3,3′,4,4′-biphenyltetracarboxylic dianhydride/bpda cas 2420-87-3

Assay: 99.0%~101.0% (anhydrous substance)
Appearance: white powder
Capacity: 300tons/year
Packaging: 25kgs/drum
Sample: available

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3,3′,4,4′-Biphenyltetracarboxylic Dianhydride (BPDA) CAS 2420-87-3: Comprehensive Technical Guide

1. Product Overview & Comparative Analysis

Parameter BPDA PMDA BTDA
CAS Number 2420-87-3 89-32-7 2421-28-5
Melting Point 298-302°C 286°C 230-234°C
Thermal Stability >500°C 450°C 400°C

BPDA demonstrates superior thermal resistance and mechanical stability compared to alternative dianhydrides, making it ideal for high-performance polyimide synthesis.

2. Industrial Applications & Functional Advantages

Core Applications:

  • High-temperature resistant polyimide films
  • Advanced composite matrices for aerospace
  • Microelectronic encapsulation materials
  • Liquid crystal alignment layers

Technical Benefits:

  • Enables glass transition temperatures (Tg) exceeding 400°C
  • Enhances dielectric strength (20-25 kV/mm)
  • Improves tensile modulus (3.5-4.5 GPa)

3. Implementation Case Studies

Case 1: Flexible Printed Circuit Manufacturing

A global electronics manufacturer achieved 35% weight reduction in flexible circuits using BPDA-derived polyimedes, maintaining functionality at 300°C continuous operation.

Case 2: Satellite Component Production

Space-grade composite materials incorporating BPDA demonstrated 98% UV resistance retention after 5,000 hours of LEO simulation testing.

4. Client Success Stories

Client A: Advanced Materials Corporation

  • Industry: Aerospace composites
  • Challenge: Required materials stable at 500°C for reusable launch systems
  • Solution: Custom BPDA formulation achieving 2,000 thermal cycles without degradation

Client B: Semiconductor Technologies Ltd.

  • Application: Chip-scale packaging
  • Result: Achieved 0.08% thermal expansion coefficient mismatch
  • Yield Improvement: 22% increase in wafer-level reliability

5. Technical Consultation & Custom Solutions

Contact our material science specialists for application-specific formulations:

Request formulation analysis or request material safety data sheets (MSDS):

  • Custom purity grades (99.5%-99.99%)
  • Bulk packaging solutions (25kg drums to ISO containers)
  • Regulatory compliance documentation support

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