-
Patent Agency Ranking
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
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
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：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.
-
公开(公告)号：EP3353232B1
公开(公告)日：2020-12-02
申请号：EP16770771.0
申请日：2016-09-26
Applicant: SAPPI Netherlands Services B.V.
-
公开(公告)号：EP3310856A1
公开(公告)日：2018-04-25
申请号：EP16733009.1
申请日：2016-06-16
Applicant: SAPPI Netherlands Services B.V.
Inventor： BALLET, Wim , CANTEKIN, Seda , DUARTE, Gustavo , MOMIN, Saschi , SIMONS, Jo
CPC classification number: C08L1/02 , C08J3/09 , C08J3/12 , C08J2301/02 , C08L2201/56
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.
-
-
-
-
Search Results
5
records
(took 0.022 seconds)
