Technical Alerts - June 2021

Technical News,

Abstracts that tickle this reviewer's interest

Courtesy of Google Scholar

 

Year - Month: 2021-06

State-of-the-art technologies for biofuel production from triglycerides: A review

F Long, W Liu, X Jiang, Q Zhai, X Cao, J Jiang, J Xu - Renewable and Sustainable …, 2021

 

[PDF]MaleicRosin-based Gemini Surfactant as Air Entraining Agent for Concrete under Low Air Pressure

Y LI, Z WANG, L WANG

The effectiveness of Air entraining agent (AEA) in concrete under low air pressure in 
the plateau area decreased. A type of new AEA, named MRE was synthesized to 
increase bubbles' stability in fresh concrete under low air pressure. The performance …

 

Ring-Opening Metathesis Polymerization of δ-Pinene: Well-Defined Polyolefins from Pine Sap

MR Yarolimek, HR Bookbinder, BM Coia… - ACS Macro Letters, 2021

Well-controlled ring-opening metathesis polymerization (ROMP) of δ-pinene
is reported. The monomer is produced through a facile, metal-free,
three-step synthesis from highly abundant and sustainabl...

 


Selective Catalytic Epoxide Ring-Opening of Limonene Dioxide with Water

YS Raupp, PS Löser, S Behrens, MAR Meier - ACS Sustainable Chemistry & …, 2021

Palladium nanoparticles, stabilized by poly(vinylpyrrolidone) (PdNP@PVP),
catalyze the ring-opening of limonene dioxide (LDO) with water. The use
of PdNP@PVP selectively results in the ring opening...

 

[HTML]Beta-Sitosterol: A Popular European Drug

SB Strum, W Faloon

… As the word gets out about the documented benefits of beta-sitosterol, American consumers
can expect to see more prostate support products that contain this low-cost plant sterol.
References 1. Glynn RJ, Campion EW, Bouchard GR, Silbert JE …

 

[HTML]Thermal stability and oxidation characteristics of α-pinene, β-pinene and α-pinene/β-pinene mixture

P Liu, X Liu, T Saburi, S Kubota, P Huang, Y Wada - RSC Advances, 2021

… Saravanan et al. conducted an investigation on performance and exhaust
emission of a turpentine oil powered direct injection diesel engine. 2
Vallinayagam et al. reported the performance and emission characteristics …

 

[PDF]Applying a science-based systems perspective to dispel misconceptions about climate effects of forest bioenergy

GCB Bioenergy - 2021

… Bark: 7.0 TW h Pulp for export: 17.0 TWh Paper: 45.0 TWh Paper pulp:
40.0 TWh Recycled paper: 4.0 TWh Sawn timber: 36.0 TWh Black liquor /
Tall oil pitch / Bark: 47.5 TWh Bark/Chips: 8.0 TWh Chips: 14.0 TW h …

 

A MIND-GLAZING ARTICLE ON BIOENERGY IN FORESTRY.

 

[PDF]Compatibility study ofrosinesters with metallocene catalysed polyolefins in the resin industry

JFA Casimiro - 2021

The resin industry is a significant part of the chemical industry. There are many types 
of resins, with different origins and distinct chemical compositions, which influences 
their applicability. Colophony resins (rosin resins) are widely used in adhesives …

 

Cationic Polymerization of β‐Pinene Using B (C6F5) 3 as a Lewis Acid for the Synthesis of Tackifiers in Pressure Sensitive Adhesives

A Destephen, E González de San Román… - Macromolecular Materials and …

… turpentine.[10–12] Among the terpene monomers, 𝛽-pinene, with a current
US market production volume of 20 × 106 kg per year,[13] is one of the most
commonly used and is known to homopolymerize via cationic polymerization …

 

[PDF]Role & Effects of Nutraceutical agent Beta-Sitosterol

NKMP Maurya, L Yadav, NK Maurya

ABSTRACT β-Sitosterol (BS), the key dietary phytosterol in medicinal plants & fruit, 
may prevent and cure human cancer, BPH, high cholesterol. Phytosterols are plant 
sterols present in foods such as oils, nuts, vegetables, and medicinal plants such as …

 

Stripping Potential of Asphalt Mixtures: State of the Art

N Alkofahi, T Khedaywi - International Journal of Pavement Research and …, 2021

Stripping is one of the major distresses of pavement. It considers a significant problem
facing highway administrations. Great efforts were made, and hundr.

