DE2536305A1 - Gereckte polyolefinfolien mit im wesentlichen gleichmaessiger zellstruktur und verfahren zu ihrer herstellung - Google Patents
Gereckte polyolefinfolien mit im wesentlichen gleichmaessiger zellstruktur und verfahren zu ihrer herstellungInfo
- Publication number
- DE2536305A1 DE2536305A1 DE19752536305 DE2536305A DE2536305A1 DE 2536305 A1 DE2536305 A1 DE 2536305A1 DE 19752536305 DE19752536305 DE 19752536305 DE 2536305 A DE2536305 A DE 2536305A DE 2536305 A1 DE2536305 A1 DE 2536305A1
- Authority
- DE
- Germany
- Prior art keywords
- polyolefin
- film
- density
- cells
- cellular
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 49
- 230000008569 process Effects 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229920000098 polyolefin Polymers 0.000 claims description 81
- 230000001413 cellular effect Effects 0.000 claims description 64
- 229920000573 polyethylene Polymers 0.000 claims description 28
- 239000003380 propellant Substances 0.000 claims description 28
- 238000001125 extrusion Methods 0.000 claims description 23
- 230000035699 permeability Effects 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 18
- 239000004604 Blowing Agent Substances 0.000 claims description 17
- 239000000654 additive Substances 0.000 claims description 15
- 238000000465 moulding Methods 0.000 claims description 15
- -1 aryl sulfonic acid derivative Chemical class 0.000 claims description 14
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 9
- 239000004156 Azodicarbonamide Substances 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000002666 chemical blowing agent Substances 0.000 claims description 7
- 239000000049 pigment Substances 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 230000002730 additional effect Effects 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 150000004668 long chain fatty acids Chemical class 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims 1
- 239000011888 foil Substances 0.000 description 22
- 239000000203 mixture Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- 239000000155 melt Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 10
- 239000004698 Polyethylene Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 229940057995 liquid paraffin Drugs 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 6
- 239000004700 high-density polyethylene Substances 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 229920001903 high density polyethylene Polymers 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- OEBRKCOSUFCWJD-UHFFFAOYSA-N dichlorvos Chemical compound COP(=O)(OC)OC=C(Cl)Cl OEBRKCOSUFCWJD-UHFFFAOYSA-N 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000386 microscopy Methods 0.000 description 2
- UTOPWMOLSKOLTQ-UHFFFAOYSA-N octacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O UTOPWMOLSKOLTQ-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000003825 pressing Methods 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
- 229920002545 silicone oil Polymers 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- 229920002160 Celluloid Polymers 0.000 description 1
- 241000251730 Chondrichthyes Species 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 229920006257 Heat-shrinkable film Polymers 0.000 description 1
- WTDRDQBEARUVNC-LURJTMIESA-N L-DOPA Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-LURJTMIESA-N 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- VRFNYSYURHAPFL-UHFFFAOYSA-N [(4-methylphenyl)sulfonylamino]urea Chemical compound CC1=CC=C(S(=O)(=O)NNC(N)=O)C=C1 VRFNYSYURHAPFL-UHFFFAOYSA-N 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000011872 intimate mixture Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 235000013872 montan acid ester Nutrition 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000002374 sebum Anatomy 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
- B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4246074 | 1974-09-30 | ||
| GB35781/74A GB1525224A (en) | 1975-08-14 | 1975-08-14 | Cellular polymer films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2536305A1 true DE2536305A1 (de) | 1976-02-26 |
Family
ID=26262858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752536305 Ceased DE2536305A1 (de) | 1974-09-30 | 1975-08-14 | Gereckte polyolefinfolien mit im wesentlichen gleichmaessiger zellstruktur und verfahren zu ihrer herstellung |
Country Status (6)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0186020A1 (de) * | 1984-12-22 | 1986-07-02 | Beiersdorf Aktiengesellschaft | Verfahren zur Herstellung von Tragegriffen |
| WO1989000918A3 (en) * | 1987-07-29 | 1989-03-09 | Massachusetts Inst Technology | A method of producing microcellular foams and microcellular foams of semi-crystalline polymeric materials |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162639A (en) * | 1980-05-21 | 1981-12-14 | Sumitomo Bakelite Co | Multilayer plastic film and its manufacture |
