CA1062419A - Polymer films - Google Patents
Polymer filmsInfo
- Publication number
- CA1062419A CA1062419A CA233,497A CA233497A CA1062419A CA 1062419 A CA1062419 A CA 1062419A CA 233497 A CA233497 A CA 233497A CA 1062419 A CA1062419 A CA 1062419A
- Authority
- CA
- Canada
- Prior art keywords
- film
- polyolefin
- blowing agent
- cellular
- cells
- 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.)
- Expired
Links
- 229920006254 polymer film Polymers 0.000 title description 2
- 210000004027 cell Anatomy 0.000 claims abstract description 90
- 229920000098 polyolefin Polymers 0.000 claims abstract description 70
- 239000000203 mixture Substances 0.000 claims abstract description 37
- 239000000654 additive Substances 0.000 claims abstract description 17
- 210000003850 cellular structure Anatomy 0.000 claims abstract description 9
- 239000000049 pigment Substances 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims abstract description 4
- 230000000996 additive effect Effects 0.000 claims abstract 3
- 230000001413 cellular effect Effects 0.000 claims description 71
- 238000000034 method Methods 0.000 claims description 52
- 239000004604 Blowing Agent Substances 0.000 claims description 38
- 230000008569 process Effects 0.000 claims description 27
- 229920000573 polyethylene Polymers 0.000 claims description 24
- 238000001125 extrusion Methods 0.000 claims description 23
- 230000035699 permeability Effects 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000002666 chemical blowing agent Substances 0.000 claims description 9
- -1 aryl sulphonic acid derivative Chemical class 0.000 claims description 8
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000004156 Azodicarbonamide Substances 0.000 claims description 4
- 230000000875 corresponding effect Effects 0.000 claims description 4
- 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
- 125000005456 glyceride group Chemical group 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
- 239000000463 material Substances 0.000 description 23
- 229920000642 polymer Polymers 0.000 description 12
- 239000007789 gas Substances 0.000 description 9
- 230000009467 reduction Effects 0.000 description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 6
- 239000005977 Ethylene Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 229940057995 liquid paraffin Drugs 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 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 3
- OEBRKCOSUFCWJD-UHFFFAOYSA-N dichlorvos Chemical compound COP(=O)(OC)OC=C(Cl)Cl OEBRKCOSUFCWJD-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- ASRMWYDEZPXXBA-UHFFFAOYSA-N (sulfonylamino)urea Chemical compound NC(=O)NN=S(=O)=O ASRMWYDEZPXXBA-UHFFFAOYSA-N 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 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000004594 Masterbatch (MB) 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
- 230000004913 activation Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 239000003317 industrial substance Substances 0.000 description 2
- UTOPWMOLSKOLTQ-UHFFFAOYSA-N octacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O UTOPWMOLSKOLTQ-UHFFFAOYSA-N 0.000 description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- ODPOAESBSUKMHD-UHFFFAOYSA-L 6,7-dihydrodipyrido[1,2-b:1',2'-e]pyrazine-5,8-diium;dibromide Chemical compound [Br-].[Br-].C1=CC=[N+]2CC[N+]3=CC=CC=C3C2=C1 ODPOAESBSUKMHD-UHFFFAOYSA-L 0.000 description 1
- 239000005630 Diquat Substances 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 102000000479 TCF Transcription Factors Human genes 0.000 description 1
- 108010016283 TCF Transcription Factors Proteins 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 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
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007931 coated granule Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 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
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 235000013872 montan acid ester Nutrition 0.000 description 1
- 230000036963 noncompetitive effect Effects 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229940037312 stearamide Drugs 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000004711 α-olefin 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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (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 |
---|---|
CA1062419A true CA1062419A (en) | 1979-09-18 |
