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Citation: JIA Yi, ZHU Chunjiang, QIN Zheng, SUN Yongfei. Preparation and Performance of Hydroxyl-Terminated Oligomeric Polysiloxane Grafted Toughened Phenolic Resins[J]. Chinese Journal of Applied Chemistry, ;2014, 31(5): 566-569. doi: 10.3724/SP.J.1095.2014.30355 shu

Preparation and Performance of Hydroxyl-Terminated Oligomeric Polysiloxane Grafted Toughened Phenolic Resins

JIA Yi ^a,b,, ,
ZHU Chunjiang ^a ,
QIN Zheng ^c ,
SUN Yongfei ^c

1.
a Baogang Steel Development Co., Ltd., Shanghai 201900, China;
2.
b School of Management, Shanghai University, Shanghai 200444, China;
3.
c School of Environmental & Chemical Engineering, Shanghai University, Shanghai 200444, China

Corresponding author: JIA Yi,
Received Date: 17 July 2013
Available Online: 23 September 2013
Fund Project: 上海市科委火炬计划(07DZ11102)资助项目 (07DZ11102)

The hydroxy-terminated oligomeric polysiloxane(HO-PDM) grafted toughened phenolic resin was prepared by the copolymerization of HO-PDM with formaldehyde and phenol.The structure of modified phenolic resin was characterized by FT-IR.The mechanical properties of phenolic resin before and after modification were tested by the electron universal testing machine.The thermal stability of modified phenolic resin was analyzed with the thermal gravimetry.The elongation at break,impact strength,tensile strength of modified phenolic resin are estimated as 2.8%,2.875 kJ/m² and 23.2 MPa,respectively.The temperature of modified resin at 20% mass loss is 431.28℃,the peak temperature is 441.8℃,and the residual mass rate at 800℃ is 51.02%.
- phenolic resin,
- polydimethylsiloxane,
- copolymerization
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