RU2012149956A - Многослойный контейнер, пресс-форма для многослойного контейнера и способ изготовления многослойного контейнера - Google Patents

Многослойный контейнер, пресс-форма для многослойного контейнера и способ изготовления многослойного контейнера Download PDF

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Publication number
RU2012149956A
RU2012149956A RU2012149956/05A RU2012149956A RU2012149956A RU 2012149956 A RU2012149956 A RU 2012149956A RU 2012149956/05 A RU2012149956/05 A RU 2012149956/05A RU 2012149956 A RU2012149956 A RU 2012149956A RU 2012149956 A RU2012149956 A RU 2012149956A
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RU
Russia
Prior art keywords
resin
multilayer
multilayer container
gas
layer
Prior art date
Application number
RU2012149956/05A
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English (en)
Other versions
RU2570053C2 (ru
Inventor
Дзун Митадера
Original Assignee
Мицубиси Гэс Кемикал Компани, Инк.
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Publication of RU2012149956A publication Critical patent/RU2012149956A/ru
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Publication of RU2570053C2 publication Critical patent/RU2570053C2/ru

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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
    • 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
    • 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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/003—Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/03—Injection moulding apparatus
    • B29C45/13—Injection moulding apparatus using two or more injection units co-operating with a single mould
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1603—Multi-way nozzles specially adapted therefor
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C45/1646—Injecting parison-like articles
    • 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
    • B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/06—Injection blow-moulding
    • 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
    • B32B1/00—Layered products having a non-planar shape
    • 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
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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    • B32B27/00—Layered products comprising a layer of synthetic resin
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    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • 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
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • 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
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • 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
    • B65D1/40—Details of walls
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/08—Injection moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
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    • B29B11/14—Making preforms characterised by structure or composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2049/023—Combined blow-moulding and manufacture of the preform or the parison using inherent heat of the preform, i.e. 1 step blow moulding
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Abstract

1. Многослойный контейнер, содержащий многослойную структуру из трех или более слоев, имеющую по меньшей мере газонепроницаемый слой между самым внутренним слоем и самым наружным слоем, при этомгазонепроницаемый слой на участке, образованном из многослойной структуры, имеет часть, имеющую толщину, составляющую от 0,01 до 0,9 от максимальной толщины газонепроницаемого слоя.2. Многослойный контейнер по п.1, в котором масса указанного участка, образованного из многослойной структуры, составляет 30 процентов или более от массы всего многослойного контейнера.3. Многослойный контейнер по п.1, в котором многослойная структура представляет собой многослойную структуру из трех слоев или пяти слоев.4. Многослойный контейнер по п.1, в котором газонепроницаемый слой образован из компонента по меньшей мере одного вида, выбранного из полиамидной смолы, смолы, представляющей собой сополимер этилена и винилацетата, полиакрилонитрильной смолы, поливинилиденхлоридной смолы и полигликолевой кислоты.5. Многослойный контейнер по п.4, в котором полиамидная смола представляет собой смолу на основе полиамида, содержащего m-ксилиленовую группу.6. Многослойный контейнер по п.1, в котором многослойная структура содержит самый внутренний слой и самый наружный слой, каждый из которых образован из компонента по меньшей мере одного вида, выбранного из термопластичной полиэфирной смолы, термопластичной сополимерной полиэфирной смолы, смолы на основе полиолефина, смолы на основе алифатического полиамида, поликарбонатной смолы, полиакрилонитрильной смолы, поливинилхлоридной смолы и полистирольной смолы.7. Многослойный контейнер по любому и�

Claims (13)

1. Многослойный контейнер, содержащий многослойную структуру из трех или более слоев, имеющую по меньшей мере газонепроницаемый слой между самым внутренним слоем и самым наружным слоем, при этом
газонепроницаемый слой на участке, образованном из многослойной структуры, имеет часть, имеющую толщину, составляющую от 0,01 до 0,9 от максимальной толщины газонепроницаемого слоя.
2. Многослойный контейнер по п.1, в котором масса указанного участка, образованного из многослойной структуры, составляет 30 процентов или более от массы всего многослойного контейнера.
3. Многослойный контейнер по п.1, в котором многослойная структура представляет собой многослойную структуру из трех слоев или пяти слоев.
4. Многослойный контейнер по п.1, в котором газонепроницаемый слой образован из компонента по меньшей мере одного вида, выбранного из полиамидной смолы, смолы, представляющей собой сополимер этилена и винилацетата, полиакрилонитрильной смолы, поливинилиденхлоридной смолы и полигликолевой кислоты.
5. Многослойный контейнер по п.4, в котором полиамидная смола представляет собой смолу на основе полиамида, содержащего m-ксилиленовую группу.
6. Многослойный контейнер по п.1, в котором многослойная структура содержит самый внутренний слой и самый наружный слой, каждый из которых образован из компонента по меньшей мере одного вида, выбранного из термопластичной полиэфирной смолы, термопластичной сополимерной полиэфирной смолы, смолы на основе полиолефина, смолы на основе алифатического полиамида, поликарбонатной смолы, полиакрилонитрильной смолы, поливинилхлоридной смолы и полистирольной смолы.
7. Многослойный контейнер по любому из пп.1-6, при этом многослойный контейнер представляет собой корпус бутылки.
8. Пресс-форма для многослойного контейнера, содержащая:
часть (I), представляющую собой холодную полуформу и имеющую полость; и
часть (II), представляющую собой горячую полуформу и имеющую проточный канал для первой смолы, предназначенный для соединения внутреннего пространства первого инжекционного цилиндра с полостью, проточный канал для второй смолы, предназначенный для соединения внутреннего пространства второго инжекционного цилиндра с полостью, и соединяющую часть, которая соединяет проточный канал для первой смолы и проточный канал для второй смолы, при этом
соединяющая часть, включенная в часть (II), представляющая собой горячую полуформу, расположена по ходу потока до литниковой части, открывающейся в полость, включенную в часть (I), представляющую собой холодную полуформу, и проточный канал для второй смолы включает в себя средство для частичного воспрепятствования потоку смолы.
9. Пресс-форма для многослойного контейнера по п.8, в которой:
средство для частичного воспрепятствования потоку смолы представляет собой средство для образования выпуклой части по меньшей мере на одном участке проточного канала для второй смолы; и
наиболее длинная часть в направлении диаметра и наиболее длинная часть в касательном вдоль периферии направлении сечения в направлении, вертикальном к направлению потока в проточном канале для второй смолы, имеют соответственно длину а мм и длину b мм, при этом а и b удовлетворяют следующим соотношениям:
0,01r ≤ а ≤ 1r (выражение 1); и
0,01r ≤ b ≤ 1r (выражение 2),
где r представляет собой радиус (мм) проточного канала для второй смолы.
10. Пресс-форма для многослойного контейнера по п.8 или 9, в которой средство для частичного воспрепятствования потоку смолы представляет собой средство для образования выпуклой части по меньшей мере в двух местах в проточном канале для второй смолы.
11. Пресс-форма для многослойного контейнера по п.8 или 9, в которой выпуклая часть образована на расстоянии, составляющем от 0 см до 5 см, до соединяющей части, которая соединяет проточный канал для первой смолы и проточный канал для второй смолы, по ходу потока.
12. Способ изготовления многослойного контейнера, содержащего многослойную структуру из трех или более слоев, имеющую по меньшей мере газонепроницаемый слой между самым внутренним слоем и самым наружным слоем, в которой газонепроницаемый слой на участке, образованном из многослойной структуры, имеет часть, имеющую толщину, составляющую от 0,01 до 0,9 от максимальной толщины газонепроницаемого слоя,
при этом способ включает:
выполнение формования посредством использования пресс-формы по п.8 или 9.
13. Способ изготовления многослойного контейнера, содержащего многослойную структуру из трех или более слоев, имеющую по меньшей мере газонепроницаемый слой между самым внутренним слоем и самым наружным слоем, в которой газонепроницаемый слой на участке, образованном из многослойной структуры, имеет часть, имеющую толщину, составляющую от 0,01 до 0,9 от максимальной толщины газонепроницаемого слоя,
при этом способ включает:
образование многослойной преформы посредством использования пресс-формы по п.8 или 9; и затем
выдувное формование преформы.
RU2012149956/05A 2010-04-23 2011-04-15 Многослойный контейнер, пресс-форма для многослойного контейнера и способ изготовления многослойного контейнера RU2570053C2 (ru)

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