CN102745909A - Low-wear wollastonite mineral fiber for paper making - Google Patents
Low-wear wollastonite mineral fiber for paper making Download PDFInfo
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- CN102745909A CN102745909A CN2012102426457A CN201210242645A CN102745909A CN 102745909 A CN102745909 A CN 102745909A CN 2012102426457 A CN2012102426457 A CN 2012102426457A CN 201210242645 A CN201210242645 A CN 201210242645A CN 102745909 A CN102745909 A CN 102745909A
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- wollastonite
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Abstract
The invention discloses a low-wear wollastonite mineral fiber for paper making, which is formed by independently placing modified wollastonite, composite modifier and retention modifier according to the parts by weight of 1000:(8-15):(1-2); and the low-wear wollastonite mineral fiber is prepared into pulp before being used, and the composite modifier and the retention modifier are used for completely wrapping the modified wollastonite. The produced pulp can be used as the filling for paper making, and is added into a pulping tank to be used together for paper making pulping. The low-wear wollastonite mineral fiber for paper making has an obvious modification effect, not only can the wear degree of the wollastonite on a paper making mesh be reduced, but also the retention rate of the wollastonite mineral fiber in the pulp can be improved.
Description
Technical field
The present invention relates to the wollastonite mine fibres, particularly relate to a kind of wollastonite mine fibres that can be used for papermaking, wollastonite mine fibres of the present invention is used for paper industry can obviously reduce when copying paper the wearing and tearing to screen cloth.
Background technology
Wollastonite belongs to a kind of metasilicate, has fibrous or acicular structure, and color is white in color, and is with light gray, pale red tone sometimes, and hardness is high.Wollastonite has good insulation performance property, has very high whiteness, excellent dielectric properties and higher heat-resisting, weather resistance simultaneously, is widely used in fields such as pottery, chemical industry, metallurgy, papermaking, plastics, coating.
Because the relative vegetable fibre of price of wollastonite mine fibres is cheaper; Its special microscopic fibers structure in addition; After processing treatment can with the vegetable fibre weave in the paper pulp; Generate mineral fibre and the common reticulated structure product of vegetable fibre, therefore in paper industry, be widely used.The wollastonite mine fibres has minute hand shape structure; Alternative part wood pulp cellulose or other plant fiber under the paper quality situation can not influenced; Reduce the paper pulp consumption; Finished product paper bulk and whiteness have had raising by a relatively large margin simultaneously, so, add the wollastonite mine fibres and can practice thrift vegetable fibre and reduce chemical bleaching product consumption; Minimizing makes the wollastonite mine fibres become a kind of new type functional surrogate in the paper industry rapidly to the broken ring of dependence of resources such as trees and ecotope.
Wollastonite mine can show in the graded crushing process along cleavage surface cleavage disruptive trend, makes the wollastonite mine powder form sharp-pointed corner angle.These corner angle make wollastonite in the application of industries such as plastics, rubber, can form focal point of stress, bring out crackle easily and cause material failure, and can produce very significantly wearing and tearing by expensive screen cloth when copying paper at paper industry, reduce the work-ing life of screen cloth.Therefore, the addition of wollastonite in papermaking received very big restriction.
The effective ways that overcome this technological deficiency are modification to be carried out on the surface of wollastonite handle; With the wollastonite mine fibres is base matter; Keeping the material raphioid fiber not receive broken under the prerequisite of ring, handling the coating layer that making its surface form one or more materials, the direct contact between minimizing wollastonite and the frayed material surface through modification; Through the lubrication of properties-correcting agent material realization wollastonite commute damaged material, reduce the degree of wear of wollastonite.
At present be divided into two kinds of dry method and wet methods for the method for modifying of wollastonite material.Dry method modification is mainly used in the plastic industry; Adopt tensio-active agent, coupling agent etc. that wollastonite is handled; Coupling agent modified is main with silane coupling agent, titanate coupling agent, aluminate coupling agent or aluminium titanium complex class coupling agent mainly; The wollastonite mine fibres of handling is unfavorable for that because of having close organic property the papermaking environment of water system condition uses.Wet-process modified main employing deposition coating method; Mode to take surface deposition is modified material surface; Increase material function or reduce influence its equipment; Operations such as the wet-precipitated coating modification need be passed through chemical precipitation, filtration, washing, dehydration, dries, smashes, packing, the technology more complicated, and cost is higher.
Summary of the invention
The purpose of this invention is to provide the low abrasion of a kind of paper grade (stock) wollastonite mine fibres, add of the wearing and tearing of wollastonite mine fibres in the paper industry for screen cloth to reduce.
