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    • 74. 发明授权
    • Oxaphosphorins and a process for their preparation
    • Oxaphosphorins及其制备方法
    • US5739372A
    • 1998-04-14
    • US659897
    • 1996-06-07
    • Dieter RegnatHans-Jerg Kleiner
    • Dieter RegnatHans-Jerg Kleiner
    • C07F9/6571C07F9/6574
    • C07F9/65719
    • The present invention relates to oxaphosphorins of the formula ##STR1## where Ar-Ar is 1-phenylnaphthyl or 1,1'-binaphthyl, R.sup.1 and R.sup.2 are identical or different and are F, Cl, alkyl or alkoxy each having from I to 8 carbon atoms or substituted or unsubstituted aryl, a and b are identical or different and are each an integer from 0 to 4, or Ar-Ar is biphenyl, R.sup.1 and R.sup.2 are identical or different and are substituted or unsubstituted aryl, a and b are as defined above, but a+b.gtoreq.1, X is Cl or Br and the Ar-P and Ar-O bonds are each arranged in the ortho position to the Ar-Ar bond. The invention further relates to a process for preparing these oxaphosphorins.
    • 本发明涉及式(I)的氧磷杂菁,其中Ar-Ar是1-苯基萘基或1,1'-联萘,R 1和R 2相同或不同,是F,Cl,烷基或烷氧基,各自具有 I至8个碳原子或取代或未取代的芳基,a和b相同或不同,各自为0至4的整数,或Ar-Ar为联苯基,R1和R2相同或不同,为取代或未取代的芳基, 和b如上所定义,但a + b> / = 1,X为Cl或Br,并且Ar-P和Ar-O键各自排列在Ar-Ar键的邻位。 本发明还涉及一种制备这些氧磷杂菁的方法。
    • 77. 发明授权
    • Low-pill, low-flammability polyesters, production thereof and structures
formed therefrom
    • 低丸,低可燃性聚酯,其生产和由其形成的结构
    • US5494993A
    • 1996-02-27
    • US296105
    • 1994-08-25
    • Volker FreudenbergerPeter KleinHans-Jerg Kleiner
    • Volker FreudenbergerPeter KleinHans-Jerg Kleiner
    • C08G63/68C08G63/692C08G63/695D01F6/84C08G79/02
    • D01F6/84C08G63/6922C08G63/6926C08G63/6952C08G63/6956Y10T442/696
    • Described are low-pill, low-flammability linear fiber-forming polyesters formed from dicarboxylic acid and diol components, which polyesters contain in their polymer chain modifying units formed by esterification or transesterification from compounds of the formulae I and/or II and/or III ##STR1## where R.sup.1 and R.sup.2 are identical or different and each is a univalent aliphatic, araliphatic or aromatic hydrocarbon radical having 1 to 12 carbon atoms, orR.sup.1 and R.sup.2 are together a bivalent aliphatic, araliphatic or aromatic radical,R.sup.3 is an (n+1)-valent organic radical,A is a group capable of ester formation, n is an integer from 1 to 3,R.sup.4 and R.sup.5 are identical or different and each is hydrogen or a univalent aliphatic, araliphatic or aromatic hydrocarbon radical having 1 to 12 carbon atoms,y is an integer from 1 to 10,R.sup.6 is hydrogen or a univalent aliphatic, araliphatic or aromatic hydrocarbon radical having 1 to 12 carbon atoms, and the index z is 0 or an integer from 1 to 2*i and the index i is a sufficiently small integer. Also described are processes for producing these polyesters and their use.
