CN109023719A - A kind of blended hot composite reinforcing material of polypropylene fibre continuous glass fibre and preparation method thereof - Google Patents
A kind of blended hot composite reinforcing material of polypropylene fibre continuous glass fibre and preparation method thereof Download PDFInfo
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- CN109023719A CN109023719A CN201810585675.5A CN201810585675A CN109023719A CN 109023719 A CN109023719 A CN 109023719A CN 201810585675 A CN201810585675 A CN 201810585675A CN 109023719 A CN109023719 A CN 109023719A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/48—Oxides or hydroxides of chromium, molybdenum or tungsten; Chromates; Dichromates; Molybdates; Tungstates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
Abstract
The invention discloses blended hot composite reinforcing materials of a kind of polypropylene fibre continuous glass fibre and preparation method thereof, and preparation method includes following preparation step: (1) preparation of polypropylene fibre；(2) polypropylene fibre surface carboxylation；(3) fiberglass surfacing is modified；(4) mixing of polypropylene fibre and glass fibre: being mixed polypropylene fibre and glass fibre using fiber self-weighing hybrid system, and control hybird environment humidity is 33~43%, and control hybird environment temperature is 20~30 DEG C；(5) compression moulding: accurate mixed polypropylene fibre and glass fabric are carried out hot-forming.This preparation method processing step is simple, and production process is continuous, high production efficiency, equipment is simple, and for technology convenient for grasping, on the one hand the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre has preferable mechanical performance, on the other hand, compared with common infusion process, blended method is more convenient for processing.
Description
Technical field
The invention belongs to fiber hybrid composite technical field more particularly to a kind of polypropylene fibre continuous glass fibres
Blended hot composite reinforcing material and preparation method thereof.
Background technique
The innovation and development of science and technology have pushed continuous updating and the development of material, and new material then becomes promotion and hair
Open up the emphasis and key of high-tech area.Especially in material modification and field of textiles, the innovation and requirement to new material are more next
More obtain the attention of people.Multicomponent recombination line, which refers to, prepares two or more fiber by yarn processing technology
Made of a kind of new type yarn, by change yarn promiscuous mode and structure, the multicomponent of good mechanical performance can be obtained
Recombination line realizes the mutual supplement with each other's advantages between fiber, on the basis of guaranteeing mechanical property, moreover it is possible to reduce cost of material, realization compared with
High cost performance.Recombination line is made two-dimentional or three-dimensional by woven, knitting or knitting skill, unidirectional or multidirectional weaving is prefabricated
High performance composite material can be made in part, have high tenacity and impact resistance is good, resistance to environment and chemical attack ability
By force, many advantages, such as cost performance is high, can repeatedly be processed, and realizes regeneration and recycles.Glass fibre reinforced composion
By adjusting the volume fraction of assorted fibre, the finished product product of available different mechanical properties, to adapt to the skill in various fields
Art needs, and ensure that the selection freedom degree of fibre reinforced composites is gradually met；In the item for guaranteeing every application performance
Under part, the expensive fiber in part is replaced with cheap and environmentally friendly fiber, raw material and production cost can be substantially reduced；Use environment-friendly type
High-performance fiber replaces Common synthetic fiber, can meet the requirement of Green Sustainable.Hybrid fiber reinforced composite material
Development belong to advanced composite material (ACM) field, to its research and development can not only further expansion composite material application range,
So that product had both been retained the advantage and characteristic of reinforcing fiber of the same race, while also achieving the coordinated between multiple fiber, makes multiple
Composite product realizes the multifunction under the conditions of low cost.With the innovation of science and technology and develop, fiber hybrid composite
Product is increasingly mature, and performance gradually improves, and will be used wider and wider general, and the system such as be applied successfully to aerospace, automobile
Make industrial circle.
