Information @ a Glance

Contents

• Polyelectrolytes are polymers whose repeating units bear an electrolyte group. These groups will dissociate in aqueous solutions (water), making the polymers charged. Polyelectrolyte properties are thus similar to both electrolytes (salts) and polymers (high molecular weight compounds), and are sometimes called polysalts. Like salts, their solutions are electrically conductive. Like polymers, their solutions are often viscous.
• Polyelectrolytes are both inorganic and organic exhibiting both flocculation and deflocculation properties. Inorganic polyelectrolytes exhibitingsedi­mentation properly are coagulants rather than flocculants, whereas organic polyele­ctrolytes, exhibiting sedimentation, property, are invariably high molecular weight synthetic polymers. Inorganic flocculants are salts of multivalent metals like aluminium and iron. The process of sedimentation these salts exhibit is totally different from the organic types.
• Polyelectrolytes which contain both acidic (cationic) and basic (anionic) functional groups are known as polyampholytes. Often, these polymers undergo aqueous dissolution only in the presence of salt and coil dimensions increase as the ionic strength of the solution increases. This is primarily due to the screening of attractive electrostatic interactions within the polymer coils. As one might guess, this behavior may be advantageous to applications where a viscosifying agent in saline environments is necessary.
• Polymers with bound positive or negative charges are referred to as polyelectrolytes, macroions, or polyions. These polymers may be synthetic, natural or modified. the synthetic polyelectrolytes include polymers that can be made by several methods, the major one being chain growth polymerization. The distinctive behavior of polyelectrolytes in aqueous solutions is what separates this class of polymers from non-ionic polymers.
• Polyelectrolytes are polymers with ionizable groups that can dissociate in solution, leaving ions of one sign bound to the chain and counterions in solution. They are of direct practical significance mainly because they are soluble in water, in contrast to most neutral hydrocarbon polymers, which are only soluble in organic solvents.
• Polyelectrolytes have many applications, mostly related to modifying flow and stability properties of aqueous solutions and gels. For instance, they can be used to either stabilize colloidal suspensions, or to initiate flocculation (precipitation). They can also be used to impart a surface charge to neutral particles, enabling them to be dispersed in aqueous solution. They are thus often used as thickeners, emulsifiers, conditioners, flocculents, and even drag reducers. They are used in water treatment and for oil recovery.
• Ultra-thin films were prepared by successive alternating adsorption of charged proteins and oppositely charged polyelectrolytes. After covalent crosslinking, stable protein films were obtained by washing out covalently non-bound polyelectrolytes. Films consisting of proteins and polyelectrolytes were prepared from polyelectrolytes bearing reactive chemical groups.
• In 2003 there were more than 7 players in the US Biodegradable polymer market. The U.S. biodegradable polymer market revenues were estimated at $27.0 million, corresponding to 22.9 million pounds of unit shipment. The U.S. biodegradable polymer market revenue is forecast to grow to $67.8 million in 2010 at a compound annual growth rate (CAGR) of 12.2 percent.

• Polyelectrolyte
• Polyelectrolyte solutions
• Polyelectrolyte coagulants
• Hydrogels
• Polyelectrolyte Hydrogels
• Overview of Polyelectrolyte hydrogels
• Types of polyelectrolytes and manufacturing methods
• Polyelectrolytes and polyampholytes

Processing Technology

• Preparation and evaluation of chitosan-poly hydrogels
• Synthesis of PVA-PAA-HA interpenetrating composite hydrogel
• Poly(vinyl alcohol)/sulfonated polyester hydrogels produced by freezing and thawing technique
• Theory and numerical analysis of polyelectrolyte gels
• Controlling the physicochemical properties of weak polyelectrolyte multilayer films
• Polyelectrolyte-mediated assembly of copper phthalocyanine tetrasulfonate multilayers
• Reactive nitrogen and phosphorus removal from aquaculture wastewater effluents using
  polymer hydrogels
• Structural investigations of a neutralized polyelectrolyte gel
• Release of theophylline from polymer blend hydrogels

Functions and Properties

• Interaction of polyelectrolyte gels and surface active agents
• Induced crystallization of polyelectrolyte-surfactant complexes at the gas-water interface
• Properties of electroactive polymer gels
• Definition, properties and applications of polyelectrolytes
• Equilibrium swelling and kinetics of pH-responsive hydrogels
• Unusual salt stability in highly charged diblock co-polypeptide hydrogels
• Polymerized colloidal crystal hydrogel films as intelligent chemical sensing materials
• Hydration dynamics of polyelectrolyte gels with applications to cell motility and drug delivery
• Swelling and collapse of a weak polyelectrolyte as a function of PH
• Structure-property relations for polymeric materials
• Adsorption of polyelectrolyte onto a colloid of opposite charge
• Adsorption and depletion of polyelectrolyte from charged surfaces
• Dimensions of polyelectrolyte chains with multivalent counterions
• Dynamics of polyelectrolyte
• Polyelectrolyte multilayer capsules as vehicles with tunable permeability
• Proton binding characteristics of branched polyelectrolytes
• Characterisation of protein-polyelectrolyte complexes

Company Profiles

• Boltac Industries
• Chemifloc
• Hari Trading company
• Hybrid Systems Ltd.
• Noida Chemicals
• QTL Biosystems
• Sludge Technology Ltd.
• Trithin Products Limited
• Water Specialists technologies LLC

Consultants

• Consultants & Resumes
• Experts in polyelectrolyte
• Kevin Kennedy Associates

• Polyelectrolyte reinforced aerogels of clays as adsorbents
• Polymers in controlled drug delivery
• Polyelectrolytes for battery applications
• Foam films containing polyelectrolytes of different molecular architectures
• Development of self assembled polyelectrolyte membranes
• Application of polyelectrolyte theories for analysis of DNA melting in the presence of Na+ and Mg2+ ions
• Application of polyelectrolyte in turbidity removal from surface water

Patent 

• Polyelectrolytes
• Aggregated polyelectrolyte
• Atmospheric polyelectrolyte
• Casting of polyelectrolytes in hydrogel molds
• Polyelectrolyte cement
• Polyelectrolyte composition
• Polyelectrolyte derivatization of microfluidic devices
• Polyelectrolyte gel
• Novel polyelectrolytes
• Testing polyelectrolytes
• Polyelectrolyte membrane as separator for battery and fuel cell applications
• Method for the determination of specific gravity of fluids
• Ecofriendly cationic polyelectrolytes
• Polyelectrolyte solid system, method for the production thereof and a wound dressing
• Tuning the properties of conjugated polyelectrolytes and application in a biosensor platform

Products and Material Safety Data Sheet

• ArcticFloc AF12104
• Omniporter universal transfection reagent
• Dispersing alumina
• Cationic polyelectrolyte
• Liquid anionic polyelectrolyte
• Petroleum hydrocarbon solution of acrylamide copolymer
• Polyelectrolyte
• Lavasol
• Unicid catalyst
• Vinylbenzyl chloride

Market and Report

• US biodegradable polymer market
• American chemical society division of industrial and Engineering chemistry
• Biosensors - The stability problem
• Emulsified industrial oils recycling
• Industrial markets for starch
• A report on membrane activities in Europe and Israel

Manufacturers, Suppliers and Buyers

• Yixing Bluwat Chemicals Co., Ltd.
• Foreign suppliers of polyelectrolytes
• Indian exporters of polyelectrolyte
• Manufacturers of polyelectrolyte
• Sell offers of polyelectrolyte
• Sell trade leads of polyelectrolyte
• Selling leads of polyelectrolyte
• Indian suppliers of polyelectrolyte
• Indian buyers of polyelectrolyte