CN101553508B - 乙烯基酰胺聚合物的乙二醛化 - Google Patents
乙烯基酰胺聚合物的乙二醛化 Download PDFInfo
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- CN101553508B CN101553508B CN200780033236.3A CN200780033236A CN101553508B CN 101553508 B CN101553508 B CN 101553508B CN 200780033236 A CN200780033236 A CN 200780033236A CN 101553508 B CN101553508 B CN 101553508B
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- amide polymer
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- vinyl amide
- vinyl
- polymer
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- 229920000642 polymer Polymers 0.000 title claims description 181
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 title claims description 180
- 238000006243 chemical reaction Methods 0.000 claims abstract description 92
- 238000000034 method Methods 0.000 claims abstract description 85
- 229920002678 cellulose Polymers 0.000 claims abstract description 30
- 239000001913 cellulose Substances 0.000 claims abstract description 30
- 239000011087 paperboard Substances 0.000 claims abstract description 8
- ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 claims description 67
- 150000001408 amides Chemical class 0.000 claims description 45
- 239000011541 reaction mixture Substances 0.000 claims description 43
- 239000000178 monomer Substances 0.000 claims description 40
- 239000000126 substance Substances 0.000 claims description 40
- 125000002091 cationic group Chemical group 0.000 claims description 36
- 229920002554 vinyl polymer Polymers 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- -1 alkyl (methyl) acrylic amide Chemical compound 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 20
- 239000012070 reactive reagent Substances 0.000 claims description 18
- 125000000129 anionic group Chemical group 0.000 claims description 15
- 239000011111 cardboard Substances 0.000 claims description 13
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 13
- 238000006555 catalytic reaction Methods 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 9
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- 239000000654 additive Substances 0.000 claims description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 5
- 150000001299 aldehydes Chemical group 0.000 claims description 5
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- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 235000019270 ammonium chloride Nutrition 0.000 claims description 4
- HNRMPXKDFBEGFZ-UHFFFAOYSA-N ethyl trimethyl methane Natural products CCC(C)(C)C HNRMPXKDFBEGFZ-UHFFFAOYSA-N 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 125000003368 amide group Chemical group 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229920001519 homopolymer Polymers 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- HCLJOFJIQIJXHS-UHFFFAOYSA-N 2-[2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOCCOC(=O)C=C HCLJOFJIQIJXHS-UHFFFAOYSA-N 0.000 claims description 2
- WWMIMRADNBGDHP-UHFFFAOYSA-N 2-hydroxyhexanedial Chemical compound O=CC(O)CCCC=O WWMIMRADNBGDHP-UHFFFAOYSA-N 0.000 claims description 2
- UYWLALLBUXELFT-UHFFFAOYSA-N 2-methyl-1-(4-methylpiperazin-1-yl)prop-2-en-1-one Chemical compound CN1CCN(C(=O)C(C)=C)CC1 UYWLALLBUXELFT-UHFFFAOYSA-N 0.000 claims description 2
- MTUMNGWMSUPZHE-UHFFFAOYSA-N C=NC(C=C(C)C)=O Chemical group C=NC(C=C(C)C)=O MTUMNGWMSUPZHE-UHFFFAOYSA-N 0.000 claims description 2
- 229920002085 Dialdehyde starch Polymers 0.000 claims description 2
- 239000004258 Ethoxyquin Substances 0.000 claims description 2
- BRDWIEOJOWJCLU-LTGWCKQJSA-N GS-441524 Chemical group C=1C=C2C(N)=NC=NN2C=1[C@]1(C#N)O[C@H](CO)[C@@H](O)[C@H]1O BRDWIEOJOWJCLU-LTGWCKQJSA-N 0.000 claims description 2
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 2
- XZKRXPZXQLARHH-UHFFFAOYSA-N buta-1,3-dienylbenzene Chemical compound C=CC=CC1=CC=CC=C1 XZKRXPZXQLARHH-UHFFFAOYSA-N 0.000 claims description 2
- 125000004386 diacrylate group Chemical group 0.000 claims description 2
- DECIPOUIJURFOJ-UHFFFAOYSA-N ethoxyquin Chemical compound N1C(C)(C)C=C(C)C2=CC(OCC)=CC=C21 DECIPOUIJURFOJ-UHFFFAOYSA-N 0.000 claims description 2
