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US 5,273,706 AGranted
Blow molding of thermoplastic polymeric compositions containing a fluorinated olefin
AssigneeThe Dow Chemical Company
InventorMichael K. Laughner
Life of this patent
Estimating the term…
Abstract
A process of blow molding, and compositions useful in the process. Articles weighing more than five pounds are blow molded from preforms weighing more than ten pounds formed from compositions containing thermoplastic polymeric material, a fluorinated olefinic polymer or copolymer and, optionally, an elastomeric impact modifier.
Claims71
A method of blow molding a contoured automotive part which weighs more than five pounds, comprising
- (a) providing a composition which consists essentially of a mixture of
- (i) one or more of the members of the group consisting of polyamide;
- polyester;
- poly(methyl methacrylate);
- polyolefin homopolymer;
- poly(phenylene ether);
- polystyrene;
- polyurethane;
- acrylonitrile/butadiene/styrene copolymer;
- acrylonitrile/EPDM/styrene copolymer where EPDM is ethylene/propylene/diene rubber;
- acrylonitrile/styrene/alkyl acrylate copolymer;
- ethylene/carbon monoxide copolymer;
- styrene/acrylonitrile copolymer;
- and a blend of (A) poly(phenylene ether), (B) polystyrene, and (C) a vinyl aromatic/conjugated diene di- or tri-block copolymer;
- (ii) a fluorinated olefinic polymer or copolymer which is present in a melt strength increasing amount of about 0.001 percent to about 5 percent of said composition by weight;
- and
- (iii) one or more additives selected from the group consisting of fillers, thermal stabilizers, dyes, flame retarding agents, reinforcing agents, softeners, mold-release agents, seed-forming agents, pigments, plasticizers, antistatic agents, ultra violet light absorbers, lubricants and compatibilizers;
- (b) extrusion melt processing said composition into a hollow preform which weighs more than ten pounds, wherein the melt strength of said hollow preform is increased by the presence of said fluorinated olefinic polymer or copolymer;
- and
- (c) blow molding said automotive component which weighs more than five pounds from said hollow preform.
17 more elements
A method of blow molding a contoured automotive part which weighs more than five pounds, comprising
- (a) providing a composition which consists essentially of a mixture of
- (i) one or more of the members of the group consisting of polyacetal;
- polyacrylamide;
- polyacrylate, polyacrylonitrile, polyalkenamer (polyalkenylene);
- polyaminotriazole;
- polyarylate;
- poly(arylene sulfide);
- azo polymers;
- polybenzimidazole;
- polyetheretherketone;
- poly(ethylene oxide);
- polyhydrazide;
- polyimidazole;
- polyimide;
- polyisocyanide;
- polyketone;
- polyphosphazine;
- poly(propylene oxide);
- polyquinoxaline;
- polysilane;
- polysiloxane;
- polysulfone;
- polyurea;
- poly(vinyl acetate);
- poly(vinyl alcohol);
- poly(vinyl amide);
- poly(vinyl chloride);
- poly(vinyl ether);
- vinyl acetate copolymer;
- vinyl alcohol copolymer;
- vinyl amide copolymer;
- vinyl chloride copolymer;
- vinyl ether copolymer;
- co-polyester/carbonate;
- ethylene vinyl acetate copolymer;
- methyl methacrylate/butadiene/styrene/acrylonitrile copolymer;
- phenyl maleimide/acrylonitrile/butadiene/styrene copolymer;
- polycarbonate formed from more than one dihydroxy compound;
- polyester formed from more than one diol and/or more than one diacid;
- a blend of polyphenylene ether, polyamide and a vinyl aromatic/conjugated di- or tri-block copolymer;
- and styrene/maleic anhydride copolymer;
- and
- (ii) a fluorinated olefinic polymer or copolymer which is present in a melt strength increasing amount of about 0.001 percent to about 5 percent of said composition by weight;
- and
- (b) extrusion melt processing said composition into a hollow preform which weighs more than ten pounds, wherein the melt strength of said hollow preform is increased by the presence of said fluorinated olefinic polymer or copolymer;
- and
- (c) blow molding said automotive component which weighs more than five pounds from said hollow preform.
44 more elements
A method of blow molding a contoured automotive part which weighs more than five pounds, comprising
- (a) providing a composition which consists essentially of a mixture of
- (i) one or more of the members of the group consisting of polyamide;
- polyester;
- poly(methyl methacrylate);
- polyolefin homopolymer;
- poly(phenylene ether);
- polystyrene;
- polyurethane;
- acrylonitrile/butadiene/styrene copolymer;
- acrylonitrile/EPDM/styrene copolymer where EPDM is ethylene/propylene/diene rubber;
- acrylonitrile/styrene/alkyl acrylate copolymer;
- ethylene/carbon monoxide copolymer;
- styrene/acrylonitrile copolymer;
- and a blend of (A) poly(phenylene ether), (B) polystyrene, and (C) a vinyl aromatic/conjugated diene di- or tri-block copolymer;
- (ii) one or more of the members of the group consisting of polyacetal;
- polyacrylamide;
- polyacrylate, polyacrylonitrile, polyalkenamer (polyalkenylene);
- polyaminotriazole;
- polyarylate;
- poly(arylene sulfide);
- azo polymers;
- polybenzimidazole;
- polyetheretherketone;
- poly(ethylene oxide);
- polyhydrazide;
- polyimidazole;
- polyimide;
- polyisocyanide;
- polyketone;
- polyphosphazine;
- poly(propylene oxide);
- polyquinoxaline;
- polysilane;
- polysiloxane;
- polysulfone;
- polyurea;
- poly(vinyl acetate);
- poly(vinyl alcohol);
- poly(vinyl amide);
- poly(vinyl chloride);
- poly(vinyl ether);
- vinyl acetate copolymer;
- vinyl alcohol copolymer;
- vinyl amide copolymer;
- vinyl chloride copolymer;
- vinyl ether copolymer;
- co-polyester/carbonate;
- ethylene vinyl acetate copolymer;
- methyl methacrylate/butadiene/styrene/acrylonitrile copolymer;
- phenyl maleimide/acrylonitrile/butadiene/styrene copolymer;
- polycarbonate formed from more than one dihydroxy compound;
- polyester formed from more than one diol and/or more than one diacid;
- a blend of polyphenylene ether, polyamide and a vinyl aromatic/conjugated di- or tri-block copolymer;
- and styrene/maleic anhydride copolymer;
- and
- (iii) a fluorinated olefinic polymer or copolymer which is present in a melt strength increasing amount of about 0.001 percent to about 5 percent of said composition by weight;
- (b) extrusion melt processing said composition into a hollow preform which weighs more than ten pounds, wherein the melt strength of said hollow preform is increased by the presence of said fluorinated olefinic polymer or copolymer;
- and
- (c) blow molding said automotive component which weighs more than five pounds from said hollow preform.
56 more elements
A method of blow molding a contoured automotive part which weighs more than five pounds, comprising
- (a) providing a composition which consists essentially of a mixture of
- (i) one or more copolymers prepared from one or more members of the group of monomers consisting of a C.sub.1 -C.sub.12 alkyl acrylate or methacrylate;
- acrylamide or methacrylamide, a vinyl aromatic compound;
- a vinyl nitrile compound;
- a C.sub.4 -C.sub.12 diene;
- a C.sub.2 -C.sub.12 homoolefin or halogen substituted homoolefin;
- a C.sub.1 -C.sub.12 dialkyl maleate, fumarate or itaconate;
- a C.sub.1 -C.sub.10 alkyl or a C.sub.6 -C.sub.12 aryl maleimide;
- vinyl acetate;
- vinyl benzoate;
- vinyl carbazole;
- vinyl cyanide;
- vinyl pyridine;
- a C.sub.8 -C.sub.16 alkyl vinyl ether;
- allyl acetate;
- a C.sub.1 -C.sub.12 alkyl vinyl ketone or sulfone;
- and an oxazoline compound;
- and
- (ii) a fluorinated olefinic polymer or copolymer which is present in a melt strength increasing amount of about 0.001 percent to about 5 percent of said composition by weight;
- (b) extrusion melt processing said composition into a hollow preform which weighs more than ten pounds, wherein the melt strength of said hollow preform is increased by the presence of said fluorinated olefinic polymer or copolymer;
- and
- (c) blow molding said automotive component which weighs more than five pounds from said hollow preform.
19 more elements
A method of blow molding a contoured automotive part which weighs more than five pounds, comprising
- (a) providing a composition which consists essentially of a mixture of
- (i) one or more of the members of the group consisting of polyamide;
- polyester;
- poly(methyl methacrylate);
- polyolefin homopolymer;
- poly(phenylene ether);
- polystyrene;
- polyurethane;
- acrylonitrile/EPDM/styrene copolymer where EPDM is ethylene/propylene/diene rubber;
- ethylene/carbon monoxide copolymer;
- ethylene/carbon monoxide copolymer grafted with one or more vinyl monomers;
- polyacetal;
- polyacrylamide;
- polyacrylate;
- polyacrylonitrile;
- polyalkenamer (polyalkenylene);
- polyaminotriazole;
- polyacrylate;
- poly(arylene sulfide);
- azo polymers;
- polybenzimidazole;
- polyetheretherketone;
- poly(ethylene oxide);
- polyhydrazide;
- polyimidazole;
- polyimide;
- polyisocyanide;
- polyketone;
- polyphosphazine;
- poly(propylene oxide);
- polyquinoxaline;
- polysilane;
- polysiloxane;
- polysulfone;
- polyurea;
- poly(vinyl acetate);
- poly(vinyl alcohol);
- poly(vinyl amide);
- poly(vinyl chloride);
- poly(vinyl ether);
- co-polyester/carbonate;
- ethylene/vinyl acetate copolymer;
- polycarbonate formed from more than one dihydroxy compound;
- and polyester formed from more than one diol and/or more than one diacid;
- (ii) one or more copolymers prepared from one or more members of the group of monomers consisting of a C.sub.1 -C.sub.12 alkyl acrylate or methacrylate;
- acrylamide or methacrylamide;
- a vinyl aromatic compound;
- a vinyl nitride compound;
- a C.sub.4 -C.sub.12 diene;
- a C.sub.2 -C.sub.12 homoolefin or halogen substituted homoolefin;
- a C.sub.1 -C.sub.12 dialkyl maleate, fumarate or itaconate;
- a C.sub.1 -C.sub.10 alkyl or a C.sub.6 -C.sub.12 aryl maleimide;
- vinyl acetate;
- vinyl benzoate;
- vinyl carbazole;
- vinyl cyanide;
- vinyl pyridine;
- a C.sub.8 -C.sub.16 alkyl vinyl ether;
- allyl acetate;
- a C.sub.1 -C.sub.12 alkyl vinyl ketone or sulfone;
- and an oxazoline compound;
- and
- (iii) a fluorinated olefinic polymer or copolymer which is present in a melt strength increasing amount of about 0.001 percent to about 5 percent of said composition by weight;
- (b) extrusion melt processing said composition into a hollow preform which weighs more than ten pounds, wherein the melt strength of said hollow preform is increased by the presence of said fluorinated olefinic polymer or copolymer;
- and
- (c) blow molding said automotive component which weighs more than five pounds from said hollow preform.
