Composition of Coatings
- methyl acrylate-methacrylic acid copolymers
- cellulose acetate succinate
- hydroxy propyl methyl cellulose phthalate
- hydroxy propyl methyl cellulose acetate succinate (hypromellose acetate succinate)
- polyvinyl acetate phthalate (PVAP)
- methyl methacrylate-methacrylic acid copolymers
- Sodium alginate and stearic acid
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“Give a scientist a problem and he will probably provide a solution; historians and sociologists, by contrast, can offer only opinions. Ask a dozen chemists the composition of an organic compound such as methane, and within a short time all twelve will have come up with the same solution of CH4. Ask, however, a dozen economists or sociologists to provide policies to reduce unemployment or the level of crime and twelve widely differing opinions are likely to be offered.”
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