CN107189215A - A kind of flame-retardant wood-plastic and preparation method thereof - Google Patents
A kind of flame-retardant wood-plastic and preparation method thereof Download PDFInfo
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- CN107189215A CN107189215A CN201710516464.1A CN201710516464A CN107189215A CN 107189215 A CN107189215 A CN 107189215A CN 201710516464 A CN201710516464 A CN 201710516464A CN 107189215 A CN107189215 A CN 107189215A
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of flame-retardant wood-plastic, it is characterised in that the flame-retardant wood-plastic component is constituted by weight is:90 110 parts of polypropylene (PP), 50 70 parts of wood powder, 33 36 parts of expansion type flame retardant, 56 parts of synergist, 48 parts of compatilizer, 8 11 parts of coupling agent, CaCO310 15 parts, 8 12 parts of lubricant, 35 parts of plasticizer, 67 parts of toughener.Wood moulding of the present invention is aided with various auxiliary agents using wood powder, polypropylene, expansion type flame retardant as primary raw material, and the composite obtained by preparation has preferable fire retardation, and excellent in mechanical performance can be widely applied to interior decoration.
Description
Technical field
The present invention relates to co-extrusion wood plastic composite production field, it is related to the production technology field of fire proofing, specifically
Say it is a kind of anti-flammability wood plastic composite and preparation method thereof.
Background technology
Wood plastic composite is the material that a class covers that wide, product category is more, morphosis is various, with excellent resistance to
Water and decay resistance and the advantages of can be recycled.It greatly embodies China's development " recycling economy " and builds " section
The theory of about type society ", greatly develops this ep-type material, both beneficial to protecting forest resources and petroleum resources, can be again
The large-scale comprehensive of waste or used plastics and abandoned biomass resource utilizes and opens up new road.Wood plastic composite is mainly used in knot
The relatively low field of structure performance requirement, such as pallet, packing case, automotive trim base material, bed board, landscape garden industry, account for wood moulding
The 75% of compound articles for use total amount.All it is combustible material yet with natural fiber and various polymer, therefore composite is very
Easily burning, is unable to self-extinguishment after catching fire, belongs to inflammable class material, this makes it be restricted in application process, therefore wood moulding
Composite needs to carry out flame retardant treatment when in use.
Expansion type flame retardant is the new type compound fire retardant that recent domestic is widely paid close attention to, and it is based on nitrogen, phosphorus, carbon
Composition is wanted, without halogen, antimony oxide is not used yet for synergist, its system itself has synergy, meets following fire retardant
Research and development direction.Material containing expansion type flame retardant can generate carbonaceous froth bed in burning, play heat-insulated, oxygen barrier, suppression
Cigarette, it is antidrip the effects such as, with excellent fire resistance.
The content of the invention
It is an object of the invention to provide a kind of flame-retardant wood-plastic and preparation method thereof, the wood moulding is with wood powder and hybrid resin, swollen
Swollen type fire retardant is primary raw material, is aided with various auxiliary agents, the composite obtained by preparation has preferable fire retardation, mechanical property
Can be superior, it can be widely applied to interior decoration.
The present invention solves technical problem and adopted the following technical scheme that:
A kind of flame-retardant wood-plastic and preparation method thereof, it is characterised in that the flame-retardant wood-plastic component is constituted by weight is:It is poly-
90-110 parts of propylene (PP), 50-70 parts of wood powder, 33-36 parts of expansion type flame retardant, 5-6 parts of synergist, 4-8 parts of compatilizer, coupling
8-11 parts of agent, CaCO310-15 parts, 8-12 parts of lubricant, 3-5 parts of plasticizer, 6-7 parts of toughener.
Further, the resin is that PP is 90-110 parts
Further, PP resin meltings index is 3g/10min.
Further, the wood powder is that fineness is 150 mesh, is 50-70 parts.
Further, the expansion type flame retardant is APP (APP) and pentaerythrite (PER) with 2:1 mixture, be
33-36 parts
Further, the synergist is MgO, expansible graphite (EG), SiO2Mixture, is 5-6 parts
Further, (MgO), m (EG), m (SiO2) between proportioning be 1: 4: 3-1:6:5
Further, the compatilizer is that maleic acid matches somebody with somebody graft polypropylene (PP-g-MAH/St)
Further, the maleic acid matches somebody with somebody grafted polypropylene graft rate 2.5%
Further, the coupling agent is silane coupler or the one or more mixtures of aluminate coupling agent.
Further, the lubricant is Tissuemat E, zinc stearate with 3:2 ratio is obtained by mixing.
Further, the plasticizer is cedar wood oil.
Further, the toughener is dendroid haloflex.
A kind of flame-retardant wood-plastic preparation method, is carried out as follows:
1) by wood powder, CaCO3, resin, expansion type flame retardant, synergist, lubricant, compatilizer, coupling agent, plasticizer,
Toughener, is sequentially added in mixer and stirs in order, and a component is added at intervals of two minutes, and mixer whole process stirring does not stop,
All add and continued to stir 10 minutes after material;105 DEG C of mixing temperature, mixing speed is 750rpm;
2) material after above-mentioned stirring is placed into 6-8h under confined conditions, places 30-50 DEG C of temperature.
3) it will require that the premix 2) obtained is put into screw extruder, extrusion obtains flame-retardant wood-plastic composite material.Cone
The screw speed of shape double screw extruder is 30r/min, and barrel temperature is 170 DEG C, and die temperature is 160-180 DEG C.
Compared with the prior art, the present invention has the beneficial effect that:
Wood plastic composite of the present invention, by adding synergist, increases the fire retardation of material.
The present invention is aided with various auxiliary agents using wood powder and hybrid resin, expansion type flame retardant as primary raw material, obtained by preparation
Composite has preferable fire retardation, and excellent in mechanical performance can be widely applied to interior decoration.
Embodiment
Properties of product are detected:1) physical property and mechanical property, are detected by GB/T 17657-1999.2) fire protecting performance:Oxygen
Index method, tests with reference to GB/T2406.1-2008 and GB/T2406.1-2009 correlation technique.Prepared by this method
Wood plastic composite, its excellent physical properties are fire-retardant efficient, asepsis environment-protecting.Fire retardant performance reaches GB 8624-2006《Build
Build material and product burns grading performance》Specified in fire-retardant C grades or B grade of requirement, physical and mechanical property reaches GB11718-
2009 regulations are required.
Embodiment 1:
Raw material:
60 parts of wood powder, CaCO310 parts, 100 parts of resin, 33 parts of expansion type flame retardant, 5 parts of synergist, 8 parts of lubricant, phase
Hold 4.8 parts of agent, 8 parts of coupling agent, 4 parts of plasticizer, 6 parts of toughener
Wherein, the resin is that PP resin melting indexes are 3g/10min;The wood powder is that fineness is 150 mesh,;It is described swollen
Swollen type fire retardant is APP (APP) and pentaerythrite (PER) with 2:1 mixture;;The synergist is MgO:Inflatable stone
Ink:SiO2=1:5:5;The compatilizer is that maleic acid matches somebody with somebody graft polypropylene (PP-g-MAH/St), grafting rate 2.5%;The idol
It is silane coupler or the one or more mixtures of aluminate coupling agent to join agent;;The lubricant is Tissuemat E, zinc stearate
With 3:2 ratio mixing;The plasticizer is cedar wood oil;The toughener is dendroid haloflex.
Preparation method:
1) by wood powder, CaCO3, resin, expansion type flame retardant, synergist, lubricant, compatilizer, coupling agent, plasticizer,
Toughener, is sequentially added in mixer and stirs in order, and a component is added at intervals of two minutes, and mixer whole process stirring does not stop,
All add and continued to stir 10 minutes after material;105 DEG C of mixing temperature, mixing speed is 750rpm;
2) material after above-mentioned stirring is placed into 6h under confined conditions, places 40 DEG C of temperature.
3) it will require that the premix 2) obtained is put into screw extruder, extrusion obtains flame-retardant wood-plastic composite material.Cone
The screw speed of shape double screw extruder is 30r/min, and barrel temperature is 170 DEG C, and die temperature is 160 DEG C.
Embodiment 2:
Raw material:
50 parts of wood powder, CaCO313 parts, 90 parts of resin, 35 parts of expansion type flame retardant, 5.5 parts of synergist, 10 parts of lubricant,
7 parts of compatilizer, 10 parts of coupling agent, 3 parts of plasticizer, 6.5 parts of toughener.
Wherein, the resin is that PP resin melting indexes are 3g/10min;The wood powder is that fineness is 150 mesh,;It is described swollen
Swollen type fire retardant is APP (APP) and pentaerythrite (PER) with 2:1 mixture;;The synergist is MgO:Inflatable stone
Ink:SiO2=1:4:3;The compatilizer is that maleic acid matches somebody with somebody graft polypropylene (PP-g-MAH/St), grafting rate 2.5%;The idol
It is silane coupler or the one or more mixtures of aluminate coupling agent to join agent;The lubricant is Tissuemat E and zinc stearate
With 3:2 ratio mixing;The plasticizer is cedar wood oil;The toughener is dendroid haloflex.
Preparation method:
1) by wood powder, CaCO3, resin, expansion type flame retardant, synergist, lubricant, compatilizer, coupling agent, plasticizer,
Toughener, is sequentially added in mixer and stirs in order, and a component is added at intervals of two minutes, and mixer whole process stirring does not stop,
All add and continued to stir 10 minutes after material;105 DEG C of mixing temperature, mixing speed is 750rpm;
2) material after above-mentioned stirring is placed into 7h under confined conditions, places 30 DEG C of temperature.
3) it will require that the premix 2) obtained is put into screw extruder, extrusion obtains flame-retardant wood-plastic composite material.Cone
The screw speed of shape double screw extruder is 30r/min, and barrel temperature is 170 DEG C, and die temperature is 170 DEG C.
Embodiment 3:
Raw material:
70 parts of wood powder, CaCO315 parts, 110 parts of resin, 36 parts of expansion type flame retardant, 6 parts of synergist, 10 parts of lubricant, phase
Hold 7 parts of agent, 10 parts of coupling agent, 3 parts of plasticizer, 7 parts of toughener.
Wherein, the resin is that PP resin melting indexes are 3g/10min;The wood powder is that fineness is 150 mesh,;It is described swollen
Swollen type fire retardant is APP (APP) and pentaerythrite (PER) with 2:1 mixture;;The synergist is MgO:Inflatable stone
Ink:SiO2=1:6:5;The compatilizer is that maleic acid matches somebody with somebody graft polypropylene (PP-g-MAH/St), grafting rate 2.5%;The idol
It is silane coupler or the one or more mixtures of aluminate coupling agent to join agent;The lubricant is Tissuemat E and zinc stearate
With 3:2 ratio mixing;The plasticizer is cedar wood oil;The toughener is dendroid haloflex.
Preparation method:
1) by wood powder, CaCO3, resin, expansion type flame retardant, synergist, lubricant, compatilizer, coupling agent, plasticizer,
Toughener, is sequentially added in mixer and stirs in order, and a component is added at intervals of two minutes, and mixer whole process stirring does not stop,
All add and continued to stir 10 minutes after material;105 DEG C of mixing temperature, mixing speed is 750rpm;
2) material after above-mentioned stirring is placed into 8h under confined conditions, places temperature 50 C.
3) it will require that the premix 2) obtained is put into screw extruder, extrusion obtains flame-retardant wood-plastic composite material.Cone
The screw speed of shape double screw extruder is 30r/min, and barrel temperature is 170 DEG C, and die temperature is 180 DEG C.
The performance test results are as shown in the table:
Sample prepared by above-described embodiment 1,2,3 is tailored into the platelet of standard, then using oxygen index measurer HC-2
Oxygen index (OI) is carried out to flame-retardant wood-plastic material respectively with horizontal vertical burning analyzer CZF-3 and combustibility is determined, oxygen index (OI)
36%-60%, horizontal vertical combustibility is without catching fire, and cigarette is light, and flame retardant effect is good.
Sample prepared by above-described embodiment 1,2,3 tailors growth 110mm, width 10mm, thickness 2.5mm standard platelet, so
Afterwards using tester for elongation, impact specimen machine, tensile figure, Impact Index, draw speed is 2mm/min.
