Tuesday, December 25, 2018

Scientists Discover Method to Produce FDCA Using Non-food Glucose Derivative

Scientists have discovered a novel method to synthesize furan-2,5-dicarboxylic acid (FDCA) in a high yield from a glucose derivative of non-food plant cellulose, paving the way for replacing petroleum-derived terephthalic acid with biomaterials in plastic bottle applications.

Decreasing Burden on the Environment with Renewable Resources

 The chemical industry is under pressure to establish energy-efficient chemical procedures that do not generate by-products, and using renewable resources wherever possible. Scientists believe that if resources from non-food plants can be used without putting a burden on the environment, it will help sustain existing social systems.
It has been reported that various useful polymers can be synthesized from 5-(hydroxymethyl)furfural (HMF), the biomaterial used in this study. A high yield of FDCA can be obtained when HMF is oxidized in a diluted solution under 2 weight percentage (wt%) with various supported metal catalysts.

However, a major stumbling block to industrial application lies with the use of a concentrated solution of 10-20 wt%, which is essential for efficient and scalable production of FDCA in the chemical industry. When HMF was simply oxidized in a concentrated solution (10 wt%), the FDCA yield was only around 30%, and a large amount of solid by-products was formed simultaneously. This is due to complex side reactions induced from HMF itself.

Producing FDCA with High Yields


In the study published in Angewandte Chemie International Edition, a Japan-Netherland research team led by Associate Professor Kiyotaka Nakajima at Hokkaido University and Professor Emiel J.M. Hensen at Eindhove University of Technology succeeded in suppressing the side reactions and producing FDCA with high yields from concentrated HMF solutions (10~20 wt%) without by-products formation. Specifically, they first acetalized HMF with 1,3-propanediol to protect by-product-inducing formyl groups and then oxidized HMF-acetal with a supported Au catalyst.

Conventional methods produce by-products making large-scale FDCA production difficult, while this new method yields FDCA efficiently without by-products formation.

Producing Chemicals from Sugar-based Biomaterials


About 80% of 1,3-propanediol used to protect formyl groups can be reused for the subsequent reactions. In addition, drastic improvement in the substrate concentration reduces the amount of solvents used in the production process.

Kiyotaka Nakajima says “It is significant that our method can reduce the total energy consumption required for complex work-up processes to isolate the reaction product.”

“These results represent a significant advance over the current state of the art, overcoming an inherent limitation of the oxidation of HMF to an important monomer for biopolymer production. Controlling the reactivity of formyl group could open the door for the production of commodity chemicals from sugar-based biomaterials,” says Kiyotaka Nakajima. This study was conducted jointly with Mitsubishi Chemical Corporation.

Source: Hokkaido University

Tuesday, December 18, 2018

U.S. DOT approves high-pressure vessel hydrogen transport systems

Hexagon Composites has received a special permit from the United States Department of Transportation (DOT) for the highest pressure gas transport systems ever. The permit authorizes the manufacture, marking, sale and use of Hexagon’s 500 and 950 bar cylinders for over-the-road transport modules in the United States, for hydrogen and other gases.






“The DOT permit is a milestone for the hydrogen refueling market where higher pressures are sought to move more hydrogen per trailer trip, which in turn reduces the overall price of hydrogen fuel at the pump,” said Hartmut Fehrenbach, Vice President of Hydrogen Distribution of Hexagon. “This represents a key step to accelerate the ongoing adoption of fuel cell vehicles and transformation to a zero-emission and domestically sourced energy landscape.”

Hexagon is the first manufacturer to receive U.S. DOT special permit (SP20391) for 950 bar (13,775 psig). Being able to move 950 bar pressure vessel systems over the road enables the implementation of mobile hydrogen refueling units for fuel cell vehicles using 700 bar on-board storage tanks. Mobile refueling units strengthen the expanding hydrogen refueling network before permanent stations can be established. 

Hexagon is designing transport systems for hydrogen for the United States, building on their experience and success with hydrogen transport modules already in use with European distribution customers and Mobile Pipeline® transportation modules in use globally with natural gas distribution customers.

Source: Hexagon

Evonik Offers Methacrylate Monomer with Flame Retardant & Anti-corrosive Properties

Evonik has planned to market 2-hydroxyethyl methacrylate phosphate as an anti-corrosion agent and flame retardant under the brand name VISIOMER® HEMA-P 70M. Typical product applications of this methacrylate monomer include adhesives and plastics, paints and coatings, fibers, composite resins, and gel coats. 


New Options Open for Customers with VISIOMER

Customers mainly use VISIOMER® HEMA-P 70M as an adhesion promoter, but the latest findings have also shown it to be an effective halogen-free, reactive flame retardant or anti-corrosion agent. 