 

[HTML]Biodegradable medicated chewing gum: A modernized system for delivering bioactive compounds

P Thivya, M Durgadevi, VRN Sinija - Future Foods, 2021

 

[PDF]In-situforming gel and microparticle usingrosinas matrix with a solvent exchange mechanism for periodontal pocket drug delivery

T Chuenbarn, T Phaechamud

Rosin (R) is a natural product obtained from pines that contain abietic acid as the 
main structure. In pharmaceutical applications, rosin was used as the coating 
material for enteric-coated drug delivery systems. In this study, 1% w/w vancomycin …

11028033

Method for producing terpene aldehydes and terpene ketones
The invention relates to a method for producing terpene aldehydes and terpene ketones by oxidatively dehydrogenating the corresponding terpene alcohols, comprising or consisting of the following.. .

Method for producing terpene aldehydes and terpene ketones
United States Patent 11028033 B2 · Filed: 08/26/2017 · Published: 06/08/2021

Assignee:

SYMRISE AG (Holzminden, DE

This patent claims ruthenium-based catalysts to oxidize alcohols to ketones and aldehydes, menthol to menthone and other difficult to oxidize alcohols being prime examples.

 

 

EP3456765B1

RUBBER COMPOSITION FOR TIRES
Provided is a tire rubber composition which achieves both dry grip performance and wet grip performance when traveling on race tracks as well as low rolling resistance when traveling on ordinary...

TREAD
European Patent Application EP3831617 A1 · Filed: 11/13/2020 · Published: 06/09/2021

Assignee:

SUMITOMO RUBBER IND ASSIGNEE

 

 

The tires of the present invention include a tread, including a tire rubber composition which contains a rubber component including styrene-butadiene rubber and which contains, per 100 parts by mass of the rubber component, 150 parts by mass or more of a white filler and 30 parts by mass or more of a resin. Such tires have excellent overall performance in terms of abrasion resistance during high speed driving and wet grip performance during high speed driving.  Terpene resins are preferred here, showing again the overall superiority of these resins in tires.

11034858

Light-colored rosin and rosin ester compositions
A three-step method to prepare a light-colored rosin ester is disclosed wherein at least in one of the steps (a) and (c) a co-catalyst is applied and wherein at least in one of the steps (a) and...

Light-colored rosin and rosin ester compositions
United States Patent 11034858 B2 · Filed: 11/19/2019 · Published: 06/15/2021

Assignee:

KRATON POLYMERS LLC (Houston, TX, US)

Inventors:

Schaapman, Mark C. (Almere, NL)
Lange, Jos H. M. (Almere, NL)

Attorney/Agent:

KRATON POLYMERS LLC (HOUSTON, TX, US)

This is the patent that describes new ultra- light rosin esters from the employ of new disproportionation catalysts and distilled rosin.

 

EP3521056B1

RUBBER COMPOSITION FOR TIRE TREAD AND TIRE MANUFACTURED USING THE SAME
A rubber composition for tire tread, and a tire manufactured using the rubber composition are provided. The rubber composition for tire tread include 100 parts by weight of a raw material rubber;...

RUBBER COMPOSITION FOR TIRE TREAD AND TIRE MANUFACTURED USING THE SAME
European Patent EP3521056 B1 · Filed: 01/10/2019 · Published: 06/23/2021

Assignee:

HANKOOK TIRE CO LTD (KR)

This patent application claims improved wet grip, and abrasion resistance by incorporating a high MW liquid resin, an example being a farnesene polymer that has double bonds in the main chain and the pendant terpene moieties.  This gives improved cross-linking and better retention of the liquid polymer in the tire tread as well.

 

WO/2021/126267A1

INKJET INKS
An inkjet ink that includes (A) a terpene resin made from α-pinene and (B) methyl ethyl ketone, which is characterized by extended decap times as well as quick drying properties when applied onto...

INKJET INKS
WIPO Patent Application WO/2021/126267 A1 · Filed: 12/20/2019 · Published: 06/24/2021

Assignee:

KAO CORPORATION (Nihonbashi Kayabacho 1-chome Chou-k, Tokyo ., JP)

WO/2021/126264A1

INKJET INKS
An inkjet ink that includes (A) a terpene phenol resin and (B) a compound of formula (I) wherein R is an alkyl group having 8 to 22 carbon atoms or an alkenyl group having 8 to 22 carbon atoms, n...

This patent application is an extension of the previous patent application.

 

EP3838998A1

BIORENEWABLE HYDROCARBON COMPOSITIONS AND THEIR USES
Disclosed are compositions comprising dimeric decarboxylated rosins (DDCRs), methods for making them, and applications thereof. DDCR of purity from 50-100 wt. % is obtained by decarboxylating a...

