CN108559130A - A kind of functionalization graphene fire retardant and the lactic acid composite material by its enhancing - Google Patents
A kind of functionalization graphene fire retardant and the lactic acid composite material by its enhancing Download PDFInfo
- Publication number
- CN108559130A CN108559130A CN201810290541.0A CN201810290541A CN108559130A CN 108559130 A CN108559130 A CN 108559130A CN 201810290541 A CN201810290541 A CN 201810290541A CN 108559130 A CN108559130 A CN 108559130A
- Authority
- CN
- China
- Prior art keywords
- fire retardant
- functionalization graphene
- composite material
- graphene fire
- lactic acid
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- 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
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention belongs to flame retardant composite material technical fields, disclose a kind of functionalization graphene fire retardant and the lactic acid composite material by its enhancing.Graphene oxide is dissolved completely in solvent, thionyl chloride is then added and is stirred at reflux reaction, is cooled to room temperature filtering, is washed to be dried in vacuo after neutrality and obtains intermediate product；Gained intermediate product is added to be stirred at reflux in solvent with DOPO HQ and is reacted, is filtered after being cooled to room temperature, gained is precipitated through drying, obtains functionalization graphene fire retardant.By polylactic acid and functionalization graphene fire retardant by compression molding after melt blending, the lactic acid composite material of functionalization graphene fire retardant enhancing is obtained.The vertical combustion grade of lactic acid composite material prepared by the present invention can reach 0 ranks of V, show good flame retardant property and thermal stability, the mechanical property for not destroying material simultaneously, has broad application prospects in fields such as building materials, automotive upholstery and electronic products.
Description
Technical field
The invention belongs to flame retardant composite material technical fields, and in particular to a kind of functionalization graphene fire retardant and by its increasing
Strong lactic acid composite material.
Background technology
With the rapid development of modern science and technology and industry, people depending on unduly and consuming to petroleum resources, oil base material
The production of material and it is discarded bring a series of environmental problem, therefore the development and application of biodegradable plastic is increasingly becoming people
Growing interest research direction.As most one of the material of application prospect, polylactic acid are with potato in aliphatic polyester
It is raw material with the renewable plant such as corn, is chemically synthesized a kind of biodegradable resin of preparation.Due to good
Mechanical performance, biocompatibility and processability, polylactic acid is in bioengineered tissue holder, automotive upholstery, packing film
Huge potentiality are shown with fields such as electronic devices.However, polylactic acid is very high since inherent intrinsic molecular structure has
Inflammability, in combustion flame propagation speed, generate a large amount of toxic smog and with serious melting drippage
Phenomenon.Therefore, the problem of flame retardant property of polylactic acid and thermal stability are current urgent need to resolve how is improved.
In recent years, the research in relation to polymer/graphene material causes the extensive concern of people.As a kind of novel
Nano filling fire retardant, grapheme material have big specific surface area and excellent thermal conductivity, can using its lamella blocking effect
To be effectively improved the fire resistance and heat resistance of resin matrix.However, there is stronger Van der Waals force between graphene sheet layer,
So that it is easy to reunite in composite material preparation process, it is extremely difficult to the evenly dispersed of nanoscale.Graphene is used alone
The flame retarding efficiency relatively low requirement that cannot meet current fire control standards when material is as fire retardant.By to grapheme material surface into
Row modification can be effectively improved its dispersibility and flame retarding efficiency in the polymer.
Miscellaneous -10- phospho hetero phenanthrenes -10- the oxidations of new phosphorus-containing flame retardant 10- (2,5- dihydroxy phenyls) -9,10- dihydro-9-oxies
Contain cyclohexyl biphenyl and phenanthrene ring structure in object (DOPO-HQ) molecular structure, while also having stable P-C keys, there is excellent thermalization
Learn stability.By fire retardant DOPO-HQ load to surface of graphene oxide can significantly improve polymer flame retardant property and point
Dissipate property.It is often broken by a degree of however as the physical mechanical property of the increase composite material of fire retardant additive amount
Bad, this can further application of the limitation fire retardant in certain specific areas.
Invention content
In place of the above shortcoming and defect of the existing technology, the primary purpose of the present invention is that providing a kind of function
The preparation method of graphite alkene fire retardant.
