CN105779670A - Wax emulsion for leather finishing and preparing method of wax emulsion - Google Patents
Wax emulsion for leather finishing and preparing method of wax emulsion Download PDFInfo
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- CN105779670A CN105779670A CN201610278718.6A CN201610278718A CN105779670A CN 105779670 A CN105779670 A CN 105779670A CN 201610278718 A CN201610278718 A CN 201610278718A CN 105779670 A CN105779670 A CN 105779670A
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- wax emulsion
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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
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Abstract
The invention discloses wax emulsion for leather finishing and a preparing method of the wax emulsion, and belongs to the technical field of leather processing. The wax emulsion comprises, by weight percent, 1.4% to 3.6% of oxidized polyethlene wax, 1.2% to 3.2% of vegetable waxes, 2.2% to 4.4% of beewax, 1.6% to 3.8% of paraffin, 1.2% to 3.2% of an ionic surface-active agent, 0.5% to 1.2% of glycerinum, 1.6% to 2% of a sodium hydroxide solution, 0.6% to 1.2% of a thickening agent and the balance water. The wax emulsion can be used for improving the hand feeling and water resistance of a leather finishing agent, and the hand feeling of a leather product is more superior. The wax emulsion does not contain benzene compounds, is quite environment-friendly in use, and has the very good application prospects and economic value.
Description
Technical field
The present invention relates to leather processing technique field, particularly to the wax emulsion and preparation method thereof of a kind of leather finish.
Background technology
Wax emulsion in leather industry mainly as leather finish auxiliary agent, for the end, in, top be coated with, there is good performance.Wax had both had the general character of water proofing property and lubricity, has again the characteristic of such as oiliness, viscosity, fragility, toughness, fusibleness and gloss aspect, has a great difference to each other.In actual applications, a kind of wax can not have all character met required for a certain special-purpose.Therefore, when selecting the raw material of leather finish wax emulsion, the serviceability of wax to be considered, improve the Spraying technique of leather finish.
Chinese patent application CN102041325A discloses a kind of EFFECTS OF LEATHER FINISHING wax emulsion, including composition and the preparation method of this EFFECTS OF LEATHER FINISHING wax emulsion.It is made up of following raw materials according (wt%): Cera Flava 21.00～49.00, river wax 9.00～21.00, peregal 0-200.88～2.04, Arlacel-80 0.32～0.76, distilled water 28.8～67.20.This wax emulsion adds at the bottom of leather, in, the slurry of top finishing uses, there is the several functions such as antiseized, smooth, waterproof, softness, filling, glazing.But this EFFECTS OF LEATHER FINISHING wax emulsion feel after leather bottom is covered with paint, lacquer, colour wash, etc. is very puckery, and wax sense is not strong.
Chinese patent application CN103666280B discloses a kind of buffing wax emulsion for leather finish and preparation method thereof, wax emulsion for leather finish and preparation method thereof: it is made up of following raw materials according (wt%): oxidized paraffin wax 3.5%～4.6%, lignite wax 1.4%～1.9%, rice bran wax 3.3%～4.8%, paraffin 5.5%～6.5%, comprehensive wax emulsifying agent 8.4%～10.8%, co-emulsifier 0.5%～1.5%, sodium hydroxide solution 1.0%～1.5%.This leather buffing wax emulsion has the gloss improving leather, improves leather hand feeling, strengthens leather wearability advantage.But the part by weight of the emulsifying agent used in this wax emulsion formulations and paraffin percentage ratio is between 1: 1～2: 1, too much emulsifier can cause that the wax emulsion permeability of preparation is too strong, easily causes wetness sensation, have impact on the quality of leather after covering with paint, lacquer, colour wash, etc. leather.
Summary of the invention
It is an object of the invention to overcome in prior art the wax sense existing for leather primary coat wax emulsion strong, the deficiency that astringent sense is heavier, it is provided that a kind of wax emulsion for leather finish and preparation method thereof.This wax emulsion can be used in improving the feel of leather finishing agent and resistance to water, it is possible to makes real leather products feel more excellent.
