CN106279976A - Fretting map High-strength polypropylene composite material - Google Patents
Fretting map High-strength polypropylene composite material Download PDFInfo
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- CN106279976A CN106279976A CN201610654477.0A CN201610654477A CN106279976A CN 106279976 A CN106279976 A CN 106279976A CN 201610654477 A CN201610654477 A CN 201610654477A CN 106279976 A CN106279976 A CN 106279976A
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2425/02—Homopolymers or copolymers of hydrocarbons
- C08J2425/04—Homopolymers or copolymers of styrene
- C08J2425/08—Copolymers of styrene
- C08J2425/10—Copolymers of styrene with conjugated dienes
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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
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
The invention discloses a kind of fretting map High-strength polypropylene composite material, count by weight, it is prepared from by the raw material including following components: polypropylene 100 parts, organic peroxide 0.001 0.01 parts, K resin 10 15 parts, the inorganic foaming agent 15 parts of organic polymer cladding, Pulvis Talci 5 15 parts, auxiliary agent 15 parts, described auxiliary agent includes that surfactant, foaming stabiliser and thermal stabilizer, described talcous size are 100 5000 mesh.The formula of the present invention is raw materials used to be easy to get, low cost, particularly foaming agent NaHCO3, economic and environment-friendly, coordinate the automobile microporous foam polypropylene material that other components can prepare the closed pore of injection grade, distribution of cells is uniform, frothing percentage is high, physical and mechanical property is excellent.
Description
Technical field
The present invention relates to a kind of PP composite material, be specifically related to a kind of fretting map High-strength polypropylene composite material.
Background technology
Based on automobile industry development demand and state of development, it has been developed that polypropylene micro foaming injection moulding technology.
This technology refers to polypropylene material as matrix, by Shooting Technique, under the effect of internal gas pressure, makes goods intermediate layer close
From the closed porosity of ten to tens microns, there is the epidermal structure of densification both sides to cloth size;Thus reach to save material and loss of weight
Purpose.
Although after fretting map PP foaming materials molding, more unexpanded solid material substantially alleviates weight, but condition of equivalent thickness material
Rigidity, toughness but have corresponding decline.Simultaneously as the more conventional solid injection material of Injection filling thickness that material is before unexpanded
Material is much lower, therefore, requires the molding mobility of PP basic material also far beyond conventional tubeless injected plastics material.Additionally,
Although the material starting of overseas enterprise (such as Basel, Borealis etc.) is early, but expensive, therefore, except to improve poly-third
Outside the mobility of alkene composite, mechanical property, in order to ensure the competition of product, also need to control cost.
Summary of the invention
The technical problem to be solved in the present invention is the defect overcoming prior art, it is provided that a kind of fretting map high-strength polypropylene
Composite, this polypropylene material has the characteristic of high fluidity, high intensity, it is possible to realize loss of weight, efficient, the life of low cost
Produce.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of fretting map High-strength polypropylene composite material, counts by weight, the raw material including following components prepares
Form: polypropylene 100 parts, organic peroxide 0.001-0.01 part, K resin 10-15 part, inorganic of organic polymer cladding
Infusion 1-5 part, Pulvis Talci 5-15 part, auxiliary agent 1-5 part, described auxiliary agent includes surfactant, foaming stabiliser and thermal stabilizer, institute
Stating talcous size is 100-5000 mesh.
Preferably, foaming stabiliser is the foaming stabilizer of methyl glycol fatty acid ester class, and thermal stabilizer is calcium stearate or hard
Fat acid barium.
Preferably, described polypropylene is HOPP, and described polyacrylic isotacticity is more than 97%, described polypropylene root
According to ASTMD1238-99,230 DEG C/2.16kg of condition, the solution flow rate of mensuration is 1-10g/10min.
Preferably, described inorganic foaming agent is NaHCO3, organic polymer in the inorganic foaming agent of organic polymer cladding
For one or more in polyurethane-modified organosilicon resin, polyalkyl acrylate or poly-hydroxy acrylate.
Preferably, the inorganic foaming agent of described organic polymer cladding is prepared by following methods: be dissolved in by organic polymer
After in organic solvent, add NaHCO3Ultrasonic disperse is uniform, then stirs more than 24h under 50-150r/min speed, uses spin coating side
Method dries, and is vacuum dried 0.2-1 hour, removes organic solvent, obtains the inorganic foaming agent of organic polymer cladding.
Preferably, described organic peroxide is selected from tert-butylperoxylaurate, t-butyl peroxybenzoate, tert-butyl group mistake
Oxygen isopropyl monocarbonate, cumyl peroxide, 2,5-dimethyl-2,5-bis-(benzoylperoxy) hexane and 1,3-is double
The mixture of one or more in (t-butylperoxyisopropyl) benzene.
