CN113789653A - 一种涤纶加弹复合丝及其制备方法 - Google Patents
一种涤纶加弹复合丝及其制备方法 Download PDFInfo
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- 229920000728 polyester Polymers 0.000 title claims abstract description 154
- 239000002131 composite material Substances 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000003607 modifier Substances 0.000 claims abstract description 45
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 18
- 125000002091 cationic group Chemical group 0.000 claims abstract description 13
- 239000002280 amphoteric surfactant Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 6
- -1 aliphatic polyol Chemical class 0.000 claims description 21
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 21
- 229920004933 Terylene® Polymers 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 13
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 11
- 239000004925 Acrylic resin Substances 0.000 claims description 10
- 229920000178 Acrylic resin Polymers 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 6
- 229920005862 polyol Polymers 0.000 claims description 6
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
- 239000001110 calcium chloride Substances 0.000 claims description 3
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 3
- 238000011221 initial treatment Methods 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 235000002639 sodium chloride Nutrition 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 235000011148 calcium chloride Nutrition 0.000 claims description 2
- 150000002191 fatty alcohols Chemical class 0.000 claims description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
- 235000011147 magnesium chloride Nutrition 0.000 claims description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 2
- 235000011151 potassium sulphates Nutrition 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 125000002843 carboxylic acid group Chemical group 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical group 0.000 abstract description 9
