CH617600A5 - Adsorbent cellulose microcapsules and process for preparing them - Google Patents

Adsorbent cellulose microcapsules and process for preparing them Download PDF

Info

Publication number: CH617600A5
Authority: CH; Switzerland
Prior art keywords: cellulose; microcapsules; ester; hydrolysis; adsorbent
Prior art date: 1974-03-25

Application number

CH381075A

Other languages

German (de)

English (en)

Inventor

Masataka Morishita

Yasuo Yokokawa

Tokio Nishikawa

Masahiro Mishiro

Shigeyasu Ohashi

Mitsuru Fukushima

Yoshihito Inaba

Tetsuo Matsuda

Original Assignee

Toyo Jozo Kk

Priority date (The priority date 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 date listed.)

1974-03-25

Filing date

1975-03-25

Publication date

1980-06-13

1975-03-25 Application filed by Toyo Jozo Kk filed Critical Toyo Jozo Kk

1980-06-13 Publication of CH617600A5 publication Critical patent/CH617600A5/de

Links

239000003094 microcapsule Substances 0.000 title claims abstract description 94
229920002678 cellulose Polymers 0.000 title claims abstract description 83
239000001913 cellulose Substances 0.000 title claims abstract description 67
239000003463 adsorbent Substances 0.000 title claims abstract description 25
238000004519 manufacturing process Methods 0.000 title claims description 5
239000000843 powder Substances 0.000 claims abstract description 29
230000007062 hydrolysis Effects 0.000 claims abstract description 11
238000006460 hydrolysis reaction Methods 0.000 claims abstract description 11
230000002378 acidificating effect Effects 0.000 claims abstract description 9
239000011159 matrix material Substances 0.000 claims abstract description 8
239000003960 organic solvent Substances 0.000 claims abstract description 5
PTHCMJGKKRQCBF-UHFFFAOYSA-N Cellulose, microcrystalline Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC)C(CO)O1 PTHCMJGKKRQCBF-UHFFFAOYSA-N 0.000 claims abstract description 3
239000012670 alkaline solution Substances 0.000 claims abstract description 3
239000002243 precursor Substances 0.000 claims abstract description 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 55
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 54
239000000243 solution Substances 0.000 claims description 48
ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 26
238000000034 method Methods 0.000 claims description 20
238000001179 sorption measurement Methods 0.000 claims description 20
229920001747 Cellulose diacetate Polymers 0.000 claims description 19
239000007788 liquid Substances 0.000 claims description 13
238000010931 ester hydrolysis Methods 0.000 claims description 12
239000002253 acid Substances 0.000 claims description 9
239000003513 alkali Substances 0.000 claims description 9
239000007864 aqueous solution Substances 0.000 claims description 8
239000000440 bentonite Substances 0.000 claims description 8
229910000278 bentonite Inorganic materials 0.000 claims description 8
SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 8
238000000605 extraction Methods 0.000 claims description 8
239000000126 substance Substances 0.000 claims description 8
229920008347 Cellulose acetate propionate Polymers 0.000 claims description 6
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
229920006217 cellulose acetate butyrate Polymers 0.000 claims description 6
239000013043 chemical agent Substances 0.000 claims description 6
-1 fatty acid esters Chemical class 0.000 claims description 6
239000000463 material Substances 0.000 claims description 6
239000002245 particle Substances 0.000 claims description 6
239000002904 solvent Substances 0.000 claims description 6
239000003456 ion exchange resin Substances 0.000 claims description 5
229920003303 ion-exchange polymer Polymers 0.000 claims description 5
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 claims description 4
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
229920002301 cellulose acetate Polymers 0.000 claims description 4
229920001727 cellulose butyrate Polymers 0.000 claims description 4
229920006218 cellulose propionate Polymers 0.000 claims description 4
235000014113 dietary fatty acids Nutrition 0.000 claims description 4
150000002148 esters Chemical class 0.000 claims description 4
229930195729 fatty acid Natural products 0.000 claims description 4
239000000194 fatty acid Substances 0.000 claims description 4
238000010438 heat treatment Methods 0.000 claims description 4
229920002239 polyacrylonitrile Polymers 0.000 claims description 4
229920000642 polymer Polymers 0.000 claims description 4
