Invention Grant
US08268954B2 Method for making copolymers of lactide and a 1:4-3:6 dianhydrohexitol
有权
制备丙交酯与1：4-3：6二羟基己糖的共聚物的方法
- Patent Title: Method for making copolymers of lactide and a 1:4-3:6 dianhydrohexitol
- Patent Title (中): 制备丙交酯与1：4-3：6二羟基己糖的共聚物的方法
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Application No.: US12669598Application Date: 2008-08-07
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Publication No.: US08268954B2Publication Date: 2012-09-18
- Inventor: Joseph David Schroeder
- Applicant: Joseph David Schroeder
- Applicant Address: US MN Minnetonka
- Assignee: NatureWorks LLC
- Current Assignee: NatureWorks LLC
- Current Assignee Address: US MN Minnetonka
- Agent Gary C Cohn, PLLC
- International Application: PCT/US2008/072435 WO 20080807
- International Announcement: WO2009/021101 WO 20090212
- Main IPC: C08G63/00
- IPC: C08G63/00
Abstract:
Polyester-carbonate copolymers are prepared by copolymerizing lactide with a 1:4-3:6 dianhydrohexitol in the presence of a carbonate precursor and a polymerization catalyst. The copolymers have an elevated glass transition temperature, relative to polylactide resins.
Public/Granted literature
- US20100197884A1 METHOD FOR MAKING COPOLYMERS OF LACTIDE AND A 1:4-3:6 DIANHYDROHEXITOL Public/Granted day:2010-08-05
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