| 简介 |
FIELD : chemistry.
SUBSTANCE : leather, obtained by (1) pretreatment before tanning, (2) tanning process, (3) a process using a re-tanning agent which is a synthetic tanning substance and a resin. The re-tanning agent is used for re-tanning with subsequent dyeing and treatment by emulsion oiling using an emulsion oiling agent and (4) subsequent treatment after re-tanning.
EFFECT : invention enables to obtain leather having such characteristics as unique elasticity and softness in addition to providing a dressed coat, as well as the capacity for restoration, which prevents overstretching but enables to return to the initial state after use.
6 cl, 5 dwg, 3 tbl, 1 ex |
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