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    Water-thinnable two-component coating preparation, a process for its preparation, and its use
    1.
    发明专利
    Water-thinnable two-component coating preparation, a process for its preparation, and its use 未知

    公开(公告)号：AU658057B2

    公开(公告)日：1995-03-30

    申请号：AU3540993

    申请日：1993-03-24

    Applicant: HOECHST AG

    Inventor： SCHWAB MICHAEL ,  FRANK UDO ,  WALZ GERD

    IPC: C09D175/04 ,  C08G18/08 ,  C08G18/10 ,  C08G18/12 ,  C09D5/34 ,  C09D175/00 ,  D21H19/00

    Abstract: A water-dilutable (water-thinnable) two-component coating composition containing a) a polyisocyanate component comprising one or more organic polyisocyanates, and b) a polyurethane resin prepared by 1. reacting (A) polyisocyanates with (B) polyols having a mean molecular weight Mn of at least 400, (C) optionally low-molecular-weight polyols and (D) compounds containing at least two groups which are reactive towards isocyanate groups and at least one group which is capable of anion formation, to give a prepolymer containing free NCO groups, and 2. reacting the prepolymer formed in step 1 with at least one of the components: (E) low-molecular-weight polyols carrying no further groups which are reactive towards isocyanate groups, these compounds being employed in excess, (F) compounds which are monofunctional or contain active hydrogen of different reactivity and are different from (E), and optionally (G) compounds which are different from (B), (C), (D), (E) and (F) and contain at least two groups which are reactive with NCO groups. r

    WATER-SOLUBLE TWO-COMPONENT COATING COMPOSITIONS, PROCESS OF THEIR PREPARATION AND THEIR USE
    2.
    发明专利
    WATER-SOLUBLE TWO-COMPONENT COATING COMPOSITIONS, PROCESS OF THEIR PREPARATION AND THEIR USE 未知

    公开(公告)号：CZ40893A3

    公开(公告)日：1993-12-15

    申请号：CZ40893

    申请日：1993-03-12

    Applicant: HOECHST AG

    Inventor： SCHWAB MICHAEL ,  FRANK UDO ,  WALZ GERD

    IPC: C09D175/04 ,  C08G18/08 ,  C08G18/10 ,  C08G18/12 ,  C09D5/34 ,  C09D175/00 ,  D21H19/00

    Abstract: A water-dilutable (water-thinnable) two-component coating composition containing a) a polyisocyanate component comprising one or more organic polyisocyanates, and b) a polyurethane resin prepared by 1. reacting (A) polyisocyanates with (B) polyols having a mean molecular weight Mn of at least 400, (C) optionally low-molecular-weight polyols and (D) compounds containing at least two groups which are reactive towards isocyanate groups and at least one group which is capable of anion formation, to give a prepolymer containing free NCO groups, and 2. reacting the prepolymer formed in step 1 with at least one of the components: (E) low-molecular-weight polyols carrying no further groups which are reactive towards isocyanate groups, these compounds being employed in excess, (F) compounds which are monofunctional or contain active hydrogen of different reactivity and are different from (E), and optionally (G) compounds which are different from (B), (C), (D), (E) and (F) and contain at least two groups which are reactive with NCO groups. r

    6.
    发明专利
    未知

    公开(公告)号：NO308955B1

    公开(公告)日：2000-11-20

    申请号：NO931090

    申请日：1993-03-24

    Applicant: HOECHST AG

    Inventor： SCHWAB MICHAEL ,  FRANK UDO ,  WALZ GERD

    IPC: C09D175/04 ,  C08G18/08 ,  C08G18/10 ,  C08G18/12 ,  C09D5/34 ,  C09D175/00 ,  D21H19/00

    Abstract: A water-dilutable (water-thinnable) two-component coating composition containing a) a polyisocyanate component comprising one or more organic polyisocyanates, and b) a polyurethane resin prepared by 1. reacting (A) polyisocyanates with (B) polyols having a mean molecular weight Mn of at least 400, (C) optionally low-molecular-weight polyols and (D) compounds containing at least two groups which are reactive towards isocyanate groups and at least one group which is capable of anion formation, to give a prepolymer containing free NCO groups, and 2. reacting the prepolymer formed in step 1 with at least one of the components: (E) low-molecular-weight polyols carrying no further groups which are reactive towards isocyanate groups, these compounds being employed in excess, (F) compounds which are monofunctional or contain active hydrogen of different reactivity and are different from (E), and optionally (G) compounds which are different from (B), (C), (D), (E) and (F) and contain at least two groups which are reactive with NCO groups. r

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