Medical fabric with flame-retardant and antibacterial functions and preparation method thereof

A dual-function, fabric technology, applied in the field of medical fabrics, can solve the problems of loss of mechanical properties, the impact of fabric moisture permeability, etc., and achieve the effect of improving thermal stability

Pending Publication Date: 2022-06-17
南通雄风服装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The flame retardant properties of some existing medical fabrics are produced by padding with flame retardant finishing agents, which will af

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0051]实施例1

[0052](1)制备纤维膜:

[0053]取四氢呋喃,加入丙烯酸羟乙酯、吡啶混合,在氮气氛围中,调节体系温度至4℃,缓 慢加入二氯二甲基硅烷的四氢呋喃溶液,搅拌,恢复室温,反应12h,抽滤,旋蒸,干燥,得到不饱和单体;丙烯酸羟乙酯、吡啶、二氯二甲基硅烷的质量比为10:6.6:5.4;

[0054]将不饱和单体溶于二甲基甲酰胺,在氮气氛围中,加入半胱氨酸、偶氮二异丁腈,加热 至65℃,反应2h,升温至82℃,反应1h,得到改性单体;不饱和单体中双键与半胱氨酸中 巯基的摩尔比为1.2;

[0055]在氮气氛围中,取羟基丁酸、丁二醇、催化剂钛酸四丁酯混合,升温至150℃,反应1.5h, 升温至168℃,反应2h,降温至75℃;加入乳酸、改性单体、催化剂钛酸丁酯,150℃反应 4h;升温至190℃,调节真空度至800Pa,反应2h;升温至215℃,调节真空度至30Pa,反 应1h,得到共聚酯;羟基丁酸、丁二醇、乳酸、改性单体中的醇酸摩尔比为10:8.3,羟基丁 酸、乳酸、改性单体的质量比为10:7.4:0.6;

[0056]取氯仿,加入腰果酚、三乙胺、三氯氧磷混合,升温至60℃,搅拌回流反应4h,降至室 温,过滤,旋蒸,洗涤,干燥;溶于二氯甲烷,加入3-氯过氧苯甲酸,降温至4℃,搅拌反 应3h,过滤,洗涤,旋蒸,得到磷酸酯;腰果酚、三乙胺、三氯氧磷、3-氯过氧化苯甲酸的 质量比为10:3.2:1.6:2.8;

[0057]取共聚酯、磷酸酯、1-丙基磷酸酐、过氧化苯甲酰密炼6min;加入多苯基多亚甲基异氰 酸酯密炼6min,密炼温度为130℃,转速80rpm;进行静电纺丝,得到纤维膜;共聚酯、磷酸酯、1-丙基磷酸酐、多苯基多亚甲基异氰酸酯的质量比为100:6:0.3:1.0;

[0058](2)制备改性聚丙烯面料:

[0059]取5,5-二甲基海因溶于乙醇,加入氢氧化钠,85℃反应10min,旋蒸,45℃干燥;溶于 N,N-二甲基甲酰胺,加入氯丙基三乙氧基硅烷,95℃回流反应8h,过滤,减压,得到改性硅 氧烷;5,5-二甲基海因、氯丙基三乙氧基硅烷的质量比为10:18;

[0060]取正硅酸乙酯溶于无水乙醇,加入氨水,搅拌反应5h,离心,洗涤,60℃干燥24h;加入改性硅氧烷的乙醇溶液,超声分散10min,40℃搅拌7h,得到改性二氧化硅;分散于去离子水中,得到溶液;正

Example Embodiment

[0063]实施例2

[0064](1)制备纤维膜:

[0065]取四氢呋喃,加入丙烯酸羟乙酯、吡啶混合,在氮气氛围中,调节体系温度至2℃,缓 慢加入二氯二甲基硅烷的四氢呋喃溶液,搅拌,恢复室温,反应13h,抽滤,旋蒸,干燥,得到不饱和单体;丙烯酸羟乙酯、吡啶、二氯二甲基硅烷的质量比为10:6.8:5.5;

[0066]将不饱和单体溶于二甲基甲酰胺,在氮气氛围中,加入半胱氨酸、偶氮二异丁腈,加热 至68℃,反应2.5h,升温至83℃,反应1.5h,得到改性单体;不饱和单体中双键与半胱氨 酸中巯基的摩尔比为1.3;

[0067]在氮气氛围中,取羟基丁酸、丁二醇、催化剂钛酸四丁酯混合,升温至155℃,反应1.8h, 升温至172℃,反应2.5h,降温至78℃;加入乳酸、改性单体、催化剂钛酸丁酯,170℃反 应5h;升温至195℃,调节真空度至900Pa,反应4.5h;升温至217℃,调节真空度至40Pa,反应1.5h,得到共聚酯;羟基丁酸、丁二醇、乳酸、改性单体中的醇酸摩尔比为10:8.4,羟 基丁酸、乳酸、改性单体的质量比为10:8.2:0.8;

[0068]取氯仿,加入腰果酚、三乙胺、三氯氧磷混合,升温至63℃,搅拌回流反应4.5h,降至 室温,过滤,旋蒸,洗涤,干燥;溶于二氯甲烷,加入3-氯过氧苯甲酸,降温至2℃,搅拌 反应3.5h,过滤,洗涤,旋蒸,得到磷酸酯;腰果酚、三乙胺、三氯氧磷、3-氯过氧化苯甲 酸的质量比为10:3.4:1.7:2.9;

