CN108437487A - A kind of polyphenyl thioether composite material and preparation method thereof of high content of glass fiber - Google Patents
A kind of polyphenyl thioether composite material and preparation method thereof of high content of glass fiber Download PDFInfo
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- CN108437487A CN108437487A CN201810306454.XA CN201810306454A CN108437487A CN 108437487 A CN108437487 A CN 108437487A CN 201810306454 A CN201810306454 A CN 201810306454A CN 108437487 A CN108437487 A CN 108437487A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of polyphenyl thioether composite materials of high content of glass fiber, which is characterized in that percentage, it is composed of the following components：Polyphenylene sulfide 20%~30%, glass fibre 70%~85%, coupling agent 0.1%~2%；Fiberglass enhanced polyphenyl thioether composite material is using polyphenylene sulfide non-woven fabrics as raw material, fiberglass enhanced polyphenyl thioether composite material is prepared by hot-press method, this method can effectively reduce the adverse effect deformed due to glass fibre caused by polyphenylene sulfide melt flowing, to greatly improve the tensile strength, bending strength and impact strength of fiberglass enhanced polyphenyl thioether composite material.
Description
Technical field
The invention belongs to field of compound material, and in particular to a kind of high-content fiberglass enhanced polyphenyl thioether composite material
And preparation method thereof.
Background technology
Polyphenylene sulfide (PPS) is a kind of model engineering plastic that crystal property is excellent, has good heat resistance, chemically-resistant
Corrosivity and anti-flammability in automobile making, aerospace and electric etc. have a wide range of applications at present.But individually
Polyphenyl thioether material mechanical performance it is not ideal enough, limit its scope of application.Glass fibre is a kind of inorganic fibers,
Usually composite material can be made with resin in it, be used for the mechanical performance of reinforced resin, and its is cheap, can reduce multiple
The cost of condensation material.
However, in traditional composite material, the dosage of glass fibre is less, is higher than 70% situation in content of glass fiber
Under, it is difficult molding, and its structural instability, machinery to prepare fiberglass enhanced polyphenyl thioether composite material using conventional method
Poor performance, it is difficult to accomplish scale production.
The patent of invention of Publication No. CN102634124A discloses a kind of fibre reinforced thermoplastic polymer base composite wood
Material and preparation method thereof, embodiment specifically disclose composite material raw material composition：Polyphenylene sulfide, quartz fibre, titanate esters are even
Join agent；Wherein polyphenylene sulfide: quartz fibre=7: 3 (weight ratios)；Titanate coupling agent weight is quartz fibre weight
0.2%, expressing technique is used, composite material is prepared.In the polyphenyl thioether composite material that the technique is prepared, glass fibers
Dimension hplc is relatively low, of high cost, and its mechanical performance such as tensile strength is that 130MPa is not ideal enough.
The patent of invention of Publication No. CN102886902A discloses a kind of improvement fiber cloth enhancing thermoplastic composite
The preparation method of dipping effect, preparing fiber cloth using secondary hot pressing forming method enhances thermoplastic composite.And implementing
Example in disclose fiberglass enhanced polyphenyl thioether preparation method include the following steps 1) PPS dry at 100 DEG C after and
KH550 in mass ratio 100：1 measures, and using single screw extrusion machine in 290 DEG C of melting extrusions of temperature, shapes through three-roller calendar
To PPS diaphragms；(2) above-mentioned diaphragm and fiber cloth are formed into single layer with B layers/A layers/B layers of sequence lamination, wherein A layers is above-mentioned
Diaphragm, B layers are glass fabric；This is stacked under the conditions of 290 DEG C of temperature and 10MPa and carries out the obtained fibres of a hot pressing 10min
Wei Bu enhances polymer matrix single sheet prepreg；(3) above-mentioned single sheet prepreg is cut into be superimposed after needing size and is formed
Composite laminate carries out secondary hot pressing 30min under the conditions of 290 DEG C of temperature and 40MPa, obtains the glass that content of glass fiber is 80%
Glass fiber cloth/PPS composite materials；The composite material prepared using this method is obtained relative to the mechanical performance of conventional composite materials
To greatly improving, wherein tensile strength reaches 402.8MPa, and can significantly reduce cost, however prepared by its disclosed method
Composite material is complex, and this form only by film interacts the composite material for being superimposed, since resin is to glass
Fine fixed function is insufficient, and glass is easy to happen displacement with resin, and the mechanical performance for changing material is unsatisfactory, cannot be satisfied height
The demand of strength materials.
