CHLUMIAO®1500 CAS 96152-48-6

4,4′-Isopropylidenediphenol C12-15 alcohol phosphite

CAS No. : 96152-48-6

Molecular weight: ~1112

Application Instructions

A high-molecular-weight, high-phosphorus content polymeric phosphite ester antioxidant, mainly used to partially replace organotin stabilizers in non-toxic products such as PVC materials, films, and sheets. It can also be used as an oxygen-heat stabilizer in PE, PP, ABS and SBS, and as an auxiliary antioxidant. It has a strong ability to decompose hydrogen through oxides. It has a good synergistic effect with main antioxidants such as “1010”, which can enhance the antioxidant effect and reduce the product cost. When compounded with hindered phenolic antioxidants, it can be used in high molecular materials such as PVC and polyurethane. Suggested addition amount: 0.1-2.0%

Antioxidant 1500 Application scenarios

1. Synthetic Rubber Industry

This is its core application area. It is mainly used in synthetic rubbers such as butadiene rubber (BR), styrene-butadiene rubber (SBR), ethylene propylene rubber (EPR/EPDM), and nitrile rubber (NBR), as well as thermoplastic elastomers. It effectively prevents aging, stickiness, gelation, or decline in mechanical properties of rubber due to heat and oxygen during processing, storage, and use.

2. Plastics and Polymer Materials
It can be used as a stabilizer for plastics (such as polyolefins), providing processing stability and long-term heat resistance, and delaying oxidative degradation of materials.

3. Adhesives and Sealants
It is used to protect adhesive and sealant systems, preventing performance degradation due to oxidation before and after curing.

4. Lubricating Oils and Greases
It is added to lubricating oils, greases, and synthetic oils to inhibit oil oxidation and deterioration, extending their service life.

💡 Key Features and Advantages

High Efficiency and Environmental Friendliness: It is an environmentally friendly antioxidant, requiring low dosage (typically 0.05%-0.3%), exhibiting excellent antioxidant effects, and can be used in polymer products that come into contact with food.

Synergistic Effect: Its molecular structure contains both hindered phenolic and thioether groups, which produce a synergistic effect, providing excellent antioxidant protection.

Description

Quality index

Product appearance: Colorless or light yellow viscous transparent liquid
Chromaticity (Pt-Co) : ≤50
Density (25℃, g/cm ³) : 0.95-0.98
Product viscosity (25℃, mpa.s) : ≤500
Refractive index (at 25℃, η25) : 1.500-1.516
Acid value (KOH/g) : ≤0.5

Packaging specification

180KG iron drum

Application

PVC, ABS, PU

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