AN ESCA INVESTIGATION OF THE SURFACE PHOTOOXIDATION OF STYRENE 2-(2-HYDROXY-3-VINYL-5-METHYLPHENYL)-BENZOTRIAZOLE COPOLYMERS

被引:10
作者
MUNRO, HS [1 ]
BANKS, J [1 ]
BOTTINO, FA [1 ]
POLLICINO, A [1 ]
RECCA, A [1 ]
机构
[1] UNIV CATANIA,FAC ENGN,INST CHEM,I-95125 CATANIA,ITALY
关键词
POLYMERS; -; Stabilizers; POLYSTYRENES; Additives; SURFACES; Stability;
D O I
10.1016/0141-3910(87)90104-2
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 surface photooxidation of Styrene/2-(2-Hydroxy-3-Vinyl-5-Methylphenyl)-Benzotriazole copolymers ( lambda greater than 300 nm) has been monitored by ESCA. The rate of oxygen uptake is shown to be dependent on the concentration of HVB in the surface. At concentrations less than 1% the rate appears to be very similar to that of unstabilized polystyrene and polystyrene stabilized with hydroxy-methylphenyl-benzotriazole as a 0. 5% additive. The data indicate that HVB is not capable of photostabilizing the surface. Transmission ir data suggest that the bulk material is photostabilized.
引用
收藏
页码:185 / 190
页数:6
相关论文
共 5 条
[1]   SOME SURFACE ASPECTS OF THE PHOTO-OXIDATION OF POLYSTYRENE FILMS AS REVEALED BY ESCA .1. IRRADIATIONS IN OXYGEN [J].
CLARK, DT ;
MUNRO, HS .
POLYMER DEGRADATION AND STABILITY, 1984, 8 (04) :213-227
[2]   WAVELENGTH DEPENDENCE OF THE SURFACE PHOTO-OXIDATION OF BISPHENOL-A POLYCARBONATE [J].
MUNRO, HS ;
ALLAKER, RS .
POLYMER DEGRADATION AND STABILITY, 1985, 11 (04) :349-358
[3]   THE SURFACE PHOTO-OXIDATION OF BISPHENOL A POLYSULFONE FILMS AS STUDIED BY ESCA [J].
MUNRO, HS ;
CLARK, DT .
POLYMER DEGRADATION AND STABILITY, 1985, 11 (03) :211-224
[4]   A PRELIMINARY INVESTIGATION OF THE SURFACE PHOTOOXIDATION OF COPOLYMERS OF STYRENE AND 2-(2-HYDROXY-3-VINYL-5-METHYLPHENYL)-BENZOTRIAZOLE [J].
MUNRO, HS ;
BANKS, J ;
RECCA, A ;
BOTTINO, FA ;
POLLICINO, A .
POLYMER DEGRADATION AND STABILITY, 1986, 15 (02) :161-172
[5]  
SONG ZJ, 1984, POLYM BULL, V12, P245