CN113733693A - 一种原液着色耐氯漂手术衣面料的制备方法 - Google Patents

一种原液着色耐氯漂手术衣面料的制备方法 Download PDF

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CN113733693A
CN113733693A CN202110933476.0A CN202110933476A CN113733693A CN 113733693 A CN113733693 A CN 113733693A CN 202110933476 A CN202110933476 A CN 202110933476A CN 113733693 A CN113733693 A CN 113733693A
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ptfe membrane
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CN113733693B (zh
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杨娜
汤龙世
刘衍华
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Weifang Xunfang New Material Technology Co ltd
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    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/12Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • AHUMAN NECESSITIES
    • A41WEARING APPAREL
    • A41DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00Materials specially adapted for outerwear
    • A41D31/04Materials specially adapted for outerwear characterised by special function or use
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    • A41WEARING APPAREL
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    • A41D31/00Materials specially adapted for outerwear
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B32B27/00Layered products comprising a layer of synthetic resin
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    • B32B5/08Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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Abstract

本发明提供一种原液着色耐氯漂手术衣面料的制备方法,包括面料的选材、改性PTFE膜的制备、纤维布与改性PTFE膜胶粘复合,其中改性PTFE膜的制备包括浸渍液的制备和紫外光处理。所制备面料,抗渗水静水压178~192cmH2O,聚酯纤维布层与PTFE膜剥离强力14.9~16.6N,透湿率5703~6100g/m2·d;面料经高温氯漂洗涤50次后,抗渗水静水压107~133cmH2O,聚酯纤维布层与PTFE膜剥离强力8.1~10.9N,透湿率3576~4812g/m2·d,耐洗涤色牢度4~5级。

