MD3052G2 - Dispersion on base of calcium hydroxide for fixation and strengthening of frescoes, finishes and old ornamental elements of marble, concrete and mortar - Google Patents

Dispersion on base of calcium hydroxide for fixation and strengthening of frescoes, finishes and old ornamental elements of marble, concrete and mortar Download PDF

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Publication number
MD3052G2
MD3052G2 MDA20050188A MD20050188A MD3052G2 MD 3052 G2 MD3052 G2 MD 3052G2 MD A20050188 A MDA20050188 A MD A20050188A MD 20050188 A MD20050188 A MD 20050188A MD 3052 G2 MD3052 G2 MD 3052G2
Authority
MD
Moldova
Prior art keywords
dispersion
calcium hydroxide
base
fixation
frescoes
Prior art date
Application number
MDA20050188A
Other languages
Romanian (ro)
Russian (ru)
Other versions
MD3052F1 (en
Inventor
Андрей Виктор САНДУ
Иоан Габриель САНДУ
Тудор БОУНЕГРУ
Ирина Крина Анка САНДУ
Андрей-Виктор САНДУ
Original Assignee
Государственный Университет Молд0
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 Государственный Университет Молд0 filed Critical Государственный Университет Молд0
Priority to MDA20050188A priority Critical patent/MD3052G2/en
Publication of MD3052F1 publication Critical patent/MD3052F1/en
Publication of MD3052G2 publication Critical patent/MD3052G2/en

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

Abstract

The invention relates to a dispersion on base of calcium hydroxide used for fixation and strengthening of frescoes, finishes and old ornamental elements of marble, concrete and mortar.Summary of the invention consists in that the dispersion contains a microcolloidal dispersed system on base of calcium hydroxide in isopropyl alcohol and 0,5% N-cetyl pyridinium bromide, representing an opalescent solution, obtained as a result of stoichiometric reaction of the 55% CaCl2 solution, preliminarily heated up to 80°C and the 40% NaOH solution, taken in the mass ratio 1:1, with mixing during 20…30 min at the temperature of 80…90°C, with subsequent cooling and washing of the obtained precipitate with distilled water up to the disappearance of the Cl- and Na+ ions, with subsequent dispersion of the precipitate into a volume of isopropyl alcohol constituting half of the reaction initial mixture volume, in the presence of the aqueous solution of N-cetyl pyridinium (ketazol) bromide, with subsequent mixing of the obtained system during 60 min at the temperature of 35…40°C and decantation thereof.The result consists in obtaining a nontoxic biodecomposable dispersion providing a good fixation and adhesion to the object surface.
MDA20050188A 2005-07-04 2005-07-04 Dispersion on base of calcium hydroxide for fixation and strengthening of frescoes, finishes and old ornamental elements of marble, concrete and mortar MD3052G2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20050188A MD3052G2 (en) 2005-07-04 2005-07-04 Dispersion on base of calcium hydroxide for fixation and strengthening of frescoes, finishes and old ornamental elements of marble, concrete and mortar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20050188A MD3052G2 (en) 2005-07-04 2005-07-04 Dispersion on base of calcium hydroxide for fixation and strengthening of frescoes, finishes and old ornamental elements of marble, concrete and mortar

Publications (2)

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

Family

ID=36497650

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20050188A MD3052G2 (en) 2005-07-04 2005-07-04 Dispersion on base of calcium hydroxide for fixation and strengthening of frescoes, finishes and old ornamental elements of marble, concrete and mortar

Country Status (1)

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MD (1) MD3052G2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4068B1 (en) * 2009-06-22 2010-09-30 КОВАЛЕВА Ольга Process for working of wood products (variants)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1286868B1 (en) * 1996-10-31 1998-07-17 Consorzio Per Lo Sviluppo Dei STABLE SUSPENSIONS OF CALCIUM HYDROXIDE

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1286868B1 (en) * 1996-10-31 1998-07-17 Consorzio Per Lo Sviluppo Dei STABLE SUSPENSIONS OF CALCIUM HYDROXIDE

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
A. E. Charola, M. Laurenzi Tabasso, U. Santamaria. The effect of water on the hydrophobic properties of an acrylic resin. În: Proceddings of the 5th International Congres on Conservation of Stone, Lausanne, 1985, p. 739 *
I. Sandu, A. Dima, I. G. Sandu, C. Luca, Irina Crina Anca Sandu. Monitoring the behaviour of the restauration interventions of the Probota Monastry’s indoor under the influence of the environmental factors. I. În: Environmental Engineering and Management Journal (ISSN 1582-9596), vol. II, no. 1, March 2003, p. 55 *
I. Sandu, A. Dima, I. G. Sandu, C. Luca, Irina Crina Anca Sandu. Monitoring the behaviour of the restauration interventions of the Probota Monastry’s indoor under the influence of the environmental factors. II. Modification of the physical-structural and chemical caracteristics. În: Environmental Engineering and Management Journal (ISSN 1582-9596), vol. II, no. 4, December 2003, p. 317 *
I. Sandu, Irina Crina Anca Sandu, I. G. Sandu. Studii privind comportarea straturilor de preparaţie, după restaurarea frescelor de interior din biserica Mănăstirii Probota. I. Modificările caracteristicilor fizico-structurale, chimice şi hidrice. În: Monumentul. Tradiţie şi viitor, vol. II, Ed. Junimea (ISBN 973-37-0634-5), Iaşi, 2001, p. 216 *
Pasquale Rotondi. Il restauro degli affrescai del salone. În: Palazo Labia Oggi (editori B. Molaioli, A. Scattolin, P. Rotondi). Roma, 1970, Ed. RAI Radiotelevisione Italiana, p. 101 *
Paulo Mora, Giorgio Torrca. Fissativi per pitture murale. În: Boll. ICR, Roma, 1965, p. 109 *
Paulo şi Laura Mora, Paul Philippot. Conservarea picturilor murale. Bucureşti, Ed. Meridiane, 1986, p. 215 *
Rodorico Giorgi, Luigi Dei, Pierro Baglioni. A new method for consolidating wall paintings based on dispersions of lime in alcohol. În: Studies in Conservation, 45, 2000, p. 154 *
S. Z. Lewin, Norbert Baer. Rationale of the barium hydroxyde –ureea treatment of decayed stone. În: Studies in conservation, vol. 19, 1974, p. 24 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4068B1 (en) * 2009-06-22 2010-09-30 КОВАЛЕВА Ольга Process for working of wood products (variants)

Also Published As

Publication number Publication date
MD3052F1 (en) 2006-05-31

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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