Description

Formaldehyde, Polymer With 4,4'-(1-Methylethylidene)Bis[Phenol] And 4-(1,1-Dimethylpropyl)Phenol is a specialized phenolic resin, a high-performance polymer synthesized from formaldehyde, bisphenol A, and p-tert-pentylphenol. This compound is engineered to deliver enhanced thermal stability, chemical resistance, and mechanical properties compared to standard phenolic resins. It is a critical raw material for manufacturers in the coatings, adhesives, and advanced composite materials industries seeking durable and reliable polymeric components.

Application

• High-Performance Industrial Coatings: Used as a binder in heat-resistant and chemically resistant coatings for automotive, aerospace, and industrial equipment.
• Advanced Composite Materials: Serves as a matrix resin or modifier in fiber-reinforced plastics (FRP) and other composites requiring superior strength and thermal properties.
• Specialty Adhesives and Sealants: A key component in formulating high-strength, durable adhesives for construction, automotive assembly, and electronics.
• Molding Compounds: Utilized in the production of thermoset molding powders for electrical components and engineered plastic parts.
• Friction Materials: Acts as a resin binder in brake pads and clutch facings, contributing to thermal stability and wear resistance.
• Foundry Resins: Employed in shell molding and core-making processes within the metal casting industry.

Basic Information

Product Name	Formaldehyde, Polymer With 4,4'-(1-Methylethylidene)Bis[Phenol] And 4-(1,1-Dimethylpropyl)Phenol
CAS No.	65733-73-5
Molecular Formula	(C15H16O2.C10H14O.CH2O)x
Molecular Weight	Polymer - Contact for details
Synonyms	Phenol, 4,4'-(1-methylethylidene)bis-, polymer with formaldehyde and 4-(1,1-dimethylpropyl)phenol; Phenolic resin from BPA, p-tert-pentylphenol and formaldehyde; Bisphenol A-Formaldehyde-p-tert-Pentylphenol copolymer; Modified phenolic resin; tert-Pentylphenol modified bisphenol A formaldehyde resin; Thermosetting phenolic resin; Novolac-type phenolic resin (modified)
EINECS	Contact for details

Quality Control

Our production of this phenolic resin adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as viscosity, gel time, softening point, and residual monomer content are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to amber flakes or solid
Softening Point (Ring & Ball)	85 - 105 °C
Gel Time (at 150°C)	60 - 120 sec
Free Formaldehyde	< 0.5 %
Free Phenol	< 1.0 %
Volatile Content	< 2.0 %

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