WO2009075680A1 - Article résineux formé contenant un additif pour un effet visuel spécial - Google Patents

Article résineux formé contenant un additif pour un effet visuel spécial Download PDF

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Publication number
WO2009075680A1
WO2009075680A1 PCT/US2007/087162 US2007087162W WO2009075680A1 WO 2009075680 A1 WO2009075680 A1 WO 2009075680A1 US 2007087162 W US2007087162 W US 2007087162W WO 2009075680 A1 WO2009075680 A1 WO 2009075680A1
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WO
WIPO (PCT)
Prior art keywords
phr
range
visual effect
special visual
present
Prior art date
Application number
PCT/US2007/087162
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English (en)
Inventor
Douglas Warren Howie, Jr.
Olga Kuvshinnikova
Patrick Rodgers
Original Assignee
Sabic Innovative Plastics Ip B.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sabic Innovative Plastics Ip B.V. filed Critical Sabic Innovative Plastics Ip B.V.
Priority to PCT/US2007/087162 priority Critical patent/WO2009075680A1/fr
Publication of WO2009075680A1 publication Critical patent/WO2009075680A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/18—Homopolymers or copolymers of nitriles
    • C08L33/20—Homopolymers or copolymers of acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/40—Glass

Definitions

  • the present invention relates to formed resinous articles derived from compositions comprising an ASA resin and a special visual effect additive and having improved appearance in formed parts.
  • Plastic articles having a sparkling or metallescent look can be created by incorporating a special visual effect additive such as free metal flakes into a plastic article at such loading that the individual flakes can be distinguished by the naked eye, resulting in an article with a sparkling or metallescent appearance.
  • a special visual effect additive such as free metal flakes
  • the invention comprises a formed article exhibiting a special visual effect derived from a composition comprising (i) at least one of an ASA resin or a methyl methacrylate- modif ⁇ ed ASA resin present in an amount in a range of between about 10 phr and about 80 phr, (ii) at least one thermoplastic resin selected from the group consisting of SAN, MMASAN, AMSAN, and PMMA, (iii) at least one of glass roving or glass fiber present in an amount in a range of between about 2 phr and about 25 phr, and (iv) a mixture of special visual effect additives selected from the group consisting of metallic flakes, dyed metallic flakes, mineral flakes, dyed mineral flakes, mineral flakes with a metallic coating, and mineral flakes with
  • the invention comprises a formed article exhibiting a special visual effect derived from a composition
  • a composition comprising (i) at least one of an ASA resin or an methyl methacrylate-modified ASA resin present in an amount in a range of between about 10 phr and about 80 phr, (ii) at least one thermoplastic resin selected from the group consisting of SAN, MMASAN, AMSAN, and PMMA, (iii) at least one of glass roving or glass fiber present in an amount in a range of between about 2 phr and about 25 phr, (iv) mica present in an amount in a range of between about 1 phr and about 10 phr, and (v) an acrylic copolymer resin processing aid present in an amount in a range of between about 2 phr and about 10 phr.
  • Thermoplastic resins suitable as resinous components in embodiments of compositions of the present invention include, but are not limited to, polyolefins, low density polyethylenes (LDPE), high density polyethylenes (HDPE), polypropylenes (PP), polystyrenes (PS), styrene-acrylonitrile copolymers (SAN), alpha-methylsryrene-acrylonitrile copolymers (AMSAN), polycarbonates (PC), bisphenol A polycarbonates, polyesters, poly(ethylene terephthalates), poly(trimethylene terephthalates), poly(butylene terephthalates), polyamides, acrylonitrile-ethylene-styrene copolymers (AES), acrylonitrile-butadiene-styrene copolymers (ABS), acrylate-modified ABSs, acrylonitrile-styrene-acrylate copolymers (ASA), methyl methacrylate-modified ASAs,
  • Blends comprising at least one of these resins are also within the scope of the invention.
  • Illustrative examples of blends include, but are not limited to, polyphenylene ether blends with polystyrene, polyphenylene ether blends with polyamide, ABS or acrylate-modified ABS blends with polycarbonate, ABS or acrylate-modified ABS blends with PMMA, ABS or acrylate-modified ABS blends with SAN, ASA or methyl methacrylate-modified ASA blends with polycarbonate, ASA or methyl methacrylate-modified ASA blends with PMMA, ASA or methyl methacrylate-modified ASA blends with MMASAN, ASA or methyl methacrylate- modified ASA blends with AMSAN, and ASA or methyl methacrylate-modified ASA blends with SAN.
  • any of these thermoplastic resins or blends may be used as a carrier resin in producing concentrates of one or more special visual effect additives as described hereinafter.
  • a suitable thermoplastic resin comprises a rubber modified thermoplastic resin.
  • a suitable rubber modified thermoplastic resin may comprise a rigid thermoplastic phase with structural units derived from a monomer mixture comprising at least one vinyl aromatic monomer and at least one monoethylenically unsaturated nitrile monomer and an elastomeric phase with structural units derived from at least one monoethylenically unsaturated alkyl (meth)acrylate monomer.
  • ASA-type resins Collectively, these types of rubber modified thermoplastic resins are known as ASA-type resins.
  • ASA-type resins When ASA-type resins are employed, they may be present in compositions of the invention in an amount in a range of between about 10 parts per hundred parts resin by weight (phr) and about 80 phr, and preferably in an amount in a range of between about 35 phr and about 65 phr.
  • Additives which provide special visual effects in compositions in embodiments of the invention comprise those which provide at least one of a sparkle effect, a metallic sparkle, a metallic luster, a metallescent effect, an angular metamerism effect, a pearlescent effect, an appearance resembling stone or resembling granite, a hammered metal effect, or like effect.
  • special visual effect additives comprise at least two different particle sizes of additives. Formed parts of compositions comprising additives comprising particles such as metal flakes of at least two different sizes typically show greater variation in color per unit area and a desirably coarser texture when compared to formed parts of compositions having only one particle size.
  • suitable special visual effect additives comprise mineral flakes, metallic flakes, or mineral flakes with a metallic or metal oxide coating.
  • the flakes typically have a mean particle size ranging from about 1 to about 3500 microns, preferably from about 10 to about 700 microns, more preferably from about 10 to about 300 microns, and still more preferably from about 10 to about 100 microns.
  • the preferred mineral flakes are mica flakes. In one embodiment, when a mixture of flakes of two different mean particle sizes is employed, then one has particle size ranging from about 12 to about 25 microns and the other has particle size of greater than about 30 microns.
  • Preferred flakes are based on metals of Groups 4, 6, 8, 9, 10, 11, 13, and 14 of the periodic table of the elements.
  • the flakes may be colored or dyed.
  • flakes include, but are not limited to, aluminum, bronze, brass, chromium, copper, gold, iron, molybdenum, nickel, tin, titanium, zinc and the like.
  • Metallic flake may be produced by shredding to give a broad distribution of irregular particle shapes, or by die-cutting to give more limited particle size and shape.
  • a "cornflake” type or corrugated irregularly shaped planar metallic flake such as of aluminum or bronze may be utilized, although a "silver dollar” type or a circular planar type of flake may also be utilized as metallic flake.
  • Glitter which is a special type of aluminum flake produced from foil, may also be utilized.
  • the foil typically rolled to gauges of less than 0.025 mm, is typically cut into square, rectangular or hexagonal shapes in sizes from 0.2 to about 3 mm, and typically coated with a transparent epoxy lacquer to halt oxidative dulling of the foil. Glitter, with its large particle sizes, can produce discrete highlights of metallic sparkle.
  • Gold bronzes are typically alloys of copper and zinc with a small amount of aluminum to reduce oxidation. The range of gold colors is produced by varying proportions of major alloy components. In various examples a green gold alloy typically contains 70 percent copper, and color becomes redder as the percentage of copper is increased; 90 percent copper produces pale gold; deep gold is made by controlled oxidation of the alloys.
  • Gold bronzes are usually utilized in flake form, with coarser grades giving more brilliance.
  • the special visual effect additive may be initially in granular or pellet form comprising a carrier material, which may optionally comprise at least one polymer. Suitable carrier materials comprise mineral oil, wax, polyethylene, oxidized polyethylene, poly(methyl methacrylate), or the like. In granular form the special visual effect additive typically represents about 70-80% of the granule with the remainder being the carrier.
  • the special visual effect additives can be used to produce or enhance bright sparkle as well as hammer and leafing finishes in formed composites of the invention.
