CN112457775B - Oil-wax composite emulsion and preparation method and application thereof - Google Patents
Oil-wax composite emulsion and preparation method and application thereof Download PDFInfo
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- CN112457775B CN112457775B CN201910875045.6A CN201910875045A CN112457775B CN 112457775 B CN112457775 B CN 112457775B CN 201910875045 A CN201910875045 A CN 201910875045A CN 112457775 B CN112457775 B CN 112457775B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
- C09D191/06—Waxes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
- C14C11/003—Surface finishing of leather using macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Colloid Chemistry (AREA)
- Cosmetics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention provides an oil-wax composite emulsion, and a preparation method and application thereof, and belongs to the technical field of oil wax. The invention provides an oil-wax composite emulsion which comprises the following components in parts by weight: 10-20 parts of grease, 5-10 parts of emulsifying agent, 5-10 parts of polyethylene wax emulsion, 5-10 parts of nonionic film emulsion, 1-5 parts of handfeel agent, 0.1-0.3 part of alkali and 45-65 parts of water. The oil-wax composite emulsion can lead leather to have excellent oily feel and glossiness when being applied to leather care under the combined action of grease, an emulsifying agent, polyethylene wax emulsion, nonionic soft film emulsion, a handfeel agent and alkali.
Description
Technical Field
The invention relates to the technical field of oil wax, in particular to an oil wax composite emulsion and a preparation method and application thereof.
Background
The oil wax emulsion is an important additive in finishing materials, and has remarkable improvement effect on softness, plasticity and hand feeling of a material decorative layer.
The oil wax emulsion is widely applied to the surface coating of leather, can improve the oily feel of the leather, endow the leather with soft wax hand feeling, and lead the leather to show natural fine luster and comfortable and natural touch feeling. The existing oil wax emulsion product has the extinction effect, so that the oil wetting feel and the gloss of leather are difficult to be unified.
Disclosure of Invention
In view of the above, the present invention aims to provide an oil-wax composite emulsion, and a preparation method and application thereof. The oil-wax composite emulsion provided by the invention can enable leather to have excellent oil-wetting feel and glossiness.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides an oil wax composite emulsion, which comprises the following components in parts by weight: 10-20 parts of grease, 5-10 parts of emulsifying agent, 5-10 parts of polyethylene wax emulsion, 5-10 parts of nonionic film emulsion, 1-5 parts of handfeel agent, 0.1-0.3 part of alkali and 45-65 parts of water.
Preferably, the grease is a mixture of chlorinated paraffin, glycerol and beef tallow; the mass ratio of chlorinated paraffin, glycerol and beef tallow in the grease is 2:1:1.
preferably, the emulsifier is a nonionic surfactant.
Preferably, the nonionic surfactant comprises one or more of peregal O-9, peregal O-10, peregal O-25, stearic acid and glyceryl monostearate.
Preferably, the polyethylene wax emulsion has a particle size of < 50nm.
Preferably, the handfeel agent is a sloo Ke Huashuang agent or a dakangnin 5211.
Preferably, the oil wax composite emulsion further comprises a thickener; the weight portion of the thickener is 2-3 portions based on the weight portion of the grease.
Preferably, the thickener is a cellulosic thickener.
The invention also provides a preparation method of the oil-wax composite emulsion, which comprises the following steps:
mixing grease and an emulsifying agent to obtain a first mixed solution;
mixing the first mixed solution with alkali and water to obtain a second mixed solution;
and mixing the second mixed solution with the polyethylene wax emulsion, the nonionic soft film emulsion and the hand feeling agent to obtain the oil wax composite emulsion.
The invention also provides application of the oil-wax composite emulsion in the leather care field.
