CN110079401B

CN110079401B - Anhydrous solvent type cleaning agent and preparation method thereof

Info

Publication number: CN110079401B
Application number: CN201910496880.9A
Authority: CN
Inventors: 董松祥; 董双建; 贾丹丹; 栾波; 牟庆平
Original assignee: Shantou Bo Petrochemical Co ltd; Chambroad Chemical Industry Research Institute Co Ltd
Current assignee: Shantou Bo Petrochemical Co ltd; Chambroad Chemical Industry Research Institute Co Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2021-03-26
Anticipated expiration: 2039-06-10
Also published as: CN110079401A

Abstract

The invention provides an anhydrous solvent type cleaning agent, which is prepared from the following raw materials: 55 to 95 parts by weight of isohexane; 1-20 parts by weight of alcohols; 1 to 20 parts by weight of esters; 1-5 parts of D-limonene; 0.5 to 5 parts by weight of a surfactant; 0.05 to 5 weight portions of detergent; 0-0.05 part by weight of essence. Compared with the prior art, the invention adopts the raw materials with specific content components which can realize better interaction to prepare the waterless solvent type cleaning agent; the product has strong removal effect on oily and aqueous stains, has high drying speed, has no residue on the surface, does not damage clothes fibers, does not contain carcinogenic benzene compounds, chlorine compounds and other toxic and harmful volatile matters, has small influence on the environment, is convenient and quick to use, and can be popularized and used in various large garment factories.

Description

Anhydrous solvent type cleaning agent and preparation method thereof

Technical Field

The invention relates to the technical field of cleaning agents, in particular to an anhydrous solvent type cleaning agent and a preparation method thereof.

Background

Along with the development of economy and the improvement of living standard, the clothes wearing grade of people is continuously improved, the fabric materials are various, and higher requirements are provided for cleaning and nursing the clothes.

The excellent cleaning agent CFC-113 (Freon) and 1,1, 1-trichloroethane which are widely used in the cleaning industry have been completely prohibited from being produced, imported and used. Substitutes for chlorine-based detergents (trichloroethane, trichloroethylene, methylene chloride, etc.), aqueous detergents, hydrocarbon-based detergents, etc. have been used. However, chlorine-containing cleaning agents are toxic and have strict environmental control, and because of the limited requirements of ISO14000 series on chlorine-containing cleaning agents, enterprises are beginning to change to hydrocarbon cleaning agents and water cleaning agents in order to obtain ISO14000 certificates. The water system cleaning agent has high equipment investment cost and is not easy to dry, the cleaned product often generates rust and spots, the problem of drainage needs to be considered, the problem of water resource shortage in China and the like are also considered, and various manufacturers gradually begin to research the substitute of the water system cleaning agent. The conventional hydrocarbon clothes cleaning agent adopts 6# solvent oil or heptane mixed fraction, has good oil stain removal effect, but has the problems of wide fraction, slow drying speed after cleaning and non-ideal cleaning effect on dust and water-based stains.

Disclosure of Invention

In view of the above, the present invention aims to provide a solvent-free cleaning agent and a preparation method thereof, wherein the solvent-free cleaning agent provided by the present invention has a strong removal effect on various stains, has a fast drying speed, is convenient and fast to use, and can be popularized and used in various large clothing factories.

The invention provides an anhydrous solvent type cleaning agent, which is prepared from the following raw materials:

55 to 95 parts by weight of isohexane;

1-20 parts by weight of alcohols;

1 to 20 parts by weight of esters;

1-5 parts of D-limonene;

0.5 to 5 parts by weight of a surfactant;

0.05 to 5 weight portions of detergent;

0-0.05 part by weight of essence.

Preferably, the alcohol is selected from one or more of C2-C4 fatty alcohol, ethylene glycol and propylene glycol.

Preferably, the esters are selected from one or more of ethyl formate, methyl acetate and ethyl acetate.

Preferably, the surfactant is selected from one or more of fatty alcohol-polyoxyethylene ether, alkyl glycoside, sorbitan fatty acid ester, fatty acid methyl ester ethoxylate, sodium fatty alcohol-polyoxyethylene ether sulfate and disodium fatty alcohol-polyoxyethylene ether sulfosuccinate monoester.

Preferably, the detergent is selected from one or more of oleamide, coconut oil fatty acid diethanolamide and sodium p-methoxy fatty amido benzene sulfonate.

Preferably, the perfume is selected from plant type perfume and/or fruit type perfume.