  • suitable special visual effect additives may comprise those with the tradename SIL VET ® available from Silberline Manufacturing Co., Tamaqua, Pennsylvania; those with the tradenames IRIODBSr, COLORSTREAM ® , XIRALLIC ® , BI-FLAIR ® , and MINATEC ® available from EMD Chemicals, Hawthorne, New York; and glitter products available from Meadowbrook Inventions, Inc., Bernardsville, New Jersey.
  • At least one additive which provides a special visual effect is used in compositions of the invention in one embodiment in a total amount in a range of between about 0.005 phr and about 25 phr, depending upon such factors as whether the resinous composition is substantially clear or opaque. For example, when the resinous composition is clear, less of an additive providing a special visual effect is used than when the resinous composition is opaque. As little as 0.01 phr of a special visual effect additive may be employed in clear resinous compositions.
  • At least one special visual effect additive is used in compositions of the invention in a total amount in a range of between about 0.01 phr and about 10 phr, or in an amount in a range of between about 0.05 phr and about 8 phr, with about 0.5-4 phr being preferred.
  • mica may be present in compositions of the invention in an amount in a range of between about 1 phr and 10 phr, and preferably in an amount in a range of between about 2 phr and 6 phr.
  • a convenient method to describe their relative amounts is by ratio of number of particles per unit volume.
  • a special visual effect additive of smaller particle size typically has a higher number of particles per unit volume than a special visual effect additive of larger particle size.
  • the ratio of the number of particles per unit volume of a special visual effect additive of larger mean particle size to the number of particles per unit volume of a special visual effect additive of smaller mean particle size is in one embodiment in a range of between about 0.1 and about 1, and in another embodiment in a range of between about 0.5 and about 0.8.
  • the ratio of the weight of a special visual effect additive of larger mean particle size to the weight of a special visual effect additive of smaller mean particle size is in one embodiment less than or equal to 0.7.
  • compositions in some embodiments of the invention may optionally comprise glass fibers, glass roving, glass spheres, microsphere beads, or particles of crosslinked polymer such as crosslinked acrylic resin, or the like, or mixtures comprising at least one of such additives.
  • microsphere beads may have a diameter in a range of about 1 to about 1300 microns, typically in a range of about 1 to about 850 microns, and more typically in a range of about 10 to about 200 microns.
  • the beads are comprised of glass and have a diameter of about 50 microns.
  • the beads are comprised of barium titanate.
  • optional glass roving or glass fibers or mixtures thereof may be present in compositions of the invention at a level in a range of between at least 1 part per hundred parts of resinous components (phr) and less than about 30 phr.
  • optional glass roving or glass fibers or mixtures thereof may be present in compositions of the invention at a level in a range of between about 2 phr and about 25 phr, and preferably in a range of between about 2 phr and 8 phr.
  • compositions of the present invention optionally comprise one or more additives known in the art which do not substantially interfere with the special visual effects.
  • additives include, but are not limited to, stabilizers, such as color stabilizers, heat stabilizers, light stabilizers, antioxidants, UV screeners, and UV absorbers; flame retardants, anti-drip agents, nucleating agents, lubricants, flow promoters, rheology modifiers, and other processing aids; plasticizers, antistatic agents, mold release agents, impact modifiers, fillers, and colorants such as dyes and pigments which may be organic, inorganic or organometallic; and like additives, hi particular embodiments illustrative additives include, but are not limited to, silica, silicates, zeolites, titanium dioxide, stone powder, glass fibers, glass spheres, glass roving, carbon fibers, carbon black, graphite, calcium carbonate, talc, lithopone, zinc oxide, zirconium silicate, iron oxides, di
  • Illustrative processing aids comprise (i) ethylene bisstearamide, (ii) an acrylic copolymer resin, such as acrylic rubber-modified acrylic resins, for example METABLEN ® modifiers available from Mitsubishi Rayon Co.; (iii) a thermoplastic resin, particularly a high molecular weight resin, comprising structural units derived from styrene and acrylonitrile and optionally methyl methacrylate, for example BLENDEX ® modifiers available from Crompton Corporation; (iv) a fluoropolymer, such as, but not limited to, poly(tetrafluoroethylene), optionally encapsulated in a resin matrix, illustrative examples of which matrices include resins comprising structural units derived from styrene and acrylonitrile and optionally methyl methacrylate as described, for example in U.S.
  • an acrylic copolymer resin such as acrylic rubber-modified acrylic resins, for example METABLEN ® modifiers available
  • ethylene bisstearamide may comprise an amount of a composition of the invention in a range of between about 0.5 phr and about 3 phr, and preferably an amount in a range of between about 1 phr and about 2 phr.
  • an acrylic copolymer resin processing aid may comprise an amount of a composition of the invention in a range of between about 2 phr and about 10 phr, and preferably an amount in a range of between about 3 phr and about 6 phr.
  • compositions of the invention optionally comprises at least one additive selected from the group consisting of colorants, dyes, pigments, lubricants, processing aids, stabilizers, heat stabilizers, light stabilizers, antioxidants, UV screeners, UV absorbers, fillers, glass fibers, glass roving, poly(tetrafluoroethylene), and mixtures thereof.
  • a composition of the invention comprises at least one colorant which is an organic additive present at a level in a range of between about 0.01 phr and about 1 phr.
  • a composition of the invention comprises at least one colorant which is an inorganic additive present at a level or less than about 2 phr and preferably in a range of between about 0.01 phr and about 2 phr.
  • compositions of the present invention are prepared by combining all of the blend components to form a first mixture.
  • the mixing can be typically carried out in any conventional mixer like drum mixers, ribbon mixers, vertical spiral mixers, Muller mixers, Henschel mixers, sigma mixers, chaotic mixers, static mixers or the like.
  • the first mixture is then compounded under melt-mixing conditions using any conventional method, such as extrusion kneading or roll kneading, a two-roll mill, in a Banbury mixer or in a single screw or twin-screw extruder, or in any high shear mixing device to mix the components to produce an intimate mixture, and optionally, to reduce the composition so formed to particulate form, for example, by pelletizing or grinding the composition.
  • the twin screw extruder when employed, can be co-rotating, counter rotating, intermeshing, non- intermeshing, a planetary gear extruder, a co-continuous mixer, or the like.
  • the compounding process can be a continuous, semi-continuous, or a batch process, hi other embodiments all or a portion of one or more blend components, either neat or combined with a portion of thermoplastic resin, may be added to the composition at some stage of a blending process, such as to a barrel segment down-stream of the feed-throat in an extrusion process.
  • a portion of some thermoplastic resin may be intimately mixed with special visual effect additive or other additive or both either separately or together, to prepare one or more master batches, and then the remaining thermoplastic resin and any other components may be combined therewith for formation of an intimate mixture.
  • a thermoplastic resin is compounded with one or more special visual effect additives and provided in the form of pellets which are then combined and compounded with other blend components using methods described herein.
  • Articles comprising compositions described herein are also embodiments of the invention.
  • Said articles include, but are not limited to, those typically used in applications requiring special visual effect properties, hi some embodiments the articles comprise unitary articles, hi still other embodiments the articles may comprise a sheet or film comprising a composition of the present invention, hi other embodiments the articles may comprise a multilayer article comprising at least one layer comprising a composition of the present invention.
  • Some particular suitable articles comprise outdoor and indoor signs, highway signs, traffic signs, horizontal signs, surface markers, guard rails, Jersey barriers; traffic barrels, tubes, and cones; and pavement or road markers and lines.
  • Additional articles include, but are not limited to, articles for outdoor vehicle and device (OVAD) applications; exterior and interior components for aircraft, automotive, truck, military and emergency vehicles (including automotive, and water-borne vehicles), scooter, and motorcycle, including panels, quarter panels, rocker panels, vertical panels, horizontal panels, trim, pillars, center posts, fenders, doors, decldids, trunldids, hoods, bonnets, roofs, fascia, grilles, mirror housings, pillar appliques, cladding, body side moldings, wheel covers, door handles, spoilers, window frames, headlamp bezels, tail lamp housings, tail lamp bezels, license plate enclosures, and roof racks; enclosures, housings, panels, and parts for outdoor vehicles and devices; enclosures for electrical and telecommunication devices; outdoor furniture; aircraft components; boats and marine equipment, including trim, enclosures, and housings; outboard motor housings; depth finder housings, personal water-craft; jet-skis; pools; spas; hot-tubs; steps; step covering
  • Articles comprising compositions of the invention may be prepared by known thermoplastic processing techniques. Such processing techniques for forming articles include, but are not limited to, extrusion, kneading, profile extrusion, sheet extrusion, coextrusion, molding, extrusion blow molding, thermoforming, injection molding, co-injection molding and rotomolding.
