CN108276671A - A kind of low VOC PP composite materials and preparation method thereof - Google Patents
A kind of low VOC PP composite materials and preparation method thereof Download PDFInfo
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- CN108276671A CN108276671A CN201810060836.9A CN201810060836A CN108276671A CN 108276671 A CN108276671 A CN 108276671A CN 201810060836 A CN201810060836 A CN 201810060836A CN 108276671 A CN108276671 A CN 108276671A
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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
- 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
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses low VOC PP composite materials and preparation method thereof, a kind of low VOC PP composite materials, including polypropylene, VOC removers and additive, the mass percent of each component are as follows：Polypropylene, 65~95%, VOC removers, the 5~10%, first additive, 0~37%, Second addition, 0~5%；Wherein, the VOC removers are mixture, the mixture includes steam stripping agent, aerosil and styrene block copolymer, and low VOC PP composite materials of the present invention utilize the complex role of steam stripping agent and aerosil, reduce VOC amounts in PP composite material.The preparation method of the low VOC PP composite materials solves in VOC removers steam stripping agent and is added because of the relatively low defect for leading to premature volatilization of steam stripping agent boiling point in main spout, improves the VOC removal efficiency of the VOC removers.
Description
Technical field
The present invention relates to a kind of PP composite material, more particularly to a kind of low VOC PP composite materials and its preparation
Method.
Background technology
PP composite material is that present automobile interior exterior adorns widely used material, is most fast general of current growth rate
Thermoplastic material.During use, when PP composite material is in the higher environment of temperature, poly- third is remained in
Volatile organic matter (VOC) in alkene composite material can come out, and pollute environment.VOC substances include mainly hydro carbons, benzene
Class, aldehydes etc. are mainly derived from monomer remaining when the resins synthesis such as polypropylene, elastomer, antioxidant, light stabilizer, lubrication
It degrades in the additives such as agent, toner and modified polypropylene material process the small molecule etc. of generation, therefore, in order to reduce poly- third
VOC content in alkene composite material needs to be controlled in terms of raw material and processing technology.
Currently, the method for reducing VOC in polypropylene material both at home and abroad mainly has following three kinds：
1, adsorbent is added.This method mainly in polypropylene add activated carbon, porous silica, activated alumina,
The physical absorbents such as clay, bentonite, porous molecular screen, and squeezed out and made under certain process conditions by screw extruder
Grain.But there is adsorption equilibrium in product made from this method, balance moved to the direction of desorption at a higher temperature
It is dynamic, the volatilization problems of volatilizable organic matter are caused, there are still the hidden danger that the VOC later stages discharge again in polypropylene material.
2, photochemical catalyst is added.Such as contained to reduce VOC to decompose organic molecule by a kind of inorganic photochemical catalyst of addition
Amount, but there are problems that photocatalysis efficiency, and also its effect is limited.
3, devolatilization.It is main that devolatilization is carried out in polymerization process and process using the devolatilization equipment and technique of profession.Its
In devolatilization in the course of the polymerization process, efficiency is higher, but due to the limitation of its production technology and equipments, cost is higher, is not easy to answer extensively
With；Devolatilization mainly carries out melt devolatilization using degassing extruder in process.Such as by adding expellent such as sodium bicarbonate, carbon
Sour hydrogen magnesium, calcium bicarbonate, water, low boiling point fatty alcohol etc., to reduce the VOC volatile quantities of material.But the expellent of this method addition
It is more difficult to be stably dispersed in PP melts；And three-level vacuumizes and makes expellent there are the reduction of the effective time of system, devolatilization efficiency is not
It is high；In addition, by from the same charge door blanking of extruder, causing expellent in feeding section after being mixed together with unclassified stores or
Solid conveying section heats volatilization in advance, drives away effect to further cut down its VOC.
Invention content
The present invention provides a kind of low VOC PP composite materials and preparation method thereof, utilize steam stripping agent and gas phase dioxy
The complex role of SiClx can quickly and effectively reduce the VOC amounts of PP composite material generation, well solve the prior art
The problem of.
In order to solve the above-mentioned technical problem, the technical scheme is that：
A kind of low VOC PP composite materials, including polypropylene, VOC removers and additive, the quality percentage of each component
Than as follows：
Wherein, the VOC removers are mixture, and the mixture includes steam stripping agent, aerosil and styrene
Based block copolymer.