The invention provides an oil wax composite emulsion, which comprises the following components in parts by weight: 10-20 parts of grease, 5-10 parts of emulsifying agent, 5-10 parts of polyethylene wax emulsion, 5-10 parts of nonionic film emulsion, 1-5 parts of handfeel agent, 0.1-0.3 part of alkali and 45-65 parts of water. The oil-wax composite emulsion can lead leather to have excellent oily feel and glossiness when being applied to leather care under the combined action of grease, an emulsifying agent, polyethylene wax emulsion, nonionic soft film emulsion, a handfeel agent and alkali. The data of the examples show that: after the oil-wax composite emulsion is smeared on leather, the oil-wet feel of the leather can be improved from the original level 1 to the level 5, and the glossiness is improved from the original level 4.5GU to the level 14.8GU.
Detailed Description
The invention provides an oil wax composite emulsion, which comprises the following components in parts by weight: 10-20 parts of grease, 5-10 parts of emulsifying agent, 5-10 parts of polyethylene wax emulsion, 5-10 parts of nonionic film emulsion, 1-5 parts of handfeel agent, 0.1-0.3 part of alkali and 45-65 parts of water.
The oil-wax composite emulsion provided by the invention comprises 10-20 parts by weight of grease, preferably 12-18 parts by weight, and more preferably 14-16 parts by weight. In the present invention, the grease is preferably a mixture of chlorinated paraffin, glycerin and beef tallow; the mass ratio of chlorinated paraffin, glycerol and beef tallow in the grease is preferably 2:1:1. the source of the grease is not particularly limited in the present invention, and commercially available products known to those skilled in the art may be used.
In the invention, the grease with the composition can better exert the effect of moisturizing the leather, endow the leather with good moisturizing property and oily feel, and endow the leather with certain luster.
The oil-wax composite emulsion provided by the invention comprises 5-10 parts by weight of emulsifying agent, preferably 6-9 parts by weight, and more preferably 7-8 parts by weight based on the weight of oil. In the present invention, the emulsifier is preferably a nonionic surfactant; the nonionic surfactant preferably comprises one or more of peregal O-9, peregal O-10, peregal O-25, stearic acid and glyceryl monostearate; when the emulsifier is a mixture, the weight ratio of each substance in the mixture is not particularly limited, and any weight ratio can be used.
In the invention, the emulsifier can form stable emulsion of the oily effective component in water, thereby improving the applicability of the oil-wax composite emulsion.
Based on the weight parts of grease, the oil-wax composite emulsion provided by the invention comprises 5-10 parts by weight of polyethylene wax emulsion, preferably 6-9 parts by weight, and more preferably 7-8 parts by weight; the particle size of the polyethylene wax emulsion is preferably < 50nm, more preferably 10 to 40nm.
In the present invention, the polyethylene wax emulsion can further improve the glossiness and the glossiness durability of leather.
The oil-wax composite emulsion provided by the invention comprises 5-10 parts by weight of nonionic film emulsion, preferably 6-9 parts by weight, and more preferably 7-8 parts by weight, based on the weight of oil. The source of the nonionic film emulsion is not particularly limited, and commercially available products known to those skilled in the art can be used.
In the invention, the nonionic soft film emulsion can endow leather with good soft feel, and improves the grade of the leather.
Based on the weight parts of grease, the oil-wax composite emulsion provided by the invention comprises 1-5 parts by weight of handfeel agent, preferably 2-4 parts by weight, and more preferably 3 parts by weight; the hand feeling agent is preferably a sloo Ke Huashuang agent or a dakaning 5211 agent, and more preferably a dakaning 5211 agent.
In the invention, the oil-wax composite emulsion containing the handfeel agent can endow leather with a soft and moist handfeel.
Based on the weight parts of grease, the oil-wax composite emulsion provided by the invention comprises 0.1-0.3 part by weight of alkali, preferably 0.2 part by weight; the base preferably comprises potassium hydroxide, sodium hydroxide, ammonia, monoethanolamine or triethanolamine, more preferably potassium hydroxide.
In the invention, the alkali is used as an emulsification aid, so that other components in the oil-wax composite emulsion can be promoted to form emulsion with water stably, the stability of the oil-wax composite emulsion is improved, and the effective components cannot be separated out in leather.
