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Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals
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Abstract
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미세분산된 탄산칼슘의 제조방법Method for preparing finely dispersed calcium carbonate
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (1)
탄산가스에 의한 처리로 침전시켜야 하는 탄산칼슘양에 대하여 0.1-20, 특히 0.5-10중량%의 활성규산과 0.01-5, 특히 0.1-0.2중량%의 니트로트리초산 알카리염 또는 알카리토염의 존재하에서 행하고, 활성규산은 규산알카리, 특히 Na2O.3,3SiO2용액으로부터 형성되어지며, 침전을 개시시키기 위하여 첨가를 규산염용액의 형으로 또는 이것으로부터 새롭게 조절한 규산졸의 형으로 행하는 것을 특징으로 하는 수성의 수산화칼슘혼합물을 CO2함유기체와 50℃이하에서 반응시키는 것에 의하여 미세 분산된 탄산칼슘으로부터 생성된 충전물로서 사용되는 생성물을 제조하는 방법.In the presence of 0.1-20, in particular 0.5-10% by weight of active silicic acid and 0.01-5, in particular 0.1-0.2% by weight of nitrotriacetic acid alkali or alkaline earth salt, relative to the amount of calcium carbonate to be precipitated by treatment with carbon dioxide gas. The active silicic acid is formed from an alkali silicate, in particular Na 2 O.3,3SiO 2 solution, characterized in that the addition is carried out in the form of a silicate solution or in the form of a newly controlled silicate sol to initiate precipitation. A method for producing a product used as a charge produced from finely dispersed calcium carbonate by reacting an aqueous calcium hydroxide mixture with a CO 2 containing gas at 50 ° C. or less.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850008841A1985-11-261985-11-26
Method for preparing finely dispersed calcium carbonate
KR870004906A
(en)