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公开(公告)号：WO2017051030A1
公开(公告)日：2017-03-30
申请号：PCT/EP2016/072826
申请日：2016-09-26
Applicant: SAPPI NETHERLANDS SERVICES B.V.
Inventor： MENENDEZ GONZALEZ, Reyes , TRAMBITAS, Daniela Oana , CANTEKIN, Seda , GRAVESON, Ian , JENNEKENS, Math , MOMIN, Saschi
CPC classification number: C08J3/122 , B01D1/18 , C08J2301/02 , D21C9/004 , D21C9/005 , F26B3/12 , Y02P20/544
Abstract: The present invention provides for a process for producing dry, water-dispersible, non-surface modified nanocellulose particles or a powderous composition r comprising said particles comprising the steps of: i. providing a first suspension of non-surface modified cellulose particles in an first aqueous liquid, which aqueous liquid is non-solubilizing for the non-surface modified nanocellulose particles, ii. exchanging substantially all of the first aqueous liquid of the first suspension for a second solvent, which is miscible with the first aqueous liquid and non-solubilizing for the non-surface modified nanocellulose particles, to form a second suspension of non-surface modified nanocellulose particles in said second solvent, iii. contacting a flow of the second suspension of non-surface modified nanocellulose particles with a flow of a fluid in a supercritical or critical state, which fluid in a supercritical or critical state is miscible with the second solvent and non-solvating for the non- surface modified nanocellulose particles under conditions suitable for the transfer of substantially all of the second solvent into the supercritical fluid, iv. removing the second solvent and the fluid in a supercritical or critical state, preferably by controlling pressure and/or temperature, to form the dry, water-dispersible nanocellulose particles, v. collecting the dry, water-dispersible, non-surface modified nanocellulose particles and/or forming the powderous composition comprising said particles.
Abstract translation: 本发明提供了一种制备干燥，水分散性，非表面改性的纳米纤维素颗粒或包含所述颗粒的粉末组合物r的方法，包括以下步骤： 提供非表面改性纤维素颗粒在第一含水液体中的第一悬浮液，该水性液体对于非表面改性纳米纤维素颗粒是不溶解的，ii。 基本上将第一悬浮液的所有第一含水液体与第一水溶液混溶并且不溶解用于非表面改性的纳米纤维素颗粒的第二溶剂形成非表面改性纳米纤维素颗粒的第二悬浮液 在所述第二溶剂中，iii。 使非表面改性的纳米纤维素颗粒的第二悬浮液的流与超临界或临界状态的流体流接触，所述流体在超临界或临界状态下可与第二溶剂混溶并且对非表面非溶剂化 在适于将基本上所有第二溶剂转移到超临界流体的条件下，改性纳米纤维素颗粒，iv。 在超临界或临界状态下，优选通过控制压力和/或温度来除去第二溶剂和流体以形成干燥的水分散性纳米纤维素颗粒，v。收集干燥的水分散性非表面改性纳米纤维素颗粒 和/或形成包含所述颗粒的粉状组合物。
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2.发明申请
公开(公告)号：WO2014009517A1
公开(公告)日：2014-01-16
申请号：PCT/EP2013/064776
申请日：2013-07-12
Applicant: SAPPI NETHERLANDS SERVICES B.V.
Inventor： GRAVESON, Ian
CPC classification number: C08B15/02 , D21C9/004 , D21C9/005 , D21C9/007 , D21H11/18 , D21H17/07 , D21H17/64 , D21H17/66 , D21H21/22
Abstract: The present invention is directed towards a low energy method for the preparation of nanocellulose using selected organic or inorganic swelling agents. The use of these swelling agents allows opening up the intercrystalline structure and partially the intracrystalline structure of cellulosic materials thereby achieving a reduction in the energy required to subsequently process the resultant swollen cellulose material into nanocellulose.
