CA2271900A1 - Processus ameliore de fabrication de pates chimiques - Google Patents

Processus ameliore de fabrication de pates chimiques Download PDF

Info

Publication number: CA2271900A1
Authority: CA; Canada
Prior art keywords: group; pulp; oc2h4; average value; mixture
Prior art date: 1998-05-12
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.): Abandoned

Application number

CA 2271900

Other languages

English (en)

Inventor

Randal Myron Hill

James Habermehl

Kathleen Ann Goudie

Richard Frederick Burow

Kenneth Christopher Fey

Russell Allen Elms

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Dow Silicones Corp

Original Assignee

Dow Corning Corp

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.)

1998-05-12

Filing date

1999-05-11

Publication date

1999-11-12

1999-05-11 Application filed by Dow Corning Corp filed Critical Dow Corning Corp

1999-11-12 Publication of CA2271900A1 publication Critical patent/CA2271900A1/fr

Status Abandoned legal-status Critical Current

Links

239000000126 substance Substances 0.000 title claims abstract description 54
238000004537 pulping Methods 0.000 title claims abstract description 44
238000000034 method Methods 0.000 title claims description 63
USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims abstract description 37
229920001296 polysiloxane Polymers 0.000 claims abstract description 35
239000004094 surface-active agent Substances 0.000 claims abstract description 33
239000002023 wood Substances 0.000 claims description 55
238000010411 cooking Methods 0.000 claims description 50
-1 n-decyl Chemical group 0.000 claims description 37
239000000203 mixture Substances 0.000 claims description 24
150000001875 compounds Chemical class 0.000 claims description 23
239000002655 kraft paper Substances 0.000 claims description 16
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 15
239000011734 sodium Substances 0.000 claims description 15
229910052708 sodium Inorganic materials 0.000 claims description 15
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 14
125000000217 alkyl group Chemical group 0.000 claims description 12
125000004432 carbon atom Chemical group C* 0.000 claims description 12
125000001183 hydrocarbyl group Chemical group 0.000 claims description 11
PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 10
150000004056 anthraquinones Chemical class 0.000 claims description 10
238000010438 heat treatment Methods 0.000 claims description 7
125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
125000003118 aryl group Chemical group 0.000 claims description 6
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 5
125000002252 acyl group Chemical group 0.000 claims description 5
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
239000001257 hydrogen Substances 0.000 claims description 5
229910052739 hydrogen Inorganic materials 0.000 claims description 5
239000001301 oxygen Substances 0.000 claims description 5
229910052760 oxygen Inorganic materials 0.000 claims description 5
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
238000009835 boiling Methods 0.000 claims description 4
125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 4
239000011874 heated mixture Substances 0.000 claims description 4
125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 4
SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 3
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 3
229910052783 alkali metal Inorganic materials 0.000 claims description 3
229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
239000004615 ingredient Substances 0.000 claims description 3
150000001340 alkali metals Chemical class 0.000 claims description 2
150000001342 alkaline earth metals Chemical class 0.000 claims description 2
150000003863 ammonium salts Chemical class 0.000 claims description 2
239000005077 polysulfide Substances 0.000 claims description 2
229920001021 polysulfide Polymers 0.000 claims description 2
150000008117 polysulfides Polymers 0.000 claims description 2
229920001131 Pulp (paper) Polymers 0.000 abstract description 10
239000000654 additive Substances 0.000 abstract description 7
230000000704 physical effect Effects 0.000 abstract 1
229920005610 lignin Polymers 0.000 description 18
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
238000007792 addition Methods 0.000 description 10
239000003945 anionic surfactant Substances 0.000 description 10
239000003513 alkali Substances 0.000 description 9
230000029087 digestion Effects 0.000 description 9
101100457461 Caenorhabditis elegans mnm-2 gene Proteins 0.000 description 8
239000007788 liquid Substances 0.000 description 8
238000010998 test method Methods 0.000 description 8
239000000835 fiber Substances 0.000 description 6
238000011282 treatment Methods 0.000 description 6
238000004061 bleaching Methods 0.000 description 5
238000004519 manufacturing process Methods 0.000 description 5
241000894007 species Species 0.000 description 5
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
230000001143 conditioned effect Effects 0.000 description 4
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
238000002360 preparation method Methods 0.000 description 4
229910052979 sodium sulfide Inorganic materials 0.000 description 4
GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 4
238000005406 washing Methods 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
239000007864 aqueous solution Substances 0.000 description 3
239000007795 chemical reaction product Substances 0.000 description 3
239000002131 composite material Substances 0.000 description 3
229920001577 copolymer Polymers 0.000 description 3
125000004122 cyclic group Chemical group 0.000 description 3
230000001079 digestive effect Effects 0.000 description 3
150000003961 organosilicon compounds Chemical class 0.000 description 3
239000000123 paper Substances 0.000 description 3
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
ASDLSKCKYGVMAI-UHFFFAOYSA-N 9,10-dioxoanthracene-2-carboxylic acid Chemical compound C1=CC=C2C(=O)C3=CC(C(=O)O)=CC=C3C(=O)C2=C1 ASDLSKCKYGVMAI-UHFFFAOYSA-N 0.000 description 2
239000004155 Chlorine dioxide Substances 0.000 description 2
ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
241000196324 Embryophyta Species 0.000 description 2
