EP1358387A2 - Crosslinked cellulosic product formed by extrusion process - Google Patents

Crosslinked cellulosic product formed by extrusion process

Info

Publication number: EP1358387A2
Authority: EP; European Patent Office
Prior art keywords: sep; composite; fibers; foam; crosslinked
Prior art date: 2000-11-14
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP01993208A

Other languages

German (de)

English (en)

French (fr)

Inventor

Peter A. Graef

Terry M. Grant

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.)

Weyerhaeuser Co

Original Assignee

Weyerhaeuser Co

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.)

2000-11-14

Filing date

2001-11-14

Publication date

2003-11-05

2001-11-14 Application filed by Weyerhaeuser Co filed Critical Weyerhaeuser Co

2003-11-05 Publication of EP1358387A2 publication Critical patent/EP1358387A2/en

Status Withdrawn legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 142
238000001125 extrusion Methods 0.000 title claims description 34
230000008569 process Effects 0.000 title description 87
239000000835 fiber Substances 0.000 claims abstract description 302
239000000463 material Substances 0.000 claims abstract description 71
239000002250 absorbent Substances 0.000 claims abstract description 44
230000002745 absorbent Effects 0.000 claims abstract description 44
239000002131 composite material Substances 0.000 claims description 163
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 113
239000006260 foam Substances 0.000 claims description 91
239000004816 latex Substances 0.000 claims description 44
229920000126 latex Polymers 0.000 claims description 44
239000003431 cross linking reagent Substances 0.000 claims description 43
238000003795 desorption Methods 0.000 claims description 38
239000004094 surface-active agent Substances 0.000 claims description 37
239000007788 liquid Substances 0.000 claims description 34
239000003570 air Substances 0.000 claims description 31
239000000203 mixture Substances 0.000 claims description 30
239000007787 solid Substances 0.000 claims description 24
229920002125 Sokalan® Polymers 0.000 claims description 22
238000002156 mixing Methods 0.000 claims description 17
239000004584 polyacrylic acid Substances 0.000 claims description 17
229920001169 thermoplastic Polymers 0.000 claims description 13
230000015572 biosynthetic process Effects 0.000 claims description 11
239000003795 chemical substances by application Substances 0.000 claims description 8
238000010438 heat treatment Methods 0.000 claims description 8
239000004416 thermosoftening plastic Substances 0.000 claims description 8
238000001035 drying Methods 0.000 claims description 5
238000011065 in-situ storage Methods 0.000 abstract description 32
239000007767 bonding agent Substances 0.000 abstract description 11
229910001868 water Inorganic materials 0.000 description 46
235000015165 citric acid Nutrition 0.000 description 41
239000011148 porous material Substances 0.000 description 41
238000004132 cross linking Methods 0.000 description 33
239000011230 binding agent Substances 0.000 description 25
235000008331 Pinus X rigitaeda Nutrition 0.000 description 24
235000011613 Pinus brutia Nutrition 0.000 description 24
241000018646 Pinus brutia Species 0.000 description 24
238000009826 distribution Methods 0.000 description 24
238000013461 design Methods 0.000 description 23
230000000694 effects Effects 0.000 description 22
239000002245 particle Substances 0.000 description 21
-1 methylolated ureas Chemical class 0.000 description 15
229920003043 Cellulose fiber Polymers 0.000 description 12
235000005018 Pinus echinata Nutrition 0.000 description 12
241001236219 Pinus echinata Species 0.000 description 12
235000017339 Pinus palustris Nutrition 0.000 description 12
235000013877 carbamide Nutrition 0.000 description 12
239000003054 catalyst Substances 0.000 description 11
239000006185 dispersion Substances 0.000 description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
239000002253 acid Substances 0.000 description 10
238000007792 addition Methods 0.000 description 10
229920001577 copolymer Polymers 0.000 description 10
241000219492 Quercus Species 0.000 description 9
235000016976 Quercus macrolepis Nutrition 0.000 description 9
239000000126 substance Substances 0.000 description 9
229920001131 Pulp (paper) Polymers 0.000 description 8
238000010521 absorption reaction Methods 0.000 description 8
239000012530 fluid Substances 0.000 description 8
