CN1036724C - Extracting method for gutta-percha - Google Patents
Extracting method for gutta-percha Download PDFInfo
- Publication number
- CN1036724C CN1036724C CN92114760A CN92114760A CN1036724C CN 1036724 C CN1036724 C CN 1036724C CN 92114760 A CN92114760 A CN 92114760A CN 92114760 A CN92114760 A CN 92114760A CN 1036724 C CN1036724 C CN 1036724C
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- CN
- China
- Prior art keywords
- percha
- gutta
- extracting
- mucus
- glue
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Preparation Of Fruits And Vegetables (AREA)
- Extraction Or Liquid Replacement (AREA)
Abstract
The present invention relates to a new technological method for extracting gutta-percha by using the leaves of gutta percha trees as raw materials, which is characterized in that a milling method is used for grinding components without containing mucus on the surfaces of the leaves are ground to expose tissues containing mucus in the leaves so as to obtain the aim of enrich the content of mucus, and then waste dregs are sieved; gutta-percha is extracted by an organic solvent. The method for extracting the mucus can save the raw materials, and operation can be easily and quantitatively operated in time.
Description
The present invention relates to a kind of extracting method of crude substance, more particularly, the present invention relates to a kind of method of extracting gutta-percha.
Usually, the pre-treating process that extracts gutta-percha is through fermentation-soda boiling-centrifugal separation method with Folium Eucommiae, CN86100216,1986.1.16, propose to smash method and carry out pre-treatment with fermentation-soda boiling-high speed waterpower, fermentation, two processes of soda boiling are Mierocrystalline cellulose and these quality of destroying in the leaf, thereby make to contain the glue tissue and come out, stay contain the glue partial volume comparable former with leaf volume-diminished 1-2 doubly, further reduced volume, also will be through grinding flushing, because to the leaf fermentation, the soda boiling required time will reach two months, and the bulk fermentation leaf can rot because of miscarriage causes leaf, polluted air, this method pre-treatment time is long, and occupied ground is big, and investment is high.
It is long to the objective of the invention is to overcome the pre-treatment time of extracting gutta-percha, and occupied ground is big, investment height and the shortcoming that causes environmental pollution, and a kind of method of extracting gutta-percha with grinding method is provided.
The objective of the invention is to adopt following measure to realize, Folium Eucommiae is placed in the ball mill mills, after 20-30 minute, pour water, the rotation of material limit, the disintegrating slag limit is washed out, effectively contain the glue part with the collection of 50-100 purpose sieve, effective material after the processing is moisture more, dry with drier earlier, with boiler afterheat oven dry or natural air drying, dried material is packed in the extractor again, with organic solvent (toluene, benzene, ethylene dichloride, sherwood oil) extracts thick glue, use ordinary organic solvents (alcohol again, ketone, ether, aldehyde, ester) purifies the whole process of finishing the extraction gutta-percha.
The present invention extracts the gutta-percha pre-treating process, and equipment used adopts ball mill, grinds roller, and constant speed all can to roller.
When Folium Eucommiae was milled, the leaf positive pressure of only being rolled was not subjected to shear action, so only the non-glue component that contains in leaf surface is ground, made to contain the glue tissue in the leaf and come out, and reached the purpose that contains the glue enrichment.It is that the be untreated volume of leaf of volume ratio that the 40-50% (weight meter) of former leaf amount contains the glue part can dwindle 4-5 doubly that sieve removes waste residue, because this method can not cause the loss that contains the glue tissue, compared with prior art, gum content can increase by 1 times, thereby saved the consumption of solvent when glue is carried in the back greatly, the while place takies little, and facility investment is few, and shortening the pre-treatment required time also can easy at regular time and quantity operation.
Embodiment 1:
500 gram bark of eucommia dried leaves after fermented 2 months, soda boiling 3 hours and high-speed stirring are washed, are sieved, dry that thick glue 11 restrains, through rolling cleanization, dry that finished product sizing material 6 restrains again.
