<section data-role="paragraph" class="_135editor" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><section data-role="paragraph" class="_135editor" style="max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　答 医用脱脂纱布与印染厂加工漂白棉布相比，其内在质量指标要求较严。《欧洲药典》对医用脱脂纱布的水溶性物质含量、淀粉与糊精的含量、硫酸盐灰分、白度、荧光性等都有明确的标准，因此生产医用脱脂纱布必须先从原料着手。医用纱布多为14.5texX 14.5tex的粗支纱，选用原料必须强调棉纤维的成熟度要好，原棉白度要好，因为天然棉纤维中杂质的存在直接影响棉纤维的吸水性、水溶性物质、硫酸盐灰分、白度等质量指标，使其不能直接作为卫生材料。成熟棉纤维的灰分含量占1％～2％，是由各种无机盐组成，其中包括硅酸、碳酸、硫酸和磷酸的钾、钠、钙、镁和锰盐，氧化铁和氧化铝。上述盐类中的钾盐、钠盐，通过煮练及水洗大部分可以去除，而对于微溶或不溶性的钙、镁盐和氧化铁、氧化铝等，只能通过酸洗，使其变为可溶性盐而去除。因此只有通过氯氧双漂工艺，特别是氯漂后的酸洗，才能使纱布上的淀粉浆、水溶性物质、硫酸盐灰分等水解而除去。氯氧双漂工艺流程及工艺条件介绍如下。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　①工艺流程。织造一煮练一锅内热洗一冷洗3格一轧氯2格一堆置一水洗2格一酸洗3 格一堆置一水洗5格一轧氧一汽蒸一水洗5格一中性水洗4格一轧液一堆置一开幅一烘干。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　②工艺条件。煮练液处方：烧碱169／L，洗涤剂19／L，太古油1.29／L，浴比1：5，煮练液温度120℃，煮练时间3h。漂白工艺条件：氯漂：有效氯2～2.5g／L，pH值9.5～10.5，室温，堆置45～50min。酸洗：硫酸2～2.5g／L，堆置2～5min。氧漂：双氧水（100％）1～1.59／L，pH值9.5～10.5，汽蒸100℃、50～55min。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　上述氯氧双漂工艺成品质量指标：水溶性物质为0.2％，《欧洲药典》规定不超过0.5％；硫酸盐灰分0.22％，《欧洲药典》规定不超过0.4％；白度81.8％，《欧洲药典》规定不低于75％。</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　</span></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; 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