CN106436296A - 涤纶纺丝用油剂 - Google Patents

涤纶纺丝用油剂 Download PDF

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CN106436296A
CN106436296A CN201610518946.6A CN201610518946A CN106436296A CN 106436296 A CN106436296 A CN 106436296A CN 201610518946 A CN201610518946 A CN 201610518946A CN 106436296 A CN106436296 A CN 106436296A
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王良
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WUJIANG LIANGYAN TEXTILE AUXILIARY AGENT PLANT
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Abstract

本发明公开了一种涤纶纺丝用油剂，按重量份数计，包括以下组分：平滑剂35‑50份，抗静电剂1‑10份，表面活性剂10‑20份，消泡剂0.5‑2份，去离子水5‑10份，所述平滑剂为矿物油和植物油的混合物，所述抗静电剂为钾盐类或季铵盐类抗静电剂，所述表面活性剂为非离子表面活性剂，所述消泡剂为有机硅氧烷。该油剂稳定性好，安全环保，且提高了涤纶纤维质量，平滑性、集束性好，无毛丝和断头现象产生。

Description

涤纶纺丝用油剂
技术领域
本发明涉及一种化学纤维油剂，具体涉及一种涤纶纺丝用油剂。
背景技术
涤纶纺丝用油剂是涤纶纺牵一步法纺丝过程中必需的一种助剂，其作用是使纤维具有良好的平滑性、集束性、抗静电性，满足纤维加工的要求。目前我国大部分涤纶纺丝用油剂依靠进口，价格较高，对于目前赢利能力较差的化纤行业造成一定的成本负担。而国内自主研制的涤纶纺丝用油剂进口油剂相比存在质量不稳定、后加工性能较差的缺点。
良好的油剂要求具有质量稳定、不腐蚀设备、对人体无害等优点。
发明内容
本发明要解决的技术问题是克服现有技术的缺陷，提供一种涤纶纺丝用油剂，该油剂稳定性好，安全环保，且提高了涤纶纤维质量，平滑性、集束性好，无毛丝和断头现象产生。
为解决上述技术问题，本发明采用的技术方案是：
一种涤纶纺丝用油剂，按重量份数计，包括以下组分：
平滑剂35-50份，抗静电剂1-10份，表面活性剂10-20份，消泡剂0.5-2份，去离子水5-10份，所述平滑剂为矿物油和植物油的混合物，所述抗静电剂为钾盐类或季铵盐类抗静电剂，所述表面活性剂为非离子表面活性剂，所述消泡剂为有机硅氧烷。
优选的，平滑剂中矿物油为食品级白油，所述植物油选自棕榈油、大豆油、菜籽油、棉籽油、玉米油、米糠油、向日葵油、花生油、蓖麻油、芝麻油、花椒籽油、茶油、椰子油、橄榄油、黄连木油、榈油、松脂油中的一种或多种的混合物。
优选的，平滑剂中矿物油与植物油的重量比为1:2-1:5。
优选的，所述矿物油在40℃的运动粘度为2-20mm2/s ，进一步优选的，矿物油在40℃的运动粘度为2-10mm2/s。
优选的，所述植物油为C12 ～ C20 的甘油三酯或三脂肪酸类物质。C12或C20指含有12个或20个碳原子。
优选的，所述表面活性剂为油醇聚氧乙烯醚。
优选的，所述抗静电剂为脂肪醇磷酸酯钾盐或两性磷酸酯铵盐。
优选的，所述脂肪醇磷酸酯钾盐为C12 ～C18饱和脂肪醇磷酸酯钾盐。 C12或C18指含有12个或含有18个碳原子。
本发明所达到的有益效果：
本发明的油剂安全无毒，环境友好，制作成本较低；油剂稳定性好，用于涤纶纺丝工艺中时，可纺性好，无异常断头或毛丝，上油均匀，同等工艺条件下提高了产品质量。
具体实施方式
下面结合具体实施例对本发明作进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案，而不能以此来限制本发明的保护范围。
实施例1
（1）按重量份数计，称取平滑剂50份，抗静电剂8份，表面活性剂18份，消泡剂1.2份，去离子水8份，并于70℃下向反应釜中依次加入平滑剂、抗静电剂、表面活性剂、消泡剂和去离子水，搅拌45min，得涤纶纺丝用油剂；
（2）30℃下，在去离子水中加入防腐剂等添加剂，搅拌均匀后，边搅拌边加入上述混合油，得稀释后可直接使用的产品。
上述平滑剂为质量比为1:2的食品级白油和植物油的混合物，其中白油在40℃的运动粘度为7.89mm2/s，植物油C12 ～ C20 的甘油三酯类植物油，抗静电剂为C12-C18饱和脂肪醇磷酸酯钾盐，表面活性剂为油醇聚氧乙烯醚。
实施例2
（1）按重量份数计，称取平滑剂35份，抗静电剂3份，表面活性剂10份，消泡剂0.5份，去离子水5份，并于80℃下向反应釜中依次加入平滑剂、抗静电剂、表面活性剂、消泡剂和去离子水，搅拌45min，得涤纶纺丝用油剂；
（2）30℃下，在去离子水中加入防腐剂等添加剂，搅拌均匀后，边搅拌边加入上述涤纶纺丝用油剂，得稀释后可直接使用的产品。
上述平滑剂为质量比为1:5的食品级白油和植物油的混合物，其中白油在40℃的运动粘度为2.37mm2/s，植物油C12 ～ C20 的甘油三酯类植物油，抗静电剂为磷酸单-2-(N-羟乙基-N十二烷基)氨基乙酯二钾盐，表面活性剂为油醇聚氧乙烯醚。
实施例3
（1）按重量份数计，称取平滑剂45份，抗静电剂2份，表面活性剂10份，消泡剂1.8份，去离子水10份，并于80℃下向反应釜中依次加入平滑剂、抗静电剂、表面活性剂、消泡剂和去离子水，搅拌60min，得涤纶纺丝用油剂；
（2）35℃下，在去离子水中加入防腐剂等添加剂，搅拌均匀后，边搅拌边加入上述涤纶纺丝用油剂，得稀释后可直接使用的产品。
上述平滑剂为质量比为1:5的食品级白油和植物油的混合物，其中白油在40℃的运动粘度为9.12mm2/s，植物油C12 ～ C20 的三脂肪酸类植物油，抗静电剂为C12-C18饱和脂肪醇磷酸酯钾盐，表面活性剂为油醇聚氧乙烯醚。
对比例1
（1）按重量份数计，称取平滑剂50份，抗静电剂8份，表面活性剂18份，消泡剂1.2份，去离子水8份，并于70℃下向反应釜中依次加入平滑剂、抗静电剂、表面活性剂、消泡剂和去离子水，搅拌45min，得涤纶纺丝用油剂；
（2）30℃下，在去离子水中加入防腐剂等添加剂，搅拌均匀后，边搅拌边加入上述涤纶纺丝用油剂，得稀释后可直接使用的产品。
上述平滑剂为植物油，或植物油与动物油脂的混合物，抗静电剂为C12-C18饱和脂肪醇磷酸酯钾盐，表面活性剂为油醇聚氧乙烯醚。
对比例2
（1）按重量份数计，称取平滑剂50份，抗静电剂8份，表面活性剂18份，消泡剂1.2份，去离子水8份，并于70℃下向反应釜中依次加入平滑剂、抗静电剂、表面活性剂、消泡剂和去离子水，搅拌45min，得涤纶纺丝用油剂；
（2）30℃下，在去离子水中加入防腐剂等添加剂，搅拌均匀后，边搅拌边加入上述涤纶纺丝用油剂，得稀释后可直接使用的产品。
上述平滑剂为白油或其他精制矿物油，抗静电剂为C12-C18饱和脂肪醇磷酸酯钾盐，表面活性剂为油醇聚氧乙烯醚。
产品性能及使用效果：
实施例1-3和对比例1-2中涤纶纺丝用油剂外观呈淡黄色或黄色透明液体，PH值6.0-8.0，稀释后得到的可直接使用的产品性能：在25℃的室温中72h后，仍透明，无变化，未破乳，升温至85℃时，20h后不破乳不挂壁；使用该油剂纺纤时均未出现毛丝，纤维具有良好的平滑性、集束性。对比例中产品在25℃的室温中72h后，仍透明，无变化，未破乳，升温至85℃时，2h后就破乳挂壁。
将实施例1-3中涤纶纺丝用油剂与去离子水配成50%的乳液，在25℃的室温中20h后，仍透明，无变化，40℃，2h后未破乳，将对比例1-2中涤纶纺丝用油剂与去离子水配成50%的乳液发现，在25℃的室温中12h后，仍透明，无变化，未破乳，18h后，乳液分层，破乳挂壁。由此可见，本配方中选用的平滑剂能提高油剂的稳定性。
可纺性和平滑性，实施例1-3中可纺性、平滑性优于实施例1-2，且实施例1-3与对比例1-2相比上油更均匀，无毛丝、断头现象。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和变形，这些改进和变形也应视为本发明的保护范围。

