Claims
- 1. A low creep, high modulus, high strength, low shrink, high molecular weight polyolefin shaped article or fabric having improved strength retention at high temperatures which has been prepared by poststretching at a drawing rate of less than about 1 second.sup.-1 at a temperature within about 10.degree. C. of its melting temperature, said shaped article or fabric, prior to being poststretched, being fabricated from polyolefin which has been highly oriented at a higher rate than 1 second.sup.-1 and at a temperature of within about 10.degree. C. of its melting point.
Parent Case Info
This is a divisional application of application Ser. No. 08/516,054, filed Aug. 17, 1995 (now U.S. Pat. No. 5,741,451), which is a divisional of application Ser. No. 08/385,238, filed Feb. 8, 1995 (now U.S. Pat. No. 5,578,374), which is a continuation of application Ser. No. 08/032,774, filed Mar. 15, 1993 (abandoned), which is a continuation of application Ser. No. 07/758,913 filed Sep. 11, 1991 (abandoned), which is a continuation of application Ser. No. 07/358,471 filed May 30, 1989 (abandoned), which is a continuation of application Ser. No. 06/745,164 filed Jun. 17, 1985 (abandoned).
US Referenced Citations (10)
Foreign Referenced Citations (13)
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Date |
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006417A1 |
Nov 1982 |
EPX |
0139141A2 |
Jun 1984 |
EPX |
0110047A2 |
Jun 1984 |
EPX |
0135253A1 |
Mar 1985 |
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0213208 |
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020596 A2 |
May 1986 |
EPX |
0205960B1 |
May 1986 |
EPX |
0187974A2 |
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EPX |
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JPX |
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Divisions (2)
|
Number |
Date |
Country |
Parent |
516054 |
Aug 1995 |
|
Parent |
385238 |
Feb 1995 |
|
Continuations (4)
|
Number |
Date |
Country |
Parent |
032774 |
Mar 1993 |
|
Parent |
758913 |
Sep 1991 |
|
Parent |
358471 |
May 1989 |
|
Parent |
745164 |
Jun 1985 |
|