A fullerene styrene maleic anhydride ternary copolymer was synthesized. It is soluble in water and of spherical shape with an average diameter of about 83 nm. As an additive for a base stock (a triethanolamine solutio...A fullerene styrene maleic anhydride ternary copolymer was synthesized. It is soluble in water and of spherical shape with an average diameter of about 83 nm. As an additive for a base stock (a triethanolamine solution of mass fraction 2%), the fullerene copolymer was able to raise load carrying capacity and reduce the friction coeffient considerably.展开更多
Styrene(St)-maleic anhydride(MA) copolymer(SMA) with high content of maleic anhydride is synthesized by using azobisisobutyronitrile(AIBN) as initiator,using solution-precipitation,and the gradual warming polymerizati...Styrene(St)-maleic anhydride(MA) copolymer(SMA) with high content of maleic anhydride is synthesized by using azobisisobutyronitrile(AIBN) as initiator,using solution-precipitation,and the gradual warming polymerization.The effects of the mole ratio of styrene to maleic anhydride,reaction temperature and the initiator amount on the polymerization is studied.The determination of copolymer composition is also studied for a series of different content of maleic anhydride copolymer by using thermogravimetry to determine their composition.The research show that determination process of thermogravimetry is simple,rapid and accurate.展开更多
文摘A fullerene styrene maleic anhydride ternary copolymer was synthesized. It is soluble in water and of spherical shape with an average diameter of about 83 nm. As an additive for a base stock (a triethanolamine solution of mass fraction 2%), the fullerene copolymer was able to raise load carrying capacity and reduce the friction coeffient considerably.
文摘Styrene(St)-maleic anhydride(MA) copolymer(SMA) with high content of maleic anhydride is synthesized by using azobisisobutyronitrile(AIBN) as initiator,using solution-precipitation,and the gradual warming polymerization.The effects of the mole ratio of styrene to maleic anhydride,reaction temperature and the initiator amount on the polymerization is studied.The determination of copolymer composition is also studied for a series of different content of maleic anhydride copolymer by using thermogravimetry to determine their composition.The research show that determination process of thermogravimetry is simple,rapid and accurate.
