???-??-????? ????
|
|
???-??-????? ???? ??
- ???
- 171-188 °C
- ??
- 1.07 g/mL at 25 °C
- ???
- ????, ???? ? ??? ?????.
- ??? ??
- solid
- ???
- hydrocarbons, esters and ketones: soluble
water, alcohols and glycols: insoluble
- ??? ?? ??
- ???
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- InChI
- 1S/C9H10.C8H8/c1-8(2)9-6-4-3-5-7-9;1-2-8-6-4-3-5-7-8/h3-7H,1H2,2H3;2-7H,1H2
- InChIKey
- ZAKVZVDDGSFVRG-UHFFFAOYSA-N
- SMILES
- C=Cc1ccccc1.CC(=C)c2ccccc2
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| WGK ?? | 3 | ||
|---|---|---|---|
| TSCA | TSCA listed | ||
| ???? ??? | 11 - Combustible Solids | ||
| ???? ?? | KE-13263 |
???-??-????? ???? C??? ??, ??, ??
??
Additive to sealants, caulks, adhesives, and coatings.?? ??
a-Methylstyrene is obtained from benzene and propylene by the following route:
a-Methylstyrene is not readily polymerized by free radical initiators but it is susceptible to cationic polymerization. Polymerization can be effected, for example, in ethyl chloride at -130C with aluminium chloride but poly(a-methylstyrene) prepared in this manner is a clear brittle solid which has little commercial application. Polymers with much lower molecular weight (300-600) obtained by using alkaline earth catalysts, however, are viscous liquids and have found some use as plasticizers in surface coatings and adhesives.
Styrene-a-methylstyrene copolymers are marketed for extrusion and injection moulding. Compared to polystyrene, these copolymers have the advantage of higher softening points (104-106C); they too are transparent and colourless.
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???( 19)?? ??
| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD | +86-13017695106 +86-13676922317 |
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| Newport (ShangHai) Industries Ltd. | 021-61630391 |
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info@yuhaochemical.com | China | 2028 | 58 |
| Sigma-Aldrich | 021-61415566 800-8193336 |
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