CN108503954A - A kind of micro-foaming polypropylene and preparation method thereof - Google Patents
A kind of micro-foaming polypropylene and preparation method thereof Download PDFInfo
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- 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
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- 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
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
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- 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
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- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
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- 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
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
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- 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
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- 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
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
Abstract
A kind of micro-foaming polypropylene of the present invention and preparation method thereof, micro-foaming polypropylene is granulated by melting extrusion by high-crystallinity polypropylene, organic fiber, ethyl cellulose, nano imvite, polypropylene carbonate foam powder, yeast powder, sodium citrate, wormwood powder, rose pelargonium essential oil, castor oil and other auxiliary agents and is made.Micro-foaming polypropylene provided by the invention and preparation method thereof, using high-crystallinity polypropylene as matrix, organic fiber, ethyl cellulose, nano imvite, polypropylene carbonate foam powder, yeast powder, sodium citrate is reacted under the action of other auxiliary agents therewith, lightweight production requirement is realized on the basis of improving the comprehensive performance of micro-foaming polypropylene material, pass through wormwood powder, rose pelargonium essential oil improves the mosquito-repelling effect of micro-foaming polypropylene, it prevents from being adhered to material surface when summer, mosquito was more, have both good absorbable ultraviolet light, antibacterial, anti-corrosion, weather-proof and inoxidizability, it can be widely used for preparing automobile component etc..
Description
Technical field
The present invention relates to PP foam material technical field, more particularly to a kind of micro-foaming polypropylene and its preparation side
Method.
Background technology
Acrylic resin (PP) has many advantages, such as good physical property, mouldability, chemical resistance, free from extraneous odour, nontoxic, is
A kind of environmentally friendly material, is used widely in terms of automobile component, but in the dual of energy crisis and environmental pollution
Under pressure, how to realize that lightweight just becomes hot spot of people's attention.
Due to the unique intrinsic characteristic of polypropylene, so PP foam material exploitation is later, until PP in 1980 foams
Material just realizes industrialization.Foreign countries' only a few countries such as the U.S., Italy, Japan can produce at present.Existing foaming
Technique is all more complicated, and equipment investment is big, and control of product quality is more difficult, and needs special high melt strength, propylene
It is used as foamed substrate.
Invention content
Technical problem to be solved by the present invention lies in provide in view of the above technical problems a kind of micro-foaming polypropylene and
Preparation method, preparation process is simple, good quality of product.
The technical problems to be solved by the invention can be achieved through the following technical solutions：
A kind of micro-foaming polypropylene, by high-crystallinity polypropylene, organic fiber, ethyl cellulose, nano imvite, polypropylene
Passed through with carbonate foam powder, yeast powder, sodium citrate, wormwood powder, rose pelargonium essential oil, castor oil and other auxiliary agents molten
Melt extruding pelletization to be prepared.
Further, weight percent indicates, including 60-80 parts of high-crystallinity polypropylene, 40-65 parts of organic fiber, second
10-16 parts of base cellulose, 4-10 parts of nano imvite, 6-18 parts of carbonate foam powder of polypropylene, 5-13 parts of yeast powder, lemon
13-39 parts of sour sodium 2-10 parts, 2-9 parts of wormwood powder, 2-8 parts of rose pelargonium essential oil, 3-7 parts of castor oil and other auxiliary agents.
Further, other described auxiliary agents, are counted in parts by weight, including 3-6 parts of nucleating agent, 2-6 parts of toughener, coupling agent
2-7 parts, 1-4 parts of ultraviolet absorber, 3-8 parts of antiseptic, 1-5 parts of preservative, 2-5 parts of weather resisting agent, 1-5 parts of antioxidant.
