CN104313206A - Fatting agent for normal-temperature fatting - Google Patents
Fatting agent for normal-temperature fatting Download PDFInfo
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- CN104313206A CN104313206A CN201410631307.1A CN201410631307A CN104313206A CN 104313206 A CN104313206 A CN 104313206A CN 201410631307 A CN201410631307 A CN 201410631307A CN 104313206 A CN104313206 A CN 104313206A
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- oil
- fatting agent
- normal temperature
- leather
- fatting
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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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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention relates to the technical field of leather chemicals and in particular to a fatting agent for normal-temperature fatting. The fatting agent is prepared from the following components in parts by weight: 50-60 parts of oxidized sulfited oil, 10-15 parts of mineral oil, 10-15 parts of animal oil and 15-25 parts of a surfactant. The fatting agent provided by the invention is excellent in acid resistance, alkaline resistance and electrolyte resistance, and good in performance of bonding with leather fibers; leather fatted by the fatting agent is soft, full and good in wettability; moreover, the fatting agent can be used for fatting the leather at normal temperature.
Description
Technical field
The present invention relates to leather chemical industry technical field, in particular to a kind of fatting agent of normal temperature stuffing.
Background technology
Stuffing in leather production also claims to refuel, and is under certain processing condition, process leather with grease or fatting agent, makes leather absorb a certain amount of grease and gives the process of removing from office certain physics, mechanical property and use properties.Stuffing can make each fiber of leather inside be wrapped up or affine " oiliness " molecule in a large number of fiber surface by the grease with lubrication by chemistry and physical action, balance leather fiber surface energy, original high energy surface is made to change low-energy surface into, increase interfibrous mutual mobility, thus prevent leather from hardening, jackknifing, leather is made again to have the good physical and mechanical property such as corresponding elasticity, toughness, extensibility and flexibility, so stuffing likely changes leather final mechanical property, aesthetic property and feel.Stuffing is one of requisite manufacturing procedure in leather processing procedure.Stuffing is under certain condition, processes leather with fatting agent, and fatting agent is a kind of important leather chemicals in leather processing procedure.
Fatting agent and leather fiber are by combination that is chemical and physics mode, and can give the certain physics of leather, mechanical property and different use propertieies, such as leather has good tearing toughness, flexibility, fullness, elasticity, water-repellancy, fire line etc.
The method of leather greasing comprises emulsion stuffing and dry stuffing two kinds, and wherein dry stuffing is mainly used in heavy leather stuffing, and emulsion stuffing is mainly used in light leather stuffing.
Fatting agent main component (working substance) can be summed up as neutral oil and emulsified component two parts, and the ratio of neutral oil and emulsifying agent evaluates an important indicator of fatting agent.Emulsifier content in fatting agent is high, and the self-emulsifying ability of fatting agent is strong, and good emulsion stability, is conducive to the combination of grease.But neutral oil content reduces, its lubrication and moisturizing effect reduce.So there is an appropriate balance in emulsifying agent part and neutral oil part in fatting agent, and this will depending on different products, different requirements.Emulsifying agent, as the integral part of in fatting agent, directly can add the tensio-active agent of respective classes in oil component, make the fatting agent of outer emulsification system.Its application performance of the fatting agent prepared in this way is poor, and there be limited evidence currently of uses.Be almost in water-fast grease molecules, introduce hydrophilic radical by chemical modification at present, make the fatting agent of self-emulsifying systems, visible chemical modification method is the important means of giving leather fat different qualities.
Fatting agent used at present all needs just can carry out stuffing application under the condition of 50-60 DEG C, and this just needs a large amount of energy consumptions, and also adds certain cost burden to enterprise, does not meet the production technique of environmental protection.
In view of this, special proposition the present invention.
Summary of the invention
The object of the present invention is to provide a kind of fatting agent of normal temperature stuffing, acidproof, alkaline-resisting, electrolyte-resistant ability is strong, good bonding properties is had with hide fiber, soft, plentiful with the leather of its stuffing, moistness is good, and this fatting agent can carry out stuffing application to leather under normal temperature condition.
