CN106120292B - 一种山羊绒去肤皮处理方法 - Google Patents

一种山羊绒去肤皮处理方法 Download PDF

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CN106120292B
CN106120292B CN201610562423.1A CN201610562423A CN106120292B CN 106120292 B CN106120292 B CN 106120292B CN 201610562423 A CN201610562423 A CN 201610562423A CN 106120292 B CN106120292 B CN 106120292B
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CN106120292A (zh
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李华
郭永平
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NINGXIA RONGCHANG WOOL INDUSTRY Co Ltd
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Abstract

本发明公开了一种山羊绒去肤皮处理方法，包括A、浸泡；B、酸洗；C、第一次漂洗；D、烘干；E、碱洗；F、第二次漂洗。本发明能够解决现有技术的不足，提高了加工后山羊绒的品质。

Description

一种山羊绒去肤皮处理方法
技术领域
本发明涉及羊绒加工技术领域，尤其是一种山羊绒去肤皮处理方法。
背景技术
山羊绒是一种名贵的动物纤维，使用山羊绒制作的服装柔软舒适、保暖性好，具有广泛的市场需求。由于未处理的山羊绒表面存在较多的“死肤皮”，故在加工山羊绒时需要对山羊绒表面的“死肤皮”进行清理。现有技术是通过多次分梳处理对山羊绒的表面“死肤皮”进行清理。但是，这种处理方式对于山羊绒的纤维长度影响较大。
发明内容
本发明要解决的技术问题是提供一种山羊绒去肤皮处理方法，能够解决现有技术的不足，提高了加工后山羊绒的品质。
为解决上述技术问题，本发明所采取的技术方案如下。
一种山羊绒去肤皮处理方法，步骤如下：
A、浸泡
将山羊绒放置在密封容器内，倒入去离子水进行浸泡，山羊绒与去离子水的质量固液比为2:3，浸泡温度保持在60～80℃；浸泡2～3h后，向密封容器内加入油性处理液，温度降至40～45℃，油性处理液与去离子水的质量比为7:20，浸泡24～36h；
B、酸洗
将经过步骤A处理过的山羊绒放入酸性洗涤液中进行搅拌，山羊绒与酸性洗涤液的质量固液比为1:15，酸性洗涤液的温度保持在55～65℃，搅拌速度保持在300～400rad/min，搅拌30～45min；
C、第一次漂洗
使用去离子水对经过步骤B处理过的山羊绒进行漂洗；
D、烘干
将经过漂洗的山羊绒进行加热烘干，加热温度保持在175～200℃；
E、碱洗
将经过步骤D处理过的山羊绒在常温下晾晒8～12h，然后放入碱性洗涤液中进行搅拌，山羊绒与碱性洗涤液的质量固液比为1:9，碱性洗涤液的温度保持在40～45℃，搅拌速度保持在150～200rad/min，搅拌20～30min；
F、第二次漂洗
使用去离子水对经过步骤E处理过的山羊绒进行漂洗；然后自然风干。
作为本发明的一种优选技术方案，步骤A中，所述油性处理液包括，
20～25wt％的油酸、15～25wt％的甘油、7.5～10wt％的山梨醇、2～3wt％的丙烯酸甲酯、4～5wt％的二异氰酸酯、1.5～2wt％的对乙氧基苯胺、5～8wt％的4-甲硫基苯硫醇，余量为乙醇。
作为本发明的一种优选技术方案，步骤B中，所述酸性洗涤液包括，
0.75～2wt％的盐酸、4～6wt％的乙酸、3～5wt％的3-二甲基氨基苯甲醚、0.5～1wt％的2,3,4,5-四氯苯甲腈、8.5～10wt％的间甲苯异硫氰酸酯、15～20wt％的2-甲氧基苯甲醇、7～15wt％的3,5--二氟苯甲酸甲酯、30～40wt％的丙醇，余量为去离子水。
作为本发明的一种优选技术方案，步骤E中，所述碱性洗涤液包括，
5.5～8wt％的碳酸氢钠、7～10wt％的甲烷三羧酸三乙酯、5～10wt％的乙基正丙基硫醚、30～35wt％的乙醇，余量为氨水，氨水的浓度为15wt％。
