CN106084453A - A kind of automobile fretting map enhancing modified polypropylene and preparation method thereof - Google Patents
A kind of automobile fretting map enhancing modified polypropylene and preparation method thereof Download PDFInfo
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- CN106084453A CN106084453A CN201610403140.2A CN201610403140A CN106084453A CN 106084453 A CN106084453 A CN 106084453A CN 201610403140 A CN201610403140 A CN 201610403140A CN 106084453 A CN106084453 A CN 106084453A
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- automobile
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- fretting map
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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
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
-
- 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
- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/044—Micropores, i.e. average diameter being between 0,1 micrometer and 0,1 millimeter
-
- 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
-
- 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
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Abstract
The invention discloses a kind of automobile fretting map enhancing modified polypropylene, be made up of the raw material of following weight fraction: polypropylene 60 90 parts；High melt strength, propylene 6 12 parts；3000 mesh schmigels 1.2 1.8 parts；5000 mesh aquamaine stone powders 0.9 1.2 parts；8000 mesh Pulvis Talci 8 16 parts；Heat stabilizer 0.1 3 parts；Toughener 1 30 parts；Sodium bicarbonate foaming agent 0.5 8 parts.Preparation method: melting mixing dispersion, extruding pelletization in the double screw extruder that draw ratio is 42:1, finally gives product.The wall thickness of the fretting map enhancing modified polypropylene foam structure that invention prepares is relatively big, and fracture phenomena significantly reduces.Foam structure is uniform, and after foaming, density is low, and resistance to elevated temperatures is greatly improved, and thermal distorsion temperature reaches the high temperature of more than 280 DEG C, and hot strength is 50 69MPa.
Description
Technical field
The present invention relates to a kind of light weight material in automobile, a kind of fretting map enhancing modified polypropylene and preparation method thereof, belong to
In macromolecular material and processing and forming field thereof.
Background technology
Atmospheric pollution is increasingly severe, and the energy is on the verge of exhaustion, and automotive environment bill is stricter, as European requirements arrives
The year two thousand twenty, the CO2 discharge of automobile is less than 95g/km.In the U.S., Obama administration has put into effect CAFE regulation (enterprise's average fuel
Economy standard), it is desirable to by 2025, the average combustion of new car reached 54.5mpg, and almost current combustion valid value obtains twice.
And in China, " China's CAFE method ", " energy-conservation and new-energy automobile industrial development planning (2012～the year two thousand twenty) " proposes, to 2015
Year, the passenger car average fuel consumption of current year's production is down to 6.9 liters/hundred kilometers, and energy-saving Passenger Car Fuel Consumption Standard consumption is down to
5.9 liters/less than hundred kilometers.To the year two thousand twenty, the passenger car average fuel consumption of current year's production is down to 5.0 liters/hundred kilometers, energy-conservation
Type Passenger Car Fuel Consumption Standard consumption is down to 4.5 liters/less than hundred kilometers.
In the face of the automobile fuel consumption regulation of increasingly stringent, each cart enterprise is seeking multiple path and is reducing oil consumption, one of them
It is exactly for automobile loss of weight.Related data shows, body of a motor car consumes the fuel oil of 70% from weighing about, and vehicle complete vehicle quality often reduces
100 kilograms, fuel consumption per hundred kilometers can reduce by 0.3～0.6 liter, and automotive light weight technology directly improves the specific power of automobile simultaneously, makes automobile
Power performance improve.Therefore, lightweight becomes the inexorable trend of automobile industry development.
Wherein, automotive material lightweight is to realize the light-weighted effective way of car load.Fretting map technology is automotive light weight technology
One of most effective approach, be introduced in the technology of preparing of automotive material, on the premise of ensureing material key property, significantly
Alleviate part weight, be advantageously implemented automotive light weight technology.Wherein, the polypropylene micro-foaming material with lightweight feature substitutes not
Expanded material, in the case of performance meets, parts loss of weight more than 10%.At partial automobile parts, such as instrument board, seat
The parts such as chair, trunk cover plate are applied, wide market.
Fretting map technology has a lot of technological difficulties, such as the dispersion of foaming agent, and smoothness of product surface etc., however domestic
These several years in micro-foaming polypropylene field or some progress.Such as patent CN 103788480 A, carry out poly-third with ADC foaming agent
Alkene foams, and such foaming agent can obtain preferable experiment effect in experiment rank, but if for automobile door plate or instrument board
Effect unknown, additionally the decomposition temperature of ADC foaming agent is higher, and more than 210 degree, foaming is difficult to control to.Patent CN
104140591 A, have studied the PP foaming situation of (40-70) under high filling, and the low filling to less than 40 is not studied.This body
System only have studied melt index situation of expanded material in the range of 0.2～30 of final products, not to more than 30 happy and harmonious indexes
System memory research, and the melt index of actual industrialization more than 30 is more of practical significance.
