SG71705A1 - Process for producing expanded molding products having high-density skin - Google Patents

Process for producing expanded molding products having high-density skin

Info

Publication number
SG71705A1
SG71705A1 SG1997001268A SG1997001268A SG71705A1 SG 71705 A1 SG71705 A1 SG 71705A1 SG 1997001268 A SG1997001268 A SG 1997001268A SG 1997001268 A SG1997001268 A SG 1997001268A SG 71705 A1 SG71705 A1 SG 71705A1
Authority
SG
Singapore
Prior art keywords
molding products
producing expanded
expanded molding
density skin
skin
Prior art date
Application number
SG1997001268A
Other languages
English (en)
Inventor
Yukiharu Shindoh
Original Assignee
Mitsubishi Chemical Basf Compa
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 Mitsubishi Chemical Basf Compa filed Critical Mitsubishi Chemical Basf Compa
Publication of SG71705A1 publication Critical patent/SG71705A1/en

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
    • B29C44/36—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
    • 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
    • B29C44/58—Moulds
    • B29C44/583—Moulds for making articles with cavities
    • 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
    • B29C44/58—Moulds
    • B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
    • 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
    • B29C44/60—Measuring, controlling or regulating
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • 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
    • B29K2025/04—Polymers of styrene
    • B29K2025/06—PS, i.e. polystyrene

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
SG1997001268A 1996-04-25 1997-04-22 Process for producing expanded molding products having high-density skin SG71705A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12905996 1996-04-25

Publications (1)

Publication Number Publication Date
SG71705A1 true SG71705A1 (en) 2000-04-18

Family

ID=15000079

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997001268A SG71705A1 (en) 1996-04-25 1997-04-22 Process for producing expanded molding products having high-density skin

Country Status (5)

Country Link
KR (1) KR100463566B1 (ko)
CN (1) CN1083327C (ko)
MY (1) MY117763A (ko)
SG (1) SG71705A1 (ko)
TW (1) TW386059B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101487746B (zh) * 2008-08-29 2011-07-06 深圳市飞荣达科技股份有限公司 Emi产品压缩力测试方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5311994B2 (ko) * 1974-11-13 1978-04-26
JPS5239768A (en) * 1975-09-25 1977-03-28 Daikin Ind Ltd Method of manufacture of drain pan
JPS55148135A (en) * 1979-05-07 1980-11-18 Sekisui Plastics Co Ltd Manufacture of foamed and molded piece with skin
JPS55158940A (en) * 1979-05-28 1980-12-10 Sekisui Plastics Co Ltd Manufacture of foamed body with skin
JPS5831722A (ja) * 1981-08-20 1983-02-24 Daisen Kogyo:Kk 合成樹脂の発泡成形法および発泡成形装置
JPS6250107A (ja) * 1985-06-21 1987-03-04 Toyo Seikan Kaisha Ltd 樹脂供給装置
JPS63260416A (ja) * 1986-04-15 1988-10-27 Japan Styrene Paper Co Ltd 発泡成形体の製造方法
JPH07102422B2 (ja) * 1987-06-22 1995-11-08 日立化成工業株式会社 鋳造法用の消失発泡体模型の成形方法
JPH06278143A (ja) * 1993-03-26 1994-10-04 Kanegafuchi Chem Ind Co Ltd 発泡合成樹脂成形品の成形方法

Also Published As

Publication number Publication date
CN1169365A (zh) 1998-01-07
KR970069295A (ko) 1997-11-07
TW386059B (en) 2000-04-01
MY117763A (en) 2004-08-30
CN1083327C (zh) 2002-04-24
KR100463566B1 (ko) 2005-04-06

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