CN105694505A - Surface powder spraying flame-retardant technology for fibrilia composite material - Google Patents
Surface powder spraying flame-retardant technology for fibrilia composite material Download PDFInfo
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- CN105694505A CN105694505A CN201610132550.8A CN201610132550A CN105694505A CN 105694505 A CN105694505 A CN 105694505A CN 201610132550 A CN201610132550 A CN 201610132550A CN 105694505 A CN105694505 A CN 105694505A
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- flaxen fiber
- fiber composite
- hot pressing
- flame
- powder
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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
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/203—Solid polymers with solid and/or liquid additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2397/00—Characterised by the use of lignin-containing materials
- C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention discloses a surface powder spraying flame-retardant technology for a fibrilia composite material. Fibrilia composite material felt is used as a base body, different contents and proportions of flame retardants and an aid are evenly sprayed on upper and lower surfaces of the base body, and finally, a fibrilia composite material board with flame-retardant performance is obtained through hot press molding, wherein the flame-retardants are APP (ammonium polyphosphate) and EG (expansible graphite), and the aid is PP (polypropylene) powder. The technology has the advantages that the consumption of the flame retardants is low, the technological process is simple and environment-friendly and the like, the fibrilia board prepared with the technology has excellent flame retardation and mechanical performance, is free of toxins and volatile matters and can be widely applied to manufacturing of interior parts of automobiles, motor cars and airplanes.
Description
Technical field
The invention belongs to flame-proof composite material preparing technical field, be specifically related to the surface dusting flame retarding process of a kind of flaxen fiber composite, the method particularly with fire retardant preparations such as flaxen fiber composite material felt and APP, EG with the composite of anti-flammability。
Background technology
Natural ramie fiber felt material has that cost is low, density is little, toughness is big, safety advantages of higher, and its composite is widely used to the manufacture of automotive interior part。For expanding its application in the field such as motor-car, aircraft, flaxen fiber composite needs to meet more harsh environmental protection, fire-retardant and mechanical property requirements。At present, the method for modifying flame of common bast fibre felt material, mainly by the solution pre-soaking fiber felt containing fire retardant, makes fire retardant adhere to or graft on flaxen fiber, then passes through pressure sintering and prepare into parts。The method reduces the toughness of flaxen fiber due to the immersion of solvent, also weakens the compatibility between flaxen fiber and matrix, seriously reduces the mechanical property of composite, additionally, solvent volatilization causes environmental pollution。For this reason, it may be necessary to introduce a kind of new environmental-protection flame-retardant method for sorting, it is possible to improve fire resistance and the mechanical property of composite simultaneously。
Summary of the invention
Present invention aims to above-mentioned the deficiencies in the prior art, it is provided that the surface dusting flame retarding process of a kind of flaxen fiber composite, the made composite of this technique is as automotive interior material, fire resistance and mechanical property are better, safety is high, and preparation technology is simple, environmentally safe。
The above-mentioned purpose of the present invention can be achieved through the following technical solutions:
A kind of surface dusting flame retarding process of flaxen fiber composite, matrix used for flaxen fiber composite material felt；The fire retardant adopted is ammonium polyphosphate APP and expansible graphite EG；Adopting auxiliary agent is polypropylene PP powder；Described dusting flame retarding process includes following preparation process:
A, surface dusting
A certain size flaxen fiber composite material felt of cutting, then weighs APP, EG and PP powder by a certain percentage, by APP and PP Homogeneous phase mixing, and is uniformly sprayed on the upper and lower surface of fiber felt, then EG is uniformly sprayed on fiber felt upper and lower surface；
B, hot-forming
Composite hemp fiber felt above-mentioned steps prepared is placed in hot pressing die and preheats, and then a hot pressing obtains fire resistance and all excellent flaxen fiber composite panel of mechanical performance。
