Evonik POLYVEST® MA 75 Polybutadienes

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Evonik POLYVEST® MA 75 Polybutadienes
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Liquid Polybutadienes: With its POLYVESTR Evonik offers a range of stereospecific, low viscous and unsaponifiable liquid polybutadienes of different chemical composition: POLYVEST® POLYVEST® MA POLYVEST® HT Our non-functionalized products differ in molar mass and viscosity. The MA-functionalized products are adducts of linear polybutadiene and maleic anhydride and differ in maleic anhydride content and viscosity. The anhydride groups are randomly distributed along the polymer chains and thus make the originally apolar polybutadiene more polar and accessible for various chemical reactions. The hydroxyl-terminated product is an alpha-omega-terminated diol of polybutadiene manufactured by radical polymerisation process. In addition to the double bonds in the polymer backbone, the hydroxyl functional groups provide opportunities for precise chemical modifications. The non-functionalized POLYVESTR grades are supplied in steel drums with 190kgs net. The maleic anhydride-functionalized grades are supplied in steel drums with 180kgs net and 900kgs net IBC. POLYVEST HTR is available in steel drums and IBC. Road tanker delivery is possible for all grades. Your benefits: The microstructure of our POLYVESTR grades makes them a highly reactive and cross-linking binder and provides them with properties including: excellent chemical resistance high water resistance very good electrical insulation very good cold-resistance low moisture and oxygen permeability Our POLYVESTR grades can be used in a broad field of applications. Information provided by Evonik
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Physical Properties	Original Value	Comments

Density	0.950 g/cc	DIN ISO 2811-1
Viscosity	6000 - 9000 cP @Temperature 20.0 °C	DIN EN ISO 3219
Molecular Weight	3000 g/mol	DIN 55627-1

Chemical Properties	Original Value	Comments
Total Acid Number	70 - 90	[mg KOH/g]; DIN EN ISO 2114

Thermal Properties	Original Value	Comments
Pour Point	-25.0 °C	DIN ISO 3016
Glass Transition Temp, Tg	-95.0 °C	DIN EN ISO 11357-1
Flash Point	300 °C	DIN EN ISO 2719
Ignition Temperature	360 °C	DIN 51794

Optical Properties	Original Value	Comments
Gardner Color Number	<= 2.5	DIN EN ISO 4630-2

Descriptive Properties
Appearance	viscous liquid
Iodine No.	380-420 g Iod/100g	DIN 53241

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