CN103074791B - Non-wood fiber raw material cooking auxiliary agent and preparation process thereof - Google Patents
Non-wood fiber raw material cooking auxiliary agent and preparation process thereof Download PDFInfo
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- CN103074791B CN103074791B CN201310022500.0A CN201310022500A CN103074791B CN 103074791 B CN103074791 B CN 103074791B CN 201310022500 A CN201310022500 A CN 201310022500A CN 103074791 B CN103074791 B CN 103074791B
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Abstract
The invention discloses a non-wood fiber raw material cooking auxiliary agent and a preparation process thereof. The non-wood fiber raw material cooking auxiliary agent comprises the following raw materials in part by weight: 1 to 5 parts of anthraquinone, 1 to 4 parts of sodium dodecyl benzene sulfonate, 1 to 10 parts of fatty alcohol-polyoxyethylene ether, 5 to 30 parts of dimethyl sulfonic acid and 1 to 8 parts of hydroxylamine. The non-wood fiber raw material cooking auxiliary agent not only can accelerate permeation, inhibit peeling reaction, promote removal of non-wood fiber raw material lignin, improve reaction performance in the cooking process and improve cooking uniformity of the raw materials, but also can reduce quantity of alkali for cooking, shorten cooking time, reduce the highest cooking temperature and improve pulp forming quality and yield.
Description
Technical field
The present invention relates to a kind of chemical pulping auxiliary agent, be specifically related to a kind of non-wood fibrous raw material digesting assistant and preparation technology thereof.
Background technology
In chemical pulping process, digesting assistant affects the speed of delignification, the quality, paper pulp yield etc. of pulping to a great extent, and affects the effect of postorder bleaching.
Non-wood fibrous raw material its fibre chemistry composition, eucaryotic cell structure, delignification principle, digesting technoloy etc. compared with wood fiber raw material all have very large difference.
The chemical pulping of current China mainly adopts anthraquinone and derivative thereof as digesting assistant, and this analog assistant is overseas enterprise develops for wood type fibrous raw material, and is not suitable for China with the present situation of non-wood fibrous raw material slurrying.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of non-wood fibrous raw material digesting assistant and preparation technology thereof, prepare the O/W type anthraquinone emulsion of dispersion stabilization, the dispersiveness of anthraquinone in cooking liquor is improved with this, both can accelerate to permeate, suppress removing of peeling reaction, promotion non-wood fibrous raw material lignin, improve the reactivity worth in digestion process, improve the cooking homogeneities of raw material, boiling alkali charge can be reduced simultaneously, shorten digestion time, reduce maximum temperature of cooking, improve pulp quality and yield.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of non-wood fibrous raw material digesting assistant, comprises the raw material of following weight: anthraquinone 1-5 part, neopelex 1-4 part, fatty alcohol-polyoxyethylene ether 1-10 part, dimethyl sulfonic acid 5-30 part, oxyammonia 1-8 part.
Preferably, the adduct number of the oxirane of described fatty alcohol-polyoxyethylene ether is 10-20.
Preferably, the adduct number of the oxirane of described fatty alcohol-polyoxyethylene ether is 12, and in alkyl, the number of C is 8-18.
Preferably, the adduct number of the oxirane of described fatty alcohol-polyoxyethylene ether is 16, and in alkyl, the number of C is 12.
A kind of non-wood fibrous raw material digesting assistant preparation technology, comprises the following steps:
Step one, takes anthraquinone 1-5 part by weight ratio, neopelex 1-4 part, fatty alcohol-polyoxyethylene ether 1-10 part, dimethyl sulfonic acid 5-30 part, oxyammonia 1-8 part;
Step 2, first gets ready batchings all for step one in proportion and adds in reactor, starts and stirs, and be warming up to 60-100 DEG C, insulation 60-150min;
Step 3, then adds the neutralization of sodium carbonate 2-10 part in the reactor in step 2, reaction 60-90min, and constantly stirs, and being finally cooled to 30-40 DEG C can blowing finished product.
Preferably, a kind of non-wood fibrous raw material digesting assistant preparation technology, comprises the following steps:
Step one, takes anthraquinone 1 part by weight ratio, neopelex 2 parts, fatty alcohol-polyoxyethylene ether 5 parts, dimethyl sulfonic acid 10 parts, oxyammonia 2 parts;
Step 2, first gets ready batchings all for step one in proportion and adds in reactor, starts and stirs, and be warming up to 60 DEG C, insulation 150min;
Step 3, then adds the neutralization of 2 parts, sodium carbonate in the reactor in step 2, reaction 70min, and constantly stirs, and being finally cooled to 30 DEG C can blowing finished product.
Preferably, a kind of non-wood fibrous raw material digesting assistant preparation technology, comprises the following steps:
Step one, takes anthraquinone 3 parts by weight ratio, neopelex 3 parts, fatty alcohol-polyoxyethylene ether 6 parts, dimethyl sulfonic acid 15 parts, oxyammonia 5 parts;
Step 2, then batchings all for step one is got ready in proportion add in reactor, start and stir, and be warming up to 80 DEG C, insulation 100min;
Step 3, then adds the neutralization of 5 parts, sodium carbonate in the reactor in step 2, reaction 60min, and constantly stirs, and being finally cooled to 35 DEG C can blowing finished product.
Preferably, a kind of non-wood fibrous raw material digesting assistant preparation technology, comprises the following steps:
Step one, takes anthraquinone 5 parts by weight ratio, neopelex 4 parts, fatty alcohol-polyoxyethylene ether 10 parts, dimethyl sulfonic acid 30 parts, oxyammonia 8 parts;
Step 2, then batchings all for step one is got ready in proportion add in reactor, start and stir, and be warming up to 100 DEG C, insulation 60min;
Step 3, then adds the neutralization of 10 parts, sodium carbonate in the reactor in step 2, reaction 90min, and constantly stirs, and being finally cooled to 40 DEG C can blowing finished product.
By technique scheme, the invention has the beneficial effects as follows:
Non-wood fibrous raw material digesting assistant alkali solubility of the present invention is excellent, successful in pulping process, improve raw material permeability, cooking homogeneities improves, alkali lye quick adsorption, reduce lignin in desorption process to deposit again, accelerate the transmission speed of product in raw material, maximum temperature of cooking can reduce by 5 DEG C, and digestion time shortens 30-60min, steam saving consumption, screened yield improves more than 3%, Kappa number reduces 5-8, is conducive to the consumption reducing following bleaching medicine, reduces contaminated wastewater load.Slurry paper strength increases, and especially fracture length and folding strength improve significantly.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further.
A kind of non-wood fibrous raw material digesting assistant, comprises the raw material of following weight: anthraquinone 1-5 part, neopelex 1-4 part, fatty alcohol-polyoxyethylene ether 1-10 part, dimethyl sulfonic acid 5-30 part, oxyammonia 1-8 part.
Fatty alcohol-polyoxyethylene ether (AE), general formula represents: R-O-(CH2CH2O) n-H.R is generally the alkyl of saturated or unsaturated C12 ~ C18, can be straight-chain alkyl, also can be branched alkyl.N is the adduct number of oxirane.
Preferably, the alkyl of described fatty alcohol-polyoxyethylene ether is C10-C20.Namely the adduct number of the oxirane of described fatty alcohol-polyoxyethylene ether is 10-20.
Preferably, C8-C18 aliphatic alcohol polyethenoxy (12) ether.Namely the adduct number of the oxirane of described fatty alcohol-polyoxyethylene ether is 12, and in alkyl, the number of C is 8-18.
Preferably, C12 aliphatic alcohol polyethenoxy (16) ether.Namely the adduct number of the oxirane of described fatty alcohol-polyoxyethylene ether is 16, and in alkyl, the number of C is 12.
A kind of non-wood fibrous raw material digesting assistant preparation technology, comprises the following steps:
Step one, takes anthraquinone 1-5 part by weight ratio, neopelex 1-4 part, fatty alcohol-polyoxyethylene ether 1-10 part, dimethyl sulfonic acid 5-30 part, oxyammonia 1-8 part;
Step 2, first gets ready batchings all for step one in proportion and adds in reactor, starts and stirs, and be warming up to 60-100 DEG C, insulation 60-150min;
Step 3, then adds the neutralization of sodium carbonate 2-10 part in the reactor in step 2, reaction 60-90min, and constantly stirs, and being finally cooled to 30-40 DEG C can blowing finished product.
embodiment 1:
A kind of non-wood fibrous raw material digesting assistant preparation technology, comprises the following steps:
Step one, takes anthraquinone 1 part by weight ratio, neopelex 2 parts, fatty alcohol-polyoxyethylene ether 5 parts, dimethyl sulfonic acid 10 parts, oxyammonia 2 parts;
Step 2, first gets ready batchings all for step one in proportion and adds in reactor, starts and stirs, and be warming up to 60 DEG C, insulation 150min;
Step 3, then adds the neutralization of 2 parts, sodium carbonate in the reactor in step 2, reaction 70min, and constantly stirs, and being finally cooled to 30 DEG C can blowing finished product.
embodiment 2:
A kind of non-wood fibrous raw material digesting assistant preparation technology, comprises the following steps:
Step one, takes anthraquinone 3 parts by weight ratio, neopelex 3 parts, fatty alcohol-polyoxyethylene ether 6 parts, dimethyl sulfonic acid 15 parts, oxyammonia 5 parts;
Step 2, then batchings all for step one is got ready in proportion add in reactor, start and stir, and be warming up to 80 DEG C, insulation 100min;
Step 3, then adds the neutralization of 5 parts, sodium carbonate in the reactor in step 2, reaction 60min, and constantly stirs, and being finally cooled to 35 DEG C can blowing finished product.
embodiment 3:
A kind of non-wood fibrous raw material digesting assistant preparation technology, comprises the following steps:
Step one, takes anthraquinone 5 parts by weight ratio, neopelex 4 parts, fatty alcohol-polyoxyethylene ether 10 parts, dimethyl sulfonic acid 30 parts, oxyammonia 8 parts;
Step 2, then batchings all for step one is got ready in proportion add in reactor, start and stir, and be warming up to 100 DEG C, insulation 60min;
Step 3, then adds the neutralization of 10 parts, sodium carbonate in the reactor in step 2, reaction 90min, and constantly stirs, and being finally cooled to 40 DEG C can blowing finished product.
Non-wood fibrous raw material digesting assistant of the present invention overcomes the shortcoming that traditional anthraquinone is insoluble to cooking liquor in performance, there is good dissolubility and permeability, the reactivity worth in non-wood-fiber digestion process can be improved, reduce boiling alkali charge, shorten digestion time, improve into pulp yield, reduce paper pulp kappa number, slurry paper strength improves and all higher than the traditional Anthraquinones auxiliary agent of use, has a good application prospect and promotional value.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (8)
1. a non-wood fibrous raw material digesting assistant, is characterized in that, comprises the raw material of following weight: anthraquinone 1 part, neopelex 2 parts, fatty alcohol-polyoxyethylene ether 5 parts, dimethyl sulfonic acid 10 parts, oxyammonia 2 parts; Or
Anthraquinone 5 parts, neopelex 4 parts, fatty alcohol-polyoxyethylene ether 10 parts, dimethyl sulfonic acid 30 parts, oxyammonia 8 parts.
2. a kind of non-wood fibrous raw material digesting assistant according to claim 1, is characterized in that, the adduct number of the oxirane of described fatty alcohol-polyoxyethylene ether is 10-20.
3. a kind of non-wood fibrous raw material digesting assistant according to claim 1 and 2, is characterized in that, the adduct number of the oxirane of described fatty alcohol-polyoxyethylene ether is 12, and in alkyl, the number of C is 8-18.