Preferably, in the VOC removers, each component mass percent is as follows：
Steam stripping agent 5~10%
Aerosil 5~15%
Styrene block copolymer 75~90%；
Each component is weighed according to above-mentioned formula to be put into blender, the speed controlled at 30~40 DEG C, stirring is 100
~300r/min at the uniform velocity stirs 20~30min, obtains the VOC removers.
Preferably, the steam stripping agent is selected from water, ethyl alcohol, methanol, propyl alcohol, butanol, amylalcohol, hexamethyldisilane, pregnancy
At least one of base disiloxane, triethylsilane, triethyl silanol, octamethylcy-clotetrasiloxane, octamethyltrisiloxane.
Preferably, the average grain diameter of the aerosil is 3~10 μm, porosity is more than 90%.
Preferably, the styrene block copolymer is selected from Styrene-Butadiene-Styrene Block Copolymer
(SBS), styrene-isoprene-styrene block copolymer (SIS) or styrene-ethylene-butylene-styrene block copolymerization
At least one of object (SEBS).
Preferably, first additive includes elastomer, the elastomer is selected from ethylene-octene copolymer and ternary
At least one of EP rubbers.
Preferably, the mass percent of the elastomer is 0~15%.
Preferably, first additive includes inorganic mineral powder, the inorganic mineral powder is in talcum powder and calcium carbonate
At least one, the average grain diameter of the inorganic mineral powder is 1~20 μm, the talcum powder that preferable particle size is 5 μm.
Preferably, the mass percent of the inorganic mineral powder is 0~20%.
Preferably, first additive includes antioxidant, the antioxidant includes that primary antioxidant and auxiliary are anti-
Oxygen agent, wherein the primary antioxidant is selected from least one of Hinered phenols antioxidant and sulphur ester antioxidant, the auxiliary is anti-
Oxygen agent is selected from least one of phosphite kind antioxidant and phosphite ester kind antioxidant.
Preferably, the mass percent of the antioxidant is 0~2%.
Preferably, the Second addition includes in lubricant, antistatic agent, light stabilizer, dispersant and pigment
It is at least one.
Compared with prior art, the present invention has the following advantages：Low VOC PP composite materials of the present invention utilize vapour
The complex role of agent and aerosil is carried, the aerosil of surface texture containing there are two types of, on the one hand in VOC removers
In serve as the adsorbent of absorption steam stripping agent, more steam stripping agents can be absorbed, on the other hand release absorption in melting process
The VOC of generation can be effectively adsorbed after steam stripping agent again.Meanwhile utilizing the active group silicone hydroxyl functional group on its surface and aldoketones
Micromolecular compound forms interaction of hydrogen bond, effectively adsorbs aldoketones micromolecular compound, inhibits aldoketones pollution, reduces poly-
VOC amounts in acrylic composite.
The present invention also provides the preparation methods of above-mentioned low VOC PP composite materials, and its step are as follows：
The polypropylene, the first additive and the Second addition that are weighed according to formula are added from the main spout of extruder,
Melt blending is carried out, then, will be added from the side spout of extruder according to the VOC removers with weighing, it is molten with other raw materials
Melt blending, be granulated after extruder squeezes out, obtains the low VOC PP composite materials.
Preferably, the temperature of the extruder is adjusted to successively：
One area：200-220 DEG C,
2nd area：200-220 DEG C,
3rd area：200-220 DEG C,
4th area：200-220 DEG C,
5th area：200-220 DEG C,
6th area：200-220 DEG C,
7th area：200-220 DEG C,
8th area：200-220 DEG C,
9th area：200-220 DEG C,
Head：210-230℃.
Compared with prior art, the present invention has the following advantages：The VOC removers add from the side spout of extruder
Enter, solves in VOC removers steam stripping agent and be added because of the relatively low defect for leading to premature volatilization of steam stripping agent boiling point in main spout, carried
The VOC removal efficiency of the high VOC removers.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention,
Rather than the application range of the limitation present invention.
Embodiment one
A kind of VOC removers are mixture, and the mixture includes that steam stripping agent, aerosil and polystyrene are embedding
Section copolymer, the steam stripping agent are isopropanol, and the styrene block copolymer is s-B-S block
In copolymer, styrene-isoprene-styrene block copolymer or styrene-ethylene-butylene-styrene block copolymer
At least one, in the VOC removers, each component mass percent is as follows：
Steam stripping agent 8%
Aerosil 12%
Styrene block copolymer 80%.
