US20050004315A1 - Screw cap composition - Google Patents

Screw cap composition Download PDF

Info

Publication number
US20050004315A1
US20050004315A1 US10/494,731 US49473104A US2005004315A1 US 20050004315 A1 US20050004315 A1 US 20050004315A1 US 49473104 A US49473104 A US 49473104A US 2005004315 A1 US2005004315 A1 US 2005004315A1
Authority
US
United States
Prior art keywords
ethylene polymer
screw cap
multimodal ethylene
melt flow
cap according
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.)
Abandoned
Application number
US10/494,731
Other languages
English (en)
Inventor
Guy De Cambry De Baudimont
Pascal Vanden Berghe
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.)
Ineos Manufacturing Belgium NV
Original Assignee
Solvay Polyolefins Europe Belgium SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8181273&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20050004315(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Solvay Polyolefins Europe Belgium SA filed Critical Solvay Polyolefins Europe Belgium SA
Priority to US10/975,369 priority Critical patent/US20050096434A1/en
Priority to US10/975,364 priority patent/US20050113523A1/en
Assigned to SOLVAY POLYOLEFINS EUROPE - BELGIUM (S.A.) reassignment SOLVAY POLYOLEFINS EUROPE - BELGIUM (S.A.) ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: VANDEN BERGHE, PASCAL, DE CAMBRY DE BAUDIMONT, GUY
Publication of US20050004315A1 publication Critical patent/US20050004315A1/en
Assigned to BP HIGH DENSITY POLYETHYLENE BELGIUM NV reassignment BP HIGH DENSITY POLYETHYLENE BELGIUM NV CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: SOLVAY POLYOFINS EUROPE-BELGIUM SA
Assigned to INNOVENE MANUFACTURING BELGIUM NV reassignment INNOVENE MANUFACTURING BELGIUM NV CHANGE OF NAME WITH ENGLISH TRANSLATION Assignors: O & D BELGIUM NV
Assigned to O & D BELGIUM NV reassignment O & D BELGIUM NV MERGER (SEE DOCUMENT FOR DETAILS). Assignors: BP HIGH DENSITY POLYETHYLENE BELGIUM NV
Priority to US11/889,853 priority patent/US20080139745A1/en
Priority to US11/889,854 priority patent/US20080139751A1/en
Priority to US12/385,343 priority patent/US7750083B2/en
Priority to US12/385,342 priority patent/US7750082B2/en
Abandoned legal-status Critical Current

Links

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
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • 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
    • C08L23/06—Polyethene
    • 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
    • C08L2201/00—Properties
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

Definitions

  • the present invention relates to screw caps comprising a composition based on multimodal ethylene polymer. It also relates to a process for manufacturing said caps and their use for the closure of bottles, in particular bottles containing foodstuffs, and more particularly fizzy drinks.
  • screw caps comprising a composition based on multimodal ethylene polymer which do not possess the above-mentioned drawbacks.
  • the present invention relates to screw caps comprising a composition based on a multimodal ethylene polymer having a standard density (SD) greater than 950 kg/m 3 and a melt flow index MI 2 of less than 10 g/10 min, said multimodal ethylene polymer comprising
  • screw caps is meant screw caps possessing a threaded closure. In most cases, said screw caps are provided with a tear strip.
  • multimodal ethylene polymer is meant an ethylene polymer comprising at least two fractions having different melt flow indices (MI 2 ) so that it possesses a broad or multimodal molecular weight distribution.
  • the multimodal ethylene polymer used in the present invention has generally a standard density (SD) which does not exceed 965 kg/m 3 .
  • SD standard density
  • the SD is measured according to the standard ISO 1183-3 (1999).
  • the SD preferably does not exceed 960 kg/r 3 , more particularly not 958 kg/m 3 .
  • the SD is preferably at least 951 kg/m 3 .
  • the multimodal ethylene polymer used in the present invention preferably possesses a melt flow index (MI 2 ) measured at 190° C. under a load of 2.16 kg according to the standard ASTM D 1238 (1998) of less than 4 g/10 min. MI 2 values of less than 2 g/10 min are particularly preferred.
  • the melt flow index MI 2 is, in general, at least 0.5 g/10 min, and may be at least 0.8 g/10 min; values of at least 1.2 g/10 min being particularly recommended. Melt flow indices of 1.4 to 1.8 g/10 min are very particularly preferred.
  • the fraction of ethylene polymer (A) in the multimodal ethylene polymer is preferably at least 40%, more particularly at least 45% by weight compared with the total weight of the multimodal ethylene polymer.
  • the fraction of ethylene polymer (A) preferably does not exceed 60 wt % , more particularly it does not exceed 55 wt % compared with the total weight of the multimodal ethylene polymer. Good results were obtained with a fraction of ethylene polymer (A) of 48 to 52 wt % compared with the total weight of the multimodal ethylene polymer.
  • the fraction of ethylene copolymer (B) in the multimodal ethylene polymer is preferably at least 40%, more particularly at least 45 wt % by weight compared with the total weight of the multimodal ethylene polymer.
  • the fraction of ethylene copolymer (B) preferably does not exceed 60 wt %, more particulary not 55 wt % compared with the total weight of the multimodal ethylene polymer. Fractions of ethylene copolymer (B) of 48 to 52 wt % compared with the total weight of the multimodal ethylene polymer have given good results.
  • composition used in the present invention generally contains at least 95%, preferably at least 98% by weight of the whole of the polymer (A) and the copolymer (B). Most particularly preferred is a composition consisting mainly of the polymer (A) and the copolymer (B).
  • the polymer (A) is an ethylene homopolymer.
  • ethylene homopolymer (A) an ethylene polymer consisting mainly of monomer units of ethylene and substantially devoid of monomer units derived from other olefins.
  • ethylene copolymer with one or more alpha-olefins containing from 3 to 12 atoms of carbons is taken to mean a copolymer comprising monomer units derived from ethylene and monomer units derived from at least one alpha-olefin containing from 3 to 12 atoms of carbon.
  • the alpha-olefin may be selected from among olefinically unsaturated monomers such as butene-1, pentene-1, hexene-1, octene-1. butene-1 is particularly preferred.
  • the content of alpha-olefin in the copolymer (B) is with advantage at least equal to 0.2 molar %, in particular at least equal to 0.3 molar %.
  • the content of alpha-olefin in the copolymer (B) is preferably at most equal to 4 molar %, more precisely at most equal to 3 molar %. Particularly good results are obtained with alpha-olefin contents in the copolymer (B) of 0.5 to 2 molar %.
  • the SD of the polymer (A) is preferably at least 968 kg/m 3 , more particularly at least 970 kg/m 3 .
  • the polymer (A) is characterised by a value of MI 2 (A) of at least 30 g/10 min, more particularly at least 50 g/10 min.
  • the value of MI 2 (A) does not exceed 500 g/10 min, values of less than 400 g/10 min being particularly preferred.
  • copolymer (B) is characterised by a value of MI 2 (B) of at least 0.03 g/10 min, more particularly of at least 0.06 g/10 min. There is preferred most particularly a value of MI 2 (B) of at least 0.08 g/10 min. Preferably, the value of MI 2 (B) does not exceed 2 g/10 min values of at most 1 g/10 min being particularly preferred. There is preferred most particularly an MI 2 (B) value of at most 0.8 g/10 min, more preferably no more than 0.5 g/10 min. Melt flow indices MI 2 (B) of 0.08 to 0.8 g/10 min have given good results.
