CN103009639B - Production method of continuous glass fabric reinforced thermoplastic sheet - Google Patents
Production method of continuous glass fabric reinforced thermoplastic sheet Download PDFInfo
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- CN103009639B CN103009639B CN201210490157.8A CN201210490157A CN103009639B CN 103009639 B CN103009639 B CN 103009639B CN 201210490157 A CN201210490157 A CN 201210490157A CN 103009639 B CN103009639 B CN 103009639B
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Abstract
The invention discloses a continuous glass fabric reinforced thermoplastic sheet, which uses a packaged continuous glass fabric as an initial material and thermoplastic plastic as a base stock. The production method comprises the following steps of unreeling, flattening, plastic dipping, finishing, thermosetting, molding processing and reeling, wherein the seven steps are continuously produced on a production line. The production method is reasonable and ensures high production efficiency and high finished product quality.
Description
Technical field
What the present invention relates to is a kind of production method of continuous glass-fiber cloth reinforced thermoplastics sheet material, belongs to field of material technology.
Background technology
Continuous glass-fiber cloth reinforced thermoplastics sheet material of the present invention, its thickness, generally at below 1mm, is a kind of synthesis thin material of Sustainable Exploitation.
Described reinforced plastics sheet material, can be directly used in the incrustation of entity product, and also its MULTILAYER COMPOSITE can be bonded to one forms composite board, for the manufacture of the panel etc. of the entity products such as such as floor, furniture and indoor partition.Thus, this described reinforced plastics sheet material, is extensively adopted by every field.
At present, prior art adopts glass fibre or glass fiber bundle as the internal memory reinforcing material of plastic substrate mostly, by multiple method, produces described reinforced plastics sheet material or other goods.The prior art of producing described reinforced plastics sheet material has:
Application number 200580007180.5 disclosed in Chinese patent supplies cyclic oligomer on MULTILAYER COMPOSITE reticular fiber structure, then through formula press and heating and make plastic plate.The main deficiency of this patent application preparation method, be that the full conjunction of infiltration between plastics and fiber is comprehensive, the mechanical performance of manufactured goods is undesirable.
And Chinese Patent Application No. is ZL97114543.1, be adopt there is the extruder of cross-head dies, the continuous glass-fiber of multilayer pre-soaked resin be covered in the surface of plastic basis material or base material and make plastic plate.The main deficiency of this patent application preparation method, be that its glass does not really enter plastic substrate inside, thus the humidification of glass is still unsatisfactory.
And Chinese Patent Application No. 200810233396.9, be by fibre bundle by after the abundant impregnated with molten plastics of pre-stain technique, shaping and through cooling curing by mould, and make reinforced plastics sheet material or other has the product of planform.The production method of this reinforced plastics goods, because its reinforcing material adopted is fibre bundle, instead of continuous tow, it not more fabric, thus the tensile strength of its manufactured goods especially transverse tensile strength, is obviously undesirable, is not enough to production high-intensity plastic product.
And Chinese Patent Application No. is 200710025869.1, after pure glass polypropylene waste material is pulverized granulation, with blended granulations again such as vinyons, thereafter regenerative ratio manufactures the reinforced plastics goods such as sheet material, although this patent application provides waste material reutilization technology, but every mechanical performance of its manufactured goods, obviously pays no attention to, and is not enough to production high-intensity plastic product.
In order to widen to mould Dai Mu, to mould the use field of Dai Gang, research and develop a kind of fiberglass reinforced plastic sheet more advanced than prior art, it is a heat subject of common concern at present in the industry.
Summary of the invention
It is reasonable that the present invention aims to provide a kind of production method, and favorable quality of finished products, the production method of the continuous glass-fiber cloth reinforced thermoplastics sheet material that production efficiency is high, with the needs that satisfied society is growing to described sheet material.
