CN109112235B - High-permeability beef foot oil compound fat liquor and preparation method thereof - Google Patents
High-permeability beef foot oil compound fat liquor and preparation method thereof Download PDFInfo
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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
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
- C14C9/02—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes using fatty or oily materials, e.g. fat liquoring
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Abstract
The invention discloses a high-permeability beef foot oil compound fatting agent which is composed of the following raw materials in parts by weight: 55-65 parts of modified neat's foot oil, 20-30 parts of a high-permeability surfactant, 10-20 parts of a bee wax liquid, 10-18 parts of triethylene glycol, 8-15 parts of isotridecyl alcohol myristate, 5-10 parts of coconut diethanolamide, 1-2 parts of isobutanol and 85-95 parts of water. The invention also discloses a preparation method of the high-permeability beef foot oil compound fatliquor. The fatting agent has good emulsifying power, excellent permeability and excellent stability, can uniformly and deeply permeate into a leather board, has strong capability of dispersing natural grease, makes the leather board soft, full and elastic, is smooth, mercerized, oily and not greasy, and has excellent extensibility, softness and elasticity of the fatted fur; the alkali resistance and the metal salt ion stability of the fatting agent are good, and the extremely high requirements of multi-procedure step-by-step fatting on the performance of the fatting agent can be met; the compounded fatting agent has good storage stability.
Description
Technical Field
The invention relates to the technical field of leather fatting agents and preparation, in particular to a high-permeability cow-hoof oil leather fatting agent and a preparation method thereof.
Background
The greasing is an important process in a series of production and processing processes of leather from raw leather to finished leather, and is characterized in that grease is directly applied to the processed leather or applied to the processed leather in an emulsion mode under a certain condition, so that grease components with a lubricating effect permeate into leather fibers of the leather, the mobility among the leather fibers is increased, the leather is soft and folding-resistant, and the defects that the leather surface is stiff and easy to break due to leather fiber bonding are avoided. The fatted leather has good hand feeling and physical and mechanical properties, and simultaneously, the shrinkage rate of the leather surface is reduced, and the finished leather area is increased.
The leather fatting agent is one of chemical materials with large use amount, and the main active component of the leather fatting agent is grease subjected to hydrophilic modification. The raw material oil of the fatting agent mainly comprises vegetable oil, animal oil, mineral oil, synthetic oil and the like, and the commonly used vegetable oil raw materials comprise rapeseed oil, castor oil, soybean oil and the like; common animal oil and fat raw materials comprise fish oil, lecithin, neatsfoot oil, lanolin and the like; common raw materials of mineral and synthetic oil comprise paraffin, isobutanol and the like, and the general formula of the chemical components of the raw materials is CnH2n+(2 n = 5~ 40). With the development of leather industry in China, the types of the fatting agents are continuously increased, and the quality and the performance are continuously improved. The fatting agent in the prior art is mostly used in the form of emulsion, and the stability of the fatting agent is an important factor influencing the use performance of the fatting agent.
The neat's foot oil is a natural grease without hydroxyl, has strong hydrophobicity, is mainly 16 acid, 18 acid or oleic acid, triglyceride of polyene type acid, belongs to one of high-grade fatting agents, leather treated by the neat's foot oil fatting agent has excellent characteristics, but the existing neat's foot oil fatting agent has poor storage stability and permeability, and is difficult to give full play to the neat's foot oil excellent fatting effect.
Disclosure of Invention
The invention aims to provide a neat's foot oil compound fatting agent with high permeability and storage stability and a preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: a high-permeability neat-foot-oil compound fatting agent comprises the following raw material components: the modified neat's foot oil, hypertonic surfactant, beeswax liquid, triethylene glycol, isotridecanol myristate, coconut oil acid diethanolamide, isobutyl alcohol and water, wherein the raw materials comprise the following components in parts by weight: 55-65 parts of modified neat's foot oil, 20-30 parts of a high-permeability surfactant, 10-20 parts of a bee wax liquid, 10-18 parts of triethylene glycol, 8-15 parts of isotridecyl alcohol myristate, 5-10 parts of coconut diethanolamide, 1-2 parts of isobutanol and 85-95 parts of water.
