CN106117786A - A kind of low VOC low-density glass fiber reinforced polypropylene composite material and application - Google Patents
A kind of low VOC low-density glass fiber reinforced polypropylene composite material and application Download PDFInfo
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Abstract
The invention discloses a kind of low VOC low-density glass fiber reinforced polypropylene composite material and application.Component including following parts by weight: polypropylene 35 75 parts, hollow glass micropearl 4.5 6 parts, glass fibre 15 45 parts, Pulvis Talci 05 parts, antioxidant 0.2 0.5 parts, ultraviolet-resistant aid 0.3 0.5 parts, compatilizer 24 parts, VOC inhibitor 34 parts, wherein said VOC inhibitor includes nano photo-catalytic, attapulgite, meerschaum and kieselguhr.The composite of the present invention without by outside ultraviolet source or equipment can efficiently, VOC in energy-saving and environmental protection ground catalytic degradation car；With the addition of the hollow glass micropearl of surface-coated compatilizer simultaneously, on the premise of not reducing composite material strength, good with the fiberglass reinforced PP compatibility, can effectively reduce density.This low VOC low-density glass fiber reinforced polypropylene composite material can be applied in automobile, household electrical appliances.
Description
Technical field
The invention belongs to polymeric material field, be specifically related to a kind of low VOC low-density glass fiber reinforced polypropylene composite wood
Material and application.
Background technology
Along with socioeconomic fast development, automobile is indispensable in the lives of the people.Due to modern every day long time
Between stay in automobile, therefore close association between automotive interior air quality and health.Affect in-car air quality
Factor mainly includes two aspects that one is the release of harmful gas in the interior jewelry of automobile itself；Two is the automobile decoration thing that car owner selects
The harmful gas of release.These two aspects is the most all the volatilization of harmful gas in automotive interior trim part, this harmful gas
Mainly volatile organic matter (volatile organic compounds), i.e. VOC is defined as boiling point at 50-by VOC, WHO
Volatile organic matter between 260 DEG C mainly includes formaldehyde, benzene,toluene,xylene, ethylbenzene, styrene etc..Due to empty in automobile
Between narrow and small airtight, in car VOC concentration be far above room air, health is existed potential significant threat.
PP composite material is commonly used for automobile plastic interior trim, needs have preferable heat resistance, flexural fatigue resistance
Energy, cheap price etc..Due to airtight space and sunlit relation in automobile bodies, polypropylene material is especially compound poly-
The volatile organic matter (VOC) that propylene material has in various degree discharges.Therefore, the research and development low VOC of environment-friendly type poly-third
Olefine resin and material can be expanded the application of PP and meet the requirement of green material.
Report currently, with respect to the research of low VOC polypropylene material is more, and they use chemical reaction, physical absorption mostly
And melt devolatilization technology improve VOC in original polypropylene material distribute problem.As.Patent CN101817953B with the addition of
Odor adsorption agent is prepared for a kind of low modified polypropylene composite material distributed, and odor adsorption agent includes: clay, bentonite, many
Hole silicon dioxide, activated alumina or molecular sieve.But, solve only what VOC produced by controlling raw material sources reduction VOC
One factor, it is impossible to solve VOC material newly generated in the course of processing.And absorption method, either physical absorption or chemistry are inhaled
Attached, all there is the selectivity of absorption and the problem of balance.Chinese patent CN105001525A is by adding by activated carbon, molecule
At least one in sieve, zeolite powder and nano inorganic powder (TiO2Or ZnO) adsorbent that is mixed with to reduce abnormal smells from the patient and
VOC, the former be mainly used in absorption, the latter is mainly used in absorption degradation VOC, but the nano inorganic powder of 20-80nm is easily reunited, its
The ability of absorption degradation is just had a greatly reduced quality, and does not adds any modification, needs competence exertion effect under ultraviolet excitation, therefore,
Effect is extremely limited.European patent EP 1988122A1 uses metallocene polypropylene resins to be the vapour that matrix resin prepares low VOC
Car interior material.Patent CN101255252B discloses a kind of low-emanation automobile inner fitting special-purpose material, by polypropylene 80-90
Part, superfine talcum powder 10-20 part, low molecule organic matter expellent 1.0-3.0 part, antioxidant 1.0-2.0 part forms.The lowest point
The organic expellent of son includes calcium bicarbonate, sodium bicarbonate, magnesium bicarbonate, water, the boiling point fatty alcohol less than 200 DEG C.Its preparation side
Method is successively to be blended low molecule organic matter expellent with polypropylene, superfine talcum powder to obtain three grades of vacuum of the extruded machine of premix material
Extruding pelletization obtains finished product.But, the organic expellent of low molecule that the method is used, wherein carbonate and analyte thereof with
There is the problem of the compatibility in acrylic resin, and water and boiling point are less than the fatty alcohol of 200 DEG C, owing to its boiling point is relatively low and and premix
Material adds extruder in main feeding, then there is the persistency with modified polypropylene material melt and homogeneity question.Above-mentioned
Bright certain factor only for generation VOC is improved, and can not solve to produce at raw material and production technology two aspect simultaneously
VOC problem.
Summary of the invention
Goal of the invention: in order to overcome defect present in prior art, it is an object of the invention to provide a kind of low VOC low close
Degree glass fiber reinforced polypropylene composite material, to alleviate this composite on the basis of improving PP composite material high strength degree and high-modulus
Density, simultaneously green, safely, effectively degrade VOC concentration in car, the application of this material is expanded research simultaneously.
Technical scheme: for achieving the above object, the present invention by the following technical solutions:
The present invention provides a kind of low VOC low-density glass fiber reinforced polypropylene composite material, including the group of following parts by weight
Point:
Polypropylene 35-75 part, hollow glass micropearl 4.5-6 part, glass fibre 15-45 part, Pulvis Talci 0-5 part, antioxidation
Agent 0.2-0.5 part, ultraviolet-resistant aid 0.3-0.5 part, compatilizer 2-4 part, VOC inhibitor 3-4 part, wherein said VOC inhibitor
Including nano photo-catalytic, attapulgite, meerschaum and kieselguhr.
As preferably, in described VOC inhibitor, nano photo-catalytic, attapulgite, meerschaum and diatomaceous mass ratio are
10-15:30-50:25-40:10-15, this VOC inhibitor utilizes attapulgite, meerschaum and the absorption of diatomaceous loose structure
Organic volatile gas, utilizes nano photo-catalytic catalytic degradation harmful gas to make its rapid oxidation be decomposed into stable and harmless thing
Matter, to reduce the purpose of VOC content in car.
As preferably, described nano photo-catalytic is visible light nano photocatalyst, and the particle diameter of described nano photo-catalytic is 10-
20nm.By common titanium dioxide nanoparticle being modified process so that using of this visible light nano photocatalyst
Spectral region is 400-750nm, this nano photo-catalytic uniform particle sizes, and dispersion is difficult to reunite, it is not necessary to by outside ultraviolet source or
Person's equipment gets final product VOC in efficient catalytic degraded car.
As preferably, described visible light nano photocatalyst is the titanium dioxide quantum dot of surface doping silver nanoclusters.Will tool
There is the silver nanoclusters compound grafting of plasma resonance effect at TiO2Surface, it is thus possible to achieve, the excitation wavelength of product is prolonged
Reach visible region.
As preferably, described VOC inhibitor also includes tourmaline and 4A molecular sieve.
As preferably, the particle diameter of described hollow glass micropearl is 1-3mm, and the surface-coated of described hollow glass micropearl is compatible
Agent.The particle diameter of this hollow glass micropearl and it is worn and torn in the course of processing at its surface-coated compatilizer with fiberglass reinforced PP
Less, and it can effectively reduce density as filler.
As preferably, described compatilizer is selected from anhydride and polyacrylic graft polymers, and wherein preferably maleic anhydride is grafted
Polypropylene PP-g-MAH, the percent grafting of described PP-g-MAH is 2.5-3.0wt%, melt index is 120-200g/10min.
As preferably, described glass fibre is long glass fibres, a length of the 5 of described long glass fibres～25mm.
As preferably, described antioxidant is selected from Hinered phenols, monothioester class, phosphite ester type thermal stabilizing agent at least
One, wherein said Hinered phenols is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester (antioxidant
1010), monothioester class is thio-2 acid 2 stearyl ester (antioxidant DSTP), and phosphorous acid esters are three (2,4-di-t-butyls
Phenyl) one or more in phosphite ester (irgasfos 168), wherein, antioxidant 1010 and irgasfos 168 are according to mass ratio 2:
When 1-1.2 compounds, this compound material antioxygenic property is preferable；Described ultraviolet-resistant aid is selected from hindered amine light stabilizer, as
CYASORB UV-3808PP5 or CYASORB UV-V680.
