Preparation and characterization of a silicon-containing arylacetylene resin with cyano groups

MA Manping; DAI Niping; LI Chuan; LIU Xiaotian; YUAN Qiaolong; HUANG Farong

doi:10.13801/j.cnki.fhclxb.20200507.003

Volume 37 Issue 12

Dec. 2020

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MA Manping, DAI Niping, LI Chuan, et al. Preparation and characterization of a silicon-containing arylacetylene resin with cyano groups[J]. Acta Materiae Compositae Sinica, 2020, 37(12): 3035-3042. doi: 10.13801/j.cnki.fhclxb.20200507.003

Citation:

MA Manping, DAI Niping, LI Chuan, et al. Preparation and characterization of a silicon-containing arylacetylene resin with cyano groups[J]. Acta Materiae Compositae Sinica, 2020, 37(12): 3035-3042. doi: 10.13801/j.cnki.fhclxb.20200507.003

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Preparation and characterization of a silicon-containing arylacetylene resin with cyano groups

doi: 10.13801/j.cnki.fhclxb.20200507.003

Key Laboratory for Special Polymer Materials and Related Technology, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China

Received Date: 2020-03-09
Accepted Date: 2020-04-10

Available Online: 2020-05-07

Publish Date: 2020-12-15

Abstract

Abstract

A silicon-containing arylacetylene resin with cyano groups (CNSA resin) was formed by reaction of 2,6-bis-(4-ethynylphenoxy)-phenylnitrile polymerized with dimethyldichlorosilane by the catalysis of anhydrous zinc trifluoromethane sulfonate at room temperature. The structure and properties of the CNSA resin were characterized by ¹H-NMR, FTIR, DSC and TGA analysis techniques. The results show that the CNSA resin has good solubility and a wide processing window. The curing reactions of the CNSA resin take place at low temperature (<200℃). The cured CNSA resin has good heat resistance. There is no glass transition in the temperature range of 50−400℃. The decomposition temperature of 5% mass loss T_d5 is 512℃ in nitrogen. The flexural strength and the flexural modulus of T300 carbon fiber cloth/CNSA (CF/CNSA) composites are 383.8 MPa and 62.9 GPa at room temperature, respectively.
- cyano group,
- silicon-containing arylacetylene resin,
- catalytic polymerization,
- composite,
- curing reaction
Long Abstrsct
Innovation Points

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References(25)

References

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