CN103963395A - Color continuous fiber/polypropylene composite sheet material and preparation method thereof - Google Patents
Color continuous fiber/polypropylene composite sheet material and preparation method thereof Download PDFInfo
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- CN103963395A CN103963395A CN201310034184.9A CN201310034184A CN103963395A CN 103963395 A CN103963395 A CN 103963395A CN 201310034184 A CN201310034184 A CN 201310034184A CN 103963395 A CN103963395 A CN 103963395A
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Abstract
The invention belongs to the technical field of composite sheet materials, and relates to a continuous fiber/polypropylene composite sheet material and a preparation method thereof. The composite sheet material comprises a substrate and a protection film on at least one side of the substrate. Compared with the prior art, the invention adopts a pre-heat rolling mode for film coating and does not need gluing, so that the process is simple and environment-friendly and the bonding between the protection film and the substrate is firm. The color of the sheet material can be designed flexibly, and moreover, a functional auxiliary agent can be added so that a good appearance decoration effect is added on the basis that a good mechanical performance of the substrate is protected. Besides, the sheet material may have anti-static, age-proof, flame-retardant, and other functions selectively. According to the invention, the film coating is conducted directly in a sheet material preparation technology so that the technology is simple; and the film has good protection and decoration effects on the sheet material.
Description
Technical field
The invention belongs to composite board technical field, relate to a kind of continuous fiber/composite polypropylene board and preparation method thereof.
Background technology
Continuous fiber thermoplastic composite has excellent mechanical property, resistance to chemical attack, and recoverable, can alternative metals material in the application of a lot of occasions, and under the policy of national energy-saving environmental protection, its Application and Development has obtained huge development in recent years.Many application scenarios require the outward appearance of various colours and suitable material protection, conventionally solution is directly in sheet material manufacture process, to add pigment or toner, but tend to like this affect interface combination between component, cause the mechanical performance of material own to decline, cover at composite material surface the film that one deck has specific function and not only kept the mechanical performance of original material but also can reach the apparent demand of material; In addition, common coating technique need to apply the adhesive that contains solvent flashing, and this is complex process but also environmental protection not only.
Summary of the invention
Object of the present invention be exactly for overcome prior art exist defect and a kind of colored continuous fiber/composite polypropylene board and preparation method thereof is provided.
For achieving the above object, the present invention is by the following technical solutions:
A kind of colorful covering membrane continuous fiber/composite polypropylene board, this composite board comprises substrate and is arranged at the protective film of at least one side of substrate.
Described substrate comprises single or multiple lift continuous fiber/polypropylene prepreg tape.
Described multilayer continuous fiber/polypropylene prepreg tape is 3-20 layer.
Described continuous fiber prepreg tape is made up of the polypropylene of the continuous fiber that comprises 40-80 weight portion and 20-60 weight portion.
In described continuous fiber polypropylene prepreg tape, continuous fiber is selected from one or more in glass fibre, carbon fiber, aramid fiber or superhigh molecular weight polyethylene fibers; Wherein the form of continuous fiber comprises unidirectional fibre, fibrofelt or fibre knitting cloth.
The thickness of described protective film is 0.05-0.25mm.
Described protective film is made up of the component that comprises following mass parts:
Described colouring agent is selected from titanium dioxide, zinc oxide, lithopone, carbon black, cadmium sulfide, chromium titanium iron oxide, plumbous chromate, NiTi, sulfo-selenizing chromium, cadmium sulfide, cobalt aluminate, phthalocyanine, benzimidazolone or two diazonium.
Described fire retardant is selected from antimony oxide, magnesium hydroxide, aluminium hydroxide, APP, eight bromo ether, triphenyl phosphate, HBCD, Firebrake ZB, encapsulated red phosphorus, TDE, two (2,3-dibromopropyl) ether or the HBCDs of tetrabromobisphenol A.
