CN103739957A - Shape memory polypropylene composite material for automobile bumpers and preparation method thereof - Google Patents

Shape memory polypropylene composite material for automobile bumpers and preparation method thereof Download PDF

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Publication number
CN103739957A
CN103739957A CN201310754465.1A CN201310754465A CN103739957A CN 103739957 A CN103739957 A CN 103739957A CN 201310754465 A CN201310754465 A CN 201310754465A CN 103739957 A CN103739957 A CN 103739957A
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shape memory
composite material
polypropylene composite
temperature
district
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Inventor
陈延安
孙刚
李国明
程文超
李志平
周英辉
张超
赵斌
张引龙
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Shanghai Kingfa Science and Technology Co Ltd
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Shanghai Kingfa Science and Technology Co Ltd
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/926—Flow or feed rate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92933—Conveying, transporting or storage of articles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/12—Shape memory
    • 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
    • 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
    • C08L2205/05—Polymer mixtures characterised by other features containing polymer components which can react with one another
    • 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
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention belongs to the technical field of polymer materials and particularly relates to a shape memory polypropylene composite material for automobile bumpers and a preparation method thereof. The material comprises the following raw materials in percentage by weight: 34-80% of polypropylene, 5-20% of ethylene-octene copolymer, 5-20% of talcum powder, 5-20% of nylon resin, 3-15% of compatibilizer and 0-1% of heat stabilizer. The shape memory polypropylene composite material for the automobile bumpers can be used as a special composite material for the automobile bumpers; and once the shape memory polypropylene composite material deforms due to external stress, the deformation can be restored by heating the shape memory polypropylene composite material to be above the melting point of the polypropylene, and the shape memory performance is excellent. Furthermore, the shape memory polypropylene composite material for the automobile bumpers further has excellent mechanical properties and heat resistance.

Description

Shape memory polypropylene composite material and preparation method thereof for a kind of bumper
Technical field
The invention belongs to technical field of polymer materials, particularly shape memory polypropylene composite material and preparation method thereof for a kind of bumper.
Background technology
Shape memory high molecule material can pass through the additional stimulations such as heat, chemistry, machinery, light, magnetic or electricity, and trigger material and make response, thus the technical parameter of change material, i.e. shape, position, strains etc., make it be returned to rapidly original shape.Shape memory high molecule material development is in the last few years advanced by leaps and bounds, and wherein thermal shape memory macromolecular material is emphasis wherein.Macromolecular material will reach shape memory function, must there is stationary phase and can two kinds of phases of anti-phase, when shapememory polymer produces deformation, rising temperature, molecule segment that can anti-phase starts to thaw, the deformation producing is returned to initial state under the effect of internal stress, and stationary phase now plays a part physical crosslinking point solid shape.
The cost compare of shape memory high molecule material is high, if inexpensive resins for universal use is developed to shape memory resin, by reducing the cost of shape memory high development material, is conducive to application and the popularization of shape memory high development material so.
Polypropylene is one of five large resins for universal use, and it has the features such as source is abundant, machine-shaping is easy, mechanical property is excellent, becomes bumper and applies one of maximum material.But bumper in use stands external impacts unavoidably, produces sometimes non-response distortion, now collision bumper is can recovery characteristic particularly important.Polyacrylic melt temperature is 165 ℃ of left and right, want to give polypropylene shape memory function by blending and modifying, must make the melt temperature of the second phase considerably beyond 165 ℃, and nylon 6(PA6) fusing point is 220 ℃, nylon 66(PA66) fusing point is 260 ℃, is the ideal material of giving polypropylene shape memory effect.
Summary of the invention
The object of this invention is to provide a kind of bumper shape memory polypropylene composite material, there is excellent mechanical property, resistance toheat and shape-memory properties, the deformation producing under External Force Acting can be replied by heating, and has met the requirement of automobile bumper material to shape memory.
Another object of the present invention is for the preparation method of above-mentioned bumper by shape memory polypropylene composite material is provided.
