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Specific materials and their applications include polymer-protein and polymer-drug conjugates, mediation of enzyme activity, molecular recognition processes and polymeric micelles which can deliver a drug to a specific site in the body. [19] RAFT has also been used to graft polymer chains onto polymeric surfaces, for example, polymeric ...
NatureWorks LLC is an international company that manufactures bioplastics—polymers derived entirely from plant resources—as an alternative to conventional plastic, which is made from petroleum. The commercial quality polymer is made from the carbon found in simple plant sugars such as corn starch to create a proprietary polylactic acid ...
Most commercial methods for the synthesis of PAN are based on free radical polymerization of acrylonitrile. [14] In most of the cases, 10% amounts of other vinyl comonomers are also used (1–10%) along with AN depending on the final application. Comonomers include acrylic acid, acrylamide, allyl compounds, and sulfonated styrene. [2]
Ethylene vinyl alcohol (EVOH) is a formal copolymer of ethylene and vinyl alcohol.Because the latter monomer mainly exists as its tautomer acetaldehyde, the copolymer is prepared by polymerization of ethylene and vinyl acetate to give the ethylene vinyl acetate (EVA) copolymer followed by hydrolysis.
PLGA is synthesized by means of ring-opening co-polymerization of two different monomers, the cyclic dimers (1,4-dioxane-2,5-diones) of glycolic acid and lactic acid. Polymers can be synthesized as either random or block copolymers thereby imparting additional polymer properties.
The company was founded in 1959 by the consolidation of three companies and was eventually acquired by Tenneco in 1965. [4] In November 1995, the company's name was changed to Tenneco Packaging Inc.; in 1999, a new entity re-established the name Packaging Corporation of America
Ems-Chemie is represented in 22 countries and produces at 26 production sites in 16 countries, with the main location in Domat/Ems. [2] In 2013, the Group's production focus was in Europe (Switzerland 46.2%, Germany 12.2%), followed by the USA (9.2%) and Asia (China 7.3%, Japan 6.6%).
Polymer chemistry is a sub-discipline of chemistry that focuses on the structures, chemical synthesis, and chemical and physical properties of polymers and macromolecules. The principles and methods used within polymer chemistry are also applicable through a wide range of other chemistry sub-disciplines like organic chemistry , analytical ...