238000005187 foaming Methods 0.000 description 8
230000001965 increasing effect Effects 0.000 description 8
238000012360 testing method Methods 0.000 description 8
239000011162 core material Substances 0.000 description 7
239000000123 paper Substances 0.000 description 7
229920002678 cellulose Polymers 0.000 description 6
239000001913 cellulose Substances 0.000 description 6
230000006872 improvement Effects 0.000 description 6
229920000058 polyacrylate Polymers 0.000 description 6
230000002829 reductive effect Effects 0.000 description 6
229920005989 resin Polymers 0.000 description 6
239000011347 resin Substances 0.000 description 6
229920002994 synthetic fiber Polymers 0.000 description 6
150000007513 acids Chemical class 0.000 description 5
230000008901 benefit Effects 0.000 description 5
LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 5
230000014759 maintenance of location Effects 0.000 description 5
239000002609 medium Substances 0.000 description 5
229920000642 polymer Polymers 0.000 description 5
239000012209 synthetic fiber Substances 0.000 description 5
238000011282 treatment Methods 0.000 description 5
206010021639 Incontinence Diseases 0.000 description 4
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
239000000654 additive Substances 0.000 description 4
239000004202 carbamide Substances 0.000 description 4
238000000280 densification Methods 0.000 description 4
229920002401 polyacrylamide Polymers 0.000 description 4
239000013055 pulp slurry Substances 0.000 description 4
230000009467 reduction Effects 0.000 description 4
229920000247 superabsorbent polymer Polymers 0.000 description 4
ZEYUSQVGRCPBPG-UHFFFAOYSA-N 4,5-dihydroxy-1,3-bis(hydroxymethyl)imidazolidin-2-one Chemical compound OCN1C(O)C(O)N(CO)C1=O ZEYUSQVGRCPBPG-UHFFFAOYSA-N 0.000 description 3
ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 description 3
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
239000004698 Polyethylene Substances 0.000 description 3
239000004743 Polypropylene Substances 0.000 description 3
239000004372 Polyvinyl alcohol Substances 0.000 description 3
230000007423 decrease Effects 0.000 description 3
238000010586 diagram Methods 0.000 description 3
239000002612 dispersion medium Substances 0.000 description 3
229920000578 graft copolymer Polymers 0.000 description 3
239000000017 hydrogel Substances 0.000 description 3
230000001939 inductive effect Effects 0.000 description 3
229920000728 polyester Polymers 0.000 description 3
229920000573 polyethylene Polymers 0.000 description 3
229920001155 polypropylene Polymers 0.000 description 3
229920002451 polyvinyl alcohol Polymers 0.000 description 3
238000003860 storage Methods 0.000 description 3
150000003672 ureas Chemical class 0.000 description 3
239000002699 waste material Substances 0.000 description 3
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
LGJMYGMNWHYGCB-UHFFFAOYSA-N 4,5-dihydroxy-1,3-dimethylimidazolidin-2-one Chemical compound CN1C(O)C(O)N(C)C1=O LGJMYGMNWHYGCB-UHFFFAOYSA-N 0.000 description 2
NNTWKXKLHMTGBU-UHFFFAOYSA-N 4,5-dihydroxyimidazolidin-2-one Chemical compound OC1NC(=O)NC1O NNTWKXKLHMTGBU-UHFFFAOYSA-N 0.000 description 2
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
229920013683 Celanese Polymers 0.000 description 2
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
229920002472 Starch Polymers 0.000 description 2
150000001299 aldehydes Chemical class 0.000 description 2
VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
230000008859 change Effects 0.000 description 2
WVJOGYWFVNTSAU-UHFFFAOYSA-N dimethylol ethylene urea Chemical compound OCN1CCN(CO)C1=O WVJOGYWFVNTSAU-UHFFFAOYSA-N 0.000 description 2
239000000975 dye Substances 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
239000000284 extract Substances 0.000 description 2
239000002657 fibrous material Substances 0.000 description 2
229940015043 glyoxal Drugs 0.000 description 2
230000005484 gravity Effects 0.000 description 2
239000001257 hydrogen Substances 0.000 description 2
229910052739 hydrogen Inorganic materials 0.000 description 2
YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
239000011976 maleic acid Substances 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000049 pigment Substances 0.000 description 2
229920001444 polymaleic acid Polymers 0.000 description 2
238000002203 pretreatment Methods 0.000 description 2
239000002994 raw material Substances 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
239000011780 sodium chloride Substances 0.000 description 2
