CA2462053C - Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion - Google Patents
Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion Download PDFInfo
- Publication number
- CA2462053C CA2462053C CA2462053A CA2462053A CA2462053C CA 2462053 C CA2462053 C CA 2462053C CA 2462053 A CA2462053 A CA 2462053A CA 2462053 A CA2462053 A CA 2462053A CA 2462053 C CA2462053 C CA 2462053C
- Authority
- CA
- Canada
- Prior art keywords
- starch
- absorbent
- extrudate
- absorbent material
- group
- 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.)
- Expired - Lifetime
Links
- 229920002472 Starch Polymers 0.000 title claims abstract description 105
- 235000019698 starch Nutrition 0.000 title claims abstract description 103
- 239000008107 starch Substances 0.000 title claims abstract description 92
- 239000002250 absorbent Substances 0.000 title claims abstract description 90
- 230000002745 absorbent Effects 0.000 title claims abstract description 83
- 239000000463 material Substances 0.000 title claims abstract description 68
- 238000001125 extrusion Methods 0.000 title description 30
- 238000002360 preparation method Methods 0.000 title description 9
- 229920000945 Amylopectin Polymers 0.000 claims abstract description 81
- 239000000203 mixture Substances 0.000 claims description 42
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 29
- 229920001282 polysaccharide Polymers 0.000 claims description 28
- 239000005017 polysaccharide Substances 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 27
- 150000004804 polysaccharides Chemical class 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000004971 Cross linker Substances 0.000 claims description 14
- 230000032683 aging Effects 0.000 claims description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 13
- 239000003431 cross linking reagent Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 13
- 229920002261 Corn starch Polymers 0.000 claims description 12
- -1 acrylic ester Chemical class 0.000 claims description 12
- UGTZMIPZNRIWHX-UHFFFAOYSA-K sodium trimetaphosphate Chemical compound [Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 UGTZMIPZNRIWHX-UHFFFAOYSA-K 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 235000019759 Maize starch Nutrition 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 10
- 229920000247 superabsorbent polymer Polymers 0.000 claims description 10
- 235000013305 food Nutrition 0.000 claims description 9
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 230000014759 maintenance of location Effects 0.000 claims description 7
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 7
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 6
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 claims description 6
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 claims description 5
- 229920001586 anionic polysaccharide Polymers 0.000 claims description 5
- 150000004836 anionic polysaccharides Chemical class 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 5
- 206010021639 Incontinence Diseases 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 4
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 3
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 claims description 3
- 229940015043 glyoxal Drugs 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- UVIDMSMLNGZCSV-UHFFFAOYSA-N 2-ethenylguanidine Chemical compound NC(=N)NC=C UVIDMSMLNGZCSV-UHFFFAOYSA-N 0.000 claims description 2
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 2
- 244000247812 Amorphophallus rivieri Species 0.000 claims description 2
- 235000001206 Amorphophallus rivieri Nutrition 0.000 claims description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims description 2
- 229920002907 Guar gum Polymers 0.000 claims description 2
- 240000005979 Hordeum vulgare Species 0.000 claims description 2
- 235000007340 Hordeum vulgare Nutrition 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 229920002752 Konjac Polymers 0.000 claims description 2
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 claims description 2
- 229920000161 Locust bean gum Polymers 0.000 claims description 2
- 240000003183 Manihot esculenta Species 0.000 claims description 2
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 2
- 244000134552 Plantago ovata Species 0.000 claims description 2
- 235000003421 Plantago ovata Nutrition 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 241001494501 Prosopis <angiosperm> Species 0.000 claims description 2
- 235000001560 Prosopis chilensis Nutrition 0.000 claims description 2
- 235000014460 Prosopis juliflora var juliflora Nutrition 0.000 claims description 2
- 239000009223 Psyllium Substances 0.000 claims description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- 240000006394 Sorghum bicolor Species 0.000 claims description 2
