CN107163397A - Conductive polypropylene/nylon composite materials and preparation method thereof - Google Patents
Conductive polypropylene/nylon composite materials and preparation method thereof Download PDFInfo
- Publication number
- CN107163397A CN107163397A CN201710536640.8A CN201710536640A CN107163397A CN 107163397 A CN107163397 A CN 107163397A CN 201710536640 A CN201710536640 A CN 201710536640A CN 107163397 A CN107163397 A CN 107163397A
- Authority
- CN
- China
- Prior art keywords
- polypropylene
- composite materials
- conductive
- nylon
- nylon composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of conductive polypropylene/nylon composite materials and preparation method thereof, include each component of following percentages：Polypropylene 60~95%, nylon-20 .5~30%, bulking agent 0~20%, conductive black 3~10%, heat stabilizer 0.3~2% and processing aid 0.2~2%, the polypropylene temperature be 230 DEG C, pressure be that melt flow rate (MFR) under the conditions of 2.16kg is 1~100g/10min.The PP/PA composite of the present invention has high electrical conductivity energy, while having higher toughness and impact strength, can be widely applied to some and requires higher field to toughness of material.
Description
Technical field
The present invention relates to high polymer material and its processing and forming field, more particularly to a kind of conductive polypropylene/nylon
Composite and preparation method thereof.
Background technology
Nylon is a kind of conventional engineering plastics, and it is a kind of highly polar and can form hydrogen bond in molecule interchain, together
When the crystalline polymer with certain reactivity.Nylon has good mechanical property, wearability.But it is due to nylon
Polarity is higher, causes nylon hygroscopic, so as to influence its dimensional stability and electrical property.Polypropylene is a kind of most widely used
General-purpose plastics, compared with other general-purpose plastics, it has cost low, and good mechanical performance, chemically-resistant is well-behaved, to insulate
Property, heat resistance and the high grade of transparency, water absorption rate are low.But it is simultaneously not high there is also heat distortion temperature, low-temperature flexibility is not good, and shaping is received
Shrinkage is larger, and light resistance is poor, not the shortcomings of easy dyeing.These shortcomings limit it and widely applied.To widen its application neck
Domain, carries out for polyacrylic modification and extensively and has substantial amounts of application.Binding reactive capacity increasing technique, by nylon and poly- third
Alkene can combine the advantage of the two by the method for blending and modifying, can obtain impact resistance, high abrasion, high heat-resisting, low water suction
Rate, easy coloring, the higher PP/PA compound of shape and size stability.In the Blending Processes of polypropylene and nylon,
The bulking agent for being mixed with conductive material is added, the PP/PA composite of conductive energy can be obtained.
The content of the invention
In order to overcome drawbacks described above, the present invention provides a kind of conductive polypropylene/nylon composite materials, composite tool
There are higher electric conductivity and tensile strength.
The technical scheme that is used to solve its technical problem of the present invention is：
A kind of conductive polypropylene/nylon composite materials, it is characterised in that：Include each group of following percentages
Point：
The polypropylene temperature be 230 DEG C, pressure be that melt flow rate (MFR) under the conditions of 2.16kg is 1~100g/
10min。
Preferably, each component of following percentages is included：
The polypropylene temperature be 230 DEG C, pressure be that melt flow rate (MFR) under the conditions of 2.16kg is 20~80g/
10min。
Preferably, the nylon is at least two in caprolactam monomer, hexamethylene diamine adipic acid monomer and decanedioic acid decamethylene diamine
Plant the binary formed or ternary Nylon.
Preferably, the bulking agent is maleic anhydride inoculated polypropylene, and maleic anhydride grafting ratio is 0.2~5%.
Preferably, the heat stabilizer be phenols, amine, phosphorous acid esters, half Hinered phenols, acryloyl group functional group with
At least one of compound species and calixarenes of monothioester.
Preferably, the processing aid be low molecule esters, metal soap, stearic acid be combined esters, amide-type in extremely
Few one kind.
Preferably, the DBP absorption values of the conductive black are 85~380ml/100g.
Preferably, in addition to whisker, the whisker is at least one of carborundum, potassium titanate, aluminium borate.
Present invention also offers a kind of preparation method of conductive polypropylene/nylon composite materials, comprise the following steps：
(1) weighed respectively after polypropylene, nylon, conductive black, bulking agent, heat stabilizer, processing aid by formula consumption,
First conductive black and bulking agent are mixed, both mixtures are obtained, then again by both mixture, polypropylene, Buddhist nun
Dragon, heat stabilizer, processing aid put into mixer and are well mixed successively, pre-composition are obtained, wherein the condition mixed is：Time
3~5 minutes, 400~600 revs/min of speed, 15~50 DEG C of temperature；
(2) pre-composition obtained by being prepared in step (1) is put into double screw extruder, the length of the double screw extruder
Footpath ratio is 40~45:1, each section of temperature setting of extruder is 190~240 DEG C, and the pre-composition melts in the double screw extruder
Melt the scattered simultaneously extruding pelletization of mixing, PP/PA composite is made.
Preferably, the bulking agent is maleic anhydride inoculated polypropylene, and maleic anhydride inoculated polypropylene includes following by weight
Measure each component of part meter：
100 parts of polypropylene；
2~5 parts of maleic anhydride；
1~2 part of DCP.
The beneficial effects of the invention are as follows：There is carboxyl on the nylon molecules chain that the present invention is used, therefore can be with processing
Occur interfacial reaction with bulking agent maleic anhydride inoculated polypropylene, realize In Situ Compatibilization；The effect of heat stabilizer in the present invention
It is to suppress the degraded that polypropylene is produced in process；The effect of processing aid is to promote good point between each composition of blend
Dissipate property；Conductive black is added in the PP/PA composite of the present invention therefore with high electrical conductivity energy, had simultaneously
Higher toughness and impact strength, can be widely applied to some and requires higher field to toughness of material.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Raw material used in the present invention is as follows：
Polypropylene：EP548R, melting means 30g/10min, producer：CNOOC and Shell Petrochemicals Co., Ltd；
Nylon：Nylon 6, producer：Shanghai celluloid factory；
Maleic anhydride inoculated polypropylene：Grafting rate 0.88%, laboratory self-control；
Phosphite ester type thermal stabilizing agent：Refined precious 1010, producer：Albemarle Corporation of the U.S.；
Phenolic thermostabilizers：Refined precious 168, producer：Albemarle Corporation of the U.S.；
Processing aid：Refined precious EBS, producer：Albemarle Corporation of the U.S.；
Conductive black：Highly conductive carbon black F901, superelevation conductive black F900, producer：Tianjin Yi Borui companies.
The preparation method and test process of the present invention is as follows：
Step one：The preparation method of maleic anhydride inoculated polypropylene is as follows：First by dried PP, maleic anhydride and
After DCP weighs for the ﹕ 1 of 100 ﹕ 2 by ratio of weight and the number of copies, parallel dual-screw extruding machine (model is put into：Berstorff ZE25
Type, draw ratio is 40:1) extruded in, extruder is set as successively by feeding section to die temperature：35℃、195℃、200℃、
205 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 205 DEG C, rotating speed is 100rpm, and cooling granulation obtains masterbatch, finally by masterbatch
It is placed in stand-by after vacuum drying 12h in 80Z baking ovens；
Step 2：Consumption according to each raw material in table 1 is weighed in polypropylene, nylon, conductive black, step one and is made respectively
Maleic anhydride inoculated polypropylene, after phosphite ester type thermal stabilizing agent and phenolic thermostabilizers, processing aid, first by conductive charcoal
Black and maleic anhydride inoculated polypropylene is mixed, and obtains both mixtures, then again by both mixtures, polypropylene,
Nylon, phosphite ester type thermal stabilizing agent and phenolic thermostabilizers, processing aid put into mixer and are well mixed successively, obtain pre-
Mixed thing, wherein the condition mixed is：3~5 minutes time, 600 revs/min of speed, 23 DEG C of temperature；Finally pre-composition is put into double
In screw extruder, the draw ratio of the double screw extruder is 40:1, each section of temperature setting of extruder is 190~240 DEG C, institute
The scattered simultaneously extruding pelletization of pre-composition melting mixing in the double screw extruder is stated, PP/PA composite is made；
Step 3：The test of resistivity and tensile strength is carried out to obtained PP/PA composite；It is molded into mark
Quasi- batten tests tensile strength；Conducting polypropylene/nylon composite materials that banburying is obtained are pressed on vulcanizing press when 190 DEG C
Type 5min is made, thickness about 1mm test piece is obtained, according to GB1410-78 standard testing specific insulations.
Consumption (the unit of the embodiment 1~4 of table 1 and comparative example 1：Percentage by weight) and the performance test results
From table 1 it follows that adding the embodiment 1~4 of conductive black compared with the comparative example 1 for not adding conductive black
Compared with adding the resistivity of the PP/PA composite of conductive black reduces, therefore PP/PA composite wood of the present invention
Material has good electric conductivity, higher toughness and impact strength.
It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise,
Various modifications and improvements can be made, these belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention
It should be determined by the appended claims.
Claims (10)
1. a kind of conductive polypropylene/nylon composite materials, it is characterised in that：Include each group of following percentages
Point：
The polypropylene temperature be 230 DEG C, pressure be that melt flow rate (MFR) under the conditions of 2.16kg is 1~100g/10min.
2. conductive polypropylene/nylon composite materials according to claim 1, it is characterised in that：Including it is following by weight
The each component of percentage meter：
The polypropylene temperature be 230 DEG C, pressure be that melt flow rate (MFR) under the conditions of 2.16kg is 20~80g/10min.
3. conductive polypropylene/nylon composite materials according to claim 1, it is characterised in that：The nylon is in oneself
At least two binary formed or ternary Nylon in amide monomer, hexamethylene diamine adipic acid monomer and decanedioic acid decamethylene diamine monomer.
4. conductive polypropylene/nylon composite materials according to claim 1, it is characterised in that：The bulking agent is horse
Maleic anhydride grafted polypropylene, and maleic anhydride grafting ratio is 0.2~5%.
5. conductive polypropylene/nylon composite materials according to claim 1, it is characterised in that：The heat stabilizer is
In phenols, amine, phosphorous acid esters, half Hinered phenols, the compound species and calixarenes of acryloyl group functional group and monothioester
It is at least one.
6. conductive polypropylene/nylon composite materials according to claim 1, it is characterised in that：The processing aid is
Low molecule esters, metal soap, stearic acid are combined at least one of esters, amide-type.
7. conductive polypropylene/nylon composite materials according to claim 1, it is characterised in that：The conductive black
DBP absorption values are 85~380ml/100g.
8. conductive polypropylene/nylon composite materials according to claim 1, it is characterised in that：Also include whisker, it is described
Whisker is at least one of carborundum, potassium titanate, aluminium borate.
9. a kind of preparation method of conductive polypropylene/nylon composite materials any one of claim 1-8, its feature
It is：Step is as follows：
(1) weigh after polypropylene, nylon, conductive black, bulking agent, heat stabilizer, processing aid, first will respectively by formula consumption
Conductive black and bulking agent are mixed, and obtain both mixtures, then again by both mixtures, polypropylene, nylon, heat
Stabilizer, processing aid put into mixer and are well mixed successively, pre-composition are obtained, wherein the condition mixed is：Time 3~5
Minute, 400~600 revs/min of speed, 15~50 DEG C of temperature；
(2) pre-composition obtained by being prepared in step (1) is put into double screw extruder, the draw ratio of the double screw extruder
For 40~45:1, each section of temperature setting of extruder is 190~240 DEG C, and the pre-composition melts mixed in the double screw extruder
Scattered and extruding pelletization is closed, PP/PA composite is made.
10. the preparation method of conductive polypropylene/nylon composite materials according to claim 9, it is characterised in that：It is described
Bulking agent is maleic anhydride inoculated polypropylene, and maleic anhydride inoculated polypropylene includes following each components by weight：
100 parts of polypropylene；
2~5 parts of maleic anhydride；
1~2 part of DCP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710536640.8A CN107163397A (en) | 2017-07-04 | 2017-07-04 | Conductive polypropylene/nylon composite materials and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710536640.8A CN107163397A (en) | 2017-07-04 | 2017-07-04 | Conductive polypropylene/nylon composite materials and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107163397A true CN107163397A (en) | 2017-09-15 |
Family
ID=59822497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710536640.8A Pending CN107163397A (en) | 2017-07-04 | 2017-07-04 | Conductive polypropylene/nylon composite materials and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107163397A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192207A (en) * | 2017-12-28 | 2018-06-22 | 聚威工程塑料(上海)有限公司 | A kind of high-performance conductive PP composite material and preparation method |
| CN114716763A (en) * | 2022-03-23 | 2022-07-08 | 华润化学材料科技股份有限公司 | Anti-aging conductive polypropylene functional material and preparation method thereof |
| CN116925534A (en) * | 2022-03-29 | 2023-10-24 | 珠海万通特种工程塑料有限公司 | Nylon composition with adjustable dielectric constant and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380678A (en) * | 2016-08-26 | 2017-02-08 | 江苏金发科技新材料有限公司 | High dielectric property polypropylene/nylon/whisker composite material and preparation method thereof |
-
2017
- 2017-07-04 CN CN201710536640.8A patent/CN107163397A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106380678A (en) * | 2016-08-26 | 2017-02-08 | 江苏金发科技新材料有限公司 | High dielectric property polypropylene/nylon/whisker composite material and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| R. TCHOUDAKOV: ""Conductive Polymer Blends With Low Carbon Black Loading: Polypropylene/Polyamide"", 《POLYMER ENGINEERING AND SCIENCE》 * |
| 杨波 等: "导电炭黑在聚丙烯/极性聚合物体系中的选择性", 《功能高分子学报》 * |
| 苏雷等: "功能化聚丙烯的制备及对聚丙烯与尼龙66共混体系的增容作用 ", 《辽宁化工》 * |
| 苏雷等: "功能化聚丙烯的制备及对聚丙烯与尼龙66共混体系的增容作用", 《辽宁化工》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108192207A (en) * | 2017-12-28 | 2018-06-22 | 聚威工程塑料(上海)有限公司 | A kind of high-performance conductive PP composite material and preparation method |
| CN114716763A (en) * | 2022-03-23 | 2022-07-08 | 华润化学材料科技股份有限公司 | Anti-aging conductive polypropylene functional material and preparation method thereof |
| CN116925534A (en) * | 2022-03-29 | 2023-10-24 | 珠海万通特种工程塑料有限公司 | Nylon composition with adjustable dielectric constant and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108250747B (en) | Thermoplastic polyetherimide insulating and heat-conducting composite material and preparation method thereof | |
| CN107129630B (en) | Conductive/antistatic PP (polypropylene) -based wood-plastic composite material and preparation method thereof | |
| CN100516134C (en) | Conductive plastic material and its preparation method and application | |
| CN103862589B (en) | A kind of melt blending prepares the method for polyamide-based heat-conductive composite material | |
| CN104861297A (en) | Hexagonal boron nitride/polypropylene polymer composite and preparation method | |
| CN104629333A (en) | PC/ABS alloy plastic with excellent flame resistance and weather resistance | |
| CN107163397A (en) | Conductive polypropylene/nylon composite materials and preparation method thereof | |
| CN102634193A (en) | Carbon fiber reinforced nylon composite material and preparation method thereof and automobile brake pedal | |
| CN107474354A (en) | A kind of high dispersive graphene heat-conducting plastic preparation method and products thereof and application | |
| CN104725797B (en) | Method for preparing flame-retardant plastic composite material | |
| CN108424642A (en) | One kind can laser engraving fire-retardant nylon PA66 materials and preparation method thereof | |
| CN104629303A (en) | Carbon fiber reinforced polycarbonate-ABS blending alloy | |
| CN108285629B (en) | PC/ABS/PA6 composition and preparation method thereof | |
| CN104292391A (en) | Melting production method for unsaturated anhydride grafted chlorinated polyethylene | |
| CN103578683A (en) | Rubber magnetic strip used under low temperature and preparation method thereof | |
| CN108384229A (en) | A kind of composite fibre reinforced nylon 6 reworked material and preparation method thereof | |
| CN107189220A (en) | Antibiotic property PP/PA composite and preparation method thereof | |
| CN112063147A (en) | Two-dimensional organic metal framework MOF modified PC material | |
| CN104629312A (en) | Anti-aging conductive type PC-ABS blending alloy | |
| CN108148170A (en) | A kind of flame-proof cross-linking nylon fire proofing material and preparation method thereof | |
| CN107523002A (en) | A kind of special high oil resistant high-performance ABS alloy material of battery cell case | |
| CN104710765B (en) | The high-performance heat conductive insulating PC/ABS Alloy And Preparation Method prepared by waste electrical equipment shell | |
| CN109438905B (en) | Quaternary blending modified ABS material and preparation method thereof | |
| CN104629335A (en) | Aging-resistant reinforced PC/ABS alloy, and preparation method thereof | |
| CN103709710B (en) | PC/ABS alloy material of processing characteristics excellence and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |