CA1101157A - Semisynthetic paper structure on a urea basis - Google Patents
Semisynthetic paper structure on a urea basisInfo
- Publication number
- CA1101157A CA1101157A CA286,870A CA286870A CA1101157A CA 1101157 A CA1101157 A CA 1101157A CA 286870 A CA286870 A CA 286870A CA 1101157 A CA1101157 A CA 1101157A
- Authority
- CA
- Canada
- Prior art keywords
- paper
- urea
- curing
- resin
- foam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract description 136
- 239000004202 carbamide Substances 0.000 title abstract description 66
- 229920001807 Urea-formaldehyde Polymers 0.000 claims abstract description 53
- 238000001035 drying Methods 0.000 claims abstract description 52
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 229920005989 resin Polymers 0.000 claims description 80
- 239000011347 resin Substances 0.000 claims description 80
- 239000006260 foam Substances 0.000 claims description 79
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 56
- 239000001913 cellulose Substances 0.000 claims description 44
- 229920002678 cellulose Polymers 0.000 claims description 41
- 239000000945 filler Substances 0.000 claims description 25
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 25
- 239000005995 Aluminium silicate Substances 0.000 claims description 23
- 239000002253 acid Substances 0.000 claims description 23
- 235000012211 aluminium silicate Nutrition 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 230000009257 reactivity Effects 0.000 claims description 16
- 230000002378 acidificating effect Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 11
- 235000012239 silicon dioxide Nutrition 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims description 8
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 8
- 229920001131 Pulp (paper) Polymers 0.000 claims description 4
- 238000010348 incorporation Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 239000012634 fragment Substances 0.000 abstract description 62
- 230000015572 biosynthetic process Effects 0.000 abstract description 20
- 235000013311 vegetables Nutrition 0.000 abstract description 9
- 230000002844 continuous effect Effects 0.000 abstract description 3
- 238000010981 drying operation Methods 0.000 abstract description 3
- 235000013877 carbamide Nutrition 0.000 description 64
- 238000001723 curing Methods 0.000 description 50
- 235000010980 cellulose Nutrition 0.000 description 43
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 31
- 239000000243 solution Substances 0.000 description 30
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 29
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 19
- 238000005755 formation reaction Methods 0.000 description 19
- 229910021653 sulphate ion Inorganic materials 0.000 description 19
- 238000009833 condensation Methods 0.000 description 18
- 230000005494 condensation Effects 0.000 description 17
- 239000000047 product Substances 0.000 description 17
- 239000000725 suspension Substances 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 16
- 235000011007 phosphoric acid Nutrition 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 15
- 229960004838 phosphoric acid Drugs 0.000 description 15
- 239000000126 substance Substances 0.000 description 15
- 239000007787 solid Substances 0.000 description 14
- -1 Methylol groups Chemical group 0.000 description 12
- 229910019142 PO4 Inorganic materials 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 10
- 235000021317 phosphate Nutrition 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 10
- 238000003860 storage Methods 0.000 description 10
- 238000005187 foaming Methods 0.000 description 9
- 229960004279 formaldehyde Drugs 0.000 description 9
- 238000004537 pulping Methods 0.000 description 9
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 9
- 239000002244 precipitate Substances 0.000 description 8
- 229920003043 Cellulose fiber Polymers 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 7
- 239000010452 phosphate Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 6
- 235000011613 Pinus brutia Nutrition 0.000 description 6
- 241000018646 Pinus brutia Species 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 235000019353 potassium silicate Nutrition 0.000 description 6
- 235000011121 sodium hydroxide Nutrition 0.000 description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 6
- 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 description 5
- 230000001413 cellular effect Effects 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 239000003337 fertilizer Substances 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000010893 paper waste Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 5
