FR869702A - Process for the manufacture, by means of vinyl polymers, of records for phonographs, especially of records for recording - Google Patents

Process for the manufacture, by means of vinyl polymers, of records for phonographs, especially of records for recording

Info

Publication number
FR869702A
FR869702A FR869702DA FR869702A FR 869702 A FR869702 A FR 869702A FR 869702D A FR869702D A FR 869702DA FR 869702 A FR869702 A FR 869702A
Authority
FR
France
Prior art keywords
records
phonographs
recording
manufacture
vinyl polymers
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
Other languages
French (fr)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie 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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR869702A publication Critical patent/FR869702A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/18—Plasticising macromolecular compounds
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use 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; Derivatives of such polymers
    • C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR869702D 1938-10-29 1941-02-03 Process for the manufacture, by means of vinyl polymers, of records for phonographs, especially of records for recording Expired FR869702A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1938D0079153 DE691382C (en) 1938-10-29 1938-10-29 Process for the production of records, in particular recording records, from vinyl polymers

Publications (1)

Publication Number Publication Date
FR869702A true FR869702A (en) 1942-02-13

Family

ID=7062913

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869702D Expired FR869702A (en) 1938-10-29 1941-02-03 Process for the manufacture, by means of vinyl polymers, of records for phonographs, especially of records for recording

Country Status (2)

Country Link
DE (1) DE691382C (en)
FR (1) FR869702A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458636A (en) * 1946-02-19 1949-01-11 Du Pont Process for precipitating polymer from aqueous emulsion
DE1062449B (en) * 1956-09-21 1959-07-30 Ernst Kalkhof Chem Fab Process for the production of record molding compounds

Also Published As

Publication number Publication date
DE691382C (en) 1940-05-24

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