CN109021381A - A kind of polypropylene modification plastics and preparation method - Google Patents
A kind of polypropylene modification plastics and preparation method Download PDFInfo
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- CN109021381A CN109021381A CN201810602671.3A CN201810602671A CN109021381A CN 109021381 A CN109021381 A CN 109021381A CN 201810602671 A CN201810602671 A CN 201810602671A CN 109021381 A CN109021381 A CN 109021381A
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- polypropylene
- polypropylene modification
- resistant agent
- plastics
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
Abstract
The invention discloses a kind of polypropylene modification plastics and preparation methods, specially modified plastics technical field.The polypropylene modification plastics include following raw material: 80 parts of polypropylene, 2 parts of heat stabilizer, 2 parts of light stabilizer, 15 parts of siloxane modified polyurethane wax, 3 parts of plasticizer, 10 parts of diethyl malonate, 12 parts of fully sulfurized silicon rubber powder, 10 parts of tricresyl phosphate, 5 parts of pentaerythritol stearate, 6 parts of glass fibre, 4 parts of inorganic nano powder, 4 parts of damage resistant agent.Modified polypropylene composite has good scratch-resistant performance, excellent heat distortion temperature, superior tensile strength and bending modulus, excellent heat and moisture aging resistance, and light resistance is also enhanced, and product has good gloss and three-dimensional sense, greatly expand its application range, and requirement that is low in cost, being able to satisfy automobile-used modified polypropylene composite material.
Description
Technical field
The present invention relates to a kind of polypropylene modification plastics and preparation methods, specially modified plastics technical field.
Background technique
Acrylic resin has good physical property and mouldability, also has good chemical corrosion resistance, free from extraneous odour, nontoxic etc.
Advantage, as a kind of environmentally friendly material, use scope is being expanded rapidly.Especially in household electrical appliances and auto industry.
With the continuous improvement of automotive light weight technology demand, polypropylene material is with its low-gravity, excellent mechanical property, low cost, Yi Jia
The characteristics such as work are widely used in auto parts and components, including bumper, instrument board, door-plate, column etc..Fibre reinforced composites with
Its excellent mechanical property is widely used in the fields such as aerospace, automobile, sports.
But unmodified polypropylene material is there are many defects, such as common polypropylene material glossiness are poor
Raising glossiness.Some fields are to spray sub-gloss varnish on the surface of the material, but this method higher cost, and are held in use process
It easily causes coat of paint to fall off, needs to handle again after long-time, be not able to satisfy people's requirement, and unmodified polypropylene is scratch-resistant
Difference, tensile strength is lower, and since polypropylene quality is light, intensity is relatively weak, and it is multiple not to be able to satisfy automobile-used modified polypropene
The requirement of condensation material, therefore limit its scope of application.
Summary of the invention
The purpose of the present invention is to provide a kind of polypropylene modification plastics and preparation methods.
To achieve the above object, the invention provides the following technical scheme: a kind of polypropylene modification plastics include following weight
Part raw material: 78-85 parts of polypropylene, 2-3 parts of light stabilizer, 10-16 parts of siloxane modified polyurethane wax, increases 1-3 parts of heat stabilizer
Mould agent 2-5 parts, 8-12 parts of diethyl malonate, 10-15 parts of fully sulfurized silicon rubber powder, 8-12 parts of tricresyl phosphate, season penta
4-8 parts of tetrol stearate, 5-8 parts of glass fibre, 2-5 parts of inorganic nano powder, 1-5 parts of damage resistant agent.
Further preferably, the polypropylene modification plastics include following raw material: 80 parts of polypropylene, heat stabilizer
2 parts, 2 parts of light stabilizer, 15 parts of siloxane modified polyurethane wax, 3 parts of plasticizer, 10 parts of diethyl malonate, form of finely divided powder, mehtod
12 parts of silicon rubber, 10 parts of tricresyl phosphate, 5 parts of pentaerythritol stearate, 6 parts of glass fibre, 4 parts of inorganic nano powder,
4 parts of damage resistant agent.
Preferably, the damage resistant agent in the agent of fatty acid acyl amine damage resistant, silicone damage resistant agent one
Kind or two kinds of combinations；
Preferably, the inorganic nano powder is selected from silica, aluminium oxide, calcium carbonate, ferrite and magnesium hydroxide
One of or it is a variety of.
Preferably, the length of the glass fibre is 8-12mm.
A kind of polypropylene modification plastics the preparation method comprises the following steps: step 1: pp material is initially positioned at 70-80 DEG C dry
It is 36-48 hours dry in dry machine；
Step 2: raw material is weighed according to the weight of polypropylene modification plastics, polypropylene, heat stabilizer, light is steady
Determine agent, siloxane modified polyurethane wax, plasticizer, diethyl malonate, fully sulfurized silicon rubber powder, tricresyl phosphate, season
Penta tetrol stearate, glass fibre, inorganic nano powder, damage resistant agent are put into the high pressure homogenizer and mix, mixing temperature
Degree is 60-80 DEG C, incorporation time 10-20min, and the pressure in the high pressure homogenizer is 15-20Mpa, then passes through double spiral shells
It is squeezed out in bar extruder.
Compared with prior art, beneficial effects of the present invention are as follows: modified polypropylene composite has good resistance to
Draw performance, excellent heat distortion temperature, superior tensile strength and bending modulus, excellent heat and moisture aging resistance, and light resistance
Also enhanced, and product has good gloss and three-dimensional sense, greatly expands its application range, and low in cost, energy
Meet the requirement of automobile-used modified polypropylene composite material.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction in the embodiment of the present invention, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment 1
A kind of preparation method of polypropylene modification plastics: Step 1: pp material to be initially positioned to 70 DEG C of drying machine
Interior drying 36 hours；
Step 2: raw material is weighed according to the weight of polypropylene modification plastics, by 78 parts of polypropylene, heat stabilizer 1
Part, 2 parts of light stabilizer, 10 parts of siloxane modified polyurethane wax, 2 parts of plasticizer, 8 parts of diethyl malonate, form of finely divided powder, mehtod silicon
It is 10 parts of rubber, 8 parts of tricresyl phosphate, 4 parts of pentaerythritol stearate, 5 parts of glass fibre, 2 parts of inorganic nano powder, scratch-resistant
Hurt 1 part of agent and be put into the high pressure homogenizer and mix, mixing temperature is 60 DEG C, incorporation time 10min, the high pressure homogenizer
In pressure be 15Mpa；Then by being squeezed out in double screw extruder.
Implement 2
A kind of preparation method of polypropylene modification plastics: Step 1: pp material to be initially positioned to 80 DEG C of drying machine
Interior drying 48 hours；
Step 2: raw material is weighed according to the weight of polypropylene modification plastics, by 85 parts of polypropylene, heat stabilizer 3
Part, 3 parts of light stabilizer, 16 parts of siloxane modified polyurethane wax, 5 parts of plasticizer, 12 parts of diethyl malonate, form of finely divided powder, mehtod silicon
It is 15 parts of rubber, 12 parts of tricresyl phosphate, 8 parts of pentaerythritol stearate, 8 parts of glass fibre, 5 parts of inorganic nano powder, resistance to
It scratches 5 parts of agent to be put into the high pressure homogenizer and mixes, mixing temperature is 80 DEG C, incorporation time 20min, described high-pressure homogeneous
Pressure in machine is 20Mpa；Then by being squeezed out in double screw extruder.
Embodiment 3
A kind of preparation method of polypropylene modification plastics: Step 1: pp material to be initially positioned to 75 DEG C of drying machine
Interior drying 40 hours；
Step 2: raw material is weighed according to the weight of polypropylene modification plastics, by 80 parts of polypropylene, heat stabilizer 2
Part, 2.5 parts of light stabilizer, 14 parts of siloxane modified polyurethane wax, 4 parts of plasticizer, 10 parts of diethyl malonate, form of finely divided powder, mehtod
12 parts of silicon rubber, 10 parts of tricresyl phosphate, 7 parts of pentaerythritol stearate, 7 parts of glass fibre, 3 parts of inorganic nano powder,
3 parts of damage resistant agent are put into the high pressure homogenizer and mix, and mixing temperature is 70 DEG C, incorporation time 15min, and the high pressure is equal
Pressure in matter machine is 18Mpa；Then by being squeezed out in double screw extruder.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of polypropylene modification plastics, it is characterised in that: the modified plastics includes following raw material: polypropylene
78-85 parts, 1-3 parts of heat stabilizer, 2-3 parts of light stabilizer, 10-16 parts of siloxane modified polyurethane wax, 2-5 parts of plasticizer, third
8-12 parts of diethyl adipate, 10-15 parts of fully sulfurized silicon rubber powder, 8-12 parts of tricresyl phosphate, pentaerythritol stearate
4-8 parts, 5-8 parts of glass fibre, 2-5 parts of inorganic nano powder, 1-5 parts of damage resistant agent.
2. a kind of polypropylene modification plastics according to claim 1, it is characterised in that: the polypropylene modification plastic bag
Containing following raw material: 80 parts of polypropylene, 2 parts of light stabilizer, 15 parts of siloxane modified polyurethane wax, increases 2 parts of heat stabilizer
Mould 3 parts of agent, 10 parts of diethyl malonate, 12 parts of fully sulfurized silicon rubber powder, 10 parts of tricresyl phosphate, pentaerythrite stearic acid
5 parts of ester, 6 parts of glass fibre, 4 parts of inorganic nano powder, 4 parts of damage resistant agent.
3. a kind of polypropylene modification plastics according to claim 1, it is characterised in that: the damage resistant agent is selected from fat
One or both of sour amides damage resistant agent, silicone damage resistant agent combination.
4. a kind of polypropylene modification plastics according to claim 1, it is characterised in that: the inorganic nano powder is selected from two
Silica, aluminium oxide, calcium carbonate, one of ferrite and magnesium hydroxide or a variety of.
5. a kind of polypropylene modification plastics according to claim 1, it is characterised in that: the length of the glass fibre is
8-12mm。
6. a kind of preparation method of polypropylene modification plastics, it is characterised in that: specific preparation method: Step 1: by polypropylene original
Material is initially positioned in 70-80 DEG C of drying machine 36-48 hours dry；
Step 2: weigh raw material according to the weight of polypropylene modification plastics, by polypropylene, heat stabilizer, light stabilizer,
Siloxane modified polyurethane wax, plasticizer, diethyl malonate, fully sulfurized silicon rubber powder, tricresyl phosphate, pentaerythrite
Stearate, glass fibre, inorganic nano powder, damage resistant agent are put into the high pressure homogenizer and mix, mixing temperature 60-
80 DEG C, incorporation time 10-20min, the pressure in the high pressure homogenizer is 15-20Mpa, then passes through double screw extruder
Middle extrusion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810602671.3A CN109021381A (en) | 2018-06-12 | 2018-06-12 | A kind of polypropylene modification plastics and preparation method |
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| CN201810602671.3A CN109021381A (en) | 2018-06-12 | 2018-06-12 | A kind of polypropylene modification plastics and preparation method |
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| CN109021381A true CN109021381A (en) | 2018-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121913A (en) * | 2019-12-31 | 2021-07-16 | 句容市百事特复合材料有限公司 | Scratch-resistant halogen-free flame-retardant long-fiber PP and preparation method thereof |
Citations (5)
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|---|---|---|---|---|
| CN102731901A (en) * | 2011-04-02 | 2012-10-17 | 中国石油化工股份有限公司 | Low VOC polypropylene composite material for vehicle and preparation method thereof |
| CN103059419A (en) * | 2013-01-28 | 2013-04-24 | 浙江赛日新材料科技有限公司 | Reinforced and modified polypropylene |
| WO2018019762A1 (en) * | 2016-07-28 | 2018-02-01 | Sabic Global Technolgies B.V. | Flame retardant propylene composition |
| CN107652532A (en) * | 2016-07-25 | 2018-02-02 | 中国石油化工股份有限公司 | A kind of low VOC preparation method of acrylic resin and its acrylic resin of preparation |
| CN107973984A (en) * | 2017-12-05 | 2018-05-01 | 安徽益邦新材料科技股份有限公司 | A kind of ageing-resistant polypropylene plastics products |
-
2018
- 2018-06-12 CN CN201810602671.3A patent/CN109021381A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731901A (en) * | 2011-04-02 | 2012-10-17 | 中国石油化工股份有限公司 | Low VOC polypropylene composite material for vehicle and preparation method thereof |
| CN103059419A (en) * | 2013-01-28 | 2013-04-24 | 浙江赛日新材料科技有限公司 | Reinforced and modified polypropylene |
| CN107652532A (en) * | 2016-07-25 | 2018-02-02 | 中国石油化工股份有限公司 | A kind of low VOC preparation method of acrylic resin and its acrylic resin of preparation |
| WO2018019762A1 (en) * | 2016-07-28 | 2018-02-01 | Sabic Global Technolgies B.V. | Flame retardant propylene composition |
| CN107973984A (en) * | 2017-12-05 | 2018-05-01 | 安徽益邦新材料科技股份有限公司 | A kind of ageing-resistant polypropylene plastics products |
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| Title |
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| 杨波等: "耐划伤剂对车用聚丙烯材料耐划伤和散发性能的影响 ", 《工程塑料应用》 * |
Cited By (1)
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| CN113121913A (en) * | 2019-12-31 | 2021-07-16 | 句容市百事特复合材料有限公司 | Scratch-resistant halogen-free flame-retardant long-fiber PP and preparation method thereof |
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Application publication date: 20181218 |
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