Preparation of graphene oxide/natural rubber composites by latex cocoagulation: Relationship between microstructure and reinforcement

Yingyan Mao; Chao Wang; Li Liu

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Preparation of graphene oxide/natural rubber composites by latex cocoagulation: Relationship between microstructure and reinforcement

Materials and Product Engineering | Updated：2026-01-06

- Preparation of graphene oxide/natural rubber composites by latex cocoagulation: Relationship between microstructure and reinforcement
- Chinese Journal of Chemical Engineering Vol. 28, Issue 4, Pages: 1187-1193(2020)
- Affiliations：
  
  1. Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University,Beijing,China,100730
  2. National Engineering Research Center for Ophthalmology, Beijing Tongren Hospital, Capital Medical University,Beijing,China,100730
  3. Beijing Special Equipment Inspection & Testing Center,Beijing,China,100029
  4. Beijing Engineering Research Center of Advanced Elastomers, Beijing University of Chemical Technology,Beijing,China,100029
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2020
- Accepted：
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Yingyan Mao, Chao Wang, Li Liu. Preparation of graphene oxide/natural rubber composites by latex cocoagulation: Relationship between microstructure and reinforcement[J]. Chinese Journal of Chemical Engineering, 2020, 28(4): 1187-1193.
DOI：

Yingyan Mao, Chao Wang, Li Liu. Preparation of graphene oxide/natural rubber composites by latex cocoagulation: Relationship between microstructure and reinforcement[J]. Chinese Journal of Chemical Engineering, 2020, 28(4): 1187-1193. DOI：

摘要

Abstract

Graphene oxide (GO) has recently attracted substantial interest as a possible reinforcing agent for next generation rubber composite materials. In this research

GO was incorporated in natural rubber (NR) composites through latex co-coagulation technique. The microstructures of GO/NR composites were characterized through a combination of transmission electron microscope

scanning electron microscope

X-ray diffraction

Fourier transform infrared spectroscopy

and Differential scanning calorimeter. The results showed that highly exfoliated GO sheets were finely dispersed into NR rubber matrix with strong interface interaction between GO and NR. The mechanical properties of the GO/NR composites were further evaluated. The results showed that the tensile strength

tear strength and modulus can be significantly improved at a content of less than 2 phr. Especially

GO exhibited specific reinforce mechanism in NR due to the stress-induced crystallization effects of NR. The stress transfer from the NR to the GO sheets and the hindrance of GO sheets to the stress-induced crystallization of NR were further displayed in stress-strain behavior of GO/NR composites. These enhanced properties were attributed to the high surface area of GO sheets and highly exfoliated microstructures of GO sheets in NR.

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