CN104945735A - Glass fiber reinforced polypropylene micro foaming material for electric tool and preparation method thereof - Google Patents
Glass fiber reinforced polypropylene micro foaming material for electric tool and preparation method thereof Download PDFInfo
- Publication number
- CN104945735A CN104945735A CN201510352034.1A CN201510352034A CN104945735A CN 104945735 A CN104945735 A CN 104945735A CN 201510352034 A CN201510352034 A CN 201510352034A CN 104945735 A CN104945735 A CN 104945735A
- Authority
- CN
- China
- Prior art keywords
- reinforced polypropylene
- foaming material
- fiber glass
- glass reinforced
- polypropylene micro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention relates to a polypropylene material and a preparation method thereof, in particular to a glass fiber reinforced polypropylene micro foaming material for an electric tool and a preparation method thereof, which belong to the technical field of high polymer materials. The glass fiber reinforced polypropylene micro foaming material for the electric tool comprises components with part by weight: polypropylene 40-80 parts, compatilizer 2-5 parts, glass fibers 10-50 parts, microcellular foaming composite additives 2-15 parts, foaming agents 0.5-5 parts and antioxidant 0.2-2 parts. The glass fiber reinforced polypropylene micro foaming material for the electric tool and the preparation method thereof reduce weight of workpieces by adopting micro foam injection molding technology under the premise that the mechanical property of glass-fiber reinforced polypropylene is guaranteed not to loss, improves portability, and obviously reduces production cost. Simultaneously, the glass fiber reinforced polypropylene micro foaming material for the electric tool and the preparation method thereof obviously improve surface quality of polypropylene foam materials by adopting microcellular foaming composite additives, solves the problems that the surface of the workpieces are dazzled and have gas marks and the like when shells of tools are injected, and meets the appliance demands in the field of electric tools. The glass fiber reinforced polypropylene micro foaming material for the electric tool and the preparation method thereof also can be used for other fields such as automobiles, buildings, electron and shipbuilding and the like.
Description
Technical field
The present invention relates to a kind of polypropylene composite material and preparation method thereof, especially a kind of power tool fiber glass reinforced polypropylene micro foaming composite material and preparation method thereof, belongs to technical field of polymer materials.
Background technology
Fiber glass reinforced polypropylene micro-foaming material has exclusive dense skin and foam core structure, its feature is exactly under the prerequisite ensureing original modified polypropylene material mechanical property, reduce material usage, significantly alleviate part weight, for substituting solid injectable plastic material, reduce production cost, enhance productivity.In recent years, along with electric power tool shell plastic process is constantly accelerated, modified polypropene consumption rises year by year, has lightweight, the polypropylene micro-foaming material of low cost feature has broad prospect of application in field of power tools, enjoy enterprise inside the circle to pay close attention to.
Such as, but the defects such as injection moulding micro-foaming material ubiquity article surface is of poor quality, grow dim in a large amount of gas trace, skin lamination, surface, and this seriously constrains the application of fiber glass reinforced polypropylene micro-foaming material on the electric power tool shell having surface quality requirements.Up to now, effective ways are not had can to solve this technical barrier.
Summary of the invention
Problem to be solved: the present invention adopts injection moulding fretting map technology, under guarantee fiber glass reinforced polypropylene material mechanical property does not lose prerequisite substantially, alleviates part weight, improves instrument portability, significantly reduce production cost; Simultaneously, by adopting microporous foam composite assistant, the obvious surface quality improving fiber glass reinforced polypropylene micro-foaming material, essentially eliminate that product surface grows dim, gas trace and skin lamination phenomenon, obtain excellent performance, there is the power tool fiber glass reinforced polypropylene micro-foaming material of lightweight feature, and the preparation method of this material is provided.Technique is simple, and production cost is low, and efficiency is high, be easy to realize industrialization.
The present invention is technical solution problem by the following technical programs:
The special microporous foam composite assistant of a kind of power tool fiber glass reinforced polypropylene micro-foaming material, by weight fraction be the vinyl polymer of 40%-52%, 20%-30% styrene-based polymer, 15-20% help appearance agent, 10-15% nucleator forms.