Object of the present invention can be achieved through the following technical solutions:
A bumper shape memory polypropylene composite material, is characterized in that: the raw material that comprises the following meter of percentage ratio by weight:
Figure BDA0000451471640000021
Described nylon resin is one or both in nylon 6 or nylon 66.
The melt flow rate (MFR) of described acrylic resin is 5-100g/10min.
Described compatilizer is selected from one or several the mixture in maleic anhydride inoculated polypropylene, maleic anhydride grafted ethene-propylene copolymer, maleic anhydride grafted ethene-propylene-butadiene copolymer, maleic anhydride grafted ethene-octene copolymer, maleic anhydride graft hydrogenated styrene-butadiene-styrene multipolymer, maleic anhydride graft hydrogenated styrene-isoprene-styrol copolymer and ethylene-acrylate-copolymer-maleic anhydride.
Described thermo-stabilizer is one or both the mixture in Hinered phenols or phosphorous acid ester type thermal stabilizing agent.
Preferably, the weight ratio of described Hinered phenols thermo-stabilizer and described phosphorous acid ester type thermal stabilizing agent is 1:1-2.
Preferably, described Hinered phenols antioxidant is four [β-(3,5-di-tert-butyl-4-hydroxy phenyl) propionic acid] pentaerythritol ester, and described phosphorous acid ester type thermal stabilizing agent is three (2,4-di-tert-butyl-phenyl) phosphorous acid ester.
The method of shape memory polypropylene composite material for above-mentioned bumper, comprises the steps:
(1) by proportioning, weigh various raw materials;
(2) polypropylene, ethylene-octene copolymer, talcum powder, nylon resin, compatilizer and stablizer are added and in twin screw extruder, melt extrude granulation.
The length-to-diameter ratio of described twin screw extruder is 36-44:1.Preferably, the length-to-diameter ratio of described twin screw extruder is 40:1.
The processing conditions of described twin screw extruder is, district's temperature is 220-240 ℃, and two district's temperature are 230-250 ℃, and three district's temperature are 250-260 ℃, and four district's temperature are 250-270 ℃, and five district's temperature are 260-280 ℃, and six district's temperature are 270-290 ℃.
The present invention adopts PA6 or PA66 to react and extrude blending and modifying with polypropylene, has given the characteristic of polypropylene shape memory, has successfully prepared a kind of bumper dedicated shape memory polypropylene composite material; The effect of the compatilizer in the present invention is that linked reaction occurs polar group and the functional group in PA6 or PA66 molecule in compatilizer molecule, increases the consistency of polypropylene and PA6 or PA66; The effect of POE is to give the normal temperature of bumper material excellence and low temperature impact properties; Talcous effect is the thermotolerance that improves bumper material; Adopt two kinds of thermo-stabilizer compound systems, the degraded that can suppress to produce in the course of processing.
The invention has the beneficial effects as follows:
1, described bumper shape memory polypropylene composite material, can be used as bumper composite material special, once because external stress has produced deformation, more than being heated to polyacrylic fusing point, deformation just can be replied, and recovery of shape rate >=95%, recovery of shape temperature≤175 ℃, recovery of shape time of response≤100S, shape-memory properties is excellent.
2, described bumper also has excellent mechanical property and resistance toheat by shape memory polypropylene composite material
3, described bumper, raw material simple by the preparation method of shape memory polypropylene composite material is easy to get, and cost is low, and the controllability of complete processing is strong.
Embodiment
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
By 70.8 kilograms of PP(K9017), 5 kilograms of POE(DF610), 10 kilograms of talcum powder (3000 order), 10 kilograms of PA6 (Volgamid25), 4 kilograms of polypropylene grafted maleic anhydrides (Bondyram1001CN), 1010,0.1 kilogram of thermo-stabilizer 168 of 0.1 kilogram of thermo-stabilizer all join melting mixing in the twin screw extruder that length-to-diameter ratio is 40:1 and disperse, extruding pelletization, finally obtains product.
