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1. 发明公开

EP0129239A3 Method for the synthesis of ZSM-5 zeolite, at atmospheric pressure and at low temperature 失效
标题翻译： ZSM-5沸石合成方法，在大气压和低温条件下的合成
公开(公告)号：EP0129239A3
公开(公告)日：1985-08-28
申请号：EP84106970
申请日：1984-06-18
申请人： Montedison S.p.A.
发明人： Gubitosa, Giuseppe , Gherardi, Paola
IPC分类号： C01B33/28 , B01J29/28 , C07C05/27 , C07C06/12 , C07C02/66 , C07C01/20
CPC分类号： C07C6/123 , B01J29/40 , B01J2229/20 , B01J2229/37 , B01J2229/38 , C01B39/40 , C07C1/20 , C07C2/66 , C07C5/2708 , C07C2529/40 , C07C11/02 , C07C15/067
摘要： Method for the synthesis of ZSM-5 zeolites at atmospheric pressure, at a temperature preferably from 60 to 100°C wherein:
a) an aqueous solution containing a quaternary ammonium compound (OA) is added to a second aqueous solution, containing a Si compound, a Na compound and a potassium halogenide (K Hal.), according to the molar ratios:
-Na 2 O/SiO 2 ≥0.20 (preferably from 0.25 to 2); -H 2 O/SiO 2 = = from 5 to 100 (preferably from 10 to 50); -K Hal/SiO 2 = from 0.03 to 0.50; b) a third aqueous solution, containing A1 sulphate, is added to the mixture obtained according to a); c) to the mixture obtained according to b) an aqueous solution of H 2 SO 4 is added;
wherein the molar ratio Y = (QA/SiO 2 ) is from 0.02 to 0.08 and the molar ratio Z = SiO 2 /Al 2 O 3 is from 25 to 210, said Y ratio and the molar ratio X = OH - /SiO 2 being represented by points lying within triangles limited by the following 3 straight lines:
A) Y = 0.7 X; B) X = K/Z, wherein K = 4 (K being constant); C) Y = - 2/3 X + 1 - H, wherein the constant H is obtained from the expression: H = 1/2 (45/Z) 0,317 .

2. 发明授权

EP0192485B1 Titanium dioxide particles, and process for preparing the same 失效
标题翻译：二氧化钛颗粒及其制备方法
公开(公告)号：EP0192485B1
公开(公告)日：1991-07-17
申请号：EP86301220.9
申请日：1986-02-20
申请人： Montedison S.p.A.
发明人： Matijevic, Egon , Gherardi, Paola
IPC分类号： C09C1/36 , G03G9/08
CPC分类号： B82Y30/00 , B01J21/063 , C01P2002/52 , C01P2002/70 , C01P2004/04 , C01P2004/32 , C01P2004/51 , C01P2004/61 , C01P2004/64 , C01P2004/82 , C01P2004/86 , C01P2006/12 , C01P2006/42 , C01P2006/60 , C09C1/3661 , Y10T428/2993

3. 发明公开

EP0212935A3 Titanates of barium and strontium, and process for preparing the same 失效
标题翻译：铋和锶的钛酸盐及其制备方法
公开(公告)号：EP0212935A3
公开(公告)日：1989-03-08
申请号：EP86306236.0
申请日：1986-08-12
申请人： Montedison S.p.A.
发明人： Gherardi, Paola , Matijevic, Egon
IPC分类号： C01G23/00
CPC分类号： B82Y30/00 , C01G23/006 , C01P2002/02 , C01P2004/03 , C01P2004/04 , C01P2004/32 , C01P2004/52 , C01P2004/54 , C01P2004/62 , C01P2004/64
摘要： Titanates of barium or of strontium, or mixed barium and strontium titanates, consisting essentially of solid, non-aggregated particles, having diameters from 0.05 to 1 micron and a very narrow particle size distribution expressed by the polydispersion index dw/dn of less than or equal to 1.20, where dw is the weight average diameter and dn is the number average diameter, said particles being perfectly spherical and having a total average axial ratio of at least 0.930. Such titanates are prepared by a process which provides the precipitation of a peroxidic precursor having the same morphological characteristics of the titanates, obtained by heating an alkaline solution comprising a complex of a titanium compound with a peroxidic compound, a M 2+ compound (selected from Ba, Sr or mixtures thereof) and a compound capable of complexing the M2 ion and able to be oxidized by the peroxidic compound unter the reaction conditions, giving rise to soluble decomposition products and such as to provide a homogeneous precipitation of the peroxidic precursor comprising titanium and M 2+ , and by subsequently heating the precursor to temperatures not below 100°C to obtain the corresponding titanate having the above-indicated morphological characteristics. The invention also provides similar titanates but having a broad particle size distribution wherein dw/dn is greater than 1.20 but not greater than 2.00.