The low abrasion of paper grade (stock) provided by the invention wollastonite mine fibres is by modified grammite, the composite modifier of independent placement separately and helps and stay properties-correcting agent to constitute, and the ratio of weight and number of said each component satisfies modified grammite: composite modifier: help and stay properties-correcting agent=1000:8～15:1～2.
Described modified grammite is the powder mixture that is mixed and made into according to the ratio of weight and number of 1000:10～20 by wollastonite mine fibres powder and Wollastonite modified dose of HJ-601.Wherein, described wollastonite mine fibres powder preferable particle size is that 400～2000 orders, length-to-diameter ratio are the wollastonite mine fibres powder of 8～20:1, and described Wollastonite modified dose of HJ-601 is by the development and production of the fine Science and Technology Ltd. in Hua Jietai ore deposit, Jiangxi.
Described composite modifier is to be mixed and made into by any two or three among 2～10 weight part properties-correcting agent a, 2～8 weight part properties-correcting agent b, 2～8 weight part properties-correcting agent c.Wherein, properties-correcting agent a is a soluble polysacchrides organic polymer properties-correcting agent, can be a kind of in soluble chitin, hydroxypropylcellulose, Natvosol, hydroxypropyl melon glue, the cationic starch; Properties-correcting agent b is a kind of in ZX-I, polymine, the poly amic acid; Properties-correcting agent c perhaps uses modified montmorillonite used, perhaps uses wilkinite, perhaps uses the mixture of the two.
Describedly help that to stay properties-correcting agent be one or more the arbitrary proportion mixture in potassium aluminium sulfate, Poly aluminum Chloride (PAC), polyaluminium sulfate, the SEPIGEL 305.
In the low abrasion of the paper grade (stock) of the present invention wollastonite mine fibres; Its moity modified grammite, composite modifier and help that to stay properties-correcting agent be placed apart; Before using its water is mixed with slurry, makes composite modifier and help and stay properties-correcting agent to be coated on the modified grammite surface fully can to use.Its concrete method of use is: the modified grammite adding is accounted in the water of its 40～60 times of weight; Join slurry 20～40min in 35～50 ℃ of stirrings; Add composite modifier again and stir 10～20min; Add at last to help and stay properties-correcting agent to stir 5～10min, make properties-correcting agent be coated on wollastonite mine fibres surface fully and process slurry.
The pH value of wherein, joining water in the slurry process should be controlled between 4.5～9.
The above-mentioned slurry of processing can be used as the paper grade (stock) filler, when slurry is joined in papermaking, adds to join in the stock tank and uses together.
Each moity is placed apart before use for the low abrasion of paper grade (stock) of the present invention wollastonite mine fibres, and wollastonite mine fibres powder and Wollastonite modified dose of HJ-601 do not react at anhydrous condition.In case water arranged and control under suitable water temperature, the pH value condition; Wollastonite modified dose of HJ-601 is dissolved in the water very soon; Under the effect of hydrogen bond, react with wollastonite; The formation organic polymer material coats, and adds composite modifier then and gives over to helping of usefulness and stay properties-correcting agent with having to help, and can improve the avidity of wollastonite to composite modifier.
The present invention adopts composite modifier and wollastonite mine fibres is placed apart, and water is mixed with the use-pattern of slurry before using, and operating procedure is simple, has reduced many links of modifying process, has reduced production cost and implementation cost.
The low abrasion of paper grade (stock) of the present invention wollastonite mine fibres modified effect is obvious, not only can reduce the degree of wear of wollastonite to the papermaking screen cloth, can also improve the retention of wollastonite mine fibres in paper pulp simultaneously.
The low abrasion of paper grade (stock) of the present invention wollastonite mine fibres grinds the test of formula abrasion appearance through ten; Its stage of wear (quality representation that is worn with copper mesh) is 140～170mg; Compare with the stage of wear of ordinary silicon lime stone mineral fibre 290～330mg; Decrease by 41.4%～57.5%, it is remarkable that abrasion reduce effect.
Embodiment
Embodiment 1
Get the wollastonite mine fibres powder of 1000g particle diameter 400 orders, length-to-diameter ratio 8～12:1, add the Wollastonite modified dose of HJ-601 that the fine Science and Technology Ltd. in Hua Jietai ore deposit, 15g Jiangxi produces, thorough mixing is even, is packaged to be the modified grammite powder mixture.
6g hydroxypropylcellulose and 4g ZX-I is hybrid packed, process composite modifier.
The independent packaging of 1.5g polyaluminium sulfate is stayed properties-correcting agent as helping.
During use, above-mentioned modified grammite is put into stirrer, add 40 ℃ water 5000mL; Regulating pH value is 6, stirs with the rotating speed of 500rpm/min, react 15min after; Add composite modifier and continue stirring reaction 15min; Add to help at last and stay properties-correcting agent, stirring reaction 5min, question response accomplish and can make the low abrasion of paper grade (stock) wollastonite mine fibres slurry.