  • the multimodal ethylene polymer used in the present invention may be obtained by any suitable technique. It is possible, for example, to perform the mixing of the polymer (A) and the copolymer (B) by any known process such as, for example, the molten mixing of the two preformed polymers. Preferred, however, are processes in the course of which the polymer (A) and the copolymer (B) are prepared in at least two successive polymerisation stages. In general, first of all the preparation of the polymer (A) is performed and then the preparation of the copolymer (B) in the presence of the polymer (A) obtained from the first polymerisation stage.
  • the polymerisation stages may each be carried out, independently of one another, in suspension in an inert hydrocarbon diluent or in gaseous phase.
  • a process comprising at least two polymerisation stages in suspension in a hydrocarbon diluent is preferred.
  • the hydrocarbon diluent is generally chosen from among aliphatic hydrocarbons containing from 3 to 10 carbon atoms.
  • the diluent is chosen from among propane, isobutane, hexane or their mixtures.
  • the composition used in the present invention may contain conventional additives such as antioxidants, antacids, UV stabilisers, dyes, fillers, antistatic agents and lubricating agents.
  • additives such as antioxidants, antacids, UV stabilisers, dyes, fillers, antistatic agents and lubricating agents.
  • the total content of additives generally does not exceed 5 wt % compared with the total weight of the composition used in the present invention. Preferably it does not exceed 2 wt %.
  • composition used for the manufacture of caps according to the invention may be obtained by any suitable known means. It is possible, for example, to employ two successive stages, the first comprising mixing the multimodal ethylene polymer and where applicable the additives at ambient temperature, the second stage comprising continuing the mixing in the molten state in an extruder.
  • the temperature of the second stage is generally from 100 to 300° C., in particular from 120 to 250° C., more particularly from about 130 to 210° C.
  • An alternative method comprises introducing the additives and where applicable the other compounds into the already molten multimodal ethylene polymer.
  • a master batch comprising a first fraction of the multimodal ethylene polymer plus any additives, said master batch being rich in additives and optionally in other compounds.
  • the master batch is then mixed with the remaining fraction of the multimodal ethylene polymer, for example during the manufacture of granules of the composition.
  • the screw caps according to the invention may be obtained by any known technique for the manufacture of objects. Injection moulding is particularly well suited.
  • the screw caps according to the present invention have good organoleptic properties which render them suitable to be used on bottles containing foodstuffs. In addition, they possess a good resistance to slow cracking.
  • the screw caps according to the present invention have an acceptable opening torque. They possess in addition good dimensional tolerances. They are therefore particularly well suited to being used on bottles containing fizzy drinks.
  • the invention consequently also relates to the use of the caps according to the invention for the closure of bottles containing foodstuffs, more particularly for the closure of bottles containing fizzy drinks.
  • a further aspect of the invention relates to screw caps comprising a composition based on a multimodal ethylene polymer and having an ESCR(B) greater than 800 hours, a notched Charpy impact resistance greater than 7 kJ/m 2 , and an injectability greater than 2.8s.
  • the screw caps of this aspect of the invention comprise composition is having a standard density greater than 950 kg/m 3 , and/or a melt flow index MI 2 of less than 10 g/10 min. It is also preferred that they are based on compositions according to the first aspect of the present invention.
  • Screw caps were manufactured by injection moulding on a Netstal machine fitted with an 18-cavity mould.
  • Example 3R shows that the screw caps according to the invention have a far superior resistance to cracking than a cap not conforming to the invention.
  • Example 1 shows that the screw caps according to the invention possess a resistance to slow cracking which is superior to that of caps based on a monomodal ethylene polymer.
  • Example 1 shows in addition that the screw caps according to the invention have organoleptic properties (OI and OIS) and dimensional tolerances at least as good, if not better, than those obtained from a composition based on a monomodal polyethylene, with equivalent opening torque values.
  • OI and OIS organoleptic properties
  • Example 13R is monomodal
  • Example 14R is bimodal.
  • TABLE 1 Property Unit 1 2 3R 4R 5R 6R 7R MI 2 g/10 min 1.6 1.5 1.6 10.1 10.1 2 1.7 SD kg/m 3 951.6 955.5 964.9 955.7 952.7 957 952.1 MI 2 (A) g/10 min 117 121 131 137 122 — — SD(A) kg/m 3 970.6 970.7 970.9 971 970.7 — — MI 2 (B) g/10 min 0.29 0.27 0.2 2.39 2.74 — — [A] wt % 49.3 49.6 50 49.5 50.1 — — [B] wt % 50.7 50.4 50(*) 50.5 49.9 — — C4(B) mol % 1.2 0.8 0(*) 1.1 1.6 — — ESCR hour 214 54 3 4 — 18 58 ESCR-A hour >500 217 16.7 0

