CN101280171B - Preparation of high-strength environment-friendly skin gelatin - Google Patents
Preparation of high-strength environment-friendly skin gelatin Download PDFInfo
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- CN101280171B CN101280171B CN2008100180812A CN200810018081A CN101280171B CN 101280171 B CN101280171 B CN 101280171B CN 2008100180812 A CN2008100180812 A CN 2008100180812A CN 200810018081 A CN200810018081 A CN 200810018081A CN 101280171 B CN101280171 B CN 101280171B
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- caustic soda
- skin gelatin
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- gelatin
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Abstract
Disclosed is the preparation method of high intensity environmental-friendly gelatin; firstly, the gelatin and water are mixed, and then hydrochloric acid is added to the mixture to form gelatin liquid; epichlorohydrin is added to the gelatin liquid; modified gelatin is obtained; secondly, sodium hydroxide is melted in water to form sodium hydroxide solution; rosin is added to the sodium hydroxide solution to obtain modified rosin, and then water is added to obtain modified rosin emulsion; the modified gelatin and the modified rosin emulsion are stirred evenly to obtain the mixed gelatin liquid; and then borax, potassium thiocyanate and sepiolite powder are added to the mixed gelatin liquid; when the compositions are dispersed completely, the high intensity environmental-friendly gelatin which is white viscous liquid. The preparation method of the high intensity environmental-friendly gelatin processes degradation and chemical cross-linking towards the gelatin through the acid method firstly, and then prepares the high intensity environmental-friendly gelatin through the method of mixing the modified rosin emulsion and other fillers and auxiliary agents; the synthesis time is short; the adhesive strength is high; meanwhile, the drying speed is fast and the cost is low.
Description
Technical field
The present invention relates to a kind of preparation technology of tackiness agent, be specifically related to a kind of preparation technology of high-strength environment-friendly skin gelatin.
Background technology
Skin gelatin is widely used on timber, paper, fabric bonding as sizing agent, is characterized in the bonding strength height, collapsibility is good, nontoxic, pollution-free, cost is low.But the skin gelatin viscosity with temperature changes and takes place to change on a large scale, and along with decrease of temperature, viscosity sharply rises, thereby influences the flowability of sizing material, brings the difficulty that can't overcome for the control of industrialized production and operation.Because of it uses inconvenience, need the scene to boil, rate of drying is slower, is synthesized the class sizing agent gradually and substitutes.
Summary of the invention
The objective of the invention is to overcome the above-mentioned shortcoming of skin gelatin, provide that a kind of technology is simple, the preparation method of the high-strength environment-friendly skin gelatin of environmental protection, according to said method cohesive strength height, the rate of drying of Zhi Bei skin gelatin tackiness agent are fast, tensile strength is high, easy to use and with low cost pollution-free.
For achieving the above object, concrete technical scheme of the present invention is as follows: at first join skin gelatin and water in the reactor jointly by 1: 3～1: 4 mass ratio, be warmed up to 75 ℃～85 ℃, concentration by every 100g glue adding 6g～8g is the hydrochloric acid of 6mol/L then, reaction 0.5h～1h cools to 40 ℃～45 ℃ and forms glue, adds the epoxy chloropropane of 2ml～4ml again by every 100g glue, under 40 ℃～45 ℃ temperature, react 1h～1.5h, obtain the modification skin gelatin; Secondly by 1: 8～1: 10 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 4～5 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 5: 1～6: 1 mass ratio and obtains mixed glue solution, add the borax of 1g～1.5g, the potassium sulfocyanate of 2g～3g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 5g～8g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
The present invention is a main raw material with common skin gelatin, through appropriateness degraded, remix rosin milk, and adds suitable adjuvants and makes the high-strength environment-friendly skin gelatin tackiness agent, and not only synthetic weak point consuming time, the cohesive strength height, and also rate of drying is fast, and with low cost.
Embodiment
Embodiment 1: at first join skin gelatin and water in the reactor jointly by 1: 3 mass ratio, be warmed up to 75,85,80,78,82 ℃, concentration by every 100g glue adding 6g is the hydrochloric acid of 6mol/L then, reaction 0.5h, cool to 45 ℃ and form glue, add the epoxy chloropropane of 3ml again by every 100g glue, under 45 ℃ of temperature, react 1.3h, obtain the modification skin gelatin; Secondly by 1: 8 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 5 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 5: 1 mass ratio and obtains mixed glue solution, add the borax of 1.3g, the potassium sulfocyanate of 3g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 6g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
Embodiment 2: at first join skin gelatin and water in the reactor jointly by 1: 3.5 mass ratio, be warmed up to 80 ℃, concentration by every 100g glue adding 7g is the hydrochloric acid of 6mol/L then, reaction 0.8h, cool to 42 ℃ and form glue, add the epoxy chloropropane of 4ml again by every 100g glue, under 42 ℃ of temperature, react 1h, obtain the modification skin gelatin; Secondly by 1: 10 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 4 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 6: 1 mass ratio and obtains mixed glue solution, add the borax of 1.5g, the potassium sulfocyanate of 2.8g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 7g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
Embodiment 3: at first join skin gelatin and water in the reactor jointly by 1: 4 mass ratio, be warmed up to 80 ℃, concentration by every 100g glue adding 8g is the hydrochloric acid of 6mol/L then, reaction 0.6h, cool to 40 ℃ and form glue, add the epoxy chloropropane of 2.5ml again by every 100g glue, under 40 ℃ of temperature, react 1.5h, obtain the modification skin gelatin; Secondly by 1: 9.5 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 4.5 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 5.2: 1 mass ratio and obtains mixed glue solution, add the borax of 1g, the potassium sulfocyanate of 2.5g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 8g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
Embodiment 4: at first join skin gelatin and water in the reactor jointly by 1: 3.2 mass ratio, be warmed up to 78 ℃, concentration by every 100g glue adding 6.5g is the hydrochloric acid of 6mol/L then, reaction 1h, cool to 43 ℃ and form glue, add the epoxy chloropropane of 3ml again by every 100g glue, under 43 ℃ of temperature, react 1.1h, obtain the modification skin gelatin; Secondly by 1: 8.8 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 4.3 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 5.7: 1 mass ratio and obtains mixed glue solution, add the borax of 1.2g, the potassium sulfocyanate of 2.3g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 7.5g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
Embodiment 5: at first join skin gelatin and water in the reactor jointly by 1: 3.8 mass ratio, be warmed up to 82 ℃, concentration by every 100g glue adding 7.5g is the hydrochloric acid of 6mol/L then, reaction 0.7h, cool to 41 ℃ and form glue, add the epoxy chloropropane of 3.5ml again by every 100g glue, under 41 ℃ of temperature, react 1.4h, obtain the modification skin gelatin; Secondly by 1: 9 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 4.7 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 5.5: 1 mass ratio and obtains mixed glue solution, add the borax of 1.4g, the potassium sulfocyanate of 2g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 6.5g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
Claims (6)
1. the preparation method of a high-strength environment-friendly skin gelatin is characterized in that:
1) at first join skin gelatin and water in the reactor jointly by 1: 3～1: 4 mass ratio, be warmed up to 75 ℃～85 ℃, concentration by every 100g glue adding 6g～8g is the hydrochloric acid of 6mol/L then, reaction 0.5h～1h, cool to 40 ℃～45 ℃ and form glue, add the epoxy chloropropane of 2ml～4ml again by every 100g glue, under 40 ℃～45 ℃ temperature, react 1h～1.5h, obtain the modification skin gelatin;
2) secondly caustic soda is soluble in water by 1: 8～1: 10 mass ratio, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 4～5 times of quality of caustic soda soln again, obtain the modified rosin emulsion;
3) getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 5: 1～6: 1 mass ratio and obtains mixed glue solution, add the borax of 1g～1.5g, the potassium sulfocyanate of 2g～3g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 5g～8g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
2. the preparation method of high-strength environment-friendly skin gelatin according to claim 1, it is characterized in that: at first join skin gelatin and water in the reactor jointly by 1: 3 mass ratio, be warmed up to 75 ℃, concentration by every 100g glue adding 6g is the hydrochloric acid of 6mol/L then, reaction 0.5h cools to 45 ℃ and forms glue, adds the epoxy chloropropane of 3ml again by every 100g glue, under 45 ℃ of temperature, react 1.3h, obtain the modification skin gelatin; Secondly by 1: 8 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 5 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 5: 1 mass ratio and obtains mixed glue solution, add the borax of 1.3g, the potassium sulfocyanate of 3g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 6g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
