CN114561793B - 一种灯芯绒阻燃整理液、阻燃整理方法及阻燃灯芯绒 - Google Patents

一种灯芯绒阻燃整理液、阻燃整理方法及阻燃灯芯绒 Download PDF

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CN114561793B
CN114561793B CN202210423529.9A CN202210423529A CN114561793B CN 114561793 B CN114561793 B CN 114561793B CN 202210423529 A CN202210423529 A CN 202210423529A CN 114561793 B CN114561793 B CN 114561793B
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刘建伟
唐立
魏文丽
刘瑞宁
李延卿
胡希志
宋万龙
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HEBEI NINGFANG GROUP CO Ltd
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Abstract

本发明涉及阻燃纺织品技术领域,具体提供一种灯芯绒阻燃整理液、阻燃整理方法及阻燃灯芯绒。所述灯芯绒阻燃整理液包括:第一整理液:70g/L‑80g/L二乙烯三胺五甲叉膦酸铵和10g/L‑20g/L双氰胺;第二整理液:150g/L‑300g/L四羟甲基氯化磷与尿素初缩体、4g/L‑6g/L脂肪醇聚氧乙烯醚、10g/L‑20g/L抗撕裂剂和8g/L‑10g/L醋酸。本发明通过两次浸轧整理技术将阻燃剂整理到灯芯绒中,并且通过氨熏处理,以及氨熏后堆置放置,浸轧强碱等工艺增加阻燃聚合物的稳定性,从而显著提高了灯芯绒的阻燃性能,且保证了灯芯绒面料的舒适手感,制备的灯芯绒面料适用于制作高强度作业人员的防护服。

Description

一种灯芯绒阻燃整理液、阻燃整理方法及阻燃灯芯绒
技术领域
本发明涉及阻燃纺织品技术领域,尤其涉及一种灯芯绒阻燃整理液、阻燃整理方法及阻燃灯芯绒。
背景技术
1953年,美国制定了“可燃性织物法”,1964年,英国修订了消费者保护法,规定了睡衣类织物的阻燃要求,20世纪70年代,以美国和英国为代表的国家均颁布了一系列阻燃法规。阻燃纺织品法律、法规的制定极大地推动了阻燃织物的发展。
棉及其混纺织物具有穿着舒适的优点,因而被广泛应用于制作工作服,阻燃工作服是个体防护用品中应用最为广泛的品种之一,它是一种保护人体避免被烧伤的服装。煤矿工人目前的工作服主要是以纯棉为主的梭织物纱卡类面料,缺乏阻燃功能,不利于煤矿工人的作业安全。芳纶织物可以达到B级阻燃性能标准,但是,芳纶织物不亲水、透气性差,穿着舒适性差,不适用与作业强度较高的煤矿作业工人。因此,急需研发一种阻燃性能高且穿着舒适性高的织物,以满足危险性较高且作业强度高的煤矿工人的穿着需求。
发明内容
针对现有棉织物的阻燃性能较差,以及芳纶织物的穿着舒适性较差的问题,本发明提供一种灯芯绒阻燃整理液、阻燃整理方法及灯芯绒。
为解决上述技术问题,本发明提供的技术方案是:
一种灯芯绒阻燃整理液,包括第一整理液和第二整理液,其中,所述第一整理液包括如下工作浓度的组分:70g/L-80g/L二乙烯三胺五甲叉膦酸铵和10g/L-20g/L双氰胺;所述第二整理液包括如下工作浓度的组分:150g/L-300g/L四羟甲基氯化磷与尿素初缩体、4g/L-6g/L脂肪醇聚氧乙烯醚、10g/L-20g/L抗撕裂剂和8g/L-10g/L醋酸。