Based on the weight parts of grease, the oil-wax composite emulsion provided by the invention comprises 45-65 parts by weight of water.
The wax emulsion provided by the invention preferably further comprises a thickener, wherein the weight part of the thickener is preferably 2-3 parts, and more preferably 2.5 parts, based on the weight part of grease; the thickener is preferably a cellulosic thickener. The source of the thickener is not particularly limited in the present invention, and commercially available products well known to those skilled in the art may be used.
In the invention, the thickener enables the oil-wax composite emulsion to have certain viscosity, and reduces the thermodynamic instability property of the oil-wax composite emulsion, thereby improving the stability of the oil-wax composite emulsion.
The invention also provides a preparation method of the oil-wax composite emulsion, which comprises the following steps:
mixing grease and an emulsifying agent to obtain a first mixed solution;
mixing the first mixed solution with alkali and water to obtain a second mixed solution;
and mixing the second mixed solution with the polyethylene wax emulsion, the nonionic soft film emulsion and the hand feeling agent to obtain the oil wax composite emulsion.
The invention mixes grease and an emulsifying agent to obtain a first mixed solution.
In the present invention, the temperature of the mixing is preferably 85 ℃; the mixing is preferably performed under stirring, and the rotation speed and time of the stirring are not particularly limited in the present invention, as long as the grease and the emulsifier can be uniformly mixed.
After the first mixed solution is obtained, the first mixed solution is mixed with alkali and water to obtain a second mixed solution.
In the present invention, the water is preferably deionized water. In the present invention, the specific process of mixing the first mixed solution with alkali and water to obtain the second mixed solution preferably includes the following steps:
mixing alkali with water at 90 ℃ to obtain an alkali aqueous solution; and mixing the aqueous alkali solution with the first mixed solution, and then cooling to 60 ℃ to obtain a second mixed solution.
In the present invention, the temperature at which the aqueous alkali solution is mixed with the first mixed solution is preferably 90 ℃; the mixing is preferably carried out under stirring, preferably for a period of 30 minutes.
After the second mixed solution is obtained, the second mixed solution is mixed with the polyethylene wax emulsion, the nonionic soft film emulsion and the handfeel agent to obtain the oil wax composite emulsion.
In the present invention, the temperature of the mixing is preferably 60 ℃; the mixing is preferably performed under stirring, and the rotation speed and time of the stirring are not particularly limited in the present invention, as long as the second mixed liquid can be uniformly mixed with the polyethylene wax emulsion, the nonionic film emulsion and the handfeel agent. In the invention, after the mixing is finished, the method preferably further comprises the step of cooling the obtained mixed solution to room temperature and discharging to obtain the oil-wax composite emulsion.
In the present invention, when the oil wax composite emulsion preferably further includes a thickener, the thickener is preferably added last to the system; the temperature at the time of the addition is preferably consistent with the temperature at which the second mixed solution is mixed with the polyethylene wax emulsion, the nonionic film emulsion and the handfeel agent, and will not be described herein.
The preparation method provided by the invention is simple and easy to operate, and can uniformly mix the components in the oil-wax composite emulsion and fully play the roles of the components.
The invention also provides application of the oil-wax composite emulsion in the leather care field.
In the present invention, when the oil-wax composite emulsion is applied to leather, it preferably comprises the steps of:
and (3) smearing the oil-wax composite emulsion on leather.
The application mode and the application amount are not particularly limited, and the application mode and the application amount which are well known to those skilled in the art are adopted.
The following examples are provided to illustrate the oil-wax composite emulsion, the preparation method and the application thereof in detail, but they should not be construed as limiting the scope of the invention.
