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Dielectric Fluids for Genetically Engineered Microbial Oils

A technology of dielectric fluid and genetic engineering, applied in the direction of electrical components, petroleum industry, lubricating composition, etc., can solve problems such as limiting dielectric fluid

Active Publication Date: 2016-08-17
DOW GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These non-toxic oils have disadvantages in viscosity, flash point, fire point, pour point, water saturation point, dielectric strength and / or other properties that limit their use as dielectric fluids

Method used

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  • Dielectric Fluids for Genetically Engineered Microbial Oils
  • Dielectric Fluids for Genetically Engineered Microbial Oils
  • Dielectric Fluids for Genetically Engineered Microbial Oils

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0131] 1. Preparation of GEMO

[0132] For each of GEMO 1 and GEMO 2, the genetically engineered microbial oil was prepared by a fermentation method. The genetically engineered microorganism is obtained from heterotrophic microalgae of the genus Chlorella. The carbon source is sucrose.

[0133] 2. Preparation of Dielectric Fluid

[0134] Dielectric Fluid 1 (with GEMO 1 ) and Dielectric Fluid 2 (with GEMO 2 ) were fabricated using the following procedure.

[0135] Heat the GEMO at 70 °C in a glassware apparatus inside a constant water bath. A phenolic antioxidant stabilizer was added to the GEMO. At 70°C, the GEMO composition was stirred using a magnetic bar to dissolve the antioxidant, and vacuum pressure was applied for 1 hour to remove moisture. After cooling to room temperature, the GEMO composition was filtered on 1 micron filter paper using a filter device to remove any particulates and foreign impurities and waxy components. The resulting dielectric fluid containin...

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Abstract

The present invention provides a dielectric fluid comprising genetically engineered microbial oil (GEMO) and an antioxidant. The GEMO includes triglycerides and a certain amount of small glycerides. The amount of the small glycerides ranges from 0.1 wt% to 30 wt%, based on the weight of GEMO.

Description

Background of the invention [0001] Dielectrics are non-conductive fluids used in various applications. The insulating and cooling properties of dielectric fluids are used in electrical components such as transformers, capacitors, switchgear, transmission components, power distribution components, converters, regulators, circuit breakers, autoreclosers, fluid-filled transmission lines and other electronic components. devices) are applied. [0002] Within a transformer, the dielectric fluid may provide coolant and insulating properties to internal transformer components. The dielectric fluid cools the transformer and also provides partial electrical insulation between internal moving parts. The requirements for dielectric fluids are long operating life (10-20 years) and long-term stability at high temperatures. [0003] Polychlorinated biphenyl compounds (also referred to as "PCB,s") that were once used as dielectric fluids in transformers have been phased out due to their to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04H01B3/18C10N40/16
CPCC10M169/04C10M2207/026C10M2207/401H01B3/20H04B3/20C10N2030/24C10N2030/26C10N2030/64C10N2040/16C10N2070/00H01B3/18
Inventor S.J.韩B.R.莫勒
Owner DOW GLOBAL TECH LLC