CN114921027A - Polypropylene composite flame-retardant material containing nitrogen flame retardant - Google Patents
Polypropylene composite flame-retardant material containing nitrogen flame retardant Download PDFInfo
- Publication number
- CN114921027A CN114921027A CN202210706035.1A CN202210706035A CN114921027A CN 114921027 A CN114921027 A CN 114921027A CN 202210706035 A CN202210706035 A CN 202210706035A CN 114921027 A CN114921027 A CN 114921027A
- Authority
- CN
- China
- Prior art keywords
- flame retardant
- polypropylene
- nitrogen
- coupling agent
- containing flame
- 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/5205—Salts of P-acids with N-bases
-
- 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
- C08K9/06—Ingredients treated with organic substances with silicon-containing 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Abstract
The invention discloses a polypropylene composite flame retardant material containing a nitrogen flame retardant, which relates to the technical field of flame retardant materials, and comprises the nitrogen flame retardant and polypropylene, wherein the composite mass ratio of the nitrogen flame retardant to the polypropylene is (0.8-0.95): 1, the nitrogen-containing flame retardant is melamine particles, the nitrogen-containing flame retardant and polypropylene are mixed and connected through a coupling agent, and the particle size of the melamine particles is 2-2.5 microns. The invention has the advantages that: the nitrogen-containing flame retardant is added into the modified polypropylene material, the silane coupling agent is added into the mixture of the nitrogen-containing flame retardant and the polypropylene, the nitrogen-containing flame retardant and the polypropylene are stirred, the silane coupling agent is used for modifying the surfaces of the nitrogen-containing flame retardant and the polypropylene, the nitrogen-containing flame retardant and the polypropylene are polymerized under the stirring effect to form the composite material, the composite material formed by the decomposition reaction of the nitrogen-containing flame retardant when being heated has excellent heat absorption performance, and the flame retardant performance of the polypropylene material can be effectively improved.
Description
Technical Field
The invention relates to the technical field of flame retardant materials, in particular to a polypropylene composite flame retardant material containing a nitrogen flame retardant.
Background
Polypropylene, which is a polymer formed by propylene through addition polymerization, is called PP for short, is a colorless, odorless, nontoxic and semitransparent solid substance, is thermoplastic synthetic resin with excellent performance, is colorless and semitransparent thermoplastic light general plastic, and has chemical resistance, heat resistance, electric insulation, high-strength mechanical performance, good high-wear-resistance processing performance and the like, so that the polypropylene is rapidly and widely developed and applied in a plurality of fields such as machinery, automobiles, electronic appliances, buildings, textiles, packaging, agriculture, forestry, fishery industry, food industry and the like since the advent. In recent years, with the rapid development of the industries such as packaging, electronics, automobiles and the like in China, the development of the industries in China is greatly promoted. And because of its plasticity, polypropylene materials are gradually replacing wooden products, and the mechanical functions of metals have been gradually replaced by high strength toughness and high wear resistance. In addition, the polypropylene has good grafting and compounding functions, and has huge application space in the aspects of concrete, textile, packaging and agriculture, forestry and fishery.
With the development of flame retardant materials, polypropylene is gradually introduced into flame retardant materials for use due to its excellent performance, but polypropylene alone has poor flame retardant performance.
Aiming at the problems, the polypropylene composite flame retardant material containing the nitrogen flame retardant is particularly provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a polypropylene composite flame retardant material containing a nitrogen flame retardant, which has the advantages of enhancing flame retardant performance and the like, and solves the problem of poor flame retardant performance.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the polypropylene composite flame-retardant material containing the nitrogen flame retardant comprises the nitrogen flame retardant and polypropylene, wherein the composite mass ratio of the nitrogen flame retardant to the polypropylene is (0.8-0.95): 1, the nitrogen-containing flame retardant is melamine particles, and the nitrogen-containing flame retardant and polypropylene are mixed and connected through a coupling agent.
The nitrogenous flame retardant is subjected to decomposition reaction when being heated, and mainly comprises melamine and derivatives thereof and related heterocyclic compounds, such as melamine phosphate;
the polypropylene is modified aiming at the defects of poor impact resistance, poor weather resistance, poor surface decoration property, poor functionality in the aspects of electricity, magnetism, light, heat, combustion and the like and the difference between the actual requirements and the polypropylene at low temperature, the mechanical properties, the heat resistance, the aging resistance and other properties of the polypropylene are improved by changing the macromolecular components and the macromolecular structure or the crystal configuration of the polypropylene through copolymerization modification, crosslinking modification, grafting modification, addition of a nucleating agent and the like, the comprehensive properties of the polypropylene are improved, the application field of the polypropylene is expanded, and the copolymerization modification is modification in the propylene monomer synthesis stage by adopting catalysts such as metallocene and the like.