  • the invention further contemplates further optional fabrication operations on said articles, such as, but not limited to, in- mold decoration, baking in a paint oven, surface etching, lamination, and/or thermoforming.
  • articles of the invention are made by an injection molding process. Articles made in textured molds or in molds comprising a shim are also encompassed in embodiments of the invention.
  • ASA comprised 45 wt.% elastomeric phase comprising structural units derived from butyl acrylate, and 55 wt.% grafted thermoplastic phase comprising structural units derived from 30.1% styrene, 13.7% acrylonitrile and 11.1% methyl methacrylate (wt./wt./wt. ratio totaling 55).
  • MMASAN resin comprised structural units derived from 35 wt.% methyl methacrylate (MMA), 40 wt.% styrene (S), and 25 wt.% acrylonitrile (AN).
  • MMA methyl methacrylate
  • S styrene
  • AN acrylonitrile
  • "Aluminum flake 1" had an average particle size of about 15-18 microns and was provided as pellets of aluminum flake contained in a carrier of polyethylene wax with ⁇ a ratio of about 70% Al to about 30% wax available as SPARKLE SILVET® 960-30- El from Silberline Co., Tamaqua, Pennsylvania.
  • Al flake 2 had an average particle size of about 40 microns and was provided as pellets of aluminum flake contained in a carrier of PMMA with a ratio of about 80% Al to about 20% PMMA available as SPARKLE SILVET ® ST790-20-P from Silberline Co., Tamaqua, Pennsylvania.
  • Al flake 3 had an average particle size of about 85 microns and was provided as pellets of aluminum flake contained in a carrier of polyethylene wax with a ratio of about 70% Al to about 30% wax available as SILVET ® 440-30-E1 from Silberline Co., Tamaqua, Pennsylvania.
  • a resinous composition was prepared comprising (i) 35 parts per hundred parts resin (phr) ASA powder, (ii) 65 phr MMASAN pellets, (iii) 0.5 phr aluminum flake 1, (iv) 1.5 phr aluminum flake 2, and (v) 6.5 phr glass roving.
  • the composition also comprised (vi) 1.65 phr of an additive package comprising a lubricant, heat stabilizers, and anti-oxidants which did not significantly affect the appearance of molded parts.
  • the composition was compounded by extrusion and evaluated by injection molding into test parts. Photographs of plaques of the molded composition showed greater variation in color per unit area and appeared to have a coarser texture when compared to photographs of plaques of a molded composition having only one flake size.
  • a resinous composition was prepared comprising components (i)-(vi) of Example 1.
  • the composition comprised 1.5 phr ethylene bisstearamide and 0.03 phr carbon black.
  • the composition was compounded by extrusion and evaluated by injection molding into test parts. Photographs of plaques of the molded composition showed greater variation in color per unit area and appeared to have a coarser texture when compared to photographs of plaques of a molded composition having only one flake size.
  • a resinous composition was prepared comprising components (i)-(vi) of Example 1.
  • the composition comprised 1.5 phr ethylene bisstearamide, 0.03 phr carbon black, and 5 phr of a polymer comprising structural units derived from methyl methacrylate and butyl acrylate (available from Mitsubishi Rayon Co. under the tradename METABLEN ® P552).
  • the composition was compounded by extrusion and evaluated by injection molding into test parts. Photographs of plaques of the molded composition showed greater variation in color per unit area and appeared to have a coarser texture when compared to photographs of plaques of a molded composition not including METABLEN ® .
  • a resinous composition comprising components (i)-(vi) of Example 1.
  • the composition comprised 1.5 phr ethylene bisstearamide, 0.03 phr carbon black, and 10 phr of a polymer comprising structural units derived from methyl methacrylate and butyl acrylate (available from Mitsubishi Rayon Co. under the tradename METABLEN ® P552).