Embodiment 2:
500 gram bark of eucommia dried leaves are put into ball mill milled 20 minutes, put into the water flushing, sift out waste residue with 50 mesh sieve, what stay contains the glue part, dry through drier, seasoning is put into extractor through thick glue 20 grams of methylbenzene extraction with dried material, after the solvent evaporated, get finished product sizing material 10 grams with acetone extraction.
Claims (3)
1, a kind of method of extracting gutta-percha adopts machinery to smash method, it is characterized in that it is to adopt ball mill that described machinery is smashed method, grind roller or constant speed to roller,, smashed through 20-30 minute with Folium Eucommiae, sieve removes disintegrating slag, carries out thick glue with organic solvent again and extracts and purify.
2, a kind of method of extracting gutta-percha according to claim 1 is characterized in that it is toluene, benzene, ethylene dichloride, sherwood oil that thick glue extracts used solvent.
3, a kind of method of extracting gutta-percha according to claim 1 is characterized in that purifying thick glue solvent for use and is alcohol, ketone, ether, aldehyde, ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92114760A CN1036724C (en) | 1992-12-24 | 1992-12-24 | Extracting method for gutta-percha |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92114760A CN1036724C (en) | 1992-12-24 | 1992-12-24 | Extracting method for gutta-percha |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1088601A CN1088601A (en) | 1994-06-29 |
| CN1036724C true CN1036724C (en) | 1997-12-17 |
Family
ID=4947087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN92114760A Expired - Fee Related CN1036724C (en) | 1992-12-24 | 1992-12-24 | Extracting method for gutta-percha |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1036724C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100457846C (en) * | 2006-11-08 | 2009-02-04 | 贵州大学 | Method of extracting gutta percha by solvent circulation |
| CN101906176B (en) * | 2010-07-06 | 2012-04-25 | 刘志成 | Method for continuously generating fine gutta-percha through digestion-reextraction |
| CN102838759B (en) * | 2012-09-21 | 2014-10-15 | 汉中永杨医药科技发展有限公司 | Method and device for extracting eucommia ulmoides gum from insect excrement of insect eating eucommia ulmoides |
| JP6099481B2 (en) * | 2013-05-28 | 2017-03-22 | 日立造船株式会社 | Antibacterial composition and method for producing the same |
| CN105111465A (en) * | 2015-09-23 | 2015-12-02 | 成都艾比科生物科技有限公司 | Method for extracting filament gutta-percha from eucommia ulmoides by adopting solvent method |
| CN108047356B (en) * | 2018-01-29 | 2020-06-16 | 山东贝隆杜仲生物工程有限公司 | Method for refining eucommia ulmoides crude glue solution |
| CN111892717A (en) * | 2020-07-21 | 2020-11-06 | 河南清大生命健康产业技术研究院有限公司 | Process technology for extracting gutta-percha from eucommia branches and leaves |
| CN111944166A (en) * | 2020-07-21 | 2020-11-17 | 河南清大生命健康产业技术研究院有限公司 | Process technology for large-scale industrial extraction of gutta-percha from waste eucommia leaves after extraction of chlorogenic acid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100216A (en) * | 1986-01-16 | 1986-09-10 | 中国科学院化学研究所 | Extract the method for gutta-percha by Folium Eucommiae or skin |
-
1992
- 1992-12-24 CN CN92114760A patent/CN1036724C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100216A (en) * | 1986-01-16 | 1986-09-10 | 中国科学院化学研究所 | Extract the method for gutta-percha by Folium Eucommiae or skin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1088601A (en) | 1994-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| ASS | Succession or assignment of patent right |
Owner name: JINKEDESHENG NEW TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEMISTRY INSTITUTE, CHINESE ACADEMY OF SCIENCES Effective date: 20030103 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20030103 Address after: 100086 No. 1105 Pacific International Building, No. 106, Haidian District, Beijing, Zhichun Road Patentee after: Jinkedesheng New Technology Co Ltd Address before: 100080 Beijing, Haidian District, Zhongguancun Patentee before: Institute of Chemistry, Chinese Academy of Sciences |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |