JPS58147320A - ポリプロピレン系フイルムの製造法 - Google Patents
ポリプロピレン系フイルムの製造法Info
- Publication number
- JPS58147320A JPS58147320A JP57029487A JP2948782A JPS58147320A JP S58147320 A JPS58147320 A JP S58147320A JP 57029487 A JP57029487 A JP 57029487A JP 2948782 A JP2948782 A JP 2948782A JP S58147320 A JPS58147320 A JP S58147320A
- Authority
- JP
- Japan
- Prior art keywords
- cooling air
- resin
- air outlet
- cooling
- extrusion direction
- 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
- -1 polypropylene group Polymers 0.000 title claims description 43
- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 229920005989 resin Polymers 0.000 claims description 110
- 239000011347 resin Substances 0.000 claims description 110
- 238000001816 cooling Methods 0.000 claims description 109
- 238000001125 extrusion Methods 0.000 claims description 63
- 239000004743 Polypropylene Substances 0.000 claims description 40
- 229920001155 polypropylene Polymers 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 18
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 5
- 239000010408 film Substances 0.000 description 51
- 238000000465 moulding Methods 0.000 description 33
- 230000000694 effects Effects 0.000 description 11
- 239000010410 layer Substances 0.000 description 11
- 238000007664 blowing Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- 229920000089 Cyclic olefin copolymer Polymers 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
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229920001179 medium density polyethylene Polymers 0.000 description 2
- 239000004701 medium-density polyethylene Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229920012753 Ethylene Ionomers Polymers 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 101700004678 SLIT3 Proteins 0.000 description 1
- 102100027339 Slit homolog 3 protein Human genes 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920006350 polyacrylonitrile resin Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002023 wood 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/885—External treatment, e.g. by using air rings for cooling tubular 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
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57029487A JPS58147320A (ja) | 1982-02-25 | 1982-02-25 | ポリプロピレン系フイルムの製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57029487A JPS58147320A (ja) | 1982-02-25 | 1982-02-25 | ポリプロピレン系フイルムの製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58147320A true JPS58147320A (ja) | 1983-09-02 |
| JPH0247337B2 JPH0247337B2 (enrdf_load_stackoverflow) | 1990-10-19 |
Family
ID=12277428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57029487A Granted JPS58147320A (ja) | 1982-02-25 | 1982-02-25 | ポリプロピレン系フイルムの製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58147320A (enrdf_load_stackoverflow) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101260A (en) * | 1976-02-20 | 1977-08-25 | Yoshii Tetsukou Kk | Device for cooling tube of inflation extruder |
| JPS5377258A (en) * | 1976-12-06 | 1978-07-08 | Cole Robert J | Air ring for making inflation film |
| JPS53146764A (en) * | 1977-05-27 | 1978-12-20 | Mitsui Petrochem Ind Ltd | Film forming by inflation |
| JPS5429329U (enrdf_load_stackoverflow) * | 1977-07-30 | 1979-02-26 |
-
1982
- 1982-02-25 JP JP57029487A patent/JPS58147320A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101260A (en) * | 1976-02-20 | 1977-08-25 | Yoshii Tetsukou Kk | Device for cooling tube of inflation extruder |
| JPS5377258A (en) * | 1976-12-06 | 1978-07-08 | Cole Robert J | Air ring for making inflation film |
| JPS53146764A (en) * | 1977-05-27 | 1978-12-20 | Mitsui Petrochem Ind Ltd | Film forming by inflation |
| JPS5429329U (enrdf_load_stackoverflow) * | 1977-07-30 | 1979-02-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0247337B2 (enrdf_load_stackoverflow) | 1990-10-19 |
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