SU83543A1 - - Google Patents
Info
- Publication number
- SU83543A1 SU83543A1 SU83543A1 SU 83543 A1 SU83543 A1 SU 83543A1 SU 83543 A1 SU83543 A1 SU 83543A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- cellulose
- solution
- spinning
- solutions
- spinning solution
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 claims description 20
- 239000001913 cellulose Substances 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 18
- 238000009987 spinning Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims description 6
- 239000012670 alkaline solution Substances 0.000 claims description 5
- HVTHJRMZXBWFNE-UHFFFAOYSA-J sodium zincate Chemical compound [OH-].[OH-].[OH-].[OH-].[Na+].[Na+].[Zn+2] HVTHJRMZXBWFNE-UHFFFAOYSA-J 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 239000011787 zinc oxide Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- ZKGFCAMLARKROZ-UHFFFAOYSA-N oxozinc;hydrate Chemical compound O.[Zn]=O ZKGFCAMLARKROZ-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
Description
Изооретение относитс к способам получени гидратцеллюлозного волокна переработкой растворов целлюлозы в щелочном растворе цинката натри вместо обычно примен емых растворов ее эфиров.Isorethination refers to methods for producing cellulose hydrate fiber by treating cellulose solutions in an alkaline solution of sodium zincate instead of the commonly used solutions of its esters.
Способы получени гидратцеллюлозного волокна переработкой растворов целлюлозы в щелочном растворе цинката натри известны. Однако они имеют низкую стабильность растворов целлюлозы в щелочных растворах натри , постепенное выпадание кристаллов гидрата окиси цинка из пр дильных растворов целлюлозы.Methods for preparing cellulose hydrate fiber by processing solutions of cellulose in an alkaline solution of sodium zincate are known. However, they have a low stability of cellulose solutions in alkaline sodium solutions, the gradual precipitation of zinc oxide hydrate crystals from cellulose spinning solutions.
Сущность предлагаемого способа заключаетс в том, что дл получени пр дильного раствора примен ют деструктированную целлюлозу , а дл повышени стабильности -пр дильного раствора при растворении целлюлозы добавл ют около 5% (от веса целлюлозы) сероуглерода .The essence of the proposed method lies in the fact that degraded cellulose is used to obtain the spinning solution, and about 5% (by weight of cellulose) carbon disulfide is added to increase the stability of the spinning solution.
Предлагаемый способ позвол ет получать высококачественное гидратцеллюлозное волокнО, повысить стабильность пр дильного раствора, удалить из полученного раствора выпавшие кристаллы гидрата окиси цинка.The proposed method makes it possible to obtain high-quality cellulose fiber hydrate, to increase the stability of the spinning solution, to remove the precipitated zinc hydroxide crystals from the resulting solution.
Деструкцию целлюлозы перед растворением ее в щелочном растворе цинката натри осуществл ют механическим раствором целлюлозь в сухом или мокром состо нии.The destruction of cellulose before dissolving it in an alkaline solution of sodium zincate is carried out with a mechanical solution of cellulose in a dry or wet state.
Одним из наиболее целесообразных методов подготовки и деструкции целлюлозы перед ее растворением в щелочном растворе цинката натри вл етс механический размол целлюлозы в сухом или мокром состо нии. Этот метод примен етс лри приготовлении концентрированных пр дильных растворов. Исходным сырьем дл получени пр дильных растворов вл етс целлюлоза, деструктированна сухим или мокрым размолом до степени полимеризации целлюлозы 300-500.One of the most appropriate methods for the preparation and destruction of cellulose before it is dissolved in an alkaline solution of sodium zincate is mechanical grinding of the cellulose in a dry or wet state. This method is used to prepare concentrated spinning solutions. The feedstock for making the spinning solutions is cellulose, degraded by dry or wet grinding to the degree of polymerization of cellulose 300-500.
Предмет изобретени Subject invention
Claims (2)
Family
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