CN106362192B - 一种海藻纤维医用纱布的制备方法 - Google Patents
一种海藻纤维医用纱布的制备方法 Download PDFInfo
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Abstract
本发明涉及医疗纱布技术领域，尤其是一种海藻纤维医用纱布的制备方法；该医用纱布由海藻纤维和棉纤维混纺而成，海藻纤维与棉纤维的重量比为0.3‑0.8:1；制备方法如下：(1)海藻纤维的制备；(2)棉纤维的制备；(3)将原料进行抗菌处理，然后制成纱布坯布；(4)将步骤(3)中制得的纱布坯布浸入退煮漂联合机的热水槽中，水清洗1h；(5)再将上述坯布用温度为105‑110℃清水煮50‑60min，出布，脱水，115‑125℃烘干得到海藻纤维医用纱布；本发明的海藻纤维医用纱布的制备方法，工艺简单，生产成本低，生产过程中不会产生污染物，绿色环保，制得的海藻纤维医用纱布具有较好的柔软度，使用舒适度高，而且具有较好的抗菌效果，使用过程中不会滋生细菌，使用安全。
Description
技术领域
本发明涉及医疗纱布技术领域，尤其是一种海藻纤维医用纱布的制备方法。
背景技术
海藻纤维是以海洋棕色藻类植物中提取得到的海藻酸钠为原料，以含有二价金属阳离子(镁离子除外，一般为钙离子)的溶液为凝固浴，经过湿法纺丝技术加工而成的一种再生纤维。海藻纤维具有高吸湿成胶性、整体易去除性、高透氧性、生物相容性、生物降解吸收性等优异特性。此外，海藻纤维与伤口渗出液或渗血接触后，能与渗液发生Na+/Ca2+离子交换，释放Ca2+，加速凝血过程，同时在创口表面形成一层稳定的网状凝胶，为伤口营造一个利于组织生长的微环境(微酸、无氧或低氧、适度湿润)，进而促进伤口愈合。并且创面形成的水凝胶体能有效保护神经末稍，避免外界刺激，减少伤口疼痛和伤疤的形成。因此，海藻纤维在医疗行业作为医用敷料、纱布、绷带、药贴、药垫等已得到越来越广泛的关注。
发明内容
本发明的目的是：提供一种海藻纤维医用纱布的制备方法，该制备方法工艺简单、生产成本低。
为解决上述技术问题，本发明采用的技术方案如下：
一种海藻纤维医用纱布的制备方法，该医用纱布由海藻纤维和棉纤维混纺而成，所述海藻纤维与棉纤维的重量比为0.3-0.8:1；制备方法如下：
(1)海藻纤维的制备：将海藻酸钠加入去离子水中，常温搅拌，直至完全溶解，得到质量百分比为2.4-3.6的海藻酸钠溶液，在海藻酸钠溶液中加入纳米银颗粒，搅拌均匀，制成混合纺丝液，海藻酸钠溶液与纳米银颗粒的质量比为1:0.2-0.6；然后采用湿法纺丝技术制备海藻纤维，凝固浴后拉伸卷绕，自然晾干，得到海藻纤维；
(2)棉纤维的制备：将脱脂并已洗净的棉纤维先进行膨化预处理，然后进行羧甲基化改性处理，再加入可溶性银盐，在28-55℃下恒温反应1h，加入稳定剂在28-55℃下恒温反应30min，最后将处理过的棉纤维依次经表面活性剂洗涤、钝化，再经清水漂洗、脱水、烘干即得到棉纤维；
(3)将步骤(1)和步骤(2)中得到的原料进行抗菌处理，然后制成纱布坯布；
(4)将步骤(3)中制得的纱布坯布浸入退煮漂联合机的热水槽中，浴比为1:32-36，先用100-110℃的水清洗30min，再降低温度5℃，水清洗1h；
(5)再将上述坯布用温度为105-110℃清水煮50-60min，再加入亲水柔软剂、纤维酶继续煮30min，出布，脱水，115-125℃烘干得到海藻纤维医用纱布。
进一步的，所述步骤(1)中凝固浴的温度为30-50℃。
进一步的，所述步骤(2)中羧甲基化率为1-30％。
进一步的，所述步骤(3)中的抗菌处理如下：将水洗后的棉纱布放入浴比1:30的水中，加入棉纱布重量的6-7.8％的抗菌剂，然后升高温度至约50-55℃，处理时间2h。
