Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filedlitigationCriticalhttps://patents.darts-ip.com/?family=21741267&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT1272708(E)"Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hercules IncfiledCriticalHercules Inc
Publication of PT1272708EpublicationCriticalpatent/PT1272708E/en
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
D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
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
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
D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
D21H17/23—Lignins
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
D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
D21H17/24—Polysaccharides
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
D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
D21H17/24—Polysaccharides
D21H17/28—Starch
D21H17/29—Starch cationic
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
D21H17/66—Salts, e.g. alums
Landscapes
Chemical & Material Sciences
(AREA)
Inorganic Chemistry
(AREA)
Paper
(AREA)
Adhesives Or Adhesive Processes
(AREA)
Compositions Of Macromolecular Compounds
(AREA)
Abstract
Paper sizing composition comprising (a) cellulose-reactive size, (b) dispersant system comprising primary anionic dispersant, and secondary dispersant selected from cationic and/or non-ionic dispersant, and (c) inorganic salt.
Claims (15)
REIVINDICAÇÕES 1. Composição aquosa, caracterizada pelo facto de compreender: uma cola reactiva com a celulose; um sistema dispersante, que compreende lignossulfonato que comporta menos do que 5,9 % em peso do enxofre de sulfonato, com base no peso total do lignossulfonato de sódio e pelo menos uma dispersão catiónica e uma dispersão não iónica; e pelo menos um sal contendo, pelo menos, um elemento metálico.Aqueous composition, characterized in that it comprises: a cellulose reactive glue; a dispersing system comprising lignosulfonate containing less than 5.9% by weight of the sulfonate sulfur, based on the total weight of the sodium lignosulfonate and at least one cationic dispersion and a nonionic dispersion; and at least one salt containing at least one metal element.2. Composição, de acordo com a reivindicação 1, caracterizada pelo facto de o lignossulfonato compreender menos do que 5 % em peso de enxofre do sulfonato, com base no peso total do lignossulfonato de sódio.Composition according to Claim 1, characterized in that the lignosulfonate comprises less than 5% by weight of sulfonate sulfur, based on the total weight of the sodium lignosulfonate.3. Composição, de acordo com a reivindicação 2, caracterizada pelo facto de o lignossulfonato compreender menos do que 4,5 % em peso de enxofre de sulfonato, com base no peso total do lignossulfonato de sódio.Composition according to Claim 2, characterized in that the lignosulfonate comprises less than 4.5% by weight sulfonate sulfur, based on the total weight of the sodium lignosulfonate.4. Composição, de acordo com a reivindicação 3, caracterizada pelo facto de o lignossulfonato compreender menos do que 4 % em peso de enxofre de sulfonato, com base no peso total do lignossulfonato de sódio. 1Composition according to Claim 3, characterized in that the lignosulfonate comprises less than 4% by weight sulfonate sulfur, based on the total weight of the sodium lignosulfonate. 15. Composição, de acordo com a reivindicação 1, caracterizada pelo facto de o sal estar presente numa quantidade tal, que está presente pelo menos um elemento metálico numa quantidade equivalente ou maior do que 4,4 % em peso de alumínio, com base no peso total da cola reactiva com a celulose.Composition according to Claim 1, characterized in that the salt is present in such an amount that at least one metal element is present in an amount equivalent to or greater than 4.4% by weight of aluminum, based on total weight of the reactive glue with the cellulose.6. Composição, de acordo com a reivindicação 5, caracterizada pelo facto de o sal estar presente numa quantidade tal, que está presente pelo menos um elemento metálico numa quantidade equivalente ou maior do que 6 % em peso de alumínio, com base no peso total da cola reactiva com a celulose.Composition according to Claim 5, characterized in that the salt is present in an amount such that at least one metal element is present in an amount equivalent to or greater than 6% by weight of aluminum, based on the total weight of the reactive glue with the cellulose.7. Composição, de acordo com a reivindicação 1, caracterizada pelo facto de o sal estar presente numa quantidade tal, que está presente pelo menos um elemento metálico numa quantidade equivalente ou menor do que 40 % em peso de alumínio, com base no peso total da cola reactiva com a celulose.Composition according to Claim 1, characterized in that the salt is present in such an amount that at least one metal element is present in an amount equivalent to or less than 40% by weight of aluminum, based on the total weight of the reactive glue with the cellulose.8. Composição, de acordo com a reivindicação 4, caracterizada pelo facto de o sal estar presente numa quantidade tal, que está presente pelo menos um elemento metálico numa quantidade equivalente a 0,2 % em peso até 40 % em peso de alumínio, com base no peso total da cola reactiva com a celulose.Composition according to Claim 4, characterized in that the salt is present in an amount such that at least one metal element is present in an amount equivalent to 0.2% by weight to 40% by weight of aluminum, with based on the total weight of the cellulose reactive glue.9. Composição, de acordo com a reivindicação 8, caracterizada pelo facto de o sal estar presente numa quantidade tal, que está presente pelo menos um elemento metálico numa quantidade equivalente a 0,4 % em peso até 30 % em peso de alumínio, com base no peso total da cola reactiva com a celulose. 2Composition according to Claim 8, characterized in that the salt is present in such an amount that at least one metal element is present in an amount equivalent to 0.4% by weight to 30% by weight aluminum, with based on the total weight of the cellulose reactive glue. 210. Composição, de acordo com a reivindicação 9, caracterizada pelo facto de o sal estar presente numa quantidade tal, que está presente pelo menos um elemento metálico numa quantidade equivalente a 1,5 % em peso até 20 % em peso de alumínio, com base no peso total da cola reactiva com a celulose.Composition according to Claim 9, characterized in that the salt is present in such an amount that at least one metallic element is present in an amount equivalent to 1.5% by weight up to 20% by weight aluminum, with based on the total weight of the cellulose reactive glue.11. Composição, de acordo com a reivindicação 10, caracterizada pelo facto de o sal estar presente numa quantidade tal, que está presente pelo menos um elemento metálico numa quantidade equivalente a 3 % em peso até 15 % em peso de alumínio, com base no peso total da cola reactiva com a celulose.Composition according to Claim 10, characterized in that the salt is present in such an amount that at least one metal element is present in an amount equivalent to 3% by weight up to 15% by weight of aluminum, based on total weight of the reactive glue with the cellulose.12. Composição, de acordo com a reivindicação 11, caracterizada pelo facto de o sal estar presente numa quantidade tal, que está presente pelo menos um elemento metálico numa quantidade equivalente a 6 % em peso até 8 % em peso de alumínio, com base no peso total da cola reactiva com a celulose.Composition according to Claim 11, characterized in that the salt is present in such an amount that at least one metal element is present in an amount equivalent to 6% by weight to 8% by weight aluminum based on total weight of the reactive glue with the cellulose.13. Processo para a colagem de um produto à base de celulose, caracterizado pelo facto de compreender a adição da composição aquosa, tal como definida em uma qualquer das reivindicações 1 a 12, ao material celulósico.A process for the adhesion of a cellulose based product comprising the addition of the aqueous composition as defined in any one of claims 1 to 12 to the cellulosic material.14. Processo de acordo com a reivindicação 13, caracterizado pelo facto de o material celulósico compreender pasta de papel.Process according to claim 13, characterized in that the cellulosic material comprises paper pulp.15. Processo de acordo com a reivindicação 13, caracterizado pelo facto de o material celulósico compreender a superfície de um produto de papel. Lisboa, 30 de Outubro de 2006 3The method of claim 13, wherein the cellulosic material comprises the surface of a paper product. Lisbon, October 30, 2006 3