229910019142 PO4 Inorganic materials 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
150000007513 acids Chemical class 0.000 description 2
125000002947 alkylene group Chemical group 0.000 description 2
238000010009 beating Methods 0.000 description 2
230000015556 catabolic process Effects 0.000 description 2
229920002678 cellulose Polymers 0.000 description 2
239000001913 cellulose Substances 0.000 description 2
235000019398 chlorine dioxide Nutrition 0.000 description 2
238000007796 conventional method Methods 0.000 description 2
238000006731 degradation reaction Methods 0.000 description 2
239000002657 fibrous material Substances 0.000 description 2
239000006260 foam Substances 0.000 description 2
125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
239000010452 phosphate Substances 0.000 description 2
150000003254 radicals Chemical class 0.000 description 2
239000011122 softwood Substances 0.000 description 2
239000000243 solution Substances 0.000 description 2
238000010025 steaming Methods 0.000 description 2
125000003944 tolyl group Chemical group 0.000 description 2
125000005023 xylyl group Chemical group 0.000 description 2
125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
101150076749 C10L gene Proteins 0.000 description 1
GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
102100030386 Granzyme A Human genes 0.000 description 1
101001009599 Homo sapiens Granzyme A Proteins 0.000 description 1
BAVYZALUXZFZLV-UHFFFAOYSA-O Methylammonium ion Chemical compound [NH3+]C BAVYZALUXZFZLV-UHFFFAOYSA-O 0.000 description 1
DJEQZVQFEPKLOY-UHFFFAOYSA-N N,N-dimethylbutylamine Chemical compound CCCCN(C)C DJEQZVQFEPKLOY-UHFFFAOYSA-N 0.000 description 1
OPKOKAMJFNKNAS-UHFFFAOYSA-N N-methylethanolamine Chemical compound CNCCO OPKOKAMJFNKNAS-UHFFFAOYSA-N 0.000 description 1
235000005018 Pinus echinata Nutrition 0.000 description 1
241001236219 Pinus echinata Species 0.000 description 1
235000017339 Pinus palustris Nutrition 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
238000010793 Steam injection (oil industry) Methods 0.000 description 1
ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
238000005804 alkylation reaction Methods 0.000 description 1
150000001408 amides Chemical class 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
125000000129 anionic group Chemical group 0.000 description 1
125000003710 aryl alkyl group Chemical group 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
239000011230 binding agent Substances 0.000 description 1
239000007844 bleaching agent Substances 0.000 description 1
238000007664 blowing Methods 0.000 description 1
125000004063 butyryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
238000012993 chemical processing Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
239000000470 constituent Substances 0.000 description 1
125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
125000004956 cyclohexylene group Chemical group 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
150000002009 diols Chemical class 0.000 description 1
238000007599 discharging Methods 0.000 description 1
YOAIDOXEITXQEU-UHFFFAOYSA-L disodium;9,10-dioxoanthracene-1,5-disulfonate;hydrate Chemical compound O.[Na+].[Na+].O=C1C=2C(S(=O)(=O)[O-])=CC=CC=2C(=O)C2=C1C=CC=C2S([O-])(=O)=O YOAIDOXEITXQEU-UHFFFAOYSA-L 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
QUSNBJAOOMFDIB-UHFFFAOYSA-O ethylaminium Chemical compound CC[NH3+] QUSNBJAOOMFDIB-UHFFFAOYSA-O 0.000 description 1
LIWAQLJGPBVORC-UHFFFAOYSA-N ethylmethylamine Chemical compound CCNC LIWAQLJGPBVORC-UHFFFAOYSA-N 0.000 description 1
238000000605 extraction Methods 0.000 description 1
239000012634 fragment Substances 0.000 description 1
150000002334 glycols Chemical class 0.000 description 1
239000011121 hardwood Substances 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
230000001678 irradiating effect Effects 0.000 description 1
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
125000000400 lauroyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
239000000463 material Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
238000012806 monitoring device Methods 0.000 description 1
125000001419 myristoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
230000035515 penetration Effects 0.000 description 1
150000002978 peroxides Chemical class 0.000 description 1
CFVVSQSFKWLGAX-UHFFFAOYSA-N phenol;propane Chemical group CCC.OC1=CC=CC=C1 CFVVSQSFKWLGAX-UHFFFAOYSA-N 0.000 description 1
125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
150000004885 piperazines Chemical class 0.000 description 1
239000011148 porous material Substances 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
239000000047 product Substances 0.000 description 1
125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
239000003265 pulping liquor Substances 0.000 description 1
238000011403 purification operation Methods 0.000 description 1
239000002994 raw material Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000012216 screening Methods 0.000 description 1
WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
235000019345 sodium thiosulphate Nutrition 0.000 description 1
UPYATISLEPWPOB-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2,6-disulfonic acid Chemical compound [Na+].OS(=O)(=O)C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 UPYATISLEPWPOB-UHFFFAOYSA-N 0.000 description 1
KHILLYASAGTPOI-UHFFFAOYSA-M sodium;9,10-dioxoanthracene-2-sulfonate;hydrate Chemical compound O.[Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)[O-])=CC=C3C(=O)C2=C1 KHILLYASAGTPOI-UHFFFAOYSA-M 0.000 description 1
239000007787 solid Substances 0.000 description 1
125000003696 stearoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
150000005846 sugar alcohols Polymers 0.000 description 1
BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
150000003871 sulfonates Chemical class 0.000 description 1
229920001897 terpolymer Polymers 0.000 description 1
238000012360 testing method Methods 0.000 description 1
GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 1
GETQZCLCWQTVFV-UHFFFAOYSA-O trimethylammonium Chemical compound C[NH+](C)C GETQZCLCWQTVFV-UHFFFAOYSA-O 0.000 description 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/003—Pulping cellulose-containing materials with organic compounds
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

