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    • 3. 发明授权
    • 다가알콜 및 다가알콜에스테르 또는 금속치환체를 이용한하이드로탈사이트의 제조방법 및 이들로부터 제조되는하이드로탈사이트
    • 다가알콜및다가알콜에스테르또는금속치환체를이용한하이드로탈사이트의제조방법및이들로부제제조되는하이드로탈사이트
    • KR100454273B1
    • 2004-10-26
    • KR1020010059357
    • 2001-09-25
    • 주식회사 두본이대희현동호
    • 권수한이대희현동호조현덕김상범
    • C01F7/12
    • PURPOSE: Provided is a preparation method of hydrotalcites with improved halogen-selective capture and heat-resistance and lubrication by coating the surfaces of hydrotalcites with polyhydric alcohol and polyhydric alcohol esters(or metal substituents). CONSTITUTION: The preparation method of hydrotalcites comprises the steps of: mixing 1.4L of Mg(OH)2 and 0.7L of water in a high pressured reactor(3L) to get a slurry; adding 0.48mole of NaHCO3 and stirring for 30min; adding 0.35mole of Al(OH)3 and reacting under pressure of 100psi for 1.5hrs; adding 5% of polyhydric alcohols and reacting at 175deg.C for 30min; and optionally adding 0.5mole of aliphatic acids and aliphatic acid salts, wherein the aliphatic acids are C1-C22 saturated or unsaturated aliphatic acids. The prepared hydrotalcites have Na/Al ranging from 0.1-3, and contain 0.1-20wt.% of polyhydric alcohol and polyhydric alcohol esters(or metal substituents).
    • 目的:提供一种通过用多元醇和多元醇酯(或金属取代物)涂覆水滑石表面而改善卤素选择性捕获和耐热性和润滑性的水滑石的制备方法。 构成:水滑石的制备方法包括以下步骤:在高压反应器(3L)中混合1.4L的Mg(OH)2和0.7L的水,得到浆液; 加入0.48摩尔NaHCO 3并搅拌30分钟; 加入0.35摩尔Al(OH)3,并在100psi的压力下反应1.5小时; 加入5%的多元醇,并在175℃反应30分钟; 并任选加入0.5摩尔脂族酸和脂族酸盐,其中脂族酸为C 1 -C 22饱和或不饱和脂族酸。 所制备的水滑石具有0.1-3的Na / Al,并含有0.1-20wt。%的多元醇和多元醇酯(或金属取代基)。
    • 4. 发明公开
    • 산업부산물인 제강 슬래그를 이용한 복합 무기응집제의제조방법
    • 通过使用钢丝滑石生产复合无机混凝土的方法
    • KR1020020001922A
    • 2002-01-09
    • KR1020000029958
    • 2000-06-01
    • 주식회사 두본이대희현동호
    • 권수한이대희현동호조현덕
    • C02F1/52
    • PURPOSE: A composite inorganic coagulant using steelmaking slag is provided to prevent heavy metal release after it is adsorbed in composite inorganic coagulant by coating a spiculisporic acid derivative(formula I) and a polymer on steelmaking slag. CONSTITUTION: The composite inorganic coagulant comprises 100wt.% of steelmaking slag; 1-10wt.% of spiculisporic acid derivative, wherein R is Na, Ca, Mg, Al, alkoxy, benzoyl, polyoxyethylene and polyoxypropylene; 0.01-1wt.% of polymer such as polyacrylic acid, sodium substitute, polymethacryl or its polymer, copolymer of anhydrous maleic acid and acrylic acid; 20wt.% of porous material such as lime, silica, hydrotalcite and clay.
