MD3052F1 - Dispersie pe baza de hidroxid de calciu pentru fixarea si consolidarea frescelor, finisajelor si a elementelor ornamentale vechi din marmura, beton si mortar - Google Patents

Dispersie pe baza de hidroxid de calciu pentru fixarea si consolidarea frescelor, finisajelor si a elementelor ornamentale vechi din marmura, beton si mortar Download PDF

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Publication number
MD3052F1
MD3052F1 MDA20050188A MD20050188A MD3052F1 MD 3052 F1 MD3052 F1 MD 3052F1 MD A20050188 A MDA20050188 A MD A20050188A MD 20050188 A MD20050188 A MD 20050188A MD 3052 F1 MD3052 F1 MD 3052F1
Authority
MD
Moldova
Prior art keywords
dispersion
calcium hydroxide
frescoes
marble
mortar
Prior art date
Application number
MDA20050188A
Other languages
English (en)
Other versions
MD3052G2 (ro
Inventor
Ioan Gabriel Sandu
Ion SANDU
Tudor Bounegru
Irina Crina Anca SANDU
Andrei Victor SANDU
Original Assignee
Universitatea De Stat Din Moldova
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 Universitatea De Stat Din Moldova filed Critical Universitatea De Stat Din Moldova
Priority to MDA20050188A priority Critical patent/MD3052G2/ro
Publication of MD3052F1 publication Critical patent/MD3052F1/ro
Publication of MD3052G2 publication Critical patent/MD3052G2/ro

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  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Finishing Walls (AREA)

Abstract

Inventia se refera la o dispersie pe baza de hidroxid de calciu utilizata la fixarea si consolidarea frescelor, finisajelor si a elementelor ornamentale vechi din marmura, beton si mortar. Esenta inventiei consta in aceea ca dispersia contine un sistem dispers microcoloidal pe baza de hidroxid de calciu in alcool izopropilic si 0,5% bromura de N-cetilpiridina, care reprezinta o solutie opalescenta obtinuta in urma reactiei stoichiometrice dintre o solutie de CaCl2 55%, incalzita in prealabil pana la 80°C si o solutie de NaOH 40%, luate in raport de masa 1:1, la amestecare timp de 20...30 min la temperatura de 80...90°C, cu racirea ulterioara si spalarea precipitatului obtinut cu apa distilata pana la lipsa ionilor de Cl- si Na+, cu dispersarea ulterioara a precipitatului intr-un volum de alcool izopropilic ce constituie jumatate din volumul amestecului initial al reactiei, in prezenta solutiei apoase de bromura de N-cetilpiridina (cetazol), cu agitarea ulterioara a sistemului obtinut timp de 60 min la temperatura de 35...40°C si decantarea lui. Rezultatul consta in obtinerea unei dispersii, care nu este toxica, este biodegradabila, asigura o fixare si consolidare buna pe suprafata obiectelor.
MDA20050188A 2005-07-04 2005-07-04 Dispersie pe bază de hidroxid de calciu pentru fixarea şi consolidarea frescelor, finisajelor şi a elementelor ornamentale vechi din marmură, beton şi mortar MD3052G2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20050188A MD3052G2 (ro) 2005-07-04 2005-07-04 Dispersie pe bază de hidroxid de calciu pentru fixarea şi consolidarea frescelor, finisajelor şi a elementelor ornamentale vechi din marmură, beton şi mortar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20050188A MD3052G2 (ro) 2005-07-04 2005-07-04 Dispersie pe bază de hidroxid de calciu pentru fixarea şi consolidarea frescelor, finisajelor şi a elementelor ornamentale vechi din marmură, beton şi mortar

Publications (2)

Publication Number Publication Date
MD3052F1 true MD3052F1 (ro) 2006-05-31
MD3052G2 MD3052G2 (ro) 2006-12-31

Family

ID=36497650

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20050188A MD3052G2 (ro) 2005-07-04 2005-07-04 Dispersie pe bază de hidroxid de calciu pentru fixarea şi consolidarea frescelor, finisajelor şi a elementelor ornamentale vechi din marmură, beton şi mortar

Country Status (1)

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MD (1) MD3052G2 (ro)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4068B1 (ro) * 2009-06-22 2010-09-30 КОВАЛЕВА Ольга Procedeu de tratare a pieselor din lemn (variante)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1286868B1 (it) * 1996-10-31 1998-07-17 Consorzio Per Lo Sviluppo Dei Sospensioni stabili di idrossido di calcio

Also Published As

Publication number Publication date
MD3052G2 (ro) 2006-12-31

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Legal Events

Date Code Title Description
FG4A Patent for invention issued
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees