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30results about How to "The preparation process is green and environment-friendly" patented technology
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Green environment-friendly polyether carboxylic acid ester corrosion inhibition and scale inhibitor and preparation method thereof
ActiveCN102086063AImprove performancePromote degradationScale removal and water softeningWater qualityCarboxylic acid
The invention relates to a green environment-friendly polyether carboxylic acid ester corrosion inhibition and scale inhibitor (APEL) and preparation method thereof. The corrosion and scale inhibitor is a phosphorus-free, nitrogen-free and biodegradable water treatment agent, which is applicable to industrial recirculated cooling water and is used for water quality corrosion inhibition and scale inhibition treatment. The corrosion inhibition scale inhibitor of the present invention is obtained by free radical copolymerization of polyether carboxylic acid ester reactive monomers and vinyl unsaturated double bond monomers, which comprise the following structural general formula: wherein A is monomer copolymerized constitutional repeating unit containing vinyl unsaturated double bond; R is Hor C1 to C5 low carbon alkyl; the degree of polymerization of x is 1 to 5000; the degree of polymerization of y is 1 to 5000; repeating unit amount of m is 1 to 100. The carboxylic acid ester corrosion inhibition and scale inhibitor has good compatibleness, can be used alone or in combination with other water treatment agents, like organic phosphate, zinc salt corrosion inhibitor.
Owner:JIANGSU JIANGHAI CHEM +1
Environment-friendly polyether multifunctional water treatment agent and preparation method thereof
InactiveCN102382271APromote degradationThe preparation process is green and environment-friendlyScale removal and water softeningPolymer scienceDouble bond
An environment-friendly polyether multifunctional water treatment agent and a preparation method thereof relate to a phosphorus-free, nitrogen-free and biodegradable environment-friendly polyether multifunctional water treatment agent (APEY) and a preparation method thereof. The water treatment agent is applicable to circulating cooling water systems, and particularly applicable to high-calcium cooling water quality; in the general structural formula of the water treatment agent, A is a vinyl-containing unsaturated double-bond monomer-copolymerized repeating structural unit, the degree of polymerization x is 2 to 5000, the degree of polymerization y is 2 to 5000, the degree of polymerization n is 2 to 5000, the degree of polymerization z is 2 to 5000, and the repeating unit m is 1 to 100.
Owner:SOUTHEAST UNIV
Environment-friendly polyethyleneglycol multifunctional water treatment agent and preparation method thereof
InactiveCN102786155AImprove performancePromote degradationScale removal and water softeningPolyethylene glycolDouble bond
An environment-friendly polyethyleneglycol multifunctional water treatment agent (namely PEGY) is prepared through free radical copolymerization of polyethyleneglycol carboxylic acid reaction monomers and monomers containing vinyl unsaturated double bonds. The structural formula of the environment-friendly polyethyleneglycol multifunctional water treatment agent figured as follows, wherein A represents a constitutional repeating unit formed after the polymerization of the monomers containing the vinyl unsaturated double bonds, the polymerization degree x is 1-5,000, the polymerization degree y is 1-5,000, the polymerization degree z is 1-5,000, the polymerization degree z is 1-5,000, and the number m of repeating units is 3-1000.
Owner:SOUTHEAST UNIV
Fluorescent tracing green environmental-friendly polyglycol type water treatment agent and preparation method thereof
ActiveCN102910745AThe preparation process is green and environment-friendlyEasy to operateScale removal and water softeningFluorescenceDouble bond
Owner:SOUTHEAST UNIV
Environment-friendly crude oil decalcifying agent
ActiveCN105713646AThe preparation process is green and environment-friendlyEasy to operateRefining with non-metalsHydrocarbon oils treatmentCalcium EDTAOrganic acid
The invention discloses an environment-friendly crude oil decalcifying agent. The decalcifying agent is an uniform transparent mixture with the solid content being 20-40 wt.% formed by mixing water and an organic compound at the room temperature. The organic compound is formed by mixing 30-50 wt.% of a chelating agent, 5-20 wt. / % of organic acid, 5-20 wt.% of a dispersing agent and 10-30 wt.% of a neutralizing agent at the room temperature. The prepared environment-friendly crude oil decalcifying agent is applicable to crude oil with the middle and high calcium content, calcium in crude oil can be effectively removed, and the decalcifying agent contains no phosphate and is environmentally friendly.
