CN107236060B - Rubber acquires and guarantor property method - Google Patents
Rubber acquires and guarantor property method Download PDFInfo
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- CN107236060B CN107236060B CN201710590859.6A CN201710590859A CN107236060B CN 107236060 B CN107236060 B CN 107236060B CN 201710590859 A CN201710590859 A CN 201710590859A CN 107236060 B CN107236060 B CN 107236060B
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- rubber
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- latex
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/06—Preservation of rubber latex
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/10—Tapping of tree-juices, e.g. caoutchouc, gum
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/262—Alkali metal carbonates
Abstract
The present invention relates to rubber materials more particularly to a kind of acquisition of rubber and guarantor property methods.This method is handled using conditioning agent first, can just reduce the content of mushroom while stimulating rubber tree dumping from source, is used stabilizer and the agent of guarantor property stage by stage, is just adequately protected when latex being made to be flowed out from tree, keeps the good performance of rubber latex.This method is easy to operate, and the rubber latex obtained after the method for the present invention is handled still maintains the good appearance character such as good color and smell, and volatile fatty acid number is relatively low, does not occur corruption phenomenon.
Description
Technical field
The present invention relates to rubber materials more particularly to a kind of acquisition of rubber and guarantor property methods.
Background technology
In rubber latex in addition to rubber hydrocarbon, also contain the nonrubber materials such as sucrose, protein.Sucrose in gum latex dust supplies
It is closely related with the yield of Heveatex to measuring, but sucrose in latex but be bacteria metabolism primary carbon source.It is micro-
Biology decomposes the sucrose in Heveatex by the hydrolase of itself, generates the volatile fatty acids such as formic acid, acetic acid, propionic acid, makes
The pH value of Heveatex reduces, and the stability of latex is destroyed, so as to cause the perishable corruption of rubber electrodes.Therefore, natural gum is reduced
Cane sugar content in breast can effectively inhibit the metabolic activity of microorganism, control the formation of volatile fatty acid, improve natural gum
The stability of breast.After centrifugal concentrating, sucrose is as the high-dissolvability hydrotrope, although a part is centrifuged off with whey,
But still some is remained in concentrated latex, is utilized by microorganism, and latex quality is destroyed.
The acquisition of rubber glue from tapping rubber to receiving usually requires cost 4~7 hours, and rubber latex just will appear in the process
The variation of performance is to ammoniate to preserve after rubber latex acquisition, then be transported to factory's solidification, often ignores in the prior art
The processing of guarantor property is carried out in rubber gatherer process.It still cannot reach good effect for the processing of guarantor's property of rubber latex at present.
Invention content
For in place of the above the deficiencies in the prior art, a kind of rubber of present invention offer acquires and guarantor property method, this method behaviour
Make simply, the rubber latex obtained after the method for the present invention is handled can keep good quality.
The technical solution adopted by the present invention is as follows：
Rubber acquires and guarantor property method, includes the following steps：
(1) rubber tree applies conditioning agent；
(2) before rubber latex acquisition, stabilizer is placed in the collection vessel of rubber latex, latex is made to flow into collector
It is slowly mixed together with stabilizer when ware；
(3) after rubber latex acquisition, the agent of guarantor property is added in latex, is uniformly mixed, concentrates, preserves.
Preferably, the conditioning agent includes the component of following parts by weight：2~3 parts of ammonium molybdate, 0.5~1 part of ammonium chloride,
0.12~0.25 part of borax, 1~3 part of glycerine, 17~20 parts of the ethephon (CEPHA),2-(chloroethyl) phosphonic acid stoste that content is 40%~60%.
Preferably, the stabilizer includes the component of following parts by weight：10~12 parts of potassium ferrocyanide, sodium pyrosulfite
5~7 parts, 0.5~1.5 part of lauryl sodium sulfate, 1~3 part of anesin, 5~8 parts of sodium carbonate.
