JPS6244778B2 - - Google Patents

Info

Publication number
JPS6244778B2
JPS6244778B2 JP57179374A JP17937482A JPS6244778B2 JP S6244778 B2 JPS6244778 B2 JP S6244778B2 JP 57179374 A JP57179374 A JP 57179374A JP 17937482 A JP17937482 A JP 17937482A JP S6244778 B2 JPS6244778 B2 JP S6244778B2
Authority
JP
Japan
Prior art keywords
particles
mold
polyolefin resin
expanded
resin
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.)
Expired
Application number
JP57179374A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5968215A (ja
Inventor
Shohei Yoshimura
Hideki Kuwabara
Tooru Yamaguchi
Yoshimi Sudo
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.)
JSP Corp
Original Assignee
JSP Corp
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 JSP Corp filed Critical JSP Corp
Priority to JP57179374A priority Critical patent/JPS5968215A/ja
Publication of JPS5968215A publication Critical patent/JPS5968215A/ja
Publication of JPS6244778B2 publication Critical patent/JPS6244778B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/3461—Making or treating 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
    • 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

Landscapes

  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP57179374A 1982-10-13 1982-10-13 ポリオレフイン樹脂型内発泡成型体の製造方法 Granted JPS5968215A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57179374A JPS5968215A (ja) 1982-10-13 1982-10-13 ポリオレフイン樹脂型内発泡成型体の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57179374A JPS5968215A (ja) 1982-10-13 1982-10-13 ポリオレフイン樹脂型内発泡成型体の製造方法

Publications (2)

Publication Number Publication Date
JPS5968215A JPS5968215A (ja) 1984-04-18
JPS6244778B2 true JPS6244778B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-09-22

Family

ID=16064732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57179374A Granted JPS5968215A (ja) 1982-10-13 1982-10-13 ポリオレフイン樹脂型内発泡成型体の製造方法

Country Status (1)

Country Link
JP (1) JPS5968215A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002200635A (ja) * 2000-12-28 2002-07-16 Jsp Corp ポリプロピレン系樹脂発泡粒子成形体及びその製造方法
JP2006240284A (ja) * 2005-02-01 2006-09-14 Kaneka Corp 熱可塑性樹脂型内発泡成形体

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128183A (en) * 1990-08-01 1992-07-07 Borden, Inc. Modified polyolefin film with stable twist retention, dead fold properties and barrier characteristics
US6087446A (en) 1996-03-20 2000-07-11 Hercules Incorporated Masterbatch formulations for polyolefin applications
US6255395B1 (en) 1999-03-22 2001-07-03 Hercules Incorporated Masterbatches having high levels of resin
US20190283288A1 (en) * 2016-12-07 2019-09-19 Mitsubishi Electric Corporation Foamed heat-insulating material production method, and foamed heat-insulating material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214739A (en) * 1975-07-21 1977-02-03 Teijin Hercules Kk Process for recovery of terephthalic acid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002200635A (ja) * 2000-12-28 2002-07-16 Jsp Corp ポリプロピレン系樹脂発泡粒子成形体及びその製造方法
JP2006240284A (ja) * 2005-02-01 2006-09-14 Kaneka Corp 熱可塑性樹脂型内発泡成形体

Also Published As

Publication number Publication date
JPS5968215A (ja) 1984-04-18

Similar Documents

Publication Publication Date Title
US4399087A (en) Process for producing foamed polyolefin articles from aged pre-foamed particles of polyolefin resins
JP3782454B2 (ja) ポリプロピレン単独重合体発泡粒子及び発泡粒子成型体
JPS5923731B2 (ja) ポリプロピレン系樹脂予備発泡粒子
JPS5943492B2 (ja) ポリプロピレン系樹脂発泡成型体の製造方法
JPS6234335B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS63183832A (ja) ポリプロピレン系樹脂型内発泡成形体の製造方法
JPH0739501B2 (ja) 無架橋直鎖状低密度ポリエチレン予備発泡粒子
EP0159476B1 (en) Prefoamed particles of crosslinked propylene-type resin and molded article prepared therefrom
WO1998006777A1 (fr) Materiau absorbant les chocs
JP3692760B2 (ja) ポリプロピレン系樹脂型内発泡成形体の製造方法
JP3858517B2 (ja) ポリプロピレン系樹脂予備発泡粒子、およびその予備発泡粒子と型内発泡成形体の製造法
JPH0559139B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6244778B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP3950557B2 (ja) ポリプロピレン系樹脂予備発泡粒子およびそれからの型内発泡成形体の製造方法
JPH01136726A (ja) ポリプロピレン系樹脂の型内発泡成形法
JPS58215326A (ja) ポリオレフイン樹脂型内発泡成型体の製造方法
JPH11156879A (ja) ポリプロピレン系樹脂型内発泡成形体及びその製造方法
JPH0218225B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6344780B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS58215327A (ja) ポリオレフイン樹脂型内発泡成型体の製造法
JPS6020943A (ja) 無架橋のポリエチレン樹脂発泡粒子
JPS6344778B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0355502B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS5851019B2 (ja) ポリオレフィン系樹脂発泡成型体の製造方法
JPS60186533A (ja) 架橋ポリプロピレン系樹脂粒子の製造方法