, IR (KBr): 3080 (=CH), 1645 (C=C), 910, 990 (OOP =CH), 1H-NMR (CDCl3): 0.
Gases detected include benzene, ethanol, ethylbenzene, heptane, hexane, isoprene, methanol, MEK, MIBK, octane, pentane, 1-pentene
, toluene, xylene, butane, ethane, methane, propane, ethylene and propylene, www.
10] alkenes such as ethylene, propylene, 1butene, 1-pentene
, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, and 4-methyl-1-pentene
Equistar Chemicals has obtained a patent for an adhesive composition comprised of (a) 2% to 30% weight of a modified polyolefin comprised of a polymer grafted with carboxylic acids, carboxylic acid anhydrides or derivatives thereof, the polymer being selected from a group consisting of (i) ethylene homopolymers, (ii) copolymers of ethylene with propylene, 1-butene, 4-methyl 1-pentene
, 1-hexene, or 1-octene, (iii) propylene homopolymers, (iv) copolymers of propylene with ethylene or C4-C10-olefins, and (v) mixtures of (i)-(iv); (b) 0.
Substances (wt%) [degrees]C 1-Butene 2-Butene 1-Pentene
HY-Zeolite 400 -- 6.
A new crystalline form has been recently reported (14-24) in the case of copolymers of iPP with high contents of 1-hexene or 1-pentene