PL27821B1 - Method of wood saturation. - Google Patents

Method of wood saturation. Download PDF

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Publication number
PL27821B1
PL27821B1 PL27821A PL2782137A PL27821B1 PL 27821 B1 PL27821 B1 PL 27821B1 PL 27821 A PL27821 A PL 27821A PL 2782137 A PL2782137 A PL 2782137A PL 27821 B1 PL27821 B1 PL 27821B1
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PL
Poland
Prior art keywords
wood
zinc fluorosilicate
tar oil
added
zinc
Prior art date
Application number
PL27821A
Other languages
Polish (pl)
Filing date
Publication date
Application filed filed Critical
Publication of PL27821B1 publication Critical patent/PL27821B1/en

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Description

Zwiazki chemiczne, uzywane do nasy¬ cania drewna w celu , zabezpieczenia go przed zniszczeniem przez grzyby drzewne i owady, moga wywierac swe dzialanie nisz¬ czace na szkodniki w sposób dwojaki: 1) sole stale dyfunduja do soków od¬ zywczych, krazacych w grzybniach powo¬ dujac ich zatrucie i zanik, 2) ciecze wzglednie substancje oleiste wydzielaja faze gazowa, która dostaje sie do organizmu szkodników wskutek ich od¬ dychania i zabija je dzieki swym trujacym wlasciwosciom.Wynalazek niniejszy polega na zastoso¬ waniu do przesycania drewna substancji dzialajacych jednoczesnie obydwoma spo¬ sobami, Sposobem wedlug wynalazku jako sól stala stosuje sie sól cynkowa kwasu fluorp- -krzemo-wodorowego, jako skladajaca sie w swojej czesci metalowej i kwasowej z jonów o wybitnym dzialaniu grzybobój¬ czym.Do fluorokrzemianu cynku dodaje sie domieszke dwunitrofenolanu sodowego, soli równiez antyseptycznej, która skutecznie wspóldziala w utrwalaniu i zwiazaniu flu¬ orokrzemianu cynku z wlóknem drewna.Fluorokrzemian cynku i dwunitrofeno- lan sodu stosuje sie do nasycania drewna w roztworze wodnym przez wprowadzanie tego roztworu pod cisnieniem do drewna, umieszczonego w zelaznych cylindrach za¬ mknietych, lub przez moczenie drewna w kadziach otwartych.Po wyschnieciu drewna, nasyconego roztworem powyzszych soli, pokrywa sie je z zewnatrz warstwa oleju smolowcowego,otrzymanego przy destylacji wegla ka¬ miennego, jako srodka, wydzielajacego fa¬ ze gazowa (np. ksylen), która otacza drew¬ no i zabija zarazki szkodników.Mozna równiez drewno v nasycic tylko roztworem fluorokrzemianu cynku, a po wyschnieciu pokryc je warstwa oleju smo- lowcowego, w którym rozpuszczono u- przednio pewna ilosc dwunitrofenoli. PLChemical compounds used to saturate wood in order to protect it from damage by wood fungi and insects, can exert their destructive effect on pests in two ways: 1) the salts constantly diffuse into nutrient juices that circulate in the mycelium. As a result of their poisoning and disappearance, 2) liquids or oily substances emit a gas phase which enters the organism of pests due to their breathing and kills them thanks to their poisonous properties. The present invention consists in the use of substances which act simultaneously in both According to the invention, the zinc salt of fluorosilichydric acid is used as a solid salt, as it consists in its metal part and acid part of ions with an outstanding fungicidal effect. An admixture of sodium dinitrophenolate, a salt of also antiseptic, which effectively helps to fix and bind zinc fluorosilicate with wood fibers Zinc fluorosilicate and sodium dinitrophenate are used to impregnate wood in an aqueous solution by introducing this solution under pressure into the wood, placed in closed iron cylinders, or by soaking the wood in open vats. After drying the wood, saturated with a solution of the above salts, they are covered on the outside with a layer of tar oil, obtained in the distillation of hard coal, as a medium that gives off a gas phase (e.g. xylene), which surrounds the wood and kills pest germs. The wood can also be impregnated only with a zinc fluorosilicate solution, and after drying, coat it with a layer of tar oil in which a certain amount of dinitrophenols has previously been dissolved. PL

Claims (3)

Zastrzezenia patentowe.. 1. Sposób przesycania drewna, dobrze wysuszonego, znamienny tym, ze najpierw przesyca sie drewno fluorokrzemianem cynku, a nastepnie powleka sie drewno o- lejem smolowcowym, otrzymanym przy de¬ stylacji wegla kamiennego, który dziala jako trucizna oddechowa na szkodniki drewna.Claims ... 1. A method of impregnating wood, well dried, characterized in that the wood is first impregnated with zinc fluorosilicate, and then the wood is coated with tar oil obtained in the distillation of hard coal, which acts as a respiratory poison for wood pests . 2. Sposób wedlug zastrz. 1, znamienny tym, ze dodaje sie do fluorokrzemianu cyn¬ ku domieszke dwunitrofenolanu sodu w roz¬ tworze wodnym lub w roztworze olejowym w celu lepszego utrwalenia fluorokrzemianu cynku we wlóknie drewna.2. The method according to claim A process as claimed in claim 1, characterized in that an admixture of sodium dinitrophenolate in an aqueous solution or an oily solution is added to the zinc fluorosilicate in order to better fix the zinc fluorosilicate in the wood fiber. 3. Sposób wedlug zastrz. 1 lub 2, zna¬ mienny tym, ze do oleju smolowcowego do¬ daje sie pewna ilosc dwunitrofenolanu so¬ du. Adolf Kazimierz Stempel. L)ruk^L. Boguslawskiego i Ski, Warszawa; PL3. The method according to p. 1 or 2, characterized in that a certain amount of sodium dinitrophenolate is added to tar oil. Adolf Kazimierz Stempel. L) ruk ^ L. Boguslawski and Ski, Warsaw; PL
PL27821A 1937-07-10 Method of wood saturation. PL27821B1 (en)

Publications (1)

Publication Number Publication Date
PL27821B1 true PL27821B1 (en) 1939-01-31

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