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.
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.
The polycarbonatediols are derived from 1,6-hexanediol and another diol of either 1,4-butanediol or 1,5-pentanediol and ethylenecarbonate.
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.