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Jones Laser Light Scattering; J.


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Davies, D. Jackson, C.

Table of contents

J Roberts, S. Tendler, K. Kreusel, M.

Wilkins and P. Ito, L.

Soft X-ray spectromicroscopy of polymers and biopolymer interfaces - 2

Liu and Y. Bee, etal. Allara, et al. Laser Light Scattering J. In Polymer Surfaces and Interfaces, experts provide concise explanations, with examples and illustrations, of the key techniques. In each case, after basic principles have been reviewed, applications of the experimental techniques are discussed and illustrated with specific examples. Scientists and engineers in research and development will benefit from an application-oriented book that helps them to find solutions to both fundamental and applied problems.

9. Surfaces and Interfaces

Skip to main content Skip to table of contents. Advertisement Hide. Front Matter Pages i-xvi. Polymer Surface and Interface Characterization Techniques. Clearly a gradation of composition exists between the two phases on either side. The densities of polymers may go up or down at surfaces and interfaces, depending on the interactions.

Polymer blends that have unacceptable properties are called incompatible. This must be distinguished from the scientific term immiscible, which means that the free energy of mixing is positive.

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Thus, industrially, polymer blends are called incompatible or compatible, depending on the usefulness of the material. Lacking at this time seems to be a range of terms expressing quantities between immiscible and miscible, and incompatible and compatible. Compatibility, however, can be improved by a variety of techniques.

Compounds that are used to bond a polymer to a surface are called coupling agents. The most common coupling agents are the silanes 8. Another interaction of importance is called the acid-base interaction 9. Hydrogen bonds form the most important case of the acid-base interactions, where the heats of hydrogen bonding are a function of the acid strength of the hydrogen donor and the base strength of the hydrogen acceptor.

Often, block or graft copolymers are used at the interface, to promote adhesion.


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  5. Such materials are known as compatibilizers. Other terms are modifiers, coupling agents above , adhesion promoters, and interfacial agents. The general term for the bonding of a polymer and a substrate is called adhesion, which in general involves interfacial surface tension, London dispersion forces, hydrogen bonds, covalent bonds, etc. The above briefly summarizes the current state of affairs. While the use of such terminology is becoming widespread, these terms and many others are not always well defined.

    Significant effort in this direction would be desirable. MC ,.

    Physics of polymer surfaces and interfaces

    Blackburg VA Join POLY. Figure 1. A polymer chain partly adsorbed on a surface. Jenkel and B.

    POLY - PMSE Nomenclature - Polymer Surfaces and Interfaces

    Rumbach, Z. Fleer, M. Cohen Stuart, J. Scheutjens, T. Cosgrove, and B. Joanny, L. Leibler, and P. Sci, Polym. Gao and H.