4. a kind of non-wood fibrous raw material digesting assistant according to claim 1 and 2, is characterized in that, the adduct number of the oxirane of described fatty alcohol-polyoxyethylene ether is 16, and in alkyl, the number of C is 12.
5. a non-wood fibrous raw material digesting assistant preparation technology, is characterized in that, comprises the following steps:
Step one, takes anthraquinone 1-5 part by weight ratio, neopelex 1-4 part, fatty alcohol-polyoxyethylene ether 1-10 part, dimethyl sulfonic acid 5-30 part, oxyammonia 1-8 part;
Step 2, first gets ready batchings all for step one in proportion and adds in reactor, starts and stirs, and be warming up to 60-100 DEG C, insulation 60-150min;
Step 3, then adds the neutralization of sodium carbonate 2-10 part in the reactor in step 2, reaction 60-90min, and constantly stirs, and being finally cooled to 30-40 DEG C can blowing finished product.
6. a kind of non-wood fibrous raw material digesting assistant preparation technology according to claim 5, is characterized in that, comprise the following steps:
Step one, takes anthraquinone 1 part by weight ratio, neopelex 2 parts, fatty alcohol-polyoxyethylene ether 5 parts, dimethyl sulfonic acid 10 parts, oxyammonia 2 parts;
Step 2, first gets ready batchings all for step one in proportion and adds in reactor, starts and stirs, and be warming up to 60 DEG C, insulation 150min;
Step 3, then adds the neutralization of 2 parts, sodium carbonate in the reactor in step 2, reaction 70min, and constantly stirs, and being finally cooled to 30 DEG C can blowing finished product.
7. a kind of non-wood fibrous raw material digesting assistant preparation technology according to claim 5, is characterized in that, comprise the following steps:
Step one, takes anthraquinone 3 parts by weight ratio, neopelex 3 parts, fatty alcohol-polyoxyethylene ether 6 parts, dimethyl sulfonic acid 15 parts, oxyammonia 5 parts;
Step 2, then batchings all for step one is got ready in proportion add in reactor, start and stir, and be warming up to 80 DEG C, insulation 100min;
Step 3, then adds the neutralization of 5 parts, sodium carbonate in the reactor in step 2, reaction 60min, and constantly stirs, and being finally cooled to 35 DEG C can blowing finished product.
8. a kind of non-wood fibrous raw material digesting assistant preparation technology according to claim 5, is characterized in that, comprise the following steps:
Step one, takes anthraquinone 5 parts by weight ratio, neopelex 4 parts, fatty alcohol-polyoxyethylene ether 10 parts, dimethyl sulfonic acid 30 parts, oxyammonia 8 parts;
Step 2, then batchings all for step one is got ready in proportion add in reactor, start and stir, and be warming up to 100 DEG C, insulation 60min;
Step 3, then adds the neutralization of 10 parts, sodium carbonate in the reactor in step 2, reaction 90min, and constantly stirs, and being finally cooled to 40 DEG C can blowing finished product.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1879593A (en) * | 2006-04-30 | 2006-12-20 | 北京市航天焊接材料厂 | A liquid-state protective hands mask and preparation method thereof |
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| CN1071476A (en) * | 1991-10-04 | 1993-04-28 | 杨福廷 | Alkyl quinone polyoxyethylene ether sulfosalt boiling assistant |
| CN1611672A (en) * | 2003-10-30 | 2005-05-04 | 曾国奇 | Papermaking pulping cooking auxiliary |
| JP4743757B2 (en) * | 2004-10-22 | 2011-08-10 | 信越化学工業株式会社 | Silicone paper treatment agent |
| CN101982607B (en) * | 2010-10-14 | 2013-01-23 | 湖南美莱精化有限公司 | Cooking agent for papermaking and pulping and preparation method thereof |
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| CN1879593A (en) * | 2006-04-30 | 2006-12-20 | 北京市航天焊接材料厂 | A liquid-state protective hands mask and preparation method thereof |
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