CN1391625A - Liquid packaging paper - Google Patents
Liquid packaging paper Download PDFInfo
- Publication number
- CN1391625A CN1391625A CN 99817069 CN99817069A CN1391625A CN 1391625 A CN1391625 A CN 1391625A CN 99817069 CN99817069 CN 99817069 CN 99817069 A CN99817069 A CN 99817069A CN 1391625 A CN1391625 A CN 1391625A
- Authority
- CN
- China
- Prior art keywords
- calcium carbonate
- cardboard
- paper
- packaging paper
- liquid packaging
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 45
- 238000004806 packaging method and process Methods 0.000 title claims description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 68
- 239000000945 filler Substances 0.000 claims abstract description 54
- 238000004513 sizing Methods 0.000 claims abstract description 35
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 33
- -1 alkyl ketene dimers Chemical class 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000011087 paperboard Substances 0.000 claims abstract description 11
- 239000011111 cardboard Substances 0.000 claims description 78
- 239000000123 paper Substances 0.000 claims description 58
- 238000009955 starching Methods 0.000 claims description 45
- YAXXOCZAXKLLCV-UHFFFAOYSA-N 3-dodecyloxolane-2,5-dione Chemical class CCCCCCCCCCCCC1CC(=O)OC1=O YAXXOCZAXKLLCV-UHFFFAOYSA-N 0.000 claims description 20
- 229920001577 copolymer Polymers 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 238000001556 precipitation Methods 0.000 claims description 13
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 238000001764 infiltration Methods 0.000 claims description 9
- 230000008595 infiltration Effects 0.000 claims description 9
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 150000001768 cations Chemical class 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- BLCTWBJQROOONQ-UHFFFAOYSA-N ethenyl prop-2-enoate Chemical class C=COC(=O)C=C BLCTWBJQROOONQ-UHFFFAOYSA-N 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- 229920000962 poly(amidoamine) Polymers 0.000 claims description 3
- 239000007844 bleaching agent Substances 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 2
- 239000000178 monomer Substances 0.000 claims 2
- 239000000344 soap Substances 0.000 claims 2
- 238000009994 optical bleaching Methods 0.000 claims 1
- 230000035515 penetration Effects 0.000 abstract description 2
- 238000010348 incorporation Methods 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 230000009257 reactivity Effects 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 201000003352 adrenal gland pheochromocytoma Diseases 0.000 description 48
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 16
- 229910021532 Calcite Inorganic materials 0.000 description 8
- 229920002472 Starch Polymers 0.000 description 8
- 239000011436 cob Substances 0.000 description 8
- 239000004310 lactic acid Substances 0.000 description 8
- 235000014655 lactic acid Nutrition 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000008107 starch Substances 0.000 description 8
- 235000019698 starch Nutrition 0.000 description 8
- 229920001131 Pulp (paper) Polymers 0.000 description 7
- 239000005022 packaging material Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 235000013365 dairy product Nutrition 0.000 description 6
- 239000011121 hardwood Substances 0.000 description 6
- 238000004381 surface treatment Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 235000012171 hot beverage Nutrition 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 230000000452 restraining effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 125000000129 anionic group Chemical group 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 235000020965 cold beverage Nutrition 0.000 description 3
- 239000007799 cork Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 235000015203 fruit juice Nutrition 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 229920001592 potato starch Polymers 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000011122 softwood Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000001461 cytolytic effect Effects 0.000 description 2
- WASQWSOJHCZDFK-UHFFFAOYSA-N diketene Chemical compound C=C1CC(=O)O1 WASQWSOJHCZDFK-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 241000283984 Rodentia Species 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 238000009455 aseptic packaging Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000012174 carbonated soft drink Nutrition 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 229940089401 xylon Drugs 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/14—Carboxylic acids; Derivatives thereof
- D21H17/15—Polycarboxylic acids, e.g. maleic acid
- D21H17/16—Addition products thereof with hydrocarbons
-
- 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
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/17—Ketenes, e.g. ketene dimers
-
- 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
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/22—Polyalkenes, e.g. polystyrene
Landscapes
- Paper (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Wrappers (AREA)
Abstract
An improved liquid paperboard product with reduced edgewick sizing properties is produced through the incorporation of a calcium carbonate filler in amounts of up to 10.0 weight percent. The filler enhances the retention and reactivity of a sizing agent such as alkyl ketene dimers which in combination further inhibits liquid penetration into liquid paperboard substrates.
Description
Technical field
The present invention relates generally to paper products, especially for the paper container of packing liquid and solution.More specifically say, the present invention relates to be used to produce these liquid containers improvement the flexible package punch cardboard with and manufacture method.
