CN103612305B - Fireproofing and insect-proofing modifying liquid for collection tools of files and cultural relics and application of modifying liquid - Google Patents
Fireproofing and insect-proofing modifying liquid for collection tools of files and cultural relics and application of modifying liquid Download PDFInfo
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- CN103612305B CN103612305B CN201310548945.2A CN201310548945A CN103612305B CN 103612305 B CN103612305 B CN 103612305B CN 201310548945 A CN201310548945 A CN 201310548945A CN 103612305 B CN103612305 B CN 103612305B
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Abstract
The invention provides a fireproofing and insect-proofing modifying liquid for collection tools of files and cultural relics and an application of the modifying liquid. The modifying liquid is composed of a solution A and an alum aqueous solution with a mass fraction of 15%-25%, wherein the solution A is composed of the following components in parts by weight: 1000 parts of water, 8-15 parts of urea, 40-120 parts of sodium tetraborate decahydrate, 5-20 parts of soluble carbonate, 60-140 parts of boric acid, 80-120 parts of sodium octoborate tetrahydrate, 15-35 parts of sodium fluoride, 20-30 parts of silica sol and 5-15 parts of potassium sorbate. The application method of the fireproofing and insect-proofing modifying liquid comprises the steps: soaking wood in water until the moisture content of the wood is above 66%; next, soaking the wood in the solution A, and in the soaking process, applying ultrasonic treatment every four hours; and finally, soaking the wood in the alum solution with the mass fraction of 15%-25%. The modifying liquid provided by the invention is low in price, non-volatile and non-toxic; the wood treated by using the modifying liquid does not generate toxic gases, has a good flame retardant effect, and is resistant to insects and good in leaching resistance; as a result, the wood can be used for fabricating the collection tools of files and cultural relics.
Description
Technical field
The invention belongs to timberphysics chemical modification technique field, be specifically related to a kind of modification liquid that makes the wood materials such as archives, historical relic harness there is fire protecting performance, and the application process of this modification liquid.
Background technology
At present, the many acid-free papers by strawboard, brown paper or function singleness of harness that archives, historical relic are generally used are made with flour paste bond processing, or leave in and do not have in the wooden filing container of scientific and technological content, file cabinet, but these cartons and wooden box are inflammable, easily infested.In order to prevent fires, the rich collection of the literary compositions such as archives, library and museum unit all drops into huge fund and perfects fireproofing installation when setting up an embassy.These facilities are all when big fire blazes up, water or CO
2fire extinguishing, lacks initiative prevention.Once breaking out of fire, the precious historical relic of part will be destroyed by fire, enables to survive roaring flame, also may be subject to infringement to a certain extent.In China national document collection unit, just once there is cigarette sense warning wrong report, cause water to pour among storehouse, destroy the accident of collection.For insect protected; archives, books, historical relic department generally adopt the chemicals such as camphor, naphthalene to prevent; with toxic drugs such as oxirane, Celfumes, kill; although to a certain extent historical relic is had to protective effect; but these chemical reagent pollute historical relic body and working environment, infringement health.
At present, a lot of about the report of fire-retarding of wood aspect both at home and abroad, in existing fire retardant, during organic fire-retardant burning, discharge a large amount of toxic gases and expensive; Halogen containing flame-retardant can produce the gases such as hydrogen halides when burning, can form dense smog, causes the mortal injury to human body; Resin type fire retardant, flame retardant effect is undesirable, poor permeability, wood color deepens; The feature of inorganic combustion inhibitor is good flame retardation effect, wide material sources, cheap.At present, the consumption of inorganic combustion inhibitor accounts for 60 % left and right of fire retardant aggregate demand, but its shortcoming is easy loss.
Summary of the invention
A technical problem to be solved by this invention is to provide a kind of good flame retardation effect, do not produce toxic gas, do not separate out, non-volatile, cheap, safe archives, relic collection harness fire prevention insect protected modification liquid.
Another technical problem to be solved by this invention is to provide a kind of new purposes for above-mentioned modification liquid.
