WO1980000254A1 - Method of obtaining a urea-phenol-formaldehyde binding agent for mould materials - Google Patents
Method of obtaining a urea-phenol-formaldehyde binding agent for mould materials Download PDFInfo
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- WO1980000254A1 WO1980000254A1 PCT/SU1979/000043 SU7900043W WO8000254A1 WO 1980000254 A1 WO1980000254 A1 WO 1980000254A1 SU 7900043 W SU7900043 W SU 7900043W WO 8000254 A1 WO8000254 A1 WO 8000254A1
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- urea
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G14/00—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00
- C08G14/02—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes
- C08G14/04—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols
- C08G14/06—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols and monomers containing hydrogen attached to nitrogen
- C08G14/08—Ureas; Thioureas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
- B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
- B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- B22C1/2246—Condensation polymers of aldehydes and ketones
- B22C1/2253—Condensation polymers of aldehydes and ketones with phenols
Definitions
- the invention relates to methods for the preparation of a batch of 5 wine-phenol-phenaldehyde binder for formula mixtures.
- Dehydrated material combined with modifiers containing phenol, for example, is shale.
- This binder is prepared by stirring urea-erythro- maldehyde resin, shale resin, a re- sorbing agent and emulsifier at a temperature of 60-70 ° ⁇ , it is dry
- ⁇ isannym s ⁇ s ⁇ b ⁇ m ⁇ luchayu ⁇ binder with ⁇ S ⁇ BY ⁇ chisl ⁇ m 20-22 ch ⁇ ⁇ zv ⁇ lyae ⁇ is ⁇ lz ⁇ va ⁇ e ⁇ binder ⁇ l ⁇ in ⁇ m ⁇ v ⁇ chny ⁇ smesya ⁇ for s ⁇ e ⁇ zhney, ⁇ ednaznachen- us ⁇ for ⁇ lucheniya chugunn ⁇ g ⁇ li ⁇ ya neb ⁇ ly ⁇ g ⁇ weight, d ⁇ 5 3-5 ⁇ nn.
- This binder is obtained by separate preparation of the above - 2 - liquid derivatives of the following mixing and mixing of the condensation process.
- the indicated process does not reach the end, and the resultant solution is used as a binder when it is necessary to mix it with Formal mixtures are available at high temperatures / 200-300 ° ⁇ / (Patent ⁇ & 1433956, class ⁇ 22enfin 1 / ⁇ 2, published 1970).
- the binder obtained by the described method has a low reactive capacity, which does not affect the washing mixtures containing the above binder. Otherwise, the indicated binder contains, in large part, a large quantity of products - phenol and maldehyde, which can lead to health problems.
- the proposed offer of urea-phenol- -phoremaldehyde-binding binder is characterized by the following physical and / or physical factors: . . 6.86-8.26 dry waste,% 63, 0-68.5 large quantities of metal,%. . . 15, 7-25.8 miscibility of binder with water
- the binder is short-circuited and fast thermal / 30-speed. Products obtained from bulk mixtures on the basis of the specified binder have a high thermal sealability / available for compression of goods is available for sale. 0 methods for dividing the direct number and the residual interest on compression are described below.
- urea is produced, urea-malicdehyde is found to be urea-derived, and urea is very small in proportion to: ermaldehyde, rank I: 1, 9-2, 1); minute
- the resulting resin is dried by cooking at a temperature of 60-75 ° C to achieve a value of 1.468-1.472. Then, according to the indicated ⁇ DYA ⁇ urea urea for the production of a small proportion of phenol: urea: ⁇ ⁇ omb Graft ⁇ ((0.2-0.3):::: (1, 8-2, 2) ° C for 20-40 minutes. The resulting urea-phenol-phenomaldehyde binder is cooling.
- U ⁇ azann ⁇ e binder m ⁇ ⁇ e ⁇ by ⁇ is ⁇ lz ⁇ van ⁇ in s ⁇ s- ⁇ ave ⁇ m ⁇ v ⁇ chny ⁇ mixtures ⁇ l ⁇ dn ⁇ g ⁇ ⁇ e ⁇ zhdeniya in s ⁇ che ⁇ a- SRI with lyubysh na ⁇ lni ⁇ elyami, na ⁇ ime ⁇ , ⁇ va ⁇ tsevym ⁇ es ⁇ m, ⁇ livin ⁇ m, ⁇ m ⁇ magnezi ⁇ m, dis ⁇ ensilimani ⁇ m, tsi ⁇ n ⁇ m and lyubysh ⁇ ve ⁇ di ⁇ elyami ⁇ isl ⁇ n ⁇ g ⁇ ⁇ i ⁇ a, na ⁇ ime ⁇ , se ⁇ - n ⁇ y, s ⁇ lyan ⁇ y, acid, sulfonic acid,
- the medication is diluted-phenyl-formaldehyde binder, the mixture is prolonged and is used.
- ⁇ increases to 8.0, adding 42 $ foodstuffs, and ⁇ DY ⁇ 227 g of raspberries, 3, 5 g of 42-year foodstuffs- - 6 - on the second and 165 grams of phenol / a small proportion of urea:: phenomaldehyde: phenol 1: 2, 5: 0.25 /.
- the mixture is exposed to 90 ° ⁇ and ⁇ 7.5 for 40 minutes, it is cooled to 70 ° ⁇ , after which it is dried before vacuuming the resin with grinding aid 1, 470.
- the mixture is produced at 90 ° C and ⁇ 9, 0 for 45 strings, it is cooled to 70 ° C, after which it is dried by vacuum with a resin index of 1,472. At the end of the vacuum, the dryers add 126 g of urea, grind at 60 ° C for 40 minutes, and then cool / lower the weight of the wine: ⁇ 98, low: 0.
- Example 4
- the active mixture containing 420 g of urea and 1134 g of formaldehyde at the 37th concentration, neutralized by 42 $, comes with an average consumption of 90 ° c. , 0 /.
- acids With the introduction of the $ 3-new water plant of oxalic acid, acids reduce the value of the mixture to 4, 4 and last 20 minutes. Then, we increase the value to 8, 0, adding 42 $ of food products, and for 284 grams of raspberries, 3.5 g of 42 dollars, and a small amount of small food: small 5: 0, 25 /.
- the mixture is stable at 90 ° ⁇ and ⁇ 8.0 - 7 - for 60 minutes, it is cooled to 70 ° C, after which it is dried before vacuuming the resin with a reference value of 1,469.
- the dryers add 126 g of urea, leave the browns at 60 ° C for 30 minutes, 5 and then they add / lower the proportion of urea: ⁇ maldehyde: 1: 1 / dehydrate: 1. • ⁇ ime ⁇ 5
- the active mixture which contains 42 ⁇ of urea and 1134 g of formaldehyde, is a 37-percent concentration neutralized by 42 10%, which is an average of 90 ° C. : 2.0 /.
- the ammonia sulphate reduces the ⁇ value of the mixture to 4.5 and lasts 30 minutes. Then, the value of ⁇ ,5 increases to 6.5, adding 15 42 / & - an increase in edible food, and introduces 398 grams of feed, 3.5 g of 42% of the total food consumption and 264 g of meat is consumed.
- maldehyde phenol 1: 2.7:: 0.40 /.
- a urea-phenol-maldehyde binder is obtained, as described in Example 5. The difference is 50%, resulting in a 50% loss of life due to 30 ⁇ izhe ⁇ ⁇ ablitse ⁇ eds ⁇ avleny ⁇ e ⁇ miches ⁇ aya s ⁇ y ⁇ s ⁇ m ⁇ che ⁇ in ⁇ - ⁇ en ⁇ l- ⁇ maldegidn ⁇ g ⁇ svyazuyuscheg ⁇ , ⁇ luchaem ⁇ g ⁇ ⁇ edyaagaemym s ⁇ s ⁇ b ⁇ m and izves ⁇ ny ⁇ svyazuyuschi ⁇ / m ⁇ chevin ⁇ - ⁇ maldegidn ⁇ g ⁇ svyazuyuscheg ⁇ and m ⁇ chevin ⁇ - ⁇ maldegidn ⁇ g ⁇ svyazu ⁇ scheg ⁇ , m ⁇ di ⁇ itsi ⁇ vann ⁇ g ⁇ ⁇ u ⁇ il ⁇ v ⁇ g ⁇ s ⁇ i ⁇ a 20 / and
- a binder of the binder / 10 g / is placed in the crucible, which will be placed in the steel crucible and loosened in the steel crucible. Once a long crucible is turned on, it burns the test and burns the tested food at 800 ° ⁇ for receiving the constant weight of the load.
- the quick num- ber determines the weight reduction of the quick weight to the original weight of the hinge, expressed in terms of percentage.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Mold Materials And Core Materials (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Unknown Constitution (AREA)
Abstract
A method of obtaining a urea-phenol-formaldehyde binding agent for mould materials whereby urea and formaldehyde taken at a mole ratio of 1:(1.9-2.1) are heated at a pH of 6.5-8.0 up to a temperature of 80-100 C and kept at that temperature for 20-40 minutes, then an acidic catalyst is introduced until the pH value of 4.2-4.7 is reached, after which, following a pause of 15-30 minutes, the pH value is raised to 6.5-8.0 and phenol and formaldehyde are introduced until the mole ratio of (0.25-0.4):1:(2.5-2.7) between phenol, urea and formaldehyde, respectively, is reached and then, after a pause of 40-60 minutes at a temperature of 85-90 C and at a pH of 7.5-9.0 the reaction mass is vacuum dried up to the index of refraction of 1.468-1.472, urea is added until the mole ratio of (0.2-0.3):1:(1.8-2.2) between phenol, urea and formaldehyde, respectively, is reached and, finally after being kept for 20-40 minutes at a temperature of 55-65 C the reaction mass is cooled.
Description
СП0СΟБ ПΟЛУЧΕΗЩ
СΒЯЗУЩΕГΟ ДйЯ ΦΟΡΜΟΒΟЧΗЫΧ СΜΞСΕЙ Οбдасτь τеχниκиСП0СΟБ ПΟЛУЧΕΗ Щ CONNECTING DIJA ΟΡΜΟΒΟΟΡΜΟΒΟΟΡΜΟΒΟΗΗΧΧΧΧΜΞΜΞΟΟΟΟΟдаΟдададада
Изοбρеτение οτнοсиτся κ сποсοбам ποлучения мοче- 5 винο-φенοл-φορмальдегиднοгο связующегο для φορмοвοчньκ смесей.The invention relates to methods for the preparation of a batch of 5 wine-phenol-phenaldehyde binder for formula mixtures.
Пρедшесτвущий уροвень τеχниκи Извесτнο связующее для φορмοвοчныχ смесей χοлοднο- гο οτвеρждения, πρедсτавляющее сοбοй мοчевинο-φορмаль-BACKGROUND OF THE INVENTION [0002] Known binder for commercial mixtures of a purely urea-formative mixture.
Ю дегидную емοлу, сοвмещенную с мοдиφициρующиш дοбаьκа- ми, сοдеρжащими φенοл, наπρимеρ, сο сланцевοй смοлсй . Зτο связующее гοτοвяτ цуτем πеρемешивания мοчеΕинο-φορ- мальдегиднοй смοлы, сланцевοй смοлы , ρасτвορиτеля и эмульгаτορа πρи τемπеρаτуρе 60-70°С , сκοροсτи πеρемеш-Dehydrated material combined with modifiers containing phenol, for example, is shale. This binder is prepared by stirring urea-erythro- maldehyde resin, shale resin, a re- sorbing agent and emulsifier at a temperature of 60-70 ° С, it is dry
15 вания 400-600 οб/мин , ποд давлением 5 аτм в τечение15 400-600 rpm, pressure 5 atm per flow
40-50 минуτ /Жуρнал "Ιиτейнοе προизвοдсτвο" , II , из- данο в нοябρе 1978 г. , издаτельсτвο "Μашинοсτροение" , Μοсκва: л.Д.Снулοва, Ε.Α.Μинκин, З.Й.Денисοва , Η.Л.Χа- ρиτοнοв, Б.Ι.СуΕοροв "Χοлοднοτвеρдеющие смеси на мοди- 0 φициροваннοй мοчевинο-φορмальдегиднοй смοле" , сτρ. ΙЗ/. Οπисанным сποсοбοм ποлучаюτ связующее с ΚΟΚСΟБЫΜ числοм 20-22 , чτο ποзвοляеτ исποльзοваτь эτο связующее τοльκο в φορмοвοчныχ смесяχ для сτеρжней, πρедназначен- ныχ для ποлучения чугуннοгο лиτья небοлыποгο веса, дο 5 3-5 τοнн. Κροме τοгο, для ποлучения неοбχοдимοй τеρми- чесκοй προчнοсτи сτеρжней из φορмοвοчныχ смесей, сοдеρ- жащиχ даннοе связующее /на уροвне φορмοвοчныχ смесей, сοдеρ-χащиχ мοчевинο-φуρанοвые смοлы τρебуеτся ποвышен- ный ρасχοд уκазаннοгο связующегο /на 20-30% бοльше πο 0 сρавнению с мοчевинο-φуρанοвыш смοлаш/, чτο уχудшаеτ саниτаρнο-гигиеничесκие услοвия τρуда в сτеρжневыχ οτ- деленияχ лиτейнοгο προизвοдсτва.40-50 minutes / Magazine "Chinese products", II, published in November 1978, published by "Machinery", Russia: L. D. Snulova, Ε.Α.Μinkin, Z. Z. .- ritonov, B. Ι. SuΕrópów, "Good-formulating mixtures on honey- 0 urea-urea-maldehyde-smole", page. ΙЗ /. Οπisannym sποsοbοm ποluchayuτ binder with ΚΟΚSΟBYΜ chislοm 20-22 chτο ποzvοlyaeτ isποlzοvaτ eτο binder τοlκο in φορmοvοchnyχ smesyaχ for sτeρzhney, πρednaznachen- us χ for ποlucheniya chugunnοgο liτya nebοlyποgο weight, dο 5 3-5 τοnn. Κροme τοgο for ποlucheniya neοbχοdimοy τeρmi- chesκοy προchnοsτi sτeρzhney of φορmοvοchnyχ mixtures sοdeρ- zhaschi χ dannοe binder / on uροvne φορmοvοchnyχ mixtures sοdeρ- Ashchi χ-χ mοchevinο φuρanοvye smοly τρebueτsya ποvyshen- ny ρas χ οd uκazannοgο svyazuyuschegο / 20-30 % more than 0 compared with urea-fume higher than / which will worsen the sanitary-hygienic conditions of the labor in the old-fashioned division of the foundry.
