CN104295196B - A kind of fire-retardant sound insulation thermal preservation door board core material and preparation method thereof - Google Patents
A kind of fire-retardant sound insulation thermal preservation door board core material and preparation method thereof Download PDFInfo
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- CN104295196B CN104295196B CN201310298615.2A CN201310298615A CN104295196B CN 104295196 B CN104295196 B CN 104295196B CN 201310298615 A CN201310298615 A CN 201310298615A CN 104295196 B CN104295196 B CN 104295196B
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Abstract
The invention belongs to field of material technology, is related to a kind of door-plate core and preparation method thereof.The door-plate core, include the first absorptive membrane (3), the first support frame (2), the first glued membrane (4), sound absorption heat insulation material (1), the second glued membrane (4 '), the second support frame (2 ') and the second absorptive membrane (3 ') successively from top to bottom, first glued membrane (4) is coated between the first support frame (2) and sound absorption heat insulation material (1), second glued membrane (4 ') is coated between the second support frame (2 ') and sound absorption heat insulation material (1), by being connected with each other after pressurization between neighboring layers.The sound insulation mechanism for the sound-absorbing membrane structure that door-plate core prepared by the present invention uses is film resonance sound insulation.On resonant frequency, acoustic energy is largely absorbed due to film high vibration；Due to space between the presence sound deadening sheet and sound absorption heat insulation material of support frame be present, forming air layer effectively reduces the propagation of sound, and possesses the advantages of fire-retardant and insulation.
Description
Technical field
The invention belongs to field of material technology, is related to a kind of door-plate core and preparation method thereof.
Background technology
Soundproof door has widely in the place that there are sound isolation requirement in factory floor, studio, KTV, meeting room, cinema etc.
Using.Traditional core soundproof door of filling out is filled in door leaf in-core using the glass staple with suction function or rock wool merely.Although
Having certain soundproof effect, still effect is unsatisfactory, and poor thermal insulation property.
Chinese patent CN201593366U discloses a kind of preparation method of structure sound insulation flame retardant door, its architectural feature be with
Paper honeycombed sheet is sound insulation soleplate, and sound panel both sides are the soundproof flame-retardant plate of entity.Although soundproof effect can be improved effectively,
But because the cellular board material characteristic of papery restricts, its fire resistance is necessarily greatly reduced, and the door does not have heat-insulating property.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of fire-retardant sound-insulating
Door-plate core and preparation method thereof.
To achieve the above object, the present invention uses following technical scheme：
A kind of door-plate core, from top to bottom successively include absorptive membrane, support frame, glued membrane, sound absorption heat insulation material, glued membrane,
Support frame and absorptive membrane, described glued membrane is coated between support frame and sound absorption heat insulation material, by adding between neighboring layers
It is connected with each other after pressure.
The thickness of described absorptive membrane is 0.1~0.3mm.
Described support frame thickness is 1~3mm.
Described support frame is two-way continuous fiber reinforced polypropylene resin composite materials plate, is evenly distributed with plate face
The hole of hollow out, the gross area of the hole of hollow out account for the 25%~40% of plate face area.
The hole of described hollow out is that area is 3mm2Square aperture.
The thickness of described sound absorption heat insulation material is 20~40mm.
The thickness of described glued membrane is 0.1~0.2mm.
Described absorptive membrane is selected from polyethylene fire-retardant film, polypropylene fire retardant film, Polycarbonate flame retardant film or polychlorostyrene
Ethene fire-retardant film.
Described sound absorption heat insulation material is selected from melamine acoustical cotton, nitrile rubber/polyvinyl chloride rubber sound insulation cotton or poly-
Urethane sound isolating and flame-retardant sponge；Average sound insulation >=20dB of the sound absorption heat insulation material；
Described glued membrane is selected from α-cyanoacrylate glue or acrylated epoxy glue.
Described support frame is two-way continuous glass fiber reinforced polypropylene resin composite materials, by including following weight
The component of part is made：
35~65 parts of acrylic resin,
35~56 parts of continuous fiber,
5~15 parts of fire retardant,
0.1~1 part of antioxidant,
0.2~0.8 part of age resister.
