CN109720061A - A kind of high-strength light continuous fiber reinforcement skis and preparation method thereof - Google Patents
A kind of high-strength light continuous fiber reinforcement skis and preparation method thereof Download PDFInfo
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- CN109720061A CN109720061A CN201711043695.1A CN201711043695A CN109720061A CN 109720061 A CN109720061 A CN 109720061A CN 201711043695 A CN201711043695 A CN 201711043695A CN 109720061 A CN109720061 A CN 109720061A
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- 239000000853 adhesive Substances 0.000 claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 239000011199 continuous fiber reinforced thermoplastic Substances 0.000 claims abstract description 25
- 239000002344 surface layer Substances 0.000 claims abstract description 22
- 238000000465 moulding Methods 0.000 claims abstract description 12
- -1 polypropylene Polymers 0.000 claims description 50
- 239000004743 Polypropylene Substances 0.000 claims description 47
- 229920001155 polypropylene Polymers 0.000 claims description 47
- 239000003365 glass fiber Substances 0.000 claims description 27
- 239000004700 high-density polyethylene Substances 0.000 claims description 22
- 229920001903 high density polyethylene Polymers 0.000 claims description 17
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 15
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 15
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- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 10
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 10
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Abstract
The invention discloses a kind of high-strength light continuous fiber reinforcement skises and preparation method thereof, the skis includes that the surface layer successively mutually pasted, enhancement layer, sandwich layer, enhancement layer and bottom are constituted, wherein, enhancement layer is made by continuous fiber reinforced thermoplastic prepreg tape, by spraying high-strength low temperature adhesive between every layer, molding obtains high-strength light continuous fiber reinforcement skis.The resulting skis of the present invention solves the problems, such as existing skis intensity anisotropy as enhancement layer using the continuous fiber reinforced thermoplastic prepreg tape that 0 °, 90 ° directions of continuous fiber intersect, improve the performance of skis resistance to compression bending resistance, increase intensity and toughness, impact resistance, in addition use material for thermoplastic material, conducive to recycling, environmental pollution is avoided.
Description
Technical field
The invention belongs to technical field of composite materials, and in particular to a kind of high-strength light continuous fiber reinforcement skis and its
Preparation method.
Background technique
The material of skis is various, and earliest skis is made of timber, has the advantages that density low-intensity is high, but
It is that the fibre structure of timber forms the anisotropy of height, intensity is lower under twisting states.And after timber is easy dampness
Physical property changes, and wood fibre is easy to become fragile and fracture after stretching repeatedly.With the development of science and technology the cunning that unlike material is compound
Snow slab is increasingly liked by Ski amateur because it has excellent performance.Existing skis common used material is same with thermosetting compound material,
It can not recycle, pollute environment；And skis quality weight, intensity is low, and low temperature resistant effect is poor.
Summary of the invention
In view of the deficiencies of the prior art, primary and foremost purpose is to provide a kind of high-strength light continuous fiber reinforcement skiing to the present invention
Plate.
Second object of the present invention is to provide a kind of preparation method of high-strength light continuous fiber reinforcement skis.
In order to achieve the above objectives, solution of the invention is:
A kind of high-strength light continuous fiber reinforcement skis includes the surface layer successively mutually pasted, enhancement layer, sandwich layer, enhancing
Layer and bottom are constituted.
The sandwich layer is made by long fiber reinforcement expanded polypropylene, and the long fiber reinforcement expanded polypropylene contains 10wt%
The long fibre of~25wt% and the expanded polypropylene of 75wt%~90wt%.
The long fibre is one of glass fibre and carbon fiber, and fibre length is 8~10mm, fibre diameter 13-17 μ
m；
The density of the sandwich layer is 0.35~0.45g/cm3, 3.5~4.5mm of thickness.
