CN108641179A - A kind of PET Fibre-reinforced Polypropylene composite plastic and preparation method - Google Patents
A kind of PET Fibre-reinforced Polypropylene composite plastic and preparation method Download PDFInfo
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- CN108641179A CN108641179A CN201810378772.7A CN201810378772A CN108641179A CN 108641179 A CN108641179 A CN 108641179A CN 201810378772 A CN201810378772 A CN 201810378772A CN 108641179 A CN108641179 A CN 108641179A
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/046—Reinforcing macromolecular compounds with loose or coherent fibrous material with synthetic macromolecular fibrous material
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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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0083—Nucleating agents promoting the crystallisation of the polymer matrix
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
Abstract
The invention discloses a kind of PET Fibre-reinforced Polypropylene composite plastic and preparation methods.The composite plastic is made by following steps:A, organic nucleating agent is mixed with deionized water, evenly dispersed nucleating agent suspension is made;B, polyester fiber is added to nucleating agent suspension, the surface modified polyester fiber reinforcement of uniform adsorption nucleating agent is made;C, acrylic resin, antioxidant are blended with reinforcement in high-speed mixer;D, the composite plastic of polypropylene that extruding pelletization enhances to get polyester fiber is carried out using double screw extruder.The method has the advantages that:The present invention passes through the nucleating agent that is adsorbed in polyester fibre surface, surface crystallization of the induced polymer matrix in polyester fiber, both the crystal property of polymer had been improved, the interface cohesion of polyester fiber and polymeric matrix is significantly improved again, improve the intensity of composite plastic, and preparation process is simple, is not necessarily to specially treated, can be widely used for preparation and the application field of composite plastic.
Description
Technical field
The present invention relates to modifying plastics fields, and in particular to the preparation of composite reinforced plastics, more particularly, to a kind of polyester
Fiber reinforced polypropylene composite plastic and preparation method.
Background technology
C plastic layers are made of fibre reinforced composites reinforcing fiber and matrix.Fiber(Or whisker)Diameter very
Small, generally at 10 μm hereinafter, defect is less and smaller, breaking strain is about within 30/1000ths, is fragile material, rapid wear
Wound is broken and is corroded.For matrix for fiber, intensity, modulus will be much lower, but can withstand big answer
Become, often there is viscoplasticity and elastoplasticity, be toughness material, glass fiber reinforced composite modeling is divided into according to the fiber difference of use
Material(GFRP), fibre reinforced composite plastic(CFRP), boron fibre enhancing composite plastic etc., in recent years, polyester fiber enhancing is poly-
Object based composites are closed to attract attention with its excellent properties.
Interface cohesion between polyester fiber and polymeric matrix is an important factor for obtaining high-performance composite materials.Well
Interface cohesion be conducive to effective transmission of stress, improve absorption of the polymeric matrix to energy.Due to thermoplastic resin matrix
Itself lacks reactive active function groups, it is difficult to good chemical bonding is generated with fiber, therefore polyester fibre surface is usual
It need to pass through between modified ability and polymer and form good interface cohesion.Interface between polyester fiber and polymeric matrix is improved to tie
The method of conjunction mainly has polyester fibre surface to handle and add two kinds of interfacial compatibilizer.In recent years to polyester fiber and matrix resin
The research that interfacial bonding property is promoted is more and more.
Number of patent application 201410157369.3 discloses a kind of polyester fiber enhancing injection phenolic moulding plastics and its system
Preparation Method.The main novolak resin of raw material, hexamethylenetetramine, inorganic filler and the polyester for preparing the phenolaldehyde moulding compound are fine
Dimension, the preparation method of the phenolaldehyde moulding compound include the following steps:(1)Each raw material is weighed, it is spare;(2)Take inorganic filler and coupling
Agent is placed in ball milling in ball mill or ball grinder, and the dosage of the coupling agent is 0.5 ~ 10wt% of inorganic filler dosage, nothing
Machine filler is in aluminium hydroxide, silicon powder, calcite, talcum, calcium carbonate, glass microballoon, kaolin and clay powder
A combination of one or more;(3)Take hexamethylenetetramine to crush, then with surface treated inorganic filler and other
Raw material is uniformly mixed;(4)The material mixed input double screw extruder is squeezed out;(5)Extruded stock cooling after crush to get.