Further, the high-permeability neatsfoot oil compound fat liquor is composed of the following raw materials in parts by weight: 60 parts of modified neat's foot oil, 25 parts of hypertonic surfactant, 15 parts of beeswax liquid, 15 parts of triethylene glycol, 12 parts of isotridecanol myristate, 8 parts of coconut diethanolamide, 1.5 parts of isobutanol and 90 parts of water.
Further, the preparation method of the modified neat foot oil comprises the following steps:
(1) stirring and reacting the neat's foot oil with diethanolamine which is 10-20% of the neat's foot oil in percentage by weight and sodium methoxide which is 1-1.5% of the neat's foot oil in percentage by weight at 60 ℃ for 4 hours to obtain primary modified neat's foot oil;
(2) placing phosphorus pentoxide powder which is 30-40% of the primary modified neat's foot oil in equal volume of concentrated phosphoric acid with the concentration of 85%, heating to 85-95 ℃, preserving heat, stirring, and reacting for 2-3 hours to obtain a phosphorylation modifying reagent;
(3) and (3) adding the phosphorylation modifying reagent obtained in the step (2) into the primary modified neat's foot oil obtained in the step (1), heating to 75 ℃ after the addition is finished, carrying out heat preservation reaction for 3 hours, and neutralizing to pH 6-7 to obtain the modified neat's foot oil.
Further, the conditions for adding the phosphorylation modifying reagent into the primarily modified neat's foot oil are as follows: and (3) continuously stirring the primarily modified neat's foot oil at the temperature of 45 ℃, and slowly adding the primarily modified neat's foot oil into the primarily modified neat's foot oil, wherein the adding time is controlled to be 30-45 min.
Furthermore, the hypertonic surfactant is fatty alcohol-polyoxyethylene ether (3) phosphate or fatty alcohol-polyoxyethylene ether (5) phosphate, is a special surfactant, has good electrolyte compatibility, thermal and alkali stability and the like, is excellent in permeability, and has a good composite permeation effect with the modified fish oil.
The preparation method of the high-permeability neatsfoot oil compound fat liquor comprises the following steps:
(1) preparing modified neat foot oil, heating the prepared modified neat foot oil and the beeswax liquid to 85-90 ℃, mixing, and stirring for 2-3 hours under heat preservation;
(2) adding a hypertonic surfactant, isotridecyl alcohol myristate and triethylene glycol into the liquid obtained in the step (1), and stirring for 3-4 hours under the condition of heat preservation;
(3) mixing coconut diethanolamide with water, and heating to 70-80 ℃;
(4) slowly adding the solution obtained in the step (3) into the liquid obtained in the step (2), wherein the feeding process is carried out for 1-2 h, and after the feeding is finished, cooling to 50-60 ℃, and carrying out heat preservation and stirring for 0.5-1 h;
(5) and (4) adding isobutanol into the liquid obtained in the step (4), keeping the temperature, stirring for 2-3 hours, and cooling to room temperature to obtain the leather fatting agent.
The invention modifies the oxfoot oil without hydroxyl by diethanolamine containing hydroxyl and amino in molecular structure under specific condition, so that the modified product contains hydroxyl and amido bond active groups at the same time, uses phosphorylation modifying reagent to carry out phosphorylation reaction, uses the phosphorylation modifying reagent, which solves the problem that the reaction of the existing polyphosphoric acid is difficult to carry out due to larger polymerization degree and higher viscosity, and the phosphoric acid is adopted to disperse the phosphorus pentoxide, thereby avoiding the self defect that the phosphorus pentoxide is easy to agglomerate and the phenomenon that the solid phosphorus pentoxide with high activity and the substrate containing hydroxyl group are in solid-liquid heterogeneous reaction at the initial stage of the reaction and are easy to generate local reaction overstimulation, the substrate is carbonized by phosphorus pentoxide, and the carbonized substrate is easy to wrap the agglomerated phosphorus pentoxide, so that the reaction is prevented from continuing, and the reaction efficiency is low; the content of the phosphate monoester in the cow's foot oil modified by the phosphorylation modifying reagent is higher than 75 percent, while the content of the phosphate monoester in the modified grease obtained by directly reacting the conventional phosphorus pentoxide is generally not more than 55 percent, and the modified cow's foot oil with high content of the phosphate monoester greatly improves the permeability and the stability and is beneficial to absorbing a large amount of grease molecules by skin fibers. The modified neat's foot oil has good emulsification effect and stability, and the fat liquor after the neat's foot oil is modified and compounded with high-permeability surfactant, beeswax liquid, triethylene glycol and other raw materials has good stability, good stability of acid and alkali resistance and stability of chrome-resistant liquid, and good associativity with chrome tanning fibers, so that the affinity of the fat liquor to leather fibers is greatly increased, the neat's foot oil can be infiltrated into the leather fibers, the long-term softness of the leather is kept, the fat liquor effect of the neat's foot oil is fully exerted, the leather is endowed with plump and soft characteristics, and meanwhile, the leather has good natural gloss.
The invention has the following beneficial effects: the fatting agent has good emulsifying power, excellent permeability and excellent stability, can uniformly and deeply permeate into a leather board, has strong capability of dispersing natural grease, makes the leather board soft, full and elastic, is smooth, mercerized, oily and not greasy, and has excellent extensibility, softness and elasticity of the fatted fur; the alkali resistance and the salt ion stability of the fatting agent are good, and the extremely high requirements of multi-procedure step-by-step fatting on the performance of the fatting agent can be met; the compounded fatting agent has good storage stability, can be stored for a long time and has stable properties.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Example 1: the high-permeability neatsfoot oil compound fat liquor is composed of the following raw materials in parts by weight: 60 parts of modified neat's foot oil, 25 parts of a hypertonic surfactant, 15 parts of beeswax liquid, 15 parts of triethylene glycol, 12 parts of isotridecanol myristate, 8 parts of coconut diethanolamide, 1.5 parts of isobutanol and 90 parts of water, wherein the hypertonic surfactant is fatty alcohol polyoxyethylene ether (3) phosphate.
Further, the preparation method of the modified neat foot oil comprises the following steps: (1) stirring and reacting the neat's foot oil with 15% diethanolamine and 1.2% sodium methoxide at 60 deg.C for 4h to obtain the primary modified neat's foot oil; (2) placing phosphorus pentoxide powder accounting for 35% of the mass percentage of the primarily modified neat foot oil into isometric concentrated phosphoric acid with the concentration of 85%, heating to 90 ℃, preserving heat, stirring, and reacting for 2-3 hours to obtain a phosphorylation modifying reagent; (3) adding the phosphorylation modifying reagent obtained in the step (2) into the primary modified neat's foot oil obtained in the step (1), heating to 75 ℃ after the addition is finished, carrying out heat preservation reaction for 3 hours, and neutralizing to pH 6-7 to obtain modified neat's foot oil; the conditions for adding the phosphorylation modifying reagent into the primarily modified neat's foot oil are as follows: the oil temperature of the primary modified neat's foot oil is 45 ℃, the primary modified neat's foot oil is continuously stirred and slowly added into the primary modified neat's foot oil, and the adding time is controlled at 35 min.
The preparation method of the high-permeability neatsfoot oil compound fat liquor comprises the following steps:
(1) preparing modified neat's foot oil, heating the prepared modified neat's foot oil and beeswax liquid to 88 deg.C respectively, mixing, stirring for 2.5 h;
(2) adding a hypertonic surfactant, isotridecanol myristate and triethylene glycol into the liquid obtained in the step (1), and stirring for 3.5 hours under the condition of heat preservation;
(3) mixing the coconut diethanolamide with water, and heating to 75 ℃;
(4) slowly adding the solution obtained in the step (3) into the liquid obtained in the step (2), wherein the feeding process is 1.5h, cooling to 55 ℃ after the feeding is finished, and stirring for 1h under heat preservation;
(5) and (4) adding isobutanol into the liquid obtained in the step (4), keeping the temperature, stirring for 2.5 hours, and cooling to room temperature to obtain the leather fatting agent.
Example 2: the high-permeability neatsfoot oil compound fat liquor is composed of the following raw materials in parts by weight: 55 parts of modified neat's foot oil, 20 parts of a hypertonic surfactant, 10 parts of beeswax liquid, 10 parts of triethylene glycol, 8 parts of isotridecyl alcohol myristate, 5 parts of coconut diethanolamide, 1 part of isobutanol and 85 parts of water, wherein the hypertonic surfactant is fatty alcohol polyoxyethylene ether (3) phosphate.
