GB1585917A - Absorbent starch ethers a process for their manufacture and their use - Google Patents
Absorbent starch ethers a process for their manufacture and their use Download PDFInfo
- Publication number
- GB1585917A GB1585917A GB31970/77A GB3197077A GB1585917A GB 1585917 A GB1585917 A GB 1585917A GB 31970/77 A GB31970/77 A GB 31970/77A GB 3197077 A GB3197077 A GB 3197077A GB 1585917 A GB1585917 A GB 1585917A
- Authority
- GB
- United Kingdom
- Prior art keywords
- methylene
- starch
- reaction
- acrylamido
- etherification
- 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
Links
- 238000000034 method Methods 0.000 title claims description 63
- 229920002472 Starch Polymers 0.000 title claims description 57
- 235000019698 starch Nutrition 0.000 title claims description 57
- 239000008107 starch Substances 0.000 title claims description 57
- 239000002250 absorbent Substances 0.000 title claims description 20
- 230000002745 absorbent Effects 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 150000002170 ethers Chemical class 0.000 title description 27
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 54
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000006266 etherification reaction Methods 0.000 claims description 31
- 229920000881 Modified starch Polymers 0.000 claims description 27
- 235000019426 modified starch Nutrition 0.000 claims description 27
- 239000004368 Modified starch Substances 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 239000003431 cross linking reagent Substances 0.000 claims description 15
- 238000012986 modification Methods 0.000 claims description 15
- 238000004132 cross linking Methods 0.000 claims description 14
- 230000004048 modification Effects 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical group C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 6
- LVKKFNORSNCNPP-UHFFFAOYSA-N 2,2-bis(prop-2-enoylamino)acetic acid Chemical compound C=CC(=O)NC(C(=O)O)NC(=O)C=C LVKKFNORSNCNPP-UHFFFAOYSA-N 0.000 claims description 5
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 claims description 3
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 claims description 3
- 210000001124 body fluid Anatomy 0.000 claims description 3
- 239000010839 body fluid Substances 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 claims description 3
- JOXWSDNHLSQKCC-UHFFFAOYSA-N ethenesulfonamide Chemical compound NS(=O)(=O)C=C JOXWSDNHLSQKCC-UHFFFAOYSA-N 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 238000006011 modification reaction Methods 0.000 claims description 3
- YXZDNTMWFLKPBN-UHFFFAOYSA-N (2e)-2-butan-2-yloxycarbonylimino-2-(prop-2-enoylamino)acetic acid Chemical compound CCC(C)OC(=O)N=C(C(O)=O)NC(=O)C=C YXZDNTMWFLKPBN-UHFFFAOYSA-N 0.000 claims description 2
- GVBHCMNXRKOJRH-UHFFFAOYSA-N 2,4,5,6-tetrachloropyrimidine Chemical compound ClC1=NC(Cl)=C(Cl)C(Cl)=N1 GVBHCMNXRKOJRH-UHFFFAOYSA-N 0.000 claims description 2
- DPVIABCMTHHTGB-UHFFFAOYSA-N 2,4,6-trichloropyrimidine Chemical compound ClC1=CC(Cl)=NC(Cl)=N1 DPVIABCMTHHTGB-UHFFFAOYSA-N 0.000 claims description 2
- ZLCYUWLOIIEMMY-UHFFFAOYSA-N 2-methoxybutan-2-yl (ne)-n-[(prop-2-enoylamino)methylidene]carbamate Chemical compound CCC(C)(OC)OC(=O)N=CNC(=O)C=C ZLCYUWLOIIEMMY-UHFFFAOYSA-N 0.000 claims description 2
- TURITJIWSQEMDB-UHFFFAOYSA-N 2-methyl-n-[(2-methylprop-2-enoylamino)methyl]prop-2-enamide Chemical compound CC(=C)C(=O)NCNC(=O)C(C)=C TURITJIWSQEMDB-UHFFFAOYSA-N 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- DUKMQGVWXATLKU-UHFFFAOYSA-N heptan-2-yl (ne)-n-[(prop-2-enoylamino)methylidene]carbamate Chemical compound CCCCCC(C)OC(=O)N=CNC(=O)C=C DUKMQGVWXATLKU-UHFFFAOYSA-N 0.000 claims description 2
- WFKDPJRCBCBQNT-UHFFFAOYSA-N n,2-dimethylprop-2-enamide Chemical compound CNC(=O)C(C)=C WFKDPJRCBCBQNT-UHFFFAOYSA-N 0.000 claims description 2
- NFWNJXPUAQNYCF-UHFFFAOYSA-N n-(acetamidomethylidene)prop-2-enamide Chemical compound CC(=O)N=CNC(=O)C=C NFWNJXPUAQNYCF-UHFFFAOYSA-N 0.000 claims description 2
