CN1458174A - Process for preparing hydrosol type leather filling resin - Google Patents
Process for preparing hydrosol type leather filling resin Download PDFInfo
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- CN1458174A CN1458174A CN 02113740 CN02113740A CN1458174A CN 1458174 A CN1458174 A CN 1458174A CN 02113740 CN02113740 CN 02113740 CN 02113740 A CN02113740 A CN 02113740A CN 1458174 A CN1458174 A CN 1458174A
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- filling resin
- type leather
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- acrylic monomer
- hydrosol type
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Abstract
Acrylic acid monomer 20-30 wt%, surfactant 0.2-2 wt%, initiator 0.1-2 wt%, amphiphilic solvent 5-30 wt%, alkali 1-5 wt%, molecular weight regulator 0-2 wt% and water are polymerized at 60-90 deg.c for 1-4 hr to prepare the water soluble leather filling resin. The preparation process is simple and the product has grain size smaller than 100 nm and thus very strong penetrating capacity and high leather filling effect. Using the leather filling resin can eliminate surface difference of leather, make leather plump and robust and produce excellent filling effect, especially to granular surface cattle hide.
Description
Affiliated technical field
The present invention relates to a kind of leather potting resin, especially a kind of preparation method of hydrosol type leather filling resin.
Background technology
Existing leather potting resin generally is to prepare by traditional emulsion polymerisation process, the product pellet size is between 100-300nm, and in the process that is used for filling with solution leather loose side, it is relatively poor to show penetrating power, filling effect is not obvious, solves poorly to the loose side phenomenon.
The technical scheme of invention
For the leather potting resin particle that overcomes the preparation of existing emulsion polymerisation process bigger, penetrating power is relatively poor, filling effect is not obvious, to the shortcoming that the loose side phenomenon solves poorly, the invention provides a kind of hydrosol type leather filling resin preparation method, production technique is simple, the product pellet size that makes is minimum, have excellent permeation and leather filling properties, can eliminate effectively because the leather position difference that loose side causes makes the more plentiful consolidation of finished leather.
The technical scheme that technical solution problem of the present invention is adopted is:
The preparation method of hydrosol type leather filling resin of the present invention, be with acrylic monomer 20-30%, tensio-active agent 0.2-2%, initiator 0.1-2%, amphiphilic solvent 5-30%, alkali 1-5%, molecular weight regulator 0-2%, all the other are water, at 60-90 ℃ of following polyreaction 1-4 hour, make hydrosol type leather filling resin.
The invention has the beneficial effects as follows: production technique is simple, the hydrosol type leather filling resin product pellet size that makes is minimum, have excellent permeation and leather filling properties, can eliminate effectively because the leather position difference that loose side causes makes the more plentiful consolidation of finished leather.
Embodiment:
The preparation method of hydrosol type leather filling resin of the present invention, be with acrylic monomer 20-30%, tensio-active agent 0.2-2%, initiator 0.1-2%, amphiphilic solvent 5-30%, alkali 1-5%, molecular weight regulator 0-2%, all the other are water, at 60-90 ℃ of following polyreaction 1-4 hour, make hydrosol type leather filling resin.During preparation, with surfactant dissolves in water, under stirring action, under 60-90 ℃, add initiator, the acrylic monomer that has been dissolved in water respectively, make the milk sap of pearl opal through letex polymerization, add amphiphilic solvent again, at last alkali is splashed into this liquid, making its pH is 8-10, promptly makes the hydrosol type leather filling resin that solid content is 20-30%.
In the such scheme, acrylic monomer is vinylformic acid, methacrylic acid, acrylate, methacrylic ester.Wherein, vinylformic acid is or/and the consumption of methacrylic acid is the 2-20% of acrylic monomer, and the consumption of acrylate is the 60-80% of acrylic monomer, and the consumption of methacrylic ester is the 0-20% of acrylic monomer.
