psppp cas 35398-70-0

Chemical Name:Poly[oxy(phenylphosphinylidene)oxy-1,4-phenylenesulfonyl-1,4-phenylene](PSPPP)
CAS No.: 35398-70-0
Molecular Formula:(C18H13O5PS)n
Molecular Weight:≧5000
Appearance:Brown gray to gary particles

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Table of Contents

PSPPP (CAS 35398-70-0) Overview

Key Specifications

Parameter Value
Chemical Formula (C6H4S)n
Molecular Weight Variable (Polymer)
Appearance Crystalline Powder
Density 1.34 g/cm³
Melting Point 285-290°C
Thermal Stability Continuous Use: 220°C

Technical Parameter Comparison

Property PSPPP PPA PEI
Chemical Resistance Excellent Good Moderate
Flame Retardancy UL94 V-0 UL94 HB UL94 V-1
Dielectric Strength 16 kV/mm 22 kV/mm 33 kV/mm

Industrial Applications

Primary Utilization Sectors

  • Automotive: Under-hood components, fuel system parts
  • Electronics: SMT components, connector housings
  • Aerospace: Cabin interior components, fluid handling systems
  • Industrial: Chemical processing equipment, pump components

Implementation Scenarios

Case 1: High-Temperature Sealing Solutions

PSPPP gaskets in turbocharger systems maintain integrity at 200°C continuous operation with 85% lower failure rate than traditional materials.

Case 2: Corrosion-Resistant Connectors

Automotive electrical connectors show 0% corrosion after 1,000hr salt spray testing (ASTM B117).

Client Success Stories

Automotive Tier-1 Supplier: Thermal Management

Major German manufacturer reduced engine bay component replacements by 62% using our PPPP-based thermal shields.

Electronics OEM: Miniaturization Solution

Japanese electronics company achieved 40% size reduction in sensor housings while maintaining UL94 V-0 compliance.

Consult Our Experts

Contact our material engineers for application-specific solutions:

Email: info@vivalr.com
Tel: (86) 15866781826

Request formulation sheets or request material samples for testing.

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