CN103642952A - Method for preparing dendritic-linear polymer fatting agent - Google Patents
Method for preparing dendritic-linear polymer fatting agent Download PDFInfo
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- CN103642952A CN103642952A CN201310619008.1A CN201310619008A CN103642952A CN 103642952 A CN103642952 A CN 103642952A CN 201310619008 A CN201310619008 A CN 201310619008A CN 103642952 A CN103642952 A CN 103642952A
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- linear polymer
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- anhydrous methanol
- fatting agent
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- DEHHBSYIJYUEAY-ONGXEEELSA-N CCCC[N-](CC[C@@H]1O[C@@H]1O)CCC(O)=O Chemical compound CCCC[N-](CC[C@@H]1O[C@@H]1O)CCC(O)=O DEHHBSYIJYUEAY-ONGXEEELSA-N 0.000 description 1
Abstract
The invention provides a method for preparing a dendritic-linear polymer fatting agent. The method comprises the following steps: firstly, preparing a carboxyl-terminated dendritic molecule; secondly, performing a modified grafting reaction on the carboxyl-terminated dendritic molecule by utilizing 1,2-epoxyoctadecane to obtain a non-ionic dendritic-linear polymer; finally, compounding the non-ionic dendritic-linear polymer and hoof oil to obtain a non-ionic dendritic-linear polymer fatting agent; furthermore, dissolving the non-ionic dendritic-linear polymer fatting agent in water to obtain a solution, adding NaOH into the solution to react to obtain an anionic dendritic-linear polymer, and compounding the anionic dendritic-linear polymer and natural neats-foot oil to obtain an anionic dendritic-linear polymer fatting agent. According to the dendritic-linear polymer fatting agent prepared by adopting the preparation method, multiterminal hydrophilic functional groups of the fatting agent chemically react with active sits on macromolecular chains of collagenous fibers, and the firming degree of combination of the fatting agent and leather can be strengthened.
Description
[technical field]
The invention belongs to Chemicals field, be specifically related to a kind of preparation of dendroid-linear polymer fatting agent.
[background technology]
Fatting agent is one of Leather Chemicals of consumption maximum in leather processing, and its main effective constituent is actives, neutral oil.Actives component mostly is surfactant-based material, has the amphipathic structure of oleophylic-hydrophilic radical.Hydrophilic radical helps it to penetrate in the space between leather collagen fiber, oil loving long alkyl chain structure weakens and has covered the interactions such as hydrogen bond between polar group on collegen filament, thereby the distance that has supportted large between fiber molecule chain spacing and collegen filament, makes leather have good kindliness.Improving stuffing efficiency is one of difficult point of leather cleaning production technique, the large usage quantity of tradition fatting agent when leather greasing is processed, but only have 70% to be absorbed by leather, and all the other 30% residue in and in waste liquid, cause waste contaminate environment.Traditional fatting agent is the linear structure of hydrophilic one end, one end oleophylic, because active group is less, can not with leather mortise, leather goods in use easily cause fatting agent to run off and degradation.
[summary of the invention]
The object of the invention is to overcome deficiency of the prior art, a kind of preparation method of dendroid-linear polymer fatting agent is provided, dendroid-linear polymer the fatting agent that adopts this preparation method to prepare, active site generation chemical action on the hydrophilic functional groups of its multiterminal and collegen filament macromolecular chain, has strengthened the firm degree of combination of itself and leather.
