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One of the polyols was polytetramethylene glycol (PTMEG) with molecular weight 1000 Da and it was chosen to obtain polyether diol-based polyurethanes (the typical formulation in the current internal coating for pipeline), and the other polyol was a copolymer of polycarbonate of 1,6-hexanediol and 1,5-pentanediol of molecular weight 500 Da--PCD--(Eternacoll[R] PH50, UBE Chemical Europe S.
4) Aldehydes 1,5-Pentanediol (Glutaraldehyde) 111-30-8 Carbamates 3-lodopropynylbutylcarbamate (IPBC) 55406-53-6 1-(3-Chloroallyl)-3,5,7-triaza-1- 4080-31 -3 azoniaadamantane chloride (CTAC) Formaldehyde 1,3-Dimethylol-5,5-dimethylhydantoin 6440-58-0 Releasing (DMDMH) Compounds 4,4-dimethyloxazolidine (DMO) 51200-87-4 1,2-Benzisothiazolin-3-one (BIT) 2634-33-5 HeterocyclicN, Mixture of 26172-55-4 S Compounds 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one (CMIT/MIT) 2-Methyl-4-isothiazolin-3-one (MIT) 2682-20-4 2-n-Octyl-4-isothiazolin-3-one (OIT) 26530-20-1 Hydroxymethyl 2-Bromo-2-nitropropane-1,3-diol 52-51-7 Nitroalkanes (Bronopol, BNPD) Classification Microbial pH range Min.
1,5-pentanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,12-dodecanediol, TEOC, and trimethylol propane (TMP) were purchased from Aldrich and used without further purification.
Typical products for the paint and coatings industry are 1,6-hexanediol, 1,5-pentandiol, 1,12-dodecanedionic acid (DDA), 1,6-hexanediol, 1,5-pentanediol and polycarbonate diols at our Spanish plant.
2 mmol/L fast red TR salt, and 220 mmol/L 1,5-pentanediol.
1,5-pentanediol (n = 3) is used in the synthesis of some specialty polyurethanes and 1,6-hexanediol (n = 4) could find use in new polymer formulations or also serve as a potential precursor for Nylon-6,6[TM] production.
The polycarbonatediols are derived from 1,6-hexanediol and another diol of either 1,4-butanediol or 1,5-pentanediol and ethylenecarbonate.
The pusulfan (PU; 1,5-pentanediol dimethanesulfonate) was kindly provided by R.
The two polycarbonatediols are claimed to be produced from 1,6-hexanediol and 1,5-pentanediol by transesterification with ethylenecarbonate.
The polycarbonatediols were produced from 1,6-hexanediol and another diol of either 1,4-butanediol or 1,5-pentanediol by transesterification with ethylenecarbonate.
This corresponds to a 1,5-pentanediol concentration of 35 mmole per 100 g of EMA.