POLYURETHANE COATINGS ON HOT-GALVANIZED STEEL.

被引：0
|
作者：
Wieczorrek, W.
机构：
来源：
Product Finishing (London) | 1982年 / 35卷 / 02期
关键词：
POLYURETHANES - PROTECTIVE COATINGS - Plastics;
D O I：
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中图分类号：
学科分类号：
摘要：
A study was carried out to investigate the behavior of polyurethane (PU) coatings on ″difficult″ hot-galvanized substrates. Based on the findings of this study, three systems can be recommended for the coating of hot-galvanized steel with PU paints: (1) A one-coat system with outstanding protective properties, but with limitations from the decorative point of view; (2) Two-coat systems without decorative limitations but with restrictions under severe condensation under conditions of extreme humidity and condensation; (3) One-pack zinc dust primer based on moisture-curing PU, plus a top-coat.
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页码：30 / 31
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