CN107880393A - A kind of socket ultra-toughness scratch-resistant PP composite material and preparation method - Google Patents
A kind of socket ultra-toughness scratch-resistant PP composite material and preparation method Download PDFInfo
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- CN107880393A CN107880393A CN201711284824.6A CN201711284824A CN107880393A CN 107880393 A CN107880393 A CN 107880393A CN 201711284824 A CN201711284824 A CN 201711284824A CN 107880393 A CN107880393 A CN 107880393A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- 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
-
- 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
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/016—Additives defined by their aspect ratio
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
Abstract
The invention discloses a kind of socket ultra-toughness scratch-resistant PP composite material and preparation method thereof, feature is made up of following raw material and its parts by weight:41 61 parts of polypropylene, 5 15 parts of fire retardant, 20 40 parts of toughness reinforcing scratch-resistant composite assistant, 5 15 parts of fire retarding synergist, 0.3 part of antioxidant and anti-0.4 part of copper aging agent, wherein composite assistant are made up of following raw material and its parts by weight:5 10 parts of 10 15 parts of POE, 3 parts of compatilizer, 12 parts of coupling agent, 5 10 parts of nanomete talc powder and magnesium carbonate whisker, its preparation method include the step of prepared by toughness reinforcing scratch-resistant composite assistant;After the well mixed rear and toughness reinforcing scratch-resistant composite assistant of polypropylene, fire retardant, fire retarding synergist, antioxidant and anti-copper aging agent is plastified by double screw extruder, cooling and dicing obtains the step of product, and advantage is that have high notch impact strength, high heat distortion temperature, high scraping and wiping resistance performance.
Description
Technical field
The present invention relates to polypropylene material, more particularly, to a kind of socket ultra-toughness scratch-resistant PP composite material and system
Preparation Method.
Background technology
Requirement of the switch socket to material be:There are high intensity, high tenacity, high heat resistance, high fire-retardance, high electrical insulating properties
Can etc..Row industry routine scheme of material selection is using anti-flaming ABS material, fire retardation PC material.With the control of product cost, polypropylene
Application of the material on socket turns into a kind of trend.
Polypropylene improves toughness of material by adding toughener, such as adds POE(The copolymer of ethene and octene), but carry
The heat distortion temperature of material can be reduced while high tenacity, while material cut easily occurs in contact.Heat distortion temperature
Reduce, security risk is brought to use of the material on socket.The softening of material surface macroscopically, which easily scrapes, there is cut, can drop
The usage experience of low user, the competitiveness of product in market is influenceed, and then influence company brand image.
For this problem, conventional glass fibre or inorganic mineral are filled modification to material, to improve the thermal change of material
Shape temperature and scraping and wiping resistance performance.Wherein product appearance easily occurs floating fine problem after fiber glass reinforcement injection, and uses
Fiber glass reinforcement, the damage for injection mold is larger, and mould need to use high rigidity steel, and be needed in production process
Regular polishing mould.In terms of risk has two, first, it is long in the case of rapid heat cycle is molded using high rigidity steel mould
Time produces, and easily causes mold cavity cracking;Second, regular polishing mould, die deformation can be caused, influence product
Machining accuracy.If filling-modified using inorganic mineral, can solve problem above, but inorganic mineral is even in feelings existing for coupling agent
It is also more difficult under condition uniformly to be combined with resin base material, the blending and modifying of material is easily reunited, it is scattered uneven, cause to note
The stability of molding product performance is poor.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of with high notch impact strength, high heat distortion temperature, height
The socket of scraping and wiping resistance performance ultra-toughness scratch-resistant PP composite material and preparation method.
Technical scheme is used by the present invention solves above-mentioned technical problem:A kind of socket is answered with ultra-toughness scratch-resistant polypropylene
Condensation material, it is made up of following raw material and its parts by weight:Polypropylene 41-61 parts, fire retardant 5-15 parts, toughness reinforcing-scratch-resistant are compound
Auxiliary agent 20-40 parts, fire retarding synergist 5-15 parts, 0.3 part of antioxidant and anti-0.4 part of copper aging agent, wherein described toughness reinforcing-resistance to
Composite assistant is scraped to be made up of following raw material and its parts by weight:Ethylene-octene copolymer(POE)10-15 parts, 3 parts of compatilizer,
Coupling agent 1-2 parts, nanomete talc powder 5-10 parts and surface have magnesium carbonate whisker 5-10 parts of micropore.
