| abstract |
Limed, untanned, pref. papilla layer-contg. waste hides, esp. from leather mfr., are converted into spinnable or castable solns. by (a) dissolving or soaking comminuted, dried hide at elevated temp. in a mixture of polyol(s) with amine(s), amide(s) and/or alkali thiocyanate(s) and (b) dissolving the prod. in aq. alkali. The obtd. solns. are used in prodn. of fibres, webs and coatings for use in leather mfr. |