238000000746 purification Methods 0.000 claims description 4
229920005989 resin Polymers 0.000 claims description 4
239000011347 resin Substances 0.000 claims description 4
229920002554 vinyl polymer Polymers 0.000 claims description 4
238000001035 drying Methods 0.000 claims description 3
150000002894 organic compounds Chemical class 0.000 claims description 3
NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 claims description 2
AXISYYRBXTVTFY-UHFFFAOYSA-N Isopropyl tetradecanoate Chemical compound CCCCCCCCCCCCCC(=O)OC(C)C AXISYYRBXTVTFY-UHFFFAOYSA-N 0.000 claims description 2
229930182559 Natural dye Natural products 0.000 claims description 2
239000000020 Nitrocellulose Substances 0.000 claims description 2
229910019142 PO4 Inorganic materials 0.000 claims description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
229920002125 Sokalan® Polymers 0.000 claims description 2
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 2
229910021536 Zeolite Inorganic materials 0.000 claims description 2
FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 claims description 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
229910021529 ammonia Inorganic materials 0.000 claims description 2
239000003242 anti bacterial agent Substances 0.000 claims description 2
229940088710 antibiotic agent Drugs 0.000 claims description 2
239000011260 aqueous acid Substances 0.000 claims description 2
159000000032 aromatic acids Chemical class 0.000 claims description 2
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 2
210000000988 bone and bone Anatomy 0.000 claims description 2
239000003054 catalyst Substances 0.000 claims description 2
239000013522 chelant Substances 0.000 claims description 2
238000005345 coagulation Methods 0.000 claims description 2
230000015271 coagulation Effects 0.000 claims description 2
229920001577 copolymer Polymers 0.000 claims description 2
238000004042 decolorization Methods 0.000 claims description 2
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
238000010828 elution Methods 0.000 claims description 2
238000005538 encapsulation Methods 0.000 claims description 2
125000004185 ester group Chemical group 0.000 claims description 2
238000000855 fermentation Methods 0.000 claims description 2
230000004151 fermentation Effects 0.000 claims description 2
239000000499 gel Substances 0.000 claims description 2
230000003301 hydrolyzing effect Effects 0.000 claims description 2
229910052751 metal Inorganic materials 0.000 claims description 2
239000002184 metal Substances 0.000 claims description 2
229940063557 methacrylate Drugs 0.000 claims description 2
244000005700 microbiome Species 0.000 claims description 2
239000000978 natural dye Substances 0.000 claims description 2
229920001220 nitrocellulos Polymers 0.000 claims description 2
102000039446 nucleic acids Human genes 0.000 claims description 2
108020004707 nucleic acids Proteins 0.000 claims description 2
150000007523 nucleic acids Chemical class 0.000 claims description 2
238000005191 phase separation Methods 0.000 claims description 2
239000010452 phosphate Substances 0.000 claims description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
239000004584 polyacrylic acid Substances 0.000 claims description 2
229920000915 polyvinyl chloride Polymers 0.000 claims description 2
239000004800 polyvinyl chloride Substances 0.000 claims description 2
238000002360 preparation method Methods 0.000 claims description 2
230000008929 regeneration Effects 0.000 claims description 2
238000011069 regeneration method Methods 0.000 claims description 2
230000001105 regulatory effect Effects 0.000 claims description 2
239000000741 silica gel Substances 0.000 claims description 2
229910002027 silica gel Inorganic materials 0.000 claims description 2
239000004071 soot Substances 0.000 claims description 2
239000002699 waste material Substances 0.000 claims description 2
239000002351 wastewater Substances 0.000 claims description 2
239000010457 zeolite Substances 0.000 claims description 2
239000000203 mixture Substances 0.000 abstract description 7
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 48
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 24
238000003756 stirring Methods 0.000 description 21
239000006185 dispersion Substances 0.000 description 16
239000000523 sample Substances 0.000 description 15
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
230000021736 acetylation Effects 0.000 description 12
238000006640 acetylation reaction Methods 0.000 description 12
238000007127 saponification reaction Methods 0.000 description 10