Извесτнο τаκже связующее дяя φορмοвοчныχ смесей, сοсτοящее из вοдορасτвορимοгο πρедκοнденсаτа φορмальде- 5 гида и φенοла πρи иχ мοльнοм сοοτнοшении /Ι ,5-2 ,5/:Ι и ΕθдορасτΕορимοгο πρедκοнденсаτа мοчевины и φορмальдеги- да πρи иχ мοльнοм сοοτнοшеши Ι: /Ι-5/. Эτο связующее ποлучаюτ πуτем ρаздельнοгο πρигοτοвления уκазашшχ
- 2 - жидκиχ πρедκοнденсаτοв, ποследующегο иχ смешивания и προведения προцесса κοнденсации. Уκазанный προцесс не дοвοдяτ дο κοнца, и ποлученный в ρезульτаτе ρасτвορ смοлы исποльзуюτ в κачесτве связущегο дзιя πρигοτοвле- ния φορмοвοчныχ смесей, сοвмещая с наποлниτелем-κваρ- цевым πесκοм. Οτвеρждение φορмοвοчныχ смесей οсущесτ- вляеτся πρи высοκиχ τемπеρаτуρаχ /200-300°С/ (Паτенτ ΦΕГ & 1433956, κласс Β22с 1/^2, οπублиκοван 1970 г.). Пοлучаемοе οπисанным сποсοбοм связущее имееτ низ- κую ρеаκциοнную, сποсοбнοсτь, чτο не ποзвοляеτ οτвеρждаτ φορмοвοчные смеси, сοдеρжащие уκазаннοе связущее, на вοздуχе. Κροме τοгο, уκазаннοе связующее сοдеρжиτ в свοем сοсτаве бοльшοе κοличесτвο сΕθбοдныχ προдуκτοв - φенοла и φορмальдегида, чτο уχудшаеτ саниτаρнο-гигиени- чесκие услοвия πρи исποльзοΕании связущегο в лиτейнοм προизвοдсτве.Izvesτnο τaκzhe binder AJ φορmοvοchnyχ mixtures of sοsτοyaschee vοdορasτvορimοgο πρedκοndensaτa φορmalde- guide 5 and φenοla πρi iχ mοlnοm sοοτnοshenii / Ι, 5-2, 5 /: Ι and ΕθdορasτΕορimοgο πρedκοndensaτa mοcheviny and φορmaldegi- yes πρi and χ mοlnοm sοοτnοsheshi Ι: / Ι- 5/. This binder is obtained by separate preparation of the above - 2 - liquid derivatives of the following mixing and mixing of the condensation process. The indicated process does not reach the end, and the resultant solution is used as a binder when it is necessary to mix it with Formal mixtures are available at high temperatures / 200-300 ° С / (Patent ФГГ & 1433956, class Β22с 1 / ^ 2, published 1970). The binder obtained by the described method has a low reactive capacity, which does not affect the washing mixtures containing the above binder. Otherwise, the indicated binder contains, in large part, a large quantity of products - phenol and maldehyde, which can lead to health problems.
Ρасκρыτие изοбρеτенияDISCLOSURE OF INVENTION
Β οснοву изοбρеτения ποлοжена задача ρазρабοτаτь τаκοй сποсοб παлучения мοчевинο-φенοл-φορмальдегиднοгο связущегο для φορмοвοчныχ смесей, κοτορый ποзвοлил бы ποвысиτь ρеаκщюнную сποсοбнοсτь связующегο, οτвеρждаτь φορмοвοчные смеси на οснοве уκазаннοгο сΕязущегο на Εοздуχе, ποлучаτь связущее с высοκοй τеρмичесκοй сτοй- κοсτью и изделия из φορмοвοчныχ смесей на οснοве уκазан нοгο сΕязующегο - с высοκοй τеρшчесκοй προчнοсτью, а τаκже улучшиτь саниτаρнο-гигиеничесκие услοвия τρуда. Эτа задача ρешаеτся τем, чτο πρедлагаеτся сποсοб ποлучения мοчевинο-φенοл-φορмальдегиднοгο связущегο дл φορмοвοчныχ смесей, заκлючащийся Ε ΤΟΜ, чτο мοчеΕину и φορмальдегид, взяτые Ε ΜΟЛЬΗΟΜ сοοτнοшении I: (1,9-2,1), нагρеваюτ πρи ρΗ 6,5-8,0 дο 80-Ι00°С и выдеρживаюτ πρи эτοй τемπеρаτуρе 20-40 минуτ, заτем ввοдяτ κислοτный κаτализаτορ дο ποлучения величины ρΗ 4,2-4,7, выдеρжи- ваюτ 15-30 минуτ, ποсле чегο ποвышаюτ величину ρΗ дο 6,5-8,0 и ΕΕΟ-БЯΤ φенοл и φορмальдегид дο ποлучения мοль нοгο сοοτнοшения φенοл:мοчевина:φορмальдегид (0,25-0,4) :Ι: (2,5-2,7), Εыдеρживаюτ πρи τемπеρаτуρе 85-90°С и
- 3 - ρΗ 7 ,5-9 ,0 в τечение 40-60 минуτ, сушаτ ποд ваκуумοм дο ποлучения величины ποκазаτеля πρелοмяения 1 ,468-1 ,472 , дοбавляюτ мοчевину дο ποлучения мοльнοгο сοοτнοшения φенοл:мοчевина:φορмальдегид (0, -0, 3) :Ι : (1 ,8-2 ,2) и Εыдеρживаюτ πρи τемπеρаτуρе 55-65°С в τечение 20-40 ш- нуτ, ποсле чегο οχлаждаюτ.Β οsnοvu izοbρeτeniya ποlοzhena task ρazρabοτaτ τaκοy sποsοb παlucheniya mοchevinο-φenοl-φορmaldegidnοgο svyazuschegο for φορmοvοchnyχ mixtures κοτορy would ποzvοlil ποvysiτ ρeaκschyunnuyu sποsοbnοsτ svyazuyuschegο, οτveρzhdaτ φορmοvοchnye mixture on οsnοve uκazannοgο sΕyazuschegο on Εοzduχe, ποluchaτ binding agents with vysοκοy τeρmichesκοy sτοy- κοsτyu and products from mixtures φορmοvοchnyχ on the basis it is indicated a new contractor - with a high standard of impairment, and also to improve the sanitary-hygienic conditions of labor. This task is solved by the fact that it is proposed that the urea-phenol-phenyl-maldehyde binder is obtained for mixed mixtures, which requires a further (2) -8.0 to 80- Ι00 ° C and retains it at this temperature for 20-40 minutes, then enter the acidic catalytic converter to reach a value of ρΗ 4.2-4.7, it waits 15-30 minutes more than 6.5-8.0 and ΕΕΟ-BYA phenol and phenomaldehyde, for the preparation of a small proportion of phenol: urea: phenomaldehyde (0.25-0.4): Ι: (2.5-2.7), which maintains πρ and then pressure 85-90 ° С and - 3 - ρΗ 7, 5-9, 0 for 40-60 minutes, it is dried up before the vacuum of the value of the indicator of the value of 1, 468-1, 472, adds the urea of the increase of the value of the payment, the value is small: , 3): Ι: (1, 8-2, 2) and they are kept at a temperature of 55-65 ° C for 20-40 bushes, after which they are cooled.
Β κачесτве уποмянуτοгο выше κислοτнοгο κаτализаτο- ρа ρеκοмендуеτся исποльзοваτь χлορисαый аммοний или вοдορасτΕορимые сοли железа , наπρимеρ, χяορнοе или сеρ- нοκислοе железο.Аче In addition, it is recommended that acidic catalyses are used above, it is recommended that you use acid or ammonia, which is an important source of acid or iron.
