초록

Rigid-rod macromonomers, and methods for preparing such macromonomers, having a polyaromatic backbone, solubilizing side groups, and reactive side groups are provided. The macromonomers are chemically incorporated into polymer systems to provide stronger, stiffened polymers.

대표청구항 ▼

[ What is claimed is:] [1.] A soluble rigid-rod macromonomer of the formula: [ STR 29 ] wherein each A.sub.1, A.sub.2, A.sub.3, and A.sub.4, on each monomer unit, independently, is C or N; each G.sub.1, G.sub.2, G.sub.3, and G.sub.4, on each monomer unit, independently, is selected from the group co

[ What is claimed is:] [1.] A soluble rigid-rod macromonomer of the formula: [ STR 29 ] wherein each A.sub.1, A.sub.2, A.sub.3, and A.sub.4, on each monomer unit, independently, is C or N; each G.sub.1, G.sub.2, G.sub.3, and G.sub.4, on each monomer unit, independently, is selected from the group consisting of H, solubilizing side groups, reactive side groups, and reactive solubilizing side groups, provided that (1) at least one monomer unit has at least one solubilizing side group and at least one monomer unit has at least one reactive side group, or (2) at least one monomer unit has at least one reactive solubilizing side group, wherein said solubilizing side groups and reactive solubilizing side groups provide said macromonomers with a solubility of at least 0.5% by weight in the solvent system from which they are formed, wherein said reactive side groups and reactive solubilizing side groups are selected from the group consisting of acetals from ethylvinyl ether, acetylenes, acid anhydrides, acrylamides, acrylates, alkyl aldehydes, primary amines, quaternary amines, aryl aldehydes, azides, benzocyclobutenes, biphenylenes, carbonates, carboxylic acids and their salts, carboxylic acid halides, cyanates, epoxides, fulvenes, heteroaryls, hydrazines, hydroxylamines, imines, isocyanates, ketals, maleimides, nadimides, phenols, phosphates, phosphonates, silicates, sulfonic acids and their salts, sulfonyl halides, tetrahydropyranyl ethers, urethanes, and vinyl ethers; and provided that when any of A.sub.1, A.sub.2, A.sub.3, and A.sub.4 is N, the corresponding G.sub.1, G.sub.2, G.sub.3, or G.sub.4 is nil; the macromonomer has a degree of polymerization, DP.sub.n, greater than 6; adjacent monomer units are oriented head-to-head, head-to-tail, or randomly; and the bonds between adjacent monomer units are para to each other.