In order to realize above-mentioned purpose of the present invention, spy by the following technical solutions:
A fatting agent for normal temperature stuffing, be made up of the composition of following weight proportion:
Oxidative carburetion: 50-60 part;
Mineral oil: 10-15 part;
Animal oil: 10-15 part;
Tensio-active agent: 15-25 part.
The fatting agent of a kind of normal temperature stuffing provided by the invention, forms primarily of oxidative carburetion, mineral oil, animal oil and tensio-active agent.Wherein, the performance such as stability of emulsion, electrolyte-resistant, seepage force of oxidative carburetion is all very excellent, and in leather, distribution is relatively more even, and leather body is soft; Mineral oil stable chemical nature, not oxidizable Sum decomposition, photostabilization is good, perviousness is strong, and infiltrate in leather fast, finished leather flexible resistance is very good; Animal oil has good fillibility to leather, can give leather pliable, does not make grain too soft, can not cause loose side when stretching; Tensio-active agent can make fat liquor more stable, and acid-and base-resisting, salt, electrolytical ability strengthen, and accelerates emulsion to the infiltration of intracutaneous, contributes to the emulsion dispersion of grease in water.
So, by the fatting agent of a kind of normal temperature stuffing provided by the invention, use the fatting agent that oxidative carburetion, mineral oil and animal oil are made, good combination is had with leather fiber, excellent to the glossy property of leather, flexibility, fullness and moisture feeling that leather is good can be given, and most importantly can carry out stuffing application at normal temperatures.
Further, be made up of the composition of following weight proportion:
Oxidative carburetion: 52-58 part;
Mineral oil: 11-14 part;
Animal oil: 12-14 part;
Tensio-active agent: 18-23 part.
Further, be made up of the composition of following weight proportion:
Oxidative carburetion: 54-56 part;
Mineral oil: 12-13 part;
Animal oil: 13-14 part;
Tensio-active agent: 20-21 part.
Further, described oxidative carburetion is any one or multiple combination in oxidate and sulfite fish oil, oxidated and sulfited rape oil, oxidate and sulfite lard, oxidate and sulfite Viscotrol C.
In order to improve the stability of emulsion of fatting agent further, preferably, described oxidative carburetion is oxidate and sulfite fish oil or oxidated and sulfited rape oil, or the combination of the two.
Further, described mineral oil is one or more the combination in No. 5 industrial white oils, No. 10 industrial white oils or No. 15 industrial white oils.
In order to improve the chemical stability of fatting agent, preferably, described mineral oil is No. 5 industrial white oils.
Further, described animal oil to be neat's foot oil or congealing point the be lard of 5 DEG C.Neat's foot oil grease enriches, and good stability, preferred described animal oil is neat's foot oil.
Further, described tensio-active agent is the mixture of Fatty acid methyl ester sodium sulfonate and sodium lauryl sulphate.The two combines and leather can be made to have better solidity to corrosion, makes fat liquor more stable.
Compared with prior art, beneficial effect of the present invention is:
(1) stuffing can be carried out under normal temperature condition;
(2) be combined well with leather fiber, the excellent flexibility of leather, fullness and moistness can be given.
Embodiment
Below in conjunction with embodiment, embodiment of the present invention are described in detail, but it will be understood to those of skill in the art that the following example only for illustration of the present invention, and should not be considered as limiting the scope of the invention.Unreceipted actual conditions person in embodiment, the condition of conveniently conditioned disjunction manufacturers suggestion is carried out.Agents useful for same or the unreceipted production firm person of instrument, be and can buy by commercially available the conventional products obtained.
A fatting agent for normal temperature stuffing, be made up of the composition of following weight proportion:
Oxidative carburetion: 50-60 part;
Mineral oil: 10-15 part;
Animal oil: 10-15 part;
Tensio-active agent: 15-25 part.