Preferably, the guarantor property agent includes the component of following parts by weight：10~14 parts of sodium sulfite, P-hydroxybenzoic acid first
2~5 parts of ester, 0.1~1.5 part of calcium hydroxide, 1.4~2.5 parts of five hydrated sodium silicate, 2~6 parts of chitosan, citric acid 10~12
Part, 5~7 parts of vitamin C, 10~15 parts of sodium benzoate, 0.5~1.2 part of potassium sorbate, 3~5 parts of lemon yellow, lecithin 8~
10 parts, 0.3~1 part of salicylic acid.
Preferably, the conditioning agent includes the component of following parts by weight：2 parts of ammonium molybdate, 0.5 part of ammonium chloride, borax
0.12 part, 1 part of glycerine, 17 parts of the ethephon (CEPHA),2-(chloroethyl) phosphonic acid stoste that content is 40%.
Preferably, the stabilizer includes the component of following parts by weight：10 parts of potassium ferrocyanide, 7 parts of sodium pyrosulfite,
0.5 part of lauryl sodium sulfate, 3 parts of anesin, 5 parts of sodium carbonate.
Preferably, the guarantor property agent includes the component of following parts by weight：10 parts of sodium sulfite, methyl p-hydroxybenzoate 3
Part, 1 part of calcium hydroxide, 2 parts of five hydrated sodium silicate, 3 parts of chitosan, 12 parts of citric acid, 5 parts of vitamin C, 12 parts of sodium benzoate,
0.9 part of potassium sorbate, 3 parts of lemon yellow, 8 parts of lecithin, 1 part of salicylic acid.
Compared with prior art, the beneficial effects of the invention are as follows：
This method is handled using conditioning agent first, and mushroom can be just reduced from source while stimulating rubber tree dumping
Content, stage by stage use stabilizer and protect property agent, be just adequately protected when latex being made flow out from tree, reduction microorganism pair
The decomposition of rubber prevents smelly equal corruption phenomenon of turning sour, keeps the good performance of rubber latex.This method operation letter
Single, the rubber latex obtained after the method for the present invention is handled still maintains good color and smell after preserving 90 days, waves
Hair property fatty acid value is relatively low, does not occur corruption phenomenon.
Specific implementation mode
The invention will now be further described with reference to specific embodiments, the advantages and features of the present invention will be with description and
It is apparent, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1：
Rubber acquires and guarantor property method, includes the following steps：
(1) rubber tree applies conditioning agent；
(2) before rubber latex acquisition, stabilizer is placed in the collection vessel of rubber latex, latex is made to flow into collector
It is slowly mixed together with stabilizer when ware；
(3) after rubber latex acquisition, the agent of guarantor property is added in latex, is uniformly mixed, concentrates, preserves.
The conditioning agent includes the component of following parts by weight：It is 2 parts of ammonium molybdate, 0.5 part of ammonium chloride, 0.12 part of borax, sweet
1 part of oil, 17 parts of the ethephon (CEPHA),2-(chloroethyl) phosphonic acid stoste that content is 40%.
The stabilizer includes the component of following parts by weight：10 parts of potassium ferrocyanide, 7 parts of sodium pyrosulfite, dodecane
0.5 part of base sodium sulphate, 3 parts of anesin, 5 parts of sodium carbonate.
The guarantor property agent includes the component of following parts by weight：10 parts of sodium sulfite, 3 parts of methyl p-hydroxybenzoate, hydrogen-oxygen
Change 1 part of calcium, 2 parts of five hydrated sodium silicate, 3 parts of chitosan, 12 parts of citric acid, 5 parts of vitamin C, 12 parts of sodium benzoate, potassium sorbate
0.9 part, 3 parts of lemon yellow, 8 parts of lecithin, 1 part of salicylic acid.
Embodiment 2：
Rubber acquires and guarantor property method, includes the following steps：It is same as Example 1.
The conditioning agent includes the component of following parts by weight：3 parts of ammonium molybdate, 1 part of ammonium chloride, 0.25 part of borax, glycerine 3
Part, 20 parts of the ethephon (CEPHA),2-(chloroethyl) phosphonic acid stoste that content is 60%.
The stabilizer includes the component of following parts by weight：12 parts of potassium ferrocyanide, 5 parts of sodium pyrosulfite, dodecane
1.5 parts of base sodium sulphate, 1 part of anesin, 8 parts of sodium carbonate.
The guarantor property agent includes the component of following parts by weight：14 parts of sodium sulfite, 2 parts of methyl p-hydroxybenzoate, hydrogen-oxygen
Change 0.1 part of calcium, 2.5 parts of five hydrated sodium silicate, 2 parts of chitosan, 12 parts of citric acid, 7 parts of vitamin C, 15 parts of sodium benzoate, mountain
1.2 parts of potassium sorbate, 3 parts of lemon yellow, 10 parts of lecithin, 0.3 part of salicylic acid.
Embodiment 3：
Rubber acquires and guarantor property method, includes the following steps：It is same as Example 1.
The conditioning agent includes the component of following parts by weight：2.5 parts of ammonium molybdate, 0.6 part of ammonium chloride, 0.20 part of borax,
2 parts of glycerine, 18 parts of the ethephon (CEPHA),2-(chloroethyl) phosphonic acid stoste that content is 50%.
The stabilizer includes the component of following parts by weight：11 parts of potassium ferrocyanide, 6 parts of sodium pyrosulfite, dodecane
0.8 part of base sodium sulphate, 2 parts of anesin, 6 parts of sodium carbonate.
The guarantor property agent includes the component of following parts by weight：11 parts of sodium sulfite, 3 parts of methyl p-hydroxybenzoate, hydrogen-oxygen
Change 0.7 part of calcium, 1.6 parts of five hydrated sodium silicate, 5 parts of chitosan, 11 parts of citric acid, 6 parts of vitamin C, 12 parts of sodium benzoate, mountain
1 part of potassium sorbate, 4 parts of lemon yellow, 9 parts of lecithin, 0.8 part of salicylic acid.
Embodiment 4：
Rubber acquires and guarantor property method, includes the following steps：It is same as Example 1.
The conditioning agent includes the component of following parts by weight：It is same as Example 1.
The stabilizer includes the component of following parts by weight：It is same as Example 2.
Guarantor's property agent includes the component of following parts by weight：It is same as Example 3.
Embodiment 5：
Rubber acquires and guarantor property method, includes the following steps：It is same as Example 1.
The conditioning agent includes the component of following parts by weight：It is same as Example 2.
The stabilizer includes the component of following parts by weight：It is same as Example 1.
Guarantor's property agent includes the component of following parts by weight：It is same as Example 1.
Embodiment 6：
Rubber acquires and guarantor property method, includes the following steps：It is same as Example 1.
The conditioning agent includes the component of following parts by weight：It is same as Example 3.
The stabilizer includes the component of following parts by weight：It is same as Example 3.
Guarantor's property agent includes the component of following parts by weight：It is same as Example 2.
Comparative example 1：
Rubber acquires and guarantor property method, includes the following steps：It is same as Example 1.
The conditioning agent includes the component of following parts by weight：0.2 part of ammonium molybdate, 0.2 part of ammonium chloride, 1 part of borax, glycerine
0.5 part, 50 parts of the ethephon (CEPHA),2-(chloroethyl) phosphonic acid stoste that content is 60%.
The stabilizer includes the component of following parts by weight：5 parts of potassium ferrocyanide, 2 parts of sodium pyrosulfite, dodecyl
0.1 part of sodium sulphate, 10 parts of anesin, 15 parts of sodium carbonate.
The guarantor property agent includes the component of following parts by weight：5 parts of sodium sulfite, 1 part of methyl p-hydroxybenzoate, hydroxide
10 parts of calcium, 10 parts of five hydrated sodium silicate, shell be 12 parts poly-, 2 parts of citric acid, 1 part of vitamin C, 2 parts of sodium benzoate, potassium sorbate 10
Part, 15 parts of lemon yellow, 2 parts of lecithin, 10 parts of salicylic acid.
Comparative example 2：
Rubber acquires and guarantor property method, includes the following steps：It is same as Example 1.
(1) rubber tree applies conditioning agent；
(2) before rubber latex acquisition, stabilizer is placed in the collection vessel of rubber latex, latex is made to flow into collector
It is slowly mixed together with stabilizer when ware；
(3) after rubber latex acquisition, the agent of guarantor property is added in latex, is uniformly mixed, concentrates, preserves.
