韓國LG產(chǎn)MBS抗沖改性劑,代理,
MBS全稱甲基丙烯酸甲酯、丁二烯和苯乙烯接枝共聚物,是核--殼結(jié)構(gòu)抗沖擊改性劑。
用于提高 PC、PBT、PET、ABS、PC/PBT 合金、PC/ABS 合金、PVC 的沖擊性能。
可做為耐寒增韌劑、相容劑、抗沖擊改性劑使用.
比較ABS高膠粉,MBS具有良好的耐低溫性能和抗疲勞性能以及加工穩(wěn)定性。
1) 有效改善PC及PC/ABS、PC/聚酯的抗沖擊性能;
2) 通過改善熱穩(wěn)定劑來改善黃變問題;
3) 降低異味;
型號 型號
Properties項目 Method測試方法 Unit單位 EM500 EM505
Tensile Strength ASTM D638 Kg/cm2 742 746
Tensile Elongation ASTM D638 % 218 224
Flexural Modulus (1/4”) ASTM D790 Kg/cm2 21,790 21,610
Flexural Strength (1/4”) ASTM D790 Kg/cm2 927 921
Melt flow index @300℃℃, 1.2kg ASTM D1238 g/10min 18.7 15.9
1/4” 68.7 71.3
23℃
Izod
1/8” 77.1 78.5
Impact D256 Kg·cm/cm
1/4” 18.1 18.0
Strength -40℃
1/8” 27.7 35.1
White Index 68.2 79.9
Color
Yellow Index -0.8 -4.4
Formulation : PC(MI 22) , MBS 4%
Processing condition : extrusion (300℃) , Injection (300℃)
Izod impact : ASTM D256
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使用參考
基體樹脂 【增韌劑EM500 】 添加量
PBT 10~25%
非結(jié)晶PET 10~25%
PC 2~10%
PC/PBT 5~20%
PC/ABS 2~15%
ABS,PS 1~8%