Description

Poly(2-Vinyl Pyridine)-B-Polystyrene-B-Poly(2-Vinyl Pyridine) is a well-defined, amphiphilic triblock copolymer with a central hydrophobic polystyrene block flanked by two hydrophilic poly(2-vinyl pyridine) blocks. This precise architecture is critical for creating advanced nanostructures and functional materials with tunable properties. It is an essential material for researchers and product developers in nanotechnology, advanced coatings, and specialty polymer synthesis who require precise control over self-assembly and interfacial behavior.

Application

• Nanostructure Templating: As a structure-directing agent for the synthesis of mesoporous silica, carbon, or metal oxides with controlled pore size and morphology.
• Polymer Electrolyte Membranes: A key component in the development of anion exchange membranes (AEMs) for fuel cells and electrolyzers.
• Stabilizers and Dispersants: For stabilizing nanoparticles, carbon nanotubes, or graphene in various solvent systems due to its amphiphilic nature.
• Drug Delivery Systems: Formulation of polymeric micelles or vesicles for the controlled release of active pharmaceutical ingredients (APIs).
• Advanced Lithography: Use as a high-performance block copolymer resist for next-generation nanopatterning in semiconductor manufacturing.
• Composite Materials: Modification of surface properties and improvement of interfacial adhesion in polymer composites and hybrid materials.
• Sensor Platforms: Fabrication of responsive thin films and surfaces for chemical or biological sensing applications.

Basic Information

Item	Details
Product Name	Poly(2-Vinyl Pyridine)-B-Polystyrene-B-Poly(2-Vinyl Pyridine)
CAS No.	24980-54-9
Molecular Formula	(C7H7N)x-(C8H8)y-(C7H7N)z
Molecular Weight	Variable (Depends on block lengths). Contact for details.
Synonyms	P2VP-b-PS-b-P2VP; Poly(2-vinylpyridine)-block-polystyrene-block-poly(2-vinylpyridine); 2VP-b-S-b-2VP; Triblock copolymer of 2-vinylpyridine and styrene; PS-b-P2VP-b-PS; Amphiphilic triblock copolymer; VPy-b-St-b-VPy; Poly(styrene-block-2-vinylpyridine-block-styrene)
EINECS	Contact for details.

Quality Control

Our Poly(2-Vinyl Pyridine)-B-Polystyrene-B-Poly(2-Vinyl Pyridine) is synthesized under controlled conditions to ensure batch-to-batch consistency. Each lot is characterized to confirm critical parameters such as molecular weight, polydispersity index (PDI), and block composition. Certificates of Analysis (COA) detailing these specifications are provided and available upon request to support your R&D and quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is sealed under an inert atmosphere such as nitrogen or argon after opening to prevent moisture uptake and degradation.

Specification

Item	Specification
Appearance	White to off-white solid or powder
Identification (IR)	Conforms to structure
Total Molecular Weight (Mn)	As per customer grade (e.g., 10k-200k Da)
Polydispersity Index (PDI)	≤ 1.20 (by GPC)
Block Ratio (P2VP:PS:P2VP)	As per customer grade (e.g., 20:60:20)
Residual Monomer	< 0.5% (by HPLC)
Moisture Content	< 1.0% (by KF Titration)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.