Montell North America Inc.

Basell Poliolefine Italia, S.p.a.

Ausimont S.p.a.

Montell Technology Company Bv

Basell Technology Company B.v.

Himont Incorporated

Ausimont S.r.l.

Vittorio Braga

Emilio Martini

Franco Sartori

Gianni Collina

Federico Milani

Roberto Bonari

Michele Manica

Carlo Giavarini

Luigi Resconi

Enrico Albizzati

Maurizio Stefano Galimberti

Anteo Pelliconi

Paolo Goberti

Roberta Marchini

Carlo Mulas

Rosanna Silvestri

Marco Scarsella

Ugo Zucchelli

Francesco Romani

Renato Ghisellini

Ugo Zuccelli

Maria L Santarelli

Virginie Lietard

Giampaolo Pellegatti

Giampaolo Pellegati

Ugo Zuccheli

Polyolefin compositions comprising: (A) 20 to 50 parts by weight of a particular propylene polymer having a MWD greater than 3.5; and (B) 50 to 80 parts by weight of an elastomeric ethylene copolymer having a low enthalpy of fusion and a narrow MWD. The compositions of the invention are capable of giving, after dynamic vulcanization, thermoplastic elastomeric products having optimum elastomeric properties and a good balance of physico-mechanical properties.

Dynamically vulcanizable polyolefin composition

Compositions of elastoplastic ionomeric polymers having hardness below 92 points Shore A. comprising polar elastomers (10-45 wt. %), such as polyacrylic and nitrile rubbers, apolar crystalline polyolefins (15-40 wt. %) and elastoplastic polyolefins (25-75 wt. %). These compositions are used for making single-layer and multilayer laminar products that can be bonded by radio-freqeuncy welding, and manufactured articles possessing antistatic properties.

Mixtures of thermoplastic elastomers and polar polymers

An elastomeric thermoplastic polyolefin composition comprising (i) an heterophasic olefin polymer composition comprising a crystalline propylene homopolymer of copolymer fraction and an elastomeric ethylene copolymer fraction and (ii) an elastomeric polymer having a hardness equal to or less than 90 points selected from the group consisting of copolymers of ethylene, ethylene-methyl acrylate copolyers, saturated or unsaturated styrene block copolymers and unsaturated norbornene polymers.

Soft elastomeric thermoplastic polyolefin compositions

Flame-proof polyolefin compositions

Esters of 3-(2-furyl)-2-propenoic acid with diols

Mixtures of C -C olefin polymers functionalized with carboxylic acids which are neutralized from 1 to 100% with metallic ions The mixtures comprise (by weight): (1) 100 parts of a heterophasic polyolefin composition comprising crystalline polypropylene and an elastomeric fraction of an ethylene/propylene or superior ethylene/&agr;-olefin copolymer where the ethylene content is less than 40%; and (II) 0-250 parts of an elastomeric polymer selected from: a) ethylene/C -C &agr;-olefin copolymers containing at least 20% of a C -C &agr;-olefin; b) ethylene/methyl acrylate copolymers containing from 15 to 30% of recurrent units of methyl acrylate, and having a MFR ranging from 1 to 10 g/10 min; and c) polyisobutylenes; d) atactic propylene homopolymers and amorphous ethylene/C -C &agr;-olefins copolymers produced with metallocenic catalysts; and e) styrene block copolymers containing butadiene and isoprene as comonomer.

Partially cross-linked elastomeric polyolefin mixtures

Polyolefinic compositions for the manufacture of articles for biomedical use

The present invention relates to bituminous compositions, particularly suitable for paving and building waterproofing, comprising a bitumen and a copolymer of ethylene with propylene and/or other alpha-olefins and optionally with smaller proportion of a diene or polyene. The copolymer is besides characterized by a very low crystallinity, intrinsic viscosity higher than 1.5 dl/g and by a content of propylene units or of the alpha-olefin in form of triads comprised between 4 and 50% of the propylene or of the alpha-olefin, with at least 70% of said triads having isotactic structure.

Bituminous compositions modified with polyolefinic materials

A foamed ionomer polymer comprising metal ions pertaining to the IA, IIA, or IIB Group of the Periodic Table, and a crystalline or semicrystalline graft copolymer where the backbone polymer chain of the graft copolymer is a polymer of an olefin selected from ethylene and C,-C,&agr;-olefins, and the grafted chains comprise monomers containing at least one functional group selected from carboxylic groups and their derivatives.

Foamed crystalline ionomer polyolefins

A mixture of elastomeric thermoplastic compositions which includes, on a weight percentage basis, (A) from 40 to 90% of a heterophasic polyolefin composition having a melt flow rate measured according to ASTM-D 1238, condition L, ranging from 20 to 100 g/10 min; and (B) from 10 to 60% of a heterophasic polyolefin composition that is partially dynamically crosslinked. The powders of this mixture are used in slush molding process for the production of laminated products.

Polymer mixture for slush molding

The present invention relates to polyolefin compositions comprising: (a) 20 to 50 parts by weight of a particular propylene polymer having an MWD greater than 3.5; and (b) 50 to 80 parts by weight of an elastomeric ethylene copoymerR having a low enthalpy of fusion and a narrow MWD. The compositions of the invention are capable of gining, after dynamic vulcanization, thermoplastic elastomeric products having optimum elastomeric properties and a good balance of physico-mechanical properties

Dynamically vulcanizable polyolefin compositions

Mixtures containing bitumen and at least one polymer selected from (A) an essentially atactic propylene homopolymer, (B) an amorphous propylene copolymer with a C.sub.4 -C.sub.10 .alpha.-olefin, and (C) an amorphous propylene copolymer with ethylene; the polymers (A) and (B) having the following characteristics:

Mixtures of bitumen and olefin polymers suitable for modifying bitumens

Essentially atactic cross-linked propylene homopolymer or amorphous cross-linked random copolymer of propylene with ethylene and/or at least one C.sub.4 -C.sub.10 .alpha.-olefin. Polymer composition comprising the above mentioned cross-linked atactic or amorphous polymers and other olefin polymers. Foamed polymer or polymer composition obtained by foaming said cross-linked atactic or amorphous polymers or said polymer composition. Process for the preparation of said polymer or foamed polymer composition.

Cross -linked atactic or amorphous propylene polymers

A bituminous mixture having improved physical properties is obtained by adding to a bitumen a polyphosphoric acid (I) containing phosphorus, calculated as P.sub.2 O.sub.5, in amount from 80% to 87% by weight, and a polymer composition (II) comprising (A) a propylene homopolymer or copolymer, (B) optionally an ethylene copolymer fraction insoluble in xylene at ambient temperature and (C) a copolymer fraction soluble in xylene at ambient temperature.

Mixtures of bitumen and polymer composition

A mixture containing bitumen and a polymer composition, characterized in that the polymer composition comprises:

Mixtures of bitumen and polymer compositions suitable for the

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Ferrara, Italy

Vittorio Braga