CN106832863A - The regeneration PC alloy materials and its production method of a kind of anti-stress cracking - Google Patents
The regeneration PC alloy materials and its production method of a kind of anti-stress cracking Download PDFInfo
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- CN106832863A CN106832863A CN201710116525.5A CN201710116525A CN106832863A CN 106832863 A CN106832863 A CN 106832863A CN 201710116525 A CN201710116525 A CN 201710116525A CN 106832863 A CN106832863 A CN 106832863A
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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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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses the regeneration PC alloy materials and its production method of a kind of anti-stress cracking,Preparation method includes broken,Batch mixing,The operating procedures such as granulation,And the PC alloy materials are by regenerating PC raw materials,ASA resin,SMA resins,Silicone oil,Chain extender,Compatilizer,Toughener and age resister are constituted,Above raw material is put into batch mixer according to certain rate of charge and stirs mixing,By step made above,The regeneration PC alloy materials of the anti-stress cracking required for finally giving the present invention,The present invention carries out chain extension by regeneration PC materials and other materials,It is modified,Form macromolecular link,Improve the interface affinity between macromolecular material and inorganic filler,Improve the adhesion between the compatibility and substrate molecule of regeneration PC materials and anti-stress cracking agent,Improve the anti-stress cracking performance of material.The method of the present invention is simple to operate, and processing fluidity is good, and controllability is strong, favorable reproducibility, and product quality stabilization, production efficiency is high, it is easy to industrialized production.
Description
Technical field
The present invention relates to Material Field, more particularly to a kind of anti-stress cracking regeneration PC alloy materials and its producer
Method.
Background technology
Makrolon (PC) is a kind of thermoplastic engineering plastic of excellent combination property, with impact strength is high, creep resistant,
Good stability of the dimension, heat-resisting, transparent, dielectric properties are good etc., are widely used.And PC is a kind of macromolecule polymeric material, molecule
Amount distribution is very vast, and polymer molecular weight is bigger, and molecular chain structure is bigger, and strand intermolecular forces and entanglement degree increase, and resist
Stress cracking ability is stronger；Polymer molecular weight is small, and molecular chain structure is small, and polymer molecular weight distribution is wide, low molecular weight compositions
Bigger, anti-stress cracking ability is weak, easily forms microcosmic tear, causes stress concentration, causes product to ftracture, and seriously constrains PC
The application of alloy material.At present, PC alloy material stress crackings are solved the problems, such as, PC is mainly improved by the method being modified and is closed
The anti-stress cracking of golden material, conventional method is to add compatilizer, antioxidant, toughener etc. in PC alloy materials to solve
Certainly, various anti-stress cracking agent products are also accordingly developed, effect is not very good.Such as：A kind of anti-stress cracking agent its system
Preparation Method and application and a kind of resistance to stress PC polyester (number of patent application 201310393082.6), a kind of PC anti-stress crackings agent
Preparation method and its usage (number of patent application 201410428806.0), develops different PC alloy material anti-stress crackings
Agent, but essence is also the anti-stress cracking performance that PC alloy materials are improved by method of modifying, particularly regenerates the PC of application
Material, by repeatedly processing, molecular chain structure is substantially reduced, and anti-stress cracking ability is weaker, how to improve regeneration PC
The problem of alloy material anti-stress cracking turns into our focus of attention.
The present invention in view of the shortcomings of the prior art, by adding ASA resin (styrene, acrylonitrile and acryl rubber etc.
