Eva Vinyl Acetate Content
Vinyl acetate undergoes many of the reactions anticipated for an alkene and an ester.
Eva vinyl acetate content. Resins range in vinyl acetate content from 7 5 to 33 wt. Search results for vinyl acetate at sigma aldrich advanced search structure search cert of analysis sds search sigma aldrich products analytical chromatography standards reference. Hydrogen halides add to give 1 haloethyl acetates which cannot be generated by other methods because of the non availability of the corresponding halo alcohols. Eva eva eva eva eva melting range c dsc 75 79 65 69 59 65 59 65 55 59 melting viscosity g mfi 190 c 2 16 kg 10 min.
Its cas number is 24937 78 8. Some grades are available with. In particular va percentage is related to the crystalline fraction that decreases by enhancing the comonomer content and.
Evaとは ethylene vinyl acetate copolymer エチレン ビニールアセタート コポリマー の略称で エチレンと酢酸ビニル共重合体させた合成樹脂のことです. The vinyl acetate content in eva resin varies from 0 2 to 40 whereas in the high density eva the va can be more than 50. The eva copolymer which is based on a low proportion of va approximately up to 4 may be referred to as vinyl acetate modified polyethylene. 3 vinyl acetate content melt flow rate and va content are the main properties of eva copolymers.
150 150 25 45 55 chemical basis ethylene vinyl acetate ethylene vinyl acetate density. Bromine adds to give the dibromide. Eva with low melt index mi offers high strength superior viscosity and hot tack relative melting.