CN109971150A - A kind of scratch-resistant for luggage shell is cold-resistant to be exempted to spray PC material and preparation method thereof - Google Patents
A kind of scratch-resistant for luggage shell is cold-resistant to be exempted to spray PC material and preparation method thereof Download PDFInfo
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- CN109971150A CN109971150A CN201910339207.4A CN201910339207A CN109971150A CN 109971150 A CN109971150 A CN 109971150A CN 201910339207 A CN201910339207 A CN 201910339207A CN 109971150 A CN109971150 A CN 109971150A
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- resistant
- scratch
- cold
- spray
- luggage shell
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
-
- 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
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to field of compound material, and in particular to a kind of scratch-resistant for luggage shell is cold-resistant to be exempted to spray PC material and preparation method thereof.The cold-resistant spraying PC material of exempting from of the scratch-resistant for luggage shell is made of polycarbonate, sarin resin, toughener, scratch resistance liniment, dispersing agent, antioxidant and metallic pigments, the polycarbonate, sarin resin, scratch resistance liniment and toughener mass ratio be (11~30): (1.5~10): (0.02~1.5): 1, the cold-resistant content for exempting to spray polycarbonate in PC material of the scratch-resistant for luggage shell is not higher than 30wt% not less than the content of 55wt% and sarin resin.Provided by the present invention for luggage shell scratch-resistant it is cold-resistant exempt to spray PC material with good gloss degree, scraping and wiping resistance performance and cold resistance, meet every test request of luggage case material.
Description
Technical field
The invention belongs to field of compound material, and in particular to a kind of luggage case material and preparation method thereof, further,
It is related to that a kind of scratch-resistant for luggage shell is cold-resistant to be exempted to spray PC material and preparation method thereof.
Background technique
Polycarbonate (PC) resin, which is compounded the metallic pigments extruding pelletizations such as pearl powder, copper powder, aluminium silver bar, can be made bloom
It is damp, metal-like to exempt to spray PC composite material.Such composite material has since its metallic pigments is to the reflex of light
The characteristic of high glaze and metal-like can substitute spray painting material in fields such as electronic apparatus, cosmetic package, automotive materials,
So as to reduce environmental pollution, reduce cost.
PC resin has due to having excellent rigid and good toughness simultaneously better than PA6, PBT, ABS, PP etc.
The scratch resistance of resin is widely used in luggage shell.In order to increase the aesthetics of luggage, usually covered outside its shell
Film process.And exempt to spray PC material due to high glaze and metal-like, can be directly used for luggage shell without overlay film,
And squeezing out plastic uptake is not in exempt from the weld mark and current mark defect that sprayed on material often occurs.However, having lacked the case after coating processing
Packet needs superior scratch resistance, exempt to spray metallic pigments contained in PC material significantly reduce material toughness it is special
It is the toughness under cold conditions (- 30 DEG C or less).In order to solve this problem, the prior art also has to use, and scratch resistance is added into system
Liniment improves scraping and wiping resistance performance or the mode that toughener improves cold resistance is added.However, the use of scratch resistance liniment such as silicone
Although can be improved the scraping and wiping resistance performance for exempting to spray PC material, metallic pigments can be covered and reduce the glossiness of material；And
Although the use of toughener can be improved the cold resistance of material, the glossiness of material can be not only reduced simultaneously, is greatly reduced
The scratch resistance of material, but also the rigidity that can reduce material makes luggage obtained be recessed when drop test.Cause
And how under the premise of not influencing to exempt from and spraying PC material glossiness its scratch resistance and cold resistance are improved, become and exempts to spray
PC material is used for the technological difficulties of luggage shell.
Summary of the invention
The purpose of the invention is to overcome existing luggage shell PC material to be difficult to meet good gloss degree, scratch resistance simultaneously
The defect that wiping property and cold resistance require, and a kind of use with good gloss degree, scraping and wiping resistance performance and cold resistance is provided
It resists cold in the scratch-resistant of luggage shell and exempts to spray PC material and preparation method thereof.
Specifically, it resists cold the present invention provides a kind of scratch-resistant for luggage shell and exempts to spray PC material, wherein is described
The cold-resistant spraying PC material of exempting from of scratch-resistant for luggage shell is by polycarbonate, sarin resin, toughener, scratch resistance liniment, dispersion
Agent, antioxidant and metallic pigments composition, the polycarbonate, sarin resin, scratch resistance liniment and toughener mass ratio be (11~
30): (1.5~10): (0.02~1.5): 1, the scratch-resistant for luggage shell is cold-resistant to be exempted to spray poly- carbonic acid in PC material
The content of ester is not higher than 30wt% not less than the content of 55wt% and sarin resin.
Further, the scratch-resistant for luggage shell is cold-resistant exempts to spray PC material by the group of following weight percent
It is grouped as:
Further, the polycarbonate is to squeeze out grade polycarbonate.
Further, melt index of the polycarbonate at 300 DEG C, 1.2kg is 3.5~8cm3/10min。
Further, the sarin resin is ethylene-(methyl) acrylic acid-metal ion polymer, and metal ion is zinc
Ion, sodium ion, magnesium ion, potassium ion or lithium ion.
Further, the toughener is acrylic polymer.
Further, the scratch resistance liniment is silicone analog assistant and/or fatty acid amide analog assistant.
Further, the dispersing agent is in type siloxane dispersing agent, stearates dispersing agent and wax class dispersing agent
At least one.
Further, the metallic pigments are selected from least one of aluminium pigment, pearl powder and copper powder.
Further, the antioxidant is Hinered phenols antioxidant and/or phosphite ester antioxidant.
It resists cold the present invention also provides the scratch-resistant for luggage shell and exempts to spray the preparation method of PC material,
In, this method includes by the polycarbonate, sarin resin, toughener, scratch resistance liniment, dispersing agent, antioxidant and metallic pigments
It is uniformly mixed, gained premix is carried out to melting extrusion granulation in double screw extruder later.
Further, described be blended in mixing pot carries out, and it is 300~500r/ that the mixed condition, which includes revolving speed,
Min, time are 2~5min.
Further, it is 245~270 DEG C that the condition of the melting extrusion, which includes temperature, and screw speed is 350~500r/
Min, vacuum degree are not less than 0.08MPa.
Key of the invention is the modified additive by sarin resin, toughener and scratch resistance liniment collectively as polycarbonate
And control the content of these auxiliary agents being modified in particular range, scratch resistance liniment can be so effectively improved to the shadow of glossiness
Influence of the loud and toughener to glossiness and scraping and wiping resistance performance, by between sarin resin, toughener and scratch resistance liniment
Synergistic function, thus obtained luggage case material is with good gloss degree, scraping and wiping resistance performance and cold resistance.
Specific embodiment
The present invention is described below in detail.
In the present invention, the scratch-resistant for luggage shell is cold-resistant exempts to spray PC material by polycarbonate, sarin tree
Rouge, toughener, scratch resistance liniment, dispersing agent, antioxidant and metallic pigments composition.The polycarbonate, sarin resin, scratch resistance liniment
Mass ratio with toughener is (11~30): (1.5~10): (0.02~1.5): 1, the scratch-resistant is cold-resistant to be exempted to spray PC material
The content of middle polycarbonate, which should be controlled, should control in the content not less than 55wt% and sarin resin not higher than 30wt%.Specifically
Ground, relative to the polycarbonate of 50~90 parts by weight, the content of the sarin resin can be 5~30 parts by weight, described
The content of toughener can be 3~5 parts by weight, and the content of the scratch resistance liniment can be 0.1~5 parts by weight, the dispersing agent
Content can be 0.1~0.6 parts by weight, the content of the antioxidant can be 0.1~1 parts by weight, the metallic pigments
Content can be 0.3~2 parts by weight.
In most preferred embodiment of the invention, the scratch-resistant for luggage shell is cold-resistant exempt to spray PC material by
It forms following weight percentage components:
In the present invention, the polycarbonate preferably squeezes out grade polycarbonate.The extrusion grade polycarbonate is 300
DEG C, the melt index under 1.2kg be preferably 3.5~8cm3/ 10min is specifically as follows Cohan wound PC ET3113.
The sarin resin refers to ethylene-(methyl) acrylic acid zinc salt, sodium salt, lithium salts plasma key condensate.In this hair
In bright, the sarin resin is preferably ethylene-(methyl) acrylic acid-metal ion polymer, metal ion be zinc ion, sodium from
Son, magnesium ion, potassium ion or lithium ion are specifically as follows but are not limited to Du Pont Surlyn 1652.
In the present invention, the toughener can for it is existing it is various can be improved scratch-resistant it is cold-resistant exempt to spray PC material it is tough
The substance of property, specific example includes but is not limited to: acrylic polymer, silicone-containing based polyalcohol, butadiene base class
At least one of polymer, particularly preferably acrylic polymer.Wherein, the acrylic polymer is specific
Example includes but is not limited to: polymethyl acrylate, polyethyl acrylate, butyl polyacrylate, polyisobutyl acrylate, polypropylene
The different monooctyl ester of acid, polyacrylic acid lauryl, polyacrylic acid cyclohexyl, polyacrylic acid perfluoroalkyl ester, polyacrylic acid ethoxy phosphoric acid
Ester, polymethyl methacrylate, polyethyl methacrylate, polybutyl methacrylate, polyisobutyl methacrylate, poly- first
At least one of base Isooctyl acrylate monomer, polylauryl methacrylate etc..The acrylic polymer specifically can be with
For Tao Shi MBS 2620.
In the present invention, the scratch resistance liniment can be the existing various PC composite material scraping and wiping resistance performances of can be improved
Auxiliary agent, preferably silicone compound and/or fatty acid amide analog assistant.Wherein, the silicone compound includes different points
Silicone master batch, the silicone powder, liquid silicone oil of son amount.The specific example of the fatty acid amide analog assistant includes but is not limited to: mustard
At least one of sour amide, stearyl erucamide, oleamide.The scratch resistance liniment is specifically as follows a watt gram silicone
2413。
In the present invention, the dispersing agent is preferably selected from type siloxane dispersing agent, stearates dispersing agent and wax class point
At least one of powder.The dispersing agent can be for example the PETS of hair base.
Further, the metallic pigments are preferably selected from least one of aluminium pigment, pearl powder and copper powder.Wherein, institute
Stating aluminium pigment can be at least one of aluminium silver bar, aluminum paste, aluminium silver powder, mirror-like silver etc., particularly preferably aluminium silver bar.It is described
The partial size of aluminium is preferably 5~200 μm in aluminium silver bar.The partial size of the pearl powder and copper powder is preferably 5~60 μm each independently.
The metallic pigments are specifically as follows Anhui rising sun sun aluminium silver bar M-1020 or love card pearl powder PCR181.
In the present invention, the type of the antioxidant can be the conventional selection of this field, preferably Hinered phenols antioxygen
Agent and/or phosphite ester antioxidant, specific example are known to the skilled person, such as can be 1076 Hes of cyanogen spy
168。
The cold-resistant preparation method for exempting from spraying PC material of scratch-resistant provided by the present invention for luggage shell includes will be described
Polycarbonate, sarin resin, toughener, scratch resistance liniment, dispersing agent, antioxidant and metallic pigments are uniformly mixed, later by gained
Premix carries out melting extrusion granulation in double screw extruder.Wherein, the mixing can be mixed with hand operated mixing, can also be
It is carried out in existing various mixing apparatus.The mixed condition so that more than several components form uniform system.?
In the mixed process, above several components can be mixed with random order, for example, can be by above several components according to any
Sequence is added in mixing vessel is mixed one by one, can also by above several components it is any it is two or more after mixing
Other components are added to continues to mix uniformly.A kind of specific embodiment according to the present invention, it is described be blended in mixing pot into
Row, and it is 300~500r/min that mixed condition, which includes mixing pot revolving speed, mixing time is 2~5min.In addition, described molten
Melt in extrusion process, the temperature of used double screw extruder is preferably controlled in 245~270 DEG C, and screw speed preferably controls
In 350~500r/min, vacuum degree is preferably controlled in not less than 0.08MPa.
The embodiment of the present invention is described below in detail, the examples of the embodiments are intended to be used to explain the present invention, and cannot
It is interpreted as limitation of the present invention.In the examples where no specific technique or condition is specified, described according to the literature in the art
Technology or conditions or carried out according to product description.Reagents or instruments used without specified manufacturer is that can lead to
Cross the conventional products of commercially available acquisition.
Examples 1 to 4
Raw material: it is shown in Table 1
Preparation method: raw material being added in mixing pot and are uniformly mixed, and mixing pot revolving speed is 450r/min, and mixing time is
The material mixed is carried out melting extrusion granulation, parallel dual-screw extruding machine by parallel dual-screw extruding machine later by 4min
Temperature of each section is respectively as follows: 245 DEG C, 250 DEG C, 255 DEG C, 260 DEG C, 265 DEG C, 260 DEG C, 260 DEG C, 255 DEG C, 250 DEG C, 250 DEG C, machine
Head temperature is 270 DEG C, screw speed 400r/min, and vacuum degree is not less than 0.8MPa, obtains the scratch-resistant for luggage shell
It is cold-resistant to exempt to spray PC material.