In order to realize foregoing invention purpose, the invention provides techniques below scheme:
A kind of wax emulsion for leather finish, component including following weight percentage ratio: OPE 1.4～3.6%, haze tallow 1.2～3.2%, Cera Flava 2.2～4.4%, paraffin 1.6～3.8%, ionic surfactant 1.2～3.2%, glycerol 0.5～1.2%, sodium hydroxide solution 1.6～2%, thickening agent 0.6～1.2%, surplus is water.
Preferably, a kind of wax emulsion for leather finish, component including following weight percentage ratio: OPE 1.6～3.4%, haze tallow 1.4～3%, Cera Flava 2.4～4.2%, paraffin 1.8～3.6%, ionic surfactant 1.4～2.8%, glycerol 0.6～1%, sodium hydroxide solution 1.6～1.9%, thickening agent 0.7～1%, surplus is water.
Preferred, a kind of wax emulsion for leather finish, component including following weight percentage ratio: OPE 1.8～3.2%, haze tallow 1.6～2.8%, Cera Flava 2.6～3.8%, paraffin 2.1～3.2%, ionic surfactant 1.6～2.4%, glycerol 0.7～0.9%, sodium hydroxide solution 1.6～1.8%, thickening agent 0.8～1%, surplus is water.
Most preferably, a kind of wax emulsion for leather finish, including the component of following weight percentage ratio: OPE 2.6%, haze tallow 2.2%, Cera Flava 3.2%, paraffin 2.6%, ionic surfactant 2.1%, glycerol 0.8%, sodium hydroxide solution 1.6%, thickening agent 0.9%, surplus is water.
Preferably, above-mentioned ionic surfactant is sodium lauryl sulphate, fatty alcohol sulfosuccinate, stearic acid, Palmic acid, oleic acid, one or more in sodium stearate, sodium palmitate and enuatrol.
Preferably, the mass percent of above-mentioned sodium hydroxide solution is 16～25%.
Preferably, above-mentioned thickening agent is cellulose, cellulose gum, magnesium silicate, arabic gum, xanthan gum, alginate and one or more in HANSHENGJIAO.
Another object of the present invention is to the preparation method that a kind of wax emulsion for leather finish is provided, comprise the following steps:
S1 prepares oil phase dispersed mixture: be sequentially added into OPE, haze tallow, Cera Flava and paraffin in autoclave, adds heat fusing, opens stirring；Low whipping speed is under the stirring condition of 100～200rpm, adds ionic surfactant, obtain oil phase dispersed mixture in reactor；
S2 prepares Aqueous dispersions mixture: sodium hydroxide solution and glycerol are added to the water, and is warming up to 60～80 DEG C when low whipping speed 100～200rpm, prepares Aqueous dispersions mixture；
S3 prepares wax emulsion: opens cooling water, makes the temperature in autoclave be down to 90 DEG C, improves the mixing speed of reactor to 500～800rpm, adds the step S2 Aqueous dispersions mixture prepared and carry out emulsifying, and emulsification times is 1～3h；Subsequently at the mixing speed borehole cooling that speed is 200～300rpm to room temperature, continue stirring 10～30min after adding thickening agent, be then filtrated to get leather finish wax emulsion.
Compared with prior art, beneficial effects of the present invention:
The wax emulsion for the leather finish provided by the invention usage ratio allotment by soft wax and hard wax, and the optimization of surfactant types and consumption, the wax emulsion of preparation can improve feel and the resistance to water of leather finishing agent, it is possible to makes real leather products feel more excellent.And, this wax emulsion, without benzene-like compounds, uses very environmental protection, has good application prospect and economic worth.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail.But this should not being interpreted as, the scope of the above-mentioned theme of the present invention is only limitted to below example, and all technology realized based on present invention belong to the scope of the present invention.