- LVQXKVJMYFXSRP-UHFFFAOYSA-N n-(formyliminomethyl)prop-2-enamide Chemical compound C=CC(=O)NC=NC=O LVQXKVJMYFXSRP-UHFFFAOYSA-N 0.000 claims description 2
- DNTMQTKDNSEIFO-UHFFFAOYSA-N n-(hydroxymethyl)-2-methylprop-2-enamide Chemical compound CC(=C)C(=O)NCO DNTMQTKDNSEIFO-UHFFFAOYSA-N 0.000 claims description 2
- MVUKBEZYHBERNA-UHFFFAOYSA-N n-methylethenesulfonamide Chemical compound CNS(=O)(=O)C=C MVUKBEZYHBERNA-UHFFFAOYSA-N 0.000 claims description 2
- YPHQUSNPXDGUHL-UHFFFAOYSA-N n-methylprop-2-enamide Chemical compound CNC(=O)C=C YPHQUSNPXDGUHL-UHFFFAOYSA-N 0.000 claims description 2
- PULITCHTURECRY-UHFFFAOYSA-N propan-2-yl (ne)-n-[(prop-2-enoylamino)methylidene]carbamate Chemical compound CC(C)OC(=O)N=CNC(=O)C=C PULITCHTURECRY-UHFFFAOYSA-N 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 32
- 239000000203 mixture Substances 0.000 description 22
- 229920001592 potato starch Polymers 0.000 description 15
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 description 11
- -1 urine Substances 0.000 description 11
- 239000003607 modifier Substances 0.000 description 10
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 229920003086 cellulose ether Polymers 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 229920001612 Hydroxyethyl starch Polymers 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 4
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 4
- 229940050526 hydroxyethylstarch Drugs 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- DNZMDASEFMLYBU-RNBXVSKKSA-N hydroxyethyl starch Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@@H]1O.OCCOC[C@H]1O[C@H](OCCO)[C@H](OCCO)[C@@H](OCCO)[C@@H]1OCCO DNZMDASEFMLYBU-RNBXVSKKSA-N 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000012429 reaction media Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 229920002261 Corn starch Polymers 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 230000003113 alkalizing effect Effects 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000008120 corn starch Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N formamide Substances NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000001341 hydroxy propyl starch Substances 0.000 description 2
- 235000013828 hydroxypropyl starch Nutrition 0.000 description 2
- 150000002605 large molecules Chemical class 0.000 description 2
- 229940050176 methyl chloride Drugs 0.000 description 2
- JRRUOOPFYPGMAE-UHFFFAOYSA-N n-[1-(prop-2-enoylamino)ethyl]prop-2-enamide Chemical compound C=CC(=O)NC(C)NC(=O)C=C JRRUOOPFYPGMAE-UHFFFAOYSA-N 0.000 description 2
- 150000002924 oxiranes Chemical class 0.000 description 2
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- MWUMYKVUPYAVDJ-UHFFFAOYSA-N prop-1-en-2-yl n-methyl-n-(prop-2-enoylamino)carbamate Chemical compound C=CC(=O)NN(C)C(=O)OC(C)=C MWUMYKVUPYAVDJ-UHFFFAOYSA-N 0.000 description 2
- 210000003296 saliva Anatomy 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- TURGQPDWYFJEDY-UHFFFAOYSA-N 1-hydroperoxypropane Chemical compound CCCOO TURGQPDWYFJEDY-UHFFFAOYSA-N 0.000 description 1
- GIKMWFAAEIACRF-UHFFFAOYSA-N 2,4,5-trichloropyrimidine Chemical compound ClC1=NC=C(Cl)C(Cl)=N1 GIKMWFAAEIACRF-UHFFFAOYSA-N 0.000 description 1
- ATACSYDDCNWCLV-UHFFFAOYSA-N 2-chloroacetic acid;sodium Chemical compound [Na].OC(=O)CCl ATACSYDDCNWCLV-UHFFFAOYSA-N 0.000 description 1
- GXKPGNZWKHBJSB-UHFFFAOYSA-N 3-(prop-2-enoylamino)prop-1-en-2-yl n-ethyl-n-methoxycarbamate Chemical compound CCN(OC)C(=O)OC(=C)CNC(=O)C=C GXKPGNZWKHBJSB-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- AFOSIXZFDONLBT-UHFFFAOYSA-N divinyl sulfone Chemical compound C=CS(=O)(=O)C=C AFOSIXZFDONLBT-UHFFFAOYSA-N 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 229960003750 ethyl chloride Drugs 0.000 description 1
- QUWPURVCKGLKFZ-UHFFFAOYSA-N ethyl(prop-1-en-2-yloxycarbonyl)carbamic acid Chemical compound CCN(C(O)=O)C(=O)OC(C)=C QUWPURVCKGLKFZ-UHFFFAOYSA-N 0.000 description 1
- 229940117927 ethylene oxide Drugs 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000012430 organic reaction media Substances 0.000 description 1