  • the composition was compounded by extrusion and evaluated by injection molding into test parts. Photographs of plaques of the molded composition showed greater variation in color per unit area and appeared to have a coarser texture when compared to photographs of plaques of a molded composition not including METABLEN ® .
  • a resinous composition comprising components (i)-(vi) of Example 1.
  • the composition comprised 1.5 phr ethylene bisstearamide, 0.2 phr red pigment, 0.3 phr green pigment, and 5 phr of a polymer comprising structural units derived from methyl methacrylate and butyl acrylate (available from Mitsubishi Rayon Co. under the tradename METABLEN ® P552).
  • the composition was compounded by extrusion and evaluated by injection molding into test parts. Photographs of plaques of the molded composition showed greater variation in color per unit area and appeared to have a coarser texture when compared to photographs of plaques of a molded composition not including METABLEN ® .
  • a resinous composition was prepared comprising (i) 35 parts per hundred parts resin (phr) ASA powder, (ii) 65 phr MMASAN pellets, (iii) 6.5 phr glass roving, and (iv) a blend of aluminum flake 1 and aluminum flake 3 in a wt./wt. ratio of 1:2.
  • the composition also comprised (vi) 1.65 phr of an additive package comprising a lubricant, heat stabilizers, and anti-oxidants which did not significantly affect the appearance of molded parts.
  • the composition was compounded by extrusion and evaluated by injection molding into test parts. Photographs of plaques of the molded composition showed greater variation in color per unit area and appeared to have a coarser texture when compared to photographs of plaques of a molded composition having only one flake size.
  • a resinous composition was prepared comprising 35 parts per hundred parts resin (phr) ASA powder, 65 phr MMASAN pellets, 6.5 phr glass roving, and 4 phr mica flake with particle size range of 10-60 microns (IRIODIN ® 100 available from EMD Chemicals, Hawthorne, New York).
  • the composition also comprised 1.65 phr of an additive package comprising a lubricant, heat stabilizers, and anti-oxidants which did not significantly affect the appearance of molded parts.
  • composition comprised 1.5 phr ethylene bisstearamide, 0.03 phr carbon black, and 5 phr of a polymer comprising structural units derived from methyl methacrylate and butyl acrylate (available from Mitsubishi Rayon Co. under the tradename METABLEN ® P552).
  • the composition was compounded by extrusion and evaluated by injection molding into test parts. Photographs of plaques of the molded composition showed greater variation in color per unit area and appeared to have a coarser texture when compared to photographs of plaques of a molded composition not including METABLEN ® .

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne des articles résineux formés dérivés de compositions contenant une résine ASA et un additif pour un effet visuel spécial.
PCT/US2007/087162 2007-12-12 2007-12-12 Article résineux formé contenant un additif pour un effet visuel spécial WO2009075680A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2007/087162 WO2009075680A1 (fr) 2007-12-12 2007-12-12 Article résineux formé contenant un additif pour un effet visuel spécial

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104004310A (zh) * 2014-05-05 2014-08-27 上海锦湖日丽塑料有限公司 可用于挤出成型的高耐候白色asa树脂及其制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0522314A1 (fr) * 1991-07-03 1993-01-13 BASF Aktiengesellschaft Masses à mouler thermoplastiques à base de polycarbonates, de polymères de styrène et d'acrylonitrile, et de polyoléfines
EP0584749A2 (fr) * 1992-08-27 1994-03-02 BASF Aktiengesellschaft Mélanges de résines styrènes et imides avec des renforcements de verre
US20060069208A1 (en) * 2004-09-29 2006-03-30 General Electric Company Weatherable resinous composition with improved heat resistance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0522314A1 (fr) * 1991-07-03 1993-01-13 BASF Aktiengesellschaft Masses à mouler thermoplastiques à base de polycarbonates, de polymères de styrène et d'acrylonitrile, et de polyoléfines
EP0584749A2 (fr) * 1992-08-27 1994-03-02 BASF Aktiengesellschaft Mélanges de résines styrènes et imides avec des renforcements de verre
US20060069208A1 (en) * 2004-09-29 2006-03-30 General Electric Company Weatherable resinous composition with improved heat resistance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104004310A (zh) * 2014-05-05 2014-08-27 上海锦湖日丽塑料有限公司 可用于挤出成型的高耐候白色asa树脂及其制备方法

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