发明申请
- 专利标题: Diblock Copolymers Prepared by Cross Metathesis
- 专利标题(中): 通过交叉复分解制备的二嵌段共聚物
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申请号: US13072383申请日: 2011-03-25
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公开(公告)号: US20120245290A1公开(公告)日: 2012-09-27
- 发明人: John R. Hagadorn , Charles J. Ruff , Renuka N. Ganesh , Patrick Brant
- 申请人: John R. Hagadorn , Charles J. Ruff , Renuka N. Ganesh , Patrick Brant
- 主分类号: C08F299/00
- IPC分类号: C08F299/00 ; C08L53/00
摘要:
This invention relates to a composition comprising a multiblock polyolefin represented by the formula: PO—C(R11)(R12)—C(R13)═C(R14)—C(R15)(R16)—PO*, or isomers thereof, wherein R11, R12, R13, R14, R15, and R16, are each independently a substituted or unsubstituted C1 through C4 hydrocarbyl group or a hydrogen; PO and PO* are polyolefins; PO and PO* are each independently a substituted or unsubstituted hydrocarbyl group having 9 to 4000 carbon atoms, provided that at least one of PO and PO* are C20 or greater, said polyolefin having: 1) an internal unsaturation as shown by the 13C NMR peak at between about 128 and about 132 ppm; 2) an Mn ratio “Z”=0.1 to 10 where Z is the Mn (as determined by 13C NMR) divided by Mn (as determined according to Gel Permeation Chromotography using polystyrene standards); and 3) optionally, from 0.3(J) and 0.75(J) internal unsaturations per 1000 carbons as determined by 1H NMR spectroscopy, where J is the number of reactive groups per 1000 carbons for the mixture of vinyl terminated polyolefins that become PO and PO*, before they are coupled by an alkene metathesis catalyst.
公开/授权文献
- US08940839B2 Diblock copolymers prepared by cross metathesis 公开/授权日:2015-01-27
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