Embodiment 1
A kind of wax emulsion for leather finish, including the component of following weight percentage ratio: OPE 2.6%, haze tallow 2.2%, Cera Flava 3.2%, paraffin 2.6%, stearic acid 2.1%, glycerol 0.8%, sodium hydroxide solution 1.6%, xanthan gum 0.9%, surplus is water.
The preparation method of above-mentioned wax emulsion, comprises the following steps:
S1 prepares oil phase dispersed mixture: being sequentially added into the OPE of formula ratio, haze tallow, Cera Flava and paraffin in autoclave, heating melts to 120 DEG C, opens stirring；Low whipping speed is under the stirring condition of 150rpm, adds stearic acid, obtain oil phase dispersed mixture in reactor；
S2 prepares Aqueous dispersions mixture: the sodium hydroxide solution of 20wt% and glycerol are added to the water, and is warming up to 80 DEG C when low whipping speed 100rpm, prepares Aqueous dispersions mixture；
S3 prepares wax emulsion: opens cooling water, makes the temperature in autoclave be down to 90 DEG C, improves the mixing speed of reactor to 600rpm, adds the step S2 Aqueous dispersions mixture prepared and carry out emulsifying, and emulsification times is 1h；Subsequently at the mixing speed borehole cooling that speed is 250rpm to room temperature, continue stirring 20min after adding xanthan gum, after filtration, obtain leather finish wax emulsion.
Embodiment 2
A kind of wax emulsion for leather finish, including the component of following weight percentage ratio: OPE 1.4%, haze tallow 1.2%, Cera Flava 2.2%, paraffin 1.6%, stearic acid 1.2%, glycerol 0.5%, sodium hydroxide solution 1.6%, hydroxyethyl cellulose 0.6%, surplus is water.
The preparation method of above-mentioned wax emulsion, comprises the following steps:
S1 prepares oil phase dispersed mixture: being sequentially added into the OPE of formula ratio, haze tallow, Cera Flava and paraffin in autoclave, heating melts to 110 DEG C, opens stirring；Low whipping speed is under the stirring condition of 100rpm, adds stearic acid, obtain oil phase dispersed mixture in reactor；
S2 prepares Aqueous dispersions mixture: the sodium hydroxide solution of 16wt% and glycerol are added to the water, and is warming up to 70 DEG C when low whipping speed 100rpm, prepares Aqueous dispersions mixture；
S3 prepares wax emulsion: opens cooling water, makes the temperature in autoclave be down to 90 DEG C, improves the mixing speed of reactor to 500rpm, adds the step S2 Aqueous dispersions mixture prepared and carry out emulsifying, and emulsification times is 2h；Subsequently at the mixing speed borehole cooling that speed is 200rpm to room temperature, continue stirring 10min after adding hydroxyethyl cellulose, after filtration, obtain leather finish wax emulsion.
Embodiment 3
A kind of wax emulsion for leather finish, including the component of following weight percentage ratio: OPE 3.6%, haze tallow 3.2%, Cera Flava 4.4%, paraffin 3.8%, Palmic acid 3.2%, glycerol 1.2%, sodium hydroxide solution 2%, HANSHENGJIAO 1.2%, surplus is water.
S1 prepares oil phase dispersed mixture: being sequentially added into OPE, haze tallow, Cera Flava and paraffin in autoclave, heating melts to 130 DEG C, opens stirring；Low whipping speed is under the stirring condition of 200rpm, adds Palmic acid, obtain oil phase dispersed mixture in reactor；
S2 prepares Aqueous dispersions mixture: sodium hydroxide solution and glycerol are added to the water, and is warming up to 75 DEG C when low whipping speed 200rpm, prepares Aqueous dispersions mixture；
S3 prepares wax emulsion: opens cooling water, makes the temperature in autoclave be down to 90 DEG C, improves the mixing speed of reactor to 800rpm, adds the step S2 Aqueous dispersions mixture prepared and carry out emulsifying, and emulsification times is 3h；Subsequently at the mixing speed borehole cooling that speed is 300rpm to room temperature, continue stirring 30min after adding HANSHENGJIAO, be then filtrated to get leather finish wax emulsion.
