RO102490B1 - Material fibros pentru scopuri papetare si procedeu de obtinere a acestuia - Google Patents

Material fibros pentru scopuri papetare si procedeu de obtinere a acestuia

Info

Publication number
RO102490B1
RO102490B1 RO136120A RO13612088A RO102490B1 RO 102490 B1 RO102490 B1 RO 102490B1 RO 136120 A RO136120 A RO 136120A RO 13612088 A RO13612088 A RO 13612088A RO 102490 B1 RO102490 B1 RO 102490B1
Authority
RO
Romania
Prior art keywords
fibrous material
purposes
preparation process
stationery
polyacrylonitrile fibers
Prior art date
Application number
RO136120A
Other languages
English (en)
Other versions
RO102490A2 (ro
Inventor
Ioan Bicu
Fanica Mustata
Stefan Iacob
Original Assignee
Institutul De Chimie Macromoleculara "Petru Poni"
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 Institutul De Chimie Macromoleculara "Petru Poni" filed Critical Institutul De Chimie Macromoleculara "Petru Poni"
Priority to RO136120A priority Critical patent/RO102490B1/ro
Publication of RO102490A2 publication Critical patent/RO102490A2/ro
Publication of RO102490B1 publication Critical patent/RO102490B1/ro

Links

Landscapes

  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Paper (AREA)

Abstract

Fibrele poliacrilonitrilice, produse curent în scopuri textile, pot fi utilizate si în scopuri papetare, daca sînt supuse în prealabil unor tratamente chimice. Inventia se refera la un material fibros obtinut prin modificarea chimica, la suprafata, a fibrelor poliacrilonitrilice provenite din productia curenta cu solutii continînd hidroxizi alcalini, în conditii determinate de adaos si de alcalii active, hidromodul, temperatura si durata de reactie. Materialul fibros rezultat se utilizeaza la fabricarea hîrtiilor sintetice pe cale umeda.
RO136120A 1988-11-30 1988-11-30 Material fibros pentru scopuri papetare si procedeu de obtinere a acestuia RO102490B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO136120A RO102490B1 (ro) 1988-11-30 1988-11-30 Material fibros pentru scopuri papetare si procedeu de obtinere a acestuia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO136120A RO102490B1 (ro) 1988-11-30 1988-11-30 Material fibros pentru scopuri papetare si procedeu de obtinere a acestuia

Publications (2)

Publication Number Publication Date
RO102490A2 RO102490A2 (ro) 1991-10-21
RO102490B1 true RO102490B1 (ro) 1991-10-31

Family

ID=20122928

Family Applications (1)

Application Number Title Priority Date Filing Date
RO136120A RO102490B1 (ro) 1988-11-30 1988-11-30 Material fibros pentru scopuri papetare si procedeu de obtinere a acestuia

Country Status (1)

Country Link
RO (1) RO102490B1 (ro)

Also Published As

Publication number Publication date
RO102490A2 (ro) 1991-10-21

Similar Documents

Publication Publication Date Title
GB1507966A (en) Method of producing sheeting from a mixture of vegetable fibres and polyolefin
BR7704774A (pt) Processo para a producao de um material fibroso,destinado a producao de placas de fibras duras e papel ou papelao a partir de materias-primas vegetais contendo xilano
ES475819A1 (es) Procedimiento para la obtencion de un material laminar a partir de loofahs.
GB2116592B (en) Acrylonitrile fibers, a process for producing acrylonitrile fibers, as well as producing preoxidized fibers, fibrous active carbon or carbon fibers therefrom
SE7713648L (sv) Vatfell samt sett for dess framstellning
RO102490B1 (ro) Material fibros pentru scopuri papetare si procedeu de obtinere a acestuia
EP0031078A3 (en) Fine denier synthetic fibres and filaments and dry spinning process for their production
FR2538012B1 (fr) Procede pour desencrer a sec des fibres provenant de matieres premieres secondaires, fibres ainsi obtenues et procede de fabrication de papier en faisant usage
GB1387358A (en) Pulping methods and products
ES469030A1 (es) Procedimiento de obtencion de un aglutinante para la fabri- cacion de generos no tejidos.
SE7703457L (sv) Forfarande for framstellning av papper innehallande sterkelsefibrer och derav framstellt papper
RO86926B (ro) PROCEDEU PENTRU OBTINEREA CELOFIBREI CU GRAD îNALT DE ONDULARE SI MODUL UMED RIDICAT
GB708936A (en) Improvements in paper-making and like machine felts
JPS5361720A (en) Heat-bonding composite fibers and their production
JPS52137022A (en) Production of synthetic fibers
GB2003944B (en) Process and machine for wet spinning a roving of textile fibres and the yarn producing according to said process
DE3564295D1 (en) A process for preparing acrylonitrile-based filaments for carbon fibres free of agglutination
FR2330742A1 (fr) Procede de production de solutions concentrees d'urees et leur application a la teinture des fibres naturelles ou synthetiques
FR2304696A1 (fr) Procede et dispositif pour la fabrication d'un voile de fibres enchevetrees presentant approximativement une meme resistance mecanique en direction longitudinale et en direction transversale
JPS52103519A (en) Production of wholly aromatic polyamide fibers
JPS521133A (en) Heat-bonding composite fibers and a process for manufacturing them
SE8503477D0 (sv) Cellulosafibermaterial med forbettrade egenskaper
AR242999A1 (es) Mejoras en maquinas cardadoras de materia prima textil.
JPS5361719A (en) Polyester staple fibers having improved spinnability and their production
RO94288B1 (ro) PROCEDEU DE IMPRIMARE A TESATURILOR DIN FIBRE CELULOZICE îN AMESTEC CU LîNA SAU POLIESTER