The invention also provides a preparation method of the solvent-free cleaning agent in the technical scheme, which comprises the following steps:

a) and (2) uniformly compounding and mixing isohexane, alcohols, esters, D-limonene, a surfactant, a detergent and essence to obtain the anhydrous solvent type detergent.

Preferably, the temperature for compounding and uniformly mixing in the step a) is 20-40 ℃, and the time is 1-3 h.

Preferably, the process of compounding and uniformly mixing in the step a) specifically comprises the following steps:

fully stirring and uniformly mixing the surfactant, the detergent, the essence and the alcohol to obtain a mixture T1; simultaneously, sufficiently stirring and uniformly mixing isohexane, esters and D-limonene to obtain a mixture T2; and then, fully stirring and uniformly mixing the mixture T1 and the mixture T2 to obtain the anhydrous solvent type cleaning agent.

In addition, the preparation method provided by the invention is simple and easy to control, and is suitable for large-scale industrial production and application.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

55 to 95 parts by weight of isohexane;

1-20 parts by weight of alcohols;

1 to 20 parts by weight of esters;

1-5 parts of D-limonene;

0.5 to 5 parts by weight of a surfactant;

0.05 to 5 weight portions of detergent;

0-0.05 part by weight of essence.

In the invention, the isohexane is a main solvent of the waterless solvent type cleaning agent, has the purity of more than 99 percent and the boiling point of 60 ℃, and can dissolve and remove oily stains with similar polarity, such as sewing machine oil, human body sebum, animal and vegetable oil, mineral oil and oxides thereof, pigment and other stains. In the present invention, the solvent-free cleaning agent comprises 55 to 95 parts by weight of isohexane, preferably 70 to 90 parts by weight.

In the present invention, the alcohol is preferably one or more selected from the group consisting of C2 to C4 fatty alcohols, ethylene glycol and propylene glycol, and more preferably ethanol, isopropanol, isobutanol or propylene glycol. In the present invention, the source of the alcohol is not particularly limited, and commercially available products of the above-mentioned aliphatic alcohol having 2 to 4 carbon atoms, ethylene glycol and propylene glycol, which are well known to those skilled in the art, may be used. In the present invention, the solvent-free cleaning agent comprises 1 to 20 parts by weight of an alcohol, preferably 2 to 10 parts by weight.

In the present invention, the ester is preferably selected from one or more of ethyl formate, methyl acetate and ethyl acetate, and more preferably methyl acetate or ethyl acetate. The source of the esters is not particularly limited in the present invention, and commercially available products of the above-mentioned ethyl formate, methyl acetate and ethyl acetate known to those skilled in the art may be used. In the present invention, the solvent-free cleaning agent comprises 1 to 20 parts by weight of an ester, preferably 3 to 10 parts by weight.

The invention takes isohexane as a main solvent, and mixed alcohols and esters as a mixed solvent, the dissolving capacity of the invention is stronger than that of a single solvent, and the scale dissolving range is wider; the alcohols and esters can also improve the detergency of isohexane, and have good removal effect on stubborn stains; meanwhile, the surfactant, the detergent, the D-limonene and the essence can be solubilized in isohexane; in addition, the alcohols and esters are low-toxicity, low-boiling point and strong-polarity solvents, which are beneficial to improving the decontamination capability, drying speed and environmental protection performance of the formula product.

In the invention, the D-limonene is a novel green environment-friendly cleaning agent, has strong decontamination capability, can promote the decontamination capability of isohexane, belongs to mild natural plant components, and is a green household cleaning product which is safe to human bodies, nontoxic and environment-friendly. In the present invention, the solvent-free cleaning agent comprises 1 to 5 parts by weight of D-limonene, preferably 2 to 4 parts by weight.