Preferably, the particle size of the melamine particles is 2-2.5 μm.
Preferably, the coupling agent is a silane coupling agent.
Preferably, the polypropylene is polymerized by a metallocene catalyst to form a random copolymer, and a complex formed by the metallocene catalyst takes a transition state with irregular shape limited to a certain extent as a single active center, so that the relative molecular mass and the distribution thereof, the comonomer content, the distribution on a main chain and the crystal structure of a high polymer are accurately controlled.
(III) advantageous effects
Compared with the prior art, the invention provides a polypropylene composite flame retardant material containing a nitrogen flame retardant, which has the following beneficial effects:
this polypropylene composite flame retardant material of nitrogen flame retardant, through adding the nitrogen flame retardant into modified polypropylene material, add silane coupling agent into the mixture of nitrogen flame retardant and polypropylene inside, stir nitrogen flame retardant and polypropylene, make silane coupling agent modify the surface of nitrogen flame retardant and polypropylene, make nitrogen flame retardant and polypropylene polymerize under the effect of stirring and form composite material, take place decomposition reaction when being heated through nitrogen flame retardant and make the composite material that forms have good endothermic performance, can effectual improvement polypropylene material's flame retardant properties.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The polypropylene composite flame-retardant material containing the nitrogen flame retardant comprises the nitrogen flame retardant and polypropylene, wherein the composite mass ratio of the nitrogen flame retardant to the polypropylene is (0.8-0.95): 1, the nitrogen-containing flame retardant is melamine particles, and the nitrogen-containing flame retardant and the polypropylene are mixed and connected through a coupling agent.
The nitrogenous flame retardant is subjected to decomposition reaction when being heated, and mainly comprises melamine and derivatives thereof and related heterocyclic compounds, such as melamine phosphate;
the polypropylene is modified aiming at the defects of poor impact resistance, poor weather resistance, poor surface decoration property, poor functionality in the aspects of electricity, magnetism, light, heat, combustion and the like and the difference between the actual requirements and the polypropylene at low temperature, the mechanical properties, the heat resistance, the aging resistance and other properties of the polypropylene are improved by changing the macromolecular components and the macromolecular structure or the crystal configuration of the polypropylene through copolymerization modification, crosslinking modification, grafting modification, addition of a nucleating agent and the like, the comprehensive properties of the polypropylene are improved, the application field of the polypropylene is expanded, and the copolymerization modification is modification in the propylene monomer synthesis stage by adopting catalysts such as metallocene and the like.
The particle size of the melamine particles is 2-2.5 mu m, the coupling agent is a silane coupling agent, polypropylene is polymerized by a metallocene catalyst to form a random copolymer, and a complex formed by the metallocene catalyst takes a transition state with irregular shape limited to a certain extent as a single active center, so that the relative molecular mass and the distribution thereof, the comonomer content, the distribution on a main chain and the crystal structure of a high polymer are accurately controlled.
In summary, the polypropylene composite flame retardant material containing the nitrogen-containing flame retardant is prepared by adding the nitrogen-containing flame retardant into a modified polypropylene material, adding the silane coupling agent into the mixture of the nitrogen-containing flame retardant and polypropylene, stirring the nitrogen-containing flame retardant and the polypropylene, so that the silane coupling agent modifies the surfaces of the nitrogen-containing flame retardant and the polypropylene, and the nitrogen-containing flame retardant and the polypropylene are polymerized under the stirring action to form the composite material.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A polypropylene composite flame-retardant material containing a nitrogen flame retardant is characterized in that: the flame retardant comprises a nitrogen-containing flame retardant and polypropylene, wherein the composite mass ratio of the nitrogen-containing flame retardant to the polypropylene is 0.8-0.95: 1, the nitrogen-containing flame retardant is melamine particles, and the nitrogen-containing flame retardant and polypropylene are mixed and connected through a coupling agent.
2. The polypropylene composite flame retardant material containing the nitrogen flame retardant as claimed in claim 1, wherein: the particle size of the melamine particles is 2-2.5 mu m.
3. The polypropylene composite flame retardant material containing the nitrogen flame retardant as claimed in claim 1, wherein: the coupling agent is a silane coupling agent.
4. The polypropylene composite flame retardant material containing the nitrogen flame retardant as claimed in claim 1, wherein: the polypropylene is polymerized by a metallocene catalyst to form a random copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210706035.1A CN114921027A (en) | 2022-06-21 | 2022-06-21 | Polypropylene composite flame-retardant material containing nitrogen flame retardant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210706035.1A CN114921027A (en) | 2022-06-21 | 2022-06-21 | Polypropylene composite flame-retardant material containing nitrogen flame retardant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114921027A true CN114921027A (en) | 2022-08-19 |
Family
ID=82814572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210706035.1A Pending CN114921027A (en) | 2022-06-21 | 2022-06-21 | Polypropylene composite flame-retardant material containing nitrogen flame retardant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114921027A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235175A (en) * | 2008-01-14 | 2008-08-06 | 宁波永发新材料发展有限公司 | Anti-flaming polypropylene composite material and preparation method thereof |
| CN103483690A (en) * | 2013-07-31 | 2014-01-01 | 宁波泛龙塑料新材料有限公司 | Modified polypropylene composite material |
-
2022
- 2022-06-21 CN CN202210706035.1A patent/CN114921027A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235175A (en) * | 2008-01-14 | 2008-08-06 | 宁波永发新材料发展有限公司 | Anti-flaming polypropylene composite material and preparation method thereof |
| CN103483690A (en) * | 2013-07-31 | 2014-01-01 | 宁波泛龙塑料新材料有限公司 | Modified polypropylene composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102419744B1 (en) | Flame retardant, composite flame retardant, flame retardant antistatic composition and flame resistant method | |
| CN110483898B (en) | High-fluidity precipitation-resistant halogen-free flame retardant and preparation method and application thereof | |
| MX2013009026A (en) | Flame retardant compositions. | |
| CN105086161A (en) | Novel halogen-free flame retardant composite material and preparation method thereof | |
| CN100506902C (en) | Fiber-polypropylene resin composite material and particle, and fiber reinforced resin product produced thereby | |
| CN102690378A (en) | Modified propylene polymer | |
| CN110684344A (en) | Halogen-free flame-retardant nylon composite material and preparation method and application thereof | |
| CN110387066B (en) | Preparation of microencapsulated modified flame retardant | |
| CN105131449A (en) | Expanded antiflaming environment-friendly polystyrene | |
| KR20140058748A (en) | Method for producing peroxide masterbatch composition and reforming polypropylene using thereof | |
| CN114921027A (en) | Polypropylene composite flame-retardant material containing nitrogen flame retardant | |
| CN103408877B (en) | A kind of method utilizing α-hemihydrate calcium sulfate crystal whisker flame retarded polymeric material | |
| Park et al. | Triallyl isocyanurate‐assisted grafting of maleic anhydride to poly (lactic acid): Efficient compatibilizers for poly (lactic acid)/talc composites with enhanced mechanical properties | |
| CN114874481A (en) | Polymethacrylimide foam with multi-layer wave-absorbing structure and preparation method thereof | |
| CN113549269A (en) | Application of nickel cobaltate as flame-retardant synergist | |
| CN113549402B (en) | Halogen-free flame-retardant electronic product melt adhesive film and preparation method thereof | |
| CN111363219A (en) | Polyethylene, phosphaphenanthrene and polyphosphazene double-base synergistic flame-retardant composite material and preparation method and application thereof | |
| CN1827678A (en) | Refractory polypropylene composite | |
| JPS6018529A (en) | Production of olefin resin mixture | |
| CN115093554B (en) | Special efficient halogen-free flame retardant for PBT (polybutylene terephthalate) and preparation method thereof | |
| CN111471237B (en) | Wear-resistant high-impact-resistance composition suitable for gas-water pump assembly and preparation method thereof | |
| CN114773707B (en) | Beta-cyclodextrin microcapsule ammonium polyphosphate intumescent flame-retardant low-density polyethylene and preparation method thereof | |
| CN103804910A (en) | Glass fiber, SiO2 enhanced toughened polyphenylene sulfide material and preparation method thereof | |
| CN111040250B (en) | Composite flame retardant for plastics | |
| CN110964243A (en) | Polypropylene 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 |