4. 发明公开

EP0129239A2 Method for the synthesis of ZSM-5 zeolite, at atmospheric pressure and at low temperature 失效
标题翻译： Synthese-Verfahren von ZSM-5-Zeolith bei Umgebungsdruck und niedriger Temperatur。
公开(公告)号：EP0129239A2
公开(公告)日：1984-12-27
申请号：EP84106970.1
申请日：1984-06-18
申请人： Montedison S.p.A.
发明人： Gubitosa, Giuseppe , Gherardi, Paola
IPC分类号： C01B33/28 , B01J29/28 , C07C5/27 , C07C6/12 , C07C2/66 , C07C1/20
CPC分类号： C07C6/123 , B01J29/40 , B01J2229/20 , B01J2229/37 , B01J2229/38 , C01B39/40 , C07C1/20 , C07C2/66 , C07C5/2708 , C07C2529/40 , C07C11/02 , C07C15/067
摘要： Method for the synthesis of ZSM-5 zeolites at atmospheric pressure, at a temperature preferably from 60 to 100°C wherein:

a) an aqueous solution containing a quaternary ammonium compound (OA) is added to a second aqueous solution, containing a Si compound, a Na compound and a potassium halogenide (K Hal.), according to the molar ratios:

-Na 2 O/SiO 2 ≥0.20 (preferably from 0.25 to 2);
-H 2 O/SiO 2 = = from 5 to 100 (preferably from 10 to 50);
-K Hal/SiO 2 = from 0.03 to 0.50;

b) a third aqueous solution, containing A1 sulphate, is added to the mixture obtained according to a);
c) to the mixture obtained according to b) an aqueous solution of H 2 SO 4 is added;

wherein the molar ratio Y = (QA/SiO 2 ) is from 0.02 to 0.08 and the molar ratio Z = SiO 2 /Al 2 O 3 is from 25 to 210, said Y ratio and the molar ratio X = OH - /SiO 2 being represented by points lying within triangles limited by the following 3 straight lines:

A) Y = 0.7 X;
B) X = K/Z, wherein K = 4 (K being constant);
C) Y = - 2/3 X + 1 - H, wherein the constant H is obtained from the expression: H = 1/2 (45/Z) 0,317 .
摘要翻译：在大气压，优选60〜100℃的温度下合成ZSM-5沸石的方法，其中：a）将含季铵化合物（QA）的水溶液加入含有Si化合物的第二水溶液，Na化合物和卤化钾（K Hal。），摩尔比：-Na2O / SiO2> = 0.20（优选0.25-2）; -H 2 O / SiO 2 = 5〜100（优选10〜50）：-K Hal / SiO 2 = 0.03〜0.50; b）将含有A1硫酸盐的第三水溶液加入到根据a）获得的混合物中; c）向根据b）获得的混合物中加入H 2 SO 4水溶液; 其中摩尔比Y =（QA / SiO 2）为0.02〜0.08，摩尔比Z = SiO 2 / Al 2 O 3的摩尔比为25〜210，所述Y比和摩尔比X = OH / SiO 2由点位于由三条直线限制的三角形内：A）Y = 0.7 X; B）X = K / Z，其中K = 4（K为常数）; C）Y = -2/3 X + 1-H，其中常数H由以下表达式获得：H = 1/2（45 / Z）<3> 3 <1> 7。

5. 发明授权

EP0129239B1 Method for the synthesis of ZSM-5 zeolite, at atmospheric pressure and at low temperature 失效
标题翻译： ZSM-5沸石合成方法，大气压和低温合成
公开(公告)号：EP0129239B1
公开(公告)日：1989-01-11
申请号：EP84106970.1
申请日：1984-06-18
申请人： Montedison S.p.A.
发明人： Gubitosa, Giuseppe , Gherardi, Paola
IPC分类号： C01B33/28 , B01J29/28 , C07C5/27 , C07C6/12 , C07C2/66 , C07C1/20
CPC分类号： C07C6/123 , B01J29/40 , B01J2229/20 , B01J2229/37 , B01J2229/38 , C01B39/40 , C07C1/20 , C07C2/66 , C07C5/2708 , C07C2529/40 , C07C11/02 , C07C15/067

