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    Method of pigmenting glass cloth with silanes
    3.
    发明授权
    Method of pigmenting glass cloth with silanes 失效
    用硅烷着色玻璃布的方法

    公开(公告)号：US3240741A

    公开(公告)日：1966-03-15

    申请号：US23451662

    申请日：1962-10-31

    Applicant: DOW CORNING

    Inventor： CAMPBELL JAMES K

    IPC: C03C25/10 ,  D06P1/44

    CPC classification number: D06P1/44 ,  C03C25/475

    Abstract: Glass fibres are coloured by treating them with an aqueous liquor containing (a) a pigment, (b) an anionic or non-ionic emulsifying agent, (c) an organosilicon compound selected from (1) silanes and acetate salts thereof of the formula (RO)3SiR1Zy where R1 is a hydrocarbon radical of less then 19 C atoms having a valency y + 1, y is 1 or 2, Z is a monovalent radical attached to R1 by a C-N bond composed of C and H atoms and at least two amine groups and R is a 1-4 C alkyl radical, in combination with an acrylic, styrene-butadiene or polyvinyl butyral resin latex binder, (2) alkyl acrylate or methacrylate salts of silanes of the formula wherein each Y is a monovalent hydrocarbon of 1-18 C atoms or alkoxy radical or H, each R11 is H or a 1-5 C alkyl radical at least one R11 being H, x is 1-11, y is 1 or 2, R1 is a 1-18 C hydrocarbon radical of valency y + 1 and n is 1 or 2, and partial hydrolysates thereof and (3) a mixture of (2) with at least one of the aforementioned resin latices. The preferred silanes (1) are (CH3O) 3SiCH2CH2NHCH2CH2-NH2 and acetate salts thereof. The preferred acrylate salts (2) contain the groups where Y is an alkyl radical or the corresponding methacrylate derivative. The aqueous pigment liquor may be applied by running the fabric through it, dipping, flowing or spraying. The treated fabric is dried in warm air fixed by heating at 100-350 DEG C. The pigmented fabric may be after-treated with fluorocarbon oleophobic agents or hydrophobic agents, e.g. siloxanes or werner chrome complexes of myristic acid. Examples are given and a number of pigments are listed.

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