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公开(公告)号:NO924366D0
公开(公告)日:1992-11-12
申请号:NO924366
申请日:1992-11-12
Applicant: LUBRIZOL CORP
Inventor: HELLER FRED E , QUINN ROBERT E , HIGGINS WILLIAM A
IPC: C04B35/26 , C04B35/632 , C04B35/45 , C04B35/565 , C04B35/581 , C04B35/634 , C04B
Abstract: The invention relates to methods of preparing sintered shapes (shaped articles) comprising the steps of forming a green body from a mixture comprising (A) a major amount of at least one inorganic powder with (B) at least one reaction product of an amine other than an alkanolamine with a hydrocarbyl-substituted carboxylic acylating agent or alkylalkyleneglycolacetic acylating agent; provided the reaction product is other than an alkylene oxide treated fatty monocarboxylic amide and provided that when the hydrocarbyl-substituted carboxylic acylating agent is a nonaromatic acylating agent, then the hydrocarbyl group is other than hydrocarbyl groups having an average of about 55 to about 110 carbon atoms; and sintering the green body. Sintered shapes obtainable from the methods of the present invention have relatively high fired densities and small uniform grain sizes and low porosity.