The enhancement layer is made for continuous fiber reinforced thermoplastic prepreg tape, with a thickness of 0.5~0.9mm；
The continuous fiber reinforced thermoplastic prepreg tape contains the continuous fiber and 30wt%- of 55wt%-70wt%
The thermoplastic resin of 45wt%；
The thermoplastic resin is one of polypropylene (PP), polyethylene (PE), polyethylene terephthalate (PET)
More than, the melt index of the thermoplastic resin is 70-120g/10min.
Continuous fiber in the continuous fiber reinforced thermoplastic prepreg tape is according to 0 degree, 90 degree of direction cross arrangements；
The continuous fiber is one or more of glass fibre, carbon fiber, aramid fiber.
The surface layer is made by acrylonitrile-butadiene-styrene copolymer (ABS), and density is 1.0~1.1g/cm3, thick
Degree is 0.5~0.7mm.
The bottom is made by wear-resisting high density polyethylene (HDPE) (HDPE), and density is 0.940~0.960g/cm3, thickness 1.3
~1.8mm.
It is bonded between each layer of the skis by high-strength low temperature adhesive, the high-strength low temperature adhesive is third
Olefin(e) acid adhesive.
A kind of preparation method of high-strength light continuous fiber reinforcement skis, includes the following steps:
It is sequentially placed into bottom, enhancement layer, sandwich layer, enhancement layer and surface layer in skiing board mold bottom, is sprayed between every layer
High-strength low temperature adhesive, covers mold, and molding obtains high-strength light continuous fiber reinforcement skis.Every interlayer glue-spread is
120~150g/m2, molding pressure is 3~5MPa, and the time is 20~40min.
The sandwich layer is made by long fiber reinforcement expanded polypropylene, and the long fiber reinforcement expanded polypropylene contains 10wt%
The long fibre of~25wt% and the expanded polypropylene of 75wt%~90wt%；The long fibre is in glass fibre and carbon fiber
One kind, fibre length are 8~10mm；
The density of the sandwich layer is 0.35~0.45g/cm3, 3.5~4.5mm of thickness；
The enhancement layer is made for continuous fiber reinforced thermoplastic prepreg tape, with a thickness of 0.5~0.9mm；
The continuous fiber reinforced thermoplastic prepreg tape contain 55wt%~70wt% continuous fiber and 30wt%~
The thermoplastic resin of 45wt%；The thermoplastic resin is polypropylene (PP), polyethylene (PE), polyethylene terephthalate
One or more of (PET)；Continuous fiber in the continuous fiber reinforced thermoplastic prepreg tape is according to 0 degree, 90 degree of directions
Cross arrangement；The continuous fiber is one or more of glass fibre, carbon fiber, aramid fiber；
The surface layer is made by acrylonitrile-butadiene-styrene copolymer (ABS), and density is 1.0~1.1g/cm3, thick
Degree is 0.5~0.7mm；
The bottom is made by wear-resisting high density polyethylene (HDPE) (HDPE), and density is 0.940~0.960g/cm3, thickness 1.3
~1.8mm；
The high-strength low temperature adhesive is acrylic acid adhesive.
By adopting the above scheme, the beneficial effects of the present invention are:
The first, products obtained therefrom of the present invention uses HDPE for bottom, wear-resisting, and effective anti-scratch, cracky, does not improve and use the longevity
Life；Coefficient of friction is low, enhancing skiing speed.
The second, the continuous fiber reinforcement thermoplastic that products obtained therefrom enhancement layer of the present invention uses 0 °, 90 ° directions of continuous fiber to intersect
Property prepreg tape, transverse and longitudinal direction intensity is high and uniform, solves the problems, such as existing skis intensity anisotropy, and it is anti-to improve skis
Anti-bending strength is pressed, intensity and toughness, impact resistance are increased.
Third, products obtained therefrom of the present invention use long fiber reinforcement expanded polypropylene for sandwich layer, and density is small, light-weight, intensity
Height has both rigidity and toughness, and chemical resistance is excellent, has preferable resistance to high/low temperature performance, the property in -40-90 DEG C of temperature ranges
It can stablize, skis use environment can be better met, it is environment-protecting and non-poisonous, it can be recycled.
