dc.contributor.author | Sun, Sijia | |
dc.contributor.author | Ding, Hao | |
dc.contributor.author | Wang, Jie | |
dc.contributor.author | Li, Wei | |
dc.contributor.author | Hao, Qiang | |
dc.date.accessioned | 2022-02-07T03:31:46Z | |
dc.date.available | 2022-02-07T03:31:46Z | |
dc.date.issued | 2020 | |
dc.identifier.issn | 0272-8842 | |
dc.identifier.doi | 10.1016/j.ceramint.2020.06.068 | |
dc.identifier.uri | http://hdl.handle.net/10072/412052 | |
dc.description.abstract | In this study, a microsphere SiO2/TiO2 composite pigment (M-SiO2/TiO2) was prepared through a facile grinding and calcination process. The structure and properties of M-SiO2/TiO2 were characterized in detail, and the mechanism governing the improvement of pigment properties by M-SiO2 was proposed. The results of this study show that M-SiO2 and TiO2 are successfully compounded, and their combination is inferred to be achieved by the formation of Si-O-Ti bonds through the hydroxyl groups on their surface. The M-SiO2/TiO2 has almost the same pigment properties as pure titanium dioxide, while the weight fraction of TiO2 in M-SiO2/TiO2 is 70%, which can significantly reduce the consumption of TiO2. In M-SiO2/TiO2, the introduction of M-SiO2 leads to the improvement of the rutile-phase conversion of TiO2, as well as reducing TiO2 particle size; thus, this step can further improve the pigment properties. When the calcination temperature is 900 °C, the TiO2 in M-SiO2/TiO2 is primarily rutile (rutile conversion rate is 88.57%) with a particle size of 0.1-0.3 μm, exhibiting good dispersion. In contrast, pure TiO2 is primarily composed of anatase (rutile conversion rate is 11.39%) with a particle size of 0.2-0.6 μm, exhibiting serious agglomeration. The M-SiO2/TiO2 composite is expected to be applied in the fields of paint, plastic, and papermaking in an effort to significantly reduce the cost and consumption of TiO2 pigment. | |
dc.description.peerreviewed | Yes | |
dc.language | English | |
dc.publisher | Elsevier | |
dc.relation.ispartofpagefrom | 22944 | |
dc.relation.ispartofpageto | 22953 | |
dc.relation.ispartofissue | 14 | |
dc.relation.ispartofjournal | Ceramics International | |
dc.relation.ispartofvolume | 46 | |
dc.subject.fieldofresearch | Chemical sciences | |
dc.subject.fieldofresearch | Creative arts and writing | |
dc.subject.fieldofresearch | Engineering | |
dc.subject.fieldofresearchcode | 34 | |
dc.subject.fieldofresearchcode | 36 | |
dc.subject.fieldofresearchcode | 40 | |
dc.subject.keywords | Science & Technology | |
dc.subject.keywords | Materials Science, Ceramics | |
dc.subject.keywords | SiO2 | |
dc.title | Preparation of a microsphere SiO2/TiO2 composite pigment: The mechanism of improving pigment properties by SiO2 | |
dc.type | Journal article | |
dc.type.description | C1 - Articles | |
dcterms.bibliographicCitation | Sun, S; Ding, H; Wang, J; Li, W; Hao, Q, Preparation of a microsphere SiO2/TiO2 composite pigment: The mechanism of improving pigment properties by SiO2, Ceramics International, 2020, 46 (14), pp. 22944-22953 | |
dc.date.updated | 2022-02-04T05:08:00Z | |
gro.hasfulltext | No Full Text | |
gro.griffith.author | Hao, Derek | |