Middle Level
Polymer
High Level

Copolymer

vs

Polymer is correct spelling Polymer vs Copolymer Copolymer is correct spelling

Definition

Polymer [ ˈpΙ’l Ι™ mΙ™r ]

A polymer is a substance composed of macromolecules. A macromolecule is a molecule of high relative molecular mass, the structure of which essentially comprises the multiple repetition of units derived, actually or conceptually, from molecules of low relative molecular mass.

noun
  • a compound of high molecular weight derived either by the addition of many smaller molecules, as polyethylene, or by the condensation of many smaller molecules with the elimination of water, alcohol, or the like, as nylon.
  • a compound formed from two or more polymeric compounds.
  • a product of polymerization.
  • a naturally occurring or synthetic compound, such as starch or Perspex, that has large molecules made up of many relatively simple repeated units
  • Any of numerous compounds of usually high molecular weight and consisting of up to millions of repeated linked units, each a relatively light and simple molecule.
  • Any of various chemical compounds made of smaller, identical molecules (called monomers) linked together. Some polymers, like cellulose, occur naturally, while others, like nylon, are artificial. Polymers have extremely high molecular weights, make up many of the tissues of organisms, and have extremely varied and versatile uses in industry, such as in making plastics, concrete, glass, and rubber.♦ The process by which molecules are linked together to form polymers is called polymerization (pŏlβ€²Ι™-lΔ­mβ€²Ι™r-Δ­-zā′shΙ™n).

Copolymer [ koʊˈpΙ’l Ι™ mΙ™r ]

In polymer chemistry, a copolymer is a polymer derived from more than one species of monomer. The polymerization of monomers into copolymers is called copolymerization. Copolymers obtained by copolymerization of two monomer species are sometimes called bipolymers. Those obtained from three and four monomers are called terpolymers and quaterpolymers, respectively.

noun
  • a chemical compound of high molecular weight produced by polymerizing two or more different monomers together.
  • a chemical compound of high molecular weight formed by uniting the molecules of two or more different compounds (monomers)
  • A polymer of two or more different monomers.
  • A polymer of two or more different monomers. The synthetic rubber used to make tire treads and shoe soles, for example, is a copolymer made of the monomers butadiene and styrene.
Word used in Sentences
  • 1. The nature of the polymer is currently a trade secret.
  • 2. The polymer solution is separated from the pure solvent by a membrane, permeable only to solvent molecules.
  • 3. Assessment of the performance of samples of polymer in improving oil recovery from North Sea reservoirs.
  • 4. Physically the process of cooling a polymer through its glass transition would then be as follows.
  • 5. Alternatively(sentencedict.com/polymer.html), a polymer solution can be thought of as a system formed by the condensation of solvent into a polymer.
  • 6. The polymer is introduced into the dilatometer between the point A and the capillary.
  • 7. A polymer forms over the marks and shows them up in a kind of 3-D relief.
  • 8. Y., is made of an advanced polymer instead of metal.
  • 9. The alignment of polymer chains at specific distances from one another to form crystalline nuclei will be assisted when intermolecular forces are strong.
  • 10. In 1925, Svedberg first achieved this by subjecting polymer solutions to large force fields, generated at high speeds of rotation.
  • 1. Preparation and thermolysis of the copolymer.
  • 2. Hydrogenated nitrile rubber (HNBR) of butadiene and acrylonitrile copolymer.
  • 3. Styrene - maleic anhydride copolymer (SMA) is one kind of special thermoplastic material with superior heat - resistance, and is capable to blend with many kinds of resins.
  • 4. The configuration and thermal performance of the beadlike copolymer were characterized by means of FT-IR and thermogravimetry.
  • 5. Detergency promoter acrylate - acrylamide copolymer was synthesised using solution polymerization and its washing assisting properties were tested.
  • 6. The SG copolymer can react efficiently with the amide and carboxyl group of PA6 as well as the hydroxyl group of PPO in blending process, resulting into graft copolymer.
  • 7. PEC (Polyethylene glycol)-CELL (cellulose) grafted copolymer was prepared by grafting PEG to CELL chemically.
  • 8. The solubility of the prepared copolymer of the chloroethylene and the acrylonitrile in an organic solvent DMF reaches more than 20 percent.
  • 9. The copolymer molecular structure was identified by the analysis of IR. The size of the dispersed particles arid their distribution was measured.
  • 10. The application of starch acrylamide graft copolymer as papermaking additive in China are reviewed.

Word Origin

Polymer
First recorded in 1865–70, polymer is from the Greek word polymerαΈ—s having many parts. See poly-, -mer
Copolymer
First recorded in 1935–40; co- + polymer

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