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 9
239000013068 control sample Substances 0.000 description 8
239000008367 deionised water Substances 0.000 description 7
229910021641 deionized water Inorganic materials 0.000 description 7
239000002808 molecular sieve Substances 0.000 description 7
URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 7
229920002284 Cellulose triacetate Polymers 0.000 description 6
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 6
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
229920001429 chelating resin Polymers 0.000 description 5
229940057995 liquid paraffin Drugs 0.000 description 5
238000005406 washing Methods 0.000 description 5
125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 4
238000009835 boiling Methods 0.000 description 4
NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 3
RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 3
241001465754 Metazoa Species 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
239000003610 charcoal Substances 0.000 description 3
239000000706 filtrate Substances 0.000 description 3
229960000907 methylthioninium chloride Drugs 0.000 description 3
HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 description 3
MIDXCONKKJTLDX-UHFFFAOYSA-N 3,5-dimethylcyclopentane-1,2-dione Chemical compound CC1CC(C)C(=O)C1=O MIDXCONKKJTLDX-UHFFFAOYSA-N 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
125000004063 butyryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
239000002775 capsule Substances 0.000 description 2
235000013736 caramel Nutrition 0.000 description 2
239000004744 fabric Substances 0.000 description 2
NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 2
238000005259 measurement Methods 0.000 description 2
239000012046 mixed solvent Substances 0.000 description 2
125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 2
NLFFJIIRAGZISV-LKMNLCDCSA-N (3S)-3,6-diamino-N-[(3S,6Z,9S,12S,15S)-3-[(4R,6S)-2-amino-6-hydroxy-1,4,5,6-tetrahydropyrimidin-4-yl]-6-[(carbamoylamino)methylidene]-9,12-bis(hydroxymethyl)-2,5,8,11,14-pentaoxo-1,4,7,10,13-pentazacyclohexadec-15-yl]hexanamide (3R,4R)-3,6-diamino-N-[(3S,6Z,9S,12S,15S)-3-[(4R,6S)-2-amino-6-hydroxy-1,4,5,6-tetrahydropyrimidin-4-yl]-6-[(carbamoylamino)methylidene]-9,12-bis(hydroxymethyl)-2,5,8,11,14-pentaoxo-1,4,7,10,13-pentazacyclohexadec-15-yl]-4-hydroxyhexanamide (3R,4R)-3,6-diamino-N-[(3S,6Z,9S,12S,15S)-3-[(4R)-2-amino-1,4,5,6-tetrahydropyrimidin-4-yl]-6-[(carbamoylamino)methylidene]-9,12-bis(hydroxymethyl)-2,5,8,11,14-pentaoxo-1,4,7,10,13-pentazacyclohexadec-15-yl]-4-hydroxyhexanamide Chemical compound NCCC[C@H](N)CC(=O)N[C@H]1CNC(=O)[C@@H](NC(=O)\C(NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC1=O)=C\NC(N)=O)[C@H]1C[C@H](O)N=C(N)N1.NCC[C@@H](O)[C@H](N)CC(=O)N[C@H]1CNC(=O)[C@@H](NC(=O)\C(NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC1=O)=C\NC(N)=O)[C@H]1CCN=C(N)N1.NCC[C@@H](O)[C@H](N)CC(=O)N[C@H]1CNC(=O)[C@@H](NC(=O)\C(NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC1=O)=C\NC(N)=O)[C@H]1C[C@H](O)N=C(N)N1 NLFFJIIRAGZISV-LKMNLCDCSA-N 0.000 description 1
CFYIUBWVKZQDOG-UHFFFAOYSA-N 4-[[2-[[2-[[1-(4-nitroanilino)-1-oxo-3-phenylpropan-2-yl]amino]-2-oxoethyl]amino]-2-oxoethyl]amino]-4-oxobutanoic acid Chemical compound C=1C=C([N+]([O-])=O)C=CC=1NC(=O)C(NC(=O)CNC(=O)CNC(=O)CCC(=O)O)CC1=CC=CC=C1 CFYIUBWVKZQDOG-UHFFFAOYSA-N 0.000 description 1
102000009027 Albumins Human genes 0.000 description 1
108010088751 Albumins Proteins 0.000 description 1
241000417247 Homotherium serum Species 0.000 description 1
102000004877 Insulin Human genes 0.000 description 1
108090001061 Insulin Proteins 0.000 description 1
102000016943 Muramidase Human genes 0.000 description 1
108010014251 Muramidase Proteins 0.000 description 1
108010062010 N-Acetylmuramoyl-L-alanine Amidase Proteins 0.000 description 1
102000007562 Serum Albumin Human genes 0.000 description 1
108010071390 Serum Albumin Proteins 0.000 description 1
229930185860 Tuberactinomycin Natural products 0.000 description 1
HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
239000000975 dye Substances 0.000 description 1
125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
229940125396 insulin Drugs 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
239000007858 starting material Substances 0.000 description 1
108700030422 tuberactinomycin Proteins 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Dispersion Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Manufacturing Of Micro-Capsules (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

