聚丙烯发明的优先权之争 最后达成的协议: 纳塔与蒙特卡蒂尼公司具有聚丙烯的优先权 聚丙烯的专利费与煤炭所对半分 聚乙烯的优先权仍是齐格勒的
聚丙烯发明的优先权之争 最后达成的协议： •纳塔与蒙特卡蒂尼公司具有聚丙烯的优先权 •聚丙烯的专利费与煤炭所对半分 •聚乙烯的优先权仍是齐格勒的
stereoregular polymer (有规立构聚合物) A regular polymer, the molecules of which can be described in terms of only one species of stereorepeating unit in a single sequential arrangement Pure and Appl. chem, 1981, 53, 733 IUPAC Macromolecular Nomenclature for Stereochemical Definitions Relating to Polymers
stereoregular polymer （有规立构聚合物） A regular polymer, the molecules of which can be described in terms of only one species of stereorepeating unit in a single sequential arrangement. Pure and Appl. chem, 1981, 53, 733 IUPAC Macromolecular Nomenclature for Stereochemical Definitions Relating to Polymers
isotactic polymer (全同立构聚合物) a regular polymer the le molecules of which can be describe d in terms of only one species of configuration base unit (having chiral or prochiral atoms in the main chain) in a single sequential arrangement. In an isotactic polymer. the configurational repeating unit is identical with the configurational base unit RHRHRHRHR H
isotactic polymer （全同立构聚合物） a regular polymer, the molecules of which can be described in terms of only one species of configuration base unit (having chiral or prochiral atoms in the main chain) in a single sequential arrangement. In an isotactic polymer, the configurational repeating unit is identical with the configurational base unit
syndiotactic polymer (间同立构聚合物) a regular polymer, the molecules of which can be described in terms of alternation of configurational base units that are enantiomeric. In the syndiotactic polymer the configurational repeating units consist of two configurational base units that are enantiomeric
syndiotactic polymer （间同立构聚合物） a regular polymer, the molecules of which can be described in terms of alternation of configurational base units that are enantiomeric. In the syndiotactic polymer, the configurational repeating units consist of two configurational base units that are enantiomeric
botu (ubos uar atactic polymer (无规立构聚合物)这X wcd 义义资义 a regular polymer. the molecules of which have equal numbers of the possible configurational base units in a random sequence distribution
atactic polymer （无规立构聚合物） a regular polymer, the molecules of which have equal numbers of the possible configurational base units in a random sequence distribution