Diol hydroxyl single-end long-chain alkyl silicone oil IOTA 8866
The average molecular weight of 4250 single-ended dihydroxy structure has high reactivity with -NCO, -COOH
It is a single-end bis-hydroxy terminated silicone prepolymer with similar reactivity with polyol. It can be copolymerized with -NCO and COOH. It is mainly used for synthesizing silicon modified polyurethane resin and emulsion, and silicone modified poly. Ester resin, etc., can give the resin excellent hand feeling and improve wear resistance. Prevent adhesions, stains and graffiti.
SHAPE \* MERGEFORMAT
Appearance: Colorless to pale yellow transparent liquid
Hydroxyl content % : 0.8
Average molecular weight : 4250
Viscosity 25°C cst : 800-1800
Solid content % : 96.00±3.00
Greatly improve the high wear resistance of the resin or coating
Excellent hand and slippery
Excellent anti-stick, anti-stain and anti-graffiti
Good resin compatibility
Highly reactive with -NCO, -COOH
Low surface tension for smoothing and flow
Synthetic silicon PU resin and emulsion
Modified polyester, polyurethane and urethane acrylate
Two-component PU paint and amino paint
Silicon PU resin and emulsion: reacting with isocyanate to synthesize -NCO-terminated prepolymer, and then adding polyol chain extension reaction;
It can also be added to the copolymerization reaction simultaneously with the polyol.
Copolymerization with MDI and TDI at 85 ° C
Copolymerization with IPDI is recommended at around 90 °C
Two-component PU or amino baking varnish: adding main resin and dispersing evenly
Packaging, storage and transportation:
1. Packed in 25 kg plastic drum or 200 kg iron drum.
2. Put into a clean and dry container and store in a ventilated and dry warehouse.
3. This product is transported as non-dangerous goods.
4. Shelf life: 1 year
5. Brand: IOTA
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