Process for producing novel synthetic basestocks
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C07C-009/22
C07C-011/00
C10M-107/02
출원번호
US-0971546
(2010-12-17)
등록번호
US-8530712
(2013-09-10)
발명자
/ 주소
Wu, Margaret M.
Rucker, Steven P.
Canich, Jo Ann M.
출원인 / 주소
Exxonmobil Chemical Patents Inc.
대리인 / 주소
Krawczyk, Nancy T.
인용정보
피인용 횟수 :
7인용 특허 :
84
초록▼
This disclosure relates to a liquid syndiotactic polyalphaolefin, sPAO, comprising one or more C4 to C24 monomers, said sPAO having: a) an rr triad content of 5 to 50% as measured by 13C NMR; b) an mr triad content of 25 to 60% as measured by 13C NMR, where the mr to mm triad ratio is at least 1.0;
This disclosure relates to a liquid syndiotactic polyalphaolefin, sPAO, comprising one or more C4 to C24 monomers, said sPAO having: a) an rr triad content of 5 to 50% as measured by 13C NMR; b) an mr triad content of 25 to 60% as measured by 13C NMR, where the mr to mm triad ratio is at least 1.0; c) a pour point of Z ° C. or less, where Z=0.0648X−51.2, where X=kinematic viscosity at 100° C. as reported in centistokes (cSt); d) a kinematic viscosity at 100° C. of 100 cSt or more (alternatively 200 cSt or more); e) a ratio of mr triads to rr triad (as determined by 13C NMR) of less than 9; f) a ratio of vinylidene to 1,2-disubstituted olefins (as determined by 1H NMR) of less than 8; g) a viscosity index of 120 or more; and h) an Mn of 40,000 or less. This disclosure further relates to processes to make and use sPAOs, including those having any combination of characteristics a) to h).
대표청구항▼
1. A liquid polyalphaolefin, PAO, comprising one or more C4 to C24 monomers, said PAO having: a) a mm triad content of at least 23%, as measured by 13C NMR;b) a mr triad content of 25 to 60%, as measured by 13C NMR, where the mr to mm triad ratio is at least 1.0;c) a pour point of Z ° C. or less, wh
1. A liquid polyalphaolefin, PAO, comprising one or more C4 to C24 monomers, said PAO having: a) a mm triad content of at least 23%, as measured by 13C NMR;b) a mr triad content of 25 to 60%, as measured by 13C NMR, where the mr to mm triad ratio is at least 1.0;c) a pour point of Z ° C. or less, where Z=0.0648X-51.2, where X=kinematic viscosity at 100° C. as reported in centistokes (cSt);d) a kinematic viscosity at 100° C. of 100 cSt or more;e) a ratio of mr triads to rr triads, as determined by 1H NMR, of less than 9;f) a ratio of vinylidene to 1,2-disubstituted olefins, as determined by 1H NMR, of less than 8;g) a viscosity index of 120 or more; andh) a Mn of 40,000 or less. 2. The PAO of claim 1, wherein the kinematic viscosity at 100° C. is 200 cSt or more. 3. The PAO of claim 1, wherein the PAO has an Mw/Mn of 2.0 or less. 4. The PAO of claim 1, wherein the PAO has 40 to 60 mole % of rr triads as determined by 13C NMR. 5. The PAO of claim 1, wherein the PAO has an as-polymerized Bromine number of less than 2. 6. The PAO of claim 1, wherein the monomers are alpha olefins selected from the group consisting of hexene, heptene, octene, nonene, decene, dodecene, 3-methyl-1-butene, and tetradecene. 7. The PAO of claim 1, wherein the mr to mm triad ratio is 1.1 to 7.0. 8. The PAO of claim 1, wherein the mm triad content is 23 to 34%, as measured by 13C NMR.
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이 특허에 인용된 특허 (84)
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