Tech Alerts April 2022
Abstracts that tickle this reviewer's interest
Courtesy of Google Scholar
Year - Month: 2020-04
Q Luan, S Diao, H Sun, X Ding, J Jiang - Plants, 2022
… Resin terpene synthesis in conifers is influenced not only by genetic factors but
also by climatic and environmental factors such as soil fertility, stand dominance,
tree growth, age, season, temperature, wounding, and disturbance [2,19]. According …
[PDF]Direct electrochemical oxidation of abietane diterpene acids
CAM Afonso, J Coelho, I Martins - 2022
… Abstract: Abietic and dehydroabietic acids are widely present in gum rosin (colophony). …
the two acids and show that the methodology can be applied directly to the gum rosin. …
We anticipate that this strategy will have great impact in creating value added to gum …
M Colín-Gómez, N Flores-Ramirez… - Materials Letters, 2022
… Thus, from rosin the purpose of this paper was to prepare two coating, glycerol
rosin ester (GRE) with GRE-PMMA, where the friction … acids of rosin reacted with
the glycerol molecules. Moreover, as a result of the reaction of -COOH with rosin, the …
Branched Fatty Acids: The Potential of Zeolite Catalysis
D Kerstens, S Van Praet, L Verhoeven, P Struelens… - ACS Sustainable Chemistry …, 2022
… A significant group of specialty oleochemicals are dimer fatty acids, formed during
the dimerization of unsaturated fatty acids such as tall oil fatty acids and, to a lesser
extent, oleic acid and linoleic acid. The dimerization can be performed thermally at …
Having spent considerable time researching this possibility in my chemist days, I find this paper to be most interesting.
OT Kuttiyil Thomas, PP Gopalan - Electronics Production Defects and Analysis, 2022
… Fluxes contain gum rosin, wood rosin or tall oil rosin, having a minimum acid value
of 130, dissolved in a solvent. Derivatives of rosins are also used such as dimerized
resin, saponified resin or rosin-derived ester resin (also known as ‘ester gums’). …
Maleatedrosin-derived advanced materials: preparation, properties and application
R Malikova, I Sakhautdinov - Journal of the Iranian Chemical Society, 2022
… Abietic acid 3 is the most common resin acid and is found in all types of rosin.
Levopimaric acid 2 was first found in French rosin [11]. Pimaric, isopimaric, etc. acids
do not contain conjugated double bonds and therefore are resistant to heating in air …
[PDF]Identification of major trends in future biofuel demand
A Jaiyeola, M Legay, L Berman
This deliverable presents an analysis of major trends and factors that will influence
the demand for biofuels in aviation and shipping by 2040 in Europe. The
methodology for the preparation of the study is based on a PESTEL analysis (Political …
A review on soil stabilisation of unsealed road pavements from an Australian perspective
J Pooni, D Robert, F Giustozzi, C Gunasekara… - Road Materials and …, 2022
Unsealed roads are the backbone for many countries’ growth and development.
Given low traffic volumes, economic considerations cannot justify higher class paved
roads, as a result, are prone to distress. Research studies have shown that the …
[PDF]Therapeutic and insecticidal potential of plant terpenes: A review
RK Upadhyay - International Journal of Green Pharmacy (IJGP), 2022
… terpenes, terpene esters, and sesquiterpenes showed anti-inflammatory
properties.[52] … Terpene compounds in nature: A review of their potential
antioxidant activity. Curr Med … Terpene derivatives as a potential agent against …
Ž Zebec, M Poberžnik, NS Scrutton, A Lobnik - 2022
… Here, we investigated the bioconversion of CC waste to the exemplar terpene
limonene as a proof-of-concept. Six different CC waste streams were enzymatically …
This study establishes an important proof-of-concept for terpene production from …
An interesting concept: terpenes from plant waste. Whether it will ever be competitive is hard to say. Work has been done to convert sugar wastes into a bio-jet-fuel, so maybe there is something here.
Hot melt adhesive composition and use thereof
United States Patent 11306226 B2 · Filed: 09/19/2017 · Published: 04/19/2022
Assignee:
HENKEL IP & HOLDING GMBH (Duesseldorf, DE)
Inventors:
Hu, Yuhong (Belle Mead, NJ, US)
Desai, Darshak R. (Edison, NJ, US)
Chen, Jinyu (Fanwood, NJ, US)
Sharak, Matthew L. (Franklin Park, NJ, US)
The sprayable low application temperature hot melt adhesives have high green strength, excellent bond strength and aging performance. The adhesives are based on metallocene polymers and can be sprayed at 155OC.
