JPS57142321A - Preparation of extruded sheet or film - Google Patents
Preparation of extruded sheet or filmInfo
- 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
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.
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) |
-
1981
- 1981-09-12 JP JP56144368A patent/JPS57142321A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS629009B2 (en) | 1987-02-26 |
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