The present invention realizes the conception of its object, and one is adopt continuous glass-fiber cloth to be thermoplastic matrix internal memory reinforcing material, with improve comprehensively manufactured goods sheet material multiaxis to tensile strength; Two is adopt glass-fiber-fabric dipping hot melt plastics technology, makes hot melting plastic infiltrate comprehensively, permeates, wraps up the fiber filament of glass-fiber-fabric, to give full play to internal memory glass-fiber-fabric multiaxis to the effect strengthening matrix plastic comprehensively, improve the performance of manufactured goods sheet material; Three is adopt tiling glass-fiber-fabric technology, that before its leaching is moulded, eliminates glass-fiber-fabric weaves stress, make fiberglass filament be in and loosen extended position, effective fiberglass filament that improves soaks the condition of moulding matrix plastic, matrix plastic is made fully to enter the gap of glass-fiber-fabric and the inside of fiberglass filament, effectively to improve the infiltration combination degree of matrix plastic and glass-fiber-fabric, strengthen the mechanical performance of manufactured goods sheet material; Four is after glass-fiber-fabric impregnation matrix plastics, implements thermal finalization process and forming processes immediately; Make plastics flood glass-fiber-fabric under tiling extended position, loosen and naturally implement thermal finalization process, to eliminate the internal stress that it is formed in front production process, to the negative effect of manufactured goods thin gauge sheet performance, be combined with glass-fiber-fabric with seasonal matrix plastic comprehensively; Then successively respectively via rolloff that is secondary by formula hot roll and cold roll pair, to improve density and both adhesions of matrix plastic and glass-fiber-fabric self further, produce high performance reinforced plastics sheet material of the present invention thereafter; Five is produce continuously on a production line, to increase substantially production efficiency, thus realizes object of the present invention.
Based on the above technical though, the technical scheme that the present invention realizes its object is:
A production method for continuous glass-fiber cloth reinforced thermoplastics sheet material take thermoplastic as base-material, with package continuous glass-fiber cloth for the material that sets out, it is characterized in that, the production method of described sheet material is carried out successively according to the following steps:
A, to unreel; Control glass-fiber-fabric motion drawing tension within the scope of 80 ~ 100NM unreeling in process, and realize centering by correction;
B, flattening; Described flattening, be will unreel glass-fiber-fabric to import flattening device, and be laid on belt conveying platform, make the footpath of glass-fiber-fabric, weft filament unfold straight, eliminate wrinkle;
C, leaching are moulded; Described leaching is moulded, and being by through flattening the glass-fiber-fabric that step flattens, importing and depositing in the dipping box of hot melt modified plastics, implement glass-fiber-fabric leaching and mould; The temperature of described hot melting plastic controls within the scope of 220 ~ 250 DEG C, and leaching moulds time controling within the scope of 1 ~ 2min;
Final finishing is moulded in d, leaching; Post processing is moulded in described leaching, is to mould the glass-fiber-fabric being in the saturated content of described molten plastic of process by through leaching, through surface temperature within the scope of 180 ~ 200 DEG C by the secondary rolloff of formula hot roll; Scraping blade again via the thickness setting spacing by described sheet material is secondary, wipes the described plastics being present in the positive and negative surface of glass-fiber-fabric off; Thereafter the surface temperature equaling described sheet thickness via spacing is again the secondary rolloff of cold roll of normal temperature, makes the described plastics in glass-fiber-fabric surface be in not roll banding state;
E, thermal finalization process; Described thermal finalization process, is glass-fiber-fabric is moulded in the material leaching through flooding post processing import in heat-setting box, and cannot be laid in stickyly on conveyer belt, makes the leaching of described material mould glass-fiber-fabric and is in free relaxation state enforcement thermal finalization process; Described thermal finalization the temperature inside the box controls within the scope of 180 ~ 200 DEG C, and the thermal finalization processing time controls within the scope of 1 ~ 1.5min;
F, forming processes; Described forming processes is that glass-fiber-fabric is moulded in the material leaching through thermal finalization process, imports the hot roll pair of surface temperature within the scope of 180 ~ 200 DEG C and implements hot rolling; Then then import surface temperature be normal temperature roll pair implement cold rolling; Thereafter the shaping continuous glass-fiber-fabric reinforced thermoplastics sheet material of thickness within the scope of 0.4 ~ 1mm is made through naturally cooling again;
G, rolling; Described rolling is by the described formed sheet obtained by heat treatment, wound into a roll, namely completes the production process of described continuous glass-fiber cloth reinforced thermoplastics sheet material;
Describedly to unreel, flatten, soak and mould, soak and mould post processing, thermal finalization process, forming processes, rolling seven steps, a production line carries out continuously; And the travel line speeds control of described production line is within the scope of 3 ~ 4m/min.