In the present invention, the surfactant is preferably one or more selected from fatty alcohol polyoxyethylene ether (AEO), alkyl glycoside (APG), sorbitan fatty acid ester, fatty acid methyl ester ethoxylate (FMEE), sodium fatty alcohol polyoxyethylene ether sulfate (AES), and disodium fatty alcohol polyoxyethylene ether sulfosuccinate monoester, and more preferably one or two selected from fatty alcohol polyoxyethylene ether (AEO), alkyl glycoside (APG), sorbitan fatty acid ester, fatty acid methyl ester ethoxylate (FMEE), sodium fatty alcohol polyoxyethylene ether sulfate (AES), and disodium fatty alcohol polyoxyethylene ether sulfosuccinate monoester. In a preferred embodiment of the present invention, the surfactant is fatty alcohol polyoxyethylene ether (AEO); in another preferred embodiment of the present invention, the surfactant is a mixture of 8: 2 alkyl glycoside (APG) and sodium fatty alcohol polyoxyethylene ether sulphate (AES); in another preferred embodiment of the present invention, the surfactant is a mixture of 9: 1 of sorbitan fatty acid ester and disodium fatty alcohol polyoxyethylene ether sulfosuccinate monoester; in another preferred embodiment of the present invention, the surfactant is fatty acid methyl ester ethoxylate (FMEE). The source of the surfactant is not particularly limited in the present invention, and commercially available products of the above-mentioned fatty alcohol polyoxyethylene ether (AEO), alkyl glycoside (APG), sorbitan fatty acid ester, fatty acid methyl ester ethoxylate (FMEE), sodium fatty alcohol polyoxyethylene ether sulfate (AES), and disodium fatty alcohol polyoxyethylene ether sulfosuccinate, which are well known to those skilled in the art, may be used.

In the invention, the surfactant realizes better interaction with other components in the non-aqueous solvent type cleaning agent, and reduces the interfacial tension by adsorbing on clothes-water and stain oil-water interfaces to generate wetting, emulsifying and dispersing effects, so that the oil stain originally spread on the fabric is gradually curled into hydrophilic fine oil beads; and mechanical force such as spraying, washing and the like is added to separate the stain from the surface of the fabric so as to achieve the effect of removing. The anhydrous solvent type cleaning agent directly acts on stains without dilution, the concentration of the surfactant is higher than the Critical Micelle Concentration (CMC), the emulsification and solubilization effects are stronger in the stain removing process, and the stain removing efficiency is higher. In the present invention, the solvent-free cleaning agent comprises 0.5 to 5 parts by weight of a surfactant, preferably 0.8 to 2.5 parts by weight.

In the invention, the surfactant has higher solubility in the isohexane system, can play a role in dispersing and emulsifying in the cleaning process, has strong penetrating power to fabrics and good wetting effect, and ensures that insoluble and oil-soluble dirt separated from the fabrics is uniformly dispersed in a solvent.

In the present invention, the detergent is preferably selected from one or more of oleamide, coconut oil fatty acid diethanolamide and sodium p-methoxy fatty amidobenzenesulfonate, and more preferably, oleamide, coconut oil fatty acid diethanolamide or sodium p-methoxy fatty amidobenzenesulfonate. The source of the detergent is not particularly limited in the present invention, and commercially available products of the above-mentioned oleamide, coconut oil fatty acid diethanolamide and sodium p-methoxyfatty amidobenzenesulfonate, which are well known to those skilled in the art, may be used. In the present invention, the solvent-free cleaning agent comprises 0.05 to 5 parts by weight of a cleaning agent, preferably 0.1 to 1.2 parts by weight.

In the invention, the detergent can be compatible with the surfactant in the formula for use, and better interaction is realized, so that the detergency and the dirt carrying capacity of the detergent can be improved, and the detergent is more effective in removing oil stains of animal oil, vegetable oil and mineral oil.

In the present invention, the essence is preferably selected from plant-type essence and/or fruit-type essence, more preferably aloe essence or orange essence. The source of the essence is not particularly limited in the present invention, and commercially available products of the above-mentioned plant-type essence and fruit-type essence known to those skilled in the art may be used. In the invention, the anhydrous solvent type cleaning agent comprises 0-0.05 weight part of essence, preferably 0.01-0.02 weight part.

In the invention, the essence can cover up the odor of raw materials such as surfactant, solvent and the like, endow the product with elegant odor, and enable clothes to be fragrant after being washed; meanwhile, consumers are favored to select the product, and the commercial value of the product is improved.

The invention adopts raw materials with specific content components which can realize better interaction to prepare the anhydrous solvent type cleaning agent; the product has strong removal effect on oily and aqueous stains, has high drying speed, has no residue on the surface, does not damage clothes fibers, does not contain carcinogenic benzene compounds (such as aromatic hydrocarbon compounds including benzene, toluene, xylene and the like; phenol compounds including pentachlorophenol, tetrachlorophenol, o-phenylphenol and the like), chlorine compounds (chlorobenzene, chlorinated toluene, trichloroethylene, dichloromethane and the like) and other toxic and harmful substances (volatile substances including formaldehyde and the like, alkylphenol ethoxylates, organic tin compounds and heavy metals), has small influence on the environment, is convenient and quick to use, and can be popularized and used in various large clothing factories.

