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Easy-dispersible concentrate ester quat compositions

A technology of esterquat and composition, which is applied in the field of esterquat composition and achieves remarkable effect of storage stability

Inactive Publication Date: 2009-01-14
CLARIANT PROD DEUT GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In general, esterquats present problems with the production of viscous softeners, necessitating the use of thickeners to achieve high viscosity in the final product

Method used

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  • Easy-dispersible concentrate ester quat compositions
  • Easy-dispersible concentrate ester quat compositions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0048] 1) Hydrolytic stability of the easily dispersible concentrate esterquat composition

[0049] The table below shows the benefit of the presence of selected pH adjusting agents on the hydrolysis of esterquat concentrates. The tests were carried out at 35°C, which is one of the temperatures indicated for dispersion of the product.

[0050] Percent increase in acid value during storage test at 35°C

[0051] 1 week later

2 weeks later

3 weeks later

4 weeks later

Without pH adjustment

Esterquat

concentrate

31.1％

39.0％

48.0％

60.7％

Contains pH regulator

Esterquat Concentrated

Shrinkage

1.3％

1.3％

3.4％

13.9％

[0052] The esterquat used in this test is C in isopropanol 16 -C 18 -Dienoyloxyethyl-hydroxyethyl-methyl-ammonium methylsulfate (90% a.m.). The pH adjuster was triethanolamine (99%).

[005...

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Abstract

The present invention relates to an esterquat concentrate suitable for producing fabric softeners at relatively low temperatures, comprising: a) an esterquat compound; b) an organic solvent; c) water; d) a pH regulator . Although the presence of water in esterquat concentrates is generally avoided due to the instability of the hydrolysis reaction that esterquat concentrates are known to cause, in the present invention water is necessary for dispersibility at lower temperatures, This therefore leads to a considerable increase in the viscosity of the final product. One way to solve this problem is to control the hydrolysis reaction by adding selected pH modifiers.

Description

technical field [0001] The present invention relates to an esterquat (quat) composition for use in the production of fabric softeners at lower temperatures relative to conventional methods. Background technique [0002] It is well known that textiles, especially those made of cellulose fibers, after washing, whether through automated or manual washing processes, can take on a very unpleasant tactile feel after drying. This undesirable stiff feeling can be overcome by treating the laundry with a cationic compound containing two long chain aliphatic groups in its structure after washing in the rinse bath. [0003] Based on this idea, the existing commercial fabric softeners available on the market still basically consist of dispersions of dialkyl-type cationic substances, most of which are dialkyldimethylammonium salts, and triethanolamine , diethanolamine or glycerol diester quaternary ammonium salts. [0004] Dispersion of cationic compounds, mainly those suitable for fabr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D3/00C11D1/62C11D3/43C11D3/30C11D1/645C11D3/20
CPCC11D1/645C11D1/62C11D3/2006C11D3/43C11D3/2017C11D3/201C11D3/30C11D3/38627
Inventor M·加洛蒂G·库梅C·莫拉莱斯G·尼斯
Owner CLARIANT PROD DEUT GMBH
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