Embodiment 4
A kind of wax emulsion for leather finish, including the component of following weight percentage ratio: OPE 2.8%, haze tallow 2.4%, Cera Flava 3.6%, paraffin 3.2%, stearic acid 2.1%, glycerol 0.8%, sodium hydroxide solution 1.8%, xanthan gum 0.9%, surplus is water.
The preparation method of above-mentioned wax emulsion, comprises the following steps:
S1 prepares oil phase dispersed mixture: being sequentially added into the OPE of formula ratio, haze tallow, Cera Flava and paraffin in autoclave, heating melts to 120 DEG C, opens stirring；Low whipping speed is under the stirring condition of 150rpm, adds stearic acid, obtain oil phase dispersed mixture in reactor；
S2 prepares Aqueous dispersions mixture: the sodium hydroxide solution of 20wt% and glycerol are added to the water, and is warming up to 80 DEG C when low whipping speed 100rpm, prepares Aqueous dispersions mixture；
S3 prepares wax emulsion: opens cooling water, makes the temperature in autoclave be down to 90 DEG C, improves the mixing speed of reactor to 600rpm, adds the step S2 Aqueous dispersions mixture prepared and carry out emulsifying, and emulsification times is 1h；Subsequently at the mixing speed borehole cooling that speed is 250rpm to room temperature, continue stirring 20min after adding xanthan gum, after filtration, obtain leather finish wax emulsion.
Comparative example 1
A kind of wax emulsion for leather finish, including the component of following weight percentage ratio: OPE 2.6%, Cera Flava 3.2%, paraffin 2.6%, stearic acid 2.1%, glycerol 0.8%, sodium hydroxide solution 1.6%, xanthan gum 0.9%, surplus is water.
The preparation method of above-mentioned wax emulsion, comprises the following steps:
S1 prepares oil phase dispersed mixture: being sequentially added into the OPE of formula ratio, haze tallow, Cera Flava and paraffin in autoclave, heating melts to 120 DEG C, opens stirring；Low whipping speed is under the stirring condition of 150rpm, adds stearic acid, obtain oil phase dispersed mixture in reactor；
S2 prepares Aqueous dispersions mixture: the sodium hydroxide solution of 20wt% and glycerol are added to the water, and is warming up to 80 DEG C when low whipping speed 100rpm, prepares Aqueous dispersions mixture；
S3 prepares wax emulsion: opens cooling water, makes the temperature in autoclave be down to 90 DEG C, improves the mixing speed of reactor to 600rpm, adds the step S2 Aqueous dispersions mixture prepared and carry out emulsifying, and emulsification times is 1h；Subsequently at the mixing speed borehole cooling that speed is 250rpm to room temperature, continue stirring 20min after adding xanthan gum, after filtration, obtain leather finish wax emulsion.
Comparative example 2
A kind of wax emulsion for leather finish, including the component of following weight percentage ratio: OPE 5.6%, haze tallow 6.2%, Cera Flava 7.4%, paraffin 5.2%, sodium lauryl sulphate 6.4%, glycerol 3.6%, sodium hydroxide solution 4.5%, arabic gum 1.8%, surplus is water.
The preparation method of above-mentioned wax emulsion, comprises the following steps:
S1 prepares oil phase dispersed mixture: being sequentially added into the OPE of formula ratio, haze tallow, Cera Flava and paraffin in autoclave, heating melts to 120 DEG C, opens stirring；Low whipping speed is under the stirring condition of 150rpm, adds sodium lauryl sulphate, obtain oil phase dispersed mixture in reactor；
S2 prepares Aqueous dispersions mixture: the sodium hydroxide solution of 20wt% and glycerol are added to the water, and is warming up to 80 DEG C when low whipping speed 100rpm, prepares Aqueous dispersions mixture；
S3 prepares wax emulsion: opens cooling water, makes the temperature in autoclave be down to 90 DEG C, improves the mixing speed of reactor to 600rpm, adds the step S2 Aqueous dispersions mixture prepared and carry out emulsifying, and emulsification times is 1h；Subsequently at the mixing speed borehole cooling that speed is 250rpm to room temperature, continue stirring 20min after adding arabic gum, after filtration, obtain leather finish wax emulsion.