239000008107 starch Substances 0.000 description 2
235000019698 starch Nutrition 0.000 description 2
239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 2
230000008961 swelling Effects 0.000 description 2
VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
GGAUUQHSCNMCAU-ZXZARUISSA-N (2s,3r)-butane-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)C[C@H](C(O)=O)[C@H](C(O)=O)CC(O)=O GGAUUQHSCNMCAU-ZXZARUISSA-N 0.000 description 1
BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
CEGRHPCDLKAHJD-UHFFFAOYSA-N 1,1,1-propanetricarboxylic acid Chemical compound CCC(C(O)=O)(C(O)=O)C(O)=O CEGRHPCDLKAHJD-UHFFFAOYSA-N 0.000 description 1
CYSGHNMQYZDMIA-UHFFFAOYSA-N 1,3-Dimethyl-2-imidazolidinon Chemical compound CN1CCN(C)C1=O CYSGHNMQYZDMIA-UHFFFAOYSA-N 0.000 description 1
YORGLSZZMFADAJ-UHFFFAOYSA-N 1,3-dihydroxy-1,3-dimethylurea Chemical compound CN(O)C(=O)N(C)O YORGLSZZMFADAJ-UHFFFAOYSA-N 0.000 description 1
RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
CFPOJWPDQWJEMO-UHFFFAOYSA-N 2-(1,2-dicarboxyethoxy)butanedioic acid Chemical compound OC(=O)CC(C(O)=O)OC(C(O)=O)CC(O)=O CFPOJWPDQWJEMO-UHFFFAOYSA-N 0.000 description 1
JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
ZMGMDXCADSRNCX-UHFFFAOYSA-N 5,6-dihydroxy-1,3-diazepan-2-one Chemical class OC1CNC(=O)NCC1O ZMGMDXCADSRNCX-UHFFFAOYSA-N 0.000 description 1
KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical group FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
229920001817 Agar Polymers 0.000 description 1
241000609240 Ambelania acida Species 0.000 description 1
244000025254 Cannabis sativa Species 0.000 description 1
235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
229920000742 Cotton Polymers 0.000 description 1
229920002785 Croscarmellose sodium Polymers 0.000 description 1
FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
241000219146 Gossypium Species 0.000 description 1
229920002907 Guar gum Polymers 0.000 description 1
229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
229920000877 Melamine resin Polymers 0.000 description 1
229920000881 Modified starch Polymers 0.000 description 1
239000004368 Modified starch Substances 0.000 description 1
239000004677 Nylon Substances 0.000 description 1
229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
239000002202 Polyethylene glycol Substances 0.000 description 1
229920002873 Polyethylenimine Polymers 0.000 description 1
229920000297 Rayon Polymers 0.000 description 1
241000220317 Rosa Species 0.000 description 1
239000004902 Softening Agent Substances 0.000 description 1
KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
229920001807 Urea-formaldehyde Polymers 0.000 description 1
150000008043 acidic salts Chemical class 0.000 description 1
229920006322 acrylamide copolymer Polymers 0.000 description 1
230000009471 action Effects 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
239000008272 agar Substances 0.000 description 1
235000010419 agar Nutrition 0.000 description 1
238000005054 agglomeration Methods 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
238000007605 air drying Methods 0.000 description 1
125000003172 aldehyde group Chemical group 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
125000000217 alkyl group Chemical group 0.000 description 1
BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
125000003277 amino group Chemical group 0.000 description 1
235000019270 ammonium chloride Nutrition 0.000 description 1
BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
229910052921 ammonium sulfate Inorganic materials 0.000 description 1
235000011130 ammonium sulphate Nutrition 0.000 description 1
JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
239000004599 antimicrobial Substances 0.000 description 1
239000010905 bagasse Substances 0.000 description 1
239000002585 base Substances 0.000 description 1
238000004061 bleaching Methods 0.000 description 1
210000001124 body fluid Anatomy 0.000 description 1
MIGNWTQKRPNYLP-UHFFFAOYSA-N but-2-ene-2,3-diol urea Chemical compound NC(=O)N.OC(=C(C)O)C MIGNWTQKRPNYLP-UHFFFAOYSA-N 0.000 description 1
KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
HXDRSFFFXJISME-UHFFFAOYSA-N butanedioic acid;2,3-dihydroxybutanedioic acid Chemical compound OC(=O)CCC(O)=O.OC(=O)C(O)C(O)C(O)=O HXDRSFFFXJISME-UHFFFAOYSA-N 0.000 description 1
235000009120 camo Nutrition 0.000 description 1
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
239000001768 carboxy methyl cellulose Substances 0.000 description 1