6. 发明公开

EP0192485A3 Titanium dioxide particles, and process for preparing the same 失效
标题翻译：二氧化钛颗粒及其制备方法
公开(公告)号：EP0192485A3
公开(公告)日：1988-04-20
申请号：EP86301220
申请日：1986-02-20
申请人： Montedison S.p.A.
发明人： Matijevic, Egon , Gherardi, Paola
IPC分类号： C09C01/36 , G03G09/08
CPC分类号： B82Y30/00 , B01J21/063 , C01P2002/52 , C01P2002/70 , C01P2004/04 , C01P2004/32 , C01P2004/51 , C01P2004/61 , C01P2004/64 , C01P2004/82 , C01P2004/86 , C01P2006/12 , C01P2006/42 , C01P2006/60 , C09C1/3661 , Y10T428/2993
摘要： Spherical particles having sizes from 0.05 µm to 3.04 µm, and having a narrow size distribution, consist essentially of TiO 2 coated with a uniform layer having a thickness up to 400 A consisting essentially of a- or γ-Fe 2 O 3 , magnetite or mixtures thereof. Such particles may be prepared by a process comprising precipitating the iron oxide from a Fe (III) salt solution on the surface of solid preformed TiO 2 particles, the Fe (III) concentration being less than or equal to 40% by weight calculated on the basis of TiO 2 , the pH of the suspension being from 1.0 to 2.8, extremes excluded, and by heating the suspension to a temperature of from 80 to 100°C and by aging the suspension under such conditions during at least 30 minutes.

7. 发明公开

EP0212935A2 Titanates of barium and strontium, and process for preparing the same 失效
标题翻译：钡和锶钛酸盐和它们的制备方法。
公开(公告)号：EP0212935A2
公开(公告)日：1987-03-04
申请号：EP86306236.0
申请日：1986-08-12
申请人： Montedison S.p.A.
发明人： Gherardi, Paola , Matijevic, Egon
IPC分类号： C01G23/00
CPC分类号： B82Y30/00 , C01G23/006 , C01P2002/02 , C01P2004/03 , C01P2004/04 , C01P2004/32 , C01P2004/52 , C01P2004/54 , C01P2004/62 , C01P2004/64
摘要： Titanates of barium or of strontium, or mixed barium and strontium titanates, consisting essentially of solid, non-aggregated particles, having diameters from 0.05 to 1 micron and a very narrow particle size distribution expressed by the polydispersion index dw/dn of less than or equal to 1.20, where dw is the weight average diameter and dn is the number average diameter, said particles being perfectly spherical and having a total average axial ratio of at least 0.930. Such titanates are prepared by a process which provides the precipitation of a peroxidic precursor having the same morphological characteristics of the titanates, obtained by heating an alkaline solution comprising a complex of a titanium compound with a peroxidic compound, a M 2+ compound (selected from Ba, Sr or mixtures thereof) and a compound capable of complexing the M2 ion and able to be oxidized by the peroxidic compound unter the reaction conditions, giving rise to soluble decomposition products and such as to provide a homogeneous precipitation of the peroxidic precursor comprising titanium and M 2+ , and by subsequently heating the precursor to temperatures not below 100°C to obtain the corresponding titanate having the above-indicated morphological characteristics.
The invention also provides similar titanates but having a broad particle size distribution wherein dw/dn is greater than 1.20 but not greater than 2.00.

8. 发明公开

EP0192485A2 Titanium dioxide particles, and process for preparing the same 失效
标题翻译：二氧化钛和它们的制备方法。
公开(公告)号：EP0192485A2
公开(公告)日：1986-08-27
申请号：EP86301220.9
申请日：1986-02-20
申请人： Montedison S.p.A.
发明人： Matijevic, Egon , Gherardi, Paola
IPC分类号： C09C1/36 , G03G9/08
CPC分类号： B82Y30/00 , B01J21/063 , C01P2002/52 , C01P2002/70 , C01P2004/04 , C01P2004/32 , C01P2004/51 , C01P2004/61 , C01P2004/64 , C01P2004/82 , C01P2004/86 , C01P2006/12 , C01P2006/42 , C01P2006/60 , C09C1/3661 , Y10T428/2993
摘要： Spherical particles having sizes from 0.05 µm to 3.04 µm, and having a narrow size distribution, consist essentially of TiO 2 coated with a uniform layer having a thickness up to 400 A consisting essentially of a- or γ-Fe 2 O 3 , magnetite or mixtures thereof. Such particles may be prepared by a process comprising precipitating the iron oxide from a Fe (III) salt solution on the surface of solid preformed TiO 2 particles, the Fe (III) concentration being less than or equal to 40% by weight calculated on the basis of TiO 2 , the pH of the suspension being from 1.0 to 2.8, extremes excluded, and by heating the suspension to a temperature of from 80 to 100°C and by aging the suspension under such conditions during at least 30 minutes.

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