
1) Bivinyl 2) Chloroprene
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https://www.crosswordclues.com/clue/butadiene

1) Hydrocarbon
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https://www.crosswordclues.com/clue/butadiene

either of two aliphatic organic compounds that have the formula C4H6. The term ordinarily signifies the more important of the two, 1,3-butadiene, ... [4 related articles]
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http://www.britannica.com/eb/a-z/b/135

Also known as 1,3 butadiene (CH
2=CHCH=CH
2), a gaseous hydrocarbon made by dehydrogenation of butane and butene. Butadiene, an alkene, is mostly polymerized with styrene to make synthetic rubber. Melting point -109°C, boiling point -4°C. See also ...
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http://www.daviddarling.info/encyclopedia/B/butadiene.html

Common monomer in chain-growth polymerisation; an important constituent of ABS rubber. Here is a picture:
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http://www.encyclo.co.uk/local/20046

A gas which is chemically combined with styrene to create a resin used in latex binders, styrene-butadiene.
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http://www.encyclo.co.uk/local/21079

[
n] - a gaseous hydrocarbon C4H6
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http://www.webdictionary.co.uk/definition.php?query=butadiene

A gas, insoluble in water but soluble in alcohol and ether, obtained from the cracking of petroleum, from coal tar benzene or from acetylene produced from coke and lime. It is widely used in the formation of copolymers with styrene, acrylonitrile, vinyl chloride and other monomeric substances, where it imparts flexibility to the subsequent moldings...
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https://www.emcoplastics.com/plastic-glossary-of-terms/
noun a gaseous hydrocarbon C4H6; used in making synthetic rubbers
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https://www.encyclo.co.uk/local/20974

a colorless, flammable gas, CH, soluble in alcohol but not in water, usually derived from butane or butene: used chiefly in the manufacture of rubber and paint, and in organic synthesis. Also called
Found on
https://www.infoplease.com/dictionary/butadiene
No exact match found.