CN106751689A - Wall switch panel bicolor injection composite - Google Patents
Wall switch panel bicolor injection composite Download PDFInfo
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- CN106751689A CN106751689A CN201611247895.4A CN201611247895A CN106751689A CN 106751689 A CN106751689 A CN 106751689A CN 201611247895 A CN201611247895 A CN 201611247895A CN 106751689 A CN106751689 A CN 106751689A
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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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
-
- 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
-
- 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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
-
- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of wall switch panel bicolor injection composite, the bicolor injection composite is two layer composite structure, including transparent PC outer layers and opaque PC/ABS internal layers, and the weight of each raw material components of PC/ABS internal layers is：15 25 parts of 55 65 parts of PC, ABS, 47 parts of fire retardant, 37 parts of flow ability modifying agent, 13 parts of shimmering powder, 35 parts of compatilizer, 35 parts of plasticized modifier, 0.5 2 parts of toner dispersant, 0.1 0.5 parts of toner, injection improves 0.4 0.7 parts of auxiliary agent, 0.1 0.3 parts of anti-UV auxiliary agents, 0.1 0.3 parts of antioxidant.Texture effect of the present invention is good, good fluidity, and intensity, fire-retardant, heat resistance, yellowing resistance preferably, can also there is fine and smooth shimmering powder pearl effect in the case of high fluidity.
Description
Technical field
The present invention relates to technical field of composite materials, more particularly to a kind of wall switch panel double-shot moulding composite wood
Material.
Background technology
The double-shot moulding liquid crystal electricity that the household appliances enterprises such as Samsung, Hisense's electrical equipment, TCL progressively release in the past few years
Depending on decoration fore shell, the strong visual impact that air-conditioning decoration panel etc. is formed with the transparent of its uniqueness and other color perfect adaptations
Effect frequently attracts the sight of consumer and rival in global consumer electronics show (CES) exhibition etc., as realizing household appliances
The important decorative means of outward appearance class lifting.The key for realizing this technology is double-shot moulding material technology.Household electric appliances
The double-shot moulding mainstay material scheme for using is PMMA (outer layer)/ABS+PMMA (internal layer).Such material texture effect is good, flowing
Property is good, but material is not fire-retardant and heat resistance is not good.
201010117394.0 patent discloses the double-colored of PMMA (the outer layer)/PMMA+ABS (internal layer) of electric appliance casing
Injection molding composite material, but its fire-retardant and heat resistance cannot meet the requirement of electric product safety, and material impact flexibility compared with
Difference, the situation for snap-fitted fracture easily occur.
The content of the invention
It is an object of the invention to provide a kind of wall switch panel bicolor injection composite, texture effect is good, stream
Dynamic property is good, and intensity, fire-retardant, heat resistance, yellowing resistance preferably, can also have fine and smooth shimmering powder pearly-lustre to imitate in the case of high fluidity
Really.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of wall switch panel bicolor injection composite, the bicolor injection composite is two-layer composite junction
Structure, including transparent PC outer layers and opaque PC/ABS internal layers, the weight of each raw material components of PC/ABS internal layers
For：PC 55-65 parts, ABS 15-25 parts, fire retardant 4-7 parts, flow ability modifying agent 3-7 parts, shimmering powder 1-3 parts, compatilizer 3-5 parts,
Plasticized modifier 3-5 parts, 0.5-2 parts of toner dispersant, toner 0.1-0.5 parts, injection improves 0.4-0.7 parts of auxiliary agent, and anti-UV is helped
Agent 0.1-0.3 parts, antioxidant 0.1-0.3 parts.
The present invention decorates panel and in industry belongs to pioneering on switch on wall using double-shot moulding, supports the double of the product
Color injected plastics material solution technique difficulty is significantly upgraded than household electric appliances dichroic materials solution technique difficulty, it is important be embodied in it is following
Two aspects：1) as electric product, due to forceful electric power directly contact, according to GB_16915 and GB_2099 safety requirement material
Material is needed at fire-retardant aspect by 850 DEG C of glow wire tests, and heat-resisting aspect presses test, therefore household electric appliances by 120 DEG C of ball
The double-shot moulding material solution for using can not be used directly on wall fitting switch；2) from the texture effect of product consider in order to
Surmount the two-color effect used on household electrical appliances, the present invention increased shimmering powder in this double-shot moulding switch on wall product material scheme
Effect, moulding aspect increased diamond grain effect at the PC outer layers back side, and shimmering powder can reduce the mobility of material and cause base-material
Xanthochromia is oxidized easily, the temperature of diamond texture effect requirements inner layer material injection has larger thermograde with cladding material,
Diamond texture is washed away with avoiding inner layer material from flowing.Therefore material solution technically needs to have fire-retardant, heat-resisting, flowing
The excellent speciality of aspect such as property, heat resistance.
Influence of the shimmering powder to material flowability, can cause the current mark of gate location and the even position of wall unevenness, table in outer layer
Face diamond grain effect is washed away by internal layer injection stream and causes diamond texture to obscure, and simple raising material flowability can be caused
The heat resistance of material declines, and the situation of xanthochromia occurs in material in baking material and injection；And cause the impact toughness decreased of material.
In PC/ABS internal layers of the present invention：PC ensures that the intensity and heat resistance and material of material are a certain degree of fire-retardant, consumption
There is good balance in terms of the heat resistance and intensity and fire-retardant aspect and mobility of material can be ensured between 55-65 parts,
Less than 55 parts, the mobility of material is relatively good, but intensity, fire-retardant, heat-resisting aspect can decline substantially, higher than 65 parts, the stream of material
Dynamic property can be poor, causes injection temperature to raise, and material flowability is deteriorated, it is impossible to meets second injection temperature than low for the first time
More than 40 DEG C, cause to wash away first time diamond texture second.Fire retardant can ensure that material passes through between 4-7 parts
870 DEG C of glow wire tests, the too high rising that can be brought in terms of material cost of ratio, and fire retardant can reduce the mechanical property of material
And presentation quality, less than 4 parts, it is impossible to meet the requirement of fire-retardant 850 DEG C of glowing filaments.Mobility improves 3-5 parts of auxiliary agent can be realized
Being obviously improved for material flowability, can influence the heat resistance of material and cause the obvious change of Material shrinkage rate higher than this content
Change, cause injection the defects such as current mark occur less than 3 parts of meetings.The effect of shimmering powder is the appearance tactile impression and class for lifting material, shimmering powder
Content is higher than 3 parts, shimmering powder dispersion in the material can be caused to occur in disorder and unordered, influences texture, and the mobility of material to become
Difference, mechanical properties decrease substantially, less than 1 part, does not reach the texture effect of product planning needs.Compatilizer ensures that PC and ABS has
The content of good compatibility, PC and ABS determines the amount of compatilizer needs at 3-5 parts, and anti-UV auxiliary agents lift the weather-proof of material
Property, suppress material and light xanthochromia occurs.Antioxidant lifts the heat aging property of material, suppresses material and hot xanthochromia occurs.Toner adds
Dosage is less than 0.1 part, and color is excessively shallow, and higher than 0.5 part, color is too deep, it is impossible to realize ID effects.The content of toner dispersant be by
What the content of toner was determined, for the toner less than 0.5 part, use no more than 2 parts of toner dispersant can realize it is good
Dispersion effect.The effect that injection improves auxiliary agent is to be bundled into product to have relatively good demolding performace, and addition, can be bright more than 0.7 part
Development rings the mechanical property of material, and content is less than 0.4 part, and improvement result is not obvious.There is no alternative solution to accomplish obtaining
Specific good Injection Molding performance and fire-retardant and heat-resisting aspect is while can expire while same shimmering powder appearance tactile impression effect
Foot is required.
Preferably, the inner surface of the PC outer layers is provided with diamond texture.
Preferably, the injection temperature of the PC outer layers is 280-300 DEG C, the injection temperature of PC/ABS internal layers is 210-
250 DEG C, the injection temperature of PC/ABS internal layers is lower than the injection temperature of PC outer layer more than 40 DEG C.
Preferably, the fire retardant is bisphenol-A double (diphenyl phosphoester), brominated epoxy resin (models：CXB-
One or two in 2000H).Double (diphenyl phosphoester) the abbreviation BDP of bisphenol-A.
