JPS57142321A - Preparation of extruded sheet or film - Google Patents

Preparation of extruded sheet or film

Info

Publication number
JPS57142321A
JPS57142321A JP56144368A JP14436881A JPS57142321A JP S57142321 A JPS57142321 A JP S57142321A JP 56144368 A JP56144368 A JP 56144368A JP 14436881 A JP14436881 A JP 14436881A JP S57142321 A JPS57142321 A JP S57142321A
Authority
JP
Japan
Prior art keywords
polymer
compound
kneaded
lowered
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.)
Granted
Application number
JP56144368A
Other languages
Japanese (ja)
Other versions
JPS629009B2 (en
Inventor
Noboru Iwato
Sadao Kataoka
Hiroyasu Kitagami
Makoto Noguchi
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.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
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 Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP56144368A priority Critical patent/JPS57142321A/en
Publication of JPS57142321A publication Critical patent/JPS57142321A/en
Publication of JPS629009B2 publication Critical patent/JPS629009B2/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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; 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
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE:To obtain the titled molded product excellent in impact strength, flexural rigidity and surface gloss by a method wherein a styrenic polymer, a styrene- butadiene block copolymer, an olefinic polymer and an inorg. compound are kneaded and the kneaded compound is molded by extrusion. CONSTITUTION:A resin composition containing 30-80wt% styrenic polymer, 2-15wt% styrene-butadiene block copolymer, 2-15wt% olefinic polymer and 15-50wt% inorg. compound as main ingredients is homogenously kneaded by a kneader and the resulting kneaded compound is molded by an extruder to obtain a sheet or a film. When the styrenic polymer exceeds 80wt%, the molded product is made hard and britle and, when said styrene polymer is less than 30wt%, self-supporting property thereof is made weak. When the aforementioned copolymer exceeds 15wt%, flexural rigidity is lowered and, when less than 2wt%, impact strength is lowered. When the olefinic polymer exceeds 15wt%, the lowering of flexural rigidity and the release between resin layers are occurred and, when less than 2wt%, impact strength is lowered.
JP56144368A 1981-09-12 1981-09-12 Preparation of extruded sheet or film Granted JPS57142321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56144368A JPS57142321A (en) 1981-09-12 1981-09-12 Preparation of extruded sheet or film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56144368A JPS57142321A (en) 1981-09-12 1981-09-12 Preparation of extruded sheet or film

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP3834879A Division JPS55131034A (en) 1979-04-02 1979-04-02 Resin composition

Publications (2)

Publication Number Publication Date
JPS57142321A true JPS57142321A (en) 1982-09-03
JPS629009B2 JPS629009B2 (en) 1987-02-26

Family

ID=15360483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56144368A Granted JPS57142321A (en) 1981-09-12 1981-09-12 Preparation of extruded sheet or film

Country Status (1)

Country Link
JP (1) JPS57142321A (en)

Also Published As

Publication number Publication date
JPS629009B2 (en) 1987-02-26

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