D21J3/00

METHOD FOR PRODUCING DENSIFIED CELLULOSIC COMPOSITE MATERIAL

The present invention provides a method for obtaining densified material comprising the steps of

a. providing lignocellulosic material,

b. delignification of the lignocellulosic material providing a delignified material, wherein the delignification step is performed in such a way that the lignin of the lignocellulosic material is almost completely removed and wherein the structural integrity of the lignocellulosic material is maintained in the delignified material,

c. densification of the delignified material providing a densified material.

Furthermore, a densified material is provided. The fibers and fibrils are maintained in the structural directionality of the raw material and that the cellulosic material is whitish.

METHOD FOR PRODUCING DENSIFIED CELLULOSIC COMPOSITE MATERIAL

The present invention provides a method for obtaining densified material comprising the steps of

a. providing lignocellulosic material,

b. delignification of the lignocellulosic material providing a delignified material, wherein the delignification step is performed in such a way that the lignin of the lignocellulosic material is almost completely removed and wherein the structural integrity of the lignocellulosic material is maintained in the delignified material,

c. densification of the delignified material providing a densified material.

Furthermore, a densified material is provided. The fibers and fibrils are maintained in the structural directionality of the raw material and that the cellulosic material is whitish.

Methods, Apparatus, and Chemical Compositions for Selectively Coating Fiber-Based Food Containers
20200208353 · 2020-07-02 ·

Methods and apparatus for vacuum forming and subsequently applying topical coatings fiber-based food containers. The slurry includes one or more of an embedded moisture barrier, vapor barrier, and oil barrier, and the topical coating comprises one or more of a vapor barrier, a moisture barrier, an oil barrier, and an oxygen barrier. For food containers having deep sidewalls, a spray coating system includes a first nozzle for applying a full cone spray pattern to the bottom surface of the container, and a second nozzle for applying a hollow cone spray pattern to the inside surfaces of the side walls.

Method for simultaneously pressing and cutting a molded fiber part

Methods and apparatus for fabricating a molded fiber part are described. A system for forming a molded fiber container includes a first plate configured to receive a molded fiber part having a moisture content, and a second plate configured to compress the part against the first plate, wherein at least one of the first and second plates includes a die cutting blade.

Method for simultaneously pressing and cutting a molded fiber part

Methods and apparatus for fabricating a molded fiber part are described. A system for forming a molded fiber container includes a first plate configured to receive a molded fiber part having a moisture content, and a second plate configured to compress the part against the first plate, wherein at least one of the first and second plates includes a die cutting blade.

IMPROVED PULP DISPOSABLE TRAY
20200181849 · 2020-06-11 ·

The present invention solves the above mentioned technical problems by providing a three dimensional molded shape suitable for use in the fabrication of a food tray, the molded shape comprising a molded pulp portion with side walls and a bottom wall comprising virgin or recycled cellulose fibers and a film laminate portion comprising a polyester film with an amorphous polyester heat seal layer.

METHOD FOR THE PRODUCTION OF PAPER, CARTON, OR CARDBOARD USING BAOBAB TREE BARK BAST FIBERS, BAOBAB FRUIT FIBERS, AND/OR NATAL FIG BAST FIBERS AS PAPER RAW MATERIAL
20200181845 · 2020-06-11 ·

The invention relates to a method for the production of paper, carton, or cardboard using baobab tree bast fibers, baobab fruit fibers, and/or Natal fig fibers as paper raw material, comprising the steps of: obtaining baobab fruit fiber and/or baobab tree bast fiber as baobab raw material and/or Natal fig bast fiber as Natal fig raw material; fraying the baobab raw material and/or Natal fig raw material while adding water; heating and preferably bleaching the obtained fiber pulp; applying the fiber pulp to a sieving means comprising removing a portion of the added water in order to produce a paper fiber fleece; pressing the obtained paper fiber fleece; and drying the obtained paper fiber fleece. The invention further relates to paper, cardboard, or carton obtainable by a method of the invention, and their use for the production of natural paper, papier mch, art paper, hygienic paper, tissue paper, graphic papers, paper, carton, or cardboard for packaging purposes, or paper for specialized technical purposes.

METHOD FOR THE PRODUCTION OF PAPER, CARTON, OR CARDBOARD USING BAOBAB TREE BARK BAST FIBERS, BAOBAB FRUIT FIBERS, AND/OR NATAL FIG BAST FIBERS AS PAPER RAW MATERIAL
20200181845 · 2020-06-11 ·

The invention relates to a method for the production of paper, carton, or cardboard using baobab tree bast fibers, baobab fruit fibers, and/or Natal fig fibers as paper raw material, comprising the steps of: obtaining baobab fruit fiber and/or baobab tree bast fiber as baobab raw material and/or Natal fig bast fiber as Natal fig raw material; fraying the baobab raw material and/or Natal fig raw material while adding water; heating and preferably bleaching the obtained fiber pulp; applying the fiber pulp to a sieving means comprising removing a portion of the added water in order to produce a paper fiber fleece; pressing the obtained paper fiber fleece; and drying the obtained paper fiber fleece. The invention further relates to paper, cardboard, or carton obtainable by a method of the invention, and their use for the production of natural paper, papier mch, art paper, hygienic paper, tissue paper, graphic papers, paper, carton, or cardboard for packaging purposes, or paper for specialized technical purposes.

METHOD FOR THE MANUFACTURING A 3-DIMINESIONAL SHAPED PRODUCT FROM A FLUFF PULP MATERIAL AND SUCH PRODUCT
20200131710 · 2020-04-30 ·

The present invention relates to a method for manufacturing a 3-dimensional shaped product from a fluff pulp material and such product. The method according to the invention comprises the steps of: providing a fluff pulp material; providing an air-laid flow of fluff pulp material to a 3-dimensional shaped mould; forming the product in the mould; and releasing the 3-dimensional shaped product from the mould.

METHOD FOR THE MANUFACTURING A 3-DIMINESIONAL SHAPED PRODUCT FROM A FLUFF PULP MATERIAL AND SUCH PRODUCT
20200131710 · 2020-04-30 ·

The present invention relates to a method for manufacturing a 3-dimensional shaped product from a fluff pulp material and such product. The method according to the invention comprises the steps of: providing a fluff pulp material; providing an air-laid flow of fluff pulp material to a 3-dimensional shaped mould; forming the product in the mould; and releasing the 3-dimensional shaped product from the mould.