The wax emulsion prepared by embodiment 1-4 is deployed into slurry by primary coat formula consumption and other leather finish auxiliary agents, and after covering with paint, lacquer, colour wash, etc. Corii Bovis seu Bubali leather, leather hand feeling is full, gentle, and wax sense is strong, has the resistance to water of excellence simultaneously.And comparative example 1 preparation wax emulsion be deployed into slurry in same application formula ratio ratio after, cover with paint, lacquer, colour wash, etc. Corii Bovis seu Bubali leather after, leather hand feeling is poor, and wax sense is weak, and astringent sense is heavier.And comparative example 2 preparation wax emulsion be deployed into slurry after, cover with paint, lacquer, colour wash, etc. Corii Bovis seu Bubali leather after, leather exist wax sense weak while poor water resistance problem.
Claims (8)
1. the wax emulsion for leather finish, it is characterized in that, component including following weight percentage ratio: OPE 1.4～3.6%, haze tallow 1.2～3.2%, Cera Flava 2.2～4.4%, paraffin 1.6～3.8%, ionic surfactant 1.2～3.2%, glycerol 0.5～1.2%, sodium hydroxide solution 1.6～2%, thickening agent 0.6～1.2%, surplus is water.
2. the wax emulsion for leather finish according to claim 1, it is characterized in that, component including following weight percentage ratio: OPE 1.6～3.4%, haze tallow 1.4～3%, Cera Flava 2.4～4.2%, paraffin 1.8～3.6%, ionic surfactant 1.4～2.8%, glycerol 0.6～1%, sodium hydroxide solution 1.6～1.9%, thickening agent 0.7～1%, surplus is water.
3. the wax emulsion for leather finish according to claim 2, it is characterized in that, component including following weight percentage ratio: OPE 1.8～3.2%, haze tallow 1.6～2.8%, Cera Flava 2.6～3.8%, paraffin 2.1～3.2%, ionic surfactant 1.6～2.4%, glycerol 0.7～0.9%, sodium hydroxide solution 1.6～1.8%, thickening agent 0.8～1%, surplus is water.
4. the wax emulsion for leather finish according to claim 3, it is characterized in that, component including following weight percentage ratio: OPE 2.6%, haze tallow 2.2%, Cera Flava 3.2%, paraffin 2.6%, ionic surfactant 2.1%, glycerol 0.8%, sodium hydroxide solution 1.6%, thickening agent 0.9%, surplus is water.
5. the wax emulsion for leather finish according to any one of claim 1-4, it is characterized in that, described ionic surfactant is sodium lauryl sulphate, fatty alcohol sulfosuccinate, stearic acid, Palmic acid, oleic acid, one or more in sodium stearate, sodium palmitate and enuatrol.
6. the wax emulsion for leather finish according to claim 1, it is characterised in that the mass percent of described sodium hydroxide solution is 16～25%.
7. the wax emulsion for leather finish according to claim 1, it is characterised in that described thickening agent is cellulose, cellulose gum, magnesium silicate, arabic gum, xanthan gum, alginate and one or more in HANSHENGJIAO.
8. the preparation method of the wax emulsion for leather finish according to any one of claim 1-7, it is characterised in that comprise the following steps:
S1 prepares oil phase dispersed mixture: be sequentially added into OPE, haze tallow, Cera Flava and paraffin in autoclave, adds heat fusing, opens stirring；Low whipping speed is under the stirring condition of 100～200rpm, adds ionic surfactant, obtain oil phase dispersed mixture in reactor；
S2 prepares Aqueous dispersions mixture: sodium hydroxide solution and glycerol are added to the water, and is warming up to 60～80 DEG C when low whipping speed 100～200rpm, prepares Aqueous dispersions mixture；
S3 prepares wax emulsion: opens cooling water, makes the temperature in autoclave be down to 90 DEG C, improves the mixing speed of reactor to 500～800rpm, adds the step S2 Aqueous dispersions mixture prepared and carry out emulsifying, and emulsification times is 1～3h；Subsequently at the mixing speed borehole cooling that speed is 200～300rpm to room temperature, continue stirring 10～30min after adding thickening agent, be then filtrated to get leather finish wax emulsion.
