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Polyvinyl silicone oil
Polyvinyl‑terminated silicone oil, by controlling the ratio of terminal vinyl groups to side‑chain vinyl groups, allows for flexible tuning of product properties such as hardness, elasticity, and tear strength; it is a key raw material for addition‑cured liquid silicone rubber (LSR) and silicone gels. It can also react with organic materials like polyurethanes and acrylics to produce novel coatings, resins, and emulsions that exhibit excellent weather resistance, UV stability, and toughness. When incorporated into compounded silicone rubbers, polyvinyl‑terminated silicone oil enhances processing performance, crosslink density, and physical‑mechanical properties, including tensile strength and hardness.
category：
Silicone oil
Product Description
Polyvinyl silicone oil
I. Main Ingredients
A poly(methylsiloxane) in which each end of the molecular chain bears a vinyl group, and the side groups along the main chain are partially substituted with vinyl.
II. Technical indicators
Specifications |
Appearance |
Viscosity (mPa·s, 25°C)
|
Vinyl content (wt%) |
Volatile matter (150℃, 3h, %)
|
V304-1 |
Colorless, transparent liquid |
250-300 |
1.2–1.4 |
<1.0 |
V304-1 |
Pale yellow transparent liquid |
4500-5500 |
2.2–2.6 |
<1.0 |
V304-1 |
Pale yellow transparent liquid |
16,000–20,000 |
2.8-3.2 |
<1.0 |
V304-1 |
Pale yellow transparent liquid |
1000-1500 |
9–10 |
<1.0 |
III. Performance and Applications
Polyvinyl‑terminated silicone oil, by controlling the ratio of terminal vinyl groups to side‑chain vinyl groups, allows for flexible tuning of product properties such as hardness, elasticity, and tear strength, making it a key raw material for addition‑cure liquid silicone rubber (LSR) and silicone gel. This product can be used with Reactions involving organic materials such as polyurethane and acrylics can yield novel coatings, resins, and emulsions with excellent weather resistance, UV resistance, and toughness. Adding polyvinyl‑silicone oil to compounded silicone rubber can enhance its processability, crosslink density, and physical‑mechanical properties, including tensile strength and hardness.
IV. Packaging and Storage
1. This product is packaged in clean, dry, sealed iron drums with an internal plastic lining or in plastic drums.
2. Transportation: During transport, protect the product from direct sunlight and rain. This product is to be transported as a non-hazardous material.
3. Storage: This product shall be stored in a well-ventilated, cool, and dry environment, and must not come into contact with harmful substances such as acids or alkalis. The shelf life is one year from the date of manufacture. Upon expiration of the shelf life, the product may be re‑tested in accordance with the applicable standards; if it meets the required specifications, it may still be used.
Polyvinyl Silicone Oil
Ⅰ. Product Description
It is a polymethylsiloxane with vinyl groups at both ends and some vinyl groups on the side chains along the main chain.
Ⅱ. Technical Data
Item |
Appearance |
Viscosity (cp) |
Vinyl Content (Wt%) |
Volatile Content (%)
|
V304-1 |
Colorless transparent liquid |
250~300 |
1.2~1.4 |
<1.0 |
V304-1 |
Yellowish transparent liquid |
4, 500~5 ,500
|
2.2~2.6 |
<1.0 |
V304-1 |
Yellowish transparent liquid |
16, 000~20 ,000
|
2.8~3.2 |
<1.0 |
V304-1 |
Yellowish transparent liquid |
1, 000~1 ,500
|
9~10 |
<1.0 |
III. Features and Applications
By controlling the ratio of terminal to pendant vinyl groups, this silicone oil allows flexible adjustment of the final product's hardness, elasticity, tear strength, and other properties. It serves as the core raw material for addition-curing liquid silicone rubber (LSR) and silicone gels. In addition, it can react with organic materials such as polyurethane and acrylics to produce new coatings, resins, and emulsions with excellent weatherability, UV resistance, and toughness. Adding polyvinyl silicone oil to millable silicone rubber improves its processing performance, cross-linking density, and mechanical properties (e.g. tensile strength and hardness).
IV. Packaging and Storage
- Packaging: This product is sealed in a clean and dry inner plastic-coated iron drums or plastic drums.
- Transportation: During transportation, exposure to sunlight and rain should be prevented. Transport it as non-hazardous goods.
- Storage: Store in a well-ventilated cool and dry place with no contact with harmful substances such as acid and alkali. The shelf life is one year, beyond which, re-test the product according to specifications. It may remain usable if it still meets the requirements.
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