Owner:SOUTHEAST UNIV
Environment-friendly polyether antisludging agent and preparation method thereof
InactiveCN102516472AImprove performancePromote degradationScale removal and water softeningPolymer scienceDouble bond
The invention relates to an environment-friendly polyether antisludging agent. A polyether carboxylic reaction monomer, a vinyl-containing unsaturated double-bond carboxylic monomer and a vinyl-containing unsaturated double-bond carboxylic ester monomer are subjected to radical copolymerization, thereby obtaining the environment-friendly polyether antisludging agent. The structure formula is as follows, wherein A is a repeated structure unit after the vinyl-containing unsaturated double-bond carboxylic monomer is subjected to the radical copolymerization; B is the repeated structure unit after the vinyl-containing unsaturated double-bond carboxylic ester monomer is subjected to the radical copolymerization; R is H or C1-C5 low-carbon alkyl; n value is 2-10; the degree of polymerization x is 2-5000; the degree of polymerization y is 2-5000; the degree of polymerization z is 2-5000; and the repeated structure unit m is 1-100.
Owner:SOUTHEAST UNIV
Fluorescent-traced green and environment-friendly polyether corrosion and scale inhibiting and dispersing agent and preparation method thereof
InactiveCN102807286AImprove performancePromote degradationScale removal and water softeningPolymer scienceFluorescence
The invention provides a fluorescent-traced green and environment-friendly polyether corrosion and scale inhibiting and dispersing agent (APEYYG) and a preparation method of the fluorescent-traced green and environment-friendly polyether corrosion and scale inhibiting and dispersing agent. The fluorescent-traced green and environment-friendly polyether corrosion and scale inhibiting and dispersing agent is prepared by copolymerizing a polyether carboxylic reactive monomer and a fluorescent monomer with unsaturated double bonds through free radicals; the agent has a structural formula (see the accompanying drawing), wherein A is a repetition structure unit obtained by copolymerizing the fluorescent monomer with unsaturated double bonds, the polymerization degree x is 5 to 5000, the polymerization degree y is 5 to 5000 the polymerization degree p is 5 to 5000, and the repetitive unit n is 1 to 100.
Owner:SOUTHEAST UNIV
Polyether carboxylic ester corrosion and scale inhibitor marked by fluorescence and preparation method thereof
InactiveCN102826664AGood biodegradabilityThe preparation process is green and environment-friendlyScale removal and water softeningFluorescenceCarboxylic ester
A polyether carboxylic ester corrosion and scale inhibitor marked by fluorescence is prepared by conducting radical copolymerization on a polyether carboxylic ester reaction monomer, a monomer containing vinyl unsaturated double bonds and a fluorescence monomer containing unsaturated double bonds. A structural general formula of the polyether carboxylic ester corrosion and scale inhibitor marked by fluorescence is shown in the specification, wherein A is of a repeating structure unit after the polymerization of the monomer containing the vinyl unsaturated double bonds, B is of a repeating structure unit of the polymerization of the fluorescence monomer containing the unsaturated double bonds, and R is H or C1-C5 low-carbon alkyl; and the polymerization degree x is 1-5000, the polymerization degree y is 1-5000, the polymerization degree z is 1-5000, and the repeated unit number m is 1-100.
Owner:SOUTHEAST UNIV
Environment-friendly water treatment agent capable of realizing fluorescence tracing, and preparation method thereof
InactiveCN107586361AExcellent calcium sulfate scale effectImprove performanceWater/sewage treatmentAlcoholFluorescence
The invention discloses an environment-friendly water treatment agent capable of realizing fluorescence tracing. The environment-friendly water treatment agent capable of realizing fluorescence tracing is obtained via water phase free radical copolymerization of an isopentenyl alcohol ester monmer and a monomer containing vinyl unsaturated double bonds with a fluorescent monomer capable of realizing fluorescence tracing. The general structural formula is disclosed in the invention, wherein A is used for representing structural repeat units obtained via copolymerization of the monomer containing vinyl unsaturated double bonds, B is used for representing structural repeat units obtained via polymerization of the fluorescent monomer containing unsaturated double bonds, polymerization degreesx and y range from 1 to 5000, the numbers of the repeat units m and n range from 1 to 100. The environment-friendly water treatment agent is excellent in compatibleness, can be used alone, and also can be combined with water treatment agents such as organic phosphates, and zinc corrosion inhibitors.
Owner:ANHUI UNIVERSITY
Environment-friendly crude oil decalcifying agent and preparation method thereof
ActiveCN105924591AThe preparation process is green and environment-friendlyEasy to operateHydrocarbon oils refiningDouble bondAmino acid
The invention relates to an environment-friendly polyether multipolymer crude oil decalcifying agent with stable performance, in particular to an environment-friendly crude oil decalcifying agent and a preparation method thereof. The crude oil decalcifying agent has excellent decalcifying performance, and is prepared from polyether amino-acid ester reaction monomers, allyl thiourea and unsaturated double-bond monomers containing vinyl through free radical polymerization. The general structural formula is shown in the description, wherein A is a repetitive structure unit generated after copolymerization of the unsaturated double-bond monomers containing vinyl, R is -CH2-SH or -(CH2)2-CONH2, the polymerization degree x is 2-500, the polymerization degree y is 2-500, the polymerization degree z is 2-500, and the repetitive unit m is 3-100.
Owner:SOUTHEAST UNIV
Environment-friendly dendritic polyether dirt dispersion agent and preparation method thereof
InactiveCN102674567AImprove performancePromote degradationScale removal and water softeningPolymer scienceCarboxylic acid
The invention discloses an environment-friendly dendritic polyether dirt dispersion agent (APELL), relates to an environment-friendly dendritic polyether dirt dispersion agent which is free from phosphorus, is not nitrogen and is biodegradable, and a preparation method thereof and belongs to the preparation and application range of water treatment agent. The environment-friendly dendritic polyether dirt dispersion agent is suitable for a circulating cooling water system, and is especially suitable for high-calcium cooling water quality. The environment-friendly dendritic polyether dirt dispersion agent is obtained by the free radical copolymerization of a polyether carboxylic acid reaction monomer and vinyl-contained unsaturated double-bond monomer. The environment-friendly dendritic polyether dirt dispersion agent has a general structure formula shown in the specification, wherein A is a copolymerized repeated structure after the vinyl-contained unsaturated double-bond monomer is copolymerized, a polymerization degree x is 1-5000, a polymerization degree y is 1-5000, and a repeated unit m is 1-100. The dirt dispersion agent is biodegradable, has excellent effect on resisting Ca3(PO4)2, CaCO3 and CaSO4 scales, has good dispersion performance and is the environment-friendly polyether multifunctional water treatment agent.
Owner:SOUTHEAST UNIV
Environment-friendly polyglycol ether multifunctional water treatment agent and preparation method thereof
InactiveCN102786151APromote degradationThe preparation process is green and environment-friendlyScale removal and water softeningPolyethylene glycolEther
An environment-friendly polyglycol ether multifunctional water treatment agent (namely PEGEY) is prepared through free radical copolymerization of polyglycol ether carboxylic acid reaction monomers and monomers containing vinyl unsaturated double bonds. The structural formula of the environment-friendly polyglycol ether multifunctional water treatment agent is figured as follows, wherein A represents a constitutional repeating unit formed after the polymerization of the monomers containing the vinyl unsaturated double bonds, the polymerization degree x is 1-5,000, the polymerization degree y is 1-5,000, the number m of repeating units is 3-1,000, and R represents C1-C18 saturated alkyl.
Owner:SOUTHEAST UNIV
Fluorescent tracing non-phosphate polyether multifunctional water treatment agent and preparation method of water treatment agent
ActiveCN102786623AGood biodegradabilityThe preparation process is green and environment-friendlyScale removal and water softeningFluorescenceDouble bond
Owner:SOUTHEAST UNIV
Fluorescent tracing green environmental-friendly polyglycol ether water treatment agent and preparation method thereof
InactiveCN102910744APromote degradationThe preparation process is green and environment-friendlyScale removal and water softeningFluorescencePolyethylene glycol
The invention discloses a fluorescent tracing green environmental-friendly polyglycol ether water treatment agent (namely PEGEYYG) which is prepared by carrying out free radical copolymerization on a polyglycol ether carboxylic acid reaction monomer, a monomer containing vinyl unsaturated double-bond and a fluorescent monomer containing unsaturated double-bond. According to the structural general formula of the water treatment agent, A is a repeating structure unit after the polymerization of the monomer containing the vinyl unsaturated double-bond, B is a repeating structure unit after the polymerization of the fluorescent monomer containing the unsaturated double-bond, the polymerization degrees x, y and z are respectively 1-5000, the repeating unit m is 3-1000, and R refers to saturated alkyl of C1-C18.
Owner:SOUTHEAST UNIV
Environment-friendly dendritic polyether dirt dispersion agent and preparation method thereof
InactiveCN102674567BPromote degradationThe preparation process is green and environment-friendlyScale removal and water softeningPolymer scienceCarboxylic acid
Owner:SOUTHEAST UNIV
Modified polypropylene glycol soil remediation agent and preparation method thereof
InactiveCN111718722AGood heavy metal chelating performanceThe preparation process is green and environment-friendlyContaminated soil reclamationOrganic fertilisersComposite materialDouble bond
A modified polypropylene glycol soil remediation agent is prepared by free radical copolymerization of a polypropylene glycol ester monomer, a modified beta-cyclodextrin monomer, a monomer containingvinyl unsaturated double bonds and magnetic ferroferric oxide containing unsaturated double bonds, and has a general structure formula shown in the specification, wherein A is a repeating structural unit obtained after copolymerization of monomers containing vinyl unsaturated double bonds, B is magnetic ferroferric oxide containing unsaturated double bonds, the polymerization degree x, y and z are1-5000, and the number m and n of repeating units are 1-100. The soil remediation agent is good in compatibility, can be compounded with sepiolite, lime and other soil remediation agents for use, andcan also be independently used.
Owner:ANHUI UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
Environment-friendly branched polyether water treatment agent and preparation method thereof
InactiveCN102807285AImprove performancePromote degradationScale removal and water softeningWater qualityNitrogen
The invention provides an environment-friendly branched polyether water treatment agent (APEZ), and relates to a phosphorus-free and nitrogen-free and biodegradable environment-friendly branched polyether water treatment agent and a preparation method of the water treatment agent, belongs to the field of preparation and application of water treatment agents, and is applicable to a circulating cooling water system, in particular to high-calcium cooling water. The water treatment agent is prepared by subjecting polyether carboxylic acid reactive monomer and vinyl unsaturated double-bond containing monomer to free-radical copolymerization, and the water treatment agent has a structural formula shown in the description, wherein A is a repetition structure unit obtained by copolymerizing the vinyl unsaturated double-bond containing monomer, and the repetition structure unit has the polymerization degree x of 1 to 5000, and polymerization degree y of 1 to 5000, and the repetitive unit m is 1 to 100. A dirt dispersion agent is biodegradable, has excellent effect of inhibiting scales from Ca3 (PO4)2, CaCo3 and CaSO4, and high dispersion performance, and is an environment-friendly polyether water treatment agent.
Owner:SOUTHEAST UNIV
Fluorescent labeled phosphorus-free and environment-friendly polyether multifunctional water treatment agent and preparation method thereof
InactiveCN102807287AGood biodegradabilityThe preparation process is green and environment-friendlyScale removal and water softeningFluorescenceDouble bond
The invention provides a fluorescent labeled phosphorus-free and environment-friendly polyether multifunctional water treatment agent (PEGDEYG). The fluorescent labeled phosphorus-free and environment-friendly polyether multifunctional water treatment agent is prepared by subjecting polyethylene glycol alkadiene ether, monomer with vinyl unsaturated double bond, and fluorescent monomer with unsaturated double bondto free-radical copolymerization; the agent has a structural formula shown in the description, wherein A is a repetition structure unit obtained by copolymerizing the monomer with vinyl unsaturated double bond, G is -CH2-O- or -O-; and the repetition structure unit has the polymerization degree x of 1 to 5000, and polymerization degree y of 1 to 5000, polymerization degree z of 1 to 5000, polymerization degree p of 1 to 5000, polymerization degree q of 1 to 5000, polymerization degree r of 1 to 5000, and the repetitive unit m is 3 to 1000.
Owner:SOUTHEAST UNIV
An environment-friendly crude oil decalcifier
ActiveCN105713646BThe preparation process is green and environment-friendlyAtom economyRefining with non-metalsHydrocarbon oils treatmentOrganic acidPhosphate
The invention discloses an environment-friendly crude oil decalcifying agent. The decalcifying agent is an uniform transparent mixture with the solid content being 20-40 wt.% formed by mixing water and an organic compound at the room temperature. The organic compound is formed by mixing 30-50 wt.% of a chelating agent, 5-20 wt. / % of organic acid, 5-20 wt.% of a dispersing agent and 10-30 wt.% of a neutralizing agent at the room temperature. The prepared environment-friendly crude oil decalcifying agent is applicable to crude oil with the middle and high calcium content, calcium in crude oil can be effectively removed, and the decalcifying agent contains no phosphate and is environmentally friendly.
Owner:SOUTHEAST UNIV
Fluorescent tracing green environmental-friendly polyglycol type water treatment agent and preparation method thereof
ActiveCN102910745BImprove performancePromote degradationScale removal and water softeningFluorescencePolyethylene glycol
Owner:SOUTHEAST UNIV
Environment-friendly branched polyether water treatment agent and preparation method thereof
InactiveCN102807285BImprove performancePromote degradationScale removal and water softeningWater qualityNitrogen
The invention provides an environment-friendly branched polyether water treatment agent (APEZ), and relates to a phosphorus-free and nitrogen-free and biodegradable environment-friendly branched polyether water treatment agent and a preparation method of the water treatment agent, belongs to the field of preparation and application of water treatment agents, and is applicable to a circulating cooling water system, in particular to high-calcium cooling water. The water treatment agent is prepared by subjecting polyether carboxylic acid reactive monomer and vinyl unsaturated double-bond containing monomer to free-radical copolymerization, and the water treatment agent has a structural formula shown in the description, wherein A is a repetition structure unit obtained by copolymerizing the vinyl unsaturated double-bond containing monomer, and the repetition structure unit has the polymerization degree x of 1 to 5000, and polymerization degree y of 1 to 5000, and the repetitive unit m is 1 to 100. A dirt dispersion agent is biodegradable, has excellent effect of inhibiting scales from Ca3 (PO4)2, CaCo3 and CaSO4, and high dispersion performance, and is an environment-friendly polyether water treatment agent.
Owner:SOUTHEAST UNIV
Phosphorus-free environment-friendly polyether multifunctional water treatment agent and preparation method thereof
InactiveCN102786153AGood biodegradabilityThe preparation process is green and environment-friendlyScale removal and water softeningDouble bondRepeat unit
Polyethylene glycol diene ether and monomer containing vinyl unsaturated double bonds undergo radical copolymerization, so that a phosphorus-free environment-friendly polyether multifunctional water treatment agent (PEGDE) is obtained. In the general structural formula of the phosphorus-free environment-friendly polyether multifunctional water treatment agent, A is the constitutional repeating unit of the polymerized monomer containing vinyl unsaturated double bonds, G is -CH2-O- or -O-, the degree of polymerization x is 1 to 5000, the degree of polymerization y is 1 to 5000, the degree of polymerization z is 1 to 5000, the degree of polymerization p is 1 to 5000, and the repeating unit m is 3 to 1000.
Owner:SOUTHEAST UNIV
Fluorescent-traced green and environment-friendly polyether corrosion and scale inhibiting and dispersing agent and preparation method thereof
InactiveCN102807286BImprove performancePromote degradationScale removal and water softeningPolymer scienceFluorescence
The invention provides a fluorescent-traced green and environment-friendly polyether corrosion and scale inhibiting and dispersing agent (APEYYG) and a preparation method of the fluorescent-traced green and environment-friendly polyether corrosion and scale inhibiting and dispersing agent. The fluorescent-traced green and environment-friendly polyether corrosion and scale inhibiting and dispersing agent is prepared by copolymerizing a polyether carboxylic reactive monomer and a fluorescent monomer with unsaturated double bonds through free radicals; the agent has a structural formula (see the accompanying drawing), wherein A is a repetition structure unit obtained by copolymerizing the fluorescent monomer with unsaturated double bonds, the polymerization degree x is 5 to 5000, the polymerization degree y is 5 to 5000 the polymerization degree p is 5 to 5000, and the repetitive unit n is 1 to 100.
Owner:SOUTHEAST UNIV
Environment-friendly polyether antisludging agent and preparation method thereof
InactiveCN102516472BImprove performancePromote degradationScale removal and water softeningPolymer scienceDouble bond
Owner:SOUTHEAST UNIV
Green environment-friendly corrosion and scale inhibiting dispersant and its preparation method
ActiveCN102491541BImprove performancePromote degradationScale removal and water softeningGreen environmentPolymer science
The invention relates to a green environment-friendly corrosion and scale inhibiting dispersant (APEYY), which is prepared by free radical self-polymerization of a polyether carboxylic acid reaction monomer. The structural general formula of the dispersant is shown as the following, wherein, the polymerization degree x is 5-5000, the polymerization degree y is 5-5000, and the repeating unit number n is 1-100.
Owner:JIANGSU JIANGHAI CHEM +1
Fluorescent tracing green environmental-friendly polyglycol ether water treatment agent and preparation method thereof
InactiveCN102910744BPromote degradationThe preparation process is green and environment-friendlyScale removal and water softeningFluorescencePolyethylene glycol
The invention discloses a fluorescent tracing green environmental-friendly polyglycol ether water treatment agent (namely PEGEYYG) which is prepared by carrying out free radical copolymerization on a polyglycol ether carboxylic acid reaction monomer, a monomer containing vinyl unsaturated double-bond and a fluorescent monomer containing unsaturated double-bond. According to the structural general formula of the water treatment agent, A is a repeating structure unit after the polymerization of the monomer containing the vinyl unsaturated double-bond, B is a repeating structure unit after the polymerization of the fluorescent monomer containing the unsaturated double-bond, the polymerization degrees x, y and z are respectively 1-5000, the repeating unit m is 3-1000, and R refers to saturated alkyl of C1-C18.
Owner:SOUTHEAST UNIV
Fluorescent tracing non-phosphate polyether multifunctional water treatment agent and preparation method of water treatment agent
ActiveCN102786623BPromote degradationThe preparation process is green and environment-friendlyScale removal and water softeningPolymer scienceDouble bond
The invention relates to a fluorescent tracing non-phosphate polyether multifunctional water treatment agent (APEGYG), which is prepared from polyether monomers, monomers containing vinyl unsaturated double bonds and fluorescent monomers containing unsaturated double bonds through free radical copolymerization. The APEGYG has a structure formula shown as the accompanying drawing, wherein A is a repeated structure unit after polymerization of the monomers containing vinyl unsaturated double bonds, B is a repeated structure unit after polymerization of the fluorescent monomers containing unsaturated double bonds, G is -CH2-O- or -O-, the polymerization degree x is 5 to 5000, the polymerization degree y is 5 to 500, the polymerization degree z is 5 to 5000, and the repeated unit m is 5 to 100.
Owner:SOUTHEAST UNIV
A kind of environment-friendly crude oil decalcification agent and preparation method thereof
ActiveCN105924591BThe preparation process is green and environment-friendlyPromote degradationHydrocarbon oils refiningThioureaDouble bond
The invention relates to an environment-friendly polyether multipolymer crude oil decalcifying agent with stable performance, in particular to an environment-friendly crude oil decalcifying agent and a preparation method thereof. The crude oil decalcifying agent has excellent decalcifying performance, and is prepared from polyether amino-acid ester reaction monomers, allyl thiourea and unsaturated double-bond monomers containing vinyl through free radical polymerization. The general structural formula is shown in the description, wherein A is a repetitive structure unit generated after copolymerization of the unsaturated double-bond monomers containing vinyl, R is -CH2-SH or -(CH2)2-CONH2, the polymerization degree x is 2-500, the polymerization degree y is 2-500, the polymerization degree z is 2-500, and the repetitive unit m is 3-100.
Owner:SOUTHEAST UNIV
Environment-friendly polyglycol ether multifunctional water treatment agent and preparation method thereof
InactiveCN102786151BPromote degradationThe preparation process is green and environment-friendlyPolyethylene glycolEther
An environment-friendly polyglycol ether multifunctional water treatment agent (namely PEGEY) is prepared through free radical copolymerization of polyglycol ether carboxylic acid reaction monomers and monomers containing vinyl unsaturated double bonds. The structural formula of the environment-friendly polyglycol ether multifunctional water treatment agent is figured as follows, wherein A represents a constitutional repeating unit formed after the polymerization of the monomers containing the vinyl unsaturated double bonds, the polymerization degree x is 1-5,000, the polymerization degree y is 1-5,000, the number m of repeating units is 3-1,000, and R represents C1-C18 saturated alkyl.
Owner:SOUTHEAST UNIV
Environment-friendly multifunctional water treatment agent for circulation cooling water and preparation method of water treatment agent
InactiveCN108658261AReduced risk of foulingIncrease the concentration that can existSpecific water treatment objectivesScale removal and water softeningEnvironmental resistancePolypropylene glycol
The invention provides an environment-friendly multifunctional water treatment agent for circulation cooling water and a preparation method of the water treatment agent. The environmentally-friendly multifunctional water treatment agent is composed of PPG-MA / AA (copolymer of monomer of maleic anhydride ring-opening esterified polypropylene glycol and acrylic acid), polyacrylic acid, sodium hydroxide and pure water, wherein the mass ratio of the PPG-MA / AA, polyacrylic acid, sodium hydroxide and pure water is (5-25):(5-15):(1-15):(35-75). The multifunctional water treatment agent has stable performance under the application conditions of high-temperature high-hardness circulation water, has excellent effects of resisting CaCO3, CaSO4 and BaSO4, has a significant effect of dispersing iron pollution, and can be widely applied to treatment of the high-temperature high-hardness circulation water and conventional water and other fields. The multifunctional water treatment agent has the characteristics that the water treatment agent is obtained by compounding the following components: in percent by mass, 5-25% of PPG-MA / AA, 5-15% of polyacrylic acid, 1-15% of sodium hydroxide, 35-75% of pure water, and the product has the appearance of pale yellow liquid and a density of 1.1+ / -0.05.
Owner:ANHUI UNIVERSITY OF TRADITIONAL CHINESE MEDICINE
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