CN104292501A - Dibutyl phenylphosphinate (PPDB) flame retardant composition and application method thereof - Google Patents
Dibutyl phenylphosphinate (PPDB) flame retardant composition and application method thereof Download PDFInfo
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Abstract
The invention relates to a dibutyl phenylphosphinate (PPDB) flame retardant composition and an application method thereof. The flame retardant composition is prepared by the steps of compounding one or two of PPDB, chlorinated paraffin-52 (short for CP52), tetrachloroethyl silicate (short for STCE), tetradichloropropyl silicate (short for STDE) or tridichloropropyl phenyl silicate (short for STDPE) according to any ratio, and then, uniformly mixing, wherein the weight parts of both PPDB and CP52 are larger than zero. The flame retardant composition provided by the invention has the advantages of synergistic effect among various elements, good compatibility with materials, high flame-retardant efficiency, low cost and the like, and can be used as a flame retardant for materials such as polyvinyl chloride, polyurethane, unsaturated resin, epoxy resin and the like so as to have favorable application prospects.
Description
Technical field
The present invention relates to a kind of Dibutyl phenyl hypophosphite flame retardant composition and application method thereof, this flame retardant composition can be used as the fire retardant of the materials such as polyvinyl chloride, urethane, unsaturated polyester, epoxy resin.
Background technology
Along with the continuous progress of science, macromolecular material is more and more applied in the productive life of people, but because its inflammable characteristic causes fire frequently to occur, serious threat is often caused to the security of the lives and property of people, facilitates the fast development of fire retardant industry.And along with the enhancing of people's safety and environmental protection consciousness, the continuous appearance of flame retardant regulation, more urgent to the research of excellent property fire retardant, especially new and effective flame-retardant plasticizer is more by the favor of people.Due to clorafin low price, application widely, but the flame retardant resistance of clorafin and plasticity are not very excellent, flame retardant resistance and the plasticity of thus improving clorafin are the hot subjects that current plastic working circle is studied.It has been found that flame-retardant plasticizer tritolyl phosphate (TCP) can improve consistency and the flame retardant resistance of clorafin and material, but it is expensive, application cost is high, receives certain restriction.Research is found has the new flame-retardant plasticizer of above-mentioned functions to be a market problem demanding prompt solution.
Research finds that the organic phosphine fire retardant containing C-P key in molecule is all very friendly with the performance improving material to improving fire retardation.Organic phosphine fire retardant has low toxicity, decomposition temperature is high, machining property good, the not easily advantage such as precipitation.Therefore, this based flame retardant more and more comes into one's own.Multielement synergetic organic phosphine fire retardant can give material better fire-retardant and processing characteristics, thus designs multielement in molecule and works in coordination with or worked in coordination with by the composite multielement that realizes thus realized reducing costs, improving the important directions that flame retardant properties etc. has become the research of current flame-retarded technology.The organic phosphine fire retardant high in particular for material cost performances such as polyvinyl chloride, urethane, unsaturated polyester, epoxy resin is more urgently developed.
The invention discloses a kind of Dibutyl phenyl hypophosphite flame retardant composition and application method thereof, in this flame retardant composition, Dibutyl phenyl hypophosphite contains stable fragrant phosphine key, be easy to be formed fine and close and uniform polyphosphoric acid protective membrane in the process of being heated of burning, ignition-proof element silicon in composition and chlorine, have and promote into carbon, anoxybiotic is heat insulation, expand, the multiple fire retardant mechanisms such as cooling, the secondary combustion that material molten drop causes can be prevented, produce excellent flame-retarded efficiency, cooperative flame retardant is effective, stability is high, be adapted to high temperature process, the consistency of clorafin and macromolecular material can be improved.This flame retardant composition preparation method is simple simultaneously, can reduce costs, have good application prospect.
Summary of the invention
An object of the present invention is to propose a kind of Dibutyl phenyl hypophosphite flame retardant composition.This flame retardant composition flame-retarded efficiency is high, can be widely used as the fire retardant of the materials such as polyvinyl chloride, urethane, unsaturated polyester, epoxy resin, can overcome deficiency of the prior art, have good application and development prospect.
Another object of the present invention is to propose the application method of a kind of Dibutyl phenyl hypophosphite flame retardant composition in the materials such as polyvinyl chloride, urethane, unsaturated polyester, epoxy resin.
The object of the invention is to be achieved through the following technical solutions:
A kind of Dibutyl phenyl hypophosphite flame retardant composition, it is that, Homogeneous phase mixing composite with arbitrary proportion by Dibutyl phenyl hypophosphite (be called for short PPDB) and one or both in chlorinated paraffin-52 (being called for short CP52), silicic acid four (chloroethyl) ester (being called for short STCE), silicic acid four (two chloropropyls) ester (being called for short STDE) or silicic acid three (two chloropropyls) phenyl ester (being called for short STDPE) obtains, and the weight fraction of PPDB and CP52 is all greater than zero.But consider reduction and the flame retardant properties of price, the compound proportion that recommendation tables 1 is stated.Table 1 is the per-cent that each component accounts for fire retardant gross weight.
The each formulation ratio table of table 1 flame retardant composition
Wherein, the structure of PPDB is shown below:
The molecular formula of CP52 is as follows:
C
15H
26Cl
6
The structure of STCE is shown below:
The structure of STDE is shown below:
The structure of STDPE is shown below:
The application method of flame retardant composition of the present invention described above, to be applied as example in polyvinyl chloride, is characterized in that, the method is:
In polyvinyl chloride, add the flame retardant composition of formula 1, formula 2, formula 3 or formula 4, stir, injection moulding or extrude under melt temperature.
Compared with prior art, beneficial effect of the present invention is:
1. the Dibutyl phenyl hypophosphite molecular structure in flame retardant composition of the present invention has good planar conjugate stability, and containing stable fragrant phosphine key, decomposition temperature is high, volatility is little, physical and chemical performance is stablized, and has good consistency with macromolecular material, the high temperature process of energy adaptation material.
2. flame retardant composition provided by the invention, containing phosphorus, silicon and chlorine ignition-proof element, can produce synergistic fire retardation, have good flame-retarded efficiency, have good application and development prospect to materials such as polyvinyl chloride, urethane, unsaturated polyester, epoxy resin.
3. the Dibutyl phenyl hypophosphite in flame retardant composition of the present invention is applied to the consistency improving chlorinated paraffin-52 and polyvinyl chloride in polyvinyl chloride, cheap chlorinated paraffin-52 can be added, reduce the usage quantity of plasticizer phthalic acid dioctyl ester (DOP) or dibutyl phthalate (DBP), reduce costs, flame retardant properties improves.
4. Silicone-containing Flame Retardant silicic acid four (chloroethyl) ester, silicic acid four (two chloropropyls) ester or silicic acid three (two chloropropyls) phenyl ester have good flame-retarded efficiency and become charcoal effect, can prevent melting from dripping the secondary combustion caused.
5. the preparation method of flame retardant composition provided by the invention is simple, and facility investment is few, can reduce application cost, and application is convenient.
Embodiment
Provide embodiment below so that the invention will be further described; but be pointed out that following examples can not be interpreted as limiting the scope of the invention, some nonessential improvement that person skilled in the art's foregoing according to the present invention of this area is made the present invention and adjustment still belong to protection scope of the present invention.
Embodiment 1 adds PPDB and CP52 of different ratios in polyvinyl chloride, stirs, and extrudes with XJ-01 forcing machine the batten that diameter is about 3mm under melt temperature, surveys its limiting oxygen index(LOI), the results are shown in Table 2 with HC900-2 type oxygen index measurer.
Table 2 fire retardant PPDB and CP52 is composite to the fire-retardant data of PVC
Embodiment 2 adds PPDB, CP52 and STCE of different ratios in polyvinyl chloride, stirs, and extrudes with XJ-01 forcing machine the batten that diameter is about 3mm under melt temperature, surveys its limiting oxygen index(LOI), the results are shown in Table 3 with HC900-2 type oxygen index measurer.
