【摘 要】
:
问题1:蓝湿革挤水削匀后检查有轻微松面,但革坯回水充水后变得紧实了,手感发滑,好像有酸肿发生;此后不管怎么处理,成品革都松面,退鞣、加元明粉脱水、加氯化铵脱碱等许多方法
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问题1:蓝湿革挤水削匀后检查有轻微松面,但革坯回水充水后变得紧实了,手感发滑,好像有酸肿发生;此后不管怎么处理,成品革都松面,退鞣、加元明粉脱水、加氯化铵脱碱等许多方法用尽都没效果.rn观点1:用元明粉处理铬粉含量少的蓝湿革对松面的改善不大,但手感和毛孔清晰度提升不少.rn观点2:这种情况应该是蓝湿革假鞣,还在酸皮状态.应首先考虑加盐和酸退鞣重新鞣制,然后再往下做.对于假鞣的蓝湿革可以重新鞣制或重铬复鞣,为后续材料吸收增加结合点,同时采取油预鞣,有助于鞣制材料的渗透和吸收.
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