CN111501330A - 一种植物提取物改性制备的棉纤维及其制备方法 - Google Patents

一种植物提取物改性制备的棉纤维及其制备方法 Download PDF

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CN111501330A
CN111501330A CN201910091426.5A CN201910091426A CN111501330A CN 111501330 A CN111501330 A CN 111501330A CN 201910091426 A CN201910091426 A CN 201910091426A CN 111501330 A CN111501330 A CN 111501330A
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cotton fiber
parts
cotton
plant extract
treatment
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黄效华
甄丽
刘洁
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Zhongke Textile Research Institute Qingdao Co ltd
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Abstract

本发明提供了一种植物提取物改性制备的棉纤维的制备方法，包括预处理、A处理液的制备、棉纤维一次处理、棉纤维二次处理，预处理为将棉花置于50℃浸液中浸泡10min，取出使含水量为8%；本发明制备的棉纤维，干断裂伸长率7.35‑7.81%，染色小斑点率为0%，对金黄色葡萄球菌、白色念珠菌、大肠杆菌的抑菌率分别为91.8‑95.4%、90.9‑93.2%、90.5‑92.8%；洗涤50次后，对金黄色葡萄球菌、白色念珠菌、大肠杆菌的抑菌率分别为85.9‑90.7%、80.5‑91.1%、83.1‑90.1%；采用本发明棉纤维织成的面料，接触瞬间凉感0.16‑0.20J/（cm2·s）。

Description

一种植物提取物改性制备的棉纤维及其制备方法
技术领域
本发明属于纤维改性领域，涉及一种植物提取物改性制备的棉纤维及其制备方法。
背景技术
棉纤维，锦葵科棉属植物的种籽上被覆的纤维，又称棉花，简称棉。是纺织工业的重要原料。棉纤维制品吸湿和透气性好，柔软而保暖。棉花大多是一年生植物。它是由棉花种子上滋生的表皮细胞发育而成的。
公开号为CN108611849A的中国专利公布了一种棉纤维改性剂、改性棉纤维及其制备方法，其中的中药组合物的各组分及含量值，使相互配伍的中药组合物中包含具有抗菌防霉的功能性物质和单宁类物质，从而促使中药组合物中的功能成分与棉纤维中的纤维素大分子基团结合，彼此形成羟基，增强大分子间作用力，保持中药组合物功能的持久性和稳定性，赋予了棉纤维的抗菌防霉性能。
申请号为CN201810485915.4的中国专利公布了一种改性棉纤维及其制备的免烫布料。采用将棉纤维用氢氧化钠溶液进行碱水浸渍，然后将棉纤维漂白处理，处理后的棉纤维在使用有机溶液进行预处理，接着对棉纤维进行改性剂处理和离心除杂。其中的棉纤维改性剂中包括：硫酸钛、尿素、钛酸丁酯、羟甲基丙烯酰胺钠和壳聚糖。
