EP0067076A1 - Verfahren zur kontinuierlichen Herstellung in wässriger Umgebung von Latex oder analoge Zusammensetzungen und/oder Phenoplaste oder Aminoplaste enthaltenden Faserbahnen, die so hergestellten Bahnen und ihre mögliche Wiederverwendung - Google Patents
Verfahren zur kontinuierlichen Herstellung in wässriger Umgebung von Latex oder analoge Zusammensetzungen und/oder Phenoplaste oder Aminoplaste enthaltenden Faserbahnen, die so hergestellten Bahnen und ihre mögliche Wiederverwendung Download PDFInfo
- Publication number
- EP0067076A1 EP0067076A1 EP82400654A EP82400654A EP0067076A1 EP 0067076 A1 EP0067076 A1 EP 0067076A1 EP 82400654 A EP82400654 A EP 82400654A EP 82400654 A EP82400654 A EP 82400654A EP 0067076 A1 EP0067076 A1 EP 0067076A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- latex
- fibrous materials
- addition
- fibrous
- process according
- 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.)
- Granted
Links
- 239000004816 latex Substances 0.000 title claims abstract description 85
- 229920000126 latex Polymers 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims abstract description 32
- 239000000203 mixture Substances 0.000 title claims description 33
- 239000002657 fibrous material Substances 0.000 claims abstract description 59
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 16
- 229920003180 amino resin Polymers 0.000 claims abstract description 14
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 12
- 239000003792 electrolyte Substances 0.000 claims abstract description 12
- 239000012736 aqueous medium Substances 0.000 claims abstract description 11
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 10
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 6
- -1 sulfamate ions Chemical class 0.000 claims abstract description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 3
- 239000007900 aqueous suspension Substances 0.000 claims abstract description 3
- 239000000080 wetting agent Substances 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 40
- 239000000725 suspension Substances 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229920000867 polyelectrolyte Polymers 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 125000000129 anionic group Chemical group 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 7
- 239000010893 paper waste Substances 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 5
- 239000000417 fungicide Substances 0.000 claims description 5
- 239000012764 mineral filler Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000007767 bonding agent Substances 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 239000002917 insecticide Substances 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 4
- 229920002994 synthetic fiber Polymers 0.000 claims description 4
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 238000010924 continuous production Methods 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 2
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 claims description 2
- 239000000975 dye Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000012766 organic filler Substances 0.000 claims description 2
- 238000010979 pH adjustment Methods 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- 238000004513 sizing Methods 0.000 claims description 2
- 239000012209 synthetic fiber Substances 0.000 claims description 2
- 239000004758 synthetic textile Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 5
- 230000006698 induction Effects 0.000 abstract 1
- 239000000123 paper Substances 0.000 description 72
- 238000002360 preparation method Methods 0.000 description 15
- 238000013019 agitation Methods 0.000 description 13
- 238000003756 stirring Methods 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 239000011122 softwood Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 125000002091 cationic group Chemical group 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 5
- 238000010790 dilution Methods 0.000 description 5
- 239000012895 dilution Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 229920000768 polyamine Polymers 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 229920002261 Corn starch Polymers 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229960004279 formaldehyde Drugs 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000002649 leather substitute Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- KWGRBVOPPLSCSI-WPRPVWTQSA-N (-)-ephedrine Chemical compound CN[C@@H](C)[C@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-WPRPVWTQSA-N 0.000 description 1
- 241001415961 Gaviidae Species 0.000 description 1
- 235000019759 Maize starch Nutrition 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- HIGRAKVNKLCVCA-UHFFFAOYSA-N alumine Chemical compound C1=CC=[Al]C=C1 HIGRAKVNKLCVCA-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000181 anti-adherent effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- QEVHRUUCFGRFIF-MDEJGZGSSA-N reserpine Chemical compound O([C@H]1[C@@H]([C@H]([C@H]2C[C@@H]3C4=C(C5=CC=C(OC)C=C5N4)CCN3C[C@H]2C1)C(=O)OC)OC)C(=O)C1=CC(OC)=C(OC)C(OC)=C1 QEVHRUUCFGRFIF-MDEJGZGSSA-N 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
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
- D21H17/48—Condensation polymers of aldehydes or ketones with phenols
-
- 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
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/35—Polyalkenes, e.g. polystyrene
-
- 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
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- 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
-
- 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
- D21H17/51—Triazines, e.g. melamine
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/08—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
- D21H23/10—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH at least two kinds of compounds being added
Definitions
- the present invention relates to a new process for the continuous production in aqueous medium of sheets of fibrous materials - and especially paper - containing latex or the like and / or phenoplasts or aminoplasts, to sheets obtained by means of this process. as well as their possible reuse.
