Modern coating and drying technology
著者
書誌事項
Modern coating and drying technology
（Advances in interfacial engineering series）
VCH, c1992
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注記
Based on a 2-day course organized for the AIChE Spring National Meeting in Orlando, Fla., Mar. 1990, held in conjunction with the Fifth Biennial International Symposium on the Mechanics of Thin Film Coating
Includes bibliographical references (p. 296-298) and index
内容説明・目次
内容説明
In this book, industrial engineers and others will find an introduction to and reference on the science of coating. Drawn from a two-day course organized by the editors, the book delineates the major processes used in coating continuous webs, emphasizing precision application technology for the high performance coatings required by so many high-tech products. From fluid preparation and delivery through coating application and drying to finished product, expert contributors discuss limitations in speed and thickness, coating defects and their causes, handling the web, drying the coated web, and the effects on the process of the surface chemistry of coating fluid and coating support. The contributors represent the paper and converting industries as well as the photographic industry.
目次
- Part 1 Choosing the coating method: coating components and structures
- coating technologies
- coating methods
- selecting a coating method - basic considerations
- choosing the coating method
- information sources. Part 2: purpose of fluid handling and preparation
- fluid displacement
- flow measurement
- gas removal
- filtration
- online injection and homogenization
- temperature control
- system perturbations
- residence time
- systems cleaning. Part 3 Roll coating: classification of roll coating flows
- analysis of roll coating flows
- forward roll coating
- ribbing instability
- reverse roll coating
- deformable rolls
- gravure coating. Part 4 Premetered coatings: review of premetered coaters
- surface tension and wettability
- shear and elongation rates
- contact angles and spreading
- low flow limits of coatability
- instabilities in slide coating. Part 5 Air knife coating: overview
- typical operating range
- mechanism
- a coating thickness correlation
- defects and flow stability. Part 6 Drive systems for off-machine coaters: writing specifications
- selecting a winding machine for a coating operation
- the master or lead section and factors that reduce its effectiveness on a coating machine
- influence of unwind and winder on web control
- a speed monitoring system
- tension in a coating machine
- effects of wiring practices on tension control
- when to use pure speed control
- types of tension control sytems
- isolation
- sections that can control tension
- integral versus proportional control
- the need for motoring and regeneration
- sizing power supplied for off-machine coater drives
- web
- web guides and web spreaders
- defects - sources and solutions
- application considerations for off-machine coater sections
- summary. Part 7 Thin film drying: basic principles
- drying regimes
- hardware
- dryer control
- drying defects.
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