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Patent Agency Ranking
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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公开(公告)号：WO2018087060A1
公开(公告)日：2018-05-17
申请号：PCT/EP2017/078408
申请日：2017-11-07
Applicant: SAPPI NETHERLANDS SERVICES B.V.
Inventor： JENNEKENS, Math , TRAMBITAS, Daniela Oana
IPC: C08L1/02
Abstract: It is an object of the present invention to provide a process for producing non-surface modified nanocellulose particles, in particular in the form of a powder, comprising the steps of i. providing a suspension of never-dried, non-surface modified nanocellulose particles in an aqueous liquid, which aqueous liquid is non-solubilising for the non-surface modified nanocellulose particles, and which aqueous liquid is water or an aqueous solution of morpholine or piperidine or mixtures thereof, ii. contacting the suspension of non-surface modified nanocellulose particles with a fiuid in a supercritical state, which fiuid is miscible with the aqueous liquid and is non-solubilising for the non-surface modified nanocellulose particles, under conditions suitable for the transfer of the aqueous liquid into the fluid in a supercritical state, iii. removing the aqueous liquid and the fluid in a supercritical state, preferably by controlling pressure and/or temperature, to form the non-surface modified nanocellulose particles, iv. collecting the non-surface modified nanocellulose particles, characterized in that the fluid in a supercritical state comprises, or consists of, ammonia (NH3) in a supercritical state.
Abstract translation: 本发明的目的是提供制备非表面改性的纳米纤维素颗粒，特别是粉末形式的方法，其包括以下步骤：i。 提供未干燥的非表面改性的纳米纤维素颗粒在水性液体中的悬浮液，所述水性液体对于非表面改性的纳米纤维素颗粒是非增溶的，并且所述水性液体是水或吗啉或哌啶的水溶液或 ii。 使非表面改性的纳米纤维素颗粒的悬浮液与超临界状态的流体接触，所述超临界状态的流体可与含水液体混溶并且对于非表面改性的纳米纤维素颗粒不增溶，在适合转移含水液体的条件下 进入超临界状态的流体中，iii。 优选通过控制压力和/或温度，除去超临界状态的含水液体和流体，以形成非表面改性的纳米纤维素颗粒，iv。 收集非表面改性的纳米纤维素颗粒，其特征在于超临界状态的流体包含超临界状态的氨（NH 3）或由超临界状态的氨（NH 3）组成。
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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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公开(公告)号：EP3321316A1
公开(公告)日：2018-05-16
申请号：EP16198508.0
申请日：2016-11-11
Applicant: SAPPI Netherlands Services B.V.
Inventor： JENNEKENS, Math , TRAMBITAS, Daniela Oana
IPC: C08L1/02
CPC classification number: C08L1/02 , Y02P20/544
Abstract: It is an object of the present invention to provide a process for producing non-surface modified nanocellulose particles, in particular in the form of a powder, comprising the steps of i. providing a suspension of never-dried, non-surface modified nanocellulose particles in an aqueous liquid, which aqueous liquid is non-solubilising for the non-surface modified nanocellulose particles, and which aqueous liquid is water or an aqueous solution of morpholine or piperidine or mixtures thereof, ii. contacting the suspension of non-surface modified nanocellulose particles with a fluid in a supercritical state, which fluid is miscible with the aqueous liquid and is non-solubilising for the non-surface modified nanocellulose particles, under conditions suitable for the transfer of the aqueous liquid into the fluid in a supercritical state, iii. removing the aqueous liquid and the fluid in a supercritical state, preferably by controlling pressure and/or temperature, to form the non-surface modified nanocellulose particles, iv. collecting the non-surface modified nanocellulose particles, characterized in that the fluid in a supercritical state comprises, or consists of, ammonia (NH3) in a supercritical state.
Abstract translation: 本发明的目的是提供制备非表面改性的纳米纤维素颗粒，特别是粉末形式的方法，其包括以下步骤：i。 提供未干燥的非表面改性的纳米纤维素颗粒在水性液体中的悬浮液，所述水性液体对于非表面改性的纳米纤维素颗粒是非增溶的，并且所述水性液体是水或吗啉或哌啶的水溶液或 ii。 使非表面改性的纳米纤维素颗粒的悬浮液与处于超临界状态的流体接触，所述流体与含水液体可混溶并且对于非表面改性的纳米纤维素颗粒不可增溶，在适合转移含水液体的条件下 进入超临界状态的流体中，iii。 优选通过控制压力和/或温度，除去超临界状态的含水液体和流体，以形成非表面改性的纳米纤维素颗粒，iv。 收集非表面改性的纳米纤维素颗粒，其特征在于超临界状态的流体包含超临界状态的氨（NH 3）或由其组成。
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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.
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