CN106282443A - A kind of preparation method of phosphate fat-liquoring agent - Google Patents
A kind of preparation method of phosphate fat-liquoring agent Download PDFInfo
- Publication number
- CN106282443A CN106282443A CN201610688686.7A CN201610688686A CN106282443A CN 106282443 A CN106282443 A CN 106282443A CN 201610688686 A CN201610688686 A CN 201610688686A CN 106282443 A CN106282443 A CN 106282443A
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- agent
- preparation
- adds
- leather
- phospholipid
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229910019142 PO4 Inorganic materials 0.000 title claims abstract description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims abstract description 9
- 239000010452 phosphate Substances 0.000 title claims abstract description 9
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 claims abstract description 9
- 239000008347 soybean phospholipid Substances 0.000 claims abstract description 9
- 150000001298 alcohols Chemical class 0.000 claims abstract description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 39
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- 230000009969 flowable effect Effects 0.000 claims description 14
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 12
- 229920005862 polyol Polymers 0.000 claims description 12
- -1 polyol Compounds Chemical class 0.000 claims description 12
- 150000007530 organic bases Chemical class 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- ZEMPKEQAKRGZGQ-AAKVHIHISA-N 2,3-bis[[(z)-12-hydroxyoctadec-9-enoyl]oxy]propyl (z)-12-hydroxyoctadec-9-enoate Chemical compound CCCCCCC(O)C\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CC(O)CCCCCC)COC(=O)CCCCCCC\C=C/CC(O)CCCCCC ZEMPKEQAKRGZGQ-AAKVHIHISA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 238000004090 dissolution Methods 0.000 claims description 7
- 239000000413 hydrolysate Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000000376 reactant Substances 0.000 claims description 6
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000010985 leather Substances 0.000 abstract description 18
- 150000003904 phospholipids Chemical class 0.000 abstract description 7
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000835 fiber Substances 0.000 abstract description 6
- 235000014593 oils and fats Nutrition 0.000 abstract description 5
- 230000004913 activation Effects 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 235000010469 Glycine max Nutrition 0.000 abstract description 2
- 244000068988 Glycine max Species 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 7
- 239000003513 alkali Substances 0.000 description 5
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000003925 fat Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000026731 phosphorylation Effects 0.000 description 1
- 238000006366 phosphorylation reaction Methods 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/09—Esters of phosphoric acids
- C07F9/10—Phosphatides, e.g. lecithin
- C07F9/103—Extraction or purification by physical or chemical treatment of natural phosphatides; Preparation of compositions containing phosphatides of unknown structure
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The invention discloses the preparation method of a kind of phosphate fat-liquoring agent, the phospholipid oils and fats of present invention activation compounds natural soybean phospholipid, wherein uses P2O5The phospholipid of activation can combine with the active group on leather fiber, phospholipid of natural soybean is the most mainly filled between leather fiber, under the conditions of the hydrotropy of organic alcohols solvent, obtain that emulsifiability is good, store stable phosphide class fatting agent, this fatting agent can give the pliability that leather is good, makes leather have the sliding feel of silk and obvious filling effect.
Description
Technical field
The invention belongs to leather phosphide class fatting agent, relate to a kind of leather fatting agent and preparation method thereof.
Background technology
Stuffing during leather produces is to process leather under certain process conditions with fatting agent, makes leather absorb a certain amount of
Oils and fats and give the process that leather has preferable physical and mechanical properties and serviceability.By chemically and physically acting on, add
Fat can make to be full of oils and fats or or fiber surface keyed jointing substantial amounts of " oiliness " molecule, the increasing with lubrication between leather fiber
Add interfibrous mutual mobility, thus prevent leather from hardening, jackknifing, and make leather have corresponding elasticity, toughness, extension
Property and flexibility.