The particle diameter of described nanomete talc powder is 25-50nm, a diameter of 10 ~ 15 μm of described magnesium carbonate whisker, major diameter
Than being 150-300nm for the surface micropore aperture of 30 ~ 50, described magnesium carbonate whisker.Draw ratio refers to the ratio of length and diameter
Value, the micropore of magnesium carbonate whisker can be as the carrier for carrying nanomete talc powder.
The preparation method of the surface micropore of described magnesium carbonate whisker is as follows:Magnesium carbonate whisker is used and contains mass concentration
The dilute sulfuric acid of 0.15% corrosion inhibiter is corroded, processing time 20s-35s, and after corrosion terminates, magnesium carbonate crystalline substance is washed with deionized water
The dilute sulfuric acid and corrosion inhibiter on palpus surface, that is, surface, which is made, has the magnesium carbonate whisker of micropore, wherein the quality of described dilute sulfuric acid
Concentration is 1%-3%, and described corrosion inhibiter is corrosion inhibiter LAN-826., being capable of preferable control corrosion rate under corrosion system effect
Speed, by the surface micropore pore size control of magnesium carbonate whisker in 150-300nm.
Described coupling agent is VTES (YDH-151) and Y- aminopropyl triethoxysilanes(KH-
550)One or two kinds of mixtures, mass ratio is 1-3 the two is used simultaneously when:1, preferably 2:1.Coupling agent is received to carrying
The magnesium carbonate whisker of rice talcum powder is infiltrated, and can improve its adhesion between POE toughener.
Described compatilizer is maleic anhydride.The hydrophilic group of its magnesium carbonate whisker after being infiltrated with coupling agent occurs anti-
Should, the binding ability between POE is improved, while the binding ability of POE and PP substrate resins can also be improved.
Described polyacrylic melt index is 14-40g/10min, and described fire retardant is that commercially available phosphinate is fire-retardant
Agent, described fire retarding synergist are melamine cyanurate(MCA), described antioxidant is four [β-(3,5- bis- tertiary fourths
Base -4- hydroxy phenyls) propionic acid] pentaerythritol ester(Antioxidant 1010)It is sub- with double (2,4- di-tert-butyl-phenyl) pentaerythrites two
Phosphate(Antioxidant 626)In mass ratio(1-1.6):1 mixes, and described anti-copper aging agent is Hinered phenols non-polluting
Copper resistant agent.
The above-mentioned socket preparation method of ultra-toughness scratch-resistant PP composite material, is comprised the following steps that:
(1)It is prepared by toughness reinforcing-scratch-resistant composite assistant:After nanomete talc powder and magnesium carbonate whisker are toasted into 4h at 80 DEG C, it will receive
Rice talcum powder and magnesium carbonate whisker mix in high-speed mixer until nanomete talc powder is evenly distributed to magnesium carbonate whisker micropore
In, the magnesium carbonate whisker for being equipped with nanomete talc powder is infiltrated into 25-30min in coupling agent afterwards, is then total to ethylene-octene
Polymers(POE), compatilizer in high-speed mixer be well mixed, obtain toughness reinforcing-scratch-resistant composite assistant;The weight of wherein each raw material
It is as follows to measure number:Ethylene-octene copolymer(POE)10-15 parts, 3 parts of compatilizer, coupling agent 1-2 parts, nanomete talc powder 5-10 parts
There is magnesium carbonate whisker 5-10 parts of micropore with surface;
(2)By the polypropylene of formula ratio, fire retardant, fire retarding synergist, antioxidant and anti-copper aging agent, mixed in high-speed mixer
Close uniform, after then being plastified with toughness reinforcing-scratch-resistant composite assistant by double screw extruder, cooling, pelletizing, obtain socket with super
Tough scratch-resistant PP composite material, wherein the parts by weight of each raw material are as follows:Polypropylene 41-61 parts, fire retardant 5-15 parts, increase
Tough-scratch-resistant composite assistant 20-40 parts, fire retarding synergist 5-15 parts, 0.3 part of antioxidant and anti-0.4 part of copper aging agent.