Background technology
Edge capillary starching (edgewick sizing) is to stop the liquid infiltration in the flexible package punch cardboard.This edge that expose on the edge in cardboard packaging stops the liquid infiltration, helps to keep intensity and the hardness of container in its operating period.This not filled cardboard is made in the past, because think filler to paper board strength, particularly starching character has negative effect.
Packaging material are apparent strengthening, design with the art work that attracts the consumer alert, and in the attractive concept development, a large amount of time and the expenses of annual cost.This design not only comprises packaging size and shape, and comprises color and the correct combination of figure, with the success or the failure of decision packaging product sale.
The fluent material such as dairy products, fruit juice and other beverage that are packaged in the paper tank must overcome in some factors of producing and storing.The cardboard that comprises package such as these liquid and oil, fat and other solution porous, the result has polluted the surface of package that exposes and has destroyed figure, color and design attractive in appearance of the outer surface that is used to attract the consumer, and has destroyed the globality of the structure of container.Obviously, this is undesirable situation.
The focus in past is to overcome the infiltration to packaging material of liquid, grease and beverage, and the direction of work is to stop liquid to penetrate in the material.The packaging material of laminated foil are a kind of methods, but cost is quite expensive.Other prevent grease be penetrated into the already used method of packaging material be polyolefin coating, fluororine-carbon coating, saturated with paraffin or microwax, with one or both sides of polymer reinforced wax coating material or the like.But these methods have confirmed to be expensive and to be difficult to successfully.
The container of backaging liquid materials, particularly dairy products such as milk and dairy produce is to be made by the cardboard of coating.Coating can be the side at cardboard, but generally is both sides, generally is to be coated with polyethylene, can certainly use other water-repellent substance.
Effectively work in such container, cardboard must have the effect that stops liquid.For dairy products, the wherein rodent infiltration composition of tool generally is a lactic acid.The part of the most fragile of cardboard usually is its edge that has cut.Therefore, the manufacturer of cardboard after deliberation cardboard stop the edge to be contained improving one's methods of lactic acid liquid infiltration.As everyone knows, the cardboard with ketene dimer (KD) starching can stop the liquid that contains lactic acid to edge penetration.
In many cases, do not wish to use metallized ground, particularly on packaged surface, need outside colored and/or printing, and the integral body of structure is under the important situation as packaging material.It also often is unpractical and expensive utilizing prevention liquid, oil and/or fat to absorb.In this case, just need provide the packaging material of easy printing at least, this packaging material (outward appearance that can shelter ugly oil-containing filth avoids buyer to see) can stop liquid to penetrate into the generation of cardboard.
The edge capillary starching character of cardboard still has very big room for improvement.Past, in order to keep good edge capillary starching, beverage (being milk) particularly about containing lactic acid, with senior alkyl ketene dimer (a kind of cellulose reactive sizing agent), be detained auxiliary agent and thermosetting resin (as Kymene Hercules, Inc.Wilmington, Delaware) be used to promote hard starching, because the cardboard edge is the most responsive to liquid infiltration and degraded along the cardboard edge.It is filled and make that great majority are used to make the cardboard needs of liquid container, because this can have a negative impact to intensity and starching character of cardboard.
An object of the present invention is to improve the character of the edge capillary starching of the cardboard that is used for liquid container manufacturing and construction through the adding filler.A further object of the invention is to make the cardboard that is used for liquid container and packing, and filler accounts for 10% (the comprising or do not comprise the delay auxiliary agent) at the most of cardboard in these cardboards.
Summary of the invention
The present invention includes and be used for building and making liquid container, aseptic packaging and dairy products, fruit juice, carbonic acid and non-carbonated soft drink, hot beverage and other flexible package punch board product and production method thereof.Can increase the anelasticity and the activity of sizing agent such as alkyl ketene dimer (AKD) or alkenyl succinic anhydrides (ASA) (these materials can stop the liquid infiltration) through adding pearl filler, thereby improve the edge capillary sizing performance of cardboard.
Detailed description of the invention
Work as mineral particle, when being used as manufacturing and producing the filler of liquid cardboard as calcium carbonate, the inside adhesive aggregation character of paper is weakened, because mineral particle is than only with xylon bigger surface being arranged.The expection of mineral particle filler can be disturbed the fibre/fibre key, obtains more weak inferior product.Good in the edge capillary starching character as dairy products and fruit juice constituents lactic acid and citric acid in order to keep, the alkyl ketene dimer (AKD), cationic thermosetting resin and the delay auxiliary agent that use a large amount of cellulolytic activity sizing agents are to promote " firmly " starching along the cardboard edge.Other sizing agent such as alkenyl succinic anhydrides (ASA) are tested, but can not stop the infiltration of lactic acid.
