CN110509579A - A kind of compound board manufacturing method of PMMA alloy-PC - Google Patents
A kind of compound board manufacturing method of PMMA alloy-PC Download PDFInfo
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- CN110509579A CN110509579A CN201910862177.5A CN201910862177A CN110509579A CN 110509579 A CN110509579 A CN 110509579A CN 201910862177 A CN201910862177 A CN 201910862177A CN 110509579 A CN110509579 A CN 110509579A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The present invention discloses a kind of compound board manufacturing method of PMMA alloy-PC; preparation step is as follows :(a) antioxidant, UV stabilizer are placed in blender; again with the stirring of 360r/min revolving speed 5 ~ 6 minutes to form pre-composition after first being stirred 2 ~ 3 minutes with 60r/min revolving speed, pre-composition is placed in pelletizing machine, particle A is made；(b) particle A obtained in PMMA block compositions, polycarbonate A, step (a) is placed in pelletizer and particle B is made；(c) particle B and polycarbonate B are separately added into extruder and are extruded into composite layer, composite layer includes layer A and layer B, layer A accounts for the 5% ~ 20% of composite layer overall thickness, layer A is extruded into after being melted plasticizing by particle B, layer B is extruded into after being melted plasticizing by polycarbonate B, and composite layer forms PMMA alloy-PC composite plate through constant temperature roller calendering formation.The present invention solves the problems, such as that PMMA alloy-PC composite plate interface compatibility is poor, reduces the performance requirement in later period in-mould injection technique to mold and injection molding machine.
Description
Technical field
The present invention relates to a kind of compound board manufacturing method more particularly to a kind of compound board manufacturing methods of PMMA alloy-PC.
Background technique
Polycarbonate is also known as PC, has colorless and transparent, heat-resisting, fire-retardant, high-intensitive, high elastic coefficient, high impact, makes
The features such as with wide temperature range, is widely used in the fields such as mobile phone, PC, home decoration face.The full name of PMMA
For polymethyl methacrylate, also known as acryl, acrylic or organic glass, it is a kind of colorless and transparent plastic material, compares
PC, PMMA have higher hardness.
Have part of the manufacturer currently on the market to attempt to be formed by PMMA or PMMA alloy material together with PC combination of materials
A kind of new material having both high resiliency and high rigidity, but since there are ess-strain is big and interface between PC material and PMMA material
The problem of poor compatibility, the double layer composite board of finished product are easy layering, fall off.To avoid the above problem, currently used way is
Two kinds of materials are first carried out to mixing before extrusion forming to form a kind of mixing material, then the mixing material is pressed again
Prolong molding, last finished product plate is the sheet material of single layer, can not make bilayer or multilayer composite plate, therefore need to make this and change
Into.
Summary of the invention
The defects of present invention is easy warpage, is layered, falls off for double layer composite board existing in the prior art, provides one
The new compound board manufacturing method of PMMA alloy-PC of kind.
In order to solve the above-mentioned technical problem, the invention is realized by the following technical scheme:
A kind of compound board manufacturing method of PMMA alloy-PC, preparation step are as follows:
(a) 3 ~ 4 parts of antioxidant, 1 ~ 2 part of UV stabilizer are taken in parts by weight and the antioxidant, the UV stabilizer are placed in and are stirred
It mixes in machine, again with the stirring of 360r/min revolving speed 5 ~ 6 minutes to form pre-composition after first being stirred 2 ~ 3 minutes with 60r/min revolving speed,
The pre-composition is placed in pelletizing machine, particle A is made；
(b) 29 ~ 30 parts of PMMA block compositions, 63 ~ 87 parts of polycarbonate A are taken in parts by weight, combine the PMMA block
Object, the polycarbonate A, the particle A obtained is placed in pelletizer and particle B is made in step (a), and the one of the pelletizer
Duan Wendu is 212 ~ 225 DEG C, two sections of temperature are 220 ~ 235 DEG C, three sections of temperature are 230 ~ 245 DEG C, and die temperature is 250 ~ 290
DEG C, the plasticizing residence time is 1 ~ 2 minute, and absolute vacuum pressure is 0.06 ~ 0.08Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 5% ~ 20% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, the layer B by
The polycarbonate B is extruded into after being melted plasticizing, and the composite layer is multiple through constant temperature roller calendering formation formation PMMA alloy-PC
Plywood.
In step (a), quantitative antioxidant, UV stabilizer are mixed to and are made the particle A convenient for transition of operation.
Quantitative PMMA block compositions, polycarbonate A, particle A are put into pelletizer and PMMA are made in step (b)
The particle B of alloy material, particle B have the characteristics that water absorption rate is low, with high hardness.Pelletizer is spatially divided into three sections, is being plasticized
Control each section of pelletizer of temperature respectively in the process to improve granulation quality.Die temperature is controlled at 250 ~ 290 DEG C, absolutely
Vacuum pressure control is 0.06 ~ 0.08Mpa, guarantees that particle B has preferable completed state.
It is molten from being heated after the plasticizing residence time refers to that PMMA block compositions, polycarbonate A, particle A enter pelletizer
Change to this period is extruded, by the control of plasticizing residence time, at 1 ~ 2 minute, certifiable each component mixing sufficiently combined life
Produce efficiency.
Particle B made from step (b) and polycarbonate B is formed into a double-layer structure by extruder in step (c)
Composite layer, wherein the layer A made of particle B has the characteristics that water absorption rate is low, with high hardness, layer A thickness accounts for composite layer overall thickness
5% ~ 20%, so that finally formed PMMA alloy-PC composite plate is had both higher hardness and convenient elasticity.It will by aforesaid operations
Two kinds of materials that script physical parameter differs greatly are converted to the comparable material of physical parameter, and PMMA alloy-PC composite plate is whole
Level off to one layer on body.Simultaneously polycarbonate B be principal component layer B and layer A to the sensibility of temperature and humidity relatively, institute
To have lower ess-strain between layer A and layer B, the present invention solves PMMA alloy-PC composite plate interface compatibility difference
Problem reduces the performance requirement in later period in-mould injection technique to mold and injection molding machine.
