The corn starch was modified into oxidized starch containing both carboxyl and aldehyde groups by chemical method, which provided a new clean tanning agent for leather industry.

利用两步氧化法，首次将玉米淀粉改性为同时含羧基和醛基的氧化淀粉，为制革工业提供了一种新型的清洁化鞣剂。

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But for the polyfunctional tructures, they could increase the interaction or tanning agent and collagen, and improve the quality of…

将这两种助剂搭配使用，可以生产出高质量的鞋面革和服装革。

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