CN109320633A - A kind of Novel latex curing agent and its curing method - Google Patents
A kind of Novel latex curing agent and its curing method Download PDFInfo
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- CN109320633A CN109320633A CN201810784282.7A CN201810784282A CN109320633A CN 109320633 A CN109320633 A CN 109320633A CN 201810784282 A CN201810784282 A CN 201810784282A CN 109320633 A CN109320633 A CN 109320633A
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- 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
- C08C1/14—Coagulation
- C08C1/15—Coagulation characterised by the coagulants used
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Abstract
The invention discloses a kind of Novel latex curing agent, sodium hydrogensulfite, sulphonyl amino acid, benzyq carbamate, sorbic acid, citric acid, glacial acetic acid and carbocisteine are contained in the raw material of the latex cure agent；The mass parts ratio of above-mentioned each raw material are as follows: 1.0 ~ 3.0 parts of sodium hydrogensulfite, 1.0 ~ 2.0 parts of sulphonyl amino acid, 1.5 ~ 2.2 parts of benzyq carbamate, 1.0 ~ 3.0 parts of sorbic acid, 2.0 ~ 5.0 parts of citric acid, 6.5 ~ 8.0 parts of glacial acetic acid, 0.005 ~ 0.008 part of carbocisteine.Sulphonyl amino acid and benzyq carbamate is added in the present invention in latex cure agent, and under the alkaline environment of natural emulsion, curing rate is fast, and has no toxic side effect；Curing agent is added in latex, and curing time is short, foreshortens to 2h, and does not influence latex quality；Raw material selected by latex cure agent is pollution-free and without sharp aroma, and from a wealth of sources, and at low cost, preparation method is simple, easy to use.
Description
Technical field
The present invention relates to technical field of processing dairy products, and in particular to a kind of Novel latex curing agent and its curing method.
Background technique
It is mostly used ammonium hydroxide currently on the market and solidifies natural emulsion, still, ammonium hydroxide is not only toxic also seriously to pollute air, addition
Into natural emulsion, natural emulsion quality is caused to decline, dry rubber content reduces, and is unfavorable for industrialized production.In addition, nowadays government
Requirement of the department to environmental protection is higher and higher, and the curing agent product of ammonium hydroxide class is increasingly unable to satisfy use demand.Also have in the market
Using formic acid as natural emulsion curing agent, but formic acid also will affect the quality of natural emulsion, and pollute environment, when solidification
Between it is long, reach 10 hours, therefore there is an urgent need to a kind of curing agent of safety non-pollution, should can guarantee the matter of natural emulsion
Amount, but it is easy to use.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of Novel latex curing agent and its solidification sides
Method, selected latex cure agent raw material is environmentally friendly, does not pollute the environment, and can guarantee the quality of natural emulsion, solidification
Method is simple and the time is short.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of Novel latex curing agent contains sodium hydrogensulfite, sulphonyl amino acid, amino in the raw material of the latex cure agent
Benzyl formate, sorbic acid, citric acid, glacial acetic acid and carbocisteine；The mass parts ratio of above-mentioned each raw material are as follows: sodium hydrogensulfite
1.0~3.0 parts, 1.0~2.0 parts of sulphonyl amino acid, 1.5~2.2 parts of benzyq carbamate, 1.0~3.0 parts of sorbic acid, citric acid
2.0~5.0 parts, 6.5~8.0 parts of glacial acetic acid, 0.005~0.008 part of carbocisteine.
Preferably, the mass parts ratio for the raw material that the latex cure agent contains are as follows: 1.0 parts of sodium hydrogensulfite, sulphonyl
1.0 parts of amino acid, 1.5 parts of benzyq carbamate, 1.0 parts of sorbic acid, 2.0 parts of citric acid, 6.5 parts of glacial acetic acid, carbocisteine
0.005 part.
