CN103937091A - Flame retardation enhanced polypropylene composition and preparation method thereof - Google Patents
Flame retardation enhanced polypropylene composition and preparation method thereof Download PDFInfo
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- CN103937091A CN103937091A CN201410091122.6A CN201410091122A CN103937091A CN 103937091 A CN103937091 A CN 103937091A CN 201410091122 A CN201410091122 A CN 201410091122A CN 103937091 A CN103937091 A CN 103937091A
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- polypropylene
- fire retardant
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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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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Abstract
The invention discloses a flame retardation enhanced polypropylene composition, comprising, by weight, 5 to 15% of co-polypropylene, 50 to 70% of homo-polypropylene, 15 to 35% of a fire retardant and 7 to 20% of a glass fiber, wherein the fire retardant is a compound of decabromodiphenylethane and magnesium hydroxide in a compounding ratio of 2:1 to 4: 1 by weight. A preparation method for the polypropylene composition comprises the following steps: a) subjecting co-polypropylene and homo-polypropylene to mixing on a double-roller mixing roll at a temperature of 175 to 185 DEG C so as to obtain a fused polypropylene premix; b) preheating the glass fiber and the fire retardant to 185 to 200 DEG C; c) uniformly mixing the preheated glass fiber and the fused polypropylene premix so as to obtain a blend; and d) adding the preheated fire retardant into the blend and carrying out mixing on the double-roller mixing roll at the temperature of 175 to 185 DEG C so as to obtain the flame retardation enhanced polypropylene composition. The flame retardation enhanced polypropylene composition employs the fire retardant compounded by decabromodiphenylethane and magnesium hydroxide and has small toxicity, a good environmental protection effect, a synergistic flame retardant effect, an oxygen index of greater than 30% and a flame retardation grade of UL94V-1.
Description
Technical field
The present invention relates to polymeric material field, particularly a kind of flame-proof reinforced polypropylene composition and method of making the same.
Background technology
At present, along with the raising of PP Production Technology, the improvement of polymerization technique, high-flowability polypropylene product development and application obtain remarkable progress; Polypropylene articles is widely used in fields such as packaging, transport, household electrical appliances, automobile, offices.
But polypropylene is a kind of very easily product of combustion, at present polypropylene flame redardant with halogen and antimony based compound composite be a kind of proven technique, but it can not meet the requirement of environmental protection, and cost is high, complicated process of preparation.
Therefore, exploitation is a kind of can meet the requirement of environmental protection, and flame retardant rating can reach UL94V-1, flame-proof polypropelene composition that intensity is high seems very important.
Summary of the invention
For the shortcoming that overcomes prior art is with not enough, primary and foremost purpose of the present invention is to provide that a kind of environmental protection, intensity are high, oxygen index is greater than 30%, and flame retardant rating can reach the flame-proof reinforced polypropylene composition of UL94V-1.
Another object of the present invention is to provide the preparation method of above-mentioned flame-proof reinforced polypropylene composition.
The present invention is achieved through the following technical solutions:
A kind of flame-proof reinforced polypropylene composition, by weight percentage, comprises following component:
Co-polypropylene 5 ~ 15%;
Homo-polypropylene 50 ~ 70%;
Fire retardant 15 ~ 35%;
Glass fibre 7 ~ 20%;
Wherein, described fire retardant is the compound of TDE and magnesium hydroxide, and by weight percentage, TDE is 2:1 ~ 4:1 than the scope of magnesium hydroxide.
In the time that being less than 2:1 or being greater than 4:1 than the scope of magnesium hydroxide, TDE all do not have the effect of cooperative flame retardant.
The melt flow rate (MFR) of described Co-polypropylene is 8-9.4g/min, and this melt flow rate (MFR) is to measure by the measuring method of GB/T 3682-2000 thermoplastics melt mass flow rate and melt volume-flow rate.
The diameter of described glass fibre is 15 ~ 25um, and length is 0.3 ~ 0.6mm.
A preparation method for flame-proof reinforced polypropylene composition, comprises the steps:
A) Co-polypropylene and homo-polypropylene are carried out on double roll mill mixing in 175-185 DEG C, obtain melt polypropylene Preblend;
B) glass fibre, fire retardant are preheated to respectively to 185-200 DEG C;
C) the melt polypropylene Preblend glass fibre after preheating being obtained with step a) mixes, and obtains blend;
D) fire retardant after preheating is added in the blend obtaining in step c), on double roll mill, carries out mixingly in 175-185 DEG C, obtain flame-proof reinforced polypropylene composition.
