Ultraviolet irradiation of melamine containing clearcoats for improved acid etch resistance

被引：11
作者：
Lamers, PH
Johnston, BK
Tyger, WH
机构：
[1] PPG Industries, Inc., Allison Park, PA 15101
来源：
POLYMER DEGRADATION AND STABILITY | 1997年 / 55卷 / 03期
关键词：
D O I：
10.1016/S0141-3910(96)00133-4
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The acid etch and water spot resistance of conventional acrylic/melamine and polyester/melamine automotive clearcoats are significantly improved by ambient air ultraviolet irradiation of freshly cured coatings. Infrared and NMR analysis of cured films and model compounds indicate that surface photochemical oxidation of the melamine NR-CH2-OR linkage to a urethane NR-CO2-R occurs in the coating under these irradiation conditions. (C) 1997 Elsevier Science Limited.
引用
收藏
页码：309 / 322
页数：14
相关论文
共 21 条
[1]  
[Anonymous], 1992, U.S. Patent, Patent No. [5, 106, 651, 5106651]
[2]   DEGRADATION OF ORGANIC COATINGS .1. HYDROLYSIS OF MELAMINE FORMALDEHYDE ACRYLIC CO-POLYMER FILMS [J].
BAUER, DR .
JOURNAL OF APPLIED POLYMER SCIENCE, 1982, 27 (10) :3651-3662
[3]   MELAMINE FORMALDEHYDE CROSS-LINKER - CHARACTERIZATION, NETWORK FORMATION AND CROSS-LINK DEGRADATION [J].
BAUER, DR .
PROGRESS IN ORGANIC COATINGS, 1986, 14 (03) :193-218
[4]  
BAUER DR, 1984, ACS SYM SER, P271
[5]   A NEW TECHNIQUE FOR THE STUDY OF REACTIVE SPECIES GENERATED DURING THE INITIAL-STAGES OF POLYMER PHOTODEGRADATION [J].
BINNS, MR ;
LUKEY, CA ;
HILL, DJT ;
ODONNELL, JH ;
POMERY, PJ .
POLYMER BULLETIN, 1992, 27 (04) :421-424
[6]  
COWAN DO, 1978, ELEMENTS PHOTOCHEMIS, P50
[7]  
COWAN DO, 1978, ELEMENTS PHOTOCHEMIS, P230
[8]  
Denny R. W., 1973, ORG REACTIONS, V20, P133, DOI DOI 10.1002/0471264180.0R020.02
[9]  
ENGLISH AD, 1984, J COATING TECHNOL, V56, P43
[10]   FORMALDEHYDE RELEASE FROM ACRYLIC MELAMINE COATINGS DURING PHOTOLYSIS AND THE MECHANISM OF PHOTOENHANCED CROSS-LINK HYDROLYSIS [J].
GERLOCK, JL ;
DEAN, MJ ;
KORNISKI, TJ ;
BAUER, DR .
INDUSTRIAL & ENGINEERING CHEMISTRY PRODUCT RESEARCH AND DEVELOPMENT, 1986, 25 (03) :449-453
123