Invention further provides above-mentioned low VOC low-density glass fiber reinforced polypropylene composite material in automobile, household electrical appliances
Application.
Beneficial effect: compared with prior art, the invention have the advantages that
1, in the composite of the present invention, VOC inhibitor utilizes attapulgite, meerschaum and diatomaceous loose structure to inhale
With machine volatilization gas, use the titanium dioxide quantum dot of surface doping silver nanoclusters as nano photo-catalytic by photocatalyst effect
Exciting light extend to visible region, it is not necessary to can efficiently, be catalyzed to energy-saving and environmental protection by outside ultraviolet source or equipment
VOC in degraded car, this VOC inhibitor solves the equilibrium problem between physical absorption and chemical degradation, the most effective and nothing two
Secondary pollution；
2, the present invention with the addition of the hollow glass micropearl of surface-coated compatilizer, in the premise not reducing composite material strength
Under so that it is less with fiberglass reinforced PP abrasion in the course of processing, and it can effectively reduce density as filler.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further explained.
Embodiment 1
Present embodiments provide a kind of low VOC low-density glass fiber reinforced polypropylene composite material, this composite include as
The component of lower parts by weight:
Polypropylene 65 parts, hollow glass micropearl 4.5 parts, wherein the particle diameter of hollow glass micropearl is 1-3mm, this hollow glass
Bead surface repeatedly immersion coating PP-g-MAH (percent grafting be 2.5-3.0wt%, melt index be 120-200g/10min) 2
Part, 5-25mm long glass fibres 21.5 parts, Pulvis Talci 3.5 parts, antioxidant 1010 0.2 part, ultraviolet-resistant aid CYASORB UV-
V680 0.3 part, VOC inhibitor 3 parts, wherein this VOC inhibitor includes the titanium dioxide of 10-20nm surface doping silver nanoclusters
Quantum dot, attapulgite, meerschaum, kieselguhr and tourmaline, wherein nano photo-catalytic, attapulgite, meerschaum, kieselguhr and
The mass ratio of tourmaline is 12:45:30:12:1.
Above-mentioned raw materials ball milling is dried, by the above-mentioned raw materials in addition to VOC inhibitor and dipping hollow glass micropearl from double
The main spout of extruser adds, and carries out melt blending, then adds VOC inhibitor at side spout and impregnate hollow
Glass microballoon, with other raw materials melt be blended, extruded machine vacuum extruding pelletize, cool down, be dried, obtain described product.
Embodiment 2
A kind of low VOC low-density glass fiber reinforced polypropylene composite material, this composite includes the group of following parts by weight
Point:
Polypropylene 35 parts, hollow glass micropearl 6 parts, wherein the particle diameter of hollow glass micropearl is 1-3mm, and this hollow glass is micro-
Bead surface repeatedly immersion coating PP-g-MAH (percent grafting be 2.5-3.0wt%, melt index be 120-200g/10min) 4 parts,
5-25mm long glass fibres 45 parts, Pulvis Talci 5 parts, antioxidant 0.5 part, this antioxidant is by antioxidant 1010 and antioxidant
168 compounding form according to mass ratio 2:1, ultraviolet-resistant aid CYASORB UV-3808PP5 0.3 part, VOC inhibitor 3 parts, wherein
This VOC inhibitor includes titanium dioxide quantum dot, attapulgite, meerschaum and the diatom of 10-20nm surface doping silver nanoclusters
Soil, tourmaline and 4A molecular sieve, wherein nano photo-catalytic, attapulgite, meerschaum, kieselguhr, tourmaline and 4A molecular sieve
Mass ratio is 10:50:25:10:3:2.
Above-mentioned raw materials produces according to the processing method of embodiment 1, obtains product.
Embodiment 3
A kind of low VOC low-density glass fiber reinforced polypropylene composite material, this composite includes the group of following parts by weight
Point:
Polypropylene 75 parts, hollow glass micropearl 4.5 parts, wherein the particle diameter of hollow glass micropearl is 1-3mm, this hollow glass
Bead surface repeatedly immersion coating PP-g-MAH (percent grafting be 2.5-3.0wt%, melt index be 120-200g/10min) 2
Part, 5-25mm long glass fibres 15 parts, irgasfos 168 0.2 part, ultraviolet-resistant aid CYASORB UV-V6800.5 part, VOC press down
4 parts of preparation, wherein this VOC inhibitor include the titanium dioxide quantum dot of 10-20nm surface doping silver nanoclusters, attapulgite,
Meerschaum, kieselguhr, wherein nano photo-catalytic, attapulgite, meerschaum, diatomaceous mass ratio are 15:30:40:15.