For achieving the above object, the present invention adopts following technical scheme:
A preparation method for dendroid-linear polymer fatting agent, comprises the following steps:
1) quadrol and vinylformic acid formicester are dissolved in anhydrous methanol, at 20～40 ℃, after stirring reaction 20～24h, remove anhydrous methanol, the layer structure that obtained for half generation is COOCH
3pAMAM dendrimer, then that PAMAM dendrimer is soluble in water, regulating pH value is 2.0～3.0, after water at normal temperature solution 24～30h, except anhydrating, obtain holding carboxyl dendrimer, the mol ratio of the quadrol wherein, adding and vinylformic acid formicester is 1:(4～8);
2) end carboxyl dendrimer is dissolved in anhydrous methanol, then add 1,2-epoxy octadecane, under nitrogen protection, in 90～110 ℃ of reaction 6～8h, obtain reaction solution, remove anhydrous methanol and unreacted material in reaction solution, obtain non-ionic type dendroid-linear polymer, wherein, 1,2-epoxy octadecane is (1～3) with the mol ratio of end carboxyl dendrimer: 1;
3) by non-ionic type dendroid-linear polymer and natural neat's foot oil, be (19～25) in mass ratio: 1 carries out compositely, obtains non-ionic type dendroid-linear polymer fatting agent.
The present invention further improves and is, in step 1), the mass ratio of anhydrous methanol and quadrol is (3～7): 1, and finally adopt Rotary Evaporators to remove anhydrous methanol.
The present invention further improves and is, step 2) in, removing anhydrous methanol in reaction solution and unreacted material adopts with the following method and carries out: first adopt Rotary Evaporators to remove the anhydrous methanol in reaction solution, obtain reaction product, then use washing with alcohol reaction product to remove unreacted material, obtain non-ionic type dendroid-linear polymer.
The present invention further improves and is, the mass ratio of end carboxyl dendrimer and anhydrous methanol is 1:(2～4).
A preparation method for dendroid-linear polymer fatting agent, comprises the following steps:
1) quadrol and vinylformic acid formicester are dissolved in anhydrous methanol, at 20～40 ℃, after stirring reaction 20～24h, remove anhydrous methanol, the layer structure that obtained for half generation is COOCH
3pAMAM dendrimer, then that PAMAM dendrimer is soluble in water, regulating pH value is 2.0～3.0, after water at normal temperature solution 24～30h, except anhydrating, obtain holding carboxyl dendrimer, the mol ratio of the quadrol wherein, adding and vinylformic acid formicester is 1:(4～8);
2) end carboxyl dendrimer is dissolved in anhydrous methanol, then add 1,2-epoxy octadecane, under nitrogen protection, in 90～110 ℃ of reaction 6～8h, obtain reaction solution A, remove anhydrous methanol and unreacted material in reaction solution A, obtain non-ionic type dendroid-linear polymer, wherein, 1,2-epoxy octadecane is (1～3) with the mol ratio of end carboxyl dendrimer: 1;
3) by non-ionic type dendroid-linear polymer solution that obtains soluble in water, under nitrogen protection, in solution, add NaOH, under room temperature, stir 20～25h, obtain reaction solution B, remove solvent and the unreacted material of reaction solution B, obtain anionic dendroid-linear polymer, wherein, the mol ratio of the non-ionic type dendroid-linear polymer in solution and NaOH is 1:(1～3);
4) by anionic dendroid-linear polymer and natural neat's foot oil, be (19～25) in mass ratio: 1 carries out compositely, obtains anionic dendroid-linear polymer fatting agent.
The present invention further improves and is, in step 1), the mass ratio of anhydrous methanol and quadrol is (3～7): 1, and finally adopt Rotary Evaporators to remove anhydrous methanol.
The present invention further improves and is, step 2) in, removing anhydrous methanol in reaction solution A and unreacted material adopts with the following method and carries out: first adopt Rotary Evaporators to remove the anhydrous methanol in reaction solution A, obtain reaction product, then use washing with alcohol reaction product to remove unreacted material, obtain non-ionic type dendroid-linear polymer.
The present invention further improves and is, step 2) in, the mass ratio of end carboxyl dendrimer and anhydrous methanol is 1:(2～4).
The present invention further improves and is, in step 3), removing the solvent of reaction solution B and unreacted material adopts with the following method and carries out: will after reaction solution B underpressure distillation, with ether washing, remove unreacted material, finally vacuum-drying 48～50h at 22～25 ℃.
