Thursday, November 3, 2022

THE BEST ELASTOMER “NATURAL RUBBER” GIFT OF NATURE

Discovery of wild rubber

The credit of observing an application of rubber can be given to Christopher Columbus and those who accompanied him during his voyage to the Carrebian, where they observed the inhabitants playing with rubber like balls.

In his second voyage 1493- 1496, he witnessed a game played by inhabitants of Haiti (Haiti, is a country located on the island of Hispanoila to the east Cuba and south of The Bahama.) It is surprising that there is no tree or shrub that produces rubber indigenous to Haiti.

The name rubber

A major breakthrough occurred in 1770, when chemist Joseph Priestley noticed that lines drawn with a pencil can be removed using rubber. That is how the name ‘rubber’ – derived from the English verb ‘to rub out’ – came to be used.

Hevea brasiliens is a forest tree which is indigenous to the tropical rain forests of Central and South America and the only major commercial source of natural rubber is one of the highly domesticated crops in the world.

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A Beginner’s Guide To Paint…

 

Have you ever thought, what is the story behind paints that make your world beautiful..? This is a journey through it…!!!

What is Paint ….

Paint is any pigmented liquid, liquefiable, or solid mastic composition that, after application to a substrate in a thin layer, converts to a solid film.

A brief history….

Paint was one of the earliest arts of humanity. Some cave paintings drawn with red or yellow ochre, hematite, manganese oxide, and charcoal may have been made by early Homo sapiens as long as 40,000 years ago. Paint may be even older. In 2003 and 2004, South African archaeologists reported finds in Blombos Cave of a 100,000-year-old human-made ochre-based mixture that could have been used like paint. Further excavation in the same cave resulted in the 2011 report of a complete toolkit for grinding pigments and making a primitive paint-like substance. Paint was made with the yolk of eggs and therefore, the substance would harden and adhere to the surface it was applied to. Pigment was made from plants, sand, and different soils. Most paints used either oil or water as a base. In 1866, Sherwin-Williams in the United States opened as a large paint-maker and invented a paint that could be used from the tin without preparation.

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Could Human Life Be Silicon-Based?

 The first scientific proposal for silicon-based life extends back to 1891 and the ideas of German astrophysicist Julius Scheiner. Since that time scientists have debated the prospects of silicon-based life—with some embracing its plausibility and others dismissing it. But as a team of astrobiologists from MIT have recently pointed out, to date no one has systematically and comprehensively assessed the capacity of silicon to support life in both a terrestrial environment and plausible nonterrestrial settings. They tackle this problem in a 2020 review article published in the journal Life in which they present a detailed evaluation of silicon's life-support capacity.

Before it's possible to assess the usefulness of silicon as a chemical framework for life, it's necessary to identify the general chemical requirements for life. The team from MIT notes that any life-supporting chemical element must display sufficient chemical diversity. This chemical diversity is required to produce the chemical complexity necessary to generate the diverse collection of molecular structures and chemical operations required to originate and sustain living systems.


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Why Use!! Rubber Chemical Dispersion in Latex Industry

Chemicals used by the latex industry are generally not soluble in water, hence they are converted into high quality dispersion so that the crosslinking reaction is more efficient.

ASSOCIATED RUBBER CHEMICALS KOCHI PRIVATE LIMITED produces a range of dispersion from preservative system to compounding composites.
A broad classification of the range of dispersion manufactured by Associated is:

  • Preservative system for Field Latex
    • TMTD based
    • TMTD free
    • Ammonia free
  • Preservative system for Centrifuged Latex
    • TMTD based
    • TMTD Free
    • Ultra Low Ammonia
    • Ammonia free
  • De proteinising dispersion
  • Compounding dispersion
    • Individual dispersion – Sulphur, Zinc Oxide, Accelerators, Fillers etc
    • For gloves, balloons, condoms, foam etc etc.
    • Low Nitrosamine dispersion for all latex goods  

Communications 2.0 in oil and gas sector

 To begin with, some facts about the growth of the oil and gas

(O&O) industry in India from the Directorate General of Hydrocar. bons (DGH): by 2045, oil demand in the country to register a 200% growth to reach 11 million barrels; diesel demand is also expected to double by 2030; and by 2024 natural gas consumption is expected to grow by 25 billion cubic meters. Indian refining capacity is also projected to expand by 30% to 6.9-mbpd (million barrels per day) by 2030, compared to a global refining capacity increase of only 3%.

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Transparent plastics and their role in modern construction

 Global markets count cost of Russian invasion Ukraine war may leave lasting mark on world economy.

Many plastics are safe, long lasting, and low-cost to manufacture. That makes plastics a remarkable substance in and of itself. When it is transparent, though, plastic truly shines as a material for a wide range of applications. There are a few other substances that are clear, such as glass, or at the very least translucent, such as wax paper. Plastic, on the other hand, is unique, and the science underlying its clarity is based on the tiniest of details, the monomers.

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Global markets count cost of Russian invasion Ukraine war may leave lasting mark on world economy

The impact of Russia's invasion of Ukraine rattled global markets.

There will be lasting implica tions for commodities, energy policy and the energy transition, experts from global natural resources consultancy, Wood Mackenzie, a Verisk business, said.

count for 38% of EU demand, making sanctions on Russian flows prohibitive. But if the EU was to stop all Russian gas flows, the long-term implications could be severe.

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Global markets count cost of Russian invasion Ukraine war may leave lasting mark on world economy.