The present invention is preferably the calcium carbonate of grinding or the calcium carbonate of precipitation (PCC) by adding pearl filler, and addition has been improved the edge capillary starching character of flexible package punch cardboard up to 10% of cardboard.Pearl filler increased sizing agent efficient and, in the presence of pearl filler, can in these board products, use alkyl ketene dimer (AKD) or alkenyl succinic anhydrides (ASA), be preferably AKD, so that remarkable starching character to be provided.
Unexpectedly find, when calcium carbonate is used for the cardboard of flexible package punch as filler, at calcium carbonate be selected between alkyl ketene dimer, alkenyl succinic anhydrides, CATION polyamidoamines amine, maleic anhydride of styrene and their the mixture sizing agent and produce synergy mutually, thereby, further strengthened edge capillary sizing performance.This sizing agent provides bigger wet strength, durability for liquid packaging paper, and as the test method T456 according to paper pulp and paper industrial technology federation (TAPPI), OM-87 measures.When using odium stearate, acrylic acid series copolymer or C
12-C
20When the calcium carbonate of the salt pair precipitation of aliphatic acid carried out surface treatment earlier, then the edge capillary sizing performance of cardboard also can further strengthen.Preferred acrylic acid series copolymer comprises the acrylonitrile copolymer of being made up of butyl acrylate, butyl methacrylate, 2-EHA, methyl methacrylate, styrene, acrylic acid vinyl esters, vinyl chloride and their mixture.
Calcium carbonate joins in the liquid packaging paper as filler, and the anelasticity of having improved the alkyl ketene dimer starching reaches 28%, and the activity that improves dimer reaches 25%.This provides two advantages, because improved the edge capillary starching character of cardboard like this, simultaneously, the adding of calcium carbonate causes the volume of cardboard to increase, and has stablized the alkalescence of system, has reduced or eliminated fully the needs of other adding sodium bicarbonate subsequently.And this has reduced the needs that add expensive thermosetting resin in paper stock.
Pearl filler also cause the increase of cardboard brightness, smoothness and make polyethylene and the covering of wax coating better.Because calcium carbonate has been stablized the alkalescence of cardboard system and improved system's anelasticity of alkyl ketene dimer, thereby cardboard has deflection and the rigidity that has strengthened.
Contain the manufacturing of the manufacturing of liquid cardboard of pearl filler and production and common cardboard and produce closely similar.With wood pulp smash, refining and dilution obtains fiber pulp or feed.Calcium carbonate is joined in the feed separately or with other starch, resin and sizing agent together.The calcium carbonate (PCC) of calcium carbonate (GCC) that grinds and precipitation can be used as filler of the present invention, and the calcium carbonate of precipitation can obtain remarkable paper product.The size, particle surface of control particle is long-pending etc. can make manufacturer regulate calcium carbonate to adapt to special-purpose board product.
On paper machine, form cardboard sheet then, thereby hydraulic pressure is gone out, product is made the paper drying through a series of heating drums.Then paper is rolled under high speed, to be compacted into desirable smoothness.The cardboard of liquid generally is coated in both sides with polyethylene film with known film technique.The thickness of film depends on the liquid that will comprise.Governing factor comprises acidity and basicity, storage temperature, be exposed under the sunlight or the like.
The amount that joins in the liquid cardboard of calcium carbonate is about 0.5-10.0% of cardboard gross weight.Be preferably about 3.0-10% weight, most preferably be about 4.0-6.0% weight.Other composition comprises that wet strength agent such as polyamines epichlorohydrin resins lump together further paper pulp fiber is picked up, to increase the intensity and the fastness of paper.Natural rosin also can provide identical adhesive function.Being detained auxiliary agent such as anionic polyacrylamide also can be bonding and each composition of systems stabilisation.
The following non-limiting example that provides is more ad hoc to discuss and to propose specific embodiments of the invention.But they in addition, should think that can carry out a spot of variation and change to procedure parameter and the composition that does not comprise here, still, the degree of this change and variation is change or influence process or last product in fact just for illustrative purposes.Should be appreciated that these variations still belong in the of the present invention spiritual essence and scope that is determined by the following examples.
Embodiment 1
The flexible package punch cardboard that PCC fills is to improve edge capillary sizing performance
The PCC filler is used for the flexible package punch cardboard to measure the influence of the thin sizing performance of its opposite side echinid.Prince Albert in order to 75% hardwood/25% cork compound bleaches northern kraft pulp manufacturing cardboard handmade paper.It respectively is 400 and 500 Canadian Standard Freenesses that hardwood and softwood pulp are refined to terminal point respectively with 1.6% denseness.Refining paper pulp is diluted to 1.0% denseness to be used for papermaking.The weight of the target scraps of paper is limited to every square metre 225 gram.It is constant that the concentration of alkyl ketene dimer (AKD) sizing material (Heron 75, Hercules Inc.) keeps, and join in the feed with the amount of 0.125% (2.5 pounds per ton) of dried scraps of paper weight.CATION potato starch (Sta-Lok400 ; A.E.Staley Mfg.Co.) 0%, 0.5% and 1.0% (0,10 and 20 pound per ton) with dried scraps of paper weight joins in the feed.Thermosetting resin, polyamide-amide chloropropylene oxide (PAE) (Kymene 557H, Hercules Inc.) joins in the feed with 0%, 0.25 and 0.5% (0,5 and 10 pound per ton) of dried scraps of paper weight.The amount that ALBACAR LO PCC is adjusted to almost near 0%, 3% and 6% joins in the feed.Anionic polyacrylamide is detained auxiliary agent (Accurac 171; Cytec Industries) it is constant that amount keeps, and join in the feed with 0.00875% (0.175 pound per ton) of dried scraps of paper weight.Form machine (Noble﹠amp at handmade paper at the Formax scraps of paper; Wood) behind last the formation, the pressure with 20 pounds/square inch between stainless steel drum carries out twice extruding.In extruding for the first time, the scraps of paper still are clipped on the forming web between paper machine " wet felt " material piece.Then the scraps of paper are taken off from being clipped in two forming webs between the unsized blotting paper, and then extruding.Handmade paper is regulated and tested under the TAPPI standard conditions of 23 ℃ and 50% relative humidity.With scraps of paper lamination, cutting size and be immersed in 1% the lactic acid solution 4 hours for carrying out edge capillary sizing performance test.Edge capillary sizing performance result of the test is shown in Table 1.
Table 1
The influence of the thin sizing performance of PCC filler opposite side echinid
| Internal starch (%) | ???PAE ???(％) | PCC filler (%) | Edge capillary sizing performance (restraining/100 inches) |
| ????0 | ????0 | ????0.0 | ????5.90 |
| ????0 | ????0 | ????2.8 | ????1.01 |
| ????0 | ????0 | ????6.0 | ????1.82 |
| ????0.5 | ????0 | ????0.0 | ????3.46 |
| ????0.5 | ????0 | ????2.9 | ????0.76 |
| ????0.5 | ????0 | ????6.0 | ????0.80 |
| ????0 | ????0.25 | ????0.0 | ????0.79 |
| ????0 | ????0.25 | ????2.9 | ????0.63 |
| ????0 | ????0.25 | ????5.7 | ????0.66 |
| ????0.5 | ????0.25 | ????0.0 | ????0.75 |
| ????0.5 | ????0.25 | ????2.9 | ????0.62 |
| ????0.5 | ????0.25 | ????6.0 | ????0.63 |
| ????1.0 | ????0.5 | ????0.0 | ????0.72 |
| ????1.0 | ????0.5 | ????2.7 | ????0.69 |
| ????1.0 | ????0.5 | ????5.8 | ????0.62 |
The inspection data show that the PCC filler has improved the edge capillary sizing performance of flexible package punch cardboard under the used wet terminal condition of all evaluations.First group of data show, the numerical value of edge capillary starching that does not add the cardboard of starch, PAE and PCC filler is/100 inches edges that expose of 5.90 grams.To can improve this numerical value widely in the PCC filler adding cardboard.After further checking data, no matter join at the PCC filler is to be added with in the cardboard that starch, PAE or both be added with edge capillary starching value all lower (better).
