Claims
- 1. A polyisobutylene polymer having an end group of the formula
- --CH.sub.2 --CH.dbd.CH--CH.sub.2 --R'
- where R.sup.1 is a radical formed by reacting a polymer thereof having the structure
- R--C(CH.sub.3).sub.2 --CH.sub.2 --C(CH.sub.3).sub.2 --CH.sub.2 --CH.dbd.CH--CH.sub.2 --Cl
- where R is a polyisobutylene radical in a solvent with an excess of ammonia or a compound with primary or secondary amino groups or polyamine, amino alcohol, amino ether hydrazine or substituted hydrazine in the presence of a base.
- 2. A polyisobutylene polymer as defined in claim 1, where R' is NH.sub.2.
Priority Claims (2)
Number |
Date |
Country |
Kind |
4025961 |
Aug 1990 |
DEX |
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4030914 |
Sep 1990 |
DEX |
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Parent Case Info
This is a divisional of application Ser. No. 744,743, filed Aug. 14, 1991 which is now U.S. Pat. No. 5,212,248, issued May 18, 1993.
US Referenced Citations (2)
Divisions (1)
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Number |
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744743 |
Aug 1991 |
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