公开(公告)号：WO2016202933A1

公开(公告)日：2016-12-22

申请号：PCT/EP2016/063916

申请日：2016-06-16

Applicant: SAPPI NETHERLANDS SERVICES B.V.

Inventor： BALLET, Wim ,  CANTEKIN, Seda ,  DUARTE, Gustavo ,  MOMIN, Saschi ,  SIMONS, Jo

IPC: C08L1/02 ,  D21C9/00

CPC classification number: C08L1/02

Abstract: The present invention provides for a dispersion containing cellulose particles dispersed in a continuous liquid phase comprising a first and a second continuous liquid phase, wherein the first continuous liquid phase consists of a liquid swelling agent or an aqueous solution of said liquid swelling agent, and the second continuous liquid phase comprises, preferably consists of, one or more organic solvents, with the proviso that the one or more organic solvents of the second continuous liquid phase are not capable of dissolving cellulose, have a boiling point higher than the boiling point of the first continuous liquid phase, and are miscible with the constituents of the swelling composition.

Abstract translation: 本发明提供一种含有分散在包含第一和第二连续液相的连续液相中的纤维素颗粒的分散体，其中第一连续液相由液体溶胀剂或所述液体溶胀剂的水溶液组成， 第二连续液相包含，优选由一种或多种有机溶剂组成，条件是第二连续液相的一种或多种有机溶剂不能溶解纤维素，其沸点高于 第一连续液相，并与溶胀组合物的组分混溶。

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

IPC: C08J3/12 ,  B01D1/18 ,  F26B3/12 ,  D21C9/00

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。

公开(公告)号：WO2017093568A1

公开(公告)日：2017-06-08

申请号：PCT/EP2016/079775

申请日：2016-12-05

Applicant: SAPPI NETHERLANDS SERVICES B.V.

Inventor： MOMIN, Saschi ,  JANSEN, Adrianus Johannes Ernst

IPC: D21D1/02 ,  D21D1/20

CPC classification number: D21D1/20 ,  D21D1/02

Abstract: A process for reducing the overall energy consumption in the production of nanocellulose dispersions from a base cellulosic material wherein said process comprises an intermediate step reducing the overall energy consumption by at least 50% when compared to a process lacking said intermediate step.

Abstract translation: 一种用于减少由基础纤维素材料生产纳米纤维素分散体的总能量消耗的方法，其中所述方法包括中间步骤，与缺乏方法相比，整体能耗降低至少50％ 说中间步骤。

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

IPC: C08B3/08 ,  C08B3/10

CPC classification number: C08B3/08 ,  C08B3/10

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。

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

IPC: D01F1/10 ,  D01F2/00

CPC classification number: D01F2/00 ,  C08H8/00 ,  D01F1/10

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。

公开(公告)号：EP3394108A1

公开(公告)日：2018-10-31

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

IPC: C08B3/08 ,  C08B3/10

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 anhydroglucose units 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

公开(公告)号：EP3384080A1

公开(公告)日：2018-10-10

申请号：EP16806085.3

申请日：2016-12-05

Applicant: SAPPI Netherlands Services B.V.

Inventor： MOMIN, Saschi ,  JANSEN, Adrianus Johannes Ernst

IPC: D21D1/02 ,  D21D1/20

CPC classification number: D21D1/20 ,  D21C9/007 ,  D21D1/02 ,  D21H11/18

Abstract: A process for reducing the overall energy consumption in the production of nanocellulose dispersions from a base cellulosic material wherein said process comprises an intermediate step reducing the overall energy consumption by at least 50% when compared to a process lacking said intermediate step.

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

IPC: C08J3/12 ,  B01D1/18 ,  F26B3/12 ,  D21C9/00

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.

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

IPC: C08B3/08 ,  C08B3/10

公开(公告)号：EP3176321A1

公开(公告)日：2017-06-07

申请号：EP15198088.5

申请日：2015-12-04

Applicant: SAPPI Netherlands Services B.V.

Inventor： MOMIN, Saschi ,  JANSEN, Adrianus Johannes Ernst

IPC: D21D1/02 ,  D21D1/20

CPC classification number: D21D1/20 ,  D21D1/02

Abstract: A process for reducing the overall energy consumption in the production of nanocellulose dispersions from a base cellulosic material wherein said process comprises an intermediate step reducing the overall energy consumption by at least 50% when compared to a process lacking said intermediate step.

Abstract translation: 一种用于降低从基础纤维素材料生产纳米纤维素分散体中的总能量消耗的方法，其中所述方法包括中间步骤，与缺乏所述中间步骤的方法相比，整体能耗降低至少50％。