CN104845346A - High-efficiency modified PC (Polycarbonate) composite material loading composite fiber retardant with active carbon fiber and preparation method thereof - Google Patents
High-efficiency modified PC (Polycarbonate) composite material loading composite fiber retardant with active carbon fiber and preparation method thereof Download PDFInfo
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- CN104845346A CN104845346A CN201510208001.XA CN201510208001A CN104845346A CN 104845346 A CN104845346 A CN 104845346A CN 201510208001 A CN201510208001 A CN 201510208001A CN 104845346 A CN104845346 A CN 104845346A
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Fireproofing Substances (AREA)
Abstract
The invention relates to a modified PC flame-retardant material, in particular to a high-efficiency modified PC (Polycarbonate) composite material loading a composite fiber retardant with an active carbon fiber and a preparation method thereof. In the preparation process of the composite material, nanometer molybdenum trioxide and trimethylsilyl dimethyl methylphosphonate are used as composite flame-retardant synergists and are infiltrated into the active carbon fiber with porous adsorption under a high-pressure condition; the treatment allows that the flame retardant is more uniformly dispersed in the PC material and the flame retardance efficiency is higher. The prepared modified PC composite material has the advantages of simple production process, high-quality and cheap product, superior mechanical performance, safety and environmental friendliness in use and extremely high market competitiveness.
Description
Technical field
The present invention relates to a kind of modification PC flame-proof material, be specifically related to a kind of PC compound material utilizing activated carbon fiber-loaded composite flame-retardant agent high effective and modified and preparation method thereof.
Background technology
Polycarbonate (PC) is a kind of water white indefiniteness thermoplastic material, and have water white transparency, heat-resisting, shock resistance, the performance such as fire-retardant, have good mechanical property, application is very extensive, and wherein fire retardation PC is an application direction of its outbalance.
In traditional production process, in order to improve the flame retardant properties of PC, mainly directly add fire retardant in process of production, the flame retardant effect which results in material is lowly uneven, fire retardant utilization ratio is low, therefore need to set about from technique and formula, improve the utilization ratio of fire retardant in PC material, thus obtain the more excellent flame-proof material of performance.
Summary of the invention
The object of the invention is to, provide a kind of PC compound material utilizing activated carbon fiber-loaded composite flame-retardant agent high effective and modified and preparation method thereof, to obtaining efficient flame retardant effect, to achieve these goals, the technical solution used in the present invention is as follows:
A kind of PC compound material utilizing activated carbon fiber-loaded composite flame-retardant agent high effective and modified and preparation method thereof, it is characterized in that, this compound material is made up of the raw material of following weight part: PC 50-60, nano-sized molybdenum oxide 2-3, activated carbon fiber 7-10, trimethylsilyl dimethyl methyl phosphonate 3-5, methyl-silicone oil 1-2, glycidyl methacrylate 3-4, silane coupling agent 0.1-0.2, distearyl pentaerythrityl diphosphite 0.05-0.1, ultra-fine rubber powder 10-13.
Described a kind of PC compound material utilizing activated carbon fiber-loaded composite flame-retardant agent high effective and modified and preparation method thereof, it is characterized in that, described preparation method comprises following steps:
(1) first activated carbon fiber is mixed with nano-sized molybdenum oxide, trimethylsilyl dimethyl methyl phosphonate, silane coupling agent, after stirring completely, mixture is forced into 20-50Mpa, slow release after keeping 30-50min, material to be mixed is fully uniformly mixed after returning to normal pressure again, obtains activated carbon fiber-loaded nano-sized molybdenum oxide-trimethylsilyl dimethyl methyl phosphonate composite flame-retardant agent materials for later use;
(2) material of step (1) gained is dropped in high speed mixer together with remaining composition mix, send into extruding pelletization in dual-screw pelletizer, obtain modification PC flame-proof material.
Beneficial effect: the present invention using nano-sized molybdenum oxide, trimethylsilyl dimethyl methyl phosphonate as composite flame-proof synergistic agent, and it is infiltrated through under elevated pressure conditions in the activated carbon fiber with porous adsorptivity, it is more even that such process makes fire retardant disperse in PC material, flame retarding efficiency is higher, modification PC compound material production technique prepared by the present invention is simple, product super quality and competitive price, good mechanical performance, use safety environmental protection, has the market competitiveness.
Embodiment
Embodiment
The matrix material of the present embodiment is made up of the raw material of following weight part: PC 55, nano-sized molybdenum oxide 2.5, activated carbon fiber 8, trimethylsilyl dimethyl methyl phosphonate 4, methyl-silicone oil 1.5, glycidyl methacrylate 3.5, silane coupling agent 0.1, distearyl pentaerythrityl diphosphite 0.08, ultra-fine rubber powder 12.
Described a kind of PC compound material utilizing activated carbon fiber-loaded composite flame-retardant agent high effective and modified and preparation method thereof, its preparation method is as follows:
(1) first activated carbon fiber is mixed with nano-sized molybdenum oxide, trimethylsilyl dimethyl methyl phosphonate, silane coupling agent, after stirring completely, mixture is forced into 40Mpa, slow release after keeping 40min, material to be mixed is fully uniformly mixed after returning to normal pressure again, obtains activated carbon fiber-loaded nano-sized molybdenum oxide-trimethylsilyl dimethyl methyl phosphonate composite flame-retardant agent materials for later use;
(2) material of step (1) gained is dropped in high speed mixer together with remaining composition mix, send into extruding pelletization in dual-screw pelletizer, obtain modification PC flame-proof material.
The composite property test result that the present embodiment obtains is as follows:
| Test item | Detected value |
| Tensile strength | 55.8MPa |
| Elongation at break | 56% |
| Shock strength | 18.5MPa |
| Flexural strength | 70.2MPa |
| Flame retardant rating (UL-94) | V-0 |
Claims (2)
1. the PC compound material utilizing activated carbon fiber-loaded composite flame-retardant agent high effective and modified, it is characterized in that, this modification PC compound material is made up of the raw material of following weight part: PC 50-60, nano-sized molybdenum oxide 2-3, activated carbon fiber 7-10, trimethylsilyl dimethyl methyl phosphonate 3-5, methyl-silicone oil 1-2, glycidyl methacrylate 3-4, silane coupling agent 0.1-0.2, distearyl pentaerythrityl diphosphite 0.05-0.1, ultra-fine rubber powder 10-13.
2. a kind of PC compound material utilizing activated carbon fiber-loaded composite flame-retardant agent high effective and modified and preparation method thereof as claimed in claim 1, it is characterized in that, described preparation method comprises following steps:
(1) first activated carbon fiber is mixed with nano-sized molybdenum oxide, trimethylsilyl dimethyl methyl phosphonate, silane coupling agent, after stirring completely, mixture is forced into 20-50Mpa, slow release after keeping 30-50min, material to be mixed is fully uniformly mixed after returning to normal pressure again, obtains activated carbon fiber-loaded nano-sized molybdenum oxide-trimethylsilyl dimethyl methyl phosphonate composite flame-retardant agent materials for later use;
(2) material of step (1) gained is dropped in high speed mixer together with remaining composition mix, send into extruding pelletization in dual-screw pelletizer, obtain modification PC flame-proof material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208001.XA CN104845346A (en) | 2015-04-28 | 2015-04-28 | High-efficiency modified PC (Polycarbonate) composite material loading composite fiber retardant with active carbon fiber and preparation method thereof |
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| CN201510208001.XA CN104845346A (en) | 2015-04-28 | 2015-04-28 | High-efficiency modified PC (Polycarbonate) composite material loading composite fiber retardant with active carbon fiber and preparation method thereof |
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| CN104845346A true CN104845346A (en) | 2015-08-19 |
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| CN201510208001.XA Pending CN104845346A (en) | 2015-04-28 | 2015-04-28 | High-efficiency modified PC (Polycarbonate) composite material loading composite fiber retardant with active carbon fiber and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109265751A (en) * | 2018-08-21 | 2019-01-25 | 南京林业大学 | A kind of activated carbon fiber-loaded composite nanometer flame retardant and method for coating |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109265751A (en) * | 2018-08-21 | 2019-01-25 | 南京林业大学 | A kind of activated carbon fiber-loaded composite nanometer flame retardant and method for coating |
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