进一步的，所述抗菌剂选用花椒果实的水提取物、头翁的水提取物和青苔的水提取物的混合物，其质量比为1:1.2:0.6-0.8。
进一步的，所述抗菌剂选用花椒果实的水提取物、头翁的水提取物和青苔的水提取物的质量比为1:1.2:0.8。
采用本发明的技术方案的有益效果是：
本发明的海藻纤维医用纱布的制备方法，工艺简单，生产成本低，生产过程中不会产生污染物，绿色环保，制得的海藻纤维医用纱布具有较好的柔软度，使用舒适度高，而且具有较好的抗菌效果，使用过程中不会滋生细菌，使用安全。
具体实施方式
下面结合具体实施方式对本发明作进一步说明。
实施例1
一种海藻纤维医用纱布的制备方法，该医用纱布由海藻纤维和棉纤维混纺而成，所述海藻纤维与棉纤维的重量比为0.3:1；制备方法如下：
(1)海藻纤维的制备：将海藻酸钠加入去离子水中，常温搅拌，直至完全溶解，得到质量百分比为2.4的海藻酸钠溶液，在海藻酸钠溶液中加入纳米银颗粒，搅拌均匀，制成混合纺丝液，海藻酸钠溶液与纳米银颗粒的质量比为1:0.2；然后采用湿法纺丝技术制备海藻纤维，凝固浴后拉伸卷绕，自然晾干，得到海藻纤维，凝固浴的温度为30℃
(2)棉纤维的制备：将脱脂并已洗净的棉纤维先进行膨化预处理，然后进行羧甲基化改性处理，再加入可溶性银盐，在28℃下恒温反应1h，加入稳定剂在28℃下恒温反应30min，最后将处理过的棉纤维依次经表面活性剂洗涤、钝化，再经清水漂洗、脱水、烘干即得到棉纤维，羧甲基化率为1％。
(3)将步骤(1)和步骤(2)中得到的原料进行抗菌处理，将水洗后的棉纱布放入浴比1:30的水中，加入棉纱布重量的6％的抗菌剂，抗菌剂选用花椒果实的水提取物、头翁的水提取物和青苔的水提取物的混合物，其质量比为1:1.2:0.6；
然后升高温度至约50℃，处理时间2h，然后制成纱布坯布；
(4)将步骤(3)中制得的纱布坯布浸入退煮漂联合机的热水槽中，浴比为1:32，先用100℃的水清洗30min，再降低温度5℃，水清洗1h；
(5)再将上述坯布用温度为105℃清水煮50min，再加入亲水柔软剂、纤维酶继续煮30min，出布，脱水，115℃烘干得到海藻纤维医用纱布。
实施例2
一种海藻纤维医用纱布的制备方法，该医用纱布由海藻纤维和棉纤维混纺而成，所述海藻纤维与棉纤维的重量比为0.5:1；制备方法如下：
(1)海藻纤维的制备：将海藻酸钠加入去离子水中，常温搅拌，直至完全溶解，得到质量百分比为3的海藻酸钠溶液，在海藻酸钠溶液中加入纳米银颗粒，搅拌均匀，制成混合纺丝液，海藻酸钠溶液与纳米银颗粒的质量比为1:0.4；然后采用湿法纺丝技术制备海藻纤维，凝固浴后拉伸卷绕，自然晾干，得到海藻纤维，凝固浴的温度为40℃
(2)棉纤维的制备：将脱脂并已洗净的棉纤维先进行膨化预处理，然后进行羧甲基化改性处理，再加入可溶性银盐，在40℃下恒温反应1h，加入稳定剂在40℃下恒温反应30min，最后将处理过的棉纤维依次经表面活性剂洗涤、钝化，再经清水漂洗、脱水、烘干即得到棉纤维，羧甲基化率为25％。
(3)将步骤(1)和步骤(2)中得到的原料进行抗菌处理，将水洗后的棉纱布放入浴比1:30的水中，加入棉纱布重量的6.5％的抗菌剂，抗菌剂选用花椒果实的水提取物、头翁的水提取物和青苔的水提取物的混合物，其质量比为1:1.2:0.8；
然后升高温度至约55℃，处理时间2h，然后制成纱布坯布；
(4)将步骤(3)中制得的纱布坯布浸入退煮漂联合机的热水槽中，浴比为1:33，先用105℃的水清洗30min，再降低温度5℃，水清洗1h；
(5)再将上述坯布用温度为108℃清水煮55min，再加入亲水柔软剂、纤维酶继续煮30min，出布，脱水，120℃烘干得到海藻纤维医用纱布。
实施例3
一种海藻纤维医用纱布的制备方法，该医用纱布由海藻纤维和棉纤维混纺而成，所述海藻纤维与棉纤维的重量比为0.8:1；制备方法如下：
(1)海藻纤维的制备：将海藻酸钠加入去离子水中，常温搅拌，直至完全溶解，得到质量百分比为3.6的海藻酸钠溶液，在海藻酸钠溶液中加入纳米银颗粒，搅拌均匀，制成混合纺丝液，海藻酸钠溶液与纳米银颗粒的质量比为1:0.6；然后采用湿法纺丝技术制备海藻纤维，凝固浴后拉伸卷绕，自然晾干，得到海藻纤维，凝固浴的温度为50℃
(2)棉纤维的制备：将脱脂并已洗净的棉纤维先进行膨化预处理，然后进行羧甲基化改性处理，再加入可溶性银盐，在55℃下恒温反应1h，加入稳定剂在55℃下恒温反应30min，最后将处理过的棉纤维依次经表面活性剂洗涤、钝化，再经清水漂洗、脱水、烘干即得到棉纤维，羧甲基化率为30％。
(3)将步骤(1)和步骤(2)中得到的原料进行抗菌处理，将水洗后的棉纱布放入浴比1:30的水中，加入棉纱布重量的7.8％的抗菌剂，抗菌剂选用花椒果实的水提取物、头翁的水提取物和青苔的水提取物的混合物，其质量比为1:1.2:0.8；
然后升高温度至约50-55℃，处理时间2h，然后制成纱布坯布；
(4)将步骤(3)中制得的纱布坯布浸入退煮漂联合机的热水槽中，浴比为1:36，先用110℃的水清洗30min，再降低温度5℃，水清洗1h；
(5)再将上述坯布用温度为110℃清水煮60min，再加入亲水柔软剂、纤维酶继续煮30min，出布，脱水，125℃烘干得到海藻纤维医用纱布。
实施例2为优选实施方式。
以上述依据本发明的理想实施例为启示，通过上述的说明内容，相关工作人员完全可以在不偏离本项发明技术思想的范围内，进行多样的变更以及修改。本项发明的技术性范围并不局限于说明书上的内容，必须要根据权利要求范围来确定其技术性范围。
Claims (4)
1.一种海藻纤维医用纱布的制备方法，其特征在于，该医用纱布由海藻纤维和棉纤维混纺而成，所述海藻纤维与棉纤维的重量比为0.3-0.8:1；制备方法如下：
(1)海藻纤维的制备：将海藻酸钠加入去离子水中，常温搅拌，直至完全溶解，得到质量百分比为2.4-3.6的海藻酸钠溶液，在海藻酸钠溶液中加入纳米银颗粒，搅拌均匀，制成混合纺丝液，海藻酸钠溶液与纳米银颗粒的质量比为1:0.2-0.6；然后采用湿法纺丝技术制备海藻纤维，凝固浴后拉伸卷绕，自然晾干，得到海藻纤维；
(2)棉纤维的制备：将脱脂并已洗净的棉纤维先进行膨化预处理，然后进行羧甲基化改性处理，再加入可溶性银盐，在28-55°C下恒温反应1h，加入稳定剂在28-55°C下恒温反应30min，最后将处理过的棉纤维依次经表面活性剂洗涤、钝化，再经清水漂洗、脱水、烘干即得到棉纤维；
(3)将步骤(1)和步骤(2)中得到的原料进行抗菌处理，然后制成纱布坯布；所述步骤(3)中的抗菌处理如下：将水洗后的海藻纤维和棉纤维放入浴比1:30的水中，加入海藻纤维和棉纤维重量的6-7.8％的抗菌剂，然后升高温度至50-55°C，处理时间2h；
(4)将步骤(3)中制得的纱布坯布浸入退煮漂联合机的热水槽中，浴比为1:32-36，先用100-110°C的水清洗30min，再降低温度5°C，水清洗1h；
(5)再将上述坯布用温度为105-110°C清水煮50-60min，再加入亲水柔软剂、纤维酶继续煮30min，出布，脱水，115-125°C烘干得到海藻纤维医用纱布；
所述抗菌剂选用花椒果实的水提取物、头翁的水提取物和青苔的水提取物的混合物，其质量比为1:1.2:0.6-0.8。
2.根据权利要求1所述的一种海藻纤维医用纱布的制备方法，其特征在于：所述步骤(1)中凝固浴的温度为30-50°C。
3.根据权利要求1所述的一种海藻纤维医用纱布的制备方法，其特征在于：所述步骤(2)中羧甲基化率为1-30％。
4.根据权利要求1所述的一种海藻纤维医用纱布的制备方法，其特征在于：所述抗菌剂选用花椒果实的水提取物、头翁的水提取物和青苔的水提取物的质量比为1:1.2:0.8。
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