CN102875846B - Composite environmental-friendly flame retardant for POM (polyoxymethylene) and POM flame-retardant plastic - Google Patents
Composite environmental-friendly flame retardant for POM (polyoxymethylene) and POM flame-retardant plastic Download PDFInfo
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Abstract
The invention discloses a composite environmental-friendly flame retardant for POM (polyoxymethylene) and POM flame-retardant plastic. The composite environmental-friendly flame retardant for POM comprises the following components in parts by weight: 10-20 parts of dimethyl trimethylsilylmethylphosphonate, 30-50 parts of melamine cyanurate, 10-20 parts of diantimony trioxide, 10-20 parts of melamine and 40-60 parts of ammonium octamolybdate. The POM flame-retardant plastic comprises the following components in parts by weight: 100 parts of POM resin and 30-40 parts of the composite environmental-friendly flame retardant for POM. The composite environmental-friendly flame retardant for POM provided by the invention does not contain halogen and has a good flame-retardant function. The POM flame-retardant plastic provided by the invention can be used for producing antifriction and wear-resistant parts, transmission parts, chemical instruments and the like.
Description
Technical field
The present invention relates to a kind of fire retardant and POM plastics, relate in particular to a kind of POM composite environmental-friendly fire retardant and POM flame retardant plastics.
Background technology
Fire is the symbol of human civilization, and its application in the human lives had once promoted historical progress, but it can engulf a large amount of wealth of societys again in seconds simultaneously, harm people's life security.According to statistics, surplus the annual presence of fire in the whole world is about 500 ten thousand, 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 take place 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 not having the card welding operator operates against regulations, causes that inflammable materials such as various nylon wires, polyurethane foam burn rapidly on the dwelling house scaffolding, leads to 58 people and dies in an accident the tragedy that 70 people are injured.
Most plastics all are inflammable substances, and the material of construction of plastics, communications and transportation material, home electric appliance material etc. all need plastics not burn, and good flame retardancy is arranged, and 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) good anti-flaming function will be arranged, consumption seldom just can obviously play fire retardation;
(2) can not influence the physical strength of plastics after fire retardant adds, 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, do not react with other materials yet;
(5) in plastics, be easy to be uniformly dispersed, good weatherability, persistence is good, makes plastics have long-term flame retardant resistance.
As seen, selection of fire retardant in the plastics is a very complicated process, must take all factors into consideration above-mentioned every factor.In existing textbook, for example provided: protective membrane mechanism, 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 can't provide real.
Summary of the invention
At above shortcomings in the prior art, one of technical problem to be solved by this invention provides a kind of POM composite environmental-friendly fire retardant.
Two of technical problem to be solved by this invention provides a kind of POM flame retardant plastics.
Technical problem to be solved by this invention is achieved by the following technical solution:
A kind of POM composite environmental-friendly fire retardant is made up of following components by part by weight: the silica-based dimethyl methyl phosphonate 10-20 of front three part, melamine cyanurate 30-50 part, antimonous oxide 10-20 part, trimeric cyanamide 10-20 part, ammonium octamolybdate 40-60 part.
The silica-based dimethyl methyl phosphonate of front three, melamine cyanurate, antimonous oxide, trimeric cyanamide and ammonium octamolybdate are mixed, can make this POM composite environmental-friendly fire retardant.
The present invention also provides a kind of POM flame retardant plastics, is made up of by weight following component: 100 parts of POM resins, POM are used composite environmental-friendly fire retardant 30-40 part.
Take by weighing POM resin and POM composite environmental-friendly fire retardant by proportioning, after mixing, adopt industry universal method melting mixing, extruding pelletization, namely obtain the POM flame retardant plastics.
POM, polyformaldehyde resin is a kind of simple linear polymer that does not have side chain, high-density, high crystalline.Difference by chemical structure in its molecular chain can be divided into two kinds of acefal homopolymer and copolymerized methanals.Both important difference are: acefal homopolymer density, degree of crystallinity, fusing point are all high, but poor heat stability, processing temperature narrow range (about 10 ℃), lower slightly to ph stability; And copolymerized methanal density, degree of crystallinity, fusing point, intensity are all lower, but Heat stability is good is difficult for decomposing, and processing temperature wide ranges (about 50 ℃) is better to ph stability.Be the engineering plastics with excellent comprehensive performance.Good physics, machinery and chemical property are arranged, excellent crocking resistance is especially arranged.Be commonly called as the match steel or take steel by force, be the third-largest general-purpose plastics.
Thermotolerance and the flame retardant resistance of POM flame retardant plastics of the present invention are more excellent, and preparation technology is simple, and product cost is low, and The comprehensive performance is more excellent.
POM of the present invention has good anti-flaming function with the composite environmental-friendly fire retardant, good with the consistency of POM, in POM, 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 the thermoforming process engineering, do not decompose, performances such as the POM 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
The silica-based dimethyl methyl phosphonate of front three, CAS number: 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; The halogen-free flameproof lubricant, CAS number: 37640-57-6.
The embodiment 1POM preparation of composite environmental-friendly fire retardant
Take by weighing: 15 kilograms of the silica-based dimethyl methyl phosphonates of front three, 40 kilograms of melamine cyanurates, 15 kilograms of antimonous oxides, 15 kilograms of trimeric cyanamides, 50 kilograms of ammonium octamolybdates.
The silica-based dimethyl methyl phosphonate of front three, melamine cyanurate, antimonous oxide and ammonium octamolybdate are mixed, can make this POM composite environmental-friendly fire retardant.
The preparation of embodiment 2POM flame retardant plastics
Take by weighing the POM of 100 kilograms of POM resins and embodiment 1 preparation with 35 kilograms of composite environmental-friendly fire retardants, after mixing, adopt industry universal method melting mixing, extruding pelletization, namely obtain the POM flame retardant plastics.
Comparative example
Take by weighing: 55 kilograms of melamine cyanurates, 15 kilograms of antimonous oxides, 15 kilograms of trimeric cyanamides, 50 kilograms of ammonium octamolybdates, mix, make the composite environmental-friendly fire retardant.
Take by weighing 35 kilograms of 100 kilograms of POM resins and above-mentioned composite environmental-friendly fire retardants, after mixing, adopt industry universal method melting mixing, extruding pelletization, namely obtain the POM flame retardant plastics.
Test case
To blank example, embodiment 2 and comparative example are tested, and concrete data see Table 1.Wherein, blank example is pure POM, does not add any fire retardant.
Table 1:POM flame retardant plastics flame retardant properties test chart
| The UL-94 flame retardant rating, (1.6mm) | LOI，% | |
| Blank example | / | 15.2 |
| Embodiment 2 | V0 | 51.8 |
| Comparative example | V0 | 45.2 |
POM in blank example, embodiment 2 and the comparative example all selects the POM resin of the trade mark 500t nc010 of du pont company production for use.
Thermotolerance and the flame retardant resistance of POM flame retardant plastics of the present invention are more excellent, and preparation technology is simple, and product cost is low, and The comprehensive performance is more excellent.
POM of the present invention composite environmental-friendly fire retardant, not halogen-containing, have good anti-flaming function.POM flame retardant plastics of the present invention can be used for production anti-attrition wear part, driving parts, and chemical industry, parts such as instrument.
Claims (2)
1. POM composite environmental-friendly fire retardant, it is characterized in that, formed by following components by part by weight: the silica-based dimethyl methyl phosphonate 10-20 of front three part, melamine cyanurate 30-50 part, antimonous oxide 10-20 part, trimeric cyanamide 10-20 part, ammonium octamolybdate 40-60 part.
2. a POM flame retardant plastics is characterized in that, is made up of by weight following component: 100 parts of POM resins, the described POM of claim 1 are used composite environmental-friendly fire retardant 30-40 part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210411364 CN102875846B (en) | 2012-10-25 | 2012-10-25 | Composite environmental-friendly flame retardant for POM (polyoxymethylene) and POM flame-retardant plastic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210411364 CN102875846B (en) | 2012-10-25 | 2012-10-25 | Composite environmental-friendly flame retardant for POM (polyoxymethylene) and POM flame-retardant plastic |
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| Publication Number | Publication Date |
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| CN102875846A CN102875846A (en) | 2013-01-16 |
| CN102875846B true CN102875846B (en) | 2013-09-04 |
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| CN 201210411364 Expired - Fee Related CN102875846B (en) | 2012-10-25 | 2012-10-25 | Composite environmental-friendly flame retardant for POM (polyoxymethylene) and POM flame-retardant plastic |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105175981A (en) * | 2015-08-28 | 2015-12-23 | 烟台顺隆化工科技有限公司 | Composite environmental-friendly flame retardant for POM |
| CN106751419A (en) * | 2016-11-22 | 2017-05-31 | 郑州仁宏医药科技有限公司 | A kind of POM flame retardant plastics and preparation method thereof |
| CN106633610A (en) * | 2016-12-13 | 2017-05-10 | 无锡市四方达高分子材料有限公司 | Abrasion-resistant high-polymer material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995130A (en) * | 2006-12-28 | 2007-07-11 | 深圳市科聚新材料有限公司 | Halogen-free environment-friendly flame-proof polyoxymethylene resin and its preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1995130A (en) * | 2006-12-28 | 2007-07-11 | 深圳市科聚新材料有限公司 | Halogen-free environment-friendly flame-proof polyoxymethylene resin and its preparation method |
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Inventor after: Yan Meng Inventor after: Zeng Donghua Inventor before: Song Guoxin |
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Effective date of registration: 20170424 Address after: 510080 Guangdong, Guangzhou, Zhongshan, No. three road, No. 33, China International Center, building B, block (building B, part) of the A10 room (only for office use) Patentee after: Guangzhou Aonuo World Chemical Technology Co. Ltd. Address before: 200137 room 1F79, building, No. 528, Yang Gao Bei Road, Shanghai, Pudong New Area Patentee before: Shanghai Taohong Chemical Technology Co., Ltd. |
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