Cardanol and saturated cardanol based surfactant, preparation method therefor and application of cardanol and saturated cardanol based surfactant

A surfactant, cardanol-based technology, applied in the field of cardanol and saturated cardanol-based surfactants and their preparation, can solve the problems of high temperature resistance, salt resistance, etc., and achieve good emulsification performance and biodegradability , the effect of strong surface tension
CN111974306AInactive Publication Date: 2020-11-24HEILONGJIANG SHINEWELL CHEM CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HEILONGJIANG SHINEWELL CHEM CO LTD
Publication Date
2020-11-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a cardanol and saturated cardanol based surfactant, a preparation method therefor and application of the cardanol and saturated cardanol based surfactant. The method comprisesthe following steps: S1. alkalizing cardanol, and then, subjecting the alkalized cardanol to a reaction with diamine, so as to obtain an intermediate 1; S2. placing cardanol in a reactor, and adding asulfonation reagent for sulfonation, so as to obtain cardanol sulfonic acid; S3. subjecting the cardanol sulfonic acid to a reaction with epoxy chloropropane under alkaline conditions, so as to obtain an intermediate 2; S4. subjecting the intermediate 1 and the intermediate 2 to mixing and heating, adding sulfonic acid into the reacted product for sulfonation, and adding alkali liquor until neutral; and S5. subjecting the obtained product to separation and purification, thereby obtaining a cardanol surfactant containing trisiloxane and amino. Compared with the existing cardanol surfactants, the cardanol surfactant has the advantages that the capacity for lowering surface tension is strengthened obviously and is only 15mN / m to 28mN / m, and thus, the cardanol surfactant can be extensively applied to the industrial fields of emulsifiers, humectants, solubilizers, detergents and the like.
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Description

technical field

[0001] The invention relates to the technical field of surfactants, in particular to a cardanol and saturated cardanol-based surfactant and a preparation method and application thereof. Background technique

[0002] Cardanol, as a cheap biomass resource, is derived from the cashew nut shell fluid in tropical cashew tree nuts. It contains a variety of biophenols, mainly including cardol, cardanol, anacardic acid and 2-methyl Cardol. Cardanol is characterized by low toxicity and easy biodegradability. Cardanol is a biomass resource with a wide range of sources and low cost, and because it is extracted from plants, it can meet the strategic requirements of sustainable development both in terms of environmental protection and economic benefits. Therefore, surfactants produced with cardanol as raw materials have received extensive attention in recent years.

[0003] Cardanol replaces or partially replaces phenol for the manufacture of epoxy curing agents, liqui...

Claims

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