The one kind or one kind of described continuous fiber in alkali-free glass fibre, medium-alkali glass fibre or high-performance glass
More than；
One or more of the described fire retardant in APP or TDE；
Described antioxidant is the mixture of antioxidant 1010 and irgasfos 168, wherein antioxidant 1010 and irgasfos 168
By weight 1：（1~3）Mixing.
Described age resister be antiager UV326 and HALS770 mixture, wherein antiager UV326 and HALS770
By weight 1：（1~3）Mixing.
A kind of preparation method of above-mentioned fire-retardant sound insulation thermal preservation door board core material, comprises the following steps：
（1）Prepare the two-way continuous glass fiber reinforced polypropylene resin composite materials as support frame material
By said ratio, each component raw material of following parts by weight is weighed：35~65 parts of acrylic resin, fire retardant 5~15
Part, 0.1~0.6 part of antioxidant, 0.2~0.8 part of age resister, add in high-speed mixer and be sufficiently mixed uniformly, then will be mixed
Close in material addition extruder and extrude film, it is compound with the continuous fiber of 35~65 parts by weight, continuous glass fibre is made after pressing
RPP resin unidirectional prepreg tape；
（2）The size of support frame as needed, Cut out step（1）Obtained prepreg tape, transverse and longitudinal are staggeredly routed to mould
On, it is sent into hot press after hot pressing and is cold-pressed in immigration cold press, two-way continuous fiber reinforced polypropylene resin composite materials is made
Plate, then cut equally distributed hole using cutting die in plate face and support frame is made；
（3）By step（2）In obtained support frame side and absorptive membrane lay together be sent into hot pressing in hot press
Move into cold press and be cold-pressed afterwards, the support frame of composite sound-absorbing film is made；
（4）By two steps（3）In obtained composite sound-absorbing film support frame side without absorptive membrane and sound-absorbing
The both sides coating glued membrane of insulation material, lays according to the order of support frame, sound absorption heat insulation material, support frame, is placed in cold
It is cold-pressed in press, fire-retardant sound insulation thermal preservation door board core material is made.
Described step（1）Middle prepreg tape specification is：Thickness is 0.15~0.35mm, and width is 300~650mm, length
Can unrestricted choice as needed；
Described step（2）The number of plies of middle prepreg tape laying is 4~16 layers, and the hot pressing temperature of described hot press is 170
~230 DEG C, 0.5~2MPa of pressure, 5~40min of hot pressing time；Described cold press cold pressing pressure is 1~4MPa, the dwell time
5~60min.
Described step（3）The hot pressing temperature of middle hot press is 170~230 DEG C, 0.5~2MPa of pressure, hot pressing time 1~
5min；Described cold press cold pressing pressure is 0.5~2MPa, 5~15min of dwell time；
Described step（4）The pressure of middle cold press is 0.3~0.9MPa, dwell time 10min~60min.
Compared with prior art, it is the advantages of fire-retardant sound insulation thermal preservation door board core material produced by the present invention：
1. the sound insulation mechanism of sound-absorbing membrane structure of the present invention is film resonance sound insulation.On resonant frequency, due to
Film high vibration and largely absorb acoustic energy.Due to sky be present between the presence sound deadening sheet and attraction insulation material of support frame
Gap, forming air layer effectively reduces the propagation of sound.
2. sound absorption heat insulation material of the present invention and absorptive thin film are fire proofing, therefore the anti-flammability of the present invention
Can be excellent.
3. sound absorption heat insulation material of the present invention is respectively provided with heat insulation function, therefore door-plate core is respectively provided with insulation work(
Energy.
Brief description of the drawings
Fig. 1 is the main structure diagram of fire-retardant sound insulation thermal preservation door board core material in the embodiment of the present invention.
Fig. 2 is the decomposition texture schematic diagram of fire-retardant sound insulation thermal preservation door board core material in the embodiment of the present invention.
Accompanying drawing marks：1 be sound absorption heat insulation material,
2,2 ' support frames,
3,3 ' absorptive membranes,
4,4 ' glued membranes.
Embodiment
With reference to embodiment and accompanying drawing, the present invention will be further described, in addition to Special Statement, each group in embodiment
It is parts by weight to divide.
Polyethylene fire-retardant film, polypropylene fire retardant film, Polycarbonate flame retardant film or polyvinyl chloride are fire-retardant in embodiment
Film is commercially available prod.
Embodiment 1
A kind of fire-retardant sound insulation thermal preservation door board core material as depicted in figs. 1 and 2, is followed successively by absorptive membrane 3, support frame from top to bottom
2nd, glued membrane 4, sound absorption heat insulation material 1, glued membrane 4 ', support frame 2 ', absorptive membrane 3 ', glued membrane 4,4 ' coated in support frame 2,2 ' with
Between sound absorption heat insulation material 1, by being connected with each other after pressurization between neighboring layers.Wherein, absorptive membrane 3,3 ' thickness are 0.1mm, branch
The thickness of support frame frame 2,2 ' is 3mm, and the thickness of sound absorption heat insulation material 1 is 30mm, and the thickness of glued membrane 4,4 ' is 0.1mm.
Absorptive membrane is polyethylene fire-retardant film, and support frame is two-way continuous glass fiber reinforced polypropylene resin compounded material
Material；Sound absorption heat insulation material is melamine acoustical cotton, average sound insulation >=20dB of sound absorption heat insulation material；Glued membrane is acrylic acid modified
Epoxy glue.
The manufacture method of above-mentioned fire-retardant sound insulation thermal preservation door board core material, comprises the following steps：
（1）Preparation is used as support frame（2,2 '）The two-way continuous glass fiber reinforced polypropylene resin compounded material of material
Material：It is anti-that 62 parts of acrylic resin, 10 parts, 0.3 part antioxidant 1010 of TDE and 0.6 part are weighed by weight
Oxygen agent 168,0.3 parts of antiager UV326 and 0.3 part of HALS770, add in high-speed mixer and be sufficiently mixed uniformly, then will be mixed
Close and expect that the high-performance continuous glass fibre of extrusion film and 38 parts by weight is compound in addition extruder, is made continuous glass after pressing
TRPP resin unidirectional prepreg tape, the thickness of prepreg tape is 0.3mm, width 635mm；
（2）The size of support frame as needed, Cut out step（1）Obtained prepreg tape, transverse and longitudinal are staggeredly laid 10 layers and arrived
On mould, hot pressing in hot press is sent into, hot pressing temperature is 190 DEG C, pressure 1MPa, hot pressing time 30min, then moves into cold press
Middle cold pressing, machine cold pressing pressure are 2MPa, dwell time 10min, and two-way continuous fiber reinforced polypropylene resin composite materials are made
Plate, it is 3mm then to cut equally distributed area using cutting die in plate face2Square aperture be made support frame,
Wherein hole area accounts for the 25% of plate face area；
（3）By step（2）In obtained support frame side and absorptive membrane lay together be sent into hot pressing in hot press,
Hot pressing temperature is 188 DEG C, pressure 0.5MPa, hot pressing time 2min, then moves into cold press and is cold-pressed, cold pressing pressure is
0.5MPa, dwell time 5min, the support frame of composite sound-absorbing film is made；
（4）By two steps（3）In obtained composite sound-absorbing film support frame side without absorptive membrane and sound-absorbing
The both sides coating glued membrane of insulation material, lays according to the order of support frame, sound absorption heat insulation material, support frame, is placed in cold
It is cold-pressed in press, the pressure of cold press is 0.5MPa, dwell time 20min, and fire-retardant sound insulation thermal preservation door board core material is made.
Embodiment 2
A kind of fire-retardant sound insulation thermal preservation door board core material, absorptive membrane 3, support frame 2, glued membrane 4, sound-absorbing are followed successively by from top to bottom and is protected
Adiabator 1, glued membrane 4 ', support frame 2 ', absorptive membrane 3 ', glued membrane 4,4 ' is coated in support frame 2,2 ' and sound absorption heat insulation material 1
Between, by being connected with each other after pressurization between neighboring layers.The thickness of absorptive membrane 3,3 ' is 0.1mm, and the thickness of support frame 2,2 ' is
1mm, the thickness of sound absorption heat insulation material 1 are 20mm, and the thickness of glued membrane 4,4 ' is 0.1mm.
Absorptive membrane is polypropylene fire retardant film；Support frame is two-way continuous glass fiber reinforced polypropylene resin compounded material
Material；Sound absorption heat insulation material is melamine acoustical cotton；Average sound insulation >=20dB of sound absorption heat insulation material；Glued membrane is alpha-cyano third
Olefin(e) acid ethyl ester glue.
The manufacture method of above-mentioned fire-retardant sound insulation thermal preservation door board core material, comprises the following steps：
（1）Preparation is used as support frame（2,2 '）The two-way continuous glass fiber reinforced polypropylene resin compounded material of material
Material：It is anti-that 35 parts of acrylic resin, 5 parts, 0.025 part antioxidant 1010 of ammonium polyphosphate flame retardant and 0.075 part are weighed by weight
Oxygen agent 168,0.05 parts of antiager UV326 and 0.15 part of HALS770, add in high-speed mixer and be sufficiently mixed uniformly, then will
Compound adds in extruder the continuous alkali-free glass fibre fiber composite for extruding film and 35 parts by weight, is made after pressing continuous
Glass fiber reinforced polypropylene resin unidirectional prepreg tape, the thickness of prepreg tape is 0.15mm, width 300mm；
（2）The size of support frame as needed, Cut out step（1）Obtained prepreg tape, transverse and longitudinal staggeredly lay 4 layers and arrive mould
On tool, hot pressing in hot press is sent into, hot pressing temperature is 170 DEG C, pressure 0.5MPa, hot pressing time 40min, then moves into cold press
Middle cold pressing, machine cold pressing pressure are 1MPa, dwell time 60min, and two-way continuous fiber reinforced polypropylene resin composite materials are made
Plate, then cut equally distributed hole using cutting die in plate face and support frame is made；Wherein hole area accounts for plate face
The 30% of area；
（3）By step（2）In obtained support frame side and absorptive membrane lay together be sent into hot pressing in hot press,
Hot pressing temperature is 170 DEG C, pressure 0.5MPa, hot pressing time 5min, then moves into cold press and is cold-pressed, cold pressing pressure is
0.5MPa, dwell time 15min, the support frame of composite sound-absorbing film is made；
（4）By two steps（3）In obtained composite sound-absorbing film support frame side without absorptive membrane and sound-absorbing
The both sides coating glued membrane of insulation material, lays according to the order of support frame, sound absorption heat insulation material, support frame, is placed in cold
It is cold-pressed in press, the pressure of cold press is 0.3MPa, dwell time 60min, and fire-retardant sound insulation thermal preservation door board core material is made.
Embodiment 3
A kind of a kind of fire-retardant sound insulation thermal preservation door board core material, fire-retardant sound insulation thermal preservation door board core material, is followed successively by sound-absorbing from top to bottom
Film 3, support frame 2, glued membrane 4, sound absorption heat insulation material 1, glued membrane 4 ', support frame 2 ', absorptive membrane 3 ', glued membrane 4,4 ' is coated in branch
Between support frame frame 2,2 ' and sound absorption heat insulation material 1, by being connected with each other after pressurization between neighboring layers.The thickness of absorptive membrane 3,3 ' is
0.2mm, the thickness of support frame 2,2 ' are 2mm, and the thickness of sound absorption heat insulation material 1 is 30mm, and the thickness of glued membrane 4,4 ' is 0.15mm.
Absorptive membrane is polypropylene fire retardant film；Support frame is two-way continuous glass fiber reinforced polypropylene resin compounded material
Material；Sound absorption heat insulation material is nitrile rubber/polyvinyl chloride rubber sound insulation cotton；Average sound insulation >=20dB of sound absorption heat insulation material；Glue
Film is α-cyanoacrylate glue.
