| 摘要 |
<p>A PACK CONTAINS COMPONENTS A AND B WHEREIN COMPONENT A CONTAINS AI) A SOLUTION OR DISPERSION COMPRISING A POLYMER CONTAINING UNITS HAVING HYDROXYL GROUPS AND @AII) A POLYMER CONTAINING UNITS HAVING CARBOXYL GROUPS; @COMPONENT B COMPRISES BI) A POLYFUNCTIONAL CROSSLINKER CAPABLE OF CROSSLINKING WITH AT LEAST ONE CARBOXYL GROUP AND AT LEAST ONE HYDROXYL GROUP. THE COMPONENTS A AND B MAY PROVIDE AN ADHESIVE, ESPECIALLY FOR WOOD SUBSTRATES. THE COMPONENTS A AND B MAY ALSO BE USED TO FORM PROTECTIVE COATINGS ON WOOD SUBSTRATES. EXAMPLE COMPONENTS AI) INCLUDE SOLUTIONS OF POLYVINYL ALCOHOL, OR DISPERSIONS OF OTHER POLYMERS SUCH AS POLYVINYLACETATE/ETHYLENEVINYLACETATE IN POLYVINYLALCOHOL. SUITABLE COMPONENTS AII) INCLUDE CARBOXYLATED STYRENE BUTADIENE RUBBER LATEX. THE COMPONENT A MAY ALSO INCLUDE FILLER MATERIALS, FOR EXAMPLE TO IMPROVE WATER RESISTANCE. THE CROSSLINKER MAY BE A POLYFUNCTIONAL AZIRIDINE SUCH AS ONE OF THE FORMULA</p> |