与现有技术相比,本发明提供的灯芯绒阻燃整理液,以二乙烯三胺五甲叉膦酸铵作为阻燃剂进行第一次整理,在双氰胺作为催化剂的条件下,磷酸铵基团形成磷酸酐,然后膦酸酐基团与纤维素分子上的羟基发生磷酯化反应形成-P-O-C共价键,而将阻燃剂接枝到灯芯绒织物上,且由于是共价键结合,结合力较高,从而使得灯芯绒织物的阻燃性具有优异的耐久性;然后以四羟甲基氯化磷与尿素初缩体作为阻燃剂进行第二次整理,在脂肪醇聚氧乙烯醚的协助作用下,使四羟甲基氯化磷与尿素初缩体渗入灯芯绒织物的非结晶区和间隙,在纤维内部形成阻燃聚合体,从而使灯芯绒织物均匀带有高量的阻燃成分,显著提升灯芯绒织物的阻燃性能;且二乙烯三胺五甲叉膦酸铵和四羟甲基氯化磷与尿素初缩体还可相互协同形成氮磷协效阻燃,从而对灯芯绒织物形成全面的阻燃保护,显著提高了灯芯绒织物的阻燃性能;而且,经阻燃层中含P量较高,织物燃烧时阻燃剂中的P与空气中的氧气反应生成P2O5,其能从纤维分子中分离出水分子,然后生成聚磷酸,聚磷酸继续使纤维脱水直至纤维脱水成不燃烧的碳,从而有效提高织物的阻燃性能;本发明中两种整理剂相互协同,增加了纱线之间的滑移程度,使得灯芯绒弹力和柔滑度增加,且提高了灯芯绒织物的撕裂强度,从而使得整理后的灯芯绒手感柔软,强力损失小,保持了织物的舒适性,适合作为防护服、装饰布以及会堂幕布、家庭防火窗帘等的面料,应用前景广阔。
优选的,所述抗撕裂剂为脂肪酸季铵盐高分子化合物。
进一步优选的,所述抗撕裂剂为石家庄联邦科特化工有限公司生产的DT-4040。
优选的抗撕裂剂可提高灯芯绒织物的柔软性和抗撕裂能力,增加织物的耐水洗性和舒适性。
优选的,所述灯芯绒由经纱和纬纱交织而成,其中,所述经纱由长绒棉纤维制成,纬纱由地纬和绒纬组成,所述地纬由89%的长绒棉纤维、6%的芳纶纤维和5%氨纶制成。
进一步的,所述灯芯绒由经纱和纬纱交织而成,其中,经纱选用48.5tex纯棉纱,纬纱用36.4tex纯棉纱、36.4tex/70D棉芳纶氨纶包芯纱,其中,36.4tex棉纱做绒纬,36.4tex/70D棉芳纶氨纶包芯纱做地纬。织物密度:200根/10cm×528根/10cm,纬弹14条。
织物组织:灯芯绒由地组织和绒组织两部分组成,经纱与绒纬组成绒组织,经纱与地纬组成地组织,地组织为平纹组织,绒毛固定方式为w固结,绒纬与地纬排列比为3:1。
灯芯绒制备的主要工艺参数:总经根数3780根,其中边纱48根,筘号92.5筘齿数/10cm,穿筘:地组织2入,边组织3入/筘;上机幅宽:203.4cm穿综:地组织采用照图穿法:1232 14 56 54,边组织:111 444*4次(每边8筘)。
本发明地纬采用89%长绒棉纤维和6%芳纶纤维混纺后,包覆5%氨纶环锭纺纱线,增加了灯芯绒面料的强力和舒适性,同时还增加了灯芯绒面料的阻燃效果,且不影响织物的染色性能,制备的灯芯绒面料可以制作防护服或工装,穿着安全舒适。
本发明还提供了一种灯芯绒的阻燃整理方法,至少包括如下步骤:
步骤a,将灯芯绒浸轧到上述任一项所述的第一整理液中,烘干,得初级整理灯芯绒;
步骤b,将所述初级整理灯芯绒浸轧到上述任一项所述的第二整理液中,烘干,得次级整理灯芯绒;
步骤c,将所述次级整理灯芯绒进行氨熏处理,打卷,放置,然后将灯芯绒浸轧到氧化液中,放置,水洗,得氧化处理灯芯绒;
步骤d,将所述氧化处理灯芯绒浸轧到强碱溶液中,水洗,烘干,得阻燃灯芯绒。
本发明首先通过含有二乙烯三胺五甲叉膦酸铵和双氰胺的整理液对灯芯绒织物进行第一次整理,通过二乙烯三胺五甲叉膦酸铵和双氰胺反应释放的膦酸基团与纤维素分子的羟基反应形成-P-O-C共价键,将阻燃剂接枝到灯芯绒织物上,从而在灯芯绒织物表面形成一层稳定的阻燃层,然后通过以含有四羟甲基氯化磷与尿素初缩体的整理液进行第二次整理,在特定脂肪醇聚氧乙烯醚的作用下,使四羟甲基氯化磷与尿素初缩体渗入灯芯绒织物的非结晶区和间隙中,随后进行氨熏,使四羟甲基氯化磷与尿素初缩体在纤维内部形成阻燃聚合体,除此之外,氨熏结束后,通过放置一定的时间,增加反应时间和渗透时间,且促使四羟甲基氯化磷与尿素初缩体与二乙烯三胺五甲叉膦酸铵形成的阻燃层进行交联,增加阻燃效果,这种独特的整理方法解决了灯芯绒和氨纶面料通过整理方法提高阻燃效果不佳的缺陷,得到的阻燃层形成永久性交联,因而赋予灯芯绒面料耐久的阻燃性,且阻燃性能不随着洗涤次数增加而降低,同时,这种阻燃整理不改变纤维的原有特性,从而保持了织物的原有性能,通过此整理工艺制备的灯芯绒面料适用于作为防护服、高档室内窗帘布以及会堂高档幕布,应用前景广阔。
优选的,步骤a中,轧余率为70%-75%,浸轧温度为20℃-30℃,浸轧速度为20m/min-25m/min。
优选的,步骤a中,所述烘干具体为:先于80℃-90℃预烘干5min-10min,然后于175℃-180℃烘干1.5min-2min。
优选的烘干温度有利于是双氰胺催化二乙烯三胺五甲叉膦酸铵反应,释放出膦酸根与纤维分子的羟基进行反应,从而使阻燃剂接枝到灯芯绒表面,且保持灯芯绒面料的尺寸稳定性。
优选的,步骤b中,轧余率为70%-75%,浸轧温度为20℃-30℃,浸轧速度为20m/min-25m/min。
优选的,步骤b中,所述烘干的温度为80℃-90℃,烘干时间为5min-10min。
上述优选的浸轧温度、轧余率以及浸轧速度,不但有利于保持灯芯绒面料的尺寸稳定性,同时还有利于使整理液均匀覆盖灯芯绒表面,且干燥后具有较高的结合牢度,从而提升的灯芯绒面料的阻燃性能。
优选的,步骤c中,所述氨熏的氨气流量为500L/min-600L/min。
进一步地,步骤c中,采用95vol%-100vol%的氨气进行熏蒸,熏蒸温度为55℃-60℃,熏蒸时间为50s-60s。
优选的氨熏条件,有利于保证灯芯绒织物边缘的阻燃剂充分交联,从而对灯芯绒织物形成全面的阻燃保护。
优选的,步骤c中,所述放置的时间为12h-13h。
因灯芯绒结构的原因,本发明在氨熏处理结束后,将灯芯绒织物放置12h-13h,可增加阻燃剂与纤维分子的反应时间,且为阻燃剂分子渗入纤维间隙提供足够的时间,进而增加阻燃效果。
优选的,步骤c中,所述氧化液为30g/L-35g/L的双氧水,轧余率为70%-85%,浸轧氧化液的速度为30m/min-40m/min,浸轧后放置2min-2.5min。
优选的,步骤c中,氧化温度为55℃-60℃。
优选的,步骤c中,水洗温度70℃-75℃,水洗时间为5min-6min。
优选的,步骤d中,所述强碱溶液为10g/L-12g/L的氢氧化钠溶液,浸轧速度为30m/min-40m/min,浸轧后放置1min-1.5min。
优选的氧化条件和浸轧强碱的条件,有利于进一步提高纤维内部形成的阻燃聚合体的稳定性,进而有利于阻燃性能的提高。
优选的,步骤d中,水洗温度70℃-80℃,水洗时间为5min-6min。
优选的,步骤d中,所述烘干的温度为100℃-110℃,烘干时间为10min-20min。
本发明还提供一种阻燃灯芯绒,采用上述任一项所述的灯芯绒的阻燃整理方法制备得到。
本发明提供的灯芯绒的阻燃整理方法,不仅操作便捷、技术实用,而且在操作过程不需特殊的设备,对操作者的技术专业性及劳动强度要求不高,且整理得到的灯芯绒面料的阻燃性能稳定,阻燃效率高,还保证了灯芯绒面料的舒适手感,制备的灯芯绒面料尤其适用于制作高强度作业人员的防护服。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
实施例1
本发明实施例提供一种灯芯绒阻燃整理液,包括如下工作浓度的组分:
第一整理液:75g/L二乙烯三胺五甲叉膦酸铵和15g/L双氰胺;
所述第二整理液:225g/L四羟甲基氯化磷与尿素初缩体、5g/L脂肪醇聚氧乙烯醚、15g/L DT-4040和9g/L醋酸。
采用上述整理液对灯芯绒进行阻燃整理的方法,具体包括如下步骤:
步骤a,将灯芯绒浸轧到上述第一整理液中,浸轧温度为25℃,浸轧速度为23m/min,轧余率为72%,然后将灯芯绒面料于85℃的烘箱中预烘干8min,再于178℃的焙烘机中烘干1.5min,得初级整理灯芯绒;
步骤b,将所述初级整理灯芯绒浸轧到上述第二整理液中,浸轧温度为25℃,浸轧速度为23m/min,轧余率为73%,然后将灯芯绒面料于85℃烘箱烘干7min,得次级整理灯芯绒;
步骤c,将所述次级整理灯芯绒放入氨熏箱中进行氨熏处理,氨气流量550L/min,熏蒸温度为58℃,熏蒸时间为55s,将熏蒸后的灯芯绒面料打卷,用塑料薄膜包裹堆置12h;
步骤d,将堆置后的灯芯绒面料经显色皂洗机浸轧到浓度为32g/L的双氧水中,双氧水的温度为58℃,浸轧速度为35m/min,轧余率80%,浸轧后放置2min,采用75℃清水清洗,清洗时间为5min,得氧化处理灯芯绒;
步骤e,将上述氧化处理灯芯绒浸轧到11g/L的氢氧化钠溶液中,浸轧速度为35m/min,浸轧后放置1min,采用75℃清水清洗,清洗时间为5min,然后将灯芯绒面料于105℃的烘箱中烘干15min,得阻燃灯芯绒。
实施例2
本发明实施例提供一种灯芯绒阻燃整理液,包括如下工作浓度的组分:
第一整理液:70g/L二乙烯三胺五甲叉膦酸铵和10g/L双氰胺;
所述第二整理液:300g/L四羟甲基氯化磷与尿素初缩体、6g/L脂肪醇聚氧乙烯醚、20g/L DT-4040和10g/L醋酸。
采用上述整理液对灯芯绒进行阻燃整理的方法,具体包括如下步骤:
步骤a,将灯芯绒浸轧到上述第一整理液中,浸轧温度为20℃,浸轧速度为20m/min,轧余率为70%,然后将灯芯绒面料于90℃的烘箱中预烘干5min,再于175℃的焙烘机中烘干2min,得初级整理灯芯绒;
步骤b,将所述初级整理灯芯绒浸轧到上述第二整理液中,浸轧温度为20℃,浸轧速度为20m/min,轧余率为75%,然后将灯芯绒面料于90℃烘箱烘干5min,得次级整理灯芯绒;
步骤c,将所述次级整理灯芯绒放入氨熏箱中进行氨熏处理,氨气流量600L/min,熏蒸温度为60℃,熏蒸时间为60s,将熏蒸后的灯芯绒面料打卷,用塑料薄膜包裹堆置13h;
步骤d,将堆置后的灯芯绒面料经显色皂洗机浸轧到浓度为35g/L的双氧水中,双氧水的温度为60℃,浸轧速度为40m/min,轧余率72%,浸轧后放置2.5min,采用70℃清水清洗,清洗时间为6min,得氧化处理灯芯绒;
步骤e,将上述氧化处理灯芯绒浸轧到12g/L的氢氧化钠溶液中,浸轧速度为30m/min,浸轧后放置1.5min,采用70℃清水清洗,清洗时间为6min,然后将灯芯绒面料于100℃的烘箱中烘干20min,得阻燃灯芯绒。
实施例3
本发明实施例提供一种灯芯绒阻燃整理液,包括如下工作浓度的组分:
第一整理液:80g/L二乙烯三胺五甲叉膦酸铵和20g/L双氰胺;
所述第二整理液:150g/L四羟甲基氯化磷与尿素初缩体、4g/L脂肪醇聚氧乙烯醚、10g/L DT-4040和8g/L醋酸。
采用上述整理液对灯芯绒进行阻燃整理的方法,具体包括如下步骤:
步骤a,将灯芯绒浸轧到上述第一整理液中,浸轧温度为30℃,浸轧速度为25m/min,轧余率为75%,然后将灯芯绒面料于80℃的烘箱中预烘干10min,再于180℃的焙烘机中烘干1.5min,得初级整理灯芯绒;
步骤b,将所述初级整理灯芯绒浸轧到上述第二整理液中,浸轧温度为30℃,浸轧速度为25m/min,轧余率为70%,然后将灯芯绒面料于80℃烘箱烘干10min,得次级整理灯芯绒;
步骤c,将所述次级整理灯芯绒放入氨熏箱中进行氨熏处理,氨气流量500L/min,熏蒸温度为55℃,熏蒸时间为50s,将熏蒸后的灯芯绒面料打卷,用塑料薄膜包裹堆置12h;
步骤d,将堆置后的灯芯绒面料经显色皂洗机浸轧到浓度为30g/L的双氧水中,双氧水的温度为55℃,浸轧速度为30m/min,轧余率83%,浸轧后放置2min,采用75℃清水清洗,清洗时间为5min,得氧化处理灯芯绒;
步骤e,将上述氧化处理灯芯绒浸轧到10g/L的氢氧化钠溶液中,浸轧速度为40m/min,浸轧后放置1min,采用80℃清水清洗,清洗时间为5min,然后将灯芯绒面料于110℃的烘箱中烘干10min,得阻燃灯芯绒。
对比例1
本对比例提供一种灯芯绒的阻燃整理方法,其采用的第一整理液和第二整理液与实施例1完全相同,整理方法也与实施例1相同,不同的仅是氨熏处理以后不进行堆置放置且不经过浸轧氢氧化钠溶液,具体整理方法如下:
步骤a,将灯芯绒浸轧到上述第一整理液中,浸轧温度为25℃,浸轧速度为23m/min,轧余率为72%,然后将灯芯绒面料于85℃的烘箱中预烘干8min,再于178℃的焙烘机中烘干1.5min,得初级整理灯芯绒;
步骤b,将所述初级整理灯芯绒浸轧到上述第二整理液中,浸轧温度为25℃,浸轧速度为23m/min,轧余率为73%,然后将灯芯绒面料于85℃烘箱烘干7min,得次级整理灯芯绒;
步骤c,将所述次级整理灯芯绒放入氨熏箱中进行氨熏处理,氨气流量550L/min,熏蒸温度为58℃,熏蒸时间为55s;
步骤d,将氨熏处理后的灯芯绒面料经显色皂洗机浸轧到浓度为32g/L的双氧水中,双氧水的温度为58℃,浸轧速度为35m/min,轧余率80%,浸轧后放置2min,采用75℃清水清洗,清洗时间为5min,然后将灯芯绒面料于105℃的烘箱中烘干15min,得阻燃灯芯绒。
对比例2
本对比例提供一种灯芯绒的阻燃整理方法,其整理方法与实施例1完全相同,不同的仅是第二整理液中四羟甲基氯化磷与尿素初缩体的浓度为350g/L,其余全部与实施例1相同。
对比例3
本对比例提供一种聚甲醛纤维混纺织物,具体整理方法如下:
步骤a,将灯芯绒面料浸轧到包含500g/L CP阻燃剂、3g/LGX-100交联剂、20g/L磷酸的整理液中,浸轧温度为25℃,浸轧速度为23m/min,轧余率为72%,然后将灯芯绒面料于85℃的烘箱中预烘干8min,再于155℃的焙烘机中烘干2min,得初级整理灯芯绒;
步骤b,将初级整理灯芯绒浸轧50g/L纯碱溶液,透风2min,用70℃清水清洗后,于105℃烘箱烘干8min,得阻燃灯芯绒。
阻燃性能和抗撕裂性能测试
将实施例1以及对比例1-3制备的阻燃灯芯绒进行测试,其中,依据GB/T 5455-2014纺织品燃烧性能测试标准,用LFY-601垂直法织物阻燃性能测试仪,垂直方向进行损毁长度、阴燃和续燃时间的测定,并将有关参数与GB 8965.1-2020防护服装阻燃服标准B级进行对比。测试结果如表1所示。
表1
注:洗涤方法按照GB 8965.1-2020防护服阻燃服装标准中6.2规定的洗涤程序进行洗涤。
由上表可以看出,本发明实施例制备的灯芯绒面料阻燃效果优异,达到国家GB8965.1-2020防护服阻燃服装标准要求。同时,本发明实施例1制备的阻燃灯芯绒的阻燃性能、热防性能、防电弧性能经SGS/TUV/MTL/BTTG等检测机构检验达到EN ISO 11611/EN ISO11612/ASTM D6413/NFPA 2112/ASTMF1506/ENV 50354等标准,且不含醛类物质,安全环保,手感柔软有弹性,穿着舒适,是一种优异的具有灯芯绒风格的弹力阻燃面料。
实施例2-3制备的阻燃灯芯绒可达到与实施例1基本相当的技术效果。
上述实施例以及对比例中所用的灯芯绒面料由经纱和纬纱交织而成。经纱选用48.5tex纯棉纱,纬纱用36.4tex纯棉纱、36.4tex/70D棉芳纶氨纶包芯纱,其中,36.4tex棉纱做绒纬,36.4tex/70D棉芳纶氨纶包芯纱做地纬。织物密度:200根/10cm×528根/10cm,纬弹14条。
织物组织:灯芯绒由地组织和绒组织两部分组成,经纱与绒纬组成绒组织,经纱与地纬组成地组织,地组织为平纹组织,绒毛固定方式为w固结,绒纬与地纬排列比为3:1。
灯芯绒制备的主要工艺参数:总经根数3780根,其中边纱48根,筘号92.5筘齿数/10cm,穿筘:地组织2入,边组织3入/筘;上机幅宽:203.4cm穿综:地组织采用照图穿法:1232 14 56 54,边组织:111 444*4次(每边8筘)。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换或改进等,均应包含在本发明的保护范围之内。

Claims (8)

1.一种灯芯绒阻燃整理液,其特征在于,包括第一整理液和第二整理液,其中,所述第一整理液包括如下工作浓度的组分:70g/L-80g/L二乙烯三胺五甲叉膦酸铵和10g/L-20g/L双氰胺;所述第二整理液包括如下工作浓度的组分:150g/L-300g/L四羟甲基氯化磷与尿素初缩体、4g/L-6g/L脂肪醇聚氧乙烯醚、10g/L-20g/L抗撕裂剂和8g/L-10g/L醋酸;
所述抗撕裂剂为脂肪酸季铵盐高分子化合物;
所述灯芯绒由经纱和纬纱交织而成,纬纱由地纬和绒纬组成,其中,所述经纱由长绒棉纤维制成,所述地纬由89%的长绒棉纤维、6%的芳纶纤维和5%氨纶制成。
2.一种灯芯绒的阻燃整理方法,其特征在于,至少包括如下步骤:
步骤a,将灯芯绒浸轧到权利要求1所述的第一整理液中,烘干,得初级整理灯芯绒;
步骤b,将所述初级整理灯芯绒浸轧到权利要求1所述的第二整理液中,烘干,得次级整理灯芯绒;
步骤c,将所述次级整理灯芯绒进行氨熏处理,打卷,放置,然后将灯芯绒浸轧到氧化液中,放置,水洗,得氧化处理灯芯绒;
步骤d,将所述氧化处理灯芯绒浸轧到强碱溶液中,水洗,烘干,得阻燃灯芯绒。
3.如权利要求2所述的灯芯绒的阻燃整理方法,其特征在于,步骤a中,轧余率为70%-75%,浸轧温度为20℃-30℃,浸轧速度为20m/min-25m/min。
4.如权利要求2所述的灯芯绒的阻燃整理方法,其特征在于,步骤b中,轧余率为70%-75%,浸轧温度为20℃-30℃,浸轧速度为20m/min-25m/min。
5.如权利要求2所述的灯芯绒的阻燃整理方法,其特征在于,步骤c中,所述氨熏的氨气流量为500L/min-600L/min;和/或
步骤c中,所述放置的时间为12h-13h。
6.如权利要求2所述的灯芯绒的阻燃整理方法,其特征在于,步骤c中,所述氧化液为30g/L-35g/L的双氧水,轧余率为70%-85%,浸轧氧化液的速度为30m/min-40m/min,浸轧后放置2min-2.5min。
7.如权利要求2所述的灯芯绒的阻燃整理方法,其特征在于,步骤d中,所述强碱溶液为10g/L-12g/L的氢氧化钠溶液,浸轧速度为30m/min-40m/min,浸轧后放置1min-1.5min;和/或
步骤d中,所述烘干的温度为100℃-110℃,烘干时间为10min-20min。
8.一种阻燃灯芯绒,其特征在于,采用权利要求2-7任一项所述的灯芯绒的阻燃整理方法制备得到。
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