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ARS Home Midwest Area Peoria, Illinois National Center for Agricultural Utilization Research Bio-oils Research Research





- Doll, Kenneth - Ken
- Moser, Bryan
- Liu, Zengshe - Kevin
- 2020
- 2019
- 2018
- 2017
- 2016
- Publications
- Product Quality and New Uses (306)

Research Project: **Location:
                            Bio-oils Research** Project Number: 5010-41000-170-000-D
                        
                        Project Type: In-House Appropriated Start Date: May 19, 2015
                        
                        End Date: May 18, 2020 **Objective:**
                        
                        Objective 1: Enable the commercial production of monomers from biobased acids.
Sub-objective 1.A. Enable, from a technological standpoint, the commercial conversion of fatty acids into olefinic hydrocarbon monomers.
Sub-objective 1.B. Enable the commercial production of oxygenated monomers from biological feedstocks.
Objective 2: Enable the commercial production of polymers from acrylated and epoxidized soybean oil (ESO). **Approach:**
                        
                        The decarboxylation of fatty acids is thermodynamically favorable at temperatures above 100 deg C. However, the barrier to decarboxylation is quite high, resulting in exceedingly slow rates at temperatures which are convenient for industrial reactions. The barrier is influenced by the functional groups on the fatty acid, especially those near the carbonyl carbon of the carboxylic acid moiety. Specifically, a fatty acid with a double bond at the beta-gamma position undergoes decarboxylation significantly faster than that of other positions. A process which takes advantage of this phenomenon has already been demonstrated, in a preliminary manner, utilizing a new ARS technology. 

Cross-metathesis of methyl oleate with ethene in the presence of a Grubbs catalyst yields methyl 9-decenoate (M9D) and 1-decene. M9D will serve as a platform chemical for readily polymerizable monomers, whereas 1-decene already has established commercial outlets as a monomer for industrial poly alpha olefins. Anticipated commercial applications of materials derived from M9D include as components in adhesives, coatings, latexes, and sealants. Separation of M9D  from 1-decene and unreacted methyl oleate (if present) will be accomplished using methods selected for economic and practical considerations.

There are currently many different 3D printing technologies available. The use of this additive technology has many advantages including efficient use of materials, versatility and ability to produce different shapes at only the touch of a button. However, the amount of available materials useful for these printing technologies has fallen behind the printing hardware itself.


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