    • 描述了由二羧酸和二醇组分形成的低丸,低可燃性线性纤维形成聚酯,该聚酯在其通过式I和/或II和/或III的化合物的酯化或酯交换形成的聚合物链修饰单元中含有 R 2是相同或不同的,并且各自是具有1至12个碳原子的单价脂肪族,芳脂族或芳族烃基,或者R 1和R 2一起是二价脂族,芳脂族或芳族基团,R 3是(n + 1) )价有机基团,A是能够形成酯的基团,n是1至3的整数,R4和R5相同或不同,各自是氢或具有1至12个碳原子的一价脂族,芳脂族或芳族烃基 原子,y为1至10的整数,R6为氢或具有1至12个碳原子的单价脂族,芳脂族或芳族烃基,并且指数z为0或1至2 * i的整数,并且指数i 是一样 足够小的整数。 还描述了生产这些聚酯的方法及其用途。
    • 80. 发明授权
    • Polymeric hydridochlorosilazanes, process for their preparation, ceramic
materials containing silicon nitride which can be manufactured
therefrom, and their manufacture
    • 聚合氢氯硅氮烷,其制备方法,可由其制造的含氮化硅的陶瓷材料及其制造方法
    • US5189132A
    • 1993-02-23
    • US759035
    • 1991-09-05
    • Tilo VaahsThomas GerdauHans-Jerg KleinerMarcellus PeuckertMartin Bruck
    • Tilo VaahsThomas GerdauHans-Jerg KleinerMarcellus PeuckertMartin Bruck
    • C04B35/589C08G77/62
    • C04B35/589C08G77/62
    • The invention relates to novel polymeric hydridochlorosilazanes, to their preparation, to their processing to form ceramic materials containing silicon nitride, and to said materials themselves. The polymeric hydridochlorosilazanes are prepared by reacting oligohydridoorganosilazanes of the general formula (R.sup.1 SiHNH).sub.n, in which n is about 3 to about 12, with at least one of the chlorosilanes R.sup.2 SiHCl.sub.2, R.sup.3 SiCl.sub.3, Cl.sub.2 R.sup.4 Si--CH.sub.2 CH.sub.2 --SiR.sup.4 Cl.sub.2 or Cl.sub.3 Si--CH.sub.2 CH.sub.2 --SiR.sup.5 Cl.sub.2 at 30.degree. C. to 300.degree. C., where the radicals independently of one another have the following meanings:R.sup.1 =a C.sub.1 -C.sub.6 alkyl or C.sub.2 -C.sub.6 alkenyl group,R.sup.2 =a C.sub.2 -C.sub.6 alkenyl group if R.sup.2 SiHCl.sub.2 is reacted with the oligosilazanes by itself, orR.sup.2 =a C.sub.1 -C.sub.6 alkyl or C.sub.2 -C.sub.6 alkenyl group if R.sup.2 SiHCl.sub.2 is reacted with the oligosilazanes as a mixture with other chlorosilanes, andR.sup.3, R.sup.4, R.sup.5 =a C.sub.1 -C.sub.6 alkyl or C.sub.C.sub.2 -C.sub.6 alkenyl group,and where R.sup.3 SiCl.sub.3 is used only as a mixture with at least one of the other chlorosilanes (containing R.sup.2, R.sup.4 or R.sup.5).The polymeric hydridochlorosilazanes 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.
    • 本发明涉及新型的聚合氯化二氯硅氮烷,用于其制备,以形成含有氮化硅的陶瓷材料的加工,以及所述材料本身。 通过使通式(R1SiHNH)n的低聚氢化有机硅氮烷(其中n为约3至约12)与至少一种氯代硅烷R 2 SiHCl 2,R 3 SiCl 3,Cl 2 R 4 Si-CH 2 CH 2 -SiR 4 Cl 2或Cl 3 Si-CH 2 CH 2 -SiR 5 Cl 2中的至少一种反应来制备聚合的氢氯硅氮烷, 30℃至300℃,其中彼此独立的基团具有以下含义:R 1 = C 1 -C 6烷基或C 2 -C 6烯基,如果R 2 SiHCl 2与C 2 -C 6烯基反应,则R 2 = C 2 -C 6烯基 如果R2SiHCl2与低聚硅氮烷作为与其它氯硅烷的混合物反应,则R2 = C1-C6烷基或C2-C6烯基,R3,R4,R5 = C1-C6烷基或CC2-C6烯基 ,并且其中R 3 SiCl 3仅与至少一种其它氯硅烷(包含R 2,R 4或R 5)一起使用。 根据本发明的聚合物氯化硅烷可以通过与氨的反应转化为聚硅氮烷,并且这些可以热解而形成含有氮化硅的陶瓷材料。