Above-mentioned raw materials produces according to the processing method of embodiment 1, obtains product.
Embodiment 4
A kind of low VOC low-density glass fiber reinforced polypropylene composite material, this composite includes the group of following parts by weight
Point:
Polypropylene 50 parts, hollow glass micropearl 5 parts, wherein the particle diameter of hollow glass micropearl is 1-3mm, and this hollow glass is micro-
Bead surface repeatedly immersion coating PP-g-MAH (percent grafting be 2.5-3.0wt%, melt index be 120-200g/10min) 3 parts,
5-25mm long glass fibres 35 parts, Pulvis Talci 3 parts, antioxidant 0.4 part, this antioxidant is by antioxidant 1010 and antioxidant
168 compounding form according to mass ratio 2:1.2, ultraviolet-resistant aid CYASORB UV-V6800.4 part, VOC inhibitor 3.2 parts, wherein
This VOC inhibitor includes the titanium dioxide quantum dot of 10-20nm surface doping silver nanoclusters, attapulgite, meerschaum, diatom
Soil, wherein nano photo-catalytic, attapulgite, meerschaum, diatomaceous mass ratio are 13:42:35:10.
Above-mentioned raw materials produces according to the processing method of embodiment 1, obtains product.
Embodiment 5
A kind of low VOC low-density glass fiber reinforced polypropylene composite material, this composite includes the group of following parts by weight
Point:
Polypropylene 42 parts, hollow glass micropearl 5.5 parts, wherein the particle diameter of hollow glass micropearl is 1-3mm, this hollow glass
Bead surface repeatedly immersion coating PP-g-MAH (percent grafting be 2.5-3.0wt%, melt index be 120-200g/10min) 4
Part, 5-25mm long glass fibres 42.2 parts, Pulvis Talci 2 parts, antioxidant 0.4 part, this antioxidant is by antioxidant 1010 and resists
Oxygen agent 168 compounding forms according to mass ratio 2:1.2, ultraviolet-resistant aid CYASORB UV-V6800.4 part, VOC inhibitor 3.5 parts,
Wherein this VOC inhibitor includes the titanium dioxide quantum dot of 10-20nm surface doping silver nanoclusters, attapulgite, meerschaum, silicon
Diatomaceous earth, wherein nano photo-catalytic, attapulgite, meerschaum, diatomaceous mass ratio are 15:30:40:15.
Above-mentioned raw materials produces according to the processing method of embodiment 1, obtains product.
Embodiment 6
Product obtained by embodiment 1-5 is carried out injection mo(u)lding and prepares test bars, wherein:
(1) hot strength: test by ISO527, speed 50mm/min；
(2) Izod notched impact strength: ISO180 tests；
(3) bending modulus: testing by ISO178, speed is 2mm/min；
(4) bending strength: test by ISO178；
(5) elongation at break: test by ISO 527-2；
(6) low temperature notched impact strength (-40 DEG C, 24h): ISO180or ISO 179or GB/T 1843；
(7) melt flow rate (MFR) MFR: test according to ISO 1133-1-2012；
(8) total organic compound emission (TVOC) measure according to German automobiles industrial combination can standard VDA277 test into
Row measures, and the performance test results is shown in Table 1.
The results of property of test bars prepared by the product injection mo(u)lding that table 1 is prepared by embodiment 1-5
As it can be seen from table 1 add after VOC inhibitor, the TVOC in material is well below limit value to TVOC in industry
After requirement, and porous material absorption organic volatile gas, visible ray photocatalyst (the Vis light at once added in VOC inhibitor
Catalyst), do not deposit the problem that in porous material under the high temperature conditions, organic volatile gas desorption again causes secondary pollution.
Meanwhile, material adds hollow glass microbead, in conjunction with the potentiation of long glass fibres so that material is keeping height
Loss of weight significantly on the basis of performance and high-modulus.On hollow glass microbead, the compatilizer of immersion coating also solves reprocessing process
The problem that PP, long glass fibres and the glass microballoon compatibility are bad.
Above description is for implementing some optimal modes of the present invention and other embodiments, the simply skill to the present invention
Art design play description example effect, can not limit the scope of the invention with this, those skilled in the art without departing from
In the spirit and scope of technical solution of the present invention, modify and equivalent, all should fall within the scope and spirit of the invention.
Claims (10)
1. one kind low VOC low-density glass fiber reinforced polypropylene composite material, it is characterised in that: described composite includes following weight
The component of amount number:
Polypropylene 35-75 part, hollow glass micropearl 4.5-6 part, glass fibre 15-45 part, Pulvis Talci 0-5 part, antioxidant
0.2-0.5 part, ultraviolet-resistant aid 0.3-0.5 part, compatilizer 2-4 part, VOC inhibitor 3-4 part, wherein said VOC inhibitor bag
Include nano photo-catalytic, attapulgite, meerschaum and kieselguhr.
Low VOC low-density glass fiber reinforced polypropylene composite material the most according to claim 1, it is characterised in that: described VOC
In inhibitor, nano photo-catalytic, attapulgite, meerschaum and diatomaceous mass ratio are 10-15:30-50:25-40:10-15.
Low VOC low-density glass fiber reinforced polypropylene composite material the most according to claim 1, it is characterised in that receive described in:
Rice photocatalyst is visible light nano photocatalyst, and the particle diameter of described nano photo-catalytic is 10-20nm.
Low VOC low-density glass fiber reinforced polypropylene composite material the most according to claim 1, it is characterised in that: described can
See the titanium dioxide quantum dot that light nano photo-catalytic is surface doping silver nanoclusters.
Low VOC low-density glass fiber reinforced polypropylene composite material the most according to claim 1, it is characterised in that: described VOC
Inhibitor also includes tourmaline and 4A molecular sieve.
Low VOC low-density glass fiber reinforced polypropylene composite material the most according to claim 1, it is characterised in that: described sky
The particle diameter of heart glass microballoon is 1-3mm, the surface-coated compatilizer of described hollow glass micropearl.
Low VOC low-density glass fiber reinforced polypropylene composite material the most according to claim 1, it is characterised in that: described phase
Hold agent and be selected from anhydride and polyacrylic graft polymers, wherein preferred maleic anhydride inoculated polypropylene PP-g-MAH, described PP-g-
The percent grafting of MAH is 2.5-3.0wt%, melt index is 120-200g/10min.
Low VOC low-density glass fiber reinforced polypropylene composite material the most according to claim 1, it is characterised in that: described glass
Glass fiber is long glass fibres, a length of the 5 of described long glass fibres～25mm.
Low VOC low-density glass fiber reinforced polypropylene composite material the most according to claim 1, it is characterised in that: described anti-
At least one in Hinered phenols, monothioester class, phosphite ester type thermal stabilizing agent of oxidant, wherein said Hinered phenols is
Four [β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid] pentaerythritol ester, monothioester class is thio-2 acid 2 stearyl ester,
Phosphorous acid esters are one or more in tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester；Described ultraviolet-resistant aid is selected from being obstructed
Amine light stabilizer.
10. one kind according to the low VOC low-density glass fiber reinforced polypropylene composite material described in any one of claim 1-9 at vapour
Application in car, household electrical appliances.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791016A (en) * | 2019-10-28 | 2020-02-14 | 北京汽车集团越野车有限公司 | Preparation method of vehicle bottom guard plate, vehicle bottom guard plate and vehicle |
| CN113980385A (en) * | 2021-10-28 | 2022-01-28 | 金发科技股份有限公司 | Matte and scratch-resistant polypropylene composition and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105001525A (en) * | 2015-07-29 | 2015-10-28 | 博富科技股份有限公司 | Low-VOC low-odor environmental-friendly flame-resistant glass fiber reinforced PP composite material and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105001525A (en) * | 2015-07-29 | 2015-10-28 | 博富科技股份有限公司 | Low-VOC low-odor environmental-friendly flame-resistant glass fiber reinforced PP composite material and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110791016A (en) * | 2019-10-28 | 2020-02-14 | 北京汽车集团越野车有限公司 | Preparation method of vehicle bottom guard plate, vehicle bottom guard plate and vehicle |
| CN113980385A (en) * | 2021-10-28 | 2022-01-28 | 金发科技股份有限公司 | Matte and scratch-resistant polypropylene composition and preparation method and application thereof |
| CN113980385B (en) * | 2021-10-28 | 2023-02-17 | 金发科技股份有限公司 | Matte and scratch-resistant polypropylene composition and preparation method and application thereof |
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Application publication date: 20161116 |