CN106751255A - A kind of fluoroplastics enhancing composite and preparation method thereof - Google Patents
A kind of fluoroplastics enhancing composite and preparation method thereof Download PDFInfo
- Publication number
- CN106751255A CN106751255A CN201611140027.6A CN201611140027A CN106751255A CN 106751255 A CN106751255 A CN 106751255A CN 201611140027 A CN201611140027 A CN 201611140027A CN 106751255 A CN106751255 A CN 106751255A
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- fluoroplastics
- composite
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- basalt fibre
- activator
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
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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
- C08K9/02—Ingredients treated with inorganic substances
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses a kind of fluoroplastics enhancing composite and preparation method thereof, composite of the present invention is prepared from including following weight portion raw material：0.1 15.0 parts of basalt fibre, 85.0 99.5 parts of fluoroplastics, 13 parts of coupling agent, 10 25 parts of activator；Contain barium phosphate in described basalt fibre；Described activator is the mixed solution of hydrofluoric acid, cryolite and tetrabutyl ammonium fluoride；The composite property is excellent, is conducive to fluorine plastics combined material in the popularization and application of every field.
Description
Technical field
The present invention relates to fluorine plastics combined Material Field, and in particular to a kind of fluoroplastics strengthen composite and its preparation side
Method.
Background technology
Fluoroplastics are the alkane hydrocarbon polymers that part or all of hydrogen is replaced by fluorine, there is a polytetrafluoroethylene (PTFE), perfluoroethylene-propylene,
Soluble poly tetrafluoroethene, polytrifluorochloroethylene, Vingon, polyvinyl fluoride etc., fluoroplastics have excellent combination property,
But fluoroplastics need also exist for carrying out strengthening composite modified treatment, expand it and use scope.The fiber to fluoroplastics material increases now
It is strong modified main that treatment is modified using glass fiber material and carbon fibre material, modified effect significantly, but glass fibre with
Carbon fiber production cost is high, environmental pollution big, seriously limits the application of modified fluoroplastics material.
Basalt fibre is a kind of emerging novel inorganic environment-friendly and green high performance fibre material, is following China's emphasis
One of four big high-performance fibers of development, it is aoxidized by silica, aluminum oxide, calcium oxide, iron oxide and titanium dioxide etc.
The basalt building stones of thing composition are prepared from after high-temperature fusion by spinning technique.Basalt continuous fiber is not only stablized
Property is good, but also with various excellent properties such as electrical insulating property, anticorrosive, flame resistant, high temperature resistant, and, basalt fibre
The discarded object that production technology is produced is few, and environmental pollution is small, directly can be transferred in ecological environment after product abandonment, without any danger
Evil, thus be a kind of qualified green, environment-friendly materials.
Therefore, glass is substituted using nontoxic, pollution-free, wide material sources, excellent performance, the basalt fiber material stablized
Glass fiber and carbon fiber strengthen fluoroplastics material, and fluoroplastics enhancing composite is that fluoroplastics enhancing is multiple obtained from
The new direction of condensation material development.But because basalt fibre is inorganic material, and fluoroplastics are macromolecule organic material, Liang Zhexiang
Capacitive extreme difference, and basalt fibre self structure and stable performance, fiber surface is smooth, surface-active site is few, causes the Black Warrior
Rock fiber is more difficult to carry out chemical bonding with fluoroplastics material in modifying process and mechanical riveted, i.e. basalt fibre are moulded in fluorine
It is to be individually present in material material, to fluoroplastics Material reinforcement effect on driving birds is not good, fluoroplastics strengthen the poor-performing of composite.
The content of the invention
It is an object of the invention to overcome fluoroplastics to strengthen the defect of composite property difference, there is provided a kind of fluoroplastics enhancing
Composite and preparation method thereof；Present invention basalt fibre of the selection containing barium phosphate as reinforcing material, in coupling agent and
Be coupled with fluoroplastics in the presence of activator, it is bonded, compound, so as to obtain basalt fibre and fluoroplastics material compatibility
More preferable fluoroplastics Material cladding, basalt fibre more preferably, makes the composite property more excellent fluoroplastics humidification, has
Beneficial to fluorine plastics combined material every field popularization and application.
