Contact lens comprising trimethylvinylsilane polymer
    1.
    发明授权
    Contact lens comprising trimethylvinylsilane polymer 失效
    隐形眼镜包括三甲基乙烯基硅烷聚合物

    公开(公告)号:US4649185A

    公开(公告)日:1987-03-10

    申请号:US798757

    申请日:1985-11-15

    CPC分类号: C08F30/08 G02B1/043

    摘要: The contact lens of the invention is shaped of a poly(trimethylvinylsilane) resin having an average molecular weight of at least 200,000 or a copolymer based thereon. The contact lens has a very high oxygen permeability comparable to conventional transparent silicone rubbers so as to ensure a long time of continued wearing of the lens on the cornea with no adverse physiological influences and the material still has much better mechanical workability for precision shaping into a lens form than the transparent silicone rubbers.

    摘要翻译: 本发明的隐形眼镜成型为平均分子量至少为200,000的聚(三甲基乙烯基硅烷)树脂或基于其的共聚物。 隐形眼镜具有与传统的透明硅橡胶相当的非常高的氧透过率,以便确保镜片在角膜上持续磨损的长时间,没有不利的生理影响,并且该材料仍然具有更好的机械加工性,用于精确成形为 透镜形式比透明硅橡胶。

    Pervaporation method for separating liquids in mixture
    2.
    发明授权
    Pervaporation method for separating liquids in mixture 失效
    用于分离混合物中液体的渗透蒸发法

    公开(公告)号:US4728431A

    公开(公告)日:1988-03-01

    申请号:US771985

    申请日:1985-09-03

    摘要: The efficiency of the pervaporation method for the separation or enrichment of liquids in mixture, e.g. water and ethyl alcohol, can be greatly improved when the partitioning membrane is made of a polymeric composition comprising a specific organosilyl-substituted polyenic polymer composed of the monomeric moieties represented by the general formula ##STR1## in which R.sup.1 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms and the groups denoted by R are each independently a hydrogen atom, a monovalent hydrocarbon group having 1 to 8 carbon atoms or a silicon-containing organic group such as those represented by the general formula --CH.sub.2 --SiMe.sub.2 R.sup.2, Me being a methyl group and R.sup.2 being a lower alkyl group having 1 to 4 carbon atoms. The performance and durability of the membrane can be further improved when the polymeric composition is a polymer blend of the above described polyenic polymer and a poly(trimethyl vinyl silane).

    摘要翻译: 用于分离或富集混合物中的液体的渗透蒸发方法的效率,例如 当分隔膜由包含由通式“IMAGE”表示的单体部分组成的特定有机甲硅烷基取代的多烯聚合物的聚合物组合物中可以大大改善,其中R 1是氢原子或烷基 具有1至4个碳原子的基团和由R表示的基团各自独立地为氢原子,具有1至8个碳原子的一价烃基或含硅的有机基团,例如由通式-CH 2 -SiMe 2 R 2表示的基团, Me为甲基,R2为碳原子数1〜4的低级烷基。 当聚合物组合物是上述多元聚合物与聚(三甲基乙烯基硅烷)的聚合物共混物时,可以进一步改善膜的性能和耐久性。

    Composite hollow fiber
    3.
    发明授权
    Composite hollow fiber 失效
    复合中空纤维

    公开(公告)号:US4689267A

    公开(公告)日:1987-08-25

    申请号:US759308

    申请日:1985-07-26

    摘要: This invention provides a composite hollow fiber comprising a porous hollow fiber substrate and a coating layer formed on at least one of the outer surface and the inner surface of said substrate. The coating layer comprises a polymer having at least one of the structural units represented by the formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or a lower alkyl group; R.sup.2, R.sup.3 and R.sup.4, which may be identical or different, represent a hydrogen atom, a monovalent hydrocarbon group having 1 to 8 carbon atoms or a monovalent silicon-containing organic group.This composite hollow fiber is excellent in gas permeability and gas separation performance and has high heat resistance, humidity resistance and mechanical strength.

