CN109111599A - A kind of PVC fillers activated boron preparation method - Google Patents
A kind of PVC fillers activated boron preparation method Download PDFInfo
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- CN109111599A CN109111599A CN201810739943.4A CN201810739943A CN109111599A CN 109111599 A CN109111599 A CN 109111599A CN 201810739943 A CN201810739943 A CN 201810739943A CN 109111599 A CN109111599 A CN 109111599A
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- boron
- modified
- boron mud
- mesh
- pvc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K11/00—Use of ingredients of unknown constitution, e.g. undefined reaction products
- C08K11/005—Waste materials, e.g. treated or untreated sewage sludge
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
Abstract
The present invention provides a kind of PVC fillers activated borons, are mainly added 0.5% ~ 2% surface modifier by pre-processing by boron mud, mechanical grinding is carried out in dry method modification machine and is modified, 400 mesh of granularity active powder below is made.The present invention produces PVC active filler using boron mud, on the one hand realizes comprehensive utilization of waste, instead of inorganic fillers such as traditional calcium carbonate, bentonites, improves PVC product intensity, toughness, durability；On the other hand, the environmental pollution of boron mud heap bring and security risk are eliminated, solves the problems, such as that raw material plate knot, impurity are more in magnesium and boron mineral, activity is low, realizes the purpose of Mine Solid Wastes " minimizing, recycling, recycling ".
Description
Technical field
The present invention relates to solid waste in inorganic filler technical applications, in particular to a kind of PVC fillers active boron
The preparation method of mud.
Background technique
Boron mud is the industrial residue for producing the products such as boric acid, borax and generating, and is commonly called as " boron mud ".Every 1 ton of the production of average
Borax incidentally generates 3 ~ 4 tons of boron muds.Liaoning Province's boron mud heap reserves increase up to 20,000,000 tons, and with the speed for being often close on million tons.
Boron mud not only a large amount of land occupations, but also serious harm surrounding enviroment.Boron mud heap causes Soil Surrounding salinization of soil, and not even a blade of grass grows,
Atmosphere pollution is caused, water pollution seriously affects nearby residents life and health safety.It is administered as local government and enterprise's boron mud
With the pain spot of reparation.
Is limited to by boron mud and is directly filled, is had ignored for application study in boron mud filling macromolecular polymer in recent years both at home and abroad
The problems such as boron mud real current situation, long-term stockpiling, impurity mixing, serious, active low hardened weathering, the utilizing status of boron mud is simultaneously paid no attention to
Think.
Summary of the invention
The object of the present invention is to provide a kind of PVC fillers activated boron preparation method is planted, to solve in above-mentioned background technique
There are the problem of.
The technical scheme of the present invention is realized as follows:
A kind of PVC fillers activated boron adds 0.5% ~ 2% surface modifier mainly by boron mud raw material, in dry method modification machine into
Row mechanical grinding is modified, and 400 mesh of granularity activated boron below is made.
Preferably, the preparation method of the surface modifier, comprising the following steps:
I. by silane coupling agent KH570: ethyl alcohol: water is uniformly mixed according to mass fraction 2:7:1, is configured to mixed solution；
II. acetic acid will be added in step I mixed solution, obtains surface modifier.
Preferably, acetic acid is added in the step II and adjust mixed liquor PH=4 ~ 5, to accelerate the hydrolysis of coupling agent.
A kind of preparation method of PVC fillers activated boron, comprising the following steps:
(1) boron mud pre-processes, and hardened blocky boron mud is crushed, stone gravel and grass roots are screened out, by dewatered drying
Afterwards, pretreatment boron mud is obtained；
(2) step (1) is pre-processed into boron mud and step II surface modifier, be added in dry method modification machine, be uniformly mixed, obtain
Modified product；
(3) step (2) modified product is sieved by vibrating screen, respectively obtains+400 mesh modified products and -400 mesh is modified
Activated boron；
(4) (3)+400 mesh modified product of step return dry method modification machine is modified again；
(5) the modified boron mud of (3) -400 mesh of step is subjected to expansion drying 1h, deviates from moisture and ethyl alcohol, then carry out package, is closed
Lattice activated boron product.
Preferably, the usage amount of step (2) surface modifier is pre-process boron mud quality 0.5% ~ 2%.
Preferably, step (2) the mechanical activation grinding modification time is 10min ~ 30min, and surface carries out at normal temperature
It is modified.
Preferably, the drying temperature of step (5) expansion drying is 100 DEG C.
The invention has the benefit that
The present invention produces PVC active filler using boron mud, on the one hand realizes comprehensive utilization of waste, instead of traditional calcium carbonate, swollen
Moisten the inorganic fillers such as soil, improves PVC product intensity, toughness, durability；On the other hand, the bring environmental pollution of boron mud heap is eliminated
And security risk, it solves the problems, such as that raw material plate knot, impurity are more in magnesium and boron mineral, activity is low, it is useless to realize mine solid
The purpose of gurry " minimizing, recycling, recycling ".
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that implement describedly
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
A kind of PVC fillers activated boron is present embodiments provided, mainly by boron mud raw material, 0.5% surface modifier is added, dry
It is modified that mechanical grinding is carried out in method modifying machine, and 400 mesh of granularity activated boron below is made.
A kind of preparation method of PVC fillers activated boron, comprising the following steps:
(1) by silane coupling agent KH570: ethyl alcohol: water is uniformly mixed according to mass fraction 2:7:1, is configured to mixed solution, adds
Enter acetic acid, stir evenly, adjusts mixed liquor PH=4 ~ 5, obtain surface modifier；
(2) boron mud pre-processes, and hardened blocky boron mud is crushed, stone gravel and grass roots are screened out, by dewatered drying
Afterwards, pretreatment boron mud is obtained；
(3) step (2) are pre-processed into boron mud and step (1) surface modifier, the usage amount according to surface modifier is pretreatment
The 0.5% of boron mud quality is added in dry method modification machine, is uniformly mixed, and mechanical activation grinding modification time is 10min ~ 30min,
Surface is modified at normal temperature, obtains modified product；
(4) step (3) modified product is sieved by vibrating screen, respectively obtains+400 mesh modified products and -400 mesh is modified
Activated boron；
(5) (4)+400 mesh modified product of step return dry method modification machine is modified again；
(6) the modified boron mud of (4) -400 mesh of step is subjected to expansion drying 1h, drying temperature is 100 DEG C, carries out abjection moisture and second
Alcohol, then package is carried out, obtain qualified activated boron product.
Embodiment 2
A kind of PVC fillers activated boron is present embodiments provided, mainly by boron mud raw material, 1% surface modifier is added, in dry method
It is modified that mechanical grinding is carried out in modifying machine, and 400 mesh of granularity activated boron below is made.
A kind of preparation method of PVC fillers activated boron, comprising the following steps:
(1) by silane coupling agent KH570: ethyl alcohol: water is uniformly mixed according to mass fraction 2:7:1, is configured to mixed solution, adds
Enter acetic acid, stir evenly, adjusts mixed liquor PH=4 ~ 5, obtain surface modifier；
(2) boron mud pre-processes, and hardened blocky boron mud is crushed, stone gravel and grass roots are screened out, by dewatered drying
Afterwards, pretreatment boron mud is obtained；
(3) step (2) are pre-processed into boron mud and step (1) surface modifier, the usage amount according to surface modifier is pretreatment
The 1% of boron mud quality is added in dry method modification machine, is uniformly mixed, and mechanical activation grinding modification time is 10min ~ 30min,
Room temperature lower surface is modified, and obtains modified product；
(4) step (3) modified product is sieved by vibrating screen, respectively obtains+400 mesh modified products and -400 mesh is modified
Activated boron；
(5) (4)+400 mesh modified product of step return dry method modification machine is modified again；
(6) the modified boron mud of (4) -400 mesh of step is subjected to expansion drying 1h, drying temperature is 100 DEG C, carries out abjection moisture and second
Alcohol, then package is carried out, obtain qualified activated boron product.
Embodiment 3
A kind of PVC fillers activated boron is present embodiments provided, mainly by boron mud raw material, 2% surface modifier is added, in dry method
It is modified that mechanical grinding is carried out in modifying machine, and 400 mesh of granularity activated boron below is made.
A kind of preparation method of PVC fillers activated boron, comprising the following steps:
(1) by silane coupling agent KH570: ethyl alcohol: water is uniformly mixed according to mass fraction 2:7:1, is configured to mixed solution, adds
Enter acetic acid, stir evenly, adjusts mixed liquor PH=4 ~ 5, obtain surface modifier；
(2) boron mud pre-processes, and hardened blocky boron mud is crushed, stone gravel and grass roots are screened out, by dewatered drying
Afterwards, pretreatment boron mud is obtained；
(3) step (2) are pre-processed into boron mud and step (1) surface modifier, the usage amount according to surface modifier is pretreatment
The 2% of boron mud quality is added in dry method modification machine, is uniformly mixed, and mechanical activation grinding modification time is 10min ~ 30min,
Room temperature lower surface is modified, and obtains modified product；
(4) step (3) modified product is sieved by vibrating screen, respectively obtains+400 mesh modified products and -400 mesh is modified
Activated boron；
(5) (4)+400 mesh modified product of step return dry method modification machine is modified again；
(6) the modified boron mud of (4) -400 mesh of step is subjected to expansion drying 1h, drying temperature is 100 DEG C, carries out abjection moisture and second
Alcohol, then package is carried out, obtain qualified activated boron product.
