CN117510972A - Low-carbon environment-friendly foaming agent and preparation method thereof - Google Patents
Low-carbon environment-friendly foaming agent and preparation method thereof Download PDFInfo
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- CN117510972A CN117510972A CN202311772509.3A CN202311772509A CN117510972A CN 117510972 A CN117510972 A CN 117510972A CN 202311772509 A CN202311772509 A CN 202311772509A CN 117510972 A CN117510972 A CN 117510972A
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- 239000004088 foaming agent Substances 0.000 title claims abstract description 54
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- ONJQDTZCDSESIW-UHFFFAOYSA-N polidocanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO ONJQDTZCDSESIW-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000006260 foam Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000007935 neutral effect Effects 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000003381 stabilizer Substances 0.000 claims abstract description 5
- 239000002562 thickening agent Substances 0.000 claims abstract description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 19
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 19
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 17
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 17
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 17
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 17
- 150000001261 hydroxy acids Chemical class 0.000 claims description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000004604 Blowing Agent Substances 0.000 claims description 7
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 5
- 239000011975 tartaric acid Substances 0.000 claims description 5
- 235000002906 tartaric acid Nutrition 0.000 claims description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 3
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 3
- 229920003063 hydroxymethyl cellulose Polymers 0.000 claims description 3
- 229940031574 hydroxymethyl cellulose Drugs 0.000 claims description 3
- 239000001630 malic acid Substances 0.000 claims description 3
- 235000011090 malic acid Nutrition 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 6
- 230000000052 comparative effect Effects 0.000 description 8
- 238000005187 foaming Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 229920003081 Povidone K 30 Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002666 chemical blowing agent Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (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 Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention relates to the technical field of foaming agents, and provides a low-carbon environment-friendly foaming agent and a preparation method thereof. The low-carbon environment-friendly foaming agent comprises the following raw materials in parts by mass: 15-20 parts of nonionic surfactant, 1-5 parts of foam stabilizer, 0-2 parts of thickener and 180-280 parts of neutral water; the nonionic surfactant comprises a mixture of one of AEO-8, AEO-9, AEO-10, and one of AEO-4, AEO-5, AEO-6. Through the technical scheme, the problem of poor foam stability of the foaming agent in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of foaming agents, in particular to a low-carbon environment-friendly foaming agent and a preparation method thereof.
Background
The foaming material has light weight, heat insulation, sound absorption, vibration absorption, good flexibility and elasticity, can be used as light weight material of aircrafts and ships, commodity vibration-proof packaging material, heat insulation material of industrial pipelines and containers, and the like, and has wide application. In the manufacture of such materials, it is common to add a foaming agent during the process of forming, to divide the foaming material into two phases, one being a solid matrix and the other being a gaseous phase derived from the foaming agent.
The foaming agent can be two main types of physical foaming agent and chemical foaming agent according to different modes of generating pores in the foaming process. The physical foaming agent generates pores by depending on the change of the physical state (such as pores generated when the volatile liquid is vaporized) in the foaming process; chemical blowing agents are those which decompose to produce one or more gases as a result of chemical changes occurring during the foaming process. The physical foaming agent is odorless and nontoxic, accords with the environment-friendly idea advocated by the current society, is most widely used, and has the problem of poor foam stability.
Disclosure of Invention
The invention provides a low-carbon environment-friendly foaming agent and a preparation method thereof, and solves the problem of poor foam stability of the foaming agent in the related art.
The technical scheme of the invention is as follows:
the low-carbon environment-friendly foaming agent comprises the following raw materials in parts by mass: 15-20 parts of nonionic surfactant, 1-5 parts of foam stabilizer, 0-2 parts of thickener and 180-280 parts of neutral water;
the nonionic surfactant comprises a mixture of one of AEO-8, AEO-9, AEO-10, and one of AEO-4, AEO-5, AEO-6.
As a further technical scheme, the neutral water is [ H ] + ]And [ OH - ]The same water.
The invention adopts neutral water as the main raw material of the foaming agent, plays a vital role in the foaming agent, and the prepared foaming agent not only has good foaming capacity and can generate a large amount of foam, but also has excellent foam performance, can prepare various foaming products, has low production cost, is suitable for actual production and has extremely high application value.
As a further embodiment, the nonionic surfactant comprises a mixture of AEO-9 and AEO-5.
As a further technical scheme, the mass ratio of AEO-9 to AEO-5 in the mixture is 7:11-11:7.
As a further technical scheme, the mass ratio of AEO-9 to AEO-5 in the mixture is 1:1.
As a further technical scheme, the novel modified polyester fiber also comprises 1-5 parts of hydroxy acid.
The invention adds hydroxy acid, and forms intermolecular hydrogen bond by hydroxy acid, so that the surface adsorption molecule arrangement is more compact, thereby improving the strength of the surface film, and reducing the permeability of gas, thereby further increasing the stability of the foam.
As a further technical scheme, the mass ratio of the nonionic surfactant to the hydroxy acid is 6:1.
As a further technical scheme, the hydroxy acid comprises one or more of tartaric acid, malic acid and citric acid.
As a further technical scheme, the foam stabilizer comprises one or two of polyvinyl alcohol and polyvinylpyrrolidone;
the thickener comprises one or two of hydroxypropyl methylcellulose and hydroxymethyl cellulose.
The invention also provides a preparation method of the low-carbon environment-friendly foaming agent, which comprises the following steps: and uniformly mixing the raw materials to obtain the low-carbon environment-friendly foaming agent.
The working principle and the beneficial effects of the invention are as follows:
1. the invention provides a low-carbon environment-friendly foaming agent, which takes one of AEO-8, AEO-9 and AEO-10 and a mixture of one of AEO-4, AEO-5 and AEO-6 as a foaming agent, so that the stability of foam is improved, wherein the AEO-8, the AEO-9 and the AEO-10 can increase the viscosity of a surface film, and the AEO-4, the AEO-5 and the AEO-6 with relatively low solubility can improve the rigidity of the surface film and can greatly improve the stability of the foam when being used together.
2. According to the invention, the AEO-9 and the AEO-5 with the mass ratio of 7:11-11:7 are used as the foaming agent, so that the stability of the foam is further improved.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the following examples and comparative examples, the polyvinyl alcohol was PVA2488 and the polyvinylpyrrolidone was PVP K30.
Example 1
Uniformly mixing AEO-8 4 parts, AEO-4 parts, polyvinyl alcohol 2 parts, hydroxypropyl methylcellulose 0.5 parts and neutral water 230 parts to obtain the foaming agent.
Example 2
Uniformly mixing AEO-9 4 parts, AEO-4 parts, polyvinyl alcohol 2 parts, hydroxypropyl methylcellulose 0.5 parts and neutral water 230 parts to obtain the foaming agent.
Example 3
Uniformly mixing 4 parts of AEO-10, 14 parts of AEO-4, 2 parts of polyvinyl alcohol, 0.5 part of hydroxypropyl methyl cellulose and 230 parts of neutral water to obtain the foaming agent.
Example 4
Uniformly mixing AEO-9 4 parts, AEO-5 parts, polyvinyl alcohol 2 parts, hydroxypropyl methylcellulose 0.5 parts and neutral water 230 parts to obtain the foaming agent.
Example 5
Uniformly mixing AEO-9 4 parts, AEO-6 parts, polyvinyl alcohol 2 parts, hydroxypropyl methylcellulose 0.5 parts and neutral water 230 parts to obtain the foaming agent.
Example 6
Uniformly mixing AEO-9 7 parts, AEO-5 parts, polyvinyl alcohol 2 parts, hydroxypropyl methylcellulose 0.5 parts and neutral water 230 parts to obtain the foaming agent.
Example 7
Uniformly mixing AEO-9 9 parts, AEO-5 9 parts, polyvinyl alcohol 2 parts, hydroxypropyl methylcellulose 0.5 parts and neutral water 230 parts to obtain the foaming agent.
Example 8
Uniformly mixing 11 parts of AEO-9, 5 7 parts of AEO, 2 parts of polyvinyl alcohol, 0.5 part of hydroxypropyl methyl cellulose and 230 parts of neutral water to obtain the foaming agent.
Example 9
Uniformly mixing 14 parts of AEO-9, 5 4 parts of AEO, 2 parts of polyvinyl alcohol, 0.5 part of hydroxypropyl methyl cellulose and 230 parts of neutral water to obtain the foaming agent.
Example 10
Uniformly mixing AEO-9 9 parts, AEO-5 9 parts, tartaric acid 1 part, polyvinyl alcohol 2 parts, hydroxypropyl methylcellulose 0.5 parts and neutral water 230 parts to obtain the foaming agent.
Example 11
Uniformly mixing AEO-9 9 parts, AEO-5 9 parts, tartaric acid 3 parts, polyvinyl alcohol 2 parts, hydroxypropyl methylcellulose 0.5 parts and neutral water 230 parts to obtain the foaming agent.
Example 12
Uniformly mixing AEO-9 9 parts, AEO-5 9 parts, tartaric acid 5 parts, polyvinyl alcohol 2 parts, hydroxypropyl methylcellulose 0.5 parts and neutral water 230 parts to obtain the foaming agent.
Example 13
Uniformly mixing 7.5 parts of AEO-9, 7.5 parts of AEO-5, 3 parts of malic acid, 1 part of polyvinylpyrrolidone and 180 parts of neutral water to obtain the foaming agent.
Example 14
Uniformly mixing 10 parts of AEO-9, 10 parts of AEO-5, 3 parts of citric acid, 5 parts of polyvinyl alcohol, 2 parts of hydroxymethyl cellulose and 280 parts of neutral water to obtain the foaming agent.
Comparative example 1
Uniformly mixing 18 parts of AEO-7, 2 parts of polyvinyl alcohol, 0.5 part of hydroxypropyl methyl cellulose and 230 parts of neutral water to obtain the foaming agent.
Comparative example 2
Uniformly mixing 18 parts of AEO-9, 2 parts of polyvinyl alcohol, 0.5 part of hydroxypropyl methyl cellulose and 230 parts of neutral water to obtain the foaming agent.
Comparative example 3
Uniformly mixing 18 parts of AEO-5, 2 parts of polyvinyl alcohol, 0.5 part of hydroxypropyl methyl cellulose and 230 parts of neutral water to obtain the foaming agent.
After 25mL of the foaming agents obtained in examples 1 to 14 and comparative examples 1 to 3 were stirred for 25 minutes to generate foams, the height of the initial foam was recorded as h, the time required for the foam height to decrease from h to 1/2h was recorded, the sedimentation distance of the foam after 12h was recorded, and the results are recorded in Table 1.
TABLE 1 evaluation of foam stability by blowing agent
As can be seen from Table 1, the foam produced by the blowing agent provided by the invention has good stability.
Examples 1 to 14 the use of a mixture of one of AEO-8, AEO-9, and AEO-10 and one of AEO-4, AEO-5, and AEO-6 in examples 1 to 4, AEO-7 in comparative example 2, AEO-9 in comparative example 3, and AEO-5 in examples 1 to 14 gave a foaming agent having a foam stability better than that of comparative examples 1 to 3, indicating that one of AEO-8, AEO-9, and AEO-10, and a mixture of one of AEO-4, AEO-5, and AEO-6 were used as a foaming agent, and the stability of the foam produced by the foaming agent was significantly improved.
Examples 10 to 14 are superior to example 7 in that the hydroxyacids are added in examples 10 to 14 and not in example 7, and the foam stability of the foaming agent obtained in examples 10 to 14 is better than that in example 7, indicating that the addition of the hydroxyacids can further improve the foam stability.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The low-carbon environment-friendly foaming agent is characterized by comprising the following raw materials in parts by mass: 15-20 parts of nonionic surfactant, 1-5 parts of foam stabilizer, 0-2 parts of thickener and 180-280 parts of neutral water;
the nonionic surfactant comprises a mixture of one of AEO-8, AEO-9, AEO-10, and one of AEO-4, AEO-5, AEO-6.
2. The low carbon, environment-friendly blowing agent of claim 1 wherein said nonionic surfactant comprises a mixture of AEO-9 and AEO-5.
3. The low-carbon environment-friendly foaming agent according to claim 2, wherein the mass ratio of AEO-9 to AEO-5 in the mixture is 7:11-11:7.
4. A low carbon, environment-friendly blowing agent according to claim 3 wherein the mass ratio of AEO-9 to AEO-5 in the mixture is 1:1.
5. The low-carbon environment-friendly foaming agent according to claim 1, further comprising 1-5 parts of hydroxy acid.
6. The low carbon, environment-friendly blowing agent of claim 5 wherein the mass ratio of nonionic surfactant to hydroxy acid is 6:1.
7. A low carbon environment-friendly foaming agent according to claim 5 or 6, wherein said hydroxy acid comprises one or more of tartaric acid, malic acid and citric acid.
8. The low carbon, environment-friendly blowing agent of claim 1 wherein said foam stabilizer comprises one or both of polyvinyl alcohol and polyvinylpyrrolidone.
9. A low carbon, environment-friendly blowing agent according to claim 1 wherein said thickener comprises one or both of hydroxypropyl methylcellulose and hydroxymethyl cellulose.
10. The preparation method of the low-carbon environment-friendly foaming agent according to any one of claims 1 to 9, which is characterized by comprising the following steps: and uniformly mixing the raw materials to obtain the low-carbon environment-friendly foaming agent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311772509.3A CN117510972B (en) | 2023-12-21 | 2023-12-21 | Low-carbon environment-friendly foaming agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311772509.3A CN117510972B (en) | 2023-12-21 | 2023-12-21 | Low-carbon environment-friendly foaming agent and preparation method thereof |
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| CN117510972A true CN117510972A (en) | 2024-02-06 |
| CN117510972B CN117510972B (en) | 2024-07-23 |
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