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EP2726378A1 - Bouteille de haute résistance - Google Patents

Bouteille de haute résistance

Info

Publication number
EP2726378A1
EP2726378A1 EP12724471.3A EP12724471A EP2726378A1 EP 2726378 A1 EP2726378 A1 EP 2726378A1 EP 12724471 A EP12724471 A EP 12724471A EP 2726378 A1 EP2726378 A1 EP 2726378A1
Authority
EP
European Patent Office
Prior art keywords
bottle
inches
panel
handle
degrees
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP12724471.3A
Other languages
German (de)
English (en)
Other versions
EP2726378B1 (fr
Inventor
William Joseph Burgess
Thomas Joseph Pecorini
Cedric Perben
Calvin James BECKER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Chemical Co
Original Assignee
Eastman Chemical Co
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 Eastman Chemical Co filed Critical Eastman Chemical Co
Publication of EP2726378A1 publication Critical patent/EP2726378A1/fr
Application granted granted Critical
Publication of EP2726378B1 publication Critical patent/EP2726378B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/10—Handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023—Neck construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/0261—Bottom construction

Definitions

  • the present invention is directed to bottles having handles. More particularly, the present invention is directed to large capacity bottles having handles and being suitable for use in liquid dispensers, such as water coolers.
  • BPA-based polycarbonates have long been used to produce various types of food and beverage containers.
  • BPA-based polycarbonates may have negative health effects
  • an emphasis has recently been placed on producing containers that are "BPA-free.”
  • the container industry has focused on the production of beverage bottles, where leaching of BPA into the beverage has been a concern due to the prolonged exposure of the beverage to the BPA-based polycarbonate.
  • most of the bottle industry's BPA-free focus has been on smaller bottles with a capacity of less than one liter.
  • BPA-free bottles having a large capacity (e.g., at least 2.5 gallons) that are sufficiently designed to exhibit the desired characteristics (e.g., strength, toughness, chemical resistance, heat resistance, and/or clarity) sought in large capacity bottles.
  • One embodiment of this invention is directed to a bottle comprising an outlet at a first end of the bottle, a base at a second end of the bottle, and a main body located between the outlet and base.
  • a central longitudinal axis extends in a longitudinal direction between the first and second ends of the bottle.
  • the main body of the bottle comprises a well panel and an integrally-formed handle.
  • the well panel at least partly defines a recessed well and the handle spans at least a portion of the recessed well.
  • the outer surface of the well panel defines a concave longitudinal panel curve along a longitudinal reference plane, which contains the longitudinal axis and extends through the centroid of the well panel.
  • the outer surface of the well panel defines a convex transverse panel curve along a transverse reference plane that extends through the centroid of the well panel and is oriented such that the longitudinal axis is normal to the transverse reference plane.
  • Another embodiment of the invention is directed to a substantially BPA-free bottle comprising an outlet at a first end of the bottle, a base at a second end of the bottle, and a main body located between the outlet and base.
  • the bottle defines a central longitudinal axis extending in a longitudinal direction between the first and second ends of the bottle.
  • the main body comprises a well panel and a handle, wherein the well panel at least partly defines a recessed well and the handle spans at least a portion of the recessed well.
  • the bottle comprises a synthetic polymeric material that makes up at least 90 percent of the total weight of the bottle. Additionally, the synthetic polymeric material comprises less than 1 weight percent of bisphenol A polycarbonate.
  • the bottle has a liquid holding capacity of at least 2.5 gallons and a weight of at least 600 grams and not more than 900 grams.
  • the bottle has a drop impact resistance of at least 3 feet as measured by ASTMD 2463-95.
  • FIG. 1 is a side view of a bottle configured in accordance with one embodiment of the present invention, particularly illustrating the bottle as including a well and a handle spanning the well;
  • FIG. 2 is a back view of the bottle rotated 90° from the view depicted in FIG. 1 ;
  • FIG. 3 is an isometric bottom view of the bottle depicted in FIG. 1 ;
  • FIG. 4 is a side view of the bottle of FIG. 1 , with the handle being removed to more clearly show the well panel of the bottle;
  • FIG. 5 is a cross-sectional view of the bottle taken along line 5-5 in FIG. 1 , particularly illustrating the transverse (horizontal) curvature of the well panel;
  • FIG. 6 is a partial side view of the handle and well panel of the bottle, particularly illustrating the longitudinal (vertical) curvatures of the well panel and the handle;
  • FIG. 7 is a bottom view of the base of the bottle
  • FIG. 8 is a partial cross-sectional side view of the base of the bottle, particularly illustrating the radii of curvature of the chime and push-up;
  • FIG. 9 is partial, top, isometric view of the base of the bottle, particularly illustrating the recessed tunnels and the weld;
  • FIG. 10 is a partial, bottom, isometric view of the base of the bottle, particularly illustrating the recessed tunnels and the weld.
  • the present invention is directed to a large bottle having enhanced strength properties such as, for example, drop impact resistance.
  • Such bottles may be suitable for use in liquid dispensers such as water coolers.
  • the bottle can have a liquid holding capacity of at least 2.5, 4.0, 4.5, or 4.75 gallons and/or not more than 10, 8, 6, or 5.5 gallons. In one embodiment, the bottle can have a liquid holding capacity of about 5 gallons. Furthermore, the bottle can have a weight of at least 600, 650, 700, or 725 grams and/or not more than 900, 850, 800, or 775 grams. To ensure that the bottle can fit into a standard liquid dispenser, the bottle can have a maximum diameter of at least 6, 8, or 10 inches and/or not more than 18, 14, or 12 inches.
  • the strength of the bottle can be measured in terms of drop impact resistance.
  • the bottle can have a drop impact resistance of at least 3, 4, or 5 feet as measured by ASTM D 2463-95.
  • the enhanced strength of the bottle can be at least partly derived from its physical design. To further illustrate the physical design of the bottle, various features of the bottle are described in detail below with reference to the drawing figures.
  • the bottle 20 comprises an outlet 22 at a first end 24 of the bottle 20, a base 26 at a second end 28 of the bottle 20, and a main body 30 located between the outlet 22 and the base 26.
  • the main body 30 comprises a well panel 32 and an integrally-formed handle 34.
  • the well panel 32 at least partly defines a recessed well 36 and the handle 34 at least partially spans this recessed well 36.
  • the main body 30 may also include a first rib 38, a second rib 40, and a substantially cylindrical sidewall 42 disposed between the first rib 38 and second rib 40.
  • the main body 30 can also include a panel fillet 44 for joining the well panel 32 with the sidewall 42, as well as handle fillets 46 for joining the handle 34 to the well panel 32.
  • the panel fillet 44 can circumscribe the entire well panel 32.
  • the bottle 20 depicted in FIGS. 1 -3 also includes a neck 52, an expansion section 54, and a shoulder 56.
  • the neck 52 is located adjacent to the outlet 22
  • the shoulder 56 is located adjacent to the main body 30, and the expansion section 54 is located between the neck 52 and shoulder 56.
  • the expansion section 54 can have, for example, a generally frusto-conical shape.
  • FIG. 3 illustrates the central longitudinal axis 58 of the bottle 20.
  • the central longitudinal axis 58 extends in a longitudinal direction between the first end 24 and second end 28 of the bottle 20 and through the geometric center of the outlet 22 and the geometric center of the base 26.
  • the sidewall 42 can be centered on and can extend substantially parallel to the central longitudinal axis 58.
  • FIG. 4 depicts a side view of the bottle 20 (not showing the handle) focusing on the well panel 32 and showing reference planes (dashed lines) used to help describe the shape of the well panel 32.
  • FIG. 4 also shows that the expansion section 54 can form an angle (A1 ) of at least 20, 25, or 27.5 degrees and/or not more than 40, 35, or 30 degrees from a plane oriented such that the central longitudinal axis 58 is normal thereto.
  • FIG. 4 illustrates a longitudinal (vertical) reference plane 60 that contains the central longitudinal axis 58 and extends through a centroid 50 of the well panel 32. Further, FIG. 4 shows a transverse (horizontal) reference plane 61 that extends through the centroid 50 of the well panel 32 and is oriented such that the central longitudinal axis 58 is normal (perpendicular) to the transverse reference plane 61 .
  • the longitudinal and transverse reference planes 60, 61 will be discussed in more detail below with reference to FIGS. 5-10.
  • FIG. 5 shows that the handle 34 of the bottle 20 can be substantially hollow and in fluid communication with the interior of the bottle 20.
  • the handle 34 defines an open internal passageway 66 sized to permit a sphere having a diameter of at least 0.5, 0.75, 1 , or 1 .25 inches to pass entirely therethrough.
  • FIG. 5 also shows that the outer surface 62 of the well panel 32 can define a convex transverse panel curve 64 at the location where the well panel 32 is cut by the transverse reference plane 61 .
  • the transverse panel curve 64 can have a radius of curvature (R2) that is greater than the radius of curvature (R3) of the sidewall 42, measured at the location where the transverse reference plane 61 cuts through the bottle 20.
  • the ratio of the radius of curvature (R2) of the transverse panel curve 64 to the radius of curvature (R3) of the sidewall 42, as measured along the transverse reference plane 61 can be at least 2:1 , 3:1 , 4:1 , or 5:1 and/or not more than 20:1 , 15:1 , 10:1 , or 8:1 .
  • the radius of curvature (R2) of the transverse panel curve 64 can be at least 10, 20, or 25 inches and/or not more than 60, 50, or 40 inches.
  • the radius of curvature (R3) of the sidewall 42, as measured along the transverse reference plane 61 can be at least 2, 3.5, or 4.5 and/or not more than 10, 8, or 6 inches.
  • the transverse panel curve 64 can extend circumferentially through an angle (A2) of least 15, 25, or 30 degrees and/or not more than 90, 80, or 70 degrees. Additionally or alternatively, the transverse panel curve 64 can extend circumferentially through an angle (A3) of at least 90, 100, 1 10, or 120 degrees and not more than 180, 160, or 140 degrees, as measured relative to the central longitudinal axis 58.
  • the outer surface 62 of the well panel 32 can define a concave longitudinal panel curve 72 at the location where the well panel
  • the radius of curvature (R4) of the longitudinal panel curve 72 can be at least 1 , 2, or 3 inches and/or not more than 10, 6, or 4 inches. Additionally or alternatively, the longitudinal panel curve 72 can extend longitudinally through an angle (A4) of at least 100, 1 15, or 125 degrees and/or not more than 180, 160, or 145 degrees.
  • the concave longitudinal panel curve 72 and the convex transverse panel curve 64 can provide the outer surface 62 of the well panel 32 with the shape of a hyperbolic paraboloid.
  • the handle 34 can define first and second handle end points 68 and 69 located on the outermost opposite terminal ends of the handle 34. Furthermore, a handle orientation line 70 can be defined between the first and second handle end points 68.
  • the handle orientation line 70 can be either parallel to the central longitudinal axis 58 or skewed relative to the central longitudinal axis 58 by an angle of less than 20, 1 0, 5, or 1 degrees. Further, the handle orientation line 70 can be spaced inwardly (toward the central longitudinal axis 58) from the outer circumference 71 of the sidewall 42 by a distance of at least 0.1 , 0.25, or 0.5 inches.
  • FIG. 6 shows that the handle 34 can have a curved outer profile 74 extending between the first and second handle end points 68, 69.
  • the curved outer profile 74 of the handle 34 can have a radius of curvature (R5) of at least 4, 8, or 12 inches and/or not more than 30, 24, or 18 inches. Additionally or alternatively, the curved outer profile 74 of the handle 34 can extend longitudinally through an angle (A5) of at least 5, 10, 15 degrees and/or not more than 50, 40, 30 degrees.
  • the base 26 of the bottle 20 can comprise a pair of concave tunnel recesses 76. Additionally, the base 26 can comprise a weld 78 that extends along the transverse reference plane 61 and through the tunnel recesses 76 so as to prevent contact between the weld 78 and a planar supporting surface (not showns) on which the base 26 of the bottle 20 rests.
  • the base 26 can also include a footprint 80 for supporting the bottle 20 on a planar surface and a concave push-up 82 positioned radially inward from the footprint 80. As shown in FIG.
  • the push-up 82 can have a substantially circular outer perimeter 84 having a radius (R6) of at least 1 , 1 .5, or 1 .75 inches and/or not more than 5, 3, or 2.5 inches.
  • FIG. 8 clearly shows the concave nature of the push-up 82.
  • the push-up 82 can have a radius of curvature (R7) of at least 2, 4, or 6 inches and/or not more than 18, 12, or 8 inches. Additionally or alternatively, the push-up 82 can extend through an angle (A7) of at least 15, 20, or 27.5 degrees and/or not more than 50, 40, or 35 degrees.
  • the push-up 82 can have the general shape of a partial sphere (i.e., the top portion of a sphere).
  • the base 26 can further comprise a chime 86.
  • the chime 86 can have a radius of curvature (R8) of at least 1 , 1 .5, or 1 .75 inches and/or not more than 4, 3, or 2 inches.
  • the bottle of the present invention can be made from materials other than BPA-based polycarbonates.
  • substantially BPA-free refers to an article or material that contains less than 1 , 0.5, 0.1 , 0.05, or 0.01 weight percent of BPA- based polycarbonate.
  • the bottle can be at least partly formed from a substantially BPA-free synthetic polymeric material.
  • the synthetic polymeric material can make up at least 50, 75, 90, 95, or 100 percent of the total weight of the bottle.
  • the bottle of the present invention can be formed by blow molding the synthetic polymeric material into the desired configuration discussed in detail above.
  • the synthetic polymeric material used to make the bottle can have a flexural modulus of at least 100,000, 150,000, 200,000, or 215,000 psi and/or not more than 350,000, 300,000, 250,000, or 230,000 psi as measured by ASTM
  • the synthetic polymeric material can have a flexural yield strength of at least 5,000, 7,000, or 8,500 psi and/or not more than 12,000, 10,000, or 9,500 psi as measured by ASTM D790.
  • the synthetic polymeric material can have a tensile strength at yield of at least 4,000, 5,000, 6,000, 6,500, or 7,250 psi and/or not more than 10,000, 9,000, 8000, or 7,000 psi as measured by ASTM D638.
  • the synthetic polymeric material can have an impact strength of at least 8, 12,
  • the synthetic polymeric material can have a glass transition temperature of at least 90, 100, or 1 10 and/or not more than 140, 130, or 120°C as measured by ASTM E1640-09.
  • the synthetic polymeric material can have a melt viscosity of at least 1 ,000, 2,000, or 3,000 poise and/or not more than 20,000, 15,000, 12,000, 10,000, 8,000, or 6,000 poise as measured at 1 radian per second on a rotary melt rheometer at 290 °C.
  • the synthetic polymeric material can have an inherent viscosity of at least 0.4, 0.5, 0.6, 0.65, or 0.7 and/or not more than 1 .0, 0.9, 0.8, or 0.75, as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 grams per 100 milliliters at 25 °C.
