NO121531B - - Google Patents
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- NO121531B NO121531B NO157659A NO15765965A NO121531B NO 121531 B NO121531 B NO 121531B NO 157659 A NO157659 A NO 157659A NO 15765965 A NO15765965 A NO 15765965A NO 121531 B NO121531 B NO 121531B
- Authority
- NO
- Norway
- Prior art keywords
- ester
- stated
- preparation
- per
- bleaching
- Prior art date
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- 150000002148 esters Chemical class 0.000 claims description 65
- 238000002360 preparation method Methods 0.000 claims description 29
- 238000004061 bleaching Methods 0.000 claims description 28
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 16
- 239000012459 cleaning agent Substances 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 125000004185 ester group Chemical group 0.000 claims description 12
- -1 phenyl ester Chemical class 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 239000004133 Sodium thiosulphate Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 7
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 150000002895 organic esters Chemical class 0.000 claims description 6
- 125000004429 atom Chemical group 0.000 claims description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 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 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 238000004448 titration Methods 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims 4
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 claims 2
- 125000002587 enol group Chemical group 0.000 claims 2
- RKHQZMOCQHXUBC-UHFFFAOYSA-N phenol;potassium Chemical compound [K].OC1=CC=CC=C1 RKHQZMOCQHXUBC-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 description 19
- 239000000243 solution Substances 0.000 description 13
- 239000004744 fabric Substances 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 241001122767 Theaceae Species 0.000 description 4
- 239000007844 bleaching agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000004753 textile Substances 0.000 description 4
- 239000001083 [(2R,3R,4S,5R)-1,2,4,5-tetraacetyloxy-6-oxohexan-3-yl] acetate Substances 0.000 description 3
- UAOKXEHOENRFMP-ZJIFWQFVSA-N [(2r,3r,4s,5r)-2,3,4,5-tetraacetyloxy-6-oxohexyl] acetate Chemical compound CC(=O)OC[C@@H](OC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)C=O UAOKXEHOENRFMP-ZJIFWQFVSA-N 0.000 description 3
- XQASBJQMONZJSS-UHFFFAOYSA-N acetic acid 2,2,2-trichloroacetaldehyde Chemical compound C(C)(=O)O.C(C)(=O)O.O=CC(Cl)(Cl)Cl XQASBJQMONZJSS-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000344 soap Substances 0.000 description 3
- 239000012418 sodium perborate tetrahydrate Substances 0.000 description 3
- IBDSNZLUHYKHQP-UHFFFAOYSA-N sodium;3-oxidodioxaborirane;tetrahydrate Chemical compound O.O.O.O.[Na+].[O-]B1OO1 IBDSNZLUHYKHQP-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- PPSNSGXAFDMBHM-REWJHTLYSA-N [(2r,3r,4s,5r)-3,4,5-triacetyloxy-1-hydroxy-6-oxohexan-2-yl] acetate Chemical compound CC(=O)O[C@H](CO)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)C=O PPSNSGXAFDMBHM-REWJHTLYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- SUMDYPCJJOFFON-UHFFFAOYSA-N isethionic acid Chemical compound OCCS(O)(=O)=O SUMDYPCJJOFFON-UHFFFAOYSA-N 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- BLXAGSNYHSQSRC-UHFFFAOYSA-M sodium;2-hydroxybenzenesulfonate Chemical compound [Na+].OC1=CC=CC=C1S([O-])(=O)=O BLXAGSNYHSQSRC-UHFFFAOYSA-M 0.000 description 2
- OHWWOZGHMUITKG-UHFFFAOYSA-N (4-bromophenyl) benzoate Chemical compound C1=CC(Br)=CC=C1OC(=O)C1=CC=CC=C1 OHWWOZGHMUITKG-UHFFFAOYSA-N 0.000 description 1
- XHAXVDWUMCHTCY-UHFFFAOYSA-N 2,2,2-trichloroethyl acetate Chemical compound CC(=O)OCC(Cl)(Cl)Cl XHAXVDWUMCHTCY-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229930091371 Fructose Natural products 0.000 description 1
- 239000005715 Fructose Substances 0.000 description 1
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- ZIJKGAXBCRWEOL-SAXBRCJISA-N Sucrose octaacetate Chemical compound CC(=O)O[C@H]1[C@H](OC(C)=O)[C@@H](COC(=O)C)O[C@@]1(COC(C)=O)O[C@@H]1[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1 ZIJKGAXBCRWEOL-SAXBRCJISA-N 0.000 description 1
- 239000001344 [(2S,3S,4R,5R)-4-acetyloxy-2,5-bis(acetyloxymethyl)-2-[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxolan-3-yl] acetate Substances 0.000 description 1
- NJVBTKVPPOFGAT-BRSBDYLESA-N [(2r,3r,4r,5r)-2,3,4,5,6-pentaacetyloxyhexyl] acetate Chemical compound CC(=O)OC[C@@H](OC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H](OC(C)=O)COC(C)=O NJVBTKVPPOFGAT-BRSBDYLESA-N 0.000 description 1
- NJVBTKVPPOFGAT-XMTFNYHQSA-N [(2s,3r,4r,5r)-2,3,4,5,6-pentaacetyloxyhexyl] acetate Chemical compound CC(=O)OC[C@@H](OC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)COC(C)=O NJVBTKVPPOFGAT-XMTFNYHQSA-N 0.000 description 1
- CXDBXTHJTZQPOJ-UHFFFAOYSA-M [Na+].CC=C.CC=C.CC=C.CC=C.[O-]S(=O)(=O)C1=CC=CC=C1 Chemical compound [Na+].CC=C.CC=C.CC=C.CC=C.[O-]S(=O)(=O)C1=CC=CC=C1 CXDBXTHJTZQPOJ-UHFFFAOYSA-M 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- ZWVNRWDGPAIALC-UHFFFAOYSA-N acetic acid furan-2-carbaldehyde Chemical compound CC(O)=O.CC(O)=O.O=CC1=CC=CO1 ZWVNRWDGPAIALC-UHFFFAOYSA-N 0.000 description 1
- IPBVNPXQWQGGJP-UHFFFAOYSA-N acetic acid phenyl ester Natural products CC(=O)OC1=CC=CC=C1 IPBVNPXQWQGGJP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000010933 acylation Effects 0.000 description 1
- 238000005917 acylation reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 229910052936 alkali metal sulfate Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 150000002016 disaccharides Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002443 hydroxylamines Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229940045996 isethionic acid Drugs 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- NBFNGRDFKUJVIN-VAWYXSNFSA-N phenyl (e)-3-phenylprop-2-enoate Chemical compound C=1C=CC=CC=1/C=C/C(=O)OC1=CC=CC=C1 NBFNGRDFKUJVIN-VAWYXSNFSA-N 0.000 description 1
- LUSSRKMAXZEBEC-UHFFFAOYSA-N phenyl 4-nitrobenzoate Chemical compound C1=CC([N+](=O)[O-])=CC=C1C(=O)OC1=CC=CC=C1 LUSSRKMAXZEBEC-UHFFFAOYSA-N 0.000 description 1
- FCJSHPDYVMKCHI-UHFFFAOYSA-N phenyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OC1=CC=CC=C1 FCJSHPDYVMKCHI-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- QEJPOSAIULNDLU-UHFFFAOYSA-N phenyl pyridine-3-carboxylate Chemical compound C=1C=CN=CC=1C(=O)OC1=CC=CC=C1 QEJPOSAIULNDLU-UHFFFAOYSA-N 0.000 description 1
- 229940049953 phenylacetate Drugs 0.000 description 1
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 1
- VMNZSPZHEZLXCQ-UHFFFAOYSA-M potassium;4-hydroxybenzenesulfonate Chemical compound [K+].OC1=CC=C(S([O-])(=O)=O)C=C1 VMNZSPZHEZLXCQ-UHFFFAOYSA-M 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- 229940045872 sodium percarbonate Drugs 0.000 description 1
- 229940087596 sodium phenolsulfonate Drugs 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- PNFSYNAUAPBVGF-UHFFFAOYSA-M sodium;phenyl sulfate Chemical compound [Na+].[O-]S(=O)(=O)OC1=CC=CC=C1 PNFSYNAUAPBVGF-UHFFFAOYSA-M 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 229940013883 sucrose octaacetate Drugs 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- CDVLCTOFEIEUDH-UHFFFAOYSA-K tetrasodium;phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])([O-])=O CDVLCTOFEIEUDH-UHFFFAOYSA-K 0.000 description 1
- 125000006000 trichloroethyl group Chemical group 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/006—Making patterned paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/005—Mechanical treatment
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/24—Special paper or cardboard not otherwise provided for having enhanced flexibility or extensibility produced by mechanical treatment of the unfinished paper
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
Description
Fremgangsmåte ved bleking og preparater for utførelse av blekepros essen.