Further, the preparation method of the modified neat foot oil comprises the following steps: (1) stirring and reacting the neat's foot oil with diethanolamine which is 10 percent of the neat's foot oil in weight percentage and sodium methoxide which is 1 percent of the neat's foot oil in weight percentage for 4 hours at 60 ℃ to obtain primary modified neat's foot oil; (2) placing phosphorus pentoxide powder with the mass percentage of 3 percent of the primary modified neat's foot oil into equal-volume concentrated phosphoric acid with the concentration of 85 percent, heating to 95 ℃, preserving heat, stirring and reacting for 2 hours to obtain a phosphorylation modifying reagent; (3) adding the phosphorylation modifying reagent obtained in the step (2) into the primary modified neat's foot oil obtained in the step (1), heating to 75 ℃ after the addition is finished, carrying out heat preservation reaction for 3 hours, and neutralizing to pH 6-7 to obtain modified neat's foot oil; the conditions for adding the phosphorylation modifying reagent into the primarily modified neat's foot oil are as follows: the oil temperature of the primary modified neat's foot oil is 45 ℃, the primary modified neat's foot oil is continuously stirred and slowly added into the primary modified neat's foot oil, and the adding time is controlled at 30 min.
The preparation method of the high-permeability neatsfoot oil compound fat liquor comprises the following steps:
(1) preparing modified neat's foot oil, heating the prepared modified neat's foot oil and beeswax liquid to 85 ℃ respectively, mixing, and stirring for 2 hours under heat preservation;
(2) adding a hypertonic surfactant, isotridecanol myristate and triethylene glycol into the liquid obtained in the step (1), and stirring for 3 hours under the condition of heat preservation;
(3) mixing the coconut diethanolamide with water, and heating to 70 ℃;
(4) slowly adding the solution obtained in the step (3) into the liquid obtained in the step (2), wherein the feeding process is carried out for 1h, and after the feeding is finished, cooling to 50 ℃ and stirring for 0.5h under heat preservation;
(5) and (4) adding isobutanol into the liquid obtained in the step (4), keeping the temperature and stirring for 2 hours, and cooling to room temperature to obtain the leather fatliquor.
Example 3: the high-permeability neatsfoot oil compound fat liquor is composed of the following raw materials in parts by weight: 65 parts of modified neat's foot oil, 30 parts of a hypertonic surfactant, 20 parts of beeswax liquid, 15 parts of isotridecanol myristate, 10 parts of coconut diethanolamide, 18 parts of triethylene glycol, 2 parts of isobutanol and 95 parts of water, wherein the hypertonic surfactant is fatty alcohol polyoxyethylene ether (3) phosphate.
Further, the preparation method of the modified neat foot oil comprises the following steps: (1) stirring and reacting the neat's foot oil with diethanolamine which is 20 percent of the neat's foot oil in weight percentage and sodium methoxide which is 1.5 percent of the neat's foot oil in weight percentage for 4 hours at 60 ℃ to obtain primary modified neat's foot oil; (2) placing phosphorus pentoxide powder which is 40% of the weight percentage of the primarily modified neat's foot oil into equal volume of concentrated phosphoric acid with the concentration of 85%, heating to 95 ℃, preserving heat, stirring and reacting for 3 hours to obtain a phosphorylation modifying reagent; (3) adding the phosphorylation modifying reagent obtained in the step (2) into the primary modified neat's foot oil obtained in the step (1), heating to 75 ℃ after the addition is finished, carrying out heat preservation reaction for 3 hours, and neutralizing to pH 6-7 to obtain modified neat's foot oil; the conditions for adding the phosphorylation modifying reagent into the primarily modified neat's foot oil are as follows: the oil temperature of the primary modified neat's foot oil is 45 ℃, the primary modified neat's foot oil is continuously stirred and slowly added into the primary modified neat's foot oil, and the adding time is controlled to be 45 min.
The preparation method of the high-permeability neatsfoot oil compound fat liquor comprises the following steps:
(1) preparing modified neat's foot oil, heating the prepared modified neat's foot oil and beeswax liquid to 90 ℃ respectively, mixing, and stirring for 3 hours under heat preservation;
(2) adding a hypertonic surfactant, isotridecanol myristate and triethylene glycol into the liquid obtained in the step (1), and stirring for 4 hours under the condition of heat preservation;
(3) mixing the coconut diethanolamide with water, and heating to 80 ℃;
(4) slowly adding the solution obtained in the step (3) into the liquid obtained in the step (2), performing a material adding process for 2 hours, cooling to 60 ℃ after material adding is completed, and stirring for 1 hour under heat preservation;
(5) and (4) adding isobutanol into the liquid obtained in the step (4), keeping the temperature, stirring for 3 hours, and cooling to room temperature to obtain the leather fatliquor.
