COMPOSICION DE REVESTIMIENTO AL AGUA AUTO RETICULABLE.

    公开(公告)号:ES2322994T3

    公开(公告)日:2009-07-03

    申请号:ES03759354

    申请日:2003-09-18

    Abstract: Una composición, que comprende: un polímero látex de adición de vinilo que tiene un primer grupo funcional reticulable; una dispersión de poliuretano que tiene un segundo grupo final funcional reticulable que comprende un grupo acetoacetoxilo, diacetona, amina o hidrazida o sus combinaciones; y un agente reticulante opcional, en la que la composición está en la forma de una composición de revestimiento al agua, y en la que el primer grupo funcional reticulable del polímero látex de adición de vinilo y el segundo grupo final funcional reticulable de la dispersión de poliuretano auto reticulan a baja temperatura después de coalescencia.

    27.
    发明专利
    未知

    公开(公告)号:BR0313902A

    公开(公告)日:2005-07-19

    申请号:BR0313902

    申请日:2003-09-18

    Abstract: The present invention provides a crosslinkable waterborne coating composition useful for providing protective coating to wood and other substrates. The coating composition includes a vinyl addition latex polymer having a first crosslinkable functional group and a polyurethane dispersion having a second crosslinkable functional end group. The coating composition is preferably essentially formaldehyde free.

    NON-BLOOMING LOW FORMALDEHYDE COATING COMPOSITION

    公开(公告)号:CA2788861A1

    公开(公告)日:2011-09-15

    申请号:CA2788861

    申请日:2011-03-08

    Inventor: WU SHAOBING

    Abstract: Blooming may be reduced or eliminated in a low formaldehyde amino resin-crosslinkable coating composition by including in the composition, in addition to the ingredients necessary to form a crosslinked coating, an anti-blooming agent containing one or more of (i) an acid-functional polymer, (ii) ethylene glycol, propylene glycol or an ethylene glycol or propylene glycol polymer or copolymer, or (iii) for compositions containing the acidic catalyst p-toluene sulfonic acid (PTSA), a further acidic cure catalyst having greater hydrophobicity than PTSA. The anti-blooming agent has particular value in amino resin-crosslinkable alkyd resin formulations, but may be used in amino resin-crosslinkable coating compositions based on other film-forming polymers bearing amino resin-reactive functional groups including appropriately functionalized acrylic, polyester, vinyl and cellulose acetate butyrate (CAB) resins and nitrocellulose lacquers.

    30.
    发明专利
    未知

    公开(公告)号:BRPI0708003A2

    公开(公告)日:2011-05-17

    申请号:BRPI0708003

    申请日:2007-01-30

    Abstract: An aqueous coating composition containing (i) a polymer having one or more acetoacetyl-functional groups; and (ii) an acid-functional polymer, which may be the same as or distinct from the polymer comprising acetoacetyl-functional groups, wherein a nitrogen-free base has been used to neutralize or partially neutralize the acid-functionality on the polymer.

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