Description

Phenol, 4,4'-(1-Methylethylidene)Bis-, Polymer With (Chloromethyl)Oxirane And 2,2'-Thiobis[Ethanol] is a specialized epoxy-thiol polymer, a high-performance thermosetting resin engineered for demanding applications. This compound matters for its unique combination of chemical resistance, thermal stability, and mechanical strength derived from its bisphenol A and thiol-ether backbone. It is primarily needed by manufacturers in the advanced composites, high-performance coatings, and specialty adhesive industries seeking durable, cross-linked polymer matrices.

Application

• Advanced Composite Matrices: Used as a thermosetting resin in fiber-reinforced plastics (FRP) for aerospace, automotive, and marine components requiring high strength-to-weight ratios and corrosion resistance.
• High-Performance Industrial Coatings: Serves as a key resin in protective coatings for chemical processing equipment, pipelines, and tank linings due to its excellent barrier properties and adhesion.
• Specialty Adhesives and Sealants: Formulated into structural adhesives and potting compounds for electronics and construction, offering superior environmental and thermal endurance.
• Electrical Laminates and Encapsulants: Employed in the production of printed circuit boards (PCBs) and for encapsulating sensitive electronic components, providing excellent insulation and moisture resistance.
• Tooling and Molding Compounds: Used in the creation of durable molds, patterns, and industrial tooling that must withstand repeated use and exposure to harsh conditions.

Basic Information

Product Name	Phenol, 4,4'-(1-Methylethylidene)Bis-, Polymer With (Chloromethyl)Oxirane And 2,2'-Thiobis[Ethanol]
CAS No.	121029-04-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Epoxy-thiol polymer based on bisphenol A; Bisphenol A diglycidyl ether-thiol adduct; Thiol-modified epoxy resin; 2,2'-Thiobisethanol polymer with (chloromethyl)oxirane and 4,4'-isopropylidenediphenol; Epoxy resin hardener adduct; CAS 121029-04-7; Thermosetting epoxy-thiol copolymer
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to strict quality management systems, ensuring batch-to-batch consistency for critical industrial applications. Quality is verified through a suite of analytical techniques including gel permeation chromatography (GPC) for molecular weight distribution, titration for epoxy equivalent weight (EEW), and infrared spectroscopy (IR) for structural confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, viscosity, and other key parameters is provided with every shipment to support your quality assurance protocols.

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 is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Viscous liquid to solid
Color	Pale yellow to amber
Identification (IR)	Conforms to structure
Epoxy Equivalent Weight (EEW)	Contact for details
Viscosity @ 25°C	Contact for details
Non-volatile Content	> 98%
Purity (GPC)	> 95%

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