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Preparation method of high-toughness plastic housing for temperature sensor

A temperature sensor and plastic shell technology, applied in the field of temperature sensors, can solve the problems of urgent improvement of toughness and impact resistance, poor antibacterial properties, etc., and achieve the effects of reducing safety hazards, high compactness, good toughness and tensile performance

Inactive Publication Date: 2018-06-22
ANHUI RUIXIN AUTOMATION INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing high-temperature sensors have extremely high requirements on the housing. The high-temperature sensor housing can protect the temperature sensor chip from being squeezed by external force and cause fracture, effectively ensuring the normal operation of the high-temperature sensor. The current housing has poor antibacterial properties. Toughness and impact strength still need to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for preparing a high-toughness plastic shell for a temperature sensor, comprising the steps of:

[0022] S1. Mix 70kg acrylonitrile-butadiene-styrene copolymer and 40kg nano-titanium dioxide evenly, add 60kg polyparabenamide, 40kg phenolic resin, and 3kg anti-aging agent and stir evenly. The stirring speed is 300r / min, and extrude Granulating to obtain the first material;

[0023] S2. Stir 40kg of lignin and 140kg of silver nitrate solution with a concentration of 0.2mol / L for 50min at a stirring temperature of 92°C, filter, dry, and calcinate for 12min at a calcining temperature of 800°C, drop to room temperature, and pulverize to obtain the second material;

[0024] S3, 80kg sepiolite, 30kg carbon nanotubes, 16kg second material, 2kg dicumyl peroxide, 4kg3-methyl-2-butenal, 4kg zeolite powder, 8kg disproportionated rosin, 4kgC9 petroleum resin were stirred for 20min , stirring speed is 240r / min, obtains the 3rd material;

[0025] S4. Mix 240kg of the first ...

Embodiment 2

[0027] A method for preparing a high-toughness plastic shell for a temperature sensor, comprising the steps of:

[0028] S1. Mix 90kg acrylonitrile-butadiene-styrene copolymer and 20kg nano-titanium dioxide evenly, add 100kg polyparabenamide, 30kg phenolic resin, 5kg anti-aging agent and stir evenly, the stirring speed is 200r / min, extrude Granulating to obtain the first material;

[0029] S2. Stir 60 kg of lignin and 100 kg of silver nitrate solution with a concentration of 0.5 mol / L for 20 min at a stirring temperature of 98° C., filter, dry, and calcined for 5 min at a calcining temperature of 840° C., lower it to room temperature, and pulverize to obtain the second material;

[0030] S3, 60kg sepiolite, 40kg carbon nanotubes, 8kg second material, 4kg dicumyl peroxide, 2kg3-methyl-2-butenal, 6kg zeolite powder, 4kg disproportionated rosin, 6kgC9 petroleum resin were stirred for 10min , stirring speed is 360r / min, obtains the 3rd material;

[0031] S4. Mix 220kg of the fir...

Embodiment 3

[0033] A method for preparing a high-toughness plastic shell for a temperature sensor, comprising the steps of:

[0034] S1. Mix 75kg acrylonitrile-butadiene-styrene copolymer and 35kg nano-titanium dioxide evenly, add 70kg polyparabenamide, 37kg phenolic resin, and 3.5kg anti-aging agent and stir evenly. The stirring speed is 280r / min. The first material is obtained through granulation;

[0035] S2. Stir 45kg of lignin and 130kg of silver nitrate solution with a concentration of 0.3mol / L for 40min at a stirring temperature of 94°C, filter, dry, and calcinate for 10min at a calcining temperature of 810°C, drop to room temperature, and pulverize to obtain the second material;

[0036] S3, 75kg sepiolite, 33kg carbon nanotubes, 14kg second material, 2.5kg dicumyl peroxide, 3.5kg3-methyl-2-butenal, 4.5kg zeolite powder, 7kg disproportionated rosin, 4.5kgC9 Petroleum resin was stirred for 18min, and the stirring speed was 260r / min to obtain the third material;

[0037] S4. Mix 2...

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Abstract

The invention discloses a preparation method of a high-toughness plastic housing for a temperature sensor. The method comprises the following steps: uniformly mixing an acrylonitrile-butadiene-styrenecopolymer and nanometer titania; adding poly (p-benzamide), phenolic resin and an antiaging agent; uniformly stirring; extruding and pelletizing to obtain a first material; stirring lignin and a silver nitrate solution; filtering; drying; calcining; cooling; crushing to obtain a second material; stirring sepiolite, a carbon nano tube, the second material, dicumyl peroxide, 3-methyl-2-butenal, zeolite powder, disproportionated rosin and C9 petroleum resin to obtain a third material; mixing the first material and the third material; increasing the temperature and uniformly stirring; and feedinginto a twin-screw extruder for extruding and pelletizing, and then modeling to obtain the high-toughness plastic housing for the temperature sensor. The prepared plastic housing is good in antibacterial effect, high in density, and extremely high in toughness and stretching resistance, and the service life of the temperature sensor is prolonged.

Description

technical field [0001] The invention relates to the technical field of temperature sensors, in particular to a method for preparing a high-toughness plastic shell for a temperature sensor. Background technique [0002] A temperature sensor is a sensor that senses temperature and converts it into a usable output signal. The high temperature sensor is a kind of temperature sensor, and the high temperature sensor is mainly used in the automotive field and other fields that need to measure higher temperatures. However, the existing high-temperature sensors have extremely high requirements on the housing. The high-temperature sensor housing can protect the temperature sensor chip from being squeezed by external force and cause fracture, effectively ensuring the normal operation of the high-temperature sensor. The current housing has poor antibacterial properties. Toughness and impact strength still need to be improved urgently. Contents of the invention [0003] Based on the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L77/10C08L61/06C08L93/04C08L57/02C08L97/00C08K13/04C08K7/24C08K3/34C08K5/14C08K3/22
CPCC08L55/02C08K2003/2241C08K2201/011C08L77/10C08L2201/08C08L2205/035C08L61/06C08L93/04C08L57/02C08L97/005C08K13/04C08K7/24C08K3/346C08K5/14C08K3/34C08K3/22
Inventor 高凤谊
Owner ANHUI RUIXIN AUTOMATION INSTR
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