CN113999562A - Heat-sensitive paper handwriting eliminating liquid - Google Patents
Heat-sensitive paper handwriting eliminating liquid Download PDFInfo
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- CN113999562A CN113999562A CN202111363810.XA CN202111363810A CN113999562A CN 113999562 A CN113999562 A CN 113999562A CN 202111363810 A CN202111363810 A CN 202111363810A CN 113999562 A CN113999562 A CN 113999562A
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- CN
- China
- Prior art keywords
- dipropylene glycol
- mixing
- diethyl phthalate
- stirring
- monobutyl ether
- Prior art date
- 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.)
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/005—Chemical paint or ink removers containing organic solvents
Abstract
The invention discloses a thermal paper handwriting eliminating liquid, which comprises the following raw materials in percentage by weight: 35-45% of diethyl phthalate, 35-45% of diethylene glycol monobutyl ether, 4-6% of propylene carbonate, 3-5% of benzyl alcohol, 4-6% of dipropylene glycol methyl ether, 3-5% of triethanolamine and 2% of dipropylene glycol. The preparation method of the eliminating liquid comprises the following steps: step S1: putting diethyl phthalate and diethylene glycol monobutyl ether into a mixing box, stirring and mixing, and standing for at least 20 minutes after stirring; step S2: injecting propylene carbonate, benzyl alcohol, dipropylene glycol methyl ether, triethanolamine and dipropylene glycol into a mixing box one by one, mixing with diethyl phthalate and diethylene glycol monobutyl ether, and standing for 5 minutes after mixing; step S3: and (5) stirring and mixing the materials in the step S2 for 5-10 minutes again to obtain a finished product.
Description
Technical Field
The invention relates to the technical field of chemical industry, in particular to a thermosensitive paper handwriting eliminating liquid.
Background
The existing product can only be used for altering written words, with the improvement of living standard of people, more and more online shopping is realized, articles purchased on the internet are sent out in an express delivery mode, personal information is provided on the express delivery mode, and if the personal telephone and the personal name can be seen by people after the personal information is directly thrown away. The correction fluid on the market at present is mainly suitable for correcting wrongly written characters of students, and is used on common paper, and the correction fluid is easy to show on the paper.
Disclosure of Invention
The invention aims to provide a thermal paper handwriting eliminating liquid to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a thermal sensitive paper handwriting eliminating liquid comprises the following raw materials in percentage by weight: 35-45% of diethyl phthalate, 35-45% of diethylene glycol monobutyl ether, 4-6% of propylene carbonate, 3-5% of benzyl alcohol, 4-6% of dipropylene glycol methyl ether, 3-5% of triethanolamine and 2% of dipropylene glycol.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the composite material comprises the following raw materials in percentage by weight: 40% diethyl phthalate, 40% diethylene glycol monobutyl ether, 5% propylene carbonate, 4% benzyl alcohol, 5% dipropylene glycol methyl ether, 4% triethanolamine, 2% dipropylene glycol.
In one alternative: the dipropylene glycol methyl ether is obtained by hydrating 1, 2-propylene oxide to generate dipropylene glycol and then reacting with methanol.
In one alternative: the alcohol content in the diethyl phthalate is 99.5-100%.
The preparation method of the thermal paper handwriting eliminating liquid comprises the following steps: step S1: putting diethyl phthalate and diethylene glycol monobutyl ether into a mixing box, stirring and mixing, and standing for at least 20 minutes after stirring; step S2: injecting propylene carbonate, benzyl alcohol, dipropylene glycol methyl ether, triethanolamine and dipropylene glycol into a mixing box one by one, mixing with diethyl phthalate and diethylene glycol monobutyl ether, and standing for 5 minutes after mixing; step S3: and (5) stirring and mixing the materials in the step S2 for 5-10 minutes again to obtain a finished product.
In one alternative: the stirring rotation speed in the steps S1-S3 is 300-500 r/min.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, diethyl phthalate and diethylene glycol monobutyl ether are used as main materials, dipropylene glycol methyl ether and triethanolamine and other raw materials are used as auxiliary materials, and the elimination solution with good bonding capacity can be prepared through interaction, and propylene carbonate has strong absorption capacity on carbon dioxide and stable property, and can disperse handwriting feed liquid, so that the handwriting feed liquid is eliminated by matching with the diethyl phthalate and the diethylene glycol monobutyl ether; the prepared eliminating liquid is transparent after the handwriting eliminating liquid is eliminated.
Detailed Description
The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
A thermal sensitive paper handwriting eliminating liquid comprises the following raw materials in percentage by weight: 35% diethyl phthalate, 35% diethylene glycol monobutyl ether, 4% propylene carbonate, 3% benzyl alcohol, 4% dipropylene glycol methyl ether, 3% triethanolamine, 2% dipropylene glycol.
The dipropylene glycol methyl ether is obtained by hydrating 1, 2-propylene oxide to generate dipropylene glycol and then reacting with methanol.
The alcohol content in the diethyl phthalate was 99.5%.
The preparation method of the thermal paper handwriting eliminating liquid comprises the following steps: step S1: putting diethyl phthalate and diethylene glycol monobutyl ether into a mixing box, stirring and mixing, and standing for at least 20 minutes after stirring; step S2: injecting propylene carbonate, benzyl alcohol, dipropylene glycol methyl ether, triethanolamine and dipropylene glycol into a mixing box one by one, mixing with diethyl phthalate and diethylene glycol monobutyl ether, and standing for 5 minutes after mixing; step S3: and (5) stirring and mixing the materials in the step S2 for 5-10 minutes again to obtain a finished product.
The stirring rotating speed in the step S1-step S3 is 300 r/min;
example 2
A thermal sensitive paper handwriting eliminating liquid comprises the following raw materials in percentage by weight: the composite material comprises the following raw materials in percentage by weight: 40% diethyl phthalate, 40% diethylene glycol monobutyl ether, 5% propylene carbonate, 4% benzyl alcohol, 5% dipropylene glycol methyl ether, 4% triethanolamine, 2% dipropylene glycol.
The dipropylene glycol methyl ether is obtained by hydrating 1, 2-propylene oxide to generate dipropylene glycol and then reacting with methanol.
The alcohol content in the diethyl phthalate is 100%.
The preparation method of the thermal paper handwriting eliminating liquid comprises the following steps: step S1: putting diethyl phthalate and diethylene glycol monobutyl ether into a mixing box, stirring and mixing, and standing for at least 20 minutes after stirring; step S2: injecting propylene carbonate, benzyl alcohol, dipropylene glycol methyl ether, triethanolamine and dipropylene glycol into a mixing box one by one, mixing with diethyl phthalate and diethylene glycol monobutyl ether, and standing for 5 minutes after mixing; step S3: and (5) stirring and mixing the materials in the step S2 for 5-10 minutes again to obtain a finished product.
The stirring rotating speed in the step S1-step S3 is 400 r/min;
example 3
A thermal sensitive paper handwriting eliminating liquid comprises the following raw materials in percentage by weight: 45% of diethyl phthalate, 45% of diethylene glycol monobutyl ether, 6% of propylene carbonate, 5% of benzyl alcohol, 6% of dipropylene glycol methyl ether, 5% of triethanolamine and 2% of dipropylene glycol.
The dipropylene glycol methyl ether is obtained by hydrating 1, 2-propylene oxide to generate dipropylene glycol and then reacting with methanol.
The alcohol content in the diethyl phthalate is 100%.
The preparation method of the thermal paper handwriting eliminating liquid comprises the following steps: step S1: putting diethyl phthalate and diethylene glycol monobutyl ether into a mixing box, stirring and mixing, and standing for at least 20 minutes after stirring; step S2: injecting propylene carbonate, benzyl alcohol, dipropylene glycol methyl ether, triethanolamine and dipropylene glycol into a mixing box one by one, mixing with diethyl phthalate and diethylene glycol monobutyl ether, and standing for 5 minutes after mixing; step S3: and (5) stirring and mixing the materials in the step S2 for 5-10 minutes again to obtain a finished product.
The stirring speed in the steps S1-S3 is 500 r/min.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (6)
1. The heat-sensitive paper handwriting eliminating liquid is characterized by comprising the following raw materials in percentage by weight: 35-45% of diethyl phthalate, 35-45% of diethylene glycol monobutyl ether, 4-6% of propylene carbonate, 3-5% of benzyl alcohol, 4-6% of dipropylene glycol methyl ether, 3-5% of triethanolamine and 2% of dipropylene glycol.
2. The thermal paper handwriting eliminating liquid according to claim 1, characterized by comprising the following raw materials in percentage by weight: 40% diethyl phthalate, 40% diethylene glycol monobutyl ether, 5% propylene carbonate, 4% benzyl alcohol, 5% dipropylene glycol methyl ether, 4% triethanolamine, 2% dipropylene glycol.
3. The thermal paper handwriting removing solution according to claim 1, wherein said dipropylene glycol methyl ether is obtained by hydrating 1, 2-propylene oxide to produce dipropylene glycol and reacting with methanol.
4. The thermal paper handwriting removing solution according to claim 1, wherein the alcohol content in the diethyl phthalate is 99.5-100%.
5. The method for preparing the thermal paper handwriting removing liquid according to any one of claims 1 to 4, characterized by comprising the following steps: step S1: putting diethyl phthalate and diethylene glycol monobutyl ether into a mixing box, stirring and mixing, and standing for at least 20 minutes after stirring; step S2: injecting propylene carbonate, benzyl alcohol, dipropylene glycol methyl ether, triethanolamine and dipropylene glycol into a mixing box one by one, mixing with diethyl phthalate and diethylene glycol monobutyl ether, and standing for 5 minutes after mixing; step S3: and (5) stirring and mixing the materials in the step S2 for 5-10 minutes again to obtain a finished product.
6. The method as claimed in claim 5, wherein the stirring speed in steps S1 to S3 is 300-500 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111363810.XA CN113999562A (en) | 2021-11-17 | 2021-11-17 | Heat-sensitive paper handwriting eliminating liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111363810.XA CN113999562A (en) | 2021-11-17 | 2021-11-17 | Heat-sensitive paper handwriting eliminating liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113999562A true CN113999562A (en) | 2022-02-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111363810.XA Pending CN113999562A (en) | 2021-11-17 | 2021-11-17 | Heat-sensitive paper handwriting eliminating liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113999562A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5746836A (en) * | 1993-10-07 | 1998-05-05 | Oyentos Corporation | Method for removing a photosensitive layer from a photosensitive drum |
-
2021
- 2021-11-17 CN CN202111363810.XA patent/CN113999562A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5746836A (en) * | 1993-10-07 | 1998-05-05 | Oyentos Corporation | Method for removing a photosensitive layer from a photosensitive drum |
Non-Patent Citations (1)
| Title |
|---|
| 司航: "《有机化工原料（第二版）》", 31 January 1995, 化学工业出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220201 |