CN107987380A - A kind of preparation method of automobile instrument panel composite polypropylene plastics - Google Patents
A kind of preparation method of automobile instrument panel composite polypropylene plastics Download PDFInfo
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- CN107987380A CN107987380A CN201711218435.3A CN201711218435A CN107987380A CN 107987380 A CN107987380 A CN 107987380A CN 201711218435 A CN201711218435 A CN 201711218435A CN 107987380 A CN107987380 A CN 107987380A
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- Prior art keywords
- instrument panel
- automobile instrument
- polypropylene plastics
- rilanit special
- preparation
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- 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)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of preparation method the invention discloses automobile instrument panel with composite polypropylene plastics, includes the following steps：Rilanit special, potassium hydroxide are uniformly mixed, heated up, adds ethylene oxide stirring, regulation system is in neutrality, and is subsequently added into potassium hydroxide, propylene oxide continues stirring and obtains rilanit special compound；Rilanit special compound, C9 Petropols, ethyl orthosilicate, maleic anhydride are uniformly mixing to obtain prefabricated material；Polypropylene, ethylene propylene diene rubber, styrene butadiene thermoplastic elastomer (TPE), carbon fiber, quartz sand, zeolite powder, medical stone powder, talcum powder, dibenzoyl peroxide, dispersant, antioxidant, light stabilizer, ultra-violet absorber stirring are added into prefabricated material, extruding pelletization, cooling, injection molding obtain automobile instrument panel composite polypropylene plastics.
Description
Technical field
The present invention relates to instrument board technical field, more particularly to a kind of preparation of composite polypropylene plastics of automobile instrument panel
Method.
Background technology
With the development of society, people's living standard increasingly improves, automobile has been increasingly becoming a part for people's life.People
Requirement to automobile it is also higher and higher, not requiring nothing more than automobile has good performance, and pursue automobile have it is good
Appearance profile and Comfortable attractive interior trim.
Automobile instrument panel is the important component of body of a motor car, is the most important part of vehicle body far more than car conour
One of, the instrument board of automobile mainly has polypropylene plastics composition, therefore the quality of injected plastics material is the important of influence automotive trim
The problem of factor, polypropylene plastics is difficult in the presence of the demoulding at present, and surface gloss is poor, it would be highly desirable to solve.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of automobile instrument panel composite polypropylene plastics
Preparation method, solve the technical problem for demoulding difficulty in injection molding for the instrument board of automobile, and between each raw material
Compatibility is good, and injection stability is good, products obtained therefrom stable quality, and surface gloss is high, improves production efficiency, reduces production
Cost.
A kind of automobile instrument panel preparation method of composite polypropylene plastics proposed by the present invention, includes the following steps：
Rilanit special, potassium hydroxide, be uniformly mixed by S1, heats up, and ethylene oxide stirring is added, during regulation system is in
Property, it is subsequently added into potassium hydroxide, propylene oxide continues stirring and obtains rilanit special compound；
S2, rilanit special compound, C9 Petropols, ethyl orthosilicate, maleic anhydride be uniformly mixing to obtain it is prefabricated
Material；
S3, add polypropylene, ethylene propylene diene rubber, styrene butadiene thermoplasticelastomer, carbon fibre into prefabricated material
It is dimension, quartz sand, zeolite powder, medical stone powder, talcum powder, dibenzoyl peroxide, dispersant, antioxidant, light stabilizer, ultraviolet
Light absorbers stir, extruding pelletization, and cooling, injection molding obtains automobile instrument panel composite polypropylene plastics.
Preferably, in S1, rilanit special, potassium hydroxide, ethylene oxide, potassium hydroxide, the weight ratio of propylene oxide are
2-8：0.1-0.2：30-50：0.1-0.2：2-5.
Preferably, in S1, rilanit special, potassium hydroxide is uniformly mixed, are warming up to 120-135 DEG C, adds epoxy
Ethane stirs 2-4h, and regulation system is in neutrality, and is subsequently added into potassium hydroxide, propylene oxide continues to stir 15-25min, obtains hydrogen
Change castor oil compound.
Preferably, in S2, rilanit special compound, C9 Petropols, ethyl orthosilicate, the weight ratio of maleic anhydride are
6-12：3-5：2-4：2-4.
Preferably, in S2, rilanit special compound, C9 Petropols, ethyl orthosilicate, maleic anhydride are stirred equal
Even, mixing speed 3200-3500r/min, obtains prefabricated material.
