Metal diffusion in high-temperature polymers
β Scribed by Dr. Franz Faupel
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 311 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0935-9648
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π SIMILAR VOLUMES
Polymer diffusion across interfaces at room temperature (21ΠC) was analyzed by direct nonradiative energy transfer (DET) in labeled latex films. Two model latex polymers were examined: poly(butyl methacrylate) [PBMA, M w Γ 3.5 1 10 4 , T g (dry) Γ 21ΠC] and a copolymer of 2-ethylhexyl methacrylate w
A molecular model for diffusion of gases and vapors of low-molecular weight at low pressures through semicrystalline polymer films is developed. The formulation of a molecular model allows us to consider the temperature dependence a t constant penetrant concentration of the effective diffusion coeff
Conjugated aromatic bisazomethine, resulting from the reaction of terephthaldicarboxaldehyde and aniline, has been found to react with bismaleimidodiphenylmethane to provide polymeric compositions with glass transition temperature higher than 300Β°C. These two materials form a low viscosity melt at c