CS226224B1 - Paper-making glue and method of preparing same - Google Patents
Paper-making glue and method of preparing same Download PDFInfo
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- CS226224B1 CS226224B1 CS42381A CS42381A CS226224B1 CS 226224 B1 CS226224 B1 CS 226224B1 CS 42381 A CS42381 A CS 42381A CS 42381 A CS42381 A CS 42381A CS 226224 B1 CS226224 B1 CS 226224B1
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- 238000000034 method Methods 0.000 title claims description 10
- 239000003292 glue Substances 0.000 title description 2
- 239000000203 mixture Substances 0.000 claims description 12
- 150000001993 dienes Chemical class 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 8
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000007334 copolymerization reaction Methods 0.000 claims description 5
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- -1 diene maleic anhydride Chemical class 0.000 claims 1
- 239000011968 lewis acid catalyst Substances 0.000 claims 1
- 239000000047 product Substances 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 14
- 239000003054 catalyst Substances 0.000 description 11
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 9
- 238000004513 sizing Methods 0.000 description 7
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 6
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 5
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Chemical compound C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 239000003502 gasoline Substances 0.000 description 4
- 238000000197 pyrolysis Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 description 1
- KNDQHSIWLOJIGP-UHFFFAOYSA-N 826-62-0 Chemical compound C1C2C3C(=O)OC(=O)C3C1C=C2 KNDQHSIWLOJIGP-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000013032 Hydrocarbon resin Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001649 bromium compounds Chemical class 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- HRYZWHHZPQKTII-UHFFFAOYSA-N chloroethane Chemical compound CCCl HRYZWHHZPQKTII-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 229960003750 ethyl chloride Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 229920006270 hydrocarbon resin Polymers 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
Vynález sa týká papierenského glejidla a sposobu jeho přípravy kopolymerizáoiou nenasýtených uhlovodíkových frakcií s adičnými produktami maleinanhydridu·BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper sizing agent and a process for its preparation by copolymerizing unsaturated hydrocarbon fractions with maleic anhydride addition products.
Pre účely glejenia papieroviny sa okrem roznych prírodných produktov aplikujú aj uhlovodíková živice obvykle modifikované látkami zvyšujúoimi ioh hydrofilnost. Z týohto materiálov sa Často používá asfalt, ktorého emulzie sa uplatňuji na glejenie lepeniek a vláknitých dosiek, pri ktorých nepřekáže tmavá farba asfaltov.For sizing purposes, in addition to various natural products, hydrocarbon resins usually modified with hydrophilicity enhancers are also applied. Of these materials, asphalt is often used, the emulsion of which is applied to the gluing of paperboard and fiber boards, where the dark color of the asphalt is not obstructed.
