JPS6123222B2 - - Google Patents

Info

Publication number
JPS6123222B2
JPS6123222B2 JP55061510A JP6151080A JPS6123222B2 JP S6123222 B2 JPS6123222 B2 JP S6123222B2 JP 55061510 A JP55061510 A JP 55061510A JP 6151080 A JP6151080 A JP 6151080A JP S6123222 B2 JPS6123222 B2 JP S6123222B2
Authority
JP
Japan
Prior art keywords
particles
maleic anhydride
mold
expanded particles
styrene
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
JP55061510A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55150330A (en
Inventor
Mutsuhiko Kajimura
Tetsuji Maeda
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.)
Sekisui Kasei Co Ltd
Original Assignee
Sekisui Plastics Co Ltd
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 Sekisui Plastics Co Ltd filed Critical Sekisui Plastics Co Ltd
Priority to JP6151080A priority Critical patent/JPS55150330A/ja
Publication of JPS55150330A publication Critical patent/JPS55150330A/ja
Publication of JPS6123222B2 publication Critical patent/JPS6123222B2/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

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
JP6151080A 1980-05-08 1980-05-08 Manufacturing of foamed molded article Granted JPS55150330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6151080A JPS55150330A (en) 1980-05-08 1980-05-08 Manufacturing of foamed molded article

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6151080A JPS55150330A (en) 1980-05-08 1980-05-08 Manufacturing of foamed molded article

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP54056047A Division JPS6049217B2 (ja) 1979-05-07 1979-05-07 発泡性粒子の製造法

Publications (2)

Publication Number Publication Date
JPS55150330A JPS55150330A (en) 1980-11-22
JPS6123222B2 true JPS6123222B2 (enrdf_load_stackoverflow) 1986-06-04

Family

ID=13173151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6151080A Granted JPS55150330A (en) 1980-05-08 1980-05-08 Manufacturing of foamed molded article

Country Status (1)

Country Link
JP (1) JPS55150330A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS55150330A (en) 1980-11-22

Similar Documents

Publication Publication Date Title
US4303756A (en) Process for producing expandable thermoplastic resin beads
US4303757A (en) Process for producing expandable thermoplastic resin beads using polypropylene as nucleus
EP0294783B1 (en) Expandable thermoplastic resin beads
US4278627A (en) Expandable styrene-maleic anhydride copolymer particles and a process for molding the same
EP0049171B1 (en) Expandable styrene polymer particles, a method of producing the particles and foamed styrene polymer articles obtained from the particles
WO1990008803A1 (en) Foamable thermoplastic polymers and a method for foaming
EP0518140A1 (en) Process for producing foamable particles of styrenic polymers
JP2004155870A (ja) 建材用発泡性スチレン系樹脂粒子及びその発泡成形体
JPH0598062A (ja) 発泡性スチレン系樹脂粒子およびその製造方法
JPS6123222B2 (enrdf_load_stackoverflow)
US5008298A (en) Expandable thermoplastic resin beads
CA1120650A (en) Process for producing expandable thermoplastic resin beads
JPH0791407B2 (ja) 難燃性発泡性樹脂粒子の製造法
US3742103A (en) Method for preparing and molding expandable, non-equimolar styrene-maleic acid half ester copolymer particles
JP4065795B2 (ja) 耐熱性スチレン系樹脂発泡成形体
KR20010073163A (ko) 팽창가능한 폴리비닐아렌 입자의 제조방법
JP2798572B2 (ja) 再生発泡ポリスチレン系樹脂成形体の製造方法
JP2637664B2 (ja) 再生発泡ポリスチレン系樹脂成形体の製造方法
JP2002356576A (ja) スチレン系樹脂予備発泡粒子、その製造方法および発泡成形体
JPS5928582B2 (ja) 発泡性重合体粒子の製造方法
JPH10226016A (ja) 断熱パネルとこのパネルを使用したコンクリート養生室
JPS595135B2 (ja) 改良された発泡性ポリスチレン系樹脂粒子の製造方法
JPS59230013A (ja) 改質ポリオレフイン系重合体粒子の製法
JPS6337140A (ja) 発泡性スチレン系共重合粒子及びその製造法
JPS6021646B2 (ja) 難燃性熱可塑性樹脂粒子およびその製造方法