Example 4: the high-permeability neatsfoot oil compound fat liquor is composed of the following raw materials in parts by weight: 65 parts of modified neat's foot oil, 20 parts of a hypertonic surfactant, 10 parts of beeswax liquid, 18 parts of triethylene glycol, 8 parts of isotridecyl alcohol myristate, 5 parts of cocodiethanolamide, 1 part of isobutanol and 95 parts of water, wherein the hypertonic surfactant is fatty alcohol polyoxyethylene ether (5) phosphate.
Further, the preparation method of the modified neat foot oil comprises the following steps: (1) stirring and reacting the neat's foot oil with diethanolamine which is 10 percent of the neat's foot oil in weight percentage and sodium methoxide which is 1.5 percent of the neat's foot oil in weight percentage for 4 hours at 60 ℃ to obtain primary modified neat's foot oil; (2) placing phosphorus pentoxide powder accounting for 30% of the mass percentage of the primarily modified neat's foot oil into equal volume of concentrated phosphoric acid with the concentration of 85%, heating to 85 ℃, preserving heat, stirring and reacting for 3 hours to obtain a phosphorylation modifying reagent; (3) adding the phosphorylation modifying reagent obtained in the step (2) into the primary modified neat's foot oil obtained in the step (1), heating to 75 ℃ after the addition is finished, carrying out heat preservation reaction for 3 hours, and neutralizing to pH 6-7 to obtain modified neat's foot oil; the conditions for adding the phosphorylation modifying reagent into the primarily modified neat's foot oil are as follows: the oil temperature of the primary modified neat's foot oil is 45 ℃, the primary modified neat's foot oil is continuously stirred and slowly added into the primary modified neat's foot oil, and the adding time is controlled to be 45 min.
The preparation method of the high-permeability neatsfoot oil compound fat liquor comprises the following steps:
(1) preparing modified neat's foot oil, heating the prepared modified neat's foot oil and beeswax liquid to 85 ℃, mixing, fully stirring and dissolving uniformly;
(2) adding a hypertonic surfactant, isotridecanol myristate and triethylene glycol into the liquid obtained in the step (1), and stirring for 4 hours under the condition of heat preservation;
(3) mixing the coconut diethanolamide with water, and heating to 70 ℃;
(4) slowly adding the solution obtained in the step (3) into the liquid obtained in the step (2), performing a material adding process for 2 hours, cooling to 50 ℃ after material adding is completed, and stirring for 1 hour under heat preservation;
(5) and (4) adding isobutanol into the liquid obtained in the step (4), keeping the temperature and stirring for 2 hours, and cooling to room temperature to obtain the leather fatliquor.
Example 5: the high-permeability neatsfoot oil compound fat liquor is composed of the following raw materials in parts by weight: 62 parts of modified neat's foot oil, 22 parts of a hypertonic surfactant, 18 parts of beeswax liquid, 10 parts of isotridecanol myristate, 7 parts of coconut diethanolamide, 12 parts of triethylene glycol, 1.5 parts of isobutanol and 88 parts of water, wherein the hypertonic surfactant is fatty alcohol polyoxyethylene ether (5) phosphate.
Further, the preparation method of the modified neat foot oil comprises the following steps: (1) stirring and reacting the neat's foot oil with diethanolamine which is 16 percent of the neat's foot oil in weight percentage and sodium methoxide which is 1.3 percent of the neat's foot oil in weight percentage for 4 hours at 60 ℃ to obtain primary modified neat's foot oil; (2) placing phosphorus pentoxide powder with the mass percentage of 34% of the primary modified neat's foot oil into equal volume of concentrated phosphoric acid with the concentration of 85%, heating to 88 ℃, preserving heat, stirring and reacting for 2.6h to obtain a phosphorylation modifying reagent; (3) adding the phosphorylation modifying reagent obtained in the step (2) into the primary modified neat's foot oil obtained in the step (1), heating to 75 ℃ after the addition is finished, carrying out heat preservation reaction for 3 hours, and neutralizing to pH 6-7 to obtain modified neat's foot oil; the conditions for adding the phosphorylation modifying reagent into the primarily modified neat's foot oil are as follows: the oil temperature of the primary modified neat's foot oil is 45 ℃, the primary modified neat's foot oil is continuously stirred and slowly added into the primary modified neat's foot oil, and the adding time is controlled at 40 min.