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Closures For Containers (AREA)
  • Fodder In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
US10/494,731 2001-11-09 2002-11-06 Screw cap composition Abandoned US20050004315A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US10/975,369 US20050096434A1 (en) 2001-11-09 2004-10-29 Screw cap composition
US10/975,364 US20050113523A1 (en) 2001-11-09 2004-10-29 Screw cap composition
US11/889,853 US20080139745A1 (en) 2001-11-09 2007-08-16 Screw cap composition
US11/889,854 US20080139751A1 (en) 2001-11-09 2007-08-16 Screw cap composition
US12/385,342 US7750082B2 (en) 2001-11-09 2009-04-06 Screw cap composition
US12/385,343 US7750083B2 (en) 2001-11-09 2009-04-06 Screw cap composition

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01204466.5 2001-11-09
EP01204466A EP1310436A1 (fr) 2001-11-09 2001-11-09 Capsule à visser comprenant une composition à base de polymère de l'éthylène multimodal
PCT/EP2002/012382 WO2003039984A1 (en) 2001-11-09 2002-11-06 Screw cap composition

Related Child Applications (4)

Application Number Title Priority Date Filing Date
US10/975,369 Division US20050096434A1 (en) 2001-11-09 2004-10-29 Screw cap composition
US10/975,364 Division US20050113523A1 (en) 2001-11-09 2004-10-29 Screw cap composition
US11/889,853 Continuation US20080139745A1 (en) 2001-11-09 2007-08-16 Screw cap composition
US11/889,854 Continuation US20080139751A1 (en) 2001-11-09 2007-08-16 Screw cap composition

Publications (1)

Publication Number Publication Date
US20050004315A1 true US20050004315A1 (en) 2005-01-06

Family

ID=8181273

Family Applications (7)

Application Number Title Priority Date Filing Date
US10/494,731 Abandoned US20050004315A1 (en) 2001-11-09 2002-11-06 Screw cap composition
US10/975,369 Abandoned US20050096434A1 (en) 2001-11-09 2004-10-29 Screw cap composition
US10/975,364 Abandoned US20050113523A1 (en) 2001-11-09 2004-10-29 Screw cap composition
US11/889,854 Abandoned US20080139751A1 (en) 2001-11-09 2007-08-16 Screw cap composition
US11/889,853 Abandoned US20080139745A1 (en) 2001-11-09 2007-08-16 Screw cap composition
US12/385,342 Expired - Fee Related US7750082B2 (en) 2001-11-09 2009-04-06 Screw cap composition
US12/385,343 Expired - Fee Related US7750083B2 (en) 2001-11-09 2009-04-06 Screw cap composition

Family Applications After (6)

Application Number Title Priority Date Filing Date
US10/975,369 Abandoned US20050096434A1 (en) 2001-11-09 2004-10-29 Screw cap composition
US10/975,364 Abandoned US20050113523A1 (en) 2001-11-09 2004-10-29 Screw cap composition
US11/889,854 Abandoned US20080139751A1 (en) 2001-11-09 2007-08-16 Screw cap composition
US11/889,853 Abandoned US20080139745A1 (en) 2001-11-09 2007-08-16 Screw cap composition
US12/385,342 Expired - Fee Related US7750082B2 (en) 2001-11-09 2009-04-06 Screw cap composition
US12/385,343 Expired - Fee Related US7750083B2 (en) 2001-11-09 2009-04-06 Screw cap composition

Country Status (21)

