Conductive Polymer Material for Image Forming Device
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Solution Overview
Problem
Image forming devices face challenges with resistance stability during continuous conduction, leading to reduced operating life and increased electrical load, which affects the quality and speed of image formation.
Innovation Solution
A conductive polymer material is developed with a quaternary ammonium base incorporated in the main chain and an alkyl sulfate radical as an electrolyte anion, blended in specific mass ratios, to enhance resistance stability and longevity, and a method for producing this material involves mixing alkyl sulfate with polyisocyanate and synthesizing a polyurethane resin.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional conductive polymer material is used to enable continuous conduction, then conductivity is achieved, but resistance stability deteriorates over time leading to increased electrical load
Solution Approach 1:
The patent changes the chemical parameters of the electrolyte by selecting specific quaternary ammonium bases with bivalent or more hydroxyl groups and specific alkyl sulfate radicals, and optimizes their blended amount to 0.01-10 parts by mass per 100 parts by mass of polymer material. This parameter optimization ensures stable ion conduction and maintains resistance stability during continuous conduction, resolving the contradiction between reliability and operating life
Solution Approach 2:
The patent uses a composite electrolyte system combining quaternary ammonium base cations with hydroxyl groups and alkyl sulfate anions within the polyurethane resin matrix. This composite structure provides both conductivity and long-term stability, enabling the material to maintain performance over extended operating periods while ensuring resistance stability
2Productivity
If the image forming device member operates for extended periods, then productivity increases, but electrical load increases due to resistance instability
Solution Approach 1:
The patent optimizes the electrolyte composition parameters, specifically using quaternary ammonium bases with bivalent or more hydroxyl groups combined with alkyl sulfate radicals in controlled amounts (0.01-10 parts by mass per 100 parts by mass of polymer). This parameter optimization enables efficient ion conduction that maintains low electrical load even during extended continuous operation, resolving the contradiction between productivity and energy consumption
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The conductive polymer material achieves improved resistance stability and longer operating life, ensuring high-quality and high-speed image formation by maintaining optimal electrical resistance values during continuous conduction.
Implementation Method 1
the conductive polymer material includes a quaternary ammonium base incorporated in a main chain of a polymer material as an electrolyte cation; and an alkyl sulfate radical as an electrolyte anion
Implementation Method 2
a blended amount of the quaternary ammonium base and the alkyl sulfate radical is 0.01 parts by mass to 10 parts by mass with respect to 100 parts by mass of the polymer material
Data Source
Figure 1(a)~1(b)
Figure 2(a)~2(d)
Figure 3
AI summary
A conductive polymer material which can achieve longer operating life by improving resistance stability at the time of performing continuous conduction, a method for producing the conductive polymer material, and an image forming device member are provided. A conductive polymer material containing a quaternary ammonium base incorporated in a main chain of a polymer material as an electrolyte cation, and an alkyl sulfate radical as an electrolyte anion.