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    Method for the reduction of formaldehyde emissions in wood materials
    41.
    发明专利
    Method for the reduction of formaldehyde emissions in wood materials 未知

    公开(公告)号：NZ569380A

    公开(公告)日：2010-07-30

    申请号：NZ56938007

    申请日：2007-01-12

    Applicant: BASF SE

    Inventor： RUBA EVA ,  WEINKOTZ STEPHAN ,  SCHMIDT MICHAEL ,  FINKENAUER MICHAEL ,  BEIL CHRISTIAN ,  LUNKWITZ RALPH

    IPC: B27K3/52 ,  B27K3/15 ,  B27N1/00 ,  B27N7/00

    Abstract: Disclosed is a method for the reduction of the formaldehyde based emission of wood-base materials containing formaldehyde based binding agents, by application of nitrogen-containing compounds, wherein (i) a mixture which comprises at least one polyamine and, if appropriate, up to 20% by weight, based on the mixture, of urea is applied to the wood-base material; (ii) polyamine is applied on or in the particle or fiber cake; (iii) polyamine is applied to the coating substrate used for surface finishing and/or (iv) polyamine is applied to the exposed areas; the polyamines having a molecular weight of at least 500 g/mol and at least 6 primary or secondary amino groups.

    46.
    发明专利
    未知

    公开(公告)号：AT388176T

    公开(公告)日：2008-03-15

    申请号：AT05799114

    申请日：2005-10-06

    Applicant: BASF SE

    Inventor： LUNKWITZ RALPH ,  ROBERT ALAIN ,  DECHER JAKOB ,  HORSTMANN TILO ,  REIF MARTIN ,  JAECKH CHRISTOF

    IPC: C08G12/32 ,  C08K5/00 ,  C08K5/19 ,  C08L61/28

    Abstract: The invention relates to an aqueous impregnating resin solution containing (A) between 77.5 and 99.8 wt. %, in relation to the impregnating resin solution, of aqueous condensates based on melamine and formaldehyde; (B) between 0.1 and 20 wt. %, in relation to the impregnating resin solution, of at least one specific quaternary ammonium compound; and (C) between 0.1 and 2.5 wt. %, in relation to the impregnating resin solution, of an aqueous hardener solution. The invention also relates to an aqueous impregnating resin solution consisting of constituents (A) and (B), and to an aqueous hardener mixture consisting of constituents (B) and (C). The invention further relates to an impregnating resin film containing fibrous substances containing cellulose and impregnated with the aqueous impregnating resin solution, and to the use of the aqueous impregnating resin solution, or impregnating resin film, for the antistatic finishing of coated materials.

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