3. the preparation method of high-strength environment-friendly skin gelatin according to claim 1, it is characterized in that: at first join skin gelatin and water in the reactor jointly by 1: 3.5 mass ratio, be warmed up to 80 ℃, concentration by every 100g glue adding 7g is the hydrochloric acid of 6mol/L then, reaction 0.8h cools to 42 ℃ and forms glue, adds the epoxy chloropropane of 4ml again by every 100g glue, under 42 ℃ of temperature, react 1h, obtain the modification skin gelatin; Secondly by 1: 10 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 4 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 6: 1 mass ratio and obtains mixed glue solution, add the borax of 1.5g, the potassium sulfocyanate of 2.8g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 7g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
4. the preparation method of high-strength environment-friendly skin gelatin according to claim 1, it is characterized in that: at first join skin gelatin and water in the reactor jointly by 1: 4 mass ratio, be warmed up to 80 ℃, concentration by every 100g glue adding 8g is the hydrochloric acid of 6mol/L then, reaction 0.6h cools to 40 ℃ and forms glue, adds the epoxy chloropropane of 2.5ml again by every 100g glue, under 40 ℃ of temperature, react 1.5h, obtain the modification skin gelatin; Secondly by 1: 9.5 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 4.5 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 5.2: 1 mass ratio and obtains mixed glue solution, add the borax of 1g, the potassium sulfocyanate of 2.5g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 8g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
5. the preparation method of high-strength environment-friendly skin gelatin according to claim 1, it is characterized in that: at first join skin gelatin and water in the reactor jointly by 1: 3.2 mass ratio, be warmed up to 78 ℃, concentration by every 100g glue adding 6.5g is the hydrochloric acid of 6mol/L then, reaction 1h cools to 43 ℃ and forms glue, adds the epoxy chloropropane of 3ml again by every 100g glue, under 43 ℃ of temperature, react 1.1h, obtain the modification skin gelatin; Secondly by 1: 8.8 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 4.3 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 5.7: 1 mass ratio and obtains mixed glue solution, add the borax of 1.2g, the potassium sulfocyanate of 2.3g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 7.5g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
6. the preparation method of high-strength environment-friendly skin gelatin according to claim 1, it is characterized in that: at first join skin gelatin and water in the reactor jointly by 1: 3.8 mass ratio, be warmed up to 82 ℃, concentration by every 100g glue adding 7.5g is the hydrochloric acid of 6mol/L then, reaction 0.7h cools to 41 ℃ and forms glue, adds the epoxy chloropropane of 3.5ml again by every 100g glue, under 41 ℃ of temperature, react 1.4h, obtain the modification skin gelatin; Secondly by 1: 9 mass ratio that caustic soda is soluble in water, and be heated to boiling and caustic soda dissolved fully make caustic soda soln, slowly add rosin afterwards with quality such as caustic soda soln, the limit edged is auxiliary to stir, treat that rosin is dissolved into amber viscous liquid afterreaction fully and finishes, obtain modified rosin, add the water of 4.7 times of quality of caustic soda soln again, obtain the modified rosin emulsion; Getting modification skin gelatin and modified rosin emulsion at room temperature stirs by 5.5: 1 mass ratio and obtains mixed glue solution, add the borax of 1.4g, the potassium sulfocyanate of 2g by every 100g mixed glue solution again, granularity by every 100g mixed glue solution adding 6.5g is 200 purpose sepiolite powders under whipped state simultaneously, after treating that each composition disperses fully, gained canescence viscous liquid is high-strength environment-friendly skin gelatin.
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| CN2008100180812A CN101280171B (en) | 2008-04-28 | 2008-04-28 | Preparation of high-strength environment-friendly skin gelatin |
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| CN2008100180812A CN101280171B (en) | 2008-04-28 | 2008-04-28 | Preparation of high-strength environment-friendly skin gelatin |
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| CN101280171B true CN101280171B (en) | 2010-06-16 |
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| CN103805131B (en) * | 2013-11-07 | 2016-01-20 | 西京学院 | A kind of method utilizing discarded chicken feather to prepare environment-friendly adhesive |
| CN103725252B (en) * | 2014-01-08 | 2016-04-20 | 四川省纺织科学研究院 | A kind of Formaldehyde-free adhesive and its preparation method and application |
| CN105441026A (en) * | 2015-12-14 | 2016-03-30 | 桐乡市亿源鞋业有限公司 | Glue for compounding of leather and lining cloth |
| CN106497513A (en) * | 2016-10-19 | 2017-03-15 | 陕西科技大学 | A kind of collagen class adhesive and preparation method thereof |
Citations (3)
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| CN1544567A (en) * | 2003-11-17 | 2004-11-10 | 陕西科技大学 | Process for preparing modified bone-glue adhesive |
| CN1618914A (en) * | 2004-10-11 | 2005-05-25 | 陕西科技大学 | Preparation method of high stability adhesive |
| CN1667075A (en) * | 2005-02-28 | 2005-09-14 | 陕西科技大学 | Process for preparing environmental protection bone glue adhesive |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544567A (en) * | 2003-11-17 | 2004-11-10 | 陕西科技大学 | Process for preparing modified bone-glue adhesive |
| CN1618914A (en) * | 2004-10-11 | 2005-05-25 | 陕西科技大学 | Preparation method of high stability adhesive |
| CN1667075A (en) * | 2005-02-28 | 2005-09-14 | 陕西科技大学 | Process for preparing environmental protection bone glue adhesive |
Non-Patent Citations (2)
| Title |
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| 余丽丽等.皮胶改性新工艺的研究.中国皮革37 1.2008,37(1),14-18. |
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