Abstract:
A process for preparing an olefin polymer grafted poly(vinyl alcohol) polymer, in which an olefin polymer is first treated with a free radical polymerization initiator, a peroxidized olefin polymer material, or ionizing radiation, then grafted with a vinyl ester monomer to form an olefin polymer grafted poly(vinyl ester) polymer, and finally the vinyl ester moieties in the resulting grafted polymer are converted to vinyl alcohol moieties, at a temperature of from 25 to less than 100°C, in a mixed aromatic hydrocarbon/alkanol solvent system. The resulting olefin polymer grafted poly(vinyl alcohol) polymer has improved oxygen barrier properties.
Abstract:
An irradiated butene-1 polymer material characterized by high melt strength and softness, and composiiton of this high melt strength butene-1 polymer with non-irradiated butene-1 polymer materials having enhanced crystallization properties.
Abstract:
A nanocomposite composition having improved mechanical properties containing , A. about 5 to about 20 wt% of a compatibilizing dispersant chosen from an olefin polymer peroxide, an ionomer of an olefin polymer peroxide, a grafted olefin polymer peroxide, and mixtures thereof; B. about 1 to about 15 wt% of a smectite clay; and C. about 65 to about 94 wt% of an olefin polymer material ; wherein the sum of components A + B+ C is equal to 100 wt%.
Abstract:
Una composición de nanocompuesto con propiedades mecánicas mejoradas que contiene: A entre aproximadamente 5% y aproximadamente 20% en peso de un dispersante compatibilizante seleccionado entre un peróxido de polímero de olefina, un ionómero de un peróxido de polímero de olefina, un peróxido de polímero de olefina injertado y mezclas de los mismos; B entre aproximadamente 1% y aproximadamente 15% en peso de arcilla de esmectita; y C entre aproximadamente 65% y aproximadamente 94% en peso de un material de polímero de olefina; donde la suma de los componentes A + B + C es igual a 100% en peso.
Abstract:
Agentes de acoplamiento de polímero de olefina oxidado, irradiados, para utilizar en la fabricación de composiciones de polímero de olefina que contienen un relleno y un retardante de llama no halogenado, y concentrados de polímero de olefina que contienen un agente de acoplamiento. Reivindicación 1: Una composición de polímero de olefina que contiene relleno o retardantes de llama no halogenado, que comprende: A) entre 2,0 y 60,0 % del peso de un material de polímero de olefina oxidado, irradiado; B) 10,0 y 85,0 % del peso de (i) un retardante de llama no halogenado, (ii) un relleno seleccionado entre el grupo que comprende fibra de vidrio, fibras de carbono, fibras de grafito, fibras de cerámica, fibras de metal, aramidas, talco, wolastonita, carbonato de calcio, mica, microesferas de vidrio, lana de roca, lana de acero inoxidable, lana de acero, yeso, alúmina, alúmina-sílice, y sílice, o (iii) mezclas de los mismos; y C) entre 1,0 y 88,0 % del peso de un material de polímero de olefina no oxidado, no irradiado; donde la suma de los componentes A + B + C es igual al 100% del peso.
Abstract:
An irradiated butene-1 polymer material characterized by high melt strength and softness, and composiiton of this high melt strength butene-1 polymer wi th non-irradiated butene-1 polymer materials having enhanced crystallization properties.
Abstract:
Irradiated, oxidized olefin polymer coupling agents for use in the manufacture of non-halogenated flame retardant-containing and filler-containing olefin polymer compositions and coupling agent-containing olefin polymer concentrates.
Abstract:
A compatible blend of an engineering thermoplastic such as a polyamide and an olefin polymer material is prepared by (1) making an oxidized olefin polymer material containing carboxylic acid groups or derivatives thereof, (2) extruding a mixture of (a) the oxidized olefin polymer material from step (1), (b) an engineering thermoplastic, (c) optionally, an inorganic base, and (d) optionally, a non-oxidized olefin polymer material, and (3) recovering a blend of the engineering thermoplastic, the oxidized olefin polymer material or an ionomer thereof, which acts as a compatibilizer, and, optionally, the non-oxidized olefin polymer material. The oxidized olefin polymer material can be made by treating the olefin polymer material with an organic peroxide initiator while adding a controlled amount of oxygen.
Abstract:
Irradiated, oxidized olefin polymer dispersing aids for use in the manufactu re of additive concentrates and additive-containing olefin polymer compositions .
Abstract:
Irradiated, oxidized olefin polymer dispersing aids for use in the manufacture of additive concentrates and additive-containing olefin polymer compositions.