Europe, southeastern United States, northern Australia, Central America and many Pacific islands, polymer materials are soaked in rain all year round; Molecular materials are subject to high wind pressure; in addition, the daily temperature changes cause the thermal expansion and contraction of the bonded substrate panel ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/02G01N3/32G01N19/04G01N17/00
CPCG01N3/02G01N3/32G01N17/00G01N19/04G01N2203/0005G01N2203/0073G01N2203/0226G01N2203/024
Inventor 罗银余良兵蒋金博范海健
Owner GUANGZHOU BAIYUN CHEM IND
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