    • 目的:提供使用炼钢渣的复合无机凝结剂,通过在炼钢渣上涂布螺旋状酸衍生物(式I)和聚合物,吸附复合无机凝结剂后,防止重金属释放。 构成:复合无机凝结剂含有100%重量的炼钢渣; 1-10重量%的spiculisporic酸衍生物,其中R是Na,Ca,Mg,Al,烷氧基,苯甲酰基,聚氧乙烯和聚氧丙烯; 0.01-1重量%的聚合物如聚丙烯酸,替代钠,聚甲基丙烯酸酯或其聚合物,无水马来酸和丙烯酸的共聚物; 20重量%的多孔材料如石灰,二氧化硅,水滑石和粘土。
    • 5. 发明授权
    • 고순도를 갖는 결정성 수산화아파타이트의 제조방법
    • 高纯度水溶性羟基磷灰石的制备方法
    • KR100275628B1
    • 2001-02-01
    • KR1019980035047
    • 1998-08-28
    • 주식회사 두본이대희현동호
    • 현동호이대희조현덕문형균
    • C01B25/32
    • PURPOSE: Provided is a manufacturing method of high-purity crystalline hydroxyapatite with less impurities and uniform particle size by reacting calcium hydroxide with phosphoric acid using wet method in a condition that the mole ratio of Ca/P is 1.67-2.0. CONSTITUTION: The method includes the steps of (i) pouring a certain amount of distilled water and calcium hydroxide in a pressure reactor to obtain slurry; (ii) slowly adding aqueous solution of phosphoric acid in the slurry for direct reaction until the mole ratio of Ca/P become 1.67-2.0; (iii) maintaining the temperature of the pressure reactor in the temperature range of 120 to 200deg.C for 1-5 hours; (iv) adding aliphatic acid such as stearic acid or metal soap selected from the group consisting of alkali metal soap, sodium stearate, and potassium stearate, followed by agitation to synthesize hydroxyapatite; and (v) filtration and drying.
    • 目的:提供在Ca / P摩尔比为1.67-2.0的条件下,通过湿法使氢氧化钙与磷酸反应,杂质较少,粒径均匀的高纯度结晶羟基磷灰石的制造方法。 方法:该方法包括以下步骤:(i)在压力反应器中倒入一定量的蒸馏水和氢氧化钙以获得浆料; (ii)在浆液中缓慢加入磷酸水溶液进行直接反应,直到Ca / P的摩尔比为1.67-2.0; (iii)将压力反应器的温度保持在120〜200℃的温度范围内1-5小时; (iv)加入脂肪酸如硬脂酸或选自碱金属皂,硬脂酸钠和硬脂酸钾的金属皂,然后搅拌合成羟基磷灰石; 和(v)过滤和干燥。
    • 7. 发明公开
    • 질소(N)-인(P)계 난연제를 이용한 비할로겐 난연 에폭시또는 페놀서킷보드의 제조방법
    • 使用N-P型阻燃剂的非劣质阻燃环氧树脂或酚醛树脂电路板的制备方法
    • KR1020040061117A
    • 2004-07-07
    • KR1020020086899
    • 2002-12-30
    • 주식회사 두본이대희현동호
    • 이대희현동호조현덕김상범
    • C08G59/00
    • PURPOSE: A method for a nonhalogenated flame retardant epoxy or phenol circuit board by using an N-P-based flame retardant is provided, to obtain a circuit board without toxicity and environmental pollution without the deterioration of physical properties due to bleed out. CONSTITUTION: The method comprises the steps of adding an epoxy or phenol-based resin flame retardant, a nonhalogenated flame retardant, a curing agent and a curing accelerator to prepare a 66 % wax in methylethyl solvent; drying it slowly at a temperature of 30 deg.C; heating and pressing the dried one at a temperature of 170 deg.C and a pressure of 40 kg/cm¬2 for 30 min; drying it completely at a room temperature; and preparing a circuit board by using the dried one by common method. Preferably the nonhalogenated flame retardant is an N-P-based flame retardant, and is at least one selected from the group consisting of ammonium phosphate-based, melamine phosphate-based, amine phosphate-based and phosphazene-based compounds.