Preferably, the flow ability modifying agent is selected from the one kind or two in PET, SAN (SAN)
Kind.
Preferably, the compatilizer is ABS-g-MAH.
Preferably, the plasticized modifier is MBS.
Preferably, the injection improves auxiliary agent is selected from the double stearic acid acyls of high temperature resistant lubrication sdemoulding agent ESC-748G, ethylene
One or more in amine, calcium stearate, pentaerythritol stearate (PETS).
Preferably, the anti-UV auxiliary agents be selected from UV-P, UV-1577 in one or two, antioxidant be selected from antioxidant
1076th, in irgasfos 168 one or two.
A kind of wall switch panel, is made of bicolor injection composite of the invention.
The beneficial effects of the invention are as follows：
1st, PC+ABS accomplishes low processing temperature and super-high fluidity in the case of the unfavorable factor of addition shimmering powder.
2nd, PC+ABS alloy materials accomplish that superelevation is heat-resisting (color inhibition) in the case of high fluidity.
3rd, the fine and smooth shimmering powder pearl effect that PC+ABS formulas scheme is obtained.
Brief description of the drawings
Fig. 1 is a kind of structural representation of bicolor injection composite of the present invention.
Fig. 2 is the schematic diagram of PC outer layers inner surface diamond texture of the present invention.
Specific embodiment
Below by specific embodiment, technical scheme is described in further detail.
In the present invention, if not refering in particular to, raw material and equipment for being used etc. is commercially available or commonly used in the art.
Method in following embodiments, unless otherwise instructed, is the conventional method of this area.
Total embodiment：
A kind of wall switch panel bicolor injection composite, the bicolor injection composite is two-layer composite junction
Structure, including transparent PC outer layers 1 and opaque PC/ABS internal layers 2 (Fig. 1), the weight of each raw material components of PC/ABS internal layers
Part matches：PC 55-65 parts, ABS 15-25 parts, fire retardant 4-7 parts, flow ability modifying agent 3-7 parts, shimmering powder 1-3 parts, compatilizer
3-5 parts, plasticized modifier 3-5 parts, 0.5-2 parts of toner dispersant, toner 0.1-0.5 parts, injection improves 0.4-0.7 parts of auxiliary agent,
0.1-0.3 parts, antioxidant 0.1-0.3 parts of anti-UV auxiliary agents.
Specific implementation:
Embodiment 1：
As shown in figure 1, bicolor injection composite includes transparent PC outer layers 1 and opaque PC/ABS internal layers 2.It is described
The component proportion of internal layer 2 is：PC 60kg, ABS 19kg, fire retardant 5kg, flow ability modifying agent 5kg, shimmering powder 2kg, compatilizer 4.7kg,
Plasticized modifier 3kg, toner dispersant 0.5kg, toner 0.1kg, injection improve auxiliary agent and account for 0.5kg, anti-UV auxiliary agents 0.1kg, resist
Oxygen agent 0.1kg.
The ratio of the various components in the embodiment is interval preferred proportion, and preferably reason is：Through the PC accountings 60% that convert
When, material flowability, heat resistance and intensity and fire-retardant aspect reach optimal balance, when PC contents are higher than this ratio, it is necessary to
Adding more mobility improves auxiliary agents, and reduces the content of ABS, and mobility improves additive dosage can excessively cause material
Shrinkage factor becomes big, and the reduction of ABS contents can also influence the mobility of scheme, when PC contents are less than this ratio, heat resistance and fire-retardant
Aspect can decline, and heat-resisting xanthochromia performance can decline, and reach 850 DEG C of glowing filament requirements, it is necessary to add more fire retardants,
Fire retardant can influence the mechanical property and presentation quality of scheme.After PC contents determine, the ratio of ABS is 1/3rd of PC contents
When, the mobility and heat resistance scheme of alloy scheme reach best balance, it is considered to the content accounting of other components, final preferred
Ratio is 19%；After the ratio-dependent of PC and ABS, the fire resistance of material meets 850 DEG C of minimum fire retardants of glowing filament requirement
Content determines that it is right that the content that mobility improves auxiliary agent and compatilizer and toughener with injection improves auxiliary agent is also required to 5% therewith
Should match, therefore be respectively preferably 5%, 4.7%；3%, 0.5%；Through the shimmering powder addition texture best results at 2% that convert；
The content of toner, toner dispersant, anti-UV auxiliary agents and antioxidant is the minimum adding proportion in the case where ensureing to reach effect,
Therefore preferably it is set to 0.1%, 0.5%, 0.1%, 0.1% respectively.
