نتایج جستجو برای: butadiene rubber
تعداد نتایج: 20109 فیلتر نتایج به سال:
Abstract The C4 unsaturated compound 1,3-butadiene is an important monomer in synthetic rubber and engineering plastic production. However, microorganisms cannot directly produce when glucose used as a renewable carbon source via biological processes. In this study, we construct artificial metabolic pathway for production from Escherichia coli by combining the cis,cis -muconic acid ( cc MA)-pro...
Extending the mechanical lifetime of NBR (i.e., poly(acrylonitrile-co-butadiene)), a large-volume synthetic rubber, requires better understanding its structure–property relationships. We demonstrate that industrial-grade and uncross-linked can be mechanically rejuvenated physically aged due to an inhomogeneous distribution monomers along polymer chains. As opposed nonpolar SBR counterpart poly(...
Gordonia polyisoprenivorans strain VH2, a potent rubber-degrading actinomycete, harbors two latex clearing proteins (Lcps), which are known to be essential for the microbial degradation of rubber. However, biochemical information on the exact role of this protein in the degradation of polyisoprene was lacking. In this study, the gene encoding Lcp1VH2 was heterologously expressed in strains of E...
Use of sulfur crosslinked nanogels to improve various properties of virgin elastomers was investigated for the first time. Natural rubber (NR) and styrene butadiene rubber (SBR) nanogels were prepared by prevulcanization of the respective rubber lattices. These nanogels were characterized by dynamic light scattering, atomic force microscopy (AFM), solvent swelling, mechanical, and dynamic mecha...
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