Invention Grant
- Patent Title: PIT emulsions
- Patent Title (中): PIT乳液
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Application No.: US12084521Application Date: 2006-10-25
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Publication No.: US07922802B2Publication Date: 2011-04-12
- Inventor: Ramon Valls , Stephanie Merlet
- Applicant: Ramon Valls , Stephanie Merlet
- Applicant Address: DE Duesseldorf
- Assignee: Cognis IP Management GmbH
- Current Assignee: Cognis IP Management GmbH
- Current Assignee Address: DE Duesseldorf
- Priority: EP05023930 20051103
- International Application: PCT/EP2006/010257 WO 20061025
- International Announcement: WO2007/051549 WO 20070510
- Main IPC: C08L95/00
- IPC: C08L95/00

Abstract:
A PIT emulsion, including asphalt or bitumen; one or more non-ionic emulsifiers; optionally one or more cationic co-emulsifiers, and/or one or more solvents is provided. A PIT emulsion, including 10% to 70% b.w. asphalt or bitumen; 5% to 15% b.w. of one or more non-ionic emulsifiers; 0 to 5% b.w. of one or more cationic co-emulsifiers; and 0 to 40% b.w. of one or more solvents, where the quantities shown add up to 100% b.w. with water, and optionally other auxiliaries and additives is also provided. A method for making a finely-divided asphalt or bitumen PIT emulsion, including subjecting an aqueous mixture of asphalt or bitumen, at least one non-ionic emulsifier, and optionally a solvent to vigorous stirring to obtain a homogenous composition; heating the homogenous composition above the phase inversion temperature to obtain a PIT emulsion, and cooling the PIT emulsion is also provided.
Public/Granted literature
- US20100170416A1 PIT Emulsions Public/Granted day:2010-07-08
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