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Organic silicon modified polycarboxylate dispersing agent and preparation method and application thereof
The invention provides an organic silicon modified polycarboxylate dispersing agent and a preparation method and application thereof, and belongs to the technical field of surfactants. The organic silicon modified polycarboxylate dispersing agent is low in production cost and environment-friendly, has high dispersing and wetting capacity and low-foam dispersing capacity, can remarkably reduce surface tension, and is good in dispersing stability. Specifically, hydroxycellulose is used as a raw material, is wide in source, low in price and biodegradable and is a sustainable development resource,micromolecular unsaturated carboxylic acid is used for grafting hydroxycellulose, meanwhile, unsaturated polyether compounds are used for providing hydrophilic side chains, and a silane coupling agent is used for modification so as to reduce the surface tension of hydroxycellulose; the polycarboxylate dispersing agent with excellent wetting dispersity is finally obtained, water is used as a solvent, and the polycarboxylate dispersing agent is low in cost and environmentally friendly and can be widely applied to the fields of pesticides, dyes or concrete.
本发明提供了一种有机硅改性聚羧酸盐分散剂及其制备方法和应用，属于表面活性剂技术领域。本发明提供的有机硅改性聚羧酸盐分散剂生产成本低，环境友好，且具有高分散润湿能力，低泡分散能力，能够显著降低表面张力，分散稳定性好。具体的，本发明以羟基纤维素为原料，其来源广泛、价格便宜，可生物降解，为一种可持续发展资源，利用小分子不饱和羧酸对羟基纤维素进行接枝，同时利用不饱和聚醚类化合物提供亲水性侧链，利用硅烷偶联剂改性以降低其表面张力，最终得到一种具有优异润湿分散性的聚羧酸盐类分散剂，且以水作为溶剂，成本低、环境友好，可广泛应用于农药、染料或混凝土领域中。
Organic silicon modified polycarboxylate dispersing agent and preparation method and application thereof
The invention provides an organic silicon modified polycarboxylate dispersing agent and a preparation method and application thereof, and belongs to the technical field of surfactants. The organic silicon modified polycarboxylate dispersing agent is low in production cost and environment-friendly, has high dispersing and wetting capacity and low-foam dispersing capacity, can remarkably reduce surface tension, and is good in dispersing stability. Specifically, hydroxycellulose is used as a raw material, is wide in source, low in price and biodegradable and is a sustainable development resource,micromolecular unsaturated carboxylic acid is used for grafting hydroxycellulose, meanwhile, unsaturated polyether compounds are used for providing hydrophilic side chains, and a silane coupling agent is used for modification so as to reduce the surface tension of hydroxycellulose; the polycarboxylate dispersing agent with excellent wetting dispersity is finally obtained, water is used as a solvent, and the polycarboxylate dispersing agent is low in cost and environmentally friendly and can be widely applied to the fields of pesticides, dyes or concrete.
本发明提供了一种有机硅改性聚羧酸盐分散剂及其制备方法和应用，属于表面活性剂技术领域。本发明提供的有机硅改性聚羧酸盐分散剂生产成本低，环境友好，且具有高分散润湿能力，低泡分散能力，能够显著降低表面张力，分散稳定性好。具体的，本发明以羟基纤维素为原料，其来源广泛、价格便宜，可生物降解，为一种可持续发展资源，利用小分子不饱和羧酸对羟基纤维素进行接枝，同时利用不饱和聚醚类化合物提供亲水性侧链，利用硅烷偶联剂改性以降低其表面张力，最终得到一种具有优异润湿分散性的聚羧酸盐类分散剂，且以水作为溶剂，成本低、环境友好，可广泛应用于农药、染料或混凝土领域中。
Organic silicon modified polycarboxylate dispersing agent and preparation method and application thereof
一种有机硅改性聚羧酸盐分散剂及其制备方法和应用
REN TIANRUI (author) / ZHANG MINGQIAN (author) / ZHANG BO (author) / ZHANG LEI (author) / YANG XIAODONG (author) / ZHANG SHUPENG (author) / ZHAO LEI (author)
2021-01-22
Patent
Electronic Resource
Chinese
IPC:
C08F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
,
Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind
/
A01N
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF
,
Konservieren von Körpern von Menschen, Tieren, Pflanzen oder deren Teilen
/
C04B
Kalk
,
LIME
/
C09B
Organische Farbstoffe oder eng verwandte Verbindungen zur Herstellung von Farbstoffen
,
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
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