9th, the preparation method of a kind of socket ultra-toughness scratch-resistant PP composite material according to claim 8, its
It is characterised by:The screw slenderness ratio of described double screw extruder is 37-45, and each section of temperature and rotating speed are as shown in the table:
Compared with prior art, the advantage of the invention is that:Present invention firstly discloses a kind of socket ultra-toughness scratch-resistant
PP composite material and preparation method thereof, overcome and be modified floating fine and mould injury problem, and addition using glass fibre
Inorganic mineral easily occurs disperseing uneven technical problem, and nanomete talc powder can be dispersed in micropore magnesium carbonate whisker, warp
Coupling agent infiltrates, and can be very good in the presence of compatilizer and POE and PP resin-bondeds so that material solution of the present invention has
High notch impact strength, high heat resistance, high fire-retardance, high scraping and wiping resistance performance etc., can be widely applied to switch socket, converter shell
Deng field.
Embodiment
The present invention is described in further detail with reference to embodiments.
First, specific embodiment
Embodiment 1
A kind of socket ultra-toughness scratch-resistant PP composite material, is made up of following raw material and its parts by weight:41 parts of polypropylene,
15 parts of fire retardant, toughness reinforcing -24 parts of scratch-resistant composite assistant, 15 parts of fire retarding synergist, 0.3 part of antioxidant and anti-copper aging agent
0.4 part, toughness reinforcing-scratch-resistant composite assistant is made up of following raw material and its parts by weight:Ethylene-octene copolymer(POE)10 parts,
3 parts of compatilizer, 1 part of coupling agent, 5 parts of nanomete talc powder and surface have 5 parts of the magnesium carbonate whisker of micropore, its preparation method tool
Body step is as follows:
(1)Micropore is prepared on magnesium carbonate whisker surface:Magnesium carbonate whisker is used and contains the corrosion inhibiter LAN- of mass concentration 0.15%
826 dilute sulfuric acid is corroded, processing time 20s-35s, and after corrosion terminates, magnesium carbonate whisker surface is washed with deionized water
Dilute sulfuric acid and corrosion inhibiter, that is, surface, which is made, has the magnesium carbonate whisker of micropore, wherein the mass concentration of described dilute sulfuric acid is 1%-
3%;The surface micropore aperture for obtaining magnesium carbonate whisker is 150-300nm;
(2)It is prepared by toughness reinforcing-scratch-resistant composite assistant:After nanomete talc powder and magnesium carbonate whisker are toasted into 4h at 80 DEG C, it will receive
Rice talcum powder and magnesium carbonate whisker mix in high-speed mixer until nanomete talc powder is evenly distributed to magnesium carbonate whisker micropore
In, the magnesium carbonate whisker for being equipped with nanomete talc powder is infiltrated into 25-30min in coupling agent afterwards, is then total to ethylene-octene
Polymers(POE), compatilizer in high-speed mixer be well mixed, obtain toughness reinforcing-scratch-resistant composite assistant;
(3)By the polypropylene of formula ratio, fire retardant, fire retarding synergist, antioxidant and anti-copper aging agent, mixed in high-speed mixer
Close uniform, after then being plastified with toughness reinforcing-scratch-resistant composite assistant by double screw extruder, cooling, pelletizing, obtain socket with super
Tough scratch-resistant PP composite material.
In this particular embodiment, the particle diameter of nanomete talc powder is 25-50nm, a diameter of 10-15 μm of magnesium carbonate whisker,
Draw ratio is 30-50.
