CN101936449A - High-strength combination reinforced thermoplastic composite material board - Google Patents
High-strength combination reinforced thermoplastic composite material board Download PDFInfo
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- CN101936449A CN101936449A CN2009100326861A CN200910032686A CN101936449A CN 101936449 A CN101936449 A CN 101936449A CN 2009100326861 A CN2009100326861 A CN 2009100326861A CN 200910032686 A CN200910032686 A CN 200910032686A CN 101936449 A CN101936449 A CN 101936449A
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Abstract
The invention relates to a thermoplastic composite material, in particular to a high-strength combination reinforced thermoplastic composite material board. The high-strength combination reinforced thermoplastic composite material board has a three-layer structure and comprises an upper fabric layer, a lower fabric layer and an extruding layer, wherein both the upper fabric layer and the lower fabric layer are knitted by combined filament yarns formed by glass fibers and polypropylene fibers; and the extruding layer is arranged between the upper fabric layer and the lower fabric layer and formed by uniformly mixing the long glass fibers and the polypropylene. Compared with a long glass fiber reinforced board, the reinforced polypropylene composite material board improves the tensile strength, bending strength and modulus, impact strength, and the like by more than 80 percent along the glass fiber direction of a fabric. A reinforced polypropylene composite material board by combining a bidirectional fabric with the long glass fiber improves strength, modulus, and the like by more than 60 percent in two same directions with the glass fibers in the fabric. The upper fabric layer and the lower fabric layer of the invention adopt the glass fibers which have flowability compared with the long glass fiber, and a part can be reinforced as required; and a middle layer adopts the long glass fibers, and the basic strength of the board can be ensured.
Description
Technical field
The present invention relates to a kind of thermoplastic composite material, particularly relate to a kind of high strength combination and strengthen the thermoplastic composite material plate.
Background technique
Glass fiber reinforced polypropylene composite material is because advantages such as light weight, intensity height, good heat resistance, easy recovery have obtained application widely at aspects such as auto parts and components, structural material, wrapper.During particularly automotive plastic parts is made, be used for a lot of structural member of moulding and half hitch member with roving glass fiber and roving glass fiber felt enhanced polypropylene material, as bumper skeleton, chair framework, instrument desk skeleton, car lower body backplate, preceding end frame etc.
Roving glass fiber strengthens material to be provided with pellet or sheet material form, can injection moulding or compression molding goods, because length of staple is long, the enhancing effect improves greatly than the short glass fiber material; Roving glass fiber felt and continuous glass-fiber felt strengthen material to be provided with sheet material, the compression molding goods, because fiber is long, felt has overall structure, intensity and impact property are best, but material flowability is poor, and required molding pressure is big.The material that strengthens with felt is fit to make structural member or the half hitch member that requires high strength, high-impact, and roving glass fiber strengthens material and is fit to that moulding large size, structure are more complicated, the parts of thin-walled.Sometimes need carry out the part for some parts and strengthen, or the enhancing of a certain direction, strengthening along its length as the bumper skeleton, front end framework upper supporting traverse strengthens, and it is inapplicable then to seem.
Summary of the invention
Purpose of the present invention promptly provides a kind of high strength combination and strengthens the thermoplastic composite material plate, and surface layer has local or unidirectional enhancing effect, and flowing and be full of die cavity in the mesosphere, guarantees that the goods of moulding are complete.
The object of the present invention is achieved like this: a kind of high strength combination strengthens the thermoplastic composite material plate, and its structure has three layers, is upper surface layer, mesosphere, undersurface layer successively.The fabric layer of the mixed fiber yarn that upper and lower two surface layers all obtain with glass and the compound wire drawing of polypropylene fiber forms, and fabric can be the unidirectional braiding of mixed fiber yarn, can be two-way braiding also, and glass fiber content is 55～65% in the fabric.The mesosphere is the extruding layer that roving glass fiber and polypropylene mix.Three-decker is compound under the hot melt state, the cooling back obtains.
The present invention compares with the roving glass fiber reinforcement plate with one-way fabric combination roving glass fiber enhanced polypropylene composite panel, reaches more than 80% along its tensile strength of fabric glass direction, resistance to flexure and increase rates such as modulus and impact strength.And with bidirectional fabric combination roving glass fiber enhanced polypropylene composite panel, at the both direction identical with glass in the fabric, increase rates such as its intensity and modulus are all more than 60%.The present invention's fabric layer up and down adopts glass, has flowability than roving glass fiber, can strengthen in certain part as required, and roving glass fiber is adopted in the mesosphere, can guarantee that its fundamental strength is guaranteed.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: the last fabric layer of 1-, 2-extruding layer, fabric layer under the 3-.