The processing conditions of twin screw extruder is: 230 ℃ of district's temperature, two 240 ℃ of district's temperature, three 260 ℃ of district's temperature, four 260 ℃ of district's temperature, five 270 ℃ of district's temperature, six 280 ℃ of district's temperature.
Concrete test result is as shown in table 1:
Table 1
Test event Unit Testing standard Test result
Tensile yield strength MPa ISO?527-2/5A/50 20.7
Elongation at break % ISO?527-2/5A/50 270
Notched Izod impact strength (23 ℃) KJ/m2 ISO?180/1A 47
Modulus in flexure MPa ISO?178 1410
Heat-drawn wire (0.45MPa) ℃ ISO?75 95
Deformation-recovery rate % / 97
Deformation recovery temperature ℃ / 171
The deformation recovery time of response S / 77
Embodiment 2
By 61.5 kilograms of PP(SP179), 12 kilograms of POE(7447), 15 kilograms of talcum powder (3000 order), 5 kilograms of PA66 (Volgamid27), 6 kilograms of ethylene-octene copolymer grafted maleic anhydrides (4930D), 1010,0.3 kilogram of thermo-stabilizer 168 of 0.2 kilogram of thermo-stabilizer all join melting mixing in the twin screw extruder that length-to-diameter ratio is 40:1 and disperse, extruding pelletization, finally obtains product.
The processing conditions of twin screw extruder is: 230 ℃ of district's temperature, two 240 ℃ of district's temperature, three 260 ℃ of district's temperature, four 260 ℃ of district's temperature, five 270 ℃ of district's temperature, six 280 ℃ of district's temperature.
Concrete test result is as shown in table 2:
Table 2
Test event Unit Testing standard Test result
Tensile yield strength MPa ISO?527-2/5A/50 19.8
Elongation at break % ISO?527-2/5A/50 220
Notched Izod impact strength (23 ℃) KJ/m2 ISO?180/1A 49
Modulus in flexure MPa ISO?178 1658
Heat-drawn wire (0.45MPa) ℃ ISO?75 93
Deformation-recovery rate % / 96
Deformation recovery temperature ℃ / 169
The deformation recovery time of response S / 79
Embodiment 3
By 34 kilograms of PP(K9026), 12 kilograms of POE(8842), 20 kilograms of talcum powder (3000 order), 15 kilograms of PA66 (70K20HSL), 10 kilograms of ethylene-acrylate-copolymer-maleic anhydrides (560D), 1010,0.5 kilogram of thermo-stabilizer 168 of 0.5 kilogram of thermo-stabilizer all join melting mixing in the twin screw extruder that length-to-diameter ratio is 40:1 and disperse, extruding pelletization, finally obtains product.
The processing conditions of twin screw extruder is: 230 ℃ of district's temperature, two 240 ℃ of district's temperature, three 260 ℃ of district's temperature, four 260 ℃ of district's temperature, five 270 ℃ of district's temperature, six 280 ℃ of district's temperature.
Concrete test result is as shown in table 3:
Table 3
Test event Unit Testing standard Test result
Tensile yield strength MPa ISO?527-2/5A/50 22.9
Elongation at break % ISO?527-2/5A/50 260
Notched Izod impact strength (23 ℃) KJ/m2 ISO?180/1A 52
Modulus in flexure MPa ISO?178 1732
Heat-drawn wire (0.45MPa) ℃ ISO?75 99
Deformation-recovery rate % / 98
Deformation recovery temperature ℃ / 172
The deformation recovery time of response S / 70
Comparative example 1
By 84.8 kilograms of PP(K9017), 5 kilograms of POE(DF610), 10 kilograms of talcum powder (3000 order), 1010,0.1 kilogram of thermo-stabilizer 168 of 0.1 kilogram of thermo-stabilizer all join melting mixing in the twin screw extruder that length-to-diameter ratio is 40:1 and disperse, extruding pelletization, finally obtains product.
