4.
    发明专利
    未知

    公开(公告)号:FR2504542A1

    公开(公告)日:1982-10-29

    申请号:FR8206845

    申请日:1982-04-21

    Applicant: BASF AG

    Abstract: Aqueous amino adhesive resins having a low tendency to eliminate formaldehyde and good adhesive strength are obtained by mixing a urea-formaldehyde condensate having an F:U molar ratio of about 1 and a small amount of a melamine-formaldehyde condensate having and F:M molar ratio of about 3 at room temperature.

Patent Agency Ranking