With respect to prior art, the present invention has following technique effect:
The present invention adopts the dendrimer of " dispersing method " synthetic end carboxyl, then on its end group, introduces hydrophobic long alkyl chain, prepares dendroid-linear polymer fatting agent of a kind of non-ionic type and anionic.Fatting agent prepared by the present invention is compared with other fatting agent, and its solvability is high, and stuffing is respond well, and in molecule, the hydrophilic characteristic of multiterminal can make the active site generation chemical action on itself and leather fiber macromolecular chain, and bonding strength is high.Adopt respectively the tensile strength of the wet blue leather of non-ionic type dendroid-linear polymer and the independent stuffing of anionic dendroid-linear polymer to be respectively 101N/mm
2, 104.4N/mm
2, bursting strength, for difference 23.1N/mm, 24.9N/mm, can find out that the pliability of the wet blue leather of the independent stuffing of anionic dendroid-linear polymer is slightly better than the independent stuffing of non-ionic type dendroid-linear polymer, the wet blue leather color adding after ester is all better.
[embodiment]
With specific embodiment, the invention will be further described below.
Embodiment 1:
1) quadrol and vinylformic acid formicester are dissolved in anhydrous methanol, at 30 ℃, after stirring reaction 24h, at 50 ℃, adopt Rotary Evaporators to remove anhydrous methanol, the layer structure that obtained for half generation is COOCH
3pAMAM dendrimer, then that PAMAM dendrimer is soluble in water, regulating pH value is 2.0, after water at normal temperature solution 24h, except anhydrating, obtain holding carboxyl dendrimer, wherein, the mol ratio of the quadrol adding and vinylformic acid formicester is 1:8, and the mass ratio of anhydrous methanol and quadrol is 3:1;
2) end carboxyl dendrimer is dissolved in anhydrous methanol, then add 1,2-epoxy octadecane, under nitrogen protection, in 100 ℃, react 8h, obtain reaction solution, then at 70 ℃, adopt Rotary Evaporators to remove the anhydrous methanol in reaction solution, obtain reaction product, then use washing with alcohol reaction product to remove unreacted material, obtain non-ionic type dendroid-linear polymer, wherein, 1,2-epoxy octadecane is 1:1 with the mol ratio of end carboxyl dendrimer, and the mass ratio of end carboxyl dendrimer and anhydrous methanol is 1:2;
3) by non-ionic type dendroid-linear polymer and natural neat's foot oil in mass ratio for 19:1 carries out compositely, obtain non-ionic type dendroid-linear polymer fatting agent.
Embodiment 2:
1) quadrol and vinylformic acid formicester are dissolved in anhydrous methanol, at 20 ℃, after stirring reaction 24h, at 60 ℃, adopt Rotary Evaporators to remove anhydrous methanol, the layer structure that obtained for half generation is COOCH
3pAMAM dendrimer, then that PAMAM dendrimer is soluble in water, regulating pH value is 3.0, after water at normal temperature solution 30h, except anhydrating, obtain holding carboxyl dendrimer, wherein, the mol ratio of the quadrol adding and vinylformic acid formicester is 1:4, and the mass ratio of anhydrous methanol and quadrol is 5:1;
2) end carboxyl dendrimer is dissolved in anhydrous methanol, then add 1,2-epoxy octadecane, under nitrogen protection, in 90 ℃, react 8h, obtain reaction solution, then at 60 ℃, adopt Rotary Evaporators to remove the anhydrous methanol in reaction solution, obtain reaction product, then use washing with alcohol reaction product to remove unreacted material, obtain non-ionic type dendroid-linear polymer, wherein, 1,2-epoxy octadecane is 2:1 with the mol ratio of end carboxyl dendrimer, and the mass ratio of end carboxyl dendrimer and anhydrous methanol is 1:3;
3) by non-ionic type dendroid-linear polymer and natural neat's foot oil in mass ratio for 22:1 carries out compositely, obtain non-ionic type dendroid-linear polymer fatting agent.
