CN101298539A - Preparation of persimmon paint - Google Patents
Preparation of persimmon paint Download PDFInfo
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- CN101298539A CN101298539A CNA2008100552393A CN200810055239A CN101298539A CN 101298539 A CN101298539 A CN 101298539A CN A2008100552393 A CNA2008100552393 A CN A2008100552393A CN 200810055239 A CN200810055239 A CN 200810055239A CN 101298539 A CN101298539 A CN 101298539A
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- persimmon
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Abstract
The invention relates to a preparation method of kaku-shibu, the products of which can be widely applied to industries such as coating, dye and medicine, etc. for the purposes of avoiding fermentation treatment, having short production period and being free from the off-odour of finished products. The method of the invention is that: select puckery persimmons containing a great amount of tannin, then clean and crash the persimmons; make an extracting liquid by mixing chlorhydric acid with the concentration of 1 percent and ethanol with the concentration of 70 percent according to the weight ratio of 1:1; put the persimmons and the extracting liquid into a multi-function extracting tank to be heated to 80 DEG C, and wait 50 min for thermal insulation, then filter; add the extracting liquid into filter residues, then extract for another two times repeatedly, and filter; filter again after combining the filtrate extracted for three times, and concentrate the filtrate to specific weight about 1.1; add acetone into the concentrated liquid, put the concentrated liquid into the extracting tank to be heated to 50 DEG C, and extract for 1 hour, then filter; add acetone into the filter residues, then extract for another two times repeatedly, then filter; combine the filtrate extracted for three times and concentrate the filtrate to 1.1 to obtain the finished production.
Description
Technical field
The present invention relates to a kind of preparation method of persimmon lacquer.
Background technology
The Colloidal fluid that adopts persimmon juice to process has the anticorrosion effect that wets of driving of common lacquer because of spreading upon on the implements, be called the persimmon lacquer.Make the domestic puckery persimmon kind of the main employing of persimmon lacquer, the puckery persimmon of particularly immature color pastiness, blue or green persimmon have extremely strong puckery sense, and its main component is a tannin.In the Chinese patent of notification number CN1069398, reported " a kind of persimmon lacquer and manufacturing process thereof ", this process using traditional fermentation process, its weak point is that fermentation time is longer, about more than 40 days, the finished product frowziness need after the use could eliminate through the time stink of half a year, and fermentation needs certain ambient temperature conditions, in case temperature changes, then the time of fermentation needs longer.Container required in the fermenting process is more, also needs great amount of manpower to stir every day.
Summary of the invention
The present invention seeks to overcome the deficiency of above-mentioned prior art, a kind of persimmon lacquer preparation method who does not need fermentative processing, production time weak point, finished product not to have stink is provided.
The preparation method of persimmon lacquer of the present invention is:
(1) selects the high puckery persimmon of tannin content, tannin component content about 2%; Usually select puckery persimmon immature, the pastiness that hardens for use.
(2) cleaning, fragmentation; Persimmon is cleaned the back go up crusher, add clear water according to 10% of persimmon weight, the bulk of persimmon fragmentation into about 2cm * 3cm; Add water and can make tannin molten in water, help fragmentation.
(3) preparation extracting solution; 's 1: 1 mixed with the ethanol of the hydrochloric acid of concentration 1% and concentration 70% according to weight ratio.
(4) extract; Persimmon piece after the fragmentation and extracting solution are together added in the multi-function extractor, be warmed to about 80C, be incubated about 50 minutes, filter then; The weight of required extracting solution is doubly calculated by the 6-8 of persimmon weight.
(5) secondary, three extractions; Second extraction is that filter residue and extracting solution after extracting are together added multi-function extractor, is warmed to about 80C, is incubated 50 minutes, filters; Three extractions are that the filter residue after the second extraction is extracted processing once again according to the method for second extraction; The weight of extracting solution is all doubly calculated by the 6-8 of filter residue weight.
(6) concentrated filtrate; Filtrate after three extractions is merged, refilter, be concentrated into proportion about 1.1.
(7) extraction joins the concentrated solution after concentrating in the extractor, extraordinarily goes into acetone according to the 2-3 of persimmon weight, is warmed up to about 50C, extracts 1 hour, then filtration.
(8) secondary, three extractions, reextraction is that the filter residue after the extraction is joined in the extractor, extraordinarily goes into acetone according to the 2-3 of filter residue weight, is warmed up to about 50C, extracted 1 hour, and after-filtration.Three extractions are that extraction treatment is once again according to the method for reextraction with the filter residue behind the reextraction.
(9) concentrated extract; Filtrate after three extractions is merged, and it is about 1.1 to be concentrated into proportion, is finished product.
It is at fully matured phase not as yet July to early August, stiff and color pastiness maximum the time that puckery persimmon contains the tannin composition.Therefore pluck and generally will during the July to August in every year, carry out.
Product of the present invention can be widely used in industries such as coating, dyestuff, medicine.Finished color is filbert or brown, is transparence, and degree Beaume is 5.The present invention adopts and extracts and abstraction technique, and the tannin component separating in the puckery persimmon is come out, and foreign matter content is low, compares with traditional zymotic technology, and the time is fast, and the output height can effectively solve a large amount of difficult problems of storing of purchase time persimmon.Can save a large amount of fermentation equipment, the production process devices needed is less, therefore takes up an area of and lacks, and cost is low.