- 229940093500 ethoxyquin Drugs 0.000 claims description 2
- 235000019285 ethoxyquin Nutrition 0.000 claims description 2
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 2
- 150000002240 furans Chemical class 0.000 claims description 2
- ILCQQHAOOOVHQJ-UHFFFAOYSA-N n-ethenylprop-2-enamide Chemical compound C=CNC(=O)C=C ILCQQHAOOOVHQJ-UHFFFAOYSA-N 0.000 claims description 2
- MLGWTHRHHANFCC-UHFFFAOYSA-N prop-2-en-1-amine;hydrochloride Chemical compound Cl.NCC=C MLGWTHRHHANFCC-UHFFFAOYSA-N 0.000 claims description 2
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 4
- 239000005977 Ethylene Substances 0.000 claims 4
- LDHQCZJRKDOVOX-UHFFFAOYSA-N 2-butenoic acid Chemical compound CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 claims 1
- 125000005907 alkyl ester group Chemical group 0.000 claims 1
- YPHQUSNPXDGUHL-UHFFFAOYSA-N n-methylprop-2-enamide Chemical class CNC(=O)C=C YPHQUSNPXDGUHL-UHFFFAOYSA-N 0.000 claims 1
- 159000000000 sodium salts Chemical class 0.000 claims 1
- 239000000123 paper Substances 0.000 abstract description 27
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 abstract description 12
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- 238000001879 gelation Methods 0.000 abstract description 8
- 229940015043 glyoxal Drugs 0.000 abstract description 6
- UYMKPFRHYYNDTL-UHFFFAOYSA-N ethenamine Chemical class NC=C UYMKPFRHYYNDTL-UHFFFAOYSA-N 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 16
- 239000000243 solution Substances 0.000 description 15
- 239000003921 oil Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 235000011121 sodium hydroxide Nutrition 0.000 description 6
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- 239000012071 phase Substances 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000012736 aqueous medium Substances 0.000 description 4
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- 239000002245 particle Substances 0.000 description 4
- 229920000768 polyamine Polymers 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
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- 230000002194 synthesizing effect Effects 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- OFNISBHGPNMTMS-UHFFFAOYSA-N 3-methylideneoxolane-2,5-dione Chemical compound C=C1CC(=O)OC1=O OFNISBHGPNMTMS-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- 206010016590 Fibrin deposition on lens postoperative Diseases 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 238000012726 Water-in-Oil Emulsion Polymerization Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
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- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
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- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 2
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
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- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
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- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
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- RRIFVBLGSXFWSL-UHFFFAOYSA-N methane;sulfuric acid Chemical compound C.C.OS(O)(=O)=O RRIFVBLGSXFWSL-UHFFFAOYSA-N 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012703 microemulsion polymerization Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- WFKDPJRCBCBQNT-UHFFFAOYSA-N n,2-dimethylprop-2-enamide Chemical group CNC(=O)C(C)=C WFKDPJRCBCBQNT-UHFFFAOYSA-N 0.000 description 1
- ZIWDVJPPVMGJGR-UHFFFAOYSA-N n-ethyl-2-methylprop-2-enamide Chemical compound CCNC(=O)C(C)=C ZIWDVJPPVMGJGR-UHFFFAOYSA-N 0.000 description 1
- AOMNOJHFOAETKK-UHFFFAOYSA-M n-methylprop-2-enamide;trimethyl(propyl)azanium;chloride Chemical compound [Cl-].CNC(=O)C=C.CCC[N+](C)(C)C AOMNOJHFOAETKK-UHFFFAOYSA-M 0.000 description 1