Country Link
US (7) US20050004315A1 (ru)
EP (4) EP1310436A1 (ru)
JP (1) JP4467303B2 (ru)
KR (1) KR100848526B1 (ru)
CN (1) CN1697764B (ru)
AR (1) AR037286A1 (ru)
AT (1) ATE318767T1 (ru)
AU (1) AU2002357492B2 (ru)
CA (1) CA2465964C (ru)
DE (2) DE02802650T1 (ru)
DK (1) DK1441959T3 (ru)
EA (3) EA006454B1 (ru)
ES (2) ES2220254T3 (ru)
HU (1) HU230791B1 (ru)
MX (1) MXPA04004330A (ru)
NO (1) NO20042383L (ru)
PL (1) PL205268B1 (ru)
PT (1) PT1441959E (ru)
SI (1) SI1441959T1 (ru)
WO (1) WO2003039984A1 (ru)
ZA (3) ZA200403407B (ru)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050096434A1 (en) * 2001-11-09 2005-05-05 Solvay Polyolefins Europe - Belgium (S.A.) Screw cap composition
EP2017302A1 (en) * 2007-07-18 2009-01-21 Borealis Technology Oy Moulded article comprising high density polyethylene copolymer
US20090253863A1 (en) * 2004-11-03 2009-10-08 Borealis Technology Oy Polyethylene composition for injection molded caps and closure articles
US20100105839A1 (en) * 2008-10-23 2010-04-29 Mehta Sameer D Polyethylene having faster crystallization rate and improved environmental stress cracking resistance
US8022143B2 (en) 2008-04-21 2011-09-20 Nova Chemicals (International) S.A Closures for bottles
US8962755B2 (en) 2011-09-19 2015-02-24 Nova Chemicals (International) S.A. Polyethylene compositions and closures for bottles
US9371442B2 (en) 2011-09-19 2016-06-21 Nova Chemicals (International) S.A. Polyethylene compositions and closures made from them
WO2017029571A1 (en) 2015-08-19 2017-02-23 Nova Chemicals (International) S.A. Polyethylene compositions, process and closures
WO2017208106A1 (en) 2016-05-30 2017-12-07 Nova Chemicals (International) S.A. Closure having excellent organoleptic performance

