CN102875935B - Composite environmental-friendly flame retardant for PVC (polyvinyl chloride) and PVC flame-retardant plastic - Google Patents
Composite environmental-friendly flame retardant for PVC (polyvinyl chloride) and PVC flame-retardant plastic Download PDFInfo
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- CN102875935B CN102875935B CN201210411356.5A CN201210411356A CN102875935B CN 102875935 B CN102875935 B CN 102875935B CN 201210411356 A CN201210411356 A CN 201210411356A CN 102875935 B CN102875935 B CN 102875935B
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Abstract
The invention discloses a composite environmental-friendly flame retardant for PVC (polyvinyl chloride) and PVC flame-retardant plastic. The composite environmental-friendly flame retardant for PVC comprises the following components in parts by weight: 10-20 parts of dimethyl trimethylsilylmethylphosphonate, 30-50 parts of melamine cyanurate, 10-20 parts of molybdenum trioxide and 40-60 parts of ammonium polyphosphate. The PVC flame-retardant plastic comprises the following components in parts by weight: 100 parts of PVC resin and 10-30 parts of composite environmental-friendly flame retardant for PVC. The composite environmental-friendly flame retardant for PVC provided by the invention does not contain halogen and has a good flame-retardant function. The PVC flame-retardant plastic provided by the invention has a long-term flame-retardant performance.
Description
Technical field
The present invention relates to a kind of fire retardant and PVC plastics, relate in particular to a kind of PVC composite environmental-friendly fire retardant and PVC flame retardant plastics.
Background technology
Fire is the symbol of human civilization, and its application in human lives had once promoted historical progress, but it can engulf a large amount of wealth of society again in seconds simultaneously, harm people's life security.According to statistics, the annual presence of fire in the whole world is about more than 500 ten thousand, and nearly 100,000 people die among the sea of fire, and hundreds of millions of properties are destroyed, and countless people have lost their relatives.
In China, fire hazard situation allows of no optimist equally, and some fire disaster accidents occur again and again.For example, on November 15th, 2010,28 floor flat building generation fire disasters of Jing'an District, Shanghai City.Official investigation rises because operate, cause on house scaffolding that without card welding operator the inflammable materials such as various nylon wires, polyurethane foam burn rapidly against regulations, leads to 58 people wrecked, the tragedy that 70 people are injured.
Most plastics are all inflammable substances, and the material of construction of plastics, communications and transportation material, home electric appliance material etc. all need plastics not burn, and have good flame retardant properties, require the degree of being fuming of plastics in big fire little.For this reason, in plastic formula, select to add fire retardant and just become extremely important.
Requirement to fire retardant:
(1) will have good anti-flaming function, consumption seldom just can obviously play fire retardation;
(2) fire retardant can not affect the physical strength of plastics after adding, and particularly can not reduce heat-drawn wire, mechanics temperature and the electrical insulation capability of plastics;
(3) to get well with the consistency of resin, in plastics, not move, do not separate out, be not extracted;
(4) in high-temperature fusion moulding and thermoforming process engineering, do not decompose, also do not react with other materials;
(5) in plastics, be easy to be uniformly dispersed, good weatherability, persistence is good, makes plastics have long-term flame retardant resistance.
Visible, the selection of fire retardant in plastics, is a very complicated process, must consider above-mentioned every factor.In existing textbook, for example provide: protective membrane mechanism, the not so mechanism such as gas mechanism, coolant mechanism and terminating chain lock reactor mechanism; these can select to provide a fuzzy direction to fire retardant, effectively help but but cannot provide real.
Summary of the invention
For above shortcomings in prior art, one of technical problem to be solved by this invention is to provide a kind of PVC composite environmental-friendly fire retardant.
Two of technical problem to be solved by this invention is to provide a kind of PVC flame retardant plastics.
Technical problem to be solved by this invention, is achieved by the following technical solution:
A kind of PVC composite environmental-friendly fire retardant, is made up of the component of following weight parts: trimethylsilyl dimethyl methyl phosphonate 10-20 part, melamine cyanurate 30-50 part, molybdic oxide 10-20 part, ammonium polyphosphate 40-60 part.
