CN107189374A - A kind of flame retardant polyester composition and preparation method thereof - Google Patents
A kind of flame retardant polyester composition and preparation method thereof Download PDFInfo
- Publication number
- CN107189374A CN107189374A CN201710504797.2A CN201710504797A CN107189374A CN 107189374 A CN107189374 A CN 107189374A CN 201710504797 A CN201710504797 A CN 201710504797A CN 107189374 A CN107189374 A CN 107189374A
- Authority
- CN
- China
- Prior art keywords
- flame retardant
- polyester composition
- retardant polyester
- parts
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- 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
-
- 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
- C08L2205/24—Crystallisation aids
Landscapes
- 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)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention provides a kind of flame retardant polyester composition and preparation method thereof.The flame retardant polyester composition according to the mass fraction, including following component：50 80 parts of PET, 5 10 parts of PTT, 10 20 parts of aldehyde compounds, 10 20 parts of enhancing materials, 5 15 parts of halogen-free flame retardants and 0.5 2 portions of nucleators.The flame retardant polyester composition is prepared by adding the method for melt blending in double screw extruder after each component of formula ratio is mixed.Flame retardant polyester composition that the present invention is provided is while have higher mechanical strength and glow wire resistant to ignite performance, and its glow wire ignition temperature reaches 830 850 DEG C.
Description
Technical field
The invention belongs to composite high-molecular material technical field, and in particular to a kind of flame retardant polyester composition and its preparation side
Method.
Background technology
Polyester resin is the general name of the high-molecular compound by polyalcohol and polyacid polycondensation, with mechanical strength
Height, wear-resistant, oil resistant, the characteristic such as electrical insulating property is good is widely used in the fields such as electronics, electrical equipment, communication equipment, optical device.
Polyethylene terephthalate (PET) is a kind of with higher melting temperature (Tm) and glass transition temperature (Tg)
Crystalline polyester, its appearance is more early, cheap, although with high rigidity, high intensity and excellent dimensional stability, it is heat-resisting
Property the advantages of, but because PET rigidity makes its crystallization rate slower, injection molding is difficult, makes its mechanical performance not good enough.For many years
Come, improve PET crystalline rate, it is always one of Main way that PET is modified to improve its processing characteristics.
In addition, when the polyester resin such as PET are applied to field of electronics, in addition it is also necessary to carry out flame-retardant modified.In electronics electricity
The compulsory execution of IEC60695 standards in device, make its for used polymeric material glowing filament performance requirement increasingly
It is high.According to this standard, domestic appliance, in particular is no supervision type household electrical appliance, to rated current exceed 0.2A connection member or
Electrically insulating material part with a distance within from these connection members 3mm should have superior glowing filament characteristic.In this standard
In, glowing filament fire burning index (Glow-wire Flammability Index, abbreviation GWFI) should be more than 850 DEG C, and burn
Heated filament ignition temperature (Glow-wire Ignition Temperature, abbreviation GWIT) should be more than 775 DEG C.At present for
GWIT is more than 775 DEG C of this requirements, even the thermoplastic polyester material with UL-94 standard V-0 fire-retardant ranks is also difficult to completely
Foot.
CN 102585459A disclose a kind of novel halogen-free flame-retardant reinforcing polyester alloy (ETP), by using poly- to benzene two
Formic acid propylene glycol ester (PTT) is modified to PET crystal property, using special fire retardant polysulfide for phenyl-phosphonic acid (9,10-
The miscellaneous miscellaneous phenanthrene of -10- phosphonos of dihydro-9-oxy) penylene ester carries out flame-retardant modified to PET, makes obtained polyester alloy while having higher
Mechanical strength and good fire resistance.
But the mechanical strength of polyester alloy disclosed in above-mentioned file, especially notch impact strength is relatively low, and its is fire-retardant
Performance can only achieve UL-94 standard V-0 ranks, can not meet requirement of the IEC60695 standards to glow wire ignition temperature.
Therefore, the mechanical strength and glow wire resistant of polyester material performance of igniting need further improve.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of flame retardant polyester composition and its preparation
Method.The polymer blend has higher mechanical strength, and its glow wire ignition temperature can reach 830-850 DEG C.
For up to this purpose, the present invention uses following technical scheme：
On the one hand, the present invention provides a kind of flame retardant polyester composition, according to the mass fraction, including following component：
The present invention improves PET crystal property, using aldehyde compound simultaneously by adjusting the ratio between PET and PTT
Improve composite crystallization rate and fire resistance, coordinate other components, so as to get polymer blend simultaneously have it is higher
Mechanical strength and glow wire resistant ignite performance.
In the present invention, the mass fraction of the PET can be 50 parts, 52 parts, 55 parts, 58 parts, 60 parts, 62 parts, 65 parts, 68
Part, 70 parts, 72 parts, 75 parts, 78 parts or 80 parts etc..
The mass fraction of the PTT can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts or 10 parts etc..
The mass fraction of the aldehyde compound can be 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17
Part, 18 parts, 19 parts or 20 parts etc..
The mass fraction of the enhancing material can be 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17 parts,
18 parts, 19 parts or 20 parts etc..
The mass fraction of the halogen-free flame retardants can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13
Part, 14 parts or 15 parts etc..
The mass fraction of the nucleator can be 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part, 1 part, 1.1 parts, 1.2
Part, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 1.9 parts or 2 parts etc..
Preferably, the flame retardant polyester composition according to the mass fraction, including following component：
Preferably, the flame retardant polyester composition according to the mass fraction, in addition to 0.1-1 parts (for example can be 0.1 part,
0.2 part, 0.3 part, 0.4 part, 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part or 1 part etc.) heat stabilizer.
Preferably, the heat stabilizer is hindered phenol compound and/or phosphite ester compound.
Preferably, the polymer blend according to the mass fraction, in addition to 1-3 parts (for example can be 1 part, 1.2 parts, 1.5
Part, 1.8 parts, 2 parts, 2.2 parts, 2.5 parts, 2.8 parts or 3 parts etc.) releasing agent.
Preferably, one kind in aliphatic carboxylic acid, aliphatic carboxylic acid esters, polyolefin-wax or silicone oil of the releasing agent or
At least two combination；For example can be aliphatic carboxylic acid and combination, aliphatic carboxylic acid and the polyolefin-wax of aliphatic carboxylic acid esters
Combination, the combination of aliphatic carboxylic acid and silicone oil, combination, aliphatic carboxylic acid esters and the silicone oil of aliphatic carboxylic acid esters and polyolefin-wax
Combination or polyolefin-wax and silicone oil combination etc..
Preferably, the aldehyde compound is selected from formaldehyde, furfural, ethylene glycol acetal, metaformaldehyde, dioxa cycloheptyl two
Alkene, 1,3,6- trioxacanes, 1,3,6,9- tetra- oxa- cyclododecanes, 1,3,6,9,12- five oxacyclohexadecan or two rings
One kind or at least two combination in acetal；For example can be combination, formaldehyde and the ethylene glycol acetal of formaldehyde and furfural
Combination, the combination of formaldehyde and dioxane heptadiene, combination, ethylene glycol acetal and the 1,3,6- of formaldehyde and two ring acetals
Combination, the combination of dioxane heptadiene and the oxa- cyclododecanes of 1,3,6,9- tetra- or the 1,3,6,9,12- of trioxacane
Combination of five oxacyclohexadecans and two ring acetals etc..
Preferably, the enhancing material is glass fibre.
Preferably, the halogen-free flame retardants is selected from three (2,6- 3,5-dimethylphenyl) phosphines, 10- (2,5- dihydroxy phenyl) -9,
Miscellaneous -10- phosphines phenanthrene -10- the oxides of 10- dihydro-9-oxies, 2,6- bis- (2,6- 3,5-dimethylphenyls) phosphino- benzene, 10- phenyl -9,10- two
Hydrogen -9- oxa- -10- phosphine phenanthrene -10- oxides, phenoxyphosphazene compound or one kind in Firebrake ZB or at least two combination.
Preferably, the nucleator be selected from talcum powder, hydrotalcite, sodium carbonate, sodium acid carbonate, carboxylic acid sodium, carboxylic acid potassium or from
One kind or at least two combination in sub- polymer；For example can be combination, talcum powder and the carbonic acid of talcum powder and sodium carbonate
The combination of hydrogen sodium, the combination of talcum powder and carboxylic acid sodium, the combination of talcum powder and carboxylic acid potassium, the combination of hydrotalcite and sodium carbonate, water
Combination of the combination of talcum and ionomer, carboxylic acid potassium and ionomer etc..
On the other hand, the present invention provides a kind of preparation method of above-mentioned flame retardant polyester composition, and the preparation method is：Will
Melt blending in double screw extruder is added after each component mixing of formula ratio, the flame retardant polyester composition is obtained.
Preferably, the mixing is carried out in high-speed mixer.
Preferably, the rotating speed of the high-speed mixer is 300-500r/min, for example, can be 300r/min, 320r/
Min, 350r/min, 380r/min, 400r/min, 420r/min, 450r/min, 480r/min or 500r/min etc.；It is described mixed
The time of conjunction is 5-10min, such as can be 5min, 6min, 7min, 8min, 9min or 10min.
Preferably, the temperature of the melt blending is 200-250 DEG C, for example can be 200 DEG C, 205 DEG C, 210 DEG C, 215
DEG C, 220 DEG C, 225 DEG C, 230 DEG C, 235 DEG C, 240 DEG C, 245 DEG C or 250 DEG C etc..
Preferably, the preparation method comprises the following steps：
(1) each component of formula ratio is added in high-speed mixer, 5- is mixed under 300-500r/min rotating speed
10min, obtains mixed material；
(2) mixed material is added in double screw extruder, the melt blending under conditions of 200-250 DEG C is obtained
The flame retardant polyester composition.
Compared with prior art, the invention has the advantages that：
The present invention improves PET crystal property, using aldehyde compound simultaneously by adjusting the ratio between PET and PTT
Improve composite crystallization rate and fire resistance, coordinate other components, so as to get polymer blend simultaneously have it is higher
Mechanical strength and glow wire resistant ignite performance.
The tensile strength for the flame retardant polyester composition that the present invention is provided is 140-155MPa, and notch impact strength is 85-
100J/m, glow wire ignition temperature is 830-850 DEG C.
Carried out preferably by the consumption to each component, the mechanical performance and fire resistance of the polymer blend that may be such that are entered
One step is improved, and its tensile strength is 150-155MPa, and notch impact strength is 92-100J/m, and (2mm is thick for glow wire ignition temperature
Degree) it is 840-850 DEG C.
Embodiment
Technical scheme is further illustrated below by specific embodiment.Those skilled in the art should be bright
, the embodiment be only to aid in understand the present invention, be not construed as to the present invention concrete restriction.
Embodiment 1
A kind of flame retardant polyester composition, according to the mass fraction, including following component：
The preparation method of above-mentioned polymer blend comprises the following steps：
(1) each component of formula ratio is added in high-speed mixer, mixes 10min under 300r/min rotating speed, obtain
Mixed material；
(2) mixed material is added in double screw extruder, the melt blending under conditions of 200 DEG C obtains above-mentioned fire-retardant
Polymer blend.
Embodiment 2
A kind of flame retardant polyester composition, according to the mass fraction, including following component：
The preparation method of above-mentioned polymer blend comprises the following steps：
(1) each component of formula ratio is added in high-speed mixer, mixes 5min under 500r/min rotating speed, mixed
Compound material；
(2) mixed material is added in double screw extruder, the melt blending under conditions of 250 DEG C obtains above-mentioned fire-retardant
Polymer blend.
Embodiment 3
A kind of flame retardant polyester composition, according to the mass fraction, including following component：
The preparation method of above-mentioned polymer blend comprises the following steps：
(1) each component of formula ratio is added in high-speed mixer, mixes 8min under 400r/min rotating speed, mixed
Compound material；
(2) mixed material is added in double screw extruder, the melt blending under conditions of 220 DEG C obtains above-mentioned fire-retardant
Polymer blend.
Embodiment 4
A kind of flame retardant polyester composition, according to the mass fraction, including following component：
The preparation method of above-mentioned polymer blend comprises the following steps：
(1) each component of formula ratio is added in high-speed mixer, mixes 6min under 320r/min rotating speed, mixed
Compound material；
(2) mixed material is added in double screw extruder, the melt blending under conditions of 210 DEG C obtains above-mentioned fire-retardant
Polymer blend.
Embodiment 5
A kind of flame retardant polyester composition, according to the mass fraction, including following component：
The preparation method of above-mentioned polymer blend comprises the following steps：
(1) each component of formula ratio is added in high-speed mixer, mixes 7min under 350r/min rotating speed, mixed
Compound material；
(2) mixed material is added in double screw extruder, the melt blending under conditions of 260 DEG C obtains above-mentioned fire-retardant
Polymer blend.
Comparative example 1
Difference with embodiment 1 is that PET mass fraction is 45 parts, and PTT mass fraction is 15 parts.
Comparative example 2
Difference with embodiment 1 is that PET mass fraction is 85 parts, and PTT mass fraction is 3 parts.
Comparative example 3
Difference with embodiment 1 is that the consumption of aldehyde compound is 0.
The performance data for the flame retardant polyester composition that above-described embodiment 1-5 and comparative example 1-3 is provided is as shown in table 1 below.
Table 1
| Test event | Tensile strength (MPa) | Notch impact strength (J/m) | GWIT 2mm(℃) |
| Embodiment 1 | 142 | 86 | 835 |
| Embodiment 2 | 146 | 90 | 833 |
| Embodiment 3 | 143 | 89 | 836 |
| Embodiment 4 | 154 | 97 | 847 |
| Embodiment 5 | 152 | 95 | 842 |
| Comparative example 1 | 131 | 73 | 746 |
| Comparative example 2 | 134 | 71 | 758 |
| Comparative example 3 | 126 | 65 | 733 |
From the performance data of table 1, when PET and PTT ratio is excessive or too small, it can make obtained polyester combination
The mechanical strength and glow wire ignition temperature of thing decline, and performance does not reach requirement；When without aldehyde compound, then it can cause
The mechanical strength and glow wire resistant of obtained polymer blend performance of igniting decline to a great extent.
Applicant states, the foregoing is only the embodiment of the present invention, but protection scope of the present invention not office
It is limited to this, person of ordinary skill in the field is it will be clearly understood that any belong to those skilled in the art and taken off in the present invention
In the technical scope of dew, the change or replacement that can be readily occurred in, within the scope of all falling within protection scope of the present invention and being open.
Claims (10)
1. a kind of flame retardant polyester composition, it is characterised in that the flame retardant polyester composition according to the mass fraction, including such as the following group
Point：
2. flame retardant polyester composition according to claim 1, it is characterised in that the flame retardant polyester composition presses mass parts
Number meter, including following component：
3. flame retardant polyester composition according to claim 1 or 2, it is characterised in that the flame retardant polyester composition presses matter
Measure number meter, in addition to 0.1-1 parts of heat stabilizers；
Preferably, the heat stabilizer is hindered phenol compound and/or phosphite ester compound；
Preferably, the polymer blend according to the mass fraction, in addition to 1-3 parts of releasing agents；
Preferably, one kind in aliphatic carboxylic acid, aliphatic carboxylic acid esters, polyolefin-wax or silicone oil of the releasing agent or at least
Two kinds of combination.
4. the flame retardant polyester composition according to claim any one of 1-3, it is characterised in that the aldehyde compound is selected from
Formaldehyde, furfural, ethylene glycol acetal, metaformaldehyde, dioxane heptadiene, 1,3,6- trioxacanes, 1,3,6,9- tetra-
Oxa- cyclododecane, 1,3,6,9,12- five oxacyclohexadecan or one kind in two ring acetals or at least two combination.
5. the flame retardant polyester composition according to claim any one of 1-4, it is characterised in that the enhancing material is glass
Fiber.
6. the flame retardant polyester composition according to claim any one of 1-5, it is characterised in that the halogen-free flame retardants is selected from
Three (2,6- 3,5-dimethylphenyls) phosphines, the miscellaneous -10- phosphines phenanthrene -10- oxides of 10- (2,5- dihydroxy phenyls) -9,10- dihydro-9-oxies,
2,6- bis- (2,6- 3,5-dimethylphenyls) phosphino- benzene, the miscellaneous -10- phosphines phenanthrene -10- oxides of 10- phenyl -9,10- dihydro-9-oxies, benzene oxygen
One kind or at least two combination in base phosphazene compound or Firebrake ZB.
7. the flame retardant polyester composition according to any one of claim 1-6, it is characterised in that the nucleator, which is selected from, to be slided
Stone flour, hydrotalcite, sodium carbonate, sodium acid carbonate, carboxylic acid sodium, carboxylic acid potassium or one kind or at least two group in ionomer
Close.
8. the preparation method of the flame retardant polyester composition according to claim any one of 1-7, it is characterised in that the preparation
Method is：Melt blending in double screw extruder is added after each component of formula ratio is mixed, the flame retardant polyester combination is obtained
Thing.
9. preparation method according to claim 8, it is characterised in that the mixing is carried out in high-speed mixer；
Preferably, the rotating speed of the high-speed mixer is 300-500r/min, and the time of the mixing is 5-10min；
Preferably, the temperature of the melt blending is 200-250 DEG C.