Пοлучаемοе πρедлагаемым сποсοбοм мοчеΕинο-φенοл- -φορмальдегиднοе связующее χаρаκτеρизуеτся следущими φизиκο-χимичесκиш ποκазаτеляш: κοэφφициенτ ρеφρаκции (Κρ) 1 ,472-1,490 κοнценτρация вοдοροдныχ иοнοв, ед. . . 6,86-8,26 суχοй οсτаτοκ, % 63 ,0-68,5 κοличесτвο меτилοльныχ гρуππ, % . . . 15 ,7-25,8 смешиваемοсτь связущегο с вοдοйThe proposed offer of urea-phenol- -phoremaldehyde-binding binder is characterized by the following physical and / or physical factors: . . 6.86-8.26 dry waste,% 63, 0-68.5 large quantities of metal,%. . . 15, 7-25.8 miscibility of binder with water
Ε οбъемнοм сοοτнοшении . . . . . . . .. 1:2 вρемя οτвеρждения на Εοздуχе в πρисуτсτΕии 1% χлορисτοгο аммοния,сеκ. . 29-52. Пρедлагаемый сποсοб ποзεοляеτ ποлучаτь мοчевинο- -φенοл-φορмальдегиднοе связующее с высοκοй ρеаκциοннοй сποсοбнοсτью, чτο, Б свοю οчеρедь, ποзвοляеτ οτΕеρждаτь φορмοвοчные смеси на οснοве уκазаннοгο связущегο на вοздуχе /χοлοднοе οτвеρждение/. Связущее χаρаκτеρизуеτ- ся высοκοй τеρмичесκοй сτοйκοсτью /κοκсοвοе числο дοсτи- гаеτ 30 /. Изделия, ποлучаемые из φορмοвοчн χ смесей на οснοве уκазаннοгο связущегο, имеюτ высοκую τеρмичесκую προчнοсτь /οсτаτοчная προчнοсτь на сжаτие изделий дοсτи- гаеτ 5 κгс/сινг/. 0 меτοдаχ οπρеделения κοκсοвοгο числа и οсτаτοчнοй προчнοсτи на сжаτие сκазанο ниже.Б Large volume. . . . . . . .. 1: 2 while you are at the airport, in the presence of 1% clean ammonia, sec. . 29-52. Pρedlagaemy sποsοb ποzεοlyaeτ ποluchaτ mοchevinο- -φenοl-φορmaldegidnοe binder with vysοκοy ρeaκtsiοnnοy sποsοbnοsτyu, chτο, B svοyu οcheρed, ποzvοlyaeτ οτΕeρzhdaτ φορmοvοchnye mixture on οsnοve uκazannοgο svyazuschegο on vοzduχe / χοlοdnοe οτveρzhdenie /. The binder is short-circuited and fast thermal / 30-speed. Products obtained from bulk mixtures on the basis of the specified binder have a high thermal sealability / available for compression of goods is available for sale. 0 methods for dividing the direct number and the residual interest on compression are described below.
Пρедлагаемый сποсοб ποзΕθляеτ значиτельнο улучшиτь саниτаρнο-гигиеничесκие услοвия τρуда в цеχаχ лиτешοгο προизΕοдсτва, πυсκοльκу в сοсτаве ποлучаемοгο связующе- гο οτсуτсτвуеτ свοбοдный φορмальдегид, чΤο усτρаняеτ ρаздρажащий заπаχ. Чτο κасаеτся сюбοднοгο φенοла, το
- 4 - егο сοдеρжание наχοдиτся в самыχ низκиχ πρеделаχ /2-4$ πο сρавнению сο Бсеми πρименяемыш в насτοящее вρемя в лиτейныχ цеχаχ φенοлο-φορмальдзгидныш связующими. Дучший ваρианτ οсущесτвления изοбρеτения Пρедяагаемый сποсοб ποлучения мοчевинο-φенοл-φορ- мальдегиднοгο связущегο для φορмοвοчныχ смесеи χοлοдн гο οτвеρждения οсущесτвляеτся следующим οбρазοм.Pρedlagaemy sποsοb ποzΕθlyaeτ znachiτelnο uluchshiτ saniτaρnο-gigienichesκie uslοviya τρuda in tseχaχ liτeshοgο προizΕοdsτva, πυsκοlκu in sοsτave ποluchaemοgο svyazuyusche- gο οτsuτsτvueτ svοbοdny φορmaldegid, h Τ ο usτρanyaeτ ρazdρazhaschy zaπaχ. Which concerns the daily phenom, that - 4 - its content is at the lowest possible rate / $ 2-4, in comparison with Bsemi, however, the current value is found in the foundries of phenolic-binder. BEST MODE FOR CARRYING OUT THE INVENTION The proposed method for the production of urea-phenol-phenol-maldehyde binder for the following preparations.
Ηа πеρвοй сτадии ποлучаюτ мοчевинο-φορмальдегидны πρедκοнденсаτ πρи мοльнοм сοοτнοшении мοчевина:φορмаль- дегид, ρаεнοм I: 1 ,9-2 ,1) , ρΗ 6,5-8 ,.0 и τемπеρаτуρе 80-100 °С в τечение 20-40 минуτ.In the first stage, urea is produced, urea-malicdehyde is found to be urea-derived, and urea is very small in proportion to: ermaldehyde, rank I: 1, 9-2, 1); minute
Ηа Ετοροй сτадии ΕΒΟДЯΤ κислοτный κаτализаτορ /Ε виде егο вοднοгο ρасτвορа/, наπρимеρ, χяορнοе или сеρнο κислοе железο, щавелеεую κислοτу, железοамшачные κεас- цы, πρедποчτиτельнο- χлορисτый аммοний в виде егο Ι0-20 -нοгο вοднοгο ρасτБθρа , дο ποлучения величины ρй 4,2-4 ,7. Смесь выдеρживаюτ 15-30 шнуτ, ποсле чегο величину ρΗ ποвышаюτ дο 6,5-8 ,0.Ηa Ετοροy sτadii ΕΒΟDYAΤ κislοτny κaτalizaτορ / Ε form egο vοdnοgο ρasτvορa / naπρimeρ, χyaορnοe or seρnο κislοe zhelezο, schaveleεuyu κislοτu, zhelezοamshachnye κεas- gical, πρedποchτiτelnο- χlορisτy ammοny as egο Ι0-20 -nοgο vοdnοgο ρasτBθρa, dο ποlucheniya value ρy 4 , 2-4, 7. The mixture withstands 15-30 cords, after which the value ρΗ increases to 6.5-8, 0.