- the fibrous material may consist of pulp and / or glass fibers and / or synthetic fibers and / or textile fibers.
- the process described in the present invention is more particularly suitable for the manufacture of paper irrespective of the starting pulp: mechanical pulp, semi-chemical pulp, chemical pulp, unbleached chemical pulp, bleached chemical pulp, soda paste, sulphate pulp, kraft pulp, sulphite pulp, rag dough, macerated straw paste, leached straw paste, etc.
- the polyelectrolyte used is a high molecular weight polyelectrolyte of greater than 15,000, with a high positive potential, and the latex used is in the form of a finely suspended suspension. divided and stabilized at an acid pH of between 4 and 5 and preferably between 4.2 and 4.5.
- the latex used is the natural latex.
- the latex used is an artificial latex (chlorobutadiene polymer or acrylic latex in particular).
- the latex solution used has a solids content of between 5 and 50%, and preferably between 7 and 15%, its viscosity (Brookfield) is between 30 and 650 centipoise at 25 °, and the amount of latex is between 3 and 75% (as dry product) based on the total dry weight of fibrous materials).
- the diameter of the divided latex particles is between 0.01 and 0.5 g and preferably between 0.1 and 0.2 g.
- the polyelectrolyte solution used has a solids content of between 0.2 and 10%, and the amount introduced into the suspension of fibrous materials is between 0.1 and 3.5% of the dry product relative to the total dry weight of the latex for the first addition and between 0.1 and 2% of the dry product relative to the dry weight total of fibrous materials, for the second addition.
- the antifoam solution has a solids content of between 2 and 20%, and the amount added to the total mixture is between 0.05% and 0.25% of the total dry weight of fibrous materials.
- the pH is adjusted using hydrochloric acid and / or sulfuric acid and / or alumina sulphate.
- the phenolic resin (or aminoplast) solution has a content of about 50 to 85% solids, a viscosity (Brookfield) of between 5,500 and 7,000 centipoise, and the amount added to mixture (dry product) is between 0.01 and 50% based on the total dry weight of the fibrous materials.
- the fibrous material also contains, in its mass, dyes and pigments and / or fungicides and / or insecticides and / or flame retardants and / or bonding agents and / or an inert mineral filler.
- different products from the group comprising: starches, carboxymethylcelluloses, suspensions can be applied.
- the fibrous material used is a fibrous material based on pulp recycled from waste paper
- the added latex consists of a mixture of copolymers of ethylacrylate and acrylonitrile and its proportion relative to the dry weight of the materials. fibrous is between 40 and 55%.
- the release material layer is formed by an aqueous suspension of carboxymethylcellulose of a content of between 0.01 and 10% and carried for 5 to 25 minutes at 90-95 ° C.
- the suspension of carboxymethylcellulose additionally contains from 0.01% to 85% of polyester and / or from 0.01% to 75% of a silicone emulsion. of anionic or nonionic potential stabilized in an aqueous medium at a pH of between 5 and 6.
- the present invention also relates to sheets of fibrous materials obtained according to the process according to the invention.
- the paper thus obtained and which can be used for many industrial purposes (abrasive paper, adhesive paper, tearproof papers for bags, posters, etc ..., papers for the preparation of artificial leather, paper for book covers, envelopes papers waterproof, papers for the manufacture of bags for vacuum cleaners, etc )., has excellent mechanical characteristics which rank it among the best, and this thanks, in particular to its breaking length, its resistance to burst, its tensile strength, at its aptitude for thermoforming, its high resistance to use in an aqueous medium, its resistance to repeated bending, etc.
- Another extremely important characteristic of the paper according to the invention is its homogeneity demonstrated by the electron microscope and which clearly differentiates it from all the other papers currently on the market.
- the present invention relates to the reuse and recovery of fibrous materials obtained according to the method described.
- One of the advantages and not least of the process according to the present invention resides in the possibility of relatively easily recycling any fibrous material obtained according to the present invention, and this in contrast to all the papers containing latex and prepared according to the methods of the prior art.
- This repulpability and recycling operation is characterized in that it is carried out in an aqueous medium, cold, in the presence of a wetting agent and in the presence of a small amount (0.01 to 0.15% relative to volume of water and 0.2 to 1.5% based on the weight of dry fibrous materials) chloride ions and / or sulfate ions and / or sulphamate ions. It is of course the extremely fine crosslinking of the latex molecules on the fibrous material which explains the easy repulbability of the papers prepared in accordance with the present invention.
