Bisphenol-F resin for high solid coatings adhesives and laminates: YDF170LV: 160 - 170: 2000 - 3000: 1: Lower viscosity standard resin. YDF173: 167 - 175: 11000 - 15000: 1: Slightly higher functionality than standard Bisphenol-F resin improved chemical resistance. YDF 172: 165 - 175: 3000 - 5000: 1: Non-crystallizing type. YDF 172LV: 165 - 175: 2000 - 3000: 1Composites Products
Bisphenol F based Epoxy Resins. Bisphenol F based Epoxy Resins Suppliers list. Company Name: Atul International Trading (Shanghai) Co.Ltd. Tel: 021-64753255;021-64755916. Email: [email protected];[email protected] Bisphenol F based Epoxy Resins Basic information.Email: [email protected];[email protected]
OverviewUsesBiological effectsEnvironmental contaminationBisphenol F (BPF; 44′-dihydroxydiphenylmethane) is a small aromatic organic compound with the chemical formula (HOC 6H 4) 2CH 2. It is related to bisphenol A through its basic structure as both belong to the category of molecules known as bisphenols which feature two phenol groups connected via a linking group. In BPF the two aromatic rings are linked by a methylene connecting group. Wikipedia CC-BY-SA 许可下的文字
The structure of a phenol novolac epoxy resin is shown in Fig. 5.13. in this case the excess of epichlorohydrin helps to minimize the reactions of phenolic hydroxyls with the epoxy groups present in the molecules thus limiting the amount of branching that can occur. in the molecule of the ePn resin there are more epoxy rings (n + 2) than in that of the DGEBA resin: the greater …
stable condition of standard bisphenol A and bisphenol F liquid epoxy resins is a crystalline solid at room temperature. For example standard bisphenol A liquid epoxy resins with an EEW of approximately 188 and an “n” value of 0.12 (as typically supplied by all major manufacturers) has a melting point of approximately 42 C (107.6 °F).
Bisphenol F Epoxy Resins • Maximum Tg is about 320 F with DDS NMA • Excellent fit for many applications –very little effort put forth to sell its value • Kukdo is basic in Bis F production and are very competitive on these resins (as well as phenol novolac resins which are also synthesized from Bis F)
D.E.R. 354 167 – 174 3400 – 4200 Standard bisphenol F-based epoxy resin of low viscosity used for solvent-free coatings concrete reinforcements adhesives electrical insulation and filament winding. This resin can provide improved resistance performance against solvents compared to standard bisphenol A liquid epoxy resins.
OverviewChemistryHistoryCuringApplicationsProductionHealth risksSee alsoMost of the commercially used epoxy monomers are produced by the reaction of a compound with acidic hydroxy groups and epichlorohydrin. First a hydroxy group reacts in a coupling reaction with epichlorohydrin followed by dehydrohalogenation. Epoxy resins produced from such epoxy monomers are called glycidyl-based epoxy resins. The hydroxy group may be derived from ali…Wikipedia CC-BY-SA 许可下的文字
Bisphenol F Resin Structure Bisphenol F is similar to bisphenol A except phenol is re-acted with formaldehyde rather than acetone. The resul-tant phenolic chemical does not have the two methyl groups that are present between the ring structures in bisphenol A resins. Bisphenol F is reacted with epichloro-