CN1394898A - Preparation method of alloy type red clay plastic building material - Google Patents
Preparation method of alloy type red clay plastic building material Download PDFInfo
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- CN1394898A CN1394898A CN 01120155 CN01120155A CN1394898A CN 1394898 A CN1394898 A CN 1394898A CN 01120155 CN01120155 CN 01120155 CN 01120155 A CN01120155 A CN 01120155A CN 1394898 A CN1394898 A CN 1394898A
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Abstract
The preparation method of alloy type red mud plastic building shaped material includes the following steps: using waste offscum red mud (RM) is aluminium plant, waste PVC powder, new PVC powder, activated CaCO3 micropowder and adjuvants of stabilizing agent, toughener and plasticizer, proportioning them, mixing, stirring, kneading in kneader at 95-115 deg.C, plasticizing, high-temp. homogenizing at 160-180 deg.c in conical twin screw extruder machine and extrusion moulding so as to obtain various shaped materials, such as oil pipe, gas pipe, water pipe and other building materials with excellent UV-resistance, ageing resistance, high strength.
Description
The present invention relates to a kind of compound method of industrial alloy type plastics architectural shape, relate in particular to a kind of compound method of alloy type red clay plastic building material.
In order to recycle much more more and more plastic refuses and alumina factory waste residue red soil (claiming red mud again, abbreviation RM), in the past, also the someone studies red soil mixed into and produces red clay plastic building material in the waste and old PVC material.This method is the red soil of 40% total amount directly to be mixed mediate mixingly among the useless PVC of 60% total amount into, and extrusion moulding is a sheet material then.The building board of producing with this method preparation is too firmly too crisp, cracky and not being durable.Its reason is that the red soil loading level is too many, makes original toughness poorer with regard to the toughness of the useless PVC of very poor hard.Its tensile strength, shock strength, flexural strength all drop to lower-most point, and the simply supported beam notched Izod impact strength of its goods connects 1Kg/m
2All do not reach.And do not add plasticized modifier in the prescription to recover, to improve its toughness.This too hard too crisp building materials do not have practical value, so method also is difficult to apply.
The objective of the invention is shortcoming and defect,, make red soil (RM) and useless PVC the auxiliary compound down alloy type red clay plastic architectural shape with practical value that becomes at various functional agents with the compound method of new alloying blending and modifying at aforesaid method.
General following technical scheme of purpose of the present invention and compound method and be achieved.
For this reason, the present invention adopts the technical scheme of alloying blending and modifying, transforms from the composition of raw materials to the manufacturing process comprehensively.Wherein, when making full use of the modification of red soil (RM) powder to the PVC plastic material, filling, stable and pigmentation, increased the plasticized modifier CPE (or FVA, MBS, ABC etc.) that can significantly improve shock strength, and added the activation CaCO of modification
3Rigid particles, modified glass-fiber etc. not only strengthen but also toughness reinforcing effect to reach.The special poly-blended solubilising modified alloy type polymkeric substance of forming with the optimum combination proportioning, form between its metal lattice particle and the plastic cement macromolecular chain and " intersects the alloy structure of interlocking, so this multicomponent alloy type red clay plastic building material has just possessed the excellent mechanical performances of the weathering resistance of ultraviolet light, resistant to thermal aging and uniqueness that simple PVC plastics are difficult to possess and high strength, high tenacity, shock-resistant, not embrittlement etc.
The compound method of alloy type red clay plastic architectural shape is as follows:
Red soil (RM) powder 18% (weight part)
Useless PVC plastic powder 20% (weight part)
New PVC plastic powder 25% (weight part)
Activation glass fibre 18% (weight part)
Activation CaCo
3Micro mist 13% (weight part)
Dioctyl phthalate (DOP) 1.5% (weight part)
Coupling modification agent 0.4% (weight part)
CPE 1.5% (weight part)
Tribasic lead sulfate 2.6% (weight part)
Above-mentioned material adds to carry out in the high speed kneader banburying (thick refining) after by the proportioning weighing under 95-110 ℃, the compound material behind the internal mixing and plasticizing is put into mill under 160-180 ℃, carry out homogenizing refining and directly extrusion moulding.
Used red soil is that alumina producer is produced aluminum oxide (Al with the bauxitic clay calcining in the batching
2O
3) the back waste residue that discharges, it contains many associated minerals slag of calcium aluminosilicate, sodium aluminium silicate and multiple oxide compound, because of it contains ferric oxide (Fe
2O
3) and take on a red color, so claim red soil (RM).Red soil has higher intensity and thermostability, has ultraviolet light and light shield effect especially.The present invention makes an addition to it in PVC plastic cement as weighting agent and properties-correcting agent, to improve anti-light aging, weathering resistance and resistance to compression, the tensile strength of product.Waste residue red soil (RM) is pulverized pulverize (its granularity 1250 orders-6250 order) after drying by the proportioning pan feeding.
Used activation CaCO in the batching
3Micro mist refers to the activation CaCO of silane coupling agent after to its surface modification
3Inorganic particulate, it can make the intensity and the toughness of red soil PVC plastic cement significantly improve.
Dioctyl phthalate (DOP) in the batching (DOP) is a secondary plasticizer, as adopt and DOTD (terephthalic acid-2-diethyl acetamidomalonate) plasticization effect not bad.CPE is a toughner, and tribasic lead sulfate is a tranquilizer.
Activation glass fibre in the batching is meant with silane coupling agent glass yarn after the activation treatment is carried out on its surface, its diameter 3-6 μ m, and its length is no more than 6mm.
Alloy type red clay plastic architectural shape with compound method production of the present invention.As section bars such as roof wave plate, street corner booth lamina tecti, sun-shading rainproof canopy and door, windows, has the weathering resistance of excellent ultraviolet light, resistant to thermal aging performance and extra-heavy.Its intensity height, good toughness, shock-resistant, not embrittlement, can be fire-retardant, to inhale noise, acid and alkali-resistance, life-span long; And in light weight, easy installation, cost is low, economic benefit is high.The invention solves recovery and the comprehensive utilization topic of waste Aluminum slag red soil and industrial waste PVC, will significantly reduce these waste dump occupations of land year by year and alleviate its pollution, its environmental protection, social benefit highly significant greatly environment.
Embodiment:
With 27.9Kg Zhengzhou alumina producer waste residue red soil (RM), the new PVC plastic powder of 38.75Kg, the 31Kg PVC powder that gives up, 27.9Kg
The activation glass fibre, 20kg activates CaCO
3Micro mist, the 2.33Kg dioctyl phthalate (DOP), the 4Kg tribasic lead sulfate,
2.32KgCPE 0.8Kg coupling modification agent is used marine products high speed kneader and was carried out banburying 5 minutes, thereupon under 105 ℃
Will be through banburying and the bulk material after plastifying is sent temperature to that to be extruded into 3mm at the exhaust twin screw extruder that is 180 ℃ thick
Waveform sheet material.
This waveform sheet material test-results is as follows:
Sample flame resistance test: remove behind the candle flame at once from horizontal blanking.
Falling-ball impact test: the heavy steel ball of 1Kg from the free-falling of 2m eminence, is impacted to pound in the middle of the thick waved plate of unsettled 3mm and locates not break.
Embrittlement temperature: below-50 ℃.
Oven test: 66 ℃ following 2 hours, the undaform no change.
Atmospheric exposure test: corrugated plate be full of cracks, penetrability hole, spot and powder phenomenon-tion do not occur after artificial accelerated aging test.
Claims (6)
1. the compound method of an alloy type red clay plastic architectural shape, it is red soil (RM), useless PVC plastic powder, new PVC plastic powder, activation glass fibre, activation CaCO
3Micro mist and auxiliary agent CPE, dioctyl phthalate (DOP), coupling modification agent and tribasic lead sulfate add into by certain proportioning and carry out banburying (thick refining) in the high speed kneader, then will be through banburying and the bulk material after plastifying is put into out and carried out homogenizing refining and directly extrusion moulding in the refining forcing machine.
2. the compound method of alloy type red clay plastic architectural shape according to claim 1 is characterized in that: each raw-material proportioning (by weight) is: red soil (RM) powder 18% (weight part); Useless PVC plastic powder 20% (weight part); New PVC plastic powder 25% (weight part); Activation glass fibre 18% (weight part); Activation CaCo
3Micro mist 13% (weight part); Dioctyl phthalate (DOP) 1.5% (weight part); Coupling modification agent 0.4% (weight part); CPE 1.5% (weight part); Tribasic lead sulfate 2.6% (weight part).
3. the compound method of alloy type red clay plastic architectural shape according to claim 1 is characterized in that various batchings are carried out the temperature of banburying in Banbury mixer be 95-110 ℃, and the banburying time is 4-5 minute, and the vapor pressure of banburying is about 0.6Mpa.
4. the compound method of alloy type red clay plastic architectural shape according to claim 1 is characterized in that through banburying and the compound bulk material after plastifying carries out homogenizing purified temperature in mill be 160-180 ℃.
5. according to the compound method of right 1 described alloy type red clay plastic architectural shape, it is characterized in that: the diameter of the activation glass fibre in the batching is 3-6 μ m, and its length is no more than 6mm, and its surface is carried out activation modification through silane coupling agent and handled.
6. according to the compound method of right 1 described alloy type red clay plastic architectural shape, it is characterized in that: the activation CaCO in the batching
3Micro mist is meant that granularity is the ultra-fine CaCO of 6250 orders (2 μ m)
3Powder, its surface carry out activation modification through silane coupling agent to be handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01120155 CN1394898A (en) | 2001-07-09 | 2001-07-09 | Preparation method of alloy type red clay plastic building material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01120155 CN1394898A (en) | 2001-07-09 | 2001-07-09 | Preparation method of alloy type red clay plastic building material |
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| CN1394898A true CN1394898A (en) | 2003-02-05 |
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| CN 01120155 Pending CN1394898A (en) | 2001-07-09 | 2001-07-09 | Preparation method of alloy type red clay plastic building material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102492234A (en) * | 2011-11-22 | 2012-06-13 | 中国铝业股份有限公司 | Production method of red mud complexed polyvinyl chloride colorized rigid plastic |
| CN102501331A (en) * | 2011-11-04 | 2012-06-20 | 北京化工大学 | Method for continuously preparing activated rubber powder |
-
2001
- 2001-07-09 CN CN 01120155 patent/CN1394898A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501331A (en) * | 2011-11-04 | 2012-06-20 | 北京化工大学 | Method for continuously preparing activated rubber powder |
| CN102492234A (en) * | 2011-11-22 | 2012-06-13 | 中国铝业股份有限公司 | Production method of red mud complexed polyvinyl chloride colorized rigid plastic |
| CN102492234B (en) * | 2011-11-22 | 2013-08-14 | 中国铝业股份有限公司 | Production method of red mud complexed polyvinyl chloride colorized rigid plastic |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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