Paper (AREA)
Compositions Of Macromolecular Compounds (AREA)

CA 2271900 1998-05-12 1999-05-11 Processus ameliore de fabrication de pates chimiques Abandoned CA2271900A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US7641398A	1998-05-12	1998-05-12
US09/076,413		1998-05-12

Publications (1)

Publication Number	Publication Date
CA2271900A1 true CA2271900A1 (fr)	1999-11-12

Family

ID=22131862

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2271900 Abandoned CA2271900A1 (fr)	1998-05-12	1999-05-11	Processus ameliore de fabrication de pates chimiques

Country Status (6)

Country	Link
EP (1)	EP0957198A1 (fr)
JP (1)	JPH11335989A (fr)
AU (1)	AU2803599A (fr)
CA (1)	CA2271900A1 (fr)
ID (1)	ID23328A (fr)
NO (1)	NO992021L (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1064844A1 (fr) *	1999-06-30	2001-01-03	Dow Corning Corporation	Melanges de tensioactifs contenant des organosilicones tensioactifs et des tensioactifs a base de sulfonate de diphenylether utiles comme additifs phytosanitaires
DE19939866A1 (de) *	1999-08-23	2001-03-01	Wacker Chemie Gmbh	Zusammensetzung zur Erhöhung der Massenaufnahme von polaren Systemen in hydrophob-hydrophilen Hybridmaterialien
AU2003904323A0 (en) *	2003-08-13	2003-08-28	Viridian Chemical Pty Ltd	Solvents based on salts of aryl acids
DE102007056170A1 (de) *	2006-12-28	2008-11-06	Dominik Peus	Semikontinuierliches Verfahren zur Herstellung von Brennstoff aus Biomasse
GB201115161D0 (en)	2011-09-02	2011-10-19	Dow Corning	Improving the drainage of an aqueous composition
EP3697961A1 (fr)	2017-10-17	2020-08-26	Auburn University	Phénols utilisés comme additifs dans la réduction en pâte kraft

