RO103509A2 - Production method of paper for resistent packages - Google Patents

Production method of paper for resistent packages

Info

Publication number
RO103509A2
RO103509A2 RO13939389A RO13939389A RO103509A2 RO 103509 A2 RO103509 A2 RO 103509A2 RO 13939389 A RO13939389 A RO 13939389A RO 13939389 A RO13939389 A RO 13939389A RO 103509 A2 RO103509 A2 RO 103509A2
Authority
RO
Romania
Prior art keywords
resistent
packages
paper
production method
nitrolignin
Prior art date
Application number
RO13939389A
Other languages
Romanian (ro)
Other versions
RO103509B1 (en
Inventor
I Elena Bobu
I Valentin Popa
Original Assignee
Institutul Politehnic
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 Politehnic filed Critical Institutul Politehnic
Priority to RO139393A priority Critical patent/RO103509B1/en
Publication of RO103509A2 publication Critical patent/RO103509A2/en
Publication of RO103509B1 publication Critical patent/RO103509B1/en

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  • Paper (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The process comprises introduction of nitrolignin into the pulp paste, to accelerate grinding and reduce energy costs. The nitrolignin is retained on the surface of the pulp fibres, through precipitation with aluminium sulphate.
RO139393A 1989-04-24 1989-04-24 Production method of paper for resistent packages RO103509B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO139393A RO103509B1 (en) 1989-04-24 1989-04-24 Production method of paper for resistent packages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO139393A RO103509B1 (en) 1989-04-24 1989-04-24 Production method of paper for resistent packages

Publications (2)

Publication Number Publication Date
RO103509A2 true RO103509A2 (en) 1991-12-02
RO103509B1 RO103509B1 (en) 1992-03-26

Family

ID=20124559

Family Applications (1)

Application Number Title Priority Date Filing Date
RO139393A RO103509B1 (en) 1989-04-24 1989-04-24 Production method of paper for resistent packages

Country Status (1)

Country Link
RO (1) RO103509B1 (en)

Also Published As

Publication number Publication date
RO103509B1 (en) 1992-03-26

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