Trimethylsilyl dimethyl methyl phosphonate, melamine cyanurate, molybdic oxide and ammonium polyphosphate are uniformly mixed, can make this PVC composite environmental-friendly fire retardant.
The present invention also provides a kind of PVC flame retardant plastics, is made up of by weight following component: 100 parts of polyvinyl chloride resins, PVC uses composite environmental-friendly fire retardant 10-30 part.
Take polyvinyl chloride resin and PVC composite environmental-friendly fire retardant by proportioning, after mixing, adopt industry universal method melting mixing, extruding pelletization, obtain PVC flame retardant plastics.
PVC, Chinese: polyvinyl chloride English name: polyvinylchloride is the polymkeric substance with random configuration structure that a kind of repeating unit is.
Thermotolerance and the flame retardant resistance of PVC flame retardant plastics of the present invention are more excellent, and preparation technology is simple, and product cost is low, and the over-all properties of product is more excellent.
PVC of the present invention has good anti-flaming function with composite environmental-friendly fire retardant, good with the consistency of PVC, in PVC, do not move, do not separate out, be not extracted, be easy to be uniformly dispersed, good weatherability, persistence is good, in high-temperature fusion moulding and thermoforming process engineering, do not decompose, the performances such as the PVC flame retardant plastics heat-drawn wire, mechanics temperature and the electrical insulation capability that make are not affected, and plastics have long-term flame retardant resistance.
Embodiment
Trimethylsilyl dimethyl methyl phosphonate, No. CAS: 13433-42-6.Its English name is: Phosphonic acid, P-[(trimethylsilyl) methyl]-, dimethyl ester.
Melamine cyanurate, English name melamine cyanurate, Chinese another name: melamine pyrophosphate; Halogen-free flame retardants MPP; Melamine cyanurate; MCA; Halogen-free flameproof lubricant, No. CAS: 37640-57-6.
The preparation of composite environmental-friendly fire retardant for embodiment 1PVC
Take: 15 kilograms of trimethylsilyl dimethyl methyl phosphonates, 40 kilograms of melamine cyanurates, 15 kilograms of molybdic oxides, 50 kilograms of ammonium polyphosphates.
Trimethylsilyl dimethyl methyl phosphonate, melamine cyanurate, molybdic oxide and ammonium polyphosphate are uniformly mixed, can make this PVC composite environmental-friendly fire retardant.
The preparation of embodiment 2PVC flame retardant plastics
Take 20 kilograms of composite environmental-friendly fire retardants of PVC prepared by 100 kilograms of polyvinyl chloride resins and embodiment 1, after mixing, adopt industry universal method melting mixing, extruding pelletization, obtain PVC flame retardant plastics.
Comparative example
Take: 15 kilograms of tricresyl phosphate (2-chloropropyl) esters, 40 kilograms of melamine cyanurates, 15 kilograms of molybdic oxides, 50 kilograms of ammonium polyphosphates, mix, make composite environmental-friendly fire retardant.
Take 20 kilograms of 100 kilograms of polyvinyl chloride resins and above-mentioned composite environmental-friendly fire retardants, after mixing, adopt industry universal method melting mixing, extruding pelletization, obtain PVC flame retardant plastics.
Test case
To blank example, embodiment 2 and comparative example are tested, and concrete data are in table 1.Wherein, blank example is pure PVC, does not add any fire retardant.
Table 1:PVC flame retardant plastics flame retardant properties test chart
| UL-94 flame retardant rating, (1.6mm) | LOI，% | |
| Blank example | NR | 45.5 |
| Embodiment 2 | V0 | 61.5 |
| Comparative example | V0 | 59.6 |
PVC in blank example, embodiment 2 and comparative example is all selected from the PVC that the trade mark that Qilu Petrochemical produces is S-700.
Thermotolerance and the flame retardant resistance of PVC flame retardant plastics of the present invention are more excellent, and preparation technology is simple, and product cost is low, and the over-all properties of product is more excellent.
And embodiment 2 has declined 44.5% with respect to the routine smoke density of blank.
PVC of the present invention composite environmental-friendly fire retardant, not halogen-containing, there is good anti-flaming function, good with the consistency of PVC, in PVC, do not move, do not separate out, be not extracted, be easy to be uniformly dispersed, good weatherability, persistence is good, in high-temperature fusion moulding and thermoforming process engineering, do not decompose, the performances such as the PVC flame retardant plastics heat-drawn wire, mechanics temperature and the electrical insulation capability that make are not affected, and plastics have long-term flame retardant resistance.
Claims (2)
1. a PVC composite environmental-friendly fire retardant, is characterized in that, is made up of the component of following weight parts: trimethylsilyl dimethyl methyl phosphonate 10-20 part, melamine cyanurate 30-50 part, molybdic oxide 10-20 part, ammonium polyphosphate 40-60 part.
2. a PVC flame retardant plastics, is characterized in that, is made up of by weight following component: 100 parts of polyvinyl chloride resins, PVC claimed in claim 1 uses composite environmental-friendly fire retardant 10-30 part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210411356.5A CN102875935B (en) | 2012-10-25 | 2012-10-25 | Composite environmental-friendly flame retardant for PVC (polyvinyl chloride) and PVC flame-retardant plastic |
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| CN201210411356.5A CN102875935B (en) | 2012-10-25 | 2012-10-25 | Composite environmental-friendly flame retardant for PVC (polyvinyl chloride) and PVC flame-retardant plastic |
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| CN102875935A CN102875935A (en) | 2013-01-16 |
| CN102875935B true CN102875935B (en) | 2014-06-11 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105566803A (en) * | 2015-12-17 | 2016-05-11 | 太仓市美斯门窗有限公司 | Flame-retardant PVC (polyvinyl chloride) plastic door/window |
| CN110922639A (en) * | 2018-09-19 | 2020-03-27 | 南京卡邦科技有限公司 | High-environmental-protection flame retardant mixture and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4267172A (en) * | 1978-09-26 | 1981-05-12 | Shin-Etsu Chemical Co. Ltd. | Bis(triorganosilylalkyl) phosphites |
| CN101735601A (en) * | 2009-12-23 | 2010-06-16 | 东莞市信诺橡塑工业有限公司 | Heat and flame resistant nylon composite |
| CN102532822A (en) * | 2010-12-23 | 2012-07-04 | 上海日之升新技术发展有限公司 | High-glowing-filament-temperature flame-retardancy-enhanced alloy material and preparation method thereof |
| CN102702256A (en) * | 2012-05-25 | 2012-10-03 | 武汉理工大学 | Preparation method of halogen-free retardant dimethyl methylphosphonate |
-
2012
- 2012-10-25 CN CN201210411356.5A patent/CN102875935B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4267172A (en) * | 1978-09-26 | 1981-05-12 | Shin-Etsu Chemical Co. Ltd. | Bis(triorganosilylalkyl) phosphites |
| CN101735601A (en) * | 2009-12-23 | 2010-06-16 | 东莞市信诺橡塑工业有限公司 | Heat and flame resistant nylon composite |
| CN102532822A (en) * | 2010-12-23 | 2012-07-04 | 上海日之升新技术发展有限公司 | High-glowing-filament-temperature flame-retardancy-enhanced alloy material and preparation method thereof |
| CN102702256A (en) * | 2012-05-25 | 2012-10-03 | 武汉理工大学 | Preparation method of halogen-free retardant dimethyl methylphosphonate |
Non-Patent Citations (2)
| Title |
|---|
| MoO3/DMMP/APP复合抑烟、阻燃聚氯乙烯的研究;闫春绵等;《郑州轻工业学院学报》;20080229;第23卷(第1期);第38-40页 * |
| 闫春绵等.MoO3/DMMP/APP复合抑烟、阻燃聚氯乙烯的研究.《郑州轻工业学院学报》.2008,第23卷(第1期),第38-40页. |
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