CN111838151A - 一种高浓度十二烷基苯磺酸钠溶液的制备方法 - Google Patents

一种高浓度十二烷基苯磺酸钠溶液的制备方法 Download PDF

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CN111838151A
CN111838151A CN202010688288.1A CN202010688288A CN111838151A CN 111838151 A CN111838151 A CN 111838151A CN 202010688288 A CN202010688288 A CN 202010688288A CN 111838151 A CN111838151 A CN 111838151A
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dodecyl benzene
benzene sulfonate
sodium dodecyl
solution
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卢朋星
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Shanxi Zhencaokang Biotechnology Co ltd
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Shanxi Zhencaokang Biotechnology Co ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/22—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/32—Ingredients for reducing the noxious effect of the active substances to organisms other than pests, e.g. toxicity reducing compositions, self-destructing compositions

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  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Agronomy & Crop Science (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

本发明属于表面活性剂技术领域，具体涉及一种高浓度十二烷基苯磺酸钠溶液的制备方法。本发明一种高浓度十二烷基苯磺酸钠溶液的制备方法，通过十二烷基苯磺酸与聚乙二醇按照重量比混合均匀后冷却，用氢氧化钠溶液进行中和反应至混合液pH值为6.5～7，制成十二烷基苯磺酸钠黄色油状溶液。在制备的过程中加入增溶稳定剂聚乙二醇，大幅度提高了整个油状体系的兼容性和稳定性，利于其在农药领域中作为乳化剂和润湿剂使用，提高农药制剂配方的稳定性，且聚乙二醇无毒无害，可用于杀虫杀螨，也降低了农药的毒性。本发明制备工艺简单，易于工业化大规模制备，成本低廉、操作简单，整个制备工艺过程环保绿色，无任何废气、废液和废渣产生。

Description

一种高浓度十二烷基苯磺酸钠溶液的制备方法
技术领域
本发明属于表面活性剂技术领域，具体涉及一种高浓度十二烷基苯磺酸钠溶液的制备方法。
背景技术
十二烷基苯磺酸钠作为一种阴离子表面活性剂，具有良好的表面活性，亲水性较强，有效降低油-水界面的张力，达到乳化作用。因此十二烷基苯磺酸钠在化妆品、食品、印染助剂、农药等乳状液配制中得到较广泛的应用。
但是目前市场上常见的十二烷基苯磺酸钠多以粉状或者含量低于30％的溶液状态存在，而粉状的十二烷基苯磺酸钠容易分层沉淀，导致乳状液容易结块沉淀，很不稳定；含量低于30％的溶液，在乳状液配制中因含量过低不易调制配方和操作加工，按照现有技术当浓度高于30％就变成白色浓膏状或者油膏分层的状态，不利于在实际生产中使用。因此提高十二烷基苯磺酸钠溶液浓度，使其在乳状液配制中达到理想的使用效果，成为迫切需要解决的问题。
发明内容
针对上述问题本发明提供了一种高浓度十二烷基苯磺酸钠溶液的制备方法，解决了背景技术中的问题。
为了达到上述目的，本发明采用了下列技术方案：
一种高浓度十二烷基苯磺酸钠溶液的制备方法，十二烷基苯磺酸与聚乙二醇按照重量比为5:0.5～2的比例混合均匀后冷却到50～60℃，用氢氧化钠溶液进行中和反应2～3h至混合液pH值为6.5～7，制成含量为55～65％的十二烷基苯磺酸钠黄色油状溶液。
与现有技术相比本发明具有以下优点：
在农药的配置中，乳化剂和润湿剂的作用是提高农药的稳定性，但是由于现有技术中十二烷基苯磺酸钠溶液浓度较低，影响和限制了其在农药配置中的应用。本发明采用上述技术方案，在制备的过程中加入增溶稳定剂聚乙二醇，大幅度提高了整个油状体系的兼容性和稳定性，利于其在农药领域中作为乳化剂和润湿剂使用，提高农药制剂配方的稳定性，且聚乙二醇无毒无害，可用于杀虫杀螨，也降低了农药的毒性。
本发明制备工艺简单，易于工业化大规模制备，成本低廉、操作简单，整个制备工艺过程环保绿色，无任何废气、废液和废渣产生。
具体实施方式
实施例1
一种高浓度十二烷基苯磺酸钠溶液的制备方法，十二烷基苯磺酸与聚乙二醇按照重量比为5:0.5的比例混合均匀后冷却到60℃，用氢氧化钠溶液进行中和反应2h至混合液pH值为6.5，制成含量为55％的十二烷基苯磺酸钠黄色油状溶液。
实施例2
一种高浓度十二烷基苯磺酸钠溶液的制备方法，十二烷基苯磺酸与聚乙二醇按照重量比为5:1.5的比例混合均匀后冷却到58℃，用氢氧化钠溶液进行中和反应2h至混合液pH值为6.8，制成含量为60％的十二烷基苯磺酸钠黄色油状溶液。
实施例3
一种高浓度十二烷基苯磺酸钠溶液的制备方法，十二烷基苯磺酸与聚乙二醇按照重量比为5:2的比例混合均匀后冷却到50℃，用氢氧化钠溶液进行中和反应3h至混合液pH值为7，制成含量为65％的十二烷基苯磺酸钠黄色油状溶液。
本发明说明书中未作详细描述的内容属于本领域专业技术人员公知的现有技术。尽管上面对本发明说明性的具体实施方式进行了描述，以便于本技术领的技术人员理解本发明，但应该清楚，本发明不限于具体实施方式的范围，对本技术领域的普通技术人员来讲，只要各种变化在所附的权利要求限定和确定的本发明的精神和范围内，这些变化是显而易见的，一切利用本发明构思的发明创造均在保护之列。

Claims (1)

1.一种高浓度十二烷基苯磺酸钠溶液的制备方法，其特征在于：十二烷基苯磺酸与聚乙二醇按照重量比为5:0.5～2的比例混合均匀后冷却到50～60℃，用氢氧化钠溶液进行中和反应2～3h至混合液pH值为6.5～7，制成含量为55～65％的十二烷基苯磺酸钠黄色油状溶液。
CN202010688288.1A 2020-07-16 2020-07-16 一种高浓度十二烷基苯磺酸钠溶液的制备方法 Pending CN111838151A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101632353A (zh) * 2009-08-18 2010-01-27 青岛星牌作物科学有限公司 十二烷基苯磺酸钠水溶液及制备方法及其应用
KR101205697B1 (ko) * 2011-12-05 2012-11-29 주식회사 영일케미컬 생력화 수면확산형 농약입제 및 그 제조방법
CN110938022A (zh) * 2019-11-04 2020-03-31 广东丽臣奥威实业有限公司 一种改良的十二烷基苯磺酸钠溶液的制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101632353A (zh) * 2009-08-18 2010-01-27 青岛星牌作物科学有限公司 十二烷基苯磺酸钠水溶液及制备方法及其应用
KR101205697B1 (ko) * 2011-12-05 2012-11-29 주식회사 영일케미컬 생력화 수면확산형 농약입제 및 그 제조방법
CN110938022A (zh) * 2019-11-04 2020-03-31 广东丽臣奥威实业有限公司 一种改良的十二烷基苯磺酸钠溶液的制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
冯先华等: ""聚乙二醇对十二烷基苯磺酸钠胶束形成和溶解性的影响"", 《湖北大学学报（自然科学版）》 *

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