PVDF D-1的溶胀特性

四氟

Maximum Solvent Uptake (wt%)

Dimethyl Carbonate

Battery Grades	30°C	40°C	50°C	60°C
KYNAR 741	14	15	17	24
KYNAR 301F	16	20	25	30
KYNAR FLEX 2801	60	148	/	/
PVDF D-1 LM	6.52	8.16	17.3	25.3
PVDF D-1 MM	8.31	8.41	23.6	29.1
PVDF D-1 HM	8.52	8.97	24.9	28.6

Diethyl Carbonate

Battery Grades	30°C	40°C	50°C	60°C
KYNAR 741	7	7	8	10
KYNAR 301F	9	10	11	13
KYNAR FLEX 2801	21	26	32	45
PVDF D-1 LM	0.57	0.73	2.66	2.86
PVDF D-1 MM	0.61	0.63	2.05	3.3
PVDF D-1 HM	0.77	0.86	1.95	3.86

Propylene Carbonate

Battery Grades	30°C	40°C	50°C	60°C
KYNAR 741	14	15	16	21
KYNAR 301F	17	20	25	30
KYNAR FLEX 2801	39	52	101	/
PVDF D-1 LM	2.17	2.8	4.88	9.93
PVDF D-1 MM	1.55	3.25	5.54	13.1
PVDF D-1 HM	1.81	3.91	6.82	13.8

Note:

1. Data of KYNAR series:

Obtained from the document of “KYNAR PVDF F0R LITHIUM BATTERIES”

2. PVDF D-1 series:
LM=low molecular weight, MM=Medium molecular weight, HM=High molecular weight

Rate of Solvent Uptake (g/s0.5, ×10-4)

Dimethyl Carbonate

Battery Grades	30°C	40°C	50°C	60°C
KYNAR 741	6	11	20	41
KYNAR 301F	2	5	10	30
KYNAR FLEX 2801	108	317	/	/
PVDF D-1 LM	2.7	9.7	12.5	18.0
PVDF D-1 MM	1.9	6.8	5.7	17.8
PVDF D-1 HM	1.3	3.2	6.0	14.3

Diethyl Carbonate

Battery Grades	30°C	40°C	50°C	60°C
KYNAR 741	0.65	1.6	2.9	5.8
KYNAR 301F	0.32	0.69	1.7	2.5
KYNAR FLEX 2801	11	21	49	140
PVDF D-1 LM	1.14	1.7	2.6	2.8
PVDF D-1 MM	0.72	0.9	1.3	1.53
PVDF D-1 HM	0.68	0.83	1.07	1.43

Propylene Carbonate

Battery Grades	30°C	40°C	50°C	60°C
KYNAR 741	1.4	2.8	5.8	12
KYNAR 301F	0.85	1.9	4.5	10.3
KYNAR FLEX 2801	16	33.8	136	790
PVDF D-1 LM	4.27	6.43	10.83	4.03
PVDF D-1 MM	1.07	1.53	4.17	5.6
PVDF D-1 HM	1.13	2.97	3.0	3.57

Note:

1. Data of KYNAR series:

Obtained from the document of “KYNAR PVDF F0R LITHIUM BATTERIES”

2. PVDF D-1 series:
LM=low molecular weight, MM=Medium molecular weight, HM=High molecular weight

Diffusion Coefficient of Solvents (cm2/s, ×10-9)

Dimethyl Carbonate

Battery Grades	30°C	40°C	50°C	60°C
KYNAR 741	1.8	4.5	15	35
KYNAR 301F	0.85	3.8	7.9	50.1
KYNAR FLEX 2801	34	69	/	/
PVDF D-1 LM	1.4	6	15.2	28.7
PVDF D-1 MM	1.9	7.7	20.3	36.9
PVDF D-1 HM	2.5	11.7	23.5	43.1

Diethyl Carbonate

Battery Grades	30°C	40°C	50°C	60°C
KYNAR 741	0.091	0.37	1.4	3.5
KYNAR 301F	0.056	0.21	1.1	1.8
KYNAR FLEX 2801	2.3	6.4	26	105
PVDF D-1 LM	0.013	0.3	2.1	3.2
PVDF D-1 MM	0.54	1.9	3.74	4.7
PVDF D-1 HM	0.64	1.77	4.24	5.9

Propylene Carbonate

Battery Grades	30°C	40°C	50°C	60°C
KYNAR 741	0.12	0.34	1.1	4.0
KYNAR 301F	0.14	0.46	1.5	5.2
KYNAR FLEX 2801	1.7	4.7	27	83
PVDF D-1 LM	0.18	0.25	1.22	3.6
PVDF D-1 MM	0.206	0.59	1.40	5.8
PVDF D-1 HM	0.21	0.63	1.74	6.4

Note:

1. Data of KYNAR series:

Obtained from the document of “KYNAR PVDF F0R LITHIUM BATTERIES”

2. PVDF D-1 series:
LM=low molecular weight, MM=Medium molecular weight, HM=High molecular weight