Compositions comprised of an amphiphilic block polymer, configured to form multi-micellar structures having hydrophilic and hydrophobic domains, and uses same for encapsulating therein active agents such as hydrophobic therapeutic agents, are disclosed. The disclosed compositions are useful e.g., for orally delivering the active agent encapsulated therein and may further be used for controllably releasing the agents in the physiological environment.

Compositions comprised of an amphiphilic block polymer, configured to form multi-micellar structures having hydrophilic and hydrophobic domains, and uses same for encapsulating therein active agents such as hydrophobic therapeutic agents, are disclosed. The disclosed compositions are useful e.g., for orally delivering the active agent encapsulated therein and may further be used for controllably releasing the agents in the physiological environment.

A graft copolymer composition comprising the following structure: ##STR00001##
wherein: A.sub.x represents a polymer backbone having a number of polymerized monomer units x; [B.sub.y] represents a multiplicity of a graft polymer side chain having a number of polymerized monomer units y, and at least a portion of the monomer units in B.sub.y contains a group —C(O)OM, with M independently selected from H and alkali metals; [C] represents a multiplicity of positions on the polymer backbone A.sub.x where the graft polymer side chain B or any other graft polymer side chain is not attached; the subscript w represents a grafting density of the group B.sub.y, wherein w is an integer within a range of 10-50%; and the subscript z represents a density of the group C, wherein z=(100−w) %. The invention is also directed to lithium-ion batteries in which the above-described composition is incorporated in an anode of the battery.

A graft copolymer composition comprising the following structure: ##STR00001##
wherein: A.sub.x represents a polymer backbone having a number of polymerized monomer units x; [B.sub.y] represents a multiplicity of a graft polymer side chain having a number of polymerized monomer units y, and at least a portion of the monomer units in B.sub.y contains a group —C(O)OM, with M independently selected from H and alkali metals; [C] represents a multiplicity of positions on the polymer backbone A.sub.x where the graft polymer side chain B or any other graft polymer side chain is not attached; the subscript w represents a grafting density of the group B.sub.y, wherein w is an integer within a range of 10-50%; and the subscript z represents a density of the group C, wherein z=(100−w) %. The invention is also directed to lithium-ion batteries in which the above-described composition is incorporated in an anode of the battery.

A graft copolymer composition comprising the following structure: ##STR00001##
wherein: A.sub.x represents a polymer backbone having a number of polymerized monomer units x; [B.sub.y] represents a multiplicity of a graft polymer side chain having a number of polymerized monomer units y, and at least a portion of the monomer units in B.sub.y contains a group —C(O)OM, with M independently selected from H and alkali metals; [C] represents a multiplicity of positions on the polymer backbone A.sub.x where the graft polymer side chain B or any other graft polymer side chain is not attached; the subscript w represents a grafting density of the group B.sub.y, wherein w is an integer within a range of 10-50%; and the subscript z represents a density of the group C, wherein z=(100−w) %. The invention is also directed to lithium-ion batteries in which the above-described composition is incorporated in an anode of the battery.

A starch-containing microsphere has a particle size that exhibits polydispersity with uniform distribution in a particle size concentrated distribution interval. The particle size distribution in the particle size concentrated distribution interval has the following features: equal division of the particle size concentrated distribution interval into n intervals, and a microsphere percentage in each interval is formula (I),

[00001]$\begin{array}{cc}\frac{100}{n}.Math..Math.\%\frac{1.Math.0}{n}.Math..Math.\%,& \left(I\right)\end{array}$

where n is an integer greater than 1. The preparation method of the starch-containing microsphere includes: first reacting starch with a low concentration of epichlorohydrin, and then reacting the resultant product with a surfactant, followed by final crosslinking to give microspheres. The starch-containing microspheres thus prepared are polydisperse starch-containing microspheres with a uniform particle size distribution, with the particle size being in a range of 0.1-500 m.

The present invention relates to a method of preparing grafted copolymers of lignin and/or cellulose, comprising the generation of macroradicals in situ by mechanical impact on the backbone of said lignin and/or cellulose of said lignin and/or cellulose containing material and grafting monomers and/or polymers to said backbone. Furthermore, the present invention relates to the grafted copolymers obtainable by said method, composite materials comprising said copolymers as well as to uses thereof.

The present invention relates to a method of preparing grafted copolymers of lignin and/or cellulose, comprising the generation of macroradicals in situ by mechanical impact on the backbone of said lignin and/or cellulose of said lignin and/or cellulose containing material and grafting monomers and/or polymers to said backbone. Furthermore, the present invention relates to the grafted copolymers obtainable by said method, composite materials comprising said copolymers as well as to uses thereof.

A deliming composition and a deliming method using graft polymers from polysaccharides and/or polypeptides or the corresponding derivatives, obtainable by radical polymerization of a monomer, selected at least from, or a monomer mixture of, acrylic acid or methacrylic acid or the mixtures thereof.

A deliming composition and a deliming method using graft polymers from polysaccharides and/or polypeptides or the corresponding derivatives, obtainable by radical polymerization of a monomer, selected at least from, or a monomer mixture of, acrylic acid or methacrylic acid or the mixtures thereof.