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1、高分子化合物（High Molecular Compound）： the compound which many atom or atom group mainly conbined by covalent bond ,relative molecular weight is above 104.单体（Monomer）： The raw material used to form polymer.重复单元（Repeating Unit）： The smallest basic unit which repeatedly emergence and component are the same
2、in the lagre molecular chain of polymer .单体单元（Monomer Unit）：结构单元与原料相比，除了电子结构变化外，其原子种类和各种原子的个数完全相同，这种结构单元又称为单体单元。 结构单元（Structural Unit）： The unit monomers formed in the macromolecular chain .聚合度（DP、X n）(Degree of Polymerization) the average number of repeating unit of polymer macromolecular.聚合物分子量（Mo
3、lecular Weight of Polymer）： The molecular weight of repeating units multiplied with the number of repeating units数均分子量 (Number-average Molecular Weight)： Polymer molecules with a different numberaverage molecular weight average molecular weight of statistics.重均分子量（Weight-average Molecular Weight）： U
4、sing different molecular weight polymermolecular weight average molecular weight ofthe statistical average.粘均分子量（Viscosity-average Molecular Weight）： Using viscosity method to measure the molecular weight of polymer.分子量分布（Molecular Weight Distribution, MWD ）： Because different molecular weight polym
5、ersare generally composed of a mixture ofhomologues, it has a certain molecular weightdistribution,多分散性（Polydispersity）： Used to express the size of the polymermolecular weight does not equal more technical terms is called dispersion.分布指数(Distribution Index) ：The ratio of Molecular Weight and Number
6、-average Molecular Weight。 Represent Polydispersity连锁聚合（Chain Polymerization）： The polymerization that active center initiate monomer ,and then rapidly chain propagate.逐步聚合（Step Polymerization）： No active center,monomer functional groups react with each other to chain propagation.加聚反应（Addition Polym
7、erization）： Vinyl monomers polymerize by addition.缩聚反应（Condensation Polymerization）：The reaction that monomers polymerize to get macromolecular by repeated condensation.塑料（Plastics ）： matrial with plastic behavior. The so-called plasticity is when affected by external force,the material deforms,afte
8、r cancelling the force ,it will still keep the forced state .橡胶（Rubber）： High elastic polymer material of reversible deformation.纤维（Fiber）： Polymer by certain mechanical processing (traction, stretching, shaping, etc.) to form a thin and flexible filaments, the formation of fibers.热塑性聚合物（Thermoplast
9、ics Polymer）： Macromolecule polymer formed by physic force ,it can melt when heated,can dissolve in appropriate solvent .热固性聚合物（Thermosetting Polymer）： Many linear or branching macromolecules form cross-linked shape polymer connected by chemical bond .碳链聚合物（Carbon-chain Polymer）： Macromolecular main
10、 chain composed entirely of carbon atoms in the polymer 杂链聚合物（Hetero-chain Polymer）： Macromolecular polymer main chain in addition to carbon atoms, there are oxygen, nitrogenand other heteroatoms 元素有机聚合物 (Element Organic Polymer) ： Macromolecular polymer main chain is not carbon, mainly from silicon
11、, boron, aluminum and oxygen, nitrogen, sulfur and phosphorus atoms.无机高分子（Inorganic Polymer）： There was no carbon atoms in main chain and side chaincarbon atoms of the polymer聚合反应 (Polymerization)： Reaction that low molecular weight monomer synthetize polymer.第二章 自由基聚合(Free-Radical Polymerization) 活
12、性种（Reactive Species）： Material that reak the bond of monomers ,make chain initiation and propagation.it can be free radical ,or cation or anion .均裂（Homolysis）： The form of breaking the covalent bond ,the result of homolysis is ,a pair of electron apart belong to two groups,each group has one indepen
13、dent electron which appears neutral.异裂(Heterolysis) ： Compounds form covalent bond cleavage, the result of different crack, covalent bond on a pair of electrons all belong to one group, this groupformed anion, while the other electron-deficientgroup, known as cations.自由基聚合（Radical Polymerization）： c
14、hain polymerization whose active center of is free radical .离子聚合（Ionic Polymerization）： chain polymerization whose active center of is Anions and cations.阳离子聚合(Cationic Polymerization)：以阳离子作为活性中心的连锁聚合。阴离子聚合(Anionic Polymerization)：以阳离子作为活性中心的连锁聚合。诱导效应(Induction Effect)： The electrondonating and elec
15、tronabsorption of monomer substitutes.共轭效应(Resonance Effect)： Resonance Effect exists in the Resonance system, it is due to orbit interaction arising fromcross-conjugated system covers each keyoccurs on the average electron density of an electronic effect.空间位阻效应(Steric Effect)： the effect caused by
16、the substituent size, number, location, the ability of itsmonomers have significant impact but it does not involve the choice of the active species.链引发（Chain Initiation）： Reaction that form monomer free radical active species. The formation of primary radicals (l.e,decoposition of initiator ),the formation of monomer radicals.链增长（Chain Propagation）：After free radical form,it still has activity to open the second vinyl molecules double bond ,then form new radical, new free r
