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본 발명은 인산염으로 안정화시켜서 된 과탄산나트륨의 제조방법으로서, 더욱 상세하게는 과산화수소와 탄산나트륨을 반응시켜서 제조된 과탄산나트륨(2Na2CO3.3H202)을 극산나트륨과 황산마그네슘의 공지성분, 그리고 P2O5가 50%이상 함유된 무기 인산염과 아민기로 구성된 폴리포스폰산으로 이루어진 안정제로 안정화시켜서 고온 고습하에서도 저장안정성이 우수하게 개선된 인산염으로 안정화된 과탄산나트륨의 제조방법에 관한 것이다.The present invention is a method for preparing sodium percarbonate stabilized with phosphate, and more specifically, sodium percarbonate (2Na 2 CO 3 .3H 2 0 2 ) prepared by reacting hydrogen peroxide with sodium carbonate, a known component of sodium carbonate and magnesium sulfate, The present invention relates to a method for preparing sodium percarbonate stabilized with a phosphate stabilized with a stabilizer consisting of polyphosphonic acid composed of an inorganic phosphate containing 50% or more of P 2 O 5 and an amine group, even under high temperature and high humidity.
Description
인산염으로 안정화된 과탄산나트륨의 제조방법Method for preparing sodium percarbonate stabilized with phosphate
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
Claims (3)
탄산나트륨과 과산화수소를 반응시켜 과탄산나트륨 제조시 안정화제로서 규산나트륨과 황산마그네슘을 첨가하여 제조하므로써 안정화된 과탄산나트륨을 제조함에 있어서, 상기 안정화제로서 공지의 규산나트륨 및 황산 마그네슘과 함께 다음 (가)와 (나)의 안정화제를 적어도 1종 이상 함유하는 것을 특징으로 하는 인산염으로 안정화된 과탄산나트륨의 제조방법.In the preparation of sodium percarbonate stabilized by the addition of sodium silicate and magnesium sulfate as a stabilizer in the production of sodium percarbonate by reacting sodium carbonate and hydrogen peroxide, as well as known sodium silicate and magnesium sulfate as A method for producing sodium phosphate stabilized with phosphate, characterized in that it contains at least one stabilizer of (b).(가) P2O5의 함량이 50% 이상으로서 Na2H2P207또는 (NaPO3)x (여기서 x는 5∼7의 정수) 중에서 선택된 무기 인산염 성분, (나)N(CH2PO3H2)3, (H2O3PCH2)N (CH2)n N(CH2P03H2)2, (여기서 n은 2∼6의 정수) 또는 CH3C(OH)(PO3H2)2중에서 선택된 폴리포스폰산 성분.(A) an inorganic phosphate component selected from Na 2 H 2 P 2 0 7 or (NaPO 3 ) x (where x is an integer of 5 to 7) with a P 2 O 5 content of at least 50%, (B) N (CH 2 PO 3 H 2 ) 3 , (H 2 O 3 PCH 2 ) N (CH 2 ) n N (CH 2 P0 3 H 2 ) 2 , where n is an integer from 2 to 6 or CH 3 C (OH) ( Polyphosphonic acid component selected from PO 3 H 2 ) 2 ;제1항에 있어서, 상기 (가)성분은 탄산나트륨에 대해 0.2∼2.0 중량%로 첨가함을 특징으로 하는 과탄산나트륨의 제조방법.The method for producing sodium percarbonate according to claim 1, wherein the component (A) is added in an amount of 0.2 to 2.0 wt% based on sodium carbonate.제1항에 있어서, 상기 (나) 성분은 탄산나트륨에 대해 0.01∼1.0 중량%로 첨가함을 특징으로 하는 과탄산나트륨의 제조방법.The method of claim 1, wherein the component (B) is added in an amount of 0.01 to 1.0 wt% based on sodium carbonate.※ 참고사항：최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920014332A1992-08-101992-08-10
Method for preparing sodium percarbonate stabilized with phosphate
KR940003850A
(en)
A process for producing a percarbonate without the addition of a chloride salting out agent in which the dissolution step restricts the sodium carbonate to 60-90% of its saturated concentration at 35C