CN108842448A - 一种包覆型阻燃涤纶纤维 - Google Patents
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Abstract
本发明公开了一种包覆型阻燃涤纶纤维,包括组合纤维和外包覆层,所述外包覆层设于所述组合纤维的外部,所述组合纤维包括蛋白纤维、真丝纤维、改性炭纤维、改性聚酯纤维和涤纶丝纤维,其中所述蛋白纤维占比设为5‑15%,所述真丝纤维占比设为2‑8%,所述改性聚酯纤维占比设为25‑42%,所述改性炭纤维占比设为5‑10%,所述涤纶丝纤维的占比设为10‑25%。本发明的设计的外包覆层溶液可以渗透到对应组合纤维中,利用外包覆层溶液在组合纤维的外部形成一层特殊的外包覆层,大大提高了整体的阻燃性能,使用较为安全。
Description
技术领域
本发明涉及新材料纺织技术领域,尤其是一种包覆型阻燃涤纶纤维。
背景技术
涤纶纤维产品的主要原材料为石化产品中的PTA、MEG和PET,约占产品成本的85%。PTA的生产地主要集中在亚洲、北美和西欧地区,其中:亚洲地区的产能占全球总产能的81%左右,北美和西欧的生产能力远远低于亚洲。随着国内对PTA的需求不断增加,大量民营聚酯产能的投建加剧了对PTA的需求,同时也推动了我国PTA产能不断增长,国内PTA供需矛盾有所缓解,2011 年我国PTA的产能达到2000万吨左右。产能的迅速扩张也预示着我国PTA即将走入全面过剩状态。虽然各PTA项目纷纷延期投产,但产能过剩已成为不争事实。PTA行业需要2-3年的时间方可消化如此巨量的新增产能。而作为 PTA的上游原材料,PX的产能增速较缓,对PTA行业的理论供给缺口在不断扩大。而产能的迅速扩张也预示着我国PTA即将走入全面过剩状态。虽然各 PTA项目纷纷延期投产,但产能过剩已成为不争事实。PTA行业需要2-3年的时间方可消化如此巨量的新增产能。而作为PTA的上游原材料,PX的产能增速较缓,对PTA行业的理论供给缺口在不断扩大。我国涤纶纤维行业已经进入成熟期,占有全球纤维消费量的50%。长期来看,全球聚酯行业各环节预测供应量均将超过预测需求量。我国PET产能在2011年就已经超过PET的表观消费量,产能开始出现过剩,未来PET产能过剩将进一步变得明显,对涤纶纤维行业的议价能力将有所下降。
目前市售的涤纶纤维都是易燃材料,遇火容易燃烧,安全性差,因此,在这里我们提出一种包覆型阻燃涤纶纤维。
发明内容
本发明为解决上述现象,采用以下改性的技术方案,一种包覆型阻燃涤纶纤维,包括组合纤维和外包覆层,所述外包覆层设于所述组合纤维的外部,所述组合纤维包括蛋白纤维、真丝纤维、改性炭纤维、改性聚酯纤维和涤纶丝纤维,其中所述蛋白纤维占比设为5-15%,所述真丝纤维占比设为2-8%,所述改性聚酯纤维占比设为25-42%,所述改性炭纤维占比设为5-10%,所述涤纶丝纤维的占比设为10-25%。
作为本发明的进一步优选方式,还包括,其中所述蛋白纤维占比设为15%,所述真丝纤维占比设为8%,所述改性聚酯纤维占比设为42%,所述改性炭纤维占比设为10%,所述涤纶丝纤维的占比设为25%。
作为本发明的进一步优选方式,所述组合纤维与外包覆层的整体制作方法包括如下:
S1,对所有混纺前的材料预处理加工,保持原料的清洁,控制直径在 2-5um;
S2,将处理后的材料进行混纺,混纺完成后,放入配置好的混合溶液进行浸泡,浸泡时间控制在35-45min;
S3,将浸泡过后的面料用弱酸进行充分清洗,清洗过后进行烘干,然后在织物表面施以喷涂外包覆层,将外包覆层在组合纤维表面成膜,最后对其进行紫外线杀菌消毒,即完成加工。