Embodiment 2
The flexible package punch cardboard of dosing PCC is to improve the hot and cold beverage packaging
The PCC filler is used for the flexible package punch cardboard to measure its influence to the hot and cold beverage packaging.Bleach northern kraft pulp with the Prince Albert that contains 75% hardwood/25% cork compound and make handmade paper.It respectively is 400 and 500 Canadian Standard Freenesses that hardwood and softwood pulp are refined to terminal point respectively with 1.6% denseness.Paper pulp was with 75: 25 mixed.Refining paper pulp is diluted to 1.0% denseness to be used for papermaking.The weight of the target scraps of paper is every square metre 225 gram.It is constant that the concentration of AKD sizing material (Hercon 75, Hercules Inc.) keeps, and the amount of 0%, 0.5 and 1.0% (0,10 and 20 pound per ton) of dried scraps of paper weight of thinking joins in the feed.PAE (Kymene 557H, Hercules Inc.) joins in the feed with 0.125% (2.5 pounds per ton) in scraps of paper weight.CATION potato starch (Sta-Lok 400, A.E.Staley Mfg.Co.) joins in the feed with 0%, 0.25% and 0.5% (0,5 and 10 pound per ton) of dried scraps of paper weight.The amount that ALBACAR LO PCC is adjusted to almost near 0%, 3% and 6% joins in the feed.Anionic polyacrylamide is detained auxiliary agent (Accurac 171; Cytec Industries) it is constant that amount keeps, and join in the feed with 0.00875% (0.175 pound per ton) of dried scraps of paper weight.Form machine (Noble﹠amp at handmade paper at the Formax scraps of paper; Wood) behind last the formation, the pressure with 20 pounds/square inch between stainless steel drum carries out twice extruding.In extruding for the first time, the scraps of paper still are clipped on the forming web between paper machine " wet felt " material piece.Then the scraps of paper are taken off from being clipped in two forming webs between the unsized blotting paper, and then extruding.Handmade paper is regulated and tested under the TAPPI standard conditions of 23 ℃ and 50% relative humidity.
(each TAPPI test method T441-OM90 carried out 3 minutes with Hot Coffee (84 ℃, every raising speed dissolved coffee 8.4 grams) and cold coffee (23 ℃, every raising speed dissolved coffee 8.4 restrains) scraps of paper to be carried out the test of Cobb starching.The Cobb result of the test is shown in Table 2.
Table 2
The PCC filler is to the influence of Cobb starching
| Internal starch (%) | ????PAE ????(％) | ????PCC ????(％) | Hot liquid Cobb starching (gram/square metre) | Cold liquid Cobb starching (gram/square metre) |
| ????0 | ????0 | ????0.0 | ????320 | ????279 |
| ????0 | ????0 | ????2.8 | ????241 | ????64 |
| ????0 | ????0 | ????6.0 | ????240 | ????75 |
| ????0.5 | ????0 | ????0.0 | ????296 | ????50 |
| ????0.5 | ????0 | ????2.9 | ????103 | ????44 |
| ????0.5 | ????0 | ????6.0 | ????88 | ????47 |
| ????0 | ????0.25 | ????0.0 | ????63 | ????45 |
| ????0 | ????0.25 | ????2.9 | ????49 | ????43 |
| ????0 | ????0.25 | ????5.7 | ????50 | ????42 |
| ????0.5 | ????0.25 | ????0.0 | ????60 | ????43 |
| ????0.5 | ????0.25 | ????2.9 | ????49 | ????42 |
| ????0.5 | ????0.25 | ????6.0 | ????49 | ????39 |
| ????1.0 | ????0.5 | ????0.0 | ????59 | ????41 |
| ????1.0 | ????0.5 | ????2.7 | ????48 | ????44 |
| ????1.0 | ????0.5 | ????5.8 | ????51 | ????45 |
Know that from this work as being measured by hot and cold Cobb starching test, the PCC filler has improved the ability of flexible package punch carton package hot and cold beverage widely.First group of data show, do not have the hot liquid of cardboard of starch, PAE and PCC and cold liquid Cobb starching value be respectively 320 and 279 grams/square metre.The cardboard that has added the PCC filler has improved this starching value greatly.After further checking data, join cardboard and no matter whether starch, PAE exist, always Cobb starching value lower (better) in cardboard at PCC.
Embodiment 3
The flexible package punch cardboard of dosing calcium carbonate is to improve edge capillary sizing performance
Calcium carbonate (GCC) that use is ground in the flexible package punch cardboard and PCC filler are to measure the influence of the thin sizing performance of opposite side echinid.This paperboard grade (stock) intermediate experiment paper machine is made.The filler of estimating accounts in the flexible package punch cardboard and is up to 10%.The fiber feed is made up of the brown paper cork of the bleaching of the brown paper hardwood of 80% bleaching and 20%.Target paperboard weight is every square metre 225 gram.With amount per ton 10 pounds with CATION potato starch (Sta-Lok 400; A.E.StaleyMfg.Co.) join in the feed.AKD starching (Hercon 79, Hercules Inc.) with 0.2%, PAE (Kymene 557H; Hercules Inc.) joins in rare raw material with 10 pounds per ton.The pearl filler addition should make and reach 3%, 6% and 9% level as far as possible.The cardboard of filling is regulated and is tested under the TAPPI condition of 23 ℃ and 50% relative humidity.With scraps of paper lamination, cutting size and be immersed in 1% the lactic acid solution 4 hours edge capillary absorption test the results are shown in the table 3 for edge capillary absorption test.
Table 3
The influence of the thin sizing performance of pearl filler opposite side echinid
| The filler type | Amount of filler (%) | Edge capillary starching (restraining/100 inches) |
| Unloaded cardboard | ????0.0 | ????0.53 |
| The PCC-calcite | ????3.7 | ????0.49 |
| The PCC-calcite | ????6.9 | ????0.44 |
| The PCC-calcite | ????9.6 | ????0.39 |
| The PCC-aragonite | ????3.2 | ????0.54 |
| The PCC-aragonite | ????6.2 | ????0.46 |
| The PCC-aragonite | ????9.6 | ????0.46 |
| The GCC-calcite | ????3.1 | ????0.48 |
| The GCC-calcite | ????7.1 | ????0.38 |
| The GCC-calcite | ????10.4 | ????0.51 |
Data checks shows that the different mineral forms of pearl filler will be improved the edge capillary sizing performance of flexible package punch cardboard.The edge capillary starching value of exposing the edge without any the flexible package punch cardboard of filler is/100 inches (g/100in.) of 0.53 gram.When with calcite PCC filler when being added in the cardboard up to 9.6% amount, edge capillary absorption value is reduced to/100 inches of 0.39 grams.Calcium carbonate (GCC) filler that calcite grinds is during with amount of filler 7.1%, and edge capillary absorption value is reduced to/100 inches of 0.38 grams.And add with 10.4% amount, then capillary absorption value in edge is elevated to/100 inches of 0.51 grams again, still, still is lower than the value of unloaded cardboard starching.
Embodiment 4
In the flexible package punch cardboard of AKD or ASA starching, use PCC and surface-treated PCC
Filler is to improve edge capillary sizing performance
Made the cardboard handmade paper with Noble and Wood type scraps of paper make-up machine according to the method for embodiment 1.Hardwood and soft wood pulp were with 50: 50 mixed.The weight of target paperboard is every square metre 225 gram.Add starch with 0.5% amount, cellulolytic activity sizing agent (AKD or ASA) adds (AKD) or adds (ASA) with 0.1% amount with 0.15% amount.In cardboard, add the PCC filler to reach 3%, 6% and 9% level.The PCC filler also can be through surface treatment with further improvement edge capillary sizing performance.For example, carry out the surface treatment of PCC filler with 0.5% acrylic acid series copolymer.The capillary starchings test of these edges the results are shown in table 4.
Table 4
Use of the edge capillary starching of PCC filler to the flexible package punch cardboard of AKD or ASA starching
Effect on Performance
| The filler type | Filler is handled | Amount of filler (%) | Sizing agent | The edge capillary absorbs (restraining/100 inches) |
| Do not have | ?-- | 0.0 | ?AKD | ?1.62 |
| ?PCC | Do not have | 4.8 | ?AKD | ?0.92 |
| ?PCC | Do not have | 9.3 | ?AKD | ?1.10 |
| ?PCC | 0.5% acrylic acid series copolymer | 5.0 | ?AKD | ?0.90 |
| ?PCC | 0.5% acrylic acid series copolymer | 9.1 | ?AKD | ?0.83 |
| Do not have | ?-- | 0.0 | ?ASA | ?2.40 |
| ?PCC | Do not have | 5.4 | ?ASA | ?1.41 |
| ?PCC | Do not have | 10.7 | ?ASA | ?1.90 |
| ?PCC | 0.5% acrylic acid series copolymer | 5.2 | ?ASA | ?1.20 |
| ?PCC | 0.5% acrylic acid series copolymer | 9.3 | ?ASA | ?1.18 |
Data checks shows that the PCC filler can improve the performance of flexible package punch cardboard edge capillary starching, these paperboard grade (stock)s AKD as inner sizing agent or with not too general ASA as inner sizing agent.Check that data also show, the PCC filler is carried out the performance that surface treatment can further strengthen edge capillary starching with acrylic acid series copolymer.For the cardboard of the AKD starching that does not contain filler, the edge capillary starching value at the edge that exposes reaches/100 inches (restraining/100 inches) of 1.62 grams.Behind 4.8% and 9.3% adding PCC filler, edge capillary starching value reaches/100 inches of 0.92 grams and 1.10 respectively and restrains/100 inches.When the acrylic acid series copolymer (dry weight) with 0.5% carries out surface treatment to the PCC filler, when joining in the cardboard with 5.0% and 9.1% amount then, then starching value further is reduced to/100 inches of 0.90 grams and 0.83 respectively and restrains/100 inches.
For using not filled cardboard with the ASA starching, the edge capillary starching value of exposing the edge is/100 inches of 2.40 grams.Amount with 5.4% and 10.7% adds the PCC filler, and edge capillary starching value is improved to/100 inches of 1.41 and 1.90 grams respectively.When with 0.5% acrylic acid series copolymer (dry weight) the PCC filler being carried out surface treatment, when joining in the cardboard with 5.2 and 9.3% amount then, the starching value is reduced to/100 inches of 1.20 grams and 1.18 respectively and restrains/100 inches.
Claims (16)
1. liquid packaging paper that comprises calcium carbonate, the said calcium carbonate that wherein uses effective dose is to improve edge capillary starching character and to reduce the infiltration of liquid.
2. the liquid packaging paper of claim 1, wherein cardboard also comprises the sizing agent that is selected from alkyl ketene dimer, alkenyl succinic anhydrides, CATION polyamidoamines amine, maleic anhydride of styrene and their mixture.
3. the liquid packaging paper of claim 1, wherein said calcium carbonate is selected from the calcium carbonate of grinding calcium carbonate and precipitation.
4. the liquid packaging paper of claim 3, wherein said calcium carbonate are the calcium carbonate of precipitation.
5. the liquid packaging paper of claim 4, wherein the calcium carbonate of said precipitation is with being selected from odium stearate, acrylic acid series copolymer, C
12-C
20The surface coating of soap and their mixture is coated with.
6. the liquid packaging paper of claim 5, wherein said acrylic acid series copolymer comprises one or more monomers: be selected from butyl acrylate, butyl methacrylate, 2-EHA, acrylic acid 2-hydroxy methacrylate, methyl methacrylate, styrene, acrylic acid vinyl esters, vinyl chloride and their mixture.
7. the liquid packaging paper of claim 4, wherein the calcium carbonate of said precipitation joins in the said cardboard with 0.5% weight-10.0% weight that is about the container paper board gross weight.
8. the liquid packaging paper of claim 7, wherein the calcium carbonate of said precipitation joins in the said cardboard with 3.0% weight-10.0% weight that is about the container paper board gross weight.
9. the liquid packaging paper of claim 8 also comprises and is applied to its surperficial polyethylene film.
10. the liquid packaging paper of claim 9 also comprises wet strength agent, is detained auxiliary agent and Optical Bleaching Agent.
11. a method that reduces or eliminate edge capillary starching in the flexible package punch cardboard comprises the calcium carbonate of adding as the precipitation of the effective dose of filler.
12. the method for claim 11, wherein said cardboard also comprise the sizing agent that is selected from alkyl ketene dimer, alkenyl succinic anhydrides, CATION polyamidoamines amine, maleic anhydride of styrene, CATION starching resin and their mixture.
13. the method for claim 11, wherein the calcium carbonate of said precipitation is earlier with comprising odium stearate, acrylic acid series copolymer, C
12-C
20Soap and their mixture carry out the surface coated preliminary treatment.
14. the method for claim 13, wherein said acrylic acid series copolymer comprises one or more monomers, is selected from butyl acrylate, butyl methacrylate, 2-EHA, acrylic acid 2-hydroxy methacrylate, methyl methacrylate, styrene, acrylic acid vinyl esters, vinyl chloride and their mixture.
15. the method for claim 11, wherein the calcium carbonate of said precipitation joins in the said flexible package punch cardboard with the amount that accounts for about 10.0% weight of the about 0.5%-of paperboard stock gross weight.
