CN106566069A - Modified polypropylene composite material and preparing method thereof - Google Patents
Modified polypropylene composite material and preparing method thereof Download PDFInfo
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- CN106566069A CN106566069A CN201610920725.1A CN201610920725A CN106566069A CN 106566069 A CN106566069 A CN 106566069A CN 201610920725 A CN201610920725 A CN 201610920725A CN 106566069 A CN106566069 A CN 106566069A
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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
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- 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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- C—CHEMISTRY; METALLURGY
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Abstract
The invention discloses a modified polypropylene composite material. The modified polypropylene composite material is mainly prepared from the following raw materials including, by weight, 60-80 parts of PP, 25-35 parts of PS, 8-12 parts of SBS, 10-15 parts of modified calcium carbonate, 8-12 parts of tourmaline powder, 8-12 parts of iron powder, 3-5 parts of silica fume, 10-13 parts of a coupling agent, 6-8 parts of a compatilizer, 3-4 parts of a lubricating agent and 0.5-1 part of an antioxidant, wherein the modified calcium carbonate is prepared from light calcium carbonate, maleic anhydride, glycol, crylic acid, diisocyanate and water according to the weight ratio being 1:(1.5-2):(2-3):(0.5-1):(1-2):(5-10). A preparing method of the modified polypropylene composite material is further provided. The modified polypropylene composite material has the beneficial effects of being resistant to heat and impact, high in strength and the like.
Description
Technical field
The present invention relates to field of compound material.It is more particularly related to a kind of modified polypropylene composite material and
Its preparation method.
Background technology
Polypropylene (PP) as one of general-purpose plastics material, with excellent combination property, good chemical stability, compared with
The price of moulding processability well and relative moderate；But it is low that polypropylene has intensity, modulus, hardness, low-temperature impact-resistant
Intensity difference, molding shrinkage is big, the shortcomings of easily aging.Therefore, PP is modified, allows it to adapt to different field product
Demand, improves application of the MODIFIED PP material in the fields such as automobile, household electrical appliance and electronic apparatus and has very great meaning
Justice.But the intensity of existing modified polypropylene composite material, thermostability and impact resistance still can not satisfy social needs.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that at least will be described later.
It is a still further object of the present invention to provide a kind of heat-resisting, impact resistance, the modified polypropylene composite material of high intensity.
It is a still further object of the present invention to provide a kind of preparation method of high tenacity PP/PS/SBS composite, the method
It is simple to operate, the intensity and heat-resisting, impact resistance of energy service hoisting composite.
In order to realize these purposes of the invention and further advantage, there is provided a kind of modified polypropylene composite material,
Mainly it is made up of the following raw material by weight：PP 60-80 parts, PS 25-35 parts, SBS 8-12 parts, modified calcium carbonate 10-
15 parts, tourmaline powder 8-12 parts, Iron concentrate 8-12 parts, SILICA FUME 3-5 parts, coupling agent 10-13 parts, compatilizer 6-8 parts, lubricant
3-4 parts and antioxidant 0.5-1 parts, wherein, the modified calcium carbonate is by precipitated calcium carbonate, maleic anhydride, ethylene glycol, propylene
Acid, diisocyanate and water compare 1 according to weight:1.5-2:2-3:0.5-1:1-2:5-10 makes, and the PP is polypropylene, and PS is
Polystyrene, SBS is styrene butadiene styrene block copolymer (SBS).
Preferably, described modified polypropylene composite material, the coupling agent is by aluminate coupling agent and titanate esters idol
Connection agent is by weight 2:1 compound is formed.
Preferably, described modified polypropylene composite material, the compatilizer is maleic anhydride inoculated polypropylene, and it connects
Branch degree is 25%-30%.
Preferably, described modified polypropylene composite material, the lubricant is OPE；The antioxidation
Agent is phosphite ester kind antioxidant.
A kind of preparation method of modified polypropylene composite material, comprises the steps：
Step one, Iron concentrate 8-12 parts and SILICA FUME 3-5 parts are weighed by weight, after mixing, be placed in temperature for 550-600
DEG C resistance furnace in calcine 1-2h, obtain the first compound；
Step 2, by 8-12 parts by weight of tourmaline powder, 10-13 weight portions coupling agent and first compound add ball milling
In machine, the ball milling 12-16h under rotating speed 1000-1500r/min obtains the second compound；
Step 3, PP 60-80 parts, PS 25-35 parts, modified calcium carbonate 10-15 parts, compatilizer 6-8 are weighed by weight
Part, lubricant 3-4 parts and antioxidant 0.5-1 parts, in being placed on high-speed mixer, and add second compound, in
Stir 15-20 minutes under rotating speed 4000-4500r/min, then be placed in banbury, in 180-200 DEG C, under rotating speed 40-50r/min
Banburying 6-8min, obtains the 3rd compound；
Step 4, the SBS of 8-12 weight portions is added in the 3rd compound, in 230-250 DEG C, rotating speed 40-50r/
Banburying 10-15min under min, obtains the 4th compound；
Step 5, by the 4th compound on vulcanizing press, in 180-200 DEG C, under rotating speed 200-220r/min
It is hot-forming, obtain final product modified polypropylene composite material.
Preferably, the preparation method of described modified polypropylene composite material, also includes, before the step 3,
Second compound is placed in microwave oven, prior to processing 3-5min under microwave power 1400-1600w, then at microwave power
800-1000w processes 8-10min, most processes 20-25min after microwave power 200-300w.
Preferably, the preparation method of described modified polypropylene composite material, the preparation method of the modified calcium carbonate
For：1 part of precipitated calcium carbonate, maleic anhydride 1.5-2 parts, ethylene glycol 2-3 parts and water 5-10 parts are weighed by weight, are placed on anti-
In answering kettle, 4-6h is stirred under 30-50 DEG C, rotating speed 400-600r/min, add the acrylic acid and 1-2 weight of 0.5-1 weight portions
The diisocyanate of amount part, under 40-60 DEG C, rotating speed 800-1000r/min 8-10h is stirred, and is filtered, and is dried, and is obtained final product.
The present invention at least includes following beneficial effect：
Firstth, the present invention is by the tourmaline powder of the coupling agent modified process of addition Jing, Iron concentrate and SILICA FUME, and is modified
Calcium Carbonate, it is to avoid direct addition SBS causes the elastic modelling quantity of PP/PS composites, tensile strength, bending moduluses, bending strong
The problem that degree is reduced, improves thermostability, resistance to impact and the intensity of composite；
Secondth, preparation method of the invention is simple, easily operated, by two step banburyings, adds again after first PP is mixed with PS
Enter SBS to be blended, although being merged in the SBS aggregation phases to PP and PS more difficult to get access, SBS is with rubber elastic material point
It is dispersed in PP and PS and plays toughening effect, improves the resistance to impact of composite；
3rd, the present invention makes tourmaline powder, Iron concentrate and SILICA FUME enter one by the way that the second compound is carried out into microwave treatment
There is fusion and be modified in step, the compatibility of the second compound and PP and PS is improve, so as to further increase the resistance to of composite
Hot, resistance to impact and intensity.
The further advantage of the present invention, target and feature embody part by description below, and part will also be by this
The research of invention and practice and be understood by the person skilled in the art.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to description
Word can be implemented according to this.
It should be noted that experimental technique described in following embodiments, if no special instructions, is conventional method, it is described
Reagent and material, if no special instructions, commercially obtain.
Embodiment 1：
A kind of modified polypropylene composite material, is mainly made up of the following raw material by weight：60 parts of PP, PS 25
Part, 8 parts of SBS, 10 parts of modified calcium carbonate, 8 parts of tourmaline powder, 8 parts of Iron concentrate, 3 parts of SILICA FUME, 10 parts of coupling agent, compatilizer 6
Part, 0.5 part of 3 parts of lubricant and antioxidant, wherein, the modified calcium carbonate by precipitated calcium carbonate, maleic anhydride, ethylene glycol,
Acrylic acid, diisocyanate and water compare 1 according to weight:1.5:2:0.5:1:5 make, and the PP is polypropylene, and PS is polyphenyl second
Alkene, SBS is styrene butadiene styrene block copolymer (SBS).
Described modified polypropylene composite material, the coupling agent by aluminate coupling agent and titanate coupling agent by weight
Than 2:1 compound is formed.