BIORENEWABLE HYDROCARBON COMPOSITIONS AND THEIR USES
European Patent Application EP3838998 A1 · Filed: 12/19/2020 · Published: 06/23/2021

Assignee:

KRATON POLYMERS RES BV (NL)

The following patents and patent applications are similar.  However, they show the breadth of the technology available to tire manufacturers and polymer companies have for improving the magic triangle properties of tires.

WO/2021/126626A1

FUNCTIONALIZED POLYMERS TREAD ADDITIVE TO IMPROVE TIRE PERFORMANCE FOR ALL-SEASON TREAD CONTAINING HIGH POLYBUTADIENE LEVEL
An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 60 to about 100 phr of polybutadiene having a cis-1,4 linkage content...

WO/2021/126624A1

FUNCTIONALIZED POLYMERS TREAD ADDITIVE FOR IMPROVED WET BRAKING AND ROLLING RESISTANCE IN LOW SILICA SUMMER TIRE
An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 5 to about 30 phr of polybutadiene having a cis-1,4 linkage content of...

WO/2021/126627A1

FUNCTIONALIZED POLYMERS TREAD ADDITIVE TO IMPROVE TIRE PERFORMANCE FOR IMMISCIBLE ALL-SEASON TREAD
An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 5 to about 40 phr of styrene/butadiene copolymer; about 60 to about...

WO/2021/126629A1

FUNCTIONALIZED POLYMERS TREAD ADDITIVE TO IMPROVE TRUCK AND BUS RADIAL TIRE PERFORMANCE
An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): 0 to about 50 phr of a polybutadiene having a cis-1,4 linkage content of at...

WO/2021/126628A1

FUNCTIONALIZED POLYMERS TREAD ADDITIVE TO IMPROVE ALL-SEASON TIRE PERFORMANCE
An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 20 to about 40 phr of a polybutadiene having a cis-1,4 linkage content...

WO/2021/126625A1

FUNCTIONALIZED POLYMERS TREAD ADDITIVE FOR IMPROVED WINTER TIRE PERFORMANCE
An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 30 to about 70 phr of polybutadiene having a cis- 1,4 linkage content...

WO/2021/126623A1

FUNCTIONALIZED POLYMERS AS TREAD ADDITIVE FOR IMPROVED WET BRAKING AND ROLLING RESISTANCE IN HIGH SILICA SUMMER TIRE
An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 5 to about 30 phr of polybutadiene having a cis-1,4 linkage content of...

 

11041095

Desulfurized tall oil and derivatives thereof
A process for reducing or removing at least 90% of sulfur in a tall oil composition, e.g., to a level of 15 ppm or less is disclosed. The process employs at least a first desulfurization and a...

Desulfurized tall oil and derivatives thereof
United States Patent 11041095 B2 · Filed: 05/21/2020 · Published: 06/22/2021

Assignee:

Kraton Polymers LLC (Houston, TX, US)

The one question of any adsorption process of tall oil or turpentine is the cost to regenerate the adsorbent and dispose of the sulfur compounds.

EP3205514B1

RUBBER COMPOSITION AND TIRE WITH TREAD FOR LOW TEMPERATURE PERFORMANCE AND WET TRACTION
A rubber composition for use in a tire tread is disclosed. The rubber composition comprises, based on parts by weight per 100 parts by weight elastomer (phr): (A) 100 phr of conjugated diene-based...

 

EP3623417B1

RUBBER COMPOSITION AND METHOD FOR MAKING THEREOF
A rubber composition is disclosed. The composition comprises a blend based on 100 parts by weight (phr) of diene elastomers: 5 to 95 phr of a first diene elastomer , 5 to 50 phr of a hydrogenated...

 

RUBBER COMPOSITION AND METHOD FOR MAKING THEREOF
European Patent EP3623417 B1 · Filed: 09/09/2019 · Published: 06/23/2021

Assignee:

KRATON POLYMERS RES BV (NL)

 

WO/2021/126691A1

TIRE TREAD COMPOUNDS
This invention relates to a rubber compound that comprises a) 5 to 95 phr of a high trans-content ring-opening rubber comprising cyclopentene and a comonomer and having a trans-content of greater...

TIRE TREAD COMPOUNDS
WIPO Patent Application WO/2021/126691 A1 · Filed: 12/11/2020 · Published: 06/24/2021

Assignee:

EXXONMOBIL CHEMICAL PATENTS. INC. (Baytown, TX, US)

Interesting polymer, containing cyclopentene and other ROMP active monomers.