BE616106A - Compositions d'acryloxyalcoylsilane et la fabrication d'articles à base de ces compositions - Google Patents

Compositions d'acryloxyalcoylsilane et la fabrication d'articles à base de ces compositions

Info

Publication number
BE616106A
BE616106A BE616106A BE616106A BE616106A BE 616106 A BE616106 A BE 616106A BE 616106 A BE616106 A BE 616106A BE 616106 A BE616106 A BE 616106A BE 616106 A BE616106 A BE 616106A
Authority
BE
Belgium
Prior art keywords
compositions
acryloxyalkylsilane
manufacture
articles based
articles
Prior art date
Application number
BE616106A
Other languages
English (en)
Inventor
Harold A Clark
Edwin P Plueddemann
Original Assignee
Dow Corning
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Corning filed Critical Dow Corning
Publication of BE616106A publication Critical patent/BE616106A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/40—Organo-silicon compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • C08J5/08—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials glass fibres
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/356—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
    • D06M15/3568—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms containing silicon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/06—Unsaturated polyesters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S273/00—Amusement devices: games
    • Y10S273/29—Silicone
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing
    • Y10T428/31612—As silicone, silane or siloxane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3472—Woven fabric including an additional woven fabric layer
    • Y10T442/3602—Three or more distinct layers
    • Y10T442/3667—Composite consisting of at least two woven fabrics bonded by an interposed adhesive layer [but not two woven fabrics bonded together by an impregnation which penetrates through the thickness of at least one of the woven fabric layers]
    • Y10T442/3691—Fabric layer contains glass strand material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
BE616106A 1961-04-07 1962-04-06 Compositions d'acryloxyalcoylsilane et la fabrication d'articles à base de ces compositions BE616106A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10138361A 1961-04-07 1961-04-07
US12688561 US3317369A (en) 1961-04-07 1961-07-26 Acryloxyalkylsilane compositions and the fabrication of structures therewith

Publications (1)

Publication Number Publication Date
BE616106A true BE616106A (fr) 1962-10-08

Family

ID=26798182

Family Applications (1)

Application Number Title Priority Date Filing Date
BE616106A BE616106A (fr) 1961-04-07 1962-04-06 Compositions d'acryloxyalcoylsilane et la fabrication d'articles à base de ces compositions

Country Status (6)