It is contemplated that invent a kind of novel lightweight filling-foam, with more novel blowing agent type, combination, it is achieved
Fretting map.The present invention, on the premise of guaranteeing polypropylene fretting map lightweight, has no effect on other physical property, as tension is strong
Degree, bending strength, heat resistance, impact strength etc., the most also it is improved.This patent obtains the light-weighted high-performance of fretting map
Polypropylene material, and the preparation method of this material is provided, the method technique is simple, and production efficiency is high, it is easy to accomplish industrialization.
Summary of the invention
The technical problem existed based on background technology, the present invention is directed to the problem that background technology exists, it is provided that a kind of new
Fretting map light-weighted high-performance polypropylene material.The wall thickness of the fretting map enhancing modified polypropylene foam structure that invention prepares is relatively
Greatly, fracture phenomena significantly reduces.Foam structure is uniform, and after foaming, density is low, and resistance to elevated temperatures is greatly improved, and thermal distorsion temperature reaches
The high temperature of more than 280 DEG C, hot strength is 50-69MPa.
The purpose of the present invention is achieved through the following technical solutions:
A kind of automobile fretting map enhancing modified polypropylene, is made up of the raw material of following weight fraction:
Described a kind of automobile polyacrylic preparation method of fretting map enhancing modified is:
In the double screw extruder that draw ratio is 42:1 melting mixing dispersion, each section of temperature of extruder be arranged on 200 DEG C,
220 DEG C, 220 DEG C, 230 DEG C, 230 DEG C, 240 DEG C, extruding pelletization, finally give product.
Prior art has had people to study the addition of the inorganic powder particles such as Pulvis Talci in detail to polypropylene spun-bonded nonwovens
Impact, inventors have surprisingly discovered that, adding trace, a certain proportion of, aquamaine stone powder and white fused alumina under specified particle diameter are thin
Powder, can be obviously improved the performance of polypropylene spun-bonded nonwovens.
Kyanite is one of representative region metamorphic mineral, how to be formed by argillaceous rocks is rotten.It to be formed at, and middle rank is rotten to be made
With pressure higher under conditions of.It is present in: regional metamorphism schist and gneiss and related crystal granite and quartz vein；With stone
Garnet, staurolite, Muscovitum and quartz symbiosis.The kyanite of natural output, often close to ideal composition.Kyanite high temperature lower body
Long-pending expansion, when the temperature decreases, change in volume is the least, is i.e. to have irreversibility to convert the volume-expanding characteristics produced；Stability:
The refractory material stability that kyanite produces is higher 1.5 times than fireclay refractory；Refractoriness is high: general fireclay refractory
Refractoriness is 1670～1770 DEG C, and kyanite refractory material is typically larger than 1790 DEG C, also has preferable resist chemical special
Property.Due to the characteristic of kyanite mineral, therefore it is used for manufacturing excellent high grade refractory, fireclay mortar, cement and cast resistance to system
Product, and plastics ramming compound, technical ceramics, the spark plug of automobile engine, insulator, ball mill sphere, tester,
Shatter-proof article etc., and available electrothermal way refining silico-aluminum, be applied on the parts of aircraft, automobile, train, boats and ships.
The invention have benefit that:
The wall thickness of the fretting map enhancing modified polypropylene foam structure that the present invention prepares is relatively big, and fracture phenomena significantly reduces.
Foam structure is uniform, cell diameter average 6-8 μm, and rate of closed hole is more than 95%, and cell density is the biggest, more than 8.9 × 108
Individual/cm3.Density as little as 1.12-1.13g/cm after foaming3, resistance to elevated temperatures is greatly improved, and thermal distorsion temperature reaches more than 280 DEG C
High temperature, hot strength is 50-69MPa.
Accompanying drawing explanation
Fig. 1 is final foaming product sectional view, and final product structure is class sandwich structure, bright and clean layer-foaming layer-
Bright and clean layer.
Detailed description of the invention
Embodiment 1:
A kind of automobile fretting map enhancing modified polypropylene, is made up of the raw material of following weight fraction:
Described high melt strength, propylene is for being commercially available: HMSPP:1684, chemical company of Basel.
The described automobile polyacrylic preparation method of fretting map enhancing modified is:
In the double screw extruder that draw ratio is 42:1 melting mixing dispersion, each section of temperature of extruder be arranged on 200 DEG C,
220 DEG C, 220 DEG C, 230 DEG C, 230 DEG C, 240 DEG C, extruding pelletization, finally give product.
The wall thickness of the fretting map enhancing modified polypropylene foam structure that the present embodiment prepares is relatively big, and fracture phenomena substantially subtracts
Few.
Embodiment 2:
A kind of automobile fretting map enhancing modified polypropylene, is made up of the raw material of following weight fraction:
Described high melt strength, propylene is for being commercially available: HMSPP:1684, chemical company of Basel.
The described automobile polyacrylic preparation method of fretting map enhancing modified is:
In the double screw extruder that draw ratio is 42:1 melting mixing dispersion, each section of temperature of extruder be arranged on 200 DEG C,
220 DEG C, 220 DEG C, 230 DEG C, 230 DEG C, 240 DEG C, extruding pelletization, finally give product.
The wall thickness of the fretting map enhancing modified polypropylene foam structure that the present embodiment prepares is relatively big, and fracture phenomena substantially subtracts
Few.
Embodiment 3:
A kind of automobile fretting map enhancing modified polypropylene, is made up of the raw material of following weight fraction:
Described high melt strength, propylene is for being commercially available: HMSPP:1684, chemical company of Basel.
Described a kind of automobile polyacrylic preparation method of fretting map enhancing modified is:
In the double screw extruder that draw ratio is 42:1 melting mixing dispersion, each section of temperature of extruder be arranged on 200 DEG C,
220 DEG C, 220 DEG C, 230 DEG C, 230 DEG C, 240 DEG C, extruding pelletization, finally give product.
The wall thickness of the fretting map enhancing modified polypropylene foam structure that the present embodiment prepares is relatively big, and fracture phenomena substantially subtracts
Few.
Embodiment 4:
A kind of automobile fretting map enhancing modified polypropylene, is made up of the raw material of following weight fraction:
Described high melt strength, propylene is for being commercially available: HMSPP:1684, chemical company of Basel.
Described a kind of automobile polyacrylic preparation method of fretting map enhancing modified is:
In the double screw extruder that draw ratio is 42:1 melting mixing dispersion, each section of temperature of extruder be arranged on 200 DEG C,
220 DEG C, 220 DEG C, 230 DEG C, 230 DEG C, 240 DEG C, extruding pelletization, finally give product.
The wall thickness of the fretting map enhancing modified polypropylene foam structure that the present embodiment prepares is relatively big, and fracture phenomena substantially subtracts
Few.
Embodiment 5:
A kind of automobile fretting map enhancing modified polypropylene, is made up of the raw material of following weight fraction:
Described high melt strength, propylene is for being commercially available: HMSPP:1684, chemical company of Basel.
Described a kind of automobile polyacrylic preparation method of fretting map enhancing modified is:
In the double screw extruder that draw ratio is 42:1 melting mixing dispersion, each section of temperature of extruder be arranged on 200 DEG C,
220 DEG C, 220 DEG C, 230 DEG C, 230 DEG C, 240 DEG C, extruding pelletization, finally give product.
The wall thickness of the fretting map enhancing modified polypropylene foam structure that the present embodiment prepares is relatively big, and fracture phenomena substantially subtracts
Few.
Embodiment 6:
Comparative example 1: be not added with aquamaine stone powder and schmigel:
Described high melt strength, propylene is for being commercially available: HMSPP:1684, chemical company of Basel.
A kind of automobile fretting map enhancing modified polypropylene, is made up of the raw material of following weight fraction:
Described high melt strength, propylene is for being commercially available: HMSPP:1684, chemical company of Basel.
Described a kind of automobile polyacrylic preparation method of fretting map enhancing modified is:
In the double screw extruder that draw ratio is 42:1 melting mixing dispersion, each section of temperature of extruder be arranged on 200 DEG C,
220 DEG C, 220 DEG C, 230 DEG C, 230 DEG C, 240 DEG C, extruding pelletization, finally give product.
The wall thickness of the fretting map enhancing modified polypropylene foam structure that the present embodiment prepares is relatively thin, and fracture phenomena is obvious.
Comparative example 2: with varigrained aquamaine stone powder and schmigel:
A kind of automobile fretting map enhancing modified polypropylene, is made up of the raw material of following weight fraction:
Described high melt strength, propylene is for being commercially available: HMSPP:1684, chemical company of Basel.
Described a kind of automobile polyacrylic preparation method of fretting map enhancing modified is:
In the double screw extruder that draw ratio is 42:1 melting mixing dispersion, each section of temperature of extruder be arranged on 200 DEG C,
220 DEG C, 220 DEG C, 230 DEG C, 230 DEG C, 240 DEG C, extruding pelletization, finally give product.
The wall thickness of the fretting map enhancing modified polypropylene foam structure that the present embodiment prepares is thicker, foam structure uniform cell
Even structure fracture phenomena significantly reduces.
Detecting the properties of embodiment 1-5 and comparative example 1-2, initial testing result is as shown in table 1:
Table 1
As can be seen here, the wall thickness of the fretting map enhancing modified polypropylene foam structure that invention prepares is relatively big, and fracture phenomena is bright
Aobvious minimizing.Foam structure is uniform, cell diameter average 6-8 μm, and rate of closed hole is more than 95%, and cell density is the biggest, more than 8.9
×108Individual/cm3.Density as little as 1.12-1.13g/cm after foaming3, resistance to elevated temperatures is greatly improved, and thermal distorsion temperature reaches 280 DEG C
Above high temperature, hot strength is 50-69MPa.
Even additionally, adding different aquamaine stone powders and white alundum powder all without promoting modified polypropene foam structure
Can, infer that addition aquamaine stone powder and white alundum powder can play synergism in whole system under specified particle diameter and ratio,
Promote the improvement of crystal structure.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (5)
1. an automobile fretting map enhancing modified polypropylene, is made up of the raw material of following weight fraction:
2. the fretting map enhancing modified polypropylene of the automobile described in claim 1, it is characterised in that:
Described high melt strength, propylene is HMSPP:1684, chemical company of Basel.
3. the fretting map enhancing modified polypropylene of the automobile described in claim 2, it is characterised in that:
Described a kind of automobile polyacrylic preparation method of fretting map enhancing modified is:
4. the automobile polyacrylic preparation method of fretting map enhancing modified described in claim 1-3:
In the double screw extruder that draw ratio is 42:1, melting mixing dispersion, extruding pelletization, finally give product.
5. the automobile polyacrylic preparation method of fretting map enhancing modified described in claim 3, it is characterised in that:
Each section of temperature of extruder is arranged on 200 DEG C, 220 DEG C, 220 DEG C, 230 DEG C, 230 DEG C, 240 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791022A (en) * | 2019-09-24 | 2020-02-14 | 宁波一彬电子科技股份有限公司 | High melt strength polypropylene for micro-foaming injection molding and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104716A (en) * | 2006-07-13 | 2008-01-16 | 中国石油化工股份有限公司 | Expandable polypropylene beading, preparation method thereof, and its foaming beading and foaming molding products |
| CN102115561A (en) * | 2009-12-30 | 2011-07-06 | 李晓丽 | Physical foaming polypropylene sheet material |
| CN103788480A (en) * | 2013-12-25 | 2014-05-14 | 上海金发科技发展有限公司 | Micro-foaming injection polypropylene composite for automotive interiors as well as preparation method and use of composite |
| CN105001509A (en) * | 2015-06-24 | 2015-10-28 | 南京聚隆科技股份有限公司 | Polypropylene micro-foamed material with high surface quality and preparation method thereof |
| CN105566750A (en) * | 2014-11-10 | 2016-05-11 | 合肥杰事杰新材料股份有限公司 | Volatile matter-removing master batch, and low-odor and low-volatility automotive interior decorative composite material and preparation method thereof |
| CN105602096A (en) * | 2014-11-21 | 2016-05-25 | 合肥杰事杰新材料股份有限公司 | Low-volatility polypropylene composite material used for automobile inner-decoration material and preparation method thereof |
-
2016
- 2016-06-08 CN CN201610403140.2A patent/CN106084453A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104716A (en) * | 2006-07-13 | 2008-01-16 | 中国石油化工股份有限公司 | Expandable polypropylene beading, preparation method thereof, and its foaming beading and foaming molding products |
| CN102115561A (en) * | 2009-12-30 | 2011-07-06 | 李晓丽 | Physical foaming polypropylene sheet material |
| CN103788480A (en) * | 2013-12-25 | 2014-05-14 | 上海金发科技发展有限公司 | Micro-foaming injection polypropylene composite for automotive interiors as well as preparation method and use of composite |
| CN105566750A (en) * | 2014-11-10 | 2016-05-11 | 合肥杰事杰新材料股份有限公司 | Volatile matter-removing master batch, and low-odor and low-volatility automotive interior decorative composite material and preparation method thereof |
| CN105602096A (en) * | 2014-11-21 | 2016-05-25 | 合肥杰事杰新材料股份有限公司 | Low-volatility polypropylene composite material used for automobile inner-decoration material and preparation method thereof |
| CN105001509A (en) * | 2015-06-24 | 2015-10-28 | 南京聚隆科技股份有限公司 | Polypropylene micro-foamed material with high surface quality and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 张玉龙: "《塑料粒料制备实例》", 30 April 2005, 机械工业出版社 * |
| 杨中文: "《塑料用树脂与助剂》", 31 December 2009, 印刷工业出版社 * |
| 贾红兵等: "《高分子材料 第二版》", 31 December 2013, 南京大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110791022A (en) * | 2019-09-24 | 2020-02-14 | 宁波一彬电子科技股份有限公司 | High melt strength polypropylene for micro-foaming injection molding and preparation method thereof |
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Application publication date: 20161109 |