1,4 butanediol

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1,4 butanediol

Industrial cleaning agent, when ingested, is metabolized to GHB.
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The reaction mixture was then allowed to cool to room temperature followed by the addition of required amount of 1,4-butanediol and triethenolamine (Table 1).
Cationic ring-opening polymerization was employed using boron trifluoride dietherate and 1,4-butanediol (BDO) as catalyst and initiator, respectively.
BioAmber's biosuccinic acid can also substitute for other chemicals like adipic acid in traditional polymers and serve as the starting material for the production of chemicals such as 1,4-butanediol (BDO) and tetrahydrofuran (THF).
ABBREVIATIONS AA Adipic acid BG 1,4-Butanediol DSC Differential scanning calorimeter EG Ethylene glycol PBATE Poly(butylene terephthalate-co-butylene adipate-co-ethylene terephthalate-co-ethylene adipate) PTA Terephthalic acid
Step 1: The predetermined amount of 1,4-butanediol, adipic acid, and a trace of titanium tetrabutylate were charged into a three-neck flask to prepare PBA diol.
Triethylenediamine and other amine catalysts for urethanes; and 1,4-butanediol chain extender for urethane.
The diacrylate comonomer, 1,4-butanediol diacrylate (90%, Aldrich), was dried over 4 [Angstrom] molecular sieves before use.
MA is used primarily in the manufacture of unsaturated polyester resins (UPR), which accounted for an estimated 42% of global Maleic anhydride consumption in 2008, followed by 1,4-butanediol with around 20% of total consumption.
The polycarbonatediols are derived from 1,6-hexanediol and another diol of either 1,4-butanediol or 1,5-pentanediol and ethylenecarbonate.
As a common chemical intermediate, diethyl maleate (DEM) is mainly used in the production of many chemicals such as malathion, water treatment chemical, synthetic essence, 1,4-butanediol, etc.
Commonly used hard segments for thermoplastic segmented polyurethanes are derived from 4,4'-diphenylmethane diisocyanate (MDI) and 1,4-butanediol [43].
The polycarbonatediols were produced from 1,6-hexanediol and another diol of either 1,4-butanediol or 1,5-pentanediol by transesterification with ethylenecarbonate.