Further, include the following steps：
Step S1, each raw material is weighed by weight ratio；
Step S2, the high-crystallinity polypropylene that weighs step S1, organic fiber, ethyl cellulose, nano imvite, poly- third
Alkene carbonate foam powder, yeast powder, sodium citrate and other auxiliary agents, are put into blender after drying, and then addition is appropriate
Castor oil, be uniformly mixed, it is spare；
Step S3, suitable wormwood powder and rose pelargonium essential oil are added in the mixture being prepared to step S2,
It is uniformly mixed, it is spare；
Step S4, the step S3 mixtures being prepared are put into double screw extruder, melting extrusion is granulated, twin-screw
The temperature of extruder is controlled at 175-240 DEG C, obtains required micro-foaming polypropylene.
Further, in step S1, each raw material indicates in parts by weight, including 60-80 parts of high-crystallinity polypropylene, organic fibre
40-65 parts of dimension, 10-16 parts of ethyl cellulose, 4-10 parts of nano imvite, 6-18 parts of carbonate foam powder of polypropylene, yeast
5-13 parts of powder, 2-10 parts of sodium citrate, 2-9 parts of wormwood powder, 2-8 parts of rose pelargonium essential oil, 3-7 parts of castor oil and other help
13-39 parts of agent, other described auxiliary agents include 3-6 parts of nucleating agent, 2-6 parts of toughener, 2-7 parts of coupling agent, ultraviolet absorber 1-4
Part, 3-8 parts of antiseptic, 1-5 parts of preservative, 2-5 parts of weather resisting agent, 1-5 parts of antioxidant.
Further, in step S2, the rotating speed of blender is 800-1200r/min, and mixing time is less than 30min, stirring
Temperature is 50-80 DEG C.
Further, in step S4, the temperature that each section of double screw extruder is respectively：One 175-185 DEG C of area, two area 185-
195 DEG C, three 195-205 DEG C of areas, four 205-215 DEG C of areas, five 215-230 DEG C of areas, six 230-240 DEG C of areas.
Compared with prior art, beneficial effects of the present invention are：
The invention discloses a kind of micro-foaming polypropylene and preparation method thereof, micro-foaming polypropylene by high-crystallinity polypropylene,
Organic fiber, ethyl cellulose, nano imvite, polypropylene carbonate foam powder, yeast powder, sodium citrate, wormwood powder,
Rose pelargonium essential oil, castor oil and other auxiliary agents are prepared by melting extrusion granulation.Fretting map provided by the invention is poly-
Propylene and preparation method thereof, using high-crystallinity polypropylene as matrix, organic fiber, ethyl cellulose, nano imvite, poly- third
Alkene is reacted under the action of other auxiliary agents therewith with carbonate foam powder, yeast powder, sodium citrate, poly- improving fretting map
Lightweight production requirement is realized on the basis of the comprehensive performance of propylene material, is improved by wormwood powder, rose pelargonium essential oil micro-
The fragrance of expanded polypropylene material has mosquito-repelling effect, prevents from being adhered to material surface when summer, mosquito was more, have both good
Absorbable ultraviolet light well, antibacterial, anti-corrosion, weather-proof and inoxidizability, can also be added as needed on other kinds of functional reagent,
It can be widely used for preparing automobile component etc., there is considerable industrial value.
Specific implementation mode
The technical scheme of the invention is described in detail through specific implementation examples.
A kind of micro-foaming polypropylene, by high-crystallinity polypropylene, organic fiber, ethyl cellulose, nano imvite, polypropylene
Passed through with carbonate foam powder, yeast powder, sodium citrate, wormwood powder, rose pelargonium essential oil, castor oil and other auxiliary agents molten
Melt extruding pelletization to be prepared.Weight percent indicates that micro-foaming polypropylene includes 60-80 parts of high-crystallinity polypropylene, organic
40-65 parts of fiber, 10-16 parts of ethyl cellulose, 4-10 parts of nano imvite, 6-18 parts of carbonate foam powder of polypropylene, ferment
5-13 parts of female powder, 2-10 parts of sodium citrate, 2-9 parts of wormwood powder, 2-8 parts of rose pelargonium essential oil, 3-7 parts of castor oil and other
13-39 parts of auxiliary agent, other auxiliary agents include 3-6 parts of nucleating agent, 2-6 parts of toughener, 1-4 parts of ultraviolet absorber, 3-8 parts of antiseptic,
1-5 parts of preservative, 2-5 parts of weather resisting agent, 1-5 parts of antioxidant.