公告号为CN103422274B的中国专利公布了一种棉纤维的复合晶变改性方法，是将棉纤维置于密闭容器中，充入改性介质，升压至改性压力，然后瞬间释放压力，再抽真空、高速离心旋转牵伸和微波联合作用并去除改性介质，即获得复合晶变改性棉纤维。改性后提高了产品的尺寸稳定性、柔软性和染色性能等；采用瞬间释放压力的方法，大幅提高了纤维的蓬松性和柔软性；采用抽真空、高速离心旋转牵伸和微波辐射联合作用，进一步提高了纤维的品质和改性效率。
发明内容
本发明为解决以上技术问题，针对现有技术的不足之处，提供一种植物提取物改性制备的棉纤维及其制备方法，以实现以下发明目的：
（1）本发明植物提取物改性制备的棉纤维，符合GB18401-2010国家纺织品基本安全技术规范，能降低对棉纤维强力的损失，染色后纤维的的强力损失少，耐水色牢度、耐汗渍色牢度好（耐水色牢度变色等级为4-5级、沾色等级为4-5级，耐汗渍色牢度变色等级为4-5级、沾色等级为4-5级），耐摩擦色牢度好（干摩擦等级为4-5级），手感好，无甲醛，无异味，无可分解致癌芳香胺染料检出，提高了染色后棉纤维的品质，匀染效果优秀，匀染率可达90%以上，工艺简单。
（2）本发明植物提取物改性制备的棉纤维，干强度、湿强度、干断裂伸长率高，染色小斑点率为0；
（3）本发明植物提取物改性制备的棉纤维，对金黄色葡萄球菌、白色念珠菌、大肠杆菌的抑菌率高；
（4）本发明植物提取物改性制备的棉纤维，制成的纺织品，接触瞬间凉感值高；
（5）本发明植物提取物改性制备的棉纤维，制成的纺织品，缩水率低，透气率高，不易起毛起球，悬垂系数高。
为解决上述技术问题，本发明采取的技术方案如下：
一种植物提取物改性制备的棉纤维，其特征在于，
所述植物提取物改性制备的棉纤维，干强度2.75-3.09cN/dtex，湿强度2.81-2.95cN/dtex，干断裂伸长率7.35-7.81%，染色小斑点率为0%。
以下是对上述技术方案的进一步改进：
所述植物提取物改性制备的棉纤维，对金黄色葡萄球菌、白色念珠菌、大肠杆菌的抑菌率分别为91.8-95.4%、90.9-93.2%、90.5-92.8%；洗涤50次后，对金黄色葡萄球菌、白色念珠菌、大肠杆菌的抑菌率分别为85.9-90.7%、80.5-91.1%、83.1-90.1%。
所述的一种植物提取物改性制备的棉纤维，由所述植物提取物改性制备的棉纤维制成的纺织品，接触瞬间凉感0.16-0.20J/（cm2·s）。
一种植物提取物改性制备的棉纤维的制备方法，其特征在于，
所述制备方法，包括预处理、A处理液的制备、棉纤维一次处理、棉纤维二次处理和后处理。
所述预处理，将棉花置于50℃浸液中浸泡 10min，取出控水，使得水含量为8%，得到棉纤维；
所述浸液，按重量份计由以下成分制成：元明粉8-10份、氯化钠2份、小苏打粉1-2份、柠檬酸钠1-2份、三氧化二铈粉0.1-0.2份、纯碱1.5-1.8份、去离子水100份。
所述A处理液的制备，A处理剂包括以下重量份的原料：
氨基磺酸-苯酚-甲醛缩合物10-22份，多糖14-18份，聚氧乙烯牛脂胺10-12份，二甲基硅油2-10份，2000目的滑石粉2-3份，甲酸0.5-1份，水60-70份。
所述A处理液的制备方法为：
将A处理剂按照1：20浴比，温度82.5-92℃溶解，加入0.5-1%的冰醋酸调节 pH值，加入过程不断搅拌，保温2小时。
所述棉纤维一次处理，将预处理后的棉纤维放入A处理液中，混合，先升温至35℃，保温20分钟；
保持35℃下，将混合物在氮气气流下进行超声-紫外协同处理20min，
接着升温至95℃，保温放置15min后，采用频率为15Hz、电场强度为12kV/cm的脉冲电场处理9 s，然后将电场一次物处理置于密闭储存罐中，在强度为1.2×10-2w/in2紫外线和1.72×108rads的γ射线照射5min。
所述棉纤维二次处理，薄荷粉为99.5%过400目筛，有效成分含量≥98.5%，水分≤3%，菌落总数＜99cfu/g。
