NO762577L - - Google Patents
Info
- Publication number
- NO762577L NO762577L NO762577A NO762577A NO762577L NO 762577 L NO762577 L NO 762577L NO 762577 A NO762577 A NO 762577A NO 762577 A NO762577 A NO 762577A NO 762577 L NO762577 L NO 762577L
- Authority
- NO
- Norway
- Prior art keywords
- stated
- weight
- sheet
- polypropylene
- percent
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 27
- 229920001155 polypropylene Polymers 0.000 claims description 22
- 239000004743 Polypropylene Substances 0.000 claims description 21
- -1 polypropylene Polymers 0.000 claims description 20
- 239000004793 Polystyrene Substances 0.000 claims description 13
- 229920002223 polystyrene Polymers 0.000 claims description 13
- 229920005653 propylene-ethylene copolymer Polymers 0.000 claims description 13
- 229920001169 thermoplastic Polymers 0.000 claims description 9
- 239000000454 talc Substances 0.000 claims description 8
- 229910052623 talc Inorganic materials 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims 4
- 125000005521 carbonamide group Chemical group 0.000 claims 1
- 239000004156 Azodicarbonamide Substances 0.000 description 6
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 6
- 235000019399 azodicarbonamide Nutrition 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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
- B29C44/56—After-treatment of articles, e.g. for altering the shape
-
- 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
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
- B29C44/505—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat die
-
- 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
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
-
- 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
- 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
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/008—Wide strips, e.g. films, webs
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7523222A FR2318725A1 (fr) | 1975-07-24 | 1975-07-24 | Procede d'obtention d'une feuille en polypropylene allege et feuille obtenue par ce procede |
FR7610740A FR2348039A2 (fr) | 1976-04-12 | 1976-04-12 | Procede d'obtention d'une feuille en polypropylene allege et feuille obtenue par ce procede |
Publications (1)
Publication Number | Publication Date |
---|---|
NO762577L true NO762577L (pt) | 1977-01-25 |
Family
ID=26218997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO762577A NO762577L (pt) | 1975-07-24 | 1976-07-23 |
Country Status (10)
Country | Link |
---|---|
BR (1) | BR7604748A (pt) |
DE (1) | DE2633307A1 (pt) |
DK (1) | DK335376A (pt) |
ES (1) | ES450072A1 (pt) |
FI (1) | FI762121A (pt) |
IT (1) | IT1064130B (pt) |
LU (1) | LU75415A1 (pt) |
NL (1) | NL7608100A (pt) |
NO (1) | NO762577L (pt) |
PT (1) | PT65356B (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0725916B2 (ja) * | 1987-04-13 | 1995-03-22 | 三菱油化株式会社 | ポリプロピレン発泡体の製造方法 |
US5116881A (en) * | 1990-03-14 | 1992-05-26 | James River Corporation Of Virginia | Polypropylene foam sheets |
-
1976
- 1976-07-12 PT PT65356A patent/PT65356B/pt unknown
- 1976-07-16 IT IT50483/76A patent/IT1064130B/it active
- 1976-07-19 LU LU75415A patent/LU75415A1/xx unknown
- 1976-07-21 BR BR7604748A patent/BR7604748A/pt unknown
- 1976-07-22 NL NL7608100A patent/NL7608100A/xx not_active Application Discontinuation
- 1976-07-23 NO NO762577A patent/NO762577L/no unknown
- 1976-07-23 DE DE19762633307 patent/DE2633307A1/de active Pending
- 1976-07-23 DK DK335376A patent/DK335376A/da unknown
- 1976-07-23 ES ES450072A patent/ES450072A1/es not_active Expired
- 1976-07-23 FI FI762121A patent/FI762121A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
PT65356A (fr) | 1976-08-01 |
BR7604748A (pt) | 1977-08-02 |
DK335376A (da) | 1977-01-25 |
ES450072A1 (es) | 1977-07-16 |
IT1064130B (it) | 1985-02-18 |
DE2633307A1 (de) | 1977-02-10 |
NL7608100A (nl) | 1977-01-26 |
PT65356B (fr) | 1978-01-09 |
LU75415A1 (pt) | 1977-04-06 |
FI762121A (pt) | 1977-01-25 |
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