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| CN201610278718.6A CN105779670A (en) | 2016-04-29 | 2016-04-29 | Wax emulsion for leather finishing and preparing method of wax emulsion |
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| CN201610278718.6A CN105779670A (en) | 2016-04-29 | 2016-04-29 | Wax emulsion for leather finishing and preparing method of wax emulsion |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106281011A (en) * | 2016-09-05 | 2017-01-04 | 四川力久云智知识产权运营有限公司 | A kind of cationic wax emulsion for leather finish and preparation method thereof |
| CN106366920A (en) * | 2016-08-29 | 2017-02-01 | 浙江奥王服饰有限公司 | Emulsion used in leather processing process and preparation method thereof |
| CN106752419A (en) * | 2016-11-28 | 2017-05-31 | 德阳力久云智知识产权运营有限公司 | A kind of wax Emulsion for Leather containing OPE and preparation method thereof |
| CN107325652A (en) * | 2016-11-28 | 2017-11-07 | 德阳力久云智知识产权运营有限公司 | A kind of wax Emulsion for Leather containing Tissuemat E and preparation method thereof |
| CN107524027A (en) * | 2017-08-14 | 2017-12-29 | 兴业皮革科技股份有限公司 | A kind of coating method for solving crust leather dyeing defect |
| CN107760210A (en) * | 2017-10-10 | 2018-03-06 | 佛山市三水区白坭镇巨财红木厂 | A kind of preparation method and applications method of mahogany furniture liquid wax |
| CN111234260A (en) * | 2020-03-27 | 2020-06-05 | 东莞市汉维科技股份有限公司 | Two-step emulsification preparation process of super-hydrophobic paraffin/polyethylene wax composite microemulsion |
| CN112457775A (en) * | 2019-09-17 | 2021-03-09 | 齐河力厚化工有限公司 | Oil-wax composite emulsion and preparation method and application thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106366920A (en) * | 2016-08-29 | 2017-02-01 | 浙江奥王服饰有限公司 | Emulsion used in leather processing process and preparation method thereof |
| CN106281011A (en) * | 2016-09-05 | 2017-01-04 | 四川力久云智知识产权运营有限公司 | A kind of cationic wax emulsion for leather finish and preparation method thereof |
| CN106752419A (en) * | 2016-11-28 | 2017-05-31 | 德阳力久云智知识产权运营有限公司 | A kind of wax Emulsion for Leather containing OPE and preparation method thereof |
| CN107325652A (en) * | 2016-11-28 | 2017-11-07 | 德阳力久云智知识产权运营有限公司 | A kind of wax Emulsion for Leather containing Tissuemat E and preparation method thereof |
| CN107524027A (en) * | 2017-08-14 | 2017-12-29 | 兴业皮革科技股份有限公司 | A kind of coating method for solving crust leather dyeing defect |
| CN107524027B (en) * | 2017-08-14 | 2020-01-10 | 兴业皮革科技股份有限公司 | Coating method for solving crust leather color pattern |
| CN107760210A (en) * | 2017-10-10 | 2018-03-06 | 佛山市三水区白坭镇巨财红木厂 | A kind of preparation method and applications method of mahogany furniture liquid wax |
| CN112457775A (en) * | 2019-09-17 | 2021-03-09 | 齐河力厚化工有限公司 | Oil-wax composite emulsion and preparation method and application thereof |
| CN111234260A (en) * | 2020-03-27 | 2020-06-05 | 东莞市汉维科技股份有限公司 | Two-step emulsification preparation process of super-hydrophobic paraffin/polyethylene wax composite microemulsion |
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Application publication date: 20160720 |