Described acrylate is methyl acrylate, ethyl propenoate, butyl acrylate, vinyl cyanide, wherein methyl acrylate is or/and ethyl propenoate is the 50-80% of acrylic monomer, and butyl acrylate is that 0-10%, the vinyl cyanide of acrylic monomer is the 0-10% of acrylic monomer; Methacrylic ester is methyl methacrylate, butyl methacrylate.
In the such scheme, tensio-active agent is sodium laurylsulfonate, Sodium dodecylbenzene sulfonate, sodium lauryl sulphate, peregal 0.Initiator is Potassium Persulphate, ammonium persulphate, hydrogen peroxide, persulphate-ferrous sulfate redox system.Amphiphilic solvent is the mixed solvent of two kinds of compositions in ethylene glycol monomethyl ether, ethylene glycol ethyl ether, butyl glycol ether, ethanol, Virahol, isopropylcarbinol, acetone, the butanone.Alkali is sodium hydroxide, potassium hydroxide, ammoniacal liquor, thanomin.Molecular weight regulator is butanethiol, Dodecyl Mercaptan, thiohydracrylic acid.
Hydrosol type leather filling resin preparation method of the present invention, production technique is simple, the product pellet size that makes is less than 100nm (being about between the 50-90nm), because size of particles is minimum, thereby penetrating power is extremely strong, and there is fabulous filling effect at the loose side position of leather, after using, can effectively improve because the leather position difference that loose side causes makes the more plentiful consolidation of finished leather, more obvious especially for the dry-packing effect of wholegrain face ox-hide.
The invention will be further described below in conjunction with embodiment.
Embodiment one
The 0.5g Sodium dodecylbenzene sulfonate is dissolved in the 45g water, adds acrylic monomer mixture 30g, Potassium Persulphate 0.1g, vinylformic acid 3g wherein, methyl acrylate 6g, ethyl propenoate 18g, butyl acrylate 3g, butanethiol 0.6g; After reacting 1 hour under 90 ℃, add amphiphilic solvent 20g (ethanol 15g, butanone 5g), with potassium hydroxide solution (potassium hydroxide 1.5g, water 5g) regulates pH to 8-10, can make solid content and be the hydrosol type leather filling resin of 30% the yellow limpid transparent liquid shape of light blue band.
Embodiment two
The 2g sodium lauryl sulphate is dissolved in the 50g water, add acrylic monomer mixture 25g (vinylformic acid 1.5g wherein, methyl methacrylate 5g, ethyl propenoate 15g, butyl acrylate 3.5g), Potassium Persulphate 2g, Dodecyl Mercaptan 0.5g, after reacting 4 hours under 80 ℃, add amphiphilic solvent 15g (Virahol 9g, butyl glycol ether 6g), with sodium hydroxide solution (sodium hydroxide 1.0g, water 10g) regulates pH to 8-10, can make solid content and be the hydrosol type leather filling resin of 25% the yellow limpid transparent liquid shape of light blue band.
Embodiment three
The 0.2g sodium laurylsulfonate is dissolved in the 45g water, add acrylic monomer mixture 20g (methacrylic acid 1.4g wherein, vinyl cyanide 3g, ethyl propenoate 11g, methyl methacrylate 4.6g), ammonium persulphate 0.5g, butanethiol 0.6g, after reacting 2 hours under 75 ℃, add amphiphilic solvent 30g (butanols 18g, ethylene glycol ethyl ether 12g), regulates pH to 8-10, can make solid content and be the hydrosol type leather filling resin of 20% the yellow limpid transparent liquid shape of light blue band with ammonia soln 5g.
Claims (10)
1. the preparation method of hydrosol type leather filling resin, it is characterized in that acrylic monomer 20-30%, tensio-active agent 0.2-2%, initiator 0.1-2%, amphiphilic solvent 5-30%, alkali 1-5%, molecular weight regulator 0-2%, all the other are water, at 60-90 ℃ of following polyreaction 1-4 hour, make hydrosol type leather filling resin.