10. preparation method according to claim 8 or claim 9, it is characterised in that the preparation method comprises the following steps：
(1) each component of formula ratio is added in high-speed mixer, mixes 5-10min under 300-500r/min rotating speed, obtain
To mixed material；
(2) mixed material is added in double screw extruder, the melt blending under conditions of 200-250 DEG C, obtains described
Flame retardant polyester composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504797.2A CN107189374A (en) | 2017-06-28 | 2017-06-28 | A kind of flame retardant polyester composition and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504797.2A CN107189374A (en) | 2017-06-28 | 2017-06-28 | A kind of flame retardant polyester composition and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107189374A true CN107189374A (en) | 2017-09-22 |
Family
ID=59881012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710504797.2A Pending CN107189374A (en) | 2017-06-28 | 2017-06-28 | A kind of flame retardant polyester composition and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107189374A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634172A (en) * | 2012-05-21 | 2012-08-15 | 金发科技股份有限公司 | High glow wire temperature-resistant polyester composition |
| CN103382297A (en) * | 2013-07-22 | 2013-11-06 | 上海电力学院 | Low-warpage carbon-fiber-reinforced polyethylene terephthalate (PET)/polyester alloy and preparation process thereof |
-
2017
- 2017-06-28 CN CN201710504797.2A patent/CN107189374A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102634172A (en) * | 2012-05-21 | 2012-08-15 | 金发科技股份有限公司 | High glow wire temperature-resistant polyester composition |
| CN103382297A (en) * | 2013-07-22 | 2013-11-06 | 上海电力学院 | Low-warpage carbon-fiber-reinforced polyethylene terephthalate (PET)/polyester alloy and preparation process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 马之庚等: "《工程塑料手册 材料卷》", 31 October 2004, 机械工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101280098B (en) | Halogen-free flame-proof strengthened polyethylene glycol terephthalate engineering plastics and preparation thereof | |
| CN101293983B (en) | Expansion flame-proof polypropelene composition and preparation method thereof | |
| CN102643507B (en) | Extremely-high-temperature-resistant anti-flaming ABS (Acrylonitrile Butadiene Styrene) composition as well as preparation method and applications thereof | |
| CN103980617A (en) | Glass fiber reinforced flame retardant polypropylene material for household appliance products and preparation method thereof | |
| CN107286563A (en) | A kind of expansion type flame retardant and its preparation and application for ABS electric switch outer covers | |
| CN104508041A (en) | Flame-retardant thermoplastic polyester resin composition and molded article | |
| CN102827452A (en) | Flame retardant acrylonitrile butadiene styrene (ABS) composition with high heat resistance and high toughness and preparation method and application thereof | |
| CN107434878A (en) | A kind of high glow-wire, water boiling resistance flame-retardant polypropylene composite material and preparation method | |
| CN101469096A (en) | Flame-retardant polypropylene film material | |
| CN103333469A (en) | Halogen-free flame-retardant PET (polyethylene terephthalate) composite material and preparation method thereof | |
| CN107903589A (en) | A kind of Halogen synergistic flame-retardant PBT material with high glow-wire and preparation method thereof | |
| CN103408926A (en) | Polyamide composite material and preparation method thereof | |
| EP1349890B1 (en) | Flame retardant polyester compositions | |
| CN101508843B (en) | Halogen-free flame-proof reinforced poly-terephthaloyl para-phenylene diamine composite material | |
| CN105482349A (en) | High temperature resistant halogen-free flame retardant ABS composition | |
| EP0335198B1 (en) | Ignition resistant moulded article and method for preparing the same | |
| CN101851405B (en) | High-CTI high-GWIT environment-friendly flame-retardant reinforced PBT engineering plastic for unattended electric appliance and preparation method thereof | |
| CN102775747A (en) | Antimony-free reinforced flame-retardant polybutylece terephthalate (PBT) environmental-friendly material and preparation method thereof | |
| CN108314838A (en) | A kind of high-strength high-glowing-filament-temperature flame-retardancy polypropylene and preparation method thereof | |
| CN107189374A (en) | A kind of flame retardant polyester composition and preparation method thereof | |
| CN111004441A (en) | Halogen-free flame-retardant high-glow-wire high-CTI (comparative tracking index) polypropylene material for unattended electric appliance and preparation method thereof | |
| CN102604340A (en) | PET(polyethylene terephthalate)/PTT(polytrimethylene terephthalate) alloy with high glowing filament and enhanced flame retardance as well as production process of PET/PTT alloy | |
| CN112143162B (en) | ABS composite material and preparation method thereof | |
| CN104371257A (en) | Multifunctional ABS composite material | |
| JPH11246778A (en) | Flame retardant resin composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170922 |