CN107312201B - A kind of dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement and preparation method thereof - Google Patents
A kind of dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of dedicated basalt fibres of polybutylene terephthalate (PBT) Material reinforcement and preparation method thereof, basalt fibre of the present invention is by obtained from the processing in process of production of special size, the size includes following parts by weight of component: 40-60 parts of film forming agent, 5-15 parts of coupling agent, 1-5 part lubricant, 10-20 parts of modifying agent, 30-50 parts of solvent；Modifying agent includes that mass ratio is 2-4 ︰ 1-3 ︰ 4-6 hypophosphites, highly basic, maleate；The basalt fibre is since surface roughness is big and is grafted with a large amount of active groups, chemical bonding and mechanical riveted ability between basalt fibre and polybutylene terephthalate (PBT) material is strong, the compatibility of the basalt fibre and polybutylene terephthalate (PBT) material is good, largely can add and apply in polybutylene terephthalate (PBT) material.
Description
Technical field
The present invention relates to basalt fibre fields, and in particular to a kind of polybutylene terephthalate (PBT) Material reinforcement is dedicated
Basalt fibre and preparation method thereof.
Background technique
Basalt fibre is a kind of emerging novel inorganic environment-friendly and green high performance fibre material, is following China's emphasis
One of the four big high-performance fibers of development, it is aoxidized by silica, aluminium oxide, calcium oxide, iron oxide and titanium dioxide etc.
The basalt building stones of object composition are prepared after high-temperature fusion by spinning technique.Basalt continuous fiber is not only stable
Property it is good, but also there are a variety of excellent properties such as electrical insulating property, anticorrosive, flame resistant, high temperature resistant, moreover, basalt fibre
The waste that production technology generates is few, and environmental pollution is small, can directly be transferred in ecological environment after product abandonment, without any danger
Evil, thus be the qualified green of one kind, environment-friendly materials.Basalt continuous fiber is in fibre reinforced composites, friction
The many aspects such as material, shipbuilding materials, heat-barrier material, automobile industry, high temperature filtration fabric and protection field have obtained extensively
Application.
Polybutylene terephthalate (PBT) (abbreviation PBT) also known as polytetramethylene terephthalate are by benzene two
Polyester made of formic acid and 1,4-butanediol polycondensation.Most important thermoplastic polyester, one of five large-engineering plastics have heat resistance
The advantages that good, good toughness, endurance, self-lubricating, low-friction coefficient；But since ester group is active in polybutylene terephthalate (PBT)
Property it is good, cause polybutylene terephthalate (PBT) material to exist intolerant to strong acid, highly basic, flammable, the defect decomposed under high temperature, because
This, does not use pure polybutylene terephthalate (PBT) material more when in use, and polybutylene terephthalate (PBT) material needs
It just can be carried out application after carrying out the composite modified processing of the enhancing such as fire-retardant, corrosion-resistant, high temperature resistant.Now to poly terephthalic acid fourth two
The fiber-reinforced modified main use glass fiber material of alcohol ester material is modified processing, and modified effect is significant, but glass fibers
Dimension high production cost, environmental pollution are big, seriously limit the application of compound polybutylene terephthalate (PBT) material, develop one kind
New fiber materials that are low in cost, environmentally protective, haveing excellent performance substitute glass fibre to polybutylene terephthalate (PBT) material
The problem of material is modified processing is badly in need of being resolved.Therefore, it is possible to, it is envisioned that by nontoxic, pollution-free, from a wealth of sources, performance is excellent
The enhancing that basalt fibre that is different, having stablized is used for polybutylene terephthalate (PBT) material will improve to gather to benzene two from now on
The new trend of formic acid butanediol ester material property.But since existing basalt fibre self structure and performance are stablized, fiber surface
It is smooth, surface-active site is few, cause basalt fibre to be difficult in modifying process and polybutylene terephthalate (PBT) material
Chemical bonding and mechanical riveted form unified, stable entirety, i.e., basalt fibre is in polybutylene terephthalate (PBT) material
It is to be individually present in material, relatively weak to the modification humidification of polybutylene terephthalate (PBT) material, reinforcing effect is not very
Ideal, basalt fibre additive amount are few.