Preferably, the mass parts ratio for the raw material that the latex cure agent contains are as follows: 1.5 parts of sodium hydrogensulfite, sulphonyl
1.25 parts of amino acid, 1.7 parts of benzyq carbamate, 1.5 parts of sorbic acid, 2.5 parts of citric acid, 6.8 parts of glacial acetic acid, carbocisteine
0.006 part.
Preferably, the mass parts ratio for the raw material that the latex cure agent contains are as follows: 2.0 parts of sodium hydrogensulfite, sulphonyl
1.5 parts of amino acid, 1.8 parts of benzyq carbamate, 2.0 parts of sorbic acid, 3.0 parts of citric acid, 7.0 parts of glacial acetic acid, carbocisteine
0.0065 part.
Preferably, the mass parts ratio for the raw material that the latex cure agent contains are as follows: 3.0 parts of sodium hydrogensulfite, sulphonyl
2.0 parts of amino acid, 2.2 parts of benzyq carbamate, 3.0 parts of sorbic acid, 5.0 parts of citric acid, 8.0 parts of glacial acetic acid, carbocisteine
0.008 part.
Preferably, the mass parts ratio for the raw material that the latex cure agent contains are as follows: 2.5 parts of sodium hydrogensulfite, sulphonyl
1.8 parts of amino acid, 2.0 parts of benzyq carbamate, 2.5 parts of sorbic acid, 4.0 parts of citric acid, 7.5 parts of glacial acetic acid, carbocisteine
0.007 part.
A kind of curing method of Novel latex curing agent contains sodium hydrogensulfite, sulphur in the raw material of the latex cure agent
Amic acid, benzyq carbamate, sorbic acid, citric acid, glacial acetic acid and carbocisteine；The mass parts ratio of above-mentioned each raw material are as follows:
1.0~3.0 parts of sodium hydrogensulfite, 1.0~2.0 parts of sulphonyl amino acid, 1.5~2.2 parts of benzyq carbamate, sorbic acid 1.0~3.0
Part, 2.0~5.0 parts of citric acid, 6.5~8.0 parts of glacial acetic acid, 0.005~0.008 part of carbocisteine；
Curing method the following steps are included:
S1: by the above raw material sodium hydrogensulfite, sulphonyl amino acid, benzyq carbamate, sorbic acid, citric acid, glacial acetic acid and
Carbocisteine is uniformly mixed according to mass fraction than being added into stirring pool；
S2: mixed solution side stirring prepared by step S1 is just added in 1000 parts of natural emulsion, it is equal to continue stirring
It is even, obtain solidification latex.
The invention has the beneficial effects that: a kind of Novel latex curing agent of the invention and curing method,
Sodium hydrogensulfite is added in latex cure agent, alkalescent not only neutralizes the acid in latex raw material, also slows down latex
Oxidation, while also play the role of inhibit bacterium；
Sulphonyl amino acid and benzyq carbamate are added in latex cure agent, (PH is about under the alkaline environment of natural emulsion
7.2), accelerate curing rate, and there is no toxic side effect.
Latex cure agent is added in natural emulsion, and curing time is short, foreshortens to 2h, and does not influence latex quality；Latex
Raw material selected by curing agent is pollution-free and without sharp aroma, and from a wealth of sources, and at low cost, preparation method is simple, user
Just.
Specific embodiment
Below in conjunction with detailed description of the invention by specific embodiments.
Embodiment 1:
A kind of Novel latex curing agent contains sodium hydrogensulfite, sulphonyl amino acid, amino in the raw material of the latex cure agent
Benzyl formate, sorbic acid, citric acid, glacial acetic acid and carbocisteine；The mass parts ratio of above-mentioned each raw material are as follows: sodium hydrogensulfite
1.0~3.0 parts, 1.0~2.0 parts of sulphonyl amino acid, 1.5~2.2 parts of benzyq carbamate, 1.0~3.0 parts of sorbic acid, citric acid
2.0~5.0 parts, 6.5~8.0 parts of glacial acetic acid, 0.005~0.008 part of carbocisteine；
Curing method the following steps are included:
S1: by the above raw material sodium hydrogensulfite, sulphonyl amino acid, benzyq carbamate, sorbic acid, citric acid, glacial acetic acid and
Carbocisteine is uniformly mixed according to mass fraction than being added into stirring pool；
S2: mixed solution side stirring prepared by step S1 is just added in 1000 parts of natural emulsion, it is equal to continue stirring
It is even, obtain solidification latex.
