CN115404135A - Rubber blanket reducing agent and preparation method and application thereof - Google Patents
Rubber blanket reducing agent and preparation method and application thereof Download PDFInfo
- Publication number
- CN115404135A CN115404135A CN202211121011.6A CN202211121011A CN115404135A CN 115404135 A CN115404135 A CN 115404135A CN 202211121011 A CN202211121011 A CN 202211121011A CN 115404135 A CN115404135 A CN 115404135A
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- China
- Prior art keywords
- reducing agent
- weight
- parts
- blanket
- cellulose
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/28—Organic compounds containing halogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N3/00—Preparing for use and conserving printing surfaces
- B41N3/06—Preparing for use and conserving printing surfaces by use of detergents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/268—Carbohydrates or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/50—Solvents
- C11D7/5004—Organic solvents
- C11D7/5022—Organic solvents containing oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Inorganic Chemistry (AREA)
- Molecular Biology (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention discloses a rubber blanket reducing agent, and a preparation method and application thereof. The rubber blanket reducing agent comprises the following components: a carboxylate; a thiourea-containing compound; a sulfate salt; cellulose; a solvent; the blanket reducing agent has a pH greater than 7. The rubber blanket reducing agent has good reducibility and is very stable.
Description
Technical Field
The invention relates to the technical field of printing, in particular to a rubber blanket reducing agent, and a preparation method and application thereof.
Background
Printing blanket is made by special fabrics of multilayer and synthetic rubber compound, and at the printing in-process, the blanket is undertaken with the transfer function on the accurate mistake ground rendition paper of picture and text information on the printing plate, and the blanket has effective compressive property, the restoring force is fast, the stickness is strong, do not keep the characteristics of any thing that pastes, makes the printing ink conveying no matter the site or full version more stable, this transfer unit of blanket, if few blanket in printing process, the printing just can't be accomplished.
However, as the blanket is used, paper dust, ink flakes and other dirt are accumulated on the blanket, the printability is gradually reduced, the quality of printed matters is also reduced, and the blanket needs to be cleaned by a reducing agent in time. However, the existing blanket reducing agents do not work well.
Therefore, a new blanket reducing agent is urgently needed to solve the above problems.
Disclosure of Invention
The first technical problem to be solved by the invention is as follows:
a blanket reducing agent is provided.
The second technical problem to be solved by the invention is:
a method for preparing the blanket reducing agent is provided.
The third technical problem to be solved by the invention is:
use of the blanket reducing agent.
In order to solve the first technical problem, the technical scheme adopted by the invention is as follows:
a blanket reducing agent comprising the following components:
a carboxylate;
a thiourea-containing compound;
a sulfate salt;
cellulose;
a solvent;
the blanket reducing agent has a pH greater than 7.
According to the embodiment of the invention, one of the technical schemes has at least one of the following advantages or beneficial effects:
1. on the basis that the pH of the system is adjusted to be more than 7, the hydrolysis of the thiourea-containing compound can be inhibited to a certain extent, and the reduction of the system is avoided.
2. The carboxylate can relieve the hydrolysis of the thiourea compound to a certain extent, and the reduction of the content of the thiourea compound is avoided.
3. The cellulose is capable of maintaining the stability of the blanket reducing agent.
According to one embodiment of the invention, the blanket reducing agent comprises the following components in parts by weight:
10-20 parts by weight of a carboxylate;
15 to 40 parts by weight of a thiourea-containing compound;
3-5 parts by weight of sulfate;
2-12 parts by weight of cellulose;
80-120 parts by weight of a solvent.
According to one embodiment of the invention, the carboxylate comprises at least one of a mono-carboxylate, a di-carboxylate and derivatives thereof.
According to one embodiment of the invention, the monocarboxylic acid salt comprises at least one of a trifluoroacetate salt and a dodecanoic acid.
According to one embodiment of the invention, the sulfate salt comprises at least one of sodium hydrosulfite and sodium metabisulfite.
According to one embodiment of the invention, the cellulose comprises at least one of hydroxymethyl cellulose and carboxymethyl cellulose.
According to one embodiment of the invention, the solvent comprises water and an organic solvent.
According to one embodiment of the invention, the organic solvent comprises at least one of ethanol, acetone and diethyl ether.
In order to solve the second technical problem, the invention adopts the technical scheme that:
a method of making the blanket reducing agent, comprising the steps of:
mixing the carboxylate, the thiourea-containing compound, the sulfate, and the cellulose in a solvent to obtain a mixture, and adjusting the pH of the mixture to be greater than 7 to obtain the blanket reducing agent.