2. the preparation method of hydrosol type leather filling resin according to claim 1, it is characterized in that surfactant dissolves in water, under stirring action, under 60-90 ℃, add initiator, the acrylic monomer that has been dissolved in water respectively, make the milk sap of pearl opal through letex polymerization, add amphiphilic solvent again, at last alkali is splashed into this liquid, making its pH is 8-10, promptly makes the hydrosol type leather filling resin that solid content is 20-30%.
3. the preparation method of hydrosol type leather filling resin according to claim 1 and 2 is characterized in that acrylic monomer is vinylformic acid, methacrylic acid, acrylate, methacrylic ester.
4. the preparation method of hydrosol type leather filling resin according to claim 3, it is characterized in that vinylformic acid or/and the consumption of methacrylic acid is the 2-20% of acrylic monomer, the consumption of acrylate is the 60-80% of acrylic monomer, and the consumption of methacrylic ester is the 0-20% of acrylic monomer.
5. the preparation method of hydrosol type leather filling resin according to claim 4, it is characterized in that acrylate is wherein two or more a mixture of methyl acrylate, ethyl propenoate, butyl acrylate, vinyl cyanide, wherein methyl acrylate is or/and ethyl propenoate is the 50-80% of acrylic monomer, butyl acrylate is the 0-10% of acrylic monomer, and vinyl cyanide is the 0-10% of acrylic monomer; Methacrylic ester is methyl methacrylate, butyl methacrylate.
6. the preparation method of hydrosol type leather filling resin according to claim 1 and 2 is characterized in that tensio-active agent is sodium laurylsulfonate, Sodium dodecylbenzene sulfonate, sodium lauryl sulphate, peregal 0.
7. the preparation method of hydrosol type leather filling resin according to claim 1 and 2 is characterized in that initiator is Potassium Persulphate, ammonium persulphate, hydrogen peroxide, persulphate-ferrous sulfate redox system.
8. the preparation method of hydrosol type leather filling resin according to claim 1 and 2 is characterized in that amphiphilic solvent is the mixed solvent of two kinds of compositions in ethylene glycol monomethyl ether, ethylene glycol ethyl ether, butyl glycol ether, ethanol, Virahol, isopropylcarbinol, acetone, the butanone.
9. the preparation method of hydrosol type leather filling resin according to claim 1 and 2 is characterized in that alkali is sodium hydroxide, potassium hydroxide, ammoniacal liquor, thanomin.
10. the preparation method of hydrosol type leather filling resin according to claim 1 and 2 is characterized in that molecular weight regulator is butanethiol, Dodecyl Mercaptan, thiohydracrylic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02113740 CN1458174A (en) | 2002-05-16 | 2002-05-16 | Process for preparing hydrosol type leather filling resin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02113740 CN1458174A (en) | 2002-05-16 | 2002-05-16 | Process for preparing hydrosol type leather filling resin |
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| CN1458174A true CN1458174A (en) | 2003-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02113740 Pending CN1458174A (en) | 2002-05-16 | 2002-05-16 | Process for preparing hydrosol type leather filling resin |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103694402A (en) * | 2013-12-06 | 2014-04-02 | 四川达威科技股份有限公司 | Hydrosol polyacrylate leather filling resin and preparation method thereof |
| CN108948903A (en) * | 2018-08-21 | 2018-12-07 | 广州市麦吉高分子材料有限公司 | A kind of ultra micro acrylic emulsion leather agent and preparation method thereof |
-
2002
- 2002-05-16 CN CN 02113740 patent/CN1458174A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103694402A (en) * | 2013-12-06 | 2014-04-02 | 四川达威科技股份有限公司 | Hydrosol polyacrylate leather filling resin and preparation method thereof |
| CN103694402B (en) * | 2013-12-06 | 2016-01-20 | 四川达威科技股份有限公司 | A kind of water-soluble colloidality polyacrylic ester filling resin for leather and preparation technology thereof |
| CN108948903A (en) * | 2018-08-21 | 2018-12-07 | 广州市麦吉高分子材料有限公司 | A kind of ultra micro acrylic emulsion leather agent and preparation method thereof |
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