Description

1,3-Butanediol-Diisooctate-Phthalic Anhydride Polymer is a synthetic polymer derived from the condensation of 1,3-butanediol, diisooctanoic acid, and phthalic anhydride, commonly identified by CAS NO 68511-09-1. This specialized polymer is engineered to offer excellent plasticizing and film-forming properties, providing enhanced flexibility and durability to various formulations. It is a critical raw material for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking to improve product performance and processing characteristics.

Application

• As a primary or secondary plasticizer in flexible PVC and other polymer systems to improve low-temperature performance and elongation.
• Key component in the formulation of high-performance industrial coatings, including coil coatings and automotive finishes, for enhanced weatherability and adhesion.
• Used in the production of adhesives and sealants to impart flexibility, tack, and long-term stability.
• As a polymeric modifier in printing inks to regulate viscosity, gloss, and pigment dispersion.
• Employed in the manufacture of synthetic leather and other coated fabrics to provide a soft, durable finish.
• Utilized as a resin intermediate for further chemical synthesis in alkyd and polyester resin production.
• Potential use as a viscosity modifier and processing aid in various elastomeric compounds.

Basic Information

Product Name	1,3-Butanediol-Diisooctate-Phthalic Anhydride Polymer
CAS No.	68511-09-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(1,3-butanediol diisooctanoate phthalate); Butanediol Diisooctanoate Phthalate Polymer; Phthalic Anhydride-1,3-Butanediol-Diisooctanoate Copolymer; 1,3-BD-Diisooctyl Phthalate Polymer; Plasticizer Polymer 68511-09-1; Polyester Plasticizer from 1,3-Butanediol, Diisooctanoic Acid, and Phthalic Anhydride; CAS 68511-09-1 Polymer
EINECS	Contact for details

Quality Control

Our 1,3-Butanediol-Diisooctate-Phthalic Anhydride Polymer is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including assessment of key parameters such as acid value, hydroxyl value, viscosity, and color. Certificates of Analysis (COA) documenting full specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from sources of heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to prevent oxidation and moisture absorption.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Color (Gardner)	≤ 3
Acid Value (mg KOH/g)	≤ 2.0
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity @ 25°C (cPs)	Contact for details
Water Content (KF)	≤ 0.1%
Identification (IR)	Conforms

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