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Preparation of Carbon Black/Natural Rubber Latex Masterbatch in Bead Form

机译:珠状炭黑/天然橡胶胶乳母料的制备

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Carbon blackatural rubber latex masterbatch in the form of spherical beads was prepared according to the acid-precipitation method.High -loading casrbon black(40 phr) was incorporated in natural rubber with the aid of a nonionic surfactant (Nonidet P40) .Shearing the beads in an internal mixer provided good interaction of carbon black in the rubber matrix and hence the high bound rubber content .Results confirmed the contribution of chemical interaction to the bound rubber content .By an oxidation process ,the size of modified carbon black was reduced, whereas the large agglomeration took place in the case of partially graphitized carbon black.
机译:根据酸沉淀法制备了球形珠状炭黑/天然橡胶胶乳母料,并在非离子表面活性剂(Nonidet P40)的辅助下,将40份高载量的炭黑加入天然橡胶中。内部混合器中的珠粒使橡胶基质中的炭黑具有良好的相互作用,因此胶结橡胶含量高。结果证实了化学相互作用对胶结橡胶含量的贡献。通过氧化过程,改性炭黑的尺寸减小了,而在部分石墨化的炭黑中发生了大的团聚。

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