Each component is weighed according to above-mentioned formula to be put into blender, the speed controlled at 30 DEG C, stirring is 200r/
Min at the uniform velocity stirs 25min, obtains the VOC removers.
Embodiment two~nine
A kind of low VOC PP composite materials, including VOC removers described in acrylic resin, embodiment one, first add
It includes elastomer, inorganic mineral powder and antioxidant to add agent and Second addition, first additive, and the elastomer is DOW
The ethylene-octene copolymer POE8999 of company's manufacture, the inorganic mineral powder is the talcum powder of 5 μm of average grain diameter purchased in market, described
Antioxidant includes primary antioxidant and auxiliary antioxidant, and the primary antioxidant is main anti-oxidant 1010 purchased in market, the auxiliary
Antioxidant is auxiliary antioxidant 168 purchased in market, and in the present embodiment, the additive amount of the Second addition is 0.The low VOC
PP composite material each component composition of raw materials is shown in Table 1, and preparation method includes the following steps：
Acrylic resin, elastomer, inorganic mineral powder and antioxidant are weighed according to formula, is mixed on high-speed mixer
Then 5min is added from the main spout of double screw extruder, carry out melt blending, will weigh the VOC according to formula and remove
Agent is added from side spout, with other raw material melt blendings, is granulated after extruder squeezes out, obtains the low VOC polypropylene
Composite material.Each area's temperature setting of wherein double screw extruder is：One 210 DEG C of area, two 210 DEG C of areas, three 210 DEG C of areas, 4th area
210 DEG C, five 210 DEG C of areas, six 210 DEG C of areas, seven 210 DEG C of areas, eight 210 DEG C of areas, nine 210 DEG C of areas, 220 DEG C of head, setting twin-screw
Extruder rotating speed 300r/min.It is spare it to be prepared into model after the particle made is dried.
Embodiment ten
Embodiment ten and embodiment five difference lies in, according to formula weigh acrylic resin, elastomer, inorganic mineral powder and
Antioxidant mixes 8min on high-speed mixer, then, is added from the main spout of double screw extruder.The low VOC is poly-
Acrylic composite each component composition of raw materials is shown in Table 1.
Embodiment 11
Difference lies in the rotating speed that double screw extruder is arranged is 350r/min to embodiment 11 with embodiment five.It is described
Low VOC PP composite materials each component composition of raw materials is shown in Table 1.
Embodiment 12
Difference lies in each area's temperature that double screw extruder is arranged is embodiment 12 with embodiment five：One area 220
DEG C, two 220 DEG C of areas, three 220 DEG C of areas, four 220 DEG C of areas, five 220 DEG C of areas, six 220 DEG C of areas, seven 220 DEG C of areas, eight 220 DEG C of areas, 9th area
220 DEG C, 230 DEG C of head.The low VOC PP composite materials each component composition of raw materials is shown in Table 1.
Comparative example one
A kind of PP composite material, including acrylic resin, the first additive and Second addition, first addition
Agent includes elastomer, inorganic mineral powder and antioxidant, and the elastomer is the ethylene-octene copolymer of DOW companies manufacture
POE8999, the inorganic mineral powder are the talcum powder of 5 μm of average grain diameter purchased in market, and the antioxidant includes primary antioxidant and auxiliary
Aid anti-oxidants, the primary antioxidant are main anti-oxidant 1010 purchased in market, and the auxiliary antioxidant is that auxiliary purchased in market is anti-oxidant
The additive amount of agent 168, the Second addition is 0.The PP composite material each component composition of raw materials is shown in Table 1, prepares
Method includes the following steps：
Acrylic resin, elastomer, inorganic mineral powder and antioxidant will be weighed according to formula, from the master of double screw extruder
Spout is added, and melt blending is granulated after extruder squeezes out, and obtains the PP composite material.Wherein twin-screw squeezes
The areas Chu Jige temperature setting is：One 210 DEG C of area, two 210 DEG C of areas, three 210 DEG C of areas, four 210 DEG C of areas, five 210 DEG C of areas, 6th area
210 DEG C, seven 210 DEG C of areas, eight 210 DEG C of areas, nine 210 DEG C of areas, 220 DEG C of head, double screw extruder rotating speed 300r/min.It will make
Particle drying after to be prepared into model spare.
Material sample prepared by above-described embodiment two~12 and comparative example one carries out injection molding and prepares test bars,
Carry out organic compound emission measurement (TVOC), according to TS-INT-002 standard testings, using headspace gas chromatography-hydrogen flame from
Sonization detector combined instrument carries out total carbon TVOC tests to material, the results are shown in Table 2.