作为本发明的进一步优选方式,步骤S3中,在喷涂外包覆层后需要进行烘干,烘干首先进行冷风烘干,利用冷风机烘干,烘干时间控制位5-12min,然后再进行热风烘干,烘干时间控制为10-20min,热烘干的温度控制在 80-140℃,整体过程前期快烘后慢烘,最后自然冷却。
作为本发明的进一步优选方式,步骤S2中的混合溶液百分浓度在 35-75%,选择醋酸、硅烷偶联剂、氢氟酸水溶液通过按照1.4:2:0.8的比例进行充分混合而成。
作为本发明的进一步优选方式,所述外包覆层设为阻燃混合溶剂,所述外包覆层包括以下材料分数,磷酸三丁酯5-12份、氯丹酸酐3-12份、三聚氰胺盐4-8份、氯丹酸酐7-20份、羟基铝2-3.5份、三氧化二锑3.5-8份、五溴乙基苯4.5-10份。
作为本发明的进一步优选方式,所述外包覆层包括以下材料分数,磷酸三丁酯12份、氯丹酸酐12份、三聚氰胺盐8份、氯丹酸酐20份、羟基铝3.5 份、三氧化二锑8份、五溴乙基苯10份。
作为本发明的进一步优选方式,所述外包覆层溶液的制作包括如下,
A,将磷酸三丁酯、氯丹酸酐、三聚氰胺盐、氯丹酸酐、羟基铝、三氧化二锑、五溴乙基苯1,充分混合反应后,利用氩气惰性气体保护下,在75-95℃下加热0.3-0.6h;
B,将其倒入在反应釜中,充分搅拌均匀,搅拌转速控制在120-240r/min,并保持120℃,持续30min,然后静置冷却至室温,形成高粘度的外包覆层原液。
本发明的设计的外包覆层溶液可以渗透到对应组合纤维中,利用外包覆层溶液在组合纤维的外部形成一层特殊的外包覆层,大大提高了整体的阻燃性能,使用较为安全。
具体实施方式
下面将结合本发明实施例中,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明提供一种技术方案:一种包覆型阻燃涤纶纤维,包括组合纤维和外包覆层,所述外包覆层设于所述组合纤维的外部,所述组合纤维包括蛋白纤维、真丝纤维、改性炭纤维、改性聚酯纤维和涤纶丝纤维,其中所述蛋白纤维占比设为5-15%,所述真丝纤维占比设为2-8%,所述改性聚酯纤维占比设为25-42%,所述改性炭纤维占比设为5-10%,所述涤纶丝纤维的占比设为 10-25%。
还包括,其中所述蛋白纤维占比设为15%,所述真丝纤维占比设为8%,所述改性聚酯纤维占比设为42%,所述改性炭纤维占比设为10%,所述涤纶丝纤维的占比设为25%。
所述组合纤维与外包覆层的整体制作方法包括如下:
S1,对所有混纺前的材料预处理加工,保持原料的清洁,控制直径在 2-5um;
S2,将处理后的材料进行混纺,混纺完成后,放入配置好的混合溶液进行浸泡,浸泡时间控制在35-45min;
S3,将浸泡过后的面料用弱酸进行充分清洗,清洗过后进行烘干,然后在织物表面施以喷涂外包覆层,将外包覆层在组合纤维表面成膜,最后对其进行紫外线杀菌消毒,即完成加工。
步骤S3中,在喷涂外包覆层后需要进行烘干,烘干首先进行冷风烘干,利用冷风机烘干,烘干时间控制位5-12min,然后再进行热风烘干,烘干时间控制为10-20min,热烘干的温度控制在80-140℃,整体过程前期快烘后慢烘,最后自然冷却。
步骤S2中的混合溶液百分浓度在35-75%,选择醋酸、硅烷偶联剂、氢氟酸水溶液通过按照1.4:2:0.8的比例进行充分混合而成。
所述外包覆层设为阻燃混合溶剂,所述外包覆层包括以下材料分数,磷酸三丁酯5-12份、氯丹酸酐3-12份、三聚氰胺盐4-8份、氯丹酸酐7-20份、羟基铝2-3.5份、三氧化二锑3.5-8份、五溴乙基苯4.5-10份。
所述外包覆层包括以下材料分数,磷酸三丁酯12份、氯丹酸酐12份、三聚氰胺盐8份、氯丹酸酐20份、羟基铝3.5份、三氧化二锑8份、五溴乙基苯10份。
所述外包覆层溶液的制作包括如下,