16. the method for claim 15, wherein the calcium carbonate of said precipitation joins in the said flexible package punch cardboard with the amount that accounts for about 10.0% weight of the about 3.0%-of paperboard stock gross weight.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1999/031136 WO2001049938A1 (en) | 1999-12-29 | 1999-12-29 | Liquid packaging paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1391625A true CN1391625A (en) | 2003-01-15 |
| CN1255605C CN1255605C (en) | 2006-05-10 |
Family
ID=22274412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99817069 Expired - Fee Related CN1255605C (en) | 1999-12-29 | 1999-12-29 | Liquid packaging paper |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP1246969A1 (en) |
| JP (1) | JP2003519301A (en) |
| CN (1) | CN1255605C (en) |
| AU (1) | AU2220100A (en) |
| BR (1) | BR9917599A (en) |
| CA (1) | CA2394735A1 (en) |
| HK (1) | HK1051562A1 (en) |
| WO (1) | WO2001049938A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148847B (en) * | 2006-09-19 | 2012-06-27 | 珠海经济特区红塔仁恒纸业有限公司 | Liquid and food packing paper and method for producing the same |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10237913A1 (en) * | 2002-08-14 | 2004-02-26 | Basf Ag | Production of cardboard for packaging liquids by treating pulp with a sizing agent and a retention aid comprises adding a cationic polymer to the pulp |
| CA2525626A1 (en) * | 2003-05-16 | 2004-11-25 | Basf Aktiengesellschaft | Packaging material consisting of an at least double-layered composite material for producing containers for packing liquids |
| JP4456109B2 (en) | 2003-07-01 | 2010-04-28 | ストラ エンソ オーワイジェー | Heat-treated packaging molded from fiber-based packaging materials |
| JP2005256234A (en) * | 2004-03-12 | 2005-09-22 | Hokuetsu Paper Mills Ltd | Base paper for liquid container |
| RU2409721C2 (en) * | 2005-02-11 | 2011-01-20 | Интернэшнл Пэйпа Кампани | Ground papers used to manufacture tapes to cover joints between facing sheets |
| FI120509B (en) | 2008-04-09 | 2009-11-13 | Stora Enso Oyj | Liquid packaging board that can withstand solvents, its preparation process and use, and a beverage cup made therefrom |
| SE534561C2 (en) * | 2009-04-03 | 2011-10-04 | Korsnaes Ab | Pigment coated cardboard for packaging, packaging comprising pigment coated cardboard, use of such cardboard, and a process in a process for making cardboard |
| WO2015167440A1 (en) | 2014-04-28 | 2015-11-05 | Hewlett-Packard Development Company, L.P. | Lightweight digital printing medium |
| PL3253919T3 (en) * | 2015-02-04 | 2021-11-02 | Autom River Inc. | Moisture resistant biodegradable composition |
| EP3710634B1 (en) | 2017-11-13 | 2023-05-03 | Sun Chemical Corporation | Water-based coatings for cellulosic substrates |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE465833B (en) * | 1987-01-09 | 1991-11-04 | Eka Nobel Ab | Aqueous DISPERSION CONTAINING A MIXTURE OF HYDROPHOBOBING COLOPHONIUM MATERIAL AND SYNTHETIC HYDROPHOBACY AGENT, PREPARING PREPARATION OF THE DISPERSION AND USING THE DISPERSION OF PREPARING PRODUCTS |
| BE1003749A3 (en) * | 1989-07-07 | 1992-06-02 | Acec Union Miniere | Method for bonding paper. |
| GB9215422D0 (en) * | 1992-07-21 | 1992-09-02 | Hercules Inc | System for sizing paper and cardboard |
| US5766732A (en) * | 1996-06-05 | 1998-06-16 | Westvaco Corporation | Moisture resistant frozen food packaging using an over-print varnish |
-
1999
- 1999-12-29 JP JP2001550459A patent/JP2003519301A/en active Pending
- 1999-12-29 CA CA002394735A patent/CA2394735A1/en not_active Abandoned
- 1999-12-29 EP EP99966707A patent/EP1246969A1/en not_active Withdrawn
- 1999-12-29 CN CN 99817069 patent/CN1255605C/en not_active Expired - Fee Related
- 1999-12-29 WO PCT/US1999/031136 patent/WO2001049938A1/en active Application Filing
- 1999-12-29 BR BR9917599-1A patent/BR9917599A/en not_active Application Discontinuation
- 1999-12-29 AU AU22201/00A patent/AU2220100A/en not_active Abandoned
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2003
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148847B (en) * | 2006-09-19 | 2012-06-27 | 珠海经济特区红塔仁恒纸业有限公司 | Liquid and food packing paper and method for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| BR9917599A (en) | 2002-12-03 |
| EP1246969A1 (en) | 2002-10-09 |
| CA2394735A1 (en) | 2001-07-12 |
| AU2220100A (en) | 2001-07-16 |
| JP2003519301A (en) | 2003-06-17 |
| WO2001049938A1 (en) | 2001-07-12 |
| HK1051562A1 (en) | 2003-08-08 |
| CN1255605C (en) | 2006-05-10 |
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