Embodiment 2:
A kind of Novel latex curing agent contains sodium hydrogensulfite, sulphonyl amino acid, amino in the raw material of the latex cure agent
Benzyl formate, sorbic acid, citric acid, glacial acetic acid and carbocisteine；The mass parts ratio of above-mentioned each raw material are as follows: sodium hydrogensulfite
1.0 parts, 1.0 parts of sulphonyl amino acid, 1.5 parts of benzyq carbamate, 1.0 parts of sorbic acid, 2.0 parts of citric acid, 6.5 parts of glacial acetic acid, carboxylic
Smooth 0.005 part of first department.
The preparation method of the latex cure agent of the present embodiment is referring to 1 curing method step S1 of embodiment；
Mixed solution side stirring prepared by step S1 is just added in 1000 parts of natural emulsion, continues to stir evenly,
Obtain solidification latex.
The curing time of the Novel latex curing agent of the present embodiment is 2.5h, obtains free of contamination clarified whey.
Embodiment 3:
A kind of Novel latex curing agent contains sodium hydrogensulfite, sulphonyl amino acid, amino in the raw material of the latex cure agent
Benzyl formate, sorbic acid, citric acid, glacial acetic acid and carbocisteine；The mass parts ratio of above-mentioned each raw material are as follows: sodium hydrogensulfite
1.5 parts, 1.25 parts of sulphonyl amino acid, 1.7 parts of benzyq carbamate, 1.5 parts of sorbic acid, 2.5 parts of citric acid, 6.8 parts of glacial acetic acid,
0.006 part of carbocisteine.
The preparation method of the latex cure agent of the present embodiment is referring to 1 curing method step S1 of embodiment；
Mixed solution side stirring prepared by step S1 is just added in 1000 parts of natural emulsion, continues to stir evenly,
Obtain solidification latex.
The curing time of the Novel latex curing agent of the present embodiment is 2.2h, obtains free of contamination clarified whey.
Embodiment 4:
A kind of Novel latex curing agent, sodium hydrogensulfite, sulphonyl amino acid, ammonia are contained in the raw material of the latex cure agent
Base benzyl formate, sorbic acid, citric acid, glacial acetic acid and carbocisteine；The mass parts ratio of above-mentioned each raw material is sodium hydrogensulfite
2.0 parts, 1.5 parts of sulphonyl amino acid, 1.8 parts of benzyq carbamate, 2.0 parts of sorbic acid, 3.0 parts of citric acid, 7.0 parts of glacial acetic acid, carboxylic
Smooth 0.0065 part of first department.
The preparation method of the latex cure agent of the present embodiment is referring to 1 curing method step S1 of embodiment；
Mixed solution side stirring prepared by step S1 is just added in 1000 parts of natural emulsion, continues to stir evenly,
Obtain solidification latex.
The curing time of the Novel latex curing agent of the present embodiment is 2.0h, obtains free of contamination clarified whey.
Embodiment 5:
A kind of Novel latex curing agent contains sodium hydrogensulfite, sulphonyl amino acid, amino in the raw material of the latex cure agent
Benzyl formate, sorbic acid, citric acid, glacial acetic acid and carbocisteine；The mass parts ratio of above-mentioned each raw material are as follows: sodium hydrogensulfite
3.0 parts, 2.0 parts of sulphonyl amino acid, 2.2 parts of benzyq carbamate, 3.0 parts of sorbic acid, 5.0 parts of citric acid, 8.0 parts of glacial acetic acid, carboxylic
Smooth 0.008 part of first department.
The preparation method of the latex cure agent of the present embodiment is referring to 1 curing method step S1 of embodiment；
Mixed solution side stirring prepared by step S1 is just added in 1000 parts of natural emulsion, continues to stir evenly,
Obtain solidification latex.
The curing time of the Novel latex curing agent of the present embodiment is 2.0h, obtains free of contamination clarified whey.
Embodiment 6:
A kind of Novel latex curing agent contains sodium hydrogensulfite, sulphonyl amino acid, amino in the raw material of the latex cure agent
Benzyl formate, sorbic acid, citric acid, glacial acetic acid and carbocisteine；The mass parts ratio of above-mentioned each raw material are as follows: sodium hydrogensulfite
2.5 parts, 1.8 parts of sulphonyl amino acid, 2.0 parts of benzyq carbamate, 2.5 parts of sorbic acid, 4.0 parts of citric acid, 7.5 parts of glacial acetic acid, carboxylic
Smooth 0.007 part of first department.
The preparation method of the latex cure agent of the present embodiment is referring to 1 curing method step S1 of embodiment；
Mixed solution side stirring prepared by step S1 is just added in 1000 parts of natural emulsion, continues to stir evenly,
Obtain solidification latex.
The curing time of the Novel latex curing agent of the present embodiment is 2.0h, obtains free of contamination clarified whey.
In conclusion compared to curing agent common on the market, curing time is up to 10h, by above several embodiments pair
Novel latex curing agent is added to the test discovery of the curing time in natural emulsion, and curing time greatly shortens, only 2 hours left sides
The right side, and have no irritating odor, natural emulsion will not be destroyed, is obtained by the curing time that embodiment 2~4 is tested, with raw material
The increase of mass parts ratio, curing time are gradually shortened, and shorten to 2h by 2.5h, and pass through number shown by embodiment 4~6
From the point of view of, curing agent is continued growing, curing time is still 2h, therefore comprehensively considers curing time and economic input cost, real
The material quality number ratio for applying example 4 is optimum proportioning.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (7)
1. a kind of Novel latex curing agent, it is characterised in that: contain sodium hydrogensulfite, sulphonyl in the raw material of the latex cure agent
Amino acid, benzyq carbamate, sorbic acid, citric acid, glacial acetic acid and carbocisteine；The mass parts ratio of above-mentioned each raw material are as follows: sub-
1.0 ~ 3.0 parts of sodium bisulfate, 1.0 ~ 2.0 parts of sulphonyl amino acid, 1.5 ~ 2.2 parts of benzyq carbamate, 1.0 ~ 3.0 parts of sorbic acid, lemon
2.0 ~ 5.0 parts of lemon acid, 6.5 ~ 8.0 parts of glacial acetic acid, 0.005 ~ 0.008 part of carbocisteine.
2. a kind of Novel latex curing agent according to claim 1, it is characterised in that: what the latex cure agent contained
The mass parts ratio of raw material are as follows: 1.0 parts of sodium hydrogensulfite, 1.0 parts of sulphonyl amino acid, 1.5 parts of benzyq carbamate, sorbic acid 1.0
Part, 2.0 parts of citric acid, 6.5 parts of glacial acetic acid, 0.005 part of carbocisteine.
3. a kind of Novel latex curing agent according to claim 1, it is characterised in that: what the latex cure agent contained
The mass parts ratio of raw material are as follows: 1.5 parts of sodium hydrogensulfite, 1.25 parts of sulphonyl amino acid, 1.7 parts of benzyq carbamate, sorbic acid 1.5
Part, 2.5 parts of citric acid, 6.8 parts of glacial acetic acid, 0.006 part of carbocisteine.
