公开(公告)号：US4954461A

公开(公告)日：1990-09-04

申请号：US170184

申请日：1988-03-18

申请人： Kiyohito Okamura ,  Mitsuhiko Sato ,  Yoshio Hasegawa ,  Tadao Seguchi ,  Shunichi Kawanishi

发明人： Kiyohito Okamura ,  Mitsuhiko Sato ,  Yoshio Hasegawa ,  Tadao Seguchi ,  Shunichi Kawanishi

IPC分类号： D01F9/10 ,  C01B21/082 ,  C04B35/589 ,  C04B35/591 ,  D01D5/08 ,  D01F9/08

CPC分类号： C04B35/589 ,  C04B35/591 ,  D01F9/08

摘要： A high purity and high strength inorganic silicon nitride continuous fiber substantially composed of Si and N with excellent properties can be provided. A method of producing the fiber is also disclosed.

摘要翻译： 可以提供基本上由Si和N组成的高纯度和高强度的无机氮化硅连续纤维。 还公开了一种生产纤维的方法。

公开(公告)号：US4916093A

公开(公告)日：1990-04-10

申请号：US312392

申请日：1989-02-21

申请人： Kiyohito Okamura ,  Mitsuhiko Sato ,  Yoshio Hasegawa

发明人： Kiyohito Okamura ,  Mitsuhiko Sato ,  Yoshio Hasegawa

IPC分类号： C03B8/02 ,  C01B21/082 ,  C03B19/12 ,  C03C10/00 ,  C03C13/00 ,  C04B35/589 ,  D01F9/08 ,  D01F9/10

CPC分类号： D01F9/10 ,  C04B35/589 ,  Y10S264/19

摘要： A continuous inorganic fiber consisting of Si, N and O has excellent physical, chemical and electrically insulating properties, is superior to carbon fiber in wettability with metal, is low in reactivity with metal, and can be used not only as a reinforcing fiber for fiber-reinforcing type metals and fiber-reinforcing type ceramics, but also in electrical insulating materials and in heat-resistant materials.

公开(公告)号：US4650773A

公开(公告)日：1987-03-17

申请号：US727816

申请日：1985-04-26

申请人： Kiyohito Okamura ,  Mitsuhiko Sato ,  Yoshio Hasegawa

发明人： Kiyohito Okamura ,  Mitsuhiko Sato ,  Yoshio Hasegawa

IPC分类号： C03B8/02 ,  C01B21/082 ,  C03B19/12 ,  C03C10/00 ,  C03C13/00 ,  C04B35/589 ,  D01F9/08 ,  D01F9/10 ,  C04B35/58

CPC分类号： D01F9/10 ,  C04B35/589 ,  Y10S264/19

摘要： A continuous inorganic fiber consisting of Si, N and O has excellent physical, chemical and electrically insulating properties, is superior to carbon fiber in wettability with metal, is low in reactivity with metal, and can be used not only as a reinforcing fiber for fiber-reinforcing type metals and fiber-reinforcing type ceramics, but also in electrical insulating materials and in heat-resistant materials.

摘要翻译： 由Si，N和O组成的连续无机纤维具有优异的物理，化学和电绝缘性能，与金属润湿性优于碳纤维，与金属的反应性低，不仅可用作纤维增强纤维 - 增强型金属和纤维增强型陶瓷，而且在电绝缘材料和耐热材料中。

公开(公告)号：US5093096A

公开(公告)日：1992-03-03

申请号：US531673

申请日：1990-06-01

申请人： Kiyohito Okamura ,  Mitsuhiko Sato ,  Yoshio Hasegawa ,  Tadao Seguchi ,  Shunichi Kawanishi

发明人： Kiyohito Okamura ,  Mitsuhiko Sato ,  Yoshio Hasegawa ,  Tadao Seguchi ,  Shunichi Kawanishi

IPC分类号： D01F9/10 ,  C01B21/082 ,  C04B35/589 ,  C04B35/591 ,  D01D5/08 ,  D01F9/08

CPC分类号： C04B35/589 ,  C04B35/591 ,  D01F9/08

摘要： A high purity and high strength inorganic silicon nitride continuous fiber substantially composed of Si and N with excellent properties can be provided. A method of producing the fiber is also disclosed.

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

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

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

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.

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。

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。