TechAlerts

Abstracts that tickle this reviewer's interest

Courtesy of Google Scholar

Year - Month: 2022-10

[PDF]The role of the forest industry in mitigating global change: towards energy efficient and low-carbon operation

S Lipiäinen - 2022

… Side streams and processed biomass from pulp mills including lignin, crude tall oil, 
concentrated non-condensable gases, turpentine, tall oil pitch, stripper off gases, 
wood powder, gasified biomass, pyrolysis oil, and torrefied biomass, as well as …

[PDF]On the formation of highly oxidized pollutants by autoxidation of terpenes under low temperature combustion conditions: the case of limonene and α-pinene

R Benoit, N Belhadj, Z Dbouk, M Lailliau, P Dagaut - Atmospheric Chemistry and …, 2022

… First, we compared the data from ozonolysis studies of each terpene and 
identified similarities through the Venn 314 diagram. For studies with two ionization 
sources, duplicate chemical formulas were removed. We selected the four 315 most …

Discovery ofrosin-based acylhydrazone derivatives as potential antifungal agents against rice Rhizoctonia solani for sustainable crop protection

R Xu, S Gu, K Chen, J Chen, Y Wang, Y Gao, S Shang… - Pest management science

… Two kinds of rosin-based acylhydrazone compounds were designed and 
prepared. Based on the antifungal activity assessment against … This study 
provides a basis for exploiting potential rosin-based fungicides in promoting …

[HTML]Biochar granulation reduces substrate erosion on green roofs

W Liao, MA Sifton, SC Thomas - Biochar, 2022

… Entac™ is a liquid tall oil pitch emulsion that is derived from sulfate pulping of pine. 
It is suggested to be an effective product for dust control and surface stabilization 
through particle binding on surfaces and is deemed to be environmentally friendly (Preston …

Characterization and rheological properties of asphalt binder with a noveltall oil-based boron additive to enhance asphalt performance

H Yeşilçiçek, Ş Oruç, MG Bozdemir - Construction and Building Materials, 2022

… In this study, a new additive not previously described in the literature was
produced in the laboratory by chemically synthesizingtalloil, a by-… Finally, it is
thought that this newtalloil based boron additive (TOBO) obtained in the laboratory …

Tungstic acid: a simple and effective solid catalyst interpenealcohol oxidation reactions with hydrogen peroxide

MJ Silva, A PHdS - 2022

In this work, we report for the first time, the tungstic acid-catalyzed oxidation of
terpene alcohols with hydrogen peroxide. This simple, solid, and commercially
available catalyst efficiently promoted the conversion of borneol, geraniol and nerol …

Potential of CrudeTall OilPolyols for Rigid Polyurethane Foam Production and their Comparison withTall Oil FattyAcids Polyols

E Kauliņa, A Abolins, A Fridrihsone, M Kirpluks - Materials Science Forum, 2022

… This study compared crudetalloil andtalloilfatty acid bio-polyols to determine
whether crudetalloil could be used for polyurethane foam … The results showed
suitable hydroxyl values for almost all polyols, including crudetalloil polyols, but the …

[PDF]Bitumen (vapours and aerosols from high-temperature processing)

E Nies, T Brüning, M Steinhausen, R Bartsch…

… In another study, lymphocytes from the oral mucosa of 15 paving workers who
were exposed to the vapours and aerosols of different asphalt mixes that had been
modified with, for example, waste plastic andtalloilpitch, were investigated for DNA …

Pneumatic tire
United States Patent 11472947 B2 · Filed: 06/26/2018 · Published: 10/18/2022

Assignee:

The Yokohama Rubber Co., LTD. (Tokyo, JP)

Inventors:

Murase, Keisuke (Hiratsuka, JP)

The present technology provides a pneumatic tire with a tread portion comprising a rubber composition for a tread including silica, the pneumatic tire having improved rolling resistance and wear resistance at high speeds while maintaining excellent dry performance and wet performance.

A pneumatic tire according to an embodiment of the present technology comprises:

a designated mounting direction with respect to a vehicle; and

a tread portion with an annular shape extending in a tire circumferential direction, the tread portion comprising

longitudinal grooves extending in the tire circumferential direction and/or lateral grooves extending in a tire lateral direction, and being made of a rubber composition for a tread; wherein

a groove area ratio Sin of a vehicle inner side region corresponding to a vehicle inner side of a tire equator of the tread portion ranges from 30% to 39%;……………………………

Comment:  This patent presents two points that should be of interest or rather concern to resin producers especially terpene resins.  The rubber composition is ordinary by today’s standard.  But the tire tread has a designed set of grooves to enhance performance on the road.  The second point is that this groove technology is claimed to work with all types of rubber.  In other words, the development is mechanical and it can improve any performance enhancement coming from the rubber or resin components, within limits of course.  Resin makers beware and follow this patent because it could impact your business.

