公开(公告)号：DE3886695D1

公开(公告)日：1994-02-10

申请号：DE3886695

申请日：1988-11-04

Applicant: HOECHST AG

Inventor： VAAHS TILO DR ,  KLEINER HANS-JERG DR ,  PEUCKERT MARCELLUS DR ,  BRUECK MARTIN ,  ALDINGER FRITZ DR

IPC: C04B35/58 ,  C04B35/589 ,  C08G77/62

Abstract: The polysilazanes are prepared by reacting dialkylaminoorganyldichlorosilanes of the formula RSiCl2-NR'R' with ammonia and can then be pyrolysed to give a ceramic material containing silicon nitride. The polysilazanes according to the invention are soluble in conventional aprotic solvents.

公开(公告)号：DE3883723D1

公开(公告)日：1993-10-07

申请号：DE3883723

申请日：1988-11-25

Applicant: HOECHST AG

Inventor： VAAHS TILO DR ,  KLEINER HANS-JERG DR ,  PEUCKERT MARCELLUS DR ,  BRUECK MARTIN

IPC: C01B21/068 ,  C04B35/00 ,  C04B35/589 ,  C04B41/87 ,  C08G77/48 ,  C08G77/60 ,  C08G77/62 ,  D01F9/10

Abstract: The polysilazanes are prepared by reacting Si, Si'-diorganyl-N-alkyltetrachlorodisilazanes of the formula RSiCl2-NR'-SiCl2R with ammonia and can then be pyrolysed to give a silicon nitride-containing ceramic material. The polysilazanes are soluble in conventional aprotic solvents.

公开(公告)号：CA1313722C

公开(公告)日：1993-02-16

申请号：CA579344

申请日：1988-10-05

Applicant: HOECHST AG

Inventor： GERDAU THOMAS ,  KLEINER HANS-JERG ,  PEUCKERT MARCELLUS ,  BRUECK MARTIN ,  ALDINGER FRITZ

IPC: C04B35/589 ,  C07F7/10 ,  C08G77/48 ,  C08G77/62

Abstract: of the disclosure: HOE 87/F 302 Polymeric hydridochlorosilazanes and processes for their preparation The invention relates to novel polymeric hydridochlorosilLazanes and a process for their preparation. The compounds according to the invention can be converted into polyhydridosilazanes by reaction with ammonia, and these can in turn be pyrolyzed to ceramic material containing silicon nitride. To prepare the polymeric hydridochlorosilazanes, oligohydridoalkylsilazanes (R1SiHNH)n are reacted with a dichlorohydridoalkylsilane R2SiHCl2.

公开(公告)号：DE3733727A1

公开(公告)日：1989-04-20

申请号：DE3733727

申请日：1987-10-06

Applicant: HOECHST AG

Inventor： GERDAU THOMAS DR ,  KLEINER HANS-JERG DR ,  PEUCKERT MARCELLUS DR ,  BRUECK MARTIN ,  ALDINGER FRITZ DR

IPC: C04B35/589 ,  C07F7/10 ,  C08G77/48 ,  C08G77/62

Abstract: The hydridochlorosilazanes can be reacted with ammonia to give polyhydridosilazanes which can in turn pyrolyse to give ceramic material containing silicon nitride. The polymer hydridochlorosilazanes are prepared by reacting oligohydridoalkylsilazanes (R SiHNH)n with a dichlorohydridoalkylsilane R SiHCl2.