- 229960005382 phenolphthalein Drugs 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- WFCNLARZBRRLAT-UHFFFAOYSA-N prop-1-en-2-yl N-pentyl-N-(prop-2-enoylamino)carbamate Chemical compound CCCCCN(NC(=O)C=C)C(=O)OC(C)=C WFCNLARZBRRLAT-UHFFFAOYSA-N 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 235000011962 puddings Nutrition 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 229920003176 water-insoluble polymer Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q15/00—Anti-perspirants or body deodorants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/732—Starch; Amylose; Amylopectin; Derivatives thereof
-
- 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
- C08B31/006—Crosslinking of derivatives of starch
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Dispersion Chemistry (AREA)
- Biochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Birds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2634539A DE2634539C2 (de) | 1976-07-31 | 1976-07-31 | Verfahren zur Herstellung von saugfähigen, modifizierten Stärkeethern und deren Verwendung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1585917A true GB1585917A (en) | 1981-03-11 |
Family
ID=5984425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31970/77A Expired GB1585917A (en) | 1976-07-31 | 1977-07-29 | Absorbent starch ethers a process for their manufacture and their use |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4117222A (enExample) |
| JP (1) | JPS5317679A (enExample) |
| AT (1) | AT370742B (enExample) |
| BE (1) | BE857281A (enExample) |
| BR (1) | BR7704992A (enExample) |
| CA (1) | CA1079271A (enExample) |
| DE (1) | DE2634539C2 (enExample) |
| FI (1) | FI772303A7 (enExample) |
| FR (1) | FR2360606A1 (enExample) |
| GB (1) | GB1585917A (enExample) |
| NL (1) | NL7708380A (enExample) |
| SE (1) | SE7708652L (enExample) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4296234A (en) * | 1973-12-19 | 1981-10-20 | Lever Brothers Company | Absorbent materials |
| US4263363A (en) * | 1979-12-20 | 1981-04-21 | Colgate-Palmolive Company | Emulsion-containing absorbent article having improved water holding capacity |
| IT8167097A0 (it) * | 1981-01-26 | 1981-01-26 | Unilever Nv | Composizione cosmetica per il trattamento della pelle o dei capelli |
| EP0061277B1 (en) * | 1981-03-16 | 1986-09-03 | Leonora I. Jost | Anaerobic method for preserving whole blood, tissue and components containing living mammalian cells |
| US4451613A (en) * | 1983-03-03 | 1984-05-29 | Minnesota Mining And Manufacturing Company | Ethylenically-unsaturated dextrin oligomers |
| WO1985003509A1 (en) * | 1984-02-03 | 1985-08-15 | Scott Paper Company | Modified polysaccharide materials |
| US4990338A (en) * | 1988-05-09 | 1991-02-05 | Dow Corning Corporation | Antimicrobial superabsorbent compositions and methods |
| US5035892A (en) * | 1988-05-09 | 1991-07-30 | Dow Corning Corporation | Antimicrobial superabsorbent compositions and methods |
| US5079354A (en) * | 1989-10-27 | 1992-01-07 | Kimberly-Clark Corporation | Method for making absorbent starch |
| US5247072A (en) * | 1991-10-25 | 1993-09-21 | Kimberly-Clark Corporation | Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof |
| US5550189A (en) * | 1992-04-17 | 1996-08-27 | Kimberly-Clark Corporation | Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
| US5681928A (en) * | 1994-12-16 | 1997-10-28 | The Salk Institute For Biological Studies | Betides and methods for screening peptides using same |
| NL1010926C2 (nl) * | 1998-12-30 | 2000-07-03 | Inst Voor Agrotech Onderzoek | Werkwijze voor de bereiding van zetmeeldeeltjes. |
| DE60019994T2 (de) * | 1999-03-08 | 2006-01-19 | The Procter & Gamble Company, Cincinnati | Absorbierende und flexible Struktur mit Stärkefasern |
| CA2351253A1 (en) * | 2000-11-10 | 2002-05-10 | Groupe Lysac Inc./Lysac Group Inc. | Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbent |
| US20030203196A1 (en) * | 2000-11-27 | 2003-10-30 | Trokhan Paul Dennis | Flexible structure comprising starch filaments |
| US7029620B2 (en) | 2000-11-27 | 2006-04-18 | The Procter & Gamble Company | Electro-spinning process for making starch filaments for flexible structure |
| US6811740B2 (en) | 2000-11-27 | 2004-11-02 | The Procter & Gamble Company | Process for making non-thermoplastic starch fibers |
| US7276201B2 (en) * | 2001-09-06 | 2007-10-02 | The Procter & Gamble Company | Process for making non-thermoplastic starch fibers |
| US6723160B2 (en) | 2002-02-01 | 2004-04-20 | The Procter & Gamble Company | Non-thermoplastic starch fibers and starch composition for making same |
| CA2423712A1 (en) | 2003-03-26 | 2004-09-26 | Nicolas Nourry | Crosslinked amylopectin by reactive extrusion and its use as an absorbent or superabsorbent material |
| DE10343413A1 (de) * | 2003-09-19 | 2005-04-14 | Universität Hamburg | Vernetzte, langzeitstabile Carboxymethylstärke als Absorptionsmittel für Wasser, deren Verwendung sowie Verfahren zu deren Herstellung |
| US6977116B2 (en) | 2004-04-29 | 2005-12-20 | The Procter & Gamble Company | Polymeric structures and method for making same |
| US6955850B1 (en) | 2004-04-29 | 2005-10-18 | The Procter & Gamble Company | Polymeric structures and method for making same |
| DE102006013786A1 (de) * | 2006-03-24 | 2007-09-27 | Wolff Cellulosics Gmbh & Co. Kg | Methylstärkeether in mineralischen Baustoffen |
| JP5813515B2 (ja) | 2009-02-18 | 2015-11-17 | クイック−メッド テクノロジーズ、インク． | 過酸化物からなる高吸収性材料 |
| KR20120089700A (ko) * | 2009-10-02 | 2012-08-13 | 유니버시티 오브 아이다호 | 저항성 전분 함량이 향상되고 혈당 반응이 완화된 감자 제품 및 및 그의 방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3077468A (en) * | 1960-12-22 | 1963-02-12 | Hercules Powder Co Ltd | Insolubilization of polysaccharide ethers |
| SE358894B (enExample) * | 1961-10-25 | 1973-08-13 | Pharmacia Ab | |
| SE319903B (enExample) * | 1964-01-31 | 1970-01-26 | Pharmacia Ab | |
| NL6707457A (enExample) * | 1967-05-30 | 1968-12-02 | ||
| GB1199090A (en) * | 1968-11-29 | 1970-07-15 | Penick & Ford Ltd | Process for Etherification and Gelatinization of Starch |
| US3849387A (en) * | 1970-04-09 | 1974-11-19 | R Fowells | Process of forming polyolefin fibers |
| CA971562A (en) | 1971-02-04 | 1975-07-22 | Frank Del Valle | Thin-thick retort starch derivatives |
| DE2357079C2 (de) * | 1973-11-15 | 1982-07-29 | Hoechst Ag, 6000 Frankfurt | Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern |
| DE2358150C2 (de) * | 1973-11-22 | 1982-03-18 | Hoechst Ag, 6000 Frankfurt | Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern |
-
1976
- 1976-07-31 DE DE2634539A patent/DE2634539C2/de not_active Expired
-
1977
- 1977-07-28 BE BE179749A patent/BE857281A/xx unknown
- 1977-07-28 SE SE7708652A patent/SE7708652L/xx not_active Application Discontinuation
- 1977-07-28 FI FI772303A patent/FI772303A7/fi not_active Application Discontinuation
- 1977-07-28 NL NL7708380A patent/NL7708380A/xx not_active Application Discontinuation
- 1977-07-28 US US05/819,944 patent/US4117222A/en not_active Expired - Lifetime
- 1977-07-28 CA CA283,687A patent/CA1079271A/en not_active Expired
- 1977-07-29 JP JP9132277A patent/JPS5317679A/ja active Pending
- 1977-07-29 GB GB31970/77A patent/GB1585917A/en not_active Expired
- 1977-07-29 BR BR7704992A patent/BR7704992A/pt unknown
- 1977-07-29 FR FR7723389A patent/FR2360606A1/fr active Granted
- 1977-07-29 AT AT0565477A patent/AT370742B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR7704992A (pt) | 1978-05-16 |
| FR2360606A1 (fr) | 1978-03-03 |
| ATA565477A (de) | 1980-06-15 |
| CA1079271A (en) | 1980-06-10 |
| AT370742B (de) | 1983-04-25 |
| SE7708652L (sv) | 1978-02-01 |
| JPS5317679A (en) | 1978-02-17 |
| BE857281A (fr) | 1978-01-30 |
| DE2634539A1 (de) | 1978-02-09 |
| NL7708380A (nl) | 1978-02-02 |
| FI772303A7 (enExample) | 1978-02-01 |
| DE2634539C2 (de) | 1983-08-25 |
| US4117222A (en) | 1978-09-26 |
| FR2360606B1 (enExample) | 1980-04-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |