News

IOTA 273 Straight-Chain Vinyl Siloxane: Opening a New Chapter in the Application of Silicone Materials
Source:iotachem.com
PostTime:2025-02-08 09:20:06

IOTA 273 straight-chain vinyl siloxane, an important member of the silicone material field, is chemically known as terminal vinyl polydimethylsiloxane, with a CAS No. of 68083-19-2. It demonstrates unique performance and value in various industrial applications.

1. Exceptional Characteristics

Active Intermediate: As an excellent and active intermediate material, it provides a key foundation for the synthesis of downstream products.

Inherited Properties of Methyl Siloxane: It retains all the functionalities of methyl siloxane while surpassing certain performance aspects.

High Reactivity: The vinyl groups at both terminals exhibit strong reactivity, allowing for addition reactions with hydrogen-containing silicone oils under the influence of a catalyst. It can also participate in various other chemical reactions.

Outstanding Compatibility: The compatibility with organic materials far exceeds that of methyl siloxane, making it more seamless when combined with other organic materials, facilitating performance optimization.

Multifunctional Reactivity: Due to the presence of active double bonds, it can react with various organic materials such as polyurethane and acrylics, greatly expanding its application potential.

2. Precise Technical Specifications

Viscosity (25°C, mPa·s)
Molecular Weight
Vinyl Content (%)
Density

Viscosity (mPa·s) Molecular Weight Vinyl Content (%) Density
0.7 186 29 0.81
45691 500 45942 0.92
45753 770 45847 0.93
10 1000 5.4 0.95
20 2000 2.7 0.95
100 6000 0.8 - 1.2 0.97
200 9400 0.4 - 0.6 0.97
500 17200 0.37 - 0.43 0.97
1000 28000 0.18 - 0.26 0.97
3500 43000 0.12 - 0.15 0.97
5000 49500 0.10 - 0.13 0.97
10000 62700 0.08 - 0.12 0.97
20000 72000 0.06 - 0.09 0.98
65000 117000 0.04 - 0.06 0.98
165000 155000 0.03 - 0.04 0.98
These precise technical specifications provide a scientific basis for material selection across different application scenarios.

3. Wide Range of Applications

High-Temperature Vulcanized Silicone Rubber (HTV): Used as a fundamental raw material, it effectively enhances the strength and hardness of silicone rubber, improving product performance.

Liquid Silicone Rubber: A primary material for injection-molded silicone rubber, contributing to the production of precision silicone rubber products.

New Material Synthesis: Reacting with organic materials such as polyurethane and acrylics, it creates new materials with excellent properties such as weather resistance, aging resistance, UV resistance, reinforcement, and toughening. These materials are widely used in plastic, resin, and paint/coating modification fields.

4. Scientific Usage and Dosage

Additives or Modification: Add at a concentration of 5% - 10% for precise additions to optimize performance.

Base Resin Usage: Add at a concentration of 50% - 100% to meet the demands of different products for base resin.

5. Precautions and Storage/Transportation

Precautions: The product is chemically active; during storage and transportation, it must be kept free from impurities (such as catalysts). When used or combined with other materials, the chemical reactivity of those materials must be carefully considered to prevent material degradation.

Storage and Transportation: Store in a sealed container in a dry, ventilated, and cool place, away from fire sources. Avoid direct sunlight and contamination by impurities. It should be packaged in 200kg epoxy-coated iron drums or 50kg polyethylene plastic drums. It is classified as a non-hazardous substance for storage and transportation.

IOTA 273 straight-chain vinyl siloxane, with its unique properties and wide range of applications, is becoming an indispensable product in the field of silicone materials, providing strong support for the innovative development of various industries.

You may also be interested in the following product(s)
公安备案号:34030002020529
皖ICP备14007495号
© 2008-2025 Iota Silicone Oil (Anhui) Co., Ltd. All Rights Reserved