Description

4-Diazodiphenylaminesulfate/Formaldehyde Copolymer is a specialized photosensitive polymer synthesized from diazonium salts and formaldehyde. This compound is valued for its unique ability to generate patterns upon exposure to light, making it a critical functional material in advanced manufacturing processes. It is primarily sought by industries involved in the production of high-precision imaging systems, photoresists, and specialty coatings where controlled photochemical reactivity is essential.

Application

• Photoresist Formulation: A key component in positive-working photoresists for the semiconductor and printed circuit board (PCB) industries.
• Lithographic Plates: Used in the manufacture of offset printing plates for high-resolution graphic arts applications.
• Microfabrication: Enables pattern generation in micro-electromechanical systems (MEMS) and other micro-engineering processes.
• Specialty Coatings: Serves as a photosensitive agent in coatings for optical elements and security features.
• Chemical Amplification: Functions in advanced photopolymer systems designed for deep UV and other specific wavelength exposures.
• Research & Development: Utilized in academic and industrial R&D for developing new photopolymerization and imaging technologies.

Basic Information

Product Name	4-Diazodiphenylaminesulfate/Formaldehyde Copolymer
CAS No.	9070-36-4
Molecular Formula	(C12H11N3O4S • CH2O)x
Molecular Weight	Polymer - Variable
Synonyms	Diazodiphenylamine-Formaldehyde Condensate; Poly(4-diazodiphenylamine sulfate-co-formaldehyde); Photosensitive Diazonium Polymer; DDS-F Polymer; Diazoresin; Azopolymer; Photopolymer 9070-36-4; Light-Sensitive Polycondensate
EINECS	Contact for details

Quality Control

Our 4-Diazodiphenylaminesulfate/Formaldehyde Copolymer is manufactured under strict quality protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through a suite of analytical tests including spectroscopic identification, assay of active diazonium groups, and assessment of photosensitive properties. A Certificate of Analysis (COA) detailing purity, performance specifications, and test results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is strictly light-sensitive and must be protected from all light exposure during storage and handling to maintain its photosensitive activity. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown powder or solid
Identification (IR)	Conforms to structure
Active Diazonium Content	≥ 95.0%
Moisture Content	≤ 2.0%
Photosensitivity	Meets performance standard
Solubility	Soluble in specified polar solvents
Particle Size (if applicable)	Customizable

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