- 125000001931 aliphatic group Chemical group 0.000 abstract description 7
- 239000004744 fabric Substances 0.000 abstract description 5
- 150000005846 sugar alcohols Polymers 0.000 abstract description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 abstract 1
- 238000009987 spinning Methods 0.000 abstract 1
- 238000004040 coloring Methods 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 14
- 238000004043 dyeing Methods 0.000 description 10
- 239000000975 dye Substances 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 239000003086 colorant Substances 0.000 description 6
- JGHZJRVDZXSNKQ-UHFFFAOYSA-N methyl octanoate Chemical compound CCCCCCCC(=O)OC JGHZJRVDZXSNKQ-UHFFFAOYSA-N 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- 229920004934 Dacron® Polymers 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- IDHBLVYDNJDWNO-UHFFFAOYSA-N propyl octanoate Chemical compound CCCCCCCC(=O)OCCC IDHBLVYDNJDWNO-UHFFFAOYSA-N 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- WJTCHBVEUFDSIK-NWDGAFQWSA-N (2r,5s)-1-benzyl-2,5-dimethylpiperazine Chemical group C[C@@H]1CN[C@@H](C)CN1CC1=CC=CC=C1 WJTCHBVEUFDSIK-NWDGAFQWSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- SHZIWNPUGXLXDT-UHFFFAOYSA-N ethyl hexanoate Chemical compound CCCCCC(=O)OCC SHZIWNPUGXLXDT-UHFFFAOYSA-N 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Natural products OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- YRHYCMZPEVDGFQ-UHFFFAOYSA-N methyl decanoate Chemical compound CCCCCCCCCC(=O)OC YRHYCMZPEVDGFQ-UHFFFAOYSA-N 0.000 description 2
- 239000000693 micelle Substances 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- YYZUSRORWSJGET-UHFFFAOYSA-N octanoic acid ethyl ester Natural products CCCCCCCC(=O)OCC YYZUSRORWSJGET-UHFFFAOYSA-N 0.000 description 2
- 239000008041 oiling agent Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 1
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 description 1
- 239000005640 Methyl decanoate Substances 0.000 description 1
- 229920001214 Polysorbate 60 Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- SYHRPJPCZWZVSR-UHFFFAOYSA-M n-benzyl-4-[(2,4-dimethyl-1,2,4-triazol-4-ium-3-yl)diazenyl]-n-methylaniline;bromide Chemical compound [Br-].C=1C=C(N=NC2=[N+](C=NN2C)C)C=CC=1N(C)CC1=CC=CC=C1 SYHRPJPCZWZVSR-UHFFFAOYSA-M 0.000 description 1
- DVEKCXOJTLDBFE-UHFFFAOYSA-N n-dodecyl-n,n-dimethylglycinate Chemical group CCCCCCCCCCCC[N+](C)(C)CC([O-])=O DVEKCXOJTLDBFE-UHFFFAOYSA-N 0.000 description 1
- 229960002446 octanoic acid Drugs 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
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- D06M13/148—Polyalcohols, e.g. glycerol or glucose
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- D01H13/306—Moistening, sizing, oiling, waxing, colouring, or drying yarns or the like as incidental measures during spinning or twisting by applying fluids, e.g. steam or oiling liquids
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- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
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- D06M11/07—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
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Abstract
本申请涉及丝线加工领域,具体涉及一种涤纶加弹复合丝及其制备方法,该涤纶加弹复合丝通过涤纶POY‑A和涤纶POY‑B共同加弹并捻后,得到初步处理涤纶丝,再将初步处理涤纶丝经改性剂A进行改性得到;所述涤纶POY‑A为阳离子涤纶POY,所述涤纶POY‑B为普通涤纶POY,所述改性剂具体包括两性表面活性剂、非离子表面活性剂、脂肪族多元醇、6~10碳脂肪族单链端羧酸、6~10碳脂肪族单链端羧酸脂肪醇、水。上述涤纶加弹复合丝在纺织过程中,形成的面料着色均匀,不易生成花点。
Description
技术领域
本申请涉及丝线加工领域,更具体地说,它涉及一种涤纶加弹复合丝及其制备方法。
背景技术
涤纶加弹复合丝是一种重要的纺织中间体,具有广泛的运用。
在涤纶加弹复合丝中,常会使用不同的涤纶POY进行加弹后并捻,以实现不同规格的涤纶加弹复合丝。在实际操作过程中,为了调整涤纶加弹复合丝的着色能力,有时也会将阳离子涤纶加弹复合丝和普通涤纶加弹复合丝共同并捻,通过阳离子涤纶加弹复合丝特殊的着色性质,使最终制得的涤纶丝具有特定的着色能力。
在实际操作时,由于阳离子涤纶加弹复合丝和普通涤纶加弹复合丝的着色性能不同,在染色过程中,较难实现均染,染色时容易出现色点瑕疵,进而使得涤纶丝的良品率降低。
发明内容
为了减少上述涤纶加弹复合丝,本申请提供一种涤纶加弹复合丝及其制备方法。
首先,本申请提供了一种涤纶加弹复合丝,通过涤纶POY-A和涤纶POY-B共同加弹并捻后,得到初步处理涤纶丝,再将初步处理涤纶丝经改性剂A进行改性得到;所述涤纶POY-A为阳离子涤纶POY,所述涤纶POY-B为普通涤纶POY,所述改性剂具体包括如下重量份的组分:
两性表面活性剂:5.5~7份;
