Claims
- 1. A stabilized polyolefin composition which comprises
- (a) a polyolefin, and
- (b) an effective stabilizing amount of a compound of formula I ##STR19## in which X is --N(R.sup.3)(R.sup.4), morpholino or --OR.sup.5,
- R.sup.3 and R.sup.4 are independently of one another C.sub.1 -C.sub.4 -alkyl,
- R.sup.5 is C.sub.3 -C.sub.8 -alkyl,
- R.sup.1 is C.sub.1 -C.sub.4 -alkyl,
- R.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, allyl, acetyl, acryloyl, --CH.sub.2 CH(R.sup.7)OH or --CH.sub.2 CH.sub.2 OH, and
- R.sup.7 is methyl or ethyl.
- 2. A composition according to claim 1 wherein the compound of formula I is present in an amount of 0.01 to 5% by weight, based on the untreated polyolefin.
- 3. A composition according to claim 1 wherein the polyolefin of component (a) is high-density or low-density polyethylene or polypropylene.
Priority Claims (1)
Number |
Date |
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5756/82-0 |
Sep 1982 |
CHX |
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Parent Case Info
This is a divisional of application Ser. No. 07/686,273, filed on Apr. 15, 1991, now U.S. Pat. No. 5,102,927, issued on Apr. 7, 1992, which is a continuation of application Ser. No. 07/584,415, filed on Sep. 17, 1990, now abandoned, which is a continuation of application Ser. No. 07/135,513, filed on Dec. 18, 1987, now abandoned, which is a continuation of application Ser. No. 06,820,832, filed on Jan. 21, 1986, now abandoned, which is a continuation of application Ser. No. 06/633,729, filed on Jul. 23, 1984, now abandoned, which is a continuation of application Ser. No. 06/534,956, filed on Sep. 22, 1983, now abandoned.
US Referenced Citations (10)
Foreign Referenced Citations (1)
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2319816 |
Jul 1982 |
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Divisions (1)
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686273 |
Apr 1991 |
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Continuations (5)
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584415 |
Sep 1990 |
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135513 |
Dec 1987 |
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820832 |
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633729 |
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534956 |
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