Described modified polypropylene composite material, the compatilizer is maleic anhydride inoculated polypropylene, and its grafting degree is
25%-30%.
Described modified polypropylene composite material, the lubricant is OPE；The antioxidant is phosphorous
Acid esters kind antioxidant.
A kind of preparation method of modified polypropylene composite material, comprises the steps：
Step one, 3 parts of 8 parts of Iron concentrate and SILICA FUME are weighed by weight, after mixing, be placed in the resistance that temperature is 550 DEG C
2h is calcined in stove, the first compound is obtained；
Step 2, by 8 parts by weight of tourmaline powder, 10 weight portion coupling agents and first compound add ball mill in,
The ball milling 16h under rotating speed 1000r/min, obtains the second compound；
Step 3,60 parts of PP, 25 parts of PS, 10 parts of modified calcium carbonate, 6 parts of compatilizer, 3 parts of lubricant are weighed by weight
With 0.5 part of antioxidant, in being placed on high-speed mixer, and second compound is added, stirred under rotating speed 4000r/min
Mix 20 minutes, then be placed in banbury, in 180 DEG C, banburying 8min under rotating speed 40r/min obtains the 3rd compound；
Step 4, the SBS of 8 weight portions is added in the 3rd compound, in 230 DEG C, banburying under rotating speed 40r/min
15min, obtains the 4th compound；
Step 5, by the 4th compound on vulcanizing press, it is hot-forming under rotating speed 200r/min in 180 DEG C,
Obtain final product modified polypropylene composite material.
The preparation method of described modified polypropylene composite material, the preparation method of the modified calcium carbonate is：By weight
Part weighs 5 parts of 1 part of precipitated calcium carbonate, 1.5 parts of maleic anhydride, 2 parts of ethylene glycol and water, in being placed on reactor, in 30 DEG C, turns
6h is stirred under fast 400r/min, the acrylic acid of 0.5 weight portion and the diisocyanate of 1 weight portion is added, in 40 DEG C, rotating speed
10h is stirred under 800r/min, is filtered, be dried, obtained final product.
Embodiment 2：
A kind of modified polypropylene composite material, is mainly made up of the following raw material by weight：70 parts of PP, PS 30
Part, SBS10 parts, 12.5 parts of modified calcium carbonate, 10 parts of tourmaline powder, 10 parts of Iron concentrate, 4 parts of SILICA FUME, 11.5 parts of coupling agent, phase
Hold 7 parts of agent, 0.75 part of 3.5 parts of lubricant and antioxidant, wherein, the modified calcium carbonate by precipitated calcium carbonate, maleic anhydride,
Ethylene glycol, acrylic acid, diisocyanate and water compare 1 according to weight:1.75:2.5:0.75:1.5:7.5 make, and the PP is poly-
Propylene, PS is polystyrene, and SBS is styrene butadiene styrene block copolymer (SBS).
Described modified polypropylene composite material, the coupling agent by aluminate coupling agent and titanate coupling agent by weight
Than 2:1 compound is formed.
Described modified polypropylene composite material, the compatilizer is maleic anhydride inoculated polypropylene, and its grafting degree is
25%-30%.
Described modified polypropylene composite material, the lubricant is OPE；The antioxidant is phosphorous
Acid esters kind antioxidant.
A kind of preparation method of modified polypropylene composite material, comprises the steps：
Step one, 4 parts of 10 parts of Iron concentrate and SILICA FUME are weighed by weight, after mixing, be placed in the resistance that temperature is 580 DEG C
1.5h is calcined in stove, the first compound is obtained；
Step 2, by 10 parts by weight of tourmaline powder, 11.5 weight portion coupling agents and first compound add ball mill
In, the ball milling 14h under rotating speed 1200r/min obtains the second compound；
Step 3,70 parts of PP, 30 parts of PS, 12.5 parts of modified calcium carbonate, 7 parts of compatilizer, lubricant are weighed by weight
3.5 parts and 0.75 part of antioxidant, in being placed on high-speed mixer, and add second compound, in rotating speed 4200r/
Stir 18 minutes under min, then be placed in banbury, in 190 DEG C, banburying 7min under rotating speed 45r/min obtains the 3rd compound；
Step 4, the SBS of 10 weight portions is added in the 3rd compound, in 240 DEG C, banburying under rotating speed 45r/min
13min, obtains the 4th compound；
Step 5, by the 4th compound on vulcanizing press, it is hot-forming under rotating speed 210r/min in 190 DEG C,
Obtain final product modified polypropylene composite material.
The preparation method of described modified polypropylene composite material, the preparation method of the modified calcium carbonate is：By weight
Part weighs 7.5 parts of 1 part of precipitated calcium carbonate, 1.75 parts of maleic anhydride, 2.5 parts of ethylene glycol and water, in being placed on reactor, in 40
DEG C, stir 5h under rotating speed 500r/min, the acrylic acid of 0.75 weight portion and the diisocyanate of 1.5 weight portions are added, in 50
DEG C, stir 9h under rotating speed 900r/min, filter, be dried, obtain final product.
Embodiment 3：
A kind of modified polypropylene composite material, is mainly made up of the following raw material by weight：80 parts of PP, PS 35
Part, SBS12 parts, 15 parts of modified calcium carbonate, 12 parts of tourmaline powder, 12 parts of Iron concentrate, 5 parts of SILICA FUME, 13 parts of coupling agent, compatilizer
1 part of 8 parts, 4 parts of lubricant and antioxidant, wherein, the modified calcium carbonate by precipitated calcium carbonate, maleic anhydride, ethylene glycol, third
Olefin(e) acid, diisocyanate and water compare 1 according to weight:2:3:1:2:10 make, and the PP is polypropylene, and PS is polystyrene, SBS
For styrene butadiene styrene block copolymer (SBS).
Described modified polypropylene composite material, the coupling agent by aluminate coupling agent and titanate coupling agent by weight
Than 2:1 compound is formed.
Described modified polypropylene composite material, the compatilizer is maleic anhydride inoculated polypropylene, and its grafting degree is
25%-30%.
Described modified polypropylene composite material, the lubricant is OPE；The antioxidant is phosphorous
Acid esters kind antioxidant.
A kind of preparation method of modified polypropylene composite material, comprises the steps：
Step one, 5 parts of 12 parts of Iron concentrate and SILICA FUME are weighed by weight, after mixing, be placed in the resistance that temperature is 600 DEG C
1h is calcined in stove, the first compound is obtained；
Step 2, by 12 parts by weight of tourmaline powder, 13 weight portion coupling agents and first compound add ball mill in,
The ball milling 12h under rotating speed 1500r/min, obtains the second compound；
Step 3, PP80 parts, 35 parts of PS, 15 parts of modified calcium carbonate, 8 parts of compatilizer, 4 parts of lubricant are weighed by weight
With 1 part of antioxidant, in being placed on high-speed mixer, and second compound is added, stirred under rotating speed 4500r/min
15 minutes, then be placed in banbury, in 200 DEG C, banburying 6min under rotating speed 50r/min obtains the 3rd compound；
Step 4, the SBS of 12 weight portions is added in the 3rd compound, in 250 DEG C, banburying under rotating speed 50r/min
10min, obtains the 4th compound；
Step 5, by the 4th compound on vulcanizing press, it is hot-forming under rotating speed 220r/min in 200 DEG C,
Obtain final product modified polypropylene composite material.
The preparation method of described modified polypropylene composite material, the preparation method of the modified calcium carbonate is：By weight
Part weighs 10 parts of 1 part of precipitated calcium carbonate, 2 parts of maleic anhydride, 3 parts of ethylene glycol and water, in being placed on reactor, in 50 DEG C, turns
4h is stirred under fast 600r/min, the acrylic acid of 1 weight portion and the diisocyanate of 2 weight portions is added, in 60 DEG C, rotating speed
8h is stirred under 1000r/min, is filtered, be dried, obtained final product.
Embodiment 4：
On the basis of embodiment 2, the preparation method of described modified polypropylene composite material is also included, in the step
Before rapid three, second compound is placed in microwave oven, prior to processing 4min under microwave power 1500w, then at microwave work(
Rate 900w processes 9min, most processes 22min after microwave power 300w.
