SILOXANE QUATERNARY AMMONIUM SALT PREPARATION

    公开(公告)号:GB2107725B

    公开(公告)日:1985-02-27

    申请号:GB8226059

    申请日:1982-09-13

    Applicant: DOW CORNING

    Inventor: WESTALL STEPHEN

    Abstract: Process for the preparation of organosiloxane polymers wherein there are reacted together (A) a silanol-terminated polydiorganosiloxane in which at least 50% of the organic substituents are methyl, and (B) a quaternary ammonium silane RR'2Si-Q-N+X2YZ31 wherein R' represents an alkoxy or alkoxyalkoxy group, R represents alkyl, phenyl, vinyl or a group as defined for R', Q represents a divalent group, X represents alkyl, aryl, aralkyl or alkaryl, Y represents a monovalent hydrocarbon group or the group (-OM)aOD, wherein M represents an alkylene group having 2 or 3 carbon atoms, a has a value of from 1 to 20 and D represents H, alkyl or acyl, and Z is a halogen atom. The organosiloxane polymers can be crosslinked and are useful for the treatment of textiles.

    POLYSILOXANES USEFUL AS INSECT REPELLANTS

    公开(公告)号:CA1141772A

    公开(公告)日:1983-02-22

    申请号:CA329497

    申请日:1979-06-11

    Applicant: DOW CORNING

    Inventor: WESTALL STEPHEN

    Abstract: Siloxanes having units containing the grouping (XOQO) Si? in which X represents hydrogen or a chemical bond linking the adjacent oxygen atom to the silicon atom of a silyl or siloxy group and Q represents or They are prepared by reacting a siloxane with 2-butyl-2-ethyl propane-1,3-diol or 2-ethylhexane-1,3-diol and are useful for imparting insect repellent properties to surfaces.

    PROCESS FOR THE PRODUCTION OF ORGANOSILICON COMPOUNDS

    公开(公告)号:CA2009278C

    公开(公告)日:1998-08-25

    申请号:CA2009278

    申请日:1990-02-05

    Applicant: DOW CORNING

    Abstract: A process for the production of an organosilicon condensation product which comprises contacting (A) at least one organosilicon compound having in the molecule at least one silicon-bonded hydroxyl group, the organic substituents being selected from monovalent hydrocarbon groups having from 1 to 14 carbon atoms and monovalent substituted hydrocarbon groups having from 1 to 10 carbon atoms in which the substituents are selected from amino, halogen, mercapto, hydroxyl, amido and ester, with (B) a hydroxide selected from the group consisting of magnesium, calcium, strontium and barium hydroxides.

    POLYORGANOSILOXANE-POLYOXYALKYLENE COPOLYMERS

    公开(公告)号:CA1273738A

    公开(公告)日:1990-09-04

    申请号:CA514449

    申请日:1986-07-23

    Applicant: DOW CORNING

    Inventor: WESTALL STEPHEN

    Abstract: A method for preparing polyorganosiloxane-polyoxyalkylene copolymers having polyoxyalkylene groups linked to Si atoms of the siloxane backbone via Si-O-C bonds and having at least one hydrolysable group linked to a different Si atom, comprises reacting a hydrosiloxane with less than the stoichiometric amount of a monoether of a polyoxyalkylene glycol and subsequently with a silane having olefinic unsaturation and a hydrolysable group. These copolymers may be used e.g. for treating textiles from aqueous or alcoholic solutions. They give a substantive effect, good soil release and a good handle.

    PROCESS FOR PRODUCING ORGANOSILICON PRODUCTS

    公开(公告)号:AU4916990A

    公开(公告)日:1990-08-16

    申请号:AU4916990

    申请日:1990-02-08

    Abstract: A process for the preparation of an organosilicon condensation product which comprises reacting together at a temperature of at least 50 DEG C (A) an organosilicon compound having in the molecule at least one silicon-bonded hydroxyl group and (B) an organosilicon compound having in the molecule at least one silicon-bonded -OX group, in which X represents an alkyl group having from 1 to 8 carbon atoms or an alkoxyalkyl group having from 2 to 8 carbon atoms, in the presence of a catalytic substance which is selected from strontium hydroxide and barium hydroxide.

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