Phenolaldehyde moulding compound mechanical property higher obtained by this method, water imbibition are lower.
Number of patent application 201210590289.8 discloses a kind of preparation of unsaturated polyester (UP) fiber reinforcement tubular molding compound
Method, it is therefore an objective to provide it is a kind of with high intensity, impact resistance, high temperature resistant low temperature unsaturated polyester (UP) fiber reinforcement bulk molding
Material.It is made of by weight following substance:30 ~ 50 parts of unsaturated polyester (UP), 0.3 ~ 0.5 part of cobalt naphthenate, methyl ethyl ketone peroxide
0.2 ~ 0.4 part, 25 ~ 35 parts of reinforcing fiber, 30 ~ 40 parts of calcium carbonate, 0.2 ~ 0.3 part of antistatic agent, 0.1 ~ 0.15 part of antioxidant, five
0.2 ~ 0.3 part of bromophenol.
Number of patent application 201310548377.6 discloses the polyester fiber Reinforced PVC composite wood that a kind of centre is foaming layer
The structure of material and preparation method thereof, the composite material includes PVC face mask layers, PVC paste oxidant layer, the micro- hairs of PVC successively from top to bottom
Steep paste layer, polyester fiber screen cloth base material, PVC fretting maps paste layer, PVC paste oxidant layer and PVC bottom membranes.The centre of the invention is
The polyester fiber Reinforced PVC composite material of foaming layer, have lighter, soft, the resistance to Qu Rao of quality, low-temperature resistance bending it is good,
The characteristics such as heat-insulated, damping, meanwhile, also there are the significant advantages such as environmental protection, resistance to precipitation.
Number of patent application 201710159397.2 discloses a kind of flame retardant type polyester fiber internal reinforcing type PVC waterproofs volume
The middle layer of material is flame retardant type dacron fabric, and the PVC plastic bed of material is respectively coated in the two sides of middle layer;Flame retardant type polyester fiber
Fabric is formed by phosphorous dicarboxylic acid monomer and dihydric alcohol copolycondensation, and anti-dripping agent is added in polycondensation process;PVPVC
Grain is squeezed out and is process, and PVC granule is made of following component according to weight percentage:PVC resin powder 45% ~ 55%, plasticizer
20% ~ 30%, fire retardant 20% ~ 30%, lubricant 1% ~ 3%, colorant 1% ~ 3%.Flame retardant type polyester fiber internal reinforcing type PVC waterproofs are rolled up
Material is applicable not only to all ranges that conventional PVC waterproof rolls are applicable in, and in the region for having fire protection requirement, such as petrochemical industry
Enterprise etc. can also use, and of low cost, processing performance is also unaffected.
It can be seen that in the prior art in polyester fiber enhancing composite plastic, the boundary between polyester fiber and polymeric matrix
It is poor that face combines, and then leads to the poor mechanical property of composite plastic, influences its application, and traditional surface treatment and adds interface phase
The method for holding agent, there are process complexity the problems such as undesirable effect.
Invention content
Effectively to solve above-mentioned technical problem, the present invention proposes a kind of PET Fibre-reinforced Polypropylene composite plastic and system
Preparation Method can significantly improve the interfacial bonding property between polyester fiber and composite plastic of polypropylene, improve the strong of composite plastic
Degree.
The specific technical solution of the present invention is as follows:
A kind of preparation method of PET Fibre-reinforced Polypropylene composite plastic, the composite plastic are nucleated by surface uniform adsorption
The modified polyester fiber reinforcement of agent and acrylic resin, antioxidant, blended, extrusion are granulated and are made, specific to prepare step
Suddenly it is:
A, organic nucleating agent is mixed with deionized water, is sufficiently stirred, evenly dispersed nucleating agent suspension is made;
B, polyester fiber is added in nucleating agent suspension made from step a, is stirred evenly, washed, dry, uniformly inhaled
The surface modified polyester fiber reinforcement of attached nucleating agent;
C, acrylic resin, antioxidant are blended with reinforcement made from step b in high-speed mixer;
D, extruding pelletization is carried out using double screw extruder, the composite plastic of polypropylene of polyester fiber enhancing is made.
