Description

1,3-Butanediol, Polymer With 1,3-Diisocyanatomethylbenzene And 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol is a high-performance, cross-linked polyurethane polyol prepolymer designed for demanding industrial applications. This specialized polymer offers exceptional versatility and controlled reactivity, making it a critical raw material for formulators seeking enhanced material properties. It is primarily utilized in the production of advanced coatings, adhesives, sealants, and elastomers (CASE) where durability, chemical resistance, and tailored mechanical performance are required.

Application

• High-Performance Coatings: Used as a key polyol component in two-component polyurethane coatings for industrial, automotive, and marine applications, providing excellent weatherability, abrasion resistance, and gloss retention.
• Adhesives & Sealants: Serves as a backbone polymer in formulating structural adhesives, potting compounds, and flexible sealants that require strong bonding, elasticity, and resistance to environmental stress.
• Elastomers and Castables: Employed in the manufacture of polyurethane elastomers, rollers, gaskets, and molded parts, contributing to a balance of toughness, flexibility, and load-bearing capacity.
• Composite Materials: Acts as a matrix resin or modifier in fiber-reinforced plastics (FRP) and other composite systems to improve interfacial adhesion and impact strength.
• Industrial Binders: Utilized in binder systems for foundry sands, abrasives, and non-woven fabrics, offering controlled cure profiles and strong cohesive properties.
• Specialty Resins: Functions as an intermediate for further chemical modification to create custom resins with specific hydroxyl values and functionality for niche applications.

Basic Information

Product Name	1,3-Butanediol, Polymer With 1,3-Diisocyanatomethylbenzene And 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol
CAS No.	9046-75-7
Molecular Formula	(C4H10O2 • C10H10N2O2 • C6H14O3)x
Molecular Weight	Polymer - Variable
Synonyms	Poly(oxy-1,3-butanediyl), α-hydro-ω-hydroxy-, polymer with 1,3-diisocyanatomethylbenzene and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol; Polyurethane polyol prepolymer based on 1,3-butanediol, m-xylylene diisocyanate (MXDI), and trimethylolpropane; MXDI-based polyurethane polyol; Poly(1,3-butanediol/m-XDI/trimethylolpropane); Hydroxyl-terminated polyurethane prepolymer; PU polyol resin; CAS 9046-75-7
EINECS	Contact for details

Quality Control

Our production of this polyurethane polyol adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as hydroxyl value, viscosity, isocyanate content (NCO%), and color are rigorously monitored. Certificates of Analysis (COA) detailing the full specification are provided with each shipment. We support compliance with relevant global regulatory frameworks, including REACH.

Storage

Preserve in a tightly closed container, protected from light. This product is hygroscopic (moisture-sensitive). Store in a cool, dry, and well-ventilated area at room temperature (15-25°C / 59-77°F). Keep the container tightly sealed when not in use to prevent moisture absorption and contamination. Store away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity (at 25°C)	Contact for details
Isocyanate Content (NCO%)	< 0.5%
Color (Gardner)	≤ 3
Water Content	≤ 0.1%
Specific Gravity (25°C)	Contact for details

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