Family
ID=26262858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA233,497A Expired CA1062419A (en) | 1974-09-30 | 1975-08-14 | Polymer films |
Country Status (6)
Country | Link |
---|---|
US (1) | US4264672A (en, 2012) |
JP (1) | JPS5145172A (en, 2012) |
AU (1) | AU8393475A (en, 2012) |
CA (1) | CA1062419A (en, 2012) |
DE (1) | DE2536305A1 (en, 2012) |
FR (1) | FR2281821A1 (en, 2012) |
Families Citing this family (31)
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 |
ATE15868T1 (de) * | 1981-02-23 | 1985-10-15 | Douglas Kitchener Gatward | Schichtmaterial. |
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 |
DE3447065A1 (de) * | 1984-12-22 | 1986-07-03 | Beiersdorf Ag, 2000 Hamburg | Verfahren zur herstellung von tragegriffen |
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 |
EP0377650A1 (en) * | 1987-07-29 | 1990-07-18 | Massachusetts Institute Of Technology | A method of producing microcellular foams and microcellular foams of semi-crystalline polymeric materials |
US5807630A (en) * | 1990-08-10 | 1998-09-15 | Commonwealth Scientific And Industrial Research Organisation | Controlled permeability film |
WO1995007949A1 (en) * | 1993-09-17 | 1995-03-23 | 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 |
WO2002018832A1 (fr) * | 2000-08-29 | 2002-03-07 | Sekisui Chemical Co., Ltd. | Tube haute pression composite et son procede de fabrication |
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 |
FI20105315L (fi) * | 2007-10-02 | 2010-03-29 | Sekisui Chemical Co Ltd | Venytetty termoplastinen vaahtomuovilevy ja sen valmistusprosessi |
AU2012363114B2 (en) | 2011-06-17 | 2016-10-06 | Berry Plastics Corporation | Insulated sleeve for a cup |
JP2016518289A (ja) | 2013-03-14 | 2016-06-23 | ベリー プラスチックス コーポレイション | 容器 |
WO2015006772A1 (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 |
AR097450A1 (es) | 2013-08-26 | 2016-03-16 | Berry Plastics Corp | Material polimérico para contenedor |
TW201532782A (zh) | 2013-08-30 | 2015-09-01 | Berry Plastics Corp | 容器以及其製造方法 |
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 (en, 2012) * | 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 DE DE19752536305 patent/DE2536305A1/de not_active Ceased
- 1975-08-14 CA CA233,497A patent/CA1062419A/en not_active Expired
- 1975-08-14 FR FR7525363A patent/FR2281821A1/fr active Granted
- 1975-08-14 JP JP9901875A patent/JPS5145172A/ja active Pending
-
1979
- 1979-09-20 US US06/077,187 patent/US4264672A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4264672A (en) | 1981-04-28 |
DE2536305A1 (de) | 1976-02-26 |
FR2281821A1 (fr) | 1976-03-12 |
FR2281821B1 (en, 2012) | 1979-05-25 |
AU8393475A (en) | 1977-02-17 |
JPS5145172A (en, 2012) | 1976-04-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1062419A (en) | Polymer films | |
US4777073A (en) | Breathable films prepared from melt embossed polyolefin/filler precursor films | |
US3903234A (en) | Process for preparing filled, biaxially oriented, polymeric film | |
US5149579A (en) | Polypropylene foam sheets | |
CA1327259C (en) | Breathable microporous film and methods for making same | |
AU717212B2 (en) | Very thin microporous material | |
US5238735A (en) | Microporous shaped article and process for preparation thereof | |
US5015521A (en) | Porous film | |
US4704238A (en) | Process for the production of air-permeable films | |
CA1090971A (en) | Producing articles by coextruding polyvinyl alcohol and another thermoplastic material | |
US5830554A (en) | Method of producing of microporous polyolefin membrane | |
US4454281A (en) | Formulation for high clarity linear low density polyethylene film products | |
US4255376A (en) | Solvent stretch process for preparing microporous films from precursor films of controlled crystalline structure | |
JPH0428745B2 (en, 2012) | ||
US6703439B2 (en) | Polyolefin resin composition and polyolefin film prepared from the same | |
US20240317984A1 (en) | High melt strength pp blends for foam with high thermostability | |
US5853638A (en) | Process for producing stretched porous film | |
CA1070069A (en) | Thermoplastics compositions | |
JPH10292059A (ja) | 通気性フィルムの製造方法 | |
JP4540858B2 (ja) | 多孔性フィルム及びその製造方法 | |
BRPI0411199B1 (pt) | Película perfurada, saco de embalagem, processo para formar uma película perfurada e estrutura de película | |
KR19980080325A (ko) | 중합체성 필름 | |
JP2698906B2 (ja) | 光分解性ポリオレフィン組成物 | |
JPS63221140A (ja) | ポリプロピレン系多孔質フイルムの製造方法 | |
JP2005146184A (ja) | ポリオレフィン樹脂組成物及びポリオレフィン樹脂フィルム |