It is described in the step (b) preferably, a kind of compound board manufacturing method of PMMA alloy-PC described above
PMMA block compositions the preparation method is as follows:
Take the component of following parts by weight:
45 ~ 65 parts of monomer A,
15 ~ 20 parts of monomer B,
1 ~ 1.5 part of initiator,
35 ~ 45 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 55 ~ 65 minutes, then protects
It holds 80 DEG C to react 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours under 83 ~ 85 DEG C of polymeric reaction temperature,
Then it cooling discharge and evaporates to crush after solvent and obtains the PMMA block compositions.
PMMA block compositions are the important components of PMMA alloy in the present invention, are mixed simultaneously by n-butanol, monomer A, monomer B
After reacted kettle reaction and dropwise addition chain-transferring agent, will discharge to crush after evaporating solvent is obtained.PMMA block compositions can incite somebody to action
The PMMA alloy temperature tolerance of heatproof does not improve, and reduces and is granulated xanthochromia, in addition reduces the water absorption rate of material.
Preferably, a kind of compound board manufacturing method of PMMA alloy-PC described above, perseverance described in the step (c)
Warm roller includes the first roller, the second roller, third roller, and the composite layer is delayed again through first roll-in successively by described second first
Roller, the three-roller calendaring form to form PMMA alloy-PC composite plate.
It will be squeezed out from die head and the composite layer that is formed passes through three roller calendering formations respectively that form PMMA alloy-PC compound
Plate makes finally formed PMMA alloy-PC composite plate have preferable uniformity, forms relatively flat uniform surface, layer A and
The relative thickness of layer B is also more stable.
Preferably, a kind of compound board manufacturing method of PMMA alloy-PC described above, first roller is flexible roller,
Second roller, the third roller be steel roller, first roller, second roller, the third roller surface temperature be 100
~140℃。
Preferably composite layer can be spread apart using the first roller of flexible roller, subsequent twice steel roller can be better
Composite layer is formed.100 ~ 140 DEG C are set by the surface temperature of the first roller, the second roller, third roller, can preferably be guaranteed multiple
Close layer has preferable ductility in calender line.It in addition can be by the thickness of PMMA alloy-PC composite plate using flexible roller
Homogeneity is increased to higher level, reduces because stress caused by each section thickness is irregular is remaining.
Preferably, a kind of compound board manufacturing method of PMMA alloy-PC described above, the monomer A is metering system
Any one of sour methyl esters, butyl acrylate, methacrylic acid or the mixture more than any two.
Select the above substance that can guarantee the weatherability and high transparency of material as monomer A.
Preferably, a kind of compound board manufacturing method of PMMA alloy-PC described above, the monomer B be bismaleimide,
Any one of N-phenylmaleimide, N- N-cyclohexylmaleimide or the mixture more than any two.
It selects the above substance that can increase the temperature tolerance of PMMA alloy as monomer B, further reduced water absorption rate.
Preferably, a kind of compound board manufacturing method of PMMA alloy-PC described above, the chain-transferring agent is mercapto hydroxyl
Malic acid, the initiator are dibenzoyl peroxide.
Sulfydryl is relatively weak group in sulfhydryl compound, has higher efficiency as chain-transferring agent.
It is described anti-in the step (a) preferably, a kind of compound board manufacturing method of PMMA alloy-PC described above
Oxygen agent be 2,6- di-t-butyl -4-aminophenol, BASF anti-oxidant Irganox B225, BASF Irganox 1010,
Any one of phosphorous acid three (2.4- di-tert-butyl-phenyl) ester or the mixture more than any two.
The ability for selecting the above substance that can there is efficient confrontation to capture free radical as antioxidant, and there is permanent effect
Energy.
Preferably, a kind of compound board manufacturing method of PMMA alloy-PC described above, in the step (a), the UV
Stabilizer is BASF stabilizer T inuvin326, Tinuvin944,2,4,6- tri- (2 ' n-butoxyphenyl) -1,3,5- tri-
Piperazine, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines, three (1,2,2,6,6- pempidine base) phosphite esters, single benzoic acid
Any one of resorcinol, 2-hydroxy-4-n-octoxybenzophenone or the mixture more than any two.
Select the above substance as UV stabilizer, volatility is low at high temperature, and thermal degradation resistance ability is strong, and effectively stops
Absorb ultraviolet light.
Preferably, a kind of compound board manufacturing method of PMMA alloy-PC described above, in the step (a), the grain
The particle size range of sub- A is 1mm ~ 3mm.
The particle size range can guarantee that particle A has preferable mobility, also more easily molded in the production process.It is made
The partial size of particle A and the partial size of remaining material are consistent, and material is not stratified when can guarantee stirring, improve uniformity.
Embodiment 1
A kind of compound board manufacturing method of PMMA alloy-PC, preparation step are as follows:
(a) 3 parts of antioxidant, 1 part of UV stabilizer are taken in parts by weight and the antioxidant, the UV stabilizer are placed in blender
In, it, will be described pre- again with the stirring of 360r/min revolving speed 5 minutes to form pre-composition after first being stirred 2 minutes with 60r/min revolving speed
Mixed object, which is placed in pelletizing machine, is made particle A；
(b) 29 parts of PMMA block compositions, 67 parts of polycarbonate A are taken in parts by weight, by PMMA block compositions, described
The particle A obtained, which is placed in pelletizer, in polycarbonate A, step (a) is made particle B, a Duan Wendu of the pelletizer
For 212 DEG C, two sections of temperature be 220 DEG C, three sections of temperature are 230 DEG C, and die temperature is 250 DEG C, and the plasticizing residence time is 1 minute,
Absolute vacuum pressure is 0.06Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 5% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, and the layer B is by described
Polycarbonate B is extruded into after being melted plasticizing, and the composite layer is compound through constant temperature roller calendering formation formation PMMA alloy-PC
Plate.
