CN113045907A - Anti-condensation sheet - Google Patents
Anti-condensation sheet Download PDFInfo
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- CN113045907A CN113045907A CN201911367386.9A CN201911367386A CN113045907A CN 113045907 A CN113045907 A CN 113045907A CN 201911367386 A CN201911367386 A CN 201911367386A CN 113045907 A CN113045907 A CN 113045907A
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- salt
- vulcanized rubber
- sulfonic acid
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/10—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C08J2300/104—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing oxygen atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/12—Polymers characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a dew condensation preventing sheet, which comprises a non-vulcanized rubber sheet, wherein the non-vulcanized rubber sheet at least contains 80 mass percent of water-absorbing polymer and 15 mass percent of non-vulcanized rubber; the water-absorbent polymer is a crosslinked polymer containing a salt-type carboxyl group of 8.0meq/g and a sulfonic acid group and/or a salt-type sulfonic acid group of 2.0meq/g as a polar group; the salt types of the salt type carboxyl containing polar groups, the sulfonic group and the salt type sulfonic carboxyl are all potassium salts; the non-vulcanized rubber is acrylic rubber; the thickness of the non-vulcanized rubber sheet is 3.0 mm; the anti-condensation sheet having the above structure had a moisture absorption rate of 35% at 5 hours, a moisture absorption rate of 49% at 24 hours, a moisture absorption rate of 67% at 168 hours, and a moisture release rate of 75%.
Description
Technical Field
The invention belongs to the technical field of humidity adjustment, and particularly relates to an anti-condensation sheet.
Background
Condensation is formed on a window glass of an indoor or an automobile, a train, or the like in rainy days, early evening hours, or the like, and as a measure against such condensation of the glass, it is common to wipe off the glass at a time or to dehumidify the glass with air conditioning (dehumidifying) equipment such as an air conditioner. However, since these devices require energy (electricity) for operation, the operation cost increases, and the cost is also required for equipment.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a condensation preventing sheet.
In order to achieve the purpose, the invention provides the following technical scheme:
a dew condensation prevention sheet comprising a non-vulcanized rubber sheet containing at least 70 to 90 mass% of a water-absorbent polymer and 5 to 25 mass% of a non-vulcanized rubber.
The water-absorbing polymer is a crosslinked polymer containing 1.0 to 10.0meq/g of a salt-type carboxyl group as a polar group and 0.1 to 2.0meq/g of a sulfonic acid group and/or a salt-type sulfonic acid group.
The salt type of the polar group-containing salt type carboxyl, sulfonic acid group and salt type sulfonic acid group carboxyl is potassium salt.
The non-vulcanized rubber contains more than 75% by weight of a water-absorbing polymer.
The non-vulcanized rubber is an acrylic rubber.
The thickness of the non-vulcanized rubber sheet is 3.0-3.5 mm.
The beneficial technical effects of the invention compared with the prior art are that,
a dew condensation preventing sheet comprising a non-vulcanized rubber sheet containing at least 80% by mass of a water-absorbent polymer and 15% by mass of a non-vulcanized rubber; the water-absorbent polymer is a crosslinked polymer containing a salt-type carboxyl group of 8.0meq/g and a sulfonic acid group and/or a salt-type sulfonic acid group of 2.0meq/g as a polar group; the salt types of the salt type carboxyl containing polar groups, the sulfonic group and the salt type sulfonic carboxyl are all potassium salts; the non-vulcanized rubber is acrylic rubber; the thickness of the non-vulcanized rubber sheet is 3.0 mm; the anti-condensation sheet having the above structure had a moisture absorption rate of 35% at 5 hours, a moisture absorption rate of 49% at 24 hours, a moisture absorption rate of 67% at 168 hours, and a moisture release rate of 75%.
Drawings
Detailed Description
The present invention will be further described with reference to the following examples.
The first embodiment is as follows:
a dew condensation preventing sheet comprising a non-vulcanized rubber sheet containing 70 mass% of a water-absorbent polymer and 25 mass% of a non-vulcanized rubber.
The water-absorbent polymer is a crosslinked polymer containing 1.0meq/g of a salt-type carboxyl group and 2.0meq/g of a sulfonic acid group and/or a salt-type sulfonic acid group as polar groups.
The salt type of the polar group-containing salt type carboxyl, sulfonic acid group and salt type sulfonic acid group carboxyl is potassium salt.
The non-vulcanized rubber is an acrylic rubber.
The thickness of the non-vulcanized rubber sheet is 3.0 mm.
Example two:
a dew condensation preventing sheet comprising a non-vulcanized rubber sheet containing 80% by mass and 15% by mass of a non-vulcanized rubber.
The water-absorbent polymer is a crosslinked polymer containing 1.0meq/g of a salt-type carboxyl group and 2.0meq/g of a sulfonic acid group and/or a salt-type sulfonic acid group as polar groups. The salt type of the polar group-containing salt type carboxyl, sulfonic acid group and salt type sulfonic acid group carboxyl is potassium salt.
The non-vulcanized rubber is an acrylic rubber.
The thickness of the non-vulcanized rubber sheet is 3.0 mm.
Example three:
a dew condensation preventing sheet comprising a non-vulcanized rubber sheet containing at least 90% by mass of a water-absorbent polymer and 5% by mass of a non-vulcanized rubber.
The water-absorbent polymer is a crosslinked polymer containing 1.0meq/g of a salt-type carboxyl group and 2.0meq/g of a sulfonic acid group and/or a salt-type sulfonic acid group as polar groups.
The salt type of the polar group-containing salt type carboxyl, sulfonic acid group and salt type sulfonic acid group carboxyl is potassium salt.
The non-vulcanized rubber is an acrylic rubber.
The thickness of the non-vulcanized rubber sheet is 3.0 mm.
Example four:
a dew condensation preventing sheet comprising a non-vulcanized rubber sheet containing at least 80% by mass of a water-absorbent polymer and 15% by mass of a non-vulcanized rubber.
The water-absorbent polymer is a crosslinked polymer containing a salt-type carboxyl group of 9.0meq/g and a sulfonic acid group and/or a salt-type sulfonic acid group of 2.0meq/g as a polar group.
The salt type of the polar group-containing salt type carboxyl, sulfonic acid group and salt type sulfonic acid group carboxyl is potassium salt.
The non-vulcanized rubber is an acrylic rubber.
The thickness of the non-vulcanized rubber sheet is 3.0 mm.
Example five:
a dew condensation preventing sheet comprising a non-vulcanized rubber sheet containing at least 80% by mass of a water-absorbent polymer and 15% by mass of a non-vulcanized rubber.
The water-absorbent polymer is a crosslinked polymer containing a salt-type carboxyl group of 8.0meq/g and a sulfonic acid group and/or a salt-type sulfonic acid group of 2.0meq/g as a polar group.
The salt type of the polar group-containing salt type carboxyl, sulfonic acid group and salt type sulfonic acid group carboxyl is potassium salt.
The non-vulcanized rubber is an acrylic rubber.
The thickness of the non-vulcanized rubber sheet is 3.0 mm.
Example six:
a dew condensation preventing sheet comprising a non-vulcanized rubber sheet containing at least 80% by mass of a water-absorbent polymer and 10% by mass of a non-vulcanized rubber.
The water-absorbent polymer is a crosslinked polymer containing a salt-type carboxyl group of 7.0meq/g and a sulfonic acid group and/or a salt-type sulfonic acid group of 2.0meq/g as a polar group.
The salt type of the polar group-containing salt type carboxyl, sulfonic acid group and salt type sulfonic acid group carboxyl is potassium salt.
The non-vulcanized rubber is an acrylic rubber.
The thickness of the non-vulcanized rubber sheet is 3.0 mm.
Example seven: a dew condensation preventing sheet comprising a non-vulcanized rubber sheet containing at least 80% by mass of a water-absorbent polymer and 5% by mass of a non-vulcanized rubber.
The water-absorbent polymer is a crosslinked polymer containing a salt-type carboxyl group of 8.0meq/g and a sulfonic acid group and/or a salt-type sulfonic acid group of 2.0meq/g as a polar group.
Preferably, the salt type having a salt-type carboxyl group as a polar group, a sulfonic acid group and a salt-type sulfonic acid carboxyl group is a potassium salt.
The non-vulcanized rubber is an acrylic rubber.
The thickness of the non-vulcanized rubber sheet is 3.5 mm.
Experimental data:
it can be seen from the experimental data that: most preferred of the invention are: a dew condensation preventing sheet comprising a non-vulcanized rubber sheet containing at least 80% by mass of a water absorbing polymer and 15% by mass of a non-vulcanized rubber. The water-absorbent polymer is a crosslinked polymer containing a salt-type carboxyl group of 8.0meq/g and a sulfonic acid group and/or a salt-type sulfonic acid group of 2.0meq/g as a polar group. The salt type of the polar group-containing salt type carboxyl, sulfonic acid group and salt type sulfonic acid group carboxyl is potassium salt. The non-vulcanized rubber is an acrylic rubber. The thickness of the non-vulcanized rubber sheet is 3.0 mm.
The anti-condensation sheet having the above structure had a moisture absorption rate of 35% at 5 hours, a moisture absorption rate of 49% at 24 hours, a moisture absorption rate of 67% at 168 hours, and a moisture release rate of 75%.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. A dew condensation prevention sheet characterized by comprising a non-vulcanized rubber sheet containing at least 70 to 90 mass% of a water-absorbent polymer and 5 to 25 mass% of a non-vulcanized rubber.
2. The anti-condensation sheet according to claim 1, wherein the water-absorbent polymer is a crosslinked polymer containing 1.0 to 10.0meq/g of a salt-type carboxyl group and 0.1 to 2.0meq/g of a sulfonic acid group and/or a salt-type sulfonic acid group as polar groups.
3. The anti-condensation sheet according to claim 2, wherein the salt type having a salt type carboxyl group as a polar group, a sulfonic acid group and a salt type sulfonic acid carboxyl group are all potassium salts.
4. The anti-condensation sheet according to claim 3, wherein said non-vulcanized rubber contains more than 75% by weight of water-absorbing polymer.
5. The dew condensation prevention sheet of claim 4, wherein the non-vulcanized rubber is an acrylic rubber.
6. The anti-condensation sheet according to claim 5, wherein the thickness of said non-vulcanized rubber sheet is 3.0 to 3.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911367386.9A CN113045907A (en) | 2019-12-26 | 2019-12-26 | Anti-condensation sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911367386.9A CN113045907A (en) | 2019-12-26 | 2019-12-26 | Anti-condensation sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113045907A true CN113045907A (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911367386.9A Pending CN113045907A (en) | 2019-12-26 | 2019-12-26 | Anti-condensation sheet |
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| CN (1) | CN113045907A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031234A (en) * | 1987-08-10 | 1989-02-22 | 日本触煤化学工业株式会社 | The production method of water-absorbing resin |
| CN1165152A (en) * | 1997-04-22 | 1997-11-19 | 梅秀泉 | Polyacrylate type high water absorption resin |
| CN102516454A (en) * | 2011-11-30 | 2012-06-27 | 沈阳工业大学 | Synthesis method for super-absorbent resin containing sulfonic acid group |
| CN107107573A (en) * | 2015-03-06 | 2017-08-29 | 古河电气工业株式会社 | Anti-fog disk and antifog chip part |
-
2019
- 2019-12-26 CN CN201911367386.9A patent/CN113045907A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031234A (en) * | 1987-08-10 | 1989-02-22 | 日本触煤化学工业株式会社 | The production method of water-absorbing resin |
| CN1165152A (en) * | 1997-04-22 | 1997-11-19 | 梅秀泉 | Polyacrylate type high water absorption resin |
| CN102516454A (en) * | 2011-11-30 | 2012-06-27 | 沈阳工业大学 | Synthesis method for super-absorbent resin containing sulfonic acid group |
| CN107107573A (en) * | 2015-03-06 | 2017-08-29 | 古河电气工业株式会社 | Anti-fog disk and antifog chip part |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210629 |
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| RJ01 | Rejection of invention patent application after publication |