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1384751A1 (en) * 2002-07-25 2004-01-28 SOLVAY POLYOLEFINS EUROPE - BELGIUM (Société Anonyme) Container formed from multimodal ethylene polymer
PL1655338T3 (pl) † 2004-11-03 2007-07-31 Borealis Tech Oy Wielomodalna kompozycja polietylenowa do wytwarzania wtryskiwanych opakowań do transportowania
ATE465100T1 (de) * 2005-11-28 2010-05-15 Borealis Tech Oy Schraubkapsel eine polyethylenkomposition enthaltend
CN101356225B (zh) 2006-05-02 2012-04-04 陶氏环球技术有限责任公司 高密度聚乙烯组合物、生产该组合物的方法、由此生产的金属线和电缆套、和生产上述金属线和电缆套的方法
BRPI0713185B1 (pt) † 2007-05-02 2018-08-28 Dow Global Technologies Inc composição de polietileno de alta densidade, método para produzir uma composição de polietileno de alta densidade, tampa de garrafa, método para produzir uma tampa de garrafa e composição de polietileno de alta densidade
JP5103289B2 (ja) * 2007-06-11 2012-12-19 日本ポリエチレン株式会社 射出成形容器蓋用ポリエチレン樹脂組成物
EP2070527A1 (en) * 2007-10-24 2009-06-17 QuoNova Europe GmbH Inhibitors of fungal biofilm-formation
US9359493B2 (en) 2011-09-30 2016-06-07 Total Research & Technology Feluy High-density polyethylene for caps and closures
CN103304891A (zh) * 2012-03-15 2013-09-18 曼盛包装（上海）有限公司 一种塑料盖及其制备方法
US9475927B2 (en) 2012-12-14 2016-10-25 Nova Chemicals (International) S.A. Polyethylene compositions having high dimensional stability and excellent processability for caps and closures
CA2798854C (en) 2012-12-14 2020-02-18 Nova Chemicals Corporation Polyethylene compositions having high dimensional stability and excellent processability for caps and closures
US9783663B2 (en) 2012-12-14 2017-10-10 Nova Chemicals (International) S.A. Polyethylene compositions having high dimensional stability and excellent processability for caps and closures
KR101699869B1 (ko) * 2014-11-27 2017-01-25 롯데케미칼 주식회사 식품 용기의 제조 방법
EP3040375B1 (en) 2014-12-30 2019-02-06 Abu Dhabi Polymers Co. Ltd (Borouge) LLC. Hdpe
US9783664B1 (en) 2016-06-01 2017-10-10 Nova Chemicals (International) S.A. Hinged component comprising polyethylene composition
ES2746570T3 (es) * 2016-09-12 2020-03-06 Thai Polyethylene Co Ltd Tapón de rosca de polietileno multimodal
EP3293212B1 (en) * 2016-09-12 2023-02-22 Thai Polyethylene Co., Ltd. Polymer composition for container closures
KR102073252B1 (ko) 2016-12-05 2020-02-04 주식회사 엘지화학 올레핀 공중합체 합성용 촉매 조성물 및 올레핀 공중합체의 제조 방법
JP2020514430A (ja) 2016-12-19 2020-05-21 ダウ グローバル テクノロジーズ エルエルシー 伝導体外被およびその製造プロセス
CA3022996A1 (en) 2017-12-04 2019-06-04 Nova Chemicals Corporation Bottle closure assembly comprising a polyethylene composition
CA3028148A1 (en) 2018-12-20 2020-06-20 Nova Chemicals Corporation Polyethylene copolymer compositions and articles with barrier properties
AR119038A1 (es) 2019-06-11 2021-11-17 Dow Global Technologies Llc Tapas o cierres moldeados por inyección y métodos de estos
US11674023B2 (en) * 2020-10-15 2023-06-13 Chevron Phillips Chemical Company Lp Polymer composition and methods of making and using same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6329054B1 (en) * 1995-07-10 2001-12-11 Borealis Polymers Oy Cable and method for using a cable-sheathing composition including an ethylene polymer mixture
US6632884B1 (en) * 1999-01-04 2003-10-14 Borealis Technology Oy Polymer composition, a process for the production thereof and films prepared thereof
US20040157988A1 (en) * 2000-10-27 2004-08-12 Olivier Miserque Polyethylene pipe resins and production thereof
US6787608B2 (en) * 2001-08-17 2004-09-07 Dow Global Technologies, Inc. Bimodal polyethylene composition and articles made therefrom
US20050096434A1 (en) * 2001-11-09 2005-05-05 Solvay Polyolefins Europe - Belgium (S.A.) Screw cap composition

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103542A (ja) 1981-12-16 1983-06-20 Mitsui Petrochem Ind Ltd 炭酸飲料容器用キヤツプ
BE1006439A3 (fr) * 1992-12-21 1994-08-30 Solvay Societe Annonyme Procede de preparation d'une composition de polymeres d'ethylene, composition de polymeres d'ethylene et son utilisation.
AU5316996A (en) * 1995-04-05 1996-10-23 Mcnc A solder bump structure for a microelectronic substrate
DE19526340A1 (de) * 1995-07-19 1997-01-23 Basf Ag Polyethylenformmassen geringer Schwindungsneigung
JP2000007859A (ja) * 1998-06-19 2000-01-11 Mitsubishi Chemicals Corp ポリエチレン系樹脂組成物
ATE222938T1 (de) * 1998-11-27 2002-09-15 Bp Chem Int Ltd Polymerzusammensetzung für flaschenschraubkappe
GB9911934D0 (en) * 1999-05-21 1999-07-21 Borealis As Polymer
CN1098305C (zh) * 1999-08-04 2003-01-08 中国科学院化学研究所 一种低密度聚乙烯组合物及其管材
CN1098306C (zh) * 1999-09-24 2003-01-08 中国科学院化学研究所 高密度聚乙烯组合物及其管材
EP1201713A1 (en) * 2000-10-27 2002-05-02 ATOFINA Research Polyethylene pipe resins and production thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6329054B1 (en) * 1995-07-10 2001-12-11 Borealis Polymers Oy Cable and method for using a cable-sheathing composition including an ethylene polymer mixture
US6632884B1 (en) * 1999-01-04 2003-10-14 Borealis Technology Oy Polymer composition, a process for the production thereof and films prepared thereof
US20040157988A1 (en) * 2000-10-27 2004-08-12 Olivier Miserque Polyethylene pipe resins and production thereof
US6787608B2 (en) * 2001-08-17 2004-09-07 Dow Global Technologies, Inc. Bimodal polyethylene composition and articles made therefrom
US20050096434A1 (en) * 2001-11-09 2005-05-05 Solvay Polyolefins Europe - Belgium (S.A.) Screw cap composition
US20050113523A1 (en) * 2001-11-09 2005-05-26 De Baudimont Guy D.C. Screw cap composition

