塑料改质剂、片材用塑料改质剂、PVC改质剂K-71在透明片材中的应用
Summary of K-71
PVC片材用改质剂K-71简介
1. Improvement of Impact Strength
提高冲剂强度
√K-71 improved almost 3%~5% at impact strength
√K-71提升3%~5%的冲击强度（原配方）。
2. Improvement of Fish Eye characteristics
晶点的改善
√ K-71 improved fish eye characteristic,
改善晶点
it can help to manufacture better
surface quality transparency sheet.
提升透明片材的表面性能
3. Other physical properties and
processing are almost same.
物理性能及加工性能
√ Easy processing
加工更容易
√ Improvement thermal stability
改善热稳定性
Comparison of processing
PVC片材用改质剂K-71性能比较
K-71 is added Formulations，it has easy processing because of better lubrication ability.
添加了K-71的配方具有更好的加工流变性能。
Fusion Behavior(塑化情况)
Grade | F/Time(sec)塑化 | F/Torque(N.m)塑化扭矩 | E/Torque(N.m)平衡扭矩 |
NA | 59 | 36 | 17.6 |
K-71 | 52 | 36.2 | 16.5 |
Test Condition（测试条件）
1. Machine : T（设备）hermo Haake PolyDrive（哈克流变仪）
2. Mixer Temp（温度设定）: 155 ℃ / Rotor speed （转速）: 70 rpm / Charge Weight （投料量）: 56 g
3. SQ Comp’d + MBS 7 PHR（添加7phr的MBS）
Comparison of physical & Optical Property
PVC片材用改质剂K-71物理性能及透明性比较
TEST Items | unit | K-71 | Non |
MBS | 8phr | Non break ratio | 70 | 63 |
Crease Whitening | Haze | 15.6 | 16.7 |
Transparency(3mm press) | Tt | | 75.3 | 70.5 |
| | Haze | | 4.3 | 4.6 |
Fish eye | 5 scale | 4.0 | 6.0 |
Test Condition（测试条件）
1. Machine : Rotary Impact Tester 设备：旋转式冲击试验机
2. Test Temp.测试温度 : Room Temperature室温 (23 ℃)
3. Rotary Impact Strength 旋转冲击强度: 6phr: 1,000rpm X 15sec, 8phr: 1,060rpm X 15sec
4. Roll-mill press压片 : 195℃ _ 185℃ pressed压。
