Adducts of mid-range vinylidene content polyisobutylene polymer products and methods for making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08F-008/46
C08F-008/00
출원번호
US-0896792
(2004-07-22)
발명자
/ 주소
Baxter, Jr.,C. Edward
Lobue,Christopher
Valdez,Gilbert
Herndon,Daniel
Lowry,Timothy
출원인 / 주소
Texas Petrochemicals LP
대리인 / 주소
Stinson Morrison Hecker LLP
인용정보
피인용 횟수 :
8인용 특허 :
51
초록▼
A reaction product comprising an adduct of a mid-range vinylidene content PIB polymer composition and maleic anhydride, a phenolic compound or a compound having a reactive site for subsequent amination. The PIB composition comprises a relatively low molecular weight, mid-range vinylidene content PIB
A reaction product comprising an adduct of a mid-range vinylidene content PIB polymer composition and maleic anhydride, a phenolic compound or a compound having a reactive site for subsequent amination. The PIB composition comprises a relatively low molecular weight, mid-range vinylidene content PIB polymer product wherein at least about 90% of the PIB molecules present in the product comprise alpha or beta position isomers. The vinylidene (alpha) isomer content of the product may range from 20% to 70% thereof and the content of tetra-substituted internal double bonds is very low, preferably less than about 5% and ideally less than about 1-2%. The mid-range vinylidene content PIB polymer products may be prepared employing a liquid phase polymerization process conducted in a loop reactor at a temperature of at least 60째 F. using a BF3/methanol catalyst complex and a contact time of no more than 4 minutes.
대표청구항▼
We claim: 1. A PIB adduct comprising a reaction product of a reaction between (1) a mid-range vinylidene content PIB polymer composition comprising PIB molecules, wherein a first portion of said PIB molecules have alpha position double bonds and a second portion of said PIB molecules have beta posi
We claim: 1. A PIB adduct comprising a reaction product of a reaction between (1) a mid-range vinylidene content PIB polymer composition comprising PIB molecules, wherein a first portion of said PIB molecules have alpha position double bonds and a second portion of said PIB molecules have beta position double bonds, wherein said first and second portions together include at least 90% of the PIB molecules of the composition, wherein said first portion includes less than 70% of the PIB molecules of the composition, and wherein no more than about 10% of the PIB molecules of the composition have tetra-substituted internal double bonds, said composition having a polydispersity of no more than 2.0, and (2) an additive material comprising maleic anhydride, a phenolic compound or a compound having a reactive site for subsequent amination. 2. A PIB adduct as set forth in claim 1, wherein said additive material comprises maleic anhydride. 3. A PIB adduct as set forth in claim 1, wherein said additive material comprises a phenolic compound. 4. A PIB adduct as set forth in claim 1, wherein said additive material comprises a compound having a reactive site for subsequent amination. 5. A PIB amine compound comprising a reaction product of a reaction between an intermediate and an amine, wherein the intermediate is produced by reacting (1) a mid-range vinylidene content PIB polymer composition comprising PIB molecules, wherein a first portion of said PIB molecules have alpha position double bonds and a second portion of said PIB molecules have beta position double bonds, wherein said first and second portions together include at least 90% of the PIB molecules of the composition, wherein said first portion includes less than 70% of the PIB molecules of the composition, and wherein no more than about 10% of the PIB molecules of the composition have tetra-substituted internal double bonds, said composition having a polydispersity of no more than 2.0, and (2) a compound having a reactive site for subsequent amination. 6. A process for preparing a PIB adduct comprising: providing a mid-range vinylidene content PIB polymer composition comprising PIB molecules, wherein a first portion of said PIB molecules have alpha position double bonds and a second portion of said PIB molecules have beta position double bonds, wherein said first and second portions together include at least 90% of the PIB molecules of the composition, wherein said first portion includes less than 70% of the PIB molecules of the composition, wherein no more than about 10% of the PIB molecules of the composition have tetra-substituted internal double bonds, and wherein said composition has a polydispersity of no more than 2.0; and reacting said composition with an additive material comprising maleic anhydride, a phenolic compound or a compound having a reactive site for subsequent amination. 7. A process as forth in claim 6, wherein said additive material comprises maleic anhydride. 8. A process as forth in claim 6, wherein said additive material comprises a phenolic compound. 9. A process as forth in claim 6, wherein said additive material comprises a compound having a reactive site for subsequent amination. 10. A process for preparing a PIB amine compound comprising: providing a mid-range vinylidene content PIB polymer composition comprising PIB molecules, wherein a first portion of said PIB molecules have alpha position double bonds and a second portion of said PIB molecules have beta position double bonds, wherein said first and second portions together include at least 90% of the PIB molecules of the composition, wherein said first portion includes less than 70% of the PIB molecules of the composition, wherein no more than about 10% of the PIB molecules of the composition have tetra-substituted internal double bonds, and wherein said composition has a polydispersity of no more than 2.0; reacting said composition with a compound having a reactive site for subsequent amination to thereby produce an intermediate; and reacting said intermediate with an amine. 11. The invention of claim 4, 5, 9 or 10, wherein said compound having a reactive site for subsequent amination comprises an epoxide, a maleic anhydride adduct, a halide or a carbonyl derivative.
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