A kind of preparation method of micro-foaming polypropylene, includes the following steps：
Step S1, each raw material is weighed by weight ratio；
Step S2, the high-crystallinity polypropylene that weighs step S1, organic fiber, ethyl cellulose, nano imvite, poly- third
Alkene carbonate foam powder, yeast powder, sodium citrate and other auxiliary agents, are put into blender after drying, and then addition is appropriate
Castor oil, be uniformly mixed, it is spare；
Step S3, suitable wormwood powder and rose pelargonium essential oil are added in the mixture being prepared to step S2,
It is uniformly mixed, it is spare；
Step S4, the step S3 mixtures being prepared are put into double screw extruder, melting extrusion is granulated, twin-screw
The temperature of extruder is controlled at 175-240 DEG C, obtains required micro-foaming polypropylene.
In step S1, each raw material indicates in parts by weight, including 60-80 parts of high-crystallinity polypropylene, organic fiber 40-65
Part, 10-16 parts of ethyl cellulose, 4-10 parts of nano imvite, 6-18 parts of carbonate foam powder of polypropylene, yeast powder 5-13
Part, 2-10 parts of sodium citrate, 2-9 parts of wormwood powder, 2-8 parts of rose pelargonium essential oil, 3-7 parts of castor oil and other auxiliary agents 13-
39 parts, other described auxiliary agents include 3-6 parts of nucleating agent, 2-6 parts of toughener, 1-4 parts of ultraviolet absorber, 3-8 parts of antiseptic, anti-corrosion
1-5 parts of agent, 2-5 parts of weather resisting agent, 1-5 parts of antioxidant.
In step S2, the rotating speed of blender is 800-1200r/min, and mixing time is less than 30min, whipping temp 50-
80℃。
In step S4, the temperature that each section of double screw extruder is respectively：One 175-185 DEG C of area, two 185-195 DEG C of areas, three
195-205 DEG C of area, four 205-215 DEG C of areas, five 215-230 DEG C of areas, six 230-240 DEG C of areas, residence time 2-5min, pressure value
It is set as 13-16MPa.
Embodiment 1
A kind of micro-foaming polypropylene, by high-crystallinity polypropylene, organic fiber, ethyl cellulose, nano imvite, polypropylene
Passed through with carbonate foam powder, yeast powder, sodium citrate, wormwood powder, rose pelargonium essential oil, castor oil and other auxiliary agents molten
Melt extruding pelletization to be prepared, weight percent indicates, micro-foaming polypropylene includes 60-80 parts of high-crystallinity polypropylene, organic
40-65 parts of fiber, 10-16 parts of ethyl cellulose, 4-10 parts of nano imvite, 6-18 parts of carbonate foam powder of polypropylene, ferment
5-13 parts of female powder, 2-10 parts of sodium citrate, 2-9 parts of wormwood powder, 2-8 parts of rose pelargonium essential oil, 3-7 parts of castor oil and other
13-39 parts of auxiliary agent, other auxiliary agents include 3-6 parts of nucleating agent, 2-6 parts of toughener, 1-4 parts of ultraviolet absorber, 3-8 parts of antiseptic,
1-5 parts of preservative, 2-5 parts of weather resisting agent, 1-5 parts of antioxidant.
A kind of preparation method of micro-foaming polypropylene, includes the following steps：
Step S1, each raw material is weighed by weight ratio；
Step S2, the high-crystallinity polypropylene that weighs step S1, organic fiber, ethyl cellulose, nano imvite, poly- third
Alkene carbonate foam powder, yeast powder, sodium citrate and other auxiliary agents, are put into blender after drying, and then addition is appropriate
Castor oil, be uniformly mixed, it is spare；
Step S3, suitable wormwood powder and rose pelargonium essential oil are added in the mixture being prepared to step S2,
It is uniformly mixed, it is spare；
Step S4, the step S3 mixtures being prepared are put into double screw extruder, melting extrusion is granulated, twin-screw
The temperature of extruder is controlled at 175-240 DEG C, obtains required micro-foaming polypropylene.
In step S1, each raw material indicates in parts by weight, including high-crystallinity polypropylene 60Kg, organic fiber 40Kg, ethyl
Cellulose 10Kg, nano imvite 4Kg, polypropylene carbonate foam powder 6Kg, yeast powder 5Kg, sodium citrate 2Kg, wormwood powder
Last 2Kg, rose pelargonium essential oil 2Kg, castor oil 3Kg and other auxiliary agents 13Kg, other described auxiliary agents include nucleating agent 3Kg, increase
Tough dose of 2Kg, ultraviolet absorber 1Kg, antiseptic 3Kg, preservative 1Kg, weather resisting agent 2Kg, antioxidant 1Kg.
In step S2, the rotating speed of blender is 800-1200r/min, and mixing time is less than 30min, whipping temp 50-
80℃。
In step S4, the temperature that each section of double screw extruder is respectively：One 175-185 DEG C of area, two 185-195 DEG C of areas, three
195-205 DEG C of area, four 205-215 DEG C of areas, five 215-230 DEG C of areas, six 230-240 DEG C of areas, residence time 2-5min, pressure value
It is set as 13-16MPa.
Embodiment 2
A kind of micro-foaming polypropylene, by high-crystallinity polypropylene, organic fiber, ethyl cellulose, nano imvite, polypropylene
Passed through with carbonate foam powder, yeast powder, sodium citrate, wormwood powder, rose pelargonium essential oil, castor oil and other auxiliary agents molten
Melt extruding pelletization to be prepared.Weight percent indicates that micro-foaming polypropylene includes 60-80 parts of high-crystallinity polypropylene, organic
40-65 parts of fiber, 10-16 parts of ethyl cellulose, 4-10 parts of nano imvite, 6-18 parts of carbonate foam powder of polypropylene, ferment
5-13 parts of female powder, 2-10 parts of sodium citrate, 2-9 parts of wormwood powder, 2-8 parts of rose pelargonium essential oil, 3-7 parts of castor oil and other
13-39 parts of auxiliary agent, other auxiliary agents include 3-6 parts of nucleating agent, 2-6 parts of toughener, 1-4 parts of ultraviolet absorber, 3-8 parts of antiseptic,
1-5 parts of preservative, 2-5 parts of weather resisting agent, 1-5 parts of antioxidant.
A kind of preparation method of micro-foaming polypropylene, includes the following steps：
Step S1, each raw material is weighed by weight ratio；
Step S2, the high-crystallinity polypropylene that weighs step S1, organic fiber, ethyl cellulose, nano imvite, poly- third
Alkene carbonate foam powder, yeast powder, sodium citrate and other auxiliary agents, are put into blender after drying, and then addition is appropriate
Castor oil, be uniformly mixed, it is spare；
Step S3, suitable wormwood powder and rose pelargonium essential oil are added in the mixture being prepared to step S2,
It is uniformly mixed, it is spare；
Step S4, the step S3 mixtures being prepared are put into double screw extruder, melting extrusion is granulated, twin-screw
The temperature of extruder is controlled at 175-240 DEG C, obtains required micro-foaming polypropylene.
In step S1, each raw material indicates in parts by weight, including high-crystallinity polypropylene 70Kg, organic fiber 65Kg, ethyl
Cellulose 16Kg, nano imvite 10Kg, polypropylene carbonate foam powder 18Kg, yeast powder 13Kg, sodium citrate 10Kg, Chinese mugwort
Grass meal end 9Kg, rose pelargonium essential oil 8Kg, castor oil 7Kg and other auxiliary agents 39Kg, other described auxiliary agents include nucleating agent
6Kg, toughener 6Kg, ultraviolet absorber 4Kg, antiseptic 8Kg, preservative 5Kg, weather resisting agent 5Kg, antioxidant 5Kg.