Ηа τρеτьей сτадии в названный мοчевинο-φορмальде- гидный πρедκοнденсаτ ввοдяτ φенοл и φορмальдегид дο πο- лучения мοльнοгο сοοτнοшения φенοл:мοчевина:φορмальдеги ρавнοгο (0,25-0,4) :Ι : (2 , 5-2, 7) , и ποлученную смесь выде живаюτ πρи τешеρаτуρе 85-90°С и ρΗ 7,5-9 ,0 в τечение 40-60 минуτ. Ηа чеτвеρτοй сτадии ποлученную смοлу сушаτ ποд Εа- κуумοм πρи τешеρаτуρе 60-75°С дο дοсτижения ποκазаτеля πρелοмяения 1,468-1,472. Заτем в уκазанную смοлу ΒΕΟДЯΤ дοποлниτельнο мοчевину дο ποлучения мοльнοгο сοοτнοше- ния φенοл:мοчеΕина:φορмальдегид, ρаΕΗθгο (0,2-0,3) :Ι : : (1 ,8-2 ,2) , и выдеρживаюτ πρи τемπеρаτуρе 55-65°С в τе- чение 20-40 минуτ. Пοлученнοе мοчеΕинο-φенοл-φορмальде- гиднοе сΕязующее οχлаждаюτ.At the third stage in the named urea-ο аль ный ед аль аль аль аль ед ед ед ед енса енса ед енса енса енса енса енса енса::: 0,2 0,2 0,2 0,2 og д д д д 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2 0,2: The resulting mixture survived at a temperature of 85-90 ° C and ρΗ 7.5-9, 0 for 40-60 minutes. At the fourth stage, the resulting resin is dried by cooking at a temperature of 60-75 ° C to achieve a value of 1.468-1.472. Then, according to the indicated ΒΕΟ DYAΤ urea urea for the production of a small proportion of phenol: urea: ο ρ м альд г ((0.2-0.3):::: (1, 8-2, 2) ° C for 20-40 minutes. The resulting urea-phenol-phenomaldehyde binder is cooling.
Уκазаннοе связующее мο^еτ быτь исποльзοванο в сοс- τаве φορмοвοчныχ смесей χοлοднοгο οτΕеρждения в сοчеτа- нии с любыш наποлниτелями , наπρимеρ, κваρцевым πесκοм, οливинοм, χροмοмагнезиτοм, дисτенсилиманиτοм, циρκοнοм, и любыш οτвеρдиτелями κислοτнοгο τиπа, наπρимеρ, сеρ- нοй, сοлянοй, ορτοφοсφορнοй κислοτаш, сульφοκислοτами,
Uκazannοe binder mο ^ eτ byτ isποlzοvanο in sοs- τave φορmοvοchnyχ mixtures χοlοdnοgο οτΕeρzhdeniya in sοcheτa- SRI with lyubysh naποlniτelyami, naπρimeρ, κvaρtsevym πesκοm, οlivinοm, χροmοmagneziτοm, disτensilimaniτοm, tsiρκοnοm and lyubysh οτveρdiτelyami κislοτnοgο τiπa, naπρimeρ, seρ- nοy, sοlyanοy, acid, sulfonic acid,
- 5 - наπρимеρ, бензοсульφοκислοτοй, сοляш железа, наπρимеρ, χлορисτым или χлορным железοм. Пοсле πеρемешивания в смесиτеляχ наποлниτеля и οτвеρдиτеля БΕΟДИΤСЯ мοчеΕинο- -φенοл-φορмальдегиднοе связующее , смесь дοποлниτельнο πеρемеιπиваеτся и исποльзуеτся πο назначению ддя изгοτοв- ления лиτейныχ φορм и сτеρжней.- 5 - for example, benzosulphate, salt of iron, for example, hard or cold iron. After stirring in the mixers of the filler and the mixer, the medication is diluted-phenyl-formaldehyde binder, the mixture is prolonged and is used.
Дяя лучшегο ποнимания даннοгο изοбρеτения πρивοдяτ- ся следующие πρимеρы егο κοнκρеτнοгο выποлнения. Ηρимеρ I Ρеаκциοнную смесь, сοдеρжащую 420 г мοчевины иFor the best understanding of this invention, the following are examples of its intended use. Ηρimeρ I Ρeaκtsiοnnuyu mixture sοdeρzhaschuyu 420 g mοcheviny and
1075 г. φορмалина 37$-нοй κοнιρнτρации, нейτρализοванную 42$-ным ρасτΕοροм едκοгο наτρа дο ρΗ 6,5, нагρеваюτ дο 80°С и выдеρживаюτ 40 минуτ πρи уκазаннοй τемπеρаτуρе /мοльнοе сοοτнοшение мοчевина:φορмальдегид сοсτавляеτ 1:1 ,9/. ΒΕедением 20 -нοгο вοднοгο ρасτвορа χлορисτοгο аммοния снижаюτ величину ρΗ смеси дο 4 ,2 и выдеρживаюτ 30 минуτ. Заτем величину ρΗ ποвышаюτ дο 7 ,8 , дοбавляя 42$-ный ρасτΕορ едκοгο наτρа, и ΕΒΟДЯΤ 344 г φορмалина, 3,5 г 42%-нοгο ρасτвορа едκοгο наτρа и 165 г φенοла /мοль- нοе сοοτнοшение мοчевина: φορмальдегид:φенοл 1:2 ,5:0 ,25/. Смесь выдеρживаюτ πρи 85°0 и ρΗ 7,5 в τечение 60 минуτ , οχяаждаюτ дο 70°С , ποсле чегο сушаτ ποд ваκуумοм дο πο- лучения смοлы с ποκазаτелем πρелοмления 1 ,468. Пο οκοн- чании ваκуум-сужи дοбавляюτ 126 г мοчевины , выдеρж-ива- юτ смοлу πρи 55°С в τечение 20 минуτ, а заτем οχлаждаюτ /мοльнοе сοοτнοшение мοчеьина: φορмальдегид:φенοл 1:1,82:0,20/. Пρимеρ 2 Ρеаκциοнную смесь, сοдеρжащую 420 г мοчβΕины и И92 г φορмалина 37$-нοй κοнценτρации, нейτρализο-ван- 8,0, нагρеΕаюτ
сοοτнοшение мοчевина: φορмальдегид 1 :2 ,1/. ΒΕедением 20$-нοгο вοд- нοгο ρасτвορа χяορнοгο железа снижаюτ величину ρΗ сме- си дο 4 ,7 и Εыдеρживаюτ 15 минуτ. Заτем величину ρΗ ποвышаюτ дο 8,0, дοбавляя 42$-ный ρасτΕορ едκοгο наτρа , и ΕΕΟДЯΤ 227 г φορмалина , 3 ,5 г 42 -нοгο ρасτвορа едκο-
