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1. 发明授权

US4455414A Process for producing an organometallic copolymer 失效
标题翻译：制备有机金属共聚物的方法
公开(公告)号：US4455414A
公开(公告)日：1984-06-19
申请号：US337236
申请日：1982-01-06
申请人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
发明人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
IPC分类号： C01B31/30 , C04B35/571 , C08G77/42 , C08G77/58 , C08G77/50 , C08G77/60
CPC分类号： C01B31/301 , C04B35/571 , C08G77/42 , C08G77/58 , C01P2002/72 , C01P2002/82
摘要： A process for producing an organometallic copolymer composed of a polycarbosilane portion and a polymetallosiloxane portion crosslinked with each other, which comprises reacting (1) a polycarbosilane having a main chain skeleton composed mainly of carbosilane units of the formula --Si--CH.sub.2 --, with (2) a polymetallosiloxane having a main chain skeleton composed of metalloxane units of the formula --M--O-- wherein M represents Ti or Zr and siloxane units of the formula --Si--O--, in an organic solvent in an inert atmosphere thereby to bond at least some of the silicon atoms of said polycarbosilane to at least some of the metal atoms M and/or silicon atoms of said polymetallosiloxane through an oxygen atom; and the organometallic copolymer obtained by the aforesaid process.

2. 发明授权

US4347347A Crosslinked organometallic block copolymers and process for production thereof 失效
标题翻译：交联的有机金属嵌段共聚物及其制备方法
公开(公告)号：US4347347A
公开(公告)日：1982-08-31
申请号：US160516
申请日：1980-06-18
申请人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
发明人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
IPC分类号： C01B31/30 , C04B35/571 , C08G77/42 , C08G77/58 , C08G77/60 , C08G77/54
CPC分类号： C01B31/301 , C04B35/571 , C08G77/42 , C08G77/58 , C01P2002/72 , C01P2002/82
摘要： A process for producing an organometallic copolymer composed of a polycarbosilane portion and a polymetallosiloxane portion crosslinked with each other, which comprises reacting (1) a polycarbosilane having a main chain skeleton composed mainly of carbosilane units of the formula --Si-CH.sub.2 --, with (2) a polymetallosiloxane having a main chain skeleton composed of metalloxane units of the formula --M-O-- wherein M represents Ti or Zr and siloxane units of the formula --Si-O--, in an organic solvent in an inert atmosphere thereby to bond at least some of the silicon atoms of said polycarbosilane to at least some of the metal atoms M and/or silicon atoms of said polymetallosiloxane through an oxygen atom; and the organometallic copolymer obtained by the aforesaid process.
摘要翻译：一种由聚碳硅烷部分和聚硅氧烷部分交联的有机金属共聚物的制造方法，其特征在于，使（1）具有主要由式-Si-CH 2 - 的碳硅烷单元构成的主链骨架的聚碳硅烷与（ 2）具有由式-MO-的金属氧化物单元构成的主要骨架的聚金属硅氧烷，其中M表示Ti或Zr和式-Si-O-的硅氧烷单元，在有机溶剂中在惰性气氛中至少键合所述聚碳硅烷的一些硅原子通过氧原子与所述聚金属硅氧烷的至少一些金属原子M和/或硅原子; 和通过上述方法获得的有机金属共聚物。

3. 发明授权

US4399232A Continuous inorganic fibers and process for production thereof 失效
标题翻译：连续无机纤维及其生产方法
公开(公告)号：US4399232A
公开(公告)日：1983-08-16
申请号：US382320
申请日：1982-05-26
申请人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
发明人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
IPC分类号： C01B31/36 , C03C13/00 , C04B35/571 , C04B35/622 , C08G77/42 , C08G77/60 , C08G79/00 , C08G81/00 , D01F9/10 , C03C3/12 , C03C14/00 , C04B35/52 , C04B35/80
CPC分类号： B82Y30/00 , C01B31/36 , C03C13/00 , C04B35/571 , C04B35/62272 , C08G77/42 , C08G77/60 , C08G79/00 , C08G81/00 , D01F9/10 , C01P2002/54 , C01P2002/72 , C01P2004/10 , C01P2004/64 , C01P2006/90
摘要： Continuous inorganic fibers consisting substantially of Si, Ti and C and optionally of O, said fibers being composed of (1) an amorphous material consisting substantially of Si, Ti and C and optionally of O, or (2) an aggregate consisting substantially of ultrafine crystalline particles of .beta.-SiC, TiC, a solid solution of .beta.-SiC and TiC and TiC.sub.1-x wherein 0
摘要翻译：连续无机纤维基本上由Si，Ti和C以及任选的O组成，所述纤维由（1）基本上由Si，Ti和C组成的非晶材料和任选的O组成，或（2）基本上由超细 β-SiC，TiC，β-SiC和TiC的固溶体和TiCl-x的结晶颗粒，其中0

