GB179586A - Improved manufacture of plastic materials - Google Patents

Improved manufacture of plastic materials

Info

Publication number
GB179586A
GB179586A GB178821A GB178821A GB179586A GB 179586 A GB179586 A GB 179586A GB 178821 A GB178821 A GB 178821A GB 178821 A GB178821 A GB 178821A GB 179586 A GB179586 A GB 179586A
Authority
GB
United Kingdom
Prior art keywords
mixed
plastic materials
product
improved manufacture
acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB178821A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB178821A priority Critical patent/GB179586A/en
Publication of GB179586A publication Critical patent/GB179586A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/28—Chemically modified polycondensates
    • C08G8/32—Chemically modified polycondensates by organic acids or derivatives thereof, e.g. fatty oils

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

An initial liquid condensation product, formed by reaction of phenol with formaldehyde or trioxymethylene in the presence or absence of basic catalysts, is mixed with over 5 per cent of an organic carboxylic acid, such as lactic, acetic, or formic acid, without any mineral acid, and the mixture is heated until it become a viscous liquid which does not adhere to a metal surface. This product, or a solution thereof in alcohol or other solvent, is mixed with a filler, such as asbestos, wood flour, or china clay, to give a plastic mass which can be pressed in moulds. The moulded articles are subsequently converted into hard infusible products by heating. Specification 156,675 is referred to.
GB178821A 1921-01-11 1921-01-11 Improved manufacture of plastic materials Expired GB179586A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB178821A GB179586A (en) 1921-01-11 1921-01-11 Improved manufacture of plastic materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB178821A GB179586A (en) 1921-01-11 1921-01-11 Improved manufacture of plastic materials

Publications (1)

Publication Number Publication Date
GB179586A true GB179586A (en) 1922-05-11

Family

ID=9727988

Family Applications (1)

Application Number Title Priority Date Filing Date
GB178821A Expired GB179586A (en) 1921-01-11 1921-01-11 Improved manufacture of plastic materials

Country Status (1)

Country Link
GB (1) GB179586A (en)

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