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050096434A1 (en) * 2001-11-09 2005-05-05 Solvay Polyolefins Europe - Belgium (S.A.) Screw cap composition
US20090253863A1 (en) * 2004-11-03 2009-10-08 Borealis Technology Oy Polyethylene composition for injection molded caps and closure articles
US8044160B2 (en) 2004-11-03 2011-10-25 Borealis Technology Oy Polyethylene composition for injection molded caps and closure articles
EP2017302A1 (en) * 2007-07-18 2009-01-21 Borealis Technology Oy Moulded article comprising high density polyethylene copolymer
US8022143B2 (en) 2008-04-21 2011-09-20 Nova Chemicals (International) S.A Closures for bottles
US20100105839A1 (en) * 2008-10-23 2010-04-29 Mehta Sameer D Polyethylene having faster crystallization rate and improved environmental stress cracking resistance
US20160032088A1 (en) * 2008-10-23 2016-02-04 Equistar Chemicals, Lp Polyethylenes having faster crystallization rate and improved environmental stress cracking resistance
US9187627B2 (en) * 2008-10-23 2015-11-17 Equistar Chemicals, Lp Polyethylene having faster crystallization rate and improved environmental stress cracking resistance
US9221966B2 (en) 2011-09-19 2015-12-29 Nova Chemicals (International) S.A. Polyethylene compositions and closures for bottles
US8962755B2 (en) 2011-09-19 2015-02-24 Nova Chemicals (International) S.A. Polyethylene compositions and closures for bottles
US9371442B2 (en) 2011-09-19 2016-06-21 Nova Chemicals (International) S.A. Polyethylene compositions and closures made from them
US9637628B2 (en) 2011-09-19 2017-05-02 NOVA Chemicals (International S.A. Polyethylene compositions and closures made from them
US10519304B2 (en) 2011-09-19 2019-12-31 Nova Chemicals (International) S.A. Polyethylene compositions and closures made from them
US11345798B2 (en) 2011-09-19 2022-05-31 Nova Chemicals (International) S.A. Polyethylene compositions and closures made from them
WO2017029571A1 (en) 2015-08-19 2017-02-23 Nova Chemicals (International) S.A. Polyethylene compositions, process and closures
US9758653B2 (en) 2015-08-19 2017-09-12 Nova Chemicals (International) S.A. Polyethylene compositions, process and closures
WO2017208106A1 (en) 2016-05-30 2017-12-07 Nova Chemicals (International) S.A. Closure having excellent organoleptic performance

