Title:
【発明の名称】ビスアリールジホスフェート類の製造方法および使用方法
Document Type and Number:
Japanese Patent JP2001512510
Kind Code:
A
Abstract:
Flame retardancy is provided to polymer resins by adding to the resin a bisaryl diphosphate that has not been purified to remove catalyst or catalyst residue from the product. The bisaryl diphosphate may be prepared by a two-step process that starts with the semi-continuous addition of dry bisphenol A to a heated mixture of phosphorous oxychloride and MgCl, and concludes with the addition of dry phenol to the step one intermediate.
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Inventors:
Bartley, David W
Lawler, Timothy Jay
Lawler, Timothy Jay
Application Number:
JP53598698A
Publication Date:
August 21, 2001
Filing Date:
February 10, 1998
Export Citation:
Assignee:
Great Lakes Chemical Corporation
International Classes:
C07F9/12; C08K5/521; C08K5/523; C08L101/00; C09K21/14; (IPC1-7): C08L101/00; C08K5/521; C09K21/14
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)