公开(公告)号：WO1996034826A1

公开(公告)日：1996-11-07

申请号：PCT/US1996005927

申请日：1996-04-29

Applicant: U.S. BORAX INC.

Inventor： U.S. BORAX INC. ,  FISHER, Richard, P. ,  KWAMYA, John, D. ,  GRAY, Tracy, E.

IPC: C01B35/10

CPC classification number: C01B35/1036

Abstract: Amorphous boric oxide-containing product having about 80 to 90 % B2O3 is produced by heating boric acid to an elevated temperature of about 180 DEG to 220 DEG C to dehydrate the boric acid and form a molten glass which is cooled to a solid glassy product. The solid glass can be comminuted to produce a particulate product. Preferably the boric acid is heated at about 195 DEG to 205 DEG C. The process is readily adapted to a continuous process in which the boric acid is continuously fed through a heated reactor-mixer such as a Kneadermaster mixer or Discotherm mixer. The molten glassy product is cooled to form a solid glassy product which can be comminuted to a desirable particle size range.

Abstract translation: 通过将硼酸加热至约180℃至220℃的升高温度使硼酸脱水并形成冷却至固体玻璃状产物的熔融玻璃来制备具有约80至90％B 2 O 3的无定形含氧化硼的产物。 固体玻璃可以粉碎以产生颗粒产物。 优选地，硼酸在约195℃至205℃下加热。该方法容易适用于其中硼酸通过加热的反应器 - 混合器如Kneadermaster混合器或Discotherm混合器连续进料的连续方法。 将熔融的玻璃状产物冷却以形成固体玻璃状产物，其可粉碎至所需的粒度范围。

公开(公告)号：EP0824502B1

公开(公告)日：2001-10-10

申请号：EP96913246.3

申请日：1996-04-29

Applicant: U.S. Borax Inc.

Inventor： FISHER, Richard, P. ,  KWAMYA, John, D. ,  GRAY, Tracy, E.

IPC: C01B35/10

CPC classification number: C01B35/1036

Abstract: Amorphous boric oxide-containing product having about 80 to 90 % B2O3 is produced by heating boric acid to an elevated temperature of about 180° to 220 °C to dehydrate the boric acid and form a molten glass which is cooled to a solid glassy product. The solid glass can be comminuted to produce a particulate product. Preferably the boric acid is heated at about 195° to 205 °C. The process is readily adapted to a continuous process in which the boric acid is continuously fed through a heated reactor-mixer such as a Kneadermaster mixer or Discotherm mixer. The molten glassy product is cooled to form a solid glassy product which can be comminuted to a desirable particle size range.

公开(公告)号：EP0824502A1

公开(公告)日：1998-02-25

申请号：EP96913246.0

申请日：1996-04-29

Applicant: U.S. Borax Inc.

Inventor： FISHER, Richard, P. ,  KWAMYA, John, D. ,  GRAY, Tracy, E.

IPC: C03B5 ,  C01B35 ,  C03C3

CPC classification number: C01B35/1036

Abstract: Amorphous boric oxide-containing product having about 80 to 90 % B2O3 is produced by heating boric acid to an elevated temperature of about 180° to 220 °C to dehydrate the boric acid and form a molten glass which is cooled to a solid glassy product. The solid glass can be comminuted to produce a particulate product. Preferably the boric acid is heated at about 195° to 205 °C. The process is readily adapted to a continuous process in which the boric acid is continuously fed through a heated reactor-mixer such as a Kneadermaster mixer or Discotherm mixer. The molten glassy product is cooled to form a solid glassy product which can be comminuted to a desirable particle size range.