Since the substance serves as a reactive diluent or as a co-monomer bonded within the polymer backbone, it does not migrate like conventional flame retardants. VISIOMER® HEMA-P 70M further improves flame retardancy in combination with non-polymerizable flame retardants. 

VISIOMER® HEMA-P 70M offers new options for customers with special requirements for flame-retardant and anti-corrosion properties. This monomer adds a specialty methacrylate with particular functionalities to Evonik’s portfolio and underscores our role as a solution provider for innovative customers,” says Dr. Martin Trocha, the head of Evonik’s Application Monomers Product Line. 

Ease of Process with Low Viscosity


VISIOMER® HEMA-P 70M is a highly versatile monomer that contains 30% methyl methacrylate and is particularly easy to process because of its low viscosity. Thanks to 
its low color index, the specialty monomer is particularly well-suited for optical applications in acrylate and methacrylate systems. This enables the use in applications with high demands for transparency and surface quality, such as surface coatings, plastics or adhesives. 

Moreover, the monomer protects against static charging and has an emulsion stabilizing effect.

Source: Evonik

Sunday, December 16, 2018

Circa Receives ECHA Approval for Bio-based Di-polar Solvent Manufacture

Circa Group has received authorization from the European Chemicals Agency (ECHA) to manufacture or import up to 100 tones/year of its bio-based solvent Cyrene™ in the European Union, after receiving REACH Annex VIII approval.

Cyrene™ : An Alternative to Polar Aprotic Solvents

 A chiral dipolar aprotic solvent, Cyrene™ was developed in conjunction with the Green Chemistry Centre of Excellence (GCCE) at the University of York. Cyrene™ is a two-step conversion of waste biomass, produced at Circa's large-scale prototype plant, built in partnership with pulp and paper company Norske Skog in Tasmania, Australia.

Cyrene™ provides a safer alternative to these polar aprotic solvents facing regulatory pressure worldwide and is available through Circa’s distributors Merck/Sigma and Will&Co.

Restricting the Possible Toxic Solvents


Solvent regulation is increasingly focused on restricting hazardous chemicals to manage their risk to people animals and the environment. In the EU, widely used solvents such as NMP, DMF and DMAc are on the candidate list of Substances of Very High Concern (SVHC) due to their reprotoxicity.

In addition, a new restriction on NMP was adopted earlier this year, meaning that after May 2020, use will be further restricted and it will not be able to be manufactured or used in the EU unless operational conditions are maintained to ensure that exposure to workers is below specified levels.

Crossing a Major Milestone


Tony Duncan, CEO and co-founder of Circa Group, said, "Annex VIII authorization is a major milestone for Cyrene™ and we are delighted to have been given the go-ahead to sell Cyrene™ in significantly larger quantities in Europe.

Safer solvents are urgently required and with Cyrene™, we are also offering a bio-based solution with a unique property set, including viscosity, surface tension and polarities – making it an exciting new prospect for advanced materials. Our next goal is registration of Cyrene™ in the US and other jurisdictions will soon follow.”

Source: Circa 

Tuesday, December 11, 2018

Sulzer Enters into Partnership to Promote PLA-based Sustainable Plastics Production

Futerro, Sulzer and TechnipFMC team up to simplify the manufacture of bioplastics. Three major process technology and equipment specialists, Futerro, Sulzer and TechnipFMC, have formed the PLAnet™ initiative in equal partnership to promote the production of sustainable plastics made of Poly-Lactic Acid (PLA). The strategic collaboration will support manufacturers interested in entering the bioplastic market by delivering integrated PLA technology packages.
PLA is a versatile bio-based and biodegradable polymer that can replace petroleum-based plastics in a wide range of applications. Different stages are required to convert sugars from crops into lactic acid, lactide and subsequently PLA.





Facilitating Bioplastics Production

Futerro, a well-established technology provider for lactic acid and lactide production, and Sulzer Chemtech, a leading specialist in separation and mixing technologies have over 25 years of experience in lactic acid and PLA’s related processes. Together they have further shown their commitment to facilitate the production of bioplastics by establishing a partnership with TechnipFMC, a leading global EPC contractor with experience in technology development and licensing with fast growing activities in bioplastics and green chemicals.

PLAnet™ Initiative 

The agreement between the three parties offers to agricultural, chemical and fiber industries, a fully integrated package addressing the whole PLA value chain. In this way, customers can benefit from direct access to state-of-the-art, customizable solutions for all the aspects and stages of PLA production. PLAnet™ offers the possibility of a “one-stop shop” for customers interested in PLA production by providing a single point of contact and responsibility.

Goal of PLAnet™


In particular, PLAnet™ supports the construction of plants of any size, including PLA facilities with a throughput of up to 100’000 tons per year - that permit manufacturers to save both capital expenditures (CAPEX) and operating expenses (OPEX) by providing for integrated and optimized plant section design.