The fatting agent of a kind of normal temperature stuffing provided by the invention, forms primarily of oxidative carburetion, mineral oil, animal oil and tensio-active agent.Wherein, the performance such as stability of emulsion, electrolyte-resistant, seepage force of oxidative carburetion is all very excellent, and in leather, distribution is relatively more even, and leather body is soft; Mineral oil stable chemical nature, not oxidizable Sum decomposition, photostabilization is good, perviousness is strong, and infiltrate in leather fast, finished leather flexible resistance is very good; Animal oil has good fillibility to leather, can give leather pliable, does not make grain too soft, can not cause loose side when stretching; Tensio-active agent can make fat liquor more stable, and acid-and base-resisting, salt, electrolytical ability strengthen, and accelerates emulsion to the infiltration of intracutaneous, contributes to the emulsion dispersion of grease in water.
Wherein, the ratio of oil generation and emulsifying agent is an important parameter, its mutual relationship is: the content improving emulsifying agent can improve the bonding force of grease and leather, the self-emulsifying ability of fatting agent is strong, stability of emulsion is high, be conducive to dispersion and the infiltration of grease, but simultaneously oil generation and the little grease component content of wetting ability less, its lubrication and moisturizing effect just lower.So there is an appropriate balance in the self-emulsifying part of fatliquor and emulsified part, this will look different product, different requirement and determining.
The present invention, by rational proportion, makes each composition in fatting agent reach proportion optimizing, finally impels the stuffing effect of fatting agent provided by the invention to reach best.So, by the fatting agent of normal temperature stuffing provided by the invention, the fatting agent that the oxidative carburetion used, mineral oil and animal oil are made, good combination is had with leather fiber, excellent to the glossy property of leather, flexibility, fullness and moisture feeling that leather is good can be given, and most importantly can carry out stuffing application at normal temperatures.
Further, be made up of the composition of following weight proportion:
Oxidative carburetion: 52-58 part;
Mineral oil: 11-14 part;
Animal oil: 12-14 part;
Tensio-active agent: 18-23 part.
Further, be made up of the composition of following weight proportion:
Oxidative carburetion: 54-56 part;
Mineral oil: 12-13 part;
Animal oil: 13-14 part;
Tensio-active agent: 20-21 part.
Further, described oxidative carburetion is any one or multiple combination in oxidate and sulfite fish oil, oxidated and sulfited rape oil, oxidate and sulfite lard, oxidate and sulfite Viscotrol C.
In order to improve the stability of emulsion of fatting agent further, preferred described oxidative carburetion is oxidate and sulfite fish oil or oxidated and sulfited rape oil, or the mixture of the two.
Further, described mineral oil is one or more the combination in No. 5 industrial white oils, No. 10 industrial white oils or No. 15 industrial white oils.
In order to improve the chemical stability of fatting agent, preferred described mineral oil is No. 5 industrial white oils.
Further, described animal oil to be neat's foot oil or congealing point the be lard of 5 DEG C.
Neat's foot oil grease enriches, and good stability, preferred described animal oil is neat's foot oil.
Further, described tensio-active agent is Fatty acid methyl ester sodium sulfonate or sodium lauryl sulphate, or the mixture of the two.Preferred described tensio-active agent is Fatty acid methyl ester sodium sulfonate.The two combines and leather can be made to have better solidity to corrosion, makes fat liquor more stable.
The fatting agent that the present invention obtains is for after leather greasing, and leather goods are soft, plentiful, moistness is good, and properties is excellent.
Embodiment 1
The leather fat of the present embodiment, consists of:
By above-mentioned raw materials according to described number preparation, all add mixing and stirring in reactor.
Embodiment 2
The leather fat of the present embodiment, consists of:
By above-mentioned raw materials according to described number preparation, all add mixing and stirring in reactor.
Embodiment 3
The leather fat of the present embodiment, consists of:
By above-mentioned raw materials according to described number preparation, all add mixing and stirring in reactor.
Embodiment 4
The leather fat of the present embodiment, consists of:
By above-mentioned raw materials according to described number preparation, all add mixing and stirring in reactor.
Embodiment 5
The leather fat of the present embodiment, consists of:
By above-mentioned raw materials according to described number preparation, all add mixing and stirring in reactor.
Embodiment 6
The leather fat of the present embodiment, consists of:
By above-mentioned raw materials according to described number preparation, all add mixing and stirring in reactor.
