RO103193B1 - Procedeu pentru obtinerea developerului pentru masini electrostatice de copiat cu developare magnetica - Google Patents

Procedeu pentru obtinerea developerului pentru masini electrostatice de copiat cu developare magnetica

Info

Publication number
RO103193B1
RO103193B1 RO136554A RO13655488A RO103193B1 RO 103193 B1 RO103193 B1 RO 103193B1 RO 136554 A RO136554 A RO 136554A RO 13655488 A RO13655488 A RO 13655488A RO 103193 B1 RO103193 B1 RO 103193B1
Authority
RO
Romania
Prior art keywords
developer
production method
magnetic developing
hours
electrostatic copiers
Prior art date
Application number
RO136554A
Other languages
English (en)
Other versions
RO103193A2 (en
Inventor
Viorel Rat
Radu Valentin Vladea
Mariana Nela Stefanut
Tiberiu Ladislau Simadan
Lucian Mircea Rusnac
Radu Mirel Petcu
Original Assignee
Grupul Intreprinderilor De Gospodarire Comunala Si Locativa - Timis
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 Grupul Intreprinderilor De Gospodarire Comunala Si Locativa - Timis filed Critical Grupul Intreprinderilor De Gospodarire Comunala Si Locativa - Timis
Priority to RO136554A priority Critical patent/RO103193B1/ro
Publication of RO103193A2 publication Critical patent/RO103193A2/ro
Publication of RO103193B1 publication Critical patent/RO103193B1/ro

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  • Developing Agents For Electrophotography (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Procedeul conform inventiei se refera la obtinerea developerului pentru masini electrostatice de copiat cu developare magnetica, folosind tehnica pretratarii unor pulberi magnetice cu solventi organici halogenati, în prezenta de ultrasunete, si apoi uscare 12 h la 60...90 degree C în vid, dupa care se acopera în mod continuu cu un copolimer sau terpolimer în solutie, la 90...100 degree C, cînd are loc evaporarea solventului, developerului perfect uscat se mentine la 60...80 degree C timp de 12 h, astfel rezultînd particule cu o grosime a stratului depus de 0,2...1 mu m si o încarcare electrostatica a developerului de 13...30 mu c/g.
RO136554A 1988-12-19 1988-12-19 Procedeu pentru obtinerea developerului pentru masini electrostatice de copiat cu developare magnetica RO103193B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO136554A RO103193B1 (ro) 1988-12-19 1988-12-19 Procedeu pentru obtinerea developerului pentru masini electrostatice de copiat cu developare magnetica

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO136554A RO103193B1 (ro) 1988-12-19 1988-12-19 Procedeu pentru obtinerea developerului pentru masini electrostatice de copiat cu developare magnetica

Publications (2)

Publication Number Publication Date
RO103193A2 RO103193A2 (en) 1991-11-04
RO103193B1 true RO103193B1 (ro) 1992-05-25

Family

ID=20123140

Family Applications (1)

Application Number Title Priority Date Filing Date
RO136554A RO103193B1 (ro) 1988-12-19 1988-12-19 Procedeu pentru obtinerea developerului pentru masini electrostatice de copiat cu developare magnetica

Country Status (1)

Country Link
RO (1) RO103193B1 (ro)

Also Published As

Publication number Publication date
RO103193A2 (en) 1991-11-04

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