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자동차용 고난연 플라스틱 부품을 위한 최적의 난연제 조합 연구
천인숙(Insook Chun),정영일(Youngill Jung),이병로(Byoungro Lee) 한국자동차공학회 2023 한국자동차공학회 부문종합 학술대회 Vol.2023 No.5
As the demand for electric vehicles (EVs) and change to EVs increase rapidly, the mileage during a single charge has emerged as the competitiveness of EVs. And the use of plastic continues to increase due to the need for weight reduction to improve fuel economy. According to increasing the high voltage parts including battery packs, it is necessary to develop plastics that can provide high flame resistant up to UL94, V-0 rating while maintaining their compounding properties. The DFSS (Design for Six Sigma) tool was used to select suitable alternatives among non-halogen flame retardants instead of halogen flame retardants limited in use due to human hazards and environmental problems, and to find the optimized combination between plastic and flame retardant that satisfies the required properties of plastic. In general, non-halogen flame retardants are known to be more expensive, require a large amount of use depending on the type and have disadvantages in coloring or compounding. The increase in content leads to a decrease in plastic compounding properties. Therefore, it is very important to understand the properties of various flame retardants and to confirm the optimized combination between plastic and flame retardant. IDDOV methodology of DFSS successfully derived an optimized combination through test and verification.