By above given purport technical scheme, technical though described before being combined in can understand, present invention achieves the object that it will realize.
In technique scheme, the present invention also advocates, described base-material thermoplastic is modified polypropylene plastic.But being not limited to this, also can be other thermoplastic such as polyethylene or poly-third ethene.
In technique scheme, the present invention also advocates, described glass-fiber-fabric is that grammes per square metre is at 150 ~ 450g/m
2plain weave glass-fiber-fabric or twill glass-fiber-fabric or satin weave glass-fiber-fabric; Its fabric construction is biaxially or multiaxial fabric structures; The warp of described glass-fiber-fabric, weft filament be alkali-free without wax without twisting filament.And described glass-fiber-fabric can be woven cloths, it also can be non-weaving cloth.
In technique scheme, the present invention also advocates, the glass-fiber-fabric of step is moulded in described leaching, is via the fabric guide roll that multiple upper and lower dislocation is arranged in dipping box, and is that the leaching of serpentine line-of-road movement is moulded.Its object is obviously, makes glass-fiber-fabric and hot melting plastic fully flood, and in the gap that hot melting plastic can be made to go deep into glass-fiber-fabric and glass-fiber-fabric weave in long filament, to improve dipping effect further.
In technique scheme, the present invention also advocates, in described modified polypropylene plastic, also containing the one in fire retardant, UV resistant agent and antioxidant or two kinds or three kinds.
In technique scheme, the present invention also advocates, described glass-fiber-fabric imports hot melting plastic after step extrude in case through flattening, and extrude case discharging opening by described, and the dipping box that enters impregnation steps with hot melting plastic curtain coating waterfall implements dipping.
After technique scheme is implemented in full, the production method that the present invention has is reasonable, and the features such as production efficiency is high, favorable quality of finished products are apparent.
Accompanying drawing explanation
Fig. 1 is the manufactured goods structural representation of a kind of detailed description of the invention of the present invention.Glass-fiber-fabric 8 shown in figure is biaxially woven cloths or non-weaving cloth;
Fig. 2 is production line schematic diagram of the present invention; Shown in figure, 1 for unreeling section, and 2 for flattening section, and 3 mould section for leaching, and 4 mould post processing section, 5 thermal finalization sections for leaching, and 6 is shaping section, and 7 is rolling section.
Detailed description of the invention
Below in conjunction with accompanying drawing, by the description of detailed description of the invention, the invention will be further described.
A kind of typical detailed description of the invention, please join and read attached Fig. 1 and 2.
A production method for continuous glass-fiber cloth reinforced thermoplastics sheet material take thermoplastic as base-material, and with package continuous glass-fiber cloth 1-1 for the material that sets out, and the production method of described sheet material is carried out successively according to the following steps:
A, to unreel; Control glass-fiber-fabric motion drawing tension within the scope of 80 ~ 100NM by electronic tensile controller 1-3 unreeling in process, and realize centering by olive roller 1-2 correction;
B, flattening; Described flattening, be will unreel glass-fiber-fabric 1-1 to import flattening device, and be laid on belt conveying platform 2-1, make the footpath of glass-fiber-fabric 1-1, weft filament unfold straight, eliminate wrinkle;
C, leaching are moulded; Described leaching is moulded, and being by through flattening the glass-fiber-fabric 1-1 that step flattens, importing and depositing in the dipping box 3-2 of hot melt modified plastics, implement glass-fiber-fabric leaching and mould; The temperature of described hot melting plastic controls within the scope of 220 ~ 250 DEG C, and leaching moulds time controling within the scope of 1 ~ 2min;
Final finishing is moulded in d, leaching; Post processing is moulded in described leaching, is to mould the glass-fiber-fabric being in the saturated content of described molten plastic of process by through leaching, through surface temperature within the scope of 180 ~ 200 DEG C by formula hot roll secondary 4-1 rolloff; Again via the scraping blade secondary 4-2 of the thickness setting spacing by described sheet material, wipe the described plastics being present in the positive and negative surface of glass-fiber-fabric off; Thereafter the surface temperature equaling described sheet thickness via spacing is again the cold roll secondary 4-3 rolloff of normal temperature, makes the described plastics in glass-fiber-fabric surface be in not roll banding state;
E, thermal finalization process; Described thermal finalization process, is glass-fiber-fabric is moulded in the material leaching through flooding post processing import in heat-setting box 5-1, and cannot be laid in stickyly on foraminous conveyer 5-2, makes the leaching of described material mould glass-fiber-fabric and is in free relaxation state enforcement thermal finalization process; In described heat-setting box 5-1, temperature controls within the scope of 180 ~ 200 DEG C, and the thermal finalization processing time controls within the scope of 1 ~ 1.5min;
F, forming processes; Described forming processes, is that glass-fiber-fabric is moulded in the material leaching through thermal finalization process, imports the hot roll secondary 6-1 of surface temperature within the scope of 180 ~ 200 DEG C and implement hot rolling; Then then import surface temperature be normal temperature roll secondary 6-2 enforcement cold rolling; Thereafter the shaping continuous glass-fiber-fabric reinforced thermoplastics sheet material of thickness within the scope of 0.4 ~ 1mm is made through naturally cooling again;
G, rolling; Described rolling is by the described formed sheet obtained by heat treatment, 7-1 wound into a roll, namely completes the production process of described continuous glass-fiber cloth reinforced thermoplastics sheet material;
Describedly to unreel, flatten, soak and mould, soak and mould post processing, thermal finalization process, forming processes, rolling seven steps, a production line carries out continuously; And the travel line speeds control of described production line is within the scope of 3 ~ 4m/min.
And described base-material thermoplastic, be modified polypropylene plastic.
And described glass-fiber-fabric is that grammes per square metre is at 150 ~ 450g/m
2plain weave glass-fiber-fabric or twill glass-fiber-fabric or satin weave glass-fiber-fabric; Its fabric construction is biaxially or multiaxial fabric structures; The warp of described glass-fiber-fabric, weft filament be alkali-free without wax without twisting filament.
And the glass-fiber-fabric of step is moulded in described leaching, be via the fabric guide roll 3-3 that multiple upper and lower dislocation is arranged in modified polypropylene plastic dipping box 3-2, and be that the leaching of serpentine line-of-road movement is moulded.
And in described modified polypropylene plastic, also containing the one in the UV resistant agents such as fire retardant, titanium dioxide such as APP and antioxidant or two kinds or three kinds.
And described glass-fiber-fabric imports hot melting plastic after step extrude in case 3-1 through flattening, and by described case 3-1 discharging opening of extruding, the dipping box 3-2 that enters impregnation steps with hot melting plastic curtain coating waterfall implements dipping.
And the temperature of the heat-setting box 5-1 of case 3-2 and heat setting step is moulded in the leaching that step is moulded in described leaching, provides and keep by electrical heating; And the temperature of the hot roll secondary 4-1 of Final finishing step and both hot roll secondary 6-1 of forming processes step is moulded in described leaching, provide by roller Inner eycle conduction oil and keep.
