CN111054012A - PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof - Google Patents

PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof Download PDF

Info

Publication number
CN111054012A
CN111054012A CN201911385297.7A CN201911385297A CN111054012A CN 111054012 A CN111054012 A CN 111054012A CN 201911385297 A CN201911385297 A CN 201911385297A CN 111054012 A CN111054012 A CN 111054012A
Authority
CN
China
Prior art keywords
pfos
extinguishing agent
weight
surfactant
aqueous film
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.)
Pending
Application number
CN201911385297.7A
Other languages
Chinese (zh)
Inventor
潘德顺
徐友萍
潘煜
王钧奇
刘海泉
李勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Suolong Fire Science And Technology Co ltd
Original Assignee
Jiangsu Suolong Fire Science And Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Suolong Fire Science And Technology Co ltd filed Critical Jiangsu Suolong Fire Science And Technology Co ltd
Priority to CN201911385297.7A priority Critical patent/CN111054012A/en
Publication of CN111054012A publication Critical patent/CN111054012A/en
Priority to CN202010778725.9A priority patent/CN112206459A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0071—Foams
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
    • A62D1/0064—Gels; Film-forming compositions

Abstract

The invention provides a PFOS-free aqueous film-forming foam extinguishing agent and a preparation method thereof, wherein the composition comprises 12-30% of combined hydrocarbon surfactant, 2-5% of PFOS-free fluorocarbon surfactant, 5-8% of foam stabilizer, 20-50% of antifreeze agent, 3-5% of solubilizer and 20-40% of water by weight percentage. The aqueous film-forming foam extinguishing agent does not contain perfluorooctane sulfonate which is difficult to degrade, has higher environmental protection performance, and obviously reduces the pollution to the environment; by optimizing the components and the proportion, the excellent stability of the fire extinguishing agent is ensured.