采用上述技术，本发明的有益效果为：
（1）本发明植物提取物改性制备的棉纤维，符合GB18401-2010国家纺织品基本安全技术规范，能降低对棉纤维强力的损失，染色后纤维的的强力损失少，耐水色牢度、耐汗渍色牢度好（耐水色牢度变色等级为4-5级、沾色等级为4-5级，耐汗渍色牢度变色等级为4-5级、沾色等级为4-5级），耐摩擦色牢度好（干摩擦等级为4-5级），手感好，无甲醛，无异味，无可分解致癌芳香胺染料检出，提高了染色后棉纤维的品质，匀染效果优秀，匀染率可达90%以上，工艺简单。
（2）本发明植物提取物改性制备的棉纤维，干强度2.75-3.09cN/dtex，湿强度2.81-2.95cN/dtex，干断裂伸长率7.35-7.81%，染色小斑点率为0%；
（3）本发明植物提取物改性制备的棉纤维，对金黄色葡萄球菌、白色念珠菌、大肠杆菌的抑菌率分别为91.8-95.4%、90.9-93.2%、90.5-92.8%；洗涤50次后，对金黄色葡萄球菌、白色念珠菌、大肠杆菌的抑菌率分别为85.9-90.7%、80.5-91.1%、83.1-90.1%；
（4）本发明植物提取物改性制备的棉纤维，制成的纺织品，接触瞬间凉感0.16-0.20J/（cm2·s）；
（5）本发明植物提取物改性制备的棉纤维，制成的纺织品，缩水率7.2-7.6%，透气率2006-2051L/m2/S，起毛起球等级为3.5，悬垂系数为26-27%。
具体实施方式
以下对本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。
实施例1 一种植物提取物改性制备的棉纤维及其制备方法
步骤1、预处理
将棉花置于50℃浸液中浸泡 10min，取出控水，使得水含量为8%，得到棉纤维；
选择棉花时，将散棉中的油脂蜡质、果胶等杂质和已发生黄变的棉花剔除，保留表面洁净、白度均一的棉花。
所述浸液，按重量份计由以下成分制成：元明粉8份、氯化钠2份、小苏打粉2份、柠檬酸钠2份、三氧化二铈粉0.2份、纯碱1.8份、去离子水100份。
步骤2、A处理液的制备
（1）原料的制备
所述A处理剂包括以下重量份的原料：
氨基磺酸-苯酚-甲醛缩合物10份，多糖14份，聚氧乙烯牛脂胺10份，二甲基硅油2份，2000目的滑石粉2份，甲酸0.5份，水60份。
所述多糖，为半乳甘露聚糖、壳聚糖和L-鼠李糖，半乳甘露聚糖、壳聚糖和L-鼠李糖的质量比为12:4:7；
所述二甲基硅油，表面张力2.01×10-4-2.03×10-4N/cm，运动粘度从5000×10-6-7000×10-6平方米/秒；
所述A处理剂的制备方法为：
按所述重量份将氨基磺酸-苯酚-甲醛缩合物，多糖、聚氧乙烯牛脂胺、2000目的滑石粉进行混合，以800rad/min的速度搅拌，温度为133℃，加入所述重量份的二甲基硅油和甲酸、水，搅拌，时间为22min，冷却，粉碎、过筛得到A处理剂。
（2）制备A处理液
所述A处理液的制备方法为：
将2Kg步骤（1）的A处理剂，按照1：20浴比，温度82.5℃溶解，加入0.5%的冰醋酸调节 pH值，加入过程不断搅拌，保温2小时后过滤使用（全部溶解呈半透明态）。
步骤3、棉纤维一次处理
将预处理后的棉纤维放入A处理液中，混合，先升温至35℃，保温20分钟；
保持35℃下，将混合物在氮气气流下进行超声-紫外协同处理20min，超声频率为57.5KHz，功率为552W，紫外光波长为394nm，氮气流的流量为23ml/min；
接着升温至95℃，保温放置15min后，采用频率为15Hz、电场强度为12kV/cm的脉冲电场处理9 s，得电场一次处理物；
然后将电场一次物处理置于密闭储存罐中，在强度为1.2×10-2w/in2紫外线和1.72×108rads的γ射线照射5min，得紫外-γ处理物；
