CN108360248A - 一种医学用吸水能力强的棉纱布的制备方法 - Google Patents
一种医学用吸水能力强的棉纱布的制备方法 Download PDFInfo
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Abstract
本发明涉及医用棉纱布技术领域,且公开了一种医学用吸水能力强的棉纱布的制备方法,其特征在于,包括以下步骤:S1、对棉纱布进行膨化预处理;S2、对预处理后的棉纱布进行羧甲基化改性处理:采用氢氧化钠与氯乙酸进行羧甲基化改性处理,氢氧化钠与氯乙酸的摩尔比为2~3:1,氯乙酸与棉纱布的质量比为1.5~2:1;S3、一次水洗:用水洗涤3~5次;该医学用吸水能力强的棉纱布的制备方法,通过进行高吸水处理,使得本发明制备的医用纱布吸水性能更好,吸水率达到400%以上,能够为伤口提供潮湿的环境,使得纱布在从伤口上去除的时候,不容易拉伤皮肤,不会造成二次出血,使得不会造成伤口的二次粘连,不便于进行使用。
Description
技术领域
本发明涉及医用棉纱布技术领域,具体为一种医学用吸水能力强的棉纱布的制备方法。
背景技术
纱布,是一种经纬稀疏的棉织品。属纺织原料,布类,特点是稀疏,有明显的网格。
纱布品种多样、用途广泛。下面以纱布种类、品种为线索一一说明:纱布纱布(17张)1、纯棉纱布(也作全棉纱布),主要用于棉被、蚕丝被里料,包棉胎。也可脱脂后医用,上浆定型后工业用。2、全棉漂白纱布(也作增白纱布或加白纱布),由于人们生活条件提高了,崇尚健康。全棉漂白纱布经漂白加软工艺处理,天然、纯白、舒适、环保,是做棉被、蚕丝被首选里料,也可做口罩。3、脱脂纱布,主要用于医用绷带,药布、橡皮膏等。4,口罩纱布,做口罩用,有卷装(大卷)或匹装,适应厂家不同裁剪方式的需要。5、蚊帐纱布,做蚊帐用。6、竹帘凉席纱布,此纱布为纯化纤纱布,强力大,用于竹帘凉席底布。7、上浆定型纱布,用于洗碗巾、鹿皮巾制作、地毯、人造革制作等。8、豆包纱布,采用纯棉21支或32支纱织造,用于做豆腐包。9、双层纱布,用纯棉纱织造,用于做婴儿尿布、面巾、餐巾及产后束缚、肥胖收腹的腹带纱布等。10,鬼节纱布,多种颜色的稀纱布,用于鬼节时悬挂在窗户上或做成各色的不规则服装用来吓鬼。11,苗木花卉移植包根纱布,用于苗木花卉移栽时包苗木树根土用。12,稀网纱布,稀疏网格大跟渔网差不多,卷装,用于打被套、装饰材料、墙体装修或工业用。13,书籍装帧纱布,全棉漂白上浆定型,用于书籍装帧。14,棉花包皮布(也叫棉花包装布或棉花打包布)。用10支纱织造,分全棉包皮、涤棉包皮布。15,蔬菜大棚被布。附注:纱是用棉、麻等物纺的比较松的单根丝,可以捻线、织布。工业上的砂布,其他名称:铁砂布、金刚砂布、刚玉纱布、干磨纱布。
作为一种天然纤维素纤维,棉制品不仅以其优良的服用性能深受人们喜爱,而且以其与人体极好的亲和性,成为广泛应用的医用基材之一。医用棉纱布是国内外广泛使用的产品,供清洁皮肤或创面、吸收手术过程中的体内渗出液、与创面护理常用药物一起使用及手术过程中支撑器官、组织等,国内企业生产的医用棉纱布在临床上已得到广泛应用,社会效益和经济效益明显。
但是然而,目前使用的医用棉纱布的耐微生物性能较差,并且在与水接触后,普通的纱布中的纤维只有轻微的膨胀,吸收能力有限,无法为伤口提供潮湿的环境,并且在从伤口上去除纱布时,很容易拉伤皮肤,造成二次出血,不便于进行使用。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明提供了一种医学用吸水能力强的棉纱布的制备方法,具备吸水能力强、不易造成二次出血和方便进行使用等优点,解决了在与水接触后,普通的纱布中的纤维只有轻微的膨胀,吸收能力有限,无法为伤口提供潮湿的环境,并且在从伤口上去除纱布时,很容易拉伤皮肤,造成二次出血,不便于进行使用的问题。
(二)技术方案
为实现上述目的,本发明提供如下技术方案:一种医学用吸水能力强的棉纱布的制备方法,其特征在于,包括以下步骤:
S1、对棉纱布进行膨化预处理;
S2、对预处理后的棉纱布进行羧甲基化改性处理:采用氢氧化钠与氯乙酸进行羧甲基化改性处理,氢氧化钠与氯乙酸的摩尔比为2~3:1,氯乙酸与棉纱布的质量比为1.5~2:1;
S3、一次水洗:用水洗涤3~5次;
S4、对一次水洗后的棉纱布进行交联改性处理:按质量比3:1,将质量分数10%氢氧化钠溶液与质量分数8%氯乙酸溶液搅拌混合,在50℃~55℃下水浴加热12~18min,制备得改性混合液,随后按质量比1:25,将医用脱脂棉纱布浸渍至改性混合液中,浸泡4~4.5h;
S5、待浸泡完成后,用冰醋酸调节pH至中性,随后静置6~8h,待静置完成后,过滤并收集滤饼,分别用无水乙醇和去离子水洗涤滤饼3~5次,在65~70℃下干燥6~8h,制备得改性棉纱布;
S6、二次水洗:用水洗涤4~6次;
S7、对于二次水洗后的棉纱布进行高吸水处理:按质量比1:4,将胶原蛋白粉末与乙酸乙酯搅拌混合,在400~450W下超声分散10~20min,收集得蛋白分散液,随后按质量比1:8,将S5制备的改性棉纱布与蛋白分散液搅拌混合;
S8、挤水:对多次水洗后的棉纱布的进行挤水,使棉纱布的含水量为其重量的8~15%;
S9、烘干:挤水后的棉纱布在100℃~110℃的条件下进行烘焙,140℃~150℃下进行烘干;
S10、静置:烘干后的棉纱布静置5~10min后即可制备成棉纱布;
优选的,所述的棉纱布面料采用涤纶机织物或针织物、锦纶机织物或针织物、丙纶机织物或针织物中的一种。
优选的,所述S2的羧甲基化改性处理的处理时间60~180min。
优选的,所述一次水洗和二次水洗的温度均为35℃。
优选的,所述S9的烘焙时间为1min~2min。
优选的,所述S9的烘干时间为1min~2min。
(三)有益效果
与现有技术相比,本发明提供了一种医学用吸水能力强的棉纱布的制备方法,具备以下有益效果:
1、该医学用吸水能力强的棉纱布的制备方法,通过进行高吸水处理,使得本发明制备的医用纱布吸水性能更好,吸水率达到400%以上,能够为伤口 提供潮湿的环境,使得纱布在从伤口上去除的时候,不容易拉伤皮肤,不会造成二次出血,使得不会造成伤口的二次粘连,不便于进行使用。
2、该医学用吸水能力强的棉纱布的制备方法,通过进行水洗、挤水、烘干和静置操作,使得使棉纱布既不含酸也不含碱,便于医护人员使用,并且在使用的时候,不会给患者造成不必要的伤害,不会出现感染的情况。
具体实施方式
下面将结合本发明的实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例一:
一种医学用吸水能力强的棉纱布的制备方法,包括以下步骤:
S1、对棉纱布进行膨化预处理;
S2、对预处理后的棉纱布进行羧甲基化改性处理:采用氢氧化钠与氯乙酸进行羧甲基化改性处理,氢氧化钠与氯乙酸的摩尔比为2:1,氯乙酸与棉纱布的质量比为1.5:1,棉纱布面料采用涤纶机织物或针织物、锦纶机织物或针织物、丙纶机织物或针织物中的一种,羧甲基化改性处理的处理时间60min;
S3、一次水洗:用水洗涤3次;
S4、对一次水洗后的棉纱布进行交联改性处理:按质量比3:1,将质量分数10%氢氧化钠溶液与质量分数8%氯乙酸溶液搅拌混合,在50℃下水浴加热12min,制备得改性混合液,随后按质量比1:25,将医用脱脂棉纱布浸渍至改性混合液中,浸泡4h;
S5、待浸泡完成后,用冰醋酸调节pH至中性,随后静置6h,待静置完成后,过滤并收集滤饼,分别用无水乙醇和去离子水洗涤滤饼3次,在65℃下干燥6h,制备得改性棉纱布;
S6、二次水洗:用水洗涤4次,一次水洗和二次水洗的温度均为35℃;
S7、对于二次水洗后的棉纱布进行高吸水处理:按质量比1:4,将胶原蛋白粉末与乙酸乙酯搅拌混合,在40W下超声分散10min,收集得蛋白分散液,随后按质量比1:8,将S5制备的改性棉纱布与蛋白分散液搅拌混合;
S8、挤水:对多次水洗后的棉纱布的进行挤水,使棉纱布的含水量为其重量的8%;
S9、烘干:挤水后的棉纱布在100℃的条件下进行烘焙,烘焙时间为1min,140℃下进行烘干,烘干时间为1min;
S10、静置:烘干后的棉纱布静置5min后即可制备成棉纱布。
1、该医学用吸水能力强的棉纱布的制备方法,通过进行高吸水处理,使得本发明制备的医用纱布吸水性能更好,吸水率达到400%以上,能够为伤口 提供潮湿的环境,使得纱布在从伤口上去除的时候,不容易拉伤皮肤,不会造成二次出血,使得不会造成伤口的二次粘连,不便于进行使用。
2、该医学用吸水能力强的棉纱布的制备方法,通过进行水洗、挤水、烘干和静置操作,使得使棉纱布既不含酸也不含碱,便于医护人员使用,并且在使用的时候,不会给患者造成不必要的伤害,不会出现感染的情况。
实施例二:
一种医学用吸水能力强的棉纱布的制备方法,包括以下步骤:
S1、对棉纱布进行膨化预处理;
S2、对预处理后的棉纱布进行羧甲基化改性处理:采用氢氧化钠与氯乙酸进行羧甲基化改性处理,氢氧化钠与氯乙酸的摩尔比为3:1,氯乙酸与棉纱布的质量比为2:1,棉纱布面料采用涤纶机织物或针织物、锦纶机织物或针织物、丙纶机织物或针织物中的一种,羧甲基化改性处理的处理时间180min;
S3、一次水洗:用水洗涤5次;
S4、对一次水洗后的棉纱布进行交联改性处理:按质量比3:1,将质量分数10%氢氧化钠溶液与质量分数8%氯乙酸溶液搅拌混合,在55℃下水浴加热18min,制备得改性混合液,随后按质量比1:25,将医用脱脂棉纱布浸渍至改性混合液中,浸泡4.5h;
S5、待浸泡完成后,用冰醋酸调节pH至中性,随后静置8h,待静置完成后,过滤并收集滤饼,分别用无水乙醇和去离子水洗涤滤饼5次,在70℃下干燥8h,制备得改性棉纱布;
S6、二次水洗:用水洗涤6次,一次水洗和二次水洗的温度均为35℃;
S7、对于二次水洗后的棉纱布进行高吸水处理:按质量比1:4,将胶原蛋白粉末与乙酸乙酯搅拌混合,在450W下超声分散20min,收集得蛋白分散液,随后按质量比1:8,将S5制备的改性棉纱布与蛋白分散液搅拌混合;
S8、挤水:对多次水洗后的棉纱布的进行挤水,使棉纱布的含水量为其重量的15%;
S9、烘干:挤水后的棉纱布在110℃的条件下进行烘焙,烘焙时间为2min,150℃下进行烘干,烘干时间为2min;
