Influence of Breast Implant Surface Finishing on Physicochemical and Mechanical Properties before and after Extreme Degradation Studies.

IF 3 Q3 MATERIALS SCIENCE, BIOMATERIALS International Journal of Biomaterials Pub Date : 2021-06-29 eCollection Date: 2021-01-01 DOI:10.1155/2021/8850577

Izabelle de Mello Gindri, Lucas Kuth de Azambuja, Michele da Silva Barreto, Dionatha José do Prado, Gean Vitor Salmoria, Carlos Rodrigo de Mello Roesler

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Abstract

The influence of the surface finishing of breast implants on physicochemical and mechanical properties, before and after extreme degradation experiments, was investigated in this study. Removal of superficial layers after degradation was verified for both smooth and rough membranes, in which local erosion was verified. FTIR results demonstrated the generation of low-molecular-weight structures in all samples due to exposure to acidic and basic environments. Furthermore, smooth samples presented higher degrees of crosslinking than rough samples. Considering the mechanical properties, no difference was verified between smooth and rough samples as received and after degradation studies. However, the pH of the degradation solution had an influence on mechanical properties of the material and a basic environment caused greater deterioration of the mechanical properties compared to acidic conditions.

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极端降解研究前后乳房植入物表面处理对物理化学和机械性能的影响

本研究调查了乳房植入物在极端降解实验前后的表面处理对物理化学和机械性能的影响。光滑膜和粗糙膜在降解后的表层脱落都得到了验证，其中局部侵蚀也得到了验证。傅立叶变换红外光谱（FTIR）结果表明，由于暴露在酸性和碱性环境中，所有样品都产生了低分子量结构。此外，光滑样品的交联度高于粗糙样品。在机械性能方面，光滑样品和粗糙样品在收到时和降解研究后没有差异。不过，降解溶液的 pH 值对材料的机械性能有影响，与酸性环境相比，碱性环境导致的机械性能恶化程度更大。

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