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GB470484A - Manufacture of sheets or films of artificial materials - Google Patents

Manufacture of sheets or films of artificial materials

Info

Publication number
GB470484A
GB470484A GB30935/35A GB3093535A GB470484A GB 470484 A GB470484 A GB 470484A GB 30935/35 A GB30935/35 A GB 30935/35A GB 3093535 A GB3093535 A GB 3093535A GB 470484 A GB470484 A GB 470484A
Authority
GB
United Kingdom
Prior art keywords
softening
polymerizate
sheets
films
manufacture
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
GB30935/35A
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.)
Deutsche Celluloid Fabrik AG
Original Assignee
Deutsche Celluloid Fabrik AG
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 Deutsche Celluloid Fabrik AG filed Critical Deutsche Celluloid Fabrik AG
Publication of GB470484A publication Critical patent/GB470484A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/02—Homopolymers or copolymers of unsaturated alcohols
    • C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The process described in the parent Specification, according to which thin sheets are produced by rolling at a temperature near its softening point a powdered homogeneous or heterogeneous polymerizate of vinyl alcohol or its derivatives or acrylic acid or its derivatives in the presence of a small proportion of a true solvent and if required a small proportion of a softening agent, is modified by feeding to the rollers the polymerizate together with one or more softening agents, the proportion of the softening agents being determined by the softening point of the polymerizate, and thereafter extracting the softening agent from the sheet by means of an indifferent solvent.
GB30935/35A 1934-11-10 1935-11-08 Manufacture of sheets or films of artificial materials Expired GB470484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE470484X 1934-11-10

Publications (1)

Publication Number Publication Date
GB470484A true GB470484A (en) 1937-08-13

Family

ID=6541131

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30935/35A Expired GB470484A (en) 1934-11-10 1935-11-08 Manufacture of sheets or films of artificial materials

Country Status (2)

Country Link
FR (2) FR795872A (en)
GB (1) GB470484A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE751675C (en) * 1937-11-11 1952-03-31 Aeg Cable insulation and sheathing made of polyvinyl chloride or polyvinyl chloride-containing copolymers and plasticizers
NZ199130A (en) * 1980-12-15 1985-07-31 Colgate Palmolive Co Water-soluble film;mixture of polyvinyl alcohol and polyacrylic acid

Also Published As

Publication number Publication date
FR795872A (en) 1936-03-24
FR46706E (en) 1936-08-10

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