Description

PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof
Technical Field
The invention relates to the field of application of fire extinguishing agents, in particular to a PFOS-free aqueous film-forming foam extinguishing agent and a preparation method thereof.
Background
The water film-forming foam fire-extinguishing agent is a foam fire-extinguishing agent which uses hydrocarbon surfactant and fluorocarbon surfactant as base material and can quickly flow and disperse on the surface of some hydrocarbon liquid to form a water film, and said fire-extinguishing agent can be extensively used for various type B fire.
The perfluorooctane sulfonyl compound (PFOS) is an important perfluorinated surfactant, has hydrophobic and oleophobic characteristics, is commonly used as a fluorocarbon surfactant in an aqueous film-forming foam fire extinguishing agent, has extremely strong durability, and can ensure that the fire extinguishing agent has high stability in various environments; but the fluorocarbon surfactant has extremely poor degradation performance and is an organic pollutant which is difficult to decompose; in order to realize green sustainable development and fulfill solemn commitments for global environmental safety protection, China has gradually increased management and control on perfluorooctylsulfonic acid and salt products thereof and perfluorooctylsulfonyl fluoride products (PFOS products) listed in a list of persistent organic pollutants; and practitioners in the fire-fighting industry need to develop alternative technical research while enhancing management and risk prevention according to the environmental protection requirements of related industries, so that the use of the product in the fire extinguishing agent is gradually eliminated, and the pollution of the product to the environment is reduced as much as possible.
Disclosure of Invention
In order to solve the problems in the background art and meet the requirement of environmental protection development, the invention aims to provide the PFOS-free aqueous film-forming foam extinguishing agent so as to achieve the purposes of higher environmental protection and reduction of environmental pollution.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a PFOS-free aqueous film-forming foam extinguishing agent comprises, by weight, 12-30% of a combined hydrocarbon surfactant, 2-5% of a PFOS-free fluorocarbon surfactant, 5-8% of a foam stabilizer, 20-50% of an antifreeze agent, 3-5% of a solubilizer and 20-40% of water.
As an alternative technical scheme, the combined hydrocarbon surfactant is a combination of alkyl glycoside (APG) and cocamidopropyl betaine (KLH-30) or C8-C10A combination of an anionic surfactant and a nonionic surfactant of (a); the component of the PFOS-free fluorocarbon surfactant is C6Fluorosurfactants or C4A fluorosurfactant or a fluoropolymer product; the antifreeze agent comprises the component C2H6O2The solubilizer comprises CON2H4。
As an optional technical scheme, the foam stabilizer is a thickening agent; the thickening agent is hydroxyethyl cellulose or hydroxypropyl cellulose, polyacrylamide or hydrolyzed polyacrylamide.
As an optional technical scheme, the preservative also comprises 0.05 to 1.5 percent of preservative by weight percentage.
As an optional technical scheme, the preservative is sodium benzoate and/or potassium sorbate.
As an optional technical scheme, the fire extinguishing agent comprises 15 wt% of combined hydrocarbon surfactant, 2 wt% of PFOS-free fluorocarbon surfactant, 5 wt% of foam stabilizer, 25 wt% of antifreeze agent, 4 wt% of solubilizer and 30 wt% of water.
As an optional technical scheme, the fire extinguishing agent comprises 23 wt% of combined hydrocarbon surfactant, 4 wt% of PFOS-free fluorocarbon surfactant, 7 wt% of foam stabilizer, 35 wt% of antifreeze agent, 3 wt% of solubilizer and 35 wt% of water.
As an optional technical scheme, the fire extinguishing agent comprises 30 wt% of combined hydrocarbon surfactant, 5 wt% of PFOS-free fluorocarbon surfactant, 8 wt% of foam stabilizer, 50 wt% of antifreeze agent, 4.5 wt% of solubilizer and 40 wt% of water.
As an optional technical scheme, the PFOS-free aqueous film-forming foam extinguishing agent is suitable for preventing and extinguishing hydrocarbon fire.
A method of making a PFOS-free aqueous film-forming foam fire suppressant as described above, comprising the steps of:
s1, weighing the combined hydrocarbon surfactant according to a designed proportion, adding the combined hydrocarbon surfactant into water, and stirring to form a component A;
s2, weighing a PFOS-free fluorocarbon surfactant according to a design proportion, and adding the surfactant into the component A to form a component B;
s3, weighing the foam stabilizer, the antifreeze and the solubilizer according to the designed proportion, uniformly mixing to form a component C, slowly adding the component C into the component B, introducing the component B into a stirring tank, fully stirring to form a reaction liquid, adjusting the pH value of the reaction liquid to be 7.0 +/-0.5, and controlling the temperature of the reaction liquid to be 40 +/-3 ℃; and the number of the first and second groups,
s4, standing the reaction solution for defoaming to obtain the PFOS-free aqueous film-forming foam extinguishing agent.
Compared with the prior art, the PFOS-free aqueous film-forming foam extinguishing agent provided by the invention has higher environmental protection property and obviously reduces the pollution to the environment because the PFOS-free fluorocarbon surfactant is used, and the fire extinguishing agent can be automatically degraded within a certain period, and the biodegradation reaches up to 99 percent in 28 days, so that the PFOS-free aqueous film-forming foam extinguishing agent is a real environment-friendly product and is suitable for preventing and putting out fires of hydrocarbon substances and polar water-soluble solvents.
The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.
Drawings
Figure 1 shows the detection results of PFOS-free aqueous film-forming foam extinguishing agent prepared by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a PFOS-free aqueous film-forming foam extinguishing agent, which comprises, by weight, 12-30% of a combined hydrocarbon surfactant, 2-5% of a PFOS-free fluorocarbon surfactant, 5-8% of a foam stabilizer, 20-50% of an antifreeze agent, 3-5% of a solubilizer and 20-40% of water.
For the PFOS-free aqueous film-forming foam extinguishing agent, as the fluorocarbon chain of the fluorocarbon surfactant is shortened, in the actual product formula process, in order to keep the product performance, the addition amount needs to be increased to a certain extent compared with the original content, according to the experimental result, the addition amount of the fluorocarbon surfactant needs to be increased by 1-2% per ton, and simultaneously, compared with the original formula of the PFOS-PFOA-containing aqueous film-forming foam extinguishing agent, the addition amount of the hydrocarbon surfactant needs to be reduced to a certain extent, and according to the experimental result, the addition amount of the hydrocarbon surfactant is reduced by 2-4% per ton.