- the present invention is particularly directed to the process and the installations for producing sheets of fibrous materials (and in particular paper) containing, in their bulk, latex or the like and / or phenoplasts or aminoplasts and sheets of fibrous materials as well as obtained, as well as the means specific to the implementation of these methods, as well as the overall processes and the production lines in which are included the methods and facilities according to the present invention.
- the fibrous material from a pulp mill is introduced into the tank 1 in the presence of water and coloring matter if necessary, and undergoes appropriate agitation therein to suspend the fibrous particles.
- the solids content of the mixture is adjusted to about 2.5%.
- the prepared fibrous suspension is conveyed into the storage tank 2, then into the so-called section 3 of refining and hydration of the fiber, so that the fibrous material undergoes the structural modifications necessary for subsequent sheet setting.
- the structural modification must give the mixture a freeness value according to the SCHOPPER-RIEGLER method, between 10 and 50 ° SR.
- the fibrous material thus prepared is then introduced into the mixing tank 8.
- the treatments in sections 23 and / or 24 are optional, but these additional operations may provide properties for particular uses. If sections 23 and / or 24 are not used, the sheet is fed directly into section 25 where it is wound into a reel.
- This sheet of paper is prepared in a con tinue, as described in Example 1, however without passing through section 16, but with the passage in section 23 for calibration, then directly to section 25.
- This paper is prepared with passage in sections 16 -> 22 -> 23 -> 25.
- This paper is prepared according to the method described in Example 1, with a direct passage from section 15 to section 25.
- This paper is prepared according to the method described in Example 1, with the passage in sections 16 -> 22 -> 25.
- This paper is prepared as described in Example 6.
- Example 8 Preparation of a paper with a release layer
- an aqueous solution is prepared containing about 20% (expressed as dry matter) of previously stabilized polyester emulsion at pH 5.4, an emulsion whose Brookfield viscosity (at 25 ° C.) is between 200 and 1. 000 centipoises.
- the dry extract of the solution contained in the tank is between 2 and 8%.
- the agitator 102 is turned on and stirred until about 80% of the paper is disintegrated. This disintegration is verified by the control methods usual in stationery. At this stage, there are still some very fine agglomerates called in paper jargon "buttons" or "pellets". the mixture thus obtained is then passed into a disintegration apparatus 105, called “de-tater” (for example, "Hydraflaker” brand de-spatter produced by BLACK CLAWSON), by recycling the juice via the pipework 105 to the tank 101 .
- de-tater for example, "Hydraflaker” brand de-spatter produced by BLACK CLAWSON
- the repulpability time in the tank 101 was 25 minutes, the break-up time 15 minutes, for a total of 40 minutes to make reusable the 500 kg of the fibrous material, directed to reuse by the pipe 104.
- Example 10 Recovery of used paper with a very high latex content
- composition of the starting paper is Composition of the starting paper:
- the procedure is as described in Example 2, but 0.15% bleach p / volume is introduced.
- the disintegration time was 40 minutes and the peeling time 15 minutes, ie 55 minutes for the 500 kg of material used.
- the raw material thus recovered is reused in a conventional printing-writing medium production at a rate of 10% of dry product relative to the total dry weight of the support manufactured.