Table 1
Fire retardant performance reaches GB 8624-2006《Construction material and product burns grading performance》Specified in fire-retardant C
Level or B grades of requirements, physical and mechanical property reach the requirement of GB11718-2009 regulations.
In above example, unless otherwise noted, its component is prior art products purchased in market.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (7)
1. a kind of flame-retardant wood-plastic, it is characterised in that the flame-retardant wood-plastic component is constituted by weight is:Polypropylene (PP) 90-110
Part, 50-70 parts of wood powder, 33-36 parts of expansion type flame retardant, 5-6 parts of synergist, 4-8 parts of compatilizer, 8-11 parts of coupling agent,
CaCO310-15 parts, 8-12 parts of lubricant, 3-5 parts of plasticizer, 6-7 parts of toughener.
2. a kind of flame-retardant wood-plastic according to claim 1, it is characterised in that the resin is that PP is 90-110 parts.
3. a kind of flame-retardant wood-plastic according to claim 1, it is characterised in that the PP resin meltings index is 3g/
10min。
4. a kind of flame-retardant wood-plastic according to claim 1, it is characterised in that the expansion type flame retardant is APP
And pentaerythrite (PER) is with 2 (APP):1 mixture.
5. a kind of flame-retardant wood-plastic according to claim 1, it is characterised in that the synergist is MgO, expansible graphite
(EG), SiO2Mixture.
6. a kind of flame-retardant wood-plastic according to claim 1, it is characterised in that the lubricant is Tissuemat E, firmly
Resin acid zinc is with 3:2 ratio is obtained by mixing.
7. a kind of flame-retardant wood-plastic preparation method, it is characterised in that carry out as follows:
1) by wood powder, CaCO3, resin, expansion type flame retardant, synergist, lubricant, compatilizer, coupling agent, plasticizer, toughness reinforcing
Agent, sequentially adds in mixer and stirs in order, a component is added at intervals of two minutes, mixer whole process stirring does not stop, in whole
Add and continued to stir 10 minutes after material;105 DEG C of mixing temperature, mixing speed is 750rpm;
2) material after above-mentioned stirring is placed into 6-8h under confined conditions, places 30-50 DEG C of temperature.
3) it will require that the premix 2) obtained is put into screw extruder, extrusion obtains flame-retardant wood-plastic composite material.Taper is double
The screw speed of screw extruder is 30r/min, and barrel temperature is 170 DEG C, and die temperature is 160-180 DEG C.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107488357A (en) * | 2017-09-26 | 2017-12-19 | 苏州卫刚木包装制品有限公司 | A kind of high resiliency flame-retardant wood-plastic packaging material and preparation method thereof |
CN108384267A (en) * | 2018-03-23 | 2018-08-10 | 金陵科技学院 | A kind of Polypropylene wood-plastic composite material and preparation method thereof |
CN108948762A (en) * | 2018-04-25 | 2018-12-07 | 曾冬梅 | A kind of polypropylene fire retardant wood-plastic composite panel and preparation method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102181166A (en) * | 2011-04-14 | 2011-09-14 | 浙江工商大学 | High-efficiency flame retardant wood plastics composite and preparation method thereof |
CN106084851A (en) * | 2016-07-29 | 2016-11-09 | 安徽国风木塑科技有限公司 | A kind of Wood plastic wall board and preparation method thereof |
-
2017
- 2017-06-29 CN CN201710516464.1A patent/CN107189215A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102181166A (en) * | 2011-04-14 | 2011-09-14 | 浙江工商大学 | High-efficiency flame retardant wood plastics composite and preparation method thereof |
CN106084851A (en) * | 2016-07-29 | 2016-11-09 | 安徽国风木塑科技有限公司 | A kind of Wood plastic wall board and preparation method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107488357A (en) * | 2017-09-26 | 2017-12-19 | 苏州卫刚木包装制品有限公司 | A kind of high resiliency flame-retardant wood-plastic packaging material and preparation method thereof |
CN108384267A (en) * | 2018-03-23 | 2018-08-10 | 金陵科技学院 | A kind of Polypropylene wood-plastic composite material and preparation method thereof |
CN108948762A (en) * | 2018-04-25 | 2018-12-07 | 曾冬梅 | A kind of polypropylene fire retardant wood-plastic composite panel and preparation method |
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