Claims (8)

1.一种涤纶纺丝用油剂，其特征在于，按重量份数计，包括以下组分：
平滑剂35-50份，抗静电剂1-10份，表面活性剂10-20份，消泡剂0.5-2份，去离子水5-10份，所述平滑剂为矿物油和植物油的混合物，所述抗静电剂为钾盐类或季铵盐类抗静电剂，所述表面活性剂为非离子表面活性剂，所述消泡剂为有机硅氧烷。
2.根据权利要求1所述的涤纶纺丝用油剂，其特征在于，平滑剂中矿物油为食品级白油，所述植物油选自棕榈油、大豆油、菜籽油、棉籽油、玉米油、米糠油、向日葵油、花生油、蓖麻油、芝麻油、花椒籽油、茶油、椰子油、橄榄油、黄连木油、榈油、松脂油中的一种或多种的混合物。
3.根据权利要求1或2所述的涤纶纺丝用油剂，其特征在于，平滑剂中矿物油与植物油的重量比为1:2-1:5。
4.根据权利要求3所述的涤纶纺丝用油剂，其特征在于，所述矿物油在40℃的运动粘度为2-20mm2/s 。
5.根据权利要求4所述的涤纶纺丝用油剂，其特征在于，所述植物油为C12 ～ C20 的甘油三酯或三脂肪酸类物质。
6.根据权利要求1或5所述的涤纶纺丝用油剂，其特征在于，所述表面活性剂为油醇聚氧乙烯醚。
7.根据权利要求6所述的涤纶纺丝用油剂，其特征在于，所述抗静电剂为脂肪醇磷酸酯钾盐或两性磷酸酯铵盐。
8.根据权利要求7所述的涤纶纺丝用油剂，其特征在于，所述脂肪醇磷酸酯钾盐为C12-C18饱和脂肪醇磷酸酯钾盐。
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108385379A (zh) * 2018-01-15 2018-08-10 宏杰内衣股份有限公司 一种亲肤型文胸背扣
CN109722889A (zh) * 2019-01-02 2019-05-07 上海中孚特种油品有限公司 一种环保型纺丝油剂及其制备方法
CN113832573A (zh) * 2021-09-28 2021-12-24 苏州市吴江区顺源植物油脂科技有限公司 环保型水性dty油剂及其应用和使用方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5232742A (en) * 1992-05-15 1993-08-03 Bridgestone/Firestone, Inc. Spin finish composition
CN1263954A (zh) * 1999-11-26 2000-08-23 浙江皇马化工集团有限公司 涤纶高速纺丝油剂及其制造方法
CN101463559A (zh) * 2009-01-09 2009-06-24 河南正通化工有限公司 一种烟用醋酸纤维丝束油剂及其制备方法
CN101886334A (zh) * 2009-05-15 2010-11-17 中国石油天然气股份有限公司 聚丙烯纺丝用油剂
CN103061115A (zh) * 2012-12-24 2013-04-24 桐乡市恒隆化工有限公司 用于wings设备生产的涤纶FDY油剂及其生产方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5232742A (en) * 1992-05-15 1993-08-03 Bridgestone/Firestone, Inc. Spin finish composition
CN1263954A (zh) * 1999-11-26 2000-08-23 浙江皇马化工集团有限公司 涤纶高速纺丝油剂及其制造方法
CN101463559A (zh) * 2009-01-09 2009-06-24 河南正通化工有限公司 一种烟用醋酸纤维丝束油剂及其制备方法
CN101886334A (zh) * 2009-05-15 2010-11-17 中国石油天然气股份有限公司 聚丙烯纺丝用油剂
CN103061115A (zh) * 2012-12-24 2013-04-24 桐乡市恒隆化工有限公司 用于wings设备生产的涤纶FDY油剂及其生产方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杨占平等: "植物油改性技术及在醋纤纺丝油剂中应用", 《广东化工》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108385379A (zh) * 2018-01-15 2018-08-10 宏杰内衣股份有限公司 一种亲肤型文胸背扣
CN109722889A (zh) * 2019-01-02 2019-05-07 上海中孚特种油品有限公司 一种环保型纺丝油剂及其制备方法
CN113832573A (zh) * 2021-09-28 2021-12-24 苏州市吴江区顺源植物油脂科技有限公司 环保型水性dty油剂及其应用和使用方法
CN113832573B (zh) * 2021-09-28 2023-11-24 苏州市吴江区顺源植物油脂科技有限公司 环保型水性dty油剂及其应用和使用方法

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