4th, products obtained therefrom lower temperature resistance of the present invention is good, can be used for a long time within the scope of -40 DEG C~0 DEG C.
5th, for products obtained therefrom of the present invention using acrylic acid adhesive as adhesive, lower temperature resistance is good, and odorlessness is without waving
Hair, the feature of environmental protection are good.
6th, the material that products obtained therefrom of the present invention uses can recycle for thermoplastic material, avoid pollution environment.
Specific embodiment
The present invention provides a kind of high-strength light continuous fiber reinforcement skises and preparation method thereof.
<high-strength light continuous fiber reinforcement skis>
The skis is made of surface layer, enhancement layer, sandwich layer, enhancement layer and the bottom successively mutually pasted.
The sandwich layer is made by long fiber reinforcement expanded polypropylene, and the long fiber reinforcement expanded polypropylene can contain
The long fibre of 10wt%~25wt% and the expanded polypropylene of 75wt%~90wt%.
The long fibre is one of glass fibre and carbon fiber, and fibre length can be between 8~10mm, and fiber is straight
Diameter can be between 13-17 μm；
The density of the sandwich layer is in 0.35~0.45g/cm3Between, thickness can be between 3.5~4.5mm.
The enhancement layer is made for continuous fiber reinforced thermoplastic prepreg tape, and thickness can be between 0.5~0.9mm；
The continuous fiber reinforced thermoplastic prepreg tape contains continuous fiber and 30wt% between 55wt%~70wt%
Thermoplastic resin between~45wt%；
The thermoplastic resin can be in polypropylene (PP), polyethylene (PE), polyethylene terephthalate (PET)
More than one, the melt index of the thermoplastic resin is possible between 70-120g/10min.
Continuous fiber in the continuous fiber reinforced thermoplastic prepreg tape is according to 0 degree, 90 degree of direction cross arrangements；
The continuous fiber can be one of glass fibre, carbon fiber, aramid fiber.
The surface layer is made by acrylonitrile-butadiene-styrene copolymer (ABS), and density is in 1.0~1.1g/cm3It
Between, thickness is between 0.5~0.7mm.
The bottom is made by wear-resisting high density polyethylene (HDPE) (HDPE), and density is in 0.940~0.960g/cm3Between, thickness
Between 1.3~1.8mm.
It is bonded between each layer of the skis by high-strength low temperature adhesive, the high-strength low temperature adhesive is third
Olefin(e) acid adhesive.
<preparation method of high-strength light continuous fiber reinforcement skis>
A kind of preparation method of high-strength light continuous fiber reinforcement skis includes the following steps: at skiing board mold bottom
Layer is sequentially placed into bottom, enhancement layer, sandwich layer, enhancement layer and surface layer, sprays high-strength low temperature adhesive between every layer, covers mould
Tool, molding obtain high-strength light continuous fiber reinforcement skis.Every interlayer glue-spread is 120~150g/m2, molding pressure 3
~5MPa, time are 20~40min.
The sandwich layer is made by long fiber reinforcement expanded polypropylene, and the long fiber reinforcement expanded polypropylene contains 10wt%
The long fibre of~25wt% and the expanded polypropylene of 75wt%~90wt%；The long fibre is in glass fibre and carbon fiber
One kind, fibre length are possible between 8~10mm；
The density of the sandwich layer is 0.35~0.45g/cm3, thickness is possible between 3.5~4.5mm；
The enhancement layer is made for continuous fiber reinforced thermoplastic prepreg tape, and thickness is between 0.5~0.9mm can be with
's；
The continuous fiber reinforced thermoplastic prepreg tape contains continuous fiber and 30wt% between 55wt%~70wt%
Thermoplastic resin between~45wt%；The thermoplastic resin can be polypropylene (PP), polyethylene (PE), poly- terephthaldehyde
One of sour second diester (PET)；Continuous fiber in the continuous fiber reinforced thermoplastic prepreg tape is according to 0 degree, 90 degree
Direction cross arrangement；The continuous fiber can be one of glass fibre, carbon fiber, aramid fiber；
The surface layer is made by acrylonitrile-butadiene-styrene copolymer (ABS), and density is 1.0~1.1g/cm3, thick
Degree is possible between 0.5~0.7mm；
The bottom is made by wear-resisting high density polyethylene (HDPE) (HDPE), and density is 0.940~0.960g/cm3, thickness exists
It is possible between 1.3~1.8mm；
The high-strength low temperature adhesive is acrylic acid adhesive.
