公开(公告)号：US11685820B2

公开(公告)日：2023-06-27

申请号：US16282551

申请日：2019-02-22

申请人： ORGANOCLICKAB

发明人： Juhanes Aydin ,  Maria Wennman

IPC分类号： C08L5/08 ,  C08L1/28 ,  D06N3/00 ,  D06B1/00 ,  B05D1/00 ,  B05D5/08

CPC分类号： C08L5/08 ,  B05D1/00 ,  B05D5/08 ,  C08L1/286 ,  D06B1/00 ,  D06N3/0059 ,  C08L2205/02 ,  D06N2209/142 ,  D10B2401/021 ,  C08L1/286 ,  C08L5/08 ,  C08L5/08 ,  C08L1/286

摘要： The invention relates to a bio-based polyelectrolyte complex (PEC) composition suitable as a binder for fiber based materials, textiles, woven and nonwoven materials, said PEC composition comprising cationic biopolymer, anionic biopolymer, acid and a preservative, and wherein the net charge of the PEC is cationic, the charge ratio of the anionic polymer and the cationic polymer is ≤1, the cationic biopolymer is chitosan, the anionic biopolymer is a polyanion derived from nature, the acid is a Brønsted acid and/or a Lewis acid, wherein the Brønsted acid is selected from any organic and/or inorganic acids, and wherein the Lewis acid is selected from any cationic mono- or multivalent atom, the weight ratio between cation and anion is 1:0.1 to 1:20, the weight ratio between the cation and acid is 1:0.01 to 1:30, chitosan has a degree of deacetylation being 66-100%, the pH is less than 7, and wherein said composition further comprises one or more fatty compounds as well as methods and use thereof. The present invention further relates to a method for preparing the PEC composition, uses of the PEC composition, as well as method of treating materials with the PEC composition.

公开(公告)号：US11525211B2

公开(公告)日：2022-12-13

申请号：US16282608

申请日：2019-02-22

申请人： ORGANOCLICKAB

发明人： Juhanes Aydin ,  Maria Wennman

IPC分类号： C08L5/08 ,  D06B1/00 ,  D06M15/03 ,  C08L1/28 ,  D21H23/22 ,  D21H23/54 ,  D21H23/56 ,  D21H23/62 ,  D21H23/50 ,  D21H23/34 ,  C08K3/013 ,  C08K3/36 ,  C08K5/07 ,  C08K5/09 ,  C08K5/10 ,  D21H17/24 ,  D21H19/44 ,  C08L57/00 ,  C08L67/04 ,  C08L89/00

摘要： The present invention relates to a bio-based polyelectrolyte complex (PEC) composition suitable as a binder for fiber based materials, textiles, woven and nonwoven materials, said PEC composition comprising cationic biopolymer, anionic biopolymer, acid and preservative, and wherein the net charge of the PEC is cationic, the charge ratio of the anionic polymer and the cationic polymer is ≤1, the cationic biopolymer is chitosan, the anionic biopolymer is a polyanion derived from nature, the acid is a Brønsted acid and/or a Lewis acid, wherein the Brønsted acid is selected from any organic and/or inorganic acids, and wherein the Lewis acid is selected from any cationic mono- or multivalent atom, the weight ratio between cation and anion is 1:0.1 to 1:20, the weight ratio between the cation and acid is 1:0.01 to 1:30, chitosan has a degree of deacetylation being 66-100%, the pH is less than 7, and wherein said composition further comprises one or more non-water soluble particles. The present invention further relates to a method for preparing the PEC composition, uses of the PEC composition, as well as method of treating materials with the PEC composition.

公开(公告)号：US11319673B2

公开(公告)日：2022-05-03

申请号：US16282514

申请日：2019-02-22

申请人： ORGANOCLICKAB

发明人： Juhanes Aydin ,  Maria Wennman ,  Yujia Zhang

IPC分类号： D21H21/20 ,  D21H17/24 ,  D21H17/29 ,  D21H17/26 ,  D21H17/27 ,  D21H17/30 ,  D21H17/31 ,  D21H17/23 ,  D21H17/14 ,  D21H17/06 ,  D21H21/36 ,  D21H17/09 ,  D21H17/11 ,  C08L5/08 ,  C08L1/28 ,  D06B1/00 ,  D21H23/22 ,  D06M15/03 ,  D21H17/15

摘要： The present invention relates to a bio-based polyelectrolyte complex (PEC) composition suitable as a binder for fiber based materials, textiles, woven and nonwoven materials. The PEC composition comprises cationic biopolymer, anionic biopolymer acid and a polymer, and is further characterized in that the net charge of the PEC is cationic, the charge ratio of the anionic polymer and the cationic polymer is ≤1, the cationic biopolymer is chitosan, wherein the concentration of cation is 0.005-30%, the anionic biopolymer is polyanions derived from nature, the acid is a Brønsted acid and/or a Lewis acid, wherein the Brønsted acid is selected from any organic and/or inorganic acids, wherein the Lewis acid is selected from any cationic mono- or multivalent atom, the weight ratio between cation and anion is 1:0.1 to 1:20, the weight ratio between the cation and acid is 1:0.01 to 1:30, chitosan has a degree of deacetylation being 66-100%, and the pH is less than 7. The present invention further relates to a method for preparing the PEC composition, uses of the PEC composition, as well as method of treating materials with the PEC composition.