Surface treatment of steel prior to painting
- Publisher
- Elsevier Science
- Year
- 1940
- Tongue
- English
- Weight
- 56 KB
- Volume
- 230
- Category
- Article
- ISSN
- 0016-0032
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β¦ Synopsis
NATIONAL BUREAU OF STANDARDS NOTES.
[J. F. I.
plastics. The plastics examined included phenol-formaldehyde molded, cast, and laminated materials, urea-formaldehyde molded and laminated materials, casein, cellulose nitrate, cellulose acetate, ethylcellulose, polyvinyl chlorideacetate, polyvinyl acetal, polystyrene in molded and cast forms, polymethyl methacrylate, and cold-molded plastics of the regular and phenolic types. Data are also presented on the rates of absorption and desorption of water by these plastics for prolonged periods up to about 600 days. The variations in the dimensions of the specimens that are produced by these changes in moisture content are recorded.
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Cathodic deposition of paint is industrially exploited for the application of the polymer primer to metal mass ware surfaces. EIS was systematically employed for the first time for the characterization of the wet paint film prior to stoving on Al and Fe. A distinct advantage is the lower impedance i