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Processing material for ear washing ball applied to chemical pharmaceutical analysis

A technology of processing materials and ear washing balls, which is applied in the field of analytical supplies, can solve problems such as cracking on the top of the ear washing balls, affecting the suction accuracy, reducing suction pressure, etc., achieving strong flexibility, reducing resource waste, and good processing and molding Effect

Inactive Publication Date: 2017-01-11
界首市众鑫科技服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual use process, the top of the ear washing ball often cracks, which reduces the suction pressure and affects the suction accuracy.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Add 8 parts of terpene resin and 5 parts of ethylene-vinyl acetate copolymer to 25 parts of powdered polyether rubber, heat to 105-110°C and mix for 10 minutes, then add 4 parts of polyvinyl butyral, 3 parts 1 part of asbestos wool and 3 parts of petroleum coke powder, continue to heat to 125-130 ℃ and mix for 5 minutes to obtain material I;

[0022] (2) Add 5 parts of polytetrafluoroethylene and 2 parts of vulcanized lard to 10 parts of phenolic epoxy resin, mix thoroughly, then microwave at microwave frequency 2450MHz, power 700W for 5min, then add 6 parts of rosin pentaerythritol ester and 3 parts Parts of polyvinyl acetate, continued microwave treatment for 5min, to obtain material II;

[0023] (3) Add 2 parts of tea dry powder, 2 parts of Portland cement and 1 part of molecular sieve powder to 6 parts of volcanic ash, and keep mixing at 100-105°C for 5 minutes, then add 1 part of epoxy soybean oil, 0.5 parts of Glass fiber powder and 1 part of polyamide wax, c...

Embodiment 2

[0026] (1) Add 10 parts of terpene resin and 4 parts of ethylene-vinyl acetate copolymer to 30 parts of powdered polyether rubber, heat to 105-110 ° C and mix for 10 minutes, then add 5 parts of polyvinyl butyral, 5 parts 1 part of asbestos wool and 3 parts of petroleum coke powder, continue to heat to 125-130 ℃ and mix for 5 minutes to obtain material I;

[0027] (2) Add 6 parts of polytetrafluoroethylene and 1 part of vulcanized lard to 15 parts of phenolic epoxy resin, mix thoroughly, then microwave at microwave frequency 2450MHz, power 700W for 5min, then add 6 parts of rosin pentaerythritol ester and 3 parts Parts of polyvinyl acetate, continued microwave treatment for 5min, to obtain material II;

[0028] (3) Add 3 parts of tea dry powder, 2 parts of Portland cement and 1 part of molecular sieve powder to 8 parts of volcanic ash, and keep mixing at 100-105°C for 5 minutes, then add 2 parts of epoxy soybean oil, 0.5 parts of Glass fiber powder and 0.5 part of polyamide w...

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PUM

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Abstract

The invention discloses a processing material for an ear washing ball applied to chemical pharmaceutical analysis and relates to the technical field of analysis products. The processing material is prepared from, by weight, 25-30 parts of polyether rubber powder, 10-15 parts of novolac epoxy, 8-12 parts of terpene resin, 6-11 parts of rosin pentaerythrityl ester, 5-9 parts of teflon, 4-8 parts of volcanic ash, 4-8 parts of ethylene-eva ethylene, 4-8 parts of butyral resin, 3-6 parts of asbestos wool, 3-6 parts of petrol coke powder, 3-6 parts of polyvinyl acetate, 2-4 parts of camellia sinensis, 2-4 parts of portland cement, 2-4 parts of bamboo powder, 1-2 parts of molecular sieve powder, 1-2 parts of sulfide lard, 1-2 parts of polytetrahydrofuran, 1-2 parts of epoxidized soybean oil, 0.5-1 part of glass fiber powder, 0.5-1 part of terpilenol, 0.5-1 part of polyamide wax, 0.3-0.5 part of nanometer antimony trioxide and 0.3-0.5 part of stannous pyrophosphate. The processing material is good in processing forming, high in toughness, good in corrosion resistance, pressure resistance, abrasion resistance and weather resistance and capable of being recycled, and waste of resources is reduced.

Description

[0001] Technical field: [0002] The invention relates to the technical field of analytical supplies, in particular to a processing material for ear washing balls for chemical and pharmaceutical analysis. [0003] Background technique: [0004] Ear wash ball, also known as ear suction ball, is a tool and instrument made of rubber, which is mainly used to quantitatively absorb liquid. At present, ear washing balls are widely used in chemical and pharmaceutical analysis experiments, but because most of the absorbed liquids are corrosive, the corrosion resistance of the processing materials for ear washing balls is required to be very high, and they must also have excellent pressure resistance. , wear resistance and weather resistance. In the actual use process, the top of the ear washing ball often cracks, which reduces the suction pressure, thereby affecting the suction accuracy. [0005] Invention content: [0006] The technical problem to be solved by the present invention ...

Claims

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Application Information

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IPC IPC(8): C08L71/00C08L63/00C08L45/00C08L93/04C08L27/18C08L23/08C08L29/14C08L31/04C08L91/00C08L77/00C08K13/04C08K7/14C08K3/22C08K3/34
CPCC08L71/00C08K2201/014C08L2205/035C08L63/00C08L45/00C08L93/04C08L27/18C08L23/0853C08L29/14C08L31/04C08L91/00C08L77/00C08K13/04C08K7/14C08K3/2279C08K3/34
Inventor 刘宁
Owner 界首市众鑫科技服务有限公司
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