Embodiment
(1) selects the many puckery persimmon kinds of tannin content, be chosen in mid-July to early August blue or green persimmon that pluck, immature, stiff.Flat, land and deposit persimmon of a specified duration and can not use.
(2) with cleaning machine blue or green persimmon is cleaned up, drains.Be broken into desired bulk.
(3) ethanol of the hydrochloric acid of concentration 1% and concentration 70% is mixed and made into extracting solution by 1: 1 weight ratio.
(4) persimmon after the fragmentation is put into multi-function extractor, extraordinarily go into extracting solution, be warmed to 80C, be incubated 50 minutes, filter then by 6 of persimmon weight.Filter residue is added extracting solution together enter multi-function extractor again, be warmed to 80C, be incubated 50 minutes, filter; Filter residue after the second extraction is extracted once in the same way more repeatedly, filter.
(5) filtrate after three extractions is merged, refilter, be concentrated into proportion about 1.1.
(6) concentrated solution is put into extractor, extraordinarily go into acetone, be warmed up to 50C, extracted 1 hour, filter then according to 3 of persimmon weight.Filter residue is added acetone together put into extractor again, be warmed up to 50C, extracted 1 hour, filter then; Filter residue behind the reextraction is extracted once in the same way more repeatedly, filter.Acetone is extraordinarily gone into according to 3 of filter residue weight.
(7) concentrated extract; Filtrate after three extractions is merged, be concentrated to 1.1, be finished product.
Made finished product should be put into the sealing of magnetic jar, is placed on shady and cool place and leaves standstill keeping.
Claims (1)
1, a kind of preparation method of persimmon lacquer is characterized in that:
(1) selects the high puckery persimmon of tannin content, tannin component content about 2%; Usually select puckery persimmon immature, the pastiness that hardens for use;
(2) cleaning, fragmentation; Persimmon is cleaned the back go up crusher, add clear water according to 10% of persimmon weight, the bulk of persimmon fragmentation into about 2cm * 3cm;
(3) preparation extracting solution; 's 1: 1 mixed with the ethanol of the hydrochloric acid of concentration 1% and concentration 70% according to weight ratio;
(4) extract; Persimmon piece after the fragmentation and extracting solution are together added in the multi-function extractor, be warmed to about 80C, be incubated about 50 minutes, filter then; The weight of required extracting solution is doubly calculated by the 6-8 of persimmon weight;
(5) secondary, three extractions; Second extraction is that filter residue and extracting solution after extracting are together added multi-function extractor, is warmed to about 80C, is incubated 50 minutes, filters; Three extractions are that the filter residue after the second extraction is extracted processing once again according to the method for second extraction; The weight of extracting solution is all doubly calculated by the 6-8 of filter residue weight;
(6) concentrated filtrate; Filtrate after three extractions is merged, refilter, be concentrated into proportion about 1.1;
(7) extraction joins the concentrated solution after concentrating in the extractor, extraordinarily goes into acetone according to the 2-3 of persimmon weight, is warmed up to about 50C, extracts 1 hour, then filtration;
(8) secondary, three extractions, reextraction is that the filter residue after the extraction is joined in the extractor, extraordinarily goes into acetone according to the 2-3 of filter residue weight, is warmed up to about 50C, extracted 1 hour, and after-filtration; Three extractions are that extraction treatment is once again according to the method for reextraction with the filter residue behind the reextraction;
(9) concentrated extract; Filtrate after three extractions is merged, and it is about 1.1 to be concentrated into proportion, is finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100552393A CN101298539B (en) | 2008-06-19 | 2008-06-19 | Preparation of persimmon paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100552393A CN101298539B (en) | 2008-06-19 | 2008-06-19 | Preparation of persimmon paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101298539A true CN101298539A (en) | 2008-11-05 |
| CN101298539B CN101298539B (en) | 2011-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100552393A Expired - Fee Related CN101298539B (en) | 2008-06-19 | 2008-06-19 | Preparation of persimmon paint |
Country Status (1)
| Country | Link |
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| CN (1) | CN101298539B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031482A (en) * | 2013-03-06 | 2014-09-10 | 山西鑫山生物工程集团有限公司 | Environment friendly persimmon base membrane |
| CN109593108A (en) * | 2019-01-23 | 2019-04-09 | 西北农林科技大学 | The extraction separation method of high-purity persimmon tannin |
| CN114806410A (en) * | 2021-01-21 | 2022-07-29 | 肖清风 | Method for preparing persimmon paint |
-
2008
- 2008-06-19 CN CN2008100552393A patent/CN101298539B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031482A (en) * | 2013-03-06 | 2014-09-10 | 山西鑫山生物工程集团有限公司 | Environment friendly persimmon base membrane |
| CN109593108A (en) * | 2019-01-23 | 2019-04-09 | 西北农林科技大学 | The extraction separation method of high-purity persimmon tannin |
| CN109593108B (en) * | 2019-01-23 | 2021-10-26 | 西北农林科技大学 | Method for extracting and separating high-purity persimmon tannin |
| CN114806410A (en) * | 2021-01-21 | 2022-07-29 | 肖清风 | Method for preparing persimmon paint |
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| Publication number | Publication date |
|---|---|
| CN101298539B (en) | 2011-06-01 |
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