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Application filed by 이수영, 동양화학공업 주식회사filedCritical이수영
Priority to KR1019860007086ApriorityCriticalpatent/KR880002750A/en
Publication of KR880002750ApublicationCriticalpatent/KR880002750A/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
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시안산 칼륨의 제조방법Method for preparing potassium cyanate
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (3)
입도가 약 100메쉬 이하인 탄산륨은 약 200-300℃의 온도까지 가열한 다음, 탄산칼륨과 요소의 몰비가 약 1.9-2.1이 되도록 여기에 요소를 혼합시켜 약 100,250℃의 범위에서 탄산칼륨과 요소를 반응시킴을 특징으로 하는 시안산칼륨의 제조방법.The carbonate having a particle size of about 100 mesh or less is heated to a temperature of about 200-300 ° C., and then urea is mixed therein so that the molar ratio of potassium carbonate and urea is about 1.9-2.1. Method for producing potassium cyanate, characterized in that the reaction.제1항에 있어서, 탄산칼륨의 입도가 약 40-100메쉬인 경우 탄산칼륨 가열시 열축적 매체로서 시안산칼륨을 탄산칼륨과의 무게비 0.1-0.5의 범위에서 투입시키는 시안산 칼륨의 제조 방법.The method for producing potassium cyanate according to claim 1, wherein the potassium cyanate is added in the range of 0.1-0.5 weight ratio with potassium carbonate as a heat storage medium when the potassium carbonate is heated when the particle size of the potassium carbonate is about 40-100 mesh.제1항에 있어서, 탄산칼륨의 입도가 약 40메쉬 이하인 경우 탄산칼륨 가열시 열축적 매체로서 시안산 칼륨을 탄산칼륨과의 무게비 0.1-0.3의 범위에서 투입시키는 시안산 칼륨의 제조 방법.The method for producing potassium cyanate according to claim 1, wherein potassium cyanate is added in the range of 0.1-0.3 weight ratio with potassium carbonate as a heat storage medium when potassium carbonate is heated when the particle size of potassium carbonate is about 40 mesh or less.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860007086A1986-08-261986-08-26
Method for preparing potassium cyanate
KR880002750A
(en)
Method for preparing tris (tribromophenoxy) -S-triadine, flame retardant for synthetic resin containing the main component thereof and flame retardant method of synthetic resin added thereto