Embodiment 3:
1) quadrol and vinylformic acid formicester are dissolved in anhydrous methanol, at 40 ℃, after stirring reaction 2h, at 55 ℃, adopt Rotary Evaporators to remove anhydrous methanol, the layer structure that obtained for half generation is COOCH
3pAMAM dendrimer, then that PAMAM dendrimer is soluble in water, regulating pH value is 2.5, after water at normal temperature solution 27h, except anhydrating, obtain holding carboxyl dendrimer, wherein, the mol ratio of the quadrol adding and vinylformic acid formicester is 1:6, and the mass ratio of anhydrous methanol and quadrol is 7:1;
2) end carboxyl dendrimer is dissolved in anhydrous methanol, then add 1,2-epoxy octadecane, under nitrogen protection, in 110 ℃, react 6h, obtain reaction solution, then at 65 ℃, adopt Rotary Evaporators to remove the anhydrous methanol in reaction solution, obtain reaction product, then use washing with alcohol reaction product to remove unreacted material, obtain non-ionic type dendroid-linear polymer, wherein, 1,2-epoxy octadecane is 3:1 with the mol ratio of end carboxyl dendrimer, and the mass ratio of end carboxyl dendrimer and anhydrous methanol is 1:4;
3) by non-ionic type dendroid-linear polymer and natural neat's foot oil in mass ratio for 25:1 carries out compositely, obtain non-ionic type dendroid-linear polymer fatting agent.
Embodiment 4:
1) quadrol and vinylformic acid formicester are dissolved in anhydrous methanol, at 30 ℃, after stirring reaction 24h, at 50 ℃, adopt Rotary Evaporators to remove anhydrous methanol, the layer structure that obtained for half generation is COOCH
3pAMAM dendrimer, then that PAMAM dendrimer is soluble in water, regulating pH value is 2.0, after water at normal temperature solution 24h, except anhydrating, obtain holding carboxyl dendrimer, wherein, the mol ratio of the quadrol adding and vinylformic acid formicester is 1:8, and the mass ratio of anhydrous methanol and quadrol is 3:1;
2) end carboxyl dendrimer is dissolved in anhydrous methanol, then add 1,2-epoxy octadecane, under nitrogen protection, in 100 ℃, react 8h, obtain reaction solution A, then at 70 ℃, adopt Rotary Evaporators to remove the anhydrous methanol in reaction solution A, obtain reaction product, then use washing with alcohol reaction product to remove unreacted material, obtain non-ionic type dendroid-linear polymer, wherein, 1,2-epoxy octadecane is 1:1 with the mol ratio of end carboxyl dendrimer, and the mass ratio of end carboxyl dendrimer and anhydrous methanol is 1:2;
3) by non-ionic type dendroid-linear polymer solution that obtains soluble in water, under nitrogen protection, in solution, add NaOH, under room temperature, stir 20h, obtain reaction solution B, will after reaction solution B underpressure distillation, with ether washing, remove unreacted material, last vacuum-drying 50h at 22 ℃, obtain anionic dendroid-linear polymer, wherein, the non-ionic type dendroid-linear polymer in solution and the mol ratio of NaOH are 1:1;
4) by anionic dendroid-linear polymer and natural neat's foot oil in mass ratio for 19:1 carries out compositely, obtain anionic dendroid-linear polymer fatting agent.