Solving the problems of the technologies described above adopted technical scheme is: the present invention's alum solution that insect protected modification liquid is 15%～25% by solution A and mass fraction of preventing fires forms, and solution A is comprised of the raw material of following proportion by weight:
1000 parts, water
8～15 parts, urea
40～120 parts of sodium tetraborate decahydrates
5～20 parts of soluble carbonate salts
60～140 parts of boric acid
Four 80～120 parts of water eight Boratexes
15～35 parts of sodium fluorides
20～30 parts of Ludox
5～15 parts of potassium sorbates.
Above-mentioned solution A the best is comprised of the raw material of following proportion by weight:
1000 parts, water
12 parts, urea
80 parts of sodium tetraborate decahydrates
15 parts of soluble carbonate salts
90 parts of boric acid
Four 100 parts of water eight Boratexes
30 parts of sodium fluorides
25 parts of Ludox
10 parts of potassium sorbates.
The preparation method of above-mentioned archives, all fire prevention of relic collection dress insect protected modification liquid is: according to the proportion by weight of above-mentioned solution A, sodium tetraborate decahydrate, soluble carbonate salt, boric acid, four water eight Boratexes are added to the water, 60～70 ℃ of heating are stirred to completely dissolves, then add Ludox, urea, sodium fluoride, potassium sorbate, constant temperature continues to be stirred to solution clear, is mixed with solution A; Then prepare mass fraction and be 15%～25% alum solution.
The purposes of above-mentioned modification liquid in archives, relic collection harness fire prevention insect protected.Its using method is as follows:
1, timber to be processed is soaked in water, the ultrasonic echography that was 800～1200W with power every 4 hours 60 minutes, after the moisture content of timber reaches more than 66%, takes out timber.
2, timber moisture content being reached more than 66% is soaked in solution A, is heated to 50～70 ℃, the ultrasonic echography that was 800～1200W with power every 4 hours 60 minutes, and soaking total time is 48～72 hours, takes out timber.
3, step 2 being soaked in to mass fraction with the timber after solution A immersion treatment is in 15%～25% alum solution, soaks 30～60 minutes, takes out timber, naturally dries, and is processed into archives, relic collection harness.
The preferred technical scheme of the present invention is: the using method of above-mentioned modification liquid in archives, relic collection harness fire prevention insect protected is: the alum solution that this modification liquid is 15%～25% by solution A and mass fraction forms, and described solution A is comprised of the raw material of following proportion by weight:
1000 parts, water
8～15 parts, urea
40～120 parts of sodium tetraborate decahydrates
5～20 parts, sodium carbonate
60～140 parts of boric acid
Four 80～120 parts of water eight Boratexes
15～35 parts of sodium fluorides
20～30 parts of Ludox
5～15 parts of potassium sorbates
The preparation method of above-mentioned archives, all fire prevention of relic collection dress insect protected modification liquid is: according to the proportion by weight of above-mentioned solution A, sodium tetraborate decahydrate, sodium carbonate, boric acid, four water eight Boratexes are added to the water, 60～70 ℃ of heating are stirred to completely dissolves, then add Ludox, urea, sodium fluoride, potassium sorbate, constant temperature continues to be stirred to solution clear, is mixed with solution A; Then prepare mass fraction and be 15%～25% alum solution.
The using method of described modification liquid is comprised of following step:
(1) timber to be processed is soaked in water, the ultrasonic echography that was 800～1200W with power every 4 hours 60 minutes, after the moisture content of timber reaches more than 66%, takes out timber.
(2) timber moisture content being reached more than 66% is soaked in solution A, is heated to 50～70 ℃, the ultrasonic echography that was 800～1200W with power every 4 hours 60 minutes, and soaking total time is 48～72 hours, takes out timber.
(3) step (2) being soaked in to mass fraction with the timber after solution A immersion treatment is in 15%～25% alum solution, soaks 30～60 minutes, takes out timber, naturally dries, and is processed into archives, relic collection harness.