Description

一种原液着色耐氯漂手术衣面料的制备方法
技术领域
本发明涉及一种原液着色耐氯漂手术衣面料的制备方法,属于医用纺织品材料技术领域。
背景技术
可重复性使用手术衣,对面料的要求极为苛刻。首先要有良好的透湿性、无落絮、防静电,以保证穿着的舒适性,最关键干湿态下的阻隔性能要十分优异,能有效阻隔液体、各种微生物以及微尘颗粒物的穿透。特殊手术场合,如大量液体暴露,高喷射及溅射风险,对手术衣产生的压力很高,还须具备一定吸附功能及耐水压性能。可重复性使用又对面料强度韧性、耐洗涤剂、耐杀菌消毒剂方面提出很高要求。单一材质难以达到上述要求,目前基于特殊功能薄膜的多层复合面料最具发展前景,其中以PTFE微孔膜复合两层聚酯长丝纤维布所能达到的综合性能最为优异。但是PTFE膜表面润湿性能比较差,与聚酯纤维布贴胶复合后存在剥离强力低、不耐反复洗涤的问题,增加用胶量虽能提高剥离强度,但会大幅降低面料的透湿性能。
发明内容
针对现有技术存在不足,本发明提供一种原液着色耐氯漂手术衣面料的制备方法,实现以下发明目的:
提高聚酯纤维布层与PTFE膜的剥离强力;
提高面料的耐洗涤性。
为实现上述发明目的,本发明采取以下技术方案:
一种原液着色耐氯漂手术衣面料的制备方法,其特征在于:包括面料的选材、改性PTFE膜的制备、纤维布与改性PTFE膜胶粘复合;所述改性PTFE膜的制备,包括浸渍液的制备和紫外光处理。
以下是对上述技术方案的进一步改进:
步骤(1)面料的选材
上层:由第一经纱、第二经纱和纬纱三种纱线组成,径向第一经纱平行紧密排列,纬向上每隔10毫米宽度插入一根与第一经纱平行的第二经纱,径向上每隔0.8毫米织两根纬纱;
所述第一经纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网;
所述第二经纱是DTY 75D/36F黑色半光长丝和锦纶基20D/3F黑色导电丝加捻形成的,捻向:Z捻,捻度:450捻/米;
所述纬纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网。
中间层:改性PTFE膜,克重18~20g/m2,热稳定性190~210℃,厚度48~50um,静水压200~220KPa,透湿率6850~7000g/m2·d。
下层为聚酯长丝纬编针织面料;
所述针织面料为DTY 50D/36F纬平针组织;
所述针织面料的克重为65g/m2
步骤(2)改性PTFE膜的制备
1、浸渍液的制备:
1)预分散纳米二氧化钛水溶液的制备
脂肪胺聚氧乙烯醚加入水中,搅拌溶解后,搅拌速率6000~10000转/分条件下,缓慢加入纳米二氧化钛粉末,加料完毕后,搅拌10分钟,停止搅拌后再超声分散20~40分钟后得到预分散纳米二氧化钛水溶液;
所述纳米二氧化钛粉末为金红石型亲水性粉末,粒径分布10~30nm,纯度99%;
所述预分散纳米二氧化钛水溶液,二氧化钛的质量浓度为25%,脂肪胺聚氧乙烯醚的质量含量为0.5~1%。
2)双氧水-离子液体混合液的制备
1-丁基-3-甲基咪唑三氟甲烷硫酸盐、1-丁基3-甲基咪唑对甲基苯磺酸盐按质量比1:1混合,再加入双氧水搅拌混合,得到过氧化氢质量浓度15~25%的混合液;
所述双氧水中过氧化氢的质量浓度为50%。
3)制得浸渍液
预分散纳米二氧化钛水溶液与双氧水-离子液体混合液按质量比1:1混合后,6000~10000转/分速率下强力搅拌20~40分钟后超声分散35分钟,使溶液达到澄清透明状态,得到浸渍液。
2、紫外光处理
将预先除油清洗洁净的PTFE膜浸入浸渍液中,紫外光照射1~2.5小时后取出,用去离子水反复冲洗后80℃烘干,得到改性PTFE膜;
所述紫外光照射,选用紫外光高压汞灯,功率500W,波长365nm,光源距PTFE膜的距离固定为10厘米。