From the combing to the prior art as can be seen that glass fibre is less as the additive amount of reinforcing fiber, and mostly
By the way that with extrusion molding after resin alloy, the performance that must fall to meet material is not ideal enough.Or pass through resin film and glass fibers
Dimension interacts the aftershaping of superposition, can largely improve the content of glass fibre, however this only by film
Form interacts the composite material for being superimposed, and since resin is insufficient to the fixed function of glass, glass is easy with resin
It is subjected to displacement, the mechanical performance for changing material is unsatisfactory.
The present invention is intended to provide a kind of high-content fiberglass enhanced polyphenyl thioether composite material, the content of glass fibre
Higher than 70%, the cost of composite material can be significantly reduced, and on the basis of existing technology, further improved compound
The mechanical performance of material, the present invention mainly use polyphenylene sulfide non-woven fabrics and glass fabric as raw material, pass through interaction
It stacks and by hot-forming, it, can be abundant in hot pressing due to the waist and hips network structure of polyphenylene sulfide non-woven fabrics fiber
Penetrate into glass fabric, glass fibre is formed and stablizes firm fixation, and then glass fibers can be greatly improved
The mechanical performance of composite material is improved while dimension hplc.
Invention content
A kind of high-content fiberglass enhanced polyphenyl thioether composite material of offer prepared by the present invention, glass fibre contain
Amount is higher than 70%, can significantly reduce the cost of composite material, while can effectively reduce since polyphenylene sulfide melt flows
Caused by glass fibre deform adverse effect, to greatly improve the stretching of fiberglass enhanced polyphenyl thioether composite material
Intensity, bending strength and impact strength, in addition, the preparation method of the composite material provided by the invention is simple, product repetitive rate
It is high.
This hair provides a kind of high-content fiberglass enhanced polyphenyl thioether composite material, which is characterized in that by weight hundred
Score meter includes mainly that following components forms：Polyphenylene sulfide 20%~30%, glass fibre 70%~85%, coupling agent
0.1%~2%；The fiberglass enhanced polyphenyl thioether composite material is to pass through heat using polyphenylene sulfide non-woven fabrics as raw material
Fiberglass enhanced polyphenyl thioether composite material is prepared in pressure method.
Raw material of the present invention using polyphenylene sulfide non-woven fabrics as composite material, wherein polyphenylene sulfide non-woven fabrics are in before hot pressing
Unordered fibre structure, the fixed glass fibre that complicated three-dimensional structure can be stablized is effective to reduce in reflow process,
The adverse effect that glass fibre caused by being flowed due to polyphenylene sulfide melt is deformed so that the orientation of composite material is more neat,
And then the mechanical performance of composite material is greatly improved.
Further, in the polyphenylene sulfide non-woven cloth, a diameter of 0.5~20 μm of polyphenylene sulfide fibre, preferably
0.5~15 μm, more preferable 0.5~10 μm.
The thickness of polyphenylene sulfide fibre influences whether the heat-transfer effect and hot melt of polyphenylene sulfide non-woven fabrics in reflow process
Mobile performance, fibre diameter is excessively thick, and polyphenylene sulfide non-woven fabrics needs the long period to be melted, and fibre diameter is meticulous, when melting
Between it is shorter, the time of melting will have a direct impact on the mobility of polyphenylene sulfide, therefore influence whether the deformation of glass fibre, in turn
Influence the mechanical performance of composite material.
Further, fiberglass enhanced polyphenyl thioether composite material is the preferred glass using glass fabric as raw material
Fiber plain cloth more selects alkali-free glass fibre plain, and fibre diameter is 0.5~20 μm, preferably 0.5~15 μm, more excellent
Select 0.5~10 μm.
It selects to prevent composite material in hot pressing using glass fabric as raw material, because of the heat of polyphenylene sulfide
It is molten so that glass fibre need not arrangement, and then increase the alignment degree of composite inner structure, improve the machine of composite material
Tool performance.