- 239000000454 talc Substances 0.000 description 5
- 229910052623 talc Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229920002522 Wood fibre Polymers 0.000 description 4
- 238000010306 acid treatment Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 238000010420 art technique Methods 0.000 description 4
- 238000003490 calendering Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000004513 sizing Methods 0.000 description 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012958 reprocessing Methods 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- VGGLHLAESQEWCR-UHFFFAOYSA-N N-(hydroxymethyl)urea Chemical compound NC(=O)NCO VGGLHLAESQEWCR-UHFFFAOYSA-N 0.000 description 2
- 241001481789 Rupicapra Species 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical group 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 229940106135 cellulose Drugs 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- RPUZVWKKWXPKIP-UHFFFAOYSA-H dialuminum;hydrogen phosphate Chemical compound [Al+3].[Al+3].OP([O-])([O-])=O.OP([O-])([O-])=O.OP([O-])([O-])=O RPUZVWKKWXPKIP-UHFFFAOYSA-H 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000028327 secretion Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002937 thermal insulation foam Substances 0.000 description 2
- NGZXDRGWBULKFA-NSOVKSMOSA-N (+)-Bebeerine Chemical compound C([C@@H]1N(C)CCC=2C=C(C(=C(OC3=CC=C(C=C3)C[C@H]3C=4C=C(C(=CC=4CCN3C)OC)O3)C=21)O)OC)C1=CC=C(O)C3=C1 NGZXDRGWBULKFA-NSOVKSMOSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 101100345589 Mus musculus Mical1 gene Proteins 0.000 description 1
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- WMWXXXSCZVGQAR-UHFFFAOYSA-N dialuminum;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3] WMWXXXSCZVGQAR-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 229960004011 methenamine Drugs 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000014075 nitrogen utilization Effects 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- NIXKBAZVOQAHGC-UHFFFAOYSA-N phenylmethanesulfonic acid Chemical class OS(=O)(=O)CC1=CC=CC=C1 NIXKBAZVOQAHGC-UHFFFAOYSA-N 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
- D21H17/50—Acyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Materials For Medical Uses (AREA)
- Fertilizers (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7610444-7 | 1976-09-21 | ||
| SE7610444A SE401697B (sv) | 1976-09-21 | 1976-09-21 | Halvsyntetiskt papper pa ureabas samt sett for dess framstellning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1101157A true CA1101157A (en) | 1981-05-19 |
Family
ID=20328924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA286,870A Expired CA1101157A (en) | 1976-09-21 | 1977-09-15 | Semisynthetic paper structure on a urea basis |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4183783A (OSRAM) |
| JP (1) | JPS5352706A (OSRAM) |
| CA (1) | CA1101157A (OSRAM) |
| DE (1) | DE2741627A1 (OSRAM) |
| FI (1) | FI63085C (OSRAM) |
| FR (1) | FR2365001A1 (OSRAM) |
| GB (1) | GB1574344A (OSRAM) |
| IT (1) | IT1086496B (OSRAM) |
| NL (1) | NL7710373A (OSRAM) |
| NO (1) | NO148269C (OSRAM) |
| SE (1) | SE401697B (OSRAM) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0009322B1 (en) * | 1978-09-01 | 1983-01-12 | Imperial Chemical Industries Plc | Absorbent papers and a process for their production |
| EP0014026B1 (en) * | 1979-01-19 | 1983-02-09 | Imperial Chemical Industries Plc | Paper containing partially cured amino/aldehyde fibres and process for making it |
| US4258098A (en) * | 1979-06-06 | 1981-03-24 | Gaf Corporation | Glass fiber mat with improved binder |
| DE3161960D1 (en) * | 1980-07-29 | 1984-02-23 | Ici Plc | Method of making a laminated sheet material |
| US4455545A (en) * | 1982-11-05 | 1984-06-19 | Sperry Corporation | High frequency output inductor for inverter power supply |
| JPS60209098A (ja) * | 1984-03-28 | 1985-10-21 | 三井東圧化学株式会社 | 軽量紙およびその製法 |
| GB2163145A (en) * | 1984-08-15 | 1986-02-19 | Lin Jing Chau | An artificial soil |
| DE4409112C2 (de) * | 1993-09-27 | 1997-05-15 | Buening Pfaue Hans Prof Dr | Verfahren zum Schutz vor Verlagerung von Wirkstoffen auf landwirtschaftlich oder gartenbaulich nutzbaren Flächen |
| DE19517905C2 (de) * | 1995-05-16 | 2000-07-13 | Inst Getreideverarbeitung | Verfahren zur Herstellung einer Stoffgemisch-Masse, die ökologisch verträglich ist, zur Ausformung von Gegenständen wie Blumen- und Saattöpfe, Pflanzplatten, Gärschalen, Verpackungsformkörper, Dämmplatten sowie Floristikmaterial |
| US8709205B2 (en) * | 2009-12-16 | 2014-04-29 | Ube Industries, Ltd. | Polyimide short fibers and heat-resistant paper comprising same |
| CN104761799A (zh) * | 2015-04-15 | 2015-07-08 | 李孟平 | 一种基于植物改性纤维的合成纸的制备方法 |
| CN111349380A (zh) * | 2020-05-13 | 2020-06-30 | 河北宇阳泽丽防水材料有限公司 | 一种芳香族单组分聚脲涂料及其制备方法 |
| CN111393973A (zh) * | 2020-05-13 | 2020-07-10 | 河北宇阳泽丽防水材料有限公司 | 一种脂肪族单组分聚脲涂料及其制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2582840A (en) * | 1946-09-07 | 1952-01-15 | American Cyanamid Co | Sizing fibrous materials with modified urea-formaldehyde resin |
| NL229924A (OSRAM) * | 1958-06-03 | |||
| NL134090C (OSRAM) * | 1965-04-03 | 1900-01-01 | ||
| CA958508A (en) * | 1970-01-20 | 1974-12-03 | Martyn Aartsen | Fibre treatment process |
| US3912532A (en) * | 1974-01-17 | 1975-10-14 | Nl Industries Inc | Urea-formaldehyde coated clay particles, as an opacifying agent |
-
1976
- 1976-09-21 SE SE7610444A patent/SE401697B/xx not_active IP Right Cessation
-
1977
- 1977-09-13 NO NO773153A patent/NO148269C/no unknown
- 1977-09-15 DE DE19772741627 patent/DE2741627A1/de not_active Withdrawn
- 1977-09-15 CA CA286,870A patent/CA1101157A/en not_active Expired
- 1977-09-20 GB GB39223/77A patent/GB1574344A/en not_active Expired
- 1977-09-21 FR FR7728488A patent/FR2365001A1/fr active Granted
- 1977-09-21 FI FI772784A patent/FI63085C/fi not_active IP Right Cessation
- 1977-09-21 JP JP11276577A patent/JPS5352706A/ja active Pending
- 1977-09-21 NL NL7710373A patent/NL7710373A/xx not_active Application Discontinuation
- 1977-09-21 IT IT27816/77A patent/IT1086496B/it active
- 1977-09-21 US US05/835,342 patent/US4183783A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NO773153L (no) | 1978-03-22 |
| SE401697B (sv) | 1978-05-22 |
| GB1574344A (en) | 1980-09-03 |
| NL7710373A (nl) | 1978-03-23 |
| JPS5352706A (en) | 1978-05-13 |
| US4183783A (en) | 1980-01-15 |
| NO148269C (no) | 1983-09-07 |
| FI772784A7 (fi) | 1978-03-22 |
| FR2365001B3 (OSRAM) | 1980-07-18 |
| NO148269B (no) | 1983-05-30 |
| SE7610444L (sv) | 1978-03-22 |
| IT1086496B (it) | 1985-05-28 |
| FI63085C (fi) | 1983-04-11 |
| FI63085B (fi) | 1982-12-31 |
| DE2741627A1 (de) | 1978-03-30 |
| FR2365001A1 (fr) | 1978-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1101157A (en) | Semisynthetic paper structure on a urea basis | |
| US4202959A (en) | Sulfite-modified fibrous resinous material | |
| US3923592A (en) | Process for manufacturing a flushable fibrous sheet material for use in sanitary products | |
| MXPA05004551A (es) | Producto de papel tisu que tiene tanto resistencia fugitiva en humedo como un compuesto flexibilizante de la fibra. | |
| US2582840A (en) | Sizing fibrous materials with modified urea-formaldehyde resin | |
| US2732295A (en) | Mftrnn of maktivr mfvfp at | |
| WO2022144681A1 (en) | Method of producing a cellulose fiber structure and a fiber structure | |
| EP0005905B1 (en) | Aminoplast resin particles, a process for their manufacture and their use in paper products | |
| FI84182C (fi) | Foerfarande foer framstaellning av fiberfoerstaerkta skum- eller cellstycken kroppar. | |
| US3210239A (en) | Process of forming paper containing foamed aminoplast resins | |
| US3038867A (en) | Aqueous paper furnish comprising a deaerated disintegrated urea-formaldehyde resin foam and process of making same | |
| US3037903A (en) | Production of paper | |
| EP0045135B1 (en) | Method of making a laminated sheet material | |
| US3004884A (en) | Sheeted fibrous materials and processes for the manufacture thereof | |
| US3006561A (en) | Disintegration of resin foams | |
| US3047538A (en) | Preparation of urea-formaldehyde foamed resin | |
| US3117098A (en) | Process of making a urea-formaldehyde resin in the form of an undried, cured, three dimensional reticulated structure and product obtained therefrom | |
| WO1992004502A1 (en) | Process of manufacture of a single layer thick dry felt through a wet process and single layer thick dry felt obtained thereby | |
| US3271237A (en) | Process for the production of a fibrous polyamide laminar structure | |
| FI68435B (fi) | Lignocellulosamaterial med foerbaettrad styrka avvattningsfoermaoga och malbarhet samt saett att framstaella detta | |
| FI70618C (fi) | Kemisk massa med foerbaettrad styrka avvattningsbarhet och malbarhet samt saett att framstaella denna | |
| US3417037A (en) | Sheet of cellulosic fiber and urea-formaldehyde resin and process of manufacture thereof | |
| GB1573115A (en) | Fibre containing products in sheet form | |
| EP0014026B1 (en) | Paper containing partially cured amino/aldehyde fibres and process for making it | |
| RU2069712C1 (ru) | Способ изготовления бумаги-основы защитной пленки отделочных материалов |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |