Benzene, 2,4-Diisocyanato-1,3,5-Tris(1-Methylethyl)-, Homopolymer, 2-Isocyanato-1,3-Bis(1-Methylethyl)Benzene-Blocked CAS NO 132435-00-8

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CAS No.:132435-00-8

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Benzene, 2,4-Diisocyanato-1,3,5-Tris(1-Methylethyl)-, Homopolymer, 2-Isocyanato-1,3-Bis(1-Methylethyl)Benzene-Blocked is a specialized, blocked polyisocyanate derived from a triisocyanurate core structure. This product matters as a key latent curing agent and crosslinker, designed to provide controlled reactivity and enhanced shelf stability for high-performance polymer systems. It is essential for formulators in the coatings, adhesives, and advanced composites industries who require precise curing profiles and improved processing characteristics.

Application

As a latent curing agent in single-component, heat-curable epoxy resin systems for automotive, aerospace, and industrial coatings.
As a blocked polyisocyanate crosslinker in powder coatings, providing excellent flow, leveling, and mechanical properties upon thermal deblocking.
In the formulation of high-performance adhesives and sealants requiring controlled reactivity and moisture resistance.
For enhancing the thermal and chemical resistance of electrical insulation materials and potting compounds.
As a modifier in polyurethane dispersions (PUDs) and other waterborne systems to improve film properties.
In the production of advanced composite materials where tailored crosslink density is critical.

Basic Information


Product Name	Benzene, 2,4-Diisocyanato-1,3,5-Tris(1-Methylethyl)-, Homopolymer, 2-Isocyanato-1,3-Bis(1-Methylethyl)Benzene-Blocked
CAS No.	132435-00-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Blocked polyisocyanate based on isophorone diisocyanate (IPDI) trimer; IPDI trimer blocked; Blocked IPDI homopolymer; Tris(isocyanatohexyl)biuret blocked; Blocked aliphatic polyisocyanate; Crosslinker VESTANAT® B 1358/100 (example); Light-stable blocked curing agent; Triisocyanurate derivative, blocked.
EINECS	Contact for details

Quality Control

Our blocked polyisocyanate products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Key parameters such as blocked isocyanate content, viscosity, deblocking temperature, and color are strictly monitored. Certificates of Analysis (COA) detailing all specifications are available upon request 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). This product is hygroscopic (moisture-sensitive). Keep container tightly sealed when not in use to prevent moisture absorption, which can lead to premature reaction or gelation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Blocked NCO Content	Contact for details
Viscosity (25°C)	Contact for details
Deblocking Temperature	Contact for details
Color (Gardner)	≤ 2
Specific Gravity (25°C)	Contact for details
Moisture (Karl Fischer)	≤ 0.1%