Preferably, in the step (b), the PMMA block compositions the preparation method is as follows:
Take the component of following parts by weight:
45 parts of monomer A,
15 parts of monomer B,
1 part of initiator,
35 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 55 minutes, then keeps 80
DEG C reaction 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours, then cool down under 83 DEG C of polymeric reaction temperature
Crushing obtains the PMMA block compositions after discharging and evaporating solvent.
Preferably, constant temperature roller described in the step (c) includes the first roller, the second roller, third roller, the composite layer is first
It is first delayed through first roll-in and successively forms that form PMMA alloy-PC compound by second roller, the three-roller calendaring again
Plate.
Preferably, first roller is flexible roller, second roller, the third roller are steel roller, first roller,
Second roller, the third roller surface temperature be 100 DEG C.
Preferably, the monomer A be any one of methyl methacrylate, butyl acrylate, methacrylic acid or
Mixture more than any two.
Preferably, the monomer B is bismaleimide, N-phenylmaleimide, N- N-cyclohexylmaleimide
Any one of or the mixture more than any two.
Preferably, the chain-transferring agent is mercapto hydroxyl malic acid, the initiator is dibenzoyl peroxide.
Preferably, the antioxidant is 2,6- di-t-butyl -4-aminophenol, BASF antioxygen in the step (a)
Any one of agent Irganox B225, BASF Irganox 1010, three 2.4- di-tert-butyl base ester of phosphorous acid are appointed
Two or more mixtures.
Preferably, in the step (a), the UV stabilizer be BASF stabilizer T inuvin326,
Tinuvin944,2,4,6- 32 ' n-butoxyphenyls -1,3,5-triazines, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines,
31,2,2,6,6- pempidine base phosphite esters, single benzoic acid resorcinol, in 2-hydroxy-4-n-octoxybenzophenone
Any or more than any two mixture.
Preferably, the particle size range of the particle A is 1mm in the step (a).
It takes PMMA alloy-PC composite plate made from above-described embodiment to be tested, it is as follows to measure parameter:
Light transmittance is 92.3%, mist degree 0.1%, warpage 0.2%, pencil hardness H, 30 minutes percent thermal shrinkages at 130 DEG C
It is 0%.
Embodiment 2
A kind of compound board manufacturing method of PMMA alloy-PC, preparation step are as follows:
(a) 4 parts of antioxidant, 2 parts of UV stabilizers are taken in parts by weight and the antioxidant, the UV stabilizer are placed in blender
In, it, will be described again with the stirring of 360r/min revolving speed 6 minutes to form pre-composition after first being stirred 3 minutes with 60r/min revolving speed
Pre-composition, which is placed in pelletizing machine, is made particle A；
(b) 30 parts of PMMA block compositions, 63 parts of polycarbonate A are taken in parts by weight, by PMMA block compositions, described
The particle A obtained, which is placed in pelletizer, in polycarbonate A, step (a) is made particle B, a Duan Wendu of the pelletizer
For 225 DEG C, two sections of temperature be 235 DEG C, three sections of temperature are 245 DEG C, and die temperature is 270 DEG C, and the plasticizing residence time is 2 minutes,
Absolute vacuum pressure is 0.08Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 8% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, and the layer B is by described
Polycarbonate B is extruded into after being melted plasticizing, and the composite layer is compound through constant temperature roller calendering formation formation PMMA alloy-PC
Plate.
Preferably, in the step (b), the PMMA block compositions the preparation method is as follows:
Take the component of following parts by weight:
65 parts of monomer A,
20 parts of monomer B,
1.5 parts of initiator,
45 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 65 minutes, then keeps 80
DEG C reaction 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours, then cool down under 85 DEG C of polymeric reaction temperature
Crushing obtains the PMMA block compositions after discharging and evaporating solvent.
Preferably, constant temperature roller described in the step (c) includes the first roller, the second roller, third roller, the composite layer is first
It is first delayed through first roll-in and successively forms that form PMMA alloy-PC compound by second roller, the three-roller calendaring again
Plate.
Preferably, first roller is flexible roller, second roller, the third roller are steel roller, first roller,
Second roller, the third roller surface temperature be 140 DEG C.
Preferably, the monomer A be any one of methyl methacrylate, butyl acrylate, methacrylic acid or
Mixture more than any two.
Preferably, the monomer B is bismaleimide, N-phenylmaleimide, N- N-cyclohexylmaleimide
Any one of or the mixture more than any two.
Preferably, the chain-transferring agent is mercapto hydroxyl malic acid, the initiator is dibenzoyl peroxide.
Preferably, the antioxidant is 2,6- di-t-butyl -4-aminophenol, BASF antioxygen in the step (a)
Any one of agent Irganox B225, BASF Irganox 1010, three 2.4- di-tert-butyl base ester of phosphorous acid are appointed
Two or more mixtures.
Preferably, in the step (a), the UV stabilizer be BASF stabilizer T inuvin326,
Tinuvin944,2,4,6- 32 ' n-butoxyphenyls -1,3,5-triazines, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines,
31,2,2,6,6- pempidine base phosphite esters, single benzoic acid resorcinol, in 2-hydroxy-4-n-octoxybenzophenone
Any or more than any two mixture.
Preferably, the particle size range of the particle A is 3mm in the step (a).
It takes PMMA alloy-PC composite plate made from above-described embodiment to be tested, it is as follows to measure parameter:
Light transmittance is 92.2%, mist degree 0.1%, warpage 0.2%, pencil hardness H, 30 minutes percent thermal shrinkages at 130 DEG C
It is 0%.