The preparation method of the high-permeability neatsfoot oil compound fat liquor comprises the following steps:
(1) preparing modified neat's foot oil, heating the prepared modified neat's foot oil and beeswax liquid to 86 ℃, mixing, fully stirring and dissolving uniformly;
(2) adding a hypertonic surfactant, isotridecanol myristate and triethylene glycol into the liquid obtained in the step (1), and stirring for 3.5 hours under the condition of heat preservation;
(3) mixing the coconut diethanolamide with water, and heating to 72 ℃;
(4) slowly adding the solution obtained in the step (3) into the liquid obtained in the step (2), wherein the adding process is 80min, and after the adding is finished, cooling to 58 ℃ and stirring for 40min under heat preservation;
(5) and (4) adding isobutanol into the liquid obtained in the step (4), keeping the temperature, stirring for 2.5 hours, and cooling to room temperature to obtain the leather fatting agent.
The fat-liquoring agents obtained in examples 1 to 5 were subjected to salt stability analysis, and 1, 3 and 5mL of CrCl with a mass concentration of 5%3And adding the solution into 20mL of fatting agent solution with the volume concentration of 10%, fully and uniformly stirring, standing for 24h, and recording the appearance of the solution.
| CrCl3Amount of solution | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 |
| 1 mL | Clarification | Clarification | Clarification | Clarification | Clarification |
| 3 mL | Clarification | Clarification | Clarification | Clarification | Clarification |
| 5 mL | Clarification | Clarification | Clarification | Clarification | Clarification |
The salt tolerance stability analysis result of the fatting agent obtained by the invention shows that no oily turbidity or oily layering occurs, which shows that the salt tolerance stability of the fatting agent obtained by the invention is very good, and the acid resistance stability and alkali resistance stability of the fatting agent obtained by the invention are relatively good.
The results of the fat-liquoring effect of the fat-liquoring agent obtained by the invention on leather under the same fat-liquoring treatment conditions are shown in the following table:
| performance of | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Commercial neatsfoot oil fatting agent | White leather |
| Tensile strength/MPa | 12.3 | 11.6 | 11.8 | 10.6 | 12.1 | 9.3 | 7.1 |
| Elongation at break/% | 91.1 | 87.3 | 92.5 | 84.8 | 90.0 | 77.6 | 44.6 |
| Permeability/s | 41 | 46 | 48 | 54 | 45 | 76 | - |
| Softness/phi 15mm | 8.15 | 7.89 | 8.03 | 7.62 | 7.96 | 6.41 | 4.01 |
The fatting agent has good emulsifying power, excellent permeability and excellent stability, can uniformly and deeply permeate into leather boards, has clear fatting waste liquid, less residual amount of the fatting agent and dye, good absorbability of the fatting agent in leather collagen fibers, strong associativity and strong capability of dispersing natural grease, ensures that the leather boards are soft, full and good in elasticity, and is smooth, silky, oily and not greasy, and the actual using effect shows that the fatted leather has excellent extensibility, softness and elasticity.
In addition, the stability results of the experiment of sealing and storing the fatting agent of the invention at normal temperature are shown in the following table:
| Time | example 1 | Example 2 | Example 3 | Example 4 | Example 5 |
| 0 month | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization |
| 3 months old | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization |
| 6 months old | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization |
| 9 months old | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization |
| 12 months old | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization | Emulsion stabilization |
The fatting agent of the invention has no layering and turbidity after being placed for 12 months under the conventional condition, and the emulsion system has better stable property.
