Research Progress on Chemical Modification and Application of Natural Rubber Latex
Natural rubber latex(NRL)has many advantages and is widely used in fields such as tires,medicine,food,agriculture,and chemical industry.However,when NRL is used as an adhesive,the bonding effect on polar materials is relatively poor due to the lack of polar functional groups in its macromolecular chains.When used as a thin film product,NRL has poor tensile and solvent resistance.Therefore,it is necessary to make appropriate modifications to it.In this paper,the research status of NRL grafting copolymerization,epoxidation,halogenation and other chemical modification methods were reviewed,and the relevant progress in physical blending of NRL with fillers after chemical modification was introduced.In future research,it is necessary to further improve the modification technology level of NRL to meet its industrialization requirements in different fields.
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