- 235000011684 Sorghum saccharatum Nutrition 0.000 claims description 2
- 241000736285 Sphagnum Species 0.000 claims description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- 229920002486 Waxy potato starch Polymers 0.000 claims description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 2
- 235000003704 aspartic acid Nutrition 0.000 claims description 2
- WPJWIROQQFWMMK-UHFFFAOYSA-L beryllium dihydroxide Chemical compound [Be+2].[OH-].[OH-] WPJWIROQQFWMMK-UHFFFAOYSA-L 0.000 claims description 2
- 229910001865 beryllium hydroxide Inorganic materials 0.000 claims description 2
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 claims description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 2
- 239000000920 calcium hydroxide Substances 0.000 claims description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 229920001525 carrageenan Polymers 0.000 claims description 2
- 235000010418 carrageenan Nutrition 0.000 claims description 2
- 229920002301 cellulose acetate Polymers 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims description 2
- 235000020765 fenugreek extract Nutrition 0.000 claims description 2
- 239000000665 guar gum Substances 0.000 claims description 2
- 235000010417 guar gum Nutrition 0.000 claims description 2
- 229960002154 guar gum Drugs 0.000 claims description 2
- 239000000252 konjac Substances 0.000 claims description 2
- 235000010485 konjac Nutrition 0.000 claims description 2
- 235000010420 locust bean gum Nutrition 0.000 claims description 2
- 239000000711 locust bean gum Substances 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 2
- 239000000347 magnesium hydroxide Substances 0.000 claims description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 2
- 150000002688 maleic acid derivatives Chemical class 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- 150000002734 metacrylic acid derivatives Chemical class 0.000 claims description 2
- 125000005395 methacrylic acid group Chemical group 0.000 claims description 2
- DCUFMVPCXCSVNP-UHFFFAOYSA-N methacrylic anhydride Chemical compound CC(=C)C(=O)OC(=O)C(C)=C DCUFMVPCXCSVNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000001814 pectin Substances 0.000 claims description 2
- 229920001277 pectin Polymers 0.000 claims description 2
- 235000010987 pectin Nutrition 0.000 claims description 2
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 2
- 229920001281 polyalkylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 235000011056 potassium acetate Nutrition 0.000 claims description 2
- 239000011736 potassium bicarbonate Substances 0.000 claims description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 235000011181 potassium carbonates Nutrition 0.000 claims description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 2
- 229910000160 potassium phosphate Inorganic materials 0.000 claims description 2
- 235000011009 potassium phosphates Nutrition 0.000 claims description 2
- ARJOQCYCJMAIFR-UHFFFAOYSA-N prop-2-enoyl prop-2-enoate Chemical compound C=CC(=O)OC(=O)C=C ARJOQCYCJMAIFR-UHFFFAOYSA-N 0.000 claims description 2
- 229940070687 psyllium Drugs 0.000 claims description 2
- 239000002964 rayon Substances 0.000 claims description 2
- 229940100486 rice starch Drugs 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 235000015424 sodium Nutrition 0.000 claims description 2
- 239000001632 sodium acetate Substances 0.000 claims description 2
- 235000017281 sodium acetate Nutrition 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 235000017550 sodium carbonate Nutrition 0.000 claims description 2
- 239000001488 sodium phosphate Substances 0.000 claims description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 2
- 235000011008 sodium phosphates Nutrition 0.000 claims description 2
- 239000000213 tara gum Substances 0.000 claims description 2
- 235000010491 tara gum Nutrition 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- 229940100445 wheat starch Drugs 0.000 claims description 2
- 229920001285 xanthan gum Polymers 0.000 claims description 2
- XENVCRGQTABGKY-ZHACJKMWSA-N chlorohydrin Chemical compound CC#CC#CC#CC#C\C=C\C(Cl)CO XENVCRGQTABGKY-ZHACJKMWSA-N 0.000 claims 2
- GDTRAYDPXKZJGD-UHFFFAOYSA-N dichlorophosphoryl hypochlorite Chemical compound ClOP(Cl)(Cl)=O GDTRAYDPXKZJGD-UHFFFAOYSA-N 0.000 claims 2
- GKIPXFAANLTWBM-UHFFFAOYSA-N epibromohydrin Chemical compound BrCC1CO1 GKIPXFAANLTWBM-UHFFFAOYSA-N 0.000 claims 2
- 229920000433 Lyocell Polymers 0.000 claims 1
- 239000004677 Nylon Substances 0.000 claims 1
- 125000000129 anionic group Chemical group 0.000 claims 1
- 229920001778 nylon Polymers 0.000 claims 1
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 description 13