非离子表面活性剂:8~10份;
脂肪族多元醇:1~1.5份;
6~10碳脂肪族单链端羧酸:2~2.4份;
6~10碳脂肪族单链端羧酸脂肪醇酯;1.5~2份;
水:100份;
其中脂肪族多元醇中的碳数不超过3。
在上述技术方案中,将涤纶POY-A和涤纶POY-B进行并捻后,通过改性剂进行改性,使得制备得到的涤纶加弹复合丝具有较好的均染性能。
在改性剂中,首先采用了两性表面活性剂和非离子表面活性剂的组合,两性表面活性剂在阳离子涤纶POY表面具有较好的吸附性能,非离子表面活性剂在普通涤纶POY表面具有较好的吸附性能,且表面活性剂一般具有较好的相容性,因此其原理涤纶POY的一端生成的结构会较为均匀,有助于减少颜料在涤纶丝表面的不均匀分布,进而减少色点的形成。
在改性剂中,还加入了脂肪族多元醇,脂肪族多元醇可以附着在表面活性剂形成的结构中,提高对于颜料的吸附性能,6~10碳脂肪族单链端羧酸和6~10碳脂肪族单链端羧酸脂肪醇酯则可以形成柔性的分子链,进而使得制备得到的涤纶加弹复合丝表面具有较为柔软的结构,也有助于进一步提高着色剂的分散均匀度。
经过实验证明,上述技术方案中的,制备得到的涤纶加弹复合丝表面着色均匀,色点较少,且对丝线性能没有明显影响。
可选的,所述6~10碳单链端羧酸脂肪醇中的脂肪醇为乙醇、丙醇中的一种。
采用乙醇之或丙醇酯,相较于甲醇酯具有较好的亲和性,对染料具有较好的亲和性,使得着色均匀度较好。
可选的,所述改性剂还包括重量份为4~6份的无机盐,所述无机盐选用氯化钠、氯化钾、氯化镁、氯化钙、硫酸钠、硫酸钾中的任意一种。
在上述技术方案中,加入无机盐有助于减少改性剂中的表面活性剂形成胶束体系,破坏改性剂中的微胶囊结构,进一步提高改性剂的均匀度,同时使两性表面活性剂和非离子表面活性剂可以更好地黏附在涤纶丝的表面。
可选的,所述改性剂中还包括重量份为1~1.2份的水性丙烯酸树脂。
水性丙烯酸树脂有助于进一步提高并捻后丝线整体的统一性和完整性,使丝线着色更加均匀,着色能力更强,且不易掉色。
可选的,初步处理涤纶丝的具体改性过程如下:
在初步处理涤纶丝表面涂抹改性剂,随后在120~150℃下干燥,干燥时间为1.5~2s,干燥完毕后再经过上油、上油完毕后再进行收卷。
上述方案中,在涤纶丝表面涂抹改性剂后,通过加热快速干燥再进行上油,可以将干燥步骤和定型步骤进行合并,同时通过较短的干燥时间有助于减少对涤纶丝本身的损伤,并使涤纶丝可以充分吸附改性剂,进一步提高涤纶丝表面的着色均匀度。
可选的,改性剂A相较于初步改性涤纶丝的用量为10~15mg/g。
上述技术方案中限定了改性剂的用量,改性剂用量过大会导致丝线整体柔顺度下降,而改性剂用量过少则会使改性剂的均染效果降低,经实验证实,上述改性剂用量较为适宜。
可选的,初步处理涤纶丝经干燥后,冷却至表面温度为30~50℃,再进行上油。
干燥后对丝线进行冷却处理,在冷却过程中有助于减少油剂导致的改性助剂脱离的现象,提高改性助剂在涤纶丝表面的黏附程度,进一步促进涤纶丝对染料的吸附性能和着色均匀度。
另外本申请还提供上述涤纶加弹复合丝的制备方法,包括如下步骤:
S1、对涤纶POY-A和涤纶POY-B进行分别预热,预热后分别进行加捻、牵伸,得到预加工涤纶丝A和预加工涤纶丝B;
S2、将预加工涤纶丝A和预加工涤纶丝B进行并捻,得到初步处理涤纶丝;
S3、在初步处理涤纶丝上涂抹改性剂,随后在140~150℃下干燥处理;
S4、将干燥处理后的涤纶丝冷却至30~50℃,再进行上油和卷绕,得到涤纶加弹复合丝。
在上述技术方案中,制备得到的涤纶加弹复合丝具有较好的均染性能,制备成袜带并进行染色后,袜带表面出现的不均匀色点较少,着色较为均匀,且不易掉色,具有较好的性能。
可选的,在步骤S1中,预热温度为190~200℃。
采用较高的预热温度,可以使涤纶丝中的高分子形成较为均匀稳定的晶型,并可以形成一定的空隙供改性助剂中的部分成分吸附,进一步提高制备得到的涤纶加弹复合丝染色的均匀度。
综上所述,本申请具备如下至少一种有益效果:
1、在本申请中,通过设置两性表面活性剂和非离子表面活性剂的组合,并加入脂肪族多元醇、6~10碳脂肪族单链端羧酸和6~10碳脂肪族单链端羧酸脂肪醇酯,制备得到改性剂对初步处理涤纶丝进行改性处理,得到的涤纶丝在纺织染色时染色较为均匀,不易生成花点。
2、在本申请进一步设置中,通过在改性剂中加入无机盐,进一步提高了改性剂的均匀性和改性剂中的成分对涤纶丝的吸附性,进而进一步提升涤纶丝的染色均匀度。
3、在本申请进一步设置中,通过添加水性丙烯酸树脂,进一步提高了涤纶加弹复合丝在经处理后对染色剂的着色能力。
具体实施方式
以下结合实施例对本申请作进一步详细说明。
