A composite material includes a porous foam, having a density of less than 1 g/cm.sup.3, with a polymer matrix including chitosan, chitin, or chitosan oligosaccharide, and a first laminate adhered to a first surface of the porous foam.

A method of reducing or limiting tissue adhesion comprises contacting the tissue with an effective amount of a hydrogel composition comprising: 2% to 6% by weight hyaluronan, and 3% to 18% by weight methylcellulose, wherein the combined total amount of hyaluronan and methylcellulose in the hydrogel is between 8 and 24% by weight; and wherein the ratio of hyaluronan:methylcellulose is between 1:1 and 1:5 w/w. The hydrogel composition and may be used to reduce or limit tissue adhesion that is correlated with surgery, and may be used in surgeries wherein the surgery is performed through a small incision or opening.

An oyster paper and a manufacturing method thereof are provided. The oyster paper is made of 60%-70% oyster shell powder, 10%-20% polymer, 15%-17% natural biodegradation inducing agent, and 3%-5% natural biodegradation assisting additive agent, by volume ratio, which are subjected to mixing and pre-melting processing, followed by compounding and pelletizing to prepare oyster paper pellets, which are then subjected to film blowing processing to be film-blown into an oyster paper product having a thickness of 0.05-0.5 millimeters. The oyster paper possesses the quality of wood pulp paper and shows bettered stiffness and wider applications. The oyster paper also provides, after being disposed and buried, an effect of being 100% natural degradation into compost for fertilizing the soil. As such, a kind of oyster paper featuring recycling and reuse of oceanic creature waste shell and natural microorganism induced degradation for composting and recycling and a manufacturing method thereof are provided.

Textile compositions comprising at least one filamentous fungus are disclosed, as are methods for making and using such textile compositions. Embodiments of the textile compositions generally include at least one of a plasticizer, a polymer, and a crosslinker, in addition to the filamentous fungus. The disclosed textile compositions are particularly useful as analogs or substitutes for conventional textile compositions, including but not limited to leather.

A method for preparing an aerogel comprising nano attapulgite and phenolic aldehyde and a method for preparing abrasion-resistant vehicle tire. 80-100 weight distributions of rubber, 3-8 weight distributions of SiO.sub.2.nH.sub.2O, 3-6 weight distributions of an anti-aging agent, 3-4 weight distributions of a heat stabilizer, 3-5 weight distributions of a compatibilizing agent, and 3-12 weight distributions of the aerogel comprising the nano attapulgite and the phenolic aldehyde is selected as a raw material of the abrasion-resistant rubber material to prepare rubber composite material for the abrasion-resistant vehicle tire.

The present disclosure provides a hydrogel that has excellent drug delivery ability, is pH-dependent, is biocompatible, and has its own anticancer efficacy as well as biodegradability, and a method for preparing the same. Specifically, the present disclosure provides a hydrogel including carboxymethyl-chitosan (CM-CS) and a hydrophilic synthetic polymer wherein the hydrogel is crosslinked by electron beam irradiation, and a method for preparing the same.

Textile compositions comprising at least one filamentous fungus are disclosed, as are methods for making and using such textile compositions. Embodiments of the textile compositions generally include at least one of a plasticizer, a polymer, and a crosslinker, in addition to the filamentous fungus. The disclosed textile compositions are particularly useful as analogs or substitutes for conventional textile compositions, including but not limited to leather.

A polymeric hydrogel microparticle that contains polyacrylamide and chitosan, the chitosan uniformly incorporated in a polyacrylamide matrix. The microparticle, having a coefficient variation of 0 to 2% and containing macropores with an average size of 1 to 60 nm, is capable of transporting biomolecules conjugated to it. Also disclosed are a method of fabricating such a microparticle in a micromold via photo-induced radical polymerization and a one-pot method of conjugating biomolecules to polymeric hydrogel microparticles.

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 invention relates to a multilayer film including a substrate film, a biopolymer-based gas and/or water vapor barrier coating and optionally additional layers such as metal or metal oxide barrier layers and so-called primers that is applied to any one film layer to promote the adhesion another film layer or to printing inks, that can be used for many different applications, in particular the food and biomedical fields.