financially supported by the National Natural Science Foundation of China (Nos. 52022065 and 51873151)。
In the present work,a series of poly(ethylene glycol) grafted polybutene-1 copolymers(PB-g-PEG) were designed and successfully synthesized with reaction intermediate method,of which the branch densities and length cou...
financially supported by the National Natural Science Foundation of China(No.21790343).
Strong preshear flow stretches poly(butene-1)chains to form flow-induced precursors of fibrillar crystals.The formation leads to further growth of shear/normal stress after the stress reaches the steady state.In this ...
supported by the National Natural Science Foundation of China(Nos.51573132 and 51633009);Tianjin Natural Science Foundation(No.16JCQNJC02700)
The phase transition from tetragonal form II to hexagonal form I was studied for the butene-1/ethylene and butene-1/1,5- hexadiene random copolymers, which have comparable molecular weight but distinct linear ethylene...
financially supported by the National Natural Science Foundation of China(Nos.21134006 and 51525305)
Starting from an initial sample of butene-1/ethylene copolymer with stable form I', we examined the nucleation of different crystalline polymorphs (here metastable form II and stable form I') at different isother...
financially supported by the National Key Technology R&D Program of China(No.2011BAE26B05)
Isotactic poly(butene-1) (iPB) with spherical morphology was synthesized successfully with bulk precipitation polymerization without post-treatment of the products. The bulk precipitation polymerization process ma...
the financial supports of the National Natural Science Foundation of China(Nos 50803040 and 20872103)and Analytical & Testing Center of Sichuan University for NMR measurements
Three novel conjugated polymers bearing 3,4-bis(4-hexylthiophen-2-yl)-3-cyclobutene-1,2-dione unit in their main chain have been synthesized successfully in good yields through Suzuki or Stille coupling reaction.The...
"The unitary technology for recovery of butene-1 at refinery"jointly developed by SINOPEC's Guangzhou Branch Company,China Petroleum University,and Qilu Petrochemical Engineering Company had passed the technical appra...
The R&D project'commercial test of olefin isomerization technology for increasing butene-1 output'jointly undertaken by the SINOPEC Shanghai Petrochemical Research Institute and the Zhongyuan Petrochemical Company had...
The unit for manufacture of MTBE with co-production ofbutene-1 was successfully put on stream at Guangzhou Pet-rochemical Complex (GPC).It is told that this is the firstdomestic unit that utilizes the refinery C4 frac...