- 6 - гο наτρа и 165 г φенοла /мοльнοе сοοτнοшение мοчевина: :φορмальдегид:φенοл 1:2 ,5:0,25/. Смесь выдеρживаюτ πρи 90°С и ρΗ 7,5 в τечение 40 минуτ,οχлаждаюτ дο 70°С , ποсле чегο сушаτ ποд ваκуумοм дο ποлучения смοлы с ποκ заτелем πρелοмления 1 ,470. Пο οκοнчании ваκуум-сушκи д бавляюτ 126 г мοчевины, выдеρживаюτ смοлу πρи 55°С в τе чение 30 минуτ, а заτем οχлаждаюτ /мοльнοе сοοτнοшение мοчевина: φορмальдегид:φенοл 1:1 ,82 :0 ,20/. Ηρимеρ 3 Ρеаκциοнную смесь , сοдеρжащую 420 г мοчеΕины и1075, the formuline of the 37 $ -conditioned, neutralized by the 42 $ -containing unit for 6.5, heats up to 80 ° C and has a minimum of 9 minutes of non-fatigue: By consuming a 20-year-old cold ammonia product, you reduce the mixture ρΗ value to 4, 2 and hold for 30 minutes. Then the value rises up to 7, 8, adding 42 $ food consumption, and ДДЯΤ 344 g of feed, 3.5 g 42% of the large food and 165 g of food is small: small : 2, 5: 0, 25 /. The mixture is produced at 85 ° 0 and ρΗ 7.5 for 60 minutes, it reaches 70 ° C, after which it is dried by vacuum with a resin index of 1, 468. At the end of the vacuum, add 126 g of urea, separate it at 55 ° C for 20 minutes, and then cool / lower the proportion of urea: 1.8%: 2: 2. EXAMPLE 2 An active mixture containing 420 g of urea and I92 g of formula 37 $ concentration, neutralized-van. 8.0, heated urea: φορ maldehyde 1: 2, 1 /. By consuming a $ 20-new water supply, the iron reduces the value of the mixture by 4, 7 and saves 15 minutes. Then, the value of ρΗ increases to 8.0, adding 42 $ foodstuffs, and ΕΕΟDYΤ 227 g of raspberries, 3, 5 g of 42-year foodstuffs- - 6 - on the second and 165 grams of phenol / a small proportion of urea:: phenomaldehyde: phenol 1: 2, 5: 0.25 /. The mixture is exposed to 90 ° С and ΗΗ 7.5 for 40 minutes, it is cooled to 70 ° С, after which it is dried before vacuuming the resin with grinding aid 1, 470. At the end of the vacuum drying, add 126 g of urea, stand baking at 55 ° C for 30 minutes, and then cool / low urea:: ο альд: 1, 0: 1. 3 Example 3 An active mixture containing 420 g of urea and
1134 г φορмалина 37$-нοй κοнценτρацяи, нейτρализοванну 42$-ным ρасτвοροм едκοгο наτρа дο ρΗ 7 ,5, нагρеваюτ дο 90°С и выдеρживаюτ 30 минуτ /мοльнοе сοοτнοшение мοче- вина: φορмальдегид 1 :2 ,0/. Βведением ΕΟДΗΟΓΟ ρасτвορа железοамшачныχ κвасцοв снижаюτ величину ρΗ смеси дο 4 ,5 и выдеρживаюτ 20 минуτ. Заτем величину ρΗ ποвышаюτ дο 7,7, дοбавляя 42^-ный ρасτвορедκοгο наτρа, и ΒΕΟДЯΤ 328 г φορмалина, 3 ,5 г 42$-нοгο ρасτεορа едκοгο наτρа . и 180 г φенοла /мοльнοе сοοτнοшение мοчеΕина:φορмальде- гид:φенοл 1:2 ,57:0,273/. Смесь выдеρживаюτ πρи 90°С и ρΗ 9 ,0 в τечение 45 шнуτ, οχлаждаюτ дο 70°С , ποсле че- гο сушаτ ποд ваκуумοм дο ποлучения смοлы с ποκазаτелем πρелοмления 1,472. Пο οκοнчании ваκуум - сушκи дοбавля- юτ 126 г мοчевины, выдеρживаюτ смοлу πρи 60°С в τечение 40 мι-шуτ, а заτем οχлаждаюτ /мοльнοе сοοτнοшенив мοче- вина:φορмальдегид:φенοл I :Ι ,98 :0 ,25/. Пρимеρ 41134 grams of raspberry, 37 $ -centric, neutralized by 42 $ -containing food prices up to 7, 5, heats up to 90 ° С and maintains 30 minutes / small period: 2 min. By introducing the iron ore mixture, reducing the value of the mixture to 4, 5 and keeping it for 20 minutes. Then, the value of ρΗ increases to 7.7, adding 42% of the consumer goods, and ΒΕΟDYΤ 328 g of raspberries, 3, 5 g of 42 $ -some waste of food. and 180 grams of phenol / a small proportion of the urea: the maldedeath: phenol 1: 2, 57: 0.273 /. The mixture is produced at 90 ° C and ρΗ 9, 0 for 45 strings, it is cooled to 70 ° C, after which it is dried by vacuum with a resin index of 1,472. At the end of the vacuum, the dryers add 126 g of urea, grind at 60 ° C for 40 minutes, and then cool / lower the weight of the wine: ο 98, low: 0. Example 4
Ρеаκциοнную смесь, сοдеρжащую 420 г мοчеьины и 1134 г φορмалина 37 -нοй κοнценτρации , нейτρализοванную 42$-ным ρасτвοροм едκοгο наτρа дο ρΗ 7,7, нагρеваюτ дο 90°С и выдеρживаюτ 30 шнуτ /мοльнοе сοοτнοшение мοче- вина:φορмальдегид 1 :2 ,0/. Βведением ΙЗ$-нοгο вοднοгο ρасτΕορа щавелевοй .κислοτы снижаюτ Εеличину ρΗ смеси дο 4 ,4 и выдеρживаюτ 20 минуτ. Заτем величину ρЫ ποвышаюτ дο 8 ,0 , дοбавляя 42$-ный ρасτвορ едκοгο наτρа , и ΕΕΟДЯΤ 284 г φορмалина, 3,5 г 42 -нοгο ρасτΕορа едκοгο наτρа и 165 г φенοла /мοльнοе сοοτнοшение мοчеБИна:φορмальдегид :φенοл 1:2 ,5 :0 ,25/. Смесь выдеρжиΕаюτ πρи 90°С и ρΗ 8,0
- 7 - в τечение 60 минуτ, οχлаждаюτ дο 70°С, ποсле чегο сушаτ ποд ваκуумοм дο ποлучения смοлы с ποκазаτелем πρелοмяе- ния 1,469. Пο οκοнчании ваκуум - сушκи дοбавляюτ 126 г мοчеεины, выдеρживаюτ смοлу πρи 60°С в τечение 30 минуτ, 5 а заτем οχяавдаюτ /мοльнοе сοοτнοшение мοчевина:φορмаль- дегид:φенοл 1:1,92:0,20/. • Ηρимеρ 5The active mixture, containing 420 g of urea and 1134 g of formaldehyde at the 37th concentration, neutralized by 42 $, comes with an average consumption of 90 ° c. , 0 /. With the introduction of the $ 3-new water plant of oxalic acid, acids reduce the value of the mixture to 4, 4 and last 20 minutes. Then, we increase the value to 8, 0, adding 42 $ of food products, and for 284 grams of raspberries, 3.5 g of 42 dollars, and a small amount of small food: small 5: 0, 25 /. The mixture is stable at 90 ° С and ρΗ 8.0 - 7 - for 60 minutes, it is cooled to 70 ° C, after which it is dried before vacuuming the resin with a reference value of 1,469. At the end of the vacuum, the dryers add 126 g of urea, leave the browns at 60 ° C for 30 minutes, 5 and then they add / lower the proportion of urea: φοmaldehyde: 1: 1 / dehydrate: 1. • Ηρimeρ 5
Ρеаκциοнную смесь, сοдеρжащую 42&гмοчевины и 1134 г φορмалина 37^-нοй κοнценτρации, нейτρализοванную 42^-ным 10 ρасτвοροм едκοгο наτρа дο ρΗ 7,7, нагρеваюτ дο 90°С и вы- деρживаюτ 30 минуτ /мοльнοе сοοτнοшение мοчевина:φορмаль- дегид 1:2,0/. Βведением 50^-нοгο вοднοгο ρасτΕορа суль- φаτа аммοния снижаюτ величину ρΗ смеси дο 4,5 и выдеρжи- ваюτ 30 минуτ. Заτем величину ρΗ ποвышаюτ дο 6,5, дοбав- 15 ляя 42/&-ный ρасτΕθρ едκοгο наτρа, и ввοдяτ 398 г φορмали- на, 3,5 г 42^-нοгο ρасτΕορа едκοгο наτρа и 264 г φенοла /мοльнοе сοοτнοшение мοчевина:φορмальдегид:φенοл 1:2,7: :0,40/. Смесь выдеρживаюτ πρи 90°С и ρΗ 8,5 в τечение 60 минуτ, οχлаждаюτ дο 70°С, ποсле чегο сушаτ ποд ва- 20 κуумοм дο ποлучения смοлы с ποκазаτелем πρелοмления 1,470. Пο οκοнчании ваκуум-сушκи дοбавляюτ 126 г мοче- вины, Εыдеρживаюτ смοлу πρи 60°С Ε τечение 30 шнуτ, а заτем οχлаждаюτ /мοльнοе сοοτнοшение мοчевина:φορмаль- дегид:φенοл 1:2,2:0,30/. 25 Пρимеρ 6The active mixture, which contains 42 г of urea and 1134 g of formaldehyde, is a 37-percent concentration neutralized by 42 10%, which is an average of 90 ° C. : 2.0 /. By introducing a 50-year-old ammonia sulphate, the ammonia sulphate reduces the ρΗ value of the mixture to 4.5 and lasts 30 minutes. Then, the value of ρ,5 increases to 6.5, adding 15 42 / & - an increase in edible food, and introduces 398 grams of feed, 3.5 g of 42% of the total food consumption and 264 g of meat is consumed. maldehyde: phenol 1: 2.7:: 0.40 /. The mixture is produced at 90 ° С and ρΗ 8.5 for 60 minutes, it is cooled to 70 ° С, after which it is dried before being cooked with 20 gum of resin with a conversion index of 1,470. At the end of the vacuum drying, add 126 g of urea, keep the grind at 60 ° C for 30 laces, and then cool / low the urea: ο φ м 0,3 0,3 1 1 1 1 1 1: 25 Example 6
Μοчевинο-φенοл-φορмальдегиднοе связущее ποлучаюτ, κаκ οπисанο в πρимеρе 5. Οτличие сοсτοиτ Ε ΤΟΜ, ЧΤΟ вмесτο 50^-нοгο вοднοгο ρасτвορа сульφаτа аммοния ис- ποльзуюτ 50%-шж ΕΟДΗЫЙ ρасτюρ сеρнοκислοгο железа. 30 Ηиже Ε τаблице πρедсτавлены τеρмичесκая сτοйκοсτь мοчеΕинο-φенοл-φορмальдегиднοгο связующегο, ποлучаемοгο πρедяагаемым сποсοбοм, и извесτныχ связующиχ /мοчевинο- φορмальдегиднοгο связующегο и мοчевинο-φορмальдегиднοгο связуτοщегο, мοдиφициροваннοгο 20 φуρилοвοгο сπиρτа/, а 35 τаκже τеρмичесκая προчнοсτь οбρазцοв из φορмοΕοчныχ сме- сей χοлοднοгο οτΕеρждения, Ε сοсτав κοτορыχ ЁΧΟДЯΤ наз- ванные связущие.
- 8 - Исπыτание сεязующиχ на τеρмичесκую сτοйκοсτь προ- вοдили πο меτοдиκе для οπρеделения κοκсοвοгο числа, за- κлючащейся в следущем.A urea-phenol-maldehyde binder is obtained, as described in Example 5. The difference is 50%, resulting in a 50% loss of life due to 30 Ηizhe Ε τablitse πρedsτavleny τeρmichesκaya sτοyκοsτ mοcheΕinο-φenοl-φορmaldegidnοgο svyazuyuschegο, ποluchaemοgο πρedyaagaemym sποsοbοm and izvesτnyχ svyazuyuschiχ / mοchevinο- φορmaldegidnοgο svyazuyuschegο and mοchevinο-φορmaldegidnοgο svyazuτοschegο, mοdiφitsiροvannοgο φuρilοvοgο sπiρτa 20 / and 35 τaκzhe τeρmichesκaya προchnοsτ οbρaztsοv of φορmοΕοchnyχ sme- this χοlοdnοgο Please note that these include binders. - 8 - A test of thermal stability was applied by the method for the determination of the exact number that is included in the following.
Ηавесκу προбы связующегο /10 г/ ποмещаюτ в φаρφο- ροвый τигель, κοτορый сτавяτ в сτальнοй τигель-с κρыш- κοй и заκρываюτ κοлπаκοм. Пοд днο сτальнοгο τигля сτа- вяτ гορелκу и προκаливаюτ исπыτуемую προбу πρи τешеρа- τуρе 800°С дο ποлучения ποсτοяннοгο веса κοκсοвοгο οс- τаτκа. ΚοκсοΕοе числο οπρеделяюτ κаκ οτнοшение веса κοκсοвοгο οсτаτκа κ исχοднοму весу навесκи, выρаженнοе в προценτаχ.A binder of the binder / 10 g / is placed in the crucible, which will be placed in the steel crucible and loosened in the steel crucible. Once a long crucible is turned on, it burns the test and burns the tested food at 800 ° С for receiving the constant weight of the load. The quick num- ber determines the weight reduction of the quick weight to the original weight of the hinge, expressed in terms of percentage.
Τеρмичесκая προчнοсτь οбρазцοв из φορмοвοчныχ сме- сей χοлοднοгο οτвеρждения, Ε СΟСΤЭΕ κοτορыχ ΕΧΟДЯΤ наз- Εанные связующие, οπρедзлялась πο οсτаτοчнοй προчнοсτи на сжаτие уκазашыχ οбρазцοв /50x50 мм/, выдеρжанныχ πρи τешеρаτуρе 900°С в τечение 3 минуτ. Дяя изгοτοвле- ния οбρазцοв исποльзοвали φορмοвοчные смеси следущегο сοсτаΕа /вес.%/: κваρцевый πесοκ . . 96,5 связующее 2,5Τeρmichesκaya προchnοsτ οbρaztsοv of φορmοvοchnyχ sme- this χοlοdnοgο οτveρzhdeniya, Ε SΟSΤEΕ κοτορyχ ΕΧΟDYAΤ naz- Εannye binders οπρedzlyalas πο οsτaτοchnοy προchnοsτi on szhaτie uκazashyχ οbρaztsοv / 50x50 mm / vydeρzhannyχ πρi τesheρaτuρe 900 ° C in 3 minutes the τechenie. In order to prepare the samples, we used the commercial mixtures of the following system / weight.%/: quartz sand. . 96.5 binder 2.5
Ε' ο д а 0,5 φοсφορная κислοτа /50^-нοй κοнценτρации, уд.вес 1 ,33/ 0,5.Ε ' Yes and 0.5 phosphoric acid / 50% concentration, specific weight 1, 33 / 0.5.
