A graft copolymer (B-III) includes a rubbery polymer (A-III) that is a miniemulsion polymerization reaction product of an alkyl (meth)acrylate; and at least one monomer selected from aromatic vinyl compounds, (meth)acrylic acid esters, and vinyl cyanide compounds graft-polymerized onto the rubbery polymer (A-III).

Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.

Provided is a coating agent that can be formed into a surface layer having excellent self-restoring properties and stain-proof properties by applying the coating agent onto a surface of a base material (for example, thermoplastic polyurethane) and curing the resulting material. The coating agent according to the present application contains urethane (meth)acrylate-based resin (a), fluorine-based compound (b) and photopolymerization initiator (d). Urethane (meth)acrylate-based resin (a) has weight average molecular weight (Mw) of 10,000 to 800,000. Fluorine-based compound (b) has at least two polymerizable functional groups. The surface layer formed of the coating agent has excellent self-restoring properties of a scratch, stain-proof properties and stretchability.

A metal-oxygen battery and components of a metal-oxygen battery can include sulfamide, sulfoxy, carbonyl, phosphoramide or heterocyclic groups.

Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint.

The present disclosure provides a multilayer film. The multilayer film includes at least two layers including a sealant layer and a second layer in contact with the sealant layer. The sealant layer contains (A) a first ethylene-based polymer having a density from 0.900 g/cc to 0.925 g/cc and a melt index from 0.5 g/10 min to 30 g/10 min; and (B) a polyethylene-polydimethylsiloxane block copolymer having a weight average molecular weight from 1,000 g/mol to 10,000 g/mol. The second layer contains a second ethylene-based polymer.

Provided herein is a class of reversible thermal gel polymers, formulations thereof, methods for using, and methods for making said reversible thermal gel polymers. Reversible thermal gel polymers and formulations are provided having versatile chemical, physical, mechanical and/or optical properties beneficial for a range of applications including medical treatment. In some embodiments, the architecture and composition of the polymer allows for tunable selection of one or more physical properties supporting a particular application.

This application provides reactive, flexible, water-resistant hydroxyethylpyrrolidone methacrylate/glycidyl methacrylate copolymers having the structure: ##STR00001##
wherein a and b are integers, the sum of which less than 100, covalently linked to active agents that are useful in a wide variety of compositions. The present application also discloses hydroxyethylpyrrolidonemethacrylate/glycidyl methacrylate copolymer convently linked to one or more surface active moiety having a structure: ##STR00002##
wherein a, b, and c are integers, the sum of which equals 100, and M is a surface-active moiety.

A high-grafting density cyclic comb shaped polymer and its preparation method therefor. The method comprises the following steps: 1) synthesizing linear poly(pentafluorophenyl 4-vinylbenzoate) (l-PPF4VB.sub.4.0k); 2) performing photo-induced cyclization on the linear polymer to prepare the cyclic polymer (c-PPF4VB.sub.4.0k); 3) performing post modification on the cyclic polymer c-PPF4VB.sub.4.0k by using small molecules to prepare a functionalized cyclic polymer (c-P1); 4) then performing polymer post modification on the cyclic polymer (c-P1) by using an efficient click reaction to construct the high-grafting density cyclic comb shaped polymer (c-P1-g-PS); and 5) directly performing polymer post modification on the cyclic polymer c-PPF4VB.sub.4.0k by using macromolecules to construct a high-grafting density cyclic comb shaped polymer (c-PPF4VB.sub.4.0k-g-PEG), the obtained cyclic comb shaped polymer still remaining the characteristic of a narrow molecular weight distribution.

In various embodiments, the present invention is directed to new low cost initiator compositions for use with the production of well-defined telechelic PIBs (by LC.sup.+P of isobutylene). In various other embodiments, the present invention is directed to methods for using these novel compositions as initiators for isobutylene (IB) and other cationically polymerizable monomers, such as styrene and its derivatives. In still other embodiments, the present invention is directed to structurally new, allyl (and chlorine) telechelic PIBs formed from these new initiator compositions and their derivatives (in particular, hydroxyl telechelic PIB and amine telechelic PIB). In yet other embodiments, the present invention is directed to structurally new polyurethanes, polyureas, and polyurethane ureas made using telechelic PIBs formed from these new initiator compositions.