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Film forming processing coating

Aromatic polyimides have many anisotropic imide rings and benzene rings, and they are easy to orient by a film-forming process. Molecular orientation in polyimide films causes in-plane/out-of-plane birefringence (AnJ. Russell et al. have reported the A/ / of conventional PMDA/ODA. On the other hand, spin-coated polyimide films just after preparation do not cause Ann, as noted in the... [Pg.333]

Since about 1960, however, many different dispersions and bonded coatings have been commercially available. These are more convenient and generally cleaner to use, giving better control of the film-forming process and more predictable performance. As a result, the use of transfer for pre-coating bearing surfaces is now of little practical importance. [Pg.115]

A latex used for coating applications and made from an acrylic phase and an alkyd phase contains surfactant particles that stabilize the phases after the film-forming process. Using STEM, the imaging of these surfactant molecules was carried out in order to understand the influence of the surfactant-polymer affinity on the surfactant location after film formation [59]. [Pg.412]

Film and coating fonnation occurs when biopolymer molecules interact through cohesive forces, named H-bonding, ionic bonds and covalent bonds (disulfide bonds). Factors affecting film strength are the chemical nature of the biopolymer and the rest of the components of the formulation (plasticizer type and amount and food additives), and the film forming process. [Pg.178]

Other Coating Methods investigates some less common film-forming processes including electrophoresis, thermophoresis, and settling, as well as hybrid methods combining several processes. [Pg.402]


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Coating processing

Film coating

Film forming

Film forming processing

Film processing

Film processing process

Forming process

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