Claims (4)
1. The high-permeability neatsfoot oil compound fat liquor is characterized by comprising the following raw material components: the modified neat's foot oil, hypertonic surfactant, beeswax liquid, triethylene glycol, isotridecanol myristate, coconut oil acid diethanolamide, isobutyl alcohol and water, wherein the raw materials comprise the following components in parts by weight: 55-65 parts of modified neat's foot oil, 20-30 parts of a high-permeability surfactant, 10-20 parts of a beeswax liquid, 10-18 parts of triethylene glycol, 8-15 parts of isotridecyl alcohol myristate, 5-10 parts of coconut diethanolamide, 1-2 parts of isobutanol and 85-95 parts of water;
the preparation method of the high-permeability neatsfoot oil compound fat liquor comprises the following steps:
(1) preparing modified neat foot oil, heating the prepared modified neat foot oil and the beeswax liquid to 85-90 ℃, mixing, and stirring for 2-3 hours under heat preservation;
(2) adding a hypertonic surfactant, isotridecyl alcohol myristate and triethylene glycol into the liquid obtained in the step (1), and stirring for 3-4 hours under the condition of heat preservation;
(3) mixing coconut diethanolamide with water, and heating to 70-80 ℃;
(4) slowly adding the solution obtained in the step (3) into the liquid obtained in the step (2), wherein the feeding process is carried out for 1-2 h, and after the feeding is finished, cooling to 50-60 ℃, and carrying out heat preservation and stirring for 0.5-1 h;
(5) adding isobutanol into the liquid obtained in the step (4), keeping the temperature, stirring for 2-3 hours, and cooling to room temperature to obtain the leather fatliquor;
the preparation method of the modified neat's foot oil comprises the following steps:
(1) stirring and reacting the neat's foot oil with diethanolamine which is 10-20% of the neat's foot oil in percentage by weight and sodium methoxide which is 1-1.5% of the neat's foot oil in percentage by weight at 60 ℃ for 4 hours to obtain primary modified neat's foot oil;
(2) placing phosphorus pentoxide powder which is 30-40% of the primary modified neat's foot oil in equal volume of concentrated phosphoric acid with the concentration of 85%, heating to 85-95 ℃, preserving heat, stirring, and reacting for 2-3 hours to obtain a phosphorylation modifying reagent;
(3) and (3) adding the phosphorylation modifying reagent obtained in the step (2) into the primary modified neat's foot oil obtained in the step (1), heating to 75 ℃ after the addition is finished, carrying out heat preservation reaction for 3 hours, and neutralizing to pH 6-7 to obtain the modified neat's foot oil.
2. The high-permeability neatsfoot oil fat liquoring complex agent as claimed in claim 1, wherein the fat liquoring complex agent is composed of the following raw materials in parts by weight: 60 parts of modified neat's foot oil, 25 parts of hypertonic surfactant, 15 parts of beeswax liquid, 15 parts of triethylene glycol, 12 parts of isotridecanol myristate, 8 parts of coconut diethanolamide, 1.5 parts of isobutanol and 90 parts of water.
3. The high permeability bovine hoof oil superfatting agent of claim 1, wherein: the conditions for adding the phosphorylation modifying reagent into the primarily modified neat's foot oil are as follows: and (3) continuously stirring the primarily modified neat's foot oil at the temperature of 45 ℃, and slowly adding the primarily modified neat's foot oil into the primarily modified neat's foot oil, wherein the adding time is controlled to be 30-45 min.
4. A highly permeable bovine hoof oil superfatting agent according to claim 1 or 2, wherein: the hypertonic surfactant is fatty alcohol-polyoxyethylene ether (3) phosphate or fatty alcohol-polyoxyethylene ether (5) phosphate.
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| CN101845525A (en) * | 2010-06-09 | 2010-09-29 | 齐河力厚化工有限公司 | Natural phospholipid compound greasing agent and preparation method thereof |
| CN103088169A (en) * | 2013-02-07 | 2013-05-08 | 浙江传化股份有限公司 | Leather comprehensive fat liquor and preparation method of the same |
| CN103421912A (en) * | 2013-09-04 | 2013-12-04 | 北京泛博化学股份有限公司 | Fatting agent and preparing method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845525A (en) * | 2010-06-09 | 2010-09-29 | 齐河力厚化工有限公司 | Natural phospholipid compound greasing agent and preparation method thereof |
| CN103088169A (en) * | 2013-02-07 | 2013-05-08 | 浙江传化股份有限公司 | Leather comprehensive fat liquor and preparation method of the same |
| CN103421912A (en) * | 2013-09-04 | 2013-12-04 | 北京泛博化学股份有限公司 | Fatting agent and preparing method thereof |
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