步骤(3)纤维布与改性PTFE膜胶粘复合:
液体热熔胶均匀涂覆在改性PTFE膜的上下两面,贴合好上层和下层面料后,热压复合后可得到手术衣面料成品;
所述液体热熔胶为反应型聚氨酯热熔胶,AP-J7738通用型;
所述均匀涂覆,改性PTFE膜的上下两面胶量一致,总上胶量控制在11~17g/ m2
所述热压复合,热压温度110~150℃,热压时间15~30分钟。
与现有技术相比,本发明取得以下有益效果:
1、本发明制备的面料,抗渗水静水压178~192cmH2O,聚酯纤维布层与PTFE膜剥离强力14.9~16.6N,透湿率5703~6100g/m2·d;
2、本发明制备的面料经高温氯漂(90℃水洗20分钟,60℃氯漂20分钟,有效氯浓度50mg/L)洗涤50次后,抗渗水静水压107~133cmH2O,聚酯纤维布层与PTFE膜剥离强力8.1~10.9N,透湿率3576~4812g/m2·d;耐洗涤色牢度4~5级。
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1:一种原液着色耐氯漂手术衣面料的制备方法
包括以下步骤:
一、面料的选材
上层:由第一经纱、第二经纱和纬纱三种纱线组成,第一经纱平行紧密排列,纬向上每隔10毫米宽度插入一根与第一经纱平行的第二经纱,径向上每隔0.8毫米织两根纬纱;
所述第一经纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网;
所述第二经纱是DTY 75D/36F黑色半光长丝和锦纶基20D/3F黑色导电丝加捻形成的,捻向:Z捻,捻度:450捻/米;
所述纬纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网。
中间层:改性PTFE膜,克重19g/m2,热稳定性200℃,厚度49um,静水压210KPa,透湿率6950g/m2·d。
下层为聚酯长丝纬编针织面料;
所述针织面料为DTY 50D/36F纬平针组织;
所述针织面料的克重为65g/m2
二、改性PTFE膜的制备
1、浸渍液的制备:
1)预分散纳米二氧化钛水溶液的制备
脂肪胺聚氧乙烯醚加入水中,搅拌溶解后,搅拌速率7500转/分条件下,缓慢加入纳米二氧化钛粉末,加料完毕后,搅拌10分钟,停止搅拌后再超声分散30分钟后得到预分散纳米二氧化钛水溶液;
所述纳米二氧化钛粉末为金红石型亲水性粉末,粒径分布10~30nm,纯度99%;
所述预分散纳米二氧化钛水溶液,二氧化钛的质量浓度为25%,脂肪胺聚氧乙烯醚的质量含量为0.8%。
2)双氧水-离子液体混合液的制备
1-丁基-3-甲基咪唑三氟甲烷硫酸盐、1-丁基3-甲基咪唑对甲基苯磺酸盐按质量比1:1混合,再加入双氧水搅拌混合,得到过氧化氢质量浓度25%的双氧水-离子液体混合液;
所述双氧水中过氧化氢的质量浓度为50%。
3)制得浸渍液
预分散纳米二氧化钛水溶液与双氧水-离子液体混合液按质量比1:1混合后,9000转/分速率下强力搅拌20分钟后超声分散35分钟,使溶液达到澄清透明状态,得到浸渍液。
2、紫外光处理
将预先除油清洗洁净的PTFE膜浸入浸渍液中,紫外光照射2小时后取出,用去离子水反复冲洗后80℃烘干,得到改性PTFE膜;
所述PTFE膜,克重20g/m2,热稳定性210℃,厚度50um,静水压225KPa,透湿率6960g/m2·d;
所述紫外光照射,选用紫外光高压汞灯,功率500W,波长365nm,光源距PTFE膜的距离固定为10厘米。
三、纤维布与改性PTFE膜胶粘复合
液体热熔胶均匀涂覆在改性PTFE膜的上下两面,贴合好上层和下层面料后,热压复合后可得到手术衣面料成品;
所述液体热熔胶为反应型聚氨酯热熔胶,型号为:AP-J7738通用型;
所述均匀涂覆,改性PTFE膜的上下两面胶量一致,总上胶量控制在14g/ m2
所述热压复合,热压温度130℃,热压时间20分钟。
实施例1制备的面料抗渗水静水压192cmH2O,聚酯纤维布层与PTFE膜剥离强力16.6N,透湿率6100g/m2·d;面料经高温氯漂(90℃水洗20分钟,60℃氯漂20分钟,有效氯浓度50mg/L)洗涤50次后,抗渗水静水压133cmH2O,聚酯纤维布层与PTFE膜剥离强力9.7N,透湿率3900g/m2·d,耐洗涤色牢度4~5级。
实施例2:
一、面料的选材
上层:由第一经纱、第二经纱和纬纱三种纱线组成,径向第一经纱平行紧密排列,纬向上每隔10毫米宽度插入一根与第一经纱平行的第二经纱,径向上每隔0.8毫米织两根纬纱;
所述第一经纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网;
所述第二经纱是DTY 75D/36F黑色半光长丝和锦纶基20D/3F黑色导电丝加捻形成的,捻向:Z捻,捻度:450捻/米;
所述纬纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网。
中间层:改性PTFE膜,克重20g/m2,热稳定性210℃,厚度50um,静水压220KPa,透湿率7000g/m2·d。
下层为聚酯长丝纬编针织面料;
所述针织面料为DTY 50D/36F纬平针组织;
所述针织面料的克重为65g/m2
二、改性PTFE膜的制备
1、浸渍液的制备:
1)预分散纳米二氧化钛水溶液的制备
脂肪胺聚氧乙烯醚加入水中,搅拌溶解后,搅拌速率10000转/分条件下,缓慢加入纳米二氧化钛粉末,加料完毕后,搅拌10分钟,停止搅拌后再超声分散40分钟后得到预分散纳米二氧化钛水溶液;
所述纳米二氧化钛粉末为金红石型亲水性粉末,粒径分布10~30nm,纯度99%;
所述预分散纳米二氧化钛水溶液,二氧化钛的质量浓度为25%,脂肪胺聚氧乙烯醚的质量含量为1%。
2)双氧水-离子液体混合液的制备
1-丁基-3-甲基咪唑三氟甲烷硫酸盐、1-丁基3-甲基咪唑对甲基苯磺酸盐按质量比1:1混合,再加入双氧水搅拌混合,得到过氧化氢质量浓度20%的混合液;
所述双氧水中过氧化氢的质量浓度为50%。
3)制得浸渍液
预分散纳米二氧化钛水溶液与双氧水-离子液体混合液按质量比1:1混合后,10000转/分速率下强力搅拌40分钟后超声分散35分钟,使溶液达到澄清透明状态,得到浸渍液。
2、紫外光处理
将预先除油清洗洁净的PTFE膜浸入浸渍液中,紫外光照射2.5小时后取出,用去离子水反复冲洗后80℃烘干,得到改性PTFE膜;
所述PTFE膜,克重20g/m2,热稳定性210℃,厚度50um,静水压225KPa,透湿率6960g/m2·d;
所述紫外光照射,选用紫外光高压汞灯,功率500W,波长365nm,光源距PTFE膜的距离固定为10厘米。
三、纤维布与改性PTFE膜胶粘复合
液体热熔胶均匀涂覆在改性PTFE膜的上下两面,贴合好上层和下层面料后,热压复合后可得到手术衣面料成品;
所述液体热熔胶为反应型聚氨酯热熔胶,型号为:AP-J7738通用型;
所述均匀涂覆,改性PTFE膜的上下两面胶量一致,总上胶量控制在17g/ m2
所述热压复合,热压温度150℃,热压时间30分钟。
实施例2制备面料,抗渗水静水压186cmH2O,聚酯纤维布层与PTFE膜剥离强力15.2N,透湿率5703g/m2·d;面料经高温氯漂(90℃水洗20分钟,60℃氯漂20分钟,有效氯浓度50mg/L)洗涤50次后,抗渗水静水压117cmH2O,聚酯纤维布层与PTFE膜剥离强力10.9N,透湿率3576g/m2·d,耐洗涤色牢度4~5级。
实施例3:
一、面料的选材
上层:由第一经纱、第二经纱和纬纱三种纱线组成,第一经纱平行紧密排列,纬向上每隔10毫米宽度插入一根与第一经纱平行的第二经纱,径向上每隔0.8毫米织两根纬纱;
所述第一经纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网;
所述第二经纱是DTY 75D/36F黑色半光长丝和锦纶基20D/3F黑色导电丝加捻形成的,捻向:Z捻,捻度:450捻/米;
所述纬纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网。
中间层:改性PTFE膜,克重18g/m2,热稳定性190℃,厚度48um,静水压200KPa,透湿率6850g/m2·d。
下层为聚酯长丝纬编针织面料;
所述针织面料为DTY 50D/36F纬平针组织;
所述针织面料的克重为65g/m2
二、改性PTFE膜的制备
1、浸渍液的制备:
1)预分散纳米二氧化钛水溶液的制备
脂肪胺聚氧乙烯醚加入水中,搅拌溶解后,搅拌速率6000转/分条件下,缓慢加入纳米二氧化钛粉末,加料完毕后,搅拌10分钟,停止搅拌后再超声分散20分钟后得到预分散纳米二氧化钛水溶液;
所述纳米二氧化钛粉末为金红石型亲水性粉末,粒径分布10~30nm,纯度99%;
所述预分散纳米二氧化钛水溶液,二氧化钛的质量浓度为25%,脂肪胺聚氧乙烯醚的质量含量为0.5%。
2)双氧水-离子液体混合液的制备
1-丁基-3-甲基咪唑三氟甲烷硫酸盐、1-丁基3-甲基咪唑对甲基苯磺酸盐按质量比1:1混合,再加入双氧水搅拌混合,得到过氧化氢质量浓度25%的混合液;
所述双氧水中过氧化氢的质量浓度为50%。
3)制得浸渍液
预分散纳米二氧化钛水溶液与双氧水-离子液体混合液按质量比1:1混合后,6000转/分速率下强力搅拌20分钟后超声分散35分钟,使溶液达到澄清透明状态,得到浸渍液。
2、紫外光处理
将预先除油清洗洁净的PTFE膜浸入浸渍液中,紫外光照射1小时后取出,用去离子水反复冲洗后80℃烘干,得到改性PTFE膜;
所述PTFE膜,克重20g/m2,热稳定性210℃,厚度50um,静水压225KPa,透湿率6960g/m2·d;
所述紫外光照射,选用紫外光高压汞灯,功率500W,波长365nm,光源距PTFE膜的距离固定为10厘米。
三、纤维布与改性PTFE膜胶粘复合
液体热熔胶均匀涂覆在改性PTFE膜的上下两面,贴合好上层和下层面料后,热压复合后可得到手术衣面料成品;
所述液体热熔胶为反应型聚氨酯热熔胶,型号为:AP-J7738通用型;
所述均匀涂覆,改性PTFE膜的上下两面胶量一致,总上胶量控制在11g/ m2
所述热压复合,热压温度110℃,热压时间15分钟。
实施例3制备面料,抗渗水静水压178cmH2O,聚酯纤维布层与PTFE膜剥离强力14.9N,透湿率6030g/m2·d;面料经高温氯漂(90℃水洗20分钟,60℃氯漂20分钟,有效氯浓度50mg/L)洗涤50次后,抗渗水静水压107cmH2O,聚酯纤维布层与PTFE膜剥离强力8.1N,透湿率4812g/m2·d,耐洗涤色牢度4~5级。
对比例1:
一、面料的选材
上层:由第一经纱、第二经纱和纬纱三种纱线组成,第一经纱平行紧密排列,纬向上每隔10毫米宽度插入一根与第一经纱平行的第二经纱,径向上每隔0.8毫米织两根纬纱;
所述第一经纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网;
所述第二经纱是DTY 75D/36F黑色半光长丝和锦纶基20D/3F黑色导电丝加捻形成的,捻向:Z捻,捻度:450捻/米;
所述纬纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网。
中间层:PTFE膜,克重20g/m2,热稳定性190℃,厚度50um,静水压220KPa,透湿率7000g/m2·d。
下层为聚酯长丝纬编针织面料;
所述针织面料为DTY 50D/36F纬平针组织;
所述针织面料的克重为65g/m2
二、纤维布与PTFE膜胶粘复合
PTFE膜除油洗净烘干,将液体热熔胶均匀涂覆在PTFE膜的上下两面,贴合好上层和下层面料后,热压复合后可得到手术衣面料成品;
所述液体热熔胶为反应型聚氨酯热熔胶,型号为:AP-J7738通用型;
所述均匀涂覆,改性PTFE膜的上下两面胶量一致,总上胶量控制在14g/ m2
所述热压复合,热压温度130℃,热压时间20分钟。
对比例1制备的面料,抗渗水静水压181cmH2O,聚酯纤维布层与PTFE膜剥离强力4.3N,透湿率6343g/m2·d;面料经高温氯漂(90℃水洗20分钟,60℃氯漂20分钟,有效氯浓度50mg/L)洗涤50次后,抗渗水静水压102cmH2O,聚酯纤维布层与PTFE膜剥离强力1.9N,透湿率2005g/m2·d,耐洗涤色牢度4~5级。
以上剥离强力测试参照FZT 60011-2016,透湿率测试参照GB/T 12704.1-2009,抗渗水静水压测试参照GB/T 4744,耐洗涤色牢度判定和测试参照GB/T 250-2008和GB/T12490-2014。

Claims (8)

1.一种原液着色耐氯漂手术衣面料的制备方法,其特征在于:包括面料的选材、改性PTFE膜的制备、纤维布与改性PTFE膜胶粘复合;所述改性PTFE膜的制备,包括浸渍液的制备和紫外光处理。
2.根据权利要求1所述的一种原液着色耐氯漂手术衣面料的制备方法,其特征在于:所述面料的选材包括上层、中间层和下层;上层由第一经纱、第二经纱和纬纱三种纱线组成,中间层是改性PTFE膜,下层为聚酯长丝纬编针织面料。
3.根据权利要求2所述的一种原液着色耐氯漂手术衣面料的制备方法,其特征在于:所述第一经纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网;第二经纱是DTY 75D/36F黑色半光长丝和锦纶基20D/3F黑色导电丝加捻形成的,捻向Z捻,捻度450捻/米;纬纱是绿色原液着色聚酯长丝色纱DTY 75D/72F半光轻网;所述改性PTFE膜,克重18~20g/m2,热稳定性190~210℃,厚度48~50um,静水压200~220KPa,透湿率6850~7000g/m2·d;所述聚酯长丝纬编针织面料为DTY 50D/36F纬平针组织,克重为65g/m2
4.根据权利要求1所述的一种原液着色耐氯漂手术衣面料的制备方法,其特征在于:所述浸渍液的制备包括预分散纳米二氧化钛水溶液的制备,双氧水-离子液体混合液的制备,制得浸渍液。
5.根据权利要求4所述的一种原液着色耐氯漂手术衣面料的制备方法,其特征在于:所述预分散纳米二氧化钛水溶液的制备,搅拌速率6000~10000转/分条件下,纳米二氧化钛粉末缓慢加入含脂肪胺聚氧乙烯醚的水中,加料完毕后,搅拌10分钟,超声分散20~40分钟后得到预分散纳米二氧化钛水溶液;所述纳米二氧化钛粉末为金红石型亲水性粉末,粒径分布10~30nm,纯度99%;所述预分散纳米二氧化钛水溶液,二氧化钛的质量浓度为25%,脂肪胺聚氧乙烯醚的质量含量为0.5~1%。
6.根据权利要求4所述的一种原液着色耐氯漂手术衣面料的制备方法,其特征在于:所述双氧水-离子液体混合液的制备,1-丁基-3-甲基咪唑三氟甲烷硫酸盐、1-丁基3-甲基咪唑对甲基苯磺酸盐按质量比1:1混合,再加入质量浓度50%双氧水搅拌混合,得到过氧化氢质量浓度15~25%的双氧水-离子液体混合液;所述制得浸渍液,预分散纳米二氧化钛水溶液与双氧水-离子液体混合液按质量比1:1混合后,6000~10000转/分速率下强力搅拌20~40分钟后超声分散35分钟得到浸渍液。
7.根据权利要求1所述的一种原液着色耐氯漂手术衣面料的制备方法,其特征在于:所述紫外光处理,除油清洗洁净的PTFE膜浸入浸渍液中,紫外光照射1~2.5小时后取出,用去离子水反复冲洗后80℃烘干,得到改性PTFE膜;所述紫外光照射,选用紫外光高压汞灯,功率500W,波长365nm,光源距PTFE膜的距离固定为10厘米。
8.根据权利要求1所述的一种原液着色耐氯漂手术衣面料的制备方法,其特征在于:所述纤维布与改性PTFE膜胶粘复合,液体热熔胶均匀涂覆在改性PTFE膜的上下两面,贴合好上层和下层面料后,热压复合后可得到手术衣面料成品;
所述液体热熔胶为反应型聚氨酯热熔胶,型号为AP-J7738通用型;所述均匀涂覆,改性PTFE膜的上下两面胶量一致,总上胶量控制在11~17g/m2;所述热压复合,热压温度110~150℃,热压时间15~30分钟。
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