Foreliggende oppfinnelse vedrører en
fremgangsmåte for bleking og visse blekende komposisjoner eller preparater.
Særlig vedrører oppfinnelsen en fremgangsmåte og komposisjoner, som er skikket til å fjerne flekker fra tekstilmate-rialer.
Mange rensemiddelpreparater inneholder et anorganisk per-salt, som f. eks.
natrium-perborat eller perkarbonat for å
gi preparatet blekende egenskaper. Disse
per-salter tilveiebringer en tilfredsstillende
bleking, når rensemidlet anvendes ved ko-king, men ved lavere temperatur er virk-ningen av saltene temmelig langsom.
Denne ulempe har fått betydning ved den
økende anvendelse av vaskemaskiner, som
arbeider ved temperatur av f. eks. 50—60 °C.
Det er et formål for foreliggende oppfinnelse å tilveiebringe en mere effektiv bleking i løpet av den normale vaskeperiode
ved denne temperatur enn der oppnåes
med per-saltet alene.
Fremgangsmåter og preparater i henhold til oppfinnelsen kan også finne anvendelse i tekstilindustrien og i større
vaskerier.
Det har vist seg at der kan oppnåes
forbedringer ved blekingen ved anvendelse
av en vandig oppløsning, som inneholder
hydrogenperoksyd og en organisk ester av
en karbonsyre av den art som er angitt i
det følgende.
Det har videre vist seg at der kan tilveiebringes forbedrete blekemiddelkompo-sisjoner, som inneholder et anorganisk
per-salt sammen med en organisk ester av
en karbonsyre, som oppviser en eller flere
ester-grupper i molekylet. Estere, som er skikket for anvendelse i henhold til foreliggende oppfinnelse, karakteriseres ved følgende prøve: Til en oppløsning ved 60°C, som inneholder de følgende stoffer i 100 ml. destillert vann: 2,5 g tetranatriumfosfat,
Na4P207lo<H>20
0,615 g natriumperborattetrahydrat,
NaB02 . H202 . 3H20
(ved 10,4 % tilgjengelig hydrogen)
0,5 g natrium-tetrapropylen-benzen-sulfonat
tilsettes en mengde av en ester i ekvimole-kylart forhold til det tilgjengelige oxygen. Vannoppløselige estere og slike som er flytende ved 60°C. tilsettes direkte til den vandige oppløsning. Andre estere skal opp-løses i 10 ml etylalkohol før tilsetningen, og volumet av destillert vann reduseres i
slike tilfeller til 990 ml. Blandingen om-røres mekanisk ved hjelp av en 3,4" glass-rører ved 600 omdreininger pr. minutt, og holdes ved 60°C. Etter fem minutter av-tappes en 100 ml's alikvot del og pipetteres umiddelbart på en blanding av 250 g knust
is og 15 ml iseddikk. Derpå tilsettes 0,4 g
kaliumjodid. Det frigjorte jod titreres umiddelbart med 0,1 N natriumtiosulfat under anvendelse av stivelse som indikator, inntil den blå farve for første gang for-svinner.
