公开(公告)号：US10443153B2

公开(公告)日：2019-10-15

申请号：US15124872

申请日：2015-03-05

申请人： smartpolymer GmbH

发明人： Frank-Günter Niemz ,  Marcus Krieg ,  Michael Mooz ,  Ralf-Uwe Bauer ,  Sabine Riede

IPC分类号： D01F1/07 ,  C08K5/3492 ,  D01F2/00 ,  D01F2/02 ,  C08L1/02 ,  C08L61/28 ,  D01D5/06 ,  D01F11/02

摘要： The invention relates to molded cellulose bodies, in particular fibers, filaments, directly spun nonwovens, films, or foams which have flame-resistant properties. The fibers and filaments can be further processed as textiles into yarns, wovens, knitted fabrics, and nonwovens. The molded bodies are produced from solutions of cellulose and melamine cyanurate or cellulose and crosslinked or partially crosslinked melamine resin particles in an organic solvent. The melamine cyanurate or the melamine resin particles provide the molded cellulose bodies with flame-retardant properties. The molded cellulose bodies made of cellulose and melamine cyanurate or melamine resin particles can further contain flame retardants, in particular flame retardants which act synergistically, in a particulate form. The obtained textile fibers and nonwoven materials have a soft touch and can be processed or finished as filaments or yarns on conventional textile machines.

公开(公告)号：US10905645B2

公开(公告)日：2021-02-02

申请号：US15534101

申请日：2015-12-09

申请人： smartpolymer GmbH

发明人： Ralf-Uwe Bauer ,  Frank Meister ,  Michael Mooz ,  Markus Krieg ,  Sabine Riede

IPC分类号： A61K8/73 ,  D01F1/10 ,  C08B1/00 ,  D01F1/02 ,  D01F2/00 ,  C08L1/02 ,  A61K8/02 ,  A61K8/06 ,  A61K8/25 ,  A61K8/42 ,  A61K8/58 ,  A61K8/67 ,  A61K8/92 ,  C08K3/36 ,  C08K9/04 ,  D01F2/02

摘要： Methods for producing cellulose articles having controlled release of active ingredient include dispersing pulp in aqueous direct solvent for cellulose to form a slurry. Organically modified or ion-exchange-activated phyllosilicate is homogenized in a direct solvent for cellulose with exfoliation by shearing, then mixed with the slurried pulp. A mixture of active ingredient and a lipophilic matrix material or a water-in-oil (“W/O”) emulsion containing active ingredient is stabilized with thickener, converted into a gel-like paste, and mixed with the slurried pulp. Water is stripped from the mixture until all cellulose is dissolved, the mixture is formed into shaped articles, and dried. Exemplary active ingredients include cosmetic active ingredients, fat-soluble vitamins or apolar plant extracts. Domains of active ingredient and matrix material or emulsion containing active ingredient are present as fine divisions within the inventive articles. Exemplary shaped articles include functional fibers in knitted, woven and nonwoven fabrics; paper; foils and membranes.