4. a kind of Novel latex curing agent according to claim 1, it is characterised in that: what the latex cure agent contained
The mass parts ratio of raw material are as follows: 2.0 parts of sodium hydrogensulfite, 1.5 parts of sulphonyl amino acid, 1.8 parts of benzyq carbamate, sorbic acid 2.0
Part, 3.0 parts of citric acid, 7.0 parts of glacial acetic acid, 0.0065 part of carbocisteine.
5. a kind of Novel latex curing agent according to claim 1, it is characterised in that: what the latex cure agent contained
The mass parts ratio of raw material are as follows: 3.0 parts of sodium hydrogensulfite, 2.0 parts of sulphonyl amino acid, 2.2 parts of benzyq carbamate, sorbic acid 3.0
Part, 5.0 parts of citric acid, 8.0 parts of glacial acetic acid, 0.008 part of carbocisteine.
6. a kind of Novel latex curing agent according to claim 1, it is characterised in that: what the latex cure agent contained
The mass parts ratio of raw material are as follows: 2.5 parts of sodium hydrogensulfite, 1.8 parts of sulphonyl amino acid, 2.0 parts of benzyq carbamate, sorbic acid 2.5
Part, 4.0 parts of citric acid, 7.5 parts of glacial acetic acid, 0.007 part of carbocisteine.
7. a kind of curing method of Novel latex curing agent, it is characterised in that: contain sulfurous in the raw material of the latex cure agent
Sour hydrogen sodium, sulphonyl amino acid, benzyq carbamate, sorbic acid, citric acid, glacial acetic acid and carbocisteine；The quality of above-mentioned each raw material
Portion rate are as follows: 1.0 ~ 3.0 parts of sodium hydrogensulfite, 1.0 ~ 2.0 parts of sulphonyl amino acid, 1.6 ~ 2.0 parts of benzyq carbamate, sorbic acid
1.0 ~ 3.0 parts, 2.0 ~ 5.0 parts of citric acid, 6.5 ~ 7.5 parts of glacial acetic acid, 0.005 ~ 0.008 part of carbocisteine；
Curing method the following steps are included:
S1: by the above raw material sodium hydrogensulfite, sulphonyl amino acid, benzyq carbamate, sorbic acid, citric acid, glacial acetic acid and carboxylic first
Take charge of it is smooth, according to mass fraction than be added into stirring pool, be uniformly mixed；
S2: mixed solution side stirring prepared by step S1 is just added in 1000 parts of natural emulsion, continues to stir evenly, obtain
Latex must be solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784282.7A CN109320633A (en) | 2018-07-17 | 2018-07-17 | A kind of Novel latex curing agent and its curing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784282.7A CN109320633A (en) | 2018-07-17 | 2018-07-17 | A kind of Novel latex curing agent and its curing method |
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| CN109320633A true CN109320633A (en) | 2019-02-12 |
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| CN201810784282.7A Pending CN109320633A (en) | 2018-07-17 | 2018-07-17 | A kind of Novel latex curing agent and its curing method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5744550A (en) * | 1994-11-03 | 1998-04-28 | Basf Corporation | Curable coating compositions containing carbamate additives |
| CN103214599A (en) * | 2013-04-28 | 2013-07-24 | 北京天一瑞博生物科技有限公司 | Natural latex biological curing agent and curing method thereof |
| CN104558712A (en) * | 2015-01-07 | 2015-04-29 | 王向前 | Biological curing agent for natural rubber latex |
-
2018
- 2018-07-17 CN CN201810784282.7A patent/CN109320633A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5744550A (en) * | 1994-11-03 | 1998-04-28 | Basf Corporation | Curable coating compositions containing carbamate additives |
| CN103214599A (en) * | 2013-04-28 | 2013-07-24 | 北京天一瑞博生物科技有限公司 | Natural latex biological curing agent and curing method thereof |
| CN104558712A (en) * | 2015-01-07 | 2015-04-29 | 王向前 | Biological curing agent for natural rubber latex |
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Application publication date: 20190212 |
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