Preferably, described surfactant is nonionic surfactant, and described nonionic surfactant is selected from second two
Alcohol or glycerol tetramethylolmethane, the consumption of described nonionic surfactant is 0.01-0.1 part.
Preferably, described fretting map High-strength polypropylene composite material has following character:
According to ASTMD1238-99,230 DEG C/2.16kg of condition, the solution flow rate >=40g/10min of mensuration, abscess
Diameter 10-100 μm, fusing point >=152 DEG C recorded according to DIN EN ISO 3146 testing standard, record according to ISO 180-A
Notch impact strength >=35kJ/m2。
As preferably, the formula of the present invention, before preparation, needs first by after polypropylene fusion, adds organic peroxide
Stirring, adds remaining component subsequently and prepares.Preparation method can be selected for Shooting Technique well known in the art.
The beneficial effect that the present invention is reached:
The formula of the present invention is raw materials used to be easy to get, low cost, particularly foaming agent NaHCO3, economic and environment-friendly, coordinate other
The automobile micropore that component can prepare the closed pore of injection grade, distribution of cells is uniform, frothing percentage is high, physical and mechanical property is excellent is sent out
Foaming polypropylene material;
Organic peroxide not only improves polyacrylic melted tension force, also reduces rubber phase with coordinating of other components
Viscosity, improve material flow fronts stability.K resin i.e. transparent butadiene-styrene impact resin, can balancing material in component
Toughness and rigidity, make material obtain combination property improve PP composite material.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.Following example are only used for clearly illustrating
Technical scheme, and can not limit the scope of the invention with this.
Embodiment 1
Weighing by weight: polypropylene 100 parts, tert-butylperoxylaurate 0.001 part, K resin 10 parts, polyurethane changes
Property organosilicon resin cladding NaHCO3Foaming agent 2 parts, Pulvis Talci 5 parts, nonionic surfactant, methyl glycol fatty acid ester class
Foaming stabilizer and calcium stearate totally 1 part, talcous size is 1000 mesh.
First will add organic peroxide after polypropylene fusion, add its in addition to foaming agent subsequently in component melts
It is blended, obtains polypropylene-base, then this polypropylene-base and foaming agent Shooting Technique are prepared fretting map high-strength polypropylene
Composite, prepared expanded material carries out performance test, and test result is shown in Table 1.
Embodiment 2
Weigh by weight: polypropylene 100 parts, 2,5-dimethyl-2,5-bis-(benzoylperoxy) hexane 0.006
Part, K resin 12 parts, the NaHCO of polyalkyl acrylate cladding3Foaming agent 3 parts, Pulvis Talci 10 parts, ethylene glycol, propylene glycol fatty
The foaming stabilizer of esters of gallic acid and barium stearate totally 3 parts, talcous size is 500 mesh.
First will add organic peroxide after polypropylene fusion, add its in addition to foaming agent subsequently in component melts
It is blended, obtains polypropylene-base, then this polypropylene-base and foaming agent Shooting Technique are prepared fretting map high-strength polypropylene
Composite, prepared expanded material carries out performance test, and test result is shown in Table 1.
Embodiment 3
Weigh by weight: polypropylene 100 parts, tert-butylperoxyiso-propyl monocarbonate 0.003 part, K resin 10 parts,
The NaHCO of polyurethane-modified organosilicon resin cladding3Foaming agent 5 parts, Pulvis Talci 15 parts, glycerol tetramethylolmethane, propylene glycol fatty
The foaming stabilizer of esters of gallic acid and calcium stearate totally 3 parts, talcous size is 3000 mesh.
First will add organic peroxide after polypropylene fusion, add its in addition to foaming agent subsequently in component melts
It is blended, obtains polypropylene-base, then this polypropylene-base and foaming agent Shooting Technique are prepared fretting map high-strength polypropylene
Composite, prepared expanded material carries out performance test, and test result is shown in Table 1.
Embodiment 4
Weighing by weight: polypropylene 100 parts, tert-butylperoxylaurate 0.001 part, K resin 10 parts, polyurethane changes
Property organosilicon resin cladding NaHCO3Foaming agent 2 parts, Pulvis Talci 8 parts, glycerol tetramethylolmethane, the bubble of methyl glycol fatty acid ester class
Hole stabilizer and calcium stearate totally 3 parts, talcous size is 5000 mesh.
First will add organic peroxide after polypropylene fusion, add its in addition to foaming agent subsequently in component melts
It is blended, obtains polypropylene-base, then this polypropylene-base and foaming agent Shooting Technique are prepared fretting map high-strength polypropylene
Composite, prepared expanded material carries out performance test, and test result is shown in Table 1.
Comparative example 1
Weighing by weight: polypropylene 100 parts, tert-butylperoxylaurate 0.001 part, K resin 10 parts, polyurethane changes
Property organosilicon resin cladding NaHCO3Foaming agent 2 parts, citric acid 5 parts, Pulvis Talci 8 parts, glycerol tetramethylolmethane, propylene glycol fatty
The foaming stabilizer of esters of gallic acid and calcium stearate totally 3 parts, talcous size is 5000 mesh.
First will add organic peroxide after polypropylene fusion, add its in addition to foaming agent subsequently in component melts
It is blended, obtains polypropylene-base, then this polypropylene-base and foaming agent Shooting Technique are prepared fretting map high-strength polypropylene
Composite, prepared expanded material carries out performance test, and test result is shown in Table 1.
Comparative example 2
Weigh by weight: polypropylene 100 parts, tert-butylperoxylaurate 0.001 part, polyurethane-modified organosilicon tree
The NaHCO of ester cladding3Foaming agent 2 parts, Pulvis Talci 8 parts, glycerol tetramethylolmethane, the foaming stabilizer of methyl glycol fatty acid ester class and
Calcium stearate totally 3 parts, talcous size is 5000 mesh.
First will add organic peroxide after polypropylene fusion, add its in addition to foaming agent subsequently in component melts
It is blended, obtains polypropylene-base, then this polypropylene-base and foaming agent Shooting Technique are prepared fretting map high-strength polypropylene
Composite, prepared expanded material carries out performance test, and test result is shown in Table 1.
Comparative example 3
Weighing by weight: polypropylene 100 parts, tert-butylperoxylaurate 0.001 part, K resin 10 parts, polyurethane changes
Property organosilicon resin cladding NaHCO3Foaming agent 2 parts, the Pulvis Talci 8 parts of polyurethane-modified organosilicon resin cladding, glycerol season
Penta tetrol, the foaming stabilizer of methyl glycol fatty acid ester class and calcium stearate totally 3 parts, talcous size is 5000 mesh.
First will add organic peroxide after polypropylene fusion, add its in addition to foaming agent subsequently in component melts
It is blended, obtains polypropylene-base, then this polypropylene-base and foaming agent Shooting Technique are prepared fretting map high-strength polypropylene
Composite, prepared expanded material carries out performance test, and test result is shown in Table 1.
Illustrate: in embodiment 1-4 and comparative example 1-3, polypropylene used is HOPP, and polyacrylic isotacticity
More than 97%, described polypropylene is according to ASTMD1238-99,230 DEG C/2.16kg of condition, and the solution flow rate of mensuration is 1-
10g/10min。
Comparative example 4
Weighing by weight: polypropylene 100 parts, tert-butylperoxylaurate 0.001 part, K resin 10 parts, polyurethane changes
Property organosilicon resin cladding NaHCO3Foaming agent 2 parts, Pulvis Talci 8 parts, glycerol tetramethylolmethane, the bubble of methyl glycol fatty acid ester class
Hole stabilizer and calcium stearate totally 3 parts, talcous size is 5000 mesh.
First will add organic peroxide after polypropylene fusion, add its in addition to foaming agent subsequently in component melts
It is blended, obtains polypropylene-base, then this polypropylene-base and foaming agent Shooting Technique are prepared fretting map high-strength polypropylene
Composite, prepared expanded material carries out performance test, and test result is shown in Table 1.
In this comparative example, polypropylene is COPP, and polypropylene is according to ASTMD1238-99, condition 230 DEG C/
2.16kg, the solution flow rate of mensuration is 20g/10min.
Performance test:
Table 1. embodiment and comparative example the performance test results
The cell diameter of the PP composite material of embodiment 1-4 is 10-100 μm, and is the closed pore of injection grade, abscess
It is evenly distributed, furthermore, embodiment 1-4 does not occurs the agglomeration of inorganic particle, inorganic particle disperses good in resin matrix
Good.As seen from Table 1, the PP composite material that present invention employs raw material economic and environment-friendly, that be easy to get prepared obtains excellence
Mechanical property and good outward appearance, in this formula not because add peroxide and cause product appearance jaundice, abnormal flavour etc.
Problem, reduces production cost, improves production efficiency.