    • 目的:提供一种通过使用N-P型阻燃剂的非卤代阻燃剂环氧树脂或苯酚电路板的方法,以获得没有毒性和环境污染的电路板,而不会由于渗出而导致物理性能的劣化。 方案:该方法包括添加环氧树脂或酚基树脂阻燃剂,非卤代阻燃剂,固化剂和固化促进剂,以制备66%的甲基乙基溶剂中的蜡; 在30℃的温度下缓慢干燥; 在170℃的温度和40kg / cm 2的压力下加热和压制干燥的30分钟; 在室温下完全干燥; 并通过常规方法使用干燥的电路板来制备电路板。 优选地,非卤代阻燃剂是N-P型阻燃剂,并且是选自磷酸铵基,磷酸三聚氰胺基,磷酸胺基和磷腈基化合物中的至少一种。
    • 8. 发明公开
    • 난연성이 우수한 디사이클릭 포스포러스-멜라민 화합물의제조방법 및 이를 이용하는 고분자 난연제
    • 用于生产具有优异的阻燃剂的二聚磷酸 - 甲磺酸化合物的方法和使用该化合物的聚合物阻燃剂
    • KR1020030005934A
    • 2003-01-23
    • KR1020010041440
    • 2001-07-11
    • 주식회사 두본이대희현동호
    • 권수한이대희현동호조현덕김상범
    • C07F9/6587
    • C07D251/66C07F9/65746
    • PURPOSE: A method for producing a dicyclic phosphorous-melamine compound, which shows excellent flame retardancy, to create non-halogen flame retardant and a polymeric flame retardant using the same are provided, thereby producing the high quality of the polymeric flame retardancy. CONSTITUTION: The method for producing a dicyclic phosphorus-melamine compound comprises the steps of: (1) reaction of pentaerythritol with phosphorous oxychloride to prepare pentaerythritol ester of phosphorochloridic acid represented by formula(1); and (2) dissolving the pentaerythritol ester of phosphorochloridic acid in water to substitute Cl to OH, and reaction of the resulted compound with melamine or its derivative to prepare dicyclic phosphorous-melamine compound represented by formula(2), wherein the reaction of the step (1) is carried out by addition of 1 mole of pentaerythritol into 2 to 90 mole of phosphorous oxychloride, and heating the mixture at 10 to 190 deg. C for 1 to 10 hours; and the reaction is carried out in dioxane or methylene chloride.
    • 目的:提供一种制备非卤素阻燃剂的阻燃性优异的双环磷 - 三聚氰胺化合物的制造方法和使用该阻燃剂的聚合物阻燃剂,从而产生高质量的聚合物阻燃性。 构成:制备双环磷 - 三聚氰胺化合物的方法包括以下步骤:(1)季戊四醇与磷酰氯的反应制备由式(1)表示的氯代氯酸季戊四醇酯; 和(2)将氯代氯酸的季戊四醇酯溶解在水中以代替Cl至OH,并将所得化合物与三聚氰胺或其衍生物反应,制备由式(2)表示的二环磷酸三聚氰胺化合物,其中步骤 (1)通过将1摩尔季戊四醇加入2至90摩尔的三氯氧化磷中进行,并将混合物在10至190℃加热。 C 1〜10小时; 反应在二恶烷或二氯甲烷中进行。
    • 10. 发明公开
    • 고순도를 갖는 결정성 수산화아파타이트의 제조방법
    • 生产高纯度结晶磷灰石氢氧化物的方法
    • KR1019980082134A
    • 1998-11-25
    • KR1019980035047
    • 1998-08-28
    • 주식회사 두본이대희현동호
    • 현동호이대희조현덕문형균
    • C01B25/32
    • 습식법을 이용하여 Ca/P 몰비가 1.67∼2.0이 되도록 수산화칼슘과 인산을 반응시킴으로써, 불순물이 적고, 입자가 미세하고 균질하며, 화학양론적 조성을 갖는 고순도의 결정성 수산화아파타이트의 제조방법이 개시되어 있다. 본 발명에 따르면, 고압반응기 내에 일정량의 증류수를 넣고 수산화칼슘을 넣어 슬러리시킨 후 Ca/P의 몰비율이 1.67∼2.0이 되도록 인산 수용액을 서서히 투입하면서 직접 반응시키고, 상기 인산 수용액을 투입 완료한 후에는 상기 고압반응기의 온도를 120∼200℃의 온도로 유지하고 1∼5시간 반응시키며, 반응후에 생성된 침전물을 여과 및 건조시켜서 수산화아파타이트를 만든다. 이와는 달리, 상기 반응후에 생성된 침전물을 투입온도가 200∼600℃인 분무 건조기를 이용하여 건조시켜서 수산화아파타이트를 제조한다. 또한, 본 발명은, 상기 반응후에 지방산 또는 금속비누를 첨가 및 교반하여 수산화아파타이트를 합성하고, 합성된 수산화아파타이트를 여과 및 건조시켜서 수산화아파타이트를 제조한다. 바람직하게는, 합성시 생성된 미세한 입자의 형태를 건조후에도 가질 수 있게 하기 위하여, 상기 합성된 수산화아파타이트를 금속비누로 코팅한다.