Degradable extruded nettings are provided. Degradable extruded nettings may include a plurality of interconnected strands, at least some of the strands being made from a polymeric blend, the polymeric blend including a polylactic acid polymer composition, polybutylene succinate, and a degradation additive, the degradation additive including a degrader in a carrier resin are provided. Grass sod and methods for preparing grass sod using such degradable extruded nettings are also provided.

A composition comprising a continuous thermoplastic polymer matrix having a melting point greater than 110° C. and, distributed within the matrix, particles of hydrophilic natural fiber material having a sieved size of less than 1.0 mm, the weight ratio of the thermoplastic polymer to the wood particles being from 99:1 to 35:65. An improvement in biodegradability of biopolymers, such as PLA, can be achieved. On the other hand, the addition of wood fibers enhances the material's ability to resist thermal deformation. The present compositions can be used for manufacturing hollow structures, by injection blow molding, of bottles with a wall thickness between 0.1 mm and 5 mm, in particular from 0.3 to 1 mm or continuous extruded products with a wall thickness from 0.3 mm to 1.5 mm.

Resin particles include mother particles containing a biodegradable resin and a plasticizer, in which an amount of a metal element having an ionic valence of 2 or more, obtained by fluorescent X-ray analysis, is 0.002% by mass or more and 2.0% by mass or less with respect to a total amount of the resin particles.

Resin particles include mother particles containing a biodegradable resin, and a coating layer containing at least one selected from the group consisting of a quaternary ammonium salt-containing polymer, polyacrylamide, polyvinylpyrrolidone, and polylysine on a surface of the mother particles.

A biodegradable polymeric composition for food contact applications is disclosed. This polymeric composition includes at least (1) from about 5 weight percent to about 95 weight percent poly(hydroxyalkanoates); (2) from about 5 weight percent to about 95 weight percent of at least one biodegradable polymer selected from the group consisting of poly(butylene succinate), poly(butylene succinate-co-adipate), poly(butylene adipate-co-terephthalate, poly(caprolactone), poly(lactic acid), cellulose esters (such as cellulose acetate) thermoplastic starch, and mixtures thereof; and (3) from about 0.1 weight percent to about 5 weight percent of a nucleating agent.

Biodegradable thermoformed articles are disclosed. The thermoformed articles are formed from a biodegradable polymer composition. The polymer composition contains a cellulose ester polymer, a plasticizer, and one or more other additives. Thermoformed articles can be made in accordance with the present disclosure having low haze and high clarity.

The present invention relates to a wound dressing material comprising a fibrillated acellular dermis matrix and a biodegradable polymer aqueous solution and, more specifically, to: a wound dressing material comprising 5-20 wt % of a fibrillated acellular dermis matrix, 0.5-5 wt % of a biodegradable polymer, and 75-94.5 wt % of water; and a preparation method therefor.

Described herein are compositions including a first polysaccharide having at least one substituent selected from —(CH.sub.2).sub.pO—X and —O—(CH.sub.2).sub.q—X, wherein X is —COOH, —NH.sub.2, or C.sub.2-C.sub.10 alkenyl, each p is independently an integer of 0-10, and each q is independently an integer of 0-10, a second polysaccharide having at least one substituent selected from —(CH.sub.2).sub.sO—Y and —O—(CH.sub.2).sub.t—Y, wherein Y is

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each s is independently an integer of 0-10, and each t is independently an integer of 0-10, wherein the first polysaccharide and the second polysaccharide are coupled to each other through at least one crosslink formed between at least one X and at least one Y, and at least one of the following: at least one fiber reinforcing material, at least one curing accelerator, at least one coupling agent, or combinations thereof. Also described are methods of making such compositions and articles made of such compositions.

The present invention relates to a method of making biopolymer including but not limited to bio plastic from animal by-products, more specifically from poultry feathers wherein the method of making a biopolymer comprises the steps: i) i) pre-treatment of native feathers; ii) extraction of keratin protein from pre-treated feathers in the presence of reducing agent; iii) polymerization by blending keratin protein with one or more plasticizer, one or more additive and one or more cross-linking agent, optionally in presence of at least one alkali hydroxide to obtain a polymer compound using one or more thermal processing techniques at a temperature in the range of 60° C. to 150° C.; and iv) applying pressure and subjecting the polymer compound to thermal processing at a temperature in the range of 100° C. to 220° C. in presence of at least one or more excipients.

An object of the present invention is to provide a cellulose acetate with excellent biodegradability in seawater.

A cellulose acetate having a total degree of acetyl substitution of not greater than 2.7, a ratio τ of a sum of a degree of acetyl substitution at the 2-position and a degree of acetyl substitution at the 3-position to a degree of acetyl substitution at the 6-position in the total degree of acetyl substitution of not less than 2.0, and a sulfate component amount of greater than 20 ppm and not greater than 400 ppm.