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Application filed by 공정곤, 동양나일론 주식회사, 배도, 동양폴리에스터 주식회사filedCritical공정곤
Priority to KR1019890020462ApriorityCriticalpatent/KR910011966A/en
Publication of KR910011966ApublicationCriticalpatent/KR910011966A/en
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
(AREA)
Abstract
내용 없음No content
Description
폴리에스테르의 제조방법Production method of polyester
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
Claims (2)
불황성 무기 미립자로 탄산칼슘 또는 카오린 또는 황산바륨을 첨가하되, 제2의 무기 미립자로 감마-알루미나를 첨가하는 것을 특징으로 하는 폴리에스테르의 제조방법.Calcium carbonate or kaolin or barium sulfate are added as the inert inorganic fine particles, and gamma-alumina is added as the second inorganic fine particles.제1항에 있어서, 불활성 무기 미립자 및 감마-알루미나는 에틸렌글리콜에 혼합한 슬러리 상태로 하여 통상의 폴리에스테르 제조공정에 투입하되, 감마-알루미나는 혼합하는 에틸렌글리콜에 대하여 1 내지 4중량부 투입하는 것을 특징으로 하는 폴리에스테르의 제조방법.The method of claim 1, wherein the inert inorganic fine particles and gamma-alumina are added to a conventional polyester manufacturing process in a slurry state mixed with ethylene glycol, but 1 to 4 parts by weight of gamma-alumina is added to the mixed ethylene glycol. Method for producing a polyester, characterized in that.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890020462A1989-12-301989-12-30
Production method of polyester
KR910011966A
(en)