Further elements or the trade mark are described as follows：
PC is heat-resisting high fluidity PC trades mark S-3000VR high
ABS is the heat-resisting trade mark high；PA-757
Shimmering powder is：Metallic aluminium powder
Compatilizer is：ABS-g-MAH
Plasticized modifier is：MBS
Toner dispersant：ABS, 60P；
Toner：Titanium dioxide；
Fire retardant：Brominated epoxy resin CXB-2000H；
Flow ability modifying agent：PET；
Injection improves auxiliary agent：High temperature resistant lubrication sdemoulding agent ESC-748G；
Anti- UV auxiliary agents：UV-1577；
Antioxidant：Antioxidant 1076.
Compared with common PC+ABS materials, bicolor injection composite internal layer 2 is in appearance tactile impression effect, injection in the present invention
Mobility, heat resistance (heat retention discoloration is shut down in baking material discoloration, injection machine), injection molding temperature aspect has clear improvement, and represents
Property scheme specific targets see the table below.
Above-mentioned as shown by data, compared with common PC+ABS material injections mobile performance, double-shot moulding is combined in the present embodiment
The Injection Molding heat resistance that material inner layer has fine and smooth pearly-lustre shimmering powder effect, material has significantly improvement, forming temperature
It is lower than common PC+ABS alloys 10 DEG C, 230 DEG C can smoothly injection moulding, outer layer PC expect injection temperature at 280-300 DEG C, two
The injection temperature difference of layer material is more than 50 DEG C, it is ensured that interior layered material will not be formed when being molded to the diamond texture of outer layer inwall
Wash away.The fire-retardant scheme of glowing filament test surfaces can meet the requirement of safety.
Embodiment 2：
As shown in figure 1, bicolor injection composite includes transparent PC outer layers 1 and opaque PC/ABS internal layers 2.It is described
Opaque internal layer component proportion is：PC 60kg, ABS 19kg, fire retardant 5kg, flow ability modifying agent 5kg, shimmering powder 2kg；Compatilizer
4.7kg, plasticized modifier 3kg, toner dispersant 0.5kg, toner 0.1kg, injection improve auxiliary agent 0.5kg, anti-UV auxiliary agents
0.1kg, antioxidant 0.1kg.
The ratio of the various components in the embodiment is interval preferred proportion, and ratio is identical with embodiment 1, preferably manages
By also identical, it is not repeated to illustrate.
The further elements or the trade mark of the various components in the embodiment are described as follows：
PC is heat-resisting high fluidity PC trades mark S-3000VR high
ABS is the heat-resisting trade mark high；ABS 747
Shimmering powder is：Metallic aluminium powder；
Compatilizer is：ABS-g-MAH；
Plasticized modifier is：MBS；
Toner dispersant：ABS, 60P；
Toner：Titanium dioxide；
Fire retardant：Bisphenol-A is double (diphenyl phosphoester)；
Flow ability modifying agent：SAN；
Injection improves auxiliary agent：Pentaerythritol stearate；
Anti- UV auxiliary agents：UV-P；
Antioxidant：Irgasfos 168.
Compared with common PC+ABS materials, bicolor injection composite internal layer is imitated in appearance tactile impression in the embodiment of the present invention
Really, Injection Molding, heat resistance (heat retention discoloration is shut down in baking material discoloration, injection machine), injection molding temperature aspect and common PC+
ABS has clear improvement, and representative solution specific targets see the table below.
