FR1188817A - Process for improving polyamides by treating polyamide turnings with water containing hydrazine - Google Patents

Process for improving polyamides by treating polyamide turnings with water containing hydrazine

Info

Publication number
FR1188817A
FR1188817A FR1188817DA FR1188817A FR 1188817 A FR1188817 A FR 1188817A FR 1188817D A FR1188817D A FR 1188817DA FR 1188817 A FR1188817 A FR 1188817A
Authority
FR
France
Prior art keywords
turnings
polyamides
improving
water containing
containing hydrazine
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of FR1188817A publication Critical patent/FR1188817A/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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/46—Post-polymerisation treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR1188817D 1957-03-20 1957-12-19 Process for improving polyamides by treating polyamide turnings with water containing hydrazine Expired FR1188817A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT1188817X 1957-03-20
IT349075X 1957-03-20
IT2978439X 1957-03-20

Publications (1)

Publication Number Publication Date
FR1188817A true FR1188817A (en) 1959-09-25

Family

ID=30119217

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1188817D Expired FR1188817A (en) 1957-03-20 1957-12-19 Process for improving polyamides by treating polyamide turnings with water containing hydrazine

Country Status (2)

Country Link
US (1) US2978439A (en)
FR (1) FR1188817A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL125467C (en) * 1960-08-24
BE628309A (en) * 1962-02-12
US3374207A (en) * 1964-11-12 1968-03-19 Inventa Ag Continuous process for the extraction of monomers and oligomers from highly polymerized caprolactam granules
US3373145A (en) * 1965-04-29 1968-03-12 Allied Chem Washing of polymer particulates by regular periodic ebb and flow of aqueous solvent

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735840A (en) * 1956-02-21 Vacuum pump
US2731081A (en) * 1953-04-13 1956-01-17 Ind Rayon Corp Method for the removal of monomers, etc. from molten polymers

Also Published As

Publication number Publication date
US2978439A (en) 1961-04-04

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