plastic polymer chemical

Making Plastics: From Monomer to Polymer | AIChE

Versatility, ease of manufacture, and relatively low cost make plastics some of the most useful materials for a wide range of applications. This article explains the chemistry and production processes behind two of the most popular plastics ...

The History and Future of Plastics | Science History Institute

Hyatt's and Baekeland's successes led major chemical companies to invest in the research and development of new polymers, and new plastics soon joined celluloid and Bakelite. While Hyatt and Baekeland had been searching for materials ...

List of synthetic polymers - Wikipedia

Synthetic polymers are human-made polymers. From the utility point of view they can be classified into four main categories: thermoplastics, ... The plastic kits and covers are mostly made of synthetic polymers like polythene and tires are manufactured from Buna rubbers. However ... Pure and Applied Chemistry. 68 (12): ...

The Basics: Polymer Definition and Properties - American Chemistry ...

If you're after basic information on plastic materials, this is the place to find it. Here you'll learn the definition and properties of polymers, another name for plastics. The simplest definition of a polymer is a useful chemical made of many ...

Polymer - Wikipedia

A polymer is a large molecule, or macromolecule, composed of many repeated subunits. Due to their broad range of properties, both synthetic and natural polymers play essential and ubiquitous roles in everyday life. polymers range from familiar synthetic plastics such as polystyrene to natural biopolymers such as DNA and proteins .... Many commercially important polymers are synthesized by chemical modification of naturally occurring polymers. Prominent examples include the ...

Plastics Chemistry: The Science of Plastics | Plastics Make It Possible

18 Jul 2013 ... Find out how plastics are made, from the first molecules to final product, by learning plastics chemistry from ... If the monomers join together lined up like a chain (picture a string of pearls), the polymer is called a thermoplastic.

7.9: Polymers and Plastics - Chemistry LibreTexts

23 Jul 2018 ... Synthetic polymers, which includes the large group known as plastics, came into prominence in the early twentieth ... polymers can be classified according to their chemical composition, their physical properties, and their ...

Polymers and plastics: a chemical introduction - Chem1

23 Oct 2017 ... plastics and natural materials such as rubber or cellulose are composed of very large molecules called polymers . polymers are constructed from relatively small molecular fragments known as monomers that are joined ...

Polymer analysis and polymer spectroscopy for plastics analysis ...

polymer analysis and polymer spectroscopy for plastics analysis that allow deeper insights into the structure and characters ... Furthermore FT-IR and Raman microanalysis are used to reveal the chemical structure of multi-layered laminates.

Science of Plastics | Science History Institute

Download a PDF of this page Science of plastics Definition. ... Conflicts in Chemistry: The Case of plastics ... Synthetic polymers include polyethylene (used in plastic bags); polystyrene (used to make Styrofoam cups); polypropylene (used for ...

An Introductory Polymer Chemistry Course for Plastics Technology ...

A decision was made recently to increase the chemistry component of the program by adding a course in introductory polymer chemistry. The students have superior practical skills and experience in the handling of plastics, but are poorly ...

Contributions of polymer Chemistry to the Plastics and Coating ...

Two facts stand out-the complete invasion of synthetic chemistry into the plastics and coatings field and the competitive nature of the developments during the past. 25 years. This paper reviews the contributions of polymer chemistry to the ...

Polymer degradation - Wikipedia

polymer degradation is a change in the propertiestensile strength, color, shape, etc.of a polymer or polymer-based product under the influence of one or more environmental factors such as heat, light or chemicals such as acids, alkalis and some salts. These changes are usually undesirable, such as cracking and chemical disintegration of products or, more rarely, ... These make up nearly 98% of all polymers and plastics encountered in daily life. Each of these polymers has its ...

plastic | Composition, Uses, Types, & Facts | Britannica.com

15 Aug 2018 ... Many of the chemical names of the polymers employed as plastics have become familiar to consumers, although some are better known by their abbreviations or trade names. Thus, polyethylene terephthalate and polyvinyl ...

The plastics revolution: how chemists are pushing polymers to new ...

17 Aug 2016 ... In 1920, the German chemist proposed that polymers a broad class of compounds that included rubber and cellulose were made of long chains of identical small molecules linked by strong chemical bonds. Most of his ...

How Plastics Are Made - American Chemistry Council

plastics, also called polymers, are produced by the conversion of natural products or by the synthesis from primary chemicals generally coming from oil, natural gas, or coal. Most plastics are based on the carbon atom. Silicones, which are ...

Plastic - Wikipedia

Thermoplastics are the plastics that, when heated, do not undergo chemical change in their composition and so can be molded again and again. Examples include: polyethylene (PE), ...

Global Plastics & Polymers: Chemical Market Advisory Service | IHS ...

chemical Market Advisory Service: Global plastics & polymers from IHS Markit (formerly CMAI Global plastics & polymers Market Advisory Service) provides a comprehensive view of world markets for six major thermoplastic resins (PE, PP, ...

Polymer and Plastics Chemical Testing - Intertek

polymer and plastics chemical testing supporting the entire lifecycle including chemicals analysis of polymer materials, resins, ... chemical testing of a plastic or polymer material can be complex but can provide valuable information on the ...