单词 | block copolymer |
释义 | > as lemmasblock copolymer block copolymer n. Chemistry a copolymer whose molecules consist of alternate sections or blocks each made up of a single type of monomer residue. Π 1953 Jrnl. Amer. Chem. Soc. 75 1756/2 Obviously this reaction could in principle be used to prepare certain ‘block’ copolymers by polymerizing vinyl monomers in the presence of polymeric disulfides. 1979 Chem. Week (Nexis) 3 Oct. 21 The new polypropylene plant at Morris..has so far been producing only homopolymer resins but later will mainly turn out various higher-price block copolymers. 2019 T. F. Tadros Formulation Sci. & Technol. III. vi. 108 These block copolymers consist of a hydrophobic B block that is insoluble in water and one or two A blocks which are very soluble in water and strongly hydrated by its molecules. < as lemmas |
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