EP1417130A1 - Recipient en plastique brillant - Google Patents

Recipient en plastique brillant

Info

Publication number
EP1417130A1
EP1417130A1 EP01969302A EP01969302A EP1417130A1 EP 1417130 A1 EP1417130 A1 EP 1417130A1 EP 01969302 A EP01969302 A EP 01969302A EP 01969302 A EP01969302 A EP 01969302A EP 1417130 A1 EP1417130 A1 EP 1417130A1
Authority
EP
European Patent Office
Prior art keywords
plastic container
external layer
container according
styrene
polyethylene
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.)
Withdrawn
Application number
EP01969302A
Other languages
German (de)
English (en)
Inventor
Catherine Samarcq
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.)
Total Petrochemicals Research Feluy SA
Original Assignee
Atofina Research 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
Application filed by Atofina Research SA filed Critical Atofina Research SA
Priority to EP01969302A priority Critical patent/EP1417130A1/fr
Publication of EP1417130A1 publication Critical patent/EP1417130A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/0005—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor characterised by the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/22—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor using multilayered preforms or parisons
    • 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—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, 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
    • B65D1/0215—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features multilayered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0861—Other specified values, e.g. values or ranges
    • B29C2949/0872—Weight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04—Extrusion blow-moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B29K2023/0608—PE, i.e. polyethylene characterised by its density
    • B29K2023/065—HDPE, i.e. high density polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0022—Bright, glossy or shiny surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0063—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0087—Wear resistance
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]

Definitions

  • This invention is related to plastic containers having a glossy outer surface and in particular to the production high gloss bottles, jars, etc. formed of polyolefin.
  • High gloss high density polyethylene has been used: it is characterised by a very narrow molecular weight distribution that is typically inferior to 8.
  • the molecular weight distribution can be completely defined by means of a curve obtained by gel permeation chromatography.
  • the molecular weight distribution (MWD) is more simply defined by a parameter, known as the dispersion index D, which is the ratio between the average molecular weight by weight (Mw) and the average molecular weight by number (Mn).
  • the dispersion index constitutes a measure of the width of the molecular weight distribution. It is known that a resin of narrow molecular weight distribution will produce plastic containers of very high gloss but simultaneously, that such resin will be very difficult to process and will be characterised by very poor mechanical properties. It has also been observed that said resins have poor mechanical properties, particularly, a very low environmental stress crack resistance (Modern Plastic International, August 1993, p. 45).
  • HDPE high density polyethylene
  • polyamide polyamide
  • the coextrusion of high density polyethylene and an external layer of low density polyethylene leads to bottles with a fair gloss. These bottles however have an unpleasant greasy touch and offer a very poor resistance to scratching.
  • An aim of the present invention is to produce plastic containers that offer simultaneously the desired glossy appearance and a good resistance to scratching.
  • the present invention provides plastic containers comprising an internal layer including a polyolefin and an external layer including a styrenic component containing from 40 to 85 wt% of styrene based on the weight of the external layer.
  • the preferred plastic containers of the present invention are obtained by coextruding a polyolefin as inner layer with a styrenic component as an external layer, said external layer having a styrenic content ranging from 40 to 85 wt%, preferably, from 55 to 80 wt%, and most preferably from 70 to 75 wt%, based on the weight of the external layer.
  • the polyolefin used as the inner layer for the plastic containers of the present invention is high density polyethylene.
  • the styrenic component may either be a physical blend of polystyrene with an elastomer or a copolymer of styrene and butadiene.
  • the styrenic component is a styrene-butadiene-styrene block copolymer.
  • high impact polystyrene can be physically blended with the styrene- butadiene-styrene block copolymer. That addition results in a slightly better gloss, a better resistance to scratch at the expense of mechanical properties.
  • the external layer of the glossy plastic containers of the present invention preferably has a thickness ranging between 5 and 10 % of the total wall thickness of the plastic containers.
  • the high density polyethylene used in the present invention must be suitable for blow moulding.
  • the high density polyethylene preferably has a density of from 0.95 to 0.97g/cm 3 .
  • Polyethylene is well known for use in the manufacture of blow moulded articles, for example bottles. It is known in the art that polyethylene resin produced for the manufacture of blow moulded articles must achieve a balance of (a) physical properties of the resin so that the resultant blow moulded article has the required physical characteristics and (b) processing properties of the resin so that the polyethylene melt may readily be processed into the blow moulded article. In order to achieve good processability of the polyethylene resins, it is desired that the flow properties and the shear response of the polyethylene are improved by broadening the molecular weight distribution of the polyethylene. Moreover, the physical properties of the solid resin when employed for blow moulding plastic containers require the resin to have a high density and a high environmental stress cracking resistance (ESCR).
  • ESCR environmental stress cracking resistance
  • a polyethylene having a higher density tends to have a higher degree of stiffness, thereby making it more suitable for blow moulding into plastic containers.
  • a higher stiffness in the known polyethylene increases the strength of the plastic containers and enables thinner walls to be employed.
  • the environment stress cracking resistance of polyethylene has an inverse relationship with stiffness. In other words, as the stiffness of polyethylene is increased, the environmental stress cracking resistance decreases, and vice versa. This inverse relationship is known in the art as the ESCR-rigidity balance. It is required, for any given plastic container grade polyethylene, to achieve a compromise between the environmental stress cracking resistance of the polyethylene and the rigidity of the polyethylene employed in the blown plastic container.
  • a number of different catalyst systems have been disclosed for the manufacture of polyethylene, in particular high density polyethylene (HDPE) suitable for blow moulding.
  • HDPE high density polyethylene
  • It is known to employ a chromium-based catalyst i.e. a catalyst known in the art as a "Phillips catalyst)".
  • Such a chromium-based catalyst enables the production of polyethylene having desirable physical and rheological properties.
  • EP-A-0,291,824, EP-A-0,591 ,968 and US-A-5, 310,834 each disclose mixed catalyst compositions, incorporating chromium-based catalysts, for the polymerisation of polyethylene.
  • the HDPE can be produced using a conventional Ziegler-Natta catalyst or a supported Ziegler-Natta catalyst comprising metallocene sites such as described in EP-A-0,585,512.
  • the HDPE can further be polymerised with a metallocene catalyst capable of producing a bi- or multimodal distribution, either in a two step process such as described for example in EP-A-0,881 ,237, or as a dual or multiple site catalyst in a single reactor such as described for example in EP-A-0,619,325.
  • the copolymerisation process is carried with ethylene and an alpha-olefinic comonomer comprising from 3 to 10 carbon atoms.
  • ethylene comonomer comprises 0.5 to 6% by weight and the comonomer comprises from 0.5 to 3% by weight, based on the total weight of the ethylene monomer and comonomer in the inert diluent.
  • the polyethylene resins produced in accordance with the above-described process have physical properties making them particularly suitable for use as blow moulding grade polyethylenes.
  • the process can produce polyethylene resins in pellet form having a high load melt index (HMLI) ranging from around 8 to 30 g/10 min and a melt index (Ml 2 ) of less than 0.255 g/10 min.
  • HMLI high load melt index
  • Ml 2 melt index
  • the styrenic polymer used for manufacturing the plastic containers of the present invention can be any styrenic compound having a styrenic content of from 40 to 85 wt%, preferably, from 55 to 80 wt%, and most preferably from 70 to 75 wt%.
  • a typical styrenic compound suitable for use in the present invention is disclosed for example in U.S. 4,091 ,053
  • the styrenic polymer preferably used in the present invention is disclosed in EP-B-0, 270,715. It is an improved transparent conjugated diene/monovinyl- substituted aromatic block copolymer. More specifically, it is a transparent linear conjugated diene/monovinyl-substituted aromatic block copolymer having improved impact strength, elongation and flexibility. It is a composition comprising a resinous block copolymer of a conjugated diene and a monovinyl-substituted aromatic having the following structure:
  • Si and S 2 are monovinyl-substituted aromatic homopolymer blocks.
  • Bi is a conjugated diene homopolymer block.
  • B/S is a conjugated diene/monovinyl- substituted aromatic random copolymer block.
  • the block copolymer preferably contains from 5 to 40 wt% of conjugated diene units and from 60 to 95 wt% of monovinyl-substituted aromatic units.
  • the block copolymers are typically prepared by anionic block polymerisation in a solvent medium.
  • the catalyst is generally an organolithium compound.
  • the amount of organolithium initiator used in the polymerisation process of the present invention depends greatly upon the molecular weight desired for the first segment S-
  • the polymerisation is preferably carried out at a temperature of from -20 to 150 °C and at a pressure sufficient to maintain the monomers and the solvents in the liquid phase.
  • the polymerisation is most preferably carried out at a temperature ranging from 20 to 110 °C and at a pressure ranging from atmospheric to 5 bars.
  • BHT di-tert-butylhydroxy toluene
  • the blow moulding machine incorporating a coextrusion die for extruding a parison to be blow moulded, can be any one of the machines generally used for blow moulding, for example a Battenfeld Fisher VK1-4 available from Battenfeld etc.
  • the HDPE is processed at a temperature ranging from 170 °C to 220°C, preferably at a temperature ranging from 180 °C to 200 °C and most preferably around 190 °C.
  • the S-B-S is preferably processed at a temperature of about 220 °C.
  • the blow mould temperature ranges from 5 °C to room temperature (25 °C).
  • the plastic containers of the present invention are characterised by a very high gloss, a pleasant "non greasy” touch and an excellent scratch resistance. They have a good drop resistance and labels have a better adhesion to their surface than they do on plastic containers having an HDPE outer surface.
  • the scratch resistance is measured using the norm ISO 1518 that measures the detection of scratches when a point is applied to the surface of the plastic containers with forces of varying strength. None of the plastic containers of the present invention have shown signs of scratch when a 3 Newton force was applied to their surface.
  • the peel strength or stripping strength of adhesive bonds is measured using the ASTM D 903-49 standard test method. According to that test, the plastic containers of the present invention require a force larger than 5 Newtons to remove a 25 mm wide label.
  • the drop resistance test is performed on 1 litre bottles prepared in accordance with the present invention.
  • the drop resistance is measured using the following procedure:
  • the bottles were then filled with fluid, closed and brought to the desired conditioning as follows: 1) room temperature, water, 24 +- 3 hrs;
  • a test run on a sample of 20 bottles included the following steps:
  • H F H 0 + [ ⁇ H ( A/N - 0.5) ]
  • ni represents the number of ruptures at each height considering only the last 7 ruptures and i is an integer 0,1 ,2 ..indicating the number of steps above the minimum height H 0 ,
  • the HDPE used in the production of the internal layer of bottles made according to the present invention was obtained with the chromium catalyst disclosed in EP-A-0, 857,736 as follows.
  • a liquid comprising ethylene, 1-hexene and the balance isobutane as an inert diluent was fed into a polymerisation reaction zone at a pressure of 42 bars and at a polymerisation temperature of around 102 to 103 °C. Hydrogen was also fed into the polymerisation reaction zone.
  • Triethyl boron (TEB) was also supplied to the polymerisation reaction zone in the isobutane.
  • the catalyst system comprised the chromium-based catalyst having the following properties: a support of Si0 2 and AI 2 O 3 having around 2.1wt% Al, a pore volume of 2.7cc/g and a specific surface area of 360 m 2 /g.
  • the catalyst had been subjected to an activation in air to temperature of around 650 °C.
  • the HDPE was characterised by a density of 0.957 g/cm 3 , by a high load melt index (HLMI) of 17 g/10 mn, as defined by ASTM-D-1238 and by a molecular weight distribution (D) of 15. It was processed at a temperature of 190 °C.
  • the S-B-S block copolymer used in the production of the external layer of the bottles made according to the present invention was obtained using the procedure disclosed in EP-B-0,270,715. In accordance with that process, the following quantities, calculated per 100 parts by weight of styrene and 1 ,3- butadiene monomers were introduced into a pressurised reactor.
  • the block polymerisation was then continued by injecting simultaneously 25 parts of 1 ,3-butadiene and 58.3 parts of styrene, so as to form a butadiene homopolymer block Bi with a molecular weight of 6,800 and a random copolymer block B/S with a molecular weight of 53,200.
  • the living polymer thus formed was inactivated by adding 0.3 phr of di-tert- butylhydroxy toluene (BHT).
  • BHT di-tert- butylhydroxy toluene
  • the molecular weight of the final polymer was 114,000.
  • the polymer was recovered by removing the solvent.
  • the machine used for coextruding and blow moulding 1 litre, 2 layer bottles with the HDPE as the inner layer and the S-B-S block copolymer as the external layer was a Battenfeld Fisher VK1 -4.
  • the mould was kept at a temperature of 15 °C.
  • Bottle B - S-B-S mixed with High Impact Polystyrene (HIPS) HIPS
  • Bottle C - S-B-S mixed with polystyrene

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

L'invention concerne un récipient en plastique. Ce récipient comprend une couche interne constituée d'un polyéthylène haute densité et une couche externe composée d'un composant styrénique renfermant 40 à 85 % en poids de styrène par rapport au poids de la couche externe.
EP01969302A 2000-03-30 2001-03-28 Recipient en plastique brillant Withdrawn EP1417130A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01969302A EP1417130A1 (fr) 2000-03-30 2001-03-28 Recipient en plastique brillant

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP00201155 2000-03-30
EP00201155A EP1138604A1 (fr) 2000-03-30 2000-03-30 Récipients brillants en matière plastique
EP01969302A EP1417130A1 (fr) 2000-03-30 2001-03-28 Recipient en plastique brillant
PCT/EP2001/003526 WO2001089939A1 (fr) 2000-03-30 2001-03-28 Recipient en plastique brillant

Publications (1)

Publication Number Publication Date
EP1417130A1 true EP1417130A1 (fr) 2004-05-12

Family

ID=8171276

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00201155A Withdrawn EP1138604A1 (fr) 2000-03-30 2000-03-30 Récipients brillants en matière plastique
EP01969302A Withdrawn EP1417130A1 (fr) 2000-03-30 2001-03-28 Recipient en plastique brillant

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP00201155A Withdrawn EP1138604A1 (fr) 2000-03-30 2000-03-30 Récipients brillants en matière plastique

Country Status (4)

Country Link
US (1) US20040126520A1 (fr)
EP (2) EP1138604A1 (fr)
AU (1) AU2001289599A1 (fr)
WO (1) WO2001089939A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10152865B4 (de) 2001-10-25 2005-12-01 Nordenia Deutschland Gronau Gmbh Mehrschichtige Kunststoffverbundfolie mit wenigstens drei Schichten
US8263198B2 (en) 2007-09-26 2012-09-11 Chevron Phillips Chemical Company Lp System and method for creating high gloss plastic items via the use of styrenic copolymers as a coextruded layer
CN102216050B (zh) * 2008-10-23 2015-09-16 巴塞尔聚烯烃股份有限公司 用于制备聚乙烯容器、型坯和瓶子的注坯拉伸吹塑成型方法
WO2013010231A1 (fr) * 2011-07-18 2013-01-24 Paulo Haipek Filho Film coextrudé comprenant au moins 3 couches et son utilisation
US9581538B2 (en) * 2014-03-12 2017-02-28 Pepsico, Inc. Method and apparatus for assessment of adhesion of labels
US9827705B2 (en) 2015-04-16 2017-11-28 The Procter & Gamble Company High gloss high density polyethylene containers

