Classifications

• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
  • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
  • C08L23/04—Homopolymers or copolymers of ethene
  • C08L23/08—Copolymers of ethene
  • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
  • C08L23/0853—Vinylacetate
• • 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
  • C08K3/04—Carbon
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L21/00—Compositions of unspecified rubbers
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
  • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
  • C08L23/04—Homopolymers or copolymers of ethene
  • C08L23/08—Copolymers of ethene
  • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
  • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
  • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
  • C08L23/10—Homopolymers or copolymers of propene
  • C08L23/12—Polypropene
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
  • C08L83/04—Polysiloxanes
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L2205/00—Polymer mixtures characterised by other features
  • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
  • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Definitions

• thermoplastic article that includes a polymer composition that include an elastomeric EVA composition in an amount ranging from about 46 to 70 wt% of the polymer composition; and a polypropylene in an amount ranging from about 20 to 40 wt% of the polymer composition.
• thermoplastic article that includes a polymer composition that include an elastomeric EVA composition; and a polypropylene, where the polymer composition has a Shore D Hardness according to ASTM D2240 that ranges from 25 to 54 Shore D; and a tensile modulus at 100% elongation according to ASTM D638 that ranges from 5 to 20 MPa.
• Embodiments of the present disclosure are directed to the production of thermoplastic blended compositions that exhibit desired mechanical and chemical properties that include, but are not limited to, increased hardness, modified stiffness and tensile modulus, and enhanced thermal and chemical stability.
• embodiments of the present disclosure are directed to methods of the manufacture of blended polymer compositions, including blends containing elastomeric ethylene vinyl acetate (EVA) resin and a polypropylene, and articles thereof with enhanced mechanical properties.
• EVA elastomeric ethylene vinyl acetate
• Such articles may possess thermoplastic and elastomeric properties, including increased hardness with appropriate tensile modulus and improved chemical properties for enhanced performance of articles thereof.
• Some embodiments are especially suited for use in high performance aerodynamic deflectors and air dams, in the automotive industry.
• Polymer compositions may be formulated with polypropylene in specific to provide articles produced therefrom with the requisite physical properties for their intended use.
• articles that are intended to be for the automotive market may exhibit, among others, the following characteristics: adequate hardness, impact strength, flexibility, tensile modulus, and additionally for specific applications, improved chemical properties.
• Biobased polypropylenes in accordance with the present disclosure may include a polypropylene having a biobased content at a percent by weight (wt%) in a range having a lower limit selected from any of 0.05 wt%, 0.1 wt%, 1 wt%, and 5 wt%, to an upper limit selected from any of 50%, 90%, and 100%, where any lower limit may be combined with any upper limit.
• wt% percent by weight
• EVA copolymers in accordance with the present disclosure may include a percent by weight (wt%) of vinyl acetate according to ASTM D5594 that ranges from a lower limit of about 2 wt% to an upper limit of about 50 wt% of the EVA copolymer.
• the amount of vinyl acetate may be of the range 5-40 wt% of the EVA copolymer.
• the lower limit may range from 2, 5, 8, 10, 12, 15, or 20 wt%
• the upper limit may range from 20, 25, 30, 35, 40, 45 or 50 wt% of the EVA copolymer, where any lower limit may be used in combination with any upper limit.
• Elastomeric EVA compositions in accordance with the present disclosure may contain an EVA copolymer at a percent by weight (wt%) of the elastomeric EVA composition that ranges from a lower limit of 20 wt%, 30wt%, 40 wt% or 50 wt%, to an upper limit of 60 wt%, 70 wt%, 80 wt% or 90 wt%, where any lower limit may be paired with any upper limit.
• wt% percent by weight
• Elastomeric EVA compositions in accordance with the present disclosure may incorporate a polyorganosiloxane.
• suitable polyorganosiloxanes include a linear chain, branched, or three-dimensional structure, wherein the side groups can include one or more of methyl, ethyl, propyl groups, vinyl, phenyl, hydrogen, amino, epoxy, or halogen substituents.
• the terminal groups of the polyorganosiloxane may include hydroxyl groups, alkoxy groups, trimethylsilyl, dimethyldiphenylsilyl, and the like.
• Polyorganosiloxanes in accordance with the present disclosure may include one or more of dimethylpolysiloxane, methylpolysiloxane, and the like.
• Elastomeric EVA compositions in accordance with the present disclosure may contain a polyorganosiloxane at a percent by weight (wt%) of the elastomeric EVA composition that ranges from a lower limit of 0.1 wt% or 0.5 wt%, to an upper limit of 5 wt% or 10 wt%, where any lower limit may be paired with any upper limit
• Thermoplastic EVA compounded compositions in accordance with the present disclosure may include one or more inorganic fillers such as talc, glass fibers, marble dust, cement dust, clay, carbon black, feldspar, silica or glass, fumed silica, silicates, calcium silicate, silicic acid powder, glass microspheres, mica, metal oxide particles and nanoparticles such as magnesium oxide, antimony oxide, zinc oxide, inorganic salt particles and nanoparticles such as barium sulfate, wollastonite, alumina, aluminum silicate, titanium oxides, calcium carbonate, polyhedral oligomeric silsesquioxane (POSS).
• inorganic fillers such as talc, glass fibers, marble dust, cement dust, clay, carbon black, feldspar, silica or glass, fumed silica, silicates, calcium silicate, silicic acid powder, glass microspheres, mica, metal oxide particles and nanoparticles such as magnesium oxide, antimony oxide, zinc
• thermoplastic EVA compounded compositions may contain an amount of filler ranging from a lower limit of any of 5, 6, or 8 wt% to an upper limit of any of 8, 10, or 12 wt%, where any lower limit may be used in combination with any upper limit.
• a component such as carbon black may be selected for use as both a filler and an anti-UV agent. If a different filler is used that does not have the same anti-UV effect as carbon black, it is understood that it also may be desirable to incorporate one or more of the anti-UV additives described above.
• Thermoplastic EVA compounded compositions in accordance with the present disclosure may have a melt flow index (MFI) at 190 °C and 2.16 kg as determined according to ASTM D 1238 in a range having a lower limit selected from any one of 2, 3, 4, and 5 g/lOmin, to an upper limit selected from any one of 9, 10, 11, and 12 g/lOmin, where any lower limit may be combined with any upper limit.
• MFI melt flow index
• Thermoplastic EVA compounded compositions in accordance with the present disclosure may have a Tensile Elongation at Break (1% Secant) as determined according to ASTM D638 in a range having a lower limit selected from any one of 300%, 500% or 600%, to an upper limit selected from any one of 800%, 1000% or 1400%, where any lower limit may be combined with any upper.
• the article is an injection molded article, a thermoformed article, a foam, a compressed article, a coextruded article, a laminated article, a rotomolded article, an extruded article, monolayer articles, multilayer articles, and the like.
• a multilayer article it is envisioned that at least one of the layers comprises the polymer composition of the present disclosure.

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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)
• Processes Of Treating Macromolecular Substances (AREA)
• Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
• Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

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• 2019
  • 2019-11-13 JP JP2021525811A patent/JP2022507313A/ja active Pending
  • 2019-11-13 BR BR112021009216-1A patent/BR112021009216A2/pt unknown
  • 2019-11-13 KR KR1020217018102A patent/KR20210099589A/ko not_active Application Discontinuation
  • 2019-11-13 EP EP19823990.7A patent/EP3880752A1/en active Pending
  • 2019-11-13 WO PCT/IB2019/026292 patent/WO2020099939A1/en unknown
  • 2019-11-14 AR ARP190103346A patent/AR117076A1/es active IP Right Grant

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