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公开(公告)号:US5336798A
公开(公告)日:1994-08-09
申请号:US32109
申请日:1993-03-17
申请人: Motoo Fukushima , Shigeru Mori
发明人: Motoo Fukushima , Shigeru Mori
CPC分类号: C08G77/60 , C07F7/0896
摘要: There is disclosed a method for preparing a polysilane oligomer having a terminal SiH group represented by the structural formula (1): ##STR1## wherein R.sup.1 to R.sup.4 are monovalent hydrocarbon groups with proviso that at least one of R.sup.1 to R.sup.4 is an aryl group, n and m are integers of 1 or more, and n+m is equal to 3, 4, 5 or 6 comprising the step of reacting a disilane of the structural formula (2): ##STR2## wherein R.sup.1 to R.sup.4 are as defined above in the presence of a Group VIII transition metal complex catalyst.
摘要翻译: 公开了一种制备具有由结构式(1)表示的末端SiH基团的聚硅烷低聚物的方法:其中R 1至R 4为单价烃基,条件是R 1至R 4中的至少一个为 芳基,n和m是1以上的整数,n + m等于3,4,5或6,包括使结构式(2)的乙硅烷反应的步骤:其中R1 至R 4如上述在VIII族过渡金属络合物催化剂存在下所定义。
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公开(公告)号:US5233068A
公开(公告)日:1993-08-03
申请号:US978543
申请日:1992-11-19
申请人: Motoo Fukushima , Shigeru Mori
发明人: Motoo Fukushima , Shigeru Mori
CPC分类号: C07F7/0841 , C07F7/21
摘要: Novel cyclic organic silicon compounds of formula (1) can be synthesized in high yields and high purity by reacting a dichlorosilane of formula (3) with a cyclotrisiloxane of formula (4) in an aprotic polar solvent to form an .alpha.,.omega.-dichlorosiloxane of formula (2), and reacting the .alpha.,.omega.-dichlorosiloxane with an alkali metal according to the following reaction scheme. ##STR1##
摘要翻译: 式(1)的新型环状有机硅化合物可以通过在非质子传递极性溶剂中使式(3)的二氯硅烷与式(4)的环三硅氧烷反应,以高产率和高纯度合成,形成α,ω-二氯硅氧烷 式(2)的化合物,并使α,ω-二氯硅氧烷与碱金属反应。
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公开(公告)号:US5159043A
公开(公告)日:1992-10-27
申请号:US812279
申请日:1991-12-23
申请人: Shigeru Mori , Eiichi Tabei , Motoo Fukushima , Yoshinori Hida
发明人: Shigeru Mori , Eiichi Tabei , Motoo Fukushima , Yoshinori Hida
CPC分类号: C08G77/60
摘要: Polyorganosilanes are prepared through contact reaction of an organodihalosilane with alkali metal fine particles dispersed in an organic solvent. the reaction solution is adjusted to an acidity of pH 3 to 7 before or after the step of deactivating the excess alkali metal in the reaction solution. The alkali metal halide is removed from the reaction solution by dissolving it in water. Formation of insoluble components is minimized.
摘要翻译: 聚有机硅烷通过有机二卤硅烷与分散在有机溶剂中的碱金属微粒的接触反应制备。 在使反应溶液中过量的碱金属失活的步骤之前或之后将反应溶液调节至pH 3至7的酸度。 将碱金属卤化物溶解在水中从反应溶液中除去。 不溶性组分的形成最小化。
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公开(公告)号:US5128430A
公开(公告)日:1992-07-07
申请号:US794979
申请日:1991-11-20
申请人: Eiichi Tabei , Motoo Fukushima , Yoshinori Hida , Akira Hayashida , Shigeru Mori
发明人: Eiichi Tabei , Motoo Fukushima , Yoshinori Hida , Akira Hayashida , Shigeru Mori
CPC分类号: C08G77/60
摘要: Polysilanes are produced by reacting dihalosilanes in the presence of alkali metals, By carrying out the dihalosilane reaction in the presence of copper halide catalysts at temperatures of at least 100.degree. C., higher molecular weight polysilanes are obtained in acceptable yields.
摘要翻译: 聚硅烷通过在碱金属的存在下使二卤代硅烷反应来制备。通过在卤化铜催化剂存在下,在至少100℃的温度下进行二氯硅烷反应,得到较高分子量的聚硅烷以可接受的产率。
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公开(公告)号:US4910278A
公开(公告)日:1990-03-20
申请号:US368513
申请日:1989-06-20
申请人: Kunio Itoh , Motoo Fukushima , Harukazu Okuda , Hiroyuki Ohata
发明人: Kunio Itoh , Motoo Fukushima , Harukazu Okuda , Hiroyuki Ohata
IPC分类号: C08F30/08 , C08F18/02 , C08F18/20 , C08F20/32 , C08F220/10 , C08F220/18 , C08F220/32 , C08F230/08 , C08F290/00 , C08F299/08 , C08G59/00 , C08G59/40 , C08L63/00
CPC分类号: C08F230/08
摘要: Rubber vulcanizates having excellent oil resistance, heat resistance and cold resistance can be obtained from a rubbery copolymer which is a polymerization product of an acrylic monomer mixture of which the essential components are an organosiloxy-containing acrylate compound such as acryloxymethyl pentamethyl disiloxane and 3-acryloxypropyl pentamethyl disiloxane and an epoxy group- or halogen-containing monomer such as allyl glycidyl ether, glycidyl methacrylate and vinyl chloroacetate, optionally, with addition of an acrylate ester monomer such as ethyl acrylate, n-butyl acrylate and 2-methoxyethyl acrylate.
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