JPS57189812A - Manufacture of thin vessel - Google Patents

Manufacture of thin vessel

Info

Publication number
JPS57189812A
JPS57189812A JP7543781A JP7543781A JPS57189812A JP S57189812 A JPS57189812 A JP S57189812A JP 7543781 A JP7543781 A JP 7543781A JP 7543781 A JP7543781 A JP 7543781A JP S57189812 A JPS57189812 A JP S57189812A
Authority
JP
Japan
Prior art keywords
silica
talc
range
vessel
slidability
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.)
Pending
Application number
JP7543781A
Other languages
Japanese (ja)
Inventor
Kazuhiro Fujiwara
Kazumasa Fujimura
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.)
Mitsubishi Petrochemical Co Ltd
Original Assignee
Mitsubishi Petrochemical 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 Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Priority to JP7543781A priority Critical patent/JPS57189812A/en
Publication of JPS57189812A publication Critical patent/JPS57189812A/en
Pending 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/08—Copolymers of ethylene
    • B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To obtain a thin vessel improved in slidability without deteriorating transparency and heat seal property by molding a thin vessel with propylene composite sheet containing silica or talc and fatty acid. CONSTITUTION:A thin vessel is molded with a sheet with a 0.2-1mm. thickness of propylene copolymer containing 0.05-0.5pts.wt. of silica or talc with an average particle size of 2-50mu to 100pts.wt. of propylene copolymer. When the average particle size of silica, talc exceeds said range, particles of silica, talc are relieved on the surface of a molded sheet to give a bad surface condition and when it does not reach the range, slidability does not exhibit enough improved effect. When the mixing rate of silica, talc exceeds said range, the permeability of the vessel is deteriorated and when it does not reach the range, the slidability becomes insufficient.
JP7543781A 1981-05-19 1981-05-19 Manufacture of thin vessel Pending JPS57189812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7543781A JPS57189812A (en) 1981-05-19 1981-05-19 Manufacture of thin vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7543781A JPS57189812A (en) 1981-05-19 1981-05-19 Manufacture of thin vessel

Publications (1)

Publication Number Publication Date
JPS57189812A true JPS57189812A (en) 1982-11-22

Family

ID=13576202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7543781A Pending JPS57189812A (en) 1981-05-19 1981-05-19 Manufacture of thin vessel

Country Status (1)

Country Link
JP (1) JPS57189812A (en)

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