A hot melt adhesive composition that includes a first ethylene alpha-olefin copolymer having a density of no greater than 0.90 grams per cubic centimeter, a second styrene block copolymer, tackifying agent, synthetic wax having a melting point of at least 70 C. and a heat of fusion of at least 200 Joules/gram, and a third polymer selected from the group consisting of ethylene-polar comonomer copolymer derived from at least 90 mole % ethylene and no greater than 10 mole % co-monomer, propylene-alpha-olefin copolymer derived from at least 8 mole % co-monomer, exhibiting a heat of fusion of from at least 5 J/g to no greater than 60 J/g, and having a polydispersity index of no greater than 10, and propylene homopolymer exhibiting a heat of fusion of from at least 5 J/g to no greater than 60 J/g.

A hot melt adhesive composition that includes a first ethylene alpha-olefin copolymer having a density of no greater than 0.90 grams per cubic centimeter, a second styrene block copolymer, tackifying agent, synthetic wax having a melting point of at least 70 C. and a heat of fusion of at least 200 Joules/gram, and a third polymer selected from the group consisting of ethylene-polar comonomer copolymer derived from at least 90 mole % ethylene and no greater than 10 mole % co-monomer, propylene-alpha-olefin copolymer derived from at least 8 mole % co-monomer, exhibiting a heat of fusion of from at least 5 J/g to no greater than 60 J/g, and having a polydispersity index of no greater than 10, and propylene homopolymer exhibiting a heat of fusion of from at least 5 J/g to no greater than 60 J/g.

Aspects of the present disclosure generally describe polyarylether ketones and methods of use. In some aspects, a composition includes one or more polymers of formulae (I), (II), or (III):

##STR00001## ##STR00002##

Aspects of the present disclosure generally describe polyarylether ketones and methods of use. In some aspects, a composition includes one or more polymers of formulae (I), (II), or (III):

##STR00001## ##STR00002##

1) Hydrocarbon-based polymer of formula (I): ##STR00001## in which F.sup.1 and F.sup.2 have the respective formulae (IIa) and (IIb) or (IIa) and (IIb): ##STR00002## a process for its preparation, and use as an adhesive.

1) Hydrocarbon-based polymer of formula (I): ##STR00001## in which F.sup.1 and F.sup.2 have the respective formulae (IIa) and (IIb) or (IIa) and (IIb): ##STR00002## a process for its preparation, and use as an adhesive.

Aspects of the present disclosure generally describe polyarylether ketones and methods of use. In some aspects, a composition includes one or more polymers of formula (IV):

##STR00001##

Aspects of the present disclosure generally describe polyarylether ketones and methods of use. In some aspects, a composition includes one or more polymers of formula (IV):

##STR00001##

1) Hydrocarbon polymer having two azlactone end groups ##STR00001##
F.sup.1 is formula (IIa) and F.sup.2 is formula (IIb): ##STR00002## g and d are 0, 1, 2 or 3; R.sup.14 and R.sup.15 are C.sub.1-C.sub.4 or a cyclohexyl radical; R.sup.1 to R.sup.12 represents hydrogen or alkyl with 1 to 22 carbon atoms; x and y are integers, x+y is 0 to 2; R.sup.13 is oxygen or sulphur or divalent CH.sub.2 n1, n2, m, p1 and p2 are an integer or equal to 0 and such that the molecular weight Mn of the polymer of formula (I) is between 400 and 100 000 g/mol; a process for preparation of the polymer; and use as adhesive in mixture with an amino compound with at least two amine groups.

A resin material including a hydrogenated crystalline polar group-containing dicyclopentadiene ring-opening polymer and a hydrogenated crystalline non-polar dicyclopentadiene ring-opening polymer in a weight ratio (hydrogenated crystalline polar group-containing dicyclopentadiene ring-opening polymer:hydrogenated crystalline non-polar dicyclopentadiene ring-opening polymer) of 100:0 to 1:99, the hydrogenated crystalline polar group-containing dicyclopentadiene ring-opening polymer being obtained by melt-mixing a hydrogenated crystalline non-polar dicyclopentadiene ring-opening polymer, a radical initiator, and a polar group-containing compound that includes an ethylenically unsaturated bond, the resin material including a structural unit derived from the polar group-containing compound that includes an ethylenically unsaturated bond in a ratio of 0.05 to 3.0 parts by weight based on 100 parts by weight of the hydrogenated crystalline polar group-containing dicyclopentadiene ring-opening polymer and the hydrogenated crystalline non-polar dicyclopentadiene ring-opening polymer in total; and a resin film including the resin material; and a laminate film including the resin film.