Fatting agent can be divided into anionic, cationic, nonionic and amphoteric；Can be divided into by the function of fatting agent
Impregnating and Fatliquoring Agent, the fatting agent of resistance to light type, flame retardant type fatting agent, retanned fatting agent etc.；Can be divided into by the difference of neutral oil and planting
Thing oils and fats fatting agent, animal oil fatting agent, mineral grease fatting agent, synthetic fat liquor, fat liquoring complex agent etc.；By hydrophilic group
Difference can be divided into sulphation fatting agent, sulfiting fatting agent, phosphorylation fatting agent etc..Different fatting agents, its function has
Different stresses.Traditional phosphide class fatting agent emulsifiability is the best, and bin stability is poor, and needs assist at other fatting agents
Under the conditions of use.The complex class phospholipid fatting agent that the present invention relates to, it is possible to be used alone, automatic emulsifying performance is good, and storage is stable,
In addition to giving the stuffing effect that leather is soft, also there is good fillibility and the feel of silk cunning.
Summary of the invention
For the problems referred to above, the invention provides the preparation method of a kind of phosphate fat-liquoring agent.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: the preparation side of a kind of phosphate fat-liquoring agent
Method:
The first step: by 50-70kg Oleum Ricini and 30-50kg neat's foot oil, put in the reactor cleaned up, add five oxygen
Change two phosphorus 12-15kg, be stirred, carry out temperature reaction 30-50min, be warmed up to 72-75 DEG C, be incubated 1.5-2h, reacted
Thing a；
Second step: add 60 DEG C of water 5kg in a, cool to 65-70 DEG C, hydrolysis 1.5h obtains hydrolysate b；
3rd step: potassium hydroxide 15-25kg, after 97kg water dissolution, adds in b, in red after stirring at less than 60 DEG C
Brown liquid, while hot discharging, be light yellow paste flowable thing c after cooling；
4th step: take the c of 70%-85%, adds 8%-15% soybean phospholipid and the hydrophilic alcohols of short chain of 11%-13%
Compound, by the organic base regulation solution ph of 0.6%-2% to 7.5-8.0, obtains the flowable products d of mixed phosphatide；
5th step: with the working substance content of water adjustment d to 60-70%, obtain phosphide class fatting agent.
Further, the one during described organic base is monoethanolamine, diethanolamine and triethanolamine or mixture.
Further, described short chain hydrophilic polyol compounds is the one in ethylene glycol or diethylene glycol.
From the above-mentioned description to present configuration, compared to the prior art, present invention have the advantage that the present invention
Disclosing the preparation method of a kind of phosphate fat-liquoring agent, the phospholipid oils and fats of present invention activation compounds natural soybean phospholipid,
Wherein use P2O5The phospholipid of activation can combine with the active group on leather fiber, and phospholipid of natural soybean is then mainly filled
Between leather fiber, under the conditions of the hydrotropy of organic alcohols solvent, it is thus achieved that emulsifiability is good, store stable phosphide class
Fatting agent, this fatting agent can give the pliability that leather is good, makes leather have the sliding feel of silk and obvious filling effect.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, present invention below is carried out the most in detail
Describe in detail bright.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
The first step: by 50kg Oleum Ricini and 30kg neat's foot oil, puts in the reactor cleaned up, adds phosphorus pentoxide
12kg, is stirred, and carries out temperature reaction 30min, is warmed up to 72 DEG C, is incubated 1.5h, obtains reactant a.
Second step: add 60 DEG C of water 5kg in a, cool to 65 DEG C, hydrolyze 1.5 hours, obtain hydrolysate b.
3rd step: potassium hydroxide 15kg, after 97kg water dissolution, adds in b, in rufous after stirring under less than 60 degree
Liquid, while hot discharging, be light yellow paste flowable thing c after cooling.
4th step: take the c of 70%, adds the short chain hydrophilic polyol compounds of 15% soybean phospholipid and 13%, with 2% have
Machine alkali regulation solution ph, to 7.5, obtains the flowable products d of mixed phosphatide.
5th step: with the working substance content of water adjustment d to 60%, obtain phosphide class fatting agent.
Organic base used is monoethanolamine, and short chain hydrophilic polyol compounds used is ethylene glycol.
Embodiment 2
The first step: by 60kg Oleum Ricini and 50kg neat's foot oil, puts in the reactor cleaned up, adds phosphorus pentoxide
13kg, is stirred, and carries out temperature reaction 40min, is warmed up to 75 DEG C, is incubated 2h, obtains reactant a.
Second step: add 60 DEG C of water 5kg in a, cool to 65 DEG C, hydrolysis 1.5h obtains hydrolysate b.