Glass fibre is a kind of inorganic non-metallic material haveing excellent performance, many kinds of, and advantage is good insulating, heat resistance
By force, corrosion resistance is good, high mechanical strength, but the disadvantage is that property is crisp, wearability is poor.And relative to polypropylene, intensity is high, is manufacture
The ideal material of fishing net, hawser；Wearability and resilience are good, and intensity is similar to terylene and polyamide fibre, and rebound degree can be with polyamide fibre, wool
It compares favourably, it is more much bigger than washing human relations, viscose rayon；But its poor dimensional stability, easy pilling and deformation, it is antimicrobial, it does not eat into；Resistance toization
It learns drug and is better than general fiber.The fusing point of polypropylene fibre is low (165~173 DEG C), poor to the stability of light and heat, so,
Polyacrylic heat resistance, resistance to ag(e)ing are poor, intolerant to ironing.But the blended mutual supplement with each other's advantages for being more advantageous to both of the combination of the two,
Polishing is insufficient, and making mixture both has many advantages, such as polyacrylic wear-resisting row or have many advantages, such as the heat resistance of glass.But existing skill
That there are binding performances is undesirable for the blended fabric of polypropylene and continuous glass fibre in art, and preparation process is complicated, and production efficiency is low
The defects of.
Summary of the invention
The purpose of the present invention is to provide a kind of simple process, high production efficiency and can prepare high, resistance to intensity
The preparation method of the good blended hot composite reinforcing material of polypropylene fibre continuous glass fibre of heat, wear-resisting property.
In order to solve the above-mentioned technical problem, adopt the following technical scheme that a kind of polypropylene fibre continuous glass fibre is blended
Hot composite reinforcing material is the polypropylene fibre by surface carboxylation and the silane coupler modified blended volume of continuous glass fibre
It knits.
Advanced optimize, the silane coupler modified continuous glass fibre content in hot composite material be 30%~
70%.Fiber content is higher, and theoretical strength is higher, when fiber content is 30%~70%, may be implemented under higher-strength
Good wet effect.
It advanced optimizes, polypropylene fibre is black polypropylene fiber, fiber dimensious 6D.
The polypropylene fibre of the surface carboxylation advanced optimized is to comprise the following steps: traction polypropylene fiber filaments
By the mixed solution of inorganic oxidizer and sulfuric acid, through soda lye wash after, wound after drying up to poly- the third of surface carboxylation
Alkene fiber.
Further optimize, the temperature of the mixed solution of inorganic oxidizer and sulfuric acid is 30~75 DEG C.
Further optimize, inorganic oxidizer K2Cr2O7And/or Na2Cr2O7.
Further optimize, inorganic oxidizer concentration is 0.02~0.3mol/L, 0.02~5mol/L of sulfuric acid concentration.
The preparation method of the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre as described above, including fiber
Self-weighing hybrid system mixes the polypropylene fibre of surface carboxylation and silane coupler modified continuous glass fibre, then
Knitting forming, then the blend fibre composite material is made afterwards through hot press molding.
It advanced optimizes, hot-forming pressure is 3~7MPa, and temperature is 180~210 DEG C.
It advanced optimizes, the polypropylene fibre of surface carboxylation and silane coupler modified continuous glass fibre is mixed
Detailed process is as follows for conjunction:
The polypropylene fibre of the surface carboxylation and the silane coupler modified continuous glass fibre are first passed through
Premixing processing is crossed, then uses the thick shredding of multiaxis metallic card clothing pre-opener, then by the polypropylene fibre of the surface carboxylation
Whirlwind mixing is carried out with the silane coupler modified continuous glass fibre, then is opened with multiaxis metallic card clothing refined opener essence
Pine, then the polypropylene fibre and the silane coupler modified continuous glass fibre of the carboxylated modification after smart shredding
It is middle that big storehouse mixed cotton is added, shredding processing finally is carried out with carding machine, makes silane coupler modified continuous glass fibre and carboxyl
Change modified polypropylene fibre mixing, wherein silane coupler modified continuous glass fibre content is 30%~70%.
As a result of the above technical solution, the following beneficial effects are obtained:
The present invention is a kind of preparation method of the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre, the present invention
Raw material polypropylene fibre and glass fibre using relatively broad, it is cheap, obtain and be easy, it is higher to choose mobility,
The middle black polypropylene fiber for selecting fiber dimensious as 6D, it is ensured that good wetability.The processing step letter of this preparation method
It is single, and production process is continuous, high production efficiency, equipment is simple, and technology is convenient for grasping, in addition, being gone out by this preparation method poly-
Propylene glass thermoplastic composite has the advantages that high-intensitive, good impact resistance, heat absorption conductive performance；
The present invention solves Heat Conduction Material intensity deficiency, production not easy to be processed, and waste of resource pollutes the environment, makes
With the problem that the service life is short, on the one hand the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre of the invention has preferably
Heating conduction, on the other hand enhance the mechanical performance of Heat Conduction Material, it is easy to process.
In blended compilation process, also further control hybird environment humidity is 35-41% to the present invention, controls hybird environment temperature
Degree is 22-28 DEG C, the influence that can farthest avoid electrostatic to mix polypropylene fibre and glass fibre in this way.
Specific embodiment
The present invention is described in further detail below with reference to embodiment:
Embodiment 1:
(1) preparation of polypropylene fibre: using the completely new pellet of wire drawing grade polypropylene as ingredient, it is subject in polypropylene appropriate
Compatilizer, and compound antioxidant is added in ingredient, the antioxidant that the compound antioxidant is 28% by mass fraction
1010, the antioxidant 2246 of 12% anti-oxidant 1024,23% Omnistab 46,15%, obtains polypropylene fibre, gathers
The oxidation induction time of tacryl is greater than 30min.
(2) surface carboxylation of polypropylene fibre: machine travel polypropylene (PP) fibre single thread is wound by three rollers and passes through one
Determine the K of temperature DEG C2Cr2O7With the mixed solution of sulfuric acid, time of the PP fibre single thread in mixed liquor is about 1 minute or so, mixing
K in solution2Cr2O7Concentration is 0.1mol/L, and sulfuric acid concentration 2mol/L, treatment temperature is 50 DEG C, then by washing through buck
It washs, the PP monofilament up to surface carboxylation is wound after drying.
(3) modification of continuous glass fibre: first choosing alkali-free glass fibre long filament, it is allowed to be equipped with KH550's by one
The container of ethanol solution is wound after drying.
(4) blending woven of polypropylene fibre and continuous glass fibre: use fiber self-weighing hybrid system by polypropylene
Fiber and glass fibre mixing, then with 0 and 90 degree of superposition knitting forming, controlling hybird environment humidity is 43%, control mixing
Environment temperature is 24 DEG C.Wherein fiber self-weighing hybrid system polypropylene fibre and silane coupling agent that surface carboxylation is modified
Detailed process is as follows for modified continuous glass fibre mixing: by the carboxylated modified polypropylene fibre and the silane
Coupling agent modified continuous glass fibre first passes through premixing processing, then uses the thick shredding of multiaxis metallic card clothing pre-opener, then
The modified polypropylene fibre of the carboxylated and the silane coupler modified continuous glass fibre are subjected to whirlwind mixing, then
With multiaxis metallic card clothing refined opener essence shredding, then the polypropylene fibre and the silicon of the carboxylated modification after smart shredding
Big storehouse mixed cotton is added in the coupling agent modified continuous glass fibre of alkane, finally carries out shredding processing with carding machine, makes silane coupled
The polypropylene fibre mixing that the modified continuous glass fibre of agent and carboxylated are modified, wherein silane coupler modified continuous glass
Fiber content is glass fiber content 50%.(5) compression moulding: woven material is carried out hot-forming.Pressure is 5MPa, heat
200 DEG C of temperature of pressure.
| Project | Tensile strength (MPa) | Bending strength (MPa) | Elongation at break (%) | Bending modulus (MPa) |
| Index | 270 | 270 | 2.1 | 10800 |
Embodiment 2
(1) preparation of polypropylene fibre: using the completely new pellet of wire drawing grade polypropylene as ingredient, it is subject in polypropylene appropriate
Compatilizer, and compound antioxidant is added in ingredient, the antioxidant that the compound antioxidant is 28% by mass fraction
1010, the antioxidant 2246 of 12% anti-oxidant 1024,23% Omnistab 46,15%, obtains polypropylene fibre, gathers
The oxidation induction time of tacryl is greater than 30min.
(2) surface carboxylation of polypropylene fibre: machine travel PP fibre single thread will be wound by three rollers and continued through centainly
The K of temperature DEG C2Cr2O7With the mixed solution of sulfuric acid, time of the PP fibre single thread in mixed liquor is about 1 minute or so, is mixed molten
K in liquid2Cr2O7Concentration is 0.3mol/L, sulfuric acid concentration 4mol/L, and treatment temperature is 60 DEG C, then by through soda lye wash,
The PP monofilament up to surface carboxylation is wound after drying.
(3) modification of continuous glass fibre: first choosing alkali-free glass fibre long filament, it is allowed to be equipped with KH792's by one
The container of ethanol solution is wound after drying.
(4) blending woven of polypropylene fibre and continuous glass fibre: use fiber self-weighing hybrid system by polypropylene
Fiber and glass fibre mixing, then with 0 and 90 degree of superposition knitting forming, controlling hybird environment humidity is 35%, control mixing
Environment temperature is 28 DEG C.Wherein fiber self-weighing hybrid system polypropylene fibre and silane coupling agent that surface carboxylation is modified
Detailed process is as follows for modified continuous glass fibre mixing: by the carboxylated modified polypropylene fibre and the silane
Coupling agent modified continuous glass fibre first passes through premixing processing, then uses the thick shredding of multiaxis metallic card clothing pre-opener, then
The modified polypropylene fibre of the carboxylated and the silane coupler modified continuous glass fibre are subjected to whirlwind mixing, then
With multiaxis metallic card clothing refined opener essence shredding, then the polypropylene fibre and the silicon of the carboxylated modification after smart shredding
Big storehouse mixed cotton is added in the coupling agent modified continuous glass fibre of alkane, finally carries out shredding processing with carding machine, makes silane coupled
The polypropylene fibre mixing that the modified continuous glass fibre of agent and carboxylated are modified, wherein silane coupler modified continuous glass
Fiber content is glass fiber content 60%.
(5) compression moulding: woven material is carried out hot-forming.Pressure is 6MPa, 190 DEG C of hot pressing temperature.
| Project | Tensile strength (MPa) | Bending strength (MPa) | Elongation at break (%) | Bending modulus (MPa) |
| Index | 288 | 276 | 2.2 | 11000 |
Embodiment 3
(1) preparation of polypropylene fibre: using the completely new pellet of wire drawing grade polypropylene as ingredient, it is subject in polypropylene appropriate
Compatilizer, and compound antioxidant is added in ingredient, the antioxidant that the compound antioxidant is 28% by mass fraction
1010, the antioxidant 2246 of 12% anti-oxidant 1024,23% Omnistab 46,15%, obtains polypropylene fibre, gathers
The oxidation induction time of tacryl is greater than 30min.
(2) surface carboxylation of polypropylene fibre: machine travel polypropylene (PP) fibre single thread is wound by three rollers and passes through one
Determine the K of temperature DEG C2Cr2O7With the mixed solution of sulfuric acid, time of the PP fibre single thread in mixed liquor is about 1 minute or so, mixing
Na in solution2Cr2O7Concentration is 0.2mol/L, and sulfuric acid concentration 1mol/L, treatment temperature is 70 DEG C, then by washing through buck
It washs, the PP monofilament up to surface carboxylation is wound after drying.
(3) modification of continuous glass fibre: first choosing alkali-free glass fibre long filament, it is allowed to be equipped with KH550's by one
The container of ethanol solution is wound after drying.
(4) blending woven of polypropylene fibre and continuous glass fibre: use fiber self-weighing hybrid system by polypropylene
Fiber and glass fibre mixing, then with 0 and 90 degree of superposition knitting forming, controlling hybird environment humidity is 40%, control mixing
Environment temperature is 25 DEG C.Wherein fiber self-weighing hybrid system polypropylene fibre and silane coupling agent that surface carboxylation is modified
Detailed process is as follows for modified continuous glass fibre mixing: by the carboxylated modified polypropylene fibre and the silane
Coupling agent modified continuous glass fibre first passes through premixing processing, then uses the thick shredding of multiaxis metallic card clothing pre-opener, then
The modified polypropylene fibre of the carboxylated and the silane coupler modified continuous glass fibre are subjected to whirlwind mixing, then
With multiaxis metallic card clothing refined opener essence shredding, then the polypropylene fibre and the silicon of the carboxylated modification after smart shredding
Big storehouse mixed cotton is added in the coupling agent modified continuous glass fibre of alkane, finally carries out shredding processing with carding machine, makes silane coupled
The polypropylene fibre mixing that the modified continuous glass fibre of agent and carboxylated are modified, wherein silane coupler modified continuous glass
Fiber content is glass fiber content 70%.
(5) compression moulding: woven material is carried out hot-forming.Pressure is 7MPa, 210 DEG C of hot pressing temperature.
| Project | Tensile strength (MPa) | Bending strength (MPa) | Elongation at break (%) | Bending modulus (MPa) |
| Index | 248 | 236 | 2.1 | 9800 |
Embodiment 4
(1) preparation of polypropylene fibre: using the completely new pellet of wire drawing grade polypropylene as ingredient, it is subject in polypropylene appropriate
Compatilizer, and compound antioxidant is added in ingredient, the antioxidant that the compound antioxidant is 28% by mass fraction
1010, the antioxidant 2246 of 12% anti-oxidant 1024,23% Omnistab 46,15%, obtains polypropylene fibre, gathers
The oxidation induction time of tacryl is greater than 30min.
(2) surface carboxylation of polypropylene fibre: machine travel polypropylene (PP) fibre single thread is wound by three rollers and passes through one
Determine the K of temperature DEG C2Cr2O7With the mixed solution of sulfuric acid, time of the PP fibre single thread in mixed liquor is about 1 minute or so, mixing
Na in solution2Cr2O7Concentration is 0.15mol/L, and sulfuric acid concentration 4mol/L, treatment temperature is 50 DEG C, then by washing through buck
It washs, the PP monofilament up to surface carboxylation is wound after drying.
(3) modification of continuous glass fibre: first choosing alkali-free glass fibre long filament, it is allowed to be equipped with KH792's by one
The container of ethanol solution is wound after drying.
(4) blending woven of polypropylene fibre and continuous glass fibre: use fiber self-weighing hybrid system by polypropylene
Fiber and glass fibre mixing, then with 0 and 90 degree of superposition knitting forming, controlling hybird environment humidity is 43%, control mixing
Environment temperature is 22 DEG C.Wherein fiber self-weighing hybrid system polypropylene fibre and silane coupling agent that surface carboxylation is modified
Detailed process is as follows for modified continuous glass fibre mixing: by the carboxylated modified polypropylene fibre and the silane
Coupling agent modified continuous glass fibre first passes through premixing processing, then uses the thick shredding of multiaxis metallic card clothing pre-opener, then
The modified polypropylene fibre of the carboxylated and the silane coupler modified continuous glass fibre are subjected to whirlwind mixing, then
With multiaxis metallic card clothing refined opener essence shredding, then the polypropylene fibre and the silicon of the carboxylated modification after smart shredding
Big storehouse mixed cotton is added in the coupling agent modified continuous glass fibre of alkane, finally carries out shredding processing with carding machine, makes silane coupled
The polypropylene fibre mixing that the modified continuous glass fibre of agent and carboxylated are modified, wherein silane coupler modified continuous glass
Fiber content is glass fiber content 40%.
(5) compression moulding: woven material is carried out hot-forming.Pressure is 6MPa, 180 DEG C of hot pressing temperature.
| Project | Tensile strength (MPa) | Bending strength (MPa) | Elongation at break (%) | Bending modulus (MPa) |
| Index | 258 | 225 | 2.0 | 7500 |
Claims (10)
1. a kind of blended hot composite reinforcing material of polypropylene fibre continuous glass fibre, it is characterised in that: the blended heat is compound
Reinforcing material is formed by the polypropylene fibre and silane coupler modified continuous glass fibre blending woven of surface carboxylation.
2. the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre according to claim 1, which is characterized in that
Silane coupler modified continuous glass fibre content in the blended hot composite reinforcing material is 30%~70%.
3. the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre according to claim 1, which is characterized in that
The polypropylene fibre is black polypropylene fiber, fiber dimensious 6D.
4. the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre according to claim 1, which is characterized in that
The polypropylene fibre of the surface carboxylation is to comprise the following steps:
Traction polypropylene fiber filaments are received after drying by the mixed solution of inorganic oxidizer and sulfuric acid through soda lye wash after
Roll up the polypropylene fibre up to surface carboxylation.
5. the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre according to claim 4, which is characterized in that
The temperature of the mixed solution of described inorganic oxidizer and sulfuric acid is 30~75 DEG C.
6. the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre according to claim 4, which is characterized in that
Described inorganic oxidizer is K2Cr2O7And/or Na2Cr2O7。
7. the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre according to claim 4, which is characterized in that
Inorganic oxidizer concentration is 0.02~0.3mol/L, and the sulfuric acid concentration is 0.02~5mol/L.
8. the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre as described in any one of claims 1 to 7
Preparation method, it is characterised in that: the method includes by the polypropylene fibre of surface carboxylation and silane coupler modified company
Continuous glass fibre mixing, is then woven into type, then the blend fibre composite material is made afterwards through hot press molding.
9. the preparation method of the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre according to claim 8,
It is characterized in that, the hot-forming pressure is 3~7MPa, temperature is 180~210 DEG C.
10. the preparation method of the blended hot composite reinforcing material of polypropylene fibre continuous glass fibre according to claim 8,
It is characterized in that, the fiber self-weighing hybrid system is by the polypropylene fibre of surface carboxylation and silane coupler modified continuous
Detailed process is as follows for glass fibre mixing:
The polypropylene fibre of the surface carboxylation and the silane coupler modified continuous glass fibre are first passed through pre-
Then mixed processing uses the thick shredding of multiaxis metallic card clothing pre-opener, then by the polypropylene fibre of the surface carboxylation and institute
It states silane coupler modified continuous glass fibre and carries out whirlwind mixing, then with multiaxis metallic card clothing refined opener essence shredding, then
Add in the polypropylene fibre and the silane coupler modified continuous glass fibre that the carboxylated after smart shredding is modified
Enter big storehouse mixed cotton, finally carry out shredding processing with carding machine, changes silane coupler modified continuous glass fibre and carboxylated
Property polypropylene fibre mixing, wherein silane coupler modified continuous glass fibre content be 30%~70%.
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| CN111285625A (en) * | 2019-03-06 | 2020-06-16 | 史玉成 | Processing technology of high-modulus environment-friendly glass fiber |
| CN114171247A (en) * | 2021-12-09 | 2022-03-11 | 安庆横电电缆有限公司 | Ceramic polyolefin insulation high-flame-retardant fireproof cable and preparation process thereof |
| CN114311887A (en) * | 2021-12-30 | 2022-04-12 | 浙江华江科技股份有限公司 | Lightweight high-tear-resistance bottom protection composite material for vehicle |
| CN114526849A (en) * | 2022-02-23 | 2022-05-24 | 重庆文理学院 | Preparation method of non-woven fabric-based flexible pressure sensor |
| FR3132112A1 (en) | 2022-01-26 | 2023-07-28 | Saint-Gobain Isover | Insulation material comprising thermoplastic fibers, glass fibers and a coupling agent |
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| CN114171247A (en) * | 2021-12-09 | 2022-03-11 | 安庆横电电缆有限公司 | Ceramic polyolefin insulation high-flame-retardant fireproof cable and preparation process thereof |
| CN114311887A (en) * | 2021-12-30 | 2022-04-12 | 浙江华江科技股份有限公司 | Lightweight high-tear-resistance bottom protection composite material for vehicle |
| FR3132112A1 (en) | 2022-01-26 | 2023-07-28 | Saint-Gobain Isover | Insulation material comprising thermoplastic fibers, glass fibers and a coupling agent |
| WO2023144486A1 (en) | 2022-01-26 | 2023-08-03 | Saint-Gobain Isover | Insulating material comprising thermoplastic fibres, glass fibres and a coupling agent |
| CN114526849A (en) * | 2022-02-23 | 2022-05-24 | 重庆文理学院 | Preparation method of non-woven fabric-based flexible pressure sensor |
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