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Vegetable oil modified fluoride-containing water repellent finishing agent as well as preparation method and application thereof

A vegetable oil modification and water-repellent finishing technology, which is applied in the field of fluorine-containing water-repellent finishing agents and its preparation, can solve the problems of poor wearability of cellulose fibers, decreased hydrophilicity of cellulose fibers, and easy generation of static electricity in fabrics, etc., to achieve Low cost, improved water repellency, and less environmental pollution

Inactive Publication Date: 2009-12-23
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Cellulose fibers are popular in the field of clothing because of their excellent wearability. However, the hydrophilicity of cellulose fibers after organic fluorine treatment is reduced, which leads to the easy generation of static electricity in the fabric, which has adverse effects on the original wearability of cellulose fibers. impact, and the ecological problems of organic fluorine chemicals are gradually being recognized by people

Method used

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  • Vegetable oil modified fluoride-containing water repellent finishing agent as well as preparation method and application thereof
  • Vegetable oil modified fluoride-containing water repellent finishing agent as well as preparation method and application thereof
  • Vegetable oil modified fluoride-containing water repellent finishing agent as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] (1) Add 35ml of 80°C hot water and 3.5g of sodium hydroxide to 20g of castor oil, dissolve with 15ml of hot water, heat in an 80°C water bath, stir, and let stand. An appropriate amount of sodium chloride is added to precipitate the mixture of sodium ricinoleate, sodium palmitate, sodium stearate, sodium oleate, sodium linoleate and sodium linolenate, and the glycerin is removed with the aqueous solution of sodium chloride.

[0029] (2) Dissolve the mixture of sodium ricinoleate, sodium palmitate, sodium stearate, sodium oleate, sodium linoleate and sodium linolenate prepared in step (1) in water, add an appropriate amount of sulfuric acid to acidify, pour into the liquid Stand in the funnel for stratification, and the upper layer is a mixture of ricinoleic acid, palmitic acid, stearic acid, oleic acid, linoleic acid and linolenic acid.

[0030] (3) 15.4 g of the mixture of ricinoleic acid, palmitic acid, stearic acid, oleic acid, linoleic acid and linolenic acid prepar...

Embodiment 2

[0033] The synthesis method of the palm oil and the finishing process on the cellulose fibers are basically the same as in Example 1. The finishing results showed that after finishing with palm oil-modified trifluoroethyl ester, the cellulose fibers obtained excellent water-repellent properties, while the whiteness and breaking strength decreased slightly.

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Abstract

The invention relates to a vegetable oil modified fluoride-containing water repellent finishing agent as well as a preparation method and an application thereof. The general structural chemical formula is shown in the right. The preparation comprises: (1) adding hot water and NaOH into the vegetable oil, carrying out water bath heating at 80 DEG C to obtain sodium aliphatate;(2) dissolving the sodium aliphatate with water and adding sulfuric acid for acidification to obtain higher fatty acid; and (3) reacting the higher fatty acid with CF3-(CF2)n-CH2OH at 60 DEG C for 4-8h to obtain the vegetable oil modified fluoride-containing water repellent finishing agent. The water repellent finishing agent of the invention does not have obvious influence on the air permeability, whiteness and breaking strength of cellulosic fiber; and synthesis process is simple, cost is low, raw material is environment-friendly, and environment pollution is slight.

Description

technical field [0001] The invention belongs to the field of fluorine-containing water-repellent finishing agent and its preparation, and in particular relates to a vegetable oil-modified fluorine-containing water-repellent finishing agent, a preparation method and an application thereof. Background technique [0002] Water-repellent finishing is an important aspect of functional finishing. With the continuous advancement of science and technology, new fabric water-repellent finishing technologies are constantly being adopted by people, and metal soaps, metal complexes, pyridines, methylol compounds, and organosilicon finishing agents have been used as finishing agents for fabrics. Water-repellent finish. [0003] However, the previous water-repellent finishing agents are gradually eliminated due to the adverse effects on fabric feel, air permeability, whiteness, poor durability and environmental factors, so people began to use low surface energy organic fluorine finishing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/256C08F14/18C08F8/14D06M101/06
Inventor 赵涛任清庆
Owner DONGHUA UNIV
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