Description

1,3-Isobenzofurandione, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol And 1,2,3-Propanetriol, Benzoate (9Z,12Z)-9,12-Octadecadienoate is a specialized polymeric ester derived from phthalic anhydride, pentaerythritol, glycerol, benzoic acid, and linoleic acid. This complex polymer is engineered to provide a unique combination of film-forming properties, flexibility, and adhesion, making it a valuable functional additive. It is primarily utilized in the formulation of high-performance coatings, inks, and adhesives where enhanced durability and specific rheological control are required. The product, identified by CAS NO 165307-61-9, is supplied to meet the stringent demands of industrial manufacturing.

Application

• Industrial Coatings: Acts as a film-forming agent and plasticizer in alkyd resin modifications for protective metal and wood coatings.
• Printing Inks: Used in specialty ink formulations to improve gloss, adhesion, and flexibility on various substrates.
• Adhesives & Sealants: Imparts tack and flexibility in pressure-sensitive and structural adhesive systems.
• Polymer Modification: Serves as an additive to enhance the impact resistance and processing characteristics of other polymers.
• Resin Intermediates: Employed in the synthesis of more complex polymeric materials for niche applications.

Basic Information

Product Name	1,3-Isobenzofurandione, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol And 1,2,3-Propanetriol, Benzoate (9Z,12Z)-9,12-Octadecadienoate
CAS No.	165307-61-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Phthalic Anhydride-Glycerol-Pentaerythritol Benzoate Linoleate Copolymer; Poly(phthalic anhydride-co-glycerol-co-pentaerythritol benzoate linoleate); Modified Alkyd Resin; Linoleic Acid Modified Polyester Resin; Benzoated Alkyd Polymer; Pentaerythritol/Glycerol Phthalate Benzoate Linoleate; Polyester Resin Plasticizer; CAS 165307-61-9
EINECS	Contact for details

Quality Control

Our production of this polymeric ester adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through analytical methods including viscosity, acid value, and hydroxyl value determination. A comprehensive Certificate of Analysis (COA) detailing specific parameters is provided with each shipment to support your quality assurance and regulatory compliance needs.

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 strong alkalis and incompatible materials such as strong oxidizing agents. The product may be sensitive to prolonged exposure to high humidity.

Specification

Item	Specification
Appearance	Viscous liquid to semi-solid
Color (Gardner)	≤ 8
Acid Value (mg KOH/g)	≤ 10
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity (at 25°C)	Contact for details
Solids Content (%)	≥ 98
Identification (IR)	Conforms

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