3rd step: potassium hydroxide 20kg, after 97kg water dissolution, adds in b, in rufous after stirring at less than 60 DEG C
Liquid, while hot discharging, be light yellow paste flowable thing c after cooling.
4th step: take the c of 73%, adds the short chain hydrophilic polyol compounds of 15% soybean phospholipid and 11%, with 1% have
Machine alkali regulation solution ph, to 7.5-8.0, obtains the flowable products d of mixed phosphatide.
5th step: with the working substance content of water adjustment d to 65%, obtain phosphide class fatting agent.Organic base used is two
Ethanolamine, short chain hydrophilic polyol compounds used is diethylene glycol.
Embodiment 3
The first step: by 65kg Oleum Ricini and 45kg neat's foot oil, puts in the reactor cleaned up, adds phosphorus pentoxide
13kg, is stirred, and carries out temperature reaction 50min, is warmed up to 75 DEG C, is incubated 2h, obtains reactant a.
Second step: add 60 DEG C of water 5kg in a, cool to 70 DEG C, hydrolyze 1.5h, obtain hydrolysate b.
3rd step: potassium hydroxide 22kg, after 97kg water dissolution, adds in b, in rufous after stirring at less than 60 DEG C
Liquid, while hot discharging, be light yellow paste flowable thing c after cooling.
4th step: take the c of 78%, adds the short chain hydrophilic polyol compounds of 8% soybean phospholipid and 12%, with 2% have
Machine alkali regulation solution ph, to 8.0, obtains the flowable products d of mixed phosphatide.
5th step: with the working substance content of water adjustment d to 62%, obtain phosphide class fatting agent.Organic base used is three
Ethanolamine, short chain hydrophilic polyol compounds used is diethylene glycol.
Embodiment 4
The first step: by 68kg Oleum Ricini and 47kg neat's foot oil, puts in the reactor cleaned up, adds phosphorus pentoxide
15kg, is stirred, and carries out temperature reaction 50min, is warmed up to 75 DEG C, is incubated 2h, obtains reactant a.
Second step: add 60 DEG C of water 5kg in a, cool to 70 DEG C, hydrolyze 1.5h, obtain hydrolysate b.
3rd step: potassium hydroxide 23kg, after 97kg water dissolution, adds in b, in rufous after stirring at less than 60 DEG C
Liquid, while hot discharging, be light yellow paste flowable thing c after cooling.
4th step: take the c of 80%, adds the short chain hydrophilic polyol compounds of 8% soybean phospholipid and 11%, with 1% have
Machine alkali regulation solution ph, to 8.0, obtains the flowable products d of mixed phosphatide.
5th step: with the working substance content of water adjustment d to 68%, obtain phosphide class fatting agent.Organic base used is one
Ethanolamine, short chain hydrophilic polyol compounds used is ethylene glycol.
Embodiment 5
The first step: by 70kg Oleum Ricini and 50kg neat's foot oil, puts in the reactor cleaned up, adds phosphorus pentoxide
12kg, is stirred, and carries out temperature reaction 30min, is warmed up to 72 DEG C, is incubated 1.5h, obtains reactant a.
Second step: add 60 DEG C of water 5kg in a, cool to 65 DEG C, hydrolyze 1.5h, obtain hydrolysate b.
3rd step: potassium hydroxide 15kg, after 97kg water dissolution, adds in b, in rufous after stirring at less than 60 DEG C
Liquid, while hot discharging, be light yellow paste flowable thing c after cooling.
4th step: take the c of 76%, adds the short chain hydrophilic polyol compounds of 10% soybean phospholipid and 12%, 2% organic
Alkali regulation solution ph, to 7.5-8., obtains the flowable products d of mixed phosphatide.