In step S2, the rotating speed of blender is 800-1200r/min, and mixing time is less than 30min, whipping temp 50-
80℃。
In step S4, the temperature that each section of double screw extruder is respectively：One 175-185 DEG C of area, two 185-195 DEG C of areas, three
195-205 DEG C of area, four 205-215 DEG C of areas, five 215-230 DEG C of areas, six 230-240 DEG C of areas, residence time 2-5min, pressure value
It is set as 13-16MPa.
Embodiment 3
A kind of micro-foaming polypropylene, by high-crystallinity polypropylene, organic fiber, ethyl cellulose, nano imvite, polypropylene
Passed through with carbonate foam powder, yeast powder, sodium citrate, wormwood powder, rose pelargonium essential oil, castor oil and other auxiliary agents molten
Melt extruding pelletization to be prepared.
A kind of preparation method of micro-foaming polypropylene, includes the following steps：
Step S1, each raw material is weighed by weight ratio, and weight percent indicates that each raw material includes micro-foaming polypropylene packet
High-crystallinity polypropylene 80Kg, organic fiber 50Kg, ethyl cellulose 12Kg, nano imvite 7Kg, polypropylene is included to be sent out with carbonate
Bubble powder 7Kg, yeast powder 6Kg, sodium citrate 6Kg, wormwood powder 3Kg, rose pelargonium essential oil 3Kg, castor oil 4Kg and other help
Agent 20Kg, other auxiliary agents include nucleating agent 4Kg, toughener 3Kg, ultraviolet absorber 2Kg, antiseptic 4Kg, preservative 2Kg, weather-proof
Agent 3Kg, antioxidant 2Kg.
Step S2, the high-crystallinity polypropylene that weighs step S1, organic fiber, ethyl cellulose, nano imvite, poly- third
Alkene carbonate foam powder, yeast powder, sodium citrate and other auxiliary agents, are put into blender after drying, and then addition is appropriate
Castor oil, be uniformly mixed, it is spare.
Step S3, suitable wormwood powder and rose pelargonium essential oil are added in the mixture being prepared to step S2,
It is uniformly mixed, it is spare.
Step S4, the step S3 mixtures being prepared are put into double screw extruder, melting extrusion is granulated, twin-screw
The temperature of extruder is controlled at 175-240 DEG C, obtains required micro-foaming polypropylene.
In step S2, the rotating speed of blender is 800-1200r/min, and mixing time is less than 30min, whipping temp 50-
80℃。
In step S4, the temperature that each section of double screw extruder is respectively：One 175-185 DEG C of area, two 185-195 DEG C of areas, three
195-205 DEG C of area, four 205-215 DEG C of areas, five 215-230 DEG C of areas, six 230-240 DEG C of areas, residence time 2-5min, pressure value
It is set as 13-16MPa.
Three kinds of micro-foaming polypropylenes that embodiment 1-3 is prepared are obtained according to ISO1183 standard testings respectively close
Degree is reduced to 0.90g/cm respectively3Hereinafter, unexpanded polyacrylic density reduces by 8% or so than under equal conditions, meet light weight
Change and intensity keeps good.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of micro-foaming polypropylene, which is characterized in that covered by high-crystallinity polypropylene, organic fiber, ethyl cellulose, nanometer de-
Soil, polypropylene carbonate foam powder, yeast powder, sodium citrate, wormwood powder, rose pelargonium essential oil, castor oil and other
Auxiliary agent is prepared by melting extrusion granulation.
2. a kind of micro-foaming polypropylene according to claim 1, which is characterized in that weight percent indicates, including height
60-80 parts of crystalline polypropylene, 40-65 parts of organic fiber, 10-16 parts of ethyl cellulose, 4-10 parts of nano imvite, polypropylene are used
6-18 parts of carbonate foam powder, 5-13 parts of yeast powder, 2-10 parts of sodium citrate, 2-9 parts of wormwood powder, rose pelargonium essential oil 2-
13-39 parts of 8 parts, 3-7 parts of castor oil and other auxiliary agents.
