Patent classifications
C08F8/18
Anion exchange membranes and polymers for use in same
Embodiments of the invention relate generally to anion exchange membranes and, more particularly, to anion exchange membranes comprising a styrene block copolymer and methods for their manufacture. In one embodiment, the invention provides a polymer according to formula IV, wherein x and y are mo 1 %, QA is or each of R.sub.1 and R.sub.2 is, independently, a linear alkyl chain or a cyclic alkyl chain, and Z is selected from a group consisting of: a linear alkyl chain, a cyclic alkyl chain, and an alkylene ether chain.
Renewable source-derived polymer oil macroinitiators and thermoplastic block copolymers derived therefrom
Compositions comprising renewable source derived polymer oil polymerization macroinitiators and multiblock polymer compositions derived therefrom by atom transfer radical polymerization are disclosed. Hard, glossy multiblock copolymers, thermoset multiblock copolymers, thermoplastic block copolymer elastomers, and methods of making and using these types of materials are disclosed.
Radiopaque polymers
A polymer having a backbone comprising a polyhydroxylated polymer cross linked by a C3 to C8 diacid.
Radiopaque polymers
A polymer having a backbone comprising a polyhydroxylated polymer cross linked by a C3 to C8 diacid.
POLYAMIDE NANOPARTICLES AND USES THEREOF
Nanoparticles of N-halamine-derivatized crosslinked polyamide. Process of preparing the polymeric nanoparticles per se and incorporated in or on a substrate. Uses of the polymeric nanoparticles and of substrates incorporating same, particularly for reducing a formation of organic-based contaminants, e.g., load of a microorganism or of a biofilm.
POLYAMIDE NANOPARTICLES AND USES THEREOF
Nanoparticles of N-halamine-derivatized crosslinked polyamide. Process of preparing the polymeric nanoparticles per se and incorporated in or on a substrate. Uses of the polymeric nanoparticles and of substrates incorporating same, particularly for reducing a formation of organic-based contaminants, e.g., load of a microorganism or of a biofilm.
POLYMER PRODUCTION METHOD AND RADICAL POLYMERIZATION INITIATING GROUP-CONTAINING COMPOUND
The present invention provides: a novel production technique that enables production of a polymer whose molecular weight and molecular weight distribution are controlled and production of a polymer having a complicated structure in a desirably controlled manner using commercially available materials without using a radical polymerization initiator or a special material for use in living radical polymerization and without the need for strict polymerization conditions; and a radical polymerization initiating group-containing compound for use in the technique. The present invention relates to: a method for producing a polymer, the method including a polymerization step of mixing and warming (1) a radically polymerizable monomer, (2) an organic compound wherein at least one group that functions as a group for initiating polymerization of the monomer and that has a structure represented by formula 1 or formula 2 (X in the formula represents Cl or Br) is introduced in a molecule of the organic compound, and (3) an iodine-containing compound, thereby initiating, from the group having the structure, radical polymerization accompanied by a termination reaction; and the organic compound of (2) for use in the method.
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POLYMER PRODUCTION METHOD AND RADICAL POLYMERIZATION INITIATING GROUP-CONTAINING COMPOUND
The present invention provides: a novel production technique that enables production of a polymer whose molecular weight and molecular weight distribution are controlled and production of a polymer having a complicated structure in a desirably controlled manner using commercially available materials without using a radical polymerization initiator or a special material for use in living radical polymerization and without the need for strict polymerization conditions; and a radical polymerization initiating group-containing compound for use in the technique. The present invention relates to: a method for producing a polymer, the method including a polymerization step of mixing and warming (1) a radically polymerizable monomer, (2) an organic compound wherein at least one group that functions as a group for initiating polymerization of the monomer and that has a structure represented by formula 1 or formula 2 (X in the formula represents Cl or Br) is introduced in a molecule of the organic compound, and (3) an iodine-containing compound, thereby initiating, from the group having the structure, radical polymerization accompanied by a termination reaction; and the organic compound of (2) for use in the method.
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METHOD OF PRODUCING (METH)ACRYLOYL-TERMINATED POLYISOBUTYLENE POLYMER
A method for producing a (meth)acryloyl-terminated polyisobutylene polymer includes a step 1 of polymerizing an isobutylene monomer under the presence of a Lewis acid catalyst to prepare a halogen-terminated polyisobutylene polymer (B), a step 2 of reacting the halogen-terminated polyisobutylene polymer (B) with a compound (C) having a halogen group and a phenoxy group under the presence a Lewis acid catalyst to prepare a halogenated phenoxyalkyl-terminated polyisobutylene polymer (D), and a step 3 of reacting the halogenated phenoxyalkyl-terminated polyisobutylene polymer (D) with an acrylic acid compound (E) to prepare the (meth)acryloyl-terminated polyisobutylene polymer (A).
METHOD OF PRODUCING (METH)ACRYLOYL-TERMINATED POLYISOBUTYLENE POLYMER
A method for producing a (meth)acryloyl-terminated polyisobutylene polymer includes a step 1 of polymerizing an isobutylene monomer under the presence of a Lewis acid catalyst to prepare a halogen-terminated polyisobutylene polymer (B), a step 2 of reacting the halogen-terminated polyisobutylene polymer (B) with a compound (C) having a halogen group and a phenoxy group under the presence a Lewis acid catalyst to prepare a halogenated phenoxyalkyl-terminated polyisobutylene polymer (D), and a step 3 of reacting the halogenated phenoxyalkyl-terminated polyisobutylene polymer (D) with an acrylic acid compound (E) to prepare the (meth)acryloyl-terminated polyisobutylene polymer (A).