Description

4-(1,1-Dimethylethyl)Phenol, Formaldehyde, 4,4'-(1-Methylethylidene)Bis[Phenol], 1,3-Benzenediol Polymer CAS NO 65733-77-9 is a high-performance phenolic resin polymer, synthesized from key monomers including tert-butylphenol, bisphenol A, and resorcinol. This engineered polymer is valued for its exceptional thermal stability, chemical resistance, and robust mechanical properties, making it a critical component in demanding industrial applications. It is primarily sought by manufacturers in the coatings, adhesives, and advanced composite materials sectors for formulating durable, high-performance end products.

Application

• High-Temperature Resistant Coatings: Used as a binder in industrial and automotive coatings that must withstand extreme thermal and chemical exposure.
• Structural Adhesives and Sealants: Serves as a key resin component in formulations requiring superior bonding strength, durability, and environmental resistance.
• Friction Materials: Employed in the production of brake pads and clutch facings due to its thermal stability and binding properties.
• Molding Compounds: Utilized in phenolic molding compounds for electrical components, appliance handles, and other engineered plastic parts.
• Composite Materials: Acts as a matrix resin in fiber-reinforced composites for aerospace, automotive, and construction applications.
• Foundry Binders: Used in sand casting processes as a core and mold binder for metal casting.
• Oilfield Chemicals: Incorporated into formulations for downhole tools and proppants requiring chemical inertness.
• Electrical Laminates: A component in the production of printed circuit board (PCB) substrates and other electrical insulating materials.

Basic Information

Product Name	4-(1,1-Dimethylethyl)Phenol, Formaldehyde, 4,4'-(1-Methylethylidene)Bis[Phenol], 1,3-Benzenediol Polymer
CAS No.	65733-77-9
Molecular Formula	(C10H14O·CH2O·C15H16O2·C6H6O2)n
Molecular Weight	Polymer - varies by grade
Synonyms	Phenolic Resin from tert-Butylphenol, Bisphenol A, and Resorcinol; tert-Butylphenol-Bisphenol A-Resorcinol-Formaldehyde Polymer; TBP-BPA-RES-F Resin; Modified Phenolic Resin; High-Performance Phenolic Polymer; Thermosetting Phenolic Resin; Novolac-type Resin (modified); Alkylphenol-Formaldehyde Resin
EINECS	Contact for details

Quality Control

Our production of this phenolic resin polymer adheres to strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure consistent performance characteristics such as molecular weight distribution, softening point, and reactivity. Certificates of Analysis (COA) detailing key specifications are provided with every shipment to guarantee product integrity and traceability for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and open flame. This product may be hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture absorption and potential property changes.

Specification

Item	Specification
Appearance	Yellow to brown flakes or powder
Softening Point (Ring & Ball)	85 - 110 °C
Gel Time (at 150°C)	60 - 120 seconds
Free Formaldehyde	< 0.1 %
Free Phenol	< 0.5 %
Volatile Content	< 1.0 %
Hexamine Insolubles	< 1.0 %

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