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Preparation method of composite conductive polymer flexible sensing array

A sensing array and composite conductive technology, which is applied in the field of preparation of composite conductive polymer flexible sensing arrays, can solve the problems of remote signal source, limited installation location, and difficulty in obtaining reliable status information.

Active Publication Date: 2019-11-12
TAICANG BIQI NEW MATERIAL RES & DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ren Daqian et al. In view of the fact that the current sliding bearing condition monitoring system sensor is limited in the field installation position and is far away from the signal source, it is not easy to obtain reliable state information. , speed, vibration and other sensors, and process the working status information of the bearing on the DSP in real time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 4g tetrahydro-(4R)-carboxy-(2S)-phenylthiazole, 4g (7aR)-3-phenyl-1H,3H-imidazo[1,5- c ]thiazole-(6,7aH)-5,7-dione, 5g of polyvinylpyrrolidone with a weight average molecular weight of 18,000, 5g of polyvinylidene fluoride with a weight average molecular weight of 12,000, 10g of polylactic acid with a weight average molecular weight of 14,000, 4g Add polypyrrole with a weight-average molecular weight of 25,000 and 4g polythiophene with a weight-average molecular weight of 20,000 to 300ml tetrahydrofuran, heat to 70°C in an autoclave, and cool to obtain a sensing ink; 2 Nylon fabric surface, screen printing sensing ink array pattern, where the array is 4×4, and the area of ​​a single pattern is 0.5×0.5cm 2 , and then placed in a hot embossing machine and dried at 70°C to obtain a composite conductive polymer flexible sensor array.

[0031] The composite conductive polymer flexible sensing array is used as a liner, sandwiched between the inner and outer rings of the avia...

Embodiment 2

[0033] 8g tetrahydro-(4R)-carboxy-(2S)-phenylthiazole, 8g (7aR)-3-phenyl-1H,3H-imidazo[1,5- c ]thiazole-(6,7aH)-5,7-dione, 10g of polyvinylpyrrolidone with a weight-average molecular weight of 18,000, 10g of polyvinylidene fluoride with a weight-average molecular weight of 12,000, 15g of polylactic acid with a weight-average molecular weight of 14,000, 8g Add polypyrrole with a weight-average molecular weight of 25,000 and 8 g of polythiophene with a weight-average molecular weight of 20,000 to 400 ml of tetrahydrofuran, heat to 80°C in an autoclave, and cool to obtain a sensing ink; 2 Nylon fabric surface, screen printing sensing ink array pattern, where the array is 4×4, and the area of ​​a single pattern is 0.5×0.5cm 2 , and then placed in a hot embossing machine and dried at 80°C to obtain a composite conductive polymer flexible sensor array.

[0034] The composite conductive polymer flexible sensing array is used as a liner, sandwiched between the inner and outer rings o...

Embodiment 3

[0036] 6g tetrahydro-(4R)-carboxy-(2S)-phenylthiazole, 6g (7aR)-3-phenyl-1H,3H-imidazo[1,5- c ]thiazole-(6,7aH)-5,7-dione, 6g of polyvinylpyrrolidone with a weight average molecular weight of 18,000, 6g of polyvinylidene fluoride with a weight average molecular weight of 12,000, 10g of polylactic acid with a weight average molecular weight of 14,000, 6g Add polypyrrole with a weight-average molecular weight of 25,000 and 6g of polythiophene with a weight-average molecular weight of 20,000 to 400ml tetrahydrofuran, heat to 75°C in an autoclave, and cool to obtain a sensing ink; 2 Nylon fabric surface, screen printing sensing ink array pattern, where the array is 4×4, and the area of ​​a single pattern is 0.5×0.5cm 2 , and then placed in a hot embossing machine and dried at 70°C to obtain a composite conductive polymer flexible sensor array.

[0037] The composite conductive polymer flexible sensing array is used as a liner, sandwiched between the inner and outer rings of the a...

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Abstract

The invention belongs to the technical field of intelligent manufacturing, and particularly relates to a preparation method of a composite conductive polymer flexible sensing array. The method provided by the invention comprises the steps of adding tetrahydro-(4R)-carboxy-(2S)-phenylthiazole, (7aR)-3-phenyl-1H, 3H-imidazo [1, 5-c] thiazole-(6, 7aH)-5, 7-dione, polyvinylpyrrolidone, polyvinylidenefluoride, polylactic acid, polypyrrole and polythiophene into tetrahydrofuran, and heating in an autoclave to obtain sensing ink; and screen-printing a sensing ink array pattern on the surface of a nylon fabric, and drying in a hot press to obtain the composite conductive polymer flexible sensing array. The composite conductive polymer flexible sensing array is used as a gasket and clamped betweenan inner ring and an outer ring of an aviation knuckle bearing, and the sensing sensitivity of the flexible sensing array to stress strain, temperature and humidity is 7.9-9.3, minus 2.16* 10<-3>- minus 1.92* 10<-3> K<-1> and 937%-998% respectively on an aviation bearing testing machine.

Description

technical field [0001] The invention belongs to the technical field of intelligent manufacturing, and specifically relates to a preparation method of a composite conductive polymer flexible sensing array. Background technique [0002] Joint bearing is a kind of spherical sliding bearing. Its sliding contact surface is an inner spherical surface and an outer spherical surface. It can rotate and swing at any angle during motion. method made. Joint bearings have the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, and good lubrication. The allowable working temperature of spherical plain bearings is mainly determined by the matching materials between the sliding surfaces of the bearings, especially the plastic material sliding surfaces of self-lubricating spherical plain bearings, and its load-carrying capacity will tend to decline at high temperatures. If the sliding surface material of the lubricated joint bear...

Claims

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Application Information

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IPC IPC(8): D06P1/52D06P1/642D06P3/24G01D18/00C09D11/52
CPCC09D11/52D06P1/5235D06P1/5242D06P1/5264D06P1/5271D06P1/6426D06P3/24G01D18/00
Inventor 蓝碧健
Owner TAICANG BIQI NEW MATERIAL RES & DEV
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