SU398106A1 - Method of obtaining cellulose phosphates - Google Patents
Method of obtaining cellulose phosphatesInfo
- Publication number
- SU398106A1 SU398106A1 SU7101678260A SU1678260A SU398106A1 SU 398106 A1 SU398106 A1 SU 398106A1 SU 7101678260 A SU7101678260 A SU 7101678260A SU 1678260 A SU1678260 A SU 1678260A SU 398106 A1 SU398106 A1 SU 398106A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- cellulose
- phosphates
- obtaining cellulose
- urea
- cellulose phosphates
- Prior art date
Links
- 239000001913 cellulose Substances 0.000 title description 12
- 229920002678 cellulose Polymers 0.000 title description 12
- 238000000034 method Methods 0.000 title description 6
- 229910019142 PO4 Inorganic materials 0.000 title description 4
- 235000021317 phosphate Nutrition 0.000 title description 4
- 150000003013 phosphoric acid derivatives Chemical class 0.000 title description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 235000011007 phosphoric acid Nutrition 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 229940072049 amyl acetate Drugs 0.000 description 2
- PGMYKACGEOXYJE-UHFFFAOYSA-N anhydrous amyl acetate Natural products CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- MNWFXJYAOYHMED-UHFFFAOYSA-M heptanoate Chemical compound CCCCCCC([O-])=O MNWFXJYAOYHMED-UHFFFAOYSA-M 0.000 description 2
- DZHMRSPXDUUJER-UHFFFAOYSA-N [amino(hydroxy)methylidene]azanium;dihydrogen phosphate Chemical compound NC(N)=O.OP(O)(O)=O DZHMRSPXDUUJER-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000026731 phosphorylation Effects 0.000 description 1
- 238000006366 phosphorylation reaction Methods 0.000 description 1
- 230000000865 phosphorylative effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- -1 yarn Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Description
И.-)обрс1тение относитс к способам получоиил эфиров целлютюаы.And .-) education refers to the methods of obtaining esters of cellulose.
1;зг1ССгиь способы получени фосфатов целлзчло.и, путем ее обработки фосфорной кислотой н присутствии серной кислоты, 1; methods of producing phosphates of cellulose; and, by treating it with phosphoric acid in the presence of sulfuric acid,
окислов азота и мочевины, }-1аиболее проcTf .iM и достуттным из известных способов вл етс получение фосфатов целлюлозы TiyfuM реакции с мочевинофосфорпокислей смс-сью. Недостатком этого способа вл е С5Г -то, что целлюлоза после обработки сме cbij фосфорной кислоты и мочевины нагре{ аетсл па воздухе при высокой температуре ( С), что приводит к подгоранию целлюлозы, сильному ее пожелтению и ппачительиой деструкции,oxides of nitrogen and urea,} -1 is the most common process and one of the known methods is to obtain cellulose phosphates TiyfuM reaction with urea phosphate sms. The disadvantage of this method is that the cellulose, after processing a mixture of biophosphoric acid and urea, heats up the air at high temperature (C), which leads to burning of the cellulose, its strong yellowing and harmful destruction,
. устранени указанных кедос- г,гтко 1 Ире пложено реакцию проводить с (pofiu с:ложных эфиров уксусной кислоты а /ллифатических спиртов ( С - ). напркмо ) в бутил-, амилацетате при темпе1- .;}ту.- их кипени .. elimination of the above-mentioned kedos-g, gtko 1 Ire reaction is carried out with (pofiu with: false esters of acetic acid of a / liphatic alcohols (C -). naprkmo) in butyl, amyl acetate at a temp; -1;} tu .- their boiling.
п:5Ог..ени фосфорилировани от- ;; -iTVi : F ....бмтка фосфэрилирующейсмеси HIM i.i..... (:-лоикова вата, древесна p: 5Og .. phosphorylation from- ;; -iTVi: F .... HIM i.i ..... phosphorillating mixture batch ((: -loikova wool, wood
целлюлоза, пр жа, ткань и др,) обрабатывают в сосуде, снабжеппом конденсатором паров указанных сложных эфпров, в течение 1О-60 мин при темтгературе кипени среды, В зависимости от количества фосфорилирующей смеси, содержащейс в целлюлозе после отжима, получают мало- деструктированные продукты с содержанием фосфора до 8%, обладающие негорючстью нерастворимостью и отличающиес белым цветом.cellulose, yarn, cloth, etc., are treated in a vessel by supplying the vapor condenser of these complex effluents to the condenser for 1–60 min with the boiling temperature of the medium. Depending on the amount of phosphorylating mixture contained in the cellulose after pressing, low-degraded products are obtained with a phosphorus content of up to 8%, which is incombustible insoluble and has a white color.
Пример 1, Юг целлюлозы обра- батывают смесью 87%-ной ортофосфорной кислоты и мочевины из расчета 3 моль мочевины ка 1 моль фосфорной кислоты, отжимают до 4-.кратаого веса, размель чакзт и помещают в колбу с обратным ХОЛОДИЛЬНИКОМ; в которой находитс 20OM амилацетата, нагревают прт /температуре К1шени (150°С) в течение ЗО мин и получают продукт белого цвета и однородно этериф шированный, содержащий св занного фосфора 6%.Example 1 South of cellulose is treated with a mixture of 87% orthophosphoric acid and urea at the rate of 3 mol of urea and 1 mol of phosphoric acid, squeezed to 4-fold weight, crushed chakt and placed in a flask with reversed REF; in which there is 20OM of amyl acetate, heat the prt / temperature of K1shena (150 ° C) for 30 min. and get a white product and uniformly esterified, containing 6% bound phosphorus.
Пример 2. Обработанную по примеру 1 целлюлозу помещают в колбу с ( 5угилацетагом и jr rpwoajoT ари ки1Ши цнн 1 час. Г1олуча)м,П )одный продукт с содержанием фосфора 6%, ф о т. м у л а изобретений CmxioCi получени фосфатов целлюлбс ы реакции целлюлозы со Nsecwo с ьиш.д н |-1т;форцпм jtEicnoTb, о т л и ч а ющ и и с тем, 4TOs с цельк получени oiiiUijiOjiHbix недеструкм-нровааных и неокраикнгных продукте, ре..)шик провод т в с.Ш7кн:ых эфиров .уксусной кислоты и -злкф-гщческих с1шртс-к ( Сд- С ) при теКГ11ературе их кииспи .Example 2. The cellulose treated in Example 1 is placed in a flask with (5gilagecetag and jr rpwoajoT arii1Si cnn 1 hr. H1 beam) m, P) one product with a phosphorus content of 6%, f.t.m. of CmxioCi inventions for preparing cellulose phosphates The reaction of cellulose with Nsecwo with t.ish.d | -1t; forzpm jtEicnoTb, about tlicha yu and and with that, 4TOs with the purpose of obtaining oiiiUijiOjiHbix non-destructive-nkrovirovannyh and neokrakngngnyh product, ..) wired in .Sh7kn: s esters of .acetic acid and -slc-hscheskikh s1shrts-k (Sd-S) with a teKG11yatura their kiisi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU7101678260A SU398106A1 (en) | 1971-06-25 | 1971-06-25 | Method of obtaining cellulose phosphates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU7101678260A SU398106A1 (en) | 1971-06-25 | 1971-06-25 | Method of obtaining cellulose phosphates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU398106A1 true SU398106A1 (en) | 1977-07-25 |
Family
ID=20481925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU7101678260A SU398106A1 (en) | 1971-06-25 | 1971-06-25 | Method of obtaining cellulose phosphates |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU398106A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2745715C2 (en) * | 2018-12-06 | 2021-03-30 | Александр Николаевич Левичев | Carbohydrate phosphates as plant growth activators and method of their production |
| CN116589609A (en) * | 2023-07-13 | 2023-08-15 | 天津永续新材料有限公司 | Preparation method of phosphorylated nano-chitin based on mechanochemical method and phosphorylated nano-chitin |
-
1971
- 1971-06-25 SU SU7101678260A patent/SU398106A1/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2745715C2 (en) * | 2018-12-06 | 2021-03-30 | Александр Николаевич Левичев | Carbohydrate phosphates as plant growth activators and method of their production |
| CN116589609A (en) * | 2023-07-13 | 2023-08-15 | 天津永续新材料有限公司 | Preparation method of phosphorylated nano-chitin based on mechanochemical method and phosphorylated nano-chitin |
| CN116589609B (en) * | 2023-07-13 | 2023-10-20 | 天津永续新材料有限公司 | Preparation method of phosphorylated nanochitin based on mechanochemical method and phosphorylated nanochitin |
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