Embodiment 3
A kind of compound board manufacturing method of PMMA alloy-PC, preparation step are as follows:
(a) 4 parts of antioxidant, 2 parts of UV stabilizers are taken in parts by weight and the antioxidant, the UV stabilizer are placed in blender
In, it, will be described again with the stirring of 360r/min revolving speed 5 minutes to form pre-composition after first being stirred 2 minutes with 60r/min revolving speed
Pre-composition, which is placed in pelletizing machine, is made particle A；
(b) 29 parts of PMMA block compositions, 70 parts of polycarbonate A are taken in parts by weight, by PMMA block compositions, described
The particle A obtained, which is placed in pelletizer, in polycarbonate A, step (a) is made particle B, a Duan Wendu of the pelletizer
For 214 DEG C, two sections of temperature be 222 DEG C, three sections of temperature are 232 DEG C, and die temperature is 260 DEG C, and the plasticizing residence time is 1.5 points
Clock, absolute vacuum pressure 0.07Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 11% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, and the layer B is by described
Polycarbonate B is extruded into after being melted plasticizing, and the composite layer is compound through constant temperature roller calendering formation formation PMMA alloy-PC
Plate.
Preferably, in the step (b), the PMMA block compositions the preparation method is as follows:
Take the component of following parts by weight:
49 parts of monomer A,
16 parts of monomer B,
1.2 parts of initiator,
36 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 60 minutes, then keeps 80
DEG C reaction 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours, then cool down under 84 DEG C of polymeric reaction temperature
Crushing obtains the PMMA block compositions after discharging and evaporating solvent.
Preferably, constant temperature roller described in the step (c) includes the first roller, the second roller, third roller, the composite layer is first
It is first delayed through first roll-in and successively forms that form PMMA alloy-PC compound by second roller, the three-roller calendaring again
Plate.
Preferably, first roller is flexible roller, second roller, the third roller are steel roller, first roller,
Second roller, the third roller surface temperature be 110 DEG C.
Preferably, the monomer A be any one of methyl methacrylate, butyl acrylate, methacrylic acid or
Mixture more than any two.
Preferably, the monomer B is bismaleimide, N-phenylmaleimide, N- N-cyclohexylmaleimide
Any one of or the mixture more than any two.
Preferably, the chain-transferring agent is mercapto hydroxyl malic acid, the initiator is dibenzoyl peroxide.
Preferably, the antioxidant is 2,6- di-t-butyl -4-aminophenol, BASF antioxygen in the step (a)
Any one of agent Irganox B225, BASF Irganox 1010, three 2.4- di-tert-butyl base ester of phosphorous acid are appointed
Two or more mixtures.
Preferably, in the step (a), the UV stabilizer be BASF stabilizer T inuvin326,
Tinuvin944,2,4,6- 32 ' n-butoxyphenyls -1,3,5-triazines, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines,
31,2,2,6,6- pempidine base phosphite esters, single benzoic acid resorcinol, in 2-hydroxy-4-n-octoxybenzophenone
Any or more than any two mixture.
Preferably, the particle size range of the particle A is 2mm in the step (a).
It takes PMMA alloy-PC composite plate made from above-described embodiment to be tested, it is as follows to measure parameter:
Light transmittance is 93.4%, mist degree 0%, warpage 0.1%, pencil hardness H, and 30 minutes percent thermal shrinkages are at 130 DEG C
0%。
Embodiment 4
A kind of compound board manufacturing method of PMMA alloy-PC, preparation step are as follows:
(a) 3 parts of antioxidant, 1 part of UV stabilizer are taken in parts by weight and the antioxidant, the UV stabilizer are placed in blender
In, it, will be described again with the stirring of 360r/min revolving speed 6 minutes to form pre-composition after first being stirred 3 minutes with 60r/min revolving speed
Pre-composition, which is placed in pelletizing machine, is made particle A；
(b) 30 parts of PMMA block compositions, 73 parts of polycarbonate A are taken in parts by weight, by PMMA block compositions, described
The particle A obtained, which is placed in pelletizer, in polycarbonate A, step (a) is made particle B, a Duan Wendu of the pelletizer
For 216 DEG C, two sections of temperature be 224 DEG C, three sections of temperature are 234 DEG C, and die temperature is 270 DEG C, and the plasticizing residence time is 1.5 points
Clock, absolute vacuum pressure 0.06Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 14% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, and the layer B is by described
Polycarbonate B is extruded into after being melted plasticizing, and the composite layer is compound through constant temperature roller calendering formation formation PMMA alloy-PC
Plate.
Preferably, in the step (b), the PMMA block compositions the preparation method is as follows:
Take the component of following parts by weight:
60 parts of monomer A,
17 parts of monomer B,
1.2 parts of initiator,
37 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 57 minutes, then keeps 80
DEG C reaction 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours, then cool down under 84 DEG C of polymeric reaction temperature
Crushing obtains the PMMA block compositions after discharging and evaporating solvent.
Preferably, constant temperature roller described in the step (c) includes the first roller, the second roller, third roller, the composite layer is first
It is first delayed through first roll-in and successively forms that form PMMA alloy-PC compound by second roller, the three-roller calendaring again
Plate.
Preferably, first roller is flexible roller, second roller, the third roller are steel roller, first roller,
Second roller, the third roller surface temperature be 120 DEG C.
Preferably, the monomer A be any one of methyl methacrylate, butyl acrylate, methacrylic acid or
Mixture more than any two.
Preferably, the monomer B is bismaleimide, N-phenylmaleimide, N- N-cyclohexylmaleimide
Any one of or the mixture more than any two.
Preferably, the chain-transferring agent is mercapto hydroxyl malic acid, the initiator is dibenzoyl peroxide.
Preferably, the antioxidant is 2,6- di-t-butyl -4-aminophenol, BASF antioxygen in the step (a)
Any one of agent Irganox B225, BASF Irganox 1010, three 2.4- di-tert-butyl base ester of phosphorous acid are appointed
Two or more mixtures.
