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Polymer concrete is a type of concrete that uses a polymer to replace lime-type cements as a binder. One specific type is epoxy granite , where the polymer used is exclusively epoxy . In some cases the polymer is used in addition to portland cement to form Polymer Cement Concrete (PCC) or Polymer Modified Concrete (PMC). [ 1 ]
Although butadiene breaks down quickly in the atmosphere, it is nevertheless found in ambient air in urban and suburban areas as a consequence of its constant emission from motor vehicles. [10] The name butadiene can also refer to the isomer, 1,2-butadiene, which is a cumulated diene with structure H 2 C=C=CH−CH 3.
Polybutadiene forms by linking many 1,3-butadiene monomers to make a much longer polymer chain molecule. In terms of the connectivity of the polymer chain, butadiene can polymerize in three different ways, called cis, trans and vinyl. The cis and trans forms arise by connecting the butadiene molecules end-to-end, so-called 1,4-polymerisation.
December 11th, 2019, aerial view of TPC plant and surrounding area. A processing unit at TPC's Port Neches butadiene manufacturing plant exploded in a series of explosions on Wednesday, November 27, 2019, the eve of Thanksgiving Day, and a fire raged at the facility. 60,000 residents were evacuated [18] [19] [5] within four miles of the facility, including parts of Port Neches, Nederland ...
This is a list of notable popcorn brands. Popcorn , also known as popping corn , is a type of corn ( maize , Zea mays var. everta ) that expands from the kernel and puffs up when heated. Popcorn is able to pop because its kernels have a hard moisture-sealed hull and a dense starchy interior.
1,2-Butadiene is the organic compound with the formula CH 2 =C=CHCH 3. It is an isomer of 1,3- butadiene , a common monomer used to make synthetic rubber. It is a colorless flammable gas, one of the simplest substituted allenes .
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