4. 发明授权

US4336215A Sintered ceramic body and process for production thereof 失效
标题翻译：烧结陶瓷体及其制造方法
公开(公告)号：US4336215A
公开(公告)日：1982-06-22
申请号：US210445
申请日：1980-11-25
申请人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
发明人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
IPC分类号： C04B35/571 , C04B35/589 , C04B35/63 , C04B35/52
CPC分类号： C04B35/6316 , C04B35/571 , C04B35/589
摘要： A process for producing a sintered ceramic body, which comprises heating a semi-inorganic block copolymer at a temperature of from 500.degree. to 2300.degree. C. in an environment of vacuum or inert gases, reducing gases or hydrocarbon gases, said copolymer comprising polycarbosilane blocks, having a main-chain skeleton composed mainly of carbosilane units of the formula --Si--CH.sub.2 -- and titanoxane units of the formula --Ti--O--; and shaping the heated product, and simultaneously with, or after, the shaping of the heated product, sintering the shaped product at a temperature of from 800.degree. C. to 2300.degree. C. in an environment of vacuum or inert gases, reducing gases or hydrocarbon gases; and a sintered ceramic body consisting substantially of Si, Ti and C and optionally of O, said sintered by being composed substantially of(1) an amorphous material consisting substantially of Si, Ti and C and optionally of O, or(2) an aggregate consisting substantially of ultrafine crystalline particles of .beta.-SiC, TiC, a solid solution of .beta.-SiC and TiC and TiC.sub.1-x wherein 0
摘要翻译：一种烧结陶瓷体的制造方法，其特征在于，在真空或惰性气体，还原气体或烃气体的环境中，在500〜2300℃的温度下加热半无机嵌段共聚物，所述共聚物包含聚碳硅烷嵌段具有主要由式-Si-CH2-的碳硅烷单元构成的主链骨架和式-Ti-O-的钛氧烷单元; 并且对加热的产品进行成形，并且在加热产品的成型同时或之后，在真空或惰性气体的环境中，在800℃至2300℃的温度下烧结成形产品，还原气体或碳氢化合物气体; 和基本上由Si，Ti和C组成的烧结陶瓷体，任选地O组成，所述烧结陶瓷体基本上由（1）基本上由Si，Ti和C组成的无定形材料和任选地O组成，或（2）聚集体基本上由β-SiC，TiC，β-SiC和TiC的固溶体和TiCl-x（其中0

5. 发明授权

US4342712A Process for producing continuous inorganic fibers 失效
标题翻译：生产连续无机纤维的方法
公开(公告)号：US4342712A
公开(公告)日：1982-08-03
申请号：US160342
申请日：1980-06-18
申请人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
发明人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
IPC分类号： C01B31/36 , C03C13/00 , C04B35/571 , C04B35/622 , C08G77/42 , C08G77/60 , C08G79/00 , C08G81/00 , D01F9/10 , C01F7/02
CPC分类号： B82Y30/00 , C01B31/36 , C03C13/00 , C04B35/571 , C04B35/62272 , C08G77/42 , C08G77/60 , C08G79/00 , C08G81/00 , D01F9/10 , C01P2002/54 , C01P2002/72 , C01P2004/10 , C01P2004/64 , C01P2006/90
摘要： Continuous inorganic fibers consisting substantially of Si, Ti and C and optionally of O, said fibers being composed of (1) an amorphous material consisting substantially of Si, Ti and C and optionally of O, or (2) an aggregate consisting substantially of ultrafine crystalline particles of .beta.-SiC, TiC, a solid solution of .beta.-SiC and TiC and TiC.sub.1-x wherein 0
摘要翻译：连续无机纤维基本上由Si，Ti和C以及任选的O组成，所述纤维由（1）基本上由Si，Ti和C组成的非晶材料和任选的O组成，或（2）基本上由超细 β-SiC，TiC，β-SiC和TiC的固溶体和TiCl-x的结晶颗粒，其中0