Fine fragrance compositions containing norbornene ester derivatives
United States Patent 11292988 B2 · Filed: 01/15/2021 · Published: 04/05/2022
Assignee:
PROMERUS, LLC (Akron, OH, US)
Inventors:
Rhodes, Larry F. (Akron, OH, US)
Olefinic ester compositions and their use in stimulating hydrocarbon production from a subterranean formation
United States Patent 11299665 B2 · Filed: 08/22/2018 · Published: 04/12/2022
Assignee:
Wilmar Trading Pte. Ltd. (Singapore, SG)
Inventors:
Ngantung, Frederyk (Chicago, IL, US)
Weitkamp, Robin (Batavia, IL, US)
This patent includes a number of common terpene compounds, that can be part of mixtures of these compounds, that have benefits as fracturing compounds to increase the yields of oil from the pore of the “earthen material”.
Alkylsulfonic acid compositions
United States Patent 11293106 B2 · Filed: 12/20/2019 · Published: 04/05/2022
Assignee:
Fluid Energy Group Ltd. (Calgary, CA)
Inventors:
Purdy, Clay (Medicine Hat, CA)
Weissenberger, Markus (Calgary, CA)
This patent should be of interest to CST engineers!!!
Two stage methods for processing adhesives and related compositions
United States Patent 11312884 B2 · Filed: 12/02/2020 · Published: 04/26/2022
Assignee:
Avery Dennison Corporation (Glendale, CA, US)
Inventors:
Bartholomew, Eric L. (Mill Hall, PA, US)
Bottorf, William L. (Mill Hall, PA, US)
Heimbach, Kyle R. (Millmont, PA, US)
Miller, Brandon S. (Lock Haven, PA, US)
Waterman, Michael T. (Chardon, OH, US)
Zajaczkowski, Michael T. (Bellefonte, PA, US)
Luo, Qiang (State College, PA, US)
Full, Andrew P. (State College, PA, US)
Kohler, Christopher E. (S. Williamsport, PA, US)
Somewhat long to read, but… the time spent to read it is well worth it.
Adhesives and related methods
United States Patent 11292942 B2 · Filed: 06/28/2018 · Published: 04/05/2022
Assignee:
Avery Dennison Corporation (Glendale, CA, US)
Inventors:
Zajaczkowski, Michael (Bellefonte, PA, US)
Waterman, Michael T. (Chardon, OH, US)
Heimbach, Kyle R. (Millmont, PA, US)
Bartholomew, Eric L. (Mill Hall, PA, US)
Miller, Brandon S. (Lock Haven, PA, US)
Cure in place pressure sensitive adhesive compositions are described that comprise one or more of a bodying component, a structural diluent, a radical diluent as well as additives such as crosslinkers, external catalysts, photoinitiators and stabilizers/process aids. The bodying component can be acrylic or non-acrylic.
BIOREFINING OF CRUDE TALL OIL
European Patent EP3626807 B1 · Filed: 12/20/2013 · Published: 04/20/2022
Assignee:
SUNPINE AB (SE)
Inventors:
STIGSSON LARS (SE)
NAYDENOV VALERI (SE)
LUNDBÄCK JOHAN (SE)
RUBBER COMPOSITION FOR HEAVY-LOAD TIRE
WIPO Patent Application WO/2022/071130 A1 · Filed: 09/24/2021 · Published: 04/07/2022
Assignee:
ZS ELASTOMERS CO LTD (JP)
ZEON CORP (JP)
Inventors:
KUWABARA SHINGO (JP)
KARATO TAKESHI (JP)
Assignee:
TIRE
European Patent Application EP3988341 A1 · Filed: 06/18/2020 · Published: 04/27/2022
Assignee:
BRIDGESTONE CORPORATION (Chuo-ku Tokyo 104-8340, JP)
Inventors:
Kawashima, Keisuke c/o BRIDGESTONE CORPORATION (Tokyo 104-8340, JP)
HEAT TRANSFER FLUIDS COMPRISING ISOMERIC BRANCHED PARAFFIN DIMERS DERIVED FROM LINEAR ALPHA OLEFINS AND USE THEREOF
WIPO Patent Application WO/2022/076207 A1 · Filed: 09/28/2021 · Published: 04/14/2022
Assignee:
EXXONMOBIL CHEMICAL PATENTS INC. (US)
Inventors:
KRAMER, Anatoly, I. (US)
WEBER, Jorg, F.W. (US)
LEWIS, Kyle, G. (US)
ENGHETA, Behrouz (DE)
BRAUN, Heinrich, R. (DE)
KLANDE, Tobias (DE)
HAGEMEISTER, Mark, P. (US)
Heat transfer fluids for electric car batteries?? It might be coming very soon. Certain terpene streams (not discussed per se in this patent) might have a new future!!
Rubber composition, rubber composition for tires, and tire
United States Patent 11312842 B2 · Filed: 11/28/2018 · Published: 04/26/2022
Assignee:
BRIDGESTONE CORPORATION (Tokyo, JP)
Inventors:
Nagano, Daijiro (Tokyo, JP)
Provided is a rubber composition having a high vulcanization rate and excellent in storage stability. This is actually a real cost saver.
Courtesy of Kerry Thompson, Nelson Lawson, and the PCA.