A kind of Resin Used As Impact Modifier of ter-polymers combined polymerization), SMA resins (phenylethylene-maleic anhydride), silicone oil and anti-ageing
The materials such as agent, and mixed according to a certain amount of weight ratio, kneaded, the present invention is by regeneration PC materials and other materials
Material carries out chain extension, modified, formation macromolecular link, improves the interface affinity between macromolecular material and inorganic filler, improves
Adhesion between regeneration PC materials and the compatibility and substrate molecule of anti-stress cracking agent, improves the anti-stress cracking of material
Performance.The method of the present invention is simple to operate, and processing fluidity is good, and controllability is strong, favorable reproducibility, product quality stabilization, production effect
Rate is high, it is easy to industrialized production.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of regeneration PC alloy materials of anti-stress cracking
And its production method, the technology of regeneration PC alloy material resistance to stress difference not high to regeneration PC utilization rates in the prior art to solve
Problem, the present invention is achieved by the following technical solutions：
The invention discloses a kind of production method that can improve regeneration PC alloy material anti-stress crackings, including following operation
Step：
1) crush, by the cleaning of renewable PC raw materials, be broken into powder powder of the largest particles no more than 3mm；
2) batch mixing, by step 1) in crush after PC particle powders input batch mixer in, then be separately added into ASA resin and
SMA resins are stirred, and silicone oil is added in whipping process, again to addition chain extender, phase in the batch mixer after stirring
Hold agent, toughener and age resister, obtain compound；
3) granulate, by step 2) in the compound that obtains be transferred to double screw extruder in carry out melting mixing, granulation；
The regeneration PC raw materials, ASA resin, SMA resins, silicone oil, chain extender, compatilizer, toughener and age resister
Components by weight percent is：
Wherein, step 2) described in batch mixer stirring rotating speed control at 300~400 revs/min, mix the time 5
~10min；
Further, in order to preferably realize the performance of the anti-stress cracking of PC alloy materials, chain extender is RPS-1005
Type chain extender or ADR-4368 type chain extenders；The compatilizer is EMA1913AC types compatilizer or EMA1125AC type compatilizers；
The toughener is the one kind in MBS E-920 types toughener, MBS S-6720 types toughener or MBS EM500 type toughener；
Further, the age resister in the present invention is by 4,4'- thiobis (the 6- tert-butyl group -3- methylphenols), 2- first
Base -4- hydroxyl -5- 2-methyl-2-phenylpropane base butane and the double octadecyls of thio-2 acid are mixed, wherein 4,4'- thiobis (the tertiary fourths of 6-
Base -3- methylphenols), the components by weight percent of the double octadecyls of 2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane base butane and thio-2 acid
For：
30~50 parts of 4,4'- thiobis (the 6- tert-butyl group -3- methylphenols)
30~50 parts of 2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases butane
Double 10~30 parts of the octadecyls of thio-2 acid.
Further, step 3) in compound is transferred in double screw extruder carry out melting mixing, granulation, twin-screw squeeze
Go out machine barrel temperature in extrusion and be divided into ten temperature provinces, the temperature of ten temperature provinces is controlled respectively：First humidity province
It is 180-220 DEG C；Second temperature area is 230-250 DEG C；3rd humidity province is 240-260 DEG C；4th humidity province is 230-250
℃；5th humidity province is 250-260 DEG C；6th humidity province is 230-250 DEG C；7th humidity province is 200-220 DEG C；8th temperature
Area is 190-210 DEG C；9th humidity province is 210-230 DEG C；Tenth humidity province is 220-240 DEG C；Extrusion pressure is 4.0-
5.0MPa, extruding pelletization obtains final product regeneration PC alloy materials.
It is conventional anti-to split modified PC to regenerate PC alloy Experimental comparison's data with product of the present invention as follows:
Have that molecular weight is big, resistance to stress strong by the regeneration PC alloy materials obtained by production method disclosed by the invention,
The characteristics of high to regeneration PC stock utilizations, while the method for the present invention is simple to operate, processing fluidity is good, and controllability is strong, weight
Existing property is good, and product quality stabilization, production efficiency is high, it is easy to industrialized production.
Brief description of the drawings
Fig. 1 is barrel temperature province distribution schematic diagram.
Specific embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out under premised on technical solution of the present invention
Implement, give detailed implementation method and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
Embodiment 1
Present embodiment discloses a kind of regeneration PC alloy materials of anti-stress cracking, its production stage is as follows：
1) crush, the powder after renewable PC raw materials are cleaned up with crusher in crushing into the largest particles no more than 3mm
Powder；
2) batch mixing, weigh it is broken after 84 parts of PC particle powders (component proportion by weight) input batch mixer in, then distinguish
Add 3 parts of ASA resins and 3 parts of SMA resins to be stirred, 1 part of 201 silicone oil added in whipping process, after stirring again to
0.3 part of RPS-1005 types chain extender, 2.7 parts of EMA1913AC types compatilizers, 1 part of MBS E-920 type toughener are added in batch mixer
With 5 parts of age resisters, compound is obtained；The rotating speed of batch mixer stirring is controlled at 300 revs/min, mixes time 5min；
3) granulate, by step 2) in the compound that obtains be transferred to double screw extruder in carry out melting mixing, granulation；
Age resister in embodiment is by 40 parts of (by weight) 4,4'- thiobis (the 6- tert-butyl group -3- methylbenzenes
Phenol), the double octadecyls of 40 parts of 2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane base butane and 20 parts of thio-2 acid mix, walk
It is rapid 3) in compound is transferred in double screw extruder carry out melting mixing, granulation, double screw extruder extrusion when, barrel temperature
Degree is divided into ten temperature provinces, as shown in figure 1, the temperature of ten temperature provinces is controlled respectively：First humidity province is 180-220
℃；Second temperature area is 230-250 DEG C；3rd humidity province is 240-260 DEG C；4th humidity province is 230-250 DEG C；5th temperature
Area is 250-260 DEG C；6th humidity province is 230-250 DEG C；7th humidity province is 200-220 DEG C；8th humidity province is 190-210
℃；9th humidity province is 210-230 DEG C；Tenth humidity province (head) is 220-240 DEG C；Extrusion pressure is 4.0MPa, and extrusion is made
Grain, obtains final product regeneration PC alloy materials.Regeneration PC alloy materials in embodiment 1 are strong in stretching compared with secondary alloy PC materials
Degree, bending strength, the deformation of dimension card and glacial acetic acid immersion destructive test aspect have a significant effect.