In this particular embodiment, coupling agent is VTES (YDH-151) and the ethoxy of Y- aminopropyls three
Base silane(KH-550)Mixture, the two mass ratio be 2:1.Compatilizer is maleic anhydride.Polyacrylic melt index is 14-
40g/10min, fire retardant are commercially available phosphinate fire retardant, and fire retarding synergist is melamine cyanurate(MCA), antioxidant
For four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters(Antioxidant 1010)With double (2,4- bis- uncles
Butyl phenyl) pentaerythritol diphosphites(Antioxidant 626)In mass ratio 1.5:1 mixes, and anti-copper aging agent is to be obstructed
Phenols non-polluting copper resistant agent.
The screw slenderness ratio of double screw extruder is 37-45, each section of temperature and rotating speed such as following table institute in its preparation process
Show:
Embodiment 2
With above-described embodiment 1, its difference is:Socket is with ultra-toughness scratch-resistant PP composite material by following raw material and its weight
Number forms:46 parts of polypropylene, 10 parts of fire retardant, toughness reinforcing -30 parts of scratch-resistant composite assistant, 10 parts of fire retarding synergist, antioxygen
0.3 part of agent and anti-0.4 part of copper aging agent, toughness reinforcing-scratch-resistant composite assistant are made up of following raw material and its parts by weight:Ethene-
Octene copolymer(POE)11 parts, 3 parts of compatilizer, 2 parts of coupling agent, 7 parts of nanomete talc powder and surface have the magnesium carbonate of micropore brilliant
Must be 7 parts.
Embodiment 3
With above-described embodiment 1, its difference is:Socket is with ultra-toughness scratch-resistant PP composite material by following raw material and its weight
Number forms:55 parts of polypropylene, 7 parts of fire retardant, toughness reinforcing -31 parts of scratch-resistant composite assistant, 7 parts of fire retarding synergist, antioxidant
0.3 part and anti-0.4 part of copper aging agent, toughness reinforcing-scratch-resistant composite assistant are made up of following raw material and its parts by weight:Ethene-pungent
Alkene copolymer(POE)12 parts, 3 parts of compatilizer, 2 parts of coupling agent, 7 parts of nanomete talc powder and surface have the magnesium carbonate whisker of micropore
7 parts.
Embodiment 4
With above-described embodiment 1, its difference is:Socket is with ultra-toughness scratch-resistant PP composite material by following raw material and its weight
Number forms:61 parts of polypropylene, 5 parts of fire retardant, toughness reinforcing -40 parts of scratch-resistant composite assistant, 5 parts of fire retarding synergist, antioxidant
0.3 part and anti-0.4 part of copper aging agent, toughness reinforcing-scratch-resistant composite assistant are made up of following raw material and its parts by weight:Ethene-pungent
Alkene copolymer(POE)15 parts, 3 parts of compatilizer, 2 parts of coupling agent, 10 parts of nanomete talc powder and surface have the magnesium carbonate of micropore brilliant
Must be 10 parts.
2nd, contrast test
Comparative example 1-3 and embodiment 1-4 formula for raw stock are as shown in table 1 below:
The each group PP composite material formula of table 1
Note:Magnesium carbonate whisker does not carry out micropore processing in comparative example 4, and magnesium carbonate whisker is carried out in comparative example 1-3 and embodiment 1-4
Micropore processing.
