KR880009779A - 직쇄저밀도 폴리에틸렌 수지형내 발포성형체의 제조방법 - Google Patents

직쇄저밀도 폴리에틸렌 수지형내 발포성형체의 제조방법 Download PDF

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KR880009779A
KR880009779A KR1019880001728A KR880001728A KR880009779A KR 880009779 A KR880009779 A KR 880009779A KR 1019880001728 A KR1019880001728 A KR 1019880001728A KR 880001728 A KR880001728 A KR 880001728A KR 880009779 A KR880009779 A KR 880009779A
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polyethylene resin
density polyethylene
mold
low density
linear low
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KR1019880001728A
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KR960013071B1 (ko
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히로후미 마에다
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니이노 마비또
가네가후찌 가가꾸 고오교오 가부시끼가이샤
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    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • 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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/228—Forming foamed products
    • C08J9/232—Forming foamed products by sintering expandable particles
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • 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
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • 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
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/09—Pre-expansion of foamed polystyrene
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/13—Cell size and distribution control while molding a foam
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/15—Aging of foamed resin products

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

내용 없음.

Description

직쇄저밀도 폴리에틸렌 수지형내 발포성형체의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 시차주사 열량계로 측정했을때 2개의 융점을 갖는 예비발포 직쇄 저밀도 폴리에틸렌 수지입자를 압축하고, 상기 2개의 융점간에 저온측에서의 융점과 고온측에서의 융점을 각각 TM L및 TM H라 표시하고 기체 압력하에서 5%AH/AL 80%를 만족하는 상기 TM L에서의 피이크 용융 면적을 AL이라고 하고 상기 TM H에서의 피이크 용융면적을 AH라 할때 폐쇄 가능하지만 밀폐 불가능한 금형에 상기 압축입자로 채운후, 상기 금형으로부터 기체를 빼고, 증기로 가열하기 직전의 예비발포입자 대 초기의 예비발포입자의 압축비를 5 내지 60%로 유지시키는 상태에서 증기로 가열 용융하므로써 상기 금형의 성형체를 제조하는 것으로 구성되는 것을 특징으로 하는 직쇄 저밀도 폴리에틸렌 수지형내 발포성형체의 제조방법.
  2. 제1항에 있어서, 상기 직쇄 저밀도 폴리에틸렌 수지가 융점이 115 내지 130℃, 밀도가 0.915 내지 0.940g/cm3, MI가 0.1 내지 5g/10mins인 에틸렌과 4 내지 10개의 탄소원자를 갖는 α-올레핀과의 공중합체인 것을 특징으로 하는 방법.
  3. 제2항에 있어서, 상기 4내지 10개의 탄소원자를 갖는 α-올레핀이 1-부텐, 1-펜텐, 1-헥센, 3, 3-디메틸-1-부텐, 4-메틸-1-펜텐, 4, 4-디메틸-1-펜텐 및 1-옥텐으로부터 선택되는 적어도 하나의 구성원인 것을 특징으로 하는 방법.
  4. 제1항 또는 제3항에 있어서, 상기 직쇄 저밀도 폴리에틸렌수지가 페놀형 산화방지제 및 인형 산화 방지제로부터 선택되는 적어도 하나의 구성원을 상기 폴리에틸렌수지에 기준하여 0.01 내지 0.5중량%의 양으로 포함하는 것을 특징으로 하는 방법.
  5. 제1항에 있어서, 상기 직쇄 저밀도 폴리에틸렌 수지입자가 0.5 내지 20mg/입자의 입자 중량을 갖는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880001728A 1987-02-20 1988-02-19 직쇄저밀도 폴리에틸렌 수지형내 발포성형체의 제조방법 Expired - Lifetime KR960013071B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62038844A JPH0629334B2 (ja) 1987-02-20 1987-02-20 直鎖低密度ポリエチレン樹脂型内発泡成形体の製造方法
JP62-38844 1987-02-20
JP?62-38844 1987-02-20

Publications (2)

Publication Number Publication Date
KR880009779A true KR880009779A (ko) 1988-10-05
KR960013071B1 KR960013071B1 (ko) 1996-09-30

Family

ID=12536505

Family Applications (1)

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KR1019880001728A Expired - Lifetime KR960013071B1 (ko) 1987-02-20 1988-02-19 직쇄저밀도 폴리에틸렌 수지형내 발포성형체의 제조방법

Country Status (10)