Within the PLAnet™ partnership, Futerro’s proprietary technology focuses on the production of lactic acid and raw lactide from sugar or, directly, from biomass; Sulzer contributes the process for the purification of lactide and its polymerization to obtain PLA while TechnipFMC acts as technology integrator to deliver seamless and optimized Front-End Engineering Design (FEED) packages.

The promotion of greener alternatives to traditional plastics needs to be backed by suitable technologies that enable the industry to produce high-quality bioplastics in an efficient manner. This can be made possible via the PLAnet™ partnership between Futerro, Sulzer and TechnipFMC by leveraging their world-leading technologies, expertise and skills for the entire PLA value chain.

Source: Sulzer


 

Saturday, December 8, 2018

Plastics Machinery Shipments Continued to Increase in Q3 of 2018 in North America

 The plastics machinery shipments in North America continued to increase in the third quarter according to the statistics compiled and reported by the Plastics Industry Association’s (PLASTICS) Committee on Equipment Statistics (CES).

 

 

Injection Molding & Extrusion Machinery Shipment


The preliminary estimate of shipments of primary plastics equipment (injection molding and extrusion) for reporting companies totaled $349.4 million in the third quarter. This was a 4.1-percent increase from the $335.5 million (revised) second-quarter shipment. Injection molding shipments in the second quarter were higher than previously thought. Year over year, shipments grew 5.6 percent.

Perc Pineda PhD, Chief Economist of PLASTICS, said:
“Plastics machinery shipments recovered in the third quarter following a weak second quarter. We expect higher shipments in the fourth quarter. We have a tight labor market and U.S. manufacturers, including plastics machinery manufacturers, have been working on production backlogs. As a result, shipments are pushed into the next quarters.”

Quarterly Statistics

  • On a quarterly basis, injection molding shipments increased 2.1 percent. Single-screw and twin-screw extruder shipments continued double-digit growth of 23.8 percent and 14.2 percent, respectively. 
  • Compared to the third quarter last year, shipments of injection molding were up 4.6 percent. Shipments of single-screw extruders rose 7.7 percent and twin-screw extruders 17.2 percent over the same period.

Perc Pineda said:
“Except for soft auto and home sales numbers in the third quarter, the U.S. economy is still in expansionary mode—and that’s good news for plastics machinery manufacturing. While there are projections of moderate growth next year, it is expected that the U.S. economy will remain healthy.”

Source: Plastics Industry Association (PLASTICS)

Friday, December 7, 2018

California Bans Sale of Upholstered Products Containing FRs Above 1000ppm

California has joined states to ban flame retardants in certain household products. Starting January 1, 2020, it will be prohibited to sell or distribute children’s products, mattresses, and upholstered furniture that contain flame retardants in concentrations above 1,000 parts per million (ppm) in the state of California.





Link Between Flame Retardants and Various Health Problems

 In passing the bill, the Legislature cited proof that flame retardants do little to increase fire safety, and expressed concerns about the link between flame retardants and various health problems, such as developmental problems in children and cancer.

Implementing Rules and Regulations

The law needs the International Sleep Products Association to survey mattress producers every three years to determine what materials are being used to meet flammability standards.

The Bureau of Electronic and Appliance Repair, Home Furnishings, and Thermal Insulation is sanctioned to enforce the new law and adopt implementing rules and regulations.

California is one of a number of states that have banned flame retardants or specific chemicals commonly used in FRs.

San Francisco’s Flame Retardant Ban to Take Effect

  • On January 1, 2019, San Francisco’s similar ban on sale of upholstered furniture and juvenile products containing flame retardants goes into effect
  • From next year, it will be prohibited to sell upholstered furniture, reupholstered furniture, or juvenile products which have been made with, or contain a flame retardant chemical at a level above 1, 000 parts per million. 
  • The same ban goes into effect on July 1, 2019 for similar products that have electrical or electronic components.

Labeling Requirements

  • In addition to banning the sale of products with added flame retardants, the San Francisco ordinance includes labeling requirements for all upholstered furniture and children’s products sold in the city. 
  • The products must be affixed with labels that state that the item does not contain the flame retardants. 
  • The labels required by San Francisco’s ordinance are the same as those currently required under California’s SB 1019, but the label must be marked to indicate that the upholstery materials contain NO added flame retardant chemicals.

Penalties for Violation

Penalties for violation of the ordinance may not exceed $1,000 per day per violation, with each day constituting a separate violation, and each product for sale also constituting a separate violation. In determining the appropriate penalty, the Director or the court will consider “the extent of harm caused by the violation, the nature and persistence of the violation, the frequency of past violations, any action taken to mitigate the violation, and the financial burden to the violator.

Source: SpecialChem

WORKPLACE FLOOR MARKINGS : Simple Lines. Clear Rules. Fewer Incidents.

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