Estere som gir en titer av 1,5 ml eller mere ved denne prøve kan anvendes i blekekomposisjoner og fremgangsmåter i henhold til oppfinnelsen.
I henhold til foreliggende oppfinnelse tilveiebringes der en blekeprosess, som er karakterisert ved at der anvendes en vandig oppløsning av hydrogen-peroksyd og en organisk ester av en karbonsyre, hvilken ester har en titer av ikke mindre enn 1,5 ml av 0,1 N natriumtiosulfat i den foran angitte prøve.
Foreliggende oppfinnelse tilveiebringer videre et fast blekepreparat, som er karakterisert ved at det inneholder et anorganisk per-salt og en organisk ester av en karbonsyre, hvilket ester har en titer av ikke mindre enn 1,5 ml av 0,1 N natriumtiosulfat ved den ovenfor angitte prøve.
Estere som har en titer av ikke mindre enn 1,5 ml 0,1 N natriumtiosulfat i den ovenfor angitte prøve, og som følgelig kan anvendes i henhold til oppfinnelsen, om-fatter forbindelser av klassen R1. OOGR2, hvor Rx er en organisk gruppe som utøver en elektron-tiltrekkende effekt, og R2 kan være et alkyl, aryl, et alisyklisk eller heterosyklisk radikal eller et substituert alkyl, aryl, alisyklisk eller heterosyklisk radikal.
Esterne skal ikke lett gi oksyderbare hydrolyseprodukter, som f. eks. flerverdige fenoler, usubstituerte lavere alifatiske aldehyder og alfa- og beta-diketoner.
Eksempler på estere innenfor oppfin-nelsens ramme, d.v.s. som gir en titer av i det minste 1,5 ml 0,1 N natriumtiosulfat ved den foran angitte prøve finnes innenfor følgende grupper: (a) Fenylestere, d.v.s. estere av fenoler og substituerte fenoler.
Eksempler på skikkede estere er:
Fenylacetat
Fenylbenzoat
Fenyl p-nitrobenzoat
Fenyl cinnamat
p-kresylacetat o-Nitrofenylbenzoat o-karboksyfenylbenzoat o-karboksyfenylacetat p-karboksyfenylacetat p-fenyl-fenylacetat Fenylfuroat
p-bromfenylbenzoat Benzoylesterne av et natrium
eller kalium fenolsulfonat Fenylnikotinat. (b) Estere av en-verdige alifatiske alko-holer, som inneholder substituenter, som utøver en elektron-tiltrekkende virkning, som f. eks. trikloretyl, og et eksempel på en slik ester er:
Trikloroetylacetat.
(c) Estere av fler-verdige alifatiske alko- 1
holer, som inneholder fortrinnsvis 3
eller flere ester-grupper som befinner, seg ved tilgrensende kullstoffatomer, særlig:
Mannitolhexa-acetat Sorbitolhexa-acetat. (d) Estere av mono- og disakkarider, som inneholder fortrinnsvis tre eller flere estergrupper på tilgrensende kullstoffatomer, og eksempel på slike er: Fruktosepenta-acetat Glukosepenta-acetat Glukosetetra-acetat Sucroseocta-acetat. (e) Estere som inneholder to estergrupper som er bundet til samme kullstoffatom, og som f. eks. kan fåes ved acylering av aldehyder, og eksempler på disse er:.
p-Nitrobenzaldehyd-diacetat Glykolaldehydtriacetat Benzaldehyd-diacetat Furfuraldiacetat
Kloraldiacetat.
(f) Estere av de enoliske former av ketoner, som fortrinnsvis er ikke alfa-og beta-diketoner eller andre lett oksyderbare ketoner, og eksempler på slike er: A'-Cyklohexenylacetat Isopropenylacetat (g) Estere av N-substituerte derivater av hydroksylamin, og et eksempel på slike er: Acetylaceto-hydroksyaminsyre.
Faste estere kan lett innføres i kom-posisjonene i fast form. Vannuoppløselige faste estere skal imidlertid foreligge i fin-delt tilstand i en fast komposisjon.
Hydrogen peroksyd kan naturligvis ikke innføres i et fast preparat, og bleke-oppløsninger, fremstillet fra hydrogen peroksyd, skal fremstilles for bruk ettersom det kreves.
Hydrogen peroksyd kan tilsettes til oppløsninger som sådant, eller kan frigjø-res på stedet i oppløsningen fra et anorganisk per-salt.
Ved uttrykket «anorganisk per-salt» forståes et salt som vil gi anledning til dannelse av hydrogen peroksyd i vandig oppløsning. Passende forbindelser av al-kalimetallperborater, perkarbonater, per-pyrofosfater og persilikater. Disse er ikke virkelige per-salter i en streng kjemisk forstand, men antas å inneholde bundet hydrogenperoksyd på tilsvarende måte som krystall vann, som frigjøres i vandig opp-løsning.
Oppfinnelsen kan anvendes på blekebad, f. eks. slike som anvendes for behand-ling av tekstilvarer, til vaskevæsker av den art som anvendes i større vaskerier og i faste blekekomposisjoner. Faste blekekomposisjoner kan inneholde, foruten et per-salt og en ester i henhold til oppfinnelsen, inerte salter, alkaliske midler og en liten mengde av et rensemiddel. Oppfinnelsen kan videre anvendes i forbindelse med rensepreparater som inneholder et organisk rensemiddel, som kan være såpe eller et organisk såpefritt rensemiddel. Passende organiske såpefri rensemidler er alkyl-aryl-sulfonater, alkylsulfater og salter av estere eller etere av isethion-syre.
Preparater i henhold til oppfinnelsen skal fortrinnsvis inneholde en eller flere alkaliske materialer, hvis pH i 0,1 % vandig oppløsning ved 22 °C. er i det minste 9, i mengder som er slik at liknende preparater, som ikke inneholder estere, vil ha en pH-verdi innenfor området 9—11 når de oppløses ved den ønskete blekekonsen-trasjon, og fremgangsmåten ifølge oppfinnelsen anvendes fortrinnsvis vandige opp-løsninger som inneholder slike alkaliske materialer. De fleste vanlige rensemiddel-komposisjoner inneholder alkaliske materialer i en mengde som er tilstrekkelig for dette øyemed. Skikkete alkaliske materialer er f. eks. såpe, alkalimetallkarbona-ter, fosfater (innbefattet ortofosfater og vannoppløselige kondenserte fosfater, som f. eks. tripolyfosfater og pyrofosfater) og silikater.
Når bleke- eller vaskevæsker anvendes i henhold til fremgangsmåten ifølge oppfinnelsen skal der fortrinnsvis være tilstede tilstrekkelig alkalisk material for å gi en utgangs-pH9—11 i bleke- eller vaske-væsken før tilsetningen av esteren.
Preparater i henhold til oppfinnelsen kan inneholde hvilke som helst av de vanlige tilsetningsmidler som er tilstede i rensemiddelpreparater. Der skal nevnes supplementerende «builders», inerte og organiske materialer, som f. eks. alkali-metallsulfater, klorider, karboksymetylcel-lulose og fluoriserende midler.
Preparater i henhold til oppfinnelsen må ikke inneholde vann i en mengde som er tilstrekkelig til å tillate en nevneverdig kjemisk reaksjon mellom komponentene før bruken.
Mengden av per-salt og ester som kan være tilstede i preparatet i henhold til oppfinnelsen vil bero på tiden og temperaturen ved blekingen, den grad av bleking som kreves, konsentrasjonen av blekeopp-løsningen og den spesielle ester og per-salt som anvendes. Under de fleste forhold skal disse mengder være slik at man får en per-salt-konsentrasjon i oppløsningen, svarende til 0,001 til 0,1 % tilgjengelig oxygen.
Idet der tas i betraktning disse fak-torer kan der oppnåes blekeeffekter med preparater ifølge oppfinnelsen, som inneholder sterkt varierende forhold av per-salt til esteren. Det er hensiktsmessig å måle aktiviteten av per-saltet uttrykt i form av tilgjengelig oxygen. Generelt fore-trekkes forhold av fra Vi—2, og særlig fra <y>%—iy2 molekyler ester for hvert atom tilgjengelig oksygen for anvendelse ved fremgangsmåten og preparatene ifølge oppfinnelsen. (Ved omregning av slike forhold til vektsforhold må man ta i betraktning mo-lekylarvekten av esteren og det tilgjengelige oxygeninnhold i det anvendte per-salt). Særlig er det å foretrekke å an-vende omtrentlig kjemisk ekvivalente mengder av esteren og per-saltet. Ved fastsettelsen av slike kjemiske ekvivalente mengder må man være oppmerksom på at med estere, som inneholder mere enn en estergruppe, vil ikke nødvendigvis alle estergrupper reagere med tilgjengelig sur-stoff i per-saltet. Med aldehyddiacetater antas således bare en gruppe å reagere, med glykosetetraacetat reagerer en gruppe og med glykosepentaacetat reagerer to grupper.
Når der anvendes oppløsninger, som fåes ved tilsetning av vannstoffperoksyd og en ester i henhold til oppfinnelsen til et alkalisk bad, er det foretrukne vektsforhold fra 2—15 deler av en ester til en del av hydrogen-peroksyd (100 %), be-roende på molekylvekten av den anvendte ester.
Når preparater i henhold til oppfinnelsen skal anvendes primært som et bleke-middel, f. eks. for tilsetning til alkalisk tekstilblekebad eller vaskevæsker, kan slike preparater inneholde en hvilken som helst mengde av en ester og per-salt, og disse komponenter bør fortrinnsvis være tilstede i forholdet Vi—2 molekyler ester for hvert atom tilgjengelig oxygen, og fortrinnsvis y2 til iy> molekyler for hvert atom tilgjengelig oxygen. Som eksempel skal således nevnes at en komposisjon kan inneholde 33 % av per-salt med 10 % tilgjengelig oxygen og 67 % av benzoylesteren av handelsnatriumfenolsulfat. Anvendes per-salter med 15 % tilgjengelig oxygen kan komposisjonen inneholde 25 % av per-saltet og 75 % av benzoylesteren av handels-natriumfenolsulfonat.
Når et organisk rensemiddel er tilstede i komposisjoner i henhold til oppfinnelsen kan der oppnåes forbedringer ved blekingen ved vanlige vaskekonsentra-sjoner. Anvendes der f. eks. en rensemid-delkomposisjon i henhold til oppfinnelsen ved en konsentrasjon av 1 % i vandig; opp-løsning kan der oppnåes forbedringer, hvis der er tilstede mengder av så lite som 1 % per-salt og 2 % ester basert på vekten av komposisjonen. I slike komposisjoner skal imidlertid mengden av per-salt tilveiebringe minst 0,1 % tilgjengelig oxygen, basert på komposisjonen. Generelt vil rensemiddelpreparater inneholde fra ca. 10 til ca. 50 vektsprosent av det organiske rensemiddel. Det blandete ester/per-salt-inn-hold kan være så høyt som 70 vektsprosent, forutsatt at disse komponenter anvendes i forholdet <y>4—2, fortrinnsvis <y>2 —iy2 molekyler av ester pr. ett atom tilgjengelig oxygen. Effektiv mengder av ester og per-salt i rensemiddel og andre preparater vil i alminnelighet ligge innenfor områder av fra 2—30 % ester og 1—15 % per-salt, basert på komposisjo-nens vekt.
De beste resultater ved bleking i henhold til oppfinnelsen oppnåes under forhold hvor der bevirkes en effektiv om-røring, som f. eks. vil foreligge i en vaske-maskin.
De følgende eksempler vil tjene til å klargjøre oppfinnelsen:
Eksempel J.-
Et blekebad ved 60 °C. ble fremstillet som inneholdt følgende bestanddeler: 0,5 % tetranatrium-pyrofosfat 0,021 % vannstoffperoksyd (som 100 %)
( <H>202)
0,136 % kloral-diacetat og bestanddelene ble tilsatt i den anførte rekkefølge.
Et stykke av et bomullstøy ble flekket ved neddykking i kokende te-ekstrakt i en time. Derpå ble tøyet omhyggelig skyllet,, tørket og skåret til prøvestykker, og ref leks jonsprosenten ble målt i en Hunter-reflektometer under anvendelse av et blå-filter. Refleksjonsprosenten til prøvestyk-kene ble påny målt etter bleking. Den oppnådde bleking ble uttrykt som forskjel-len mellom de to målte refleksjonsprosen-ter på hvert prøvestykke.
Et stykke av et te-flekket bomullstøy ble neddykket i blekebadet med et forhold mellom tøystykket og væsken som 1 : 20, og der ble omrørt i 15 minutter, og temperaturen ble holdt ved 60 + 2°C. Etter forløpet av denne tid ble tøystykket skylt tre ganger, strøket og refleksjonsprosenten ble målt-. Økningen i refleksjonsprosenten var 22,7. Ved et liknende kontrollforsøk, som ble utført i fravær av kloraldiacetat, var økningen i prosentrefleksjonen bare 13,7.
Eksempel 2:
Et forstøvningstørket rensemiddelpul-ver oppviste følgende prosentuelle sam-mensetning:
Til 77,3 deler av dette rensemiddelpul-ver ble tilsatt 10 deler natriumperborattetrahydrat og 12,7 deler glykose-penta-acetat, og det hele ble blandet.
En 0,5 %'s oppløsning av det ferdige preparat ble fremstillet ved 60 °C. og et tøystykke, som var flekket med te, og fremstillet som beskrevet i eksempel 1, ble neddykket i oppløsningen og omrørt i 15 minutter, og temperaturen ble holdt ved 60°C.+ 2°C. Tøystykket ble derpå skyllet tre ganger, strøket og refleksjonsprosenten ble målt. Økningen i prosentref leksjonen var 19,0. Ved et kontrollforsøk uten gly-kose-penta-acetat var økningen i prosentrefleksjonen bare 13,2.
Eksempel 3:
Til 76,4 deler av et såpepulver, som inneholdt:
ble tilsatt 8,0 deler av natriumperborattetrahydrat og 15,6 deler av benzoylesteren av handels-natriumfenolsulfonat, og det hele ble blandet. En 0,8 %'s oppløsning av det ferdige produkt ble fremstillet ved 600 C. Til denne oppløsning ble tilsatt et.
te-flekket tøystykke med et forhold mellom tøystykket og væsken av 1 : 20, og der ble omrørt i 15 minutter, hvorunder tem-
peraturen ble holdt ved 60 + 2°C. Tøy-stykket ble derpå skyllet tre ganger, strø-ket og refleksjonsprosenten ble målt. Økningen i refleksjonsprosenten var 20,0. Ved
et kontrollforsøk i fravær av esteren var
økningen i prosentref leksjonen bare 14,3.
I den anførte titreringsprøve ga esterne
i henhold til de foran anførte eksempler
følgende resultat:
Claims (12)
1. Fremgangsmåte ved bleking karakterisert ved at der anvendes en vandig opp-løsning av hydrogenperoksyd og en organisk ester av en karbonsyre som har en
titer ved den titreringsmetode som er angitt i kravets beskrivelse, side 2, av ikke mindre enn 1.5 ml o. IN natrium tiosulfat.
2. Fremgangsmåte som er angitt i påstand 1, karakterisert ved at esteren er en fenylester.
3. Fremgangsmåte som angitt i påstand 2, karakterisert ved at esteren er en benzoylester av et natrium- eller kalium-fenolsulfonat.
4. Fremgangsmåte som er angitt i påstand 1, karakterisert ved at esteren er en ester av en enverdig alifatisk alkohol, en ester av en flerverdig alifatisk alkohol, som fortrinnsvis inneholder 3 eller flere ester-grupper som befinner seg på tilgrensede kullstoffatomer, en ester av et mono- eller di-sakkarid, som fortrinnsvis inneholder 3 eller flere estergrupper, som befinner seg på tilgrensende kullstoffatomer, en ester som inneholder 2 estergrupper bundet til det samme kullstoffatom eller en ester av enolformen av et keton.
5. Fremgangsmåte som angitt i en av de foregående påstander, karakterisert vedat der anvendes y4 til 2 molekyler av ester
for hvert atom av tilgjengelig oxygen som tilveiebringes av hydrogenperoksydet.
6. Fast blekepreparat for anvendelse i en fremgangsmåte som angitt i påstand 1, karakterisert ved at det inneholder et anorganisk per-salt og en organisk ester av en karbonsyre, hvilken ester har en titer, ved den i beskrivelsen angitte titreringsmetode, av ikke mindre enn 1.5 ml O. IN natrium tiosulfat og fortrinnsvis at den inneholder et organisk rensemiddel.
7. Preparat som angitt i påstand 6, karakterisert ved at det inneholder et alkalisk materiale hvis pH i 0.1 %'s vandig oppløsning ved 22 °C er i det minste 9.
8. Preparat som angitt i påstand 6 eller 7, karakterisert ved at esteren er en fenylester.
9. Preparat som angitt i påstand 8, karakterisert ved at esteren er benzoylesteren av natrium- eller kalium-fenolsulfonat.
10. Preparat som angitt i påstand 6 eller 7, karakterisert ved at esteren er en ester av en enverdig, alifatisk alkohol, en ester av flerverdig alifatisk alkohol som inneholder fortrinnsvis 3 eller flere ester-grupper som befinner seg på tilgrensende kullstoffatomer, en ester av et mono- eller di-sakkarid som fortrinnsvis inneholder 3 eller flere estergrupper som befinner seg på tilgrensende kullstoffatomer, en ester som inneholder 2 estergrupper som er bundet til det samme kullstoffatom, eller en ester av enolformen av et keton.
11. Preparat som angitt i en av på-standene 6—10, karakterisert ved at det inneholder estere og per-salter i slike mengder at der er tilstede fra y4 til 2 molekyler av ester for hvert atom tilgjengelig oxygen som tilveiebringes av per-saltet.
12. Preparat som angitt i en av på-standene 6—11, karakterisert ved at det inneholder 2 til 30 % av esteren og fra 1 til 15 % av per-salter beregnet på vekten av preparatet.
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US359295A US3301746A (en) | 1964-04-13 | 1964-04-13 | Process for forming absorbent paper by imprinting a fabric knuckle pattern thereon prior to drying and paper thereof |
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- 1965-04-13 DK DK188565AA patent/DK129103B/da unknown
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DK129103B (da) | 1974-08-19 |
JPS5341243B1 (no) | 1978-11-01 |
DE1461271A1 (de) | 1968-11-21 |
AT277740B (de) | 1970-01-12 |
DE1461271B2 (de) | 1977-04-07 |
CH434957A (de) | 1967-04-30 |
DE1796366B2 (de) | 1978-06-15 |
US3301746A (en) | 1967-01-31 |
FI42917B (no) | 1970-08-03 |
GB1073063A (en) | 1967-06-21 |
DE1461271C3 (de) | 1978-11-30 |
DE1796366C3 (no) | 1979-02-08 |
DE1796366A1 (de) | 1977-06-23 |
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