Citation: Guo-dong Zhao, Xiao-bo Liu, Guang-nan Qiu, Jian-ming Xu, Shi-ping Xie, Xian-feng Liu, Jian-song Yang, Lan-hang Xu. PREPARATION OF MDPE-g-MAH COPOLYMERS AND THEIR EFFECT ON PROPERTIES OF MDPE/CaCO3 SYSTEMS[J]. Chinese Journal of Polymer Science, ;2013, 31(9): 1271-1275. doi: 10.1007/s10118-013-1334-4 shu

PREPARATION OF MDPE-g-MAH COPOLYMERS AND THEIR EFFECT ON PROPERTIES OF MDPE/CaCO3 SYSTEMS

Received Date: 2 April 2013
Revised Date: 2 July 2013

MDPE-g-MAH copolymers were prepared with MDPE (medium density polyethylene) and MAH (maleic anhydride) under different irradiation doses of high-energy electron accelerator, and FTIR spectra confirmed their structure. The effect of the different contents of MDPE-g-MAH copolymers on properties of MDPE/CaCO3 system is studied intensively. By adding 4 Phr (parts per hundred of resin) MDPE-g-MAH in MDPE/CaCO3 system under irradiation dose of 0.7 MGy, the tensile strength increases from 16.3 MPa to 19.9 MPa, and elongation at break increases from 437% to 518%. SEM images show the domain size of CaCO3 in MDPE-g-MAH systems becomes small. Definitely, MDPE-g-MAH copolymer could improve the compatibility of MDPE/CaCO3 system effectively.
- MDPE-g-MAH copolymer,
- MDPE,
- CaCO3,
- Irradiation modification,
- Compatibility
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