PVC fillers activated boron made from above-described embodiment 1-3 is applied in PVC board, by 100 parts of PVC plastic particle,
30 parts of PVC fillers activated boron, other auxiliary agents are added, is kneaded on double roll mill and composite material is made, pass through compression molding
Machine pressing plate cuts out sample, and sheet specimens are made, and sample is carried out Mechanics Performance Testing, PVC by filling activated boron, tensile strength and
Impact strength all obtains different degrees of raising, and testing result is as follows:
| Project | Tensile strength/MPa | Impact strength/kJ/m2 |
| Blank sample | 30MPa | 5 |
| Embodiment 1 | 33.65 | 5.6 |
| Embodiment 2 | 36.16 | 5.9 |
| Embodiment 3 | 32.88 | 5.5 |
As upper table testing result it is found that activated boron made from example 1-3, is filled in PVC, the tension of PVC can be significantly improved
Intensity and impact resistant strength illustrate the powder stuffing for being used for PVC plastic for activated boron with waste resource boric sludge, Neng Gouqi
Tough effect is mended to enhancing.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of PVC fillers activated boron adds 0.5% ~ 2% surface modifier, in dry method modification machine mainly by boron mud raw material
It is modified to carry out mechanical grinding, 400 mesh of granularity activated boron below is made.
2. PVC fillers activated boron according to claim 1, which is characterized in that the preparation method of the surface modifier,
The following steps are included:
I. by silane coupling agent KH570: ethyl alcohol: water is uniformly mixed according to mass fraction 2:7:1, is configured to mixed solution；
II. acetic acid will be added in step I mixed solution, obtains surface modifier.
3. PVC fillers activated boron according to claim 1, which is characterized in that add acetic acid in the step II and adjust
Mixed liquor PH=4 ~ 5, to accelerate the hydrolysis of coupling agent.
4. a kind of preparation method of PVC fillers activated boron, comprising the following steps:
(1) boron mud pre-processes, and hardened blocky boron mud is crushed, stone gravel and grass roots are screened out, by dewatered drying
Afterwards, pretreatment boron mud is obtained；
(2) step (1) is pre-processed into boron mud and step II surface modifier, be added in dry method modification machine, be uniformly mixed, obtain
Modified product；
(3) step (2) modified product is sieved by vibrating screen, respectively obtains+400 mesh modified products and -400 mesh is modified
Activated boron；
(4) (3)+400 mesh modified product of step return dry method modification machine is modified again；
(5) the modified boron mud of (3) -400 mesh of step is subjected to expansion drying 1h, deviates from moisture and ethyl alcohol, then carry out package, is closed
Lattice activated boron product.
5. the preparation method of PVC fillers activated boron according to claim 4, which is characterized in that step (2) surface
The usage amount of modifying agent is pre-process boron mud quality 0.5% ~ 2%.
6. the preparation method of PVC fillers activated boron according to claim 4, which is characterized in that the step (2) is mechanical
Activation grinding modification time is 10min ~ 30min, and surface is modified at normal temperature.
7. the preparation method of PVC fillers activated boron according to claim 4, which is characterized in that step (5) flash distillation
Dry drying temperature is 100 DEG C.
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| CN201810739943.4A CN109111599A (en) | 2018-07-07 | 2018-07-07 | A kind of PVC fillers activated boron preparation method |
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| CN201810739943.4A CN109111599A (en) | 2018-07-07 | 2018-07-07 | A kind of PVC fillers activated boron preparation method |
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Citations (5)
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|---|---|---|---|---|
| CN101131003A (en) * | 2007-08-03 | 2008-02-27 | 大连理工大学 | Method for producing light porous heat-insulating brick using boric sludge |
| CN103923379A (en) * | 2013-01-14 | 2014-07-16 | 中国地质大学（北京） | Method for preparing fire retardation polymer composite material by using boron mud |
| CN107987375A (en) * | 2017-11-06 | 2018-05-04 | 武汉金发科技有限公司 | A kind of PP composite material and preparation method thereof |
| CN108793908A (en) * | 2018-07-07 | 2018-11-13 | 大连地拓环境科技有限公司 | A kind of boron mud filling in mine material and preparation method thereof |
| CN109761633A (en) * | 2019-03-09 | 2019-05-17 | 大连地拓环境科技有限公司 | A kind of unburned boron mud PVC haydite and preparation method thereof |
-
2018
- 2018-07-07 CN CN201810739943.4A patent/CN109111599A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131003A (en) * | 2007-08-03 | 2008-02-27 | 大连理工大学 | Method for producing light porous heat-insulating brick using boric sludge |
| CN103923379A (en) * | 2013-01-14 | 2014-07-16 | 中国地质大学（北京） | Method for preparing fire retardation polymer composite material by using boron mud |
| CN107987375A (en) * | 2017-11-06 | 2018-05-04 | 武汉金发科技有限公司 | A kind of PP composite material and preparation method thereof |
| CN108793908A (en) * | 2018-07-07 | 2018-11-13 | 大连地拓环境科技有限公司 | A kind of boron mud filling in mine material and preparation method thereof |
| CN109761633A (en) * | 2019-03-09 | 2019-05-17 | 大连地拓环境科技有限公司 | A kind of unburned boron mud PVC haydite and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 仲维娜，等: "硼泥、铝灰制备的环保阻燃剂在丁苯橡胶中的应用研究", 《沈阳化工大学学报》, vol. 26, no. 2, pages 136 - 138 * |
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