Summary of the invention
It is an object of the invention to overcome existing basalt fibre and polybutylene terephthalate (PBT) material compatibility poor
Defect, a kind of dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement and preparation method thereof is provided；The present invention
Basalt fibre is by obtained from the processing in process of production of special size, the basalt fibre is due to rough surface
Degree is big and is grafted with a large amount of active groups, chemical bonding between basalt fibre and polybutylene terephthalate (PBT) material and
Mechanical riveted ability is strong, and the compatibility of the basalt fibre and polybutylene terephthalate (PBT) material is good, can be poly- to benzene two
It largely adds and applies in formic acid butanediol ester material.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of polybutylene terephthalate (PBT) Material reinforcement is dedicated
The preparation method of basalt fibre, comprising the following steps:
(1) basalt ore is subjected to pulverization process, obtains basalt ore powder；
(2) step 1 is obtained into powder heating, melting forms spinning melt；
(3) the spinning melt for obtaining step 2 carries out wire drawing, obtains basalt fibre precursor；
(4) the basalt fibre precursor for obtaining step 3 carries out infiltration modification with size；
(5) precursor by infiltration modification for obtaining step 4, which move back, solves and twists, and obtains poly terephthalic acid
The dedicated basalt fibre of butanediol ester Material reinforcement.
The preparation method of above-mentioned a kind of dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement, in step 4
The size includes following parts by weight of component: 40-60 parts of film forming agent, 5-15 parts of coupling agent, 1-5 part lubricant, 10-20
The modifying agent, 30-50 parts of solvent of part；The size quickly can carry out burn into activation to basalt fibre surface, be formed thick
Rough surface, and a large amount of active groups are grafted, to improve between basalt fibre and polybutylene terephthalate (PBT) material
Chemical bonding and mechanical riveted ability, improve the compatibility of basalt fibre and polybutylene terephthalate (PBT) material；It is described
Mechanical riveted refer to the frictional engagement that basis material is generated by the fiber that shrinkage stress packs tightly rough surface.
Above-mentioned size, wherein the modifying agent includes time strong alkali ︰ maleate of phosphorus acid salt ︰ 2-4 ︰ in mass ratio
The mixture that 1-3 ︰ 4-6 is mixed；Preferably, the modifying agent includes Ci Lin Suan Yan ︰ Qiang Jian ︰ maleate by matter
Measure the mixture mixed than 3 ︰, 2 ︰ 5.
Above-mentioned size, wherein the hypophosphites be dimethyl hypophosphites, ethylmethylphosphiniacid acid salt, methyl just
Propyl hypophosphites, dimethylamino methane base hypophosphites, benzene-Isosorbide-5-Nitrae-dimethyl hypophosphites, aminomethyl phenyl hypophosphites or hexichol
Base hypophosphites it is one or more；Wherein the highly basic is one or both of sodium hydroxide, potassium hydroxide；Wherein institute
The maleate stated is one or both of maleic acid sodium, maleic acid potassium；Wherein the film forming agent is
Polyacrylate dispersion；Wherein the coupling agent is the modified silane containing groups one or more in ester group, alkyl, carboxyl
Coupling agent；Wherein the lubricant is one of methyl stearate and zinc stearate.
Above-mentioned size, wherein the solvent is the aqueous solution of ethyl alcohol；The volume ratio of ethyl alcohol and water is in the solvent
1-3 ︰ 1；Preferably, the volume ratio of ethyl alcohol and water is 2 ︰ 1 in the aqueous solution of ethyl alcohol.
A kind of preparation method of the dedicated basalt fiber material of polybutylene terephthalate (PBT) Material reinforcement, side of the present invention
Method handles intermediate product basalt fibre precursor obtained in production process with the size of special component, makes fiber table
Surface roughness increases and is grafted a large amount of active groups, facilitates polybutylene terephthalate (PBT) material on basalt fibre surface
Chemical bonding and mechanical riveted are carried out, to directly obtain and the good Black Warrior of polybutylene terephthalate (PBT) material compatibility
Rock fiber；The basalt fibre largely can be added and be applied in polybutylene terephthalate (PBT) material.
A kind of preparation method of above-mentioned dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement, wherein step
Basalt ore diameter of particle described in 1 is 0.1-2mm, and partial size is smaller, and speed is faster when heating melting, is consumed energy lower, but
It is preferred to crush increased costs, the basalt ore diameter of particle is 0.5-1mm.
A kind of preparation method of above-mentioned dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement, wherein step
Melting temperature described in 2 is 1100-1500 DEG C, and temperature is too low, and melting speed is slow, and time-consuming, and energy consumption is high, and temperature is excessively high, right
Equipment requirement is high, and equipment cost increases；Preferably, the melting temperature is 1250-1350 DEG C.
A kind of preparation method of above-mentioned dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement, wherein step
The speed of wire drawing described in 3 is 1500-3000m/min, and drawing speed is too fast, and tensile stress is excessive, will cause fibrous fracture；
Drawing speed is excessively slow, and obtained basalt fibre is relatively large in diameter, and is unfavorable for the application of basalt fibre.
A kind of preparation method of above-mentioned dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement, wherein step
For basalt fibre precursor diameter control described in 3 at 2-50 μm, precursor diameter is excessive, cooling slow, causes external carbuncle in fiber
Not only, fiber defect is big, is unfavorable for practical application, and precursor diameter is too small, and drawing process operating difficulties is easily broken off for distribution；It is excellent
Choosing, the basalt fibre precursor diameter control is at 4-15 μm.
A kind of preparation method of above-mentioned dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement, wherein step
Size temperature described in 4 is controlled at 50-80 DEG C, and temperature is higher, and reaction speed is faster, and treatment effect is better, but temperature mistake
Height, surface treatment extent control is difficult, unstable product quality；Preferably, the size temperature is controlled at 60-70 DEG C.
In order to achieve the above-mentioned object of the invention, further, the present invention provides a kind of polybutylene terephthalate (PBT) materials
Material enhances dedicated basalt fibre, and the dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement is by above-mentioned
What preparation method was prepared；The obtained polybutylene terephthalate (PBT) Material reinforcement prepared by above-mentioned preparation method is special
With basalt fibre, surface roughness is big and is grafted with a large amount of active groups, basalt fibre and polybutylene terephthalate
Chemical bonding and mechanical riveted ability between ester material is strong, energy good with the compatibility of polybutylene terephthalate (PBT) material
It largely adds and applies in polybutylene terephthalate (PBT) material.
Compared with prior art, beneficial effects of the present invention:
1, the preparation method of the dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement of the present invention, utilizes infiltration
Agent carries out quick modification to basalt fibre precursor, increases fiber surface roughness and is grafted a large amount of active groups, has
Help polybutylene terephthalate (PBT) material and carry out chemical bonding and mechanical riveted on basalt fibre surface, improves the Black Warrior
The compatibility of rock fiber and polybutylene terephthalate (PBT) material.
2, the preparation method of the dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement of the present invention, directlys adopt
Size is modified processing to fiber precursor, and the production of fiber and modification are combined into one, production stage is simplified, and saves
Production cost shortens the production cycle.
3, the dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement of the present invention, surface roughness is big and is grafted
There are a large amount of active groups, chemical bonding and mechanical riveted energy between basalt fibre and polybutylene terephthalate (PBT) material
Power is strong, good with the compatibility of polybutylene terephthalate (PBT) material, can be a large amount of in polybutylene terephthalate (PBT) material
Addition and application.
Specific embodiment
Below with reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
It is all that this is belonged to based on the technology that the content of present invention is realized for the scope of the above subject matter of the present invention is limited to the following embodiments
The range of invention.
Embodiment 1
(1) basalt ore is subjected to pulverization process, obtains the basalt ore powder that partial size is 0.5mm；
(2) step 1 is obtained into powder heating, is melted at a temperature of 1250 DEG C, form spinning melt；
(3) the spinning melt for obtaining step 2 carries out wire drawing under the speed of 2000m/min, and obtaining diameter is 15 μm
Basalt fibre precursor；
(4) the basalt fibre precursor that step 3 obtains is subjected to infiltration processing in the size that temperature is 60 DEG C；Infiltration
Agent composition are as follows: 15 parts by weight contain 2 ︰ 5 of dimethyl Ci Lin Suan Na ︰ Qing Yangization Na ︰ maleic acid sodium 3 ︰ in mass ratio mixing and
At modifying agent, the polyacrylate dispersion of 50 parts by weight, the ethyl alcohol of 20 parts by weight, the water of 20 parts by weight, 10 parts by weight silicon
The methyl stearate of alkane coupling agent and 3 parts by weight；
(5) precursor by infiltration processing for obtaining step 4, which move back, solves and twists, and obtains poly terephthalic acid fourth two
The dedicated basalt fibre of alcohol ester Material reinforcement.
Embodiment 2
(1) basalt ore is subjected to pulverization process, obtains the basalt ore powder that partial size is 1.0mm；
(2) step 1 is obtained into powder heating, is melted at a temperature of 1350 DEG C, form spinning melt；
(3) the spinning melt for obtaining step 2 carries out wire drawing under the speed of 2500m/min, and obtaining diameter is 4 μm profound
Military rock fiber precursor；
(4) the basalt fibre precursor that step 3 obtains is subjected to infiltration processing in the size that temperature is 70 DEG C；Infiltration
Agent composition are as follows: 10 parts by weight contain benzene-Isosorbide-5-Nitrae -3 ︰ 6 of dimethyl hypophosphorous acid Jia ︰ Qing Yangization Jia ︰ maleic acid potassium 4 ︰ in mass ratio
The polyacrylate dispersion of the modifying agent, 60 parts by weight that mix, the ethyl alcohol of 20 parts by weight, the water of 20 parts by weight, 15 weight
The silane coupling agent of part and the zinc stearate of 1 parts by weight；
(5) precursor by infiltration processing for obtaining step 4, which move back, solves and twists, and obtains poly terephthalic acid fourth two
The dedicated basalt fibre of alcohol ester Material reinforcement.
Embodiment 3
(1) basalt ore is subjected to pulverization process, obtains the basalt ore powder that partial size is 0.1mm；
(2) step 1 is obtained into powder heating, is melted at a temperature of 1100 DEG C, form spinning melt；
(3) the spinning melt for obtaining step 2 carries out wire drawing under the speed of 3000m/min, and obtaining diameter is 2 μm profound
Military rock fiber precursor；
(4) the basalt fibre precursor that step 3 obtains is subjected to infiltration processing in the size that temperature is 80 DEG C；Infiltration
Agent composition are as follows: 20 parts by weight contain 1 ︰ 4 of ethylmethylphosphiniacid acid Na ︰ Qing Yangization Na ︰ maleic acid potassium 2 ︰ in mass ratio mixing
Made of modifying agent, the polyacrylate dispersion of 40 parts by weight, the ethyl alcohol of 30 parts by weight, the water of 20 parts by weight, 5 parts by weight silicon
The methyl stearate of alkane coupling agent and 5 parts by weight；
(5) precursor by infiltration processing for obtaining step 4, which move back, solves and twists, and obtains poly terephthalic acid fourth two
The dedicated basalt fibre of alcohol ester Material reinforcement.
Embodiment 4
(1) basalt ore is subjected to pulverization process, obtains the basalt ore powder that partial size is 2mm；
(2) step 1 is obtained into powder heating, is melted at a temperature of 1500 DEG C, form spinning melt；
(3) the spinning melt for obtaining step 2 carries out wire drawing under the speed of 1500m/min, and obtaining diameter is 50 μm
Basalt fibre precursor；
(4) the basalt fibre precursor that step 3 obtains is subjected to infiltration processing in the size that temperature is 50 DEG C；Infiltration
Agent composition are as follows: 10 parts by weight contain 1 ︰ 6 of aminomethyl phenyl Ci Lin Suan Na ︰ Qing Yangization Jia ︰ maleic acid potassium 2 ︰ in mass ratio mixing
Made of modifying agent, the polyacrylate dispersion of 40 parts by weight, the ethyl alcohol of 20 parts by weight, the water of 10 parts by weight, 5 parts by weight silicon
The zinc stearate of alkane coupling agent and 5 parts by weight；
(5) precursor by infiltration processing for obtaining step 4, which move back, solves and twists, and obtains poly terephthalic acid fourth two
The dedicated basalt fibre of alcohol ester Material reinforcement.