Above-mentioned solution A the best is comprised of the raw material of following proportion by weight:
1000 parts, water
12 parts, urea
80 parts of sodium tetraborate decahydrates
15 parts, sodium carbonate
90 parts of boric acid
Four 100 parts of water eight Boratexes
30 parts of sodium fluorides
25 parts of Ludox
10 parts of potassium sorbates.
The present invention utilizes the synergy between the inorganic superfine powders such as boric acid, borax, four water eight Boratexes, sodium fluoride, Ludox, Potassium aluminum sulfate dodecahydrate, obtain the fire retarding wood protection insect protected modification liquid of well fire-retardant, insect protected and leach resistance, make archives and historical relic realize durable collection, environmental protection collection, combat a natural disaster collection, ventilative collection and cheap collection.
Accompanying drawing explanation
Fig. 1 is the impact of ultrasonic processing on timber water absorption.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in more detail, but the invention is not restricted to these embodiment.
Embodiment 1
1, timber to be processed is soaked in water, the ultrasonic echography that was 800W with power every 4 hours 60 minutes, after the moisture content of timber reaches more than 66%, takes out timber.
2,80g sodium tetraborate decahydrate, 15g sodium carbonate, 90g boric acid, 100g tetra-water eight Boratexes are added in 1000g water, 60～70 ℃ of heating are stirred to completely dissolves, then add 25g Ludox, 12g urea, 30g sodium fluoride, 10g potassium sorbate, constant temperature continues to be stirred to solution clear, is mixed with solution A; The timber that moisture content is reached more than 66% is soaked in solution A, is heated to 60 ℃, the ultrasonic echography that was 800W with power every 4 hours 60 minutes, and soaking total time is 48 hours, takes out timber.
3, step 2 being soaked in to mass fraction with the timber after solution A immersion treatment is in 20% alum solution, soaks 40 minutes, takes out timber, naturally dries, and obtains having timber fire-retardant, insect protected performance, then timber is processed into archives, relic collection harness.
Embodiment 2
In embodiment 1,40g sodium tetraborate decahydrate, 5g sodium carbonate, 60g boric acid, 80g tetra-water eight Boratexes are added in 1000g water, 60～70 ℃ of heating are stirred to completely dissolves, then add 20g Ludox, 8g urea, 15g sodium fluoride, 5g potassium sorbate, constant temperature continues to be stirred to solution clear, is mixed with solution A.Other steps are identical with embodiment 1.
Embodiment 3
In embodiment 1,120g sodium tetraborate decahydrate, 20g sodium carbonate, 140g boric acid, 120g tetra-water eight Boratexes are added in 1000g water, 60～70 ℃ of heating are stirred to completely dissolves, then add 30g Ludox, 15g urea, 35g sodium fluoride, 15g potassium sorbate, constant temperature continues to be stirred to solution clear, is mixed with solution A.Other steps are identical with embodiment 1.
In order to prove beneficial effect of the present invention, inventor has carried out a large amount of laboratory research tests, and various test situation are as follows:
1, the impact of ultrasonic processing on timber water absorption
The paulownia wood that is 34cm * 1.9cm * 1.0cm to specification according to the method for embodiment 1 is processed, and weighs respectively the quality of paulownia wood before each ultrasonic processing, after processing, and studies the impact of ultrasonic processing on moisture content.As seen from Figure 1, in ultrasonic time section, the water in timber obtains energy, and temperature raises, and vapour pressure increases, and in timber, part solable matter is soluble in water, under the effect of internal pressure, by conduit, flow out, so timber water absorption reduces.Along with ultrasonic end, the water vapor pressure in timber declines, and when lower than external pressure, water can enter timber along conduit again.Operation repeatedly, the internal diameter of timber conduit constantly expands, and water absorption will increase rapidly, and medicine carrying amount also can constantly increase.
2, measure the medicine carrying amount of timber
According to the method for embodiment 1, respectively pine, paulownia wood, oak, persimmon wood are carried out to modification, after processing, water absorption rate and the medicine carrying quantitative determination of timber the results are shown in Table 1.
