Transparent color particle containing epoxy group of styrene/butadiene copolymer and PBT/ABS polyester alloy compatibilizer

Model No.: BDC

lntroduction:

BDC is a styrene-butadiene copolymer containing epoxy groups with a yellowish appearance.

Performance	Numerical value	Test method
Density	1.02g/cm3	ASTM D792
Melt flow rate（220℃/5kg）	2.0-5.0g/10min	ASTM D1238
Epoxy group content	High	COACE Method1
Moisture	≤0.3 %	Halogen Rapid Moisture Determination

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Description

BDC is a styrene-butadiene copolymer containing epoxy groups with a yellowish appearance. It is used as compatibilizer for Styrene, butadiene copolymer and polyester alloy

Application of BDC in PBT/ABS Alloy

Performance	Unit	65%ABS+35%PBT	65%ABS+30%PBT+5%BDC	65%ABS+25%PBT+5%BDC+5%High rubber powder
tensile strength	Mpa	⸺	49	45
tensile rate	%	⸺	25	33
Bending strength	Mpa	⸺	71	38
Flexural modulus	Mpa	⸺	2259	2125
Izod notched impact strength	J/m	⸺	80	120

Note:PBT Taiwan Changchun 1100 -211 M ABS Petro China 021 5 A

It can be seen from the above table that PBT/ABS alloys without BDC are incompatible. After adding 5% BDC, PBT/ABS alloys can be successfully produced, and adding 5% high rubber powder can better improve the alloy properties of PBT/ABS.