5th step: with the working substance content of water adjustment d to 70%, obtain phosphide class fatting agent.Organic base used is three
Ethanolamine, short chain hydrophilic polyol compounds used is ethylene glycol.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (3)
1. a preparation method for phosphate fat-liquoring agent, its feature is as follows:
The first step: by 50-70kg Oleum Ricini and 30-50kg neat's foot oil, puts in the reactor cleaned up, and adds five oxidations two
Phosphorus 12-15kg, is stirred, and carries out temperature reaction 30-50min, is warmed up to 72-75 DEG C, is incubated 1.5-2h, obtains reactant a；
Second step: add 60 DEG C of water 5kg in a, cool to 65-70 DEG C, hydrolysis 1.5h obtains hydrolysate b；
3rd step: potassium hydroxide 15-25kg, after 97kg water dissolution, adds in b, in rufous after stirring at less than 60 DEG C
Liquid, while hot discharging, be light yellow paste flowable thing c after cooling；
4th step: take the c of 70%-85%, adds 8%-15% soybean phospholipid and the short chain hydrophilic alcohols chemical combination of 11%-13%
Thing, by the organic base regulation solution ph of 0.6%-2% to 7.5-8.0, obtains the flowable products d of mixed phosphatide；
5th step: with the working substance content of water adjustment d to 60-70%, obtain phosphide class fatting agent.
The preparation method of a kind of phosphate fat-liquoring agent the most according to claim 1, it is characterised in that: described organic base is one
One in ethanolamine, diethanolamine and triethanolamine or mixture.
The preparation method of a kind of phosphate fat-liquoring agent the most according to claim 1, it is characterised in that: described short chain hydrophilic polyol
Compounds is the one in ethylene glycol or diethylene glycol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688686.7A CN106282443B (en) | 2016-08-18 | 2016-08-18 | A kind of preparation method of phosphate fat-liquoring agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610688686.7A CN106282443B (en) | 2016-08-18 | 2016-08-18 | A kind of preparation method of phosphate fat-liquoring agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106282443A true CN106282443A (en) | 2017-01-04 |
| CN106282443B CN106282443B (en) | 2018-07-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610688686.7A Active CN106282443B (en) | 2016-08-18 | 2016-08-18 | A kind of preparation method of phosphate fat-liquoring agent |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5391784A (en) * | 1987-05-22 | 1995-02-21 | Chemische Fabrik Stockhausen Gmbh | Liquid or flowable derivatives of natural fats and oils a process for their production and their use |
| US5525333A (en) * | 1992-05-11 | 1996-06-11 | Solvay Deutschland Gmbh | Lactobionic acid amide compositions and their use |
| CN1382808A (en) * | 2001-04-24 | 2002-12-04 | 中国科学院成都有机化学研究所 | Process for preparing greasing agent |
| CN1865454A (en) * | 2006-04-30 | 2006-11-22 | 温州大学 | Composite phosphate grease-adding agent for leather and its preparation method |
| CN104060003A (en) * | 2014-07-10 | 2014-09-24 | 北京泛博科技有限责任公司 | Fatting agent and preparation method thereof |
| CN105648125A (en) * | 2016-03-25 | 2016-06-08 | 陕西科技大学 | Preparation method of polyhydroxyl-modified soybean phosphatide fatliquoring agent |
-
2016
- 2016-08-18 CN CN201610688686.7A patent/CN106282443B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5391784A (en) * | 1987-05-22 | 1995-02-21 | Chemische Fabrik Stockhausen Gmbh | Liquid or flowable derivatives of natural fats and oils a process for their production and their use |
| US5525333A (en) * | 1992-05-11 | 1996-06-11 | Solvay Deutschland Gmbh | Lactobionic acid amide compositions and their use |
| CN1382808A (en) * | 2001-04-24 | 2002-12-04 | 中国科学院成都有机化学研究所 | Process for preparing greasing agent |
| CN1865454A (en) * | 2006-04-30 | 2006-11-22 | 温州大学 | Composite phosphate grease-adding agent for leather and its preparation method |
| CN104060003A (en) * | 2014-07-10 | 2014-09-24 | 北京泛博科技有限责任公司 | Fatting agent and preparation method thereof |
| CN105648125A (en) * | 2016-03-25 | 2016-06-08 | 陕西科技大学 | Preparation method of polyhydroxyl-modified soybean phosphatide fatliquoring agent |
Non-Patent Citations (1)
| Title |
|---|
| 马建中: "《皮革化学品的合成原理与应用技术》", 31 August 2009 * |
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| CN106282443B (en) | 2018-07-13 |
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