Adhesive of hot melting coating for laminated steel process and preparation method thereof

Adhesive of hot melting coating for laminated steel process and preparation method thereof

  • CN 102,766,430 A
  • Filed: 08/03/2012
  • Published: 11/07/2012
  • Est. Priority Date: 08/03/2012
  • Status: Active Grant
First Claim
Patent Images

1. a multiple film iron process is used the hot melt coating tackiness agent;

  • It is characterized in that this tackiness agent is with polyester polyol, 4,4 '"'"'-diphenylmethanediisocyanate, 2;

    2-two propane or 4-hydroxy phenyl propane, organic solvent, bisphenol A type epoxy resin and silane coupling agent are raw material;

    With tetra-n-butyl titanate and triethylamine is mixed catalyst, and the synthetic solid content is 25%~

    35% after the each component hybrid reaction, viscosity is 300mPas~

    500mPas, and hydroxyl value is the tackiness agent of 10~

    20mgKOH/g;

    Said polyester polyol is to be raw material with terephthalic acid, m-phthalic acid, hexanodioic acid, NSC 6366, terepthaloyl moietie and Diethylene Glycol;

    With stannous octoate or tetra-n-butyl titanate is catalyzer;

    With the triphenyl phosphite is inhibitor, the polyester polyol that each component is processed after an esterification, polycondensation.

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