Acrylic coatings compositions containing polymer-bound hindered amine light stabilizers
Conference
·
OSTI ID:141844
- Atochem North America, Buffalo, NY (United States)
Unique acrylic coatings resins with attached hindered amine light stabilizer (HALS) groups have been developed. They are readily prepared by reacting a hydrazide functionalized HALS with an acrylic polyol resin containing anhydride and/or epoxy groups or with a peroxide functionalized HALS as the polymerization initiator. As a result, the HALS moiety is rendered nonvolatile and nonextractable. Acrylic melamine and acrylic urethane coatings prepared from the polymer-bound light stabilizer resins exhibit outstanding weatherability and durability in both accelerated and outdoor weathering.
- OSTI ID:
- 141844
- Report Number(s):
- CONF-930304--
- Country of Publication:
- United States
- Language:
- English
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