Description

Dimethyl 1,4-Benzenedicarboxylate Polymer With 1,2-Propanediol, Diester With α-Methyl-ω-Hydroxypoly(Oxy-1,2-Ethanediyl) is a specialized polymeric ester designed for advanced material formulations. This compound is valued for its ability to modify the physical and chemical properties of polymer matrices, enhancing performance in demanding applications. It is primarily sought by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for use in plasticizers and specialty polymer synthesis.

Application

• As a performance modifier and compatibilizer in high-end polyurethane coatings and adhesives.
• Used in the formulation of specialty plasticizers to improve flexibility and durability of PVC and other polymers.
• As a key intermediate or additive in the synthesis of engineered resins and elastomers for automotive and industrial parts.
• Employed as a rheology modifier and dispersing agent in advanced ink and pigment formulations.
• Utilized in the production of pressure-sensitive adhesives (PSAs) and sealants requiring enhanced tack and cohesion.
• Serves as a functional additive in cosmetic and personal care polymer systems for film-forming and texture enhancement.

Basic Information

Product Name	Dimethyl 1,4-Benzenedicarboxylate Polymer With 1,2-Propanediol, Diester With α-Methyl-ω-Hydroxypoly(Oxy-1,2-Ethanediyl)
CAS No.	139755-78-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(ethylene glycol) methyl ether-block-poly(propylene glycol)-block-poly(ethylene glycol) diester with dimethyl terephthalate and 1,2-propanediol; PEG-PPG-PEG dimethyl terephthalate diester; α-Methyl-ω-hydroxypoly(oxyethylene)/poly(oxypropylene) block copolymer diester with dimethyl terephthalate and propylene glycol; Polyoxyethylene-polyoxypropylene block copolymer terminated with dimethyl terephthalate; Terephthalic acid, dimethyl ester, polymer with 1,2-propanediol, diester with α-methyl-ω-hydroxypoly(oxy-1,2-ethanediyl); Polymeric plasticizer based on PEG/PPG and dimethyl terephthalate; CAS 139755-78-5
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is controlled for critical parameters including identity, assay, and impurity profiles to guarantee consistency for your formulations. Certificates of Analysis (COA) are available upon request, detailing the specific results for your shipment.

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). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (NMR/GPC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Hydroxyl Value	Contact for details
Viscosity	Contact for details

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