向紫外-γ处理物中加入1.2g碳酸钠粉，混合，分散研磨至D90≤0.75um，磁力搅拌器下搅拌6min，然后采用频率为18Hz、电场强度为22kV/cm的脉冲电场处理9-10 s，得电场二次处理物；
继续保持温度95℃下放置3-4min后，除去碳酸钠，取出水洗，晾干至含水率＜5%。
步骤4、棉纤维二次处理
a.制备植物染色剂溶液，将植物染色剂加入去离子水制成浓度为3%的植物染色剂溶液；
所述的植物染色剂，选用薄荷粉，所述的薄荷粉，99.5%过400目筛，外观：棕色粉末，疏松、无结块，无肉眼可见杂质，颜色：浅绿色，颜色均匀一致；气味均一；有效成分含量≥98.5%，水分≤3%，菌落总数＜99cfu/g，沙门氏菌和大肠杆菌均不得检出，保质期为12个月；有效成分：薄荷醇、薄荷酮、 乙酸薄荷酯、柠檬烯、异薄荷酮、薄荷酯类、大黄素、大黄酚、刺槐素等。
b. 植物染色剂占棉纤维的质量百分比例为2.29%，浴比为 1：10；
c.将棉纤维置于植物染色剂溶液 浴中（添加冰醋酸 1g/L ，添加量视染缸内水量而定），升温速率2℃/min，升温至95℃，处理时间60分钟；
d.皂洗：将处理后的纤维置于5g/L皂洗液中，60℃左右 10-15分钟，取出，水洗，干燥；
e.可选加柔软剂。
步骤5、后处理
采用112℃的高温对上述步骤得到的棉纤维进行第一次高温蒸汽熏蒸处理10-15min，然后放入水分平衡室内进行水分平衡处理1小时，再进行第二次高温蒸汽熏蒸处理10min，第二次高温蒸汽的温度为107℃，然后再自然冷却至室温；
经洗涤、干燥后得到本发明的棉纤维。
本发明得到的棉纤维，符合GB18401-2010国家纺织品基本安全技术规范，能降低对棉纤维强力的损失，染色后纤维的的强力损失少，耐水色牢度、耐汗渍色牢度好（耐水色牢度变色等级为4-5级、沾色等级为4-5级，耐汗渍色牢度变色等级为4-5级、沾色等级为4-5级），耐摩擦色牢度好（干摩擦等级为4-5级），手感好，无甲醛，无异味，无可分解致癌芳香胺染料检出，提高了染色后棉纤维的品质，匀染效果优秀，匀染率可达90%以上，工艺简单。
实施例2一种植物提取物改性制备的棉纤维及其制备方法
步骤1、预处理
将棉花置于50℃浸液中浸泡 14min，取出控水，使得水含量为9%，得到棉纤维；
选择棉花时，将散棉中的油脂蜡质、果胶等杂质和已发生黄变的棉花剔除，保留表面洁净、白度均一的棉花。
所述浸液，按重量份计由以下成分制成：元明粉9份、氯化钠2份、小苏打粉2份、柠檬酸钠2份、三氧化二铈粉0.3份、纯碱1.7份、去离子水100份。
步骤2、A处理液的制备
（1）原料的制备
所述A处理剂包括以下重量份的原料：
氨基磺酸-苯酚-甲醛缩合物18份，多糖17份，聚氧乙烯牛脂胺11份，二甲基硅油7份，2000目的滑石粉2.2份，甲酸0.9份，水66份。
所述多糖，为壳聚糖和L-鼠李糖的混合物，质量比为5:8；
所述二甲基硅油，表面张力2.10×10-4-2.12×10-4N/cm，运动粘度从8000×10-6-9000×10-6平方米/秒；
所述A处理剂的制备方法为：
按所述重量份将氨基磺酸-苯酚-甲醛缩合物，多糖、聚氧乙烯牛脂胺、2000目的滑石粉进行混合，以800rad/min的速度搅拌，温度为133℃，加入所述重量份的二甲基硅油和甲酸、水，搅拌，时间为20-30min，冷却，粉碎、过筛得到A处理剂。
（2）制备A处理液
所述A处理液的制备方法为：
将2Kg步骤（1）的A处理剂，按照1：20浴比，温度93℃溶解，加入0.8%的冰醋酸调节 pH值，加入过程不断搅拌，保温2小时后过滤使用（全部溶解呈半透明态）。
步骤3、棉纤维一次处理
将预处理后的棉纤维放入A处理液中，混合，先升温至35℃，保温20分钟；
保持35℃下，将混合物在氮气气流下进行超声-紫外协同处理20min，超声频率为57.5KHz，功率为552W，紫外光波长为394nm，氮气流的流量为23ml/min；
接着升温至95℃，保温放置15min后，采用频率为15Hz、电场强度为12kV/cm的脉冲电场处理11 s，得电场一次处理物；
然后将电场一次物处理置于密闭储存罐中，在强度为1.2×10-2w/in2紫外线和1.72×108rads的γ射线照射5min，得紫外-γ处理物；
向紫外-γ处理物中加入1.2g碳酸钠粉，混合，分散研磨至D90≤0.75um，磁力搅拌器下搅拌6min，然后采用频率为18Hz、电场强度为22kV/cm的脉冲电场处理9-10 s，得电场二次处理物；
继续保持温度95℃下放置13-15min后，除去碳酸钠，取出水洗，晾干至含水率＜5%。
步骤4、棉纤维二次处理
a.制备植物染色剂溶液，将植物染色剂加入去离子水制成浓度为3%的植物染色剂溶液；
所述的植物染色剂，选用薄荷粉，所述的薄荷粉，99.5%过400目筛，外观：棕色粉末，疏松、无结块，无肉眼可见杂质，颜色：浅绿色，颜色均匀一致；气味均一；有效成分含量≥98.5%，水分≤3%，菌落总数＜99cfu/g，沙门氏菌和大肠杆菌均不得检出，保质期为12个月；有效成分：薄荷醇、薄荷酮、乙酸薄荷酯、柠檬烯、异薄荷酮、薄荷酯类、大黄素、大黄酚、刺槐素等。
b. 植物染色剂占棉纤维的质量百分比例为6%，浴比为 1：10；
c.将棉纤维置于植物染色剂溶液 浴中（添加冰醋酸 1g/L ，添加量视染缸内水量而定），升温速率2℃/min，升温至95℃，处理时间60分钟；
d.皂洗：将处理后的纤维置于5g/L皂洗液中，60℃左右 16分钟，取出，水洗，干燥；
e.可选加柔软剂。
步骤5、后处理
采用112-115℃的高温对上述步骤得到的棉纤维进行第一次高温蒸汽熏蒸处理10-15min，然后放入水分平衡室内进行水分平衡处理1小时，再进行第二次高温蒸汽熏蒸处理14min，第二次高温蒸汽的温度为109℃，然后再自然冷却至室温；
经洗涤、干燥后得到本发明的棉纤维。
本发明得到的棉纤维，符合GB18401-2010国家纺织品基本安全技术规范，能降低对棉纤维强力的损失，染色后纤维的的强力损失少，耐水色牢度、耐汗渍色牢度好（耐水色牢度变色等级为4-5级、沾色等级为4-5级，耐汗渍色牢度变色等级为4-5级、沾色等级为4-5级），耐摩擦色牢度好（干摩擦等级为4-5级），手感好，无甲醛，无异味，无可分解致癌芳香胺染料检出，提高了染色后棉纤维的品质，匀染效果优秀，匀染率可达90%以上，工艺简单。
实施例3一种植物提取物改性制备的棉纤维及其制备方法
步骤1、预处理
将棉花置于50℃浸液中浸泡 15min，取出控水，含水量为9.8%，得到棉纤维；
选择棉花时，将散棉中的油脂蜡质、果胶等杂质和已发生黄变的棉花剔除，保留表面洁净、白度均一的棉花。
所述浸液，按重量份计由以下成分制成：元明粉10份、氯化钠2份、小苏打粉1份、柠檬酸钠1份、三氧化二铈粉0.1份、纯碱1.5份、去离子水100份。
步骤2、A处理液的制备
（1）原料的制备
所述A处理剂包括以下重量份的原料：
氨基磺酸-苯酚-甲醛缩合物22份，多糖18份，聚氧乙烯牛脂胺12份，二甲基硅油10份，2000目的滑石粉3份，甲酸1份，水70份。
所述多糖，为半乳甘露聚糖、壳聚糖的混合物，质量比为1:1:5；
所述二甲基硅油，表面张力2.08×10-4-2.12×10-4N/cm，运动粘度9056×10-6平方米/秒；
所述A处理剂的制备方法为：