Sú známe postupy a metody pre přípravu vysoko kvalitnýoh glejaoíoh produktov s vlastnosťami prírodnýeh materiálov, ktoré sú použitelné aj pre Speciálně papierenské výrobky. Vyrábajú sa z nenasýtených uhlovodíkov C^, 0^, C^, avšak častejšie z frakoií uhlovodíkev, polymer izáoiou, kopolymerizáoiou a adičnými reakciami. Tým, že sú vyrobené zo zmesi látok, nemajú presne Specifikovaná Btruktúru. Charakterizujú sa bodom máknutia, počtom nenasýtených vázieb, farbou a pod· Vo všeobeonesti vysoký bod raáknutia znamená vysoků molekulovú hmotnost, ale je to ovplyvnené aj obsahom indenu, přete je možné bod máknutia ovplyvnit aj množstvem indenu v zmesi· Vysoký obsah nenasýtených vázieb v pripravenora glejidle má za následek tmavšiu farbu. často je to spčsobené oyklodiénmi, ktoré je třeba v surovině určene j pre přípravu glejidla kontrolovat· Okrem zloženia výohediskovej olefinickej suroviny a technologických podmienok reakole má na kvalitu produktu velký vplyv katalyzátor· V mnohýoh případech polymerizačné raakoie sú kationieké. Ioh reaktivita je evplyvňevaaá přítomnestou polárných látok» ktoré například v případe polymeri^ začnýoh reakcií kvapalných olefinickýoh frakoií uhlovodíkov s adičnými produktami maleinanhydridu sú vzhladom ku katalyzátoru vo velkém přebytku· Odráža sa to v ovplyvnení distribučněj křivky molekulovýoh hmotností produktov, stabilitě vodných emulzií a vlastnostiach glejidla·Processes and methods are known for preparing high-quality glue products having the properties of natural materials, which are also applicable to specialty paper products. The y rábajú of unsaturated hydrocarbons C ^, 0 ^ C ^, but more often the frakoií uhlovodíkev, polymer izáoiou, kopolymerizáoiou and addition reactions. By being made of a mixture of substances, they do not have a strictly specified structure. They are characterized by the softening point, the number of unsaturated bonds, the color, etc. · In all things, a high spill point means high molecular weight, but this is also influenced by the indene content, while the softening point can also be influenced by the amount of indene in the mixture. results in a darker color. it is often caused by the cyclodienes to be controlled in the sizing agent feedstock. In addition to the composition of the feedstock olefinic feedstock and the process conditions of the reaction, the catalyst quality has a great influence on the product quality. Their reactivity is influenced by the presence of polar substances which, for example, in the case of polymers starting from the reaction of liquid olefinic hydrocarbon fractions with maleic anhydride addition products, are in large excess relative to the catalyst.
- 3 226 224- 3 226 224
Vynález popisuje papierenské glejidlo vo vodě emulgovatelné, ktorého podstatou je, že pozostáva z 1 až 55 dielov produktu kopolymerizácie nenasýtených uhlovodíkových frakcií s rozsahom bodov varov od 25 do 280 °c a s obsahom 66 až 75 % hmotnostných aromatických uhlovodíkov s adičnými produktami maleinanhydridu s diénmi do 100 dielov doplněných vodou* Připravuje sa sposobom podlá vynálezu kopolymerizáciou a jeho podstatou je, že uhlovodíkové řrakcie vrúce v rozsahu bodov varu od 25 Θ0 do 280 °C sa kopolymerizujú s produktami adicie maleinanhydridu s diénmi a rea-kcia sa uskutočňuje za katalytického pósobenia kyslých homogenných katalyzátorov typu lewisových kyselin v přítomnosti alkénov, izoalkénov alebo ich zmesi s počtom 12 až 90 uhlíkov v molekule a dalej sa produkt riedi vo vodě tak, ako je uvedené·SUMMARY OF THE INVENTION The present invention provides a water-emulsifiable papermaking composition comprising 1 to 55 parts of a copolymerization product of unsaturated hydrocarbon fractions having a boiling point range of from 25 to 280 ° C containing 66 to 75% by weight aromatic hydrocarbons with maleic anhydride addition products with dienes of up to 100 parts making up * Prepared according to the present invention by copolymerization, and it is characterized in that the hydrocarbon řrakcie boiling in the boiling range from 25 Θ 0-280 ° C is copolymerized with addition products of maleic anhydride with a diene and rea-Lesson is carried out by the catalytic action of the acid of homogeneous lewisic acid catalysts in the presence of alkenes, isoalkenes or mixtures thereof having from 12 to 90 carbons per molecule and further diluting the product in water as described
Kopolymerizačná reakcia, ktorá sa može uskutočňovat kontinuálně alebo diskontinuálně sa vedle pri teplotách od '-10 °q do 100 °c, s výhodou pri 20-70 °C a to v závislosti od reaktivity použitých alkenických surovin a katalyzátore* Katalyzátor, ktorým bývajú Lewisove kyseliny, napr. chloridy, bromidy alebo fluridy, hliníka, titánu, železa, boru a iných kovov aktivované vhodnými promotormi sa v dósledku exotermičnosti reakcie do reakčného systému přidává postupné po dávkách připadne kontinuálně, pričom jeho množstvo je okrem reakčných podmienok závislé aj od jeho aktivity* Ako alkenické suroviny je možné použit frakcie alebo destilačné řezy vrúce v rozsahu teplot od 25 °θ do 280 °C s obsahom aromát o v 66 až 75 % hmotnostných, vznikajúce pri pyrolyze uhlovodíkov, benzínu, petroleja, plynového oleja alebo iných ropných frakcií, pričom z hladiska získavania vhodných finálnych produkte v je potřebné v surovině kontrolovat obsah aromatických zložiek a diénov. Ako komonoméry, ktoré poskytujú konečnej živici hydrofilné vlastnosti sa používejú adičné produkty maleinanhydridu. s dieénmi napr. butadiénom, izoprénom, cyklopentadiénom. Tieto sa pridávajú k alkanickej surovině vo formě práškov, granul alebo ako roztoky v uhlovodíkoche V případe, olefinická surovina používaná na polymerizáciu obsahuje diény, je možné prídavkom anhydridu maleinového v nepřítomnosti katalyzátore připravit adičné produkty, ktoré sa po přidaní polymerizačného katalyzátore do systému a upravení technologických a reakčných podmienok kopolymerizujú s nenasýtenými uhlovodíkmi. Pre dosiahnutie požadovaných vlas tností výsledných produktov do reakčného systému sa pridávajú al- 4 ·Copolymerization reaction which can be carried out continuously or discontinuously at temperatures from -10 ° C to 100 ° C, preferably at 20-70 ° C, depending on the reactivity of the alkali raw materials used and the catalyst. acids, e.g. chlorides, bromides or flurides, aluminum, titanium, iron, boron and other metals activated by suitable promoters are added to the reaction system sequentially or continuously in batches due to the exothermic nature of the reaction, and its amount depends on its activity in addition to reaction conditions fractions or distillation boils boiling in the temperature range of 25 ° C to 280 ° C and having an aromatic content of 66 to 75% by weight may be used, resulting from the pyrolysis of hydrocarbons, gasoline, kerosene, gas oil or other petroleum fractions, It is necessary to control the content of aromatic components and dienes in the raw material. Maleic anhydride addition products are used as comonomers which impart hydrophilic properties to the final resin. with dies eg. butadiene, isoprene, cyclopentadiene. These are added to the alkane feedstock in the form of powders, granules or as solutions in the hydrocarbon. and the reaction conditions copolymerized with unsaturated hydrocarbons. In order to achieve the desired properties of the resulting products, the reaction system is supplemented by addition of 4% by weight of the product.