The mensuration of the different timber water absorption rates of table 1 and medicine carrying amount
As can be seen from Table 1, adopt the medicine carrying amount of pine, paulownia wood, oak and persimmon wood after the inventive method is processed all larger, far away higher than national B1 fire-protection rating national standard: suction dose is 30～80kg/m
3(with dry weight, calculating), wherein, the medicine carrying amount of paulownia wood and persimmon wood is maximum.
3, fire-retarding of wood performance measurement
Flame retardant effect for timber test specimen after comparison modification, inventor is according to GA/T42.2-92 < < fire retarding wood combustibility experimental technique fire tube method > >, adopt the PX-07-025 type fire retarding wood experimental rig that Suzhou Phoenix (phinix) quality inspection Instrument Ltd. provides to carry out fire resistance test to the paulownia blank test specimen of wood and paulownia wood processing test specimen, test specimen specification is 1016mm * 19mm * 10mm, liquefied petroleum gas flame height is 280mm, the flame retention time is 4 minutes.
Experimental result shows, the blank test specimen of paulownia wood all burnt down in 2 minutes, loss rate of quality after burning reaches 94.54%, and paulownia wood is processed 4 minutes charings of test specimen, 120 mm, loss rate of quality after burning is 10.68%, 2.1 seconds flaming combustion time, be significantly less than that mass loss rate is less than or equal to 60%, the flaming combustion time is less than or equal to the requirement of 4 minutes, therefore can be decided to be fire-retardant woodwork.
4, the test of oxygen index (OI)
According to GB/T2406-93 < < Plastics Combustion performance test method-oxygen index method > >, test, test result shows, the oxygen index (OI) of the blank test specimen of paulownia wood is 17.2, the oxygen index (OI) that paulownia wood is processed test specimen is 65.2, than the blank test specimen oxygen index (OI) of paulownia wood, improve 35%～68%, reached difficult firebrand material level.
5, wood preservation from decay performance measurement
For the insect protected performance of timber test specimen after comparison modification, inventor carries out anti-insect measure of merit according to DA/T 27-2000 archives insect-proof agent vermins-proof effect determination method to paulownia wood and persimmon wood before and after processing, and the results are shown in Table 2.
The mensuration of the anti-insect performance of table 2 timber
Note: in table +++ represent severe intoxication phenomenon, ++ represent moderate intoxication phenomenon ,-indicate without intoxicating phenomenon.
As can be seen from Table 2, adopt the timber after modification liquid of the present invention is processed, the prevention performance of the common insect pest of timber is strengthened greatly, do not have the timber of processing not prevent ability to common insect.
6, leach resistance test
According to the method for embodiment 1, respectively pine, paulownia wood, oak, persimmon wood are carried out to modification, then the pine after processing, paulownia wood, oak, persimmon wood test specimen are put into respectively to the beaker that fills clear water, soak 72 hours, take out, put into 105 ℃, baking oven and be dried 12 hours, weigh the quality of over dry test specimen, calculate its leach resistance.Result of the test is in Table 3.
The different timber leach resistance of table 3 test result
From table 3, adopt the timber after the inventive method modification, after soaking in water, in timber, the turnover rate of modification liquid is 7%～10%, anti-turnover rate obviously strengthens.
Claims (2)
1. the using method of modification liquid in archives, relic collection harness fire prevention insect protected, is characterized in that: the alum solution that this modification liquid is 15%～25% by solution A and mass fraction forms, and described solution A is comprised of the raw material of following proportion by weight:
1000 parts, water
8～15 parts, urea
40～120 parts of sodium tetraborate decahydrates
5～20 parts, sodium carbonate
60～140 parts of boric acid
Four 80～120 parts of water eight Boratexes
15～35 parts of sodium fluorides
20～30 parts of Ludox
5～15 parts of potassium sorbates
The preparation method of above-mentioned archives, all fire prevention of relic collection dress insect protected modification liquid is: according to the proportion by weight of above-mentioned solution A, sodium tetraborate decahydrate, sodium carbonate, boric acid, four water eight Boratexes are added to the water, 60～70 ℃ of heating are stirred to completely dissolves, then add Ludox, urea, sodium fluoride, potassium sorbate, constant temperature continues to be stirred to solution clear, is mixed with solution A; Then prepare mass fraction and be 15%～25% alum solution;
The using method of described modification liquid is comprised of following step:
(1) timber to be processed is soaked in water, the ultrasonic echography that was 800～1200W with power every 4 hours 60 minutes, after the moisture content of timber reaches more than 66%, takes out timber;
(2) timber moisture content being reached more than 66% is soaked in solution A, is heated to 50～70 ℃, the ultrasonic echography that was 800～1200W with power every 4 hours 60 minutes, and soaking total time is 48～72 hours, takes out timber;
(3) step (2) being soaked in to mass fraction with the timber after solution A immersion treatment is in 15%～25% alum solution, soaks 30～60 minutes, takes out timber, naturally dries, and is processed into archives, relic collection harness.
2. the using method of modification liquid according to claim 1 in archives, relic collection harness fire prevention insect protected, is characterized in that described solution A is comprised of the raw material of following proportion by weight:
1000 parts, water
12 parts, urea
80 parts of sodium tetraborate decahydrates
15 parts, sodium carbonate
90 parts of boric acid
Four 100 parts of water eight Boratexes
30 parts of sodium fluorides
25 parts of Ludox
10 parts of potassium sorbates.
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| CN103898797B (en) * | 2014-03-13 | 2015-04-08 | 陕西师范大学 | Production method of paper-based storage device with disaster prevention function |
| CN104128978A (en) * | 2014-06-25 | 2014-11-05 | 阜南县宏泰工艺品有限公司 | Leach-resistant efficient immersion liquid for reed modification, and use method thereof |
| CN104354199B (en) * | 2014-10-17 | 2016-07-13 | 东莞市热线家具有限公司 | A kind of plank soaks quick parasite killing and worm's ovum method and apparatus |
| CN108098952A (en) * | 2016-11-25 | 2018-06-01 | 丹阳市雅本化工技术有限公司 | Fire retardant and its preparation process |
| CN108098953A (en) * | 2016-11-25 | 2018-06-01 | 丹阳市雅本化工技术有限公司 | A kind of fire retardant and its preparation process |
| CN106482306B (en) * | 2016-12-13 | 2021-12-17 | 福建工程学院 | Photo archive ex-warehouse control system and control method |
| CN106985237B (en) * | 2017-04-21 | 2018-02-27 | 佛山市三水区仁和化工涂料有限公司 | A kind of preparation method of wooden cultural relic dehydration shaping strengthening agent |
| CN109183502A (en) * | 2018-08-09 | 2019-01-11 | 陕西师范大学 | A kind of preparation method and applications for collecting the mould proof modification liquid of harness acid-proof |
| CN110181636B (en) * | 2019-06-12 | 2020-10-02 | 黄凤武 | Silicon-boron-nitrogen ternary flame retardant for natural plant fiber material and preparation method thereof |
| CN110561578B (en) * | 2019-08-30 | 2020-10-30 | 贵州大学 | Multifunctional wood protective agent based on nano silica sol and preparation method thereof |
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| CN1287963C (en) * | 2002-12-13 | 2006-12-06 | 陕西理工学院 | Wood fire-retardant treating technology |
| CN100333644C (en) * | 2005-11-10 | 2007-08-29 | 耿生 | Fire retardant, anticorrosive insecticide, and preparation method |
| CN101725076B (en) * | 2009-11-26 | 2011-09-21 | 陕西师范大学 | Treating fluid for cultural relic collection packaging material and treating method thereof |
| CN102069519B (en) * | 2010-11-25 | 2013-10-23 | 浙江大学 | Fire retardant for wood, and preparation method and treatment process thereof |
| CN102319499B (en) * | 2011-07-19 | 2013-10-30 | 南京理工大学 | Built-up synergetic class-A/B water extinguishing agent series |
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