Preferably, in the step a, organic nucleating agent is aluminum benzoate.
Preferably, in the step a, in nucleating agent suspension, 30 ~ 40 parts by weight of organic nucleating agent, deionized water 60 ~ 70
Parts by weight.
Preferably, in the step b, a diameter of 2 ~ 5 μm of microporous fibre of polyester fiber.
Preferably, in the step b, 5 ~ 10 parts by weight of polyester fiber, 90 ~ 95 parts by weight of nucleating agent suspension.
Preferably, in the step b, washing uses absolute ethyl alcohol, and dry using vacuum drying, temperature is 70 ~ 80 DEG C, when
Between be 8 ~ 12h.
Preferably, in the step c, antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid] Ji Wusi
Alcohol ester, phosphorous acid three(2,4- di-tert-butyl-phenyls)Ester or β-(3,5- di-tert-butyl-hydroxy phenyls)The positive octadecanol of propionic acid
At least one of ester.
Preferably, in the step c, 88 ~ 95 parts by weight of acrylic resin, 1 ~ 2 parts by weight of antioxidant, 4 ~ 10 weight of reinforcement
Measure part.
Preferably, in the step d, the heating temperature of extruder is 100-120 DEG C of first segment, second segment 140-160
DEG C, 170-180 DEG C of third section, the 4th section 140-150 DEG C.
Nucleating agent is to be suitable for the imperfect crystals plastics such as polyethylene, polypropylene, by changing the crystallization behavior of resin, is added
Fast crystalline rate increases crystal density and promotes fine grain size, reach shorten molding cycle, improve the product transparency,
The new function of the physical mechanical properties such as lustrous surface, tensile strength, rigidity, heat distortion temperature, impact resistance, creep resistance helps
Agent.Load, which is prepared, in the present invention the polyester fiber reinforcement of nucleating agent, is nucleated with machine direction, thus reinforced polypropylene,
This method method is simple and practicable, highly desirable to the improvement of interface cohesion.
The above of the present invention also proposed a kind of PET Fibre-reinforced Polypropylene composite plastic, polyester fibre surface absorption
Nucleating agent can not only improve the crystal property of polymer but also can be with induced polymer matrix in the surface crystallization of polyester fiber
Improve the interfacial bonding property of polyester fiber and polymeric matrix, the mechanical property of composite plastic is good.
Beneficial effects of the present invention are:
1. propose has the polyester fiber reinforcement of nucleating agent to prepare PET Fibre-reinforced Polypropylene composite plastic by forming load
The method of material.
2. the present invention is by the nucleating agent adsorbed in polyester fibre surface, induced polymer matrix is on the surface of polyester fiber
Crystallization, had not only improved the crystal property of polymer, but also significantly improve the interface cohesion of polyester fiber and polymeric matrix, had improved
The intensity of composite plastic.
3. preparation process of the present invention is simple, it is not necessarily to specially treated, can be widely used for the preparation field of composite plastic.
Specific implementation mode
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
A, organic nucleating agent is mixed with deionized water, is sufficiently stirred, evenly dispersed nucleating agent suspension is made;
B, polyester fiber is added in nucleating agent suspension made from step a, is stirred evenly, washed, dry, uniformly inhaled
The surface modified polyester fiber reinforcement of attached nucleating agent;
C, acrylic resin, antioxidant are blended with reinforcement made from step b in high-speed mixer;
D, extruding pelletization is carried out using double screw extruder, the composite plastic of polypropylene of polyester fiber enhancing is made.
In step a, organic nucleating agent is aluminum benzoate;In step b, the micropore that the average diameter of polyester fiber is 4 μm is fine
Dimension;In step c, antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid] pentaerythritol ester.
In step a, in nucleating agent suspension, 35 parts by weight of organic nucleating agent, 65 parts by weight of deionized water;In step b, gather
8 parts by weight of ester fiber, 92 parts by weight of nucleating agent suspension;In step c, 91 parts by weight of acrylic resin, 2 parts by weight of antioxidant,
7 parts by weight of reinforcement.
In step b, washing uses absolute ethyl alcohol, and dry using vacuum drying, temperature is 75 DEG C, time 10h;Step d
In, the heating temperature of extruder is, 120 DEG C of first segment, 140 DEG C of second segment, 170 DEG C of third section, the 4th section 150 DEG C.
Embodiment 2
A, organic nucleating agent is mixed with deionized water, is sufficiently stirred, evenly dispersed nucleating agent suspension is made;
B, polyester fiber is added in nucleating agent suspension made from step a, is stirred evenly, washed, dry, uniformly inhaled
The surface modified polyester fiber reinforcement of attached nucleating agent;
C, acrylic resin, antioxidant are blended with reinforcement made from step b in high-speed mixer;
D, extruding pelletization is carried out using double screw extruder, the composite plastic of polypropylene of polyester fiber enhancing is made.
In step a, organic nucleating agent is aluminum benzoate;In step b, the micropore that the average diameter of polyester fiber is 2 μm is fine
Dimension;In step c, antioxidant is phosphorous acid three(2,4- di-tert-butyl-phenyls)Ester.
In step a, in nucleating agent suspension, 30 parts by weight of organic nucleating agent, 70 parts by weight of deionized water;In step b, gather
5 parts by weight of ester fiber, 95 parts by weight of nucleating agent suspension;In step c, 95 parts by weight of acrylic resin, 1 parts by weight of antioxidant,
4 parts by weight of reinforcement.
In step b, washing uses absolute ethyl alcohol, and dry using vacuum drying, temperature is 70 DEG C, time 12h;Step d
In, the heating temperature of extruder is, 100 DEG C of first segment, 140 DEG C of second segment, 175 DEG C of third section, the 4th section 140 DEG C.
Embodiment 3
A, organic nucleating agent is mixed with deionized water, is sufficiently stirred, evenly dispersed nucleating agent suspension is made;
B, polyester fiber is added in nucleating agent suspension made from step a, is stirred evenly, washed, dry, uniformly inhaled
The surface modified polyester fiber reinforcement of attached nucleating agent;
C, acrylic resin, antioxidant are blended with reinforcement made from step b in high-speed mixer;
D, extruding pelletization is carried out using double screw extruder, the composite plastic of polypropylene of polyester fiber enhancing is made.
In step a, organic nucleating agent is aluminum benzoate;In step b, the average diameter of polyester fiber is 5 μm of microporous fibres;
In step c, antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid n-octadecyl alcohol ester.
In step a, in nucleating agent suspension, 40 parts by weight of organic nucleating agent, 60 parts by weight of deionized water;In step b, gather
10 parts by weight of ester fiber, 90 parts by weight of nucleating agent suspension;In step c, 88 parts by weight of acrylic resin, 2 parts by weight of antioxidant,
10 parts by weight of reinforcement.
In step b, washing uses absolute ethyl alcohol, and dry using vacuum drying, temperature is 80 DEG C, time 8h;Step d
In, the heating temperature of extruder is, 110 DEG C of first segment, 140 DEG C of second segment, 170 DEG C of third section, the 4th section 140 DEG C.
Embodiment 4
A, organic nucleating agent is mixed with deionized water, is sufficiently stirred, evenly dispersed nucleating agent suspension is made;
B, polyester fiber is added in nucleating agent suspension made from step a, is stirred evenly, washed, dry, uniformly inhaled
The surface modified polyester fiber reinforcement of attached nucleating agent;
C, acrylic resin, antioxidant are blended with reinforcement made from step b in high-speed mixer;
D, extruding pelletization is carried out using double screw extruder, the composite plastic of polypropylene of polyester fiber enhancing is made.
In step a, organic nucleating agent is aluminum benzoate;In step b, the micropore that the average diameter of polyester fiber is 3 μm is fine
Dimension;In step c, antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid] pentaerythritol ester.
In step a, in nucleating agent suspension, 32 parts by weight of organic nucleating agent, 68 parts by weight of deionized water;In step b, gather
6 parts by weight of ester fiber, 94 parts by weight of nucleating agent suspension;In step c, 93 parts by weight of acrylic resin, 1 parts by weight of antioxidant,
6 parts by weight of reinforcement.
