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PP Blending modification

Views:3     Author:Vera     Publish Time: 2018-10-12      Origin:Site

PP Blending modification


Blending modification refers to the blending of other plastics, rubber, or thermoplastic elastomers with PP and filling them into larger crystal spheres in PP to improve the toughness and low temperature brittleness of PP.

 

Example of blending modified formula

 

Raw material

Basic formula

/ portion

Raw material

Basic formula

/ portion

PP( T30S)

100

PA6 (M2800)

14

PP-g-MAH

6

Nanometer CaCO3

12

Processing:

Temperature

(unit: ℃)

Zone 1

Zone 2

Zone 3

Zone 4

Zone 5

Zone 6

Diehead

175

185

190

210

225

235

215

Attention:

(1) PA6 was dried in 80 ℃ blast dryer for 8 h;

(2) PP-g-MAH drying in 75 ℃ blast dryer for 4 h;

(3) Mix evenly in high speed mixer according to formula weighing, 

then granulation by blending and extruding with twin-screw extruder.

 


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