END USE APPLICATIONS PREPARED FROM CERTAIN BLOCK COPOLYMERS
Articles and methods for forming articles containing hybrid block copolymers having conjugated diene and/or alkenyl aromatic and at least one block of (1-methyl-1-alkyl)alkyl ester groups and/or anhydride groups which are derived from the ester groups and/or acid groups.
1 . An article comprising at least one engineering thermoplastic resin and a hybrid block copolymer, said hybrid block copolymer comprising at least one A block or B block copolymerized with at least one M block, wherein:
(a) the A block is a polymer block of one or more mono alkenyl arenes and the B block is a polymer block of at least one or more conjugated dienes;
(b) the M block is an ester or anhydride polymer block of (1-methyl-1-alkyl)alkyl ester;
(c) the A block having a molecular weight range of from 500 to 40,000, and the B block having a molecular weight range of from 2,000 to 200,000 and the M block having a molecular weight from 200 to 100,000 prior to optional conversion to anhydride form.
2 . The article of claim 1 wherein the at least one engineering thermoplastic resin is selected from the group consisting of thermoplastic polyester, thermoplastic polyurethane, poly(aryl ether), poly(aryl sulfone), polycarbonate, acetal resin, polyamide, halogenated thermoplastic, nitrile barrier resin, acrylic polymer, cyclic olefin copolymer, and mixtures thereof.
3 . The article of claim 2 wherein the engineering thermoplastic resin comprises poly(aryl ether) and at least one other of said engineering thermoplastic resins.
4 . The article of claim 3 wherein the poly(aryl ether) is polyphenylene ether.
5 . The article of claim 3 wherein the at least one other engineering thermoplastic resin comprises polyamide.
6 . The article of claim 5 wherein the polyamide is selected from the group consisting of polyhexamethylene adipamide (nylon 6,6), polyhexamethylene sebacamide (nylon 6,10), polycaprolactam (nylon 6), polyhexamethylene terephthalamide, polyhexamethylene isophthalamide, polyhexamethylene tere-co-isophthalamide, and mixtures thereof.
7 . The article of claim 3 wherein the at least one other engineering thermoplastic resin comprises thermoplastic polyester.
8 . The article of claim 2 wherein the at least one engineering thermoplastic resin is thermoplastic polyurethane.
9 . The article of claim 2 wherein the at least one engineering thermoplastic is poly(methyl methacrylate).
10 . The article of claim 1 wherein the conjugated diene is butadiene or isoprene, the mono alkenyl arene is styrene, and the (1-methyl-1-alkyl)alkyl ester is tert-butyl methacrylate.
11 . The article of claim 1 containing from 2-40% of the hybrid block copolymer and from 4-98% of the at least one engineering thermoplastic resin.
12 . The article of claim 1 further comprising 5-50 wt % fillers.
13 . The article of claim 1 further comprising optionally hydrogenated styrenic block copolymers.
14 . The article of claim 1 , wherein the article is selected from the group consisting of injection molded/extruded articles, packaging films, barrier films, personal hygiene films and fibers, blown films, coextruded films, tie layers, medical devices, toys, extruded films, extruded tubes, extruded profiles, overmolded grips, overmolded parts, airbags, steering wheels, toys, cap seals, automotive parts, spray coatings, trays, gloves, gaskets, sheets, athletic equipment, and hoses/tubing.
15 . The article according to claim 1 wherein the article is in the form of a film, sheet, coating, band, strip, profile, molding, foam, tape, fabric, thread, filament, ribbon, fiber, plurality of fibers or fibrous web.
16 . The article according to claim 1 wherein said article is formed in a process selected from the group consisting of injection molding, over molding, dipping, extrusion, roto molding, slush molding, fiber spinning, film making or foaming.
17 . The article of claim 1 further comprising an olefin polymer selected from the group consisting of ethylene homopolymers, ethylene/alpha olefin copolymers, ethylene/vinyl aromatic copolymers, propylene homopolymers, propylene/alpha olefin copolymers, propylene/vinyl aromatic copolymers, high impact polypropylene, and ethylene/vinyl acetate copolymers.
18 . The article of claim 1 further comprising a styrene polymer selected from the group consisting of crystal polystyrene, high impact polystyrene, medium impact polystyrene, and syndiotactic polystyrene.
19 . An article comprising a paraffinic or naphthenic extending oil and a hybrid block copolymer, said hybrid block copolymer comprising at least one A block or B block copolymerized with at least one M block, wherein:
(a) the A block is a polymer block of one or more mono alkenyl arenes and the B block is a polymer block of at least one or more conjugated dienes;
(b) the M block is an ester or anhydride polymer block of (1-methyl-1-alkyl)alkyl ester;
(c) the A block having a molecular weight range of from 500 to 40,000, and the B block having a molecular weight range of from 2,000 to 200,000 and the M block having a molecular weight from 200 to 100,000 prior to optional conversion to anhydride form.
20 . The article of claim 19 further comprising at least one engineering thermoplastic resin is selected from the group consisting of thermoplastic polyester, thermoplastic polyurethane, poly(aryl ether), poly(aryl sulfone), polycarbonate, acetal resin, polyamide, halogenated thermoplastic, nitrile barrier resin, acrylic polymer, cyclic olefin copolymer, and mixtures thereof.