In step b, washing uses absolute ethyl alcohol, and dry using vacuum drying, temperature is 72 DEG C, time 11h;Step d
In, the heating temperature of extruder is, 120 DEG C of first segment, 160 DEG C of second segment, 180 DEG C of third section, the 4th section 140 DEG C.
Embodiment 5
A, organic nucleating agent is mixed with deionized water, is sufficiently stirred, evenly dispersed nucleating agent suspension is made;
B, polyester fiber is added in nucleating agent suspension made from step a, is stirred evenly, washed, dry, uniformly inhaled
The surface modified polyester fiber reinforcement of attached nucleating agent;
C, acrylic resin, antioxidant are blended with reinforcement made from step b in high-speed mixer;
D, extruding pelletization is carried out using double screw extruder, the composite plastic of polypropylene of polyester fiber enhancing is made.
In step a, organic nucleating agent is aluminum benzoate;In step b, the micropore that the average diameter of polyester fiber is 4 μm is fine
Dimension;In step c, antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid n-octadecyl alcohol ester.
In step a, in nucleating agent suspension, 37 parts by weight of organic nucleating agent, 63 parts by weight of deionized water;In step b, gather
8 parts by weight of ester fiber, 92 parts by weight of nucleating agent suspension;In step c, 91 parts by weight of acrylic resin, 2 parts by weight of antioxidant,
7 parts by weight of reinforcement.
In step b, washing uses absolute ethyl alcohol, and dry using vacuum drying, temperature is 77 DEG C, time 9h;Step d
In, the heating temperature of extruder is, 100 DEG C of first segment, 160 DEG C of second segment, 170 DEG C of third section, the 4th section 150 DEG C.
Comparative example 1
A, organic nucleating agent is mixed with deionized water, is sufficiently stirred, evenly dispersed nucleating agent suspension is made;
B, polyester fiber is added in nucleating agent suspension made from step a, is stirred evenly, washed, dry, uniformly inhaled
The surface modified polyester fiber reinforcement of attached nucleating agent;
C, acrylic resin, antioxidant are blended with reinforcement made from step b in high-speed mixer;
D, extruding pelletization is carried out using double screw extruder, the composite plastic of polypropylene of polyester fiber enhancing is made.
In step a, organic nucleating agent is aluminum benzoate;In step b, non-micropore that the average diameter of polyester fiber is 4 μm
Fiber;In step c, antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid n-octadecyl alcohol ester.
In step a, in nucleating agent suspension, 37 parts by weight of organic nucleating agent, 63 parts by weight of deionized water;In step b, gather
8 parts by weight of ester fiber, 92 parts by weight of nucleating agent suspension;In step c, 91 parts by weight of acrylic resin, 2 parts by weight of antioxidant,
7 parts by weight of reinforcement.
In step b, washing uses absolute ethyl alcohol, and dry using vacuum drying, temperature is 77 DEG C, time 9h;Step d
In, the heating temperature of extruder is, 100 DEG C of first segment, 160 DEG C of second segment, 170 DEG C of third section, the 4th section 150 DEG C.
Comparative example 1 uses load of the polyester fiber as nucleating agent of non-micropore, and load nucleating agent is unstable, because
This, is not obvious along fiber nucleation enhancing.
Comparative example 2
Organic nucleating agent, acrylic resin, antioxidant are subjected to extruding pelletization using double screw extruder, polypropylene composite materials are made
Plastics.
Antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid n-octadecyl alcohol ester.
91 parts by weight of acrylic resin, 2 parts by weight of antioxidant, 2 parts by weight of nucleating agent.
The heating temperature of extruder is, 100 DEG C of first segment, 160 DEG C of second segment, 170 DEG C of third section, the 4th section 150 DEG C.
Comparative example 2 does not use polyester fiber dispersion load nucleating agent, and nucleating agent is with single nucleation, not with fiber
To the humidification of nucleation.
Composite plastic made from above-described embodiment 1 ~ 5 and comparative example 1-2, wherein polypropylene select commercially available K8303, test:
Tensile strength:According to the requirement of GB-T 1040.1-2006, using instron to composite plastic standard sample
Tensile strength test is carried out, is 25 DEG C in temperature, relative humidity carries out under conditions of being 65% with the test speed of 200mm/min
Experiment, obtains tensile strength, characterizes its tensile property.
Impact strength:Shock resistance is characterized using cantilever beam impact strength.
The results are shown in Table 1.
Table 1:
Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 | Blank K8303 |
Tensile yield strength(MPa) | 31.52 | 32.42 | 30.98 | 33.32 | 34.41 | 29.65 | 27.3 | 22.5 |
- 20 DEG C of cantilever beam impact strength(J/m) | 123.4 | 123.1 | 122.9 | 123.4 | 123.4 | 107.4 | 58.82 | 41.65 |
Claims (10)
1. a kind of preparation method of PET Fibre-reinforced Polypropylene composite plastic, it is characterised in that:The composite plastic is by table
The modified polyester fiber reinforcement of face uniform adsorption nucleating agent and acrylic resin, antioxidant, blended, extrusion are granulated and make
, specific preparation process is:
A, organic nucleating agent is mixed with deionized water, is sufficiently stirred, evenly dispersed nucleating agent suspension is made;
B, polyester fiber is added in nucleating agent suspension made from step a, is stirred evenly, washed, dry, uniformly inhaled
The surface modified polyester fiber reinforcement of attached nucleating agent;
C, acrylic resin, antioxidant are blended with reinforcement made from step b in high-speed mixer;
D, extruding pelletization is carried out using double screw extruder, the composite plastic of polypropylene of polyester fiber enhancing is made.
2. a kind of preparation method of PET Fibre-reinforced Polypropylene composite plastic according to claim 1, it is characterised in that:Institute
It states in step a, organic nucleating agent is aluminum benzoate.
3. a kind of preparation method of PET Fibre-reinforced Polypropylene composite plastic according to claim 1, it is characterised in that:Institute
It states in step a, in nucleating agent suspension, 30 ~ 40 parts by weight of organic nucleating agent, 60 ~ 70 parts by weight of deionized water.
4. a kind of preparation method of PET Fibre-reinforced Polypropylene composite plastic according to claim 1, it is characterised in that:Institute
It states in step b, polyester fiber is a diameter of 2 ~ 5 μm of microporous fibre.
5. a kind of preparation method of PET Fibre-reinforced Polypropylene composite plastic according to claim 1, it is characterised in that:Institute
It states in step b, 5 ~ 10 parts by weight of polyester fiber, 90 ~ 95 parts by weight of nucleating agent suspension.
6. a kind of preparation method of PET Fibre-reinforced Polypropylene composite plastic according to claim 1, it is characterised in that:Institute
It states in step b, washing uses absolute ethyl alcohol, and dry using vacuum drying, temperature is 70 ~ 80 DEG C, and the time is 8 ~ 12h.
7. a kind of preparation method of PET Fibre-reinforced Polypropylene composite plastic according to claim 1, it is characterised in that:Institute
It states in step c, antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyls)Propionic acid] pentaerythritol ester, phosphorous acid three(2,4-
Di-tert-butyl-phenyl)Ester or β-(3,5- di-tert-butyl-hydroxy phenyls)At least one of propionic acid n-octadecyl alcohol ester.
8. a kind of preparation method of PET Fibre-reinforced Polypropylene composite plastic according to claim 1, it is characterised in that:Institute
It states in step c, 88 ~ 95 parts by weight of acrylic resin, 1 ~ 2 parts by weight of antioxidant, 4 ~ 10 parts by weight of reinforcement.
9. a kind of preparation method of PET Fibre-reinforced Polypropylene composite plastic according to claim 1, it is characterised in that:Institute
State in step d, the heating temperature of extruder is, 100-120 DEG C of first segment, 140-160 DEG C of second segment, 170-180 DEG C of third section,
4th section 140-150 DEG C.
10. a kind of PET Fibre-reinforced Polypropylene composite plastic that any one of claim 1 ~ 9 the method is prepared.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110922680A (en) * | 2019-11-15 | 2020-03-27 | 江苏东方电缆材料有限公司 | Basalt fiber reinforced and toughened polypropylene-based composite material and preparation method thereof |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110922680A (en) * | 2019-11-15 | 2020-03-27 | 江苏东方电缆材料有限公司 | Basalt fiber reinforced and toughened polypropylene-based composite material and preparation method thereof |
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