In addition, the new selected fluorine carbon surface active agent without PFOSThe fluorocarbon chain is shortened, so that when the hydrocarbon surfactant is selected, a product matched with the hydrocarbon surfactant is selected, if the product is not selected, a short plate such as a barrel theory can appear, and the performance of the product is reduced; in a preferred embodiment, the combined hydrocarbon surfactant used in the present invention is a combination of an alkyl glycoside (APG) and cocamidopropyl betaine (KLH-30), or C8-C10A combination of an anionic surfactant and a nonionic surfactant.
The component of the PFOS-free fluorocarbon surfactant is C6Fluorine-containing surfactant, C4The fluorine-containing surfactant, the fluorine-containing polymer product or the combination thereof can be selected from the prior fluorocarbon surfactant suitable for the aqueous film-forming foam extinguishing agent; the antifreeze agent comprises the component C2H6O2(dimethyl ether), the solubilizer is CON2H4(Urea).
The foam stabilizer selected in the PFOS-free aqueous film-forming foam extinguishing agent is a thickening agent; the thickening agent is hydroxyethyl cellulose or hydroxypropyl cellulose, polyacrylamide or hydrolyzed polyacrylamide.
The PFOS-free aqueous film-forming foam extinguishing agent also comprises 0.05-1.5 wt% of preservative, wherein the preservative is sodium benzoate and/or potassium sorbate.
The first embodiment is as follows:
the fire extinguishing agent comprises 15 wt% of combined hydrocarbon surfactant (alkyl glycoside 10% + cocamidopropyl betaine 5%), 2 wt% of fluorocarbon surfactant without PFOS (C)62% of fluorine-containing surfactant), 5% of foam stabilizer, 25% of antifreeze agent, 4% of solubilizer and 30% of water; firstly, adding 15 percent of combined hydrocarbon surfactant (alkyl glycoside 10 percent + cocoamidopropyl betaine 5 percent) into pure water to be fully dissolved to form a component A; then 2 percent of the fluorocarbon surfactant without PFOS is added into the component A to be mixed to form a component B; then, 5% of foam stabilizer, 25% of antifreeze and 4% of solubilizer are uniformly mixed to form a component C, the component C is slowly added into the component B, and the component C and the component B are uniformly mixed and then are introduced into a stirring tank to be fedFully stirring to form reaction liquid, adjusting the pH value of the reaction liquid to 6.8-7.2, controlling the temperature to be about 40 ℃, standing and defoaming to prepare the PFOS-free aqueous film-forming foam extinguishing agent.
Example two:
the composition of the fire extinguishing agent comprises 23 percent of combined hydrocarbon surfactant (17 percent of alkyl glycoside + 6 percent of cocamidopropyl betaine) and 4 percent of fluorocarbon surfactant without PFOS (C)64% of fluorine-containing surfactant), 7% of foam stabilizer, 35% of antifreeze agent, 3% of solubilizer and 35% of water; firstly, 23 percent of combined hydrocarbon surfactant (17 percent of alkyl glycoside + 6 percent of cocamidopropyl betaine) is fully dissolved by adding pure water to form a component A; then 4 percent of the fluorine-carbon surfactant without PFOS is added into the component A to be mixed to form a component B; and then, uniformly mixing 7% of foam stabilizer, 35% of antifreeze and 3% of solubilizer to form a component C, slowly adding the component C into the component B, mixing the component C and the component B, introducing the mixture into a stirring tank, fully stirring to form a reaction solution, adjusting the pH value of the reaction solution to 6.8-7.0, controlling the temperature to be about 40 ℃, standing and defoaming, and thus obtaining the PFOS-free aqueous film-forming foam extinguishing agent.
Example three:
the composition of the fire extinguishing agent comprises 30 percent of combined hydrocarbon surfactant (alkyl glycoside 15% + cocamidopropyl betaine 15%) and 5 percent of fluorocarbon surfactant without PFOS (C)6 Fluorosurfactants 4% and C4Fluorine-containing surfactant%), foam stabilizer 8%, antifreeze agent 50%, solubilizer 4.5% and water 40%; firstly, 30 percent of combined hydrocarbon surfactant (15 percent of alkyl glycoside + 15 percent of cocamidopropyl betaine) is fully dissolved by adding pure water to form a component A; then 5 percent of the fluorocarbon surfactant without PFOS is added into the component A to be mixed to form a component B; and then, uniformly mixing 8% of foam stabilizer, 50% of antifreeze and 4.5% of solubilizer to form a component C, slowly adding the component C into the component B, mixing the component C and the component B, introducing the mixture into a stirring tank, fully stirring to form a reaction solution, adjusting the pH value of the reaction solution to 6.7-7.0, controlling the temperature to be about 40 ℃, standing and defoaming, and thus obtaining the PFOS-free aqueous film-forming foam extinguishing agent.
FIG. 1 shows the results of testing a 6% AFF/AR product made according to the compositions and methods of the present invention.
As shown in figure 1, all indexes of the PFOS-free aqueous film-forming foam extinguishing agent disclosed by the invention meet the requirements of reference standards (GB 15308-2006 foam extinguishing agent). Wherein, the foam extinguishing agent has biodegradation of more than or equal to 99 percent in 28 days, has good degradability and accords with the expected effect.
Experiments prove that the PFOS-free aqueous film-forming foam extinguishing agent disclosed by the invention is particularly suitable for preventing and extinguishing hydrocarbon fire.
In addition, the invention also discloses a method for preparing the PFOS-free and PFOA-free aqueous film-forming foam extinguishing agent, which comprises the following steps:
s1, weighing the combined hydrocarbon surfactant according to a designed proportion, adding the combined hydrocarbon surfactant into water, and stirring to form a component A;
s2, weighing a PFOS-free fluorocarbon surfactant according to a design proportion, and adding the surfactant into the component A to form a component B;
s3, weighing the foam stabilizer, the antifreeze and the solubilizer according to the designed proportion, uniformly mixing to form a component C, slowly adding the component C into the component B, introducing the component B into a stirring tank, fully stirring to form a reaction liquid, adjusting the pH value of the reaction liquid to be 7.0 +/-0.5, and controlling the temperature of the reaction liquid to be 40 +/-3 ℃; and the number of the first and second groups,
s4, standing the reaction solution for defoaming to obtain the PFOS-free aqueous film-forming foam extinguishing agent.
The PFOS-free aqueous film-forming foam extinguishing agent disclosed by the invention has higher environmental protection property and no pollution to the environment due to the fact that the PFOS-free fluorocarbon surfactant is used, and the extinguishing agent can be automatically degraded within a certain period, and the biodegradation reaches up to 99% in 28 days, so that the PFOS-free aqueous film-forming foam extinguishing agent is a real green environment-friendly product and is mainly used for preventing and extinguishing hydrocarbon fire; meanwhile, the excellent stability of the fire extinguishing agent is ensured by optimizing the components and the proportion of the fire extinguishing agent.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.

Claims (10)

1. The PFOS-free aqueous film-forming foam extinguishing agent is characterized by comprising, by weight, 12-30% of a combined hydrocarbon surfactant, 2-5% of a PFOS-free fluorocarbon surfactant, 5-8% of a foam stabilizer, 20-50% of an antifreeze agent, 3-5% of a solubilizer and 20-40% of water.
2. The PFOS-free aqueous film-forming foam extinguishing agent of claim 1, wherein the combined hydrocarbon surfactant is a combination of alkyl glycoside (APG) and cocamidopropyl betaine (KLH-30) or C8-C10A combination of an anionic surfactant and a nonionic surfactant of (a); the component of the PFOS-free fluorocarbon surfactant is C6Fluorosurfactants or C4A fluorosurfactant or a fluoropolymer product; the antifreeze agent comprises the component C2H6O2The solubilizer comprises CON2H4。
3. The PFOS-free aqueous film-forming foam extinguishing agent as claimed in claim 1, wherein the foam stabilizer is a thickener; the thickening agent is hydroxyethyl cellulose or hydroxypropyl cellulose, polyacrylamide or hydrolyzed polyacrylamide.
4. The PFOS-free aqueous film-forming foam extinguishing agent as claimed in claim 1, further comprising 0.05-1.5% by weight of preservative.
5. The PFOS-free aqueous film-forming foam fire extinguishing agent according to claim 4, wherein the preservative is sodium benzoate and/or potassium sorbate.
6. The PFOS-free aqueous film-forming foam extinguishing agent according to claim 1, wherein the fire extinguishing agent comprises the composition of 15% by weight of the combined hydrocarbon surfactant, 2% by weight of PFOS-free fluorocarbon surfactant, 5% by weight of foam stabilizer, 25% by weight of antifreeze, 4% by weight of solubilizer and 30% by weight of water.
7. The PFOS-free aqueous film-forming foam extinguishing agent according to claim 1, wherein the fire extinguishing agent comprises 23% by weight of the combined hydrocarbon surfactant, 4% by weight of PFOS-free fluorocarbon surfactant, 7% by weight of foam stabilizer, 35% by weight of antifreeze, 3% by weight of solubilizer and 35% by weight of water.
8. The PFOS-free aqueous film-forming foam extinguishing agent according to claim 1, wherein the fire extinguishing agent comprises the composition of 30% by weight of the combined hydrocarbon surfactant, 5% by weight of PFOS-free fluorocarbon surfactant, 8% by weight of foam stabilizer, 50% by weight of antifreeze, 4.5% by weight of solubilizer and 40% by weight of water.
9. The PFOS-free aqueous film-forming foam fire extinguishing agent according to any one of claims 1 to 7, wherein the PFOS-free aqueous film-forming foam fire extinguishing agent is suitable for use in the prevention and suppression of hydrocarbon fire.
10. A process for the preparation of PFOS-and PFOA-free aqueous film-forming foam extinguishants according to any one of claims 1 to 7, characterized in that it comprises the steps of:
s1, weighing the combined hydrocarbon surfactant according to a designed proportion, adding the combined hydrocarbon surfactant into water, and stirring to form a component A;
s2, weighing a PFOS-free fluorocarbon surfactant according to a design proportion, and adding the surfactant into the component A to form a component B;
s3, weighing the foam stabilizer, the antifreeze and the solubilizer according to the designed proportion, uniformly mixing to form a component C, slowly adding the component C into the component B, introducing the component B into a stirring tank, fully stirring to form a reaction liquid, adjusting the pH value of the reaction liquid to be 7.0 +/-0.5, and controlling the temperature of the reaction liquid to be 40 +/-3 ℃; and the number of the first and second groups,
s4, standing the reaction solution for defoaming to obtain the PFOS-free aqueous film-forming foam extinguishing agent.
CN201911385297.7A 2019-12-28 2019-12-28 PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof Pending CN111054012A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201911385297.7A CN111054012A (en) 2019-12-28 2019-12-28 PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof
CN202010778725.9A CN112206459A (en) 2019-12-28 2020-08-05 PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911385297.7A CN111054012A (en) 2019-12-28 2019-12-28 PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof

Publications (1)

Publication Number Publication Date
CN111054012A true CN111054012A (en) 2020-04-24

Family

ID=70304446

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201911385297.7A Pending CN111054012A (en) 2019-12-28 2019-12-28 PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof
CN202010778725.9A Pending CN112206459A (en) 2019-12-28 2020-08-05 PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202010778725.9A Pending CN112206459A (en) 2019-12-28 2020-08-05 PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof

Country Status (1)

Country Link
CN (2) CN111054012A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112774075A (en) * 2021-01-22 2021-05-11 江西省森智科技发展有限公司 Green environment-friendly water-based extinguishing agent
CN113559452A (en) * 2021-08-12 2021-10-29 京开消防科技(浙江)有限公司 Aqueous film-forming foam extinguishing agent and preparation method thereof
CN114699704A (en) * 2022-04-27 2022-07-05 中科永安(安徽)科技有限公司 PFOS-free seawater-resistant low-temperature-resistant aqueous film-forming foam extinguishing agent
CN114788943A (en) * 2022-04-22 2022-07-26 中科永安(安徽)科技有限公司 PFOS-free efficient seawater-resistant type aqueous film-forming foam extinguishing agent and preparation method thereof
CN115212508A (en) * 2022-06-08 2022-10-21 国网安徽省电力有限公司电力科学研究院 Special water film-forming foam extinguishing agent for transformer oil fire and preparation method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113577634A (en) * 2021-07-01 2021-11-02 上海雨木化工有限公司 Aqueous film-forming foam extinguishing agent and preparation method thereof
CN113521636A (en) * 2021-07-19 2021-10-22 石家庄海狮消防器材有限公司 Super cold-resistant environment-friendly aqueous film-forming foam extinguishing agent

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPN796096A0 (en) * 1996-02-08 1996-02-29 Orion Safety Industries Pty. Limited Fire fighting foams utilising saponins
CN103520870A (en) * 2013-10-17 2014-01-22 中国人民武装警察部队学院 Multifunctional water-based extinguishing agent and preparation method thereof
CN104190041A (en) * 2014-08-20 2014-12-10 中国科学技术大学先进技术研究院 Low-fluorine environment-friendly type aqueous film-forming foam fire extinguishing agent and preparation method thereof
CN104722003A (en) * 2015-03-27 2015-06-24 江苏锁龙消防科技股份有限公司 Cold-resistant aqueous film forming foam extinguishing agent
CN109481885A (en) * 2018-06-10 2019-03-19 江苏锁龙消防科技股份有限公司 A kind of no PFOS non-fusibility aqueous film-forming foam extinguishing agent
CN109481884A (en) * 2018-06-10 2019-03-19 江苏锁龙消防科技股份有限公司 A kind of no PFOS aqueous film-forming foam extinguishing agent
CN110478846B (en) * 2019-09-23 2021-08-13 中国科学技术大学 Environment-friendly aqueous film-forming foam extinguishing agent based on C6 type fluorocarbon surfactant

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112774075A (en) * 2021-01-22 2021-05-11 江西省森智科技发展有限公司 Green environment-friendly water-based extinguishing agent
CN113559452A (en) * 2021-08-12 2021-10-29 京开消防科技(浙江)有限公司 Aqueous film-forming foam extinguishing agent and preparation method thereof
CN114788943A (en) * 2022-04-22 2022-07-26 中科永安(安徽)科技有限公司 PFOS-free efficient seawater-resistant type aqueous film-forming foam extinguishing agent and preparation method thereof
CN114699704A (en) * 2022-04-27 2022-07-05 中科永安(安徽)科技有限公司 PFOS-free seawater-resistant low-temperature-resistant aqueous film-forming foam extinguishing agent
CN115212508A (en) * 2022-06-08 2022-10-21 国网安徽省电力有限公司电力科学研究院 Special water film-forming foam extinguishing agent for transformer oil fire and preparation method thereof

Also Published As

Publication number Publication date
CN112206459A (en) 2021-01-12

Similar Documents

Publication Publication Date Title
CN111054012A (en) PFOS-free aqueous film-forming foam extinguishing agent and preparation method thereof
US11338162B2 (en) Low molecular weight polyethylene glycol (PEG) in fluorine containing fire fighting foam concentrates
AU2017276294B2 (en) Trimethylglycine as a freeze suppressant in fire fighting foams
AU2017302283A1 (en) Firefighting foam compositions containing deep eutectic solvents
CN104190041A (en) Low-fluorine environment-friendly type aqueous film-forming foam fire extinguishing agent and preparation method thereof
CN110237480A (en) A kind of no PFOS non-fusibility aqueous film-forming foam extinguishing agent and preparation method thereof
CN104722003A (en) Cold-resistant aqueous film forming foam extinguishing agent
CN112675469A (en) Environment-friendly water-based fire extinguishing agent for fire fighting
KR101723833B1 (en) Foam extinguishing composition of multipurpose and environment-friendly
CN111054013A (en) Anti-solubility aqueous film-forming foam extinguishing agent and preparation method thereof
CN111054011A (en) Aqueous film-forming foam extinguishing agent and preparation method thereof
CN113750436A (en) Environment-friendly efficient aqueous film-forming foam extinguishing agent based on perfluoro-branched short-chain fluorocarbon
CN110237479A (en) A kind of no PFOS aqueous film-forming foam extinguishing agent
CN111111083A (en) Anti-solubility aqueous film-forming foam extinguishing agent and preparation method thereof
CN111054009A (en) Aqueous film-forming foam extinguishing agent and preparation method thereof
WO2009039297A1 (en) Fire fighting and cooling composition
CN111084955A (en) Fluoprotein foam extinguishing agent and preparation method thereof
CN111617428A (en) Chlorine-free aqueous film-forming foam extinguishing agent and preparation method thereof
CN111084956A (en) Foam extinguishing agent capable of being quickly biodegraded and preparation method thereof
CN111054010A (en) PFOS (perfluorooctanoic acid) and PFOA (perfluorooctanoic acid) free anti-solubility aqueous film-forming foam extinguishing agent and preparation method thereof
CN105126290A (en) Fluoride-free additive easy to degrade and preparing method and application thereof
CN113577634A (en) Aqueous film-forming foam extinguishing agent and preparation method thereof
CN114602113B (en) Aqueous film-forming foam extinguishing agent and preparation method thereof
CN114832268A (en) Foam extinguishing agent and preparation method and application thereof
KR102161400B1 (en) fire-extinguishing agents containing low-fluorinated surfactants and their preparing methods

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200424

WD01 Invention patent application deemed withdrawn after publication