S10、静置:烘干后的棉纱布静置10min后即可制备成棉纱布。
1、该医学用吸水能力强的棉纱布的制备方法,通过进行高吸水处理,使得本发明制备的医用纱布吸水性能更好,吸水率达到400%以上,能够为伤口 提供潮湿的环境,使得纱布在从伤口上去除的时候,不容易拉伤皮肤,不会造成二次出血,使得不会造成伤口的二次粘连,不便于进行使用。
2、该医学用吸水能力强的棉纱布的制备方法,通过进行水洗、挤水、烘干和静置操作,使得使棉纱布既不含酸也不含碱,便于医护人员使用,并且在使用的时候,不会给患者造成不必要的伤害,不会出现感染的情况
医用脱脂纱布在产品技术指标直接采用YY0331-2006《脱脂棉纱布、脱脂棉粘胶混纺纱布的性能要求和试验方法》国家医药行业标准要求,从产品材质、结构组成、预期用途、生产工艺等方面直接采纳行标。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (6)
1.一种医学用吸水能力强的棉纱布的制备方法,其特征在于,包括以下步骤:
S1、对棉纱布进行膨化预处理;
S2、对预处理后的棉纱布进行羧甲基化改性处理:采用氢氧化钠与氯乙酸进行羧甲基化改性处理,氢氧化钠与氯乙酸的摩尔比为2~3:1,氯乙酸与棉纱布的质量比为1.5~2:1;
S3、一次水洗:用水洗涤3~5次;
S4、对一次水洗后的棉纱布进行交联改性处理:按质量比3:1,将质量分数10%氢氧化钠溶液与质量分数8%氯乙酸溶液搅拌混合,在50℃~55℃下水浴加热12~18min,制备得改性混合液,随后按质量比1:25,将医用脱脂棉纱布浸渍至改性混合液中,浸泡4~4.5h;
S5、待浸泡完成后,用冰醋酸调节pH至中性,随后静置6~8h,待静置完成后,过滤并收集滤饼,分别用无水乙醇和去离子水洗涤滤饼3~5次,在65~70℃下干燥6~8h,制备得改性棉纱布;
S6、二次水洗:用水洗涤4~6次;
S7、对于二次水洗后的棉纱布进行高吸水处理:按质量比1:4,将胶原蛋白粉末与乙酸乙酯搅拌混合,在400~450W下超声分散10~20min,收集得蛋白分散液,随后按质量比1:8,将S5制备的改性棉纱布与蛋白分散液搅拌混合;
S8、挤水:对多次水洗后的棉纱布的进行挤水,使棉纱布的含水量为其重量的8~15%;
S9、烘干:挤水后的棉纱布在100℃~110℃的条件下进行烘焙,140℃~150℃下进行烘干;
S10、静置:烘干后的棉纱布静置5~10min后即可制备成棉纱布。
2.根据权利要求1所述的一种医学用吸水能力强的棉纱布的制备方法,其特征在于:所述的棉纱布面料采用涤纶机织物或针织物、锦纶机织物或针织物、丙纶机织物或针织物中的一种。
3.根据权利要求1所述的一种医学用吸水能力强的棉纱布的制备方法,其特征在于:所述S2的羧甲基化改性处理的处理时间60~180min。
4.根据权利要求1所述的一种医学用吸水能力强的棉纱布的制备方法,其特征在于:所述一次水洗和二次水洗的温度均为35℃。
5.根据权利要求1所述的一种医学用吸水能力强的棉纱布的制备方法,其特征在于:所述S9的烘焙时间为1min~2min。
6.根据权利要求1所述的一种医学用吸水能力强的棉纱布的制备方法,其特征在于:所述S9的烘干时间为1min~2min。
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