Coupling agent is one or both of Silane coupling agent KH550 or silane coupling agent KH560.
The present invention also provides a kind of preparation methods of high-content fiberglass enhanced polyphenyl thioether composite material, including with
Lower step：(a) polyphenylene sulfide non-woven fabrics is prepared；
(b) glass fabric pre-treatment；
(c) glass fabric impregnates coupling agent；
(d) weigh polyphenylene sulfide non-woven cloth in above-mentioned steps (a) and (c) in glass fabric, laying is put in mould
It is hot-forming in tool.
It is knitted specifically, polyphenylene sulfide slice is prepared as the non-of different densities specification by step (a) by melt-blown process
Make cloth；
(b) glass fibre is put into Muffle furnace high temperature purification process, is then placed in ethanol solution and is ultrasonically treated, taken out
Afterwards in drying；
(c) glass fibre in above-mentioned steps (b) is put into coupling agent solution and is impregnated, take out drying；
(d) weigh polyphenylene sulfide non-woven cloth in above-mentioned steps (a) and (c) in glass fabric, a time laying puts
In mold, finally hot-forming on hot press is composite board.
Step (b) high temperature cleansing temp is 300-450 DEG C, time 2-5h；
It is 1-4h that glass fibre, which is put into soaking time in coupling agent solution, in step (c)；
The content of a kind of high-content fiberglass enhanced polyphenyl thioether composite material provided by the invention, glass fibre is high
In 70%, the cost of composite material can be significantly reduced, effectively reduces glass fibers caused by being flowed due to polyphenylene sulfide melt
The adverse effect for tieing up deformation, to which the tensile strength, the bending that greatly improve fiberglass enhanced polyphenyl thioether composite material are strong
Degree and impact strength, in addition, the preparation method of the composite material provided by the invention is simple, product repetitive rate is high
Specific implementation mode
The effect that specific preparation method of the invention is presented below with reference to specific embodiment and uses.
Embodiment 1
A kind of high-content fiberglass enhanced polyphenyl thioether composite material, percentage, including polyphenylene sulfide
28%, glass fibre 70%, coupling agent 2%.Preparation method includes the following steps：(a) polyphenylene sulfide slice is passed through
Melt-blown process is prepared as the non-woven cloth of different densities specification, and wherein fibre diameter is 2 μm；(b) glass fabric is put into horse
Not 400 DEG C of purification process 2h in stove, are then placed in ethanol solution and are ultrasonically treated 1h, after taking-up at a temperature of 80 DEG C in an oven
Dry 12h；(c) glass fibre in above-mentioned steps (b) is put into silane coupling agent KH560 solution and impregnates 2h, after taking-up in
110 DEG C are dried 4h in an oven；(d) weigh polyphenylene sulfide non-woven cloth in above-mentioned steps (a) and (c) in glass fibre
Cloth, successively laying be put in mold, it is finally hot-forming on hot press to obtain composite board.
Embodiment 2
A kind of high-content fiberglass enhanced polyphenyl thioether composite material, percentage, including polyphenylene sulfide
23%, glass fibre 75%, coupling agent 2%.Preparation method includes the following steps：(a) polyphenylene sulfide slice is passed through
Melt-blown process is prepared as the non-woven cloth of different densities specification, and wherein fibre diameter is 2 μm；(b) glass fabric is put into horse
Not 400 DEG C of purification process 2h in stove, are then placed in ethanol solution and are ultrasonically treated 1h, after taking-up at a temperature of 80 DEG C in an oven
Dry 12h；(c) glass fibre in above-mentioned steps (b) is put into Silane coupling agent KH550 solution and impregnates 2h, after taking-up in
110 DEG C are dried 4h in an oven；(d) weigh polyphenylene sulfide non-woven cloth in above-mentioned steps (a) and (c) in glass fibre
Cloth, successively laying be put in mold, it is finally hot-forming on hot press to obtain composite board.
Embodiment 3
A kind of high-content fiberglass enhanced polyphenyl thioether composite material, percentage, including polyphenylene sulfide
18%, glass fibre 80%, coupling agent 2%.Preparation method includes the following steps：(a) polyphenylene sulfide slice is passed through
Melt-blown process is prepared as the non-woven cloth of different densities specification, and wherein fibre diameter is 2 μm；(b) glass fabric is put into horse
Not 400 DEG C of purification process 2h in stove, are then placed in ethanol solution and are ultrasonically treated 1h, after taking-up at a temperature of 80 DEG C in an oven
Dry 12h；(c) glass fibre in above-mentioned steps (b) is put into Silane coupling agent KH550 solution and impregnates 2h, after taking-up in
110 DEG C are dried 4h in an oven；(d) weigh polyphenylene sulfide non-woven cloth in above-mentioned steps (a) and (c) in glass fibre
Cloth, successively laying be put in mold, it is finally hot-forming on hot press to obtain composite board.
Embodiment 4
A kind of high-content fiberglass enhanced polyphenyl thioether composite material, percentage, including polyphenylene sulfide
13%, glass fibre 85%, coupling agent 2%.Preparation method includes the following steps：(a) polyphenylene sulfide slice is passed through
Melt-blown process is prepared as the non-woven cloth of different densities specification, and wherein fibre diameter is 2 μm；(b) glass fabric is put into horse
Not 400 DEG C of purification process 2h in stove, are then placed in ethanol solution and are ultrasonically treated 1h, after taking-up at a temperature of 80 DEG C in an oven
Dry 12h；(c) glass fibre in above-mentioned steps (b) is put into silane coupling agent KH560 solution and impregnates 2h, after taking-up in
110 DEG C are dried 4h in an oven；(d) weigh polyphenylene sulfide non-woven cloth in above-mentioned steps (a) and (c) in glass fibre
Cloth, successively laying be put in mold, it is finally hot-forming on hot press to obtain composite board.
Embodiment 5
A kind of high-content fiberglass enhanced polyphenyl thioether composite material, percentage, including polyphenylene sulfide
18%, glass fibre 80%, coupling agent 2%.Preparation method includes the following steps：(a) polyphenylene sulfide slice is passed through
Melt-blown process is prepared as the non-woven cloth of different densities specification, and wherein fibre diameter is 7 μm；(b) glass fabric is put into horse
Not 400 DEG C of purification process 2h in stove, are then placed in ethanol solution and are ultrasonically treated 1h, after taking-up at a temperature of 80 DEG C in an oven
Dry 12h；(c) glass fibre in above-mentioned steps (b) is put into silane coupling agent KH560 solution and impregnates 2h, after taking-up in
110 DEG C are dried 4h in an oven；(d) weigh polyphenylene sulfide non-woven cloth in above-mentioned steps (a) and (c) in glass fibre
Cloth, successively laying be put in mold, it is finally hot-forming on hot press to obtain composite board.
Comparative example 1
A kind of high-content fiberglass enhanced polyphenyl thioether composite material, percentage, including polyphenylene sulfide
18%, 1) preparation method of glass fibre 80%, coupling agent 2%, fiberglass enhanced polyphenyl thioether includes the following steps PPS
At 100 DEG C dry after with KH550 in mass ratio 100：1 measures, using single screw extrusion machine in 290 DEG C of melting extrusions of temperature,
It shapes to obtain PPS diaphragms through three-roller calendar；(2) above-mentioned diaphragm is formed with fiber cloth with B layers/A layers/B layers of sequence lamination
Single layer, wherein A layer are above-mentioned diaphragm, and B layers are glass fabric；This is stacked under the conditions of 290 DEG C of temperature and 10MPa and carries out one
Fiber cloth, which is made, in secondary hot pressing 10min enhances polymer matrix single sheet prepreg；(3) being cut into above-mentioned single sheet prepreg needs
Superposition forms composite laminate after wanting size, and secondary hot pressing 30min is carried out under the conditions of 290 DEG C of temperature and 40MPa, obtains glass fibers
Glass fabric/PPS composite materials that dimension hplc is 80%；The composite material prepared using this method is relative to conventional composite
The mechanical performance of material is largely increased, and wherein tensile strength reaches 402.8MPa.