235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
239000008112 carboxymethyl-cellulose Substances 0.000 description 1
125000002091 cationic group Chemical group 0.000 description 1
235000005607 chanvre indien Nutrition 0.000 description 1
238000001311 chemical methods and process Methods 0.000 description 1
238000007385 chemical modification Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
229940018557 citraconic acid Drugs 0.000 description 1
239000000084 colloidal system Substances 0.000 description 1
230000002301 combined effect Effects 0.000 description 1
230000002596 correlated effect Effects 0.000 description 1
230000001186 cumulative effect Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
239000004744 fabric Substances 0.000 description 1
239000000945 filler Substances 0.000 description 1
235000013305 food Nutrition 0.000 description 1
238000005194 fractionation Methods 0.000 description 1
239000000499 gel Substances 0.000 description 1
239000003365 glass fiber Substances 0.000 description 1
239000000665 guar gum Substances 0.000 description 1
235000010417 guar gum Nutrition 0.000 description 1
229960002154 guar gum Drugs 0.000 description 1
239000011121 hardwood Substances 0.000 description 1
239000011487 hemp Substances 0.000 description 1
BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical class [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
239000001863 hydroxypropyl cellulose Substances 0.000 description 1
235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
238000003780 insertion Methods 0.000 description 1
230000037431 insertion Effects 0.000 description 1
238000004898 kneading Methods 0.000 description 1
239000002655 kraft paper Substances 0.000 description 1
238000009533 lab test Methods 0.000 description 1
230000000670 limiting effect Effects 0.000 description 1
238000011068 loading method Methods 0.000 description 1
229910001629 magnesium chloride Inorganic materials 0.000 description 1
235000011090 malic acid Nutrition 0.000 description 1
239000001630 malic acid Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
235000019426 modified starch Nutrition 0.000 description 1
VSEAAEQOQBMPQF-UHFFFAOYSA-N morpholin-3-one Chemical compound O=C1COCCN1 VSEAAEQOQBMPQF-UHFFFAOYSA-N 0.000 description 1
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
229920001778 nylon Polymers 0.000 description 1
238000005457 optimization Methods 0.000 description 1
QUBQYFYWUJJAAK-UHFFFAOYSA-N oxymethurea Chemical compound OCNC(=O)NCO QUBQYFYWUJJAAK-UHFFFAOYSA-N 0.000 description 1
229950005308 oxymethurea Drugs 0.000 description 1
239000011087 paperboard Substances 0.000 description 1
239000001814 pectin Substances 0.000 description 1
229920001277 pectin Polymers 0.000 description 1
235000010987 pectin Nutrition 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
229920001223 polyethylene glycol Polymers 0.000 description 1
239000005020 polyethylene terephthalate Substances 0.000 description 1
229920000139 polyethylene terephthalate Polymers 0.000 description 1
ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
229920000098 polyolefin Polymers 0.000 description 1
229920002689 polyvinyl acetate Polymers 0.000 description 1
239000011118 polyvinyl acetate Substances 0.000 description 1
229920001289 polyvinyl ether Polymers 0.000 description 1
229920002717 polyvinylpyridine Polymers 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000007639 printing Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
239000002964 rayon Substances 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000007652 sheet-forming process Methods 0.000 description 1
239000010802 sludge Substances 0.000 description 1
239000002002 slurry Substances 0.000 description 1
229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
239000011122 softwood Substances 0.000 description 1
238000005507 spraying Methods 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
235000002906 tartaric acid Nutrition 0.000 description 1
239000011975 tartaric acid Substances 0.000 description 1
238000010998 test method Methods 0.000 description 1
230000000930 thermomechanical effect Effects 0.000 description 1
239000012815 thermoplastic material Substances 0.000 description 1
229920001187 thermosetting polymer Polymers 0.000 description 1
238000012549 training Methods 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1
NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
239000002023 wood Substances 0.000 description 1

Classifications

- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
- D21H11/20—Chemically or biochemically modified fibres
- 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
- D21F11/002—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines by using a foamed suspension
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds

Landscapes

Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Biochemistry (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Nonwoven Fabrics (AREA)
Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Paper (AREA)
Orthopedics, Nursing, And Contraception (AREA)
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

EP01993208A 2000-11-14 2001-11-14 Crosslinked cellulosic product formed by extrusion process Withdrawn EP1358387A2 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US24852000P	2000-11-14	2000-11-14
US248520P		2000-11-14
PCT/US2001/045791 WO2002055774A2 (en)	2000-11-14	2001-11-14	Crosslinked cellulosic product formed by extrusion process

Publications (1)

Publication Number	Publication Date
EP1358387A2 true EP1358387A2 (en)	2003-11-05

Family

ID=22939511

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP01993208A Withdrawn EP1358387A2 (en)	2000-11-14	2001-11-14	Crosslinked cellulosic product formed by extrusion process

Country Status (10)

Country	Link
US (1)	US20020088581A1 (ja)
EP (1)	EP1358387A2 (ja)
JP (1)	JP2004523669A (ja)
CN (1)	CN1474895A (ja)
AU (1)	AU2002245063A1 (ja)
BR (1)	BR0115337A (ja)
CA (1)	CA2427910A1 (ja)
MX (1)	MXPA03004204A (ja)
NO (1)	NO20032128L (ja)
WO (1)	WO2002055774A2 (ja)

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2001
- 2001-11-14 JP JP2002556414A patent/JP2004523669A/ja active Pending
- 2001-11-14 AU AU2002245063A patent/AU2002245063A1/en not_active Abandoned
- 2001-11-14 EP EP01993208A patent/EP1358387A2/en not_active Withdrawn
- 2001-11-14 MX MXPA03004204A patent/MXPA03004204A/es not_active Application Discontinuation
- 2001-11-14 BR BR0115337-4A patent/BR0115337A/pt not_active IP Right Cessation
- 2001-11-14 US US10/002,844 patent/US20020088581A1/en not_active Abandoned
- 2001-11-14 CA CA002427910A patent/CA2427910A1/en not_active Abandoned
- 2001-11-14 CN CNA018188494A patent/CN1474895A/zh active Pending
- 2001-11-14 WO PCT/US2001/045791 patent/WO2002055774A2/en not_active Application Discontinuation
2003
- 2003-05-12 NO NO20032128A patent/NO20032128L/no unknown

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Also Published As

Publication number	Publication date
WO2002055774A3 (en)	2002-11-21
WO2002055774A2 (en)	2002-07-18
BR0115337A (pt)	2003-08-26
NO20032128D0 (no)	2003-05-12
NO20032128L (no)	2003-07-10
MXPA03004204A (es)	2003-09-22
US20020088581A1 (en)	2002-07-11
AU2002245063A1 (en)	2002-07-24
CN1474895A (zh)	2004-02-11
JP2004523669A (ja)	2004-08-05
CA2427910A1 (en)	2002-07-18

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2004-07-28	18W	Application withdrawn	Effective date: 20040604

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US20030139718A1 (en)	2003-07-24	Reticulated absorbent composite
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WO2001070158A1 (en)	2001-09-27	Absorbent composite having surface dryness
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EP1346105A2 (en)	2003-09-24	Cellulosic product having high compression recovery
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