In the present invention, the isohexane, alcohols, esters, D-limonene, surfactant, detergent and essence are the same as those described in the above technical solution, and are not described herein again. The raw materials adopted by the invention are all low-toxicity or non-toxic substances, and a green, safe and healthy cleaning agent product is further prepared.

In the invention, the temperature of the compound mixing is preferably 20-40 ℃, and more preferably 25-35 ℃; the time for compounding and uniformly mixing is preferably 1-3 h.

In the invention, the preferable process of compounding and uniformly mixing is as follows:

fully stirring and uniformly mixing the surfactant, the detergent, the essence and the alcohol to obtain a mixture T1; simultaneously, sufficiently stirring and uniformly mixing isohexane, esters and D-limonene to obtain a mixture T2; and then, fully stirring and uniformly mixing the mixture T1 and the mixture T2 to obtain the anhydrous solvent type cleaning agent. The invention adopts the separated mixing mode, so that the components can be mixed more uniformly, and poor solubility and even layering of the product caused by polarity difference are avoided, so that solid substances are separated out from the product in the application process to block a spray valve.

The preparation method provided by the invention is simple and easy to control, and is suitable for large-scale industrial production and application.

To further illustrate the present invention, the following examples are provided for illustration. The starting materials used in the following examples of the present invention are all commercially available products.

Example 1

The formula amounts of the raw materials used in example 1 are shown in table 1.

Table 1 formula amounts of raw materials used in example 1

Raw materials	Mass/g
		Isohexane	75
Alcohols	10
		Esters as pesticides	10
D-limonene	3
		Surface active agent	1.5
Detergent	0.48
		Essence	0.02

Wherein the alcohol is ethanol; the ester is methyl acetate; the surfactant is fatty alcohol polyoxyethylene ether (AEO); the detergent is coconut oil fatty acid diethanolamide; the essence is aloe essence.

The raw materials are compounded and uniformly mixed for 1 to 3 hours at the temperature of between 25 and 35 ℃ according to the formula amount in the table 1 to obtain the solvent-free cleaning agent;

the process of compounding and uniformly mixing comprises the following steps:

Example 2

The formula amounts of the raw materials used in example 2 are shown in table 2.

Table 2 formula amounts of raw materials used in example 2

Raw materials	Mass/g
		Isohexane	80
Alcohols	9
		Esters as pesticides	5
D-limonene	3
		Surface active agent	2
Detergent	1
		Essence	0

Wherein the alcohol is isopropanol; the ester is methyl acetate; the surfactant is prepared from the following components in a mass ratio of 8: 2 alkyl glycoside (APG) and sodium fatty alcohol polyoxyethylene ether sulphate (AES); the detergent is oleamide.

The raw materials are compounded and uniformly mixed for 1 to 3 hours at a temperature of between 25 and 35 ℃ according to the formula amount in the table 2 to obtain the solvent-free cleaning agent;

the process of compounding and uniformly mixing comprises the following steps:

fully and uniformly stirring the surfactant, the detergent and the alcohol to obtain a mixture T1; simultaneously, sufficiently stirring and uniformly mixing isohexane, esters and D-limonene to obtain a mixture T2; and then, fully stirring and uniformly mixing the mixture T1 and the mixture T2 to obtain the anhydrous solvent type cleaning agent.

Example 3

The formula amounts of the raw materials used in example 3 are shown in table 3.

Table 3 formula amounts of raw materials used in example 3

Raw materials	Mass/g
		Isohexane	90
Alcohols	4
		Esters as pesticides	3
D-limonene	2
		Surface active agent	0.8
Detergent	0.185
		Essence	0.015

Wherein the alcohol is isobutanol; the ester is ethyl acetate; the surfactant is prepared from the following components in percentage by mass: 1 of sorbitan fatty acid ester and disodium fatty alcohol polyoxyethylene ether sulfosuccinate monoester; the detergent is coconut oil fatty acid diethanolamide; the essence is orange essence.

The raw materials are compounded and uniformly mixed for 1 to 3 hours at a temperature of between 25 and 35 ℃ according to the formula amount in the table 3 to obtain the solvent-free cleaning agent;

the process of compounding and uniformly mixing comprises the following steps:

Example 4

The formula amounts of the raw materials used in example 4 are shown in table 4.