The manufacture method of above-mentioned fire-retardant sound insulation thermal preservation door board core material, comprises the following steps：
（1）Preparation is used as support frame（2,2 '）The two-way continuous glass fiber reinforced polypropylene resin compounded material of material
Material：It is anti-that 40 parts of acrylic resin, 12 parts, 0.2 part antioxidant 1010 of TDE and 0.4 part are weighed by weight
Oxygen agent 168,0.2 parts of antiager UV326 and 0.6 part of HALS770, add in high-speed mixer and be sufficiently mixed uniformly, then will be mixed
Close and expect that the middle alkali continuous glass fibre of extrusion film and 35 parts by weight is compound in addition extruder, is made continuous glass fibers after pressing
RPP resin unidirectional prepreg tape is tieed up, the thickness of prepreg tape is 0.2mm, width 450mm；
（2）The size of support frame as needed, Cut out step（1）Obtained prepreg tape, transverse and longitudinal are staggeredly laid 10 layers and arrived
On mould, hot pressing in hot press is sent into, hot pressing temperature is 200 DEG C, pressure 1.5MPa, hot pressing time 25min, then moves into cold pressing
It is cold-pressed in machine, machine cold pressing pressure is 2.5MPa, dwell time 35min, and two-way continuous fiber reinforced polypropylene resin compounded is made
Plate of material, then cut equally distributed hole using cutting die in plate face and support frame is made, wherein hole area accounts for
The 35% of plate face area；
（3）By step（2）In obtained support frame side and absorptive membrane lay together be sent into hot pressing in hot press,
Hot pressing temperature is 200 DEG C, pressure 1.5MPa, hot pressing time 3min, then moves into cold press and is cold-pressed, cold pressing pressure is
1.2MPa, dwell time 10min, the support frame of composite sound-absorbing film is made；
（4）By two steps（3）In obtained composite sound-absorbing film support frame side without absorptive membrane and sound-absorbing
The both sides coating glued membrane of insulation material, lays according to the order of support frame, sound absorption heat insulation material, support frame, is placed in cold
It is cold-pressed in press, the pressure of cold press is 0.6MPa, dwell time 40min, and fire-retardant sound insulation thermal preservation door board core material is made.
Embodiment 4
A kind of a kind of fire-retardant sound insulation thermal preservation door board core material, fire-retardant sound insulation thermal preservation door board core material, is followed successively by sound-absorbing from top to bottom
Film 3, support frame 2, glued membrane 4, sound absorption heat insulation material 1, glued membrane 4 ', support frame 2 ', absorptive membrane 3 ', glued membrane 4,4 ' is coated in branch
Between support frame frame 2,2 ' and sound absorption heat insulation material 1, by being connected with each other after pressurization between neighboring layers.The thickness of absorptive membrane 3,3 ' is
0.3mm, the thickness of support frame 2,2 ' are 3mm, and the thickness of sound absorption heat insulation material 1 is 40mm, and the thickness of glued membrane 4,4 ' is 0.2mm.
Absorptive membrane is polyvinyl chloride fire-retardant film；Support frame is two-way continuous glass fiber reinforced polypropylene resin compounded
Material；Sound absorption heat insulation material is polyurethane sound isolating and flame-retardant sponge；Average sound insulation >=20dB of sound absorption heat insulation material；Described glued membrane
For acrylated epoxy glue.
Antioxidant is antioxidant 1010 and irgasfos 168 by weight 1：（1~3）The mixture of mixing；Age resister is
Antiager UV326 and HALS770 are by weight 1：（1~3）The mixture of mixing.
The manufacture method of above-mentioned fire-retardant sound insulation thermal preservation door board core material, comprises the following steps：
（1）Preparation is used as support frame（2,2 '）The two-way continuous glass fiber reinforced polypropylene resin compounded material of material
Material：It is anti-that 65 parts of acrylic resin, 15 parts, 0.3 part antioxidant 1010 of TDE and 0.3 part are weighed by weight
Oxygen agent 168,0.4 parts of antiager UV326 and 0.4 part of HALS770, add in high-speed mixer and be sufficiently mixed uniformly, then will be mixed
Close material and add in extruder the middle alkali continuous glass fibre fiber composite for extruding film and 56 parts by weight, continuous glass is made after pressing
Glass TRPP resin unidirectional prepreg tape, the thickness of prepreg tape is 0.35mm, width 650mm；
（2）The size of support frame as needed, Cut out step（1）Obtained prepreg tape, transverse and longitudinal are staggeredly laid 16 layers and arrived
On mould, hot pressing in hot press is sent into, hot pressing temperature is 230 DEG C, pressure 2MPa, hot pressing time 5min, then moves into cold press
Middle cold pressing, machine cold pressing pressure are 4MPa, dwell time 5min, and two-way continuous fiber reinforced polypropylene resin composite materials are made
Plate, then cut equally distributed hole using cutting die in plate face and support frame is made, wherein hole area accounts for plate face
The 40% of area；
（3）By step（2）In obtained support frame side and absorptive membrane lay together be sent into hot pressing in hot press,
Hot pressing temperature is 230 DEG C, pressure 2MPa, hot pressing time 1min, then moves into cold press and is cold-pressed, cold pressing pressure 2MPa, is protected
Time 5min is pressed, the support frame of composite sound-absorbing film is made；
（4）By two steps（3）In obtained composite sound-absorbing film support frame side without absorptive membrane and sound-absorbing
The both sides coating glued membrane of insulation material, lays according to the order of support frame, sound absorption heat insulation material, support frame, is placed in cold
It is cold-pressed in press, the pressure of cold press is 0.9MPa, dwell time 10min, and fire-retardant sound insulation thermal preservation door board core material is made.