The processing conditions of twin screw extruder is: 230 ℃ of district's temperature, two 240 ℃ of district's temperature, three 260 ℃ of district's temperature, four 260 ℃ of district's temperature, five 270 ℃ of district's temperature, six 280 ℃ of district's temperature.Concrete test result is as shown in table 4:
Test event Unit Testing standard Test result
Tensile yield strength MPa ISO?527-2/5A/50 18.9
Elongation at break % ISO?527-2/5A/50 125
Notched Izod impact strength (23 ℃) KJ/m2 ISO?180/1A 45
Modulus in flexure MPa ISO?178 1235
Heat-drawn wire (0.45MPa) ℃ ISO?75 87
Deformation-recovery rate % / Undeformed reply phenomenon
Deformation recovery temperature ℃ / Undeformed reply phenomenon
The deformation recovery time of response S / Undeformed reply phenomenon
Comparative example 2
By 74.8 kilograms of PP(K9017), 5 kilograms of POE(DF610), 10 kilograms of talcum powder (3000 order), 10 kilograms of PA6 (Volgamid25), 1010,0.1 kilogram of thermo-stabilizer 168 of 0.1 kilogram of thermo-stabilizer all join melting mixing in the twin screw extruder that length-to-diameter ratio is 40:1 and disperse, extruding pelletization, finally obtains product.
The processing conditions of twin screw extruder is: 230 ℃ of district's temperature, two 240 ℃ of district's temperature, three 260 ℃ of district's temperature, four 260 ℃ of district's temperature, five 270 ℃ of district's temperature, six 280 ℃ of district's temperature.
Concrete test result is as shown in table 5:
Table 5
Test event Unit Testing standard Test result
Tensile yield strength MPa ISO?527-2/5A/50 19.5
Elongation at break % ISO?527-2/5A/50 22
Notched Izod impact strength (23 ℃) KJ/m2 ISO?180/1A 6.9
Modulus in flexure MPa ISO?178 1365
Heat-drawn wire (0.45MPa) ℃ ISO?75 89
Deformation-recovery rate % / Undeformed reply phenomenon
Deformation recovery temperature ℃ / Undeformed reply phenomenon
The deformation recovery time of response S / Undeformed reply phenomenon
Test result from above-described embodiment and comparative example can be found out, the bumper that the present invention makes all obviously improves by elongation at break, the notched Izod impact strength (23 ℃) of shape memory polypropylene composite material, and recovery of shape rate >=95%, recovery of shape temperature≤175 ℃, recovery of shape time of response≤100S, illustrates that described shape memory polypropylene composite material can be used as bumper completely used.

Claims (9)

1. a bumper shape memory polypropylene composite material, is characterized in that: the raw material that comprises the following meter of percentage ratio by weight:
2. bumper according to claim 1 shape memory polypropylene composite material, is characterized in that: described nylon resin is one or both in nylon 6 or nylon 66.
3. bumper according to claim 1 shape memory polypropylene composite material, is characterized in that: the melt flow rate (MFR) of described acrylic resin is 5-100g/10min.
4. bumper according to claim 1 shape memory polypropylene composite material, is characterized in that: described compatilizer is selected from one or several the mixture in maleic anhydride inoculated polypropylene, maleic anhydride grafted ethene-propylene copolymer, maleic anhydride grafted ethene-propylene-butadiene copolymer, maleic anhydride grafted ethene-octene copolymer, maleic anhydride graft hydrogenated styrene-butadiene-styrene multipolymer, maleic anhydride graft hydrogenated styrene-isoprene-styrol copolymer and ethylene-acrylate-copolymer-maleic anhydride.
5. bumper according to claim 1 shape memory polypropylene composite material, is characterized in that: described thermo-stabilizer is one or both the mixture in Hinered phenols or phosphorous acid ester type thermal stabilizing agent.
6. bumper according to claim 5 shape memory polypropylene composite material, is characterized in that: the weight ratio of described Hinered phenols thermo-stabilizer and described phosphorous acid ester type thermal stabilizing agent is 1:1-2.
7. prepare a method for shape memory polypropylene composite material for bumper claimed in claim 1, comprise the steps:
(1) by proportioning, weigh various raw materials;
(2) polypropylene, ethylene-octene copolymer, talcum powder, nylon resin, compatilizer and stablizer are added and in twin screw extruder, melt extrude granulation.
