Invention Grant
- Patent Title: Directly polymerized cashew nut shell liquid (CNSL) and bitumen compositions comprising the same
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Application No.: US16507909Application Date: 2019-07-10
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Publication No.: US10717898B2Publication Date: 2020-07-21
- Inventor: Antonius Caspar Johannes Eijkenboom
- Applicant: VENTRACO INNOVATION CENTRE AMSTERDAM B.V.
- Applicant Address: NL Amsterdam
- Assignee: VENTRACO INNOVATION CENTRE AMSTERDAM B.V.
- Current Assignee: VENTRACO INNOVATION CENTRE AMSTERDAM B.V.
- Current Assignee Address: NL Amsterdam
- Agency: Nixon & Vanderhye P.C.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@e9dd5ae
- Main IPC: C09F7/06
- IPC: C09F7/06 ; C09F5/04 ; C08F4/02 ; C08F4/32 ; C08F4/42 ; C08G16/02 ; C08F242/00 ; C08L91/00 ; C08F136/22 ; C08L95/00
Abstract:
The invention relates to a method for the preparation of a polymerized CNSL composition, the method comprising subjecting a raw or technical CNSL to a heat treatment under reflux to obtain the polymerized CNSL composition, wherein the heat treatment is performed until the polymerized CNSL composition has a molecular weight Mw of about 2800 to about 3700, such as from about 2900 to about 3600, or from about 3000 to about 3500 g/mol. The invention further relates to a polymerized CNSL composition, use of a polymerized CNSL composition according to the invention in a bitumen composition, a modified bitumen composition according to the invention and an asphalt composition comprising a modified bitumen composition according to the present invention.
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