22B 224 postupné po dávkách připadne kontinuálně, pričom jeho množstvo je okrem reakčných podmienok závislé aj od jeho aktivity· Ako alkenické suroviny je možné použiť frakcie alebo destilačné řezy vrúce v rozsahů teplót od 25°C do 280°C, vznikajúce pri pyrolýze uhlovodíkov, benzínu, petroleja, plynového oleja alebo iných ropných frakcií, pričom z hladiska získavania vhodných finálnych produktov je účelné v surovině kontrolovat’ obsah aromatických zložiek a diénov. Ako komonoméry, ktoré poskytujú konečnej živici hydrofilné vlastnosti sa používajú adičné produkty maleinanhydridu s diénmi napr. butadiénom, izoprénom, cyklopentadiénom. Tieto sa pridávajú k alkenickej surovině vo formě práškov, granúl alebo ako roztoky v uhlo vodíkoch. ¥ případe, že olefinická surovina používaná na polymerizáciu obsahuje diéay, je možné prídavkom anhydridu maleinového v nepřítomností katalyzátora pripraviť adič aó produkty, ktoré sa po přidaní polymerizačného katylyzátora do systému a upravení technologických a reakčných podmienok kopolymerizujú s nenasýtenými uhlovodíkmi. Pre dosiahnutie požadovaných vlastností výsledných produktov do reakčného systému sa pridávajú alkény, izoalkény alebo ich zmesi, ktoré obsahujú 12 až 90 atómov uhlíka v reťazci. Ich množstvo je závislé od ich zloženia, ako aj zloženia suroviny a pohybuje sa od 1 do 20 % hm. počítané na reakčnú zmes· Přítomnost* alkénov alebo izoalkénov v reakčnej zmesi zlepšuje vlastnosti kopolyméru, ktorý vo formě vodnej emulzie sa aplikuje pre glejenie papiera·22B 224 consecutively in batches, the amount of which is dependent on its activity in addition to the reaction conditions · Fractions or distillation slices boiling in the temperature range from 25 ° C to 280 ° C, resulting from the pyrolysis of hydrocarbons, gasoline , kerosene, gas oil or other petroleum fractions, it being appropriate to control the content of aromatic components and dienes in the raw material for obtaining suitable end products. As comonomers which give the final resin hydrophilic properties, maleic anhydride addition products with dienes e.g. butadiene, isoprene, cyclopentadiene. These are added to the alkali feedstock in the form of powders, granules or as solutions in hydrogen hydrogens. In the case where the olefinic feedstock used for polymerization contains a diene, addition of maleic anhydride in the absence of the catalyst can produce an addition product which, after addition of the polymerization catalyst to the system and modification of the process and reaction conditions, is copolymerized with unsaturated hydrocarbons. To obtain the desired properties of the resulting products, alkenes, isoalkenes or mixtures thereof containing from 12 to 90 carbon atoms in the chain are added to the reaction system. Their amount depends on their composition as well as the composition of the raw material and ranges from 1 to 20% by weight. calculated on the reaction mixture · The presence of * alkenes or isoalkenes in the reaction mixture improves the properties of the copolymer, which in the form of an aqueous emulsion is applied for the sizing of paper ·
- 5 Příklad 1- 5 Example 1
226 224226 224
Do 2 1 miešaného reaktora sa navážilo 1400 g pyrolýzneho benzínu so začiatkom destilácie 63°C a koncom deštilácie 239°C, diónovým číslom 17,6, ku ktorému sa za miešania přidalo 60 g tetrahydroftalanhydridu a 30 g frakcie oligomérov propylenu priemernej molekulověj hmotnosti 182.To a 2 L stirred reactor was weighed 1400 g of pyrolysis gasoline with a distillation start of 63 ° C and a distillation end of 239 ° C, a dione number of 17.6, to which 60 g tetrahydrophthalic anhydride and 30 g propylene oligomer molecular weight 182 were added.
Po vyhriatí reakčnej zmesi na 60°C sa v 15 minútových iatervaloch přidalo 17 ml katalyzátora-bórtrifluoréterátu.After heating the reaction mixture to 60 ° C, 17 ml of borontrifluoroetherate catalyst was added in 15 min iatervals.
Po dvoch hodinách pridávania katalyzátora sa reakčná zmes pri uvedenej teplote miešala ešte ďalšie 3 hodiny. Po tejto době sa přídavkem vody reakcia zastavila a po odstránení katalyzátora nezreagované uhlovodíky oddělili destiláciou. Získalo sa 456 g produktu. Časť z něho sa previedla na vodnú emulziu, čím sa získal roztok glejidla s účinnosťou „2 #After two hours of catalyst addition, the reaction mixture was stirred at this temperature for an additional 3 hours. After this time, the reaction was stopped by the addition of water and after removal of the catalyst the unreacted hydrocarbons were separated by distillation. 456 g of product were obtained. A portion of it was converted into an aqueous emulsion to give a sizing solution with an " 2 "
21,3 g.m podlá metody Cobbgg21.3 g.m according to the Cobbgg method
Příklad 2Example 2
Do miešaného reaktora sa navážilo 800 g pyrolýzaeho benzínu zloženia ako v příklade 1; 300 g frakcie Cg-uhlovodíkov obsahujúcej 22,1 % hm. cyklopentadiénu a 29,7 % hm. izoprénu, 35 g polyizobutylénového oleja priemernej molekulovej hmotnosti 269 a 30 g práškového maleinanhydridu. Celá zmes sa miešala pri teploto 8°C 1 hodinu, pričom prebiehala adícia maleinanhydridu s diénmi. Po tejto době sa začal do systému přidávat’ katalyzátor v 20 minútových intervaloch.800 g of pyrolysis gasoline composition as in Example 1 were weighed into the stirred reactor; 300 g of a C8-hydrocarbon fraction containing 22.1 wt. % cyclopentadiene and 29.7 wt. isoprene, 35 g of polyisobutylene oil of average molecular weight 269, and 30 g of maleic anhydride powder. The whole mixture was stirred at 8 ° C for 1 hour while adding maleic anhydride with dienes. After this time, the catalyst was added to the system at 20 minute intervals.
V priebehu 3 hodin sa přidalo celkove 50 ml katalyzátoraA total of 50 ml of catalyst was added over 3 hours
226 224 obsahuj ticeho 31,3 % hm. AlClg v zmesi polyalkylbenzénov s chlcraii íáxiaii. Exotermičnosťou reakcie a postupným ohrievaním reakčnej zmesi cirkuláciou vody cez plášť reaktora sa teplota zvýšila na 65°C a pri tejto teplote udržovala až do ukončenia pokusu. Po 6-tich hodinách sa reakcia prídavkom vody zastavila a po oddělení katalyzátora a oddestilovaní nezreagovaných podielov sa získalo 255 g kopolymerů, ktorý vo formě vodnej emulzie vyka—2 zoval glejaciu účinnost’ 26,2 g. m podlá CobbgQ*226 224 containing 31.3 wt. AlCl 3 in a mixture of polyalkylbenzenes with chlorine. By exothermic reaction and gradually heating the reaction mixture by circulating water through the reactor jacket, the temperature was raised to 65 ° C and maintained at this temperature until the end of the experiment. After 6 hours the reaction was stopped by the addition of water, and after separation of the catalyst and distillation of the unreacted fractions, 255 g of copolymers were obtained which, in the form of an aqueous emulsion, showed a sizing efficiency of 26.2 g. m by CobbgQ *
Příklad 3Example 3
Postupovalo sa ako v příklade 1, ale ako adičný produkt sa použilo 40 g endometyléntetrahydroftalanhydridu a ako katalyzátor komplex AlCl^ s etylchloridom v toluene o koncentrácii 530 mg AlClg v 1 ml roztoku. Po 3 hodinách reakciou vzniklo 381 g kopolymerů s glejacou účinnosťouThe procedure was as in Example 1, but 40 g of endomethylenetetrahydrophthalic anhydride were used as the addition product and the AlCl4 / ethyl chloride complex in toluene at a concentration of 530 mg AlClg in 1 ml of solution was used as the catalyst. After 3 hours the reaction yielded 381 g of copolymers with sizing activity
28,1 g.m hodnotené metodou CobbgQ,28.1 g.m evaluated by the CobbgQ method,
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS42381A CS226224B1 (en) | 1981-01-21 | 1981-01-21 | Paper-making glue and method of preparing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS42381A CS226224B1 (en) | 1981-01-21 | 1981-01-21 | Paper-making glue and method of preparing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS226224B1 true CS226224B1 (en) | 1984-03-19 |
Family
ID=5336262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS42381A CS226224B1 (en) | 1981-01-21 | 1981-01-21 | Paper-making glue and method of preparing same |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS226224B1 (en) |
-
1981
- 1981-01-21 CS CS42381A patent/CS226224B1/en unknown
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