The present invention is further illustrated with reference to embodiments.
Embodiment 1
Bottom, enhancement layer, sandwich layer, enhancement layer and surface layer, every interlayer all even applications are sequentially placed into slide plate mold bottom
120g/m2Acrylic acid adhesive, cover mold, molding pressure 5MPa be set, trimming obtains high-strength light company after being molded 20min
Continuous fiber reinforcement skis, wherein
Bottom is 0.940g/cm by density3HDPE be made, with a thickness of 1.8mm,
Enhancement layer is the continuous fiber reinforced thermoplastic prepreg tape with a thickness of 0.9mm, content of glass fiber in the prepreg tape
It is 45% for 55%, PP content, glass fibre is according to 0 degree, 90 degree of direction cross arrangements,
Sandwich layer is 0.45g/cm by density3Long fiber reinforcement expanded polypropylene be made, with a thickness of 3.5mm, the long fibre
Content of glass fiber is 10% in enhanced foaming polypropylene, and the content of expanded polypropylene is 90%, glass fibre length 10mm,
Surface layer is 1.1g/cm by density3ABS be made, with a thickness of 0.5mm,
High-strength light continuous fiber reinforcement skis, performance made from the above method are shown in Table 1.
Embodiment 2
Bottom, enhancement layer, sandwich layer, enhancement layer and surface layer, every interlayer all even applications are sequentially placed into slide plate mold bottom
130g/m2Acrylic acid adhesive, cover mold, molding pressure 4MPa be set, trimming obtains high-strength light company after being molded 30min
Continuous fiber reinforcement skis, wherein
Bottom is 0.945g/cm by density3HDPE be made, with a thickness of 1.7mm,
Enhancement layer is the continuous fiber reinforced thermoplastic prepreg tape with a thickness of 0.8mm, and carbon fiber content is in the prepreg tape
60%, PP content are 40%, and carbon fiber is according to 0 degree, 90 degree of direction cross arrangements,
Sandwich layer is 0.40g/cm by density3Long fiber reinforcement expanded polypropylene be made, with a thickness of 4.0mm, the long fibre
Content of glass fiber is 15% in enhanced foaming polypropylene, and the content of expanded polypropylene is 85%, glass fibre length 10mm,
Surface layer is 1.05g/cm by density3ABS be made, with a thickness of 0.55mm,
High-strength light continuous fiber reinforcement skis, performance made from the above method are shown in Table 1.
Embodiment 3
Bottom, enhancement layer, sandwich layer, enhancement layer and surface layer, every interlayer all even applications are sequentially placed into slide plate mold bottom
140g/m2Acrylic acid adhesive, cover upper mold, molding pressure 3MPa be set, trimming obtains high-strength light after being molded 35min
Continuous fiber reinforcement skis, wherein
Bottom is 0.950g/cm by density3HDPE be made, with a thickness of 1.6mm,
Enhancement layer is the continuous fiber reinforced thermoplastic prepreg tape with a thickness of 0.7mm, content of glass fiber in the prepreg tape
It is 35% for 65%, PP content, carbon fiber is according to 0 degree, 90 degree of direction cross arrangements,
Sandwich layer is 0.38g/cm by density3Long fiber reinforcement expanded polypropylene be made, with a thickness of 3.5mm, the long fibre
Content of glass fiber is 20% in enhanced foaming polypropylene, and the content of expanded polypropylene is 80%, glass fibre length 9mm,
Surface layer is 1.05g/cm by density3ABS be made, with a thickness of 0.65mm,
High-strength light continuous fiber reinforcement skis, performance made from the above method are shown in Table 1.