Be can be seen that by comparative example 1 and embodiment 4, be not added with citric acid auxiliary agent, only use NaHCO3Feelings as foaming agent
Still obtain higher coefficient of foaming and excellent mechanical property under condition, comparative example 3 and embodiment 4 can be seen that, in this formula,
Use and the inorganic particle (Pulvis Talci) and comparative example 3 that unused organic polymer is coated with employs the inorganic of organic polymer cladding
Powder body (Pulvis Talci) all obtains good result, does not all occur reuniting, and appearance property is good.Comparative example 4 and embodiment 4 is had to see
Going out, in formula, the selection of pp material is bigger on the impact of product combination property.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and deformation, these improve and deformation
Also should be regarded as protection scope of the present invention.
Claims (6)
1. a fretting map High-strength polypropylene composite material, it is characterised in that count by weight, by including following components
Raw material is prepared from: polypropylene 100 parts, organic peroxide 0.001-0.01 part, K resin 10-15 part, and organic polymer is coated with
Inorganic foaming agent 1-5 part, Pulvis Talci 5-15 part, auxiliary agent 1-5 part, described auxiliary agent include surfactant, foaming stabiliser and
Thermal stabilizer, described talcous size is 100-5000 mesh.
A kind of fretting map High-strength polypropylene composite material the most according to claim 1, it is characterised in that described polypropylene
For HOPP, described polyacrylic isotacticity is more than 97%, described polypropylene according to ASTMD1238-99, condition 230 DEG C/
2.16 kg, the solution flow rate of mensuration is 1-10g/10min.
A kind of fretting map High-strength polypropylene composite material the most according to claim 1 and 2, it is characterised in that described nothing
Machine foaming agent is NaHCO3, in the inorganic foaming agent of organic polymer cladding, organic polymer is polyurethane-modified organosilicon tree
One or more in ester, polyalkyl acrylate or poly-hydroxy acrylate.
A kind of fretting map High-strength polypropylene composite material the most according to claim 3, it is characterised in that described organic mistake
Oxide is selected from tert-butylperoxylaurate, t-butyl peroxybenzoate, tert-butylperoxyiso-propyl monocarbonate, peroxidating two
Isopropylbenzene, 2,5-dimethyl-2,5-bis-(benzoylperoxy) hexane and 1,3-double (t-butylperoxyisopropyl)
The mixture of one or more in benzene.
A kind of fretting map High-strength polypropylene composite material the most according to claim 3, it is characterised in that live in described surface
Property agent be nonionic surfactant, described nonionic surfactant be selected from ethylene glycol or glycerol tetramethylolmethane, described non-from
The consumption of sub-surface activating agent is 0.01-0.1 part.
A kind of fretting map High-strength polypropylene composite material the most according to claim 1, it is characterised in that described fretting map
High-strength polypropylene composite material has following character:
According to ASTMD1238-99, condition 230 DEG C/2.16 kg, the solution flow rate >=40g/10min of mensuration, abscess is straight
Footpath 10-100 μm, fusing point >=152 DEG C recorded according to DIN EN ISO 3146 testing standard, according to lacking that ISO 180-A records
Mouth impact strength >=35 kJ/m2。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107522862A (en) * | 2017-08-23 | 2017-12-29 | 成都新柯力化工科技有限公司 | The polysiloxanes microballoon foaming agent and preparation method of a kind of expanded polypropylene plastics |
CN110305412A (en) * | 2019-07-22 | 2019-10-08 | 苏州润佳工程塑料股份有限公司 | A kind of chirality silicon dioxide fibre enhanced foaming PP composite material |
CN111592703A (en) * | 2020-05-18 | 2020-08-28 | 广德祥源新材科技有限公司 | Environment-friendly cross-linked polyolefin foam material and preparation method thereof |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107522862A (en) * | 2017-08-23 | 2017-12-29 | 成都新柯力化工科技有限公司 | The polysiloxanes microballoon foaming agent and preparation method of a kind of expanded polypropylene plastics |
CN110305412A (en) * | 2019-07-22 | 2019-10-08 | 苏州润佳工程塑料股份有限公司 | A kind of chirality silicon dioxide fibre enhanced foaming PP composite material |
CN110305412B (en) * | 2019-07-22 | 2021-04-23 | 苏州润佳工程塑料股份有限公司 | Chiral silica fiber reinforced foamed polypropylene composite material |
CN111592703A (en) * | 2020-05-18 | 2020-08-28 | 广德祥源新材科技有限公司 | Environment-friendly cross-linked polyolefin foam material and preparation method thereof |
CN111592703B (en) * | 2020-05-18 | 2022-08-16 | 广德祥源新材科技有限公司 | Environment-friendly cross-linked polyolefin foam material and preparation method thereof |
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