NEPEM-W系列膜产品说明
1.厚度和克重性能1
|
型号
|
厚度(μm)
|
克重(g/m2)
|
|
N-115W
|
125
|
246
|
|
N-116W
|
150
|
295
|
|
N-117W
|
175
|
345
|
2.物理和其它性能
|
物理性能
|
技术指标
|
测试方法
|
|
拉伸测试(23°C, 50% RH)
|
|
|
|
拉伸强度(最大，MPa)
|
≥28
|
GB/T 20042.3-2022 |
|
弹性模量(MPa)
|
≥200 |
GB/T 20042.3-2022 |
|
断裂伸长率(%)
|
≥200 |
GB/T 20042.3-2022 |
|
比重
|
1.98
|
—
|
|
其它性能
|
|
|
|
电导率2(S/cm)
|
≥0.100
|
GB/T 20042.3-2022
|
|
酸容量3(meq/g)
|
1.05±0.05
|
GB/T 20042.3-2022 |
|
水中溶解氢含量4(ppb，最大)
|
1000
|
KeRun，跟国外某品牌N11系列性能基本一致。
|
3.水解性能
|
水解性能
|
技术指标
|
测试方法
|
|
含水量5(%)
|
5.0±3.0
|
GB/T 20042.3-2022 |
|
吸水率6(%)
|
50.0±5.0
|
GB/T 20042.3-2022 |
|
厚度溶胀率 (23°C, 50% RH)
|
|
|
|
23°C浸泡(%)
|
≤18
|
GB/T 20042.3-2022 |
|
100°C浸泡(%)
|
≤30 |
GB/T 20042.3-2022 |
|
线性溶胀率 (23°C, 50% RH)
|
|
|
|
23°C浸泡(%)
|
≤16
|
GB/T 20042.3-2022 |
|
100°C浸泡(%)
|
≤20
|
GB/T 20042.3-2022 |
1膜测试前在23°C, 50% RH环境下至少放置24h，产氢量测试需要将膜在水中浸泡一夜后测试较为稳定。
2电导率测试是23°C, 100% RH下进行。
3酸容量测试是采用烧碱溶液等量滴定膜中的磺酸根总量，从而推算出膜的酸容量或者交换当量。
4水中溶解氢含量是采用富氢水杯测试笔(即日本进口溶存水素计)检测产品生成水中的氢含量。这不是常规测试。
5膜在23°C, 50% RH环境下相对于干膜的含水量。
6膜在100°C, 水煮1h后相对于干膜的吸水率。
Properties of NEPEM® PFSA membranes.
1. Thickness and Basis Weight Properties1
|
Membrane Type
|
Thickness(microns)
|
Weight(g/m2)
|
|
N-115W
|
125
|
246
|
|
N-116W
|
150
|
295
|
|
N-117W
|
175
|
345
|
2. Physical and Other Properties
|
Physical and Other Properties
|
Index Parameters
|
Test Method
|
|
Tensile Test (23°C, 50% RH)
|
|
|
|
Tensile Strength(Max., MPa)
|
38
|
GB/T 20042.3-2022 |
|
Tensile Modulu(MPa)
|
250
|
GB/T 20042.3-2022 |
|
Elongation at break(%)
|
200
|
GB/T 20042.3-2022 |
|
Specific Gravity
|
1.98
|
—
|
|
Other Properties
|
|
|
|
Conductivity 2(S/cm)
|
≥0.100
|
GB/T 20042.3-2022
|
|
Acid Capacity 3(meq/g)
|
1.05±0.05
|
GB/T 20042.3-2022
|
|
Dissolved Hydrogen Concentration4(ppb，max)
|
1000
|
KeRun, the performance of hydrogen production can be comparable to that of foreign brands N11-series.
|
3. Hydrolytic Properties
|
Hydrolytic Properties
|
Index Parameters
|
Test Method
|
|
Water Content 5(%)
|
5.0±3.0
|
GB/T 20042.3-2022 |
|
Water Uptake 6(%)
|
50.0±5.0
|
GB/T 20042.3-2022 |
|
Thickness Change, % increase
|
|
|
|
from 50% RH, 23°C to water soaked, 23°C
|
≤18
|
GB/T 20042.3-2022 |
|
from 50% RH, 23°C to water soaked, 100°C
|
≤30 |
GB/T 20042.3-2022 |
|
Linear expansion, % increase
|
|
|
|
from 50% RH, 23°C to water soaked, 23°C
|
≤16
|
GB/T 20042.3-2022 |
|
from 50% RH, 23°C to water soaked, 100°C
|
≤20
|
GB/T 20042.3-2022
|
1Measurements taken with membrane conditioned to 23°C, 50% RH.
2Conductivity measurements a 23 °C, 100% RH.
3A base titration procedure measures the equivalents of sulfonic acid in the polymer, and uses the measurement to calculate the acid capacity or equivalent weight of the membrane.
4Dissolved Hydrogen Concentration was performed using a Hydrogen-rich water test pen (ENH-1000 Portable Dissolved hydrogen Meter), which was based on the principle of oxidation reduction potential in the solution to calculate the dissolved hydrogen concentration.
5Water content of membrane conditioned to 23 °C and 50% RH (dry weight basis).
6Water uptake from dry membrane to conditioned in water at 100 °C for 1 hour (dry weight basis).
