CN1631956A - Polyolefin composite material filled with modified gangue powder and method for preparing same - Google Patents
Polyolefin composite material filled with modified gangue powder and method for preparing same Download PDFInfo
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- CN1631956A CN1631956A CN 200410081329 CN200410081329A CN1631956A CN 1631956 A CN1631956 A CN 1631956A CN 200410081329 CN200410081329 CN 200410081329 CN 200410081329 A CN200410081329 A CN 200410081329A CN 1631956 A CN1631956 A CN 1631956A
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Abstract
Disclosed is a polyolefin component material filed with modified coal slack power, which is produced through the technical equipment and steps the invention has supplied, with the mass ratio of modified coal slack containing polydiolefin epoxy rubber whose mass ratio with it is 2-20:100, and polyolefin being 10-70:100. The modified coal slack powder having been processed by polydiolefin epoxy rubber is easy to disperse,a nd the surface binding force of it and resin substrateis increased, as well as its comprehensive performances has been advanced, be sides it has simple productive course, low few rubber, low price, the modified coal slack powder need not to be burnt, which can save energy and cost and will not destroy the productive course and pollute the environment.
Description
One, technical field
The invention belongs to composite polyolefine material and manufacturing technology field thereof, be specifically related to a kind of composite polyolefine material of filling with modified gangue powder and preparation method thereof.
Two, background technology
Filling compound is one of polyolefinic important modification means.By filling compounding technology, can reduce material cost greatly, significantly improve performances such as polyolefinic rigidity, thermotolerance and dimensional stability, give material new feature, enlarge its range of application.
Coal gangue is the rock with the coal association, is the solid waste that is separated in coal mining and dressing of coal by washing process, is present quantity discharged and the industrial solid castoff that causes the environmental pollution maximum, and China to the utilization ratio of coal gangue less than 30%.The coal gangue powder as filler that the direct fragmentation of coal gangue is obtained is used to prepare polymer composite broad application prospect and good social benefit, because it is abundant, cheap that colliery powder is not only originated, be used to fill the very big polyolefin substrate material of consumption, have the moulding of being easy to, can process continuously, characteristics such as performance is good, in light weight, cost is low, wide in the market outlook of industries such as petrochemical complex, automotive industry, coal-mining industry, daily product.
The technical problem underlying that filling coal slack powder into polyolefin need solve be filler is uniformly dispersed in matrix and reinforcing filler and matrix between interaction force.At present, the method for bibliographical information is: earlier colliery powder is calcined, with properties-correcting agent it is carried out surface modification then, again polyolefine is filled the preparation matrix material.As " Huabei Polytechnical College journal ", what nineteen ninety-fives 16 (4) were introduced makes silica-alumina carbon black with colliery powder through the processing of methods such as calcining, and filling high-density polyethylene after coupling agent modified can make matrix material other mechanical properties except that toughness obviously improve again.And for example the use lower molecular weight silane introduced of " plastic working application " 1996 (1) is made filling high-density polyethylene behind the coupling agent modified silica-alumina carbon black, and the intensity of matrix material, thermal characteristics and processing characteristics increase, but shock strength obviously descends.The multiple lower molecular weight of use of " plastics science and technology " (2) introduction in 1991 is coupling agent modified for another example prepares matrix material through incinerating colliery powder filled polypropylene, effect is better than pearl filler, the thermotolerance and the processing fluidity of matrix material obviously improve, but intensity and toughness all increase and reduce rapidly with filler.Though these class methods have been improved more polyolefinic performances to a certain extent, also can reduce cost to a certain extent, but can not improve synchronously its over-all properties, and because colliery powder is needed earlier through the modification of calcining ability, be used for filled polyolefin at last, its technical process is long undoubtedly, the energy consumption height, and the reduction of cost is limited.Though can simplify technology and reduce cost if directly adopt without the colliery powder of calcination processing, the mechanical property of matrix material is difficult to the requirement that reaches satisfied.
Three, summary of the invention
The objective of the invention is the deficiency at prior art, a kind of composite polyolefine material of filling with modified gangue powder is provided, mechanical properties such as the intensity of this material, toughness, modulus all are greatly improved.
Another object of the present invention provides the method for a kind of preparation with the composite polyolefine material of modified gangue powder filling.
Composite polyolefine material of filling provided by the invention with modified gangue powder, it is characterized in that modified gangue powder and polyolefinic weight ratio are 10～70: 100, and containing the polydiolefin epoxidezed rubber in the modified gangue powder, the weight ratio of this rubber and colliery powder is 2～20: 100.Because the polydiolefin epoxidezed rubber that composite polyolefine material provided by the invention contains is reactive both sexes macromole, the existing nonpolar segment similar to polyolefine, have with the hydroxyl isopolarity group interaction on colliery powder surface stronger again, even can react and reach the epoxy group(ing) of Chemical bond effect, thereby can effectively improve and regulate the dispersion state of colliery powder in polyolefine, and can improve the interface binding power of colliery powder and resin matrix, thereby improve the comprehensive mechanical property and the processing characteristics of matrix material.
The invention provides the method for a kind of preparation, it is characterized in that the processing step of this method and condition are as follows with the composite polyolefine material of modified gangue powder filling:
(1) under the colliery powder surface treatment room temperature polydiolefin rubber ring oxidation water-based emulsion spraying is distributed to the colliery powder surface of high-speed stirring;
(2) drying is dried to water content＜0.1% with surface treated colliery powder under≤100 ℃;
(3) polyolefinic high temperature plasticizing is put into rubber and plastic Banbury mixer or two roller mill with polyolefine, plastifies 3～5 minutes down for 160～240 ℃ in temperature;
(4) polyolefine and the high-temperature mixing of having handled colliery powder surface-treated colliery powder add in the high temperature plastifying polyolefine, 160～240 ℃ of temperature, and mixing 5～15 minutes;
(5) after granulation is reduced to room temperature with the material that mixes, pelletizing can or again with its as masterbatch further with the polyolefine mixing granulator, or directly with polyolefine and the surface-treated colliery powder put into twin screw extruder together, 70～130 rev/mins of rotating speeds, under 170～240 ℃ of the temperature, melt blending is extruded pelletizing.
Polydiolefin rubber ring oxidation water-based emulsion is industrialized product in the aforesaid method, and its consumption is in wherein contained polydiolefin dry rubber substance, with the weight ratio of colliery powder be 2～20: 100.The weight percent content of epoxidized polydienes hydrocarbon rubbers is 20～40% in the polydiolefin rubber ring oxidation water-based emulsion of selecting for use, and the double bond epoxidation rate of polydiolefin rubber is 15～50%.
Handled colliery powder in the aforesaid method and polyolefinic mixing weight ratio is 10～70: 100.
The present invention has the following advantages:
1, can make colliery powder in polyolefin substrate, be easy to disperse owing to containing in the composite polyolefine material provided by the invention, and can improve the epoxidized polydienes hydrocarbon rubbers of the interface binding power of colliery powder and resin matrix, thereby its mechanical property is with respect to the composite polyolefine material of undressed coal gangue filling, its intensity can improve 10～30%, modulus can improve 10～20%, toughness can improve more than 20%～50%, and the processing fluidity of matrix material also increases simultaneously; With respect in the prior art through the matrix material of low molecular weight surfactant treatment agent Processing of Preparation, reduced the loss of composite material strength, and the toughness of matrix material strengthened to some extent, make its over-all properties that obvious improvement arranged, what use is without the incinerating colliery powder in addition, and its cost also can reduce greatly.
2, because method provided by the invention is to adopt the surface modification treatment agent of polydiolefin rubber ring oxidation water-based emulsion as colliery powder, thereby can directly handle without the incinerating colliery powder, make it both to reach in polyolefin substrate and better disperse, improve the effect of its over-all properties, it is few to have process again, and technology is easy, easy to operate, save energy, characteristics such as cost is low also help the comprehensive utilization that promotes coal gangue simultaneously.
3, because the selected coal gangue treatment agent of the present invention is a water-base emulsion, can not produce pollution and destruction to operating process and environment, avoided using and discharging of organic solvent.
4, because the coal gangue treatment agent polydiolefin rubber ring oxidation water-based emulsion that the present invention selects for use is directly to be taken from industrialized product, thereby raw material is easy to get low price.
5, the consumption of epoxidized polydienes hydrocarbon rubbers is not only few among the preparation method of the present invention, but also can be by the allotment of its consumption, control effectively filler in the matrix material dispersion state and with the interaction of matrix, make the composite property of acquisition can satisfy different service requirementss.
Four, embodiment
Provide embodiment below so that the present invention will be described in detail; be necessary to be pointed out that at this following examples can not be interpreted as limiting the scope of the invention; the person skilled in the art of this area can make some nonessential improvement and adjustment according to the content of the invention described above, but must belong to protection scope of the present invention.
Embodiment 1
(1) processing of colliery powder at room temperature is 50% polydiolefin rubber ring oxidation water-based emulsion with epoxidation level, in contained dry rubber substance wherein, it in weight ratio 4: 100 ratio with colliery powder, spraying is scattered in the colliery powder surface of high-speed stirring, after treating that its blending dispersion evenly, under≤100 ℃, be dried to material moisture＜0.1%.
(2) Composite Preparation is put into the rubber and plastic Banbury mixer with polypropylene granules, at rotating speed is 25～35 rev/mins, temperature is under 170 ℃, plastify after 3 minutes, by polypropylene and colliery powder weight ratio is 100: 15, will be the surface-treated colliery powder add in the high temperature plastifying polypropylene, continued mixing 7 minutes; After taking-up is cooled to room temperature, make the polypropylene composite material pellet of filling with plastic breaker with modified gangue powder.The goods of the polypropylene composite material that the gained pellet is available compacting, extrude, the injecting method preparation is filled with modified gangue powder.
Embodiment 2
(1) processing of colliery powder at room temperature is 25% polydiolefin rubber ring oxidation water-based emulsion with epoxidation level, in contained dry rubber substance wherein, it in weight ratio 8: 100 ratio with colliery powder, spraying is scattered in the colliery powder surface of high-speed stirring, after treating that its blending dispersion evenly, under≤100 ℃, be dried to material moisture＜0.1%.
(2) Composite Preparation is put into the rubber and plastic Banbury mixer with polyethylene pellet, at rotating speed is 25～35 rev/mins, temperature is under 210 ℃, plastify after 5 minutes, by polyethylene and colliery powder weight ratio is 100: 70, will be the surface-treated colliery powder add in the high temperature plastifying polyethylene, continued mixing 10 minutes; After taking-up is cooled to room temperature, make the composite polyethylene material pellet of filling with plastic breaker with modified gangue powder.The goods of the composite polyethylene material that the gained pellet is available compacting, extrude, the injecting method preparation is filled with modified gangue powder.
Embodiment 3
(1) processing of colliery powder at room temperature is 15% polydiolefin rubber ring oxidation water-based emulsion with epoxidation level, in contained dry rubber substance wherein, it in weight ratio 20: 100 ratio with colliery powder, spraying is scattered in the colliery powder surface of high-speed stirring, after treating that its blending dispersion evenly, under≤100 ℃, be dried to material moisture＜0.1%.
(2) Composite Preparation is put into the rubber and plastic Banbury mixer with polypropylene granules, at rotating speed is 25～35 rev/mins, temperature is under 190 ℃, plastify after 4 minutes, by polypropylene and colliery powder weight ratio is 100: 50, will be the surface-treated colliery powder add in the high temperature plastifying polypropylene, continued mixing 8 minutes; After taking-up is cooled to room temperature, make the polypropylene composite material pellet of filling with plastic breaker with modified gangue powder.The goods of the polypropylene composite material that the gained pellet is available compacting, extrude, the injecting method preparation is filled with modified gangue powder.
Embodiment 4
(1) processing of colliery powder at room temperature is 30% polydiolefin rubber ring oxidation water-based emulsion with epoxidation level, in contained dry rubber substance wherein, it in weight ratio 10: 100 ratio with colliery powder, spraying is scattered in the colliery powder surface of high-speed stirring, after treating that its blending dispersion evenly, under≤100 ℃, be dried to material moisture＜0.1%.
(2) Composite Preparation is put into two roller mills with polyethylene pellet, in temperature is under 160 ℃, behind the plasticizing bag roller, is 100: 30 by polyethylene and colliery powder weight ratio, will be the surface-treated colliery powder add in the high temperature plastifying polyethylene, continued mixing 7 minutes; After taking-up is cooled to room temperature, make the composite polyethylene material pellet of filling with plastic breaker with modified gangue powder.The goods of the composite polyethylene material that the gained pellet is available compacting, extrude, the injecting method preparation is filled with modified gangue powder.
Embodiment 5
(1) processing of colliery powder at room temperature is 35% polydiolefin rubber ring oxidation water-based emulsion with epoxidation level, in contained dry rubber substance wherein, it in weight ratio 15: 100 ratio with colliery powder, spraying is scattered in the colliery powder surface of high-speed stirring, after treating that its blending dispersion evenly, under≤100 ℃, be dried to material moisture＜0.1%.
(2) Composite Preparation is put into two roller mills with polypropylene granules, under 170 ℃ of temperature, behind the plasticizing bag roller, it is 100: 25 by polypropylene and colliery powder weight ratio, will be the surface-treated colliery powder add in the high temperature plastifying polypropylene, continued mixing 8 minutes; After taking-up is cooled to room temperature, make the polypropylene composite material pellet of filling with plastic breaker with modified gangue powder.The goods of the polypropylene composite material that the gained pellet is available compacting, extrude, the injecting method preparation is filled with modified gangue powder.
Embodiment 6
(1) processing of colliery powder at room temperature is 40% polydiolefin rubber ring oxidation water-based emulsion with epoxidation level, in contained dry rubber substance wherein, it in weight ratio 15: 100 ratio with colliery powder, spraying is scattered in the colliery powder surface of high-speed stirring, after treating that its blending dispersion evenly, under≤100 ℃, be dried to material moisture＜0.1%.
(2) Composite Preparation is 100: 30 with polyethylene pellet with surface-treated coal gangue by weight; after simply mixing; add in the twin screw extruder; at rotating speed is 120 rev/mins; temperature is a melt blending under 170～240 ℃ the condition; extrude bar, make with modified gangue powder filled polyethylene matrix material pellet with dicing machine.The goods of the composite polyethylene material that the gained pellet is available compacting, extrude, the injecting method preparation is filled with modified gangue powder.
Embodiment 7
(1) processing of colliery powder at room temperature is 30% polydiolefin rubber ring oxidation water-based emulsion with epoxidation level, in contained dry rubber substance wherein, it in weight ratio 20: 100 ratio with colliery powder, spraying is scattered in the colliery powder surface of high-speed stirring, after treating that its blending dispersion evenly, under≤100 ℃, be dried to material moisture＜0.1%.
(2) Composite Preparation is 100: 50 with polypropylene granules with surface-treated coal gangue by weight, after simply mixing, adding in the twin screw extruder, is 80 rev/mins at rotating speed, temperature is a melt blending under 170～240 ℃ the condition, makes masterbatch; Again this masterbatch and polypropylene are made into mixture by weight 1: 1 ratio, continue in twin screw extruder, under 170 ℃～240 ℃ of temperature, to extrude bar, make with modified gangue powder filling polypropylene composite material pellet with dicing machine.The goods of the polypropylene composite material that the gained pellet is available compacting, extrude, the injecting method preparation is filled with modified gangue powder.
Embodiment 8
(1) processing of colliery powder at room temperature is 40% polydiolefin rubber ring oxidation water-based emulsion with epoxidation level, in contained dry rubber substance wherein, it in weight ratio 15: 100 ratio with colliery powder, spraying is scattered in the colliery powder surface of high-speed stirring, after treating that its blending dispersion evenly, under≤100 ℃, be dried to material moisture＜0.1%.