The conditioning agent includes the component of following parts by weight：10 parts of ammonium molybdate, 5 parts of ammonium chloride, 0.1 part of borax, glycerine 7
Part, 10 parts of the ethephon (CEPHA),2-(chloroethyl) phosphonic acid stoste that content is 40%.
The stabilizer includes the component of following parts by weight：15 parts of potassium ferrocyanide, 10 parts of sodium pyrosulfite, dodecane
5 parts of base sodium sulphate, 0.5 part of anesin, 2 parts of sodium carbonate.
The guarantor property agent includes the component of following parts by weight：20 parts of sodium sulfite, 10 parts of methyl p-hydroxybenzoate, hydrogen-oxygen
Change 0.1 part of calcium, 1 part of five hydrated sodium silicate, 1 part of chitosan, 15 parts of citric acid, 10 parts of vitamin C, 20 parts of sodium benzoate, sorb
0.2 part of sour potassium, 2 parts of lemon yellow, 15 parts of lecithin, 0.2 part of salicylic acid.
Comparative example 3：
Rubber acquires and guarantor property method, includes the following steps：It is same as Example 1.
The conditioning agent includes the component of following parts by weight：2 parts of ammonium molybdate, 0.12 part of borax, the second that content is 40%
17 parts of alkene profit stoste.
The stabilizer includes the component of following parts by weight：10 parts of potassium ferrocyanide, 7 parts of sodium pyrosulfite, to hydroxyl
3 parts of ethyl benzoate, 5 parts of sodium bicarbonate.
The guarantor property agent includes the component of following parts by weight：14 parts of sodium hydrogensulfite, 2 parts of methyl p-hydroxybenzoate, five
2.5 parts of hydrated sodium silicate, 2 parts of chitosan, 12 parts of sodium citrate, 15 parts of sodium benzoate, 10 parts of lecithin, 0.3 part of salicylic acid.
Comparative example 4：
Rubber acquires and guarantor property method, includes the following steps：
(1) rubber tree applies conditioning agent；
(2) before rubber latex acquisition, stabilizer is placed in the collection vessel of rubber latex, latex is made to flow into collector
It is slowly mixed together with stabilizer when ware.
The conditioning agent, stabilizer are same as Example 1.
Comparative example 5：
Rubber acquires and guarantor property method, includes the following steps：
(1) rubber tree applies conditioning agent；
(2) after rubber latex acquisition, the agent of guarantor property is added in latex, is uniformly mixed, concentrates, preserves.
The conditioning agent, the agent of guarantor property are same as Example 1.
Experimental example 1：Sensory evaluation
Experimental method：
Examples 1 to 6 of learning from else's experience and comparative example 1~5 preserve 90 days samples after handling, carried out respectively to its color, smell
It investigates, experimental result is shown in Table 1.
Test example 2：Aliphatic ester measures
This item-test is good and bad to judgement latex quality and degree of spoilage is extremely important.The amount of volatile fatty acid refers to neutralization
Potassium hydroxide grams needed for volatile fatty acid in latex containing 100 grams of total solids.
Experimental method：Examples 1 to 6 of learning from else's experience and comparative example 1~5 preserve 90 days samples after handling, with reference to GB8292-
The assay method of volatile fatty acid value is detected in 2008 quality standard, and experimental result is shown in Table 1.
