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    • 15. 发明授权
    • Chlorine-containing silazane polymers, process for their preparation,
ceramic materials containing silicon nitride which can be prepared from
them, and their preparation
    • 含氯硅氮烷聚合物,其制备方法,可由其制备的含有氮化硅的陶瓷材料及其制备
    • US5032663A
    • 1991-07-16
    • US444025
    • 1989-11-30
    • Tilo VaahsMarcellus PeuckertMartin Bruck
    • Tilo VaahsMarcellus PeuckertMartin Bruck
    • C04B35/589C08G77/48C08G77/60C08G77/62D01F9/10
    • C04B35/589C08G77/60
    • The invention relates to novel chlorine-containing silazane polymers, to their preparation, their further processing to ceramic material containing silicon nitride, and this material itself. In order to prepare the chlorine-containing silazane polymers, oligosilazanes of the formula (I) ##STR1## in which a>0, b.gtoreq.0 and n is about 2 to about 12, are reacted with at least one of the chlorosilanes Cl.sub.2 R.sup.4 Si--CH.sub.2 --CH.sub.2 --SiR.sup.4 Cl.sub.2, Cl.sub.3 Si--CH.sub.2 --CH.sub.2 --Sir.sup.5 Cl.sub.2, R.sup.6 SiCl.sub.3 or R.sup.7 SiHCl.sub.2 at 30.degree. C. to 300.degree. C., where, independently of one another,R.sup.1 and R.sup.2 =H, C.sub.1 -C.sub.6 -alkyl or C.sub.2 -C.sub.6 -alkenyl,R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 =C.sub.1 -C.sub.6 -alkyl or C.sub.2 -C.sub.6 -alkenyl and where if b=0 the reaction with R.sup.7 SiHCl.sub.2, if R.sup.7 =C.sub.1 -C.sub.6 -alkyl and none of the other chlorosilanes is present, is to be excluded.The chlorine-containing silazane polymers according to the invention can be converted by reaction with ammonia into polysilazanes, which in their turn can be pyrolyzed to form ceramic materials containing silicon nitride.
    • 本发明涉及新颖的含氯硅氮烷聚合物,用于制备它们对含有氮化硅的陶瓷材料的进一步加工,以及该材料本身。 为了制备含氯的硅氮烷聚合物,其中a> 0,b> / = 0和n为约2至约12的式(I)的低聚硅氮烷与至少一种氯硅烷 Cl 2 R 4 Si-CH 2 -CH 2 -SiR 4 Cl 2,Cl 3 Si-CH 2 -CH 2 -Sr 5 Cl 2,R 6 SiCl 3或R 7 SiHCl 3,其中彼此独立地为R 1和R 2 = H,C 1 -C 6 - 烷基或C 2 -C 6 - 烯基,R 3,R 4,R 5,R 6和R 7 = C 1 -C 6 - 烷基或C 2 -C 6 - 烯基,如果b = 0,则与R 7 SiHCl 2反应,如果R 7 = C 1 -C 6烷基, 存在氯硅烷,应被排除。 根据本发明的含氯硅氮烷聚合物可以通过与氨的反应转化成聚硅氮烷,聚硅氮烷又可以被热解以形成含有氮化硅的陶瓷材料。
    • 16. 发明授权
    • Polysubstituted chlorine-containing silazane polymers, process for their
preparation, ceramic materials containing silicon nitride which can be
manufactured therefrom, and their manufacture
    • 聚硅氧烷聚硅氧烷聚合物,其制备方法,含有可制造的硅酸钠的陶瓷材料及其制造方法
    • US5196556A
    • 1993-03-23
    • US444012
    • 1989-11-30
    • Tilo VaahsMarcellus PeuckertMartin Bruck
    • Tilo VaahsMarcellus PeuckertMartin Bruck
    • C04B35/589C08G77/48C08G77/62D01F9/10
    • C08G77/62C04B35/589
    • The invention relates to novel polysubstituted chlorine-containing silazane polymers, to their preparation, to their processing to form ceramic material containing silicon nitride, and to said material itself. The chlorine-containing silazane polymers are prepared by reating oligosilazanes of formula (I) ##STR1## in which at least one of the indices a or b and at least one of the indices c or d are not equal to 0 and n is about 2 to about 12, with at least one of the chlorosilanes Cl.sub.2 R.sup.6 Si--CH.sub.2 CH.sub.2 --SiR.sup.6 Cl.sub.2, Cl.sub.3 Si--CH.sub.2 CH.sub.2 --SiR.sup.7 Cl.sub.2, R.sup.8 SiCl.sub.3 or R.sup.9 SiHCl.sub.2 at 30.degree. C. to 300.degree. C., where the radicals independently of one another have the following meanings: R.sup.1, R.sup.2, R.sup.4 =H, C.sub.1 -C.sub.6 alkyl or C.sub.2 -C.sub.6 alkenyl and R.sup.3, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9 =C.sub.1 -C.sub.6 alkyl or C.sub.2 -C.sub.6 alkenyl.The polysubstituted chlorine-containing silazane polymers according to the invention can be converted into polysilazanes by reaction with ammonia, and these in turn can be pyrolyzed to form ceramic materials containing silicon nitride.
    • 本发明涉及新型多取代含氯硅氮烷聚合物,用于制备它们的加工以形成含有氮化硅的陶瓷材料,以及所述材料本身。 含氯的硅氮烷聚合物是通过将式(I)的寡硅氮烷反应制备的,其中指数a或b中的至少一个和指数c或d中的至少一个不等于0,n为约2 至约12个,其中至少一种氯硅烷Cl 2 R 6 Si-CH 2 CH 2 -SiR 6 Cl 2,Cl 3 Si-CH 2 CH 2 -SiR 7 Cl 2,R 8 SiCl 3或R 9 SiHCl 2在30℃至300℃,其中基团彼此独立地具有以下含义:R 1 ,R2,R4 = H,C1-C6烷基或C2-C6烯基,R3,R5,R6,R7,R8,R9 = C1-C6烷基或C2-C6链烯基。 根据本发明的多取代的含氯硅氮烷聚合物可以通过与氨的反应转化成聚硅氮烷,并且这些可以热解,形成含有氮化硅的陶瓷材料。
    • 17. 发明授权
    • Polymeric chlorosilazanes, process for their preparation, ceramic
materials containing silicon nitride which can be manufactured
therefrom, and their manufacture
    • 聚合氯化铝,其制备方法,含有可制造的硝酸硅的陶瓷材料及其制造方法
    • US5182411A
    • 1993-01-26
    • US444681
    • 1989-11-30
    • Tilo VaahsMarcellus PeuckertMartin Bruck
    • Tilo VaahsMarcellus PeuckertMartin Bruck
    • C04B35/589C08G77/48C08G77/62D01F9/10
    • C08G77/62C04B35/589
    • The invention relates to novel polymeric chlorosilazanes, to their preparation, to their processing to form ceramic material containing silicon nitride, and to said material itself. The polymeric chlorosilazanes are prepared by reacting a mixture of oligosilazanes of formula (I) ##STR1## in which n is about 2 to about 12, and oligosilazanes of formula (II), (RSiHNH).sub.m, in which m is about 3 to about 12, with at least one of the chlorosilanes Cl.sub.2 R.sup.2 Si--CH.sup.2 --CH.sub.2 --SiR.sup.2 Cl.sub.2, Cl.sub.3 Si--CH.sub.2 --CH.sub.2 --SiR.sup.3 Cl.sub.2, R.sup.4 SiCl.sup.3 or R.sup.5 SiHCl.sub.2 at 30.degree. C. to 300.degree. C., where R and R.sup.1 to R.sup.5 are C.sub.1 -C.sub.6 alkyl or C.sub.2 -C.sub.6 alkenyl groups which can be identical or different.The polymeric chlorosilazanes according to the invention can be converted into polysilazanes by reaction with ammonia, and these in turn can be pyrolyzed to form ceramic materials containing silicon nitride.
    • 本发明涉及新型聚合氯硅氮烷,用于制备它们的加工以形成含有氮化硅的陶瓷材料,以及所述材料本身。 聚合氯硅氮烷通过使式(I)的寡硅氮烷(其中n为约2至约12)和式(II)的低聚硅氮烷(RSiHNH)m的混合物(其中m为约 3至约12,其中至少一种氯硅烷Cl 2 R 2 Si-CH 2 -CH 2 -Si 2 Cl 2 Cl 2,Cl 3 Si-CH 2 -SiR 3 Cl 2,R 4 SiCl 3或R 5 SiHCl 2在30℃至300℃,其中R和R 1至R 5为C 1 -C 1-6烷基或可以相同或不同的C 2 -C 6烯基。 根据本发明的聚合氯硅氮烷可以通过与氨的反应转化成聚硅氮烷,并且它们又可以被热解以形成含有氮化硅的陶瓷材料。