| CA1191775A (en) * | 1981-02-23 | 1985-08-13 | Douglas K. Gatward | Sheet material |
| JPS59176335A (ja) * | 1983-02-15 | 1984-10-05 | Chisso Corp | 熱収縮性発泡フイルム及びその製造方法 |
| US5139804A (en) * | 1987-05-14 | 1992-08-18 | Plicon, Inc. | Patterned adherent film structures and process for making |
| US5160674A (en) * | 1987-07-29 | 1992-11-03 | Massachusetts Institute Of Technology | Microcellular foams of semi-crystaline polymeric materials |
| US5807630A (en) * | 1990-08-10 | 1998-09-15 | Commonwealth Scientific And Industrial Research Organisation | Controlled permeability film |
| US5891376A (en) * | 1993-09-17 | 1999-04-06 | Commonwealth Scientific And Industrial Research Organisation | Film process |
| US5754643A (en) * | 1995-10-02 | 1998-05-19 | Lucent Technologies Inc. | Weatherable outside electronic device enclosure |
| CA2241609C (en) * | 1997-06-26 | 2009-08-25 | Southpac Trust International, Inc. | Polymeric material having a cloth-like appearance |
| US6706223B1 (en) * | 1997-12-19 | 2004-03-16 | Trexel, Inc. | Microcelluar extrusion/blow molding process and article made thereby |
| AU1933799A (en) | 1997-12-19 | 1999-07-12 | Trexel, Inc. | Microcellular foam extrusion/blow molding process and article made thereby |
| US6468451B1 (en) | 2000-06-23 | 2002-10-22 | 3M Innovative Properties Company | Method of making a fibrillated article |
| DE60121779T2 (de) * | 2000-08-29 | 2007-08-09 | Sekisui Chemical Co., Ltd. | Hochdruck verbundrohr und verfahren zur herstellung des rohres |
| US6680114B2 (en) | 2001-05-15 | 2004-01-20 | 3M Innovative Properties Company | Fibrous films and articles from microlayer substrates |
| US20030211310A1 (en) * | 2001-06-21 | 2003-11-13 | Haas Christopher K. | Foam and method of making |
| US20030093171A1 (en) * | 2001-07-19 | 2003-05-15 | Creative Edge Design Group, Ltd. | Flexible label printing assembly |
| US7618757B2 (en) * | 2005-05-11 | 2009-11-17 | Xerox Corporation | Imaging member having first and second charge transport layers |
| US7563549B2 (en) * | 2005-05-20 | 2009-07-21 | Xerox Corporation | Imaging member |
| US7439002B2 (en) * | 2005-07-12 | 2008-10-21 | Xerox Corporation | Imaging members |
| US7632617B2 (en) * | 2005-07-19 | 2009-12-15 | Xerox Corporation | Silane-phenol compound, overcoat formulation, and electrophotographic imaging member |
| US7470493B2 (en) * | 2005-07-19 | 2008-12-30 | Xerox Corporation | Imaging member |
| US8529817B2 (en) * | 2007-10-02 | 2013-09-10 | Sekisui Chemical Co., Ltd. | Stretched thermoplastic resin foam sheet and process for production of the same |
| BR112013032423A2 (pt) | 2011-06-17 | 2017-01-17 | Berry Plastics Corp | luva isolante para um copo |
| HK1213530A1 (zh) | 2013-03-14 | 2016-07-08 | 比瑞塑料公司 | 容器 |
| CA2917475A1 (en) | 2013-07-12 | 2015-01-15 | Berry Plastics Corporation | Polymeric material for container |
| TW201522445A (zh) | 2013-08-16 | 2015-06-16 | Berry Plastics Corp | 用於絕熱容器之聚合材料 |
| JP2016529374A (ja) | 2013-08-26 | 2016-09-23 | ベリー プラスチックス コーポレイション | 容器のためのポリマー材料 |
| TW201521993A (zh) | 2013-08-30 | 2015-06-16 | Berry Plastics Corp | 用於容器之聚合材料 |
| US9937652B2 (en) | 2015-03-04 | 2018-04-10 | Berry Plastics Corporation | Polymeric material for container |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1428652A (fr) * | 1964-03-03 | 1966-02-18 | Haveg Industries Inc | Mousse de polymère thermoplastique étirée puis contractée à chaud |
| NL6503780A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1965-03-25 | 1966-09-26 | ||
| FR1490610A (fr) * | 1966-06-13 | 1967-08-04 | Pechiney Saint Gobain | Procédé de fabrication de produits peréables à l'eau |
-
1975
- 1975-08-13 AU AU83934/75A patent/AU8393475A/en not_active Expired
- 1975-08-14 JP JP9901875A patent/JPS5145172A/ja active Pending
- 1975-08-14 FR FR7525363A patent/FR2281821A1/fr active Granted
- 1975-08-14 CA CA233,497A patent/CA1062419A/en not_active Expired
- 1975-08-14 DE DE19752536305 patent/DE2536305A1/de not_active Ceased
-
1979
- 1979-09-20 US US06/077,187 patent/US4264672A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0186020A1 (de) * | 1984-12-22 | 1986-07-02 | Beiersdorf Aktiengesellschaft | Verfahren zur Herstellung von Tragegriffen |
| WO1989000918A3 (en) * | 1987-07-29 | 1989-03-09 | Massachusetts Inst Technology | A method of producing microcellular foams and microcellular foams of semi-crystalline polymeric materials |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2281821B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1979-05-25 |
| FR2281821A1 (fr) | 1976-03-12 |
| CA1062419A (en) | 1979-09-18 |
| US4264672A (en) | 1981-04-28 |
| AU8393475A (en) | 1977-02-17 |
| JPS5145172A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-04-17 |
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| 8110 | Request for examination paragraph 44 | ||
| 8131 | Rejection |