Abstract translation: 本发明涉及使用选择的有机或无机溶胀剂制备纳米纤维的低能量方法。 这些溶胀剂的使用允许打开晶间结构，并部分地打开纤维素材料的结晶结构，从而实现随后将所得溶胀的纤维素材料加工成纳米纤维所需的能量的降低。
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3.发明申请METHOD FOR SPINNING ANIONICALLY MODIFIED CELLULOSE AND FIBRES MADE USING THE METHOD 审中-公开使用该方法旋转阴离子改性的纤维素和纤维的方法
公开(公告)号：WO2012120074A1
公开(公告)日：2012-09-13
申请号：PCT/EP2012/053989
申请日：2012-03-08
Applicant: SAPPI NETHERLANDS SERVICES B.V. , GRAVESON, Ian
Inventor： GRAVESON, Ian
CPC classification number: D01F6/00 , D01D1/02 , D01D5/40 , D01F1/00 , D01F2/00 , D01F2/24 , D21H13/02 , D21H15/00
Abstract: The present invention is directed towards a method for spinning anionically modified cellulose comprising the steps of: (a) preparing a suspension of the anionically modified cellulose in a continuous phase; (b) subjecting the suspension to high shear rate; (c) performing spinning by extruding the cellulose suspension through a spinneret into a spin bath comprising a cationic complexing agent, and (d) isolating the spun fibres from the spin bath; as well as fibres obtained based on the method of the invention and paper or board products derived from such fibres.
Abstract translation: 本发明涉及一种纺丝阴离子改性纤维素的方法，包括以下步骤：（a）制备连续相中阴离子改性纤维素的悬浮液; （b）使悬浮液经受高剪切速率; （c）通过将纤维素悬浮液通过喷丝头挤出到包含阳离子络合剂的纺丝浴中进行纺丝，和（d）从纺丝浴中分离纺丝纤维; 以及基于本发明的方法获得的纤维以及衍生自这种纤维的纸或纸制品。
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4.发明申请
公开(公告)号：WO2012120071A1
公开(公告)日：2012-09-13
申请号：PCT/EP2012/053985
申请日：2012-03-08
Applicant: SAPPI NETHERLANDS SERVICES B.V. , GRAVESON, Ian
Inventor： GRAVESON, Ian
IPC: D01D1/02
CPC classification number: D01D1/02
Abstract: The present invention is directed towards a method for preparing a stable, high solids suspension of neutral or anionically modified cellulose nanofibrils, preferably having a solid content of neutral or anionically modified cellulose nanofibrils of 6 to 80 %, comprising the steps of: (a) isolating neutral or anionic cellulose nanofibrils from cellulose-based material and (b) preparing a stable suspension of the neutral or anionic cellulose nanofibrils in a (viscous) continuous phase that is suitable for use as a basis for fibre spinning.
Abstract translation: 本发明涉及一种制备中性或阴离子改性的纤维素纳米原纤维的稳定的高固含量悬浮液的方法，其优选具有6至80％的中性或阴离子改性的纤维素纳米原纤维的固体含量，其包括以下步骤：（a） 从纤维素基材料中分离中性或阴离子纤维素纳米原纤维，和（b）在适合用作纤维纺丝的基础的（粘稠）连续相中制备中性或阴离子纤维素纳米原纤维的稳定悬浮液。
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公开(公告)号：WO2017108709A1
公开(公告)日：2017-06-29
申请号：PCT/EP2016/081780
申请日：2016-12-19
Applicant: SAPPI NETHERLANDS SERVICES B.V.
Inventor： ENGLISH, Robert , GRAVESON, Ian , MOMIN, Saschi , FERLIN, Nadège
Abstract: A process for the preparation of particulate acylated biopolymer comprising anhydroglucose units, said process comprising the steps of a. dispersing an amount of particulate non-surface modified biopolymer comprising anhydroglucose units in an amount of a liquid alkenyl carboxylate, or of a mixture of two or more liquid alkenyl carboxylates, in order to form a first dispersion, b. adding a catalytic composition to the first dispersion such a to form a second dispersion, c. heating the second dispersion to a temperature above ambient temperature d. cooling the second dispersion to ambient temperature, e. isolating the obtained particulate acylated biopolymer, wherein the amount of a liquid alkenyl carboxylate, or a mixture of two or more liquid alkenyl carboxylates, corresponds to a molar excess of alkenyl carboxylate, the molar excess being defined with respect to the moles of anhydroglucoseunits comprised in the amount of the particulate non-surface modified biopolymer, and wherein the catalytic composition comprises an amount of one, or two or more, non-nucleophilic bases.