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Rubber composition for tread, and pneumatic tire
United States Patent 11458768 B2 · Filed: 05/23/2018 · Published: 10/04/2022

Assignee:

Sumitomo Rubber Industries, Ltd. (Hyogo, JP)

Inventors:

Miyazaki, Tatsuya (Kobe, JP)

Comment: This is an interesting patent as it discusses the principles behind wet grip in tires.  It’s interesting reading:

From the patent:

BACKGROUND ART

Breaking energy (TB×EB×0.5) expressed by tensile strength and elongation at break, or elongation at break (EB) is generally used as an indicator of cut and chip resistance of tires. For example, the following criterion is used: an EB of 450% or higher is considered to lead to good cut and chip resistance.

It is also thought that grip performance includes the following three factors: (1) hysteresis friction force, (2) traction force, and (3) actual contact area to the road surface. To measure the most contributing hysteresis friction force, techniques using viscoelastic properties of rubber, e.g., tan 5 (especially for wet conditions) are generally used. A technique for measuring traction force is making use of the adhesion force of adhesive materials bleeding to the tire surface. It has been appreciated that traction force makes a contribution comparable to hysteresis friction force for racing tires under dry conditions. The actual contact area to the road surface has not been sufficiently studied. In particular, it is surmised that the actual contact area highly contributes to grip performance during the initial phase of running. Tan 5 values at 20 to 100° C. and at −10 to 10° C. are used for dry and wet conditions, respectively. It is desirable to provide tires that are excellent in initial wet grip performance while taking into account the factors (1), (2), and (3), and indicators of such tires.

Natural rubber tire tread compound
United States Patent 11465446 B2 · Filed: 10/13/2020 · Published: 10/11/2022

Assignee:

COOPER TIRE & RUBBER COMPANY (Findlay, OH, US)

Inventors:

Colvin, Howard (Wayne, OH, US)
Walters, Zachary (Findlay, OH, US)

This patent concerns tire treads based on guayule rubber. Only straight hydrocarbon resins impart the compatibility needed for good performing tire compositions.  Interestingly, straight HCs like Escorez 5340 and Dercolyte A115, which are different in polarity relative to each other work well.  Polar resins with polar groups based on oxygen do not perform well and are not recommended.  The patent has a good discussion of compatibility for the interested reader.

Asphalt-based dust control formulations
United States Patent 11466224 B2 · Filed: 08/28/2020 · Published: 10/11/2022

Assignee:

Henry Company, LLC (El Segundo, CA, US)

Inventors:

Ayambem, Amba (Glenmoore, PA, US)
Kent, Daniel B. (Phoenixville, PA, US)
Dobson, John C. (West Chester, PA, US)

This patent describes dust control products where emulsions are used to reduce dust.  Is it possible that fatty acid and rosin streams could function as surfactant compositions?

Polymerisation unit and polymerisation process
United States Patent 11478772 B2 · Filed: 05/27/2021 · Published: 10/25/2022

Assignee:

INEOS EUROPE AG (Vaud, CH)

Inventors:

Daire, Erick Dominique (Martigues, FR)
Galewski, Jean-marc (Noeux-les-Mines, FR)
Simoens, Anthony (Vedrin, BE)
Soulage, Arnaud (Martigues, FR)

The present invention relates to processes and apparatus useful for (fast) ionic polymerisation of liquid monomer(s) containing reaction mixture for the production of the corresponding polymer(s). 

Potential uses in PZ of terpenes?

HEAVY DUTY TIRE
European Patent Application EP4079537 A1 · Filed: 03/09/2022 · Published: 10/26/2022

Assignee:

SUMITOMO RUBBER IND (Kobe-shi, Hyogo-ken 651-0072, JP)

Inventors:

OSHIMO MASAKI (JP)
TOYODA MASATAKA (JP)

Another patent/application where tire performance is influenced heavily by designed siping (grooves in the tire surface).

PINENE-BASED POLYMERS
WIPO Patent Application WO/2022/223825 A1 · Filed: 04/22/2022 · Published: 10/27/2022

Assignee:

STAMM, Arne (SE)
SYRÉN, Per-Olof (SE)

Inventors:

ÖHLIN, Johannes (SE)
STAMM, Arne (SE)
SYRÉN, Per-Olof (SE)

The present invention relates to a polymer based on terpene derived monomers, such as a polyester resin, a polyamide resin, or a polyurethane resin, comprising repeating units of formula (I) and a method for its preparation, as well as its use in coating, barrier, or moulding applications.