Embodiment 5:
1) quadrol and vinylformic acid formicester are dissolved in anhydrous methanol, at 20 ℃, after stirring reaction 24h, at 60 ℃, adopt Rotary Evaporators to remove anhydrous methanol, the layer structure that obtained for half generation is COOCH
3pAMAM dendrimer, then that PAMAM dendrimer is soluble in water, regulating pH value is 3.0, after water at normal temperature solution 30h, except anhydrating, obtain holding carboxyl dendrimer, wherein, the mol ratio of the quadrol adding and vinylformic acid formicester is 1:4, and the mass ratio of anhydrous methanol and quadrol is 5:1;
2) end carboxyl dendrimer is dissolved in anhydrous methanol, then add 1,2-epoxy octadecane, under nitrogen protection, in 90 ℃, react 8h, obtain reaction solution A, then at 60 ℃, adopt Rotary Evaporators to remove the anhydrous methanol in reaction solution A, obtain reaction product, then use washing with alcohol reaction product to remove unreacted material, obtain non-ionic type dendroid-linear polymer, wherein, 1,2-epoxy octadecane is 2:1 with the mol ratio of end carboxyl dendrimer, and the mass ratio of end carboxyl dendrimer and anhydrous methanol is 1:3;
3) by non-ionic type dendroid-linear polymer solution that obtains soluble in water, under nitrogen protection, in solution, add NaOH, under room temperature, stir 23h, obtain reaction solution B, will after reaction solution B underpressure distillation, with ether washing, remove unreacted material, last vacuum-drying 49h at 23 ℃, obtain anionic dendroid-linear polymer, wherein, the non-ionic type dendroid-linear polymer in solution and the mol ratio of NaOH are 1:2;
4) by anionic dendroid-linear polymer and natural neat's foot oil in mass ratio for 22:1 carries out compositely, obtain anionic dendroid-linear polymer fatting agent.
Embodiment 6:
1) quadrol and vinylformic acid formicester are dissolved in anhydrous methanol, at 40 ℃, after stirring reaction 2h, at 55 ℃, adopt Rotary Evaporators to remove anhydrous methanol, the layer structure that obtained for half generation is COOCH
3pAMAM dendrimer, then that PAMAM dendrimer is soluble in water, regulating pH value is 2.5, after water at normal temperature solution 27h, except anhydrating, obtain holding carboxyl dendrimer, wherein, the mol ratio of the quadrol adding and vinylformic acid formicester is 1:6, and the mass ratio of anhydrous methanol and quadrol is 7:1;
2) end carboxyl dendrimer is dissolved in anhydrous methanol, then add 1,2-epoxy octadecane, under nitrogen protection, in 110 ℃, react 6h, obtain reaction solution A, then at 65 ℃, adopt Rotary Evaporators to remove the anhydrous methanol in reaction solution A, obtain reaction product, then use washing with alcohol reaction product to remove unreacted material, obtain non-ionic type dendroid-linear polymer, wherein, 1,2-epoxy octadecane is 3:1 with the mol ratio of end carboxyl dendrimer, and the mass ratio of end carboxyl dendrimer and anhydrous methanol is 1:4;
3) by non-ionic type dendroid-linear polymer solution that obtains soluble in water, under nitrogen protection, in solution, add NaOH, under room temperature, stir 25h, obtain reaction solution B, will after reaction solution B underpressure distillation, with ether washing, remove unreacted material, last vacuum-drying 48h at 25 ℃, obtain anionic dendroid-linear polymer, wherein, the non-ionic type dendroid-linear polymer in solution and the mol ratio of NaOH are 1:3;
4) by anionic dendroid-linear polymer and natural neat's foot oil in mass ratio for 25:1 carries out compositely, obtain anionic dendroid-linear polymer fatting agent.