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3147179A (en) *	1959-06-26	1964-09-01	St Joe Paper Company	Pulping processes
DE4032006A1 (de) *	1990-10-09	1992-04-16	Wacker Chemie Gmbh	Verfahren zum entschaeumen und/oder entgasen von organischen systemen
US5250152A (en) *	1991-02-20	1993-10-05	Betz Paperchem, Inc.	Ethoxylated alcohol and dialkylphenol surfactants as Kraft pulping additives for reject reduction and yield increase
US5464502A (en) *	1993-10-05	1995-11-07	Betz Paperchem, Inc.	Anionic sulfonate surfactants in the washing and pulping operation
DE4440186A1 (de) *	1994-11-10	1996-05-15	Wacker Chemie Gmbh	Verfahren zur Gewinnung von Zellstoff
US5728265A (en) *	1995-06-12	1998-03-17	Henkel Corporation	Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane

1999
- 1999-04-28 NO NO992021A patent/NO992021L/no not_active Application Discontinuation
- 1999-05-05 EP EP99303531A patent/EP0957198A1/fr not_active Withdrawn
- 1999-05-07 ID IDP990428A patent/ID23328A/id unknown
- 1999-05-11 CA CA 2271900 patent/CA2271900A1/fr not_active Abandoned
- 1999-05-11 AU AU28035/99A patent/AU2803599A/en not_active Abandoned
- 1999-05-12 JP JP13162499A patent/JPH11335989A/ja not_active Withdrawn

Also Published As

Publication number	Publication date
NO992021L (no)	1999-11-15
NO992021D0 (no)	1999-04-28
EP0957198A1 (fr)	1999-11-17
AU2803599A (en)	1999-11-18
JPH11335989A (ja)	1999-12-07
ID23328A (id)	2000-04-05

Legal Events

Date	Code	Title	Description
2002-05-13	FZDE	Dead

Publication	Publication Date	Title
US4486267A (en)	1984-12-04	Chemithermomechanical pulping process employing separate alkali and sulfite treatments
US3888727A (en)	1975-06-10	Treatment of lignocellulosic material in an alkaline pulping liquor containing anthraquinone sulphonic acid followed by oxygen delignification
US4952277A (en)	1990-08-28	Process for producing kraft pulp for paper using nonionic surface active agents to improve pulp yield
EP1883731A2 (fr)	2008-02-06	Fibres kraft modifiees
US20110168345A1 (en)	2011-07-14	Method of producing paper and cardboard
NO178467B (no)	1995-12-27	Fremgangsmåte for fremstillig av kjemo-mekanisk og/eller kjemo-termomekanisk masse av ved
Kirçi et al.	1994	A new modified pulping process alternative to sulphate method “Alkali-Sulfite-Antraquinone-Ethanol (ASAE)”
US3919041A (en)	1975-11-11	Multi-stage chlorine dioxide delignification of wood pulp
CA2271900A1 (fr)	1999-11-12	Processus ameliore de fabrication de pates chimiques
US3829357A (en)	1974-08-13	Oxidative manufacture of pulp with chlorine dioxide
Brännvall	2009	Pulping technology
EP1077282A1 (fr)	2001-02-21	Procédé de mise en pâte chimique
US1654624A (en)	1928-01-03	Process of separating vegetable fibrous material
EP1490548A1 (fr)	2004-12-29	Procede de modification de fibres de cellulose
US3147179A (en)	1964-09-01	Pulping processes
EP0030778B1 (fr)	1983-07-20	Procédé de préparation d'une pâte raffinée
US3013931A (en)	1961-12-19	Printing paper and process of making the same
US3591451A (en)	1971-07-06	Pretreatment of vegetable matter and delignification of the refined matter with chloring dioxide
USRE28777E (en)	1976-04-20	Refining of vegetable matter and delignification of the refined matter with chlorine dioxide
US7097739B2 (en)	2006-08-29	Method for the production of improved pulp
EP0096460B1 (fr)	1986-09-03	Procédé pour maintenir les propriétés d'une pâte
JPS6262196B2 (fr)	1987-12-25
US1880048A (en)	1932-09-27	Multistage process of pulping raw cellulosic material
Fišerová et al.	2016	Influence of beech wood pre-extraction on bleaching and strength properties of kraft pulps
US1848662A (en)	1932-03-08	of berlin