WebChemical description ：3-Isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate or isophorone diisocyanate (IPDI). The IPDI product is a mixture of 75% cis and 25% trans isomers. Specification Other data* *These values provide general information and are not part of the product specification. Storage Webtional groups in the molecule. Isocyanate groups may also react in a similar way with other compounds containing reactive hydrogen atoms, e.g. with amino and imino compounds, carboxyl groups or, simplest of all, water. Eqivalent weight The reactions between Desmodur® and Desmophen® or any other hydroxyl-bearing compound is a chemical …
CDC - NIOSH Pocket Guide to Chemical Hazards - Isophorone …
WebMolecular weights, latex particle sizes, and size distributions of WPUs Sample name Mn (g/mol) Mw (g/mol) Average particle size (nm) Polydispersity index of particle size WPU-0 25168 39745 26.27 0.170 WPU-PD-0.15 34387 67133 31.30 0.208 WPU-PD-0.3 33071 59776 33.86 0.105 WPU-PD-0.45 37170 54259 37.72 0.171 WPU-PD-0.6 42614 81255 … WebThe molecular weights were measured by gel permeation chromatography (GPC). It was found that the weight-average molecular weight increased when the mole ratio of NCO to OH increased, subsequently mechanical properties such as tensile strength and 100% modulus improved dramatically, but hard segment portion increased as the ratio of NCO … shark tv show wiki
Guidance for Working with MARCH 201648148R 1R1 Aliphatic Diisocyanates
Web分子量(Molecular Weight)：222.29 CAS No.：4098-71-9 ... IPDI分子中2个NCO基团的反应活性不同，因为IPDI分子中伯NCO受到环己烷环和a-取代甲基的位阻作用，使得连在环己烷上的仲NCO基团的反应活性比伯NCO的高1.3-2.5倍；IPDI与羟基的反应速度比HDI与羟基的反应速度快4-5 ... WebTable of Contents Chapter 1 General Introduction: Scope, Aims and Outline of this Thesis 10 Chapter 2 Poly(urethane-isocyanurate)s: Chemistry, Network Formation and Applications 18 Chapter 3 Aliphatic Isocyanurates and Polyisocyanurate Networks 50 Chapter 4 The Influence of Molecular Interactions on the Viscosity of Aliphatic Polyisocyanate Precursors Web14 jan. 2024 · The number average molecular weight was determined by MALDI MS using the following formula: (1) where: I —monoisotopic peak intensity corresponding to the m; m — m / z value of the corresponding i peak, with z = 1. shark twin battery handheld