作为本发明的一种优选技术方案，步骤E中，在碱性洗涤液内加入二氧化硅颗粒，二氧化硅颗粒的直径为50～100μm，二氧化硅颗粒与山羊绒的质量之比为1:10。
作为本发明的一种优选技术方案，步骤E中，在搅拌的同时加入超声波，超声波的功率密度保持在0.3～0.5W/cm2，超声波的频率保持在500～700kHz。
采用上述技术方案所带来的有益效果在于：本发明通过酸洗和碱洗处理，可以对山羊绒鳞片层上“死肤皮”进行有效的分离，并且降低山羊绒纤维表面沾染的污染物对于“死肤皮”的粘附力。在酸洗前，先对山羊绒进行浸泡，可以起到保护山羊绒纤维的作用。酸洗后的高温烘干可以对山羊绒表层的“死肤皮”进行二次分离。酸性洗涤液中的2,3,4,5-四氯苯甲腈、间甲苯异硫氰酸酯可以在洗涤过程中渗入对山羊绒的皮质层，对皮质层进行保护，降低酸性物质对于皮质层的损伤。经过酸洗后，山羊绒鳞片层的缝隙被充分打开，然后通过碱洗可以有效对鳞片层内残损的污物和“死肤皮”进行清理。碱洗的过程中加入二氧化硅颗粒，可以提高对于“死肤皮”的摩擦和清理效果，进一步使用超声波，可以利用超声波对二氧化硅颗粒起到振荡作用，从而与超声波产生的微小气泡相互作用，对山羊绒的表面进行彻底清理。
具体实施方式
实施例1
一种山羊绒去肤皮处理方法，其特征在于步骤如下：
A、浸泡
将山羊绒放置在密封容器内，倒入去离子水进行浸泡，山羊绒与去离子水的质量固液比为2:3，浸泡温度保持在65℃；浸泡3h后，向密封容器内加入油性处理液，温度降至40℃，油性处理液与去离子水的质量比为7:20，浸泡24h；
所述油性处理液包括，
25wt％的油酸、20wt％的甘油、8wt％的山梨醇、2.7wt％的丙烯酸甲酯、4.5wt％的二异氰酸酯、2wt％的对乙氧基苯胺、6wt％的4-甲硫基苯硫醇，余量为乙醇。
B、酸洗
将经过步骤A处理过的山羊绒放入酸性洗涤液中进行搅拌，山羊绒与酸性洗涤液的质量固液比为1:15，酸性洗涤液的温度保持在60℃，搅拌速度保持在320rad/min，搅拌30min；
所述酸性洗涤液包括，
1.2wt％的盐酸、6wt％的乙酸、4.5wt％的3-二甲基氨基苯甲醚、0.7wt％的2,3,4,5-四氯苯甲腈、9wt％的间甲苯异硫氰酸酯、20wt％的2-甲氧基苯甲醇、10wt％的3,5--二氟苯甲酸甲酯、35wt％的丙醇，余量为去离子水。
C、第一次漂洗
使用去离子水对经过步骤B处理过的山羊绒进行漂洗；
D、烘干
将经过漂洗的山羊绒进行加热烘干，加热温度保持在180℃；
E、碱洗
将经过步骤D处理过的山羊绒在常温下晾晒8～12h，然后放入碱性洗涤液中进行搅拌，山羊绒与碱性洗涤液的质量固液比为1:9，碱性洗涤液的温度保持在40～45℃，搅拌速度保持在150～200rad/min，搅拌20～30min；
所述碱性洗涤液包括，
7wt％的碳酸氢钠、10wt％的甲烷三羧酸三乙酯、8wt％的乙基正丙基硫醚、35wt％的乙醇，余量为氨水，氨水的浓度为15wt％；
在碱性洗涤液内加入二氧化硅颗粒，二氧化硅颗粒的直径为50～100μm，二氧化硅颗粒与山羊绒的质量之比为1:10；
在搅拌的同时加入超声波，超声波的功率密度保持在0.4W/cm2，超声波的频率保持在600kHz。
F、第二次漂洗
使用去离子水对经过步骤E处理过的山羊绒进行漂洗；然后自然风干。
通过上述处理，山羊绒只需要一次分梳即可实现“死肤皮”的彻底清除。与现有技术中使用3-5次分梳的工艺相比，山羊绒纤维的平均缩短率由现有技术的5～10％，减少至了3％以内。
实施例2
本实施例是在实施例1的基础上改进而来的。酸洗后，将山羊绒缠绕在带有镂空的盘轴上，缠绕过程中保持山羊绒纤维的张力在0.1～0.15mN/dtex。然后使用蒸汽对山羊绒进行蒸煮处理。蒸汽温度保持在345℃，处理时间为10min。蒸汽中包括，
11wt％的甘露醇、15wt％的乙酸乙酯、5wt％的三羟甲基氨基甲烷、18wt％的2-肼基乙醇、3wt％的全氟十二烷酸甲酯、30wr％的异丙醇，余量为水。
经过蒸煮，可以有效降低后期分梳过程中山羊绒的加工损耗。使用实施例1和实施例2的不同工艺对同一批山羊绒进行加工，然后在同一台分梳机上进行加工，对比测试的结果如下：
损耗(％)
实施例1 2.7
实施例2 1.1
上述描述仅作为本发明可实施的技术方案提出，不作为对其技术方案本身的单一限制条件。

Claims (1)

1.一种山羊绒去肤皮处理方法，其特征在于步骤如下：
A、浸泡
将山羊绒放置在密封容器内，倒入去离子水进行浸泡，山羊绒与去离子水的质量固液比为2:3，浸泡温度保持在65℃；浸泡3h后，向密封容器内加入油性处理液，温度降至40℃，油性处理液与去离子水的质量比为7:20，浸泡24h；
所述油性处理液包括，
25wt％的油酸、20wt％的甘油、8wt％的山梨醇、2.7wt％的丙烯酸甲酯、4.5wt％的二异氰酸酯、2wt％的对乙氧基苯胺、6wt％的4-甲硫基苯硫醇，余量为乙醇；
B、酸洗
将经过步骤A处理过的山羊绒放入酸性洗涤液中进行搅拌，山羊绒与酸性洗涤液的质量固液比为1:15，酸性洗涤液的温度保持在60℃，搅拌速度保持在320rad/min，搅拌30min；
所述酸性洗涤液包括，
1.2wt％的盐酸、6wt％的乙酸、4.5wt％的3-二甲基氨基苯甲醚、0.7wt％的2,3,4,5-四氯苯甲腈、9wt％的间甲苯异硫氰酸酯、20wt％的2-甲氧基苯甲醇、10wt％的3,5--二氟苯甲酸甲酯、35wt％的丙醇，余量为去离子水；
C、第一次漂洗
使用去离子水对经过步骤B处理过的山羊绒进行漂洗；
D、烘干
将经过漂洗的山羊绒进行加热烘干，加热温度保持在180℃；
E、碱洗
将经过步骤D处理过的山羊绒在常温下晾晒8～12h，然后放入碱性洗涤液中进行搅拌，山羊绒与碱性洗涤液的质量固液比为1:9，碱性洗涤液的温度保持在40～45℃，搅拌速度保持在150～200rad/min，搅拌20～30min；
所述碱性洗涤液包括，
7wt％的碳酸氢钠、10wt％的甲烷三羧酸三乙酯、8wt％的乙基正丙基硫醚、35wt％的乙醇，余量为氨水，氨水的浓度为15wt％；
在碱性洗涤液内加入二氧化硅颗粒，二氧化硅颗粒的直径为50～100μm，二氧化硅颗粒与山羊绒的质量之比为1:10；
在搅拌的同时加入超声波，超声波的功率密度保持在0.4W/cm2，超声波的频率保持在600kHz；
F、第二次漂洗
使用去离子水对经过步骤E处理过的山羊绒进行漂洗；然后自然风干。
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