IT1232346B - Procedimento per la separazione di composti di basso peso molecolare da una massa fusa di policaproammide. - Google Patents

Procedimento per la separazione di composti di basso peso molecolare da una massa fusa di policaproammide.

Info

Publication number
IT1232346B
IT1232346B IT8921884A IT2188489A IT1232346B IT 1232346 B IT1232346 B IT 1232346B IT 8921884 A IT8921884 A IT 8921884A IT 2188489 A IT2188489 A IT 2188489A IT 1232346 B IT1232346 B IT 1232346B
Authority
IT
Italy
Prior art keywords
polyapapamide
melted
separation
procedure
mass
Prior art date
Application number
IT8921884A
Other languages
English (en)
Other versions
IT8921884A0 (it
Inventor
Zdislavovna Bokareva Elvina
Vasiljevna Schinkorenko Jelena
Vasiljevic Terenko Viktor
Alksejevna Nosova Larisa
Isakovic Faidel Garri
Nurgalijevic Nurmuchomed Sijar
Viktorovic Beljakov Anatolij
Michailovic Vlasov Ivan
Original Assignee
Proizv Plastmassy Res Inst N
Vnii Sint Volokon
Werner & Pfleiderer
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 Proizv Plastmassy Res Inst N, Vnii Sint Volokon, Werner & Pfleiderer filed Critical Proizv Plastmassy Res Inst N
Publication of IT8921884A0 publication Critical patent/IT8921884A0/it
Application granted granted Critical
Publication of IT1232346B publication Critical patent/IT1232346B/it

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
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • 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
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/28—Preparatory processes
    • 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)
  • Polyamides (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
IT8921884A 1988-10-06 1989-09-29 Procedimento per la separazione di composti di basso peso molecolare da una massa fusa di policaproammide. IT1232346B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU4486831/05A SU1633798A1 (ru) 1988-10-06 1988-10-06 Способ удаления низкомолекулярных соединений из расплава поликапроамида

Publications (2)

Publication Number Publication Date
IT8921884A0 IT8921884A0 (it) 1989-09-29
IT1232346B true IT1232346B (it) 1992-01-28

Family

ID=21401066

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921884A IT1232346B (it) 1988-10-06 1989-09-29 Procedimento per la separazione di composti di basso peso molecolare da una massa fusa di policaproammide.

Country Status (5)

Country Link
US (1) US4963650A (it)
JP (1) JPH02218721A (it)
DE (1) DE3932793C2 (it)
IT (1) IT1232346B (it)
SU (1) SU1633798A1 (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5496918A (en) * 1991-09-23 1996-03-05 Alliedsignal Inc. Process for improving the properties of polymers
DE4328013C1 (de) * 1993-08-20 1994-09-15 Krupp Ag Hoesch Krupp Verfahren zum Trennen eines aus mehreren Komponenten bestehenden Stoffgemisches in einem Extruder
US5543495A (en) * 1994-03-08 1996-08-06 E. I. Du Pont De Nemours And Company Process for increasing the molecular weight of polyamides and other condensation polymers
JP4491848B2 (ja) * 1998-04-03 2010-06-30 東レ株式会社 ポリアミドの製造方法
KR100759658B1 (ko) 2000-04-21 2007-09-17 코닌클리즈케 디에스엠 엔.브이. 2개 이상의 상이한 점도를 갖는 폴리아미드의 동시 제조 방법
EP1148077A1 (en) * 2000-04-21 2001-10-24 Dsm N.V. Process for the simultaneous preparation of polymers of caprolactam with at least two different viscosities
DE102007057189A1 (de) 2007-11-28 2009-06-04 Automatik Plastics Machinery Gmbh Verfahren und Vorrichtung zur Herstellung von Polyamid
JP5702095B2 (ja) * 2010-09-09 2015-04-15 ユニチカ株式会社 精製ポリカプロアミドの製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361721A (en) * 1967-04-04 1968-01-02 Schwarza Chemiefaser Process for separating polyamide from monomer-removing solvent
DE2340261A1 (de) * 1973-08-09 1975-03-06 Werner & Pfleiderer Verfahren zum entfernen von oligomeren bestandteilen aus polyamiden
US4891420A (en) * 1988-06-30 1990-01-02 Basf Aktiengesellschaft Continuous process for the hydrolytic production of polycaprolactam by tempering unextracted granular polymer material with moist inert gas

Also Published As

Publication number Publication date
IT8921884A0 (it) 1989-09-29
US4963650A (en) 1990-10-16
SU1633798A1 (ru) 1994-01-15
DE3932793A1 (de) 1990-04-12
JPH02218721A (ja) 1990-08-31
DE3932793C2 (de) 1994-02-17

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950728