The steady agent of described light is selected from two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 2,4-dihydroxy-Benzophenone, 2-(2 '-hydroxyl-5 '-) BTA, 2-(2 '-hydroxyl-3 '-tert-butyl group-5 ' aminomethyl phenyl)-5-chlorinated benzotriazole, UV-531,2-hydroxyl-4-dodecyloxy benzophenone or 4-benzoyloxy-2,2,6,6-tetramethyl piperidine.
Described antistatic additive is selected from carbon black, nano zine oxide, graphite, alcohol ether phosphate monoester, sodium alkyl sulfate, polyglycerol ester, PEO, polyetheramides, monoethanolamine or macrogol ester.
Described protective film is to be processed by the mode of extruding curtain coating.
Described colouring agent, fire retardant, light stabilizer, antistatic additive form with master batch in manufacture thin-film process are added.
A preparation method for above-mentioned colorful covering membrane continuous fiber/composite polypropylene board, comprises the steps:
(1) the some layers of continuous fiber polypropylene prepreg tape as substrate are unreeled to laying through unwinding device, by pressure roller pressing, send into heater preheating through conveying device, meanwhile, protective film is imported to upper and lower press bonding roller, regulate the spacing of upper and lower press bonding roller, make protective film and continuous fiber polypropylene prepreg tape, and between each layer of continuous fiber polypropylene prepreg tape, combine together through roll-in;
(2) then through cutting means, deburring cuts, and final product is collected by product collecting device.
In described step (1), the temperature of heater is between 200 DEG C-300 DEG C; Described product is sheet material or the sheet material of coiled material or fixed length.
Described protective film imports upper and lower press bonding roller before through surface treatment, and wherein said surface treatment is plasma treatment or sided corona treatment.
Target of the present invention is the sheet material that substitutes some metal materials, needs the occasion of overlay film, and sheet metal overlay film mostly adopts and sprays paint, and this technique causes very large pollution to environment, and this mode overlay film can not pollute.
In prior art, common acrylic resin composite is that colouring agent is joined in resin substrate, can make so the mechanical properties decrease of composite board own, and it is better that this patent adopts overlay film to reach surface effect, and not taking loss sheet material mechanical property as cost.
Conventionally film-coated plate film must have multilayer unlike material film, at least need a kind of articulamentum, this patent adopts polyethylene and polypropylene material film and the compatibility of sheet material own good, adopt the mode of hot pressing just to make sheet material and superficial layer connect to one, directly cover thin film and can reach surface effect.
Compared with prior art, the present invention has the following advantages:
(1) by the mode overlay film of preheating roll-in, do not need gluing, the simple environmental protection of process, protective film and base material bonding are firmly.
(2) product colour can flexible design; but also can add functional aid; not only increase good appearance decorative effect having protected on the mechanical performance basis that base material is good, and can make to the property selected sheet material realize the functions such as antistatic, anti-aging, fire-retardant.
Brief description of the drawings
Fig. 1 is the cross-sectional view of single-sided colored overlay film continuous fiber/composite polypropylene board.
Fig. 2 is the cross-sectional view of double-faced color overlay film continuous fiber/composite polypropylene board.
Fig. 3 is preparation technology's schematic diagram of colorful covering membrane continuous fiber/composite polypropylene board in the embodiment of the present invention.
Accompanying drawing mark:
1 substrate, 2 protective films,
31 unwinding devices, 32 pressure rollers,
33 conveying devices, 34 heaters,
351,352 upper and lower deflector rolls,
361,362 upper and lower surface processing devices,
37 press bonding rollers, 38 deburring cutting means,
39 wrap-ups.
Detailed description of the invention
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further illustrated.
