Preparation method of natural gutta-percha emulsion
The invention discloses a preparation method of natural gutta-percha emulsion. The preparation method comprises the following steps: freezing eucommia ulmoides seed shells, leaves or barks at low temperature, crushing, sieving, dissolving, extracting and separating to obtain a gutta-percha liquid; a...
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| creator | CHEN MIAN GUO SHUNHUA CAI KEPING |
| description | The invention discloses a preparation method of natural gutta-percha emulsion. The preparation method comprises the following steps: freezing eucommia ulmoides seed shells, leaves or barks at low temperature, crushing, sieving, dissolving, extracting and separating to obtain a gutta-percha liquid; adding the gutta-percha liquid into a glass reaction kettle, adding an oily emulsifier and an antioxidant, and stirring to obtain a gutta-percha crude emulsion; adding a water-based emulsifier, a pH regulator, a mechanical stabilizer and soft water into a reaction kettle, heating, adding the gutta-percha crude emulsion, distilling, shearing and emulsifying; and finally, standing and filtering the emulsion to obtain the natural gutta-percha emulsion. In the preparation process, the dissolved gluesolution is directly used for emulsification, so that the procedures of solidification, solvent removal, drying and the like of the gutta-percha emulsion in the extraction process are omitted, the useamount of the solvent is |
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The preparation method comprises the following steps: freezing eucommia ulmoides seed shells, leaves or barks at low temperature, crushing, sieving, dissolving, extracting and separating to obtain a gutta-percha liquid; adding the gutta-percha liquid into a glass reaction kettle, adding an oily emulsifier and an antioxidant, and stirring to obtain a gutta-percha crude emulsion; adding a water-based emulsifier, a pH regulator, a mechanical stabilizer and soft water into a reaction kettle, heating, adding the gutta-percha crude emulsion, distilling, shearing and emulsifying; and finally, standing and filtering the emulsion to obtain the natural gutta-percha emulsion. 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The preparation method comprises the following steps: freezing eucommia ulmoides seed shells, leaves or barks at low temperature, crushing, sieving, dissolving, extracting and separating to obtain a gutta-percha liquid; adding the gutta-percha liquid into a glass reaction kettle, adding an oily emulsifier and an antioxidant, and stirring to obtain a gutta-percha crude emulsion; adding a water-based emulsifier, a pH regulator, a mechanical stabilizer and soft water into a reaction kettle, heating, adding the gutta-percha crude emulsion, distilling, shearing and emulsifying; and finally, standing and filtering the emulsion to obtain the natural gutta-percha emulsion. 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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS WORKING-UP |
| title | Preparation method of natural gutta-percha emulsion |
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