Wherein, for comparative example 1-4 preparation method with above-described embodiment 1, it, which is distinguished, is that each composition of raw materials is different.Will be above-mentioned
Comparative example and embodiment are made material injection sample and tested according to following standard, and wherein scratch-resistant test is according to GM
W14688, parallel lines is drawn in material surface, by chromatism test L value changes, △ L are bigger, material more not scratch-resistant, conversely,
Then scratch-resistant.As a result it is as shown in table 2 below:
The each group Properties of Polypropylene Composite test result of table 2
Comparative example 1 of the invention does not add POE compositions as can be seen from the above table, and the notch impact strength of material is low, toughness of material
Difference.Comparative example 2 does not add magnesium carbonate whisker, but because the addition of POE compositions, toughening effect is served to material, and material lacks
Mouth impact strength has lifting than comparative example 1, simultaneously because the addition of POE compositions, △ L values become big after the scratch-resistant test of material,
Macroscopically reflect material not scratch-resistant.Because carry nanomete talc powder, nanometer because no magnesium carbonate whisker does carrier
Coupling reaction can not preferably occur with coupling agent for talcum powder, in the substrate disperse when reunite, it is microcosmic on can also be to high score
Subchain is isolated, and reduces toughening effects of the POE to material, while reduces and material scraping and wiping resistance performance is lifted.Comparative example 3
Nanomete talc powder is not added, but due to the enhancing of magnesium carbonate whisker and the double action of POE toughness reinforcings, the notch impact strength of material
Increase, toughness enhancing, but due to POE addition, while without the scraping and wiping resistance performance of nanomete talc powder lifting material, material it is resistance to
△ L are significantly increased after scraping test, and material scraping and wiping resistance performance is poor.And because POE composition poor heat resistances, cause modified material
Heat distortion temperature reduces obvious.The magnesium carbonate added in comparative example 4 is handled without micropore, causes nanomete talc powder after modification
Skewness in material, reunites, and the mechanical property of material is poor.Embodiment 1-4, because the presence of POE compositions, material
Notch impact strength is high, and toughness of material lifting is obvious.As comparative example test data is shown, although increase POE compositions, can reduce material
The heat distortion temperature of material, and the scraping and wiping resistance performance of material surface can be caused to decline, but magnesium carbonate whisker carries nano-talc
Powder, by coupling agent and POE compound obtained toughness reinforcing-scratch-resistant composite assistant, effectively solve because the addition pair of POE compositions
The influence of materials hot deformation temperature and scraping and wiping resistance performance.Therefore embodiment 1-4 has high tenacity, high heat distortion temperature, high scratch resistance
The advantages of wiping performance.
Described above is not limitation of the present invention, and the present invention is also not limited to the example above.The art it is common
Technical staff is in the essential scope of the present invention, the variations, modifications, additions or substitutions made, should also belong to the protection of the present invention
Scope, protection scope of the present invention are defined by claims.
Claims (8)
1. a kind of socket ultra-toughness scratch-resistant PP composite material, it is characterised in that by following raw material and its parts by weight array
Into:Polypropylene 41-61 parts, fire retardant 5-15 parts, toughness reinforcing-scratch-resistant composite assistant 20-40 parts, fire retarding synergist 5-15 parts,
0.3 part of antioxidant and anti-0.4 part of copper aging agent, wherein described toughness reinforcing-scratch-resistant composite assistant is by following raw material and its weight
Number forms:Ethylene-octene copolymer 10-15 parts, 3 parts of compatilizer, coupling agent 1-2 parts, nanomete talc powder 5-10 parts and surface
Magnesium carbonate whisker 5-10 parts with micropore.
A kind of 2. socket according to claim 1 ultra-toughness scratch-resistant PP composite material, it is characterised in that:Described
The particle diameter of nanomete talc powder is 25-50nm, and a diameter of 10 ~ 15 μm of described magnesium carbonate whisker, draw ratio is 30 ~ 50, described
The surface micropore aperture of magnesium carbonate whisker be 150-300nm.
3. a kind of socket according to claim 2 ultra-toughness scratch-resistant PP composite material, it is characterised in that described
The preparation method of the surface micropore of magnesium carbonate whisker is as follows:Magnesium carbonate whisker is used containing mass concentration as 0.15% corrosion inhibiter
Dilute sulfuric acid corroded, processing time 20s-35s, corrosion terminate after, the dilute of magnesium carbonate whisker surface is washed with deionized water
Sulfuric acid and corrosion inhibiter, that is, surface, which is made, has the magnesium carbonate whisker of micropore, wherein the mass concentration of described dilute sulfuric acid is 1%-
3%。
A kind of 4. socket according to claim 1 ultra-toughness scratch-resistant PP composite material, it is characterised in that:Described
Coupling agent is one or two kinds of mixtures of VTES and Y- aminopropyl triethoxysilanes.
A kind of 5. socket according to claim 1 ultra-toughness scratch-resistant PP composite material, it is characterised in that:Described
Compatilizer is maleic anhydride.
6. a kind of socket ultra-toughness scratch-resistant PP composite material according to any one of claim 1-5, its feature
It is:Described polyacrylic melt index is 14-40g/10min, and described fire retardant is phosphinate fire retardant, described
Fire retarding synergist is melamine cyanurate, and described antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyl) third
Acid] pentaerythritol diphosphites are in mass ratio with double (2,4- di-tert-butyl-phenyls) for pentaerythritol ester(1-1.6):1 mixing
Form, described anti-copper aging agent is Hinered phenols non-polluting copper resistant agent.
7. a kind of preparation method of socket according to claim 6 ultra-toughness scratch-resistant PP composite material, its feature
It is to comprise the following steps that:
(1)It is prepared by toughness reinforcing-scratch-resistant composite assistant:After nanomete talc powder and magnesium carbonate whisker are toasted into 4h at 80 DEG C, it will receive
Rice talcum powder and magnesium carbonate whisker mix in high-speed mixer until nanomete talc powder is evenly distributed to magnesium carbonate whisker micropore
In, the magnesium carbonate whisker for being equipped with nanomete talc powder is infiltrated into 25-30min in coupling agent afterwards, is then total to ethylene-octene
Polymers, compatilizer are well mixed in high-speed mixer, obtain toughness reinforcing-scratch-resistant composite assistant;The parts by weight of wherein each raw material
Number is as follows:Ethylene-octene copolymer 10-15 parts, 3 parts of compatilizer, coupling agent 1-2 parts, nanomete talc powder 5-10 parts and surface tool
There are magnesium carbonate whisker 5-10 parts of micropore;
(2)By the polypropylene of formula ratio, fire retardant, fire retarding synergist, antioxidant and anti-copper aging agent, mixed in high-speed mixer
Close uniform, after then being plastified with toughness reinforcing-scratch-resistant composite assistant by double screw extruder, cooling, pelletizing, obtain socket with super
Tough scratch-resistant PP composite material, wherein the parts by weight of each raw material are as follows:Polypropylene 41-61 parts, fire retardant 5-15 parts, increase
Tough-scratch-resistant composite assistant 20-40 parts, fire retarding synergist 5-15 parts, 0.3 part of antioxidant and anti-0.4 part of copper aging agent.
8. a kind of preparation method of socket ultra-toughness scratch-resistant PP composite material according to claim 7, its feature
It is:The screw slenderness ratio of described double screw extruder is 37-45, and each section of temperature and rotating speed are as shown in the table:
。
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Cited By (4)
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CN109721854A (en) * | 2018-12-30 | 2019-05-07 | 上海日之升科技有限公司 | Socket scratch-resistant PP composite material and preparation method |
CN112606240A (en) * | 2020-12-02 | 2021-04-06 | 无锡弘润森化工科技有限公司 | Production method of ABS composite powder auxiliary agent |
CN113214568A (en) * | 2021-04-30 | 2021-08-06 | 慈溪宇久电器有限公司 | Modified plastic for extension socket and preparation method thereof |
CN114806005A (en) * | 2021-10-26 | 2022-07-29 | 安徽科高新材料有限公司 | Super-tough scratch-resistant polypropylene composite material and preparation method thereof |
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CN109721854A (en) * | 2018-12-30 | 2019-05-07 | 上海日之升科技有限公司 | Socket scratch-resistant PP composite material and preparation method |
CN109721854B (en) * | 2018-12-30 | 2021-08-27 | 上海日之升科技有限公司 | Scratch-resistant PP composite material for socket and preparation method thereof |
CN112606240A (en) * | 2020-12-02 | 2021-04-06 | 无锡弘润森化工科技有限公司 | Production method of ABS composite powder auxiliary agent |
CN113214568A (en) * | 2021-04-30 | 2021-08-06 | 慈溪宇久电器有限公司 | Modified plastic for extension socket and preparation method thereof |
CN114806005A (en) * | 2021-10-26 | 2022-07-29 | 安徽科高新材料有限公司 | Super-tough scratch-resistant polypropylene composite material and preparation method thereof |
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