- Table 1 summarizes the mechanical characteristics and Table II shows the characteristics of a paper in which a recycled pulp fiber material was used:
- the papers obtained according to the method according to the present invention not only have excellent physical strength, but their ability to print coated sheets is quite good, both in exposure and in ink, clarity and rendering. colors.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT82400654T ATE18685T1 (de) | 1981-05-12 | 1982-04-09 | Verfahren zur kontinuierlichen herstellung in waessriger umgebung von latex oder analoge zusammensetzungen und/oder phenoplaste oder aminoplaste enthaltenden faserbahnen, die so hergestellten bahnen und ihre moegliche wiederverwendung. |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8109400 | 1981-05-12 | ||
| FR8109400A FR2505896A1 (fr) | 1981-05-12 | 1981-05-12 | Nouveau procede de fabrication continue en milieu aqueux de feuilles de matieres fibreuses contenant du latex ou analogues et/ou des phenoplastes ou aminoplastes, et feuilles ainsi obtenues |
| FR8200224 | 1982-01-08 | ||
| FR8200224A FR2519663B2 (fr) | 1981-05-12 | 1982-01-08 | Perfectionnements apportes au procede de fabrication en milieu aqueux de feuilles en matieres fibreuses contenant du latex ou analogue et/ou des phenoplastes ou aminoplastes, nouvelles feuilles ainsi obtenues et leur eventuelle reutilisation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0067076A1 true EP0067076A1 (de) | 1982-12-15 |
| EP0067076B1 EP0067076B1 (de) | 1986-03-19 |
Family
ID=26222389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP82400654A Expired EP0067076B1 (de) | 1981-05-12 | 1982-04-09 | Verfahren zur kontinuierlichen Herstellung in wässriger Umgebung von Latex oder analoge Zusammensetzungen und/oder Phenoplaste oder Aminoplaste enthaltenden Faserbahnen, die so hergestellten Bahnen und ihre mögliche Wiederverwendung |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4445972A (de) |
| EP (1) | EP0067076B1 (de) |
| JP (1) | JPS57199896A (de) |
| BR (1) | BR8202072A (de) |
| CA (1) | CA1183660A (de) |
| DE (2) | DE3269930D1 (de) |
| ES (1) | ES8307955A1 (de) |
| FR (1) | FR2519663B2 (de) |
| MX (1) | MX160400A (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0109900A1 (de) * | 1982-11-17 | 1984-05-30 | Papeteries De Jeand'heurs | Verfahren zur Herstellung von Latexhaltenden Papieren und so erhaltene Papierbahnen |
| FR2647819A1 (fr) * | 1989-05-31 | 1990-12-07 | Dalle & Lecomte Papeteries | Procede de preparation de produits fibreux en forme de feuilles et a base de cellulose par voie papetiere et enrichis de resines elastomeres |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0643680B2 (ja) * | 1984-07-12 | 1994-06-08 | 敏 木村 | 単層繊維板の製造方法 |
| US4550131A (en) * | 1984-10-30 | 1985-10-29 | The Dow Chemical Company | Aqueous slurry process for preparing reinforced polymeric composites |
| JPH0429700U (de) * | 1990-07-02 | 1992-03-10 | ||
| US5895557A (en) * | 1996-10-03 | 1999-04-20 | Kimberly-Clark Worldwide, Inc. | Latex-saturated paper |
| EP0991816B1 (de) * | 1997-06-12 | 2002-02-13 | WKP Württembergische Kunststoffplatten-Werke GmbH & Co. KG | Verfahren zum herstellen von papier |
| US6572736B2 (en) | 2000-10-10 | 2003-06-03 | Atlas Roofing Corporation | Non-woven web made with untreated clarifier sludge |
| US20030121627A1 (en) * | 2001-12-03 | 2003-07-03 | Sheng-Hsin Hu | Tissue products having reduced lint and slough |
| US6752905B2 (en) * | 2002-10-08 | 2004-06-22 | Kimberly-Clark Worldwide, Inc. | Tissue products having reduced slough |
| CA2652063C (en) * | 2009-01-30 | 2016-03-08 | 3M Innovative Properties Company | Tape comprising recycled paper |
| EP2386614A1 (de) * | 2010-04-21 | 2011-11-16 | Neenah Gessner GmbH | Umweltfreundliches Klebebandpapier und daraus hergestelltes Klebeband |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2563897A (en) * | 1945-07-13 | 1951-08-14 | American Cyanamid Co | Sizing cellulosic fibers with cationic melamine resin and hydrophobic material |
| US2601597A (en) * | 1946-09-06 | 1952-06-24 | American Cyanamid Co | Application of dispersed coating materials to cellulosic fibers |
| US3502497A (en) * | 1964-08-26 | 1970-03-24 | Johnson & Johnson | Pressure-sensitive adhesive product |
| DE2013077A1 (en) * | 1970-03-19 | 1971-10-07 | Creped release paper | |
| US3619347A (en) * | 1969-03-13 | 1971-11-09 | Salvox Mfg Co | Recovery of wastepaper treated with urea or the like resins to impart wet strength |
| US3873411A (en) * | 1973-06-29 | 1975-03-25 | Johnson & Johnson | Methods of recovering reusable fibers |
| EP0006390A1 (de) * | 1978-06-20 | 1980-01-09 | Arjomari-Prioux S.A. | Verfahren zur Herstellung einer Faserbahn nach einer Papierherstellungsmethode im Hinblick auf eine Verbesserung der Bindung und der Retention, eine nach diesem Verfahren hergestellte Bahn und ihre Verwendung als Ersatzmaterial für Asbestprodukte und als Druck- oder Schreibunterlage |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5236138B2 (de) * | 1972-06-26 | 1977-09-13 | ||
| NL7707451A (nl) * | 1976-07-06 | 1978-01-10 | Rochette Cenpa | Gevormd vezelachtig materiaal in de vorm van een vel en de bereiding ervan. |
| FR2429293A1 (fr) * | 1978-06-20 | 1980-01-18 | Arjomari Prioux | Feuille minerale, son procede de preparation et son utilisation notamment dans le domaine des revetements et des supports d'impression-ecriture |
| FR2435554A1 (fr) * | 1978-09-08 | 1980-04-04 | Dalle & Lecomte Papeteries | Produit papetier a forte teneur en charge |
| US4274916A (en) * | 1979-10-01 | 1981-06-23 | Congoleum Corporation | Dimensionally stable backing materials for surface coverings and methods of making the same |
-
1982
- 1982-01-08 FR FR8200224A patent/FR2519663B2/fr not_active Expired
- 1982-02-16 US US06/349,366 patent/US4445972A/en not_active Expired - Lifetime
- 1982-03-26 ES ES510869A patent/ES8307955A1/es not_active Expired
- 1982-04-09 DE DE8282400654T patent/DE3269930D1/de not_active Expired
- 1982-04-09 EP EP82400654A patent/EP0067076B1/de not_active Expired
- 1982-04-09 DE DE198282400654T patent/DE67076T1/de active Pending
- 1982-04-12 BR BR8202072A patent/BR8202072A/pt not_active IP Right Cessation
- 1982-04-21 JP JP57067042A patent/JPS57199896A/ja active Pending
- 1982-05-06 CA CA000402414A patent/CA1183660A/en not_active Expired
- 1982-05-11 MX MX82192621A patent/MX160400A/es unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2563897A (en) * | 1945-07-13 | 1951-08-14 | American Cyanamid Co | Sizing cellulosic fibers with cationic melamine resin and hydrophobic material |
| US2601597A (en) * | 1946-09-06 | 1952-06-24 | American Cyanamid Co | Application of dispersed coating materials to cellulosic fibers |
| US3502497A (en) * | 1964-08-26 | 1970-03-24 | Johnson & Johnson | Pressure-sensitive adhesive product |
| US3619347A (en) * | 1969-03-13 | 1971-11-09 | Salvox Mfg Co | Recovery of wastepaper treated with urea or the like resins to impart wet strength |
| DE2013077A1 (en) * | 1970-03-19 | 1971-10-07 | Creped release paper | |
| US3873411A (en) * | 1973-06-29 | 1975-03-25 | Johnson & Johnson | Methods of recovering reusable fibers |
| EP0006390A1 (de) * | 1978-06-20 | 1980-01-09 | Arjomari-Prioux S.A. | Verfahren zur Herstellung einer Faserbahn nach einer Papierherstellungsmethode im Hinblick auf eine Verbesserung der Bindung und der Retention, eine nach diesem Verfahren hergestellte Bahn und ihre Verwendung als Ersatzmaterial für Asbestprodukte und als Druck- oder Schreibunterlage |
Non-Patent Citations (3)
| Title |
|---|
| ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, vol.51, no.3, septembre 1980, Appleton, Wisc. (US) * |
| TAPPI, vol.60, no.7, juillet 1977 * |
| TAPPI, vol.61, no.11, novembre 1978, Atlanta G.A., (US) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0109900A1 (de) * | 1982-11-17 | 1984-05-30 | Papeteries De Jeand'heurs | Verfahren zur Herstellung von Latexhaltenden Papieren und so erhaltene Papierbahnen |
| FR2647819A1 (fr) * | 1989-05-31 | 1990-12-07 | Dalle & Lecomte Papeteries | Procede de preparation de produits fibreux en forme de feuilles et a base de cellulose par voie papetiere et enrichis de resines elastomeres |
| EP0406039A1 (de) * | 1989-05-31 | 1991-01-02 | Papeteries Dalle Et Lecomte S.A. | Verfahren zur Herstellung von mit elastomerischen Harzen angereicherten Faserbahnen aus Zellstoff nach Papiermacherart |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3269930D1 (en) | 1986-04-24 |
| CA1183660A (en) | 1985-03-12 |
| ES510869A0 (es) | 1983-07-01 |
| BR8202072A (pt) | 1983-03-22 |
| US4445972A (en) | 1984-05-01 |
| JPS57199896A (en) | 1982-12-07 |
| FR2519663B2 (fr) | 1985-08-16 |
| FR2519663A2 (fr) | 1983-07-18 |
| MX160400A (es) | 1990-02-16 |
| ES8307955A1 (es) | 1983-07-01 |
| EP0067076B1 (de) | 1986-03-19 |
| DE67076T1 (de) | 1983-05-11 |
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