8. the method for preparing bumper use shape memory polypropylene composite material according to claim 7, is characterized in that: the length-to-diameter ratio of described twin screw extruder is 36-44:1.
9. according to claim 7ly prepare the method for shape memory polypropylene composite material for bumper, it is characterized in that: the processing conditions of described twin screw extruder is, one district's temperature is 220-240 ℃, two district's temperature are 230-250 ℃, three district's temperature are 250-260 ℃, four district's temperature are 250-270 ℃, and five district's temperature are 260-280 ℃, and six district's temperature are 270-290 ℃.
CN201310754465.1A 2013-12-31 2013-12-31 Shape memory polypropylene composite material for automobile bumpers and preparation method thereof Pending CN103739957A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106519427A (en) * 2016-10-09 2017-03-22 胡宁 Strong-impact-resistant shape merry polypropylene material vehicle bumpers, and preparation method thereof
CN106519425A (en) * 2016-10-09 2017-03-22 胡宁 Shape memory polypropylene composite material suitable for surface spray coating and preparation method thereof
CN106519426A (en) * 2016-10-09 2017-03-22 胡宁 Mica modified polypropylene composite for automobile bumper and preparation method thereof
CN106543555A (en) * 2016-10-09 2017-03-29 胡宁 A kind of bumper ageing-resistant Shape memory polypropylene composite material and preparation method thereof
CN106928550A (en) * 2017-04-06 2017-07-07 苏州恒达塑料工业有限公司 A kind of preparation method of bumper padded coaming
CN107011614A (en) * 2017-05-06 2017-08-04 广东威林工程塑料股份有限公司 A kind of bumper metal-like exempts from spray coating polypropylene composite and preparation method thereof
CN107043490A (en) * 2017-01-19 2017-08-15 王旭东 A kind of Shape memory polypropylene composite material containing natural ramie fiber and preparation method thereof
CN107652535A (en) * 2017-08-30 2018-02-02 北京汽车研究总院有限公司 Automotive bumper material and preparation method thereof, bumper and there is its vehicle
CN108102218A (en) * 2017-12-22 2018-06-01 南京聚隆科技股份有限公司 A kind of high texture automotive interior material and preparation method thereof
CN108329574A (en) * 2017-01-19 2018-07-27 合肥杰事杰新材料股份有限公司 A kind of Shape memory polypropylene composite material and preparation method thereof
CN109627592A (en) * 2018-12-26 2019-04-16 成都其其小数科技有限公司 A kind of preparation method of the composite material of shape memory for bumper
CN111205612A (en) * 2020-03-30 2020-05-29 苏州润佳工程塑料股份有限公司 Environment-friendly composite material for vehicles
CN111484659A (en) * 2019-01-29 2020-08-04 合肥杰事杰新材料股份有限公司 Shape memory polyolefin composite material and preparation method thereof
WO2023024939A1 (en) * 2021-08-23 2023-03-02 金发科技股份有限公司 Microfoam polypropylene composition, and preparation method therefor and application thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101280086A (en) * 2008-05-09 2008-10-08 浙江工业大学 Special material for environment-friendly flame-proof polypropylene and preparation thereof
CN101724197A (en) * 2009-11-05 2010-06-09 上海金发科技发展有限公司 PP/PA composite material used for corrugated pipe and preparation method thereof
CN102079866A (en) * 2009-11-30 2011-06-01 天津德昊超微新材料有限公司 Low temperature-resistant environment-friendly flame-retardant polyamide (PA)/propene polymer (PP) alloy for automobile safety belt pull ring
CN102532696A (en) * 2010-12-29 2012-07-04 上海普利特复合材料股份有限公司 Polypropylene composition with high surface tension and preparation method thereof
CN103102592A (en) * 2013-02-04 2013-05-15 北京海科华昌新材料技术有限公司 Modified polypropylene material for automotive bumper and preparation method thereof
CN103146189A (en) * 2013-02-26 2013-06-12 上海凯赛生物技术研发中心有限公司 Nylon modified plastic
CN103214739A (en) * 2013-04-27 2013-07-24 广西鑫深科技有限公司 Special material for automobile bumper and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101280086A (en) * 2008-05-09 2008-10-08 浙江工业大学 Special material for environment-friendly flame-proof polypropylene and preparation thereof
CN101724197A (en) * 2009-11-05 2010-06-09 上海金发科技发展有限公司 PP/PA composite material used for corrugated pipe and preparation method thereof
CN102079866A (en) * 2009-11-30 2011-06-01 天津德昊超微新材料有限公司 Low temperature-resistant environment-friendly flame-retardant polyamide (PA)/propene polymer (PP) alloy for automobile safety belt pull ring
CN102532696A (en) * 2010-12-29 2012-07-04 上海普利特复合材料股份有限公司 Polypropylene composition with high surface tension and preparation method thereof
CN103102592A (en) * 2013-02-04 2013-05-15 北京海科华昌新材料技术有限公司 Modified polypropylene material for automotive bumper and preparation method thereof
CN103146189A (en) * 2013-02-26 2013-06-12 上海凯赛生物技术研发中心有限公司 Nylon modified plastic
CN103214739A (en) * 2013-04-27 2013-07-24 广西鑫深科技有限公司 Special material for automobile bumper and preparation method thereof

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106519425A (en) * 2016-10-09 2017-03-22 胡宁 Shape memory polypropylene composite material suitable for surface spray coating and preparation method thereof
CN106519426A (en) * 2016-10-09 2017-03-22 胡宁 Mica modified polypropylene composite for automobile bumper and preparation method thereof
CN106543555A (en) * 2016-10-09 2017-03-29 胡宁 A kind of bumper ageing-resistant Shape memory polypropylene composite material and preparation method thereof
CN106519427A (en) * 2016-10-09 2017-03-22 胡宁 Strong-impact-resistant shape merry polypropylene material vehicle bumpers, and preparation method thereof
CN108329574A (en) * 2017-01-19 2018-07-27 合肥杰事杰新材料股份有限公司 A kind of Shape memory polypropylene composite material and preparation method thereof
CN107043490A (en) * 2017-01-19 2017-08-15 王旭东 A kind of Shape memory polypropylene composite material containing natural ramie fiber and preparation method thereof
CN106928550A (en) * 2017-04-06 2017-07-07 苏州恒达塑料工业有限公司 A kind of preparation method of bumper padded coaming
CN107011614A (en) * 2017-05-06 2017-08-04 广东威林工程塑料股份有限公司 A kind of bumper metal-like exempts from spray coating polypropylene composite and preparation method thereof
CN107652535A (en) * 2017-08-30 2018-02-02 北京汽车研究总院有限公司 Automotive bumper material and preparation method thereof, bumper and there is its vehicle
CN108102218A (en) * 2017-12-22 2018-06-01 南京聚隆科技股份有限公司 A kind of high texture automotive interior material and preparation method thereof
CN109627592A (en) * 2018-12-26 2019-04-16 成都其其小数科技有限公司 A kind of preparation method of the composite material of shape memory for bumper
CN109627592B (en) * 2018-12-26 2021-05-07 上海凯矜新材料科技有限公司 Preparation method of shape memory composite material for automobile bumper
CN111484659A (en) * 2019-01-29 2020-08-04 合肥杰事杰新材料股份有限公司 Shape memory polyolefin composite material and preparation method thereof
CN111484659B (en) * 2019-01-29 2022-05-10 合肥杰事杰新材料股份有限公司 Shape memory polyolefin composite material and preparation method thereof
CN111205612A (en) * 2020-03-30 2020-05-29 苏州润佳工程塑料股份有限公司 Environment-friendly composite material for vehicles
WO2023024939A1 (en) * 2021-08-23 2023-03-02 金发科技股份有限公司 Microfoam polypropylene composition, and preparation method therefor and application thereof

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Application publication date: 20140423