Country Link
US (1) US3317369A (fr)
BE (1) BE616106A (fr)
CH (2) CH403176A (fr)
FR (1) FR1324442A (fr)
GB (1) GB954574A (fr)
NL (1) NL124384C (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3377371A (en) * 1964-09-03 1968-04-09 Dow Corning Tris-siloxy acrylic silanes
US3398017A (en) * 1964-09-14 1968-08-20 Dow Corning Water repellent treatment
US3427337A (en) * 1965-01-06 1969-02-11 Monsanto Co Substituted silylalkyl acrylates
DE1236504B (de) * 1965-06-26 1967-03-16 Bayer Ag Verfahren zur Herstellung von Methyl-(acyloxymethyl)-acyloxysiliciumverbindungen
US3542639A (en) * 1967-01-26 1970-11-24 Lord Corp Rubber-to-metal adhesive and its use
US3509087A (en) * 1967-07-12 1970-04-28 M & T Chemicals Inc Ink composition
US3702783A (en) * 1970-09-04 1972-11-14 Robert C Hartlein Epoxy silane coupling agents
US3759968A (en) * 1971-05-17 1973-09-18 Gen Electric Silyl maleates and polysiloxane maleates
US3700714A (en) * 1971-06-24 1972-10-24 Stephen B Hamilton Curable compositions
US3867322A (en) * 1971-06-29 1975-02-18 Ciba Geigy Corp Epoxysilane additives for epoxide resin adhesives
BR7501362A (pt) * 1974-03-09 1976-11-30 Sekisui Chemical Co Ltd Estrutura de vidro laminada intercamada para estrutura de vidro laminada e processo para preparar uma estrutura de vidro laminada
US4093673A (en) * 1974-11-14 1978-06-06 Ppg Industries, Inc. Coating compositions composed of hydroxyfunctional polymers or copolymers and alkoxysilanes
US4043953A (en) * 1975-05-02 1977-08-23 Ppg Industries, Inc. Ambient temperature, moisture-curable acrylic-silane coating compositions having improved potlife
US4147685A (en) * 1977-01-28 1979-04-03 General Electric Company Primer compositions for adhering silicone compositions
US4177301A (en) * 1977-01-28 1979-12-04 General Electric Company Primer compositions for adhering silicone compositions
US4143057A (en) * 1977-02-28 1979-03-06 Union Carbide Corporation Coordination complexes as catalysts
US4243718A (en) * 1978-11-24 1981-01-06 Toshiba Silicone Co. Ltd. Primer compositions for Si-H-olefin platinum catalyzed silicone compositions
JPS57159865A (en) * 1981-03-27 1982-10-02 Toray Silicone Co Ltd Primer composition for bonding
DE3209755A1 (de) * 1982-03-17 1983-09-22 Wacker-Chemie GmbH, 8000 München Verfahren zum verstaerken des haftens von organopolysiloxanelastomeren
GB8410480D0 (en) * 1984-04-24 1984-05-31 Bp Chem Int Ltd Preparation of polymer polyols
JPS62294690A (ja) * 1986-06-13 1987-12-22 Agency Of Ind Science & Technol 新規ケイ素含有不飽和エステル化合物
US4711820A (en) * 1986-06-17 1987-12-08 Petrarch Systems Inc. Method of siliconization of surfaces with lower alkyl silanes
JPS63179881A (ja) * 1987-01-19 1988-07-23 Shin Etsu Chem Co Ltd 有機けい素化合物
US4912239A (en) * 1987-11-13 1990-03-27 Dow Corning Corporation Method for stabilizing unsaturated organosilicone compositions
JP2701103B2 (ja) * 1992-02-28 1998-01-21 信越化学工業株式会社 含フッ素有機ケイ素化合物及びその製造方法
US5607994A (en) * 1994-02-28 1997-03-04 E. I. Du Pont De Nemours And Company Processibility and lacing resistance when silanized pigments are incorporated in polymers
US7465764B2 (en) * 2004-06-18 2008-12-16 Ocv Intellectual Captial, Llc Epoxy sizing composition for filament winding
US8129018B2 (en) * 2004-06-18 2012-03-06 Ocv Intellectual Capital, Llc Sizing for high performance glass fibers and composite materials incorporating same
DE102007038313A1 (de) * 2007-08-14 2009-02-19 Evonik Degussa Gmbh Anorganisch-modifizierte Polyesterbindemittelzubereitung, Verfahren zur Herstellung und ihre Verwendung
EP2540683A1 (fr) * 2011-06-28 2013-01-02 3B-Fibreglass SPRL Composition d'ensimage pour des fibres de verre
KR101369381B1 (ko) * 2011-11-04 2014-03-06 에스케이이노베이션 주식회사 함불소 화합물을 포함하는 저굴절 코팅 조성물, 이를 이용한 반사방지 필름, 이를 포함하는 편광판 및 표시장치
JP6909671B2 (ja) * 2017-03-31 2021-07-28 信越化学工業株式会社 電子線固着用繊維処理剤