CH381075A 1974-03-25 1975-03-25 Adsorbent cellulose microcapsules and process for preparing them CH617600A5 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP49032686A JPS5246555B2 (2)	1974-03-25	1974-03-25

Publications (1)

Publication Number	Publication Date
CH617600A5 true CH617600A5 (en)	1980-06-13

Family

ID=12365743

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH381075A CH617600A5 (en)	1974-03-25	1975-03-25	Adsorbent cellulose microcapsules and process for preparing them

Country Status (3)

Country	Link
JP (1)	JPS5246555B2 (2)
CA (1)	CA1054128A (2)
CH (1)	CH617600A5 (2)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS51111492A (en) *	1975-03-26	1976-10-01	Toyo Jozo Co Ltd	Tveatment of aqueous solution

1974
- 1974-03-25 JP JP49032686A patent/JPS5246555B2/ja not_active Expired
1975
- 1975-03-21 CA CA222,743A patent/CA1054128A/en not_active Expired
- 1975-03-25 CH CH381075A patent/CH617600A5/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
JPS5246555B2 (2)	1977-11-25
JPS50125979A (2)	1975-10-03
CA1054128A (en)	1979-05-08

Legal Events

Date	Code	Title	Description
1992-11-30	PL	Patent ceased
2024-10-31	PL	Patent ceased

Publication	Publication Date	Title
DE2413220C3 (de)	1980-05-29	Selektiv adsorbierende Partikel und deren Verwendung zum Trennen von organischen Verbindungen
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US4118336A (en)	1978-10-03	Novel cellulose microcapsules and preparation thereof
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DE2512920C3 (de)	1980-07-03	Mikrokapseln und Verfahren zu ihrer Herstellung
DE2245513A1 (de)	1973-03-22	Verfahren zum entfaerben von abwaessern
DE2558363A1 (de)	1977-07-07	Membranelement zum selektiven entfernen von stoffen aus menschlichem blut
CH625716A5 (en)	1981-10-15	Process for preparing adsorbent cellulose microcapsules
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DE19918953C2 (de)	2003-08-28	Teilchenförmiges Konstrukt mit Biomasse und dessen Verwendung
EP0255672B1 (de)	1989-11-08	Katalysatorharze und Verfahren zu ihrer Herstellung