In order to realize foregoing invention purpose, the invention provides a kind of fluoroplastics enhancing composite, including following weight
Part raw material are prepared from：0.1-15.0 parts of basalt fibre, 85.0-99.5 parts of fluoroplastics, 1-3 parts of coupling agent, 10-
25 parts of activator.
A kind of above-mentioned fluoroplastics enhancing composite, wherein it is described including short basalt fiber, it is basalt long fiber, profound
One kind in military rock cellucotton.
Wherein, barium phosphate is contained in described basalt fibre；Contain phosphate radical, phosphate radical and organic group in barium phosphate
Bonding capability it is strong, the polarity of basalt fibre and organic material can be reduced, increase and organic material compatibility；Preferably,
Described basalt fibre contains the barium phosphate of mass percent 0.1-2.0%；Most preferably, described basalt fibre contains
The barium phosphate of mass percent 0.3-0.8%.
Wherein, described coupling agent is silane coupler.
Wherein, described activator is the mixed solution of hydrofluoric acid, cryolite and tetrabutyl ammonium fluoride；Described activation
The ratio between amount of material of hydrofluoric acid, cryolite and tetrabutyl ammonium fluoride is the ︰ 1 of 3 ︰ 2 in agent；The amount of the material of described hydrofluoric acid
Concentration is 0.1-0.5mol/L.
Described fluoroplastics include polytetrafluoroethylplastic plastic, and polyfluorinated ethylene plastic, pctfe plastic gathers inclined
Vinyl chloride plastic, one or more in polyvinyl fluoride plastics.
Wherein, the fluoroplastics enhancing composite, also including auxiliary agent；The auxiliary agent includes dispersant, antiseptic, anti-quiet
One or more in electric agent, fire retardant, age resister, UV resistant agent；The species of the auxiliary agent can strengthen according to fluoroplastics
Composite requires to carry out specific aim adjustment addition in different application field.
Preferably, the fluoroplastics enhancing composite, including following weight portion raw material is prepared from：5-10.0 parts
Basalt fibre 90.0-95.0 parts of fluoroplastics, 2-3 parts of coupling agent, 15-20 parts of activator.
A kind of fluoroplastics strengthen composite, and composite of the present invention is selected to contain and is easier bonded phosphorus with organic matrix
The basalt fibre of sour barium makes fluoroplastics material and basalt as reinforcing material, and in the presence of coupling agent and activator
Double bonded structures can be formed between fiber, bonded power is strong, is not likely to produce phase separation, so that basalt fibre and fluoroplastics material
Compatibility more preferably, basalt fiber is dramatically increased to the humidification of fluoroplastics, and the performance of resulting composite is also notable
Improve.
In order to realize foregoing invention purpose, further, the invention provides the system that a kind of fluoroplastics strengthen composite
Preparation Method, comprises the following steps：
（1）Pretreatment：Basalt fibre is carried out with activator to pre-process to obtain treated basalt fiber；
（2）It is compound：Treated basalt fiber, coupling agent and fluoroplastics material are carried out into Combined Processing, fluoroplastics enhancing is obtained multiple
Condensation material.
A kind of above-mentioned fluoroplastics strengthen the preparation method of composite, and the temperature pre-processed wherein in step 1 is 40-60
DEG C, temperature is higher, and reaction speed is faster, but control is more difficult, and temperature is lower, and reaction speed is slower, and reaction effect is poorer；It is preferred that
, pretreatment temperature is 45-55 DEG C.
A kind of above-mentioned fluoroplastics strengthen the preparation method of composite, and the time pre-processed wherein in step 1 is 20-
40min, process time is more long, and process time better to basalt fibre surface treatment effect but long causes to process transition,
Basalt fiber performance is remarkably decreased, and is unfavorable for being modified the enhancing of fluoroplastics；Preferably, described pretreatment time is 30-
35min。
A kind of above-mentioned fluoroplastics strengthen the preparation method of composite, and the wherein Combined Processing in step 2 refers to by work
Skill means are chemically bonded basalt fibre is pre-processed with fluoroplastics material, basalt fibre is formed with fluoroplastics material
Unified overall method.
A kind of fluoroplastics strengthen the preparation method of composite, and preparation method of the present invention is first with barium phosphate in certain condition
Lower principle that can be bonded with organic group, by the pretreatment of coupling agent and activator, increases basalt fibre surface-active,
Increase the compatibility with fluoroplastics, then by Combined Processing, basalt fibre is carried out composite strengthening with fluoroplastics and obtain performance
More excellent fluoroplastics enhancing composite, the inventive method is simple, convenient, and being adapted to fluoroplastics strengthens the industry of composite
Change, large-scale production.
Compared with prior art, beneficial effects of the present invention：
1st, present invention enhancing composite is selected and contains the basalt fibre conduct that bonded barium phosphate is easier with organic matrix
Reinforcing material, the compatibility with fluoroplastics is good, and bonded power is strong, is not susceptible to be separated, and enhancing of the basalt fiber to fluoroplastics is made
With dramatically increasing, the performance of composite is significantly improved.
2nd, present invention enhancing composite is directed to Sexual behavior mode coupling agent and activator, basalt fibre is formed with fluoroplastics
Double bonded structures, the power that be combined with each other between basalt fibre and fluoroplastics is stronger, and the performance of composite is more preferable.
3rd, preparation method of the present invention, by the pretreatment to basalt fibre, increases basalt fibre surface-active, with
The compatibility of fluoroplastics increases, and the humidification to fluorine plastics combined material increases.
Specific embodiment
With reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
For the scope of above-mentioned theme of the invention is only limitted to following embodiment, all technologies realized based on present invention belong to this
The scope of invention.
Embodiment 1
（1）Pretreatment：Hydrofluoric acid, fluoaluminic acid by the basalt fibre containing 0.3% barium phosphate of 5 weight portions with 15 weight portions
The mixed solution of sodium and tetrabutyl ammonium fluoride carries out pretreatment 30min at a temperature of 45 DEG C and obtains treated basalt fiber；
（2）It is compound：By the polytetrafluoroethylplastic plastic material of treated basalt fiber, the silane coupler of 2 weight portions and 95 weight portions
Material carries out Combined Processing, obtains polytetrafluoroethylplastic plastic enhancing composite.
Embodiment 2
（1）Pretreatment：Hydrofluoric acid, fluoaluminic acid by the basalt fibre containing 0.8% barium phosphate of 10 weight portions with 20 weight portions
The mixed solution of sodium and tetrabutyl ammonium fluoride carries out pretreatment 35min at a temperature of 55 DEG C and obtains treated basalt fiber；
（2）It is compound：By the polytetrafluoroethylplastic plastic material of treated basalt fiber, the silane coupler of 3 weight portions and 90 weight portions
Material carries out Combined Processing, obtains polytetrafluoroethylplastic plastic enhancing composite.
Embodiment 3
（1）Pretreatment：Hydrofluoric acid, fluoaluminic acid by the basalt fibre containing 2% barium phosphate of 0.1 weight portion with 10 weight portions
The mixed solution of sodium and tetrabutyl ammonium fluoride carries out pretreatment 20min at a temperature of 60 DEG C and obtains treated basalt fiber；
（2）It is compound：By the polytetrafluoroethylplastic plastic material of treated basalt fiber, the coupling agent of 2 weight portions and 99.5 weight portions
Combined Processing is carried out, polytetrafluoroethylplastic plastic enhancing composite is obtained.
Embodiment 4
（1）Pretreatment：Hydrofluoric acid, fluorine aluminium by the basalt fibre containing 0.1% barium phosphate of 15.0 weight portions with 25 weight portions
The mixed solution of sour sodium and tetrabutyl ammonium fluoride carries out pretreatment 40min at a temperature of 40 DEG C and obtains treated basalt fiber；
（2）It is compound：By the polytetrafluoroethylplastic plastic material of treated basalt fiber, the coupling agent of 3 weight portions and 85.0 weight portions
Combined Processing is carried out, polytetrafluoroethylplastic plastic enhancing composite is obtained.
Comparative example 1
（1）Pretreatment：By the basalt fibre of the 5 weight portions hydrofluoric acid of 15 weight portions, cryolite and tetrabutyl ammonium fluoride
Mixed solution carried out at a temperature of 45 DEG C pretreatment 30min obtain treated basalt fiber；
（2）It is compound：By the polytetrafluoroethylplastic plastic material of treated basalt fiber, the silane coupler of 2 weight portions and 95 weight portions
Material carries out Combined Processing, obtains polytetrafluoroethylplastic plastic enhancing composite.
Comparative example 2
By poly- the four of the basalt fibre containing 0.3% barium phosphate of 5 weight portions, the silane coupler of 2 weight portions and 95 weight portions
PVF plastic material carries out Combined Processing, obtains polytetrafluoroethylplastic plastic enhancing composite.
Comparative example 3
（1）Pretreatment：Hydrofluoric acid, fluoaluminic acid by the basalt fibre containing 0.3% barium phosphate of 20 weight portions with 15 weight portions
The mixed solution of sodium and tetrabutyl ammonium fluoride carries out pretreatment 30min at a temperature of 45 DEG C and obtains treated basalt fiber；
（2）It is compound：By the polytetrafluoroethylplastic plastic material of treated basalt fiber, the silane coupler of 2 weight portions and 95 weight portions
Material carries out Combined Processing, obtains polytetrafluoroethylplastic plastic enhancing composite.
Preparation-obtained polytetrafluoroethylplastic plastic enhancing composite in above-described embodiment 1-4 and comparative example 1-3 is entered
Row performance test experimental record experimental result, record data is as follows：（Polytetrafluoroethylplastic plastic：Tensile strength 28MPa, breach punching
Hit intensity 2.1kJ/m2, elongation at break 240%）
| Numbering | Fluoroplastics strengthen composite notch impact strength（kJ/m2） | Fluoroplastics strengthen composite tensile strength（MPa） | Fluoroplastics strengthen fracture of composite materials elongation（%） |
| Embodiment 1 | 5.9 | 62 | 176 |
| Embodiment 2 | 6.0 | 63 | 174 |
| Embodiment 3 | 5.5 | 61 | 162 |
| Embodiment 4 | 5.7 | 59 | 183 |
| Comparative example 1 | 4.2 | 43 | 146 |
| Comparative example 2 | 4.1 | 44 | 135 |
| Comparative example 3 | 7.2 | 76 | 82 |
Above-mentioned analysis of experimental data is understood, the polytetrafluoroethylene (PTFE) prepared using technical solution of the present invention in embodiment 1-4
Notch impact strength, the tensile strength of plastics enhancing composite are with being obviously improved, and elongation at break is big；And comparative example 1 is made
The basalt fibre used in Preparation Method does not contain barium phosphate, and fiber surface activity point position is few and active group is few after pretreatment,
It is poor with polytetrafluoroethylplastic plastic material compatibility, the chemical bonding ability with polytetrafluoroethylplastic plastic material, polytetrafluoroethylene (PTFE)
Plastics enhancing composite property is significantly reduced；Activator is not used in the preparation method of comparative example 2 to be pre-processed, it is impossible to profound
The barium phosphate of military rock fiber surface is activated, and the chemical bonding with polytetrafluoroethylplastic plastic material is less able, polytetrafluoroethyl-ne
Alkene plastics enhancing composite property is significantly reduced；Excessive basalt fibre is used in the preparation method of comparative example 3, although breach
Impact strength and tensile strength are more preferable, but elongation at break is significantly reduced, and can be applied to have particular/special requirement to composite
In the case of.
Claims (10)
1. a kind of fluoroplastics strengthen composite, it is characterised in that be prepared from including following weight portion raw material：0.1-15.0
The basalt fibre, 85.0-99.5 parts of fluoroplastics, 1-3 parts of coupling agent, 10-25 parts of activator of part；
Contain barium phosphate in described basalt fibre；Described activator is hydrofluoric acid, cryolite and tetrabutyl ammonium fluoride
Mixed solution.
2. composite according to claim 1, it is characterised in that described basalt fibre contains mass percent
The barium phosphate of 0.1-2.0%.
3. composite according to claim 2, it is characterised in that described basalt fibre contains mass percent
The barium phosphate of 0.3-0.8%.
4. composite according to claim 1, it is characterised in that hydrofluoric acid in described activator, cryolite and
The ratio between amount of material of tetrabutyl ammonium fluoride is the ︰ 1 of 3 ︰ 2.