Comparative example 1
Exempt to spray PC material according to the method preparation scratch-resistant of embodiment 2 is cold-resistant, unlike, sarin resin is not added,
Obtain that reference scratch-resistant is cold-resistant to be exempted to spray PC material.Wherein, the dosage of each raw material is as shown in table 1.
Comparative example 2
Exempt to spray PC material according to the method preparation scratch-resistant of embodiment 2 is cold-resistant, unlike, by sarin resin using poly-
Carbonic ester and scratch resistance liniment substitution, obtain that reference scratch-resistant is cold-resistant to be exempted to spray PC material.Wherein, the dosage of each raw material such as table 1
It is shown.
Comparative example 3
Exempt to spray PC material according to the method preparation scratch-resistant of embodiment 2 is cold-resistant, unlike, by sarin resin using poly-
Carbonic ester and toughener substitution, obtain that reference scratch-resistant is cold-resistant to be exempted to spray PC material.Wherein, the dosage of each raw material such as 1 institute of table
Show.
Comparative example 4
Scratch-resistant is prepared according to the method for embodiment 1 and is resisted cold exempts to spray PC material, unlike, by toughener using identical
The polycarbonate of parts by weight substitutes, and obtains that reference scratch-resistant is cold-resistant to be exempted to spray PC material.Wherein, the dosage of each raw material such as table 1
It is shown.
1 weight percentage of each component of table (wt%)
It is 6cm that melt index of the PC ET3113 at 300 DEG C, 1.2kg is created in note: polycarbonate --- Cohan3/10min；It is husky
Woods resin --- Du Pont Surlyn 1652 is ethylene-(methyl) acrylic acid-metal ion polymer, and metal ion is lithium ion.
Test case
(1) according to the scraping and wiping resistance performance of 1518 Standards for Testing Materials of ISO, acquired results are as shown in table 2；
(2) it is rushed according to the room temperature of 179 Standards for Testing Materials of ISO (23 DEG C) notch impact strength and low temperature (- 30 DEG C) notch
Hit intensity, acquired results are as shown in table 2；
(3) according to the glossiness of 2813 Standards for Testing Materials of ISO, acquired results are as shown in table 2；
(4) exempt to spray after PC material is extruded into plate that plastic uptake is at luggage shell for scratch-resistant is cold-resistant, according to following formula meter
Yields is calculated, yields=(the shell total number of qualified shell number/plastic uptake) × 100%, acquired results are as shown in table 2；
(5) will the qualification luggage as made from (4) bear a heavy burden 15kg, fall from 90cm eminence, cabinet vertex lands, eight top
Respectively fall once at angle, it is desirable that cabinet, which cannot have to be crushed and cannot be recessed, is just considered as qualification；By above-mentioned qualified luggage in -30 DEG C of environment
After middle storage 48h, no weight bearing is fallen from 90cm eminence, and cabinet vertex lands, and eight apex angles respectively fall once, it is desirable that cabinet is not
Can have to be crushed and cannot be recessed and just be considered as qualification, acquired results are as shown in table 2.
Table 2
From the results shown in Table 2, reached using each test item provided by the invention for exempting to spray PC material
The requirement of luggage case material not only has preferable scraping and wiping resistance performance and good glossiness, but also this is low at -30 DEG C
Still there is excellent toughness, cold resistance is good under temperature.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (10)
- Exempt to spray PC material 1. a kind of scratch-resistant for luggage shell is cold-resistant, which is characterized in that described for luggage shell Scratch-resistant is cold-resistant to exempt to spray PC material by polycarbonate, sarin resin, toughener, scratch resistance liniment, dispersing agent, antioxidant and metal Pigment composition, the polycarbonate, sarin resin, scratch resistance liniment and toughener mass ratio be (11~30): (1.5~10): (0.02~1.5): 1, the cold-resistant content for exempting to spray polycarbonate in PC material of the scratch-resistant for luggage shell is not less than The content of 55wt% and sarin resin is not higher than 30wt%.
- Exempt to spray PC material 2. the scratch-resistant according to claim 1 for luggage shell is cold-resistant, which is characterized in that described The cold-resistant spraying PC material of exempting from of scratch-resistant for luggage shell by forming following weight percentage components:
- 3. the scratch-resistant according to claim 1 or 2 for luggage shell is exempted to spray PC material, which is characterized in that described Polycarbonate is to squeeze out grade polycarbonate；Melt index of the polycarbonate at 300 DEG C, 1.2kg is 3.5~8cm3/ 10min。
- Exempt to spray PC material 4. the scratch-resistant according to claim 1 or 2 for luggage shell is cold-resistant, which is characterized in that The sarin resin be ethylene-(methyl) acrylic acid-metal ion polymer, metal ion be zinc ion, sodium ion, magnesium from Son, potassium ion or lithium ion.
- Exempt to spray PC material 5. the scratch-resistant according to claim 1 or 2 for luggage shell is cold-resistant, which is characterized in that The toughener is acrylic polymer.
- Exempt to spray PC material 6. the scratch-resistant according to claim 1 or 2 for luggage shell is cold-resistant, which is characterized in that The scratch resistance liniment is silicone analog assistant and/or fatty acid amide analog assistant.
- Exempt to spray PC material 7. the scratch-resistant according to claim 1 or 2 for luggage shell is cold-resistant, which is characterized in that The dispersing agent is selected from least one of type siloxane dispersing agent, stearates dispersing agent and wax class dispersing agent.
- Exempt to spray PC material 8. the scratch-resistant according to claim 1 or 2 for luggage shell is cold-resistant, which is characterized in that The metallic pigments are selected from least one of aluminium pigment, pearl powder and copper powder.
- 9. for the cold-resistant preparation for exempting to spray PC material of the scratch-resistant of luggage shell described in any one of claim 1~8 Method, which is characterized in that this method includes by the polycarbonate, sarin resin, toughener, scratch resistance liniment, dispersing agent, antioxygen Agent and metallic pigments are uniformly mixed, and gained premix is carried out to melting extrusion granulation in double screw extruder later.
- 10. the cold-resistant preparation method for exempting to spray PC material of the scratch-resistant according to claim 9 for luggage shell, special Sign is that described be blended in mixing pot carries out, and it is 300~500r/min, time 2 that the mixed condition, which includes revolving speed, ~5min；The condition of the melting extrusion includes that temperature is 245~270 DEG C, and screw speed is 350~500r/min, vacuum degree Not less than 0.08MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910339207.4A CN109971150B (en) | 2019-04-25 | 2019-04-25 | Scratch-resistant cold-resistant spraying-free PC material for luggage shell and preparation method thereof |
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|---|---|---|---|
| CN201910339207.4A CN109971150B (en) | 2019-04-25 | 2019-04-25 | Scratch-resistant cold-resistant spraying-free PC material for luggage shell and preparation method thereof |
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| CN109971150B CN109971150B (en) | 2021-04-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113563711A (en) * | 2021-09-27 | 2021-10-29 | 佛山市达孚新材料有限公司 | Toughened scratch-resistant polycarbonate material and preparation method and application thereof |
| CN113831716A (en) * | 2021-10-09 | 2021-12-24 | 江苏建筑职业技术学院 | Flame-retardant polycarbonate material with high metal texture and preparation method thereof |
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| US20120301689A1 (en) * | 2004-07-14 | 2012-11-29 | Vertex L.L.C. | Method of making a molded article from two or more different formable materials in a single heating cycle |
| CN108342015A (en) * | 2018-03-21 | 2018-07-31 | 安徽江淮汽车集团股份有限公司 | A kind of imitative metal appearance polypropylene-sarin resin composite materials and preparation method thereof |
| CN109467907A (en) * | 2018-11-30 | 2019-03-15 | 四川长虹电器股份有限公司 | A kind of PC/PMMA/PBT composite material and preparation method |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120301689A1 (en) * | 2004-07-14 | 2012-11-29 | Vertex L.L.C. | Method of making a molded article from two or more different formable materials in a single heating cycle |
| CN108342015A (en) * | 2018-03-21 | 2018-07-31 | 安徽江淮汽车集团股份有限公司 | A kind of imitative metal appearance polypropylene-sarin resin composite materials and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113563711A (en) * | 2021-09-27 | 2021-10-29 | 佛山市达孚新材料有限公司 | Toughened scratch-resistant polycarbonate material and preparation method and application thereof |
| CN113563711B (en) * | 2021-09-27 | 2021-12-21 | 佛山市达孚新材料有限公司 | Toughened scratch-resistant polycarbonate material and preparation method and application thereof |
| CN113831716A (en) * | 2021-10-09 | 2021-12-24 | 江苏建筑职业技术学院 | Flame-retardant polycarbonate material with high metal texture and preparation method thereof |
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| Publication number | Publication date |
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| CN109971150B (en) | 2021-04-06 |
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