Also Published As

Publication number Publication date
ZA200405560B (en) 2005-03-30
AR037286A1 (es) 2004-11-03
MXPA04004330A (es) 2004-11-29
WO2003039984A1 (en) 2003-05-15
HUP0401675A3 (en) 2005-11-28
ES2632261T3 (es) 2017-09-12
US20050096434A1 (en) 2005-05-05
HUP0401675A2 (hu) 2004-12-28
EP1441959A1 (en) 2004-08-04
EA200400594A1 (ru) 2004-12-30
EP1310436A1 (fr) 2003-05-14
KR100848526B1 (ko) 2008-07-25
SI1441959T1 (sl) 2006-08-31
US20090198015A1 (en) 2009-08-06
EA006456B1 (ru) 2005-12-29
ES2220254T3 (es) 2006-07-01
CA2465964C (en) 2008-07-22
US20080139751A1 (en) 2008-06-12
EP1462378A2 (en) 2004-09-29
ZA200405559B (en) 2005-03-30
US20080139745A1 (en) 2008-06-12
CN1697764A (zh) 2005-11-16
DE60209567T2 (de) 2006-08-10
EP1462378A3 (en) 2005-05-25
EA200400852A1 (ru) 2004-12-30
EP1441959B1 (en) 2006-03-01
EP1468932A2 (en) 2004-10-20
EA006454B1 (ru) 2005-12-29
EP1468932A3 (en) 2005-05-04
NO20042383L (no) 2004-06-08
PL205268B1 (pl) 2010-03-31
CN1697764B (zh) 2010-04-14
DE02802650T1 (de) 2004-10-21
DE60209567D1 (de) 2006-04-27
PT1441959E (pt) 2006-05-31
EP1462378B1 (en) 2017-04-05
KR20050043777A (ko) 2005-05-11
JP2005507834A (ja) 2005-03-24
ES2220254T1 (es) 2004-12-16
US7750083B2 (en) 2010-07-06
JP4467303B2 (ja) 2010-05-26
DK1441959T3 (da) 2006-05-29
ZA200403407B (en) 2004-07-23
EA006455B1 (ru) 2005-12-29
AU2002357492B2 (en) 2009-03-12
ATE318767T1 (de) 2006-03-15
US20090198019A1 (en) 2009-08-06
EA200400851A1 (ru) 2004-12-30
US7750082B2 (en) 2010-07-06
US20050113523A1 (en) 2005-05-26
CA2465964A1 (en) 2003-05-15
PL368841A1 (en) 2005-04-04
HU230791B1 (en) 2018-05-02

Similar Documents

Publication Publication Date Title
US7750082B2 (en) Screw cap composition
AU2002357492A1 (en) Screw cap composition
RU2375392C2 (ru) Полиэтиленовые смолы для трубопроводной арматуры
EP0561187B1 (en) Blow moulded container of blends of recycled high density polyethylene and linear low density polyethylene
EP1819770B1 (en) Multimodal polyethylene composition obtainable with high activity catalyst
US20170342176A1 (en) Closure having excellent organoleptic performance
US10584523B2 (en) Hinged component made from high density unimodal polyethylene
EP2939814B1 (en) Polymer composition for a container closure
US20050255265A1 (en) Container formed from multimodal ethylene polymer
EP3988615B1 (en) Polyethylene resin composition and bottle cap produced by the composition
KR20210059910A (ko) 음료의 맛에 대한 영향이 최소화 된 마개용 폴리에틸렌 수지 조성물

Legal Events

Date Code Title Description
AS Assignment

Owner name: SOLVAY POLYOLEFINS EUROPE - BELGIUM (S.A.), BELGIU

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DE CAMBRY DE BAUDIMONT, GUY;VANDEN BERGHE, PASCAL;REEL/FRAME:016048/0577;SIGNING DATES FROM 20040517 TO 20040525

AS Assignment

Owner name: O & D BELGIUM NV, BELGIUM

Free format text: MERGER;ASSIGNOR:BP HIGH DENSITY POLYETHYLENE BELGIUM NV;REEL/FRAME:017384/0328

Effective date: 20050331

Owner name: INNOVENE MANUFACTURING BELGIUM NV, BELGIUM

Free format text: CHANGE OF NAME WITH ENGLISH TRANSLATION;ASSIGNOR:O & D BELGIUM NV;REEL/FRAME:017384/0271

Effective date: 20050601

Owner name: BP HIGH DENSITY POLYETHYLENE BELGIUM NV, BELGIUM

Free format text: CHANGE OF NAME;ASSIGNOR:SOLVAY POLYOFINS EUROPE-BELGIUM SA;REEL/FRAME:017384/0407

Effective date: 20050131

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION