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Walter de Gruyter GmbH e-Polymers 24(1)
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    초록·키워드

    Abstract An aqueous aminosilane oligomer, Crosile ® 8150 (hereinafter referred to as 8150) was introduced to flocculate natural rubber latex, realizing the preparation of natural raw rubber and natural rubber composites. Compared with smoked rubber, the natural raw rubber flocculated with 2, 4, and 6 phr 8150 exhibited lower glass transition temperatures, enhancing the flexibility of the molecular chain, improving the plasticity retention rates by 18.32%, 1.75%, and 22.18%, respectively, and increasing the resistance to thermo-oxidative aging. The silica/natural rubber composites prepared from natural dry rubber prepared by 8150 flocculation had superior rolling resistance properties compared to smoked rubber. The application of 8150 in the preparation of natural rubber composites eliminates the acid and salt flocculants. This reduction in the generation of waste gases and equipment corrosion during the flocculation process enhances the preparation quality of natural dry rubber. The research provides significant theoretical and practical implications for realizing high-quality natural dry rubber.

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