Ecological laundry detergent

A kind of laundry detergent and ecological technology, applied in the field of ecological laundry detergent, can solve the problems of poor detergency and other problems, and achieve the effect of strong detergency, low foam and good environmental compatibility

Inactive Publication Date: 2014-12-17
POLYMERCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In contrast, laundry detergents based on isomeric alcohol ethers have good defoaming properties and are easy to ri

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] The preparation method of ecological laundry detergent in the present invention includes the following steps:

[0023] (1) Under rapid stirring, slowly add coconut oil acid diethanolamine into a beaker containing 30 parts of water.

[0024] (2) Mix methyl paraben, propyl paraben and water into the beaker according to the required amount of the formula, and stir evenly.

[0025] (3) Add the amino acid-based polyethylene glycol methyl ether-polylactide block copolymer and sodium silicate into the system according to the required amount of the formula, stir evenly, and heat and stir if necessary.

[0026] (4) Below 30-45℃, add oily spices, vitamin E, and vitamin C according to the required amount of formula, and make up the remaining water.

Example Embodiment

[0027] Example 1

[0028] (1) Preparation of polyethylene glycol methyl ether-polylactide block copolymer

[0029] 2g of polyethylene glycol monomethyl ether (MPEG) with a molecular weight of 2000 and 3g of D,L-lactide (also known as lactic acid), 0.15mL of stannous octoate / tetrahydrofuran solution (0.1g / mL) are added to the fully dried polymerization In the bottle, vacuum-dried at 80°C for 5 hours, then melt-sealed the polymerization bottle, polymerize at 130°C for 15 hours, break the polymerization bottle, dissolve the polymer with dichloromethane, precipitate with ether, repeat the steps of dissolving and precipitation three times to obtain polyethylene glycol methyl ether -Polylactide (MPEG-PLA for short) (molecular weight is 1800-18000).

[0030] (2) Preparation of phenylalanine-based polyethylene glycol methyl ether-polylactide block copolymer

[0031] Take 2g MPEG-PLA, 0.25g L-phenylalanine, 0.08g condensation agent N,N'-dicyclohexylcarbodiimide DCC, dissolve it in 30mL DMF, a...

Example Embodiment

[0039] Example 2

[0040] (1) The preparation method of the ecological laundry detergent with the alanine-based polyethylene glycol methyl ether-polylactide block copolymer as the surfactant is the same as in Example 1.

[0041] The ecological laundry liquid prepared in this embodiment is calculated by weight percentage, and the laundry liquid consists of the following components:

[0042]

[0043] The rest is water, and its total weight meets 100%. (2) Performance testing

[0044] ①Detergency: According to the test method of detergency in GB / T13174-2008, compared with the national standard washing powder (standard washing powder dosage is 0.2%, laundry detergent dosage is 0.3%), carbon black detergency 1.13, sebum removal The dirt power is 1.03.

[0045] ②Foam performance: According to GB / T13173.6-2000 detergent foam strength measurement method, measured by Roche foam, the instant foam is 97mm and the 5min foam is 28mm.

[0046] ③Cytotoxicity test: Alanine-based polyethylene glycol me...

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PUM

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Abstract

The invention belongs to the technical field of a textile cleaning compound, and concretely relates to an ecological laundry detergent. The ecological laundry detergent comprises the following components: a methoxypolyethylene glycol-polylactide segmented copolymer, coconut oil acid diethanolamine, methylparaben and propyl p-hydroxybenzoate. The amino acid-terminated methoxypolyethylene glycol-polylactide segmented copolymer is taken as a main surfactant for the ecological laundry detergent, the ecological laundry detergent has the advantages of strong decontamination force and low foaming; the ecological laundry detergent has the advantages of good environment compatibility, no biological toxicity, biodegradability, and environmental pollution.

Description

technical field [0001] The invention belongs to the technical field of textile cleaning agents, and in particular relates to an ecological laundry liquid. Background technique [0002] Along with the raising of people's living standard, laundry detergent has become the necessities of life of every family. People's demand for washing products is also getting higher and higher. In addition to good detergency, they also require other functions, such as mildness without hurting hands, easy to rinse, and environmental protection. [0003] Most of the laundry detergents currently on the market use fatty alcohol polyoxyethylene ether or isomeric alcohol ether as the main nonionic surfactant, compounded with fatty alcohol polyoxyethylene ether sodium sulfate and sodium dodecylbenzenesulfonate of. [0004] Among them, the laundry detergent based on fatty alcohol polyoxyethylene ether has the characteristics of good detergency and easy thickening of the system, but the defoaming pro...

Claims

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Application Information

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IPC IPC(8): C11D1/88
Inventor 滕鑫顾晓军
Owner POLYMERCHEM
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