The present invention compared with prior art, has following beneficial effect:
1) the non-flammable glass fibre of flame-proof reinforced polypropylene composition employing of the present invention itself strengthens, and can play intensity high, the effect of cooperative flame retardant.
2) the composite fire retardant of flame-proof reinforced polypropylene composition employing TDE of the present invention and magnesium hydroxide, toxicity is little, and environment protecting is good.
3) the composite fire retardant of flame-proof reinforced polypropylene composition employing TDE of the present invention and magnesium hydroxide, plays good cooperative flame retardant effect, and oxygen index can be greater than 30%, and flame retardant rating can reach UL94V-1.
Embodiment
Further illustrate the present invention below by embodiment, following examples are preferably embodiment of the present invention, but embodiments of the present invention are not subject to the restriction of following embodiment.
In following examples and comparative example, raw material used is as follows:
Co-polypropylene: TPC company of Singapore, model is AW564;
Homo-polypropylene: Yanshan Petrochemical, model is K1008;
TDE: Albemarle Corporation, model is 8010;
Magnesium hydroxide: " magnesium despot " board PS-1191.
embodiment 1 ~ 5: the preparation of flame-proof reinforced polypropylene composition
A kind of flame-proof reinforced polypropylene composition, its composition of raw materials is as shown in table 1, its preparation method comprises the steps: to take by weight percentage Co-polypropylene, homo-polypropylene, fire retardant and glass fibre, wherein, fire retardant is the compound of TDE and magnesium hydroxide, by weight percentage, TDE is 2:1 ~ 4:1 than the scope of magnesium hydroxide; The Co-polypropylene taking and homo-polypropylene are carried out on double roll mill mixing in 175-185 DEG C, obtain melt polypropylene Preblend; The glass fibre taking, fire retardant are preheated to respectively to 185-200 DEG C; Glass fibre after preheating is mixed with the melt polypropylene Preblend obtaining, obtain blend; Fire retardant after preheating is added in the blend obtaining, on double roll mill, carries out mixingly in 175-185 DEG C, obtain flame-proof reinforced polypropylene composition; Measure its correlated performance, concrete data are listed in table 1.
comparative example 1:
A kind of flame-proof reinforced polypropylene composition, its composition of raw materials is as shown in table 1, its preparation method comprises the steps: to take by weight percentage Co-polypropylene, homo-polypropylene, fire retardant and glass fibre, wherein, fire retardant is the compound of TDE and magnesium hydroxide, by weight percentage, TDE is 1:1 than the scope of magnesium hydroxide; The Co-polypropylene taking and homo-polypropylene are carried out on double roll mill mixing in 175-185 DEG C, obtain melt polypropylene Preblend; The glass fibre taking, fire retardant are preheated to respectively to 185-200 DEG C; Glass fibre after preheating is mixed with the melt polypropylene Preblend obtaining, obtain blend; Fire retardant after preheating is added in the blend obtaining, on double roll mill, carries out mixingly in 175-185 DEG C, obtain flame-proof reinforced polypropylene composition; Measure its correlated performance, concrete data are listed in table 1.
comparative example 2:
A kind of flame-proof reinforced polypropylene composition, its composition of raw materials is as shown in table 1, its preparation method comprises the steps: to take by weight percentage Co-polypropylene, homo-polypropylene, fire retardant and glass fibre, wherein, fire retardant is the compound of TDE and magnesium hydroxide, by weight percentage, TDE is 6.5:1 than the scope of magnesium hydroxide; The Co-polypropylene taking and homo-polypropylene are carried out on double roll mill mixing in 175-185 DEG C, obtain melt polypropylene Preblend; The glass fibre taking, fire retardant are preheated to respectively to 185-200 DEG C; Glass fibre after preheating is mixed with the melt polypropylene Preblend obtaining, obtain blend; Fire retardant after preheating is added in the blend obtaining, on double roll mill, carries out mixingly in 175-185 DEG C, obtain flame-proof reinforced polypropylene composition; Measure its correlated performance, concrete data are listed in table 1.
comparative example 3:
A kind of flame-proof reinforced polypropylene composition, its composition of raw materials is as shown in table 1, its preparation method comprises the steps: to take by weight percentage Co-polypropylene, homo-polypropylene, fire retardant and glass fibre, wherein, fire retardant is the compound of TDE and antimonous oxide, by weight percentage, TDE is 3:1 than the scope of antimonous oxide; The Co-polypropylene taking and homo-polypropylene are carried out on double roll mill mixing in 175-185 DEG C, obtain melt polypropylene Preblend; The glass fibre taking, fire retardant are preheated to respectively to 185-200 DEG C; Glass fibre after preheating is mixed with the melt polypropylene Preblend obtaining, obtain blend; Fire retardant after preheating is added in the blend obtaining, on double roll mill, carries out mixingly in 175-185 DEG C, obtain flame-proof reinforced polypropylene composition; Measure its correlated performance, concrete data are listed in table 1.
comparative example 4:
A kind of polypropene composition, its composition of raw materials is as shown in table 1, and its preparation method comprises the steps: to take by weight percentage Co-polypropylene, homo-polypropylene; The Co-polypropylene taking and homo-polypropylene are carried out on double roll mill mixing in 175-185 DEG C, obtain melt polypropylene Preblend; Continuation is carried out mixing on double roll mill in 175-185 DEG C, obtain polypropene composition; Measure its correlated performance, concrete data are listed in table 1.
The composition of raw materials of table 1 embodiment 1 ~ 5 and comparative example 1 ~ 4 and specific performance data
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 |
| Co-polypropylene/wt% | 10 | 10 | 8 | 5 | 15 | 10 | 10 | 10 | 40 |
| Homo-polypropylene/wt% | 60 | 55 | 60 | 70 | 50 | 60 | 55 | 60 | 60 |
| TDE/wt% | 15 | 12 | 12.75 | 12 | 12 | 10 | 13 | 15 | - |
| Magnesium hydroxide/wt% | 5 | 3 | 4.75 | 6 | 3 | 10 | 2 | - | - |
| Antimonous oxide/wt% | - | - | - | - | - | - | - | 5 | - |
| Glass fibre/wt% | 10 | 20 | 15 | 7 | 20 | 10 | 20 | 10 | - |
| Glass fiber diameter/um | 18 | 20 | 15 | 23 | 25 | 18 | 20 | 18 | - |
| Glass fibre length/mm | 0.4 | 0.5 | 0.6 | 0.55 | 0.3 | 0.4 | 0.5 | 0.4 | - |
| Tensile strength/MPa | 30.40 | 32.01 | 31.07 | 29.6 | 32.04 | 29.7 | 31.1 | 29.3 | 32.09 |
| Oxygen index/% | 30.5 | 32 | 32 | 31 | 31.5 | 29 | 30 | 29 | 20 |
| UL94 flame retardant rating | V1 | V0 | V0 | V1 | V0 | Not fire-retardant | Not fire-retardant | Not fire-retardant | Not fire-retardant |
The testing standard of each performance or method:
Tensile strength: test with reference to ASTM DG638-2008;
Oxygen index: test with reference to ASTM D2863;
UL94 flame retardant rating: with reference to UL94-2009 vertical combustion testing standard.
Claims (4)
1. a flame-proof reinforced polypropylene composition, is characterized in that, by weight percentage, comprises following component:
Co-polypropylene 5 ~ 15%;
Homo-polypropylene 50 ~ 70%;
Fire retardant 15 ~ 35%;
Glass fibre 7 ~ 20%;
Wherein, described fire retardant is the compound of TDE and magnesium hydroxide, and by weight percentage, TDE is 2:1 ~ 4:1 than the scope of magnesium hydroxide.
2. flame-proof reinforced polypropylene composition according to claim 1, is characterized in that, the melt flow rate (MFR) that described Co-polypropylene is measured by GB/T 3682-2000 is 8-9.4g/min.
3. flame-proof reinforced polypropylene composition according to claim 1, is characterized in that, the diameter of described glass fibre is 15 ~ 25um, and length is 0.3 ~ 0.6mm.
4. a preparation method for the flame-proof reinforced polypropylene composition as described in claim 1 ~ 3 any one, is characterized in that, comprises the steps:
A) Co-polypropylene and homo-polypropylene are carried out on double roll mill mixing in 175-185 DEG C, obtain melt polypropylene Preblend;
B) glass fibre, fire retardant are preheated to respectively to 185-200 DEG C;
C) the melt polypropylene Preblend glass fibre after preheating being obtained with step a) mixes, and obtains blend;
D) fire retardant after preheating is added in the blend obtaining in step c), on double roll mill, carries out mixingly in 175-185 DEG C, obtain flame-proof reinforced polypropylene composition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410091122.6A CN103937091A (en) | 2014-03-12 | 2014-03-12 | Flame retardation enhanced polypropylene composition and preparation method thereof |
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| CN201410091122.6A CN103937091A (en) | 2014-03-12 | 2014-03-12 | Flame retardation enhanced polypropylene composition and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419097A (en) * | 2015-12-21 | 2016-03-23 | 南京华格电汽塑业有限公司 | Environment-friendly flame-retardant modified polypropylene composite material and preparation method thereof |
| CN105419093A (en) * | 2015-12-16 | 2016-03-23 | 中国科学院宁波材料技术与工程研究所 | Foam material with double-peak cellular structure and preparation method of foam material |
| EP3202841A4 (en) * | 2014-10-01 | 2017-09-27 | Japan Polypropylene Corporation | Fiber-reinforced flame-retardant polypropylene resin composition and molded article using the same |
| EP4194496A4 (en) * | 2020-08-06 | 2024-08-14 | Sumitomo Chemical Co | Polypropylene-based resin composition and molded object including same |
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| CN101404396A (en) * | 2008-04-24 | 2009-04-08 | 上海长园电子材料有限公司 | Double-layer thermal contraction casing tube |
| CN102585378A (en) * | 2012-03-17 | 2012-07-18 | 杭州金州高分子科技有限公司 | High heat resistant glass fiber enhanced halogen-free flame retardant polypropylene and preparation method thereof |
| CN102816384A (en) * | 2012-08-08 | 2012-12-12 | 金发科技股份有限公司 | Glass fiber-reinforced polypropylene material with shallow shrinkage mark and low warpage as well as preparation method and application thereof |
| CN103205108A (en) * | 2013-04-16 | 2013-07-17 | 常熟市凯力达蜂窝包装材料有限公司 | Black glass fiber enhanced flame retardant polyamide composite |
| CN103342858A (en) * | 2013-06-29 | 2013-10-09 | 金发科技股份有限公司 | Chopped glass fiber reinforced polypropylene composite material and preparation method and application thereof |
-
2014
- 2014-03-12 CN CN201410091122.6A patent/CN103937091A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101404396A (en) * | 2008-04-24 | 2009-04-08 | 上海长园电子材料有限公司 | Double-layer thermal contraction casing tube |
| CN102585378A (en) * | 2012-03-17 | 2012-07-18 | 杭州金州高分子科技有限公司 | High heat resistant glass fiber enhanced halogen-free flame retardant polypropylene and preparation method thereof |
| CN102816384A (en) * | 2012-08-08 | 2012-12-12 | 金发科技股份有限公司 | Glass fiber-reinforced polypropylene material with shallow shrinkage mark and low warpage as well as preparation method and application thereof |
| CN103205108A (en) * | 2013-04-16 | 2013-07-17 | 常熟市凯力达蜂窝包装材料有限公司 | Black glass fiber enhanced flame retardant polyamide composite |
| CN103342858A (en) * | 2013-06-29 | 2013-10-09 | 金发科技股份有限公司 | Chopped glass fiber reinforced polypropylene composite material and preparation method and application thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3202841A4 (en) * | 2014-10-01 | 2017-09-27 | Japan Polypropylene Corporation | Fiber-reinforced flame-retardant polypropylene resin composition and molded article using the same |
| CN105419093A (en) * | 2015-12-16 | 2016-03-23 | 中国科学院宁波材料技术与工程研究所 | Foam material with double-peak cellular structure and preparation method of foam material |
| CN105419097A (en) * | 2015-12-21 | 2016-03-23 | 南京华格电汽塑业有限公司 | Environment-friendly flame-retardant modified polypropylene composite material and preparation method thereof |
| EP4194496A4 (en) * | 2020-08-06 | 2024-08-14 | Sumitomo Chemical Co | Polypropylene-based resin composition and molded object including same |
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Application publication date: 20140723 |