CN104313942A - Synthesis method for inorganic fiber softener - Google Patents
Synthesis method for inorganic fiber softener Download PDFInfo
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- CN104313942A CN104313942A CN201410529598.3A CN201410529598A CN104313942A CN 104313942 A CN104313942 A CN 104313942A CN 201410529598 A CN201410529598 A CN 201410529598A CN 104313942 A CN104313942 A CN 104313942A
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- polyacrylamide
- softener
- inorfil
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Abstract
The invention discloses a synthesis method for an inorganic fiber softener. The synthesis method comprises the following steps: reacting chloroacetic acid and a polyacrylamide aqueous solution for 30 to 50 minutes at the temperature of 50 to 60 DEG C; then, adding sodium hydroxide into the reactant, and reacting for 30 to 50 minutes at the temperature of 50 to 60 DEG C to obtain a polyacrylamide fabric softener; regulating the pH value of the polyacrylamide fabric softener to be 6 to 8 at the temperature of 50 to 60 DEG C; and cooling, and adding emulsified silicone oil into the polyacrylamide fabric softener of which the pH value is regulated and mixing uniformly to obtain the inorganic fabric softener. According to the synthesis method for the inorganic fiber softener, the utilization rate of the inorganic fiber softener can be increased; the paper softness is remarkably improved by processing the inorganic fibers by adopting the inorganic fiber softener obtained by the method and then performing papermaking, and the synthesis method has the characteristics of being simple to operate and easy to implement.
Description
Technical field
The invention belongs to inorfil softening agent synthesis field, the synthetic method of particularly a kind of inorfil softening agent.
Background technology
Along with the development of society, the demand field of paper is more and more wider, and people are also increasing to the demand of paper.And not only there is the problems such as Forest resources dynamics is large, environmental pollution is more serious in traditional string papermaking, simultaneously by the restriction of papermaking raw material, become paper to have easy firing, the easily moisture absorption feature such as to go mouldy, constrain the application and development of traditional plant fibrous paper in all trades and professions.Inorfil have do not fire, feature that not burnt, anti-mildew becomes, the appearance of specialty inorganic fibrous paper in time advances further developing of paper industry.
Use inorfil papermaking advantage a lot, but also come with some shortcomings.One, inorfil can not fibrillating, and fragility is large, and rigidity is strong, and fiber is short, and through making beating, dispersion in pulping process, conveying is more easily ruptured.Its two, most inorfil difficulties in dispersion, easily occur the problems such as segment fiber interweaving, occluding device, papermaking difficulty is large.Its three, the paper paper surface be copied into inorfil is more coarse, easy dry linting, and pliability is poor, unsuitable folding, and use feel poor, comfort level is not good enough.These deficiencies greatly have impact on the application and development of inorganic fibre paper in productive life, therefore suitable dispersant and softener must be selected to process inorfil, with fortifying fibre pliability, improve its ru nnability.
Summary of the invention
The object of the present invention is to provide a kind of synthetic method of inorfil softening agent, the utilization rate of inorfil can be improved, and the inorfil softening agent that employing the method obtains is to inorfil process, then papermaking is carried out, its paper pliability is significantly improved, and has feature simple to operate, easy to implement.
In order to achieve the above object, the technical solution used in the present invention comprises the following steps:
1) monoxone and polyacrylamide solution are reacted 30-50min at 50-60 DEG C, then add NaOH wherein, and react 30-50min at 50-60 DEG C, obtain polyacrylamide fibers softener; Wherein, in monoxone and polyacrylamide solution, the mass ratio of polyacrylamide is 1:(1.5-2), in NaOH and polyacrylamide solution, the mass ratio of polyacrylamide is 1:(5-6);
2) pH value of polyacrylamide fibers softener is adjusted to 6-8 at 50-60 DEG C, then lowers the temperature, in the polyacrylamide fibers softener after adjust ph, add silicone emulsion mix, obtain inorfil softening agent; Wherein, the polyacrylamide fibers softener after regulating pH to refer to and the mass ratio of silicone emulsion are 1:(0.5-1).
Described step 1) in polyacrylamide solution be according to 1:(60-80) mass ratio by polyacrylamide and water, mix and blend at 45-50 DEG C obtains.
Described step 2) in silicone emulsion be emulsification dimethicone.
Described step 2) in be cooled to less than 40 DEG C.
Compared with prior art, beneficial effect of the present invention is:
The aqueous solution and the monoxone that present invention employs the polyacrylamide with stronger fiber evacuation capacity carry out acidification reaction, make the amino on polyacrylamide be converted into ammonium radical ion to become positively charged, enable the inorfil softening agent finally obtained be convenient to be adsorbed on electronegative inorfil, fiber is effectively softened; Meanwhile, polyacrylamide itself is with certain interaction that electrically can strengthen between itself and inorfil; And add solid sodium hydroxide, carry out neutralization reaction with the carboxyl on acrylamide, generate electronegative carboxylate radical, the inorfil of the inorfil softening agent process obtained well is disperseed, do not reunite; Therefore, the inorfil softening agent that the present invention obtains processes inorfil, the inorfil pliability of gained significantly improves, the paper performance using the inorfil through this inorfil softening agent process to manufacture paper with pulp in paper-making process is improved, and has feature simple to operate, easy to implement.
In addition, also add the silicone emulsion reducing frictional force mutually between inorfil in the inorfil softening agent prepared by the present invention, thus make inorfil feel more smooth.Inorfil after above-mentioned two-step pretreatment significantly improves with string mixing papermaking, its paper pliability.
Detailed description of the invention
Embodiment 1:
Step 1: polyacrylamide and water are carried out mixed dissolution by the mass ratio of 1:60 in room temperature to 45 DEG C, fully stirs, obtain transparent polyacrylamide solution;
Step 2: monoxone and polyacrylamide solution are reacted 30min at 60 DEG C, then adds solid sodium hydroxide wherein, and react 30min at 60 DEG C, polyacrylamide fibers softener; Wherein, in monoxone and polyacrylamide solution, the mass ratio of polyacrylamide is 1:1.5, and in NaOH and polyacrylamide solution, the mass ratio of polyacrylamide is 1:5;
Step 3: the pH value of polyacrylamide fibers softener is adjusted to 6 at 60 DEG C, then cools to 40 DEG C, adds emulsification dimethicone and mixes, obtain inorfil softening agent in the polyacrylamide fibers softener after adjust ph; Wherein, the polyacrylamide fibers softener after adjust ph and the mass ratio of silicone emulsion are 1:0.5.
Embodiment 2:
Step 1: polyacrylamide and water are carried out mixed dissolution by the mass ratio of 1:70 in room temperature to 50 DEG C, fully stirs, obtain transparent polyacrylamide solution;
Step 2: monoxone and polyacrylamide solution are reacted 40min at 58 DEG C, then adds solid sodium hydroxide wherein, and react 30min at 58 DEG C, polyacrylamide fibers softener; Wherein, in monoxone and polyacrylamide solution, the mass ratio of polyacrylamide is 1:1.7, and in NaOH and polyacrylamide solution, the mass ratio of polyacrylamide is 1:5.3;
Step 3: the pH value of polyacrylamide fibers softener is adjusted to 8 at 58 DEG C, then cools to 35 DEG C, adds emulsification dimethicone and mixes, obtain inorfil softening agent in the polyacrylamide fibers softener after adjust ph; Wherein, the polyacrylamide fibers softener after regulating pH to refer to and the mass ratio of silicone emulsion are 1:1.
Embodiment 3:
Step 1: polyacrylamide and water are carried out mixed dissolution by the mass ratio of 1:70 in room temperature to 48 DEG C, fully stirs, obtain transparent polyacrylamide solution;
Step 2: monoxone and polyacrylamide solution are reacted 40min at 55 DEG C, then adds solid sodium hydroxide wherein, and react 40min at 55 DEG C, polyacrylamide fibers softener; Wherein, in monoxone and polyacrylamide solution, the mass ratio of polyacrylamide is 1:1.6, and in NaOH and polyacrylamide solution, the mass ratio of polyacrylamide is 1:6;
Step 3: the pH value of polyacrylamide fibers softener is adjusted to 7 at 55 DEG C, then cools to 30 DEG C, adds emulsification dimethicone and mixes, obtain inorfil softening agent in the polyacrylamide fibers softener after adjust ph; Wherein, the polyacrylamide fibers softener after regulating pH to refer to and the mass ratio of silicone emulsion are 1:0.8.
Embodiment 4:
Step 1: polyacrylamide and water are carried out mixed dissolution by the mass ratio of 1:80 in room temperature to 50 DEG C, fully stirs, obtain transparent polyacrylamide solution;
Step 2: monoxone and polyacrylamide solution are reacted 50min at 53 DEG C, then adds solid sodium hydroxide wherein, and react 50min at 53 DEG C, polyacrylamide fibers softener; Wherein, in monoxone and polyacrylamide solution, the mass ratio of polyacrylamide is 1:1.9, and in NaOH and polyacrylamide solution, the mass ratio of polyacrylamide is 1:6;
Step 3: the pH value of polyacrylamide fibers softener is adjusted to 7 at 53 DEG C, then cools to 40 DEG C, adds emulsification dimethicone and mixes, obtain inorfil softening agent in the polyacrylamide fibers softener after adjust ph; Wherein, the polyacrylamide fibers softener after regulating pH to refer to and the mass ratio of silicone emulsion are 1:0.7.
Embodiment 5:
Step 1: polyacrylamide and water are carried out mixed dissolution by the mass ratio of 1:80 in room temperature to 50 DEG C, fully stirs, obtain transparent polyacrylamide solution;
Step 2: monoxone and polyacrylamide solution are reacted 40min at 50 DEG C, then adds solid sodium hydroxide wherein, and react 50min at 50 DEG C, polyacrylamide fibers softener; Wherein, in monoxone and polyacrylamide solution, the mass ratio of polyacrylamide is 1:2, and in NaOH and polyacrylamide solution, the mass ratio of polyacrylamide is 1:5.8;
Step 3: the pH value of polyacrylamide fibers softener is adjusted to 7 at 50 DEG C, then cools to 38 DEG C, adds emulsification dimethicone and mixes, obtain inorfil softening agent in the polyacrylamide fibers softener after adjust ph; Wherein, the polyacrylamide fibers softener after regulating pH to refer to and the mass ratio of silicone emulsion are 1:0.6.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (4)
1. a synthetic method for inorfil softening agent, is characterized in that, comprises the following steps:
1) monoxone and polyacrylamide solution are reacted 30-50min at 50-60 DEG C, then add NaOH wherein, and react 30-50min at 50-60 DEG C, obtain polyacrylamide fibers softener; Wherein, in monoxone and polyacrylamide solution, the mass ratio of polyacrylamide is 1:(1.5-2), in NaOH and polyacrylamide solution, the mass ratio of polyacrylamide is 1:(5-6);
2) pH value of polyacrylamide fibers softener is adjusted to 6-8 at 50-60 DEG C, then lowers the temperature, in the polyacrylamide fibers softener after adjust ph, add silicone emulsion mix, obtain inorfil softening agent; Wherein, the polyacrylamide fibers softener after regulating pH to refer to and the mass ratio of silicone emulsion are 1:(0.5-1).
2. the synthetic method of inorfil softening agent according to claim 1, is characterized in that: described step 1) in polyacrylamide solution be according to 1:(60-80) mass ratio by polyacrylamide and water, mix and blend at 45-50 DEG C obtains.
3. the synthetic method of inorfil softening agent according to claim 1, is characterized in that: described step 2) in silicone emulsion be emulsification dimethicone.
4. the synthetic method of inorfil softening agent according to claim 1, is characterized in that: described step 2) in be cooled to less than 40 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105155265A (en) * | 2015-08-31 | 2015-12-16 | 成都新柯力化工科技有限公司 | Wollastonite fibers for paper making and preparation method thereof |
| CN105484101A (en) * | 2015-11-20 | 2016-04-13 | 陕西科技大学 | Preparation method for inorganic fiber softening agent, and modification method for improving softness of inorganic fiber by using inorganic fiber softening agent |
| CN106835697A (en) * | 2017-01-04 | 2017-06-13 | 酒泉恒通节能科技有限公司 | A kind of high-performance mineral fabric softening and preparation method thereof |
| CN109371746A (en) * | 2018-11-01 | 2019-02-22 | 咸阳职业技术学院 | A kind of inorfil softness dispersing agent, preparation method and its application for enhancing inorfil pliability and dispersion performance |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155265A (en) * | 2015-08-31 | 2015-12-16 | 成都新柯力化工科技有限公司 | Wollastonite fibers for paper making and preparation method thereof |
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| CN105484101A (en) * | 2015-11-20 | 2016-04-13 | 陕西科技大学 | Preparation method for inorganic fiber softening agent, and modification method for improving softness of inorganic fiber by using inorganic fiber softening agent |
| CN106835697A (en) * | 2017-01-04 | 2017-06-13 | 酒泉恒通节能科技有限公司 | A kind of high-performance mineral fabric softening and preparation method thereof |
| CN106835697B (en) * | 2017-01-04 | 2019-09-20 | 酒泉恒通节能科技有限公司 | A kind of high-performance mineral fabric softening and preparation method thereof |
| CN109371746A (en) * | 2018-11-01 | 2019-02-22 | 咸阳职业技术学院 | A kind of inorfil softness dispersing agent, preparation method and its application for enhancing inorfil pliability and dispersion performance |
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