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1069814A (fr) * 1975-10-22 1980-01-15 Ernest J. Buckler Stratifies renfermant du polystyrene injecte
US4091053A (en) 1976-06-24 1978-05-23 Phillips Petroleum Company Coupled resinous diene copolymer with good integral hinge flex life and high hardness
US4440824A (en) * 1981-10-23 1984-04-03 Composite Container Corporation Thermoformable coextruded multilayered structure
EP0270715A1 (fr) 1986-11-12 1988-06-15 Gérard Fauqueur Procédé d'assèchement de parois murales et applicateur de solution hydrofuge pour la mise en oeuvre dudit procédé
US5310834A (en) 1987-05-20 1994-05-10 Quantum Chemical Corporation Mixed chromium catalysts and polymerizations utilizing same
CA1307619C (fr) 1987-05-20 1992-09-15 Louis J. Rekers Compositions catalytiques de chrome et polymerisation a l'aide de celles-ci
TW232671B (fr) * 1990-01-16 1994-10-21 Idemitsu Petrochemical Co
JPH0538787A (ja) * 1991-08-07 1993-02-19 Toyo Seikan Kaisha Ltd 表面光沢性に優れた多層プラスチツク容器
DE69228182T2 (de) 1992-08-31 1999-09-23 Fina Research Katalysatorkomponente für Olefinpolymerisation
US5486584A (en) * 1992-10-08 1996-01-23 Phillips Petroleum Company Chromium catalyst compositions
ATE204884T1 (de) 1993-04-07 2001-09-15 Atofina Res Verfahren zur herstellung von polyolefinkatalysatoren
NZ280207A (en) * 1994-10-19 1997-09-22 Grace W R & Co Polystyrene foam substrate having a film comprising a bonding layer of styrene-butadiene and/or acrylonitrile copolymer adhered thereto; trays formed therefrom
EP0857736A1 (fr) 1997-02-07 1998-08-12 Fina Research S.A. Production de polyéthylène à mouler par soufflage
EP0881237A1 (fr) * 1997-05-26 1998-12-02 Fina Research S.A. Procédé de préparation de polyoléfines bimodales utilisant des catalyseurs à base de métallocène dans deux zones réactionnelles
JPH115275A (ja) * 1997-06-17 1999-01-12 Mitsubishi Chem Corp 多層ブロー容器
JP2001029433A (ja) * 1999-07-15 2001-02-06 Taisei Kako Co Ltd Ｐｅｓ製インジェクションブロー成形ほ乳瓶、並びに、その製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0189939A1 *

Also Published As

Publication number Publication date
WO2001089939A1 (fr) 2001-11-29
US20040126520A1 (en) 2004-07-01
EP1138604A1 (fr) 2001-10-04
AU2001289599A1 (en) 2001-12-03

Similar Documents

Publication Publication Date Title
CA2498086C (fr) Compositions de polyethylenes de moulage par injection
Chum et al. Materials properties derived from INSITE metallocene catalysts
WO2000008079A1 (fr) Copolymere sequence lineaire et composition de resine contenant ledit copolymere
CN103642167B (zh) 热收缩膜的制造方法
US20050256266A1 (en) Polyethylene compositions for rotational molding
CA1049187A (fr) Resine consistant de polystyrene et d'un copolymere sequence de styrene-butadiene
KR910008600B1 (ko) 폴리올레핀 조성물
CA2511358A1 (fr) Composition de moulage par soufflage de polyethylene pour la production de bidons
US6586528B1 (en) Composition based on propylene polymers and process for obtaining same
AU2003296630A1 (en) Polyethylene composition for producing l-ring drums
EP1138702A1 (fr) Polyéthylène préparé à l'aide d'un catalyseur métallocène pour fabriquer des containers plastiques brillants
EP1204523A1 (fr) Procede de fabrication de reservoir
US6642317B1 (en) Composition based on propylene polymers and process for obtaining same
JP3378517B2 (ja) プロピレン系重合体、その製造方法およびそれから得られる発泡成形体
WO2003031175A1 (fr) Recipients en plastique brillants a haute resistance a la craquelure due a la contrainte environnementale
WO2009146926A1 (fr) Polymère
JP5206395B2 (ja) ポリプロピレン系共重合体、およびそれからなるフィルム
US20040126520A1 (en) Glossy plastic container
JP2000063422A (ja) 向上した機械的特性を示すポリエチレンの製造
JPH11255851A (ja) 線状ブロック共重合体及び樹脂組成物
JP3356232B2 (ja) ブロック共重合体組成物及び熱収縮性フィルム
WO2004085504A1 (fr) Composition de copolymeres sequences lineaires
JP2000186175A (ja) ２軸延伸ブロー成形用プロピレン系重合体または重合体組成物、及び容器
JPH0586119A (ja) 吹込成形用ポリエチレン樹脂組成物

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20030207

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: TOTAL PETROCHEMICALS RESEARCH FELUY

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20061002