Country Link
US (1) US4861531A (ko)
EP (1) EP0279455B1 (ko)
JP (1) JPH0629334B2 (ko)
KR (1) KR960013071B1 (ko)
CA (1) CA1288568C (ko)
DE (1) DE3882546T2 (ko)
DK (1) DK87088A (ko)
ES (1) ES2043699T3 (ko)
FI (1) FI880737A7 (ko)
NO (1) NO880712L (ko)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5026736A (en) * 1987-02-24 1991-06-25 Astro-Valcour, Inc. Moldable shrunken thermoplastic polymer foam beads
JPH0739501B2 (ja) * 1987-06-23 1995-05-01 日本スチレンペ−パ−株式会社 無架橋直鎖状低密度ポリエチレン予備発泡粒子
JP2709395B2 (ja) * 1988-08-04 1998-02-04 株式会社ジェイエスピー 発泡用無架橋直鎖状低密度ポリエチレン樹脂粒子及び無架橋直鎖状低密度ポリエチレン発泡粒子の製造方法
US5728406A (en) * 1989-07-11 1998-03-17 Amesbury Group, Inc. Apparatus for extruding a low density thermoplastic foam
EP0434024B1 (en) * 1989-12-21 1995-03-08 Jsp Corporation Molding apparatus and its use for a production process of expansion-molded articles
WO1992002358A1 (fr) * 1990-08-06 1992-02-20 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Piece moulee expansee en resine synthetique olefinique et procede de fabrication correspondant
DK0603183T3 (da) * 1991-04-23 1999-12-13 Amesbury Group Inc Fremgangsmåde til ekstrudering af lavdensitetsskum ved anvendelse af vand som blæsemiddel
US5389320A (en) * 1991-10-28 1995-02-14 General Electric Company Method of making expandable polyphenylene ether and polyolefin blend
JP2878527B2 (ja) * 1992-06-22 1999-04-05 鐘淵化学工業株式会社 ポリエチレン系樹脂予備発泡粒子
JP3279382B2 (ja) * 1993-03-17 2002-04-30 株式会社ジエイエスピー 無架橋ポリエチレン系樹脂発泡粒子及びその製造方法
EP0738294B1 (en) * 1993-04-28 2000-11-29 The Dow Chemical Company Process for making cross-linked ethylenic polymer foam structures
KR0159801B1 (ko) * 1994-08-06 1999-01-15 박원배 폴리올레핀계 수지의 미세 셀 예비 발포체 및 그의 제조 방법
US6028121A (en) * 1995-11-15 2000-02-22 Asahi Kasei Kogyo Kabushiki Kaisha Pre-expanded polyethylene beads and process for producing the same thereof
US5883141A (en) * 1997-03-25 1999-03-16 Kaneka Corporation Process for preparing polyolefin resin pre-expanded particles
JP3582335B2 (ja) * 1997-12-15 2004-10-27 鐘淵化学工業株式会社 無架橋直鎖状低密度ポリエチレン系樹脂予備発泡粒子およびその製造方法
JP4519335B2 (ja) * 2001-02-01 2010-08-04 株式会社カネカ ポリオレフィン系樹脂予備発泡粒子およびその製造方法
JP3948512B2 (ja) 2001-10-29 2007-07-25 日鉄鉱業株式会社 耐熱性フィルタエレメント及びその製造方法
JP4605697B2 (ja) * 2003-11-04 2011-01-05 株式会社ジェイエスピー 成形用無架橋ポリエチレン系樹脂押出発泡体及びその成形体
JP6084046B2 (ja) * 2013-01-22 2017-02-22 株式会社カネカ ポリエチレン系樹脂発泡粒子およびポリエチレン系樹脂型内発泡成形体およびその製造方法
DK3294049T3 (da) 2015-05-11 2021-05-25 Msr Tech Aps Landbrugsredskab til anvendelse på en mark omfattende allerede forberedte spor.

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IT1008525B (it) * 1972-12-19 1976-11-30 Kanegafuchi Chemical Ind Collegamento di sci a blocco ad inerzia metodo ed apparecchio di stampag gio per resine poliolefiniche espanse
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Also Published As

Publication number Publication date
FI880737A7 (fi) 1988-08-21
JPS63205331A (ja) 1988-08-24
US4861531A (en) 1989-08-29
DE3882546T2 (de) 1994-02-17
DK87088D0 (da) 1988-02-19
CA1288568C (en) 1991-09-10
FI880737A0 (fi) 1988-02-17
EP0279455B1 (en) 1993-07-28
EP0279455A2 (en) 1988-08-24
DE3882546D1 (de) 1993-09-02
JPH0629334B2 (ja) 1994-04-20
NO880712D0 (no) 1988-02-18
ES2043699T3 (es) 1994-01-01
KR960013071B1 (ko) 1996-09-30
EP0279455A3 (en) 1990-12-27
NO880712L (no) 1988-08-22
DK87088A (da) 1988-08-21

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