Embodiment 2
A kind of high-content fiberglass enhanced polyphenyl thioether composite material, percentage, including polyphenylene sulfide
18%, glass fibre 80%, coupling agent 2%.Preparation method includes the following steps：(a) polyphenylene sulfide slice is passed through
Melt-blown process is prepared as the non-woven cloth of different densities specification, and wherein fibre diameter is 45 μm；(b) glass fabric is put into horse
Not 400 DEG C of purification process 2h in stove, are then placed in ethanol solution and are ultrasonically treated 1h, after taking-up at a temperature of 80 DEG C in an oven
Dry 12h；(c) glass fibre in above-mentioned steps (b) is put into silane coupling agent KH560 solution and impregnates 2h, after taking-up in
110 DEG C are dried 4h in an oven；(d) weigh polyphenylene sulfide non-woven cloth in above-mentioned steps (a) and (c) in glass fibre
Cloth, successively laying be put in mold, it is finally hot-forming on hot press to obtain composite board.
The obtained material of embodiment 1-5 and comparative example 1 is tested, it is as a result as follows.
Above example is only the preferred embodiment of the present invention, it is noted that for the ordinary skill of the art
Personnel can also make several changes, improvements and modifications without departing from the inventive concept of the premise, these change, improve and
Retouching also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of polyphenyl thioether composite material of high content of glass fiber, which is characterized in that percentage includes mainly
Following components forms：Polyphenylene sulfide 20%~30%, glass fibre 70%~85%, coupling agent 0.1%~2%；The glass
Fiber reinforcement polyphenyl thioether composite material is that glass fibers are prepared by hot-press method using polyphenylene sulfide non-woven fabrics as raw material
Dimension enhancing polyphenyl thioether composite material.
2. a kind of polyphenyl thioether composite material of high content of glass fiber as described in claim 1, which is characterized in that described poly-
In diphenyl sulfide non-woven cloth, a diameter of 0.5~20 μm of polyphenylene sulfide fibre.
3. a kind of polyphenyl thioether composite material of high content of glass fiber as described in claim 1, which is characterized in that glass fibers
Dimension enhancing polyphenyl thioether composite material is using glass fabric as raw material.
4. a kind of polyphenyl thioether composite material of high content of glass fiber as claimed in claim 3, which is characterized in that glass fibers
Wei Bu is glass fiber plain cloth, and fibre diameter is 2-20 μm.
5. a kind of polyphenyl thioether composite material of high content of glass fiber as described in claim 1, which is characterized in that coupling agent
For one or both of Silane coupling agent KH550 or silane coupling agent KH560.
6. a kind of preparation side of the polyphenyl thioether composite material of high content of glass fiber as described in any one in claim 1-5
Method includes the following steps：(a) polyphenylene sulfide non-woven fabrics is prepared；(b) glass fabric pre-treatment；(c) glass fabric dipping is even
Join agent；(d) glass fabric obtained in polyphenylene sulfide non-woven cloth and step (c) in above-mentioned steps (a) is weighed, laying is put
It is hot-forming in mold.
7. a kind of preparation method of the polyphenyl thioether composite material of high content of glass fiber as claimed in claim 6, specific
Operation is as follows：Polyphenylene sulfide is sliced the non-woven cloth that different densities specification is prepared as by melt-blown process by step (a)；
(b) glass fibre is put into Muffle furnace high temperature purification process, is then placed in ethanol solution and is ultrasonically treated, after taking-up in
Drying；
(c) glass fibre in above-mentioned steps (b) is put into coupling agent solution and is impregnated, take out drying；
(d) weigh the polyphenylene sulfide non-woven cloth in above-mentioned steps (a) and (c) in obtained glass fabric, a time laying puts
In mold, finally hot-forming on hot press is composite board.
8. a kind of preparation method of the polyphenyl thioether composite material of high content of glass fiber as claimed in claim 6, feature
It is：Step (b) high temperature cleansing temp is 300-450 DEG C, time 2-5h；Glass fibre is put into coupling agent in step (c)
Soaking time is 1-4h in solution.
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| CN110183788A (en) * | 2019-06-26 | 2019-08-30 | 保定威尔达节能科技有限公司 | A kind of fire prevention styrofoam and its production technology |
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Application publication date: 20180824 |