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polypropylene
polypropylene , plastic noted for its light weight, being less dense than water; it is a polymer of propylene. It resists moisture, oils, and solvents. Since its melting point is 121°C (250°F), it is used in the manufacture of objects that are sterilized in the course of their use.... Read more |
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petrochemical
petrochemical any one of a large group of chemicals derived from a component of petroleum or natural gas. The cracking processes for manufacturing gasoline produce vast quantities of gaseous hydrocarbons. Originally considered waste products suitable only for use as illuminants and fuels, the gases... Read more |
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Plastics
PLASTICS PLASTICS. Perhaps the most prevalent manufactured material in society today is plastics. About 200 billion pounds of plastics are produced annually in the world, 90 billion pounds in the United States alone. In the 1967 movie The Graduate, the title character, played by Dustin Hoffman,... Read more |
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Karl Ziegler
Karl Ziegler , 1898-1973, German chemist. Educated at the Univ. of Marburg, he taught at Heidelberg and Halle and for a short period at the Univ. of Chicago. He became director of the Max Planck Institute for Coal Research at Mülheim an der Ruhr in 1944. He shared the 1963 Nobel Prize in... Read more |
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Wrapping Paper
Wrapping Paper Background There are many kinds of wrapping papers manufactured specifically for the types of products they are intended to wrap. For example, wrapping paper is made for bread for sanitary and aesthetic purposes. Originally, waxed paper and cellophane were... Read more |
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thermoplastics
thermoplastics materials that soften or melt when heated and harden when cooled. Thermoplastic polymers consist of long polymer molecules that are not linked to each other. i.e., have no cross-links. They are often supplied as granules and heated to permit fabrication by methods such as molding or... Read more |
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Union Carbide Corp
Union Carbide Corporation Union Carbide Corporation 400 West Sam Houston Parkway South Houston, Texas 77042 U.S.A. Telephone: (713) 798-2016 Fax: (713) 978-2394 Web site: http://www.unioncarbide.com Wholly Owned Subsidiary of The Dow Chemical Company Incorporated: 1917 as Union Carbide... Read more |
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Polymers
Polymers, Synthetic Polymers are large molecules composed of repeated chemical units. The smallest repeating unit is called a mer. The term polymer is derived from the Greek words poly and mers meaning "many parts." Linear polymers are like ropes. For a polymer chain of 10,000 units (a typical... Read more |
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carbide
carbide any one of a group of compounds that contain carbon and one other element that is either a metal, boron, or silicon. Generally, a carbide is prepared by heating a metal, metal oxide, or metal hydride with carbon or a carbon compound. Calcium carbide, CaC 2 , can be made by heating calcium... Read more |
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Saudi Arabia continues with major expansion plans. (Saudi Arabian Basic...
...Industries Corp.'s (Sabic...to double polypropylene (PP) capacity...UOP Cyclar process 730,000...which will be used to make isophthalic...fiber will be used domestically...doubling of PP capacity...Using the Union Carbide Unipol process... |
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New Additives & Resins Debut at SPE Polyolefins RETEC.
...DBDPO) in polypropylene moldings...time of the PP and allowed...in filled PP. At the...demanding PP applications...Chemical Corp., Dover...blends can be used at levels...required to process a 1-MI...developed by Union Carbide Corp...produced in the ... |
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KUWAIT - Equate.
...of PIC and Union Carbide Corp. (now part...four main process packages...UCC's) Unipol technology...complex will be used as feedstock...000 t/y polypropylene plant at...UCC's Unipol is the process...unit, the PP is used for the manufacture... |
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Materials. (plastic materials) (Special Show Preview: NPE '94)
...Spherilene process, although...highlighted by Union Carbide Corp., Danbury...April '93, pp. 45, 83...Carbide's new Unipol II technology...parts. In polypropylenes, Amoco Chemical...reportedly can be used on wide...traditionally used for PS...traditional ... |
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The single-site polyolefin story continues to unfold.
...density polypropylene." SPO...successfully used supported...fluid-bed process to make LLDPE...them to be used in gas-phase processes. All commercial...could be used by retrofitting...Plastics Corp. BP's...Meanwhile, Union Carbide Chemicals...that its new ... |