    摘要翻译: 本发明提供了一种复合中空纤维,其包括多孔中空纤维基材和形成在所述基材的外表面和内表面中的至少一个上的涂层。 涂层包含具有式(I)表示的至少一个结构单元的聚合物:其中R 1表示氢原子或低级烷基; R2,R3和R4可以相同或不同,表示氢原子,碳原子数为1〜8的一价烃基或一价含硅有机基团。 该复合中空纤维的气体渗透性和气体分离性能优异,并且具有高耐热性,耐湿性和机械强度。

    Substituted polyacetylene copolymer
    5.
    发明授权
    Substituted polyacetylene copolymer 失效
    取代的聚乙炔共聚物

    公开(公告)号:US4567245A

    公开(公告)日:1986-01-28

    申请号:US681861

    申请日:1984-12-14

    CPC分类号: C08F238/00

    摘要: The invention provides a novel substituted polyacetylene copolymer having an outstandingly large oxygen permeation coefficient of 6.times.10.sup.-8 cm.sup.3 (STP).multidot.cm/cm.sup.2 .multidot.sec.multidot.cmHg or larger and a separation factor between oxygen and nitrogen of 2.0 or larger along with a high tensile strength of 200 kg/cm.sup.2 or larger in the form of a film and useful as a gas permeation element in the separation or enrichment of oxygen from or in air. The copolymer is obtained by the copolymerization of 1-trimethylsilyl-1-propyne and 1-(1',1',3',3'-tetramethyl-1',3'-disilabutyl)-1-propyne in a molar ratio of 30:70 to 95:5 and the copolymer should preferably have a number-average molecular weight of at least 1.times.10.sup.4.

    摘要翻译: 本发明提供了一种新颖的取代聚乙炔共聚物,具有优异的氧渗透系数为6×10 -8 cm 3(STP)×cm / cm 2×sec×cmHg以上,氧与氮之间的分离系数为2.0以上,高拉伸强度为200kg / cm2或更大,并且可用作气体渗透元件,用于从空气中分离或富集氧气。 该共聚物通过1-甲基甲硅烷基-1-丙炔与1-(1',1',3',3'-四甲基-1',3'-二丁基丁-1-炔)的摩尔比 30:70〜95:5,共聚物的数均分子量优选为1×10 4以上。

    Method for the preparation of an organosiloxane oligomer and a novel
organosiloxane oligomer thereby
    6.
    发明授权
    Method for the preparation of an organosiloxane oligomer and a novel organosiloxane oligomer thereby 失效
    由此制备有机硅氧烷低聚物和新型有机硅氧烷低聚物的方法

    公开(公告)号:US4727172A

    公开(公告)日:1988-02-23

    申请号:US905576

    申请日:1986-09-09

    IPC分类号: C07F7/08

    CPC分类号: C07F7/0852 C07F7/0874

    摘要: An efficient method is proposed for the preparation of an organosiloxane oligomer represented by the general formula YSi(R.sup.1).sub.n (--O--SiR.sub.3).sub.3-n, in which each of the groups denoted by R and R.sup.1 is a halogen-substituted or unsubstituted monovalent hydrocarbon group having 1 to 8 carbon atoms, Y is a hydrogen atom or a monovalent group selected from methyl, phenyl, vinyl, chloromethyl and 3-(meth)acryloxypropyl groups and n is zero, 1 or 2, by the reaction of an organosilicon halomagnesium salt of the formula R.sub.3 Si--O--MgX, in which X is a halogen atom, and an organosilane compound of the general formula YSi(R.sup.1).sub.n (Z).sub.3-n, in which Z is a halogen atom or a lower alkoxy group. In particular, tetrasiloxane compounds represented by the general formula Y.sup.1 Si[--O--Si(CH.sub.3).sub.2 (CH.sub.2 CH.sub.2 CF.sub.3)].sub.3, in which Y.sup.1 is a hydrogen atom, chloromethyl group or 3-methacryloxypropyl group, are each a novel compound not known in the prior art.