Further, the special microporous foam composite assistant of described a kind of power tool fiber glass reinforced polypropylene micro-foaming material, described vinyl polymer is the one in high density polyethylene(HDPE), Low Density Polyethylene, linear low density polyethylene, ethylene-vinyl acetate copolymer, Ethylene-Propylene-Diene based terpolymers; Styrene-based polymer is the one in polystyrene, styrene-butadiene-styrol copolymer, the fine multipolymer of styrene-propene, styrene-acrylate; Help that to hold agent be one in acrylic acid-grafted polyolefin-type, cyclic acid anhydride type, epoxy type; Nucleator is the one in benzoate, organic phosphate, glucitols, silicon-dioxide, talcum powder, polynite.
A kind of power tool fiber glass reinforced polypropylene micro-foaming material, raw material is made up of the component of following weight part:
Polypropylene 40-80 part
Compatilizer 2-5 parts
Microporous foam composite assistant 3-10 part
Glass fibre 10-50 part
Whipping agent 0.5-5 part
Oxidation inhibitor 0.2-2 part.
Further, described polyacrylic melting index is 3-60g/10min.
Further, described compatilizer maleic anhydride stem grafting polyolefin analog copolymer.
Further, described whipping agent is bicarbonate of ammonia, sodium bicarbonate, Cellmic C 121, toluene sulfonephthalein amino rise abruptly, one in azo two amine carbonate, preferred Cellmic C 121.
Further, described oxidation inhibitor is divided into primary antioxidant and auxiliary anti-oxidant, and add according to the ratio of 2:3, described primary antioxidant is selected from the one in Hinered phenols and sulphur ester antioxidant, and preferred main anti-oxidant is 1010; Auxiliary anti-oxidant agent is selected from the one in phosphorous acid salt and phosphite ester kind antioxidant, and preferred auxiliary antioxidant is 168.
The preparation method of described a kind of power tool fiber glass reinforced polypropylene micro-foaming material, comprises the following steps:
(1) by polypropylene 40-80 part, compatilizer 2-5 part, glass fibre 10-50 part, microporous foam composite assistant 3-10 part, oxidation inhibitor 0.2-2 part put into high-speed mixer mixing 3-6min, then said components mixture is extruded in twin screw extruder and granulation, obtain modified polypropylene composite material;
(2) the modified polypropylene composite material 95-99.5 part obtained in step (1), whipping agent 0.5-5 part are put into mixing machine and mixed, obtain uniform mixture;
(3) mixture obtained in above-mentioned steps (2) is joined in injection moulding machine, injection moulding obtains the fiber glass reinforced polypropylene micro-foaming material with skinning structure, injecting machine material tube temperature 200-280 DEG C, injection pressure is 40-80MPa, injection speed is 40-80mm/s, and cooling time is 10-30s;
Further, in described step (1), twin-screw extruder barrel temperature is 180-260 DEG C, screw speed 500r/min.
Beneficial effect:
Raw material sources of the present invention are extensive, with low cost, and product realizes by common injection machine, simple to operate.Under adopting injection moulding fretting map technology to realize fiber glass reinforced polypropylene material lightweight prerequisite, by microporous foam composite assistant, significantly improve the surface quality of fiber glass reinforced polypropylene micro-foaming material, solve serious surface quality problems such as all the time perplexing article surface when polypropylene micro-foaming material is applied on power tool grows dim, gas trace, obtain excellent performance, there is the fiber glass reinforced polypropylene micro-foaming material of lightweight feature.Product not only can be applied to power tool, garden instrument shell etc.; Also can be used for other field, such as automobile, building, electronics, shipbuilding etc.
The special microporous foam composite assistant of 1 power tool fiber glass reinforced polypropylene micro-foaming material can significantly improve the repair ability again of body in fretting map process.Microporous foam composite assistant moiety easily obtains, and cost is low, is applicable to industrialized production.