6. 发明授权

US4556526A Process for production of sintered ceramic body 失效
标题翻译：烧结陶瓷体的生产工艺
公开(公告)号：US4556526A
公开(公告)日：1985-12-03
申请号：US245849
申请日：1981-03-20
申请人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
发明人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
IPC分类号： C04B35/571 , C04B35/63 , C08G77/398 , C04B35/52
CPC分类号： C08G77/398 , C04B35/571 , C04B35/6316
摘要： A process for producing a sintered ceramic body, which comprises heating a semi-inorganic block copolymer at a temperature of from 500.degree. to 2300.degree. C. in an environment of vacuum or inert gases, reducing gases or hydrocarbon gases, said copolymer comprising polycarbosilane blocks having a main-chain skeleton composed mainly of carbosilane units of the formula (Si--CH.sub.2) and zirconoxane units of the formula (Zr--O); and shaping the heated product, and simultaneously with, or after, the shaping of the heated product, sintering the shaped product at a temperature of from 800.degree. C. to 2300.degree. C. in an environment of vacuum or inert gases, reducing gases or hydrocarbon gases; and a sintered ceramic body consisting substantially of Si, Zr and C and optionally of O, said sintered body being composed substantially of(1) an amorphous material consisting substantially of Si, Zr and C and optionally of O, or(2) an aggregate consisting subtantially of ultrafine crystalline particles of .beta.-SiC, ZrC, a solid solution of .beta.-SiC and ZrC and ZrC.sub.1-x wherein O
摘要翻译：一种烧结陶瓷体的制造方法，其特征在于，在真空或惰性气体，还原气体或烃气体的环境中，在500〜2300℃的温度下加热半无机嵌段共聚物，所述共聚物包含聚碳硅烷嵌段具有主要由式（Si-CH 2）的碳硅烷单元和式（Zr-O）的氧化锆单元组成的主链骨架; 并且对加热的产品进行成形，并且在加热产品的成型同时或之后，在真空或惰性气体的环境中，在800℃至2300℃的温度下烧结成形产品，还原气体或碳氢化合物气体; 和基本上由Si，Zr和C组成的烧结陶瓷体以及任选的O，所述烧结体基本上由（1）基本上由Si，Zr和C组成的无定形材料和任选的O组成，或（2）聚集体由β-SiC，ZrC，β-SiC和ZrC和ZrCl-x的固溶体，其中O

7. 发明授权

US4359559A Novel polymetallocarbosilane, and process for its production 失效
标题翻译：新型聚甲基硅烷，以及其生产方法
公开(公告)号：US4359559A
公开(公告)日：1982-11-16
申请号：US208744
申请日：1980-11-20
申请人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
发明人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
IPC分类号： C01B31/30 , C04B35/571 , C08G77/58 , C08G77/60 , C08F283/00
CPC分类号： C01B31/30 , C04B35/571 , C08G77/58 , C08G77/60 , C01P2002/50 , C01P2002/54 , C01P2002/72 , C01P2002/82
摘要： A polymetallocarbosilane having a number average molecular weight of 700 to 100,000 derived from a polycarbosilane having a number average molecular weight of 200 to 10,000 and containing a main-chain skeleton represented mainly by the general formula ##STR1## wherein R represents a hydrogen atom, a lower alkyl group or a phenyl group,and an organometallic compound represented by the general formulaMX.sub.4Wherein M represents Ti or Zr, and X represents an alkoxy group having 1 to 20 carbon atoms, a phenoxy group or an acetylacetoxy group,at least one of the silicon atoms of the polymetallocarbosilane being bonded to the metal atom (M) through an oxygen atom, the ratio of the total number of the structural units --Si--CH.sub.2 -- to the total number of the structural units --M--O-- in the polymetallocarbosilane being in the range of from 2:1 to 200:1; and a process for production thereof.
摘要翻译：从数均分子量为200〜10,000的聚碳硅烷衍生的数均分子量为700〜100,000的多元羧酸硅烷，主要由通式“IMAGE”表示的主链骨架，其中R表示氢原子，低级烷基或苯基，以及由通式MX4表示的有机金属化合物，其中M表示Ti或Zr，X表示碳原子数1〜20的烷氧基，苯氧基或乙酰乙酰氧基，多金属羧基硅烷的硅原子通过氧原子与金属原子（M）结合，结构单元-Si-CH 2 - 的总数与多元羧基硅烷中的结构单元-MO-的总数之比为在2：1至200：1的范围内; 及其制造方法。

8. 发明授权

US4663229A Continuous inorganic fibers and process for production thereof 失效
标题翻译：连续无机纤维及其生产方法
公开(公告)号：US4663229A
公开(公告)日：1987-05-05
申请号：US702649
申请日：1985-02-19
申请人： Mantaro Yajima , Akiko Noda , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
发明人： Mantaro Yajima , Akiko Noda , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamamura
IPC分类号： C04B35/571 , C04B35/622 , C08G77/60 , D02G3/00
CPC分类号： C04B35/62272 , C04B35/571 , C08G77/60 , Y10S264/19 , Y10T428/2913 , Y10T428/294
摘要： Continuous inorganic fibers consisting substantially of Si, Zr and C and optionally of O, said fibers being composed of (1) an amorphous material consisting substantially of Si, Zr and C and optionally of O, or (2) an aggregate consisting substantially of ultrafine crystalline particles of .beta.-SiC, ZrC, a solid solution of .beta.-SiC and ZrC and ZrC.sub.1-x wherein O

9. 发明授权

US4515742A Continuous inorganic fibers and process for production thereof 失效
标题翻译：连续无机纤维及其生产方法
公开(公告)号：US4515742A
公开(公告)日：1985-05-07
申请号：US330999
申请日：1981-12-15
申请人： Seishi Yajima, deceased , Akiko Noda, heir , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamaura
发明人： Seishi Yajima, deceased , Akiko Noda, heir , Kiyohito Okamura , Yoshio Hasegawa , Takemi Yamaura
IPC分类号： C04B35/571 , C04B35/622 , C08G77/60 , D01D5/04
CPC分类号： C04B35/62272 , C04B35/571 , C08G77/60 , Y10S264/19 , Y10T428/2913 , Y10T428/294
摘要： Continuous inorganic fibers consisting substantially of Si, Zr and C and optionally of O, said fibers being composed of (1) an amorphous material consisting substantially of Si, Zr and C and optionally of O, or (2) an aggregate consisting substantially of ultrafine crystalline particles of .beta.-SiC, ZrC, a solid solution of .beta.-SiC and ZrC and ZrC.sub.1-x wherein 0
摘要翻译：基本上由Si，Zr和C组成的连续无机纤维和任选的O，所述纤维由（1）基本上由Si，Zr和C组成的非晶材料和任选的O组成，或（2）基本上由超细 β-SiC，ZrC的结晶粒子，β-SiC和ZrC的固溶体和ZrCl-x，其中0

10. 发明授权

US4220600A Polycarbosilane, process for its production, and its use as material for producing silicon carbide fibers 失效
标题翻译：聚碳硅烷，其生产工艺及其作为生产碳化硅纤维材料的用途
公开(公告)号：US4220600A
公开(公告)日：1980-09-02
申请号：US953518
申请日：1978-10-23
申请人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa
发明人： Seishi Yajima , Kiyohito Okamura , Yoshio Hasegawa
IPC分类号： C01B31/36 , C04B35/571 , C08G77/32 , C08L83/14 , C07F7/08
CPC分类号： C08G77/32 , C01B31/36 , C04B35/571 , C08L83/14 , C01P2002/72 , C01P2002/82 , C01P2002/85 , C01P2002/88 , C01P2004/10 , C01P2004/61 , C01P2006/22 , C01P2006/90
摘要： A process for producing polycarbosilane partly containing siloxane bonds, ich comprises adding 0.01 to 15% by weight of polyborosiloxane having phenyl groups in at least a part of the side chains of Si with its skeletal structure being composed of B, Si and O to a polysilane having the structure ##STR1## wherein n is at least 3, and R.sub.1 and R.sub.2, independently from each other, represent methyl, ethyl, phenyl or hydrogen; and heating the polymer mixture in an atmosphere inert to the reaction thereby to polymerize it. The polycarbosilane has excellent properties, and is especially suitable as a raw material for the production of silicon carbide fibers.
摘要翻译：一种制备部分含硅氧烷键的聚碳硅烷的方法，其包括在Si的至少一部分侧链中添加0.01至15重量％的具有苯基的聚硼硅氧烷，其骨架结构由B，Si和O组成，聚硅烷具有结构，其中n至少为3，并且R 1和R 2彼此独立地表示甲基，乙基，苯基或氢; 并在对反应惰性的气氛中加热聚合物混合物，使其聚合。聚碳硅烷具有优异的性能，特别适用于生产碳化硅纤维的原料。

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