Low-precipitation halogen-free flame-retardant polyphenylene ether-polyamide resin alloy and preparation method thereof
A polyamide resin and polyphenylene ether technology, which is applied in the field of low precipitation halogen-free flame retardant polyphenylene ether-polyamide resin alloy and its preparation field, can solve the problems of difficult flame retardant requirements, easy precipitation, difficult processing technology and the like
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Embodiment 1
[0032] The invention discloses a low-precipitation halogen-free flame-retardant polyphenylene ether-polyamide resin alloy, which includes raw material components including the following weight percentages:
[0033] Polyphenylene ether 10%-50%, mixed polyamide resin 15%-65%, halogen-free flame retardant 5%-25%, compatibilizer 3%-15%, toughening agent 3%-15%, antioxidant Agent 0.1%-0.5%, toughening agent 0.2%-0.6%, other processing aids 0.5%-1%.
[0034] Among them, the viscosity range of polyphenylene ether resin is 0.3-0.5dl / g.
[0035] Among them, the mixed polyamide resin contains 80%-90% of the A-component polyamide MX resin and 10%-20% of the B-component polyamide resin with a melting point above 240°C. The total weight of the two components is 100% The A component polyamide MX resin is a polyamide resin obtained by the polycondensation reaction of metaxylylene diamine and α, ω-linear aliphatic dibasic acid or aromatic dibasic acid. The B component polyamide resin The amide res...
Embodiment 2
[0048] In this example, the material preparation formula is optimized based on Example 1, and the following experimental groups are established:
[0049] Table 1 List of experimental groups
[0050] project
Experimental group 1
Experimental group 2
Experimental group 3
Experimental group 4
Experimental group 5
Experimental group 6
Experimental group 7
Polyphenylene ether / %
10
20
40
50
20
40
50
MXD6 resin / %
53
48
35
21
53
35
30
PA66 resin / %
5
5
3
2
5
3
3
OP1314 / %
20
15
10
17
12
12
7
MPP / %
2
2
2
0
0
0
0
Compatibilizer / %
5
5
5
5
5
5
5
Toughening agent / %
3
3
3
3
3
3
3
Antioxidant / %
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Nucleating agent / %
0.3
0.3
0.3
0.3
0.3
0.3
0.3
Processing aids / %
1.6
1.6
1.6
1.6
1.6
1.6
1.6
[0051] Among them, the flame retardant uses halogen-free flame retardant Exolit OP1314 and melamine polyphosphate MPP.
[0052] And for the low-precipitation, halogen-free, flame-retardant polyphenylene ether-polyamide resin alloy materials obtained in experimental groups 1-7, standard samples are injected by injection molding ...
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