CN103834010B - A kind of abietyl grafting poly-aspartate and preparation method thereof - Google Patents
A kind of abietyl grafting poly-aspartate and preparation method thereof Download PDFInfo
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- CN103834010B CN103834010B CN201410107424.8A CN201410107424A CN103834010B CN 103834010 B CN103834010 B CN 103834010B CN 201410107424 A CN201410107424 A CN 201410107424A CN 103834010 B CN103834010 B CN 103834010B
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Abstract
The present invention discloses a kind of abietyl grafting poly-aspartate, and open its preparation method and the application aspect water treatment. Does a kind of abietyl grafting poly-aspartate have following formula structure , wherein R is that rosin amine dehydrogenation residue has following formula structure
Description
Technical field
The invention belongs to Water Treatment Chemicals and application, a kind of abietyl grafting poly-aspartate and preparation thereof are providedMethod.
Background technology
Rosin is a kind of natural resources, has biodegradable, renewable and source is wide, lower-price characteristic. PineFragrant amine is a kind of fatty amine being derived by rosin, has the effect of inhibition, sterilization, algae removal, deinsectization, be therefore widely used withThe protection of hardware and cleaning and descaling, wood preservation, aspect pigment, paint, rubber, medicine, papermaking, weaving, application is also veryExtensively. But because dissolubility in its water is not good, limit its range of application, rosin amine has been carried out to modification and compensate its defect and have veryLarge value is the direction of rosin application study.
Patent CN101982460A discloses a kind of Dehydroabieticacyl thiourea derivatives, for anion as phosphate radical, vinegarThe identification receptor of acid group, chloroacetate root, sulfate radical, nitrate anion, chlorion or bromide ion etc. The reports such as what Wen Shen of Nanjing UniversityA kind of oil-soluble Rosin-based Imidazoline for the corrosion inhibiter of metal sour environment. Patent public affairs of Beijing Institute of Light IndustryOpen a kind of Abietyl quaternary ammonium salt N, N, the preparation method of N-trimethyl-N-abietyl methyl sulfate ammonium, and introduced its workFor the application of sterilization surfactant.
The above-mentioned character of the modification of rosin derivative having been improved to a certain extent to rosin, but all ignored biodegradationEnvironmental issue, increased the decomposition difficulty of original rosin, bring burden to environment.
Summary of the invention
The present invention discloses a kind of abietyl grafting poly-aspartate and its preparation method and application, by biodegradable pineFragrant amine is grafted to same biodegradable natural poly-aspartate side group, obtains a kind of water treatment medicine with scale inhibitorAgent. The method has not only been improved the water-soluble of rosin amine but also has been made this graft copolymer have effect of scale inhibition and inhibition simultaneously.
A kind of abietyl grafting poly-aspartate has structure I:
。
Ⅰ
Wherein R is that rosin amine dehydrogenation residue has structure II
。
Ⅱ
Concrete the present invention implements by following concrete scheme:
(1) maleic anhydride and ammoniacal liquor are joined in reactor and be neutralized into ammonium salt, then mediate pyrocondensation with kneader high temperaturePoly-reaction, obtains the gluey polysuccinimide of solid;
(2) gluey above-mentioned gained polysuccinimide and rosin amine are dissolved in organic solvent, add thermal response;
(3) reaction finishes to regulate pH value with sodium hydroxide solution, obtains brown color precipitation, filters with ethanol molten with mixing of waterAgent washing, dries.
Maleic anhydride and NH that above-mentioned steps (1) is described4·H2The mol ratio of O is 1:1.2 ~ 2.
The described ammoniacal liquor mass concentration of above-mentioned steps (1) is 20 ~ 30%.
The maleic anhydride that above-mentioned steps (1) is described and the neutral temperature of ammoniacal liquor are room temperature.
The temperature that the described maleic anhydride ammonium salt of above-mentioned steps (1) is mediated thermal polycondensation is 160 ~ 250 DEG C; Kneading thermal polycondensationTime is 0.5 ~ 2 hour.
The addition of the rosin amine described in above-mentioned steps (2) is 0.1 ~ 0.8 times of maleic anhydride mole.
The described organic solvent of above-mentioned steps (2) is benzene,toluene,xylene.
The rosin amine that above-mentioned steps (2) is described and the reaction temperature of polysuccinimide are 50 ~ 80 DEG C; Reaction time is0.5 ~ 5 hour.
What above-mentioned steps (3) was described uses sodium hydroxide solution regulation system pH value to 8 ~ 10; Mixing described in step (3) is moltenIn agent, the volume ratio of ethanol and water is 1 ~ 3:1.
Compared with prior art excellent beneficial feature of the present invention is: the compounds of this invention rosin grafting poly-aspartate has improvedRosin amine water-soluble expanded its application in water treatment field; Rosin grafting poly-aspartate has scale inhibition and inhibition simultaneouslyDouble effects, its rust inhibition is better than benzotriazole in the rosin amine content situation identical with benzotriazole amount; This chemical combinationThing has nontoxic, totally biodegradable, its application can not cause burden to environment, is that a kind of green of safety and environmental protection is producedProduct.
Detailed description of the invention
Embodiment 1
A kind of abietyl grafting poly-aspartate has structure
In its Chinese style, R is
This compound is used for the water treatments such as hardware pickling, recirculated cooling water, boiler water as a kind of corrosion-mitigation scale-inhibition baseField.
This compound abietyl grafting poly-aspartate is prepared by following concrete technology:
(1) by maleic anhydride and 25% ammoniacal liquor according to maleic anhydride and NH4·H2The mol ratio of O is that the ratio of 1:1.5 addsIn reactor, normal temperature is neutralized into ammonium salt, then mediates thermal polycondensation reaction 1 hour with 210 DEG C of kneaders, obtains the gluey poly-amber of solidAmber acid imide;
(2) rosin amine of 0.5 times of maleic anhydride mole and the gluey polysuccinimide of (1) step reaction gained are dissolved in to firstIn benzene, be heated to 60 DEG C of reactions 2.5 hours;
(3) reaction finishes to regulate pH value to 10 with sodium hydroxide solution, obtains brown color precipitation, and filtration is 2:1 by volume ratioEthanol and the mixed solvent washing of water, dry.
Embodiment 2
A kind of abietyl grafting poly-aspartate has structure
In its Chinese style, R is
This compound is used for the water treatments such as hardware pickling, recirculated cooling water, boiler water as a kind of corrosion-mitigation scale-inhibition baseField.
This compound abietyl grafting poly-aspartate is prepared by following concrete technology:
(1) by maleic anhydride and 20% ammoniacal liquor according to maleic anhydride and NH4·H2The mol ratio of O is that the ratio of 1:1.2 addsIn reactor, normal temperature is neutralized into ammonium salt, then mediates thermal polycondensation reaction 0.5 hour with 240 DEG C of kneaders, obtains solid gluey poly-Succinimide;
(2) rosin amine of 0.7 times of maleic anhydride mole and the gluey polysuccinimide of (1) step reaction gained are dissolved in to firstIn benzene, be heated to 55 DEG C of reactions 3 hours;
(3) reaction finishes to regulate pH value to 9 with sodium hydroxide solution, obtains brown color precipitation, and filtration is 2:1 by volume ratioThe mixed solvent washing of ethanol and water, dries.
Embodiment 3
A kind of abietyl grafting poly-aspartate has structure
In its Chinese style, R is
This compound is used for the water treatments such as hardware pickling, recirculated cooling water, boiler water as a kind of corrosion-mitigation scale-inhibition baseField.
This compound abietyl grafting poly-aspartate is prepared by following concrete technology:
(1) by maleic anhydride and 25% ammoniacal liquor according to maleic anhydride and NH4·H2The mol ratio of O is that the ratio of 1:1.5 addsIn reactor, normal temperature is neutralized into ammonium salt, then mediates thermal polycondensation reaction 2 hours with 180 DEG C of kneaders, obtains the gluey poly-amber of solidAmber acid imide;
(2) rosin amine of 0.2 times of maleic anhydride mole and the gluey polysuccinimide of (1) step reaction gained are dissolved in to firstIn benzene, be heated to 75 DEG C of reactions 1 hour;
(3) reaction finishes to regulate pH value to 10 with sodium hydroxide solution, obtains brown color precipitation, and filtration is 1:1 by volume ratioEthanol and the mixed solvent washing of water, dry.
Embodiment 4
A kind of abietyl grafting poly-aspartate has structure
In its Chinese style, R is
This compound is used for the water treatments such as hardware pickling, recirculated cooling water, boiler water as a kind of corrosion-mitigation scale-inhibition baseField.
This compound abietyl grafting poly-aspartate is prepared by following concrete technology:
(1) by maleic anhydride and 30% ammoniacal liquor according to maleic anhydride and NH4·H2The mol ratio of O is that the ratio of 1:1.8 addsIn reactor, normal temperature is neutralized into ammonium salt, then mediates thermal polycondensation reaction 1 hour with 170 DEG C of kneaders, obtains the gluey poly-amber of solidAmber acid imide;
(2) rosin amine of 0.8 times of maleic anhydride mole and the gluey polysuccinimide of (1) step reaction gained are dissolved in to firstIn benzene, be heated to 50 DEG C of reactions 4 hours;
(3) reaction finishes to regulate pH value to 8 with sodium hydroxide solution, obtains brown color precipitation, and filtration is 3:1 by volume ratioThe mixed solvent washing of ethanol and water, dries.
Claims (10)
1. an abietyl grafting poly-aspartate has structure I:
Ⅰ；
Wherein R has structural formula II:
Ⅱ。
2. a method of preparing abietyl grafting poly-aspartate described in claim 1, it comprises the steps:
(1) maleic anhydride and ammoniacal liquor are joined in reactor and be neutralized into ammonium salt, then mediate thermal polycondensation with kneader high temperature anti-Should, obtain the gluey polysuccinimide of solid;
(2) gluey above-mentioned gained polysuccinimide and rosin amine are dissolved in organic solvent, add thermal response;
(3) reaction finishes to regulate pH value with sodium hydroxide solution, obtains brown color precipitation, and filtration is washed with the mixed solvent of ethanol and waterWash, dry.
3. a kind of preparation method of abietyl grafting poly-aspartate according to claim 2, is characterized in that: step (1)Described maleic anhydride and the mol ratio of ammoniacal liquor are 1:1.2 ~ 2.
4. a kind of preparation method of abietyl grafting poly-aspartate according to claim 2, is characterized in that: step (1)Described ammoniacal liquor mass concentration is 20 ~ 30%.
5. a kind of preparation method of abietyl grafting poly-aspartate according to claim 2, is characterized in that: step (1)Described maleic anhydride and the neutral temperature of ammoniacal liquor are room temperature.
6. a kind of preparation method of abietyl grafting poly-aspartate according to claim 2, is characterized in that: step (1)The temperature that described maleic anhydride ammonium salt is mediated thermal polycondensation is 160 ~ 250 DEG C; The time of mediating thermal polycondensation is 0.5 ~ 2 hour.
7. a kind of preparation method of abietyl grafting poly-aspartate according to claim 2, is characterized in that: step (2)The addition of described rosin amine is 0.1 ~ 0.8 times of maleic anhydride mole.
8. a kind of preparation method of abietyl grafting poly-aspartate according to claim 2, is characterized in that: step (2)Described organic solvent is benzene,toluene,xylene.
9. a kind of preparation method of abietyl grafting poly-aspartate according to claim 2, is characterized in that: step (2)Described rosin amine and the reaction temperature of polysuccinimide are 50 ~ 80 DEG C; Reaction time is 0.5 ~ 5 hour.
10. a kind of preparation method of abietyl grafting poly-aspartate according to claim 2, is characterized in that: step (3)Described use sodium hydroxide solution regulation system pH value to 8 ~ 10; The volume of ethanol and water in mixed solvent described in step (3)Than being 1 ~ 3:1.
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| CN106336024B (en) * | 2016-10-17 | 2019-10-25 | 山东泰和水处理科技股份有限公司 | Four methylenephosphonic acid of isophorone diamine or its sodium salt and preparation method and application |
| CN111217961B (en) * | 2020-04-07 | 2021-06-25 | 山东新港化工有限公司 | Water-soluble pour point depressant for crude oil and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1085072A2 (en) * | 1999-09-15 | 2001-03-21 | Bayer Ag | Low-emission biodegradable adhesive |
| CN101768268A (en) * | 2010-02-11 | 2010-07-07 | 山东省泰和水处理有限公司 | Method for preparing polyaspartic acid by crystal condensation |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1085072A2 (en) * | 1999-09-15 | 2001-03-21 | Bayer Ag | Low-emission biodegradable adhesive |
| CN101768268A (en) * | 2010-02-11 | 2010-07-07 | 山东省泰和水处理有限公司 | Method for preparing polyaspartic acid by crystal condensation |
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Address after: No.1, Shiliquan East Road, Shizhong District, Zaozhuang City, Shandong Province 277100 Patentee after: Shandong Taihe Technology Co.,Ltd. Address before: Shandong Hong Village 277100 Zaozhuang City District Xi Wang Zhuang Xiang Patentee before: SHANDONG TAIHE WATER TREATMENT TECHNOLOGIES Co.,Ltd. |