Embodiment
With reference to Fig. 1, the present invention has three-decker, comprise by be that mixed fiber yarn that glass and polypropylene fiber form is woven into last fabric layer 1 and following fabric layer 3 and be arranged on and mix the extruding layer 2 that forms by roving glass fiber and polypropylene between the upper and lower fabric layer.The mixed fiber yarn of fabric layer is unidirectional braiding, or is two-way braiding.
Claims (2)
1. a high strength combination strengthens the thermoplastic composite material plate, it is characterized in that: it has three-decker, comprise by be that mixed fiber yarn that glass and polypropylene fiber form is woven into last fabric layer and following fabric layer and be arranged on and mix the extruding layer that forms by roving glass fiber and polypropylene between the upper and lower fabric layer.
2. a kind of high strength combination reinforced composite plate according to claim 1 is characterized in that the mixed fiber yarn of fabric layer is unidirectional braiding, or is two-way braiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100326861A CN101936449A (en) | 2009-06-30 | 2009-06-30 | High-strength combination reinforced thermoplastic composite material board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100326861A CN101936449A (en) | 2009-06-30 | 2009-06-30 | High-strength combination reinforced thermoplastic composite material board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101936449A true CN101936449A (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100326861A Pending CN101936449A (en) | 2009-06-30 | 2009-06-30 | High-strength combination reinforced thermoplastic composite material board |
Country Status (1)
| Country | Link |
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| CN (1) | CN101936449A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248734A (en) * | 2011-05-27 | 2011-11-23 | 常州市华星新材料科技有限公司 | Non-natural continuous filament fabric-reinforced thermoplastic plastic sandwich composite plate |
| CN103640230A (en) * | 2013-11-28 | 2014-03-19 | 浙江理工大学 | Preparation method of basalt fiber-glass fiber-polypropylene fiber composite material |
| CN105383102A (en) * | 2015-12-21 | 2016-03-09 | 浙江华江科技股份有限公司 | Expandable high-bonding and high-sound-absorption paper honeycomb composite board and manufacturing method thereof |
| CN106977816A (en) * | 2017-05-18 | 2017-07-25 | 上海安凸塑料添加剂有限公司 | A kind of halogen-free flameproof mixed fiber yarn fabric laminate and preparation method thereof |
| CN107081945A (en) * | 2017-04-11 | 2017-08-22 | 夏胜军 | A kind of new-energy automobile backrest composite sheet and preparation method thereof |
| CN108162546A (en) * | 2017-12-11 | 2018-06-15 | 浙江华江科技股份有限公司 | A kind of automobile-used light-high-strength glass fiber reinforced polypropylene composite board |
| 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 |
-
2009
- 2009-06-30 CN CN2009100326861A patent/CN101936449A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248734A (en) * | 2011-05-27 | 2011-11-23 | 常州市华星新材料科技有限公司 | Non-natural continuous filament fabric-reinforced thermoplastic plastic sandwich composite plate |
| CN103640230A (en) * | 2013-11-28 | 2014-03-19 | 浙江理工大学 | Preparation method of basalt fiber-glass fiber-polypropylene fiber composite material |
| CN103640230B (en) * | 2013-11-28 | 2016-01-20 | 浙江理工大学 | The preparation method of basalt fibre, glass fibre and polypropylene fiber composite |
| CN105383102A (en) * | 2015-12-21 | 2016-03-09 | 浙江华江科技股份有限公司 | Expandable high-bonding and high-sound-absorption paper honeycomb composite board and manufacturing method thereof |
| CN107081945A (en) * | 2017-04-11 | 2017-08-22 | 夏胜军 | A kind of new-energy automobile backrest composite sheet and preparation method thereof |
| CN106977816A (en) * | 2017-05-18 | 2017-07-25 | 上海安凸塑料添加剂有限公司 | A kind of halogen-free flameproof mixed fiber yarn fabric laminate and preparation method thereof |
| CN106977816B (en) * | 2017-05-18 | 2020-06-09 | 上海安凸塑料添加剂有限公司 | Halogen-free flame-retardant hybrid fiber yarn fabric laminated board and preparation method thereof |
| CN108162546A (en) * | 2017-12-11 | 2018-06-15 | 浙江华江科技股份有限公司 | A kind of automobile-used light-high-strength glass fiber reinforced polypropylene composite board |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110105 |