Experimental example 1
Fatting agent is to complete stuffing effect at normal temperatures, and its fatliquoring function must be consistent or more excellent with fatliquoring function during 50 DEG C of stuffings.Therefore, penetrating power in fibre gap of the performance of its normal temperature emulsification, emulsion intercalation method, grease and speed all become and investigate the index that can normal temperature fatting agent be applicable to actual production.
Six kinds of products of illustrated embodiment 1-6 in this patent are carried out respectively to Performance Detection and the stuffing application of related fields below:
(1) test of fatting agent performance is as table 1:
Table 1
(2) stuffing application
Stuffing technique is as follows: after retanning, wet blue is weighed
Washing: rotate 30min
Neutralization: liquor ratio 2, in and tannin 1%, sodium acetate 1%, sodium bicarbonate 0.5%, rotate 1h, temperature 40 DEG C
Washing: rotate 30min
Stuffing: liquor ratio 2, normal temperature, fatting agent 10%, rotates 1h
Add formic acid: 0.5% (solution of 10% need be made into), rotate 20min
Formic acid: 0.5% (need be made into the solution of 10%), rotates 40min, terminates stuffing
In its stuffing process, the changing conditions of body lotion is as following table 2:
Wherein "+" and "-" represents the whiteness of emulsion, and "-" represents that whiteness is lower, and be close to transparent, "+" is more, illustrates that emulsion is whiter.
By the changing conditions in the detection of the said products performance and stuffing process, can draw: this type of fatting agent can reach the fatliquoring function requirement of general fatting agent, its emulsion normal temperature can well emulsification, and have good stability, acidproof, ionogen is functional.In the process of normal temperature stuffing, contrast with the Trupon EzR fatting agent (50 DEG C of stuffings) of Germany, penetrating power, the absorption bonding properties of this type of fatting agent are all relatively better, can implement normal temperature stuffing, reach the object of energy-saving and emission-reduction.
Although illustrate and describe the present invention with specific embodiment, however it will be appreciated that can to make when not deviating from the spirit and scope of the present invention many other change and amendment.Therefore, this means to comprise all such changes and modifications belonged in the scope of the invention in the following claims.
Claims (10)
1. a fatting agent for normal temperature stuffing, is characterized in that, is made up of the composition of following weight proportion:
Oxidative carburetion: 50-60 part;
Mineral oil: 10-15 part;
Animal oil: 10-15 part;
Tensio-active agent: 15-25 part.
2. the fatting agent of a kind of normal temperature stuffing according to claim 1, is characterized in that, be made up of the composition of following weight proportion:
Oxidative carburetion: 52-58 part;
Mineral oil: 11-14 part;
Animal oil: 12-14 part;
Tensio-active agent: 18-23 part.
3. the fatting agent of a kind of normal temperature stuffing according to claim 1, is characterized in that, be made up of the composition of following weight proportion:
Oxidative carburetion: 54-56 part;
Mineral oil: 12-13 part;
Animal oil: 13-14 part;
Tensio-active agent: 20-21 part.
4. the fatting agent of a kind of normal temperature stuffing according to any one of claim 1-3, is characterized in that,
Described oxidative carburetion is: any one or multiple combination in oxidate and sulfite fish oil, oxidated and sulfited rape oil, oxidate and sulfite lard, oxidate and sulfite Viscotrol C.
5. the fatting agent of a kind of normal temperature stuffing according to claim 4, is characterized in that,
Described oxidative carburetion is oxidate and sulfite fish oil or oxidated and sulfited rape oil, or the combination of the two.
6. the fatting agent of a kind of normal temperature stuffing according to any one of claim 1-3, is characterized in that,
Described mineral oil is one or more the combination in No. 5 industrial white oils, No. 10 industrial white oils or No. 15 industrial white oils.
7. the fatting agent of a kind of normal temperature stuffing according to claim 6, is characterized in that,
Described mineral oil is No. 5 industrial white oils.
8. the fatting agent of a kind of normal temperature stuffing according to any one of claim 1-3, is characterized in that,
Described animal oil to be neat's foot oil or congealing point the be lard of 5 DEG C.
9. the fatting agent of a kind of normal temperature stuffing according to claim 8, is characterized in that,
Described animal oil is neat's foot oil.
10. the fatting agent of a kind of normal temperature stuffing according to any one of claim 1-3, is characterized in that,
Described tensio-active agent is the mixture of Fatty acid methyl ester sodium sulfonate and sodium lauryl sulphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410631307.1A CN104313206A (en) | 2014-11-10 | 2014-11-10 | Fatting agent for normal-temperature fatting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410631307.1A CN104313206A (en) | 2014-11-10 | 2014-11-10 | Fatting agent for normal-temperature fatting |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411049A (en) * | 2018-04-10 | 2018-08-17 | 中国皮革和制鞋工业研究院（晋江）有限公司 | Negative oxygen ion filler and preparation method thereof |
| CN108660266A (en) * | 2018-05-30 | 2018-10-16 | 嘉兴学院 | Fur fatting agent and preparation method thereof |
| CN109762952A (en) * | 2019-03-13 | 2019-05-17 | 上海金狮化工有限公司 | Tear-proof fatting agent and preparation method thereof |
| CN116287488A (en) * | 2023-03-20 | 2023-06-23 | 浙江理工大学 | Method for protecting soft-back of cracked hard leather cultural relics |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060113A (en) * | 1990-09-20 | 1992-04-08 | 湖南化工研究院 | Leather fat |
| CN101153346A (en) * | 2006-09-28 | 2008-04-02 | 李慧 | Sulfating cabbage oil fatting agent |
| CN101285107A (en) * | 2008-04-07 | 2008-10-15 | 温州大学 | Composite sulfited vegetable oil leather fat-liquoring agent and method for preparing same |
| CN102492789A (en) * | 2011-12-08 | 2012-06-13 | 北京泛博化学股份有限公司 | Leather care agent as well as preparation method and preparation device thereof |
| CN102839239A (en) * | 2012-09-28 | 2012-12-26 | 郑州科信化工有限公司 | Leather fatliquoring agent |
| CN102851412A (en) * | 2012-09-28 | 2013-01-02 | 郑州科信化工有限公司 | Leather fatting agent |
| 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 |
-
2014
- 2014-11-10 CN CN201410631307.1A patent/CN104313206A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060113A (en) * | 1990-09-20 | 1992-04-08 | 湖南化工研究院 | Leather fat |
| CN101153346A (en) * | 2006-09-28 | 2008-04-02 | 李慧 | Sulfating cabbage oil fatting agent |
| CN101285107A (en) * | 2008-04-07 | 2008-10-15 | 温州大学 | Composite sulfited vegetable oil leather fat-liquoring agent and method for preparing same |
| CN102492789A (en) * | 2011-12-08 | 2012-06-13 | 北京泛博化学股份有限公司 | Leather care agent as well as preparation method and preparation device thereof |
| CN102839239A (en) * | 2012-09-28 | 2012-12-26 | 郑州科信化工有限公司 | Leather fatliquoring agent |
| CN102851412A (en) * | 2012-09-28 | 2013-01-02 | 郑州科信化工有限公司 | Leather fatting agent |
| 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 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411049A (en) * | 2018-04-10 | 2018-08-17 | 中国皮革和制鞋工业研究院（晋江）有限公司 | Negative oxygen ion filler and preparation method thereof |
| CN108411049B (en) * | 2018-04-10 | 2020-10-09 | 中国皮革和制鞋工业研究院（晋江）有限公司 | Negative oxygen ion filler and preparation method thereof |
| CN108660266A (en) * | 2018-05-30 | 2018-10-16 | 嘉兴学院 | Fur fatting agent and preparation method thereof |
| CN108660266B (en) * | 2018-05-30 | 2020-11-17 | 嘉兴学院 | Mink fat-liquoring agent and preparation method thereof |
| CN109762952A (en) * | 2019-03-13 | 2019-05-17 | 上海金狮化工有限公司 | Tear-proof fatting agent and preparation method thereof |
| CN109762952B (en) * | 2019-03-13 | 2021-07-13 | 上海金狮化工有限公司 | Anti-tearing fatting agent and preparation method thereof |
| CN116287488A (en) * | 2023-03-20 | 2023-06-23 | 浙江理工大学 | Method for protecting soft-back of cracked hard leather cultural relics |
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Application publication date: 20150128 |