  • the synthetic polymeric material can have a transmittance of at least 75, 85, or 88 percent as measured by ASTM D1003.
  • the synthetic polymeric material can have a haze of less than 5, 3, or 1 .5 percent as measured by ASTM D1003.
  • the synthetic polymeric material can be a polyester or copolyester.
  • the synthetic polymeric material can comprise glycol units derived from 2,2,4,4-tetramethyl-1 ,3-cyclobutanediol and/or 1 ,4-cyclohexanedimethanol.
  • the synthetic polymeric material can be a polyester having a dicarboxylic acid component and a glycol component, where the dicarboxylic component comprises at least 70, 80, 90, 95, or 100 mole percent of residues of terephthalic acid or an ester thereof (dimethyl terephthalate) and the glycol component comprises at least 10, 15, 20, 25, 30, 35 or 40 mole percent of 2,2,4,4-tetramethyl-1 ,3-cyclobutanediol residues and at least 90, 85, 80, 75, 70, 65 or 60 mole percent 1 ,4-cyclohexanedimethanol residues.
  • the dicarboxylic acid component of the polyesters useful in the invention comprises 70 to 100 mole % terephthalic acid residues and/or dimethyl terephthalate residues.
  • the glycol component for the polyesters useful in the bottle of the invention include but are not limited to at least one of the following combinations of ranges: 10 to 40 mole % 2,2,4,4- tetramethyl-1 ,3-cyclobutanediol residues and 60 to 90 mole % 1 ,4- cyclohexanedimethanol residues; 10 to 35 mole % 2, 2, 4,4-tetramethyl-1 ,3- cyclobutanediol residues and 65 to 90 mole % 1 ,4-cyclohexanedimethanol residues; and 10 to 30 mole % 2, 2, 4,4-tetramethyl-1 ,3-cyclobutanediol residues and 70 to 90 mole % 1 ,4-cyclohex
  • the polyester useful in the invention can have 70 to 100 mole percent terephthalic residues, 15 to 40 mole percent 2,2,4,4- tetra methyl-1 ,3-cyclobutanediol residues and 60 to 85 mole percent 1 ,4- cyclohexanedimethanol residues.
  • the polyester may contain residues of a branching agent.
  • All mole percentages of diacid residues or diol residues in the polyester useful in the invention are based on a total of 100 mole percent diacid residues and a total of 100 mole percent diol residues.
  • the polyesters useful in the invention may exhibit at least one of the following inherent viscosities as determined in 60/40 (wt/wt) phenol/ tetrachloroethane at a concentration of 0.5 g/100 ml at 25 Q C: 0.50 to 1 .0 dL/g; 0.50 to 0.75 dL/g; 0.50 to 0.68 dL/g; 0.60 to 0.75 dL/g; 0.60 to 0.68 dL/g; 0.65 to 1 .2 dl_/g; 0.65 to 1 dL/g; or 0.65 to 0.75 dl_/g.
  • the polyester useful in the invention can have 70 to 100 mole percent terephthalic residues, 15 to 40 mole percent 2,2,4,4- tetra methyl-1 ,3-cyclobutanediol residues and 60 to 85 mole percent 1 ,4- cyclohexanedimethanol residues.
  • the polyester may contain residues of a branching agent.
  • Modifying glycols useful in the polyesters useful in the invention refer to diols other than 2,2,4,4,-tetramethyl-1 ,3-cyclobutanediol and 1 ,4- cyclohexanedimethanol and may contain 2 to 16 carbon atoms.
  • Suitable modifying glycols include, but are not limited to, ethylene glycol, diethylene glycol, 1 ,2-propanediol, 1 ,3-propanediol, neopentyl glycol, 1 ,4- butanediol, 1 ,5-pentanediol, 1 ,6-hexanediol, p-xylene glycol or mixtures thereof.
  • the modifying glycol is ethylene glycol.
  • diethylene glycol 1 ,2-propanediol, 1 ,3-propanediol
  • neopentyl glycol 1 ,4- butanediol
  • 1 ,5-pentanediol 1 ,6-hexanediol
  • p-xylene glycol or mixtures thereof.
  • the modifying glycol is ethylene glycol.
  • ethylene glycol is excluded as a modifying diol.
  • the polyesters useful in the polyesters compositions of the invention can comprise from 0 to 10 mole percent, for example, from 0.01 to 5 mole percent, from 0.01 to 1 mole percent, from 0.05 to 5 mole percent, from 0.05 to 1 mole percent, or from 0.1 to 0.7 mole percent, or 0.1 to 0.5 mole percent, based the total mole percentages of either the diol or diacid residues; respectively, of one or more residues of a branching monomer, also referred to herein as a branching agent, having 3 or more carboxyl substituents, hydroxyl substituents, or a combination thereof.
  • the branching monomer or agent may be added prior to and/or during and/or after the polymerization of the polyester.
  • the polyester(s) useful in the invention can thus be linear or branched.
  • branching monomers include, but are not limited to, multifunctional acids or multifunctional alcohols such as trimellitic acid, trimellitic anhydride, pyromellitic dianhydride, trimethylolpropane, glycerol, pentaerythritol, citric acid, tartaric acid, 3-hydroxyglutaric acid and the like.
  • multifunctional acids or multifunctional alcohols such as trimellitic acid, trimellitic anhydride, pyromellitic dianhydride, trimethylolpropane, glycerol, pentaerythritol, citric acid, tartaric acid, 3-hydroxyglutaric acid and the like.
  • the branching monomer residues can comprise 0.1 to 0.7 mole percent of one or more residues chosen from at least one of the following: trimellitic anhydride, pyromellitic dianhydride, glycerol, sorbitol, 1 ,2,6-hexanetriol, pentaerythritol, trimethylolethane, and/or trimesic acid.
  • the synthetic polymeric material can comprise TRITANTM WX500 or TRITANTM WX510, commercially available from Eastman Chemical Company of Kingsport, TN.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

L'invention porte sur une bouteille ayant une résistance améliorée. La bouteille peut avoir une capacité de contenance de liquide d'au moins 2,5 gallons, et peut présenter une résistance à l'impact de chute d'au moins 3 pieds, mesurée par la norme ASTMD 2463-95. La bouteille peut être formée à partir d'un matériau sensiblement sans bisphénol A. La bouteille peut être utilisée dans des distributeurs de liquide, tels que des refroidisseurs d'eau.
EP12724471.3A 2011-06-01 2012-05-17 Bouteille de haute résistance Active EP2726378B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/150,363 US20120305575A1 (en) 2011-06-01 2011-06-01 High strength bottle
PCT/US2012/038314 WO2012166376A1 (fr) 2011-06-01 2012-05-17 Bouteille de haute résistance

Publications (2)

Publication Number Publication Date
EP2726378A1 true EP2726378A1 (fr) 2014-05-07
EP2726378B1 EP2726378B1 (fr) 2017-02-01

Family

ID=46178813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12724471.3A Active EP2726378B1 (fr) 2011-06-01 2012-05-17 Bouteille de haute résistance

Country Status (6)

Country Link
US (1) US20120305575A1 (fr)
EP (1) EP2726378B1 (fr)
JP (1) JP2014519454A (fr)
KR (1) KR20140034873A (fr)
CN (2) CN103562076B (fr)
WO (1) WO2012166376A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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WO2012166376A1 (fr) 2012-12-06
CN103562076B (zh) 2016-05-25
US20120305575A1 (en) 2012-12-06
KR20140034873A (ko) 2014-03-20
CN105857815A (zh) 2016-08-17
JP2014519454A (ja) 2014-08-14
EP2726378B1 (fr) 2017-02-01
CN103562076A (zh) 2014-02-05

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