CN106283204A - 一种抗菌无胶棉的制备方法 - Google Patents

一种抗菌无胶棉的制备方法 Download PDF

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CN106283204A
CN106283204A CN201610678084.3A CN201610678084A CN106283204A CN 106283204 A CN106283204 A CN 106283204A CN 201610678084 A CN201610678084 A CN 201610678084A CN 106283204 A CN106283204 A CN 106283204A
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qingzhu
silicon oil
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张静
薛培龙
王龙
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Abstract

本发明涉及一种抗菌无胶棉的制备方法,属于无胶棉制备技术领域。本发明首先将青竹粉进行蒸汽爆破处理后,分别用去离子水、过氧化氢溶液和氢氧化钠溶液进行浸泡和水浴加热,干燥制得青竹纤维,再以八甲基环四硅氧烷、六甲基二硅氧烷为原料,与硅烷偶联剂进行混合,并加入氢氧化钾溶液,制得到氨基硅油,接着利用乳化剂进行乳化,得到氨基硅油乳液作为蓬松剂,最后将青竹纤维和短纤进行配料、开松和铺网后,将氨基硅油乳液喷涂于其表面,即可得到抗菌无胶棉。本发明制备的抗菌无胶棉抗菌效果好,抑菌率≥39%,可广泛适于抵抗能力弱的婴幼儿或孕妇使用;且其蓬松度、回复率、压缩率等性能优越,可进行产业化生产。