Table 1
Embodiment 1
As shown in Figure 1, a kind of blue overlay film unidirectional continuous glass fibre/PP sheet material of one side (layers of material is in table 1), its structure is two-layer layer structure, is followed successively by from top to bottom the substrate 1 that continuous glass fibre/PP composite board is made, the protective film 2 of blue PE/PP cast film;
As shown in Figure 33 layers of unidirectional continuous fiber/PP prepreg tape as substrate 1 are unreeled to laying through unwinding device 31, after pressure roller 32 pressings, send into heater 34 preheatings by conveying device 33, heating-up temperature is 200 DEG C, meanwhile, blue protective film 2 PE/PP cast film is imported to upper and lower press bonding roller 37 by deflector roll 351, regulate the spacing of upper and lower press bonding roller 37, make blue PE/PP cast film and continuous fiber/PP prepreg tape, and combine together through roll-in between each layer of prepreg tape and prepreg tape;
Then through cutting means, 38 deburrings cut, and final product, by installing 39 collections, obtains blue overlay film continuous glass fibre/PP sheet material.
Embodiment 2
Referring to a kind of double-sided red wrapping film continuous carbon fibre/PP coiled material of Fig. 2 (layers of material is in table 1); its structure is that (both sides of substrate 1 are equipped with respectively protective film 2, protective film 3 for the layer structure of three layers;); the substrate 1 that the long and slender dimension/PP of continuous carbon composite board layer makes, the protective film 2 of the PE/PP thin layer that redness contains antistatic additive, protective film 3.
Shown in Figure 3 11 layers of unidirectional continuous fiber/PP prepreg tape as substrate 1 more than 3 layers are unreeled to laying through unwinding devices 31, send into heater 34 preheatings through conveying device 33, heating-up temperature is 240 DEG C, meanwhile, red PE/PP film is imported to upper and lower press bonding roller 37 through deflector roll 351,352, regulate the spacing of upper and lower press bonding roller 37, make red PE/PP film and unidirectional continuous fiber/PP prepreg tape as protective film 2, and combine together through roll-in between unidirectional continuous fiber/PP prepreg tape and unidirectional continuous fiber/PP prepreg tape;
Then through cutting means, 38 deburrings cut, and final product, by installing 39 collections, obtains the red overlay film continuous glass-fiber/PP coiled material with anti-static function.
Embodiment 3
Referring to a kind of one side milky overlay film continuous aramid fiber/PP sheet material of Fig. 1 (layers of material is in table 1); its structure is two-layer layer structure; be followed successively by from top to bottom the continuous carbon fibre/PA composite board layer as substrate 1, contain the milky PE/PP thin layer as the steady agent of light of protective film 2.
Shown in Figure 3,3 layers of unidirectional continuous aramid fiber/PP prepreg tape as substrate 1 are unreeled to laying through unwinding device 331, send into heater 34 preheatings through conveying device 33, heating-up temperature is 220 DEG C, meanwhile, after corona treatment plant 351 is processed, import upper and lower press bonding roller 37 through deflector roll 361 by the milky PE/PP film as protective film 2, regulate the spacing of upper and lower press bonding roller 37, milky PE/PP film and prepreg tape are combined together through roll-in;
Then through cutting means, 38 deburrings cut, and final product, by installing 39 collections, obtains having fixed length one side white overlay film continuous aramid fiber/PP sheet material of light aging resisting.
Embodiment 4
As Fig. 1, a kind of one side grey overlay film continuous glass fibre/PP sheet material (layers of material is in table 1), its structure is two-layer layer structure, is followed successively by from down to up the substrate 1 that glass mat/PP composite board layer is made, the protective film 2 of the grey PE/PP thin layer that contains fire retardant;
Shown in Figure 3 20 layers of glass mat/PP sheet material as substrate 1 are sent into heater 34 preheatings through conveying devices 33, heating-up temperature is 280 DEG C, meanwhile, grey PE/PP film as protective film 2 is imported to upper and lower press bonding roller 37 through deflector roll 351, regulate the spacing of upper and lower press bonding roller 37, make film and prepreg tape, and combine together through roll-in between sheet material and sheet material;
Then through cutting means, 38 deburrings cut, and final product, by installing 39 collections, obtains the fire-retardant overlay film continuous glass fibre/PP of grey sheet material.