3. a kind of micro-foaming polypropylene according to claim 1 or 2, which is characterized in that other described auxiliary agents, by weight
Number meter, including 3-6 parts of nucleating agent, 2-6 parts of toughener, 2-7 parts of coupling agent, 1-4 parts of ultraviolet absorber, 3-8 parts of antiseptic, anti-corrosion
1-5 parts of agent, 2-5 parts of weather resisting agent, 1-5 parts of antioxidant.
4. a kind of preparation method of micro-foaming polypropylene, which is characterized in that include the following steps：
Step S1, each raw material is weighed by weight ratio；
Step S2, high-crystallinity polypropylene, organic fiber, ethyl cellulose, nano imvite, the polypropylene weighed step S1 is used
Carbonate foam powder, yeast powder, sodium citrate and other auxiliary agents, are put into blender after drying, then add suitable castor
Sesame oil is uniformly mixed, spare；
Step S3, suitable wormwood powder and rose pelargonium essential oil are added in the mixture being prepared to step S2, are mixed
Uniformly, spare；
Step S4, the step S3 mixtures being prepared are put into double screw extruder, melting extrusion is granulated, twin-screw extrusion
The temperature of machine is controlled at 175-240 DEG C, obtains required micro-foaming polypropylene.
5. a kind of preparation method of micro-foaming polypropylene according to claim 4, which is characterized in that in step S1, each original
Material indicates in parts by weight, including 60-80 parts of high-crystallinity polypropylene, 40-65 parts of organic fiber, 10-16 parts of ethyl cellulose, receives
4-10 parts of montmorillonite of rice, 6-18 parts of carbonate foam powder of polypropylene, 5-13 parts of yeast powder, 2-10 parts of sodium citrate, wormwood powder
13-39 parts of 2-9 parts last, 2-8 parts of rose pelargonium essential oil, 3-7 parts of castor oil and other auxiliary agents, other described auxiliary agents include nucleation
It is 3-6 parts of agent, 2-6 parts of toughener, 2-7 parts of coupling agent, 1-4 parts of ultraviolet absorber, 3-8 parts of antiseptic, 1-5 parts of preservative, weather-proof
2-5 parts of agent, 1-5 parts of antioxidant.
6. a kind of preparation method of micro-foaming polypropylene according to claim 4, which is characterized in that in step S2, stirring
The rotating speed of machine is 800-1200r/min, and mixing time is less than 30min, and whipping temp is 50-80 DEG C.
7. a kind of preparation method of micro-foaming polypropylene according to claim 4, which is characterized in that in step S4, double spiral shells
The temperature that each section of bar extruder is respectively：One 175-185 DEG C of area, two 185-195 DEG C of areas, three 195-205 DEG C of areas, four area 205-
215 DEG C, five 215-230 DEG C of areas, six 230-240 DEG C of areas.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111759106A (en) * | 2020-07-08 | 2020-10-13 | 江西远大保险设备实业集团有限公司 | Combined book stand and manufacturing process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140591A (en) * | 2014-07-24 | 2014-11-12 | 南京聚隆科技股份有限公司 | Highly filled micro foamed polypropylene composite material and preparation method thereof |
| CN107200919A (en) * | 2017-06-23 | 2017-09-26 | 苏州润佳工程塑料股份有限公司 | A kind of injection grade micro-foaming polypropylene composite material and preparation method thereof |
-
2018
- 2018-05-09 CN CN201810434820.XA patent/CN108503954A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104140591A (en) * | 2014-07-24 | 2014-11-12 | 南京聚隆科技股份有限公司 | Highly filled micro foamed polypropylene composite material and preparation method thereof |
| CN107200919A (en) * | 2017-06-23 | 2017-09-26 | 苏州润佳工程塑料股份有限公司 | A kind of injection grade micro-foaming polypropylene composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111759106A (en) * | 2020-07-08 | 2020-10-13 | 江西远大保险设备实业集团有限公司 | Combined book stand and manufacturing process thereof |
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