Description

一种抗菌无胶棉的制备方法
技术领域
本发明涉及一种抗菌无胶棉的制备方法,属于无胶棉制备技术领域。
背景技术
无胶棉又称喷浆絮棉,是非织造布的一种,无胶棉结构形成的原理就是将粘合剂喷洒在蓬松的纤维层的两面,由于在喷淋时有一定的压力,以及下部真空吸液时的吸力,所以在纤维层的内部也能渗入粘合剂,喷洒粘合剂后的纤维层再经过烘燥、固化,使纤维间的交接点被粘接,而未被彼此粘接的纤维,仍有相当大的自由度。同时,在三维网状结构中,仍保留有许多容有空气的空隙。因此,纤维层具有多孔性、高蓬松性的保暖作用。
然而现有的多数无胶棉作为冬装填充物,经过长时间的使用,由于人体潮气没有及时排出致使棉体容易滋生细菌,尤其对一些抵抗能力弱的婴幼儿或孕妇使用时,容易引起皮肤过敏现象。然而现有技术中的喷胶棉或无胶棉生产工艺中没有添加抗菌剂,所以现有技术中的喷胶棉或无胶棉不具备抗菌、防螨等功能,然而再添加抗菌剂后,降低了其蓬松度、回复率、压缩率等性能。
发明内容
本发明所要解决的技术问题:针对现有的无胶棉不具备抑菌的性能,而添加了抗菌剂后,影响了其蓬松度和回复率等性能的问题,本发明首先将青竹粉进行蒸汽爆破处理后,分别用去离子水、过氧化氢溶液和氢氧化钠溶液进行浸泡和水浴加热,干燥制得青竹纤维,再以八甲基环四硅氧烷、六甲基二硅氧烷为原料,与硅烷偶联剂进行混合,并加入氢氧化钾溶液,制得到氨基硅油,接着利用乳化剂进行乳化,得到氨基硅油乳液作为蓬松剂,最后将青竹纤维和短纤进行配料、开松和铺网后,将氨基硅油乳液喷涂于其表面,即可得到抗菌无胶棉。本发明制备的抗菌无胶棉抑菌率高,且不会影响影响无胶棉的蓬松度、回复率、压缩率等性能。
为解决上述技术问题,本发明采用的技术方案是:
(1)称取3~5kg青竹,将其切片后加入粉碎机中粉碎,过200目筛,将过筛后的青竹粉装入蒸汽爆破罐中,加热至100~110℃,向蒸汽爆破罐中通入水蒸气至罐内压力为1.7~2.0MPa,保持压力3~5min后,打开蒸汽爆破罐阀门泄压,减压至常压后取出青竹粉,得蒸汽爆破处理青竹粉;
(2)称取300~500g上述蒸汽爆破处理青竹粉,将其浸泡在500~800mL温度为80~90℃去离子水中40~50min,过滤,将滤渣转入300~500mL质量分数为10%过氧化氢溶液中,在70~75℃恒温水浴下,反应1~2h,真空抽滤,将滤饼浸泡在100~200mL质量分数为2%氢氧化钠溶液中,在80~85℃恒温水浴下,浸提3~4h,经离心机离心分离,收集沉淀物,并用质量分数为50%乙醇溶液洗涤沉淀物至洗涤液呈中性,转入105~110℃干燥箱中干燥至恒重,得青竹纤维,备用;
(3)称量100~120mL八甲基环四硅氧烷,0.10~0.12mL六甲基二硅氧烷,1~3g硅烷偶联剂KH-602,0.5~0.8g硅烷偶联剂GP-108,1~2g硅烷偶联剂GP-103,加入反应釜中,以300~500r/min搅拌混合均匀,加入10~20mL质量分数为50%氢氧化钾溶液,加热至110~120℃,反应2~3h,冷却至室温,得氨基硅油;
(4)量取90~100mL上述氨基硅油,加入高剪切乳化机中,添加1~3g乳化剂OP-10,以6000~8000r/min搅拌5~8min后,加入3~4L去离子水,继续搅拌10~20min,并用冰醋酸调节pH为5.0~5.5,得氨基硅油乳液;
(5)称取60~65g涤纶短纤,20~25gES短纤,10~20g步骤(2)制备的青竹纤维,通过多层平铺混合进行配料,将混合后的配料送入开松机中开松,通过梳棉机梳理后铺网,并用800~1000mL上述氨基硅油乳液以5~10mL/min均匀喷涂,转入烘箱中,在160~180℃下烘烤20~40s,出料后经辊压成卷并包装,得抗菌无胶棉。
本发明制备的抗菌无胶棉压缩率≥72%,回复率≥85%,保温率≥78%,蓬松度比容>8cm3/g,其抑菌率≥39%。
本发明与其他方法相比,有益技术效果是:
(1)本发明制备的抗菌无胶棉抗菌效果好,抑菌率≥39%,可广泛适于抵抗能力弱的婴幼儿或孕妇使用;
(2)本发明制备的抗菌无胶棉其蓬松度、回复率、压缩率等性能优越,可进行产业化生产;
(3)本发明制备步骤简单,所需成本低。
具体实施方式
首先称取3~5kg青竹,将其切片后加入粉碎机中粉碎,过200目筛,将过筛后的青竹粉装入蒸汽爆破罐中,加热至100~110℃,向蒸汽爆破罐中通入水蒸气至罐内压力为1.7~2.0MPa,保持压力3~5min后,打开蒸汽爆破罐阀门泄压,减压至常压后取出青竹粉,得蒸汽爆破处理青竹粉;再称取300~500g上述蒸汽爆破处理青竹粉,将其浸泡在500~800mL温度为80~90℃去离子水中40~50min,过滤,将滤渣转入300~500mL质量分数为10%过氧化氢溶液中,在70~75℃恒温水浴下,反应1~2h,真空抽滤,将滤饼浸泡在100~200mL质量分数为2%氢氧化钠溶液中,在80~85℃恒温水浴下,浸提3~4h,经离心机离心分离,收集沉淀物,并用质量分数为50%乙醇溶液洗涤沉淀物至洗涤液呈中性,转入105~110℃干燥箱中干燥至恒重,得青竹纤维,备用;接着称量100~120mL八甲基环四硅氧烷,0.10~0.12mL六甲基二硅氧烷,1~3g硅烷偶联剂KH-602,0.5~0.8g硅烷偶联剂GP-108,1~2g硅烷偶联剂GP-103,加入反应釜中,以300~500r/min搅拌混合均匀,加入10~20mL质量分数为50%氢氧化钾溶液,加热至110~120℃,反应2~3h,冷却至室温,得氨基硅油;再量取90~100mL上述氨基硅油,加入高剪切乳化机中,添加1~3g乳化剂OP-10,以6000~8000r/min搅拌5~8min后,加入3~4L去离子水,继续搅拌10~20min,并用冰醋酸调节pH为5.0~5.5,得氨基硅油乳液;最后称取60~65g涤纶短纤,20~25gES短纤,10~20g制备的青竹纤维,通过多层平铺混合进行配料,将混合后的配料送入开松机中开松,通过梳棉机梳理后铺网,并用800~1000mL上述氨基硅油乳液以5~10mL/min均匀喷涂,转入烘箱中,在160~180℃下烘烤20~40s,出料后经辊压成卷并包装,得抗菌无胶棉。