在以下实施例中,部分物料的规格参数如表1所示。
表1、物料参数规格表
实施例1~13,均为一种涤纶加弹复合丝,其制备方法如下:
S1、将涤纶POY-A和涤纶POY-B经过热箱以200℃预热5s,对两根丝线进行加捻,加捻的捻度为10,加捻完毕后进行牵伸,牵伸比为1.65;处理完毕后得到预加工涤纶丝A和预加工涤纶丝B。
S2、将预加工涤纶丝A和预加工涤纶丝B进行并捻,使两根纤维并捻成一根纤维,得到初步处理的涤纶丝;
S3、将初步处理涤纶丝通过第一上油辊,在其表面涂覆改性剂,其中改性剂的配置具体如表2所示,随后通过热箱并在150℃下进行干燥;其中,改性剂的用量相较于涤纶POY-A和涤纶POY-B的总质量为10mg/g。
S4、对上述处理完毕的涤纶丝通过环吹风冷却至30℃,再在第二上油辊进行上油,油剂的用量相较于涤纶丝的质量为6mg/g,上油完毕后以1500m/min的速度进行卷绕,得到涤纶加弹复合丝。
同时,设置对比例如下:
对比例1~5,一种涤纶加弹复合丝,与实施例3的区别在于,其中所用的改性剂的配比具体如表2所示。
表2、实施例1~13及对比例1~5中每1kg水中所加入的改性剂组分的质量(g)
在上述实施例和对比例中,涤纶POY-A为阳离子涤纶POY,150D288F,涤纶POY-B为普通涤纶纤维,150D288F。无机盐选用氯化钠。脂肪族多元醇为乙二醇,6~10碳脂肪族单链端羧酸为辛酸,6~10碳脂肪族单链端羧酸脂肪醇酯为辛酸乙酯。水性丙烯酸树脂以丙烯酸树脂乳液的形式加入,含固量为45%。两性表面活性剂为十二烷基甜菜碱,非离子表面活性剂为吐温-60。上表中,水性丙烯酸树脂的质量为实际加入的水性丙烯酸乳液中水性丙烯酸树脂的质量,且水性丙烯酸树脂乳液中的水的质量计入水的总量中。
对比例6,一种涤纶加弹复合丝,与实施例3的区别在于,在步骤S3中,涤纶丝不经过第一上油辊。
同时,在上述实施例的基础上,进行如下调整:
实施例14,一种涤纶加弹复合丝,与实施例3的区别在于,6~10碳脂肪族单链羧酸为己酸。
实施例15,一种涤纶加弹复合丝,与实施例3的区别在于,6~10碳脂肪族单链羧酸为癸酸。
实施例16,一种涤纶加弹复合丝,与实施例3的区别在于,6~10碳脂肪族单链羧酸脂肪醇酯为己酸乙酯。
实施例17,一种涤纶加弹复合丝,与实施例3的区别在于,6~10碳脂肪族单链羧酸脂肪醇酯为癸酸甲酯。
实施例18,一种涤纶加弹复合丝,与实施例3的区别在于,6~10碳脂肪族单链羧酸脂肪醇酯为辛酸丙酯。
实施例19,一种涤纶加弹复合丝,与实施例3的区别在于,脂肪族多元醇为丙三醇。
实施例20,一种涤纶加弹复合丝,与实施例3的区别在于,6~10碳脂肪族单链羧酸脂肪醇酯为辛酸甲酯。
实施例21,一种涤纶加弹复合丝,与实施例7的区别在于,无机盐选用氯化钾。
实施例22,一种涤纶加弹复合丝,与实施例7的区别在于,无机盐选用氯化钙。
实施例23,一种涤纶加弹复合丝,与实施例7的区别在于,无机盐选用硫酸钠。
实施例24,一种涤纶加弹复合丝,与实施例13的区别在于,制备步骤如下:
S1、将涤纶POY-A和涤纶POY-B经过热箱以190℃预热5s,对两根丝线进行加捻,加捻的捻度为10,加捻完毕后进行牵伸,牵伸比为1.65;处理完毕后得到预加工涤纶丝A和预加工涤纶丝B。
S2、将预加工涤纶丝A和预加工涤纶丝B进行并捻,使两根纤维并捻成一根纤维,得到初步处理的涤纶丝;
S3、将初步处理涤纶丝通过第一上油辊,在其表面涂覆改性剂,随后通过热箱并在140℃下进行干燥;其中,改性剂的用量相较于涤纶POY-A和涤纶POY-B的总质量为10mg/g。
S4、对上述处理完毕的涤纶丝通过环吹风冷却至30℃,再在第二上油辊进行上油,油剂的用量相较于涤纶丝的质量为6mg/g,上油完毕后以1500m/min的速度进行卷绕,得到涤纶加弹复合丝。
实施例25,一种涤纶加弹复合丝,与实施例13的区别在于,在步骤S3中,改性剂的用量相较于涤纶POY-A和涤纶POY-B的总质量为15mg/g
实施例26,一种涤纶加弹复合丝,与实施例13的区别在于,在步骤S3中,改性剂的用量相较于涤纶POY-A和涤纶POY-B的总质量为20mg/g
实施例27,一种涤纶加弹复合丝,与实施例13的区别在于,在步骤S3中,改性剂的用量相较于涤纶POY-A和涤纶POY-B的总质量为5mg/g
对上述实施例和对比例,设置如下实验进行检测。
实验1、着色性能检测,将上述实施例和对比例中的涤纶加弹复合丝织成袜带,并进行染色,选用的染料具体如表3所示。
表3、选用的阳离子染料及对应编号
编号 | 1 | 2 | 3 |
染料 | 阳离子红x-GRL | 阳离子蓝NBLH | 阳离子紫F3RL |