Example 1
The oil-wax composite emulsion comprises the following components in parts by weight: 40 parts of grease (20 parts of chlorinated paraffin, 10 parts of beef tallow and 10 parts of glycerol), 22.5 parts of emulsifying agent (peregal O-91 parts, peregal O-105.5 parts, peregal O-254.5 parts, 10 parts of stearic acid and 1.5 parts of glyceryl monostearate), 20 parts of polyethylene wax emulsion, 20 parts of nonionic film emulsion, 52118 parts of dakangning, 8.5 parts of cellulose thickening agent, 0.7 part of KOH and 200 parts of deionized water;
the preparation method of the oil-wax composite emulsion comprises the following steps:
adding grease and an emulsifying agent into a reaction kettle, adding the mixture to 85 ℃, and uniformly stirring the mixture to obtain a first mixed solution;
mixing potassium hydroxide with deionized water at 90 ℃ to obtain a potassium hydroxide aqueous solution; adding the potassium hydroxide aqueous solution into the first mixed solution, stirring for 30min, and cooling to 60 ℃ to obtain a second mixed solution;
and adding the polyethylene wax emulsion, the nonionic soft film emulsion and the handfeel agent into the second mixed solution, uniformly stirring at 60 ℃, then adding the cellulose thickener, uniformly stirring, and cooling to room temperature to obtain the oil wax composite emulsion.
Example 2
The oil-wax composite emulsion comprises the following components in parts by weight: 30 parts of grease (15 parts of chlorinated paraffin, 7.5 parts of beef tallow and 7.5 parts of glycerol), 15 parts of emulsifying agent (peregal O-92 parts, peregal O-106 parts, peregal O-252 parts and 5 parts of stearic acid), 30 parts of polyethylene wax emulsion, 25 parts of nonionic film emulsion, 52116 parts of dakangnin, 6 parts of cellulose thickener, 0.5 part of KOH and 170 parts of deionized water;
the preparation method of the oil-wax composite emulsion is the same as that of the example 1.
Example 3
The oil-wax composite emulsion comprises the following components in parts by weight: 60 parts of grease (20 parts of chlorinated paraffin, 20 parts of beef tallow and 20 parts of glycerol), 30 parts of emulsifying agent (peregal O-92 parts, peregal O-1014 parts, peregal O-259 parts, 4 parts of stearic acid and 1 part of glyceryl monostearate), 15 parts of polyethylene wax emulsion, 25 parts of nonionic soft film emulsion, 3 parts of Stokes Ke Huashuang agent, 5 parts of cellulose thickening agent, 0.9 part of KOH and 150 parts of deionized water;
the preparation method of the oil-wax composite emulsion is the same as that of the example 1.
Example 4
The oil-wax composite emulsion comprises the following components in parts by weight: 35 parts of grease (15 parts of chlorinated paraffin, 15 parts of beef tallow and 5 parts of glycerol), 23.5 parts of emulsifying agent (peregal O-95 parts, peregal O-1010 parts, peregal O-252 parts, 5 parts of stearic acid and 1.5 parts of glyceryl monostearate), 18 parts of polyethylene wax emulsion, 30 parts of nonionic film emulsion, 10 parts of Stokes Ke Huashuang agent, 7 parts of cellulose thickening agent, 0.6 part of KOH and 180 parts of deionized water;
the preparation method of the oil-wax composite emulsion is the same as that of the example 1.
Example 5
The oil-wax composite emulsion comprises the following components in parts by weight: 38 parts of grease (18 parts of chlorinated paraffin, 10 parts of beef tallow and 10 parts of glycerol), 26 parts of emulsifying agent (peregal O-98 parts, peregal O-108 parts, peregal O-256 parts and 4 parts of stearic acid), 22 parts of polyethylene wax emulsion, 15 parts of nonionic soft film emulsion, 521115 parts of dakangning, 8 parts of cellulose thickener, 0.8 part of KOH and 200 parts of deionized water;
the preparation method of the oil-wax composite emulsion is the same as that of the example 1.
The viscosity of the oil-wax composite emulsions obtained in examples 1 to 5 was measured by using a rotary viscometer NDJ-4 (selected rotor is 2# rotor, rotation speed is 30 rpm) from Shanghai precision instruments Co.
