Provided are a resin composition in which there is a particularly good achievement of low specific gravity, high rigidity, and a low coefficient of linear expansion, a resin composition in which low specific gravity, high rigidity, a low coefficient of thermal expansion, and low water absorbency are all achieved, are a resin composition which has low specific gravity and in which there is a good achievement of the contradictory properties of high toughness and low thermal expansion. Provided in an embodiment is a resin composition containing a first polymer forming a continuous phase, a second polymer forming a dispersed phase, and cellulose, wherein the first polymer is a polyamide and the second polymer is at least one polymer selected from the group consisting of crystalline resins having a melting point of at least 60° C. and non-crystalline resins having a glass transition temperature of at least 60° C.

Provided are a resin composition in which there is a particularly good achievement of low specific gravity, high rigidity, and a low coefficient of linear expansion, a resin composition in which low specific gravity, high rigidity, a low coefficient of thermal expansion, and low water absorbency are all achieved, are a resin composition which has low specific gravity and in which there is a good achievement of the contradictory properties of high toughness and low thermal expansion. Provided in an embodiment is a resin composition containing a first polymer forming a continuous phase, a second polymer forming a dispersed phase, and cellulose, wherein the first polymer is a polyamide and the second polymer is at least one polymer selected from the group consisting of crystalline resins having a melting point of at least 60° C. and non-crystalline resins having a glass transition temperature of at least 60° C.

The present application relates to a medical hydrogel comprising nanofibrillar cellulose, wherein the hydrogel has a viscosity in the range of 2500-9000 Pa.Math.s and a water retention value in the range of 30-100 g/g. The present application also relates to a method for preparing the medical hydrogel The present application relates to the medical hydrogel for use for treating wounds.

The present application relates to a medical hydrogel comprising nanofibrillar cellulose, wherein the hydrogel has a viscosity in the range of 2500-9000 Pa.Math.s and a water retention value in the range of 30-100 g/g. The present application also relates to a method for preparing the medical hydrogel The present application relates to the medical hydrogel for use for treating wounds.

There is provided a method of producing a sheet having a density of 0.6-1.3 g/cm.sup.3 measured according to ISO 534:2011, the sheet comprising chemically modified cellulose fibres, wherein the method comprises: a. providing chemically modified cellulose fibres, wherein charge density measured according to SCAN-CM 65:02 of the chemically modified cellulose fibres is 1200-2400 μeq/g; b. forming a fibre web by dewatering a slurry comprising the chemically modified cellulose fibres on a forming wire; and c. drying the fibre web to obtain the sheet, with the proviso that no carboxymethyl cellulose (CMC) is added to the chemically modified cellulose fibres during or prior to step b.

A cellulose-containing article for treating an area of skin, wherein the article comprises BNC in an amount of at least 1% by weight and at most 15% by weight, comprises fluid in an amount of at least 85% by weight and at most 99% by weight, has an average thickness of at least 0.5 mm and at most 8 mm, wherein the BNC is of microbial origin.

A cellulose-containing article for treating an area of skin, wherein the article comprises BNC in an amount of at least 1% by weight and at most 15% by weight, comprises fluid in an amount of at least 85% by weight and at most 99% by weight, has an average thickness of at least 0.5 mm and at most 8 mm, wherein the BNC is of microbial origin.

A technique for physical interaction of nanocellulose, a method of separating nanocellulose from water in an aqueous solution using a physical interaction promoter, and a method for synthesis of a cellulose interaction promoter capable of increasing the dispersibility of nanocellulose in a polymer matrix and improving the physical properties of a polymer composite material are provided.

A technique for physical interaction of nanocellulose, a method of separating nanocellulose from water in an aqueous solution using a physical interaction promoter, and a method for synthesis of a cellulose interaction promoter capable of increasing the dispersibility of nanocellulose in a polymer matrix and improving the physical properties of a polymer composite material are provided.

Cellulose materials and methods of making the cellulose materials are described herein. The method can include contacting a cotton fabric with an oxidizing system to obtain an oxidized cotton material and processing the oxidized cotton material to form the cellulose material. The oxidizing system can include an aqueous mixture of a N-oxyl compound and a hypochlorite compound. During oxidation, the pH of the aqueous mixture can be maintained at from 8.5 to 11. Cellulose products can be formed from the cellulose materials. For example, the cellulose products can be used to form a packaging material, a biomedical device or implant, a drug delivery material, a fiber, a textile material, a template for electronic components, or a separation membrane. Methods of making the cellulose product include dissolving or suspending an active ingredient in a medium comprising the cellulose material.