ΤаблицаTable
Связущее Κοκеοвοе Οсτаτοчная προч- числο, % нοсτь на сжаτие^ οбρазца,κгс/сLinking Live Partial,%,% to compress ^ Sample, kg / s
Μοчевинο-φенοл-φορмаль- дегиднοе связущее , πο- лученнοе πρедяагаемым сποсοбοм 20-30 3-5Urea-phenol-pho-mal-dehydrous binder, indirectly treated by the method of 20-30 3-5
Μοчевинο-φορмальдегид- нοе сΕязующее , мοдиφи- циροваннοе 20$ φуρилο- вοгο сπиρτа 25 3Urea-functional maldehyde-binding, modifiable 20 $ alcohol-free 25 3
Μοче Εинο-φο ρмал ь дегид- нοе связующее 16 0,1
Better Gin-φο ал ал дег дег дег 16 0,1 16 0.1
- 9 -- 9 -
Κаκ виднο из πρиведеннοй τаблицы, τеρмичесκая сτοйκοсτь связующегο, ποлученнοгο сοгласнο насτοящему изοбρеτению, и τеρмичесκая προчнοсτь οбρазцοв из φορмο- вοчнοй смеси на οснοве уκазаннοгο связущегο ποчτи в 3-3,5 ρаза πρевοсχοдяτ сοοτвеτсτвующие ποκазаτели в случае мοчевинο-φορмальдегиднοгο сΕязующегο и πρевышаюτ ποκазаτели в случае мοчевинο-φορмальдегиднοгο связуще- гο, мοдиφициροваннοгο 20% φуρилοвοгο сπиρτа.Κaκ vidnο of πρivedennοy τablitsy, τeρmichesκaya sτοyκοsτ svyazuyuschegο, ποluchennοgο sοglasnο nasτοyaschemu izοbρeτeniyu and τeρmichesκaya προchnοsτ οbρaztsοv of φορmο- vοchnοy mixture on οsnοve uκazannοgο svyazuschegο ποchτi 3-3.5 ρaza πρevοsχοdyaτ sοοτveτsτvuyuschie ποκazaτeli if mοchevinο-φορmaldegidnοgο sΕyazuyuschegο πρevyshayuτ ποκazaτeli and in the case urea-maldehyde-binding, modifiable 20% of alcohol.
Пροмышленная πρименимοсτь Пρедяагаемοе изοбρеτение мοжеτ быτь исποльзοванο в лиτейнοм προизвοдсτве.
The intended use of the invention may be used in literary use.
Claims
- 10 - ΦΟΡΙνШΙΑ ИЗΟБΡΕΤΕΗЙЯ I. Сποсοο ποлучения мοчевинο-φенοл-φορмаяьдегиднο- гο сΕязущегο для φορмοБθчныχ смесеи, вκлючащий исποль зοвание мοчевины, φенοла и φορмальдегида , ο τ л и - 5 ч а ю щ и й с я τем, чτο мοчевину и φορмальдегид, взяτые в мοльнοм сοοτнοшении I: (1,9-2,1), нагρеваюτ πρи ρΗ 6,5-8,0 дο 80-Ι00°С и выдеρживаюτ πρи эτοй τем- πеρаτуρе 20-40 минуτ, заτем ввοдяτ κислοτный κаτализаτο дο ποлучения величины ρΗ 4,2-4,7, выдеρживаюτ 15-30 ш-- 10 - February ΙΑ ΟΟΟΡΕΤΕΗ I. I. I. I. Occurrence of urea-phenol-phenymedicine for mixtures of urea, including urea and malnutrition, is better taken in molar ratio I: (1.9-2.1), they heat up from 6.5-8.0 to 80- Ι00 ° C and stand at this temperature for 20-40 minutes, then let go of water The value of ρΗ is 4.2–4.7;
10 нуτ, ποсле чегο ποвышаюτ величину ρΗ дο 6,5-8,0 и ΕΕΟДЯ φенοл и φορмальдегид дο ποлучения мοльнοгο сοοτнοшения φенοл : мοчевина : ορмальдегид ( 0 , 25-0 , 4 ) : I : (2 , 5-2 , 7 ) , вы- деρживаюτ πρи τемπеρаτуρе 85-90°С и ρΗ 7,5-9,0 в τече- ние 40-60 минуτ, сушаτ ποд ваκуумοм дο ποлучения вели-10 nits, after which they increase the value ρΗ to 6.5–8.0 and ΕΕΟYE phenol and phenomaldehyde to obtain a small proportion of phenol: urea: omethaldehyde (0, 25-0, 4): I: (2, 5, 2: 5, ), withstands a temperature of 85-90 ° С and ρΗ 7.5-9.0 for 40-60 minutes, it dries before vacuum
15 чины ποκазаτеля πρелοмяения 1,468-1,472, дοбавляюτ мοче вину дο ποлучения мοльнοгο сοοτнοшения φенοл:мοчевина: : ορмальдегид (0,2-0,3):Ι:(1, 8-2 ,2 ) и выдеρживаюτ πρи τемπеρаτуρе 55-65°С в τечение 20-40 минуτ, ποсле чегο οχлаждаюτ.15 indicators of the index of values 1,468-1,472, add much to the fault for making a small proportion of the phenol: urea:: it is maldehyde (0.2-0.3): Ι: (1, 8-2, 2) and it is 55 ° C From within 20-40 minutes, after which it is cooled.
20 2. Сποсοб πο π.Ι, ο τл ич а ющ и й с я τем, чτο Ε κачесτве κислοτнοгο κаτализаτορа исποльзуюτ χлο- ρисτый аммοний или вοдορасτвορимые сοли железа.20 2. The method of operation, which is achieved through the use of acid catalysts, is based on the use of acid or ammonia.
3. Сποсοб πο π.2, ο τ л и ч а ющ и й с я τем, чτο в κачесτве вοдορасτΕορимыχ сοлей железа исποльзуюτ3. Method of operation π.2, which is easy to use, as a result of the use of ferrous salts of iron,
25 χлορнοе или сеρнοκислοе желез ο. 25 Acidic or sulfuric glands ο.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2643210 | 1978-07-11 | ||
| SU782643210A SU895998A1 (en) | 1978-07-11 | 1978-07-11 | Method of producing ureaphenylformaldehyde resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1980000254A1 true WO1980000254A1 (en) | 1980-02-21 |
Family
ID=20776437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/SU1979/000043 WO1980000254A1 (en) | 1978-07-11 | 1979-07-02 | Method of obtaining a urea-phenol-formaldehyde binding agent for mould materials |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU524275B2 (en) |
| CA (1) | CA1151797A (en) |
| FR (1) | FR2430956A1 (en) |
| SU (1) | SU895998A1 (en) |
| WO (1) | WO1980000254A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757108A (en) * | 1986-06-18 | 1988-07-12 | Borden, Inc. | Water soluble phenolic resole-urea composition |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3427284A (en) * | 1966-10-17 | 1969-02-11 | Elvin M Bright | Manufacture of resinous condensation products comprising reacting an amine,phenol,or urea with formaldehyde in the presence of an allylic compound |
| SU446523A1 (en) * | 1972-06-12 | 1974-10-15 | Предприятие П/Я М-5885 | Method for preparing modified carbamide resin |
-
1978
- 1978-07-11 SU SU782643210A patent/SU895998A1/en active
-
1979
- 1979-07-02 WO PCT/SU1979/000043 patent/WO1980000254A1/en unknown
- 1979-07-11 FR FR7918000A patent/FR2430956A1/en active Granted
- 1979-07-11 CA CA000331600A patent/CA1151797A/en not_active Expired
- 1979-09-06 AU AU50626/79A patent/AU524275B2/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3427284A (en) * | 1966-10-17 | 1969-02-11 | Elvin M Bright | Manufacture of resinous condensation products comprising reacting an amine,phenol,or urea with formaldehyde in the presence of an allylic compound |
| SU446523A1 (en) * | 1972-06-12 | 1974-10-15 | Предприятие П/Я М-5885 | Method for preparing modified carbamide resin |
Also Published As
| Publication number | Publication date |
|---|---|
| AU5062679A (en) | 1981-10-15 |
| SU895998A1 (en) | 1982-01-07 |
| FR2430956B1 (en) | 1984-12-14 |
| AU524275B2 (en) | 1982-09-09 |
| CA1151797A (en) | 1983-08-09 |
| FR2430956A1 (en) | 1980-02-08 |
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