Reaction schematic diagram in above-described embodiment is as follows:
One, the synthetic route of the dendrimer in half generation
Two, the synthetic route of end carboxyl dendrimer
Three, the preparation of non-ionic type dendroid-linear polymer
1, the number of introducing 1,2-epoxy alkane is 1 o'clock:
2, the number of introducing 1,2-epoxy alkane is 2 o'clock:
3, the number of introducing 1,2-epoxy alkane is 3 o'clock:
Four, the preparation of negatively charged ion dendroid-linear polymer
1, the number of introducing 1,2-epoxy alkane is when to be 3, NaOH be 3:1 with the mol ratio of end carboxyl dendrimer:
2, the number of introducing 1,2-epoxy alkane is when to be 3, NaOH be 2:1 with the mol ratio of end carboxyl dendrimer:
3, the number of introducing 1,2-epoxy alkane is when to be 3, NaOH be 1:1 with the mol ratio of end carboxyl dendrimer:
Above content is in conjunction with concrete preferred implementation further description made for the present invention; can not assert that the specific embodiment of the present invention only limits to this; for general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; can also make some simple deduction or replace, all should be considered as belonging to the present invention and determine scope of patent protection by submitted to claims.
Claims (9)
1. a preparation method for dendroid-linear polymer fatting agent, is characterized in that, comprises the following steps:
1) quadrol and vinylformic acid formicester are dissolved in anhydrous methanol, at 20～40 ℃, after stirring reaction 20～24h, remove anhydrous methanol, the layer structure that obtained for half generation is COOCH
3pAMAM dendrimer, then that PAMAM dendrimer is soluble in water, regulating pH value is 2.0～3.0, after water at normal temperature solution 24～30h, except anhydrating, obtain holding carboxyl dendrimer, the mol ratio of the quadrol wherein, adding and vinylformic acid formicester is 1:(4～8);
2) end carboxyl dendrimer is dissolved in anhydrous methanol, then add 1,2-epoxy octadecane, under nitrogen protection, in 90～110 ℃ of reaction 6～8h, obtain reaction solution, remove anhydrous methanol and unreacted material in reaction solution, obtain non-ionic type dendroid-linear polymer, wherein, 1,2-epoxy octadecane is (1～3) with the mol ratio of end carboxyl dendrimer: 1;
3) by non-ionic type dendroid-linear polymer and natural neat's foot oil, be (19～25) in mass ratio: 1 carries out compositely, obtains non-ionic type dendroid-linear polymer fatting agent.
2. the preparation method of a kind of dendroid-linear polymer fatting agent according to claim 1, is characterized in that, in step 1), the mass ratio of anhydrous methanol and quadrol is (3～7): 1, and finally adopt Rotary Evaporators to remove anhydrous methanol.
3. the preparation method of a kind of dendroid-linear polymer fatting agent according to claim 1, it is characterized in that, step 2) in, removing anhydrous methanol in reaction solution and unreacted material adopts with the following method and carries out: first adopt Rotary Evaporators to remove the anhydrous methanol in reaction solution, obtain reaction product, then use washing with alcohol reaction product to remove unreacted material, obtain non-ionic type dendroid-linear polymer.
4. the preparation method of a kind of dendroid-linear polymer fatting agent according to claim 1, is characterized in that step 2) in, the mass ratio of end carboxyl dendrimer and anhydrous methanol is 1:(2～4).
5. a preparation method for dendroid-linear polymer fatting agent, is characterized in that, comprises the following steps:
1) quadrol and vinylformic acid formicester are dissolved in anhydrous methanol, at 20～40 ℃, after stirring reaction 20～24h, remove anhydrous methanol, the layer structure that obtained for half generation is COOCH
3pAMAM dendrimer, then that PAMAM dendrimer is soluble in water, regulating pH value is 2.0～3.0, after water at normal temperature solution 24～30h, except anhydrating, obtain holding carboxyl dendrimer, the mol ratio of the quadrol wherein, adding and vinylformic acid formicester is 1:(4～8);
2) end carboxyl dendrimer is dissolved in anhydrous methanol, then add 1,2-epoxy octadecane, under nitrogen protection, in 90～110 ℃ of reaction 6～8h, obtain reaction solution A, remove anhydrous methanol and unreacted material in reaction solution A, obtain non-ionic type dendroid-linear polymer, wherein, 1,2-epoxy octadecane is (1～3) with the mol ratio of end carboxyl dendrimer: 1;
3) by non-ionic type dendroid-linear polymer solution that obtains soluble in water, under nitrogen protection, in solution, add NaOH, under room temperature, stir 20～25h, obtain reaction solution B, remove solvent and the unreacted material of reaction solution B, obtain anionic dendroid-linear polymer, wherein, the mol ratio of the non-ionic type dendroid-linear polymer in solution and NaOH is 1:(1～3);
4) by anionic dendroid-linear polymer and natural neat's foot oil, be (19～25) in mass ratio: 1 carries out compositely, obtains anionic dendroid-linear polymer fatting agent.
6. the preparation method of a kind of dendroid-linear polymer fatting agent according to claim 5, is characterized in that, in step 1), the mass ratio of anhydrous methanol and quadrol is (3～7): 1, and finally adopt Rotary Evaporators to remove anhydrous methanol.
7. the preparation method of a kind of dendroid-linear polymer fatting agent according to claim 5, it is characterized in that, step 2) in, removing anhydrous methanol in reaction solution A and unreacted material adopts with the following method and carries out: first adopt Rotary Evaporators to remove the anhydrous methanol in reaction solution A, obtain reaction product, then use washing with alcohol reaction product to remove unreacted material, obtain non-ionic type dendroid-linear polymer.
8. the preparation method of a kind of dendroid-linear polymer fatting agent according to claim 5, is characterized in that step 2) in, the mass ratio of end carboxyl dendrimer and anhydrous methanol is 1:(2～4).
9. the preparation method of a kind of dendroid-linear polymer fatting agent according to claim 5, it is characterized in that, in step 3), removing the solvent of reaction solution B and unreacted material adopts with the following method and carries out: will after reaction solution B underpressure distillation, with ether washing, remove unreacted material, finally vacuum-drying 48～50h at 22～25 ℃.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099433A (en) * | 2014-07-14 | 2014-10-15 | 陕西科技大学 | Preparation method of dendritic-linear polyamide fatliquoring-retanning agent |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1110946A2 (en) * | 1999-12-23 | 2001-06-27 | Basf Aktiengesellschaft | Subunits containing isocyanate groups and their use for functionalising or modifying compounds or surfaces |
| CN101445697A (en) * | 2008-11-26 | 2009-06-03 | 陕西科技大学 | Hyper branched polyurethane leather coating agent and preparation method thereof |
| WO2009109622A1 (en) * | 2008-03-06 | 2009-09-11 | Basf Se | Polyurethane dispersion comprising at least one highly branched polymer |
| CN103060490A (en) * | 2013-01-17 | 2013-04-24 | 陕西科技大学 | Tanning method for tanning sheepskin clothing leather by hyperbranched polymer-aluminum salt tanning agent |
-
2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1110946A2 (en) * | 1999-12-23 | 2001-06-27 | Basf Aktiengesellschaft | Subunits containing isocyanate groups and their use for functionalising or modifying compounds or surfaces |
| WO2009109622A1 (en) * | 2008-03-06 | 2009-09-11 | Basf Se | Polyurethane dispersion comprising at least one highly branched polymer |
| CN101445697A (en) * | 2008-11-26 | 2009-06-03 | 陕西科技大学 | Hyper branched polyurethane leather coating agent and preparation method thereof |
| CN103060490A (en) * | 2013-01-17 | 2013-04-24 | 陕西科技大学 | Tanning method for tanning sheepskin clothing leather by hyperbranched polymer-aluminum salt tanning agent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099433A (en) * | 2014-07-14 | 2014-10-15 | 陕西科技大学 | Preparation method of dendritic-linear polyamide fatliquoring-retanning agent |
| CN104099433B (en) * | 2014-07-14 | 2016-04-06 | 陕西科技大学 | The preparation method of a kind of dendroid-linear polyamidoamine lubricating retanning agent |
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