化学改性硅藻土制备阻燃材料及微结构研究*
王亚超, 赵江平

Preparation and Microstructure of Chemical Modified Diatomite as Flame Retardant
WANG Yachao, ZHAO Jiangping
表2 刷涂硅藻土基阻燃材料EPS的阻燃性能
Table 2 Flame-retardant performances of EPS covered samples
Samples NaOH/molL-1 Na2SiO3/molL-1 LOI/ % T1/s T2/s T3/s Melting drop UL-94
S0
S1
0
2
0
0
28.5
32.8
18
9
24
15
35
28
Yes
Yes
V2
V2
S2 3 0 33.5 8 13 25 No V1
S3 4 0 35.2 7 13 20 No V1
S4 5 0 35.5 6 12 18 No V1
S5 0 1 32.5 15 26 32 Yes V2
S6 0 1.5 33.9 13 20 26 No V1
S7 0 2 34.5 12 13 20 No V1
S8 0 2.5 34.7 11 12 16 No V1
S9 1 0.5 33.2 8 20 23 No V1
S10 1.5 0.75 34.8 8 18 18 No V1
S11 2 1 36.6 7 10 16 No V1
S12 2.5 1.25 36.8 7 9 15 No V1