PTHF [Mw (weight-average molecular weight) = 1000 g/mol, 98%] and POE (Mw = 1000 g/mol, 98%) were purchased from Sigma-Aldrich and degassed at 130°C for 3 hours before use. TMP (Mw = 134.17 g/mol, 97%), DBTDL (95%), HEMA (Mw = 130.14 g/mol, ≥99 DBTDL (Mw = 631.56 g/mol, 95%), acetone (anhydrous ≥99.5%), sodium chloride, dl -lactic acid (~90%), potassium chloride, sodium hydroxide, and urea were also received from Sigma-Aldrich and used without any purification. IPDI (a mixture of isomers, 98%), methyl ethyl ketone (MEK; ≥99%), 1-hydroxycyclohexyl phenyl ketone (IRGACURE 184; Mw = 204.3 g/mol, 99%), Ag flakes (10 μm), the SEBS (Tuftec H1052) with 20/80 S/EB weight ratio, and the hydrophilic textile were obtained from Alfa Aesar, Fisher Chemical, Ciba Specialty Chemicals, Puwei Applied Materials Technology, Asahi Kasei Corporation, and MHTC Technology Company, respectively. Deuterated solvents for NMR characterization were obtained from Cambridge Isotope Laboratories Inc. Deionized water was used throughout the study.
Dbtdl
Manufactured by Merck Group
Sourced in United States
DBTDL is a laboratory reagent used as a catalyst in various chemical reactions. It is a tin-based compound that facilitates the formation of chemical bonds, making it a useful tool in organic synthesis and other laboratory applications. The core function of DBTDL is to act as a catalyst, accelerating the rate of specific chemical transformations without being consumed itself.
Automatically generated - may contain errors
Lab products found in correlation
5 protocols using dbtdl
1
Synthesis and Characterization of Polyurethane-Based Composites
2
Castor Oil-Based Polyurethane Synthesis
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
All reagents used in the present research were used as received. Castor oil (chemically pure) with hydroxyl and acid values of 162 and 2 mg KOH/g, respectively, was purchased from Sigma Aldrich (St. Louis, MO, USA). Poly(trimethylene ether) glycol (PO3G, Velvetol 1000, Mn = 1046 g/mol) was kindly supplied by Allessa GmbH (Frankfurt, Germany). Gelling catalysts (DBTDL) and blowing catalysts (DABCO 33LV) were purchased from Sigma Aldrich, USA. TDI was used as HRs in PU synthesis and was also supplied by Sigma Aldrich. Niax L-580 silicon oil surfactant was kindly provided by Momentive Performance Materials (Waterford, NY, USA). Distilled water was used as an environmentally friendly blowing agent. Details of the raw materials used in the study are summarized in Table 1 .
3
Synthesis of Functionalized PDMS Polymers
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
Bis(3-aminopropyl)–terminated poly(dimethylsiloxane) (H2N-PDMS-NH2, Mn = 2500 to 4000, Gelest DMS-A21) was purchased from Gelest Inc. PTMG (average Mn = ~ 1000; Sigma-Aldrich, USA) and TEG (99%; Sigma-Aldrich, USA) were dried in a vacuum at 100°C for 12 hours before use and directly used after drying. IPDI (a mixture of isomers, 98%; Alfa Aesar, USA) and N,N′-dimethylacetamide (DMAc; anhydrous, 99.8%; Alfa Aesar, USA) were used without further purification. The catalyst dibutyltin dilaurate (DBTDL; 95%; Sigma-Aldrich, USA), acetone (AR; ≥99.5%; Sigma-Aldrich, USA), and DMG (≥99%; Sigma-Aldrich, USA) were used as received. The remaining chemicals and solvents were purchased from Sigma-Aldrich, USA. All chemicals were used as received without further purification unless otherwise noted. Deuterated solvents for NMR analysis were purchased from Cambridge Isotope Laboratories Inc.
4
Polyurethane Synthesis from PTMG and PDMS
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
Polytetramethylene ether glycol (PTMG, Aldrich, St. Louis, MO, USA) (Mn = 2000 g mol−1), hydroxyl-terminated PDMS (Aldrich) (Mn = 4200 g mol−1), isophorone diisocyanate (IPDI, Aldrich; 98%), 2,2-bis(hydroxymethyl) propionic acid (DMPA, Aldrich; 98%), dibutyltin dilaurate (DBTDL, Aldrich; 95%), triethylamine (TEA, Samchun Chemical Co., Ltd. Pingze, Korea; 99%), and ethylenediamine (EDA, Samchun Chemical Co., Ltd.; 99%) were used as received.
5
Graphite-MWCNT Reinforced Polyurethane Nanocomposite
Check if the same lab product or an alternative is used in the 5 most similar protocols
+ Expand
Natural graphite of an average particle size of 6 μm was obtained from Graphit Kropfmühl GmbH (grade name: Cond 5, Hauzenberg, Germany). MWCNT used was Nanocyl NC7000TM (carbon purity >90%, diameter: 9.5 nm, and length: 1.5 μm, Nanocyl, Sambreville, Belgium,). It was used without further treatment. Poly(tetramethylene glycol) (PTMG1000, 1000 g/mol, Aldrich Chemicals, Seoul, Korea) and methyl diethanolamine (MDEA, Aldrich Chemicals, Korea) were dried and degassed at 60 °C under a vacuum for 12 h. Triethylamine (TEA, Junsei Chemicals, Tokyo, Japan) was dried on a 4 A° molecular sieve before use. Dimethylol propionic acid (DMPA; Aldrich Chemicals, Seoul, Korea) was dried at 50 °C for 2 days in a vacuum oven. Isophorone diisocyanate (IPDI; TCI, Tokyo, Japan), dimethyl acetamide (DMAc, Aldrich), 1,4-butanediol (BD, Kanto Chemicals, Tokyo, Japan), dibutyltin dilaurate (DBTDL, Aldrich), benzyl dimethyl hexadecyl ammonium chloride (BDHd-AC, Aldrich, abbreviated as Φ-N+(Me)2(Et)15MeCl−, where Φ-, Me, and Et are phenyl, -CH3, and -CH2CH3, respectively), HCl (35–37%, Samchun Pure Chemical Co., Seoul, Korea), concentrated H2SO4 (98%, Junsei), acetone (Aldrich), KMnO4 (99.3%, Samchun), and H2O4 (35%, Samchun) were used as received. DMPA solution (in DMAc, 20 wt %) and MDEA solution (in acetone, 20 wt %) were prepared before use.
About PubCompare
Our mission is to provide scientists with the largest repository of trustworthy protocols and intelligent analytical tools, thereby offering them extensive information to design robust protocols aimed at minimizing the risk of failures.
We believe that the most crucial aspect is to grant scientists access to a wide range of reliable sources and new useful tools that surpass human capabilities.
However, we trust in allowing scientists to determine how to construct their own protocols based on this information, as they are the experts in their field.
Ready to get started?
Sign up for free.
Registration takes 20 seconds.
Available from any computer
No download required
Revolutionizing how scientists
search and build protocols!