Comparative example 1
(1) basalt ore is subjected to pulverization process, obtains the basalt ore powder that partial size is 0.5mm；
(2) step 1 is obtained into powder heating, is melted at a temperature of 1250 DEG C, form spinning melt；
(3) the spinning melt for obtaining step 2 carries out wire drawing under the speed of 2000m/min, and obtaining diameter is 4 μm profound
Military rock fiber precursor；
(4) the basalt fibre precursor that step 3 obtains is subjected to infiltration processing in the size that temperature is 60 DEG C；Infiltration
Agent composition are as follows: the polyacrylate dispersion of 50 parts by weight, the ethyl alcohol of 20 parts by weight, the water of 20 parts by weight, 10 parts by weight silane
The methyl stearate of coupling agent and 3 parts by weight；
(5) precursor by infiltration processing for obtaining step 4, which move back, solves and twists, and obtains basalt fibre.
Comparative example 2
(1) basalt ore is subjected to pulverization process, obtains the basalt ore powder that partial size is 0.5mm；
(2) step 1 is obtained into powder heating, is melted at a temperature of 1250 DEG C, form spinning melt；
(3) the spinning melt for obtaining step 2 carries out wire drawing under the speed of 2000m/min, and obtaining diameter is 4 μm profound
Military rock fiber precursor；
(4) the basalt fibre precursor that step 3 obtains is subjected to infiltration processing in the size that temperature is 60 DEG C；Infiltration
Agent composition are as follows: 15 parts by weight contain 5 ︰ 5 of dimethyl Ci Lin Suan Na ︰ Qing Yangization Na ︰ maleic acid sodium 3 ︰ in mass ratio mixing and
At modifying agent, the polyacrylate dispersion of 50 parts by weight, the ethyl alcohol of 20 parts by weight, the water of 20 parts by weight, 10 parts by weight silicon
The methyl stearate of alkane coupling agent and 3 parts by weight；
(5) precursor by infiltration processing for obtaining step 4, which move back, solves and twists, and obtains poly terephthalic acid fourth two
The dedicated basalt fibre of alcohol ester Material reinforcement.
Comparative example 3
(1) basalt ore is subjected to pulverization process, obtains the basalt ore powder that partial size is 0.5mm；
(2) step 1 is obtained into powder heating, is melted at a temperature of 1250 DEG C, form spinning melt；
(3) the spinning melt for obtaining step 2 carries out wire drawing under the speed of 2000m/min, and obtaining diameter is 4 μm profound
Military rock fiber precursor；
(4) the basalt fibre precursor that step 3 obtains is subjected to infiltration processing in the size that temperature is 60 DEG C；Infiltration
Agent composition are as follows: 15 parts by weight contain 2 ︰ 5 of dimethyl Ci Lin Suan Na ︰ Qing Yangization Na ︰ maleic acid sodium 5 ︰ in mass ratio mixing and
At modifying agent, the polyacrylate dispersion of 50 parts by weight, the ethyl alcohol of 20 parts by weight, the water of 20 parts by weight, 10 parts by weight silicon
The methyl stearate of alkane coupling agent and 3 parts by weight；
(5) precursor by infiltration processing for obtaining step 4, which move back, solves and twists, and obtains poly terephthalic acid fourth two
The dedicated basalt fibre of alcohol ester Material reinforcement.
Preparation-obtained basalt fibre in above-described embodiment 1-4 and comparative example 1-3 is tested for the property and is gathered pair
Benzene dicarboxylic acid butanediol ester plastics (tensile strength 78MPa, notch impact strength 60J/m, 58 DEG C of heat distortion temperature) enhance (Black Warrior
Rock fiber consumption is the 30% of polybutylene terephthalate (PBT) quality) experiment, experimental result is recorded, record data are as follows:
| Number | Tensile strength (MPa) | Elongation at break (%) | Modified polybutylene terephthalate (PBT) plastics notch Impact strength (J/m) | Modified polybutylene terephthalate (PBT) modeling Expect tensile strength (Mpa) | Modified polybutylene terephthalate (PBT) heat deformations temperature It spends (DEG C) |
| Embodiment 1 | 3600 | 2.6 | 123 | 151 | 246 |
| Embodiment 2 | 3610 | 2.4 | 120 | 148 | 245 |
| Embodiment 3 | 3620 | 2.5 | 119 | 150 | 245 |
| Embodiment 4 | 3610 | 2.5 | 123 | 147 | 246 |
| Comparative example 1 | 3740 | 2.7 | 94 | 106 | 224 |
| Comparative example 2 | 3250 | 1.6 | 86 | 116 | 228 |
| Comparative example 3 | 3520 | 2.3 | 85 | 109 | 233 |
To above-mentioned analysis of experimental data it is found that the basalt being prepared in embodiment 1-4 using technical solution of the present invention
Fiber draws Shen intensity and elongation at break good, good with the compatibility of polybutylene terephthalate (PBT) plastics, to poly- terephthaldehyde
Sour butanediol ester plastics reinforcing effect is significant；And size used in 1 preparation method of comparative example is conventional size, is prepared into
The basalt fibre surface arrived is smooth, active group is few, poor with polybutylene terephthalate (PBT) material compatibility, with poly- to benzene
The chemical bonding of dioctyl phthalate butanediol ester material and mechanical riveted ability are weak, make to polybutylene terephthalate (PBT) Material reinforcement
With being obviously reduced；Size used in 2 preparation method of comparative example is not that the size component proportion protected in the present invention is used
Amount, sodium hydroxide concentration is excessive, and size damages basalt fibre surface erosion transition to basalt fiber construction,
The tensile strength and elongation at break for leading to basalt fibre significantly reduce, thus to polybutylene terephthalate (PBT) fiber
Humidification is also remarkably decreased；Size used in 3 preparation method of comparative example is not the size group protected in the present invention
Distribution ratio dosage, dimethyl sodium hypophosphite dosage is excessive, and size weakens basalt fibre surface activation, and basalt is fine
The active group for tieing up surface grafting is few, weak with the chemical bonding ability of polybutylene terephthalate (PBT) material, to poly- to benzene two
The effect of formic acid butanediol ester Material reinforcement is obviously reduced.
Claims (7)
1. a kind of preparation method of the dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement, which is characterized in that packet
Include following steps:
(1) basalt ore is subjected to pulverization process, obtains basalt ore powder；
(2) step 1 is obtained into powder heating, melting forms spinning melt；
(3) the spinning melt for obtaining step 2 carries out wire drawing, obtains basalt fibre precursor；
(4) the basalt fibre precursor for obtaining step 3 carries out infiltration modification with size；
(5) precursor by infiltration modification for obtaining step 4, which move back, solves and twists, and obtains poly terephthalic acid fourth two
The dedicated basalt fibre of alcohol ester Material reinforcement；
The size includes following parts by weight of component: 40-60 parts of film forming agent, 5-15 parts of coupling agent, 1-5 part lubricant,
10-20 parts of modifying agent, 30-50 parts of solvent；Modifying agent includes that mass ratio is 2-4 ︰ 1-3 ︰ 4-6 hypophosphites, highly basic, along fourth
Enedioic acid salt；
The hypophosphites is dimethyl hypophosphites, ethylmethylphosphiniacid acid salt, methyl n-propyl hypophosphites, dimethylamino methane
One kind or more of base hypophosphites, benzene-Isosorbide-5-Nitrae-dimethyl hypophosphites, aminomethyl phenyl hypophosphites or diphenyl hypophosphites
Kind；
The highly basic is one or both of sodium hydroxide, potassium hydroxide；
The film forming agent is polyacrylate dispersion；
The maleate is one or both of maleic acid sodium, maleic acid potassium.
2. preparation method according to claim 1, which is characterized in that melting temperature control is in 1100-1500 in step 2
℃。
3. preparation method according to claim 1, which is characterized in that basalt fibre precursor diameter control exists in step 3
2-50μm。
4. preparation method according to claim 1, which is characterized in that the coupling agent is containing in ester group, alkyl, carboxyl
The modified silane coupler of one or more groups.
5. preparation method according to claim 1, which is characterized in that the solvent is the aqueous solution of ethyl alcohol.
6. preparation method according to claim 1, which is characterized in that the control of size temperature is at 50-80 DEG C in step 4.
7. a kind of dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement, which is characterized in that wanted by right
The described in any item preparation methods of 1-6 are asked to be prepared.
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| CN201611073622.2A CN107312201B (en) | 2016-11-29 | 2016-11-29 | A kind of dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement and preparation method thereof |
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|---|---|---|---|
| CN201611073622.2A CN107312201B (en) | 2016-11-29 | 2016-11-29 | A kind of dedicated basalt fibre of polybutylene terephthalate (PBT) Material reinforcement and preparation method thereof |
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| CN105036572A (en) * | 2015-06-30 | 2015-11-11 | 四川航天五源复合材料有限公司 | Preparation method of stable basalt continuous fiber impregnating compound |
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