Comparative example 1：
A kind of modified polypropylene composite material, is mainly made up of the following raw material by weight：70 parts of PP, PS 30
Part, SBS10 parts, 12.5 parts of modified calcium carbonate, 4 parts of SILICA FUME, 11.5 parts of coupling agent, 7 parts of compatilizer, 3.5 parts of lubricant and anti-
0.75 part of oxidant, wherein, the modified calcium carbonate is by precipitated calcium carbonate, maleic anhydride, ethylene glycol, acrylic acid, two Carbimide .s
Ester and water compare 1 according to weight:1.75:2.5:0.75:1.5:7.5 make, and the PP is polypropylene, and PS is polystyrene, and SBS is
Styrene butadiene styrene block copolymer (SBS).
Described modified polypropylene composite material, the coupling agent by aluminate coupling agent and titanate coupling agent by weight
Than 2:1 compound is formed.
Described modified polypropylene composite material, the compatilizer is maleic anhydride inoculated polypropylene, and its grafting degree is
25%-30%.
Described modified polypropylene composite material, the lubricant is OPE；The antioxidant is phosphorous
Acid esters kind antioxidant.
A kind of preparation method of modified polypropylene composite material, comprises the steps：
Step one, 4 parts of SILICA FUME is weighed by weight, after mixing, be placed in the resistance furnace that temperature is 580 DEG C and calcine
1.5h, obtains the first compound；
Step 2,11.5 weight portion coupling agents and first compound are added in ball mill, in rotating speed 1200r/min
Lower ball milling 14h, obtains the second compound；
Step 3,70 parts of PP, 30 parts of PS, 12.5 parts of modified calcium carbonate, 7 parts of compatilizer, lubricant are weighed by weight
3.5 parts and 0.75 part of antioxidant, in being placed on high-speed mixer, and add second compound, in rotating speed 4200r/
Stir 18 minutes under min, then be placed in banbury, in 190 DEG C, banburying 7min under rotating speed 45r/min obtains the 3rd compound；
Step 4, the SBS of 10 weight portions is added in the 3rd compound, in 240 DEG C, banburying under rotating speed 45r/min
13min, obtains the 4th compound；
Step 5, by the 4th compound on vulcanizing press, it is hot-forming under rotating speed 210r/min in 190 DEG C,
Obtain final product modified polypropylene composite material.
The preparation method of described modified polypropylene composite material, the preparation method of the modified calcium carbonate is：By weight
Part weighs 7.5 parts of 1 part of precipitated calcium carbonate, 1.75 parts of maleic anhydride, 2.5 parts of ethylene glycol and water, in being placed on reactor, in 40
DEG C, stir 5h under rotating speed 500r/min, the acrylic acid of 0.75 weight portion and the diisocyanate of 1.5 weight portions are added, in 50
DEG C, stir 9h under rotating speed 900r/min, filter, be dried, obtain final product.
Comparative example 2：
A kind of modified polypropylene composite material, is mainly made up of the following raw material by weight：70 parts of PP, PS 30
Part, SBS10 parts, 12.5 parts of modified calcium carbonate, 11.5 parts of coupling agent, 7 parts of compatilizer, 3.5 parts of lubricant and antioxidant 0.75
Part, wherein, the modified calcium carbonate by precipitated calcium carbonate, maleic anhydride, ethylene glycol, acrylic acid, diisocyanate and water according to
Weight compares 1:1.75:2.5:0.75:1.5:7.5 make, and the PP is polypropylene, and PS is polystyrene, and SBS is styrene-fourth
Styrene block copolymer.
Described modified polypropylene composite material, the coupling agent by aluminate coupling agent and titanate coupling agent by weight
Than 2:1 compound is formed.
Described modified polypropylene composite material, the compatilizer is maleic anhydride inoculated polypropylene, and its grafting degree is
25%-30%.
Described modified polypropylene composite material, the lubricant is OPE；The antioxidant is phosphorous
Acid esters kind antioxidant.
A kind of preparation method of modified polypropylene composite material, comprises the steps：
Step one, weigh by weight 70 parts of PP, 30 parts of PS, 12.5 parts of modified calcium carbonate, 11.5 weight portion coupling agents,
0.75 part of 7 parts of compatilizer, 3.5 parts of lubricant and antioxidant, in being placed on high-speed mixer, and add second mixing
Material, stirs 18 minutes under rotating speed 4200r/min, then is placed in banbury, in 190 DEG C, banburying 7min under rotating speed 45r/min,
Obtain the 3rd compound；
Step 2, the SBS of 10 weight portions is added in the 3rd compound, in 240 DEG C, banburying under rotating speed 45r/min
13min, obtains the 4th compound；
Step 3, by the 4th compound on vulcanizing press, it is hot-forming under rotating speed 210r/min in 190 DEG C,
Obtain final product modified polypropylene composite material.
The preparation method of described modified polypropylene composite material, the preparation method of the modified calcium carbonate is：By weight
Part weighs 7.5 parts of 1 part of precipitated calcium carbonate, 1.75 parts of maleic anhydride, 2.5 parts of ethylene glycol and water, in being placed on reactor, in 40
DEG C, stir 5h under rotating speed 500r/min, the acrylic acid of 0.75 weight portion and the diisocyanate of 1.5 weight portions are added, in 50
DEG C, stir 9h under rotating speed 900r/min, filter, be dried, obtain final product.
Comparative example 3：
A kind of modified polypropylene composite material, is mainly made up of the following raw material by weight：70 parts of PP, PS 30
Part, SBS10 parts, 12.5 parts of modified calcium carbonate, 11.5 parts of coupling agent, 7 parts of compatilizer, 3.5 parts of lubricant and antioxidant 0.75
Part, wherein, the modified calcium carbonate is silane-modified Calcium Carbonate, and the PP is polypropylene, and PS is polystyrene, and SBS is benzene second
Alkene-butadiene-styrene block copolymer.
Described modified polypropylene composite material, the coupling agent by aluminate coupling agent and titanate coupling agent by weight
Than 2:1 compound is formed.
Described modified polypropylene composite material, the compatilizer is maleic anhydride inoculated polypropylene, and its grafting degree is
25%-30%.
Described modified polypropylene composite material, the lubricant is OPE；The antioxidant is phosphorous
Acid esters kind antioxidant.
A kind of preparation method of modified polypropylene composite material, comprises the steps：
Step one, weigh by weight 70 parts of PP, 30 parts of PS, 12.5 parts of modified calcium carbonate, 11.5 weight portion coupling agents,
0.75 part of 7 parts of compatilizer, 3.5 parts of lubricant and antioxidant, in being placed on high-speed mixer, and add second mixing
Material, stirs 18 minutes under rotating speed 4200r/min, then is placed in banbury, in 190 DEG C, banburying 7min under rotating speed 45r/min,
Obtain the 3rd compound；
Step 2, the SBS of 10 weight portions is added in the 3rd compound, in 240 DEG C, banburying under rotating speed 45r/min
13min, obtains the 4th compound；
Step 3, by the 4th compound on vulcanizing press, it is hot-forming under rotating speed 210r/min in 190 DEG C,
Obtain final product modified polypropylene composite material.
The preparation method of described modified polypropylene composite material, the preparation method of the modified calcium carbonate is：By lightweight
Calcium Carbonate is with silane coupler by weight 1:100 mix.
Comparative example 4：
On the basis of embodiment 2, a kind of preparation method of modified polypropylene composite material comprises the steps：
Step one, 4 parts of 10 parts of Iron concentrate and SILICA FUME are weighed by weight, after mixing, be placed in the resistance that temperature is 580 DEG C
1.5h is calcined in stove, the first compound is obtained；
Step 2, by 10 parts by weight of tourmaline powder, 11.5 weight portion coupling agents and first compound add ball mill
In, the ball milling 14h under rotating speed 1200r/min obtains the second compound；
Step 3,70 parts of PP, 30 parts of PS, 10 parts of SBS, 12.5 parts of modified calcium carbonates, compatilizer 7 are weighed by weight
Part, 0.75 part of 3.5 parts of lubricant and antioxidant, in being placed on high-speed mixer, and second compound is added, in turning
Stir 18 minutes under fast 4200r/min, then be placed in banbury, in 190 DEG C, banburying 7min under rotating speed 45r/min obtains the 3rd and mixes
Close material；
Step 4, by the 3rd compound on vulcanizing press, it is hot-forming under rotating speed 210r/min in 190 DEG C,
Obtain final product modified polypropylene composite material.
The preparation method of described modified polypropylene composite material, the preparation method of the modified calcium carbonate is：By weight
Part weighs 7.5 parts of 1 part of precipitated calcium carbonate, 1.75 parts of maleic anhydride, 2.5 parts of ethylene glycol and water, in being placed on reactor, in 40
DEG C, stir 5h under rotating speed 500r/min, the acrylic acid of 0.75 weight portion and the diisocyanate of 1.5 weight portions are added, in 50
DEG C, stir 9h under rotating speed 900r/min, filter, be dried, obtain final product.
In order to further illustrate the advantage of the high tenacity PP/PS/SBS composite of the present invention, the present inventor is by embodiment
2nd, the obtained composite sample preparation of embodiment 4 and comparative example 1-4, and performance test is carried out, wherein, tensile property presses GB/
T1040-2006 plastic tensiles method for testing performance is determined, specimen size 150mm × 10mm × 4mm, rate of extension 50mm/min；
Bending property presses GB/T 9341-2000 measure, specimen size 150mm × 10mm × 4mm, sag 6mm, span 64mm, examination
Test speed 2mm/min；Impact strength presses GB/T 16420-2006 measure, and sample is the standard batten with v-notch, breach
Width 2mm；Vicat softening point presses GB/T 1633-2000 measure, and specimen size 10mm × 10mm × 4mm loads load 10N, on
180 DEG C of temperature of limit, piercing depth 1mm, 120 DEG C/h of heating rate, heat transfer medium is transformer oil.Test result see the table below.
| Test event | Embodiment 2 | Embodiment 4 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 |
| Elastic modelling quantity/MPa | 707 | 790 | 603 | 566 | 538 | 742 |
| Tensile strength/MPa | 19.1 | 21.6 | 16.2 | 15.1 | 14.3 | 19.9 |
| Bending moduluses/MPa | 1593 | 1720 | 1344 | 1272 | 1190 | 1683 |
| Bending strength/MPa | 32.7 | 36.6 | 26.7 | 25.9 | 24.2 | 34.5 |
| Impact strength/KJ/m2 | 22.4 | 25.5 | 18.4 | 17.9 | 16.1 | 19.7 |
| Vicat softening point/DEG C | 168.2 | 178.3 | 134.6 | 129.5 | 127.8 | 163.2 |
As seen from the above table, compared with Example 2, the property indices of embodiment 4 are significantly raised, and illustrate to be mixed second
Closing material carries out microwave treatment, can improve thermostability, resistance to impact and the intensity of composite；The properties of comparative example 1-3 refer to
Mark pole significantly reduces, and illustrates tourmaline powder, Iron concentrate and the SILICA FUME for adding the coupling agent modified process of Jing, and modified carbonic acid
Calcium can improve thermostability, resistance to impact and the intensity of composite, wherein, tourmaline powder and Iron concentrate are heat-resisting to composite
The impact of property, resistance to impact and intensity is more notable than SILICA FUME；The elastic modelling quantity of comparative example 4, tensile strength, bending moduluses and curved
Qu Qiangdu slightly rises, and Vicat softening point is slightly reduced, but impact strength is significantly reduced, and illustrates that two step banburyings are remarkably improved multiple
The resistance to impact of condensation material.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in description and embodiment
With, it can be applied to completely various suitable the field of the invention, for those skilled in the art, can be easily
Other modification is realized, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details.
Claims (7)
1. a kind of modified polypropylene composite material, it is characterised in that be mainly made up of the following raw material by weight：PP60-
80 parts, PS 25-35 parts, SBS 8-12 parts, modified calcium carbonate 10-15 parts, tourmaline powder 8-12 parts, Iron concentrate 8-12 parts, micro- silicon
Powder 3-5 parts, coupling agent 10-13 parts, compatilizer 6-8 parts, lubricant 3-4 parts and antioxidant 0.5-1 parts, wherein, it is described modified
Calcium Carbonate compares 1 by precipitated calcium carbonate, maleic anhydride, ethylene glycol, acrylic acid, diisocyanate and water according to weight:1.5-2:2-
3:0.5-1:1-2:5-10 makes.
2. modified polypropylene composite material as claimed in claim 1, it is characterised in that the coupling agent is by aluminate coupling agent
With titanate coupling agent by weight 2:1 compound is formed.
3. modified polypropylene composite material as claimed in claim 2, it is characterised in that the compatilizer is maleic anhydride grafting
Polypropylene, its grafting degree is 25%-30%.
4. modified polypropylene composite material as claimed in claim 3, it is characterised in that the lubricant is oxidic polyethylene
Wax；The antioxidant is phosphite ester kind antioxidant.
5. a kind of preparation method of the modified polypropylene composite material as described in claim 1-4 is arbitrary, it is characterised in that include
Following steps：
Step one, Iron concentrate 8-12 parts and SILICA FUME 3-5 parts are weighed by weight, after mixing, be placed in temperature for 550-600 DEG C
1-2h is calcined in resistance furnace, the first compound is obtained；
Step 2, by 8-12 parts by weight of tourmaline powder, 10-13 weight portions coupling agent and first compound add ball mill
In, the ball milling 12-16h under rotating speed 1000-1500r/min obtains the second compound；
Step 3, weigh by weight PP 60-80 parts, PS 25-35 parts, modified calcium carbonate 10-15 parts, compatilizer 6-8 parts, profit
Lubrication prescription 3-4 parts and antioxidant 0.5-1 parts, in being placed on high-speed mixer, and add second compound, in rotating speed
Stir 15-20 minutes under 4000-4500r/min, then be placed in banbury, in 180-200 DEG C, banburying under rotating speed 40-50r/min
6-8min, obtains the 3rd compound；
Step 4, the SBS of 8-12 weight portions is added in the 3rd compound, in 230-250 DEG C, under rotating speed 40-50r/min
Banburying 10-15min, obtains the 4th compound；
Step 5, by the 4th compound on vulcanizing press, in 180-200 DEG C, hot pressing under rotating speed 200-220r/min
Molding, obtains final product modified polypropylene composite material.
6. the preparation method of modified polypropylene composite material as claimed in claim 5, it is characterised in that also include, described
Before step 3, second compound is placed in microwave oven, prior to processing 3-5min under microwave power 1400-1600w, then
8-10min is processed in microwave power 800-1000w, most 20-25min is processed after microwave power 200-300w.
7. the preparation method of modified polypropylene composite material as claimed in claim 5, it is characterised in that the modified calcium carbonate
Preparation method be：1 part of precipitated calcium carbonate, maleic anhydride 1.5-2 parts, ethylene glycol 2-3 parts and water 5-10 parts are weighed by weight,
In being placed on reactor, 4-6h is stirred under 30-50 DEG C, rotating speed 400-600r/min, add the propylene of 0.5-1 weight portions
Acid and the diisocyanate of 1-2 weight portions, under 40-60 DEG C, rotating speed 800-1000r/min 8-10h is stirred, and is filtered, and is dried, i.e.,
.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112398076A (en) * | 2020-12-10 | 2021-02-23 | 广东安恒塑业有限公司 | Buried high-strength pressure-resistant power cable protection sleeve and protection sleeve assembly thereof |
| CN112521708A (en) * | 2020-12-14 | 2021-03-19 | 句容市阳光恒瑞材料科技有限公司 | Ionomer modified polypropylene composite material generated by in-situ reaction and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709125A (en) * | 2009-12-10 | 2010-05-19 | 合肥会通新材料有限公司 | Polystyrene/polyolefin nano composite material based on interface compatibilization and preparation method thereof |
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2016
- 2016-10-21 CN CN201610920725.1A patent/CN106566069A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709125A (en) * | 2009-12-10 | 2010-05-19 | 合肥会通新材料有限公司 | Polystyrene/polyolefin nano composite material based on interface compatibilization and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112398076A (en) * | 2020-12-10 | 2021-02-23 | 广东安恒塑业有限公司 | Buried high-strength pressure-resistant power cable protection sleeve and protection sleeve assembly thereof |
| CN112521708A (en) * | 2020-12-14 | 2021-03-19 | 句容市阳光恒瑞材料科技有限公司 | Ionomer modified polypropylene composite material generated by in-situ reaction and preparation method thereof |
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