Embodiment 2
Embodiment 2 discloses a kind of regeneration PC alloy materials of anti-stress cracking, and its production stage is as follows：
1) crush, the powder after renewable PC raw materials are cleaned up with crusher in crushing into the largest particles no more than 3mm
Powder；
2) batch mixing, weigh it is broken after 90 parts of PC particle powders (component proportion by weight) input batch mixer in, then distinguish
Add 3 parts of ASA resins and 1 part of SMA resin to be stirred, 0.5 part of 201 silicone oil is added in whipping process, after stirring again
Increase to 0.3 part of ADR-4368 types chain extender, 1.2 parts of EMA1125AC types compatilizers, 1 part of MBS S-6720 type is added in batch mixer
Tough dose and 3 parts of age resisters, obtain compound；The rotating speed of batch mixer stirring is controlled at 400 revs/min, mixes the time
10min；
3) granulate, by step 2) in the compound that obtains be transferred to double screw extruder in carry out melting mixing, granulation；
Age resister in embodiment is by 30 parts of (by weight) 4,4'- thiobis (the 6- tert-butyl group -3- methylbenzenes
Phenol), the double octadecyls of 40 parts of 2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane base butane and 30 parts of thio-2 acid mix, walk
It is rapid 3) in compound is transferred in double screw extruder carry out melting mixing, granulation, double screw extruder extrusion when, barrel temperature
Degree is divided into ten temperature provinces, and the temperature of ten temperature provinces is controlled respectively：First humidity province is 180-220 DEG C；Second temperature
Degree area is 230-250 DEG C；3rd humidity province is 240-260 DEG C；4th humidity province is 230-250 DEG C；5th humidity province is 250-
260℃；6th humidity province is 230-250 DEG C；7th humidity province is 200-220 DEG C；8th humidity province is 190-210 DEG C；9th
Humidity province is 210-230 DEG C；Tenth humidity province (head) is 220-240 DEG C；Extrusion pressure is 4.0MPa, and extruding pelletization is obtained final product
Regeneration PC alloy materials.Regeneration PC alloy materials in embodiment 2 in tensile strength, bend compared with secondary alloy PC materials
Intensity, the deformation of dimension card and glacial acetic acid immersion destructive test aspect also have a significant effect.
Embodiment 3
Embodiment 3 discloses a kind of regeneration PC alloy materials of anti-stress cracking, and its production stage is as follows：
1) crush, the powder after renewable PC raw materials are cleaned up with crusher in crushing into the largest particles no more than 3mm
Powder；
2) batch mixing, weigh it is broken after 85 parts of PC particle powders (component proportion by weight) input batch mixer in, then distinguish
Add 4 parts of ASA resins and 2 parts of SMA resins to be stirred, 1 part of 201 silicone oil added in whipping process, after stirring again to
0.5 part of RPS-1005 types chain extender, 1.5 parts of EMA1125AC types compatilizers, 2 parts of MBS EM500 type toughener are added in batch mixer
With 4 parts of age resisters, compound is obtained；The rotating speed of batch mixer stirring is controlled at 400 revs/min, mixes time 8min；
3) granulate, by step 2) in the compound that obtains be transferred to double screw extruder in carry out melting mixing, granulation；
Age resister in embodiment is by 35 parts of (by weight) 4,4'- thiobis (the 6- tert-butyl group -3- methylbenzenes
Phenol), the double octadecyls of 35 parts of 2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane base butane and 30 parts of thio-2 acid mix, walk
It is rapid 3) in compound is transferred in double screw extruder carry out melting mixing, granulation, double screw extruder extrusion when, barrel temperature
Degree is divided into ten temperature provinces, and the temperature of ten temperature provinces is controlled respectively：First humidity province is 180-220 DEG C；Second temperature
Degree area is 230-250 DEG C；3rd humidity province is 240-260 DEG C；4th humidity province is 230-250 DEG C；5th humidity province is 250-
260℃；6th humidity province is 230-250 DEG C；7th humidity province is 200-220 DEG C；8th humidity province is 190-210 DEG C；9th
Humidity province is 210-230 DEG C；Tenth humidity province (head) is 220-240 DEG C；Extrusion pressure is 5.0MPa, and extruding pelletization is obtained final product
Regeneration PC alloy materials.Regeneration PC alloy materials in embodiment 3 in tensile strength, bend compared with secondary alloy PC materials
Intensity, the deformation of dimension card and glacial acetic acid immersion destructive test aspect also have a significant effect.
Claims (5)
1. a kind of production method that can improve regeneration PC alloy material anti-stress crackings, including following operating procedure：
1) crush, by the cleaning of renewable PC raw materials, be broken into powder powder of the largest particles no more than 3mm；
2) batch mixing, by step 1) in crush after PC particle powders input batch mixer in, then be separately added into ASA resin and SMA trees
Fat is stirred, and silicone oil is added in whipping process, after stirring again in the batch mixer add chain extender, compatilizer,
Toughener and age resister, obtain compound；
3) granulate, by step 2) in the compound that obtains be transferred to double screw extruder in carry out melting mixing, granulation；
Characterized in that, the regeneration PC raw materials, ASA resin, SMA resins, silicone oil, chain extender, compatilizer, toughener and anti-ageing
The components by weight percent of agent is：
Wherein, step 2) described in batch mixer stirring rotating speed control at 300~400 revs/min, mix the time 5~
10min。
2. a kind of energy as claimed in claim 1 improves the production method of regeneration PC alloy material anti-stress crackings, and its feature exists
In the chain extender is RPS-1005 types chain extender or ADR-4368 type chain extenders；The compatilizer is that EMA1913AC types are compatible
Agent or EMA1125AC type compatilizers；The toughener is MBS E-920 types toughener, MBS S-6720 types toughener or MBS
One kind in EM500 type toughener.
3. a kind of energy as claimed in claim 1 improves the production method of regeneration PC alloy material anti-stress crackings, and its feature exists
In the age resister is by 4,4'- thiobis (the 6- tert-butyl group -3- methylphenols), 2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases
Butane and the double octadecyls of thio-2 acid are mixed, wherein 4, the 4'- thiobis (the 6- tert-butyl group -3- methylphenols),
The components by weight percent of the double octadecyls of 2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane base butane and thio-2 acid is：
30~50 parts of 4,4'- thiobis (the 6- tert-butyl group -3- methylphenols)
30~50 parts of 2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases butane
Double 10~30 parts of the octadecyls of thio-2 acid.
4. a kind of energy as claimed in claim 1 improves the production method of regeneration PC alloy material anti-stress crackings, and its feature exists
In step 3) in compound is transferred to double screw extruder in carry out melting mixing, granulation, the double screw extruder extrusion
When, barrel temperature is divided into ten temperature provinces, and the temperature of described ten temperature provinces is controlled respectively：First humidity province is 180-
220℃；Second temperature area is 230-250 DEG C；3rd humidity province is 240-260 DEG C；4th humidity province is 230-250 DEG C；5th
Humidity province is 250-260 DEG C；6th humidity province is 230-250 DEG C；7th humidity province is 200-220 DEG C；8th humidity province is
190-210℃；9th humidity province is 210-230 DEG C；Tenth humidity province is 220-240 DEG C；Extrusion pressure is 4.0-5.0MPa, is squeezed
Go out granulation, obtain final product regeneration PC alloy materials.
5. a kind of regeneration PC alloy materials of anti-stress cracking, it is characterised in that the regeneration PC alloy materials of the anti-stress cracking
Material is the production method institute that regeneration PC alloy material anti-stress crackings can be improved using any one as described in claim 1-4
Obtain.
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Cited By (1)
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| CN108997734A (en) * | 2018-07-20 | 2018-12-14 | 广东国立科技股份有限公司 | A kind of PPO alloy and preparation method thereof of the resistance to boiling of chemically-resistant |
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| CN106832863B (en) | 2019-05-03 |
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