In another aspect, the invention also relates to the application of the blanket reducing agent in the preparation of the ink packaging bag. Comprising a printing blanket as described above in relation to the embodiment of aspect 1. Since this application employs all the technical solutions of the printing blanket of the above embodiment, it has at least all the advantageous effects brought by the technical solutions of the above embodiments.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
In the description of the present invention, if there are first, second, etc. described, it is only for the purpose of distinguishing technical features, and it is not understood that relative importance is indicated or implied or that the number of indicated technical features is implicitly indicated or that the precedence of the indicated technical features is implicitly indicated.
In the description of the present invention, it should be noted that unless otherwise explicitly defined, terms such as arrangement, installation, connection and the like should be broadly understood, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.
Example 1
A rubber blanket reducing agent comprises the following components in parts by weight:
10 parts by weight of a carboxylate;
15 parts by weight of a thiourea-containing compound;
3 parts by weight of a sulfate;
2 parts by weight of cellulose;
80 parts by weight of a solvent.
The method for preparing the rubber blanket reducing agent comprises the following steps:
mixing the carboxylate, the thiourea-containing compound, the sulfate, and the cellulose in a solvent to obtain a mixture, and adjusting the pH of the mixture to be more than 7 to obtain the blanket reducing agent.
The above carboxylate includes trifluoroacetate.
The thiourea-containing compound includes thiourea dioxide.
The sulfate includes sodium disulfite.
The cellulose includes hydroxymethyl cellulose.
The solvent comprises the following components in parts by weight: 1 with ethanol.
Example 2
A rubber blanket reducing agent comprises the following components in parts by weight:
20 parts by weight of a carboxylic acid salt;
40 parts by weight of a thiourea-containing compound;
5 parts by weight of a sulfate;
12 parts by weight of cellulose;
120 parts by weight of a solvent.
The method for preparing the rubber blanket reducing agent comprises the following steps:
mixing the carboxylate, the thiourea-containing compound, the sulfate, and the cellulose in a solvent to obtain a mixture, and adjusting the pH of the mixture to be more than 7 to obtain the blanket reducing agent.
Such carboxylates include trifluoroacetates.
The thiourea-containing compound includes thiourea dioxide.
The sulfate includes sodium disulfite.
The cellulose includes hydroxymethyl cellulose.
The solvent comprises the following components in parts by weight: 1 with ethanol.
Example 3
A rubber blanket reducing agent comprises the following components in parts by weight:
15 parts by weight of a carboxylic acid salt;
30 parts by weight of a thiourea-containing compound;
4 parts by weight of a sulfate;
8 parts by weight of cellulose;
100 parts by weight of a solvent.
The method for preparing the rubber blanket reducing agent comprises the following steps:
mixing the carboxylate, the thiourea-containing compound, the sulfate, and the cellulose in a solvent to obtain a mixture, and adjusting the pH of the mixture to be more than 7 to obtain the blanket reducing agent.
Such carboxylates include trifluoroacetates.
The thiourea-containing compound includes thiourea dioxide.
The sulfate includes sodium disulfite.
The cellulose includes hydroxymethyl cellulose.
The solvent comprises the following components in parts by weight: 1 with ethanol.
Example 4
A rubber blanket reducing agent comprises the following components in parts by weight:
10 parts by weight of a carboxylate;
15 parts by weight of a thiourea-containing compound;
3 parts by weight of a sulfate;
2 parts by weight of cellulose;
80 parts by weight of a solvent.
The method for preparing the rubber blanket reducing agent comprises the following steps:
mixing the carboxylate, the thiourea-containing compound, the sulfate, and the cellulose in a solvent to obtain a mixture, and adjusting the pH of the mixture to be more than 7 to obtain the blanket reducing agent.
The above carboxylate includes trifluoroacetate.
The thiourea-containing compound includes thiourea dioxide.
The sulfate includes sodium disulfite.
The cellulose includes carboxymethyl cellulose.
The solvent comprises the following components in parts by weight: 1 with ethanol.
Example 5
The rubber cloth reducing agent comprises the following components in parts by weight:
10 parts by weight of a carboxylate;
15 parts by weight of a thiourea-containing compound;
3 parts by weight of a sulfate;
2 parts by weight of cellulose;
80 parts by weight of a solvent.
The method for preparing the rubber blanket reducing agent comprises the following steps:
mixing the carboxylate, the thiourea-containing compound, the sulfate, and the cellulose in a solvent to obtain a mixture, and adjusting the pH of the mixture to be more than 7 to obtain the blanket reducing agent.
Such carboxylates include trifluoroacetates.
The thiourea-containing compound includes thiourea dioxide.
The sulfate includes sodium metabisulfite.
The cellulose includes hydroxymethyl cellulose.
The solvent comprises the following components in parts by weight: 1 with ethanol.
And (3) performance testing:
the used blankets were treated with the blanket reducing agents of examples 1-5. The method specifically comprises the following steps: the blanket reducing agents of examples 1-5 were picked up with a cloth ball and the blanket surface was wiped evenly until clean, no visible stain was visible to the naked eye, and the test results are given in table 1.
TABLE 1
Wherein the detergency test is according to QB/T2117-95.
The above description is only an example of the present invention and is not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention in the specification or the related technical fields, which are directly or indirectly applied, are included in the scope of the present invention.
Claims (10)
1. A blanket reducing agent, characterized by: comprises the following components:
a carboxylate;
a thiourea-containing compound;
a sulfate salt;
cellulose;
a solvent;
the blanket reducing agent has a pH greater than 7.
2. A blanket reducing agent according to claim 1, wherein: the rubber cloth reducing agent comprises the following components in parts by weight:
10-20 parts by weight of a carboxylate;
15 to 40 parts by weight of a thiourea-containing compound;
3-5 parts by weight of sulfate;
2-12 parts by weight of cellulose;
80-120 parts by weight of a solvent.
3. A blanket reducing agent according to claim 1, wherein: the carboxylate includes at least one of monocarboxylate, dicarboxylate, and derivatives thereof.
4. A blanket reducing agent according to claim 3, wherein: the monocarboxylic acid salt includes at least one of a trifluoroacetate salt and dodecanoic acid.
5. A blanket reducing agent according to claim 1, wherein: the sulfate includes at least one of sodium hydrosulfite and sodium metabisulfite.
6. A blanket reducing agent according to claim 1, wherein: the cellulose includes at least one of hydroxymethyl cellulose and carboxymethyl cellulose.
7. A blanket reducing agent according to claim 1, wherein: the solvent includes water and an organic solvent.
8. A blanket reducing agent according to claim 7, wherein: the organic solvent comprises at least one of ethanol, acetone and diethyl ether.
9. A method of preparing a blanket reducing agent as claimed in any one of claims 1 to 8, characterized by: the method comprises the following steps:
mixing the carboxylate, the thiourea-containing compound, the sulfate, and the cellulose in a solvent to obtain a mixture, and adjusting the pH of the mixture to be greater than 7 to obtain the blanket reducing agent.
10. Use of a blanket reducing agent as claimed in any one of claims 1 to 8 in the preparation of ink packaging bags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211121011.6A CN115404135A (en) | 2022-09-15 | 2022-09-15 | Rubber blanket reducing agent and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211121011.6A CN115404135A (en) | 2022-09-15 | 2022-09-15 | Rubber blanket reducing agent and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115404135A true CN115404135A (en) | 2022-11-29 |
Family
ID=84165998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211121011.6A Pending CN115404135A (en) | 2022-09-15 | 2022-09-15 | Rubber blanket reducing agent and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115404135A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938472A (en) * | 2013-12-25 | 2014-07-23 | 苏州芳然纺织有限公司 | Complex reducing agent used for weaving |
| JP2014162872A (en) * | 2013-02-26 | 2014-09-08 | Masago & Co Inc | Ink transferability recovery agent composition |
| CN104911932A (en) * | 2014-03-10 | 2015-09-16 | 兄弟工业株式会社 | Reducing agent, ink-jet recording apparatus, discharge printing method, image forming method, reducing agent stabilizing method, and reducing agent enhancing method |
| CN112585300A (en) * | 2018-11-30 | 2021-03-30 | 三菱动力株式会社 | Dissolution removal composition and cleaning method |
-
2022
- 2022-09-15 CN CN202211121011.6A patent/CN115404135A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014162872A (en) * | 2013-02-26 | 2014-09-08 | Masago & Co Inc | Ink transferability recovery agent composition |
| CN103938472A (en) * | 2013-12-25 | 2014-07-23 | 苏州芳然纺织有限公司 | Complex reducing agent used for weaving |
| CN104911932A (en) * | 2014-03-10 | 2015-09-16 | 兄弟工业株式会社 | Reducing agent, ink-jet recording apparatus, discharge printing method, image forming method, reducing agent stabilizing method, and reducing agent enhancing method |
| CN112585300A (en) * | 2018-11-30 | 2021-03-30 | 三菱动力株式会社 | Dissolution removal composition and cleaning method |
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