- 238000010521 absorption reaction Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 101000628535 Homo sapiens Metalloreductase STEAP2 Proteins 0.000 description 7
- 102100026711 Metalloreductase STEAP2 Human genes 0.000 description 7
- 238000013461 design Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 229920000856 Amylose Polymers 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 239000011236 particulate material Substances 0.000 description 5
- 229920000058 polyacrylate Polymers 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- 229910019142 PO4 Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000021317 phosphate Nutrition 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 230000000739 chaotic effect Effects 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 230000000774 hypoallergenic effect Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 108010067930 structure-specific endonuclease I Proteins 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 150000003926 acrylamides Chemical class 0.000 description 2
- 150000001253 acrylic acids Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 239000008120 corn starch Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003898 horticulture Methods 0.000 description 2
- 239000003906 humectant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 235000014102 seafood Nutrition 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- 241001660687 Xantho Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 230000002009 allergenic effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000013060 biological fluid Substances 0.000 description 1
- JMSRBKPMLUGHCR-UHFFFAOYSA-N bromohydrin Chemical compound BrC[C]1CO1 JMSRBKPMLUGHCR-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 238000010559 graft polymerization reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920001206 natural gum Polymers 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B35/00—Preparation of derivatives of amylopectin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/003—Crosslinking of starch
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Biochemistry (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
La présente invention concerne un matériau absorbant consistant en un réseau de molécules d'amidon, ces dernières ayant une teneur massique d'amylopectine d'au moins 90 %. Le réseau moléculaire peut comporter soit des amidons autoembrouillés ou des amidons réticulés.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2462053A CA2462053C (fr) | 2003-03-26 | 2004-03-26 | Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002423712A CA2423712A1 (fr) | 2003-03-26 | 2003-03-26 | Amylopectine reticulee obtenue par extrusion reactive et utilisation dudit compose comme materiau absorbant ou superabsorbant |
| CA2,423,712 | 2003-03-26 | ||
| CA2462053A CA2462053C (fr) | 2003-03-26 | 2004-03-26 | Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2462053A1 CA2462053A1 (fr) | 2004-09-26 |
| CA2462053C true CA2462053C (fr) | 2011-05-31 |
Family
ID=33098721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2462053A Expired - Lifetime CA2462053C (fr) | 2003-03-26 | 2004-03-26 | Reseaux en amidon servant de materiaux absorbants ou superabsorbants et leur preparation par extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2462053C (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2443059A1 (fr) | 2003-09-29 | 2005-03-29 | Le Groupe Lysac Inc. | Nanocomposites superabsorbants a base de polysaccharide et d'argile |
| CA2481491A1 (fr) | 2004-09-14 | 2006-03-14 | Le Groupe Lysac Inc. | Polysaccharides a groupements amidine ou guanidine, utilisation de ceux-ci comme absorbants et procede de synthese connexe |
| JP5765884B2 (ja) * | 2006-09-25 | 2015-08-19 | アーチャー−ダニエルズ−ミッドランド カンパニー | 超吸収性表面処理カルボキシアルキル化多糖類及びその製造方法 |
| US9547000B2 (en) | 2012-08-29 | 2017-01-17 | 7905122 Canada Inc. | Chromogenic absorbent material for animal litter and related chromogenic solution |
| WO2015127528A1 (fr) | 2014-02-27 | 2015-09-03 | 7905122 Canada Inc. | Matériau absorbant chromogène pour litière animale |
| US10583420B2 (en) | 2014-10-01 | 2020-03-10 | 7905122 Canada Inc. | Process and apparatus for manufacturing water-absorbing material and use in cat litter |
| WO2017165953A1 (fr) | 2016-04-01 | 2017-10-05 | 7905122 Canada Inc. | Matériau absorbant l'eau et ses utilisations |
| CN120590580B (zh) * | 2025-07-07 | 2026-03-03 | 河南省科学院化学研究所 | 一种连续高效制备淀粉基水凝胶的方法 |
-
2004
- 2004-03-26 CA CA2462053A patent/CA2462053C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2462053A1 (fr) | 2004-09-26 |
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| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20240326 |