5. composite according to claim 1, it is characterised in that the substance withdrawl syndrome of hydrofluoric acid in the activator
It is 0.1-0.5mol/L.
6. composite according to claim 1, it is characterised in that be prepared from including following weight portion raw material：5-
The fluoroplastics of basalt fibre 90.0-95.0 parts of 10.0 parts, 2-3 parts of coupling agent, 15-20 parts of activator.
7. the composite according to claim any one of 1-6, it is characterised in that also including auxiliary agent；The auxiliary agent includes
One or more in dispersant, antiseptic, antistatic additive, fire retardant, age resister, UV resistant agent.
8. a kind of fluoroplastics strengthen the preparation method of composite, it is characterised in that comprise the following steps：
（1）Pretreatment：Basalt fibre is carried out with activator to pre-process to obtain treated basalt fiber；
（2）It is compound：Treated basalt fiber, activator and fluoroplastics material are carried out into Combined Processing, fluoroplastics enhancing is obtained multiple
Condensation material.
9. preparation method according to claim 8, it is characterised in that the temperature pre-processed in step 1 is 40-60 DEG C, in advance
The time for the treatment of is 20-40min.
10. preparation method according to claim 8, it is characterised in that the temperature pre-processed in step 1 is 45-55 DEG C, in advance
The time for the treatment of is 30-35min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611140027.6A CN106751255A (en) | 2016-12-12 | 2016-12-12 | A kind of fluoroplastics enhancing composite and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611140027.6A CN106751255A (en) | 2016-12-12 | 2016-12-12 | A kind of fluoroplastics enhancing composite and preparation method thereof |
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| CN106751255A true CN106751255A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611140027.6A Pending CN106751255A (en) | 2016-12-12 | 2016-12-12 | A kind of fluoroplastics enhancing composite and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736113A (en) * | 2021-08-30 | 2021-12-03 | 安徽省众望科希盟科技有限公司 | Method for modifying polytetrafluoroethylene by using basalt chopped fibers |
| CN116855005A (en) * | 2023-02-22 | 2023-10-10 | 济南中科广源环保科技有限公司 | Agricultural plastic film and preparation process thereof |
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|---|---|---|---|---|
| CN1303736A (en) * | 2000-07-21 | 2001-07-18 | 中国科学院山西煤炭化学研究所 | Fibrous carbon-based adsorption material and its preparation method |
| CN103509298A (en) * | 2012-06-20 | 2014-01-15 | 中国科学院合肥物质科学研究院 | Fluoroplastic-based micro-nano composite wave-absorbing material and preparation method thereof |
| CN104692027A (en) * | 2015-03-04 | 2015-06-10 | 无锡宝通带业股份有限公司 | Preparation method of basalt fiber conveying belt |
| CN105385136A (en) * | 2015-11-03 | 2016-03-09 | 浙江理工大学 | Basalt fiber reinforced halogen-free flame-retardant polycarbonate composite and preparation method thereof |
-
2016
- 2016-12-12 CN CN201611140027.6A patent/CN106751255A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303736A (en) * | 2000-07-21 | 2001-07-18 | 中国科学院山西煤炭化学研究所 | Fibrous carbon-based adsorption material and its preparation method |
| CN103509298A (en) * | 2012-06-20 | 2014-01-15 | 中国科学院合肥物质科学研究院 | Fluoroplastic-based micro-nano composite wave-absorbing material and preparation method thereof |
| CN104692027A (en) * | 2015-03-04 | 2015-06-10 | 无锡宝通带业股份有限公司 | Preparation method of basalt fiber conveying belt |
| CN105385136A (en) * | 2015-11-03 | 2016-03-09 | 浙江理工大学 | Basalt fiber reinforced halogen-free flame-retardant polycarbonate composite and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113736113A (en) * | 2021-08-30 | 2021-12-03 | 安徽省众望科希盟科技有限公司 | Method for modifying polytetrafluoroethylene by using basalt chopped fibers |
| CN116855005A (en) * | 2023-02-22 | 2023-10-10 | 济南中科广源环保科技有限公司 | Agricultural plastic film and preparation process thereof |
| CN116855005B (en) * | 2023-02-22 | 2024-03-19 | 济南中科广源环保科技有限公司 | Agricultural plastic film and preparation process thereof |
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