Abstract
The amorphous phase of wool contains and is created by the amino acids with large sidechains. Among the latter are those which are commonly used in cross-linking reac tions ; since cross-linking is unlikely to have a profound effect on the elastic properties of a disorganized structure unless it occurs with very great frequency, it is now clear why cross-linking with agents such as formaldehyde fails to give desirable technical effects. A more promising method of modifying the properties of wool to commercial advantage is to form graft copolymers in the amorphous phase; possible methods of achieving this end are examined.
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