Embodiment 2
Get the wollastonite mine fibres powder of 1000g particle diameter 800 orders, length-to-diameter ratio 10～12:1, add the Wollastonite modified dose of HJ-601 that the fine Science and Technology Ltd. in Hua Jietai ore deposit, 18g Jiangxi produces, thorough mixing is even, is packaged to be the modified grammite powder mixture.
5g hydroxypropylguar gum and 7.5g wilkinite is hybrid packed, process composite modifier.
The independent packaging of 2g potassium aluminium sulfate is stayed properties-correcting agent as helping.
During use, above-mentioned modified grammite is put into stirrer, add 37 ℃ water 5000mL; Regulating pH value is 6, stirs with the rotating speed of 500rpm/min, react 15min after; Add composite modifier and continue stirring reaction 20min; Add to help at last and stay properties-correcting agent, stirring reaction 5min, question response accomplish and can make the low abrasion of paper grade (stock) wollastonite mine fibres slurry.
Embodiment 3
Get the wollastonite mine fibres powder of 1000g particle diameter 1250 orders, length-to-diameter ratio 10～15:1, add the Wollastonite modified dose of HJ-601 that the fine Science and Technology Ltd. in Hua Jietai ore deposit, 12g Jiangxi produces, thorough mixing is even, is packaged to be the modified grammite powder mixture.
8g Natvosol and 7g is modified montmorillonite used hybrid packed, process composite modifier.
The independent packaging of 1.8g Poly aluminum Chloride (PAC) is stayed properties-correcting agent as helping.
During use, above-mentioned modified grammite is put into stirrer, add 42 ℃ water 5000mL; Regulating pH value is 6.5, stirs with the rotating speed of 500rpm/min, react 13min after; Add composite modifier and continue stirring reaction 15min; Add to help at last and stay properties-correcting agent, stirring reaction 6min, question response accomplish and can make the low abrasion of paper grade (stock) wollastonite mine fibres slurry.
Embodiment 4
Get the wollastonite mine fibres powder of 1000g particle diameter 2000 orders, length-to-diameter ratio 15～20:1, add the Wollastonite modified dose of HJ-601 that the fine Science and Technology Ltd. in Hua Jietai ore deposit, 9g Jiangxi produces, thorough mixing is even, is packaged to be the modified grammite powder mixture.
3g cationic starch, 3g poly amic acid and 5g wilkinite is hybrid packed, process composite modifier.
With the 1.2g Poly aluminum Chloride (PAC) and the 0.5g SEPIGEL 305 is hybrid packed stays properties-correcting agent as helping.
During use, above-mentioned modified grammite is put into stirrer, add 50 ℃ water 5000mL; Regulating pH value is 7.5, stirs with the rotating speed of 500rpm/min, react 10min after; Add composite modifier and continue stirring reaction 15min; Add to help at last and stay properties-correcting agent, stirring reaction 6min, question response accomplish and can make the low abrasion of paper grade (stock) wollastonite mine fibres slurry.
Embodiment 5
Get the wollastonite mine fibres powder of 1000g particle diameter 1500 orders, length-to-diameter ratio 12～18:1, add the Wollastonite modified dose of HJ-601 that the fine Science and Technology Ltd. in Hua Jietai ore deposit, 13g Jiangxi produces, thorough mixing is even, is packaged to be the modified grammite powder mixture.
4g hydroxypropylcellulose, 3.5g ZX-I and 2g wilkinite, 1.5g modified montmorillonoid is hybrid packed, process composite modifier.
The independent packaging of 1.6g SEPIGEL 305 is stayed properties-correcting agent as helping.
During use, above-mentioned modified grammite is put into stirrer, add 42 ℃ water 5000mL; Regulating pH value is 8, stirs with the rotating speed of 500rpm/min, react 15min after; Add composite modifier and continue stirring reaction 15min; Add to help at last and stay properties-correcting agent, stirring reaction 6min, question response accomplish and can make the low abrasion of paper grade (stock) wollastonite mine fibres slurry.
Claims (3)
1. paper grade (stock) hangs down abrasion wollastonite mine fibres; By independent modified grammite, the composite modifier of placing separately with help and stay properties-correcting agent to constitute; And the ratio of weight and number of said each component satisfies modified grammite: composite modifier: help and stay properties-correcting agent=1000:8～15:1～2, wherein:
Described modified grammite is mixed and made into according to the ratio of weight and number of 1000:10～20 by wollastonite mine fibres powder and Wollastonite modified dose of HJ-601;
Described composite modifier is mixed and made into by any two or three among 2～10 weight part properties-correcting agent a, 2～8 weight part properties-correcting agent b, 2～8 weight part properties-correcting agent c; Wherein properties-correcting agent a is a kind of in soluble polysacchrides organic polymer properties-correcting agent soluble chitin, hydroxypropylcellulose, Natvosol, hydroxypropyl melon glue, the cationic starch; Properties-correcting agent b is a kind of in ZX-I, polymine, the poly amic acid; Properties-correcting agent c is modified montmorillonite used or wilkinite, or the mixture of the two;
Describedly help that to stay properties-correcting agent be one or more the arbitrary proportion mixture in potassium aluminium sulfate, Poly aluminum Chloride (PAC), polyaluminium sulfate, the SEPIGEL 305.
2. paper grade (stock) according to claim 1 hangs down abrasion wollastonite mine fibres, it is characterized in that particle diameter 400～2000 orders, the length-to-diameter ratio 8～20:1 of said wollastonite mine fibres powder.
3. claim 1 paper grade (stock) hangs down the method for use of abrasion wollastonite mine fibres; Be that modified grammite is added in the water of its 40～60 times of weight; Join slurry 20～40min in 35～50 ℃ of stirrings; Add composite modifier again and stir 10～20min, add at last to help and stay properties-correcting agent to stir 5～10min, make properties-correcting agent be coated on wollastonite mine fibres surface fully.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102426457A CN102745909A (en) | 2012-07-13 | 2012-07-13 | Low-wear wollastonite mineral fiber for paper making |
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| CN2012102426457A CN102745909A (en) | 2012-07-13 | 2012-07-13 | Low-wear wollastonite mineral fiber for paper making |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103469672A (en) * | 2013-09-07 | 2013-12-25 | 郴州四方立投资有限公司 | Preparation method of wollastonite long fiber for papermaking industry |
| CN103981757A (en) * | 2014-05-29 | 2014-08-13 | 张晶 | Composite ring crush strengthening agent and preparation method thereof |
| CN104004385A (en) * | 2014-05-13 | 2014-08-27 | 天津科技大学 | Preparation method of modified wollastonite used as papermaking filling materials |
| CN105113259A (en) * | 2015-07-30 | 2015-12-02 | 成都新柯力化工科技有限公司 | Wollastonite fiber flexibility improving method |
| CN106192557A (en) * | 2016-06-29 | 2016-12-07 | 长兴县强生塑化填料有限公司 | A kind of preparation method of wallpaper modified wollastonite powder |
| CN107724166A (en) * | 2017-10-19 | 2018-02-23 | 蒋文明 | A kind of preparation method of modified grammite |
| CN111910464A (en) * | 2020-08-07 | 2020-11-10 | 江西广源化工有限责任公司 | Composite filler, preparation method and application thereof, and light paper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103469672A (en) * | 2013-09-07 | 2013-12-25 | 郴州四方立投资有限公司 | Preparation method of wollastonite long fiber for papermaking industry |
| CN104004385A (en) * | 2014-05-13 | 2014-08-27 | 天津科技大学 | Preparation method of modified wollastonite used as papermaking filling materials |
| CN104004385B (en) * | 2014-05-13 | 2016-01-20 | 天津科技大学 | A kind of preparation method of the modified grammite for papermaking filler |
| CN103981757A (en) * | 2014-05-29 | 2014-08-13 | 张晶 | Composite ring crush strengthening agent and preparation method thereof |
| CN103981757B (en) * | 2014-05-29 | 2016-08-24 | 张晶 | A kind of complex loop pressure strengthening agent and preparation method thereof |
| CN105113259A (en) * | 2015-07-30 | 2015-12-02 | 成都新柯力化工科技有限公司 | Wollastonite fiber flexibility improving method |
| CN106192557A (en) * | 2016-06-29 | 2016-12-07 | 长兴县强生塑化填料有限公司 | A kind of preparation method of wallpaper modified wollastonite powder |
| CN106192557B (en) * | 2016-06-29 | 2018-07-24 | 浙江品创知识产权服务有限公司 | A kind of preparation method of wallpaper modified wollastonite powder |
| CN107724166A (en) * | 2017-10-19 | 2018-02-23 | 蒋文明 | A kind of preparation method of modified grammite |
| CN111910464A (en) * | 2020-08-07 | 2020-11-10 | 江西广源化工有限责任公司 | Composite filler, preparation method and application thereof, and light paper |
| CN111910464B (en) * | 2020-08-07 | 2022-06-14 | 江西广源化工有限责任公司 | Composite filler, preparation method and application thereof, and light paper |
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Application publication date: 20121024 |