CN109679313A - A kind of PC-ABS plastic building template that can be recycled - Google Patents
A kind of PC-ABS plastic building template that can be recycled Download PDFInfo
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- CN109679313A CN109679313A CN201811545455.6A CN201811545455A CN109679313A CN 109679313 A CN109679313 A CN 109679313A CN 201811545455 A CN201811545455 A CN 201811545455A CN 109679313 A CN109679313 A CN 109679313A
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- carbon black
- abs plastic
- benzophenone
- building template
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
Abstract
The invention discloses a kind of PC-ABS plastic building templates that can be recycled, and are related to building template field, it is intended to solve the problems, such as that the reusable property of existing building template is poor, technical points include following parts by weight: 50-65 parts of polycarbonate；Carbon black modified ABS plastic 45-70 parts；15-26 parts of alkali-free glass fibre；Dimethyl silicone polymer -8-15 parts of maleic anhydride；Carbon black -10-15 parts of benzophenone；Polyacrylamide-acetic acid；10-16 portions 10-18 parts of triphenyl phosphate, the reusable purpose of template is reached.
Description
Technical field
The present invention relates to building template fields, more specifically, it relates to which a kind of PC-ABS plastics that can be recycled are built
Building mould.
Background technique
Building template is a kind of temporary supporting structure, makes by design requirement, makes concrete structure, component by defined
Position, geometric dimension forming keep its correct position, and bear the external loads of building template self weight and effect on it, cast-in-place
The working architectural template structure of concrete structure engineering is mainly made of panel, support construction and connector three parts, panel
It is the force bearing plate of direct contact newly-laid concrete；Support construction is then the temporary structure of supporting faceplate, concrete and construction loads,
Guarantee architectural template structure combine securely, accomplish it is indeformable, do not destroy；Connector be panel is connected into support construction it is whole
The accessory of body.
Existing frequently-used building template has plank sheathing, steel form etc., but the mechanical property of wood based panel is lower, and concrete
The phenomenon that in process of setting, volume becomes larger, and wood based panel easily deforms and is broken, and the density of steel form is high, weight is big, no
It is suitble to transport for a long time, wood based panel and steel form hardly result in sufficient recycling, will cause the waste and production of material
The raising of cost, therefore now in the production of building template.
Existing application publication number is the Chinese patent of 105733238 A of CN, discloses a kind of color inhibition PC/ABS alloy.
A kind of color inhibition PC/ABS alloy, is grouped as by the group of following parts by weight: 50~65 parts of fatty poly-ester carbonate；ABS resin
20~30 parts；1~3 part of compatilizer；0.3~1 part of ultraviolet absorber；2~5 parts of halogen-free flame retardants；5~10 parts of filler；Function
0~5 part of auxiliary agent, novel ultraviolet absorber is used in PC/ABS alloy of the invention.
But the mechanical property of the invention is poor, is easily damaged when using as building template, not can be carried out repetition benefit
With.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to the PC-ABS plastic building templates of offer, not only
With the original performance of plastics, and its excellent mechanical, have the advantages that reusable.
To achieve the above object, the present invention provides the following technical scheme that
A kind of PC-ABS plastic building template that can be recycled, it is characterised in that: including following parts by weight:
By taking above-mentioned technical proposal, polycarbonate is the high molecular polymer in strand containing carbonate group, root
The multiple types such as aliphatic, aromatic series, aliphatic-aromatic can be divided into according to the structure of ester group, but aliphatic and aliphatic-virtue
The mechanical performance of fragrant adoption carbonic ester is lower, and ABS plastic is the terpolymer of acrylonitrile, butadiene and styrene, tool
There are high-intensitive, high tenacity and easy processing molding, therefore ABS plastic is added in polycarbonate and is combined into PC-ABS modeling
Material, can make PC-ABS plastic building template in use, have good intensity and toughness, facilitate PC-ABS plastics
Building template recycles；Polycarbonate is not alkaline-resisting simultaneously and ultraviolet light, therefore alkali-free glass fibre is added and is increasing PC-
Outside the tensile strength of ABS plastic template, destruction of the alkalinity to polycarbonate itself of alkali-free glass fibre can reduce, and charcoal
Black-benzophenone can be absorbed as UV resistant agent and shielding ultraviolet rays, and PC-ABS plastic formwork is avoided to use in the sunlight
The problems such as aging occurs, and alkali-free glass fibre has the performance for allowing ultraviolet light to pass through, and is more conducive to carbon black-benzophenone pair
The absorption of ultraviolet light；Dimethyl silicone polymer-maleic anhydride, polyacrylamide-acetic acid and triphenyl phosphate are then respectively as phase
Hold agent, lubricant and fire retardant to improve the compatibility, ageing resistance and anti-flammability of PC-ABS plastic formwork；And because ABS
The problems such as plastics can leave moisture in process of production, and the surface of PC-ABS plastic formwork is made to form water wave, influences PC-ABS modeling
The mechanical property and using effect for expecting template, can effectively remove PC-ABS the modern designs of plastics by carbon black modified carbon black-ABS plastic
Excessive moisture in plate；In short, PC-ABS plastic template system of the invention not only has the original excellent properties of plastic material,
That there are also bending strengths is high, intensity is high, Acclimation temperature range is big, it is resistance to fall, not advantages such as embrittlement, may be reused, improve PC-
The utilization rate of ABS plastic template.
The further setting of the present invention is that the carbon black modified ABS plastic includes following parts by weight:
By taking above-mentioned technical proposal, ABS plastic is three kinds of acrylonitrile (A), butadiene (B), styrene (S) monomers
Terpolymer, three kinds of monomer relative amounts can arbitrarily change, and various resins, ABS and the common performance there are three types of constituent element is made,
It is resistant to chemical etching, heat-resisting that A makes its, and has certain surface hardness, can to avoid PC-ABS plastic formwork in use by
It is deformed to shock；B makes it have high resiliency and toughness, can become larger during concrete setting for volume of concrete
Part exhaust reserved space, avoids PC-ABS plastic formwork from being cracked；S makes it have the machine-shaping characteristic of thermoplastic simultaneously
Improve electrical property, be conducive to ABS plastic in injection molding machine with polycarbonate and other added material injection moldings, because of PC-
ABS plastic template can be easy to produce electrostatic, S makes PC- constantly by the collision and friction of various tools in use
ABS plastic template has certain electric conductivity, can in time drain electrostatic, avoids generating electrostatic spark, causes fire etc.
Harm；Carbon black simultaneously is a kind of light, pine and superfine black powder, surface area are very big as a kind of amorphous carbon, and
It is not easy to be destroyed, further increases the intensity of ABS plastic, and absorb the moisture between ABS plastic, while ethylene acrylic conduct
The compatibility between carbon black and acrylonitrile, butadiene and styrene can be improved in a kind of compatilizer.
The further setting of the present invention is that the preparation step of the carbon black modified ABS plastic is as follows:
(1) by 25-36 parts of 30-45 parts of acrylonitrile, 42-56 parts of butadiene and styrene 70-80 DEG C at a temperature of preheat 1-
2.5h；
(2) by step (1) 25-36 parts of 42-56 parts of 30-45 parts of acrylonitrile, butadiene, styrene and 10-25 parts of carbon black,
Injection molding in the injection molding machine that injection temperature is 190-210 DEG C is added in 5-16 parts of ethylene acrylic after mixing, then through double spiral shells
Bar extruder, which is mediated, to be granulated.
By taking above-mentioned technical proposal, make to carry out at a temperature of acrylonitrile, butadiene and present 70-80 DEG C of styrene pre-
Heat, can remove some moisture in advance, and this temperature not will cause the broken of acrylonitrile, butadiene and styrene form and structure
It is bad, finally by acrylonitrile, butadiene, styrene, carbon black and ethylene acrylic be added in injection molding machine first injection molding then into
Row, which is granulated, to be conducive to mix acrylonitrile, butadiene and styrene with carbon black more uniform, is conducive to later period PC-ABS plastics
The production of template.
The further setting of the present invention is that the sodium oxide content of the alkali-free glass fibre is 0-1.2%.
By taking above-mentioned technical proposal because polycarbonate is not alkaline-resisting, and glass fibre be divided into alkali-free glass fibre, in
Alkali glass fiber peacekeeping high alkali glass fibre, pH value have the content of sodium oxide molybdena to indicate, when the content of sodium oxide molybdena is 0-1.2%
Glass fibre can be made to level off to alkali-free and very weak bases, to polycarbonate will not recurring structure destruction.
The further setting of the present invention is that the carbon black-benzophenone includes following parts by weight:
5-10 parts of carbon black
3-8 parts of benzophenone
10-14 parts of dehydrated alcohol.
By taking above-mentioned technical proposal, carbon black can be used as a kind of UV resistant agent of shield type, can be to ultraviolet light
It being shielded and is absorbed, benzophenone can directly absorb ultraviolet light as the UV resistant agent of absorption-type, therefore with
The blend of carbon black and benzophenone as UV resistant agent, work along both lines and eliminate to ultraviolet light by shielding and absorption, can be with
Effectively avoid the problems such as being influenced by ultraviolet light and causing the aging of PC-ABS plastic formwork.
The further setting of the present invention is that the preparation step of the carbon black-benzophenone is as follows:
3-8 parts of benzophenone are dissolved in 10-14 parts of dehydrated alcohol and obtains benzophenone-ethanol solution；
By 5-10 parts of carbon black in 15-20 parts of dehydrated alcohol ultrasound 30-50min obtain carbon black-dehydrated alcohol dispersion liquid；
Benzophenone-ethanol solution is uniformly mixed with carbon black-dehydrated alcohol dispersion liquid, 50-60 DEG C at a temperature of plus
Hot 30-40min obtains carbon black-benzophenone.
By taking above-mentioned technical proposal, benzophenone dissolves in dehydrated alcohol, and benzophenone-ethanol solution is made
Afterwards, it mixes benzophenone-ethanol solution with carbon black-dehydrated alcohol dispersion liquid, benzophenone and carbon black can be made abundant
Ground mixes, and the dehydrated alcohol being added can not be interfered with other materials by thermal evaporation during heating
Property.
The further setting of the present invention is that the dimethyl silicone polymer-maleic anhydride includes following components by weight percent:
10-18 parts of maleic anhydride
3-6 parts of dimethyl silicone polymer.
By taking above-mentioned technical proposal, maleic anhydride is also known as maleic anhydride, and abbreviation cis-butenedioic anhydride is maleic acid
Acid anhydrides is at room temperature sour colourless or white solid, is a kind of compatilizer of good high molecular polymer, but Malaysia
Acid anhydrides is easy to generate maleic acid with water, influences its property as compatilizer, and dimethyl silicone polymer is a kind of tool
There is the hydrophobic material of physiological inertia and good chemical stability, phase is used as after dimethyl silicone polymer is mixed with maleic anhydride
Holding agent can be very good to avoid maleic anhydride contact water and go bad, while dimethyl silicone polymer has good physics special
Property, be conducive to the intensity and toughness that increase PC-ABS plastic formwork.
The further setting of the present invention is that the polyacrylamide-acetic acid includes following components by weight percent:
5-11 parts of polyacrylamide
1-2 parts of acetic acid
10-12 parts of deionized water.
By taking above-mentioned technical proposal, polyacrylamide can effectively increase PC-ABS plastics as a kind of lubricant agent
The greasy property of template, but since polyacrylamide contains amide groups with certain alkalinity, and polyacrylamide is solvable
In acetic acid, the acidity of acetic acid can alleviate influence of the polyacrylamide alkalinity to polycarbonate, and the acidity of acetic acid is weaker, keeps away
Exempt from the effects of corrosion is generated to other substances.
Another object of the present invention is to provide a kind of preparation method of PC-ABS plastic building template that can be recycled,
The following steps are included:
(1) by 50-65 parts of polycarbonate, ABS plastic 45-70 parts and dimethyl silicone polymer-maleic anhydride 8- carbon black modified
15 parts mix 30-40min at a temperature of 180-220 DEG C；
(2) 30-40min will be blended in the mixture in 15-26 parts of alkali-free glass fibre additions step (1)；
(3) by 10-18 parts of carbon black -10-15 parts of benzophenone, polyacrylamide -10-16 parts of acetic acid and triphenyl phosphate addition steps
Suddenly the mixture in (2), 190-230 DEG C at a temperature of mix 1-2h, obtain PC-ABS plastics；
PC-ABS plastics addition in step (3) is put into mediate in double screw extruder and is granulated, then by PC-ABS plastics
PC-ABS plastic building template is obtained in grain addition injection molding machine.
By taking above-mentioned technical proposal, make polycarbonate, carbon black modified ABS plastic and compatilizer poly dimethyl first
Siloxanes-maleic anhydride is pre-mixed in advance, then adds alkali-free glass fibre, finally adds carbon black-hexichol first
Ketone, polyacrylamide-acetic acid and triphenyl phosphate are mixed, progressive, make each material by mixing it is more uniform,
And then keep the performance of PC-ABS plastics various pieces consistent, and then be molded the intensity, tough of obtained PC-ABS plastic building template
Property etc. performances it is more excellent, will not because part performance it is poor and cause the damage of entire PC-ABS plastic building template.
In conclusion the invention has the following advantages:
1. carbon black modified ABS plastic and alkali-free glass fibre is added in the present invention in polycarbonate, and carbon black-hexichol first is added
Ketone, dimethyl silicone polymer-maleic anhydride, polyacrylamide-acetic acid and triphenyl phosphate are respectively as UV resistant agent, compatible
Agent, lubricant be good and fire retardant, and PC-ABS plastic building template obtained can be made not only to have plastic material original excellent
Performance, that there are also bending strengths is high, intensity is high, Acclimation temperature range is big, it is resistance to fall, not advantages such as embrittlement, may be reused, improve
The utilization rate of PC-ABS plastic formwork；
2. carbon black modified ABS plastic is added in polycarbonate by the present invention, carbon black can effectively remove ABS plastic and produce
Moisture in journey, avoids PC-ABS plastic formwork interior moisture content excessive and then the surface of PC-ABS plastic formwork generates water wave etc.
Phenomenon influences the intensity and stripping result of PC-ABS plastic formwork；
3. UV resistant agent of the invention is carbon black-benzophenone, keep carbon black and benzophenone resistance to ultraviolet respectively as shield type
Line agent and absorption-type UV resistant agent, the double action for being shielded and being absorbed to ultraviolet light substantially avoid PC-ABS plastics
Template by ultraviolet light radiation effect and the problems such as aging occurs；
4. compatilizer of the invention uses dimethyl silicone polymer-maleic anhydride, maleic anhydride is made to promote poly- carbon as compatilizer
While the fusion of the materials such as acid esters and carbon black modified ABS plastic, dimethyl silicone polymer makes Malaysia as a kind of hydrophobic material
Acid anhydrides avoids meeting water and being converted to maleic acid, and then guarantees the fusion of the materials such as polycarbonate and carbon black modified ABS plastic
When compatibility；
5. lubricant of the invention is polyacrylamide-acetic acid, polyacrylamide is dissolved in acetic acid, can not only increase poly- third
The acidity of acrylamide and the compatibility of other materials and acetic acid can alleviate influence of the polyacrylamide alkalinity to polycarbonate.
Specific embodiment
Invention is further described in detail with reference to embodiments.
Embodiment one:
The preparation method of carbon black modified ABS plastic includes the following steps:
(1) by 25 parts of 45 parts of acrylonitrile, 56 parts of butadiene and styrene 70 at a temperature of preheat 2.5h；
(2) by 36 parts of 56 parts of 45 parts of acrylonitrile, butadiene, the styrene and 25 parts of carbon black, ethylene acrylic 16 in step (1)
Injection molding in the injection molding machine that injection temperature is 210 DEG C is added in part after mixing, then mediates and be granulated through double screw extruder.
Carbon black-benzophenone preparation method includes the following steps:
(1) 8 parts of benzophenone are dissolved in 14 parts of dehydrated alcohol and obtain benzophenone-ethanol solution；
(2) by 10 parts of carbon black, ultrasound 50min obtains carbon black-dehydrated alcohol dispersion liquid in 20 parts of dehydrated alcohol；
(3) benzophenone-ethanol solution is uniformly mixed with carbon black-dehydrated alcohol dispersion liquid, 60 DEG C at a temperature of plus
Hot 40min obtains carbon black-benzophenone.
Dimethyl silicone polymer-maleic anhydride includes following components by weight percent:
18 parts of maleic anhydride
6 parts of dimethyl silicone polymer.
Polyacrylamide-acetic acid includes following components by weight percent:
11 parts of polyacrylamide
2 parts of acetic acid
12 parts of deionized water.
A kind of preparation method for the PC-ABS plastic building template that can be recycled, comprising the following steps:
(1) by 65 parts of polycarbonate, 70 parts of carbon black modified ABS plastic and 15 parts of dimethyl silicone polymer-maleic anhydride 220
40min is mixed at a temperature of DEG C；
(2) 40min will be blended in the mixture in 26 parts of alkali-free glass fibre additions step (1)；
It (3) will be in 18 parts of 15 parts of carbon black-benzophenone, 16 parts of polyacrylamide-acetic acid and triphenyl phosphate addition steps (2)
Mixture, 230 DEG C at a temperature of mix 2h, obtain PC-ABS plastics；
PC-ABS plastics addition in step (3) is put into mediate in double screw extruder and is granulated, then by PC-ABS plastics
PC-ABS plastic building template is obtained in grain addition injection molding machine.
Embodiment two:
The preparation method of carbon black modified ABS plastic includes the following steps:
(1) by 31 parts of 40 parts of acrylonitrile, 51 parts of butadiene and styrene 80 DEG C at a temperature of preheat 2h；
(2) by 31 parts of 51 parts of 40 parts of acrylonitrile, butadiene, the styrene and 20 parts of carbon black, ethylene acrylic 14 in step (1)
Injection molding in the injection molding machine that injection temperature is 210 DEG C is added in part after mixing, then mediates and be granulated through double screw extruder.
Carbon black-benzophenone preparation method includes the following steps:
(1) 6 parts of benzophenone are dissolved in 12 parts of dehydrated alcohol and obtain benzophenone-ethanol solution；
(2) by 8 parts of carbon black, ultrasound 45min obtains carbon black-dehydrated alcohol dispersion liquid in 18 parts of dehydrated alcohol；
(3) benzophenone-ethanol solution is uniformly mixed with carbon black-dehydrated alcohol dispersion liquid, 58 DEG C at a temperature of plus
Hot 38min obtains carbon black-benzophenone.
Dimethyl silicone polymer-maleic anhydride includes following components by weight percent:
16 parts of maleic anhydride
5 parts of dimethyl silicone polymer.
Polyacrylamide-acetic acid includes following components by weight percent:
9 parts of polyacrylamide
1.8 parts of acetic acid
12 parts of deionized water.
A kind of preparation method for the PC-ABS plastic building template that can be recycled, comprising the following steps:
(1) by 60 parts of polycarbonate, 65 parts of carbon black modified ABS plastic and 13 parts of dimethyl silicone polymer-maleic anhydride 210
35min is mixed at a temperature of DEG C；
(2) 35min will be blended in the mixture in 24 parts of alkali-free glass fibre additions step (1)；
It (3) will be in 16 parts of 14 parts of carbon black-benzophenone, 14 parts of polyacrylamide-acetic acid and triphenyl phosphate addition steps (2)
Mixture, 220 DEG C at a temperature of mix 1.5h, obtain PC-ABS plastics；
PC-ABS plastics addition in step (3) is put into mediate in double screw extruder and is granulated, then by PC-ABS plastics
PC-ABS plastic building template is obtained in grain addition injection molding machine.
Embodiment three:
The preparation method of carbon black modified ABS plastic includes the following steps:
(1) by 30 parts of 38 parts of acrylonitrile, 50 parts of butadiene and styrene 70 at a temperature of preheat 1h；
(2) by 30 parts of 50 parts of 38 parts of acrylonitrile, butadiene, the styrene and 18 parts of carbon black, ethylene acrylic 13 in step (1)
Injection molding in the injection molding machine that injection temperature is 200 DEG C is added in part after mixing, then mediates and be granulated through double screw extruder.
Carbon black-benzophenone preparation method includes the following steps:
(1) 5 parts of benzophenone are dissolved in 13 parts of dehydrated alcohol and obtain benzophenone-ethanol solution；
(2) by 7 parts of carbon black, ultrasound 40min obtains carbon black-dehydrated alcohol dispersion liquid in 18 parts of dehydrated alcohol；
(3) benzophenone-ethanol solution is uniformly mixed with carbon black-dehydrated alcohol dispersion liquid, 55 DEG C at a temperature of plus
Hot 33min obtains carbon black-benzophenone.
Dimethyl silicone polymer-maleic anhydride includes following components by weight percent:
14 parts of maleic anhydride
4 parts of dimethyl silicone polymer.
Polyacrylamide-acetic acid includes following components by weight percent:
9 parts of polyacrylamide
1.6 parts of acetic acid
12 parts of deionized water.
A kind of preparation method for the PC-ABS plastic building template that can be recycled, comprising the following steps:
(1) by 57 parts of polycarbonate, 60 parts of carbon black modified ABS plastic and 13 parts of dimethyl silicone polymer-maleic anhydride 200
36min is mixed at a temperature of DEG C；
(2) 33min will be blended in the mixture in 22 parts of alkali-free glass fibre additions step (1)；
It (3) will be in 15 parts of 13 parts of carbon black-benzophenone, 14 parts of polyacrylamide-acetic acid and triphenyl phosphate addition steps (2)
Mixture, 210 DEG C at a temperature of mix 2h, obtain PC-ABS plastics；
PC-ABS plastics addition in step (3) is put into mediate in double screw extruder and is granulated, then by PC-ABS plastics
PC-ABS plastic building template is obtained in grain addition injection molding machine.
Example IV:
The preparation method of carbon black modified ABS plastic includes the following steps:
(1) by 30 parts of 34 parts of acrylonitrile, 45 parts of butadiene and styrene 77 DEG C at a temperature of preheat 1h；
(2) by 30 parts of 45 parts of 34 parts of acrylonitrile, butadiene, the styrene and 14 parts of carbon black, ethylene acrylic 7 in step (1)
Injection molding in the injection molding machine that injection temperature is 190 DEG C is added in part after mixing, then mediates and be granulated through double screw extruder.
Carbon black-benzophenone preparation method includes the following steps:
(1) 4 parts of benzophenone are dissolved in 11 parts of dehydrated alcohol and obtain benzophenone-ethanol solution；
(2) by 6 parts of carbon black, ultrasound 33min obtains carbon black-dehydrated alcohol dispersion liquid in 16 parts of dehydrated alcohol；
(3) benzophenone-ethanol solution is uniformly mixed with carbon black-dehydrated alcohol dispersion liquid, 53 DEG C at a temperature of plus
Hot 34min obtains carbon black-benzophenone.
Dimethyl silicone polymer-maleic anhydride includes following components by weight percent:
12 parts of maleic anhydride
4 parts of dimethyl silicone polymer.
Polyacrylamide-acetic acid includes following components by weight percent:
6 parts of polyacrylamide
1 part of acetic acid
11 parts of deionized water.
A kind of preparation method for the PC-ABS plastic building template that can be recycled, comprising the following steps:
(1) by 56 parts of polycarbonate, 50 parts of carbon black modified ABS plastic and 9 parts of dimethyl silicone polymer-maleic anhydride 190
33min is mixed at a temperature of DEG C；
(2) 33min will be blended in the mixture in 16 parts of alkali-free glass fibre additions step (1)；
It (3) will be in 11 parts of 11 parts of carbon black-benzophenone, 11 parts of polyacrylamide-acetic acid and triphenyl phosphate addition steps (2)
Mixture, 200 DEG C at a temperature of mix 1-h, obtain PC-ABS plastics；
PC-ABS plastics addition in step (3) is put into mediate in double screw extruder and is granulated, then by PC-ABS plastics
PC-ABS plastic building template is obtained in grain addition injection molding machine.
Embodiment five:
The preparation method of carbon black modified ABS plastic includes the following steps:
(1) by 25 parts of 30 parts of acrylonitrile, 42 parts of butadiene and styrene 70 DEG C at a temperature of preheat 1h；
(2) by 25 parts of 42 parts of 30 parts of acrylonitrile, butadiene, the styrene and 10 parts of carbon black, ethylene acrylic 5 in step (1)
Injection molding in the injection molding machine that injection temperature is 180 DEG C is added in part after mixing, then mediates and be granulated through double screw extruder.
Carbon black-benzophenone preparation method includes the following steps:
(1) 3 parts of benzophenone are dissolved in 10 parts of dehydrated alcohol and obtain benzophenone-ethanol solution；
(2) by 5 parts of carbon black, ultrasound 30min obtains carbon black-dehydrated alcohol dispersion liquid in 15 parts of dehydrated alcohol；
(3) benzophenone-ethanol solution is uniformly mixed with carbon black-dehydrated alcohol dispersion liquid, 50 DEG C at a temperature of plus
Hot 30min obtains carbon black-benzophenone.
Dimethyl silicone polymer-maleic anhydride includes following components by weight percent:
10 parts of maleic anhydride
3 parts of dimethyl silicone polymer.
Polyacrylamide-acetic acid includes following components by weight percent:
5 parts of polyacrylamide
1 part of acetic acid
10 parts of deionized water.
A kind of preparation method for the PC-ABS plastic building template that can be recycled, comprising the following steps:
(1) by 50 parts of polycarbonate, 45 parts of carbon black modified ABS plastic and 8 parts of dimethyl silicone polymer-maleic anhydride 180
30min is mixed at a temperature of DEG C；
(2) 30min will be blended in the mixture in 15 parts of alkali-free glass fibre additions step (1)；
(3) by 10-18 parts of 10 parts of carbon black-benzophenone, 10 parts of polyacrylamide-acetic acid and triphenyl phosphate addition steps (2)
In mixture, 190 DEG C at a temperature of mix 1h, obtain PC-ABS plastics；
PC-ABS plastics addition in step (3) is put into mediate in double screw extruder and is granulated, then by PC-ABS plastics
PC-ABS plastic building template is obtained in grain addition injection molding machine.
Comparative example one:
The present invention use with PC-ABS plastic building template condition of equivalent thickness of the present invention, length, the wooden template of width equal-specification
As a comparison case one.
Comparative example two:
The present invention is used to make with the steel form of PC-ABS plastic building template condition of equivalent thickness of the present invention, length, width equal-specification
For comparative example two.
Comparative example three:
With in the prior art, 63 parts of fatty poly-ester carbonate, 21 parts of ABS resin, PP-g-MA2.6 parts, ultraviolet absorber 0.95
Part, 4 parts of tricresyl phosphate base diphenyl, 6 parts of mica；1 part of phthalic acid ester, 0.8 part of antistatic agent, 1 part of colorant production
PC/ABS alloy as a comparison case three.
Testing result is as follows:
As seen from the above table, although the mechanical properties such as intensity, hardness of PC-ABS plastic building template of the invention are lower than comparative example
Two steel form, but the density of PC-ABS plastic building template is more much smaller than steel form, is conducive to the transport and peace of template
Dress, while the mechanical property of PC-ABS plastic building template of the invention is apparently higher than the wooden template of comparative example one, Er Qiexiang
Than in the heat distortion temperature and flame retardant property of wooden template, PC-ABS plastic building template of the invention is more superior, meanwhile, this
Three kinds compared to comparative example of invention of PC/ABS alloy, mechanical property of the invention are more superior.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of PC-ABS plastic building template that can be recycled, it is characterised in that: including following parts by weight:
50-65 parts of polycarbonate
Carbon black modified ABS plastic 45-70 parts
15-26 parts of alkali-free glass fibre
Dimethyl silicone polymer -8-15 parts of maleic anhydride
Carbon black -10-15 parts of benzophenone
Polyacrylamide -10-16 parts of acetic acid
10-18 parts of triphenyl phosphate.
2. a kind of PC-ABS plastic building template that can be recycled according to claim 1, it is characterised in that: the charcoal
Black modified ABS plastics include following parts by weight:
30-45 parts of acrylonitrile
42-56 parts of butadiene
25-36 parts of styrene
6-15 parts of carbon black
5-16 parts of ethylene acrylic.
3. a kind of PC-ABS plastic building template that can be recycled according to claim 2, it is characterised in that: the charcoal
The preparation step of black modified ABS plastics is as follows:
(1) by 25-36 parts of 30-45 parts of acrylonitrile, 42-56 parts of butadiene and styrene 70-80 DEG C at a temperature of preheat 1-
2.5h；
(2) by 25-36 parts of 42-56 parts of 30-45 parts of acrylonitrile, butadiene, the styrene and carbon black 10- in step (1)
25 parts, injection temperature is added after mixing is injection molding in 190-210 DEG C of injection molding machine to 5-16 parts of ethylene acrylic, then
It mediates and is granulated through double screw extruder.
4. a kind of PC-ABS plastic building template that can be recycled according to claim 1, it is characterised in that: the nothing
The sodium oxide content of alkali containing glass fibre is 0-1.2%.
5. a kind of PC-ABS plastic building template that can be recycled according to claim 1, it is characterised in that: the charcoal
Black-benzophenone includes following parts by weight:
5-10 parts of carbon black
3-8 parts of benzophenone
10-14 parts of dehydrated alcohol.
6. a kind of PC-ABS plastic building template that can be recycled according to claim 1, it is characterised in that: the charcoal
The preparation step of black-benzophenone is as follows:
3-8 parts of benzophenone are dissolved in 10-14 parts of dehydrated alcohol and obtains benzophenone-ethanol solution；
By 5-10 parts of carbon black in 15-20 parts of dehydrated alcohol ultrasound 30-50min obtain carbon black-dehydrated alcohol dispersion liquid；
Benzophenone-ethanol solution is uniformly mixed with carbon black-dehydrated alcohol dispersion liquid, 50-60 DEG C at a temperature of plus
Hot 30-40min obtains carbon black-benzophenone.
7. a kind of PC-ABS plastic building template that can be recycled according to claim 1, it is characterised in that: described poly-
Dimethyl siloxane-maleic anhydride includes following components by weight percent:
10-18 parts of maleic anhydride
3-6 parts of dimethyl silicone polymer.
8. a kind of PC-ABS plastic building template that can be recycled according to claim 1, it is characterised in that: described poly-
Acrylamide-acetic acid includes following components by weight percent:
5-11 parts of polyacrylamide
1-2 parts of acetic acid
10-12 parts of deionized water.
9. a kind of preparation method for the PC-ABS plastic building template that can be recycled, it is characterised in that the following steps are included:
By 50-65 parts of polycarbonate, ABS plastic 45-70 parts and dimethyl silicone polymer-maleic anhydride 8- carbon black modified
15 parts mix 30-40min at a temperature of 180-220 DEG C；
30-40min will be blended in mixture in 15-26 parts of alkali-free glass fibre additions step (1)；
By 10-18 parts of carbon black -10-15 parts of benzophenone, polyacrylamide -10-16 parts of acetic acid and triphenyl phosphate addition steps
Suddenly the mixture in (2), 190-230 DEG C at a temperature of mix 1-2h, obtain PC-ABS plastics；
PC-ABS plastics addition in step (3) is put into mediate in double screw extruder and is granulated, then by PC-ABS plastics
PC-ABS plastic building template is obtained in grain addition injection molding machine.
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Application publication date: 20190426 |