Preferably, in the step (a), the UV stabilizer be BASF stabilizer T inuvin326,
Tinuvin944,2,4,6- 32 ' n-butoxyphenyls -1,3,5-triazines, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines,
31,2,2,6,6- pempidine base phosphite esters, single benzoic acid resorcinol, in 2-hydroxy-4-n-octoxybenzophenone
Any or more than any two mixture.
Preferably, the particle size range of the particle A is 3mm in the step (a).
It takes PMMA alloy-PC composite plate made from above-described embodiment to be tested, it is as follows to measure parameter:
Light transmittance is 91.1%, mist degree 0.1%, warpage 0.2%, pencil hardness H, 30 minutes percent thermal shrinkages at 130 DEG C
It is 0.1%.
Embodiment 5
A kind of compound board manufacturing method of PMMA alloy-PC, preparation step are as follows:
(a) 4 parts of antioxidant, 2 parts of UV stabilizers are taken in parts by weight and the antioxidant, the UV stabilizer are placed in blender
In, it, will be described again with the stirring of 360r/min revolving speed 6 minutes to form pre-composition after first being stirred 2 minutes with 60r/min revolving speed
Pre-composition, which is placed in pelletizing machine, is made particle A；
(b) 29 parts of PMMA block compositions, 75 parts of polycarbonate A are taken in parts by weight, by PMMA block compositions, described
The particle A obtained, which is placed in pelletizer, in polycarbonate A, step (a) is made particle B, a Duan Wendu of the pelletizer
For 218 DEG C, two sections of temperature be 226 DEG C, three sections of temperature are 236 DEG C, and die temperature is 280 DEG C, and the plasticizing residence time is 1 minute,
Absolute vacuum pressure is 0.08Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 17% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, and the layer B is by described
Polycarbonate B is extruded into after being melted plasticizing, and the composite layer is compound through constant temperature roller calendering formation formation PMMA alloy-PC
Plate.
Preferably, in the step (b), the PMMA block compositions the preparation method is as follows:
Take the component of following parts by weight:
60 parts of monomer A,
18 parts of monomer B,
1.4 parts of initiator,
39 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 62 minutes, then keeps 80
DEG C reaction 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours, then cool down under 83 DEG C of polymeric reaction temperature
Crushing obtains the PMMA block compositions after discharging and evaporating solvent.
Preferably, constant temperature roller described in the step (c) includes the first roller, the second roller, third roller, the composite layer is first
It is first delayed through first roll-in and successively forms that form PMMA alloy-PC compound by second roller, the three-roller calendaring again
Plate.
Preferably, first roller is flexible roller, second roller, the third roller are steel roller, first roller,
Second roller, the third roller surface temperature be 130 DEG C.
Preferably, the monomer A be any one of methyl methacrylate, butyl acrylate, methacrylic acid or
Mixture more than any two.
Preferably, the monomer B is bismaleimide, N-phenylmaleimide, N- N-cyclohexylmaleimide
Any one of or the mixture more than any two.
Preferably, the chain-transferring agent is mercapto hydroxyl malic acid, the initiator is dibenzoyl peroxide.
Preferably, the antioxidant is 2,6- di-t-butyl -4-aminophenol, BASF antioxygen in the step (a)
Any one of agent Irganox B225, BASF Irganox 1010, three 2.4- di-tert-butyl base ester of phosphorous acid are appointed
Two or more mixtures.
Preferably, in the step (a), the UV stabilizer be BASF stabilizer T inuvin326,
Tinuvin944,2,4,6- 32 ' n-butoxyphenyls -1,3,5-triazines, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines,
31,2,2,6,6- pempidine base phosphite esters, single benzoic acid resorcinol, in 2-hydroxy-4-n-octoxybenzophenone
Any or more than any two mixture.
Preferably, the particle size range of the particle A is 1mm in the step (a).
It takes PMMA alloy-PC composite plate made from above-described embodiment to be tested, it is as follows to measure parameter:
Light transmittance is 93.4%, mist degree 0%, warpage 0.1%, pencil hardness H, and 30 minutes percent thermal shrinkages are at 130 DEG C
0.2%。
Embodiment 6
A kind of compound board manufacturing method of PMMA alloy-PC, preparation step are as follows:
(a) 4 parts of antioxidant, 2 parts of UV stabilizers are taken in parts by weight and the antioxidant, the UV stabilizer are placed in blender
In, it, will be described again with the stirring of 360r/min revolving speed 5 minutes to form pre-composition after first being stirred 3 minutes with 60r/min revolving speed
Pre-composition, which is placed in pelletizing machine, is made particle A；
(b) 29 parts of PMMA block compositions, 79 parts of polycarbonate A are taken in parts by weight, by PMMA block compositions, described
The particle A obtained, which is placed in pelletizer, in polycarbonate A, step (a) is made particle B, a Duan Wendu of the pelletizer
For 220 DEG C, two sections of temperature be 230 DEG C, three sections of temperature are 240 DEG C, and die temperature is 290 DEG C, and the plasticizing residence time is 2 minutes,
Absolute vacuum pressure is 0.06Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 5% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, and the layer B is by described
Polycarbonate B is extruded into after being melted plasticizing, and the composite layer is compound through constant temperature roller calendering formation formation PMMA alloy-PC
Plate.
Preferably, in the step (b), the PMMA block compositions the preparation method is as follows:
Take the component of following parts by weight:
62 parts of monomer A,
18 parts of monomer B,
1.4 parts of initiator,
42 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 62 minutes, then keeps 80
DEG C reaction 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours, then cool down under 84 DEG C of polymeric reaction temperature
Crushing obtains the PMMA block compositions after discharging and evaporating solvent.
Preferably, constant temperature roller described in the step (c) includes the first roller, the second roller, third roller, the composite layer is first
It is first delayed through first roll-in and successively forms that form PMMA alloy-PC compound by second roller, the three-roller calendaring again
Plate.
Preferably, first roller is flexible roller, second roller, the third roller are steel roller, first roller,
Second roller, the third roller surface temperature be 140 DEG C.
Preferably, the monomer A be any one of methyl methacrylate, butyl acrylate, methacrylic acid or
Mixture more than any two.
Preferably, the monomer B is bismaleimide, N-phenylmaleimide, N- N-cyclohexylmaleimide
Any one of or the mixture more than any two.
Preferably, the chain-transferring agent is mercapto hydroxyl malic acid, the initiator is dibenzoyl peroxide.
Preferably, the antioxidant is 2,6- di-t-butyl -4-aminophenol, BASF antioxygen in the step (a)
Any one of agent Irganox B225, BASF Irganox 1010, three 2.4- di-tert-butyl base ester of phosphorous acid are appointed
Two or more mixtures.
Preferably, in the step (a), the UV stabilizer be BASF stabilizer T inuvin326,
Tinuvin944,2,4,6- 32 ' n-butoxyphenyls -1,3,5-triazines, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines,
31,2,2,6,6- pempidine base phosphite esters, single benzoic acid resorcinol, in 2-hydroxy-4-n-octoxybenzophenone
Any or more than any two mixture.
Preferably, the particle size range of the particle A is 1mm in the step (a).
It takes PMMA alloy-PC composite plate made from above-described embodiment to be tested, it is as follows to measure parameter:
Light transmittance is 93.2%, mist degree 0%, warpage 0.1%, pencil hardness H, and 30 minutes percent thermal shrinkages are at 130 DEG C
0%。
Embodiment 7
A kind of compound board manufacturing method of PMMA alloy-PC, preparation step are as follows:
(a) 4 parts of antioxidant, 2 parts of UV stabilizers are taken in parts by weight and the antioxidant, the UV stabilizer are placed in blender
In, it, will be described again with the stirring of 360r/min revolving speed 6 minutes to form pre-composition after first being stirred 2 minutes with 60r/min revolving speed
Pre-composition, which is placed in pelletizing machine, is made particle A；
(b) 29 parts of PMMA block compositions, 82 parts of polycarbonate A are taken in parts by weight, by PMMA block compositions, described
The particle A obtained, which is placed in pelletizer, in polycarbonate A, step (a) is made particle B, a Duan Wendu of the pelletizer
For 222 DEG C, two sections of temperature be 230 DEG C, three sections of temperature are 240 DEG C, and die temperature is 270 DEG C, and the plasticizing residence time is 1 minute,
Absolute vacuum pressure is 0.07Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 8% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, and the layer B is by described
Polycarbonate B is extruded into after being melted plasticizing, and the composite layer is compound through constant temperature roller calendering formation formation PMMA alloy-PC
Plate.
Preferably, in the step (b), the PMMA block compositions the preparation method is as follows:
Take the component of following parts by weight:
63 parts of monomer A,
19 parts of monomer B,
1.4 parts of initiator,
43 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 62 minutes, then keeps 80
DEG C reaction 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours, then cool down under 84 DEG C of polymeric reaction temperature
Crushing obtains the PMMA block compositions after discharging and evaporating solvent.
Preferably, constant temperature roller described in the step (c) includes the first roller, the second roller, third roller, the composite layer is first
It is first delayed through first roll-in and successively forms that form PMMA alloy-PC compound by second roller, the three-roller calendaring again
Plate.
Preferably, first roller is flexible roller, second roller, the third roller are steel roller, first roller,
Second roller, the third roller surface temperature be 100 DEG C.
Preferably, the monomer A be any one of methyl methacrylate, butyl acrylate, methacrylic acid or
Mixture more than any two.
Preferably, the monomer B is bismaleimide, N-phenylmaleimide, N- N-cyclohexylmaleimide
Any one of or the mixture more than any two.
Preferably, the chain-transferring agent is mercapto hydroxyl malic acid, the initiator is dibenzoyl peroxide.
Preferably, the antioxidant is 2,6- di-t-butyl -4-aminophenol, BASF antioxygen in the step (a)
Any one of agent Irganox B225, BASF Irganox 1010, three 2.4- di-tert-butyl base ester of phosphorous acid are appointed
Two or more mixtures.
Preferably, in the step (a), the UV stabilizer be BASF stabilizer T inuvin326,
Tinuvin944,2,4,6- 32 ' n-butoxyphenyls -1,3,5-triazines, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines,
31,2,2,6,6- pempidine base phosphite esters, single benzoic acid resorcinol, in 2-hydroxy-4-n-octoxybenzophenone
Any or more than any two mixture.
Preferably, the particle size range of the particle A is 2mm in the step (a).
It takes PMMA alloy-PC composite plate made from above-described embodiment to be tested, it is as follows to measure parameter:
Light transmittance is 93.3%, mist degree 0%, warpage 0%, pencil hardness H, and 30 minutes percent thermal shrinkages are at 130 DEG C
0%。
Embodiment 8
A kind of compound board manufacturing method of PMMA alloy-PC, preparation step are as follows:
(a) 4 parts of antioxidant, 2 parts of UV stabilizers are taken in parts by weight and the antioxidant, the UV stabilizer are placed in blender
In, it, will be described again with the stirring of 360r/min revolving speed 5 minutes to form pre-composition after first being stirred 2 minutes with 60r/min revolving speed
Pre-composition, which is placed in pelletizing machine, is made particle A；
(b) 29 parts of PMMA block compositions, 85 parts of polycarbonate A are taken in parts by weight, by PMMA block compositions, described
The particle A obtained, which is placed in pelletizer, in polycarbonate A, step (a) is made particle B, a Duan Wendu of the pelletizer
For 223 DEG C, two sections of temperature be 232 DEG C, three sections of temperature are 242 DEG C, and die temperature is 250 DEG C, and the plasticizing residence time is 2 minutes,
Absolute vacuum pressure is 0.07Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 14% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, and the layer B is by described
Polycarbonate B is extruded into after being melted plasticizing, and the composite layer is compound through constant temperature roller calendering formation formation PMMA alloy-PC
Plate.
Preferably, in the step (b), the PMMA block compositions the preparation method is as follows:
Take the component of following parts by weight:
64 parts of monomer A,
19 parts of monomer B,
1 part of initiator,
44 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 60 minutes, then keeps 80
DEG C reaction 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours, then cool down under 84 DEG C of polymeric reaction temperature
Crushing obtains the PMMA block compositions after discharging and evaporating solvent.
Preferably, constant temperature roller described in the step (c) includes the first roller, the second roller, third roller, the composite layer is first
It is first delayed through first roll-in and successively forms that form PMMA alloy-PC compound by second roller, the three-roller calendaring again
Plate.
Preferably, first roller is flexible roller, second roller, the third roller are steel roller, first roller,
Second roller, the third roller surface temperature be 100 DEG C.
Preferably, the monomer A be any one of methyl methacrylate, butyl acrylate, methacrylic acid or
Mixture more than any two.
Preferably, the monomer B is bismaleimide, N-phenylmaleimide, N- N-cyclohexylmaleimide
Any one of or the mixture more than any two.
Preferably, the chain-transferring agent is mercapto hydroxyl malic acid, the initiator is dibenzoyl peroxide.
Preferably, the antioxidant is 2,6- di-t-butyl -4-aminophenol, BASF antioxygen in the step (a)
Any one of agent Irganox B225, BASF Irganox 1010, three 2.4- di-tert-butyl base ester of phosphorous acid are appointed
Two or more mixtures.
Preferably, in the step (a), the UV stabilizer be BASF stabilizer T inuvin326,
Tinuvin944,2,4,6- 32 ' n-butoxyphenyls -1,3,5-triazines, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines,
31,2,2,6,6- pempidine base phosphite esters, single benzoic acid resorcinol, in 2-hydroxy-4-n-octoxybenzophenone
Any or more than any two mixture.
Preferably, the particle size range of the particle A is 2mm in the step (a).
It takes PMMA alloy-PC composite plate made from above-described embodiment to be tested, it is as follows to measure parameter:
Light transmittance is 93.2%, mist degree 0%, warpage 0.1%, pencil hardness H, and 30 minutes percent thermal shrinkages are at 130 DEG C
0.1%。
Embodiment 9
A kind of compound board manufacturing method of PMMA alloy-PC, preparation step are as follows:
(a) 4 parts of antioxidant, 2 parts of UV stabilizers are taken in parts by weight and the antioxidant, the UV stabilizer are placed in blender
In, it, will be described again with the stirring of 360r/min revolving speed 6 minutes to form pre-composition after first being stirred 3 minutes with 60r/min revolving speed
Pre-composition, which is placed in pelletizing machine, is made particle A；
(b) 29 parts of PMMA block compositions, 87 parts of polycarbonate A are taken in parts by weight, by PMMA block compositions, described
The particle A obtained, which is placed in pelletizer, in polycarbonate A, step (a) is made particle B, a Duan Wendu of the pelletizer
For 224 DEG C, two sections of temperature be 234 DEG C, three sections of temperature are 244 DEG C, and die temperature is 280 DEG C, and the plasticizing residence time is 2 minutes,
Absolute vacuum pressure is 0.08Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 20% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, and the layer B is by described
Polycarbonate B is extruded into after being melted plasticizing, and the composite layer is compound through constant temperature roller calendering formation formation PMMA alloy-PC
Plate.
Preferably, in the step (b), the PMMA block compositions the preparation method is as follows:
Take the component of following parts by weight:
65 parts of monomer A,
20 parts of monomer B,
1.5 parts of initiator,
45 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 65 minutes, then keeps 80
DEG C reaction 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours, then cool down under 85 DEG C of polymeric reaction temperature
Crushing obtains the PMMA block compositions after discharging and evaporating solvent.
Preferably, constant temperature roller described in the step (c) includes the first roller, the second roller, third roller, the composite layer is first
It is first delayed through first roll-in and successively forms that form PMMA alloy-PC compound by second roller, the three-roller calendaring again
Plate.
Preferably, first roller is flexible roller, second roller, the third roller are steel roller, first roller,
Second roller, the third roller surface temperature be 140 DEG C.
Preferably, the monomer A be any one of methyl methacrylate, butyl acrylate, methacrylic acid or
Mixture more than any two.
Preferably, the monomer B is bismaleimide, N-phenylmaleimide, N- N-cyclohexylmaleimide
Any one of or the mixture more than any two.
Preferably, the chain-transferring agent is mercapto hydroxyl malic acid, the initiator is dibenzoyl peroxide.
Preferably, the antioxidant is 2,6- di-t-butyl -4-aminophenol, BASF antioxygen in the step (a)
Any one of agent Irganox B225, BASF Irganox 1010, three 2.4- di-tert-butyl base ester of phosphorous acid are appointed
Two or more mixtures.
Preferably, in the step (a), the UV stabilizer be BASF stabilizer T inuvin326,
Tinuvin944,2,4,6- 32 ' n-butoxyphenyls -1,3,5-triazines, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines,
31,2,2,6,6- pempidine base phosphite esters, single benzoic acid resorcinol, in 2-hydroxy-4-n-octoxybenzophenone
Any or more than any two mixture.
Preferably, the particle size range of the particle A is 3mm in the step (a).
It takes PMMA alloy-PC composite plate made from above-described embodiment to be tested, it is as follows to measure parameter:
Light transmittance is 93.1%, mist degree 0%, warpage 0.2%, pencil hardness H, and 30 minutes percent thermal shrinkages are at 130 DEG C
0.1%。
In short, the foregoing is merely presently preferred embodiments of the present invention, made by all ranges according to the present patent application patent
Deng variation and modification, it is all covered by the present invention.