染色时,染料浓度2%,浴比为1∶35,其他方法参数参照GB/T 6508-2015《GB/T6508-2015》。
对每个样品,制备总面积为10m2的袜带,并通过验布机进行验布,计量上面的色点数量。
实验2、着色能力检测,上述实施例和对比例中涤纶加弹复合丝织成的袜带,在经实验1染色后,再依照GB/T3921-2008中的方法,按照E(5)等级进行洗涤,并参照GB/T250-2008测定其色差等级。
对实施例1~27及对比例1~6进行上述实验,结果如表4所示。
表4、实施例1~27及对比例1~6的实验结果
通过上述实验数据进行对比,可以得到如下结论:
1、通过对比实施例1~4及对比例1~6可知,采用本申请中的技术方案相较于对比例中搞得方案,可以有效提高着色的均匀度,减少上述涤纶加弹复合丝纺织成面料后面料上的色点。在改性剂中,各组分均有至关重要的作用,缺一不可。通过对比例1和对比例2可以发现,不论采用单一的两性表面活性剂或是单一的非离子表面活性剂,都很难实现本申请中的效果。对比例4和对比例5则证明了6~10碳脂肪族单链端羧酸脂肪醇酯和6~10碳脂肪族单链端羧酸的重要性,其形成的柔性分子结构有助于提高着色剂的均匀分布程度。由于阳离子涤纶丝常用的着色剂中一般带有正电荷,因此通过两性表面活性剂可以减少着色剂之间的相互排斥效果,使得着色剂不易在阳离子涤纶丝和普通涤纶丝的边界上大量聚集,进而提高了着色的均有难度。
通过实施例5~9可知,加入无机盐有助于进一步提高丝线着色的均匀性,其原理可能在于对改性剂中胶束结构的破坏,使得表面活性剂可以更好地附着于涤纶丝的表面。实施例10~12中加入了丙烯酸树脂,提高了着色强度,使得着色后的染料不易掉色。
实施例14~23中,对各组分的选取进行了调整,其中实施例20选用了辛酸甲酯作为6~10碳脂肪族单链羧酸脂肪醇酯,其效果明显弱于辛酸乙酯和辛酸丙酯,原因可能在于辛酸甲酯的极性较强,在丝线表面容易形成有序排布结构,影响了表面活性剂在丝线表面的附着。
本具体实施例仅仅是对本申请的解释,其并不是对本申请的限制,本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改,但只7要在本申请的权利要求范围内都受到专利法的保护。
Claims (9)
1.一种涤纶加弹复合丝,其特征在于,通过涤纶POY-A和涤纶POY-B共同加弹并捻后,得到初步处理涤纶丝,再将初步处理涤纶丝经改性剂A进行改性得到;
所述涤纶POY-A为阳离子涤纶POY,所述涤纶POY-B为普通涤纶POY,所述改性剂具体包括如下重量份的组分:
两性表面活性剂:5.5~7份;
非离子表面活性剂:8~10份;
脂肪族多元醇:1~1.5份;
6~10碳脂肪族单链端羧酸:2~2.4份;
6~10碳脂肪族单链端羧酸脂肪醇酯;1.5~2份;
水:100份;
其中脂肪族多元醇中的碳数不超过3。
2.根据权利要求1所述的一种涤纶加弹复合丝,其特征在于,所述6~10碳单链端羧酸脂肪醇中的脂肪醇为乙醇、丙醇中的一种。
3.根据权利要求1所述的一种涤纶加弹复合丝,其特征在于,所述改性剂还包括重量份为4~6份的无机盐,所述无机盐选用氯化钠、氯化钾、氯化镁、氯化钙、硫酸钠、硫酸钾中的任意一种。
4.根据权利要求1所述的一种涤纶加弹复合丝,其特征在于,所述改性剂中还包括重量份为1~1.2份的水性丙烯酸树脂。
5.根据权利要求1所述的一种涤纶加弹复合丝,其特征在于,初步处理涤纶丝的具体改性过程如下:
在初步处理涤纶丝表面涂抹改性剂,随后在120~150℃下干燥,干燥时间为1.5~2s,干燥完毕后再经过上油、上油完毕后再进行收卷。
6.根据权利要求5所述的一种涤纶加弹复合丝,其特征在于,改性剂A相较于初步改性涤纶丝的用量为10~15mg/g。
7.根据权利要求6所述的一种涤纶加弹复合丝,其特征在于,初步处理涤纶丝经干燥后,冷却至表面温度为30~50℃,再进行上油。
8.如权利要求1~7中任意一项所述的涤纶加弹复合丝的制备方法,其特征在于,包括如下步骤:
S1、对涤纶POY-A和涤纶POY-B进行分别预热,预热后分别进行加捻、牵伸,得到预加工涤纶丝A和预加工涤纶丝B;
S2、将预加工涤纶丝A和预加工涤纶丝B进行并捻,得到初步处理涤纶丝;
S3、在初步处理涤纶丝上涂抹改性剂,随后在140~150℃下干燥处理;
S4、将干燥处理后的涤纶丝冷却至30~50℃,再进行上油和卷绕,得到涤纶加弹复合丝。
9.根据权利要求8所述的涤纶加弹复合丝的制备方法,其特征在于,在步骤S1中,预热温度为190~200℃。
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