按所述重量份将氨基磺酸-苯酚-甲醛缩合物，多糖、聚氧乙烯牛脂胺、2000目的滑石粉进行混合，以900rad/min的速度搅拌，温度为135℃，加入所述重量份的二甲基硅油和甲酸、水，搅拌，时间为30min，冷却，粉碎、过筛得到A处理剂。
（2）制备A处理液
所述A处理液的制备方法为：
将2Kg步骤（1）的A处理剂，按照1：20浴比，温度95℃溶解，加入0.5%-1%的冰醋酸调节pH值，加入过程不断搅拌，保温2小时后过滤使用（全部溶解呈半透明态）。
步骤3、棉纤维一次处理
将预处理后的棉纤维放入A处理液中，混合，先升温至35℃，保温20分钟；
保持35℃下，将混合物在氮气气流下进行超声-紫外协同处理20min，超声频率为57.5KHz，功率为552W，紫外光波长为394nm，氮气流的流量为23ml/min；
接着升温至95℃，保温放置15min后，采用频率为15Hz、电场强度为12kV/cm的脉冲电场处理9-12 s，得电场一次处理物；
然后将电场一次物处理置于密闭储存罐中，在强度为1.2×10-2w/in2紫外线和1.72×108rads的γ射线照射5min，得紫外-γ处理物；
向紫外-γ处理物中加入1.2g碳酸钠粉，混合，分散研磨至D90≤0.75um，磁力搅拌器下搅拌6min，然后采用频率为18Hz、电场强度为22kV/cm的脉冲电场处理9-10 s，得电场二次处理物；
继续保持温度95℃下放置3-4min后，除去碳酸钠，取出水洗，晾干至含水率＜5%。
步骤4、棉纤维二次处理
a.制备植物染色剂溶液，将植物染色剂加入去离子水制成浓度为3%的植物染色剂溶液；
所述的植物染色剂，选用薄荷粉，所述的薄荷粉，99.5%过400目筛，外观：棕色粉末，疏松、无结块，无肉眼可见杂质，颜色：浅绿色，颜色均匀一致；气味均一；有效成分含量≥98.5%，水分≤3%，菌落总数＜99cfu/g，沙门氏菌和大肠杆菌均不得检出，保质期为12个月；有效成分：薄荷醇、薄荷酮、 乙酸薄荷酯、柠檬烯、异薄荷酮、薄荷酯类、大黄素、大黄酚、刺槐素等。
b. 植物染色剂占棉纤维的质量百分比例为8%，浴比为 1：10；
c.将棉纤维置于植物染色剂溶液 浴中（添加冰醋酸 1g/L ，添加量视染缸内水量而定），升温速率2℃/min，升温至95℃，处理时间60分钟；
d.皂洗：将处理后的纤维置于5g/L皂洗液中，60℃左右 15分钟，取出，水洗，干燥；
e.可选加柔软剂。
步骤5、后处理
采用115℃的高温对上述步骤得到的棉纤维进行第一次高温蒸汽熏蒸处理15min，然后放入水分平衡室内进行水分平衡处理1小时，再进行第二次高温蒸汽熏蒸处理15min，第二次高温蒸汽的温度为110℃，然后再自然冷却至室温；
经洗涤、干燥后得到本发明的棉纤维。
本发明得到的棉纤维，符合GB18401-2010国家纺织品基本安全技术规范，能降低对棉纤维强力的损失，染色后纤维的的强力损失少，耐水色牢度、耐汗渍色牢度好（耐水色牢度变色等级为4-5级、沾色等级为4-5级，耐汗渍色牢度变色等级为4-5级、沾色等级为4-5级），耐摩擦色牢度好（干摩擦等级为4-5级），手感好，无甲醛，无异味，无可分解致癌芳香胺染料检出，提高了染色后棉纤维的品质，匀染效果优秀，匀染率可达90%以上，工艺简单。
1、经过对实施例1-3所述的制备方法得到的棉纤维进行检测，其中主要指标的检测结果见表1：
表1：
Figure DEST_PATH_IMAGE002
2、对本发明实施例1-3制备的棉纤维还进行了抗菌性测试，测试方法采用GBT20944.3-2008纺织品抗菌性能评价 第3部分：振荡法对金黄色葡萄球菌、对白色念珠菌和大肠杆菌抑菌效果试验，结果见表2；
表2
Figure DEST_PATH_IMAGE004
3、对本发明实施例1-3制备的棉纤维织成的面料进行了接触冷感性测试，测试方法采用GB/T 35263-2017 纺织品 接触瞬间凉感性能的检测和评价，结果见表3；