实例1
首先称取5kg青竹,将其切片后加入粉碎机中粉碎,过200目筛,将过筛后的青竹粉装入蒸汽爆破罐中,加热至110℃,向蒸汽爆破罐中通入水蒸气至罐内压力为12.0MPa,保持压力5min后,打开蒸汽爆破罐阀门泄压,减压至常压后取出青竹粉,得蒸汽爆破处理青竹粉;再称取500g上述蒸汽爆破处理青竹粉,将其浸泡在800mL温度为90℃去离子水中50min,过滤,将滤渣转入500mL质量分数为10%过氧化氢溶液中,在75℃恒温水浴下,反应2h,真空抽滤,将滤饼浸泡在200mL质量分数为2%氢氧化钠溶液中,在85℃恒温水浴下,浸提4h,经离心机离心分离,收集沉淀物,并用质量分数为50%乙醇溶液洗涤沉淀物至洗涤液呈中性,转入110℃干燥箱中干燥至恒重,得青竹纤维,备用;接着称量120mL八甲基环四硅氧烷,0.12mL六甲基二硅氧烷,3g硅烷偶联剂KH-602,0.8g硅烷偶联剂GP-108,2g硅烷偶联剂GP-103,加入反应釜中,以500r/min搅拌混合均匀,加入20mL质量分数为50%氢氧化钾溶液,加热至120℃,反应3h,冷却至室温,得氨基硅油;再量取100mL上述氨基硅油,加入高剪切乳化机中,添加3g乳化剂OP-10,以8000r/min搅拌8min后,加入4L去离子水,继续搅拌20min,并用冰醋酸调节pH为5.5,得氨基硅油乳液;最后称取65g涤纶短纤,25gES短纤,20g制备的青竹纤维,通过多层平铺混合进行配料,将混合后的配料送入开松机中开松,通过梳棉机梳理后铺网,并用1000mL上述氨基硅油乳液以10mL/min均匀喷涂,转入烘箱中,在180℃下烘烤40s,出料后经辊压成卷并包装,得抗菌无胶棉。经检测,本发明制备的抗菌无胶棉压缩率为72%,回复率为85%,保温率为78%,蓬松度比容为8.2cm3/g,其抑菌率为39%。
实例2
首先称取3kg青竹,将其切片后加入粉碎机中粉碎,过200目筛,将过筛后的青竹粉装入蒸汽爆破罐中,加热至100℃,向蒸汽爆破罐中通入水蒸气至罐内压力为1.7MPa,保持压力3min后,打开蒸汽爆破罐阀门泄压,减压至常压后取出青竹粉,得蒸汽爆破处理青竹粉;再称取300g上述蒸汽爆破处理青竹粉,将其浸泡在500mL温度为80℃去离子水中40min,过滤,将滤渣转入300mL质量分数为10%过氧化氢溶液中,在70℃恒温水浴下,反应1h,真空抽滤,将滤饼浸泡在100mL质量分数为2%氢氧化钠溶液中,在80℃恒温水浴下,浸提3h,经离心机离心分离,收集沉淀物,并用质量分数为50%乙醇溶液洗涤沉淀物至洗涤液呈中性,转入105℃干燥箱中干燥至恒重,得青竹纤维,备用;接着称量100mL八甲基环四硅氧烷,0.10mL六甲基二硅氧烷,1g硅烷偶联剂KH-602,0.5g硅烷偶联剂GP-108,1g硅烷偶联剂GP-103,加入反应釜中,以300r/min搅拌混合均匀,加入10mL质量分数为50%氢氧化钾溶液,加热至110℃,反应2h,冷却至室温,得氨基硅油;再量取90mL上述氨基硅油,加入高剪切乳化机中,添加1g乳化剂OP-10,以6000r/min搅拌5min后,加入3L去离子水,继续搅拌10min,并用冰醋酸调节pH为5.0,得氨基硅油乳液;最后称取60g涤纶短纤,20gES短纤,10g制备的青竹纤维,通过多层平铺混合进行配料,将混合后的配料送入开松机中开松,通过梳棉机梳理后铺网,并用800mL上述氨基硅油乳液以5mL/min均匀喷涂,转入烘箱中,在160℃下烘烤20s,出料后经辊压成卷并包装,得抗菌无胶棉。经检测,本发明制备的抗菌无胶棉压缩率为73%,回复率为86%,保温率为79%,蓬松度比容为9cm3/g,其抑菌率为40%。
实例3
首先称取4kg青竹,将其切片后加入粉碎机中粉碎,过200目筛,将过筛后的青竹粉装入蒸汽爆破罐中,加热至105℃,向蒸汽爆破罐中通入水蒸气至罐内压力为1.8MPa,保持压力4min后,打开蒸汽爆破罐阀门泄压,减压至常压后取出青竹粉,得蒸汽爆破处理青竹粉;再称取400g上述蒸汽爆破处理青竹粉,将其浸泡在600mL温度为85℃去离子水中45min,过滤,将滤渣转入400mL质量分数为10%过氧化氢溶液中,在72℃恒温水浴下,反应1h,真空抽滤,将滤饼浸泡在150mL质量分数为2%氢氧化钠溶液中,在82℃恒温水浴下,浸提4h,经离心机离心分离,收集沉淀物,并用质量分数为50%乙醇溶液洗涤沉淀物至洗涤液呈中性,转入107℃干燥箱中干燥至恒重,得青竹纤维,备用;接着称量115mL八甲基环四硅氧烷,0.11mL六甲基二硅氧烷,2g硅烷偶联剂KH-602,0.7g硅烷偶联剂GP-108,1g硅烷偶联剂GP-103,加入反应釜中,以400r/min搅拌混合均匀,加入15mL质量分数为50%氢氧化钾溶液,加热至115℃,反应2h,冷却至室温,得氨基硅油;再量取95mL上述氨基硅油,加入高剪切乳化机中,添加2g乳化剂OP-10,以7000r/min搅拌7min后,加入3L去离子水,继续搅拌15min,并用冰醋酸调节pH为5.2,得氨基硅油乳液;最后称取62g涤纶短纤,22gES短纤,15g制备的青竹纤维,通过多层平铺混合进行配料,将混合后的配料送入开松机中开松,通过梳棉机梳理后铺网,并用900mL上述氨基硅油乳液以7mL/min均匀喷涂,转入烘箱中,在170℃下烘烤30s,出料后经辊压成卷并包装,得抗菌无胶棉。经检测,本发明制备的抗菌无胶棉压缩率为74%,回复率为87%,保温率为80%,蓬松度比容为8.5cm3/g,其抑菌率为41%。