Claims (10)
1. a kind of compound board manufacturing method of PMMA alloy-PC, it is characterised in that: preparation step is as follows:
(a) 3 ~ 4 parts of antioxidant, 1 ~ 2 part of UV stabilizer are taken in parts by weight and the antioxidant, the UV stabilizer are placed in and are stirred
It mixes in machine, again with the stirring of 360r/min revolving speed 5 ~ 6 minutes to form pre-composition after first being stirred 2 ~ 3 minutes with 60r/min revolving speed,
The pre-composition is placed in pelletizing machine, particle A is made；
(b) 29 ~ 30 parts of PMMA block compositions, 63 ~ 87 parts of polycarbonate A are taken in parts by weight, combine the PMMA block
Object, the polycarbonate A, the particle A obtained is placed in pelletizer and particle B is made in step (a), and the one of the pelletizer
Duan Wendu is 212 ~ 225 DEG C, two sections of temperature are 220 ~ 235 DEG C, three sections of temperature are 230 ~ 245 DEG C, and die temperature is 250 ~ 290
DEG C, the plasticizing residence time is 1 ~ 2 minute, and absolute vacuum pressure is 0.06 ~ 0.08Mpa；
(c) polycarbonate B is taken, the particle B and the polycarbonate B are separately added into extruder, the polycarbonate B and institute
It states after particle B is melted plasticizing and from the die head of extruder is extruded into composite layer, the composite layer includes layer A and layer B, the layer
A accounts for the 5% ~ 20% of the composite layer overall thickness, and the layer A is extruded into after being melted plasticizing by the particle B, the layer B by
The polycarbonate B is extruded into after being melted plasticizing, and the composite layer is multiple through constant temperature roller calendering formation formation PMMA alloy-PC
Plywood.
2. a kind of compound board manufacturing method of PMMA alloy-PC according to claim 1, it is characterised in that: the step (b)
In, the PMMA block compositions the preparation method is as follows: taking the component of following parts by weight:
45 ~ 65 parts of monomer A,
15 ~ 20 parts of monomer B,
1 ~ 1.5 part of initiator,
35 ~ 45 parts of n-butanol,
3 parts of chain-transferring agent；
The n-butanol, the monomer A, the monomer B are added in a kettle and is uniformly mixed, then draws described in addition
Agent is sent out, after the reaction kettle is warming up to 55 DEG C, so that the reaction kettle is risen to 80 DEG C by 55 DEG C in 55 ~ 65 minutes, then protects
It holds 80 DEG C to react 1 hour, the chain-transferring agent is then added dropwise, polymerization reaction 2 hours under 83 ~ 85 DEG C of polymeric reaction temperature,
Then it cooling discharge and evaporates to crush after solvent and obtains the PMMA block compositions.
3. a kind of compound board manufacturing method of PMMA alloy-PC according to claim 1, it is characterised in that: the step (c)
Described in constant temperature roller include the first roller, the second roller, third roller, the composite layer first through first roll-in delay again successively by
Second roller, the three-roller calendaring form to form PMMA alloy-PC composite plate.
4. a kind of compound board manufacturing method of PMMA alloy-PC according to claim 3, it is characterised in that: first roller
For flexible roller, second roller, the third roller are steel roller, the surface of first roller, second roller, the third roller
Temperature is 100 ~ 140 DEG C.
5. a kind of compound board manufacturing method of PMMA alloy-PC according to claim 2, it is characterised in that: the monomer A is
Any one of methyl methacrylate, butyl acrylate, methacrylic acid or the mixture more than any two.
6. a kind of compound board manufacturing method of PMMA alloy-PC according to claim 2, it is characterised in that: the monomer B is
Any one of bismaleimide, N-phenylmaleimide, N- N-cyclohexylmaleimide or the mixing more than any two
Object.
7. a kind of compound board manufacturing method of PMMA alloy-PC according to claim 2, it is characterised in that: the chain tra nsfer
Agent is mercapto hydroxyl malic acid, and the initiator is dibenzoyl peroxide.
8. a kind of compound board manufacturing method of PMMA alloy-PC according to claim 1, it is characterised in that: the step (a)
In, the antioxidant is 2,6- di-t-butyl -4-aminophenol, BASF anti-oxidant Irganox B225, BASF
Any one of Irganox 1010, phosphorous acid three (2.4- di-tert-butyl-phenyl) ester or the mixture more than any two.
9. a kind of compound board manufacturing method of PMMA alloy-PC according to claim 1, it is characterised in that: the step (a)
In, the UV stabilizer is BASF stabilizer T inuvin326, Tinuvin944,2,4,6- tri- (2 ' n-butoxyphenyls)-
1,3,5-triazines, 4- benzoyloxy -2,2,6,6- tetramethyl piperidines, three (1,2,2,6,6- pempidine base) phosphite esters,
Any one of single benzoic acid resorcinol, 2-hydroxy-4-n-octoxybenzophenone or the mixture more than any two.
10. a kind of compound board manufacturing method of PMMA alloy-PC according to claim 1, it is characterised in that: the step
(a) in, the particle size range of the particle A is 1mm ~ 3mm.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331983A (en) * | 2020-03-16 | 2020-06-26 | 苏州奥美材料科技有限公司 | Polymethyl methacrylate and polycarbonate composite board and preparation method thereof |
| CN114015093A (en) * | 2021-11-23 | 2022-02-08 | 浙江道明光电科技有限公司 | PC-PMMA composite board with impact resistance, high light transmittance, low haze and low crystal point |
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| CN114015093A (en) * | 2021-11-23 | 2022-02-08 | 浙江道明光电科技有限公司 | PC-PMMA composite board with impact resistance, high light transmittance, low haze and low crystal point |
| CN114015093B (en) * | 2021-11-23 | 2023-11-28 | 浙江道明光电科技有限公司 | PC-PMMA composite board with impact resistance, high light transmittance, low haze and low crystal point |
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