Description

Dimethyl Diethylpropanedioate Polymer With 4-Hydroxy-2,2,6,6-Tetramethyl-1-Piperidineethanol is a high-performance hindered amine light stabilizer (HALS) polymer, designed to provide exceptional long-term protection against UV degradation and thermal oxidation. This compound is critical for enhancing the durability and service life of polymeric materials exposed to harsh environmental conditions. It is primarily needed by manufacturers in the plastics, coatings, and synthetic fiber industries seeking to improve product weatherability and color retention.

Application

• As a light stabilizer in polyolefins (PP, PE) for automotive parts, agricultural films, and outdoor furniture.
• As a UV absorber and antioxidant in industrial and automotive coatings to prevent gloss loss, chalking, and cracking.
• For the stabilization of engineering plastics such as polyamides and polyurethanes used in demanding applications.
• In the production of synthetic fibers and textiles to prevent strength loss and color fading from sunlight exposure.
• As an additive in adhesives and sealants to maintain performance integrity under outdoor conditions.
• For use in masterbatch formulations to ensure homogeneous dispersion and effective stabilization in final polymer products.

Basic Information

Product Name	Dimethyl Diethylpropanedioate Polymer With 4-Hydroxy-2,2,6,6-Tetramethyl-1-Piperidineethanol
CAS No.	76434-43-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly[[6-[(1,1,3,3-tetramethylbutyl)amino]-1,3,5-triazine-2,4-diyl][(2,2,6,6-tetramethyl-4-piperidinyl)imino]-1,6-hexanediyl[(2,2,6,6-tetramethyl-4-piperidinyl)imino]]; HALS Polymer; Hindered Amine Light Stabilizer Polymer; UV Polymer Stabilizer 76434-43-0; Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate polymer; Light Stabilizer 770; Polymerized HALS; Nylostab S-EED
EINECS	Contact for details

Quality Control

Our Dimethyl Diethylpropanedioate Polymer With 4-Hydroxy-2,2,6,6-Tetramethyl-1-Piperidineethanol is manufactured under a strict quality management system to ensure batch-to-batch consistency and high performance. All products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, assay, and other critical parameters are available upon request.

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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Ash Content	≤ 0.1%

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