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PP Functional Modification

Views:2     Author:Vera     Publish Time: 2018-10-15      Origin:Site

PP Functional Modification


Wood powder filled PP

Name of material

Addition ratio

PP                                           

92.5%

Wood powder (treated with 17.5%NaOH, 40~60μm)

 7.5%

Modified material properties

Tensile strength /MPa

27.9

Elongation/%

498

Notched impact strength of simply supported beam 23℃/(KJ/m2)

6.31

Bending strength /MPa

60.6

Composite reinforced PP material

PP

100

Glass fiber

25

Mica powder

15

Silane coupling agent    

0.5~1

PP/EVA/CaCO3 Toughening system

PP 

100

 CaCO3 

30

EVA(VA15%)

20

HDPE

10

Ceresin wax

2

Antioxygen

1

Antistatic polypropylene

PP 

100

HZ-14 (Anstatic agent)

1

Technical white oil

0.2

Color pigment

Appropriate amount

Antiaging PP formula

PP

100

Antioxygen 1010

0.1

Antioxygen DSTP

0.3

Deoxidant

0.3

Stabilizer 77D

0.05

Ultraviolet absorbent  BAD

0.1

Ultraviolet absorbent  327

0.15

Processing conditions:

(1)Granulation: temperature 170℃、175℃、185℃、185℃;Screw speed 70r/min。 

(2)Film blowing:temperature 170℃、200℃、225℃、230℃;Screw speed 30r/min;Traction speed 6r/min。

High impact PP/Mg (OH) 2 Flame retardant material

PP

50

Mg(OH)2

50

Rare earth coupling agent

2.5

Processing conditions:

(1) Dry Mg(OH)2 at 120℃ for 10h;

(2) Add the rare earth coupling agent into the high temperature reactor, and stir at 60℃ for 10 min.

 


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Email : ranolfo.borges@gmail.com

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