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2851439A (en) * 1958-09-09 Siloxane borate compositions
BE464376A (fr) * 1943-10-11 1900-01-01
US2403872A (en) * 1943-10-30 1946-07-09 Owens Corning Fiberglass Corp Treatment of glass fibers
CA473440A (fr) * 1945-11-13 1951-05-08 Fiberglass Canada Limited Corps composes de fibres de verre et de resines
US2799598A (en) * 1951-08-17 1957-07-16 Owens Corning Fiberglass Corp Process of forming coated twisted yarns and woven fabrics and resultant article
BE517856A (fr) * 1952-02-23 1900-01-01
US2723210A (en) * 1952-10-02 1955-11-08 Owens Corning Fiberglass Corp Method of treating glass fibers with an ammonium hydroxide solution containing a silane unsaturated
US2780909A (en) * 1953-03-24 1957-02-12 Owens Corning Fiberglass Corp Method of forming yarns from staple glass fibers
US2798020A (en) * 1953-06-23 1957-07-02 Lof Glass Fibers Co Method of making a glass fiber reinforced resinous product
US2842521A (en) * 1953-12-05 1958-07-08 Wacker Chemie Gmbh Alkoxy alkyl siloxane and a boric acid hydroxy compound mixture
US3002857A (en) * 1955-11-14 1961-10-03 Owens Corning Fiberglass Corp High temperature inorganic binder and products produced with same
BE553159A (fr) * 1955-12-05
US2951782A (en) * 1956-01-03 1960-09-06 Pittsburgh Plate Glass Co Glass fiber treatment
US2974062A (en) * 1956-02-14 1961-03-07 Owens Corning Fiberglass Corp Epoxy-glass fiber systems and method for improving the bonding relation therebetween
US2885393A (en) * 1956-02-24 1959-05-05 R K Laros Company Dextran-iron complex and process for making same
US2956044A (en) * 1956-08-06 1960-10-11 Dow Corning Acryloxymethylsilicon polymers
US2931739A (en) * 1956-10-08 1960-04-05 Owens Corning Fiberglass Corp Plastics and laminates formed of glass fibers and epoxy resins
US2951772A (en) * 1956-12-10 1960-09-06 Owens Corning Fiberglass Corp Treatments for fibrous glass used to reinforce resins
US2922806A (en) * 1957-02-01 1960-01-26 Dow Corning Preparation of acryloxyalkyl substituted siloxanes
US2958114A (en) * 1957-05-23 1960-11-01 Owens Corning Fiberglass Corp Glass fiber yarns and compositions used in the manufacture of same
US2946701A (en) * 1957-11-12 1960-07-26 Dow Corning Method of treating glass with epoxysilanes and their epoxy-amine adducts, and the articles made thereby
US2994619A (en) * 1958-08-01 1961-08-01 Pittsburgh Plate Glass Co Method of treating glass fibers with a size comprising an alkenyl triacyloxy silane and a synthetic latex, and glass fibers so treated

Also Published As

Publication number Publication date
US3317369A (en) 1967-05-02
NL124384C (fr) 1968-06-17
NL276906A (fr) 1964-10-26
FR1324442A (fr) 1963-04-19
CH403176A (de) 1966-06-15
DE1519076A1 (de) 1970-02-26
DE1519076B2 (de) 1976-03-25
CH424562A4 (fr) 1965-07-15
GB954574A (en) 1964-04-08
CH520575A (de) 1972-03-31

Similar Documents

Publication Publication Date Title
BE616106A (fr) Compositions d'acryloxyalcoylsilane et la fabrication d'articles à base de ces compositions
BE616598A (fr) Compositions de moulage améliorées à base d'organo-silicium.
FR1313216A (fr) Perfectionnements à la fabrication d'éléments en béton
FR1293628A (fr) Perfectionnements à la préparation d'articles cellulaires synthétiques
FR1319178A (fr) Perfectionnements à la fabrication de polymères d'oxyméthylène
FR1305488A (fr) Perfectionnement à la fabrication d'antimoine pur
FR1296647A (fr) Perfectionnements à la fabrication d'esters lourds
FR1223410A (fr) Compositions de moulage et d'applications similaires, à base d'esters glycidiques
FR1411786A (fr) Compositions à base de polyuréthanes, préparation et applications de ces compositions et articles fabriqués à l'aide de ces compositions
FR1316312A (fr) Mélanges de polypropylène et de polymères de l'éthylène et compositions à base de ceux-ci
FR1336081A (fr) Perfectionnement à la fabrication d'alkylphénols
FR1505310A (fr) Fabrication de nouvelles compositions d'antigènes
FR1323860A (fr) Perfectionnements à la fabrication des compositions d'engrais
FR1350892A (fr) Compositions résineuses à base d'interpolymères amidiques
BE617507A (fr) Perfectionnements à la fabrication d'abatjour
FR1337614A (fr) Perfectionnements à la fabrication d'articles en polymères d'acrylonitrile
FR1309029A (fr) Perfectionnements à la fabrication d'articles non tissés
FR1332875A (fr) Perfectionnements à la fabrication d'articles moulés
FR1308764A (fr) Perfectionnement à la fabrication des 2-2'-dihydroxydiphényles
FR1280118A (fr) Perfectionnements à la préparation d'articles cellulaires souples
FR1271131A (fr) Perfectionnements apportés à la fabrication d'articles en matériaux agglomérés
BE617384A (fr) Compositions antiphlogistiques à base de 1,2-benzisothiazolones et procédés de préparation de ces 1,2-benzisothiazolones
FR1303548A (fr) Perfectionnements à la fabrication d'articles métalliques comportant des trous
FR1183212A (fr) Compositions à base de résine d'époxy-éther et de polyméthoxy-acétal
FR1246770A (fr) Compositions à base d'organosilicium