    摘要翻译: 提出了制备由通式YSi(R1)n(-O-SiR 3)3-n表示的有机硅氧烷低聚物的有效方法,其中由R和R 1表示的每个基团是卤素取代或未取代的 具有1至8个碳原子的一价烃基,Y是氢原子或选自甲基,苯基,乙烯基,氯甲基和3-(甲基)丙烯酰氧基丙基的一价基团,并且n为0,1或2,通过 其中X为卤素原子的式R3Si-O-MgX的有机硅卤镁盐和通式YSi(R1)n(Z)3-n的有机硅烷化合物,其中Z为卤素原子或低级 烷氧基。 特别地,由通式Y1Si [-O-Si(CH3)2(CH2CH2CF3)] 3表示的四硅氧烷化合物,其中Y 1为氢原子,氯甲基或3-甲基丙烯酰氧基丙基,均为未知的新化合物 现有技术

    Vinylsilyl group-containing monodisperse polymeric compound and a method
for the preparation thereof
    7.
    发明授权
    Vinylsilyl group-containing monodisperse polymeric compound and a method for the preparation thereof 失效
    含有乙烯基甲硅烷基的单分散高分子化合物及其制备方法

    公开(公告)号:US4758640A

    公开(公告)日:1988-07-19

    申请号:US861739

    申请日:1986-05-07

    CPC分类号: G03F7/0758 C08F30/08

    摘要: The invention provides a novel polymeric compound having crosslinkability by irradiation with actinic rays, e.g. ultraviolet light, and useful as a polymeric base ingredient of a negative type photoresist composition with high sensitivity and resistance against dry etching. The polymer is obtained by the anionic living polymerization of a vinylsilyl group-containing styrene derivative of the formulaCH.sub.2 .dbd.CH--C.sub.6 H.sub.4 --CH.sub.2).sub.n SiR.sub.2 --CH.dbd.CH.sub.2,in which R is a monovalent hydrocarbon group, e.g. methyl and phenyl, and n is an integer of 0 to 3, in a specific solvent in the presence of a specific polymerization initiator so that the polymerization takes place only at the styrenic vinyl groups leaving the silicon-bonded vinyl groups unpolymerized. Quite unexpectedly, the polymer has a very uniform monodisperse distribution of the molecular weight.

    摘要翻译: 本发明提供了通过用光化射线照射具有交联性的新型聚合物,例如 紫外光,并且可用作具有高灵敏度和抗干蚀刻性的负型光致抗蚀剂组合物的聚合基底成分。 该聚合物通过式CH 2 = CH-C 6 H 4 -CH 2)n SiR 2 -CH = CH 2的含乙烯基甲硅烷基的苯乙烯衍生物的阴离子活性聚合获得,其中R是一价烃基,例如, 甲基和苯基,n为0〜3的整数,在特定的溶剂中,在特定的聚合引发剂的存在下,仅在苯乙烯基的乙烯基上进行聚合,离开与硅键合的乙烯基未聚合。 非常出人意料地,聚合物具有非常均匀的单分散分子量分布。

    Method for growth acceleration of plants
    8.
    发明授权
    Method for growth acceleration of plants 失效
    植物生长加速的方法

    公开(公告)号:US4869747A

    公开(公告)日:1989-09-26

    申请号:US651599

    申请日:1984-09-17

    IPC分类号: A01N55/00 A01N55/10

    CPC分类号: A01N55/00

    摘要: A novel method for accelerating growth of a plant in agriculture and forestry is proposed in which an organosilicon compound .omega.-carboxyalkylsilicon sesquioxide, e.g. 2-carboxyethylsilicon sesquioxide, of the unit formulaHOOC(CH.sub.2).sub.n SiO.sub.1.5,in which n is a positive integer of 1 to 4, is applied to the plant directly or to the soil in which the plant is growing. The metal salts or complexes of the above compound as well as the precursor compounds thereof readily convertible to the silsesquioxide compound by hydrolysis are also effective.

