KR950003323A - 발포성스티렌계수지입자 및 그 입자로부터 얻어지는 발포성형체 - Google Patents

발포성스티렌계수지입자 및 그 입자로부터 얻어지는 발포성형체 Download PDF

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KR950003323A
KR950003323A KR1019940018550A KR19940018550A KR950003323A KR 950003323 A KR950003323 A KR 950003323A KR 1019940018550 A KR1019940018550 A KR 1019940018550A KR 19940018550 A KR19940018550 A KR 19940018550A KR 950003323 A KR950003323 A KR 950003323A
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styrene
resin particles
particles
styrene resin
blowing agent
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KR1019940018550A
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이꾸오 모리오까
히로유끼 야마가따
무쓰히꼬 시마다
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간난 아끼라
세끼스이 가세이힌 고오교 가부시끼가이샤
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Publication of KR950003323A publication Critical patent/KR950003323A/ko

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16—Making expandable particles
    • C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent
    • 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
    • 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
    • B65D81/02—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 specially adapted to protect contents from mechanical damage
    • B65D81/05—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/09—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 specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using flowable discrete elements of shock-absorbing material, e.g. pellets or popcorn
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
    • C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
    • C08J9/141—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16—Making expandable particles
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2351/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2351/04—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to rubbers
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • 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
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    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249954—With chemically effective material or specified gas other than air, N, or carbon dioxide in void-containing component
    • 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
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249976—Voids specified as closed
    • Y10T428/249977—Specified thickness of void-containing component [absolute or relative], numerical cell dimension or density
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    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
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    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous material
    • 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
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    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • 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
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Graft Or Block Polymers (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야
우수한 탄성, 내충격성을 갖고 완충포장재, 단열재 등에 적절히 사용되는 스티렌계수지발포성형체 및 이성형체의 제조에 사용되는 발포성스티렌계수지입자 및 성형체의 제조방법.
2. 발명이 해결하려고 하는 기술적 과제
발포제로서 n-펜탄을 주성분으로 하고 부타디엔으로 개질된 스티렌계수지로서, 고시스폴리부타디엔의 존재하에 스티렌계단량체를 그라프트중합하여 얻어진 수지를 사용하여 숙성완료후의 예비발포입자의 기포미세화현상의 개선과 탄성, 내충격성의 향상.
3. 발명의 해결방법의 요지
기존수지입자가 고시스폴리부타디엔과 스티렌계단량체의 그라프트중합으로 얻어지는 스티렌계수지입자로서, 발포제가 n-펜탄을 주성분으로 하고 발포후의 성형체가 0.015~0.040g/㎤의 밀도, 60~300㎛의 평균기포경, 50% 이상의 독립기포율을 갖는 스티렌계수지발포성형체를 제공.
4. 발명의 중요한 용도
탄성, 내충격성을 필요로 하는 각종 OA기기, 오디오기기, 가전제품 등의 완충포장재 또는 단열재.

Description

발포성스티렌계수지입자 및 그 입자로부터 얻어지는 발포성형체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (11)

  1. 기본수지입자가, 고시스폴리부타디엔과 스티렌단량체와의 그라프트중합으로 얻어지는 스티렌계수지입자이며, 발포제가 N-펜탄을 주성분으로 함유하고, 발포후의 성형체가 0.015~0.040g/㎠의 밀도, 60-300㎛의 평균기포경, 50% 이상의 독립기포율을 갖는 것을 특징으로 하는 스티렌계수지발포성형체.
  2. 제1항에 있어서, 기본수지입자가 고시스폴리부타디엔성분을 6~15중량% 함유하는 스티렌계수지발포성형체.
  3. 제1항에 있어서, 고시스폴리부타디엔이 시스-1,4-결합을 80중량% 이상 함유하는 스티렌계수지발포성형체.
  4. 제1항에 있어서, 기본수지입자가, 스티렌계단량체와 고시스폴리부타디엔과의 그라프트중합으로 형성되고, 스티렌계단량체가 스티렌단량체단독 또는 스티렌단량체와 아크릴로니트릴, 메타크릴로니트릴, 아크릴산, 메타크릴산, 메타크릴산메틸 또는 무수말레인산과의 혼합물인 스티렌계수지발포성형체.
  5. 제1항에 있어서, 발포성형체가 0.2~4.0중량%인 발포제를 함유하는 스티렌계수지발포성형체.
  6. 제1항에 있어서, 성형체가 완충포장재의 형태인 스티렌계수지발포성형체.
  7. 제1항의 스티렌계수지발포성형체에 사용되고, 기본수지입자가 고시스폴리부타디엔과 스티렌계단량체와의 그라프트중합으로 얻어지는 스티렌계수지입자이고 발포제가 n-펜탄을 주성분으로하여 스티렌계수지입자에 3~10중량% 함유하여 된 발포성스티렌계수지입자.
  8. 제7항에 있어서, 발포제가 70중량% 또는 그 이상의 n-펜탄을 함유하는 발포성스티렌계수지입자.
  9. 제1항의 스티렌계수지발포성형체의 제조방법으로서, 고시스폴리부타디엔과 스티렌계단량체와의 그라프트중합으로 얻어진 스티렌계수지입자를 수성매체중에 현탁시키고 n-펜탄을 주성분으로 하는 발포제의 존재하에, 100~150℃의 온도에서 상기 수지입자에 발포제를 함침시켜 발포제를 수지입자중 3~10중량% 함유하는 발포성스티렌계수지입자를 얻은후, 이것을 예비발포시켜 예비발포입자를 얻고, 이어서 이 발포입자를 원하는 금형내에서 발포성형하는 것으로 된 발포성형체의 제조방법.
  10. 제9항에 있어서, 스티렌계수지입자가 원추형 펠릿형태인 발포성형체의 제조방법.
  11. 제9항에 있어서, 발포성스티렌계수지입자가 구형의 입자형태인 발포성형체의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940018550A 1993-07-30 1994-07-29 발포성스티렌계수지입자 및 그 입자로부터 얻어지는 발포성형체 KR950003323A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP93-189678 1993-07-30
JP18967893 1993-07-30
JP15887994A JP2983435B2 (ja) 1993-07-30 1994-07-11 発泡性スチレン系樹脂粒子及び該粒子から得られるスチレン系樹脂発泡成形体
JP94-158879 1994-07-11

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KR950003323A true KR950003323A (ko) 1995-02-16

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US (2) US5580649A (ko)
JP (1) JP2983435B2 (ko)
KR (1) KR950003323A (ko)
CA (1) CA2129180A1 (ko)
DE (1) DE4427014A1 (ko)
FR (1) FR2708617B1 (ko)
GB (1) GB2281565B (ko)
TW (1) TW282473B (ko)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2005105404A1 (en) * 2004-05-03 2005-11-10 Polma Co., Ltd. Molding method and apparatus for expandable polymer resin

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Publication number Priority date Publication date Assignee Title
US5661191A (en) * 1995-01-13 1997-08-26 Mitsubishi Chemical Basf Company Limited Expandable rubber-modified styrene resin beads, expanded beads thereof, and expanded molded articles obtained therefrom
DE29703078U1 (de) * 1997-02-21 1998-09-17 roweform Kunststoffe GmbH & Co. KG, 55776 Ruschberg Material zur Herstellung von Baumaterialien insbesondere in Plattenform
JP3653393B2 (ja) 1997-09-12 2005-05-25 株式会社ジェイエスピー 発泡性ゴム変性スチレン系樹脂組成物
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GB2281565B (en) 1997-11-12
GB2281565A (en) 1995-03-08
FR2708617B1 (fr) 1998-09-11
FR2708617A1 (fr) 1995-02-10
TW282473B (ko) 1996-08-01
DE4427014A1 (de) 1995-02-09
US5683637A (en) 1997-11-04
JPH0790105A (ja) 1995-04-04
JP2983435B2 (ja) 1999-11-29
US5580649A (en) 1996-12-03
CA2129180A1 (en) 1995-01-31

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