Embodiment 5
As shown in Figure 1, a kind of blue overlay film continuous superhigh molecular weight polyethylene fibers/PP sheet material of one side (layers of material is in table 1), its structure is two-layer layer structure, be followed successively by from top to bottom the substrate 1 that continuous superhigh molecular weight polyethylene fibers/PP composite board is made, the protective film 2 of blue PE/PP cast film;
As shown in Figure 33 layers of unidirectional continuous superhigh molecular weight polyethylene fibers/PP prepreg tape as substrate 1 are unreeled to laying through unwinding device 31, after pressure roller 32 pressings, send into heater 34 preheatings by conveying device 33, heating-up temperature is 260 DEG C, meanwhile, blue protective film 2 PE/PP cast film is imported to upper and lower press bonding roller 37 by deflector roll 351, regulate the spacing of upper and lower press bonding roller 37, make blue PE/PP cast film and continuous fiber/PP prepreg tape, and combine together through roll-in between each layer of prepreg tape and prepreg tape;
Then through cutting means, 38 deburrings cut, and final product, by installing 39 collections, obtains the continuous superhigh molecular weight polyethylene fibers/PP of blue overlay film sheet material.
Embodiment 6
As shown in Figure 2, a kind of two-sided white overlay film continuous glass fibre/PP sheet material (layers of material is in table 1), its structure is two-layer layer structure, be followed successively by from top to bottom as the white PE/PP cast film of protective film 2, the substrate 1 that continuous glass fibre/PP composite board makes, as the white PE/PP cast film of protective film 3;
As shown in Figure 37 layers of continuous fiber woven cloth/PP prepreg tape are unreeled to laying through unwinding device 31, after pressure roller 32 pressings, send into heater 34 preheatings by conveying device 33, heating-up temperature is 300 DEG C, meanwhile, by white PE/PP cast film by deflector roll 351,, 352 import upper and lower press bonding roller 37, regulate the spacing of upper and lower press bonding roller 37, make white PE/PP cast film and continuous fiber/PP prepreg tape, and combine together through roll-in between each layer of prepreg tape and prepreg tape;
Then through cutting means, 38 deburrings cut, and final product, by installing 39 collections, obtains white overlay film continuous glass fibre/PP sheet material.
Following table is embodiment 1 ~ 6 product appearance effect and the performance test results in table 2:
Table 2
| Embodiment | Overlay film surface effect | Caking property |
| 1 | Well | Well |
| 2 | Well | Well |
| 3 | Well | Well |
| 4 | Well | Well |
| 5 | Well | Well |
| 6 | Well | Well |
In table 2, the adhesive property method of testing of coating layer and sheet material is: sheet material is peeled off into separating layer with overlay film, longitudinally draw the wide plastic film bar of 1cm with cutter, reflexed becomes 180 °, then take advantage of a situation and tear, plastic film is as neat in ruptured, and shows that caking property is good, plastic film, as irregular de-disconnected, shows that caking property is bad.
Table 3
| Embodiment | Hot strength MPa | Embodiment | Hot strength MPa |
| 1 | 321 | 7 | 246 |
| 2 | 303 | 8 | 233 |
| 3 | 294 | 9 | 272 |
| 4 | 280 | 10 | 207 |
| 5 | 230 | 11 | 192 |
| 6 | 409 | 12 | 368 |
Table 3 is the plate stretch strength test contrasts that obtain by above-described embodiment, and testing standard is GB/T1447-2005.
Can be found out by the above results, adopt this patent mentioned method to carry out overlay film process simple, coating layer and sheet material caking property are good, and sheet material is played to good protection and decorative effect.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various amendments to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from improvement and the amendment that category of the present invention makes all should be within protection scope of the present invention.
Claims (10)
1. colorful covering membrane continuous fiber/composite polypropylene board, is characterized in that: this composite board comprises substrate and is arranged at the protective film of at least one side of substrate.
2. colorful covering membrane continuous fiber/composite polypropylene board according to claim 1, is characterized in that: described substrate comprises single or multiple lift continuous fiber/polypropylene prepreg tape.
3. colorful covering membrane continuous fiber/composite polypropylene board according to claim 2, is characterized in that: described multilayer continuous fiber/polypropylene prepreg tape is 3-20 layer.
4. colorful covering membrane continuous fiber/composite polypropylene board according to claim 2, is characterized in that: described continuous fiber prepreg tape is made up of the polypropylene of the continuous fiber that comprises 40-80 weight portion and 20-60 weight portion.
5. colorful covering membrane continuous fiber/composite polypropylene board according to claim 4, is characterized in that: in described continuous fiber polypropylene prepreg tape, continuous fiber is selected from one or more in glass fibre, carbon fiber, aramid fiber or superhigh molecular weight polyethylene fibers; Wherein the form of continuous fiber comprises unidirectional fibre, fibrofelt or fibre knitting cloth.
6. colorful covering membrane continuous fiber/composite polypropylene board according to claim 1, is characterized in that: described protective film is made up of the component that comprises following mass parts:
7. colorful covering membrane continuous fiber/composite polypropylene board according to claim 6, is characterized in that: described colouring agent is selected from titanium dioxide, zinc oxide, lithopone, carbon black, cadmium sulfide, chromium titanium iron oxide, plumbous chromate, NiTi, sulfo-selenizing chromium, cadmium sulfide, cobalt aluminate, phthalocyanine, benzimidazolone or two diazonium;
Or described fire retardant is selected from antimony oxide, magnesium hydroxide, aluminium hydroxide, APP, eight bromo ether, triphenyl phosphate, HBCD, Firebrake ZB, encapsulated red phosphorus, TDE, two (2,3-dibromopropyl) ether or the HBCDs of tetrabromobisphenol A;
Or the steady agent of described light is selected from two (2,2,6,6-tetramethyl-4-piperidyl) sebacate, 2,4-dihydroxy-Benzophenone, 2-(2 '-hydroxyl-5 '-) BTA, 2-(2 '-hydroxyl-3 '-tert-butyl group-5 ' aminomethyl phenyl)-5-chlorinated benzotriazole, UV-531,2-hydroxyl-4-dodecyloxy benzophenone or 4-benzoyloxy-2,2,6,6-tetramethyl piperidine;
Or described antistatic additive is selected from carbon black, nano zine oxide, graphite, alcohol ether phosphate monoester, sodium alkyl sulfate, polyglycerol ester, PEO, polyetheramides, monoethanolamine or macrogol ester.
8. according to the colorful covering membrane continuous fiber/composite polypropylene board described in claim 6 or 7, it is characterized in that: described protective film is processed by the mode of extruding curtain coating;
Or the thickness of described protective film is 0.05-0.25mm.
9. a preparation method for arbitrary described colorful covering membrane continuous fiber/composite polypropylene board in the claims 1-8, is characterized in that: comprise the steps:
(1) the some layers of continuous fiber polypropylene prepreg tape as substrate are unreeled to laying through unwinding device, by pressure roller pressing, send into heater preheating through conveying device, meanwhile, protective film is imported to upper and lower press bonding roller, regulate the spacing of upper and lower press bonding roller, make protective film and continuous fiber polypropylene prepreg tape, and between each layer of continuous fiber polypropylene prepreg tape, combine together through roll-in;
(2) then through cutting means, deburring cuts, and final product is collected by product collecting device.
10. preparation method according to claim 9, is characterized in that: in described step (1), the temperature of heater is between 200 DEG C-300 DEG C; Described product is sheet material or the sheet material of coiled material or fixed length;
Or described protective film imports before upper and lower press bonding roller through surface treatment, wherein said surface treatment is plasma treatment or sided corona treatment.
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| CN201310034184.9A CN103963395A (en) | 2013-01-29 | 2013-01-29 | Color continuous fiber/polypropylene composite sheet material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622456A (en) * | 2020-05-21 | 2020-09-04 | 安吉正源塑木装饰材料有限公司 | High-strength carbon fiber composite floor and forming method |
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