A,将磷酸三丁酯、氯丹酸酐、三聚氰胺盐、氯丹酸酐、羟基铝、三氧化二锑、五溴乙基苯1,充分混合反应后,利用氩气惰性气体保护下,在75-95℃下加热0.3-0.6h;
B,将其倒入在反应釜中,充分搅拌均匀,搅拌转速控制在120-240r/min,并保持120℃,持续30min,然后静置冷却至室温,形成高粘度的外包覆层原液。
综上,本发明的设计的外包覆层溶液可以渗透到对应组合纤维中,利用外包覆层溶液在组合纤维的外部形成一层特殊的外包覆层,大大提高了整体的阻燃性能,使用较为安全。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点,对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。
Claims (8)
1.一种包覆型阻燃涤纶纤维,其特征在于,包括组合纤维和外包覆层,所述外包覆层设于所述组合纤维的外部,所述组合纤维包括蛋白纤维、真丝纤维、改性炭纤维、改性聚酯纤维和涤纶丝纤维,其中所述蛋白纤维占比设为5-15%,所述真丝纤维占比设为2-8%,所述改性聚酯纤维占比设为25-42%,所述改性炭纤维占比设为5-10%,所述涤纶丝纤维的占比设为10-25%。
2.根据权利要求1所述的一种包覆型阻燃涤纶纤维,其特征在于,还包括,其中所述蛋白纤维占比设为15%,所述真丝纤维占比设为8%,所述改性聚酯纤维占比设为42%,所述改性炭纤维占比设为10%,所述涤纶丝纤维的占比设为25%。
3.根据权利要求1所述的一种包覆型阻燃涤纶纤维,其特征在于,所述组合纤维与外包覆层的整体制作方法包括如下:
S1,对所有混纺前的材料预处理加工,保持原料的清洁,控制直径在2-5um;
S2,将处理后的材料进行混纺,混纺完成后,放入配置好的混合溶液进行浸泡,浸泡时间控制在35-45min;
S3,将浸泡过后的面料用弱酸进行充分清洗,清洗过后进行烘干,然后在织物表面施以喷涂外包覆层,将外包覆层在组合纤维表面成膜,最后对其进行紫外线杀菌消毒,即完成加工。
4.根据权利要求3所述的一种包覆型阻燃涤纶纤维,其特征在于,步骤S3中,在喷涂外包覆层后需要进行烘干,烘干首先进行冷风烘干,利用冷风机烘干,烘干时间控制位5-12min,然后再进行热风烘干,烘干时间控制为10-20min,热烘干的温度控制在80-140℃,整体过程前期快烘后慢烘,最后自然冷却。
5.根据权利要求3所述的一种包覆型阻燃涤纶纤维,其特征在于,步骤S2中的混合溶液百分浓度在35-75%,选择醋酸、硅烷偶联剂、氢氟酸水溶液通过按照1.4:2:0.8的比例进行充分混合而成。
6.根据权利要求1所述的一种包覆型阻燃涤纶纤维,其特征在于,所述外包覆层设为阻燃混合溶剂,所述外包覆层包括以下材料分数,磷酸三丁酯5-12份、氯丹酸酐3-12份、三聚氰胺盐4-8份、氯丹酸酐7-20份、羟基铝2-3.5份、三氧化二锑3.5-8份、五溴乙基苯4.5-10份。
7.根据权利要求6所述的一种包覆型阻燃涤纶纤维,其特征在于,所述外包覆层包括以下材料分数,磷酸三丁酯12份、氯丹酸酐12份、三聚氰胺盐8份、氯丹酸酐20份、羟基铝3.5份、三氧化二锑8份、五溴乙基苯10份。
8.根据权利要求6所述的一种包覆型阻燃涤纶纤维,其特征在于,所述外包覆层溶液的制作包括如下,
A,将磷酸三丁酯、氯丹酸酐、三聚氰胺盐、氯丹酸酐、羟基铝、三氧化二锑、五溴乙基苯1,充分混合反应后,利用氩气惰性气体保护下,在75-95℃下加热0.3-0.6h;
B,将其倒入在反应釜中,充分搅拌均匀,搅拌转速控制在120-240r/min,并保持120℃,持续30min,然后静置冷却至室温,形成高粘度的外包覆层原液。
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