Synthos SE PB 3501-Schkopau Low-CIS Butadiene Rubber (BR)

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Synthos SE PB 3501-Schkopau Low-CIS Butadiene Rubber (BR)
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Composition: SE PB 3501-Schkopau is a low-cis butadiene synthetic rubber. It is produced by anionic solution polymerization adjusted for a very high level of branching. SE PB 3501-Schkopau is translucent to white in appearance and contains a non-staining stabilizer which complies with compositional requirements of the food packaging regulations of European countries and the USA (Trinseo may be consulted regarding applicable regulations). Application: SE PB-3501 is used to manufacture Mass-ABS or transparent/high-gloss High-Impact Polystyrene. The high level of branching in combination with grafting processes supported by reactive vinyl-groups in SE PB 3501–Schkopau enable the very small rubber particle size required by these applications. Synthos acquired the synthetic rubber business from Trinseo in 2021.
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Physical Properties	Metric	English	Comments

Volatiles	0.20 %	0.20 %	1 hr at 105°C in a hot air oven, 5 g sample; ASTM D5668
Viscosity	45 cP	45 cP	Solution, 5% mass is styrene solution at RT; ASTM D445
Mooney Viscosity	45 @Temperature 100 °C	45 @Temperature 212 °F	MU, ML 1+4; ASTM D1646
Ash	0.040 %	0.040 %	ASTM D5667

Descriptive Properties
Cis-1,4 content	39 percent		SM (FTIR)
Color	3		APHA
Gel content	1-2%		SM
Vinyl content	10 percent		SM (FTIR)

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PTRINS9117 / 197583

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