Select metal salts of mono and di aromatic sulfonic acids and aliphatic sulfonic acids are effective latent acid catalysts in coating compositions capable of acid catalyzed crosslinking and provide coating compositions with lower cure temperature and quicker cure times than encountered with conventional sulfonic acid catalysts, have excellent storage stability and avoid drawbacks of epoxy and amine blocked sulfonic acid catalysts.
选用单芳基
磺酸和双芳基
磺酸以及脂肪族
磺酸的
金属盐作为潜在酸催化剂,可以在涂料配方中发挥酸催化交联作用,提供比传统
磺酸催化剂更低的固化温度和更快的固化时间,具有良好的储存稳定性,并避免环氧和胺阻化
磺酸催化剂的缺点。