Preparation and Properties of Ethylene Glycol Carbon Black Paste

doi:10.19894/j.issn.1000-0518.220181

Chinese Journal of Applied Chemistry ›› 2023, Vol. 40 ›› Issue (3): 389-396.DOI: 10.19894/j.issn.1000-0518.220181

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Preparation and Properties of Ethylene Glycol Carbon Black Paste

Yu-Xi WANG¹^,², Dong WANG¹^,², Chun-Xia TANG¹^,², Chang-Sen DU³, Shu-Qin FENG³, Shao-Hai FU¹^,²()

^1.Jiangsu Engineering Research Center for Digital Textile Inkjet Printing，Jiangnan University，Wuxi 214122，China
^2.Key Laboratory of Eco-Textiles，Ministry of Education，Jiangnan University，Wuxi 214122，China
^3.Suzhou Sunmun Technology Co. Ltd. ，Kunshan 215337，China

Received:2022-05-16 Accepted:2022-12-07 Published:2023-03-01 Online:2023-03-27
Contact: Shao-Hai FU
About author:shaohaifu@hotmail.com
Supported by:
the National Key Research and Development Program(2020YFB0311401)

Abstract

Abstract:

Ethylene glycol-based carbon black slurry is prepared by ultra-fine dispersion method， and the influence of mass ratio of dispersant to carbon black， grinding time and rotation speed on carbon black particle size is clarified by single-factor variable method. Ethylene glycol-based carbon black slurry is prepared by orthogonal experiment optimization of carbon black dispersion process， and the morphological structure and dispersion status of carbon black in ethylene glycol solution are observed. The results show that when the mass ratio of dispersant to carbon black is 1∶10， the grinding time is 180 min and the rotational speed is 3500 r/min， the dispersion effect of carbon black is the best， and the average particle size is 170.89 nm. The centrifugal stability in ethylene glycol solution is more than 90%， the heat resistance stability is more than 90%， and it has excellent storage stability.

Key words: Dispersant, Nano carbon black, Glycol-based, Orthogonal optimization

CLC Number:

O648

Yu-Xi WANG, Dong WANG, Chun-Xia TANG, Chang-Sen DU, Shu-Qin FENG, Shao-Hai FU. Preparation and Properties of Ethylene Glycol Carbon Black Paste[J]. Chinese Journal of Applied Chemistry, 2023, 40(3): 389-396.

Figures/Tables 10

References 22

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Factor	Mass ratio of dispersant and CB	Milling time/min	Milling speed/（r·min^-1）	Size/nm
Experiment 1	1∶10	150	2 500	182.53
Experiment 2	1.5∶10	180	3 000	181.63
Experiment 3	2∶10	210	3 500	176.53
Experiment 4	1∶10	180	3 500	174.43
Experiment 5	1.5∶10	210	2 500	177.90
Experiment 6	2∶10	150	3 000	181.07
Experiment 7	1∶10	210	3 000	175.90
Experiment 8	1.5∶10	150	3 500	173.17
Experiment 9	2∶10	180	2 500	176.47
Average value 1	177.620	178.923	178.967
Average value 2	177.567	177.510	179.533
Average value 3	178.023	176.777	174.710
Range	0.456	2.146	4.823

Factor	Mass ratio of dispersant and CB	Milling time/min	Milling speed/（r·min^-1）	Size/nm
Experiment 1	1∶10	150	2 500	182.53
Experiment 2	1.5∶10	180	3 000	181.63
Experiment 3	2∶10	210	3 500	176.53
Experiment 4	1∶10	180	3 500	174.43
Experiment 5	1.5∶10	210	2 500	177.90
Experiment 6	2∶10	150	3 000	181.07
Experiment 7	1∶10	210	3 000	175.90
Experiment 8	1.5∶10	150	3 500	173.17
Experiment 9	2∶10	180	2 500	176.47
Average value 1	177.620	178.923	178.967
Average value 2	177.567	177.510	179.533
Average value 3	178.023	176.777	174.710
Range	0.456	2.146	4.823

Origin	Class III sum of squares	Degree of freedom	Mean square	F value	P value
Modified model	253.785	8	31.723	5.080	0.002
Nodal increment	852 515.751	1	852 515.751	136 507.682	0.000
Dosage of dispersant	1.401	2	0.700	0.112	0.895
Milling time	21.423	2	10.711	1.715	0.208
Milling speed	120.850	2	60.425	9.675	0.001
Error	112.413	18	6.245
Total	852 881.950	27
Corrected total	366.199	26

Origin	Class III sum of squares	Degree of freedom	Mean square	F value	P value
Modified model	253.785	8	31.723	5.080	0.002
Nodal increment	852 515.751	1	852 515.751	136 507.682	0.000
Dosage of dispersant	1.401	2	0.700	0.112	0.895
Milling time	21.423	2	10.711	1.715	0.208
Milling speed	120.850	2	60.425	9.675	0.001
Error	112.413	18	6.245
Total	852 881.950	27
Corrected total	366.199	26

Mass ratio of dispersant and CB	Subset	Milling time/min	Subset	Milling speed/（r·min^-1）	Subset
Mass ratio of dispersant and CB	1	Milling time/min	1	Milling speed/（r·min^-1）	1	2
1∶10	177.62	150	178.90	2 500		178.97
1.5∶10	177.46	180	177.40	3 000		179.4
2∶10	178.00	210	176.78	3 500	174.71
Sig.	0.89	Sig.	0.197	Sig.	1.00	0.717

Preparation and Properties of Ethylene Glycol Carbon Black Paste

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Figures/Tables 10

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Daysof placement	Without PVP K30		With PVP K30
Daysof placement	Size/nm	PDI	Size/nm	PDI
0	183.4	0.364	165.7	0.114
1	159.8	0.139	166.8	0.134
2	159.2	0.154	165.3	0.112
7	157.6	0.096	163.9	0.103

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