Pacm amine It is suitable for adhesive applications. It is a low-viscosity transparent amine widely used in curing agent formulations for different epoxy applications: Similar to Isophorondiamine (IPD), PACM features excellent transparency and colour stability. A wide variety of amine curatives and epoxy resins are utilized for amine adduct reactions. It’s high reac-tivity makes it suitable for ultra fast cured epoxy composites. Chemically it is 4,4-Diaminodicyclohexylmethane or Para Amino diCyclohexyl Methane hence the PACM name. 1761-71-3) is a white solid considered for use in polymeric systems. VESTAMIN® TMD, an aliphatic diamine, provides higher impact resistance to composites due to it’s linear structure. Download scientific diagram | Chemical structures of (a) EPON 828 epoxy, where n = 0. Aug 1, 2022 · Solid state nuclear magnetic resonance (NMR) spectroscopy and small-to wide-angle X-ray scattering (SWAXS) methods were used to characterize the heterogeneous dynamics and polymer domain structure in rubber modified thermoset materials containing the diglycidyl ether of bisphenol A (DGEBA) epoxy resin and a mixture of Jeffamine reactive rubber and 4,4-diaminodicyclohexylmethane (PACM) amine uptake of PACM based epoxy matrix systems when exposed to water. gas chromatography Trans-trans-4,4’ - PACM - - 17-24 % by wt. Technical Datasheet Crosslinking/ Coupling/ Curing Agents>> Amines>> Diaminodicyclohexylmethane VESTAMIN PACM can be used for all typical amine reactions, such as reaction with carboxylic acids, phosgene, aldehydes, ketones and epoxies. Property Value Unit Test method* Purity >99. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. VESTAMIN® TMD p- Aminocyclohexyl-methane (known as PACM) is a cycloaliphatic amine used in the formulation of high-performance epoxy curing agents. Luna-cure PACM-50 is a raw material for polyamide synthesis. PACM-based products find usage in different epoxy applications like epoxy flooring, high solid coatings and civil engineering applications. 4,4’-二氨基二环己基甲烷(简称pacm)存在反反、顺反、顺顺三种热力学性质不同的立体异构体。 二氨基二环己基甲烷是一种重要的脂环族二胺，主要用于制备脂环族的二环己基甲烷二异氰酸酯(H12MDI)或直接用作环氧树脂固化剂。 Other cycloaliphatic amines used in flooring include 1,3-BAC, MXDA, PACM and DCH-99. 9 Some of the most common aliphatic and cycloaliphatic amines in-clude:10 diethylenetriamine (DETA), triethylene tetramine Substance identity Substance identity. On heat-curing, it offers good resistance against acids, alkalis, water and hydrocarbon solvents. VESTAMIN® PACM. 30 (APHA) - DIN EN ISO 6271 VESTAMIN® PACM is a cycloaliphatic diamine which is manufactured by hydrogenation of methylene dianiline. Jan 13, 2025 · 4,4'-Diaminodicyclohexyl methane is a sodium salt of a cyclic anhydride that is used as a specific treatment for removing dodecanedioic acid from fatty acids. VESTAMIN PACM combines the advantages of cycloaliphatic polyamines in epoxy systems: low mix viscosity, moderate reactivity and lower exothermic behaviour as well as the outstanding mechanical properties VESTAMIN® PACM is a cycloaliphatic diamine which is manufactured by hydrogenation of methylene dianiline. 8 The reac-tion between liquid epoxy resin and an aliphatic polyamine is shown in Reaction 3. Tables include typical properties, handling properties, temperature resistance, and mechanical performance of PACM . 0 (sum Jul 31, 2024 · AMICURE® PACM by Evonik is an unmodified cycloaliphatic amine-based curing agent. It isa colorless low viscosity liquid with a faint amine odor. SPECIFICATION . PACM is cycloaliphatic and thus tends to have better anti yellowing an UV stability than many other amines. It is classified as a diamine. Here we present our latest developments based on PACM chemistry. PACM by SpecialChem. In the epoxy industry it is often referred to as PACM, short for p ara -di a mino­di c yclohexyl­ m ethane. An additional advantage is its lower exothermic behavior during curing as well as the lower water uptake of PACM based epoxy matrix systems when exposed to water. This unexpected observation suggested that the hydroxyl groups in the AESS resin might be able to react with the acrylate groups. It is a low-viscosity transparent amine widely used in curing agent formulations for different epoxy applications: • Flooring • Protective coating • Civil Engineering • Composites Figure 1 – Structure of PACM cycloaliphatic amine PACM-based curing agents offer some advantages when compared to IPD and MXDA-based products: 1. The document discusses Amicure PACM curing agent, an alternative to aromatic amines for curing epoxy resins at elevated temperatures. 2, and (b) PACM 20 amine. This intrinsic fea-ture comes from the methylene linkage between the two cycloaliphatic rings that enables the free rotation of the amine during cure. PACM is moderately toxic systemically, with the acute oral lethal dose in rats between 670 and 1000 mg kg-1. It provides details on its applications, advantages, recommended processing, and mechanical and physical properties when cured with epoxy resins. 0 (sum 2-ring amines) % by wt. Key benefits The cycloaliphatic structure and medium reactive amino groups offer the following advantages: good processability of the liquid matrix system; high-performance composites with high glass transition temperatures. PACM Amine is an amine used in epoxy curing agent chemistry and other applications including construction, laminates and composites. Amicure PACM curing agent can provide the highest fracture toughness of any commercially available cycloal-iphatic amine when cured with epoxy resin. It is a colorless low viscosity liquid with a faint amine odor. Sep 22, 2023 · Amicure® PACM by Evonik is an unmodified cycloaliphatic amine crosslinker. Polyamides based on Luna-cure PACM-50 can be microcrystalline and therefore completely transparent. 1,4-Bis(aminocyclohexyl)methane (PACM; CAS No. 4 ≥ 99. Property VESTAMIN® IPD VESTAMIN® TMD VESTAMIN® PACM Unit Test Method Purity ≥ 99. Offers long pot lives at moderate temperatures and very good mechanical properties. It possesses low viscosity and excellent mechanical properties following elevated temperature cure. VESTAMIN® PACM is a cycloaliphatic diamine which is manufactured by hydrogenation of methylene dianiline. [2] . The curing of epoxy resins at high temperatures leads to excellent mechanical properties and good resistance against alkalis, acids, hydrocarbon solvents and water. 15 (APHA) max. PACM is a cycloaliphatic diamine which is manufactured by hydrogenation of methylenedianiline. It is a mixture of different isomers, and contains approximately 20% of the trans, trans-PACM. In laboratory tests, Tokyo Metropolitan University found that IPDA was able to remove more than 99 percent of CO 2 from air with a concentration of 400 parts per million (ppm) – about the level currently in the atmosphere. The VESTAMIN® product group comprises the following amines PACM Amine is an amine used in epoxy curing agent chemistry and other applications including construction, laminates and composites. 4,4'-Diaminodicyclohexylmethane is the name for organic compounds with the formula CH 2 (C 6 H 10 NH 2) 2. It is a mixture of different isomers, and contains appoximately 20 % of the trans, trans-PACM. 2K epoxy systems for several application (OEM and repair applications) methods on horizontal and vertical surfaces like chemical plants, power plants, aircraft hangars, parking garages, dairies, hospitals, breweries and other segments of the food processing industry, sewage plants, secondary containment as well as construction adhesives and anchoring ChemicalBook あなたのために4,4'-メチレンビス(シクロヘキシルアミン) (異性体混合物)(1761-71-3)の化学的性質を提供して、融点、価格、蒸気圧、沸点、毒性、比重、沸点、密度、分子式、分子量、物理的な性質、毒性 税関のコードなどの情報、同時にあなたは更に4,4'-メチレンビス Jul 1, 2017 · While preparing the formulations, it was found that the mixture of AESS and pTSA catalyst, without the presence of PACM amine, gelled in the container 6 h after it was mixed. VESTAMIN® IPD/IPD eCO, TMD and PACM are available in non-returnable drums, non returnable IBCs, cans and road tankers. gas chromatography Appearance clear liquid clear liquid clear liquid - visual Color max. Used in filament winding, laminates, casting and tooling. PACM (p- Aminocyclohexyl-methane) is a cycloaliphatic amine used in the formulation of high-performance epoxy curing agents. Download PACM . also a cycloaliphatic diamine, shows a similar behavior as VESTAMIN® IPD in epoxy composites regarding the mechanical properties. GENERAL DESCRIPTION . 7 ≥ 99. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. The reaction solution is stable at pH 4-5 and has a viscosity of less than 1000 cps. from publication: Relationships Between Stoichiometry, Microstructure, and Properties Dec 9, 2021 · ing excess primary amines with epoxy resin. It is used as a curing agent for epoxy resins [1] It finds particular use in epoxy flooring. yhf uvoa jljzd xxivsw svh zupe oxev icbs fst kaahl