    摘要翻译: 提出了一种用于加速农业和林业中植物生长的新方法,其中有机硅化合物ω-羧甲基硅氧烷倍半氧化物,例如, 其中n为1〜4的正整数的单元式HOOC(CH 2)n SiO 1.5的2-羧乙基硅氧烷倍半氧化物直接施用于植物或植物生长的土壤。 上述化合物的金属盐或络合物及其通过水解容易地转化为二氧化硅化合物的前体化合物也是有效的。

    Poly(dimethylsilmethylene) methylacetylene compound and a method for the
preparation thereof
    9.
    发明授权
    Poly(dimethylsilmethylene) methylacetylene compound and a method for the preparation thereof 失效
    聚(二甲基亚甲硅烷基)甲基乙炔化合物及其制备方法

    公开(公告)号:US4539417A

    公开(公告)日:1985-09-03

    申请号:US658597

    申请日:1984-10-09

    CPC分类号: C07F7/0809 C08G77/60

    摘要: The invention provides a novel organosilicon compound poly(dimethylsilmethylene) methylacetylene compound of the formula MeC.tbd.C--SiMe.sub.2 --CH.sub.2 --SiMe.sub.2).sub.n Me, in which Me is a methyl group and n is a positive integer of 1 to 25. The compound is synthesized by reacting a propynylmagnesium halide of the formula MeC.tbd.CMgX, in which X is a halogen atom, or (propynyl dimethylsilyl)methylmagnesium chloride of the formula MeC.tbd.C--SiMe.sub.2 --CH.sub.2 MgCl with chloromethyl dimethyl chlorosilane in the presence of metallic magnesium and hydrolyzing the reaction product. Specifically, 1-propynyl-1,1,3,3,3-pentamethyl disilmethylene, i.e. the inventive compound with n=1, is synthesized by reacting (propynyl dimethylsilyl)methylmagnesium chloride with trimethyl chlorosilane.

    摘要翻译: 本发明提供了一种新颖的有机硅化合物,具有式MeC 3BOND C-SiMe2-CH2-SiMe2)nMe的聚(二甲基亚甲硅烷基)甲基乙炔化合物,其中Me是甲基,n是1至25的正整数。该化合物被合成 通过在金属镁的存在下使式MeC 3BOND CMgX(其中X是卤素原子)的丙炔基卤化镁或式MeC 3BOND C-SiMe2-CH2MgCl的(丙炔基二甲基甲硅烷基)甲基氯化镁与氯甲基二甲基氯硅烷反应,并水解 反应产物。 具体地,1-丙炔基-1,1,3,3,3-五甲基二亚甲基,即n = 1的本发明化合物,通过(丙炔基二甲基甲硅烷基)甲基氯化镁与三甲基氯硅烷反应合成。

    Method for the preparation of a 1-alkynylsilyl compound
    10.
    发明授权
    Method for the preparation of a 1-alkynylsilyl compound 失效
    1-炔基甲硅烷基化合物的制备方法

    公开(公告)号:US4588832A

    公开(公告)日:1986-05-13

    申请号:US682267

    申请日:1984-12-17

    IPC分类号: C07F7/08

    CPC分类号: C07F7/0827

    摘要: The invention provides a novel and economical route for the synthetic preparation of a 1-alkynyl trihydrocarbyl silane compound. The method comprises the steps of reacting metallic sodium with a hydrocarbyl-substituted acetylene or allene compound to form a substituted sodium acetylide and reacting the acetylide with a trihydrocarbyl monohalogenosilane in the reaction mixture which is admixed with a polar organic solvent such as dimethylformamide.

    摘要翻译: 本发明提供了用于合成制备1-炔基三烃基硅烷化合物的新颖且经济的途径。 所述方法包括使金属钠与烃基取代的乙炔或二烯化合物反应以形成取代的乙炔化钠,并将该乙炔化物与三烃基一卤代硅烷反应在与极性有机溶剂如二甲基甲酰胺混合的反应混合物中。