Natural Polymer Rubber: A Novel Material.

As the second natural rubber resource, rubber (EUR) from Oliver is mainly composed of 1,4-polyisoprene, which is the isomer of natural rubber -1,4-polyisoprene from . In the past few years, the great potential application of EUR has received increasing attention, and there is a growing awareness that the natural polymer EUR could become an emerging research topic in field of the novel materials due to its unique and excellent duality of both rubber and plastic. To gain insight into its further development, in this review, the extraction, structure, physicochemical properties, and modification of EUR are discussed in detail.

Structural analysis and heavy metal adsorption of N-doped biochar from hydrothermal carbonization of Camellia sinensis waste.

N-doped biochar as adsorption material for heavy metal removal has attracted increasing concern in environmental application due to its unique features. Here, N-doped biochar was prepared by hydrothermal carbonization of Camellia sinensis branch waste using KOH/NHCl at 120-280 °C for 2 h under 0.4-6.

Urea/ZnCl in situ hydrothermal carbonization of Camellia sinensis waste to prepare N-doped biochar for heavy metal removal.

Environmental benefits of biochar require a simple and effective method for preparation of functional N-doped biochar. In this study, urea/ZnCl was developed to prepare N-doped biochar via in situ hydrothermal carbonization (HTC) of Camellia sinensis waste at 120-280 °C for 2 h under 1.0-9.