2 one kinds of power tool fiber glass reinforced polypropylene micro-foaming materials use microporous foam composite assistant, the polypropylene material produced adopts injection moulding fretting map technology under guarantee fiber glass reinforced polypropylene material mechanical property does not lose prerequisite substantially, alleviate part weight, raising instrument portability, reduce production cost, significantly improve the surface quality of fiber glass reinforced polypropylene micro-foaming material, solve perplex that article surface when polypropylene micro-foaming material is applied on power tool grows dim all the time, the serious surface quality problems such as gas trace and skin lamination phenomenon.Product has excellent dimensional stability, can according to different demand, and adjustment formula rate is implemented industrialization and reduced material usage, reaches required target capabilities.
3 one kinds of preferred polyacrylic melting index of power tool fiber glass reinforced polypropylene micro-foaming material are 3-60g/10min, the adaptive existing installation of this scope and instrument, the material described in can directly producing, saves production cost, multi-threadly can produce, quantize to produce.
Whipping agent described in 4, oxygenant is easily to buy on the market and obtains, and with low cost, is applicable to industrialized production.
The preparation method of a kind of power tool fiber glass reinforced polypropylene micro-foaming material described in 5, creationaryly with the addition of microporous foam composite assistant, and the polypropylene micro-foaming material surface quality produced is high, then repair ability is good.Technical solution of the present invention technique is simple, and efficiency is high, and the process-cycle obviously shortens, and significantly reduces production cost, and and applicable existing installation, do not need to improve production line Louis separately in realizing industrialization.
Embodiment
Embodiment one
It is the polypropylene 40 parts of 60g/10min by melting index, compatilizer 2 parts, 42 parts, glass fibre, (its composition comprises 9 parts of microporous foam composite assistants: 40% vinyl polymer, 30% styrene-based polymer, 20% helps appearance agent, 10% nucleator, described vinyl polymer is ethylene-vinyl acetate copolymer, described styrene-based polymer is styrene-butadiene-styrol copolymer, described helps appearance agent to be cyclic acid anhydride type, described nucleator is polynite), described compatilizer is maleic anhydride stem grafting polyolefin analog copolymer, secondary oxidizer is irgasfos 168 tricresyl phosphite (2, 4-di-tert-butyl-phenyl) ester 1.2 parts, primary oxidant is antioxidant 1010 four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, the oxidant mixture of 0.8 part puts into high-speed mixer, mix 6 minutes, then, said components mixture is extruded in twin screw extruder and granulation.Twin-screw extruder barrel temperature is set to 180-260 DEG C, screw speed 500r/min; Finally mixed with 95 parts of above-mentioned pellets of extruding by 5 parts of whipping agents, described whipping agent is Cellmic C 121, adds in injection moulding machine, and injection moulding obtains power tool fiber glass reinforced polypropylene micro foaming composite material.Injecting machine material tube temperature is set to 200-280 DEG C, and injection pressure is 70MPa, and injection speed is 60mm/s, and cooling time is 15s.The contrast of gained composite property is as shown in the table:
Table 1 embodiment one and the fiber glass reinforced polypropylene material performance comparison that do not foam
| Test item | Standard | Do not foam | Embodiment one |
| Density/g/cm 3 | ISO 1183 | 1.27 | 1.10 |
| Tensile strength/MPa | ISO 527 | 102.1 | 97.2 |
| Modulus in flexure/MPa | ISO 178 | 8500 | 8700 |
| Simply supported beam unnotched impact strength/kJ/m 2 | ISO 180 | 45 | 47 |
| Heat-drawn wire/DEG C | ISO 75 | 150 | 151 |
Embodiment two
Be the polypropylene 80 parts of 26g/10min, compatilizer 5 parts by melting index, 10 parts, glass fibre, (its composition comprises 4.3 parts of microporous foam composite assistants: vinyl polymer, 25% styrene-based polymer, 20% of 40% help appearance agent, 15% nucleator, described vinyl polymer is linear low density polyethylene, described styrene-based polymer is the fine multipolymer of styrene-propene, described helps appearance agent to be acrylic acid-grafted polyolefin-type, and described nucleator is talcum powder); Described compatilizer is maleic anhydride stem grafting polyolefin analog copolymer; Described auxiliary anti-oxidant is phosphite ester kind antioxidant 0.12 part, primary antioxidant is sulphur ester antioxidant 0.08 part;
Said mixture is put into high-speed mixer, mixes 3 minutes, then, said components mixture is extruded in twin screw extruder and granulation.Twin-screw extruder barrel temperature is set to 180-260 DEG C, screw speed 500r/min; Finally mixed with 99.5 parts of above-mentioned pellets of extruding by 0.5 part of whipping agent, described whipping agent is sodium bicarbonate, adds in injection moulding machine, and injection moulding obtains great surface quality polypropylene micro foaming composite material.Injecting machine material tube temperature is set to 200-280 DEG C, and injection pressure is 50MPa, and injection speed is 80mm/s, and cooling time is 30s.The contrast of gained composite property is as shown in the table:
Table 2 embodiment two and the fiber glass reinforced polypropylene material performance comparison that do not foam
| Test item | Standard | Do not foam | Embodiment two |
| Density/g/cm 3 | ISO 1183 | 0.98 | 0.93 |
| Tensile strength/MPa | ISO 527 | 47.2 | 43.2 |
| Modulus in flexure/MPa | ISO 178 | 2400 | 2500 |
| Simply supported beam unnotched impact strength/kJ/m 2 | ISO 180 | 36 | 38 |
| Heat-drawn wire/DEG C | ISO 75 | 132 | 131 |
Embodiment three
It is the polypropylene 50 parts of 40g/10min by melting index, compatilizer 3 parts, 30 parts, glass fibre, (its composition comprises 10 parts of microporous foam composite assistants: 42% vinyl polymer, 28% styrene-based polymer, 15% helps appearance agent, 15% nucleator, described vinyl polymer is Ethylene-Propylene-Diene based terpolymers, described styrene-based polymer is the fine multipolymer of styrene-propene, described helps appearance agent to be epoxy type, described nucleator is glucitols), described compatilizer is maleic anhydride stem grafting polyolefin analog copolymer, described auxiliary anti-oxidant is phosphorous acid salt 1.2 parts, primary antioxidant is that the mixture of hindered phenol anti-oxidants 0.8 part puts into high-speed mixer, mix 3 minutes, then, said components mixture is extruded in twin screw extruder and granulation.Twin-screw extruder barrel temperature is set to 180-260 DEG C, screw speed 500r/min; Finally mixed with 95 parts of above-mentioned pellets of extruding by 5 parts of whipping agents, described whipping agent is that toluene sulfonephthalein amino rises abruptly, and add in injection moulding machine, injection moulding obtains great surface quality polypropylene micro foaming composite material.Injecting machine material tube temperature is set to 200-280 DEG C, and injection pressure is 80MPa, and injection speed is 70mm/s, and cooling time is 30s.The contrast of gained composite property is as shown in the table:
Table 3 embodiment three and the fiber glass reinforced polypropylene material performance comparison that do not foam
| Test item | Standard | Do not foam | Embodiment three |
| Density/g/cm 3 | ISO 1183 | 1.16 | 1.02 |
| Tensile strength/MPa | ISO 527 | 72.2 | 68.6 |
| Modulus in flexure/MPa | ISO 178 | 5600 | 5800 |
| Simply supported beam unnotched impact strength/kJ/m 2 | ISO 180 | 57 | 60 |
| Heat-drawn wire/DEG C | ISO 75 | 152 | 153 |
Embodiment four
It is the polypropylene 40 parts of 3g/10min by melting index, 50 parts, glass fibre, compatilizer 2 parts, (its composition comprises 3 parts of microporous foam composite assistants: 48% vinyl polymer, 27% styrene-based polymer, 17.5% helps appearance agent, 12.5% nucleator, described vinyl polymer is ethylene-vinyl acetate copolymer, described styrene copolymer is styrene-acrylic copolymer, described helps appearance agent to be acrylic acid-grafted polyolefin-type, described nucleator is benzoate), described compatilizer is maleic anhydride stem grafting polyolefin analog copolymer, described auxiliary anti-oxidant is phosphorous acid salt 0.9 part, described primary antioxidant is that the mixture of sulphur ester antioxidant 0.6 part puts into high-speed mixer, mix 5 minutes, then, said components mixture is extruded in twin screw extruder and granulation.Twin-screw extruder barrel temperature is set to 180-260 DEG C, screw speed 500r/min; Finally mixed with 96.5 parts of above-mentioned pellets of extruding by 3.5 parts of whipping agents, described whipping agent is that toluene sulfonephthalein amino rises abruptly, and add in injection moulding machine, injection moulding obtains great surface quality polypropylene micro foaming composite material.Injecting machine material tube temperature is set to 200-280 DEG C, and injection pressure is 40MPa, and injection speed is 40mm/s, and cooling time is 10s.The contrast of gained composite property is as shown in the table:
Table 4 embodiment four and the fiber glass reinforced polypropylene material performance comparison that do not foam
| Test item | Standard | Do not foam | Embodiment four |
| Density/g/cm 3 | ISO 1183 | 1.36 | 1.17 |
| Tensile strength/MPa | ISO 527 | 105.2 | 102.3 |
| Modulus in flexure/MPa | ISO 178 | 10400 | 10600 |
| Simply supported beam unnotched impact strength/kJ/m 2 | ISO 180 | 38 | 36 |
| Heat-drawn wire/DEG C | ISO 75 | 155 | 158 |
As can be seen from above embodiment and non-foaming modification polypropylene material performance comparison, the present invention adopts injection moulding fretting map technology, under guarantee fiber glass reinforced polypropylene material mechanical property does not lose prerequisite substantially, significantly reduces product weight, reduce material usage, significantly reduce production cost; Simultaneously, adopt built-up type microporous foam composite assistant, intimate consistent great surface quality visual with the fiber glass reinforced polypropylene material that do not foam can be obtained, eliminate the problems such as polypropylene fretting map product surface grows dim, gas trace, existing solid injection moulding modified polypropylene material can be substituted in the application of housing of electric tool, improve instrument portability, reduce costs.Another feature of the present invention obviously shortens the process-cycle, also can reduce production cost, enhance productivity.Product has excellent dimensional stability.In addition, can according to different demand, adjustment formula rate, reaches required target capabilities, reduces material usage.
This product realizes by common Shooting Technique, simple to operate, practical.Product, except being applicable to housing of electric tool product, also can be used for the industry fields such as garden instrument, automobile building, electronics, sports equipment.
The foregoing is only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in technical scope of the present invention, and the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.
Claims (9)
1. the special microporous foam composite assistant of power tool fiber glass reinforced polypropylene micro-foaming material, it is characterized in that: by weight fraction be the vinyl polymer of 40%-52%, 20%-30% styrene-based polymer, 15-20% help appearance agent, 10-15% nucleator forms.
2. the special microporous foam composite assistant of a kind of power tool fiber glass reinforced polypropylene micro-foaming material according to claim 1, is characterized in that: described vinyl polymer is the one in high density polyethylene(HDPE), Low Density Polyethylene, linear low density polyethylene, ethylene-vinyl acetate copolymer, Ethylene-Propylene-Diene based terpolymers; Styrene-based polymer is the one in polystyrene, styrene-butadiene-styrol copolymer, the fine multipolymer of styrene-propene, styrene-acrylate; Help that to hold agent be one in acrylic acid-grafted polyolefin-type, cyclic acid anhydride type, epoxy type; Nucleator is the one in benzoate, organic phosphate, glucitols, silicon-dioxide, talcum powder, polynite.
3. a power tool fiber glass reinforced polypropylene micro-foaming material, is characterized in that, raw material is made up of the component of following weight part:
Polypropylene 40-80 part
Compatilizer 2-5 parts
Microporous foam composite assistant 3-10 part
Glass fibre 10-50 part
Whipping agent 0.5-5 part
Oxidation inhibitor 0.2-2 part.
4. power tool fiber glass reinforced polypropylene micro-foaming material according to claim 3, is characterized in that: described polyacrylic melting index is 3-60g/10min.
5. power tool fiber glass reinforced polypropylene micro-foaming material according to claim 3, is characterized in that: described compatilizer maleic anhydride stem grafting polyolefin analog copolymer.
6. power tool fiber glass reinforced polypropylene micro-foaming material according to claim 3, it is characterized in that: described whipping agent is bicarbonate of ammonia, sodium bicarbonate, Cellmic C 121, toluene sulfonephthalein amino rise abruptly, one in azo two amine carbonate, and described whipping agent is Cellmic C 121.
7. power tool fiber glass reinforced polypropylene micro-foaming material according to claim 3, it is characterized in that: described oxidation inhibitor is divided into primary antioxidant and auxiliary anti-oxidant, add according to the ratio of 2:3, described primary antioxidant is selected from the one in Hinered phenols and sulphur ester antioxidant, and described main anti-oxidant is 1010; Auxiliary anti-oxidant agent is selected from the one in phosphorous acid salt and phosphite ester kind antioxidant, and described auxiliary antioxidant is 168.
8., according to claim 3-7, the preparation method of arbitrary power tool fiber glass reinforced polypropylene micro-foaming material, comprises the following steps:
By polypropylene 40-80 part, compatilizer 2-5 part, glass fibre 10-50 part, microporous foam composite assistant 3-10 part, oxidation inhibitor 0.2-2 part put into high-speed mixer mixing 3-6min, then said components mixture is extruded in twin screw extruder and granulation, obtain modified polypropylene composite material;
The modified polypropylene composite material 95-99.5 part obtained in step (1), whipping agent 0.5-5 part are put into mixing machine and mixed, obtains uniform mixture;
The mixture obtained in above-mentioned steps (2) is joined in injection moulding machine, injection moulding obtains the fiber glass reinforced polypropylene micro-foaming material with skinning structure, injecting machine material tube temperature 200-280 DEG C, and injection pressure is 40-80MPa, injection speed is 40-80mm/s, and cooling time is 10-30s.
9. the power tool preparation method of fiber glass reinforced polypropylene micro-foaming material according to claim 8, it is characterized in that: in described step (1), twin-screw extruder barrel temperature is 180-260 DEG C, screw speed 500r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352034.1A CN104945735B (en) | 2015-06-24 | 2015-06-24 | A kind of electric tool fiber glass reinforced polypropylene micro-foaming material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352034.1A CN104945735B (en) | 2015-06-24 | 2015-06-24 | A kind of electric tool fiber glass reinforced polypropylene micro-foaming material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104945735A true CN104945735A (en) | 2015-09-30 |
| CN104945735B CN104945735B (en) | 2018-04-20 |
Family
ID=54160837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510352034.1A Active CN104945735B (en) | 2015-06-24 | 2015-06-24 | A kind of electric tool fiber glass reinforced polypropylene micro-foaming material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104945735B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504509A (en) * | 2016-01-05 | 2016-04-20 | 苏州润佳工程塑料股份有限公司 | Wall-shrink-resisting modified polypropylene material |
| CN109233112A (en) * | 2017-07-10 | 2019-01-18 | 合肥杰事杰新材料股份有限公司 | A kind of foaming automobile inside gadget material and preparation method thereof |
| CN110105673A (en) * | 2019-02-03 | 2019-08-09 | 南京聚隆科技股份有限公司 | Automobile-used wear-resisting plant fiber reinforced polypropylene micro-foaming material of one kind and preparation method thereof |
| CN113831632A (en) * | 2020-06-24 | 2021-12-24 | 合肥杰事杰新材料股份有限公司 | Foamed polypropylene sheet and preparation method thereof |
| CN115960415A (en) * | 2022-12-30 | 2023-04-14 | 武汉金发科技有限公司 | Micro-foaming reinforced polyolefin composite material and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140591A (en) * | 2014-07-24 | 2014-11-12 | 南京聚隆科技股份有限公司 | Highly filled micro foamed polypropylene composite material and preparation method thereof |
-
2015
- 2015-06-24 CN CN201510352034.1A patent/CN104945735B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140591A (en) * | 2014-07-24 | 2014-11-12 | 南京聚隆科技股份有限公司 | Highly filled micro foamed polypropylene composite material and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 孙晓辉: "聚丙烯/高密度聚乙烯共混物超临界流体的微孔发泡", 《塑料》 * |
| 王建康 等: "聚丙烯/聚乙烯共混物超临界流体微孔发泡中黏弹性对泡孔结构的影响", 《塑料》 * |
| 王明义 等: "PP/PS/nano-clay超临界CO2 连续挤出发泡成型研究", 《塑料工业》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504509A (en) * | 2016-01-05 | 2016-04-20 | 苏州润佳工程塑料股份有限公司 | Wall-shrink-resisting modified polypropylene material |
| CN109233112A (en) * | 2017-07-10 | 2019-01-18 | 合肥杰事杰新材料股份有限公司 | A kind of foaming automobile inside gadget material and preparation method thereof |
| CN110105673A (en) * | 2019-02-03 | 2019-08-09 | 南京聚隆科技股份有限公司 | Automobile-used wear-resisting plant fiber reinforced polypropylene micro-foaming material of one kind and preparation method thereof |
| CN113831632A (en) * | 2020-06-24 | 2021-12-24 | 合肥杰事杰新材料股份有限公司 | Foamed polypropylene sheet and preparation method thereof |
| CN115960415A (en) * | 2022-12-30 | 2023-04-14 | 武汉金发科技有限公司 | Micro-foaming reinforced polyolefin composite material and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104945735B (en) | 2018-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104945735A (en) | Glass fiber reinforced polypropylene micro foaming material for electric tool and preparation method thereof | |
| CN101875746B (en) | Styrene series non-halogen flame retardant injection-grade wood plastic composite and preparation method thereof | |
| CN102952336B (en) | Active basic magnesium sulfate whisker modified polypropylene composite material and preparation method thereof | |
| CN101864118B (en) | Styrene-based non-halogen flame-retardant injection-grade wood-plastic composite material and preparation method thereof | |
| CN103992561B (en) | A kind of polyolefin masterbatch prepares the method for pipe fitting | |
| CN104292654B (en) | Impact-resistant high-melt-index high-rigidity polypropylene composite material | |
| CN105001509B (en) | A kind of great surface quality polypropylene micro-foaming material and preparation method thereof | |
| CN100425652C (en) | High-performance reinforced fire-retardant polyster engineering plastic | |
| CN101831112A (en) | Halogen-free flame-retardant type injection molding-class polyolefin wood plastic composite material and preparation method thereof | |
| CN101851362A (en) | Halogen-free flame-retardant polyolefin injection-grade wood-plastic composite and preparation method thereof | |
| CN103030883A (en) | Polypropylene composite material capable of quick injection molding and preparation method thereof | |
| CN104140591A (en) | Highly filled micro foamed polypropylene composite material and preparation method thereof | |
| CN102850650A (en) | Basalt fiber reinforced polypropylene composite material and preparation method thereof | |
| CN103804737B (en) | A kind of foamable rubber grain | |
| CN103589060B (en) | Fiber glass reinforced polypropylene/polystyrene alloy matrix material and preparation and application thereof | |
| CN105037929B (en) | A kind of great surface quality lightweight exempts from spray coating polypropylene material and preparation method thereof | |
| CN110317399B (en) | Expanded flame-retardant polypropylene lightweight material and continuous extrusion foaming preparation method thereof | |
| CN104448563A (en) | Carbon fiber reinforced polypropylene micro-foaming material and preparation method thereof | |
| CN103756124A (en) | Polypropylene foaming material, production and preparation method of product | |
| CN104086896A (en) | Low-shrinkage high-weatherproofness polypropylene composite material for shell of electric tool | |
| CN105504528A (en) | Polypropylene composite material capable of realizing light weight and with low linear expansion coefficient and preparation method thereof | |
| CN102079841A (en) | High-flowability impact-resistant polypropylene composite and preparation method thereof | |
| CN102532720A (en) | Micro-foaming polypropylene composite material and preparation method thereof | |
| CN103554656A (en) | Polypropylene composite material used for preparation of automobile bottom guard board by LFT-D technology | |
| CN104231437A (en) | Vehicle interior decorative part polypropylene composition and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |