TWO-COMPONENT COATING COMPOUNDS
    12.
    发明专利

    公开(公告)号:ZA201802686B

    公开(公告)日:2019-07-31

    申请号:ZA201802686

    申请日:2018-04-23

    Applicant: BASF SE

    Abstract: Two-component coating compounds containing a water-dispersible polyisocyanate component, containing: a) at least one polyisocyanate; and b) at least one reaction product of at least one polyisocyanate b1) with compounds b2) having at least one hydrophilic group (group A) which does not react with isocyanate and at least one reactive group (group B) which reacts with isocyanate; and a polyacrylate component containing an aqueous polymer dispersion c) of at least one hydroxy-functional poly(meth)acrylate with bimodal or higher modal particle size distribution.

    USE OF SYNTHETIC ADHESIVES FOR PRODUCING CORRUGATED CARDBOARD

    公开(公告)号:CA2794340A1

    公开(公告)日:2011-10-13

    申请号:CA2794340

    申请日:2011-04-07

    Applicant: BASF SE

    Abstract: The invention relates to the use of synthetic adhesives for producing corrugated cardboard at relatively low temperatures and high web speeds. The corrugated cardboard comprises a corrugated paper web and a smooth cover web, and the corrugation of the corrugated paper web is generated at paper temperatures lower than 95ºC and at a web speed greater than 150 m/min. Immediately after the corrugation of the corrugated paper web has been generated, a preferably unheated corrugation adhesive is applied in a continuous process and the corrugated paper web is glued to the at least one first cover web. The corrugation adhesive used is an aqueous adhesive dispersion on the basis of at least one synthetic, dispersed polymer having preferably a solids content of more than 40 wt %, selected from acrylate copolymers, copolymers from vinylaromatic compounds and conjugated aliphatic dienes and vinyl acetate/alkylene copolymers, wherein the glass transition temperatures of the polymers are higher than 20ºC and below the surface temperature of the corrugated paper web (preferably by at least 50ºC) to which they are applied.

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