Another object of the present invention is to provide a kind of functionalization graphene fire retardants being prepared by the above method.
It is still another object of the present invention to provide a kind of polylactic acid by the enhancing of above-mentioned functionalization graphene fire retardant is compound
Material.
The object of the invention is achieved through the following technical solutions：
A kind of preparation method of functionalization graphene fire retardant, including following preparation process：
(1) graphene oxide is dissolved completely in solvent, thionyl chloride is then added and is stirred at reflux reaction, is cooled to room
The precipitation being obtained by filtration is washed to vacuum drying after neutrality and obtains intermediate product by temperature filtering；
(2) by intermediate product obtained by step (1) and the miscellaneous -10- phosphines of 10- (2,5- dihydroxy phenyls) -9,10- dihydro-9-oxies
Phenanthrene -10- oxides (DOPO-HQ), which are added in solvent, is stirred at reflux reaction, is filtered after being cooled to room temperature, and gained precipitation is through dry
It is dry, obtain functionalization graphene fire retardant (FGO-HQ).
Preferably, graphene oxide described in step (1) is led to using natural graphite, sodium nitrate and potassium permanganate as raw material
Cross the graphene oxide (GO) that Hummers methods are prepared.
Preferably, the mass ratio of DOPO-HQ described in graphene oxide described in step (1) and step (2) is 1:(6~
10)。
Preferably, the solvent described in step (1) and (2) is selected from dimethyl sulfoxide (DMSO), tetrahydrofuran, chlorobenzene, N, N- diformazans
At least one of base formamide, ethyl alcohol and deionized water.
Preferably, the mass ratio of the usage amount of solvent and graphene oxide described in step (1) is (40~190):1；Step
Suddenly the mass ratio of the usage amount of solvent and DOPO-HQ described in (2) are (15~90):1.
The synthetic route of above-mentioned preparation method is as shown in Figure 1.
A kind of functionalization graphene fire retardant, is prepared by the above method.
A kind of lactic acid composite material enhanced by above-mentioned functionalization graphene fire retardant, by polylactic acid and function graphite
Alkene fire retardant is obtained by compression molding after melt blending.
Preferably, the mass ratio of the polylactic acid and functionalization graphene fire retardant is 100:(6~10).
Preferably, the temperature of the melt blending is 170~200 DEG C, and the time is 6~10min.
Preferably, the pressure of the compression molding is 10~15MPa, and molding temperature is 180~200 DEG C, clamp time 5
~10min.
The present invention preparation method and obtained product has the following advantages that and advantageous effect：
(1) from MOLECULE DESIGN angle, the functionalization graphene fire retardant prepared by the present invention is to be grafted phosphonium flame retardant
Onto graphene oxide, it can be used separately as a kind of fire retardant and effectively improve the dispersion of fire retardant in the base
Property.
(2) the functionalization graphene fire retardant prepared by the present invention realizes that ignition-proof element gas phase is fire-retardant and graphene sheet layer object
The cooperative flame retardant effect for managing barrier, effectively raises flame retarding efficiency in the base.
(3) present invention prepared by functionalization graphene flame-proof polylactic acid composite material show good flame retardant property and
Thermal stability.When functionalization graphene additive amount is 6.0wt%, the vertical combustion grade of lactic acid composite material can reach V-
0 rank.
(4) functionalization graphene prepared by the present invention works as resistance while improving lactic acid composite material flame retardant property
There is no destroyed the mechanical property of composite material when combustion agent additive amount is 6wt%.Gained composite material is in building materials, vapour
The fields such as interior gadget and electronic product have broad application prospects.
Description of the drawings
Fig. 1 is the synthetic route chart of functionalization graphene fire retardant of the present invention.
Fig. 2 is the infrared spectrogram of gained functionalization graphene fire retardant in embodiment 2.
Fig. 3 is the x-ray photoelectron spectroscopy figure of gained functionalization graphene fire retardant in embodiment 2.
Fig. 4 is that the stress-of the lactic acid composite material of gained functionalization graphene fire retardant enhancing in embodiment 3~7 is answered
Varied curve figure.
Specific implementation mode
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment 1
(1) by 2g graphene oxides (GO, using natural graphite, sodium nitrate and potassium permanganate as raw material, by the side Hummers
Method is prepared) it is dissolved in 100mL tetrahydrofurans, 250mL thionyl chlorides are added after being completely dissolved and in 65 DEG C of oil bath
It is stirred at reflux 6h.After the completion of reaction, it is cooled to room temperature filtering, be washed with deionized to neutrality and is dried in vacuo 8h at 80 DEG C
Obtain intermediate product.
(2) by intermediate product and the miscellaneous -10- phosphines phenanthrene-of 19.542g 10- (2,5- dihydroxy phenyls) -9,10- dihydro-9-oxies
10- oxides (DOPO-HQ) are added in 300mL chlorobenzene solutions is stirred at reflux 10h in 85 DEG C of oil baths, later precipitates gained
It is cooled to room temperature filtering, functionalization graphene fire retardant (FGO-HQ) is obtained after dry.
Embodiment 2
(1) by 0.5g graphene oxides, (GO passes through Hummers using natural graphite, sodium nitrate and potassium permanganate as raw material
Method is prepared) it is dissolved in 100mL n,N-Dimethylformamide, 100mL thionyl chlorides are added after being completely dissolved and 65
DEG C oil bath in be stirred at reflux 8h.After the completion of reaction, it is cooled to room temperature filtering, is washed with deionized to neutrality and at 70 DEG C
Vacuum drying 12h obtains intermediate product.
(2) by intermediate product and the miscellaneous -10- phosphines phenanthrene-of 3.053g 10- (2,5- dihydroxy phenyls) -9,10- dihydro-9-oxies
10- oxides (DOPO-HQ) are added in 300mL tetrahydrofuran solutions is stirred at reflux 12h in 85 DEG C of oil baths, later by gained
Precipitation is cooled to room temperature filtering, and functionalization graphene fire retardant (FGO-HQ) is obtained after dry.
The infrared spectrogram of functionalization graphene fire retardant manufactured in the present embodiment is as shown in Figure 2.By infrared spectrogram point
After analysis by phosphonium flame retardant DOPO-HQ it is found that be grafted to graphene oxide (GO), compared with unmodified graphene oxide collection of illustrative plates,
1593cm-1It is the deformation vibration peak of P-Ph, 1193cm-1Place is the stretching vibration peak of P=O, 1149cm-1And 981cm-1It is P-O-
The stretching vibration peak of Ph, 3450cm-1The stretching vibration peak and 1072cm of place-OH-1The stretching vibration peak for locating C-OH disappears, these
The appearing and subsiding of group demonstrates DOPO-HQ and is successfully grafted on surface of graphene oxide.
The x-ray photoelectron spectroscopy figure of functionalization graphene fire retardant manufactured in the present embodiment is as shown in Figure 3.From X-ray
Photoelectron spectroscopy figure can be seen that the functionalization graphene after being modified and occur the new peak that P2p combines energy at 132.9eV,
However the signal at the peaks P2p can not be detected in unmodified graphene oxide.As a result the success of the surfaces GO is further demonstrated
It has been grafted DOPO-HQ.
Embodiment 3
By functionalization graphene fire retardant and polylactic acid made from embodiment 2 according to 2:98 (mass ratioes) are added in internal mixer
Mixture is after mixing 200 DEG C in temperature by 180 DEG C of melt blending 10min, and pressure is hot-forming under the conditions of being 15MPa
Obtain 120 × 120 × 3.0mm3With 100 × 100 × 1.0mm3Lactic acid composite material plank.
Embodiment 4
By functionalization graphene fire retardant and polylactic acid made from embodiment 2 according to 4:96 (mass ratioes) are added in internal mixer
Mixture is after mixing 200 DEG C in temperature by 180 DEG C of melt blending 10min, and pressure is hot-forming under the conditions of being 15MPa
Obtain 120 × 120 × 3.0mm3With 100 × 100 × 1.0mm3Lactic acid composite material plank.
Embodiment 5
By functionalization graphene fire retardant and polylactic acid made from embodiment 2 according to 6:94 (mass ratioes) are added in internal mixer
Mixture is after mixing 200 DEG C in temperature by 180 DEG C of melt blending 10min, and pressure is hot-forming under the conditions of being 15MPa
Obtain 120 × 120 × 3.0mm3With 100 × 100 × 1.0mm3Lactic acid composite material plank.
Embodiment 6
By functionalization graphene fire retardant and polylactic acid made from embodiment 2 according to 8:92 (mass ratioes) are added in internal mixer
Mixture is after mixing 200 DEG C in temperature by 180 DEG C of melt blending 10min, and pressure is hot-forming under the conditions of being 15MPa
Obtain 120 × 120 × 3.0mm3With 100 × 100 × 1.0mm3Lactic acid composite material plank.
Embodiment 7
By functionalization graphene fire retardant and polylactic acid made from embodiment 2 according to 10:Internal mixer is added in 90 (mass ratioes)
In 180 DEG C of melt blending 10min, after mixing by mixture temperature be 200 DEG C, pressure be 15MPa under the conditions of be hot pressed into
Type obtains 120 × 120 × 3.0mm3With 100 × 100 × 1.0mm3Lactic acid composite material plank.
120 × 120 × 3.0mm that will be prepared in above-described embodiment 3~73Plank obtains the resistance of standard by machine cuts
Sample is fired, flame retardant property (UL-94 reference standards are carried out to these standard samples:ASTM D3801-10；LOI reference standards:
ASTM D2863-06A), test result is shown in Table 1.
1 functionalization graphene fire retardant of table enhances the flame retardant test result of lactic acid composite material
| Sample | UL-94 | LOI |
| Polylactic acid | / | 20.0 |
| Embodiment 3 | V-1 | 25.0 |
| Embodiment 4 | V-1 | 26.0 |
| Embodiment 5 | V-0 | 26.5 |
| Embodiment 6 | V-0 | 27.0 |
| Embodiment 7 | V-0 | 27.5 |
As it can be seen from table 1 pure poly-lactic acid material is highly combustible, LOI values are 20.0%.With flame retardant agent content from
2.0wt% increases to 6.0wt%, and lactic acid composite material UL-94 tests can reach V-0 ranks, and LOI values are improved from 20.0%
To 26.5%.These are the result shows that the addition of fire retardant can significantly improve the fire resistance of composite material.
100 × 100 × 1.0mm that will be prepared in above-described embodiment 3~73Plank obtains the drawing of standard by machine cuts
Sample is stretched, these standard samples are carried out with test (the tensile property reference standard of tensile property:ASTM D638), tensile property
Test result such as Fig. 4, figure 4, it is seen that showing the brittle fracture behavior that do not surrender in all samples.Relatively
The data answered are as shown in table 2.
2 functionalization graphene fire retardant of table enhances the extension test result of lactic acid composite material
| Polylactic acid | Tensile strength MPa | Elongation at break % |
| Embodiment 3 | 56.8±0.9 | 10.3±0.4 |
| Embodiment 4 | 55.7±0.5 | 9.9±0.3 |
| Embodiment 5 | 52.6±0.8 | 8.9±0.4 |
| Embodiment 6 | 52.5±0.6 | 8.6±0.1 |
As can be seen from the above results, the functionalization graphene fire retardant that prepared by the present invention enhances lactic acid composite material system
Standby simple for process, when functionalization graphene additive amount is 6.0wt%, the vertical combustion grade of lactic acid composite material can reach
V-0 ranks.The mechanical property of the introducing of fire retardant composite material while improving lactic acid composite material flame retardant property is not
It is destroyed.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (10)
1. a kind of preparation method of functionalization graphene fire retardant, it is characterised in that including following preparation process：
(1) graphene oxide is dissolved completely in solvent, thionyl chloride is then added and is stirred at reflux reaction, was cooled to room temperature
The precipitation being obtained by filtration is washed to vacuum drying after neutrality and obtains intermediate product by filter；
(2) intermediate product obtained by step (1) is added to be stirred at reflux in solvent with DOPO-HQ and is reacted, mistake after being cooled to room temperature
Filter, gained are precipitated through drying, obtain functionalization graphene fire retardant.
