Synthesis process of ester quaternary ammonium salt

The technology of an ester quaternary ammonium salt and a synthesis method is applied in the synthesis field of the ester quaternary ammonium salt, and achieves the effects of good selectivity, low ecological toxicity and improved grades
CN101020644AInactive Publication Date: 2007-08-22SOLVAY ZHANGJIAGANG SPECIALTY CHEM
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SOLVAY ZHANGJIAGANG SPECIALTY CHEM
Publication Date
2007-08-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention is continuous solvent-free process of synthesizing ester-base quaternary ammonium salt, and features that at certain temperature, long chain tert amine carboxylate and alkylating agent as materials are mixed and reacted to produce ester-base quaternary ammonium salt in the structure as shown. The synthesis process of the present invention has continuous production, short reaction period, low power consumption, high conversion rate and high selectivity and the product with high active component content may be used as fabric softening agent, leather softening agent, disinfectant, etc.
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Description

technical field

[0001] The invention relates to a method for synthesizing an ester quaternary ammonium salt. Background technique

[0002] The present invention relates to the method for synthesizing ester group quaternary ammonium salt. Ester-based quaternary ammonium salts are widely used in industry and are mainly used to make fabric softeners. At present, fabric softeners are mainly cationic surfactants. The softener first used in commercialization in 1950 was dihydrogenated tallow Dimethylammonium chloride (DHTDMAC), while developing DHTDMAC, has developed products including diamidoethoxylated quaternary ammonium salts, ester quaternary ammonium salts, imidazoline quaternary ammonium salts and other products using fatty acids as raw materials. However, these quaternary ammonium salt synthesis processes generally use methyl chloride, dimethyl sulfate, dipropyl sulfate or inorganic acids as alkylating agents, which must be produced intermittently in the presence of solve...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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