JPS6431846A - Propylene polymer film - Google Patents
Propylene polymer filmInfo
- Publication number
- JPS6431846A JPS6431846A JP18771987A JP18771987A JPS6431846A JP S6431846 A JPS6431846 A JP S6431846A JP 18771987 A JP18771987 A JP 18771987A JP 18771987 A JP18771987 A JP 18771987A JP S6431846 A JPS6431846 A JP S6431846A
- Authority
- JP
- Japan
- Prior art keywords
- eta
- component
- film
- crystalline
- random copolymer
- 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
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
Abstract
PURPOSE:To provide the titled film containing a crystalline PP component and an ethylene-propylene random copolymer component at a specific ratio, having low content of gel and fish eye and exhibiting excellent freeze-resistance, low-temperature impact resistance and antiblocking property. CONSTITUTION:The objective film is composed of (A) 55-98wt.% of crystalline PP component and (B) 2-45wt.% of an ethylenepropylene random copolymer component. The ratio of [eta]EP/[eta]PP of the film is 0.5-2.0 wherein [eta]PP and [eta]EP are intrinsic viscosity values of the components A and B, respectively. The polymer composition is produced preferably by using a prescribed mixture of the above components as a raw material monomer and carrying out two-stage polymerization of the monomer using a stereoregular catalyst.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18771987A JPS6431846A (en) | 1987-07-29 | 1987-07-29 | Propylene polymer film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18771987A JPS6431846A (en) | 1987-07-29 | 1987-07-29 | Propylene polymer film |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6431846A true JPS6431846A (en) | 1989-02-02 |
JPH0554861B2 JPH0554861B2 (en) | 1993-08-13 |
Family
ID=16210976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18771987A Granted JPS6431846A (en) | 1987-07-29 | 1987-07-29 | Propylene polymer film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6431846A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7645561B1 (en) | 1997-09-19 | 2010-01-12 | Hitachi Chemical Company, Ltd. | Photosensitive film |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5684712A (en) * | 1979-12-14 | 1981-07-10 | Mitsui Toatsu Chem Inc | Propylene copolymer for molding film |
JPS5810414A (en) * | 1981-07-06 | 1983-01-21 | Sanki Kogyo Kk | Conical drill for freely enlarging hole for steel plate |
JPS58201816A (en) * | 1982-05-19 | 1983-11-24 | Chisso Corp | Propylene-ethylene block copolymer for molded article having high rigidity and its preparation |
JPS61155404A (en) * | 1984-12-28 | 1986-07-15 | Idemitsu Petrochem Co Ltd | Crystalline polypropylene |
-
1987
- 1987-07-29 JP JP18771987A patent/JPS6431846A/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5684712A (en) * | 1979-12-14 | 1981-07-10 | Mitsui Toatsu Chem Inc | Propylene copolymer for molding film |
JPS5810414A (en) * | 1981-07-06 | 1983-01-21 | Sanki Kogyo Kk | Conical drill for freely enlarging hole for steel plate |
JPS58201816A (en) * | 1982-05-19 | 1983-11-24 | Chisso Corp | Propylene-ethylene block copolymer for molded article having high rigidity and its preparation |
JPS61155404A (en) * | 1984-12-28 | 1986-07-15 | Idemitsu Petrochem Co Ltd | Crystalline polypropylene |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7645561B1 (en) | 1997-09-19 | 2010-01-12 | Hitachi Chemical Company, Ltd. | Photosensitive film |
Also Published As
Publication number | Publication date |
---|---|
JPH0554861B2 (en) | 1993-08-13 |
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