表3
Figure DEST_PATH_IMAGE006
4、将本发明实施例1-3制备的棉纤维制成纺织品（纺织品的规格：JC/T50/50 140*100），以下是对纺织品的性能测试，如表4。
表4
Figure DEST_PATH_IMAGE008
除非另有说明，本发明中所采用的百分数均为质量百分数，所述的比例均为质量比例。
本发明同样可以采用艾草、草珊瑚、益母草等植物提取物对棉纤维进行改性，可以达到与本发明实施例基本相同的效果，在此不再赘述。
最后应说明的是：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (9)

1.一种植物提取物改性制备的棉纤维，其特征在于，
所述植物提取物改性制备的棉纤维，干强度2.75-3.09cN/dtex，湿强度2.81-2.95cN/dtex，干断裂伸长率7.35-7.81%，染色小斑点率为0%。
2.根据权利要求1所述的一种植物提取物改性制备的棉纤维，其特征在于，
所述植物提取物改性制备的棉纤维，对金黄色葡萄球菌、白色念珠菌、大肠杆菌的抑菌率分别为91.8-95.4%、90.9-93.2%、90.5-92.8%；洗涤50次后，对金黄色葡萄球菌、白色念珠菌、大肠杆菌的抑菌率分别为85.9-90.7%、80.5-91.1%、83.1-90.1%。
3.根据权利要求1所述的一种植物提取物改性制备的棉纤维，其特征在于，
由所述植物提取物改性制备的棉纤维制成的纺织品，接触瞬间凉感0.16-0.20J/（cm2·s）。
4.一种植物提取物改性制备的棉纤维的制备方法，其特征在于，
所述制备方法，包括预处理、A处理液的制备、棉纤维一次处理、棉纤维二次处理和后处理。
5.根据权利要求4所述的一种植物提取物改性制备的棉纤维的制备方法，其特征在于，
所述预处理，将棉花置于50℃浸液中浸泡 10min，取出控水，使得水含量为8%，得到棉纤维；
所述浸液，按重量份计由以下成分制成：元明粉8-10份、氯化钠2份、小苏打粉1-2份、柠檬酸钠1-2份、三氧化二铈粉0.1-0.2份、纯碱1.5-1.8份、去离子水100份。
6.根据权利要求4所述的一种植物提取物改性制备的棉纤维的制备方法，其特征在于，
所述A处理液的制备，A处理剂包括以下重量份的原料：
氨基磺酸-苯酚-甲醛缩合物10-22份，多糖14-18份，聚氧乙烯牛脂胺10-12份，二甲基硅油2-10份，2000目的滑石粉2-3份，甲酸0.5-1份，水60-70份。
7.根据权利要求4所述的一种植物提取物改性制备的棉纤维的制备方法，其特征在于，
所述A处理液的制备方法为：
将A处理剂按照1：20浴比，温度82.5-92℃溶解，加入0.5-1%的冰醋酸调节 pH值，加入过程不断搅拌，保温2小时。
8.根据权利要求4所述的一种植物提取物改性制备的棉纤维的制备方法，其特征在于，
所述棉纤维一次处理，将预处理后的棉纤维放入A处理液中，混合，先升温至35℃，保温20分钟；
保持35℃下，将混合物在氮气气流下进行超声-紫外协同处理20min，
接着升温至95℃，保温放置15min后，采用频率为15Hz、电场强度为12kV/cm的脉冲电场处理9 s，然后将电场一次物处理置于密闭储存罐中，在强度为1.2×10-2w/in2紫外线和1.72×108rads的γ射线照射5min。
9.根据权利要求4所述的一种植物提取物改性制备的棉纤维的制备方法，其特征在于，
所述棉纤维二次处理，薄荷粉为99.5%过400目筛，有效成分含量≥98.5%，水分≤3%，菌落总数＜99cfu/g。
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