Abstract translation: 一种制备包含脱水葡萄糖单元的颗粒酰化生物聚合物的方法，所述方法包括以下步骤：a。 将一定量的包含脱水葡萄糖单元的颗粒状非表面改性的生物聚合物分散在一定量的液体烯基羧酸盐或两种或更多种液体烯基羧酸盐的混合物中以形成第一分散体，b。 向第一分散体中加入催化组合物以形成第二分散体，c。 将第二分散体加热至高于环境温度d的温度。 将第二分散体冷却到环境温度，例如， 分离所获得的颗粒酰化生物聚合物，其中液体烯基羧酸盐或两种或更多种液体烯基羧酸盐的混合物的量对应于摩尔过量的烯基羧酸盐，所述摩尔过量相对于包含在所述颗粒中的脱水葡萄糖单元的摩尔数 所述颗粒非表面改性的生物聚合物的量，并且其中所述催化组合物包含一定量的一种或两种或更多种非亲核性碱。
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Patent Agency Ranking6.发明申请METHOD FOR PRODUCING A NANOCRYSTALLINE CELLULOSE (CNC) - REINFORCED CELLULOSIC FIBRE OR FILAMENT 审中-公开生产纳米晶体纤维素（CNC） - 增强纤维素纤维或纤维的方法
公开(公告)号：WO2015097047A1
公开(公告)日：2015-07-02
申请号：PCT/EP2014/078336
申请日：2014-12-17
Applicant: SAPPI NETHERLANDS SERVICES B.V.
Inventor： WILLIAMS, Rhodri , ENGLISH, Robert , GRAVESON, Ian , MOMIN, Saschi
Abstract: The present invention provides for method for spinning a reinforced cellulosic fibre or filament, comprising the steps of a. at a first point in time, forming a composite spinning solution comprising a first reinforcing particle, a cellulosic base material and a process solvent, and b. at a second point in time, extruding the spinning solution through an orifice into a regeneration fluid such as to form the reinforced cellulosic fibre or filament, wherein the composite spinning solution is formed by dissolving the cellulosic base material in the process solvent and distributively dispersing the first reinforcing particle in the process solvent.
Abstract translation: 本发明提供了一种用于纺丝增强的纤维素纤维或细丝的方法，包括以下步骤：a。 在第一时间点，形成包含第一增强颗粒，纤维素基材和加工溶剂的复合纺丝溶液，以及b。 在第二时间点，将纺丝溶液通过孔口挤出到再生流体中，以形成增强纤维素纤维或长丝，其中复合纺丝溶液通过将纤维素基材料溶解在加工溶剂中并分散分散 在加工溶剂中的第一增强颗粒。
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7.发明申请METHOD FOR DRY SPINNING NEUTRAL AND ANIONICALLY MODIFIED CELLULOSE AND FIBRES MADE USING THE METHOD 审中-公开用于干燥纺丝中性和阴离子改性纤维素的方法和使用该方法的纤维
公开(公告)号：WO2012120073A1
公开(公告)日：2012-09-13
申请号：PCT/EP2012/053987
申请日：2012-03-08
Applicant: SAPPI NETHERLANDS SERVICES B.V. , GRAVESON, Ian , TURNER, Philip
Inventor： GRAVESON, Ian , TURNER, Philip
CPC classification number: D21C9/00 , D01D1/02 , D01D5/40 , D01F2/00 , D01F2/24 , D21H13/02 , D21H15/00
Abstract: The present invention is directed towards a method for spinning neutral or anionically modified cellulose comprising the steps of: (a) preparing a suspension of the neutral or anionically modified cellulose in a continuous phase; (b) subjecting the suspension to high shear rate; (c) performing spinning by extruding the cellulose suspension into an airgap region comprising at least one heated zone to obtain spun fibres, (d) subjecting the spun fibres to at least one washing stages and (e) isolating the spun fibres from the at least one washing stages; as well as fibres obtained based on the method of the invention and paper or board products derived from such fibres.
Abstract translation: 本发明涉及一种纺制中性或阴离子改性纤维素的方法，包括以下步骤：（a）制备连续相中的中性或阴离子改性纤维素的悬浮液; （b）使悬浮液经受高剪切速率; （c）通过将纤维素悬浮液挤出到包括至少一个加热区域的气隙区域中进行纺丝，以获得纺丝纤维，（d）使纺丝纤维经受至少一个洗涤阶段，和（e）至少从至少一个 一个洗涤阶段; 以及基于本发明的方法获得的纤维以及衍生自这种纤维的纸或纸制品。
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公开(公告)号：EP3353232A1
公开(公告)日：2018-08-01
申请号：EP16770771.0
申请日：2016-09-26
Applicant: SAPPI Netherlands Services B.V.
Inventor： MENENDEZ GONZALEZ, Reyes , TRAMBITAS, Daniela Oana , CANTEKIN, Seda , GRAVESON, Ian , JENNEKENS, Math , MOMIN, Saschi
CPC classification number: C08J3/122 , B01D1/18 , B01D11/0203 , B82Y40/00 , C08J3/03 , C08J3/095 , C08J3/096 , C08J2301/02 , D21C9/004 , D21C9/005 , D21C9/007 , D21H11/18 , F26B3/12 , Y02P20/544
Abstract: The present invention provides for a process for producing dry, water-dispersible, non-surface modified nanocellulose particles or a powderous composition r comprising said particles comprising the steps of: i. providing a first suspension of non-surface modified cellulose particles in an first aqueous liquid, which aqueous liquid is non-solubilizing for the non-surface modified nanocellulose particles, ii. exchanging substantially all of the first aqueous liquid of the first suspension for a second solvent, which is miscible with the first aqueous liquid and non-solubilizing for the non-surface modified nanocellulose particles, to form a second suspension of non-surface modified nanocellulose particles in said second solvent, iii. contacting a flow of the second suspension of non-surface modified nanocellulose particles with a flow of a fluid in a supercritical or critical state, which fluid in a supercritical or critical state is miscible with the second solvent and non-solvating for the non- surface modified nanocellulose particles under conditions suitable for the transfer of substantially all of the second solvent into the supercritical fluid, iv. removing the second solvent and the fluid in a supercritical or critical state, preferably by controlling pressure and/or temperature, to form the dry, water-dispersible nanocellulose particles, v. collecting the dry, water-dispersible, non-surface modified nanocellulose particles and/or forming the powderous composition comprising said particles.
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9.发明公开METHOD FOR DRY SPINNING NEUTRAL AND ANIONICALLY MODIFIED CELLULOSE AND FIBRES MADE USING THE METHOD 有权VERFAHREN ZUM TROCKENSPINNEN VON NEUTRALER UND ANIONISCH MODIFIZERERTER CELLULOSE
公开(公告)号：EP2683858A1
公开(公告)日：2014-01-15
申请号：EP12707352.6
申请日：2012-03-08
Applicant: SAPPI Netherlands Services B.V.
Inventor： GRAVESON, Ian , TURNER, Philip
CPC classification number: D21C9/00 , D01D1/02 , D01D5/40 , D01F2/00 , D01F2/24 , D21H13/02 , D21H15/00
Abstract: The present invention is directed towards a method for spinning neutral or anionically modified cellulose comprising the steps of: (a) preparing a suspension of the neutral or anionically modified cellulose in a continuous phase; (b) subjecting the suspension to high shear rate; (c) performing spinning by extruding the cellulose suspension into an airgap region comprising at least one heated zone to obtain spun fibres, (d) subjecting the spun fibres to at least one washing stages and (e) isolating the spun fibres from the at least one washing stages; as well as fibres obtained based on the method of the invention and paper or board products derived from such fibres.
Abstract translation: 本发明涉及一种纺制中性或阴离子改性纤维素的方法，包括以下步骤：（a）在连续相中制备中性或阴离子改性纤维素的悬浮液; （b）使悬浮液经受高剪切速率; （c）通过将纤维素悬浮液挤出到包括至少一个加热区域的气隙区域中进行纺丝，以获得纺丝纤维，（d）使纺丝纤维经受至少一个洗涤阶段，和（e）至少从至少一个 一个洗涤阶段; 以及基于本发明的方法获得的纤维以及衍生自这种纤维的纸或纸制品。
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公开(公告)号：EP3394108B1
公开(公告)日：2020-02-05
申请号：EP16826304.4
申请日：2016-12-19
Applicant: SAPPI Netherlands Services B.V.
Inventor： ENGLISH, Robert , GRAVESON, Ian , MOMIN, Saschi , FERLIN, Nadège
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