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  1. en.wikipedia.org › wiki › TaiwanTaiwan - Wikipedia

    Taiwan,[II][k] officially the Republic of China (ROC),[I][l] is a country[27] in East Asia.[o] It is located at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast, and the Philippines to the south. The territories controlled by the ...

  2. en.wikipedia.org › wiki › InsuranceInsurance - Wikipedia

    Super angel. Insurance is a means of protection from financial loss in which, in exchange for a fee, a party agrees to compensate another party in the event of a certain loss, damage, or injury. It is a form of risk management, primarily used to protect against the risk of a contingent or uncertain loss. An entity which provides insurance is ...

  3. Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects : Commons. Free media repository. MediaWiki. Wiki software development.

    • History
    • Preparation
    • Use
    • Polyisobutenylsuccinic Anhydride
    • Literature

    The reaction of maleic anhydride (MAN) with aliphatic monounsaturated n- and iso-alkenes was described as early as 1936 in a patent. The alkenes are obtained from the "cracked distillate", a distillate fraction with a high content of unsaturation formed by crackingof petroleum. The patent describes the reaction of the alkenes with excess maleic anh...

    ASAs are prepared in the Alder-ene reaction of alkenes with maleic anhydride at high temperatures (> 200 °C). Thereby, competing reactions occur, such as oxidation, condensation and (alternating co-) polymerization. The undesirable secondary products are formed reduce the yield of ASA and adversely affect color, texture and processability of the fi...

    Alkenylsuccinic anhydrides - and the alkenylsuccinic acids obtainable therefrom by hydrolysis - possess reactive and surface-active properties. They find use as hardeners for epoxy resins, as corrosion inhibitors in lubricating oils, as reactants in alkyd resins and unsaturated polyester resins, as an additive in motor oil and fuels, as components ...

    ASAs are related to the class of polyisobutylenylsuccinic anhydrides, known as PIBSAs. In these compounds, the alkene used is polyisobutylene. Such compounds are commonly used as reactive intermediates in the petroleum additive industry. They are reacted with ethyleneamines to give the corresponding succinimides useful as dispersants in lubricants ...

    Hubbe, M.A. (2004), Edwards, G. (ed.), Acidic and Alkaline Sizings for Printing, Writing, and Drawing Papers, Charlottesville, VA, USA: The Book and Paper Group Annual 23, pp. 139–151
    Bajpai, P. (2015), Pulp and Paper Chemicals (1st ed.), Amsterdam: Elsevier, ISBN 978-0-12-803408-8
    Arnson, T.; et al. (2005), J.M. Gess; J.M. Rodriguez (eds.), The Sizing of Paper (3rd ed.), Atlanta, GA, USA: TAPPI Press, ISBN 978-1-59510-073-3
    Hubbe, M.A. (2006), "Paper's Resistance to Water – A Review of Internal Sizing Chemicals and their Effects", BioResources, vol. 2, no. 1, pp. 106–145
  4. en.wikipedia.org › wiki › WikipediaWikipedia - Wikipedia

    Wikipedia[note 3] is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the use of the wiki-based editing system MediaWiki. Wikipedia is the largest and most-read reference work in history.[3][4] It is consistently ranked as one of the ten most popular ...

  5. en.wikipedia.org › wiki › ISO_3166-1ISO 3166-1 - Wikipedia

    ISO 3166-1 ( Codes for the representation of names of countries and their subdivisions – Part 1: Country codes) is a standard defining codes for the names of countries, dependent territories, and special areas of geographical interest. It is the first part of the ISO 3166 standard published by the International Organization for Standardization .

  6. A country's gross domestic product (GDP) at purchasing power parity (PPP) per capita is the PPP value of all final goods and services produced within an economy in a given year, divided by the average (or mid-year) population for the same year. This is similar to nominal GDP per capita but adjusted for the cost of living in each country.

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