[0069]取共聚酯、磷酸酯、1-丙基磷酸酐、过氧化苯甲酰密炼8min;加入多苯基多亚甲基异氰 酸酯密炼8min,密炼温度为150℃,转速100rpm;进行静电纺丝,得到纤维膜;共聚酯、磷 酸酯、1-丙基磷酸酐、多苯基多亚甲基异氰酸酯的质量比为100:10:0.4:(1.5;

[0070](2)制备改性聚丙烯面料:

[0071]取5,5-二甲基海因溶于乙醇,加入氢氧化钠,90℃反应12min,旋蒸,48℃干燥;溶于 N,N-二甲基甲酰胺,加入氯丙基三乙氧基硅烷,98℃回流反应9h,过滤,减压,得到改性硅 氧烷;5,5-二甲基海因、氯丙基三乙氧基硅烷的质量比为10:19;

[0072]取正硅酸乙酯溶于无水乙醇,加入氨水,搅拌反应5h,离心,洗涤,70℃干燥24h;加入改性硅氧烷的乙醇溶液,超声分散15min,45℃搅拌8h,得到改性二氧化

Example Embodiment

[0075]实施例3

[0076](1)制备纤维膜:

[0077]取四氢呋喃,加入丙烯酸羟乙酯、吡啶混合,在氮气氛围中,调节体系温度至0℃,缓 慢加入二氯二甲基硅烷的四氢呋喃溶液,搅拌,恢复室温,反应14h,抽滤,旋蒸,干燥,得到不饱和单体;丙烯酸羟乙酯、吡啶、二氯二甲基硅烷的质量比为10:7.0:5.7;

[0078]将不饱和单体溶于二甲基甲酰胺,在氮气氛围中,加入半胱氨酸、偶氮二异丁腈,加热 至72℃,反应3h,升温至85℃,反应2h,得到改性单体;不饱和单体中双键与半胱氨酸中 巯基的摩尔比为1.5;

[0079]在氮气氛围中,取羟基丁酸、丁二醇、催化剂钛酸四丁酯混合,升温至160℃,反应2.1h, 升温至175℃,反应3h,降温至82℃;加入乳酸、改性单体、催化剂钛酸丁酯,190℃反应 6h;升温至200℃,调节真空度至1000Pa,反应7h;升温至220℃,调节真空度至50Pa,反应2h,得到共聚酯;羟基丁酸、丁二醇、乳酸、改性单体中的醇酸摩尔比为10:8.5,羟基丁酸、乳酸、改性单体的质量比为10:9.0:1.0;

[0080]取氯仿,加入腰果酚、三乙胺、三氯氧磷混合,升温至65℃,搅拌回流反应5h,降至室 温,过滤,旋蒸,洗涤,干燥;溶于二氯甲烷,加入3-氯过氧苯甲酸,降温至0℃,搅拌反 应4h,过滤,洗涤,旋蒸,得到磷酸酯;腰果酚、三乙胺、三氯氧磷、3-氯过氧化苯甲酸的 质量比为10:3.6:1.8:3.0;

[0081]取共聚酯、磷酸酯、1-丙基磷酸酐、过氧化苯甲酰密炼10min;加入多苯基多亚甲基异 氰酸酯密炼10min,密炼温度为150℃,转速120rpm;进行静电纺丝,得到纤维膜;共聚酯、磷酸酯、1-丙基磷酸酐、多苯基多亚甲基异氰酸酯的质量比为100:15:0.6:2.0;

[0082](2)制备改性聚丙烯面料:

[0083]取5,5-二甲基海因溶于乙醇,加入氢氧化钠,92℃反应15min,旋蒸,50℃干燥;溶于 N,N-二甲基甲酰胺,加入氯丙基三乙氧基硅烷,100℃回流反应10h,过滤,减压,得到改性 硅氧烷;5,5-二甲基海因、氯丙基三乙氧基硅烷的质量比为10:20;

[0084]取正硅酸乙酯溶于无水乙醇,加入氨水,搅拌反应5h,离心,洗涤,80℃干燥24h;加入改性硅氧烷的乙醇溶液,超声分散20min,50℃搅拌9h,得到改性二氧化硅;分散于去离子水中,得

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a medical fabric with flame-retardant and antibacterial dual functions and a preparation method thereof, and the preparation method comprises the following steps: (1) taking copolyester, phosphate, 1-propyl phosphoric anhydride and polyphenyl polymethylene isocyanate for banburying and spinning to prepare a fiber membrane; (2) dipping a woven fabric of polypropylene fibers into the hydantoin modified silicon dioxide to obtain a modified polypropylene fabric; and (3) taking the woven fabric of the polypropylene fiber, overlapping the fiber membrane and the modified polypropylene fabric, and pressing to obtain the medical fabric. The preparation method comprises the following steps: introducing hydroxyethyl acrylate, dichlorodimethylsilane and cysteine as raw materials into a fiber membrane to obtain a modified monomer, and reacting the modified monomer with hydroxybutyric acid, lactic acid and butanediol to obtain copolyester with antibacterial and flame-retardant properties; and banburying with phosphate obtained by taking cardanol, phosphorus oxychloride and 3-chloroperoxybenzoic acid as raw materials, 1-propyl phosphoric anhydride and polyphenyl polymethylene isocyanate, so that the thermal stability and flame retardance of the prepared fiber membrane are further improved.

Description

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Owner 南通雄风服装有限公司
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