Performance test, test result such as table 1 below are carried out to obtained product in embodiment：
Table 1
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this hair
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 embodiment without by performing creative labour.Therefore, the invention is not restricted to implementation here
Example, for those skilled in the art according to the announcement of the present invention, not departing from improvement that scope made and modification all should be
Within protection scope of the present invention.
Claims (10)
- A kind of 1. door-plate core, it is characterised in that：From top to bottom successively include the first absorptive membrane (3), the first support frame (2), First glued membrane (4), sound absorption heat insulation material (1), the second glued membrane (4 '), the second support frame (2 ') and the second absorptive membrane (3 '), institute The first glued membrane (4) stated is coated between described the first support frame (2) and described sound absorption heat insulation material (1), described Second glued membrane (4 ') is coated between described the second support frame (2 ') and described sound absorption heat insulation material (1), neighboring layers Between by being connected with each other after pressurization；Described the first absorptive membrane (3) and the thickness of the second described absorptive membrane (3 ') are 0.1~0.3mm；Described the first support frame (2) and the thickness of the second described support frame (2 ') are 1~3mm；Described the first support frame (2) and the second described support frame (2 ') strengthen poly- third by two-way continuous glass fibre Olefine resin composite is made, and two-way continuous glass fiber reinforced polypropylene resin composite materials include the group of following parts by weight Point：Described continuous fiber is selected from one or more of alkali-free glass fibre, medium-alkali glass fibre or high-performance glass fiber；The thickness of described sound absorption heat insulation material (1) is 20~40mm；Described the first absorptive membrane (3) and the second described absorptive membrane (3 ') are selected from polyethylene fire-retardant film, polypropylene fire retardant Film, Polycarbonate flame retardant film or polyvinyl chloride fire-retardant film；Described sound absorption heat insulation material (1) is selected from melamine acoustical cotton, nitrile rubber/polyvinyl chloride rubber sound insulation cotton or poly- ammonia Ester sound isolating and flame-retardant sponge；Average sound insulation >=20dB of the sound absorption heat insulation material；The preparation method of described door-plate core comprises the following steps：(1) the two-way continuous glass fiber reinforced polypropylene as the first support frame (2) and the second support frame (2 '), is prepared Resin composite materials：Weigh each component raw material of following parts by weight：35~65 parts of acrylic resin, 5~15 parts of fire retardant, antioxidant 0.1~1 Part, 0.2~0.8 part of age resister, add in high-speed mixer and be sufficiently mixed uniformly, obtain compound；Then by the mixing Material adds in extruder and extrudes film, and the continuous fiber with 35~56 parts is compound, and it is poly- that continuous glass fibre enhancing is made after pressing Allyl resin unidirectional prepreg tape；(2), the size of support frame as needed, continuous glass fiber reinforced polypropylene resin list made from Cut out step (1) To prepreg tape, transverse and longitudinal is staggeredly routed on mould, is sent into hot press after hot pressing and is cold-pressed in immigration cold press, is made two-way continuous Glass fiber reinforced polypropylene resin composite panel, then in the two-way continuous glass fiber reinforced polypropylene resin compounded Equally distributed hole is cut using cutting die described the first support frame (2) and described is made in the plate face of plate of material Second support frame (2 ')；(3), by the side of obtained described the first support frame (2) in step (2) together with the first absorptive membrane (3) lay It is sent into move into cold press after hot pressing in hot press and is cold-pressed, by the side of the second described support frame (2 ') and the second absorptive membrane (3 ') lay to be sent into move into cold press after hot pressing in hot press together and be cold-pressed；(4), the first glued membrane is coated in the opposite side of described the first support frame (2) and the side of sound absorption heat insulation material (1) (4), the second glued membrane is coated in the opposite side of the second described support frame (2 ') and the opposite side of sound absorption heat insulation material (1) (4’)；(5), according to described the first absorptive membrane (3), described the first support frame (2), described the first glued membrane (4), described Sound absorption heat insulation material (1), the second described glued membrane (4 '), the second described support frame (2 ') and the second described absorptive membrane The order of (3 ') is laid, and is put into cold press and is cold-pressed, and door-plate core is made；In described step (3), the temperature of hot pressing is 170~230 DEG C, and the pressure of hot pressing is 0.5~2MPa, and the time of hot pressing is 1~5min；The pressure of cold pressing is 0.5~2MPa, and the time of cold pressing is 5~15min；In described step (5), the pressure of cold pressing is 0.3~0.9MPa, and the time of cold pressing is 10~60min.
- 2. door-plate core according to claim 1, it is characterised in that：Described the first support frame (2) and described Two support frames (2 ') are two-way continuous glass fiber reinforced polypropylene resin composite materials plate, the two-way continuous glass fibers Tie up the hole that hollow out is evenly distributed with the plate face of RPP resin composite materials plate, the gross area of the hole of the hollow out Account for the 25~40% of the two-way continuous glass fiber reinforced polypropylene resin composite materials plate suqare.
- 3. door-plate core according to claim 1, it is characterised in that：Described the first glued membrane (4) and the second described glue The thickness of mould (4 ') is 0.1~0.2mm.
- 4. door-plate core according to claim 1, it is characterised in that：Described the first glued membrane (4) and the second described glue Mould (4 ') is selected from α-cyanoacrylate glue or acrylated epoxy glue.
- 5. door-plate core according to claim 1, it is characterised in that：Described fire retardant is selected from APP or ten bromines two One or more of vinylbenzene.
- 6. door-plate core according to claim 1, it is characterised in that：Described antioxidant is antioxidant 1010 and antioxidant 168 mixture, wherein antioxidant 1010 are with irgasfos 168 by weight 1：(1~3) mix.
- 7. door-plate core according to claim 1, it is characterised in that：Described age resister be age resister UV326 and Age resister HALS770 mixture, wherein age resister UV326 are with age resister HALS770 by weight 1：(1~3) mix Close.
- A kind of 8. preparation method of door-plate core according to claim any one of 1-7, it is characterised in that：Including following step Suddenly：(1) the two-way continuous glass fiber reinforced polypropylene as the first support frame (2) and the second support frame (2 '), is prepared Resin composite materials：Weigh each component raw material of following parts by weight：35~65 parts of acrylic resin, 5~15 parts of fire retardant, antioxidant 0.1~1 Part, 0.2~0.8 part of age resister, add in high-speed mixer and be sufficiently mixed uniformly, obtain compound；Then by the mixing Material adds in extruder and extrudes film, and the continuous fiber with 35~56 parts is compound, and it is poly- that continuous glass fibre enhancing is made after pressing Allyl resin unidirectional prepreg tape；(2), the size of support frame as needed, continuous glass fiber reinforced polypropylene resin list made from Cut out step (1) To prepreg tape, transverse and longitudinal is staggeredly routed on mould, is sent into hot press after hot pressing and is cold-pressed in immigration cold press, is made two-way continuous Glass fiber reinforced polypropylene resin composite panel, then in the two-way continuous glass fiber reinforced polypropylene resin compounded Equally distributed hole is cut using cutting die described the first support frame (2) and described is made in the plate face of plate of material Second support frame (2 ')；(3), by the side of obtained described the first support frame (2) in step (2) together with the first absorptive membrane (3) lay It is sent into move into cold press after hot pressing in hot press and is cold-pressed, by the side of the second described support frame (2 ') and the second absorptive membrane (3 ') lay to be sent into move into cold press after hot pressing in hot press together and be cold-pressed；(4), the first glued membrane is coated in the opposite side of described the first support frame (2) and the side of sound absorption heat insulation material (1) (4), the second glued membrane is coated in the opposite side of the second described support frame (2 ') and the opposite side of sound absorption heat insulation material (1) (4’)；(5), according to described the first absorptive membrane (3), described the first support frame (2), described the first glued membrane (4), described Sound absorption heat insulation material (1), the second described glued membrane (4 '), the second described support frame (2 ') and the second described absorptive membrane The order of (3 ') is laid, and is put into cold press and is cold-pressed, and door-plate core is made；In described step (3), the temperature of hot pressing is 170~230 DEG C, and the pressure of hot pressing is 0.5~2MPa, the time 1 of hot pressing ~5min；The pressure of cold pressing is 0.5~2MPa, and the time of cold pressing is 5~15min；In described step (5), the pressure of cold pressing is 0.3~0.9MPa, and the time of cold pressing is 10~60min.
- 9. preparation method according to claim 8, it is characterised in that：In described step (1), continuous glass fibre enhancing The specification of acrylic resin unidirectional prepreg tape is：Thickness is 0.15~0.35mm, and width is 300~650mm.
- 10. preparation method according to claim 8, it is characterised in that：In described step (2), continuous glass fibre increases The number of plies of strong acrylic resin unidirectional prepreg tape laying is 4~16 layers, and the temperature of hot pressing is 170~230 DEG C, and the pressure of hot pressing is 0.5~2MPa, the time of hot pressing is 5~40min；The pressure of cold pressing is 1~4MPa, and the time of cold pressing is 5~60min.
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| CN104961426A (en) * | 2015-06-10 | 2015-10-07 | 安徽安旺门业有限公司 | Fireproof door core |
| CN105239200A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Polytetrafluoroethylene/polyurethane/polypropylene elastic composite sound-absorbing cotton and preparation method thereof |
| CN105239359A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Flame-retardant antibacterial elastic composite sound absorbing cotton, and preparation method thereof |
| CN105239365A (en) * | 2015-09-24 | 2016-01-13 | 安庆市花蕾纺织材料有限公司 | Nanometer silver/polyurethane/polypropylene elastic composite sound-absorbing cotton and preparation method thereof |
| CN105244017A (en) * | 2015-11-19 | 2016-01-13 | 滨州市鸿泰顺意工贸有限公司 | Sound-absorbing cotton making process |
| CN107948775A (en) * | 2017-12-25 | 2018-04-20 | 广州市尊浪电器有限公司 | A kind of speaker flame-retardant composite board |
| CN108093343A (en) * | 2017-12-25 | 2018-05-29 | 广州市尊浪电器有限公司 | A kind of fire-retardant speaker |
| CN108678275A (en) * | 2018-04-04 | 2018-10-19 | 东南大学 | A kind of preparation method of the integrated prefabricated wallboard of cross laminate |
| CN111058325B (en) * | 2019-11-15 | 2023-03-24 | 重庆双羽家俱有限公司 | Light composite wood door plate and preparation method thereof |
| CN111755723B (en) * | 2020-06-01 | 2023-02-17 | 江苏氢导智能装备有限公司 | Device for preparing membrane electrode frame of fuel cell |
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| CN2226095Y (en) * | 1994-04-11 | 1996-05-01 | 南亚塑胶工业股份有限公司 | Resonant-iris abatvoix |
| US6872673B2 (en) * | 2002-07-18 | 2005-03-29 | Edward Sider & Company | Laminate and use of such laminate as a facer in making insulation boards and other products |
| CN201132405Y (en) * | 2007-11-20 | 2008-10-15 | 江苏捷诚车载电子信息工程有限公司 | Composite board sheet for compartment |
| CN101638139A (en) * | 2008-09-22 | 2010-02-03 | 戴三南 | Sound absorbing and insulating ceiling |
| CN102261139A (en) * | 2011-04-25 | 2011-11-30 | 青岛同力得塑料蜂巢有限公司 | Honeycomb sound absorbing board and production process thereof |
| CN202707419U (en) * | 2012-08-06 | 2013-01-30 | 山东万泰石油设备研制有限公司 | Sound-insulation noise-reduction box |
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