The test result of the manufactured goods first sample of the present invention of detailed description of the invention described above is: glass weight percentage 30%, proportion 1.2, tensile strength 130Mpa, bending strength 110 Mpa, bending modulus 4000 Mpa, impact strength 80 Mpa, case hardness 88.6HR, heat distortion temperature 156.6 DEG C, dimension 142.5 DEG C, card, flame retardant rating V
o, described test result shows, the present invention achieves obviously technical economic benefit, achieves original intention of the present invention.
Claims (6)
1. a production method for continuous glass-fiber cloth reinforced thermoplastics sheet material, take thermoplastic as base-material, with package continuous glass-fiber cloth for the material that sets out, it is characterized in that, the production method of described sheet material is carried out successively according to the following steps:
A, to unreel; Control glass-fiber-fabric motion drawing tension within the scope of 80 ~ 100NM unreeling in process, and realize centering by correction;
B, flattening; Described flattening, be will unreel glass-fiber-fabric to import flattening device, and be laid on belt conveying platform, make the footpath of glass-fiber-fabric, weft filament unfold straight, eliminate wrinkle;
C, leaching are moulded; Described leaching is moulded, and being by through flattening the glass-fiber-fabric that step flattens, importing and depositing in the dipping box of hot melt modified plastics, implement glass-fiber-fabric leaching and mould; The temperature of described hot melting plastic controls within the scope of 220 ~ 250 DEG C, and leaching moulds time controling within the scope of 1 ~ 2min;
Final finishing is moulded in d, leaching; Post processing is moulded in described leaching, is to mould the glass-fiber-fabric being in the saturated content of described molten plastic of process by through leaching, through surface temperature within the scope of 180 ~ 200 DEG C by the secondary rolloff of formula hot roll; Scraping blade again via the thickness setting spacing by described sheet material is secondary, wipes the described plastics being present in the positive and negative surface of glass-fiber-fabric off; Thereafter the surface temperature equaling described sheet thickness via spacing is again the secondary rolloff of cold roll of normal temperature, makes the described plastics in glass-fiber-fabric surface be in not roll banding state;
E, thermal finalization process; Described thermal finalization process, is glass-fiber-fabric is moulded in the material leaching through flooding post processing import in heat-setting box, and cannot be laid in stickyly on conveyer belt, makes the leaching of described material mould glass-fiber-fabric and is in free relaxation state enforcement thermal finalization process; Described thermal finalization the temperature inside the box controls within the scope of 180 ~ 200 DEG C, and the thermal finalization processing time controls within the scope of 1 ~ 1.5min;
F, forming processes; Described forming processes is that glass-fiber-fabric is moulded in the material leaching through thermal finalization process, imports the hot roll pair of surface temperature within the scope of 180 ~ 200 DEG C and implements hot rolling; Then then import surface temperature be normal temperature roll pair implement cold rolling; Thereafter the shaping continuous glass-fiber-fabric reinforced thermoplastics sheet material of thickness within the scope of 0.4 ~ 1mm is made through naturally cooling again;
G, rolling; Described rolling is by the described formed sheet obtained by heat treatment, wound into a roll, namely completes the production process of described continuous glass-fiber cloth reinforced thermoplastics sheet material;
Describedly to unreel, flatten, soak and mould, soak and mould post processing, thermal finalization process, forming processes, rolling seven steps, a production line carries out continuously; And the travel line speeds control of described production line is within the scope of 3 ~ 4m/min.
2. the production method of continuous glass-fiber cloth reinforced thermoplastics sheet material according to claim 1, it is characterized in that, described thermoplastic base-material is modified polypropylene plastic.
3. the production method of continuous glass-fiber cloth reinforced thermoplastics sheet material according to claim 1, it is characterized in that, described glass-fiber-fabric is that grammes per square metre is at 150 ~ 450g/m
2plain weave glass-fiber-fabric or twill glass-fiber-fabric or satin weave glass-fiber-fabric; Its fabric construction is biaxially or multiaxial fabric structures; The warp of described glass-fiber-fabric, weft filament be alkali-free without wax without twisting filament.