Claims (1)

1.一种抗菌无胶棉的制备方法,其特征在于具体制备步骤为:
(1)称取3~5kg青竹,将其切片后加入粉碎机中粉碎,过200目筛,将过筛后的青竹粉装入蒸汽爆破罐中,加热至100~110℃,向蒸汽爆破罐中通入水蒸气至罐内压力为1.7~2.0MPa,保持压力3~5min后,打开蒸汽爆破罐阀门泄压,减压至常压后取出青竹粉,得蒸汽爆破处理青竹粉;
(2)称取300~500g上述蒸汽爆破处理青竹粉,将其浸泡在500~800mL温度为80~90℃去离子水中40~50min,过滤,将滤渣转入300~500mL质量分数为10%过氧化氢溶液中,在70~75℃恒温水浴下,反应1~2h,真空抽滤,将滤饼浸泡在100~200mL质量分数为2%氢氧化钠溶液中,在80~85℃恒温水浴下,浸提3~4h,经离心机离心分离,收集沉淀物,并用质量分数为50%乙醇溶液洗涤沉淀物至洗涤液呈中性,转入105~110℃干燥箱中干燥至恒重,得青竹纤维,备用;
(3)称量100~120mL八甲基环四硅氧烷,0.10~0.12mL六甲基二硅氧烷,1~3g硅烷偶联剂KH-602,0.5~0.8g硅烷偶联剂GP-108,1~2g硅烷偶联剂GP-103,加入反应釜中,以300~500r/min搅拌混合均匀,加入10~20mL质量分数为50%氢氧化钾溶液,加热至110~120℃,反应2~3h,冷却至室温,得氨基硅油;
(4)量取90~100mL上述氨基硅油,加入高剪切乳化机中,添加1~3g乳化剂OP-10,以6000~8000r/min搅拌5~8min后,加入3~4L去离子水,继续搅拌10~20min,并用冰醋酸调节pH为5.0~5.5,得氨基硅油乳液;
(5)称取60~65g涤纶短纤,20~25gES短纤,10~20g步骤(2)制备的青竹纤维,通过多层平铺混合进行配料,将混合后的配料送入开松机中开松,通过梳棉机梳理后铺网,并用800~1000mL上述氨基硅油乳液以5~10mL/min均匀喷涂,转入烘箱中,在160~180℃下烘烤20~40s,出料后经辊压成卷并包装,得抗菌无胶棉。
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Application publication date: 20170104