Embodiment 4
Bottom, enhancement layer, sandwich layer, enhancement layer and surface layer, every interlayer all even applications are sequentially placed into slide plate mold bottom
150g/m2Acrylic acid adhesive, cover upper mold, molding pressure 4.5MPa be set, trimming obtains lightweight height after being molded 40min
Strongly continuous fiber reinforcement skis, wherein
Bottom is 0.955g/cm by density3HDPE be made, with a thickness of 1.5mm,
Enhancement layer is the continuous fiber reinforced thermoplastic prepreg tape with a thickness of 0.6mm, content of glass fiber in the prepreg tape
It is 30% for 70%, PET content, glass fibre is according to 0 degree, 90 degree of direction cross arrangements,
Sandwich layer is 0.42g/cm by density3Long fiber reinforcement expanded polypropylene be made, with a thickness of 4.0mm, the long fibre
Content of glass fiber is 20% in enhanced foaming polypropylene, and the content of expanded polypropylene is 80%, glass fibre length 9mm,
Surface layer is 1.0g/cm by density3ABS be made, with a thickness of 0.60mm,
High-strength light continuous fiber reinforcement skis, performance made from the above method are shown in Table 1.
Embodiment 5
Bottom, enhancement layer, sandwich layer, enhancement layer and surface layer, every interlayer all even applications are sequentially placed into slide plate mold bottom
130g/m2Acrylic acid adhesive, cover mold, molding pressure 3.5MPa be set, trimming obtains high-strength light after being molded 25min
Continuous fiber reinforcement skis, wherein
Bottom is 0.960g/cm by density3HDPE be made, with a thickness of 1.3mm,
Enhancement layer is the continuous fiber reinforced thermoplastic prepreg tape with a thickness of 0.5mm, aramid fiber content in the prepreg tape
It is 40% for 60%, PP content, aramid fiber is according to 0 degree, 90 degree of direction cross arrangements,
Sandwich layer is 0.35g/cm by density3Long fiber reinforcement expanded polypropylene be made, with a thickness of 4.5mm, the long fibre
Content of glass fiber is 25% in enhanced foaming polypropylene, and the content of expanded polypropylene is 75%, glass fibre length 8mm,
Surface layer is 1.05g/cm by density3ABS be made, with a thickness of 0.70mm,
High-strength light continuous fiber reinforcement skis, performance made from the above method are shown in Table 1.
Table 1
| Index | Testing standard | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Density (g/cm3) | GB/T 1033 | 0.83 | 0.81 | 0.80 | 0.78 | 0.75 |
| Coefficient of friction | GB/T 10006 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| Lower temperature resistance | GB/T 12584 | - 30 DEG C of flawlesses | - 30 DEG C of flawlesses | - 30 DEG C of flawlesses | - 30 DEG C of flawlesses | - 30 DEG C of flawlesses |
| Compression strength (MPa) | GB/T 1449 | 58.2 | 56.7 | 56.2 | 55.8 | 55.3 |
Present invention high-strength light continuous fiber reinforcement skis produced is close it can be seen from the performance data in table 1
Spend (0.75~0.83g/cm3) lower (less than 0.83g/cm3), excellent in mechanical performance has achieved the purpose that light weight is high-strength；And
Resistance to low temperature is fine, and coefficient of friction is small, provides one kind for Ski amateur and has excellent performance, and uses the high-performance that the time is more long
Skis.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (10)
1. a kind of high-strength light continuous fiber reinforcement skis, it is characterised in that: the skis includes the table successively mutually pasted
Layer, enhancement layer, sandwich layer, enhancement layer and bottom are constituted.
2. skis as described in claim 1, it is characterised in that: the sandwich layer is made by long fiber reinforcement expanded polypropylene,
The long fiber reinforcement expanded polypropylene contains the foaming poly- third of the long fibre and 75wt%~90wt% of 10wt%~25wt%
Alkene.
3. skis as claimed in claim 2, it is characterised in that: the long fibre is one in glass fibre and carbon fiber
Kind, fibre length is 8~10mm, and fibre diameter is 13~17 μm；And/or
The density of the sandwich layer is 0.35~0.45g/cm3, 3.5~4.5mm of thickness.
4. skis as described in claim 1, it is characterised in that: the enhancement layer is by continuous fiber reinforced thermoplastic prepreg tape
It is made, with a thickness of 0.5~0.9mm；
The continuous fiber reinforced thermoplastic prepreg tape contains the continuous fiber and 30wt%~45wt% of 55wt%~70wt%
Thermoplastic resin；
The thermoplastic resin is one or more of polypropylene, polyethylene, polyethylene terephthalate.
5. skis as claimed in claim 4, it is characterised in that: the company in the continuous fiber reinforced thermoplastic prepreg tape
Continuous fiber is according to 0 degree, 90 degree of direction cross arrangements；And/or
The continuous fiber is one or more of glass fibre, carbon fiber, aramid fiber.
6. skis as described in claim 1, it is characterised in that: the surface layer is by acrylonitrile-butadiene-styrene copolymer
It is made, density is 1.0~1.1g/cm3, with a thickness of 0.5~0.7mm.
7. skis as described in claim 1, it is characterised in that: the bottom is made by wear-resisting high density polyethylene (HDPE), density
For 0.940~0.960g/cm3, 1.3~1.8mm of thickness.
8. skis as described in claim 1, it is characterised in that: pass through high-strength low temperature resistant glue between each layer of the skis
Glutinous agent bonding, the high-strength low temperature adhesive are acrylic acid adhesive.
9. a kind of preparation method of the skis as described in claim 1 to 7 is any, characterized by the following steps:
Mold bottom is sequentially placed into bottom, enhancement layer, sandwich layer, enhancement layer and surface layer, sprays high-strength low temperature adhesive between every layer,
Molding obtains high-strength light continuous fiber reinforcement skis.
10. preparation method as claimed in claim 9, it is characterised in that: the molding pressure is 3~5MPa, and clamp time is
20~40min；And/or
The sandwich layer is made by long fiber reinforcement expanded polypropylene, the long fiber reinforcement expanded polypropylene contain 10wt%~
The long fibre of 25wt% and the expanded polypropylene of 75wt%~90wt%；And/or
The long fibre is one of glass fibre and carbon fiber, and fibre length is 8~10mm, and fibre diameter is 13-17 μm；
And/or
The density of the sandwich layer is 0.35~0.45g/cm3, 3.5~4.5mm of thickness；And/or
The enhancement layer is made for continuous fiber reinforced thermoplastic prepreg tape, with a thickness of 0.5~0.9mm；
The continuous fiber reinforced thermoplastic prepreg tape contains the continuous fiber and 30wt%~45wt% of 55wt%~70wt%
Thermoplastic resin；
The thermoplastic resin is one or more of polypropylene, polyethylene, polyethylene terephthalate；And/or
Continuous fiber in the continuous fiber reinforced thermoplastic prepreg tape is according to 0 degree, 90 degree of direction cross arrangements；And/or
The continuous fiber is one or more of glass fibre, carbon fiber, aramid fiber；And/or
The surface layer is made by acrylonitrile-butadiene-styrene copolymer, and density is 1.0~1.1g/cm3, with a thickness of 0.5~
0.7mm；And/or
The bottom is made by wear-resisting high density polyethylene (HDPE), and density is 0.940~0.960g/cm3, 1.3~1.8mm of thickness；With/
Or,
The high-strength low temperature adhesive is acrylic acid adhesive.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896992A (en) * | 2021-11-02 | 2022-01-07 | 无锡会通轻质材料股份有限公司 | Expanded polypropylene bead and molded part thereof |
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Application publication date: 20190507 |