In described step A, the total content proportion of APP and EG is 0-10%；
In described step A, the content of PP powder is 10-30%；
4, the surface dusting flame retarding process of a kind of flaxen fiber composite according to claim 1, it is characterised in that:
In described step B, preheat temperature 175-180 DEG C, preheating time 4-6min, hot pressing die is vulcanizing press, and hot pressing temperature is 175-185 DEG C, and hot pressing pressure is 4-6Mpa, and hot pressing time is 4-6min。
The invention has the beneficial effects as follows: made hemp fibre board has excellent fire resistance and mechanical property, nontoxic, environmental protection, and preparation technology is simple, can be applicable to automotive trimming door plate plug-in unit or foreign material bucket etc.。
Accompanying drawing explanation
Fig. 1 is the surface dusting flame retarding process structural representation of the present invention。
Detailed description of the invention
Further describe the specific embodiment of the present invention below in conjunction with accompanying drawing illustrated embodiment, but the invention is not limited in implementation below。
Embodiment 1
A, surface dusting
Cutting quality is 38g, it is sized to the flaxen fiber composite material felt of 170*170mm, then weigh 2.375gEG powder and 9.5gPP powder respectively, PP powder is uniformly sprayed on composite fiber felt upper and lower surface, then EG is uniformly sprayed on composite fiber felt upper and lower surface。
B, hot-forming
Composite hemp fiber felt above-mentioned steps prepared is placed in hot pressing die and preheats, and then a hot pressing obtains fire resistance and all excellent flaxen fiber composite panel of mechanical performance。
The made each constituent content of flaxen fiber composite panel and performance are respectively in Table 1, table 2。
Embodiment 2
A, surface dusting
Cutting quality is 38g, it is sized to the flaxen fiber composite material felt of 170*170mm, then 1.425gEG powder, 0.95gAPP powder and 9.5gPP powder are weighed respectively, composite fiber felt upper and lower surface will be sprayed on after APP and PP powder Homogeneous phase mixing, then EG is uniformly sprayed on composite fiber felt upper and lower surface。
B, hot-forming
Composite hemp fiber felt above-mentioned steps prepared is placed in hot pressing die and preheats, and then a hot pressing obtains fire resistance and all excellent flaxen fiber composite panel of mechanical performance。
The made each constituent content of flaxen fiber composite panel and performance are respectively in Table 1, table 2。
Embodiment 3
A, surface dusting
Cutting quality is 38g, it is sized to the flaxen fiber composite material felt of 170*170mm, then 1.1875gEG powder, 1.1875gAPP powder and 9.5gPP powder are weighed respectively, composite fiber felt upper and lower surface will be sprayed on after APP and PP powder Homogeneous phase mixing, then EG is uniformly sprayed on composite fiber felt upper and lower surface。
B, hot-forming
Composite hemp fiber felt above-mentioned steps prepared is placed in hot pressing die and preheats, and then a hot pressing obtains fire resistance and all excellent flaxen fiber composite panel of mechanical performance。
The made each constituent content of flaxen fiber composite panel and performance are respectively in Table 1, table 2。
Embodiment 4
A, surface dusting
Cutting quality is 38g, it is sized to the flaxen fiber composite material felt of 170*170mm, then 0.95gEG powder, 1.425gAPP powder and 9.5gPP powder are weighed respectively, composite fiber felt upper and lower surface will be sprayed on after APP and PP powder Homogeneous phase mixing, then EG is uniformly sprayed on composite fiber felt upper and lower surface。
B, hot-forming
Composite hemp fiber felt above-mentioned steps prepared is placed in hot pressing die and preheats, and then a hot pressing obtains fire resistance and all excellent flaxen fiber composite panel of mechanical performance。
The made each constituent content of flaxen fiber composite panel and performance are respectively in Table 1, table 2。
Embodiment 5
A, prepare composite plate substrate
A, surface dusting
Cutting quality is 38g, is sized to the flaxen fiber composite material felt of 170*170mm, then weighs 2.375gAPP powder and 9.5gPP powder respectively, is sprayed on composite fiber felt upper and lower surface by after APP and PP powder Homogeneous phase mixing。
B, hot-forming
Composite hemp fiber felt above-mentioned steps prepared is placed in hot pressing die and preheats, and then a hot pressing obtains fire resistance and all excellent flaxen fiber composite panel of mechanical performance。
The made each constituent content of flaxen fiber composite panel and performance are respectively in Table 1, table 2。
Subordinate list 1: the surface dusting flame retarding process made flaxen fiber each weight percentages of components of composite
Subordinate list 2: the performance of the made flaxen fiber composite of surface dusting flame retarding process
The table 1 surface dusting flame retarding process made flaxen fiber each constituent content of composite
The performance of the made flaxen fiber composite of table 2 surface dusting flame retarding process
Can be seen that from the data of table 2; flaxen fiber composite panel hot strength and bending strength prepared by dusting flame retarding process in surface of the present invention are good; limited oxygen index has reached difficult combustion rank; horizontal firing experiment demonstrates this composite and can reach self-extinguishment level in atmosphere, has the advantages such as lightweight, environmental protection, safe as automotive interior material。
Claims (4)
1. the surface dusting flame retarding process of a flaxen fiber composite, it is characterised in that:
Matrix used for flaxen fiber composite material felt；The fire retardant adopted is ammonium polyphosphate APP and expansible graphite EG；Adopting auxiliary agent is polypropylene PP powder；Described dusting flame retarding process includes following preparation process:
A, surface dusting
A certain size flaxen fiber composite material felt of cutting, then weighs APP, EG and PP powder by a certain percentage, by APP and PP Homogeneous phase mixing, and is uniformly sprayed on fiber felt upper and lower surface, then EG is uniformly sprayed on fiber felt upper and lower surface；
B, hot-forming
Composite hemp fiber felt above-mentioned steps prepared is placed in hot pressing die and preheats, and then a hot pressing obtains fire resistance and all excellent flaxen fiber composite panel of mechanical performance。
2. the surface dusting flame retarding process of a kind of flaxen fiber composite according to claim 1, it is characterised in that:
In described step A, the total content proportion of APP and EG is 0-10%。
3. the surface dusting flame retarding process of a kind of flaxen fiber composite according to claim 1, it is characterised in that:
In described step A, the content of PP powder is 10-30%。
4. the surface dusting flame retarding process of a kind of flaxen fiber composite according to claim 1, it is characterised in that:
In described step B, preheat temperature 175-185 DEG C, preheating time 4-6min, hot pressing die is vulcanizing press, and hot pressing temperature is 175-185 DEG C, and hot pressing pressure is 4-6Mpa, and hot pressing time is 4-6min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132550.8A CN105694505A (en) | 2016-03-09 | 2016-03-09 | Surface powder spraying flame-retardant technology for fibrilia composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610132550.8A CN105694505A (en) | 2016-03-09 | 2016-03-09 | Surface powder spraying flame-retardant technology for fibrilia composite material |
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|---|---|
| CN105694505A true CN105694505A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610132550.8A Pending CN105694505A (en) | 2016-03-09 | 2016-03-09 | Surface powder spraying flame-retardant technology for fibrilia composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110628126A (en) * | 2018-06-22 | 2019-12-31 | 佛吉亚汽车内部设备工业公司 | Composition based on natural fibres and powdered polypropylene homopolymer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033958A (en) * | 1988-10-21 | 1989-07-19 | 刘俊泉 | The new manufacturing method of insulating laminated sheet |
| JP2003073963A (en) * | 2001-08-29 | 2003-03-12 | Tamagawa Seni Kogyosho:Kk | Flame-retardant felt prevented from developing through hole due to heat shrinkage |
| CN103481838A (en) * | 2013-09-30 | 2014-01-01 | 山东大学 | Automobile inner decorative board made of composite materials of natural fibers/thermoplastic resin, and mixing method of composite materials of natural fiber/thermoplastic resin |
-
2016
- 2016-03-09 CN CN201610132550.8A patent/CN105694505A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033958A (en) * | 1988-10-21 | 1989-07-19 | 刘俊泉 | The new manufacturing method of insulating laminated sheet |
| JP2003073963A (en) * | 2001-08-29 | 2003-03-12 | Tamagawa Seni Kogyosho:Kk | Flame-retardant felt prevented from developing through hole due to heat shrinkage |
| CN103481838A (en) * | 2013-09-30 | 2014-01-01 | 山东大学 | Automobile inner decorative board made of composite materials of natural fibers/thermoplastic resin, and mixing method of composite materials of natural fiber/thermoplastic resin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110628126A (en) * | 2018-06-22 | 2019-12-31 | 佛吉亚汽车内部设备工业公司 | Composition based on natural fibres and powdered polypropylene homopolymer |
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Application publication date: 20160622 |