COMMENT: this technology involves synthesizing derivatives of terpenes that can be used to make the above “monomers”.  These derivatives will be very expensive and will limit the applications that can be used. 

RUBBER COMPOSITION AND TIRE
European Patent Application EP4067111 A1 · Filed: 09/23/2020 · Published: 10/05/2022

Assignee:

BRIDGESTONE CORP (Chuo-ku Tokyo 104-8340, JP)

Inventors:

SONE RYOTA (JP)

Comment: This patent applications describes one way improve the dispersibility of silica in tire treads to generate less heat. 

From the patent:  As a result of studies to solve the above problems, we found that, by using a conjugated diene-based polymer modified with a specific modifier having oligosiloxane and a tertiary amino group as a rubber component and containing a silane coupling agent having a specific mercapto group, the dispersibility of a filler such as silica can be improved, thereby obtaining excellent low heat generating properties without deteriorating other performance.

This application is like the above.

RUBBER COMPOSITION AND TIRE
European Patent Application EP4067429 A1 · Filed: 09/28/2020 · Published: 10/05/2022

Assignee:

BRIDGESTONE CORP (Chuo-ku Tokyo 104-8340, JP)

Inventors:

SONE RYOTA (JP)
SEO KYUNG CHANG (KR)
KIM NO MA (KR)
LEE RO MI (KR)
KIM JIN YOUNG (KR)

A TIRE COMPRISING A TREAD
European Patent EP3774384 B1 · Filed: 03/30/2018 · Published: 10/26/2022

Assignee:

MICHELIN & CIE (63000 Clermont-Ferrand, FR)

Inventors:

SAKURADA TOMOYA (JP)

This application describes tires with three layers of rubber to obtain better than expected grip on snowy roads.

RUBBER COMPOSITION AND TIRE
European Patent Application EP4067110 A1 · Filed: 09/23/2020 · Published: 10/05/2022

Assignee:

BRIDGESTONE CORP (Chuo-ku Tokyo 104-8340, JP)

Inventors:

SONE RYOTA (JP)

Another application on low heat generating tire rubbers.

RUBBER COMPOSITION FOR TIRE AND PNEUMATIC TIRE
European Patent EP3176001 B1 · Filed: 11/21/2016 · Published: 10/12/2022

Assignee:

SUMITOMO RUBBER IND (Kobe-shi, Hyogo-ken 651-0072, JP)

This application is one of many that describes improvement of grip/runnability as the tires “warm up”.  It specifies only terpene-based resins.  In many of the apps, there are tight performances that require precise preparation of the tire treads.

REJUVENATOR FOR RECYCLING OF AGED BITUMINOUS MIXES
WIPO Patent Application WO/2022/219553 A1 · Filed: 04/13/2022 · Published: 10/20/2022

Assignee:

COUNCIL SCIENT IND RES (IN)
VERMA IND (IN)

Inventors:

PANDEY SATISH (IN)
- SANGITA (IN)
TULSYAN PRATEEK (IN)

This patent application begs the question of whether there is information useful to others in bitumen rejuvenation.  This needs to be addressed by PCA members in this business.

Pesticidal compositions and related methods
United States Patent 11470842 B2 · Filed: 02/10/2020 · Published: 10/18/2022

Assignee:

CJB Applied Technologies LLC (Valdosta, GA, US)

Inventors:

Lefiles, James Holt (Valdosta, GA, US)
Patterson, Paul Andrew (Valdosta, GA, US)

Comment:  This patent contains a long discussion of all the different agrochemical pesticides that can be applied to crops.  However, all the claims relate to tebuconazole as the only active.  Tebuconazole controls fungi. This patent is a good listing of all types of agro components which can show up on your food.  But it has a lot of compounds that I don’t remember as being legal to use in agriculture in the US.  And yes, there are lots of terpene compounds and materials listed.

Process of producing liquid fuels from coal using biomass-derived solvents
United States Patent 11466217 B2 · Filed: 09/19/2016 · Published: 10/11/2022

Assignee:

Battelle Memorial Institute (Columbus, OH, US)

Inventors:

Chauhan, Satya P. (Powell, OH, US)
Garbark, Daniel B. (Blacklick, OH, US)
Benecke, Herman P. (Columbus, OH, US)
Conkle, Nicholas H. (Columbus, OH, US)or used

COMMENT:  This is a patent that if not examined properly can cause a lot of problems later on.  The patent claims making fuels from coal using “biomass-derived solvents”, as solvents for liquefaction, running reactions and making the fuels.  A laundry list of many organic chemicals which “in theory” can be used are…phytosterols, turpentine and other pine derived chemicals.  Clearly economics, sustainability and science were not part of this project. 

Courtesy of Kerry Thompson, Nelson Lawson, and the PCA.