63 more elements
A method of blow molding a contoured automotive part which weighs more than five pounds, comprising
- (a) providing a composition which comprises a mixture of
- (i) one or more of the members of the group polymers and copolymers consisting of polyamide;
- polyester;
- poly(methyl methacrylate);
- polyolefin homopolymer;
- poly(phenylene ether);
- polystyrene;
- polyurethane;
- acrylonitrile/EPDM/styrene copolymer where EPDM is ethylene/propylene/diene rubber;
- ethylene/carbon monoxide copolymer;
- ethylene/carbon monoxide copolymer grafted with one or more vinyl monomers;
- polyacetal;
- polyacrylamide;
- polyacrylate;
- polyacrylonitrile;
- polyalkenamer (polyalkenylene);
- polyaminotriazole;
- polyacrylate;
- poly(arylene sulfide);
- azo polymers;
- polybenzimidazole;
- polyetheretherketone;
- poly(ethylene oxide);
- polyhydrazide;
- polyimidazole;
- polyimide;
- polyisocyanide;
- polyketone;
- polyphosphazine;
- poly(propylene oxide);
- polyquinoxaline;
- polysilane;
- polysiloxane;
- polysulfone;
- polyurea;
- poly(vinyl acetate);
- poly(vinyl alcohol);
- poly(vinyl amide);
- poly(vinyl chloride);
- poly(vinyl ether);
- co-polyester/carbonate;
- ethylene/vinyl acetate copolymer;
- polycarbonate formed from more than one dihydroxy compound;
- and polyester formed from more than one diol and/or more than one diacid;
- and
- (ii) a fluorinated olefinic polymer of copolymer which is present is a melt strength increasing amount of about 0.001 percent to about 5 percent of said composition by weight;
- the polymers and copolymers of said composition not including any reactive species which would cause cross-linking or chemical bonding of any of said polymers or copolymers with each other;
- (b) extrusion melt processing said composition into a hollow preform which weighs more than ten pounds, wherein the melt strength of said hollow preform is increased by the presence of said fluorinated olefinic polymer or copolymer;
- and
- (c) blow molding said automotive component which weighs more than five pounds from said hollow preform.
47 more elements
A method of blow molding a contoured automotive component which weighs more than five pounds, comprising
- (a) providing a composition which comprises
- (i) non-carbonate thermoplastic polymeric material;
- and
- (ii) a non-fibril forming fluorinated olefinic polymer of copolymer which is present in a melt strength increasing amount of about 0.001 percent to about 5 percent of said composition by weight;
- (b) extrusion melt processing said composition into a hollow preform which weighs more than ten pounds, wherein the melt strength of said hollow preform is increased by the presence of said non-fibril forming fluorinated olefinic polymer or copolymer;
- and
- (c) blow molding said automotive component which weighs more than five pounds from said hollow preform.
4 more elements
A method of blow molding a contoured automotive component which weighs more than five pounds, comprising
- (a) providing a composition which comprises
- (i) thermoplastic polymeric material;
- and
- (ii) one or more fibril forming or non-fibril-forming fluorinated olefinic polymers or copolymer selected from the group consisting of fluorinated ethylene/propylene copolymers, perfluoroalkyoxy fluorocarbons, and ethylene/tetrafluoroethylene copolymers, which is present in a melt strength increasing amount of about 0.001 percent to about 5 percent of said composition by weight;
- (b) extrusion melt processing said composition into a hollow preform which weighs more than ten pounds, wherein the melt strength of said hollow preform is increased by the presence of said non-fibril forming fluorinated olefinic polymer or copolymer;
- and
- (c) blow molding said automotive component which weighs more than five pounds from said hollow preform.
4 more elements
Dependencies are inferred from the claim text.