Table 3 fire retardant PPDB and CP52 and STCE is composite to the fire-retardant data of PVC
Embodiment 3 adds PPDB, CP52 and STDE of different ratios in polyvinyl chloride, stirs, and extrudes with XJ-01 forcing machine the batten that diameter is about 3mm under melt temperature, surveys its limiting oxygen index(LOI), the results are shown in Table 4 with HC900-2 type oxygen index measurer.
Table 4 fire retardant PPDB and CP52 and STDE is composite to the fire-retardant data of PVC
Embodiment 4 adds PPDB, CP52 and STDPE of different ratios in polyvinyl chloride, stirs, and extrudes with XJ-01 forcing machine the batten that diameter is about 3mm under melt temperature, surveys its limiting oxygen index(LOI), the results are shown in Table 5 with HC900-2 type oxygen index measurer.
Table 5 fire retardant PPDB and CP52 and STDPE is composite to the fire-retardant data of PVC
Claims (2)
1. a Dibutyl phenyl hypophosphite flame retardant composition, it is characterized in that, it be composite with arbitrary proportion by Dibutyl phenyl hypophosphite (be called for short PPDB) and one or both in chlorinated paraffin-52 (being called for short CP52), silicic acid four (chloroethyl) ester (being called for short STCE), silicic acid four (two chloropropyls) ester (being called for short STDE) or silicic acid three (two chloropropyls) phenyl ester (being called for short STDPE), Homogeneous phase mixing obtained, and the weight fraction of PPDB and CP52 is all greater than zero
Wherein, the structure of PPDB is shown below:
The molecular formula of CP52 is as follows:
C
15H
26Cl
6
The structure of STCE is shown below:
The structure of STDE is shown below:
The structure of STDPE is shown below:
2. the application method of a kind of Dibutyl phenyl hypophosphite flame retardant composition according to claim 1 is: in polyvinyl chloride, add PPDB and CP52 of different ratios or PPDB, CP52 and STCE or PPDB, CP52 and STDE or PPDB, CP52 and STDPE, stir, injection moulding or extrude under melt temperature.
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| CN201410507951.8A CN104292501B (en) | 2014-09-26 | 2014-09-26 | Dibutyl phenylphosphinate (PPDB) flame retardant composition and application method thereof |
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| CN201410507951.8A CN104292501B (en) | 2014-09-26 | 2014-09-26 | Dibutyl phenylphosphinate (PPDB) flame retardant composition and application method thereof |
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| CN104292501B CN104292501B (en) | 2017-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3802553A4 (en) * | 2017-07-11 | 2022-03-09 | Aditya Birla Chemicals (USA) LLC | Silicon-containing compositions and their methods of use |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103254230A (en) * | 2013-06-05 | 2013-08-21 | 苏州科技学院 | Dibutyl phenyl hypophosphite compound and preparation method thereof |
| CN103396645A (en) * | 2013-07-12 | 2013-11-20 | 安徽安远塑胶股份有限公司 | Flame-retardant plastic and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103254230A (en) * | 2013-06-05 | 2013-08-21 | 苏州科技学院 | Dibutyl phenyl hypophosphite compound and preparation method thereof |
| CN103396645A (en) * | 2013-07-12 | 2013-11-20 | 安徽安远塑胶股份有限公司 | Flame-retardant plastic and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王彦林等: ""新型阻燃增塑剂硅酸三(氯丙基)苯酯的合成"", 《工程塑料应用》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3802553A4 (en) * | 2017-07-11 | 2022-03-09 | Aditya Birla Chemicals (USA) LLC | Silicon-containing compositions and their methods of use |
| US11731932B2 (en) | 2017-07-11 | 2023-08-22 | Aditya Birla Chemicals (Usa), Inc. | Silicon-containing compositions and their methods of use |
| US11905228B2 (en) | 2017-07-11 | 2024-02-20 | Aditya Birla Chemicals (Usa), Inc. | Salts of diaminoacetals and diaminoketals and their synthesis, and their transformations to diaminoacetals and diaminoketals |
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