isotactic polypropylene

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• Polypropylene — Chembox new Name = Polypropylene ImageFile = Polypropylen.svg ImageSize = 100px ImageName = Polypropylene IUPACName = poly(propene) OtherNames = Polypropylene; Polypropene; Polipropene 25 [USAN] ;Propene polymers; Propylene polymers; 1 Propene… …   Wikipedia

• Polypropylene glycol — or polypropylene oxide is the polymer of propylene glycol. Chemically it is a polyether. The term polypropylene glycol or PPG is reserved for low to medium range molar mass polymer when the nature of the end group, which is usually a hydroxyl… …   Wikipedia

• Ziegler–Natta catalyst — A Ziegler–Natta catalyst is a catalyst used in the synthesis of polymers of 1 alkenes (α olefins). Three types of Ziegler–Natta catalysts are currently employed: Solid and supported catalysts based on titanium compounds. They are used in… …   Wikipedia

• Crystallization of polymers — Spherulites viewed between crossed polarizers in an optical microscope. Crystallization of polymers is a process associated with partial alignment of their molecular chains. These chains fold together and form ordered regions called lamellae,… …   Wikipedia

• industrial polymers, major — Introduction       chemical compounds used in the manufacture of synthetic industrial materials.       In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …   Universalium

• catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… …   Universalium

• industrial polymers, chemistry of — Introduction       structure and composition of chemical compounds made up of long, chainlike molecules (molecule).       What distinguishes polymers from other types of compounds is the extremely large size of the molecules. The size of a… …   Universalium

• Propene — Chembox new ImageFileL1 = Propylene skeletal.svg ImageSizeL1 = 100px ImageNameL1 = Skeletal formula of propene ImageFileR1 = Propylene.png ImageSizeR1 = 120px ImageNameR1 = Propylene IUPACName = Propene Section1 = Chembox Identifiers SMILES =… …   Wikipedia

• Natta, Giulio — (1903–1979)    Born in Imperia near Genoa, Giulio Natta was awarded the Nobel Prize in Chemistry in 1963 and was the long time director of the department of industrial chemistry at Milan’s Politecnico University. Natta’s work in the field of… …   Historical Dictionary of modern Italy

• Polybutylene — Other names polybutene 1, poly(1 butene), PB 1 Identifiers …   Wikipedia

• Ziegler-Natta catalyst — A Ziegler Natta catalyst is a reagent or a mixture of reagents used in the production of polymers of 1 alkenes (α olefins). Ziegler Natta catalysts are typically based on titanium compounds and organometallic aluminium compounds, for example… …   Wikipedia