Table 4 formula amounts of raw materials used in example 4

Raw materials	Mass/g
		Isohexane	88
Alcohols	7
		Esters as pesticides	8
D-limonene	4
		Surface active agent	1.8
Detergent	1.19
		Essence	0.01

Wherein the alcohol is propylene glycol; the ester is methyl acetate; the surfactant is fatty acid methyl ester ethoxylate (FMEE); the detergent is methoxy fatty amide benzene sulfonic acid sodium; the essence is aloe essence.

The raw materials are compounded and uniformly mixed for 1 to 3 hours at the temperature of between 25 and 35 ℃ according to the formula amount in the table 4 to obtain the solvent-free cleaning agent;

the process of compounding and uniformly mixing comprises the following steps:

A dirt cleaning test was performed on the water-free solvent type cleaning agent provided in examples 1 to 4 by using a trigger spray pump (the dirt was prepared from sewing machine oil and vegetable oil at a mass ratio of 9: 1), and the decontamination effect and drying time were tested.

The decontamination effect test method comprises the following steps: whiteness W of fabrics measured before staining₁Measuring whiteness W after 1d₂After washing, the whiteness W of the product is measured₃The decontamination effect calculation method comprises the following steps:

stain removal value (%) - (W)₃-W₂)/(W₁-W₂)×100；

The volatilization speed of the liquid is related to the temperature, the air pressure and the wind speed at the surface of the liquid: the higher the temperature, the faster the liquid molecules leave the surface of the liquid, and the higher the velocity of the air will increase the speed of the liquid leaving the surface of the liquid. Under the same test condition, the volatilization speed of the cleaning agent is in direct proportion to the volatilization amount of the cleaning agent with the same mass in the same container, so that the volatilization amounts of the cleaning agent can be tested through the same container to compare the volatilization speeds of the cleaning agent. The method for testing the volatilization amount of the cleaning agent comprises the following steps: and (3) filling 10g of charged cleaning agent into a standard beaker, putting 4 g of charged cleaning agent into a constant temperature box (constant temperature of 30 ℃), testing the quality of the beaker and the cleaning agent for one time after 1 hour, recording the quality of each time, and calculating the volatilization amount of the cleaning agent in the time period.

The test results are shown in table 5.

TABLE 5 Performance data for the solvent-free cleaners provided in examples 1-4

Item	Example 1	Example 2	Example 3	Example 4
					Decontamination efficiency/%)	75	80	72	78
Volatile amount per gram	5.23	5.72	7.11	5.04

As can be seen from Table 5, the solvent-free cleaning agent provided in embodiments 1 to 4 of the present invention has the advantages of strong detergency and fast drying speed; the water-free solvent type cleaning agent provided by the embodiments 1 to 4 of the invention has no residue on the surface and does not damage the clothing fiber, and the product does not contain carcinogenic benzene compounds, chlorine compounds and other toxic and harmful volatile matters, has small influence on the environment, is convenient and quick to use, and can be popularized and used in various large clothing factories.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The waterless solvent type cleaning agent is prepared from the following raw materials:

55-95 parts by weight of isohexane;

1-20 parts by weight of alcohols;

1 to 20 parts by weight of an ester;

1-5 parts by weight of D-limonene;

0.5 to 5 parts by weight of a surfactant;

0.05-5 parts by weight of a detergent;

0-0.05 parts by weight of essence;

the alcohols are selected from C2-C4 fatty alcohols;

the esters are selected from one or more of ethyl formate, methyl acetate and ethyl acetate;

the surfactant is selected from one or more of fatty alcohol-polyoxyethylene ether, alkyl glycoside, sorbitan fatty acid ester, fatty acid methyl ester ethoxylate, fatty alcohol-polyoxyethylene ether sodium sulfate and fatty alcohol-polyoxyethylene ether sulfosuccinic acid monoester disodium;

the detergent is selected from one or more of oleamide, coconut oil fatty acid diethanolamide and sodium p-methoxy fatty amide benzene sulfonate.

2. A method for preparing the solvent-free cleaning agent according to claim 1, comprising the steps of:

3. The preparation method according to claim 2, wherein the temperature for compounding and uniformly mixing in the step a) is 20-40 ℃, and the time is 1-3 hours.

4. The preparation method according to claim 2, wherein the compounding and blending process in the step a) specifically comprises the following steps: