Abstract: The present invention relates to water-dispersive biodegradable compositions which may be formed into films and fibers. The present invention also relates to polymer blends comprising polylactide and water-soluble polymers. More particularly, the present invention relates to the use of grafted copolymers (PLA-grafted water-soluble polymers) for the compatibilization of PLA and water-soluble polymers. Such reactive compatibilization of immiscible polymer blends is achieved in such a way that main blend components are covalently bonded. In addition, such reactive compatibilization can be carried out by reactive extrusion.

Abstract: The present invention relates to compositions comprising a blend of cellulose acetate and a water soluble polymer. In some embodiments, the composition is water dispersive and/or biodegradable. Embodiments of the invention also relate to processes for preparing such compositions, and to materials and products including such compositions.

Abstract: The present invention relates to compositions comprising a blend of cellulose acetate 5 and a water soluble polymer. In some embodiments, the composition is water dispersive and/or biodegradable. Embodiments of the invention also relate to processes for preparing such compositions, and to materials and products including such compositions.

Abstract: The present invention relates to water-dispersive biodegradable compositions which may be formed into films and fibres. The present invention also relates to polymer blends comprising polylactide and water-soluble polymers. More particularly, the present invention relates to the use of grafted copolymers (PLA-grafted water-soluble polymers) for the compatibilization of PLA and water-soluble polymers. Such reactive compatibilization of immiscible polymer blends is achieved in such a way that main blend components are covalently bonded. In addition, such reactive compatibilization can be carried out by reactive extrusion.

Abstract: The invention relates to a method of treating an element made from wood, particularly end grain wood, comprising the following steps: immersion impregnation of the wood element in a bath containing an aqueous composition comprising at least one first component corresponding to a polyhydric alcohol and at least one second component corresponding to a blocked polyisocyanate which can react under certain conditions with the aforementioned first component in order to form a polyurethane, whereby the second component is non-reactive to the first component and is inert in relation to the water during the impregnation step; removal from the impregnation bath and dehydration of the wood element; and formation of a polyurethane network within the wood element thus impregnated by reacting the first component with the second component during a heat treatment process consisting in raising the temperature.