CN103642085B - The method of the molten albumen of a kind of sodium alginate-ol and organic-silicon-modified natural emulsion - Google Patents
The method of the molten albumen of a kind of sodium alginate-ol and organic-silicon-modified natural emulsion Download PDFInfo
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- CN103642085B CN103642085B CN201310544421.6A CN201310544421A CN103642085B CN 103642085 B CN103642085 B CN 103642085B CN 201310544421 A CN201310544421 A CN 201310544421A CN 103642085 B CN103642085 B CN 103642085B
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Abstract
A method for the molten albumen of sodium alginate-ol and organic-silicon-modified natural emulsion, comprises the preparation of organic silicon emulsion, the preparation of prolamine-organosilicon composite emulsion, prolamine-organosilicon composite emulsion modified natural emulsion, the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion 4 steps.Natural emulsion prepared by the present invention possesses ageing resistance, antiallergic property.
Description
Technical field
The present invention relates to a kind of method of modifying of natural emulsion, particularly the method for the molten albumen of a kind of sodium alginate-ol and organic-silicon-modified natural emulsion, belong to natural macromolecular material manufacture field.
technical background
Natural emulsion is a kind of through biosynthesizing, reproducible natural resources, is widely used in the products such as medical catheter, medical gloves and condom because of the over-all properties of excellence.But natural emulsion is because containing unsaturated double-bond, and make its oil-proofness, ageing resistance poor, micro-water-soluble protein wherein causes human allergy to react.
Summary of the invention
The object of this invention is to provide a kind of method of modifying of natural emulsion preparing ageing resistance, antiallergic property.
For realizing above object, the method for the molten albumen of a kind of sodium alginate-ol of the present invention and organic-silicon-modified natural emulsion, step is:
(1) preparation of organic silicon emulsion: octamethylcyclotetrasiloxane, initiator Witco 1298 Soft Acid, emulsifying agent alkylphenol polyoxyethylene and deionized water are at room temperature stirred, pre-emulsification 30min, then 80 DEG C are heated to, add KOH and carry out ring-opening polymerization 4h, obtain organic silicon emulsion, after cooling, regulate emulsion pH=7 with hydrochloric acid;
(2) preparation of prolamine-organosilicon composite emulsion: add prolamine, thiazolinyl Trimethoxy silane in above-mentioned organic silicon emulsion, pass into nitrogen 30min, Potassium hydrogen sulfite and Potassium Persulphate initiation reaction 6h is added successively at 80 DEG C, regulator solution pH=10 after cooling, obtains prolamine-organosilicon composite emulsion;
(3) prolamine-organosilicon composite emulsion modified natural emulsion: by above-mentioned prolamine-organosilicon composite emulsion and natural emulsion mixing and stirring, carry out Latex cure process, after emulsion-stabilizing bubble-free, at 70 DEG C, pour into a mould film forming, obtain modified latex;
(4) the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion: sodium alginate is dissolved in NaAc_HAc buffer solution, be heated to 80 DEG C, put into above-mentioned modified milk glued membrane and soak 5-10min, then 40 DEG C, soak 2min in the ammonia soln of pH=10, obtain the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion after oven dry.
Preferably, prolamine is wheat gliadin or zein.
Preferably, the mass ratio of sodium alginate, prolamine, organosilicon, natural emulsion is 5-8:1-3:10-15:1500-2000.
Preferably, the concentration of sodium alginate is 1%-2%, pH=5-6.
The beneficial effect that the present invention produces is that sodium alginate has good biocompatibility and biodegradability, has good affinity with human body skin.Prolamine has good biocompatibility, oxidation-resistance, bacteria resistance.Organosilicon has the features such as good ageing resistance, heat-resisting winter hardiness.The present invention utilizes prolamine and organosilicon composite emulsion to carry out modification to natural emulsion, to improve ageing-resistant performance and the solvent resistance of latex film, reduces latex film surface viscosity, reduces the frictional coefficient on film surface, makes it to be easy to dress; Again modified natural emulsion is soaked in sodium alginate solution, to the protein cross sex change in natural emulsion, reduces water-soluble protein spillage, give modified milk glued membrane antiallergic property.
Specific embodiment
Embodiment 1:
A method for the molten albumen of sodium alginate-ol and organic-silicon-modified natural emulsion, step is:
(1) preparation of organic silicon emulsion: octamethylcyclotetrasiloxane, initiator Witco 1298 Soft Acid, emulsifying agent alkylphenol polyoxyethylene and deionized water are at room temperature stirred, pre-emulsification 30min, then 80 DEG C are heated to, add KOH and carry out ring-opening polymerization 4h, obtain organic silicon emulsion, after cooling, regulate emulsion pH=7 with hydrochloric acid;
(2) preparation of prolamine-organosilicon composite emulsion: add wheat gliadin, thiazolinyl Trimethoxy silane in organic silicon emulsion, pass into nitrogen 30min, Potassium hydrogen sulfite and Potassium Persulphate initiation reaction 6h is added successively at 80 DEG C, regulator solution pH=10 after cooling, obtains prolamine-organosilicon composite emulsion;
(3) prolamine-organosilicon composite emulsion modified natural emulsion: by above-mentioned prolamine-organosilicon composite emulsion and natural emulsion mixing and stirring, carry out Latex cure process, after emulsion-stabilizing bubble-free, at 70 DEG C, pour into a mould film forming, obtain modified latex;
(4) the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion: sodium alginate is dissolved in NaAc_HAc buffer solution, preparation concentration is the sodium alginate solution of 1%, pH=5, be heated to 80 DEG C, put into above-mentioned modified milk glued membrane and soak 5min, then 40 DEG C, soak 2min in the ammonia soln of pH=10, obtain the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion after oven dry.
Wherein, the mass ratio of sodium alginate, wheat gliadin, organosilicon, natural emulsion is 8:1:12:1500.
Embodiment 2:
A method for the molten albumen of sodium alginate-ol and organic-silicon-modified natural emulsion, step is:
(1) preparation of organic silicon emulsion: octamethylcyclotetrasiloxane, initiator Witco 1298 Soft Acid, emulsifying agent alkylphenol polyoxyethylene and deionized water are at room temperature stirred, pre-emulsification 30min, then 80 DEG C are heated to, add KOH and carry out ring-opening polymerization 4h, obtain organic silicon emulsion, after cooling, regulate emulsion pH=7 with hydrochloric acid;
(2) preparation of prolamine-organosilicon composite emulsion: add wheat gliadin, thiazolinyl Trimethoxy silane in organic silicon emulsion, pass into nitrogen 30min, Potassium hydrogen sulfite and Potassium Persulphate initiation reaction 6h is added successively at 80 DEG C, regulator solution pH=10 after cooling, obtains prolamine-organosilicon composite emulsion;
(3) prolamine-organosilicon composite emulsion modified natural emulsion: by above-mentioned prolamine-organosilicon composite emulsion and natural emulsion mixing and stirring, carry out Latex cure process, after emulsion-stabilizing bubble-free, at 70 DEG C, pour into a mould film forming, obtain modified latex;
(4) the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion: sodium alginate is dissolved in NaAc_HAc buffer solution, preparation concentration is the sodium alginate solution of 1.5%, pH=5.5, be heated to 80 DEG C, put into above-mentioned modified milk glued membrane and soak 6min, then 40 DEG C, soak 2min in the ammonia soln of pH=10, obtain the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion after oven dry.
Wherein, the mass ratio of sodium alginate, wheat gliadin, organosilicon, natural emulsion is 5:2:12:1800.
Embodiment 3:
A method for the molten albumen of sodium alginate-ol and organic-silicon-modified natural emulsion, step is:
(1) preparation of organic silicon emulsion: octamethylcyclotetrasiloxane, initiator Witco 1298 Soft Acid, emulsifying agent alkylphenol polyoxyethylene and deionized water are at room temperature stirred, pre-emulsification 30min, then 80 DEG C are heated to, add KOH and carry out ring-opening polymerization 4h, obtain organic silicon emulsion, after cooling, regulate emulsion pH=7 with hydrochloric acid;
(2) preparation of prolamine-organosilicon composite emulsion: add zein, thiazolinyl Trimethoxy silane in organic silicon emulsion, pass into nitrogen 30min, Potassium hydrogen sulfite and Potassium Persulphate initiation reaction 6h is added successively at 80 DEG C, regulator solution pH=10 after cooling, obtains prolamine-organosilicon composite emulsion;
(3) prolamine-organosilicon composite emulsion modified natural emulsion: by above-mentioned prolamine-organosilicon composite emulsion and natural emulsion mixing and stirring, carry out Latex cure process, after emulsion-stabilizing bubble-free, at 70 DEG C, pour into a mould film forming, obtain modified latex;
(4) the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion: sodium alginate is dissolved in NaAc_HAc buffer solution, preparation concentration is the sodium alginate solution of 2%, pH=6, be heated to 80 DEG C, put into above-mentioned modified milk glued membrane and soak 10min, then 40 DEG C, soak 2min in the ammonia soln of pH=10, obtain the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion after oven dry.
Wherein, the mass ratio of sodium alginate, zein, organosilicon, natural emulsion is 6:3:15:2000.
Claims (4)
1. a method for the molten albumen of sodium alginate-ol and organic-silicon-modified natural emulsion, is characterized in that: step is:
(1) preparation of organic silicon emulsion: octamethylcyclotetrasiloxane, initiator Witco 1298 Soft Acid, emulsifying agent alkylphenol polyoxyethylene and deionized water are at room temperature stirred, pre-emulsification 30min, then 80 DEG C are heated to, add KOH and carry out ring-opening polymerization 4h, obtain organic silicon emulsion, after cooling, regulate emulsion pH=7 with hydrochloric acid;
(2) preparation of prolamine-organosilicon composite emulsion: add prolamine, thiazolinyl Trimethoxy silane in above-mentioned organic silicon emulsion, pass into nitrogen 30min, Potassium hydrogen sulfite and Potassium Persulphate initiation reaction 6h is added successively at 80 DEG C, regulator solution pH=10 after cooling, obtains prolamine-organosilicon composite emulsion;
(3) prolamine-organosilicon composite emulsion modified natural emulsion: by above-mentioned prolamine-organosilicon composite emulsion and natural emulsion mixing and stirring, carry out Latex cure process, after emulsion-stabilizing bubble-free, at 70 DEG C, pour into a mould film forming, obtain modified latex;
(4) the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion: sodium alginate is dissolved in NaAc_HAc buffer solution, be heated to 80 DEG C, put into above-mentioned modified milk glued membrane and soak 5-10min, then 40 DEG C, soak 2min in the ammonia soln of pH=10, obtain the molten albumen of sodium alginate-ol and organic silicon composite modified natural emulsion after oven dry.
2. the method for the molten albumen of a kind of sodium alginate-ol and organic-silicon-modified natural emulsion as claimed in claim 1, is characterized in that: described prolamine is wheat gliadin or zein.
3. the method for the molten albumen of a kind of sodium alginate-ol and organic-silicon-modified natural emulsion as claimed in claim 1, is characterized in that: the mass ratio of described sodium alginate, prolamine, organosilicon, natural emulsion is 5-8:1-3:10-15:1500-2000.
4. the method for the molten albumen of a kind of sodium alginate-ol and organic-silicon-modified natural emulsion as claimed in claim 1, is characterized in that: the concentration of described sodium alginate is 1%-2%, pH=5-6.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6979734B1 (en) * | 1999-05-05 | 2005-12-27 | Budev Medical B.V. | Use of rubber latex in combination with starch |
| CN101613422A (en) * | 2009-07-21 | 2009-12-30 | 中山大学 | A kind of natural rubber latex protein fixation method |
| CN103044725A (en) * | 2013-01-10 | 2013-04-17 | 田晓慧 | Nano silicasol modified natural rubber slurry and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6979734B1 (en) * | 1999-05-05 | 2005-12-27 | Budev Medical B.V. | Use of rubber latex in combination with starch |
| CN101613422A (en) * | 2009-07-21 | 2009-12-30 | 中山大学 | A kind of natural rubber latex protein fixation method |
| CN103044725A (en) * | 2013-01-10 | 2013-04-17 | 田晓慧 | Nano silicasol modified natural rubber slurry and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 壳聚糖－大豆分离蛋白共价复合物改性天然乳胶的研究;龚淑婷等;《华东理工大学学报（自然科学版）》;20130630;第39卷(第3期);280-283 * |
| 大豆分离蛋白－海藻酸丙二醇酯－天然乳胶共混膜的制备及性能研究;龚淑婷等;《北京化工大学学报( 自然科学版)》;20130228;第40卷(第2期);54-60 * |
| 有机硅对天然乳胶的改性研究;陆彬彬等;《化工新型材料》;20120331;第40卷(第3期);110-112 * |
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Inventor after: Wu Dongjian Inventor before: Su Jianli |
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Effective date of registration: 20170510 Address after: 511330, Yongning Street, Zengcheng District, Guangdong nine, Guangzhou, Village Gate 1 Patentee after: Guangzhou City Xing Sheng Jie Technology Co., Ltd. Address before: 266061 Shandong, Laoshan, Hongkong East Road, No. Pioneering Park, biological park, room 248, No. 239 Patentee before: Qingdao Wenchuang Science & Technology Co., Ltd. |
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