Above-mentioned as shown by data, suitable with common PC+ABS material injections mobile performance, the double-shot moulding in the present embodiment is answered
Condensation material internal layer has fine and smooth pearly-lustre shimmering powder effect, and the heat resistance of material has obviously to be improved, baking material 24h and heat retention
Very slight (the △ E of the xanthochromia of 15min materials<0.4), quite, outer layer PC material are molded for forming temperature and common PC+ABS alloys
, at 280-300 DEG C, the injection temperature difference of materials at two layers is more than 40 DEG C for temperature, it is ensured that interior layered material will not be to outer layer when being molded
The diamond texture of inwall is formed and washed away.The fire-retardant scheme of glowing filament test surfaces can meet the requirement of safety.
Embodiment 3：
As shown in figure 1, bicolor injection composite includes transparent PC outer layers and opaque PC/ABS internal layers.In described
Layer component is matched：PC 60kg, ABS 19kg, fire retardant 5kg, flow ability modifying agent 5kg, shimmering powder 2kg, compatilizer 4.7kg, increase
Tough modifying agent 3kg, toner dispersant 0.5kg, toner 0.1kg, injection improve auxiliary agent 0.5kg, anti-UV auxiliary agents 0.1kg, antioxidant
0.1kg。
The ratio of the various components in the embodiment is interval preferred proportion, and ratio is identical with embodiment one, preferably
Reason is also identical, is not repeated to illustrate.
The further elements or the trade mark of the various components in the embodiment are described as follows：
PC is heat-resisting high fluidity PC trades mark S-3000VR high
ABS is the heat-resisting trade mark high；ABS D670
Shimmering powder is：Mica powder
Compatilizer is：ABS-G-MAH
Plasticized modifier is：MBS
Toner dispersant：ABS, 60P；
Toner：Titanium dioxide；
Fire retardant：Bisphenol-A is double (diphenyl phosphoester)；
Flow ability modifying agent：PET+SAN is according to 1:1 mass ratio mixing；
Injection improves auxiliary agent：Pentaerythritol stearate；
Anti- UV auxiliary agents：UV-1577；
Antioxidant：Irgasfos 168.
Compared with common PC+ABS materials, bicolor injection composite internal layer is imitated in appearance tactile impression in the embodiment of the present invention
Really, Injection Molding, heat resistance (heat retention discoloration is shut down in baking material discoloration, injection machine), injection molding temperature aspect and common PC+
ABS has clear improvement, and representative solution specific targets see the table below.
Above-mentioned as shown by data, compares with common PC+ABS material injections mobile performance and is substantially improved more than 100%, this implementation
Bicolor injection composite internal layer in example has fine and smooth pearly-lustre shimmering powder effect, and the heat resistance of material has obvious changing
It is kind, very slight (the △ E of xanthochromia of baking material 24h and heat retention 15min materials<0.7), forming temperature and common PC+ABS alloys
Than relatively low 30 DEG C, outer layer PC expects injection temperature at 280-300 DEG C, the injection temperature difference of materials at two layers more than 60 DEG C, Ke Yibao
The diamond texture of outer layer inwall will not be formed when layered material is molded in card and washed away.The fire-retardant scheme of glowing filament test surfaces can meet
The requirement of safety.Current mark is smaller, and ocular estimate is qualified.
Embodiment described above is a kind of preferably scheme of the invention, not makees any formal to the present invention
Limitation, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (10)
1. a kind of wall switch panel bicolor injection composite, it is characterised in that the bicolor injection composite is two
Layer composite construction, including transparent PC outer layers and opaque PC/ABS internal layers, the weight of each raw material components of PC/ABS internal layers
Amount part matches and is：It is PC 55-65 parts, ABS 15-25 parts, fire retardant 4-7 parts, flow ability modifying agent 3-7 parts, shimmering powder 1-3 parts, compatible
Agent 3-5 parts, plasticized modifier 3-5 parts, 0.5-2 parts of toner dispersant, toner 0.1-0.5 parts, injection improves auxiliary agent 0.4-0.7
Part, 0.1-0.3 parts, antioxidant 0.1-0.3 parts of anti-UV auxiliary agents.
2. wall switch panel bicolor injection composite according to claim 1, it is characterised in that the PC outer layers
Inner surface be provided with diamond texture.
3. wall switch panel bicolor injection composite according to claim 1, it is characterised in that the PC outer layers
Injection temperature be 280-300 DEG C, the injection temperature of PC/ABS internal layers is 210-250 DEG C, the injection temperature ratio of PC/ABS internal layers
The injection temperature of PC outer layers is low more than 40 DEG C.
4. the wall switch panel bicolor injection composite according to claim 1 or 2 or 3, it is characterised in that described
Fire retardant is one or two in bisphenol-A double (diphenyl phosphoester), brominated epoxy resins.
5. the wall switch panel bicolor injection composite according to claim 1 or 2 or 3, it is characterised in that described
Flow ability modifying agent be selected from PET, SAN in one or two.
6. the wall switch panel bicolor injection composite according to claim 1 or 2 or 3, it is characterised in that described
Compatilizer is ABS-g-MAH.
7. the wall switch panel bicolor injection composite according to claim 1 or 2 or 3, it is characterised in that described
Plasticized modifier is MBS.
8. the wall switch panel bicolor injection composite according to claim 1 or 2 or 3, it is characterised in that described
It is hard selected from high temperature resistant lubrication sdemoulding agent ESC-748G, ethylene bis stearic acid amide, calcium stearate, pentaerythrite that injection improves auxiliary agent
One or more in resin acid ester.
9. the wall switch panel bicolor injection composite according to claim 1 or 2 or 3, it is characterised in that described
Anti- UV auxiliary agents be selected from UV-P, UV-1577 in one or two, antioxidant be selected from antioxidant 1076, irgasfos 168 in one kind
Or two kinds.
10. a kind of wall switch panel, it is characterised in that be made of bicolor injection composite as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247895.4A CN106751689B (en) | 2016-12-29 | 2016-12-29 | Wall switch panel bicolor injection composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611247895.4A CN106751689B (en) | 2016-12-29 | 2016-12-29 | Wall switch panel bicolor injection composite |
Publications (2)
| Publication Number | Publication Date |
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| CN106751689B CN106751689B (en) | 2019-02-12 |
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Cited By (5)
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| CN109370188A (en) * | 2018-08-21 | 2019-02-22 | 宁波公牛电器有限公司 | A kind of modified resin and its application and double-deck overlaying part and preparation method thereof |
| CN111961341A (en) * | 2020-08-25 | 2020-11-20 | 宁波公牛电器有限公司 | Composite material, preparation method thereof, fixing frame and wall switch |
| CN113444353A (en) * | 2021-06-24 | 2021-09-28 | 日彩复合塑料(深圳)有限公司 | Regenerated PC/ABS alloy and preparation process thereof |
| CN115386050A (en) * | 2022-09-14 | 2022-11-25 | 佛山市立大立塑新材料有限公司 | Table pad color-changing film and preparation method thereof |
| CN117445507A (en) * | 2023-10-25 | 2024-01-26 | 佛山市达孚新材料有限公司 | Heat-resistant toughened PMMA film and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109370188A (en) * | 2018-08-21 | 2019-02-22 | 宁波公牛电器有限公司 | A kind of modified resin and its application and double-deck overlaying part and preparation method thereof |
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| CN111961341A (en) * | 2020-08-25 | 2020-11-20 | 宁波公牛电器有限公司 | Composite material, preparation method thereof, fixing frame and wall switch |
| CN111961341B (en) * | 2020-08-25 | 2022-10-21 | 宁波公牛电器有限公司 | Composite material, preparation method thereof, fixing frame and wall switch |
| CN113444353A (en) * | 2021-06-24 | 2021-09-28 | 日彩复合塑料(深圳)有限公司 | Regenerated PC/ABS alloy and preparation process thereof |
| CN113444353B (en) * | 2021-06-24 | 2022-09-27 | 日彩复合塑料(深圳)有限公司 | Regenerated PC/ABS alloy and preparation process thereof |
| CN115386050A (en) * | 2022-09-14 | 2022-11-25 | 佛山市立大立塑新材料有限公司 | Table pad color-changing film and preparation method thereof |
| CN117445507A (en) * | 2023-10-25 | 2024-01-26 | 佛山市达孚新材料有限公司 | Heat-resistant toughened PMMA film and preparation method thereof |
| CN117445507B (en) * | 2023-10-25 | 2024-05-24 | 佛山市达孚新材料有限公司 | Heat-resistant toughened PMMA film and preparation method thereof |
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