4. the production method of continuous glass-fiber cloth reinforced thermoplastics sheet material according to claim 1, it is characterized in that, the glass-fiber-fabric of step is moulded in described leaching, is via the fabric guide roll that multiple upper and lower dislocation is arranged in dipping box, and is that the leaching of serpentine line-of-road movement is moulded.
5. the production method of continuous glass-fiber cloth reinforced thermoplastics sheet material according to claim 2, is characterized in that, in described modified polypropylene plastic, also containing the one in fire retardant, UV resistant agent and antioxidant or two kinds or three kinds.
6. the production method of continuous glass-fiber cloth reinforced thermoplastics sheet material according to claim 1, it is characterized in that, described glass-fiber-fabric after flattening step, imports hot melting plastic extrude in case, and extrude case discharging opening by described, with hot melting plastic curtain coating waterfall enter impregnation steps dipping box implement dipping.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210490157.8A CN103009639B (en) | 2012-11-27 | 2012-11-27 | Production method of continuous glass fabric reinforced thermoplastic sheet |
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| CN201210490157.8A CN103009639B (en) | 2012-11-27 | 2012-11-27 | Production method of continuous glass fabric reinforced thermoplastic sheet |
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| CN103009639B true CN103009639B (en) | 2014-12-17 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104552985B (en) * | 2014-12-24 | 2017-04-05 | 广东生益科技股份有限公司 | A kind of production technology and device of slim prepreg |
| CN105109142B (en) * | 2015-09-09 | 2017-11-14 | 郑州翎羽新材料有限公司 | A kind of method that hatch door prepares hatch door with composite sheet and using the sheet material |
| TWI713814B (en) * | 2018-01-26 | 2020-12-21 | 金財興股份有限公司 | Method and device for manufacturing fiber reinforcement composite |
| CN109454879A (en) * | 2018-12-18 | 2019-03-12 | 振石集团华美新材料有限公司 | The production equipment and its technique of wide door width continuous glass-fiber enhancing thermoplasticity preimpregnation sheet material |
Citations (5)
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| GB825004A (en) * | 1954-09-09 | 1959-12-09 | Minnesota Mining & Mfg | Reinforced resinous structural material |
| JP3997252B1 (en) * | 2006-06-12 | 2007-10-24 | 株式会社神戸製鋼所 | Long fiber reinforced resin strand production equipment |
| CN102218828A (en) * | 2011-05-27 | 2011-10-19 | 常州市宏发纵横新材料科技股份有限公司 | Method for preparing continuous fiber multiaxial fabric reinforced thermoplastic composite material |
| CN202186057U (en) * | 2011-04-15 | 2012-04-11 | 王浩 | Continuous forming production line for FRP (Fiber Reinforce Plastic) glass fibre reinforced plastic boards |
| CN202242003U (en) * | 2011-09-30 | 2012-05-30 | 台州市家得宝日用品有限公司 | Manufacturing equipment for continuous fiber reinforced thermoplastic composite material pre-impregnation band |
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2012
- 2012-11-27 CN CN201210490157.8A patent/CN103009639B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB825004A (en) * | 1954-09-09 | 1959-12-09 | Minnesota Mining & Mfg | Reinforced resinous structural material |
| JP3997252B1 (en) * | 2006-06-12 | 2007-10-24 | 株式会社神戸製鋼所 | Long fiber reinforced resin strand production equipment |
| CN202186057U (en) * | 2011-04-15 | 2012-04-11 | 王浩 | Continuous forming production line for FRP (Fiber Reinforce Plastic) glass fibre reinforced plastic boards |
| CN102218828A (en) * | 2011-05-27 | 2011-10-19 | 常州市宏发纵横新材料科技股份有限公司 | Method for preparing continuous fiber multiaxial fabric reinforced thermoplastic composite material |
| CN202242003U (en) * | 2011-09-30 | 2012-05-30 | 台州市家得宝日用品有限公司 | Manufacturing equipment for continuous fiber reinforced thermoplastic composite material pre-impregnation band |
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