Preferably, in S3, prefabricated material, polypropylene, ethylene propylene diene rubber, styrene butadiene thermoplasticelastomer, carbon are fine
It is dimension, quartz sand, zeolite powder, medical stone powder, talcum powder, dibenzoyl peroxide, dispersant, antioxidant, light stabilizer, ultraviolet
The weight ratio of light absorbers is 15-25：80-100：10-20：4-10：3-8：6-12：4-12：8-16：4-10：2-3：2-4：2-
4：2-4：2-4.
Preferably, in S3, polypropylene, ethylene propylene diene rubber, styrene-butadiene thermoplastic elastic are added into prefabricated material
Body, carbon fiber, quartz sand, zeolite powder, medical stone powder, talcum powder, dibenzoyl peroxide, dispersant, antioxidant, light are stablized
Agent, ultra-violet absorber stirring 10-20min, whipping temp is 85-95 DEG C, and extruding pelletization, extrusion temperature is 185-200 DEG C, cold
But, injection molding obtains automobile instrument panel composite polypropylene plastics.
The present invention solves the technical problem for demoulding difficulty in injection molding for the instrument board of automobile, and each raw material
Between compatibility it is good, injection stability is good, products obtained therefrom stable quality, and surface gloss is high, improves production efficiency, reduces life
Produce cost.
In rilanit special compound, rilanit special is successively with ethylene oxide, propylene oxide with firm ehter bond knot
Structure connects, and toughening effect is fabulous, and stability is good, and with it is good emulsify, disperse, soaking, solubilizing effect；Rilanit special is answered
The degree of scatter of compound and C9 Petropols, ethyl orthosilicate, maleic anhydride is high, can promote to disperse to combine between other raw materials,
Bond strength is high, and high lubricating effect, can improve article removal effect, while surface gloss is high, sealing water proofing property pole
Height, effectively improves product effect safe to use；Rilanit special compound can be covered in carbon fiber, quartz sand, zeolite powder, wheat meal
Mountain flour, talcum powder surface form flexible interface layer, and under the cooperation of C9 Petropols, ethyl orthosilicate, maleic anhydride can improve
Above-mentioned inorganic filler and the bond strength of organic matter, compatibility further enhance, and stripping result is good, and product surface is smooth, and
Preparation process is simple, easy to practical operation.
Embodiment
In the following, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of automobile instrument panel preparation method of composite polypropylene plastics, includes the following steps：
2kg rilanit specials, 0.2kg potassium hydroxide, be uniformly mixed by S1, is warming up to 120 DEG C, adds 50kg epoxy second
Alkane stirs 2h, and regulation system is in neutrality, and is subsequently added into 0.2kg potassium hydroxide, 2kg propylene oxide continues to stir 25min, obtains hydrogen
Change castor oil compound；
S2, by 6kg rilanit specials compound, 5kgC9 Petropols, 2kg ethyl orthosilicates, 4kg maleic anhydrides stir
Uniformly, mixing speed 3200r/min, obtains prefabricated material；
S3, add 80kg polypropylene, 20kg ethylene propylene diene rubbers, 4kg styrene-butadiene thermoplastics into the prefabricated material of 25kg
Property elastomer, 8kg carbon fibers, 6kg quartz sands, 12kg zeolite powders, 8kg medical stone powders, 10kg talcum powder, 2kg diphenyl peroxides
Formyl, 4kg dispersants, 2kg antioxidants, 4kg light stabilizers, 2kg ultra-violet absorbers stirring 20min, whipping temp 85
DEG C, extruding pelletization, extrusion temperature is 200 DEG C, and cooling, injection molding obtains automobile instrument panel composite polypropylene plastics.
Embodiment 2
A kind of automobile instrument panel preparation method of composite polypropylene plastics, includes the following steps：
8kg rilanit specials, 0.1kg potassium hydroxide, be uniformly mixed by S1, is warming up to 135 DEG C, adds 30kg epoxy second
Alkane stirs 4h, and regulation system is in neutrality, and is subsequently added into 0.1kg potassium hydroxide, 5kg propylene oxide continues to stir 15min, obtains hydrogen
Change castor oil compound；
S2, by 12kg rilanit specials compound, 3kgC9 Petropols, 4kg ethyl orthosilicates, 2kg maleic anhydrides stir
Uniformly, mixing speed 3500r/min, obtains prefabricated material；
S3, add 100kg polypropylene, 10kg ethylene propylene diene rubbers, 10kg styrene-butadienes heat into the prefabricated material of 15kg
Thermoplastic elastic, 3kg carbon fibers, 12kg quartz sands, 4kg zeolite powders, 16kg medical stone powders, 4kg talcum powder, 3kg peroxidating two
Benzoyl, 2kg dispersants, 4kg antioxidants, 2kg light stabilizers, 4kg ultra-violet absorbers stirring 10min, whipping temp are
95 DEG C, extruding pelletization, extrusion temperature is 185 DEG C, and cooling, injection molding obtains automobile instrument panel composite polypropylene plastics.
Embodiment 3
A kind of automobile instrument panel preparation method of composite polypropylene plastics, includes the following steps：
4kg rilanit specials, 0.18kg potassium hydroxide, be uniformly mixed by S1, is warming up to 125 DEG C, adds 45kg epoxies
Ethane stirs 2.5h, and regulation system is in neutrality, and is subsequently added into 0.18kg potassium hydroxide, 3kg propylene oxide continues to stir 22min,
Obtain rilanit special compound；
S2, by 8kg rilanit specials compound, 4.5kgC9 Petropols, 2.5kg ethyl orthosilicates, 3.5kg maleic acids
Acid anhydride stirs evenly, and mixing speed 3300-3400r/min, obtains prefabricated material；
S3, add 95kg polypropylene, 12kg ethylene propylene diene rubbers, 8kg styrene-butadiene thermoplastics into the prefabricated material of 18kg
Property elastomer, 4kg carbon fibers, 10kg quartz sands, 6kg zeolite powders, 14kg medical stone powders, 6kg talcum powder, 2.8kg peroxidating two
Benzoyl, 2.5kg dispersants, 3.5kg antioxidants, 2.5kg light stabilizers, 3.5kg ultra-violet absorbers stirring 12min, are stirred
Temperature is mixed as 92 DEG C, extruding pelletization, extrusion temperature is 190 DEG C, and cooling, injection molding obtains automobile instrument panel composite polypropylene
Plastics.
Embodiment 4
A kind of automobile instrument panel preparation method of composite polypropylene plastics, includes the following steps：
6kg rilanit specials, 0.12kg potassium hydroxide, be uniformly mixed by S1, is warming up to 130 DEG C, adds 35kg epoxies
Ethane stirs 3.5h, and regulation system is in neutrality, and is subsequently added into 0.12kg potassium hydroxide, 4kg propylene oxide continues to stir 18min,
Obtain rilanit special compound；
S2, by 10kg rilanit specials compound, 3.5kgC9 Petropols, 3.5kg ethyl orthosilicates, 2.5kg maleic acids
Acid anhydride stirs evenly, and mixing speed 3400r/min, obtains prefabricated material；
S3, add 95kg polypropylene, 12kg ethylene propylene diene rubbers, 8kg styrene-butadiene thermoplastics into the prefabricated material of 18kg
Property elastomer, 4kg carbon fibers, 10kg quartz sands, 6kg zeolite powders, 14kg medical stone powders, 6kg talcum powder, 2.8kg peroxidating two
Benzoyl, 2.5kg dispersants, 3.5kg antioxidants, 2.5kg light stabilizers, 3.5kg ultra-violet absorbers stirring 12min, are stirred
Temperature is mixed as 92 DEG C, extruding pelletization, extrusion temperature is 190 DEG C, and cooling, injection molding obtains automobile instrument panel composite polypropylene
Plastics.
4 gained automobile instrument panel of embodiment is carried out with PP composite material and general-utility car instrument with polypropylene plastics
Performance test, its result are as follows：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of automobile instrument panel preparation method of composite polypropylene plastics, it is characterised in that include the following steps：
Rilanit special, potassium hydroxide, be uniformly mixed by S1, heats up, and adds ethylene oxide stirring, and regulation system is in neutrality,
It is subsequently added into potassium hydroxide, propylene oxide continues stirring and obtains rilanit special compound；
S2, by rilanit special compound, C9 Petropols, ethyl orthosilicate, maleic anhydride be uniformly mixing to obtain prefabricated material；
S3, add polypropylene, ethylene propylene diene rubber, styrene butadiene thermoplasticelastomer, carbon fiber, stone into prefabricated material
Sand, zeolite powder, medical stone powder, talcum powder, dibenzoyl peroxide, dispersant, antioxidant, light stabilizer, ultraviolet are inhaled
Agent stirring is received, extruding pelletization cools down, and injection molding obtains automobile instrument panel composite polypropylene plastics.
2. the preparation method of automobile instrument panel composite polypropylene plastics according to claim 1, it is characterised in that in S1,
Rilanit special, potassium hydroxide, ethylene oxide, potassium hydroxide, the weight ratio of propylene oxide are 2-8：0.1-0.2：30-50：
0.1-0.2：2-5.
3. the automobile instrument panel according to claim 1 or claim 2 preparation method of composite polypropylene plastics, it is characterised in that S1
In, rilanit special, potassium hydroxide are uniformly mixed, are warming up to 120-135 DEG C, ethylene oxide stirring 2-4h is added, adjusts
System is in neutrality, be subsequently added into potassium hydroxide, propylene oxide continue stir 15-25min, obtain rilanit special compound.
4. according to the preparation method of any one of claim 1-3 automobile instrument panel composite polypropylene plastics, its feature exists
In in S2, rilanit special compound, C9 Petropols, ethyl orthosilicate, the weight ratio of maleic anhydride are 6-12：3-5：2-
4：2-4.
5. according to the preparation method of any one of claim 1-4 automobile instrument panel composite polypropylene plastics, its feature exists
In in S2, rilanit special compound, C9 Petropols, ethyl orthosilicate, maleic anhydride being stirred evenly, mixing speed is
3200-3500r/min, obtains prefabricated material.
6. according to the preparation method of any one of claim 1-5 automobile instrument panel composite polypropylene plastics, its feature exists
In, in S3, prefabricated material, polypropylene, ethylene propylene diene rubber, styrene butadiene thermoplasticelastomer, carbon fiber, quartz sand, boiling
Mountain flour, medical stone powder, talcum powder, dibenzoyl peroxide, dispersant, antioxidant, light stabilizer, the weight of ultra-violet absorber
It is 15-25 to measure ratio：80-100：10-20：4-10：3-8：6-12：4-12：8-16：4-10：2-3：2-4：2-4：2-4：2-4.
7. according to the preparation method of any one of claim 1-6 automobile instrument panel composite polypropylene plastics, its feature exists
In, in S3, addition polypropylene, ethylene propylene diene rubber, styrene butadiene thermoplasticelastomer, carbon fiber, stone into prefabricated material
Sand, zeolite powder, medical stone powder, talcum powder, dibenzoyl peroxide, dispersant, antioxidant, light stabilizer, ultraviolet are inhaled
Agent stirring 10-20min is received, whipping temp is 85-95 DEG C, and extruding pelletization, extrusion temperature is 185-200 DEG C, cooling, injection molding
Obtain automobile instrument panel composite polypropylene plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711218435.3A CN107987380A (en) | 2017-11-28 | 2017-11-28 | A kind of preparation method of automobile instrument panel composite polypropylene plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711218435.3A CN107987380A (en) | 2017-11-28 | 2017-11-28 | A kind of preparation method of automobile instrument panel composite polypropylene plastics |
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| CN107987380A true CN107987380A (en) | 2018-05-04 |
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| CN201711218435.3A Withdrawn CN107987380A (en) | 2017-11-28 | 2017-11-28 | A kind of preparation method of automobile instrument panel composite polypropylene plastics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109760280A (en) * | 2019-02-19 | 2019-05-17 | 南通益颖机械科技有限公司 | A kind of bumper production technology and formula |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282755A (en) * | 1999-07-29 | 2001-02-07 | 上海杰事杰新材料股份有限公司 | Ultra-high-toughness high-strength polypropylene composition and its preparing process |
| CN104292653A (en) * | 2014-09-26 | 2015-01-21 | 苏州博利迈新材料科技有限公司 | Automobile instrument board and preparation method thereof |
| CN104693606A (en) * | 2015-03-11 | 2015-06-10 | 宁波家联塑料科技有限公司 | Plant fiber-reinforced polypropylene composite material and preparation method thereof, and application of plant fiber-reinforced polypropylene composite material in preparation of automobile components |
-
2017
- 2017-11-28 CN CN201711218435.3A patent/CN107987380A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282755A (en) * | 1999-07-29 | 2001-02-07 | 上海杰事杰新材料股份有限公司 | Ultra-high-toughness high-strength polypropylene composition and its preparing process |
| CN104292653A (en) * | 2014-09-26 | 2015-01-21 | 苏州博利迈新材料科技有限公司 | Automobile instrument board and preparation method thereof |
| CN104693606A (en) * | 2015-03-11 | 2015-06-10 | 宁波家联塑料科技有限公司 | Plant fiber-reinforced polypropylene composite material and preparation method thereof, and application of plant fiber-reinforced polypropylene composite material in preparation of automobile components |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109760280A (en) * | 2019-02-19 | 2019-05-17 | 南通益颖机械科技有限公司 | A kind of bumper production technology and formula |
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Application publication date: 20180504 |