2. a kind of preparation method of functionalization graphene fire retardant according to claim 1, it is characterised in that：Step (1)
Described in graphene oxide be to be prepared by Hummers methods using natural graphite, sodium nitrate and potassium permanganate as raw material
Graphene oxide.
3. a kind of preparation method of functionalization graphene fire retardant according to claim 1, it is characterised in that：Step (1)
Described in the mass ratio of DOPO-HQ described in graphene oxide and step (2) be 1:(6~10).
4. a kind of preparation method of functionalization graphene fire retardant according to claim 1, it is characterised in that：Step (1)
(2) solvent described in is selected from dimethyl sulfoxide (DMSO), tetrahydrofuran, chlorobenzene, N,N-dimethylformamide, ethyl alcohol and deionized water
At least one of.
5. a kind of preparation method of functionalization graphene fire retardant according to claim 1, it is characterised in that：Step (1)
Described in solvent usage amount and graphene oxide mass ratio be (40~190):1；The usage amount of solvent described in step (2)
Mass ratio with DOPO-HQ is (15~90):1.
6. a kind of functionalization graphene fire retardant, it is characterised in that be prepared by Claims 1 to 5 any one of them method
It arrives.
7. a kind of lactic acid composite material enhanced by functionalization graphene fire retardant, it is characterised in that：By polylactic acid and right
It is required that 6 functionalization graphene fire retardant is obtained by compression molding after melt blending.
8. a kind of lactic acid composite material enhanced by functionalization graphene fire retardant according to claim 7, feature
It is：The mass ratio of the polylactic acid and functionalization graphene fire retardant is 100:(6~10).
9. a kind of lactic acid composite material enhanced by functionalization graphene fire retardant according to claim 7, feature
It is：The temperature of the melt blending is 170~200 DEG C, and the time is 6~10min.
10. a kind of lactic acid composite material enhanced by functionalization graphene fire retardant according to claim 7, feature
It is：The pressure of the compression molding is 10~15MPa, and molding temperature is 180~200 DEG C, and clamp time is 5~10min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810290541.0A CN108559130A (en) | 2018-04-03 | 2018-04-03 | A kind of functionalization graphene fire retardant and the lactic acid composite material by its enhancing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810290541.0A CN108559130A (en) | 2018-04-03 | 2018-04-03 | A kind of functionalization graphene fire retardant and the lactic acid composite material by its enhancing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108559130A true CN108559130A (en) | 2018-09-21 |
Family
ID=63533783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810290541.0A Pending CN108559130A (en) | 2018-04-03 | 2018-04-03 | A kind of functionalization graphene fire retardant and the lactic acid composite material by its enhancing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108559130A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430309A (en) * | 2020-11-23 | 2021-03-02 | 张茜茜 | Phosphorus-containing graphene-SiO2Preparation method and application of modified polyurethane elastomer |
| CN113121882A (en) * | 2021-03-08 | 2021-07-16 | 广东工业大学 | Functionalized graphene oxide-aluminum hypophosphite flame retardant and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105001451A (en) * | 2015-06-12 | 2015-10-28 | 同济大学 | Graphene containing DOPO group and preparation method thereof |
| CN106543669A (en) * | 2016-11-25 | 2017-03-29 | 陕西品达石化有限公司 | The preparation method of polylactic acid functionalization graphene nano compound film |
| CN106883450A (en) * | 2017-02-20 | 2017-06-23 | 无锡市惠山区川大石墨烯应用研究中心 | A kind of rich phosphatization Graphene fire retardant and preparation method thereof |
| WO2017161120A1 (en) * | 2016-03-17 | 2017-09-21 | Qed Labs Inc. | Articles with improved flame retardancy and/or melt dripping properties |
-
2018
- 2018-04-03 CN CN201810290541.0A patent/CN108559130A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105001451A (en) * | 2015-06-12 | 2015-10-28 | 同济大学 | Graphene containing DOPO group and preparation method thereof |
| WO2017161120A1 (en) * | 2016-03-17 | 2017-09-21 | Qed Labs Inc. | Articles with improved flame retardancy and/or melt dripping properties |
| CN106543669A (en) * | 2016-11-25 | 2017-03-29 | 陕西品达石化有限公司 | The preparation method of polylactic acid functionalization graphene nano compound film |
| CN106883450A (en) * | 2017-02-20 | 2017-06-23 | 无锡市惠山区川大石墨烯应用研究中心 | A kind of rich phosphatization Graphene fire retardant and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| HU CHANGQING: "Novel DOPO-Modified Graphene: Synthesis and Characterization", 《JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY》 * |
| 吴凡 等: "石墨烯接枝9,10-二氢-9-氧杂-10-磷杂菲-10-氧化物（DOPO）的功能化合成", 《解放军理工大学学报（自然科学版）》 * |
| 徐寿昌: "《有机化学（第二版）》", 30 April 1993, 高等教育出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112430309A (en) * | 2020-11-23 | 2021-03-02 | 张茜茜 | Phosphorus-containing graphene-SiO2Preparation method and application of modified polyurethane elastomer |
| CN113121882A (en) * | 2021-03-08 | 2021-07-16 | 广东工业大学 | Functionalized graphene oxide-aluminum hypophosphite flame retardant and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Xue et al. | One-pot scalable fabrication of an oligomeric phosphoramide towards high-performance flame retardant polylactic acid with a submicron-grained structure | |
| Jin et al. | The preparation of a bio-polyelectrolytes based core-shell structure and its application in flame retardant polylactic acid composites | |
| Fox et al. | Flame retarded poly (lactic acid) using POSS-modified cellulose. 1. Thermal and combustion properties of intumescing composites | |
| Xu et al. | The effect of ammonium polyphosphate on the mechanism of phosphorous-containing hydrotalcite synergism of flame retardation of polypropylene | |
| CN112011093A (en) | Modified ammonium polyphosphate composite intumescent flame retardant and preparation method and application thereof | |
| Yan et al. | Preparation and characterization of intumescent flame retardant biodegradable poly (lactic acid) nanocomposites based on sulfamic acid intercalated layered double hydroxides | |
| Li et al. | Enhancing the flame retardancy and UV resistance of polyamide 6 by introducing ternary supramolecular aggregates | |
| CN108559130A (en) | A kind of functionalization graphene fire retardant and the lactic acid composite material by its enhancing | |
| CN1990533A (en) | Halogen-free flame-proof toughening polypropylene composition and preparation process thereof | |
| CN112226057A (en) | Natural mineral modified degradable high-molecular flame-retardant composite material and preparation method thereof | |
| CN112812435A (en) | Normal-temperature heat-conducting high-temperature flame-retardant polymer composite material and preparation method thereof | |
| CN110564058B (en) | Green intumescent flame-retardant polypropylene and preparation method thereof | |
| Ming et al. | The flame retardancy of epoxy resin including the modified graphene oxide and ammonium polyphosphate | |
| Gu et al. | Poly (L-lactic acid)/graphene composite films with asymmetric sandwich structure for thermal management and electromagnetic interference shielding | |
| CN104017264B (en) | The preparation of halogen-free low-smoke Cross-linked Polyethylene Composites | |
| CN101857692A (en) | PE/magnesium hydroxide composite flame retardant material | |
| Shu et al. | Preparation and properties of bio-based flame retardant polyvinyl alcohol | |
| CN110819058B (en) | Core-shell structure nano attapulgite/magnesium hydroxide doped ABS composite material | |
| Liu et al. | Flammability and mechanical properties of EVA/LDPE blended with MHSH whiskers and ATH | |
| CN108359178B (en) | Composition for flame-retardant hollow plate, preparation method of composition, flame-retardant hollow plate and application of flame-retardant hollow plate | |
| CN108976754A (en) | A kind of anti-electrostatic fire retardant compound material and its preparation method and application | |
| CN104829943A (en) | Fumed-silica-containing intumescent polypropylene flame retardant and preparation method of flame retardant | |
| CN109181241A (en) | Application of the polyphosphazene flame retardant micro Nano material in PET is fire-retardant | |
| CN110819057B (en) | Method for improving strength and flame retardant property of ABS (acrylonitrile butadiene styrene) | |
| CN112920564A (en) | Layered flame-retardant material and preparation method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180921 |