There is provided a composition for a laminated material used for a medical lubricating member, the composition including a polymer b1 including a polysiloxane structure and a crosslinkable polymer b2 having a particular reactive group that forms a crosslinked body with the polymer b1 and having a number-average molecular weight of 1000 or more. The crosslinkable polymer b2 is at least one of polysaccharides, polyethyleneimines, polyesters, polyethers, polyamides, polyurethanes, polyureas, or polyimides. There are also provided a laminated material used for a medical lubricating member and including the composition, a medical lubricating member, and a medical device.

The present invention relates to a polyvinyl alcohol hydrogel having an asymmetric pore size. the pore size of the upper surface of the polyvinyl alcohol hydrogel is 1-30 μm, the pore size of lower surface thereof is 50-300 μm, and the pore size of the hydrogel gradually increases from the upper surface to the lower surface. The polyvinyl alcohol hydrogel in the present invention has excellent biocompatibility, and has functions of blocking bacteria, anti-adhesion, the absorption of exudate, promoting wound healing, observing in situ of wound healing process and the like.

A silicone emulsion composition capable of being formed into a coating film, which contains: (A) 100 parts by mass of an organopolysiloxane containing, per molecule, at least two groups each capable of binding to a silicon atom, wherein the at least two groups are independently selected from a hydroxyl group and an alkoxy group; (B) 0.1 to 50 parts by mass of a surfactant; (C) 0.01 to 10 parts by mass of at least one substance selected from cellulose and a cellulose derivative; (D) 0.5 to 50 parts by mass of colloidal silica; and (E) 50 to 1,000 parts by mass of water.

A porous membrane includes a polymer which includes one or more structural units selected from the group consisting of a structural unit represented by Formula (I) and a structural unit represented by Formula (II), in which a content of the structural unit represented by Formula (II) is 1% by mass or more and less than 10% by mass with respect to a total mass of the structural unit represented by Formula (I) and the structural unit represented by Formula (II) ##STR00001##

Provided is novel porous cellulose having functionality that is not imparted to porous cellulose composed of unsubstituted cellulose, and a method for producing the same. Porous cellulose containing: unsubstituted cellulose; and a glucose unit-containing polymer excluding unsubstituted cellulose, wherein a content of the polymer is not more than 20 mass % in 100 mass % of a total of the polymer and the unsubstituted cellulose.

Disclosed are a sustained-release injection formulation containing a biodegradable polymer microcapsule that contains a conjugate of poly-L-lactic acid (hereinafter referred to as “PLLA”) filler and hyaluronic acid (hereinafter referred to as “HA”) and contains a PLLA-HA microcapsule, and a method of preparing the same.

The present disclosure relates to powdered, rehydratable, bacterial cellulose formulations comprising methods of production and uses thereof. In particular the use of the formulation as a colloid stabilizer, foam stabilizer, or as a thickener, as a reinforcer material (as a filler), a dietary fibre, a foodstuff, a cosmetic or pharmaceutical composition, a composite, among others. An aspect of the present subject matter discloses a powdered formulation, comprising bacterial cellulose and an additional component (or third component) selected from the following list: sodium carboxymethyl cellulose, carboxymethyl cellulose, xanthan, methylcellulose, methyl cellulose, hydroxyethyl-cellulose, hydroxyethyl-cellulose, hydroxypropyl methyl cellulose, hydroxypropyl methylcellulose, tylose, glycerol, saccharose, or mixture thereof; wherein the powdered formulation is dispersible in an aqueous media, at 20° C., with low shear mixing.

Disclosed are a sustained-release injection formulation containing a biodegradable polymer double microcapsule that contains a conjugate of poly-L-lactic acid (hereinafter referred to as “PLLA”) filler and hyaluronic acid (hereinafter referred to as “HA”) and is capable of controlling the release rate of PLLA, and a method of preparing the same.

A method for preparing keratin-based composites includes mixing polysaccharide nanoparticles and a keratin solution to form a nanoparticle-keratin solution; and solvent casting the nanoparticle-keratin solution to form the keratin-based composites.

The present invention pertains to a vinylidene fluoride polymer, to a process for manufacturing said vinylidene fluoride polymer and to an article comprising said vinylidene fluoride polymer.