The oil-wax composite emulsion obtained in examples 1 to 5 was used for wiping leather, and then the performance of the leather after wiping was tested: the oil feeling is obtained through engineer touch evaluation comparison, the grade 1 is the lowest, and the grade 5 is the highest; gloss uses a gloss meter WGG60-Y from Keshijia photoelectric instruments Co., ltd 4 And (5) measuring. The results are shown in Table 1. As can be seen from table 1: by using the oil-wax composite emulsion, the oil-wet feel and glossiness of the leather are greatly improved, and the grade of the leather is improved.
TABLE 1 viscosity of the oil-wax emulsions obtained in examples 1 to 5 and its results on improvement of leather feeling and gloss
| Viscosity mPas | Feeling of oil | Glossiness (Gu) | |
| Treatment of unapplied wax | Level 1 | 4.5 | |
| Example 1 | 530 | 4.5 grade | 14.8 |
| Example 2 | 550 | Grade 4 | 13.5 |
| Example 3 | 720 | Grade 5 | 12.9 |
| Example 4 | 600 | 3.5 grade | 13.1 |
| Example 5 | 570 | 3 grade | 14.2 |
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. The oil-wax composite emulsion for leather care is characterized by comprising the following components in parts by weight:
10-20 parts of grease;
5-10 parts of an emulsifier;
5-10 parts of polyethylene wax emulsion;
5-10 parts of nonionic film emulsion;
1-5 parts of a handfeel agent;
0.1-0.3 parts of alkali;
45-65 parts of water;
2-3 parts of a thickening agent;
the grease is a mixture of chlorinated paraffin, glycerol and beef tallow; the mass ratio of chlorinated paraffin, glycerol and beef tallow in the grease is 2:1:1.
2. the oil and wax composite emulsion of claim 1, wherein the emulsifier is a nonionic surfactant.
3. The oil and wax composite emulsion of claim 2, wherein the nonionic surfactant comprises one or more of peregal O-9, peregal O-10, peregal O-25, and glyceryl monostearate.
4. The oil wax composite emulsion of claim 1, wherein the polyethylene wax emulsion has a particle size of < 50nm.
5. The oil wax composite emulsion of claim 1, wherein the handfeel agent is a sloo Ke Huashuang agent or a dakangnin 5211 agent.
6. The oil wax composite emulsion of claim 1, wherein the thickener is a cellulosic thickener.
7. The method for preparing the oil-wax composite emulsion according to any one of claims 1 to 6, which is characterized by comprising the following steps:
mixing grease and an emulsifying agent to obtain a first mixed solution;
mixing the first mixed solution with alkali and water to obtain a second mixed solution;
and mixing the second mixed solution with the polyethylene wax emulsion, the nonionic soft film emulsion and the handfeel agent, and finally adding the thickening agent into a system to obtain the oil wax composite emulsion.
8. The application of the oil-wax composite emulsion according to any one of claims 1-6 in the field of leather care.
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| CN101831102B (en) * | 2010-05-14 | 2013-01-23 | 深圳市天之一科技开发有限公司 | Aqueous environmentally-friendly leather finishing and delustering handfeel wax assistant and preparation process thereof |
| CN101845751B (en) * | 2010-05-14 | 2012-01-11 | 深圳市天之一科技开发有限公司 | Water-based environment-friendly hand feeling oiling agent for surface treatment of leathers and preparation process thereof |
| CN102492789B (en) * | 2011-12-08 | 2013-11-27 | 北京泛博化学股份有限公司 | Leather care agent as well as preparation method and preparation device thereof |
| CN102553504B (en) * | 2012-01-18 | 2014-12-17 | 朗盛（常州）有限公司 | Preparation method of emulsion, leather care emulsion, and use leather care emulsion |
| CN104293987B (en) * | 2014-11-05 | 2016-08-24 | 北京泛博化学股份有限公司 | Hair leather fatting agent and preparation method thereof |
| CN105779670A (en) * | 2016-04-29 | 2016-07-20 | 四川力久知识产权服务有限公司 | Wax emulsion for leather finishing and preparing method of wax emulsion |
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