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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...
the National Natural Science Foundation of China(Nos.51873151 and 52022065).
The dimethylpyridylamidohafnium catalyst was used to synthesize 1-butene/cyclohexene and 1-butene/vinylcyclohexane random copolymers,which have extra six-membered cyclic co-units in main chain and side chain,respectiv...
supported by the Major Scientific and Technological Innovation Project of Shandong Province(No.2019JZZY010352);Natural Science Foundation of Shandong Province(No.ZR2019MB072)and Taishan Scholar Program.
The composition and structure of polymer largely determine the properties of its final products.As a novel polymer material,the composition,structure,and properties of the isotactic polypropylene/polybutene-1 in-react...
This work was financially supported by the National Natural Science Foundation of China(Nos.51803189,51503186);the Postdoctoral Science Foundation of China(No.2018M630832).
Deformation-induced phase transition of FormⅡto FormⅠin polybutene-1(PB-1)has been investigated by time-resolved Fourier transform infrared(FTIR)spectroscopy over a wide temperature range from 25℃to 105℃.The initi...
financially supported by the Major Science and Technology Innovation Project of Shandong Province (No. 2019JZZY010352);Natural Science Foundation of Shandong Province (ZR2019MB072);Taishan Scholar Program
For the solid-solid transformation from form Ⅱ to form Ⅰ of isotactic polybutene-1(iPB),the temperature dependence of form Ⅰ nucleation and growth was deemed to control the transformation process.However,the relati...
financially supported by the National Natural Science Foundation of China (Nos. 51673147, 51573131, and 21374077)
Isotactic polybutene-1 (iPB-1) is a semi-crystalline polymer with polymorph and puzzled structural transitions. The stable form I of iPB-1 with excellent physical and mechanical properties can hardly be obtained direc...
financially supported by Shandong Provincial Key R&D Program (No. 2015GGX102019);the Taishan Scholar Program
In this work, the crystallization of immiscible polypropylene (PP)/polybutene-1 (PB) blends, in particular the effect of crystal morphology of PP (HTC, high Tm component) on the subsequent crystallization behavi...
financially supported by the Special Foundation of Taishan Mountain Scholar Constructive Program;the National Natural Science Foundation of China(No.21174074);Shandong Provincical Key R&D Program(No.2015GGX102019);Shandong Provincial Natural Science Fund for Distinguished Young Scholars(No.JQ201213);the Nature Science Foundation of Shandong Province(No.ZR2013BM004);the Yellow River Delta Scholar program(Office of National University Science&Technology Park Administrative Committee(China University of Petroleum))
Solvent annealing is a facile method for changing the aggregated microstructure and physical properties of polymer materials. In this paper, we addressed the effects of solvent vapor annealing, including chloroform an...
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 Basic Research Program of China(No.2015CB654700(2015CB654706));Special Foundation of Taishan Mountain Scholar Constructive Program;National Key Technology R&D Program of China(No.2011BAE26B05);Shandong Provincial Natural Science Fund for Distinguished Young Scholars(No.JQ201213);the National Natural Science Foundation of China(No.21174074);the Nature Science Foundation of Shandong Province(No.ZR2013BM004);Shandong province science and technology development plan(2012GGA05042);support from the Yellow River Delta Scholar program(Office of National University Science&Technology Park Administrative Committee(China University of Petroleum)
The effects of weight-average molecular (Mw), molecular weight distribution (MWD), and isotacticity on the linear viscoelastic behavior of polybutene-1 melts are studied. It is observed that the linear viscoelasti...