NO130787B - - Google Patents
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- Publication number
- NO130787B NO130787B NO00169610A NO16961067A NO130787B NO 130787 B NO130787 B NO 130787B NO 00169610 A NO00169610 A NO 00169610A NO 16961067 A NO16961067 A NO 16961067A NO 130787 B NO130787 B NO 130787B
- Authority
- NO
- Norway
- Prior art keywords
- film
- films
- stretched
- volume
- polymer
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 23
- -1 polypropylene Polymers 0.000 claims description 22
- 239000004743 Polypropylene Substances 0.000 claims description 18
- 229920001155 polypropylene Polymers 0.000 claims description 18
- 229920000642 polymer Polymers 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000011148 porous material Substances 0.000 description 19
- 238000001125 extrusion Methods 0.000 description 11
- 230000035699 permeability Effects 0.000 description 9
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 8
- 229910052753 mercury Inorganic materials 0.000 description 8
- 238000002834 transmittance Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000035515 penetration Effects 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- YAHKTLKNGBMZQC-UHFFFAOYSA-L CC(C(=NO)C)=NO.[Ni](Cl)Cl Chemical compound CC(C(=NO)C)=NO.[Ni](Cl)Cl YAHKTLKNGBMZQC-UHFFFAOYSA-L 0.000 description 1
- 101100065885 Caenorhabditis elegans sec-15 gene Proteins 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010096 film blowing Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000002459 porosimetry Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000008096 xylene 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- B29C48/03—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
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US57743966A | 1966-09-06 | 1966-09-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO130787B true NO130787B (de) | 1974-11-04 |
| NO130787C NO130787C (de) | 1975-02-12 |
Family
ID=24308738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO169610A NO130787C (de) | 1966-09-06 | 1967-09-05 |
Country Status (13)
| Country | Link |
|---|---|
| AT (1) | AT312911B (de) |
| BE (1) | BE703379A (de) |
| CH (1) | CH510704A (de) |
| DE (1) | DE1704546B2 (de) |
| DK (1) | DK123344B (de) |
| ES (1) | ES344668A1 (de) |
| FI (1) | FI50218C (de) |
| FR (1) | FR1553757A (de) |
| GB (1) | GB1180066A (de) |
| IL (1) | IL28508A (de) |
| NL (1) | NL6712145A (de) |
| NO (1) | NO130787C (de) |
| SE (1) | SE349255B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5215627A (en) * | 1975-07-09 | 1977-02-05 | Mitsubishi Rayon Co Ltd | Porous polypropylene hollow fibers and a process for manufacturing the m |
| JPS61146308A (ja) * | 1984-12-21 | 1986-07-04 | Ube Ind Ltd | 多孔質ポリプロピレン中空糸又はフイルムの製造法 |
-
1967
- 1967-08-15 IL IL28508A patent/IL28508A/xx unknown
- 1967-08-23 GB GB38817/67A patent/GB1180066A/en not_active Expired
- 1967-08-29 CH CH1208067A patent/CH510704A/fr not_active IP Right Cessation
- 1967-08-31 ES ES344668A patent/ES344668A1/es not_active Expired
- 1967-09-01 BE BE703379D patent/BE703379A/xx unknown
- 1967-09-01 DE DE1967C0043247 patent/DE1704546B2/de active Granted
- 1967-09-04 SE SE12236/67A patent/SE349255B/xx unknown
- 1967-09-05 AT AT812167A patent/AT312911B/de not_active IP Right Cessation
- 1967-09-05 FR FR1553757D patent/FR1553757A/fr not_active Expired
- 1967-09-05 NL NL6712145A patent/NL6712145A/xx unknown
- 1967-09-05 DK DK444667AA patent/DK123344B/da unknown
- 1967-09-05 NO NO169610A patent/NO130787C/no unknown
- 1967-09-05 FI FI672390A patent/FI50218C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| SE349255B (de) | 1972-09-25 |
| DK123344B (da) | 1972-06-12 |
| FR1553757A (de) | 1969-01-17 |
| NL6712145A (de) | 1968-03-07 |
| NO130787C (de) | 1975-02-12 |
| ES344668A1 (es) | 1969-01-01 |
| CH510704A (fr) | 1971-07-31 |
| DE1704546A1 (de) | 1972-03-23 |
| FI50218C (fi) | 1976-01-12 |
| BE703379A (de) | 1968-03-01 |
| IL28508A (en) | 1971-10-20 |
| GB1180066A (en) | 1970-02-04 |
| DE1704546B2 (de) | 1976-11-18 |
| FI50218B (de) | 1975-09-30 |
| AT312911B (de) | 1974-01-25 |
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