Description

Formaldehyde-Dimethylphenol-3-Methylphenol-4-Methylphenol Polymer is a specialized phenolic resin copolymer synthesized from formaldehyde and a blend of methylphenol isomers. This engineered polymer is valued for its enhanced thermal stability and tailored chemical resistance compared to standard phenolic resins. It serves as a critical performance additive and binder in advanced industrial applications where standard materials fall short. Key industries that utilize this polymer include high-performance coatings, specialty adhesives, and composite materials manufacturing.

Application

• High-Temperature Resistant Coatings: Used as a binder in industrial and automotive coatings that require exceptional thermal stability and chemical resistance.
• Specialty Adhesives and Sealants: Acts as a key resin component in formulations for bonding metals, ceramics, and heat-resistant composites.
• Friction Material Composites: Serves as a phenolic resin matrix in brake pads, clutch facings, and other friction materials demanding consistent performance.
• Molding Compounds: Utilized in the production of reinforced plastic components for electrical and automotive applications due to its good insulating properties and dimensional stability.
• Foundry Binders: Employed in sand-casting processes as a core and mold binder for metal casting.
• Abrasive Wheel Manufacturing: Functions as a bonding agent in grinding wheels and other abrasive tools.
• Oilfield Chemicals: Can be formulated into resins used for sand consolidation and proppant coating in well stimulation.

Basic Information

Product Name	Formaldehyde-Dimethylphenol-3-Methylphenol-4-Methylphenol Polymer
CAS No.	117520-84-0
Molecular Formula	(C7H8O·CH2O)n (Polymeric structure)
Molecular Weight	Polymer - varies by grade
Synonyms	Phenol, dimethyl-, polymer with formaldehyde and methylphenol; Phenolic resin, methylphenol-formaldehyde copolymer; Cresol-formaldehyde resin (modified); Formaldehyde copolymer with dimethylphenol and methylphenol; Novolac-type phenolic resin (modified); Thermosetting phenolic copolymer; Alkylphenol-formaldehyde polymer; Technical grade phenolic resin copolymer
EINECS	Contact for details

Quality Control

Our production of Formaldehyde-Dimethylphenol-3-Methylphenol-4-Methylphenol Polymer adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistency in key parameters such as melt viscosity, gel time, and free phenol content. We provide Certificates of Analysis (COA) with every shipment, detailing the specific test results for your quality assurance records. Our quality system is designed to meet the demands of industrial and technical grade applications, ensuring reliable performance in your formulations.

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, open flames, and incompatible materials such as strong oxidizing agents. The product has a limited shelf life; use on a first-in, first-out (FIFO) basis and inspect containers prior to use.

Specification

Item	Specification
Appearance	Yellow to brown flakes or powder
Identification (IR)	Conforms to structure
Softening Point (Ring & Ball)	85 - 105 °C
Gel Time (at 150°C)	60 - 120 seconds
Free Phenol Content	≤ 5.0 %
Hexamine Tolerance	Contact for details
Moisture Content	≤ 1.0 %

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