Braskem Unilene® B-120 LN Thermoplastic Hydrocarbon Resin C9

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Braskem Unilene® B-120 LN Thermoplastic Hydrocarbon Resin C9
Categories:	Polymer; Thermoplastic
Material Notes:	Thermoplastic hydrocarbon resin C9 is obtained from catalytic polymerization of hydrocarbons in a continuous process. Compatible with most solvents and polymeric materials, it has hydrophobic characteristics and has a format of light yellow pellets. Unilene® B-120 LN has a controlled naphthalene content, which allows for a less evident odor when compared to regular C9 hydrocarbon resins. In rubbers, Unilene improves processability, filler incorporation, dispersion and mass adhesion, avoiding elastomer degradation and reducing preparation time. In Solvent and Hot Melt adhesives, the resin promotes good adhesion, cohesion, excellent open time and water repellency. Applications: Hot melt adhesives (EVA, metallocene PE and PSA) and solvent based , In addition, the product can be used for seals and sealants, paints and varnishes (road marking, printing inks, aluminum and protective, epoxy and alkyd systems), tires and rubber artifacts and polymer modification. Information provided by Braskem.
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Physical Properties	Original Value	Comments

Brookfield Viscosity	1470 cP @Temperature 180 °C	ASTM D3236
Molecular Weight	840 g/mol	Mn; ASTM D6579
	1835 g/mol	Mw; ASTM D6579
	3480 g/mol	Mz; ASTM D6579

Chemical Properties	Original Value	Comments
Acid Value	<= 0.10	mg KOH/g; ASTM D974

Thermal Properties	Original Value	Comments
Softening Point	120 °C	ASTM D6493
Glass Transition Temp, Tg	71.0 °C	ASTM D6604

Optical Properties	Original Value	Comments
Gardner Color Number	<= 6.0	50% in Toluene; ASTM D6166

Descriptive Properties
Cloud Point (°C)	30	ASTM D6038. MMAP
Naphthalene Content (ppm)	100 max	Internal

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PBRAS676 / 314069

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