Table 1：Experimental result
The experimental results showed that：Sample in comparative example 1~5 shows faint yellow and rotten egg smell abnormality,
Fatty acid value is more than 0.305, illustrates that the product has gone bad corruption, unusable.The sample of Examples 1 to 6 shows milky
And it is fragrant with the wooden natural tree of rubber, fatty acid value is less than 0.013, and product quality is substantially better than comparative example, the effect of embodiment 1
Fruit is best.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (4)
1. rubber acquires and guarantor property method, which is characterized in that include the following steps：
(1) rubber tree applies conditioning agent；
(2) before rubber latex acquisition, stabilizer is placed in the collection vessel of rubber latex, makes latex when flowing into collection vessel
It is slowly mixed together with stabilizer；
(3) after rubber latex acquisition, the agent of guarantor property is added in latex, is uniformly mixed, concentrates, preserves；
The conditioning agent includes the component of following parts by weight：2~3 parts of ammonium molybdate, 0.5~1 part of ammonium chloride, borax 0.12~
0.25 part, 1~3 part of glycerine, 17~20 parts of the ethephon (CEPHA),2-(chloroethyl) phosphonic acid stoste that content is 40%~60%；
The stabilizer includes the component of following parts by weight：10~12 parts of potassium ferrocyanide, 5~7 parts of sodium pyrosulfite, 12
0.5~1.5 part of sodium alkyl sulfate, 1~3 part of anesin, 5~8 parts of sodium carbonate；
The guarantor property agent includes the component of following parts by weight：10~14 parts of sodium sulfite, 2~5 parts of methyl p-hydroxybenzoate, hydrogen
0.1~1.5 part of calcium oxide, 1.4~2.5 parts of five hydrated sodium silicate, 2~6 parts of chitosan, 10~12 parts of citric acid, vitamin C 5
~7 parts, 10~15 parts of sodium benzoate, 0.5~1.2 part of potassium sorbate, 3~5 parts of lemon yellow, 8~10 parts of lecithin, salicylic acid
0.3~1 part.
2. rubber acquisition according to claim 1 and guarantor property method, which is characterized in that the conditioning agent includes following heavy
Measure the component of part：2 parts of ammonium molybdate, 0.5 part of ammonium chloride, 0.12 part of borax, 1 part of glycerine, the ethephon (CEPHA),2-(chloroethyl) phosphonic acid stoste 17 that content is 40%
Part.
3. rubber acquisition according to claim 1 and guarantor property method, which is characterized in that the stabilizer includes following heavy
Measure the component of part：10 parts of potassium ferrocyanide, 7 parts of sodium pyrosulfite, 0.5 part of lauryl sodium sulfate, 3 parts of anesin, carbon
5 parts of sour sodium.
4. rubber acquisition according to claim 1 and guarantor property method, which is characterized in that guarantor's property agent includes following weight
The component of part：10 parts of sodium sulfite, 3 parts of methyl p-hydroxybenzoate, 1 part of calcium hydroxide, 2 parts of five hydrated sodium silicate, chitosan 3
Part, 12 parts of citric acid, 5 parts of vitamin C, 12 parts of sodium benzoate, 0.9 part of potassium sorbate, 3 parts of lemon yellow, 8 parts of lecithin, bigcatkin willow
1 part of acid.
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| CN201710590859.6A CN107236060B (en) | 2017-07-19 | 2017-07-19 | Rubber acquires and guarantor property method |
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| CN201710590859.6A CN107236060B (en) | 2017-07-19 | 2017-07-19 | Rubber acquires and guarantor property method |
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| CN107236060B true CN107236060B (en) | 2018-10-02 |
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Families Citing this family (1)
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| CN115010988A (en) * | 2022-06-17 | 2022-09-06 | 青岛中科华瑞纳科技有限公司 | Plant milk retention composition for natural rubber latex and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6239253B1 (en) * | 1992-08-05 | 2001-05-29 | Kao Corporation | Deproteinized natural rubber and process for producing the same |
| JP3248978B2 (en) * | 1993-05-13 | 2002-01-21 | 花王株式会社 | Stabilizer for deproteinized natural rubber latex and method for producing stabilized deproteinized natural rubber latex using the same |
| JP5100027B2 (en) * | 2006-04-20 | 2012-12-19 | 株式会社ブリヂストン | Method for producing enzyme-treated natural rubber latex, natural rubber and rubber composition thereof |
| CN102181080B (en) * | 2011-03-04 | 2012-07-25 | 王向前 | Normal temperature preservative for natural rubber latex |
| CN104177515B (en) * | 2014-08-20 | 2016-09-28 | 海南大学 | A kind of environment-friendly type processing method of Heveatex resource hierarchy time complete utilization |
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