(2) Composite Preparation adds polyethylene pellet in the rubber and plastic Banbury mixer, at rotating speed is 25～35 rev/mins, temperature is under 180 ℃, plastify after 5 minutes, by polyethylene and colliery powder weight ratio is 100: 80, will be the surface-treated colliery powder add in the high temperature plastifying polyethylene, continued mixing 8 minutes; After taking-up is cooled to room temperature, make masterbatch with plastic breaker; This masterbatch and polyethylene are made into mixture by weight 1: 1 ratio, under 170～210 ℃ of plasticating temperatures, extrude bar after mixing, make composite polyethylene material pellet with the modified gangue powder filling with dicing machine with twin screw extruder.The goods of the composite polyethylene material that the gained pellet is available compacting, extrude, the injecting method preparation is filled with modified gangue powder.
Claims (10)
1, a kind of composite polyolefine material of filling with modified gangue powder, it is characterized in that modified gangue powder and polyolefinic weight ratio are 10～70: 100, and containing the polydiolefin epoxidezed rubber in the modified gangue powder, the weight ratio of this rubber and colliery powder is 2～20: 100.
2, a kind of method for preparing the described composite polyolefine material of filling with modified gangue powder of claim 1 is characterized in that the processing step of this method and condition are as follows:
(1) under the colliery powder surface treatment room temperature polydiolefin rubber ring oxidation water-based emulsion spraying is distributed to the colliery powder surface of high-speed stirring;
(2) drying is dried to water content＜0.1% with surface treated colliery powder under≤100 ℃;
(3) polyolefinic high temperature plasticizing is put into rubber and plastic Banbury mixer or two roller mill with polyolefine, plastifies 3～5 minutes down for 160～240 ℃ in temperature;
(4) polyolefine and the high-temperature mixing of having handled colliery powder surface-treated colliery powder add in the high temperature plastifying polyolefine, 160～240 ℃ of temperature, and mixing 5～15 minutes;
(5) after granulation is reduced to room temperature with the material that mixes, pelletizing can or again with its as masterbatch further with the polyolefine mixing granulator, or directly with polyolefine and the surface-treated colliery powder put into twin screw extruder together, 70～130 rev/mins of rotating speeds, under 170～240 ℃ of the temperature, melt blending is extruded pelletizing.
3, the method for the preparation according to claim 2 composite polyolefine material of filling with modified gangue powder, the consumption that it is characterized in that polydiolefin rubber ring oxidation water-based emulsion, in wherein contained polydiolefin dry rubber substance, with the weight ratio of colliery powder be 2～20: 100.
4, the method for the composite polyolefine material of filling with modified gangue powder according to claim 2 or 3 described preparations is characterized in that the weight percent content of epoxidized polydienes hydrocarbon rubbers in the used polydiolefin rubber ring oxidation water-based emulsion is 20～40%.
5, the method for the composite polyolefine material of filling with modified gangue powder according to claim 2 or 3 described preparations is characterized in that the double bond epoxidation rate of the polydiolefin rubber of used polydiolefin rubber ring oxidation water-based emulsion is 15～50%.
6, preparation according to claim 4 is characterized in that with the method for the composite polyolefine material of modified gangue powder filling the double bond epoxidation rate of the polydiolefin rubber of used polydiolefin rubber ring oxidation water-based emulsion is 15～50%.
7, the method for the composite polyolefine material of filling with modified gangue powder according to claim 2 or 3 described preparations is characterized in that handling colliery powder and polyolefinic mixing weight ratio is 10～70: 100.
8, the method for the preparation according to claim 4 composite polyolefine material of filling with modified gangue powder is characterized in that handling colliery powder and polyolefinic mixing weight ratio is 10～70: 100.
9, the method for the preparation according to claim 5 composite polyolefine material of filling with modified gangue powder is characterized in that handling colliery powder and polyolefinic mixing weight ratio is 10～70: 100.
10, the method for the preparation according to claim 6 composite polyolefine material of filling with modified gangue powder is characterized in that handling colliery powder and polyolefinic mixing weight ratio is 10～70: 100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410081329 CN1280347C (en) | 2004-11-26 | 2004-11-26 | Polyolefin composite material filled with modified gangue powder and method for preparing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410081329 CN1280347C (en) | 2004-11-26 | 2004-11-26 | Polyolefin composite material filled with modified gangue powder and method for preparing same |
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| Publication Number | Publication Date |
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| CN1631956A true CN1631956A (en) | 2005-06-29 |
| CN1280347C CN1280347C (en) | 2006-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410081329 Expired - Fee Related CN1280347C (en) | 2004-11-26 | 2004-11-26 | Polyolefin composite material filled with modified gangue powder and method for preparing same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101456983B (en) * | 2009-01-05 | 2011-04-20 | 四川大学 | Method for filling coal slack powder into polyolefin composite material |
| CN101456984B (en) * | 2009-01-05 | 2011-04-20 | 四川大学 | Method for preparing polyethylene blown film filled with coal slack powder |
| CN101747585B (en) * | 2008-12-16 | 2011-07-20 | 宝山钢铁股份有限公司 | Method for preparing thermosetting plastic with coal gangue modified phenolic resin |
| CN110615928A (en) * | 2019-09-30 | 2019-12-27 | 北京工业大学 | Modified coal gangue powder filled polyolefin flame-retardant composite material and preparation process thereof |
| CN113045839A (en) * | 2021-03-02 | 2021-06-29 | 中国地质大学（北京） | Composite material for reinforcing thermoplastic polymer resin and preparation method thereof |
| CN113956682A (en) * | 2021-11-16 | 2022-01-21 | 太原理工大学 | Rubber reinforcing filler and method for preparing same by utilizing activation modification of coal gangue |
-
2004
- 2004-11-26 CN CN 200410081329 patent/CN1280347C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101747585B (en) * | 2008-12-16 | 2011-07-20 | 宝山钢铁股份有限公司 | Method for preparing thermosetting plastic with coal gangue modified phenolic resin |
| CN101456983B (en) * | 2009-01-05 | 2011-04-20 | 四川大学 | Method for filling coal slack powder into polyolefin composite material |
| CN101456984B (en) * | 2009-01-05 | 2011-04-20 | 四川大学 | Method for preparing polyethylene blown film filled with coal slack powder |
| CN110615928A (en) * | 2019-09-30 | 2019-12-27 | 北京工业大学 | Modified coal gangue powder filled polyolefin flame-retardant composite material and preparation process thereof |
| CN110615928B (en) * | 2019-09-30 | 2022-03-08 | 北京工业大学 | Modified coal gangue powder filled polyolefin flame-retardant composite material and preparation process thereof |
| CN113045839A (en) * | 2021-03-02 | 2021-06-29 | 中国地质大学（北京） | Composite material for reinforcing thermoplastic polymer resin and preparation method thereof |
| CN113045839B (en) * | 2021-03-02 | 2022-06-28 | 中国地质大学（北京） | Composite material for reinforcing thermoplastic polymer resin and preparation method thereof |
| CN113956682A (en) * | 2021-11-16 | 2022-01-21 | 太原理工大学 | Rubber reinforcing filler and method for preparing same by utilizing activation modification of coal gangue |
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| Publication number | Publication date |
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| CN1280347C (en) | 2006-10-18 |
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Address after: Institute of polymer science and engineering Sichuan University Sichuan city of Chengdu province moziqiao zip code: 610065 Co-patentee after: Guangdong Silverage Holdings Ltd. Patentee after: Sichuan University Address before: Institute of polymer science and engineering Sichuan University Sichuan city of Chengdu province moziqiao zip code: 610065 Co-patentee before: Guangdong Yinxi Science Technology Co., Ltd. Patentee before: Sichuan University |
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Granted publication date: 20061018 Termination date: 20111126 |