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POLY(STYRENE-CO-ALPHA-METHYLSTYRENE)

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Company Name: Chongqing Chemdad Co., Ltd
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Products Intro: Product Name:POLY(STYRENE-CO-ALPHA-METHYLSTYRENE)
CAS:9011-11-4
Purity:0.99 Package:5KG;1KG，25KG
Company Name: Shaanxi Dideu Medichem Co. Ltd
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Products Intro: Product Name:Poly(styrene-co-α-Methylstyrene)
CAS:9011-11-4
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Products Intro: Product Name:POLY(STYRENE-CO-ALPHA-METHYLSTYRENE)
CAS:9011-11-4
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Products Intro: Product Name:Poly(styrene-co-α-methylstyrene)
CAS:9011-11-4
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Products Intro: Product Name:Poly(styrene-co-α-Methylstyrene)
CAS:9011-11-4
Purity:Meltviscosity100poise(161°C) Package:1g-500g

POLY(STYRENE-CO-ALPHA-METHYLSTYRENE) manufacturers
POLY(STYRENE-CO-ALPHA-METHYLSTYRENE) Basic information
Product Name:POLY(STYRENE-CO-ALPHA-METHYLSTYRENE)
Synonyms:POLY(STYRENE-CO-ALPHA-METHYLSTYRENE);POLY(STYRENE-CO-ALPHA-METHYLSTYRENE), SO FTENING POINT 100 DEG. C;POLY(STYRENE-CO-ALPHA-METHYLSTYRENE), SO FTENING POINT 119 DEG. C;Styrene-α-methylstyrene polymer;poly(styrene-co-α-methylstyrene);Ethenylbenzene,copolymerwith(1-methylethenyl)benzene,(.alpha.-Methylstyrene-styrene)copolymer;ethenyl-benzenpolymerwith(1-methylethenyl)benzene;Styrol, a-methylstyrol, copolymer
CAS:9011-11-4
MF:C17H18
MW:222.32482
EINECS:
Product Categories:Hydrophobic Polymers;Materials Science;Polymer Science;Styrene copolymers;Hydrophobic Polymers;Styrene copolymers;Styrenes;Polymers
Mol File:9011-11-4.mol
POLY(STYRENE-CO-ALPHA-METHYLSTYRENE) Structure
POLY(STYRENE-CO-ALPHA-METHYLSTYRENE) Chemical Properties
Melting point 171-188 °C
density 1.07 g/mL at 25 °C
solubility hydrocarbons, esters and ketones: soluble
EPA Substance Registry SystemBenzene, ethenyl-, polymer with (1-methylethenyl)benzene (9011-11-4)
Safety Information
WGK Germany 3
MSDS Information
ProviderLanguage
SigmaAldrich English
POLY(STYRENE-CO-ALPHA-METHYLSTYRENE) Usage And Synthesis
UsesAdditive to sealants, caulks, adhesives, and coatings.
Preparationa-Methylstyrene is obtained from benzene and propylene by the following route:

9011-11-4 synthesis


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 -130??C 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 (104-106??C); they too are transparent and colourless.
POLY(STYRENE-CO-ALPHA-METHYLSTYRENE) Preparation Products And Raw materials
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