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Dr. Daniel W. Fox and LEXAN polycarbonate Dr. Daniel W. Fox (May 14, 1927 – February 15, 1989) was an American polymer chemist who is often regarded as the father of LEXAN . LEXAN is the flagship product of SABIC Innovative Plastics (formerly GE Plastics ) and is used in everything from CDs and DVDs to car bumpers.
GE began production under the name Lexan in 1960, creating the GE Plastics division in 1973. [29] After 1970, the original brownish polycarbonate tint was improved to "glass-clear". Polycarbonate recycling code PC on the bottom of a 5 gallon water jug made by Greif, Inc.
An example SDS, including guidance for handling a hazardous substance and information on its composition and properties. A safety data sheet (SDS), [1] material safety data sheet (MSDS), or product safety data sheet (PSDS) is a document that lists information relating to occupational safety and health for the use of various substances and products.
Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
A polycarbonate is an oxocarbon dianion consisting of a chain of carbonate units, where successive carbonyl groups are directly linked to each other by shared additional oxygen atoms. That is, they are the conjugate bases of polycarbonic acids , the conceptual anhydrides of carbonic acid , or polymers of carbon dioxide .
Risk and Safety Statements, also known as R/S statements, R/S numbers, R/S phrases, and R/S sentences, is a system of hazard codes and phrases for labeling dangerous chemicals and compounds.
Tungsten disulfide used to be significantly more expensive, but molybdenum disulfide prices have risen to a comparable range. [7] Usable from −188 to +1316 °C in vacuum, from −273 to +650 °C in normal atmosphere. [8] Hexagonal boron nitride is a graphite-like dry lubricant used in space vehicles. Ernest Lawrence's 4-inch cyclotron. A D ...
The list was consolidated and republished in Directive 2001/59/EC, [1] where translations into other EU languages may be found. These risk phrases are used internationally, not just in Europe, and there is an ongoing effort towards complete international harmonization using the Globally Harmonized System of Classification and Labelling of ...