- XFHJDMUEHUHAJW-UHFFFAOYSA-N n-tert-butylprop-2-enamide Chemical compound CC(C)(C)NC(=O)C=C XFHJDMUEHUHAJW-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000012053 oil suspension Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920000962 poly(amidoamine) Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 238000003822 preparative gas chromatography Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000004879 turbidimetry Methods 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Paper (AREA)
Abstract
Description
添加剂 | 无 | “B”加合物 | “E”加合物 | “G”加合物 | 市售产品* |
负载Kg | 8.55 | 8.59 | 9.34 | 9.14 | 8.99 |
样品标记 | 检测出的残留的乙二醛(wt%) | 预反应乙二醛(wt%) | 所消耗的反应物乙二醛的百分比 |
“1” | 0.176 | 0.31 | 43.2% |
“2” | 0.203 | 0.31 | 34.5% |
“3” | 0.059 | 0.31 | 81.0% |
市售样品 | 0.362 | 未知 | 未知 |
添加剂 | 无 | 加合物“1” | 加合物“3” |
负荷Kg | 8.55 | 8.98 | 9.18 |
样品 | A | B | C |
Mw* | 100,578 | 298,269 | 100,661 |
样品 | D | E |
Mw* | 347,937 | 10,503 |
Claims (19)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84315606P | 2006-09-07 | 2006-09-07 | |
US60/843,156 | 2006-09-07 | ||
US85118806P | 2006-10-12 | 2006-10-12 | |
US60/851,188 | 2006-10-12 | ||
PCT/EP2007/059096 WO2008028865A2 (en) | 2006-09-07 | 2007-08-31 | Glyoxalation of vinylamide polymer |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201110281485.2A Division CN102408519B (zh) | 2006-09-07 | 2007-08-31 | 乙烯基酰胺聚合物的乙二醛化 |
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CN101553508A CN101553508A (zh) | 2009-10-07 |
CN101553508B true CN101553508B (zh) | 2012-12-26 |
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CN200780033236.3A Active CN101553508B (zh) | 2006-09-07 | 2007-08-31 | 乙烯基酰胺聚合物的乙二醛化 |
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ZA (1) | ZA200900927B (zh) |
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CN102115998B (zh) * | 2010-12-31 | 2014-01-15 | 永港伟方(北京)科技股份有限公司 | 造纸用干强剂及其制备方法和应用 |
BR112014013259B1 (pt) * | 2011-12-06 | 2020-09-29 | Basf Se | Método para preparar um aduto de polivinilamida funcionalizado reativo de celulose, e, aduto de polivinilamida funcionalizado reativo de celulose |
KR20190057047A (ko) * | 2016-09-15 | 2019-05-27 | 케미라 오와이제이 | 종이 제품 및 그의 강도를 증가시키는 방법 |
WO2018122443A1 (en) * | 2016-12-28 | 2018-07-05 | Kemira Oyj | Glyoxylated polyacrylamide polymer composition, its use and method for increasing the strength properties of paper, board or the like |
MX2019008296A (es) * | 2017-01-18 | 2019-11-12 | Solenis Technologies Cayman Lp | Resina de resistencia con humedad temporal de peso molecular alto para papel. |
PH12021552327A1 (en) | 2019-03-28 | 2022-07-04 | Ecolab Usa Inc | Synergistic blends of fluoro-inorganics and inorganic acids for removing deposits and stimulating geothermal wells |
EP4093819A4 (en) * | 2020-03-18 | 2024-04-24 | Kemira Oyj | COMPOSITIONS AND METHODS FOR INCREASING WET AND DRY STRENGTH |
CN111691236B (zh) * | 2020-05-26 | 2021-12-31 | 仙鹤股份有限公司 | 一种速干型圣经纸的生产方法 |
WO2022110102A1 (en) * | 2020-11-30 | 2022-06-02 | Ecolab Usa Inc. | Anionic glyoxalated polyacrylamide |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3759197A (en) * | 1971-09-22 | 1973-09-18 | W Bracke | Process for the agglomeration of particulate materials |
US4155405A (en) * | 1976-12-30 | 1979-05-22 | Societe Nationale Elf Aquitaine (Production) | Prevention of inflow of water into wells or shafts which have already been drilled or are being drilled |
US4603176A (en) * | 1985-06-25 | 1986-07-29 | The Procter & Gamble Company | Temporary wet strength resins |
-
2007
- 2007-08-31 CN CN200780033236.3A patent/CN101553508B/zh active Active
-
2009
- 2009-02-09 ZA ZA200900927A patent/ZA200900927B/xx unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3759197A (en) * | 1971-09-22 | 1973-09-18 | W Bracke | Process for the agglomeration of particulate materials |
US4155405A (en) * | 1976-12-30 | 1979-05-22 | Societe Nationale Elf Aquitaine (Production) | Prevention of inflow of water into wells or shafts which have already been drilled or are being drilled |
US4603176A (en) * | 1985-06-25 | 1986-07-29 | The Procter & Gamble Company | Temporary wet strength resins |
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ZA200900927B (en) | 2010-04-28 |
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