The composition of raw materials of the PP composite material of 1 embodiment two~12 of table and comparative example one
(unit：g)
The TVOC content measuring results of the PP composite material of 2 embodiment two~12 of table and comparative example one
(unit：μgC/g)
Referring to table 2, by embodiment one and comparative example one it is found that using general production method, the PP composite material
Central Plains material is brought the TVOC generated with process into and can not be removed.By embodiment two~seven and comparative example one it is found that VOC is added
Remover, the TVOC that the PP composite material generates are removed, and as the VOC removes the increase of agent content, are gathered
The TVOC amounts that acrylic composite generates gradually reduce, but with the increasing of the VOC removers additive amount, the reduction of TVOC amounts
Amplitude reduces.Comparing embodiment five and embodiment nine, the PP composite material elastomer content change, polypropylene composite materials
The TVOC amounts that material generates are constant, and the other constituent contents of the VOC removers are removed in the PP composite material and are changed, not shadow
Ring the TVOC amounts that PP composite material generates.Comparing embodiment five and embodiment ten~12, the PP composite material
Preparation process in the rotating speed of screw rod, the temperature of barrel, mixing time change, to the TVOC amounts in PP composite material
Influence it is smaller.
In the PP composite material, by adding VOC removers, including steam stripping agent, aerosil and benzene second
Alkene based block copolymer, the styrene block copolymer that the VOC removers contain, the compatibility pole with acrylic resin
It is good, it can effectively improve dispersion effect of the aerosil in PP composite material.It is larger using aerosil
Specific surface area can effectively adsorb a large amount of steam stripping agent, adsorption strength is high.On the one hand, a large amount of steam stripping agent, is effectively reduced
Melt polypropylene surface tension, removal TVOC are cleaner；On the other hand, aerosil adsorption strength is high, by hot solvent
Uniform slow release is desorbed, partial pressure is reduced, avoids stripping effect caused by the heated quickly volatilization release of the solvent that conventional method occurs
Rate declines, on the problem of double screw extruder exhaust capacity requirement height, influence extruder processing efficiency etc..Containing there are two types of surfaces to tie
On the one hand the aerosil of structure serves as the adsorbent of absorption steam stripping agent in VOC removers, can absorb more strippings
On the other hand agent discharges after the steam stripping agent of absorption and can effectively adsorb the TVOC of generation in melting process.Meanwhile utilizing it
The active group silicone hydroxyl functional group on surface and aldoketones micromolecular compound form interaction of hydrogen bond, effectively adsorb aldoketones
Micromolecular compound inhibits aldoketones pollution, reduces TVOC amounts in PP composite material.Before mechanical property remains unchanged
It puts, adds VOC removers, the TVOC amounts generated in PP composite material are reduced to 50 μ gC/g hereinafter, being suitable for automobile
Interior/exterior material.
Those skilled in the art can carry out invention spirit and model of the various modification and variations without departing from the present invention
It encloses.In this way, if these modifications and changes of the present invention is within the scope of the claims of the present invention and its equivalent technology, then
The present invention is also intended to including these modification and variations.
Claims (10)
1. a kind of low VOC PP composite materials, which is characterized in that including polypropylene, VOC removers and additive, each component
Mass percent it is as follows：
Wherein, the VOC removers are mixture, and the mixture includes that steam stripping agent, aerosil and polystyrene are embedding
Section copolymer.
2. low VOC PP composite materials according to claim 1, which is characterized in that in the VOC removers, each group
Divide mass percent as follows：
Steam stripping agent 5~10%
Aerosil 5~15%
Styrene block copolymer 75~90%.
3. low VOC PP composite materials according to claim 1, which is characterized in that the steam stripping agent is selected from water, second
Alcohol, methanol, propyl alcohol, butanol, amylalcohol, hexamethyldisilane, hexamethyldisiloxane, triethylsilane, triethyl silanol, eight first
At least one of basic ring tetrasiloxane, octamethyltrisiloxane.
4. low VOC PP composite materials according to claim 1, which is characterized in that the aerosil
Average grain diameter is 3~10 μm, and porosity is more than 90%.
5. low VOC PP composite materials according to claim 1, which is characterized in that the Styrenic block copolymerization
Object is selected from Styrene-Butadiene-Styrene Block Copolymer, styrene-isoprene-styrene block copolymer or benzene second
At least one of alkene-ethylene-butylene, Styrene block copolymer.
6. low VOC PP composite materials according to claim 1, which is characterized in that first additive includes bullet
Property body, the elastomer be selected from least one of ethylene-octene copolymer and ethylene propylene diene rubber.
7. low VOC PP composite materials according to claim 1, which is characterized in that first additive includes nothing
Machine miberal powder, the inorganic mineral powder are selected from least one of talcum powder and calcium carbonate, and the average grain diameter of the inorganic mineral powder is 1~
20μm。
8. low VOC PP composite materials according to claim 1, which is characterized in that first additive includes anti-
Oxidant, the antioxidant includes primary antioxidant and auxiliary antioxidant, wherein the primary antioxidant is selected from Hinered phenols antioxygen
At least one of agent and sulphur ester antioxidant, the auxiliary antioxidant is selected from phosphite kind antioxidant and phosphorous acid esters are anti-
At least one of oxygen agent.
9. low VOC PP composite materials according to claim 1, which is characterized in that the Second addition includes profit
At least one of lubrication prescription, antistatic agent, light stabilizer, dispersant and pigment.
10. a kind of preparation method preparing the low VOC PP composite materials as described in claim 1~9 is any, step is such as
Under：The polypropylene, the first additive and the Second addition that are weighed according to formula are added from the main spout of extruder, melted
Melt blending, then, will be added from the side spout of extruder according to the VOC removers with weighing, and other raw material melt blendings,
It is granulated after extruder squeezes out, obtains the low VOC PP composite materials.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108997703A (en) * | 2018-08-07 | 2018-12-14 | 浙江新宁生物材料有限公司 | A kind of thermoplastic elastomer (TPE) and preparation method thereof |
| CN110551340A (en) * | 2019-09-03 | 2019-12-10 | 会通新材料股份有限公司 | modified polypropylene composite material for spraying and preparation method thereof |
| CN114316424A (en) * | 2021-11-22 | 2022-04-12 | 金发科技股份有限公司 | Transparent weather-resistant PP/PS composite material and preparation method thereof |
| CN114874548A (en) * | 2022-06-02 | 2022-08-09 | 常州威材新材料科技有限公司 | Low-odor and low-emission composite polypropylene material for vehicles and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103571054A (en) * | 2013-10-24 | 2014-02-12 | 合肥会通新材料有限公司 | Low VOC polypropylene composite material and preparation and application thereof |
| CN106496796A (en) * | 2016-11-17 | 2017-03-15 | 大河宝利材料科技(苏州)有限公司 | PP composite material and preparation method thereof |
| CN106519546A (en) * | 2016-11-17 | 2017-03-22 | 大河宝利材料科技(苏州)有限公司 | Deodorant, preparation method thereof, and high-molecular composite material containing deodorant |
-
2018
- 2018-01-22 CN CN201810060836.9A patent/CN108276671A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103571054A (en) * | 2013-10-24 | 2014-02-12 | 合肥会通新材料有限公司 | Low VOC polypropylene composite material and preparation and application thereof |
| CN106496796A (en) * | 2016-11-17 | 2017-03-15 | 大河宝利材料科技(苏州)有限公司 | PP composite material and preparation method thereof |
| CN106519546A (en) * | 2016-11-17 | 2017-03-22 | 大河宝利材料科技(苏州)有限公司 | Deodorant, preparation method thereof, and high-molecular composite material containing deodorant |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108997703A (en) * | 2018-08-07 | 2018-12-14 | 浙江新宁生物材料有限公司 | A kind of thermoplastic elastomer (TPE) and preparation method thereof |
| CN108997703B (en) * | 2018-08-07 | 2021-06-11 | 浙江新宁生物材料有限公司 | Thermoplastic elastomer and preparation method thereof |
| CN110551340A (en) * | 2019-09-03 | 2019-12-10 | 会通新材料股份有限公司 | modified polypropylene composite material for spraying and preparation method thereof |
| CN114316424A (en) * | 2021-11-22 | 2022-04-12 | 金发科技股份有限公司 | Transparent weather-resistant PP/PS composite material and preparation method thereof |
| CN114316424B (en) * | 2021-11-22 | 2023-08-25 | 金发科技股份有限公司 | Transparent weather-proof PP/PS composite material and preparation method thereof |
| CN114874548A (en) * | 2022-06-02 | 2022-08-09 | 常州威材新材料科技有限公司 | Low-odor and low-emission composite polypropylene material for vehicles and preparation method thereof |
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Application publication date: 20180713 |