Relation between aggregation and heterogeneity of obtained structure in sol-gel derived CaO-P2O5-SiO2

Mika Jokinen; Hanna Rahiala; Jarl B. Rosenholm; Timo Peltola; Ilkka Kangasniemi

doi:10.1023/A:1008642117227

Relation between aggregation and heterogeneity of obtained structure in sol-gel derived CaO-P2O5-SiO2

Mika Jokinen, Hanna Rahiala, Jarl B. Rosenholm, Timo Peltola, Ilkka Kangasniemi

Molekylärvetenskap och -teknik

Forskningsoutput: Tidskriftsbidrag › Artikel › Vetenskaplig › Peer review

49 Citeringar (Scopus)

Sammanfattning

Potentially bioactive sol-gel derived CaO-P2O 5-SiO2 systems are studied and the influence of aggregation mechanism on the gel structure is discussed. A rheological measuring technique is used to monitor the aggregation process and the results are related to heterogeneity of the obtained gel structure. The results indicate that heterogeneity is produced in the sol-gel transition when calcium nitrate and phosphoric acid are used as precursors of CaO and P 2O5. This destroys the correlation between bioactivity and the calcium and phosphorus content of the gel derived glasses.

Originalspråk	Engelska
Sidor (från-till)	159-167
Antal sidor	9
Tidskrift	Journal of Sol-Gel Science and Technology
Volym	12
Nummer	3
DOI	https://doi.org/10.1023/A:1008642117227
Status	Publicerad - nov. 1998
MoE-publikationstyp	A1 Tidskriftsartikel-refererad

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@article{197655664635440e9472c64db4c1ab04,

title = "Relation between aggregation and heterogeneity of obtained structure in sol-gel derived CaO-P2O5-SiO2",

abstract = "Potentially bioactive sol-gel derived CaO-P2O 5-SiO2 systems are studied and the influence of aggregation mechanism on the gel structure is discussed. A rheological measuring technique is used to monitor the aggregation process and the results are related to heterogeneity of the obtained gel structure. The results indicate that heterogeneity is produced in the sol-gel transition when calcium nitrate and phosphoric acid are used as precursors of CaO and P 2O5. This destroys the correlation between bioactivity and the calcium and phosphorus content of the gel derived glasses.",

keywords = "Aggregation, Bioceramics, Rheology, Sol-gel, Structure",

author = "Mika Jokinen and Hanna Rahiala and Rosenholm, {Jarl B.} and Timo Peltola and Ilkka Kangasniemi",

year = "1998",

month = nov,

doi = "10.1023/A:1008642117227",

language = "English",

volume = "12",

pages = "159--167",

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T1 - Relation between aggregation and heterogeneity of obtained structure in sol-gel derived CaO-P2O5-SiO2

AU - Jokinen, Mika

AU - Rahiala, Hanna

AU - Rosenholm, Jarl B.

AU - Peltola, Timo

AU - Kangasniemi, Ilkka

PY - 1998/11

Y1 - 1998/11

N2 - Potentially bioactive sol-gel derived CaO-P2O 5-SiO2 systems are studied and the influence of aggregation mechanism on the gel structure is discussed. A rheological measuring technique is used to monitor the aggregation process and the results are related to heterogeneity of the obtained gel structure. The results indicate that heterogeneity is produced in the sol-gel transition when calcium nitrate and phosphoric acid are used as precursors of CaO and P 2O5. This destroys the correlation between bioactivity and the calcium and phosphorus content of the gel derived glasses.

AB - Potentially bioactive sol-gel derived CaO-P2O 5-SiO2 systems are studied and the influence of aggregation mechanism on the gel structure is discussed. A rheological measuring technique is used to monitor the aggregation process and the results are related to heterogeneity of the obtained gel structure. The results indicate that heterogeneity is produced in the sol-gel transition when calcium nitrate and phosphoric acid are used as precursors of CaO and P 2O5. This destroys the correlation between bioactivity and the calcium and phosphorus content of the gel derived glasses.

KW - Aggregation

KW - Bioceramics

KW - Rheology

KW - Sol-gel

KW - Structure

UR - https://www.mendeley.com/catalogue/51b0079a-d042-3cb3-b9d1-c8045e90be1f/

U2 - 10.1023/A:1008642117227

DO - 10.1023/A:1008642117227

M3 - Article

SN - 0928-0707

VL - 12

SP - 159

EP - 167

JO - Journal of Sol-Gel Science and Technology

JF - Journal of Sol-Gel Science and Technology

IS - 3

ER -

Relation between aggregation and heterogeneity of obtained structure in sol-gel derived CaO-P2O5-SiO2

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