CN107501738A - A kind of preparation method of low temperature resistant reinforced polypropylene compound material - Google Patents
A kind of preparation method of low temperature resistant reinforced polypropylene compound material Download PDFInfo
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- CN107501738A CN107501738A CN201710864134.1A CN201710864134A CN107501738A CN 107501738 A CN107501738 A CN 107501738A CN 201710864134 A CN201710864134 A CN 201710864134A CN 107501738 A CN107501738 A CN 107501738A
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- fiber
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- banana stem
- low temperature
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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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)
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to polypropylene material preparing technical field, and in particular to a kind of preparation method of low temperature resistant reinforced polypropylene compound material, its raw material include acrylic resin, modified polypropene, modified rubber cauline leaf fiber, glass fibre, toughener and lubricant.The present invention has advantages below compared with prior art：The banana stem leaves fiber tubbiness, the interface with filled polymer material forms stronger bonding after modification, humidification can be played, after being used cooperatively with modified polypropene, polar group therein can form strong interaction with the hydroxyl in modified banana stem leaves fiber, make phase counterdiffusion and mutually winding between formed strand, modified banana stem leaves fiber and the active site that polypropylene fibre interacts are more, interface bond strength is high, polyacrylic mechanical performance and low temperature tolerance ability are can effectively improve, there is preferable industrial prospect.
Description
Technical field
The invention belongs to polypropylene material preparing technical field, and in particular to a kind of low temperature resistant reinforced polypropylene compound material
Preparation method.
Background technology
Acrylic resin is a kind of crystalline polymer of compound with regular structure, is light oyster white pellet, tasteless, nontoxic, light
Thermoplastic resin, can with injection, extrusion molding, be blow molded and be processed the methods of reel off raw silk from cocoons, it is applied widely, there is preferable resistance toization
Corrosivity, mechanical performance, good moulding processability are learned, can be used in preparing packing case after addition glass fiber reinforcement, wash
The household supplies such as clothing basin, chair, stylish design requirement can not only be met, also be moved easily, be easy to clean, manufacture
The advantages that quick, but existing acrylic resin articles for use do not have resistance to low temperature, if improper use under cryogenic, easily
Cause to damage, therefore, prepare the material with preferable mechanical property under cryogenic needs what is solved into prior art
Technical problem.
The content of the invention
The purpose of the present invention is to be directed to the problem of existing, there is provided a kind of preparation of low temperature resistant reinforced polypropylene compound material
Method.
The present invention is achieved by the following technical solutions：A kind of preparation side of low temperature resistant reinforced polypropylene compound material
Method, its raw material include by weight：100 parts of acrylic resin, modified polypropene 22-26 parts, modified rubber cauline leaf fiber 16-
22 parts, glass fibre 26-32 parts, toughener 4-7 parts, lubricant 1-2 parts；
（1）After banana stem leaves fiber is dried into 2-4 hours under conditions of 140-160 DEG C, it is put into sealable casing, is passed through
Acid vapor is when acid vapor is full of casing, steam off entrance, by box sealing 35-45 minutes, the raw material acid solution of acid vapor
Concentration is 3N；
（2）By coupling agent and deionized water with weight than 1:8-10 obtains uniform mixed liquor under agitation, then will be upper
State the banana stem leaves fiber after processing and 18-22 is compared with weight with mixed liquor:1 mixing is added in high-speed mixer, 20-40 points of stirring
Zhong Hou, taking-up are put into 60-70 DEG C of baking oven, after baking 2 hours, are warming up to 135-145 DEG C, are taken out after reacting 15-20 minutes,
Obtain being modified banana stem leaves fiber standby；
（3）The modified polypropene is by acrylic resin, maleic anhydride and benzoyl peroxide by weight 100:1.4:1 mixing
Dry 4-6 hours under conditions of being afterwards 70-80 DEG C in temperature, melting extrusion under conditions of being 180-200 DEG C in temperature, pelletizing are
；
（4）Above-mentioned modified banana stem leaves fiber, acrylic resin, modified polypropene, toughener and lubricant are mixed in proportion
Extrude and be granulated through double screw extruder after uniformly；
（5）Above-mentioned particle is mixed with the short glass fiber of respective amount, the extruding pelletization in single screw extrusion machine, strengthened
PP composite material.
As further improvement of these options, the glass fibre alkali-free continuous glass fibre, fibre diameter 20-
40μm。
As further improvement of these options, the preparation method of the banana stem leaves fiber is by banana stem, Ye Qie
4-6 minutes are maintained to carry out Steam explosion treatment under conditions of pressure is 1.2-1.6MPa after cutting, then after bleaching, cleaning
To banana stem leaves fiber.
As further improvement of these options, the banana stem, the moisture of leaf raw material before Steam explosion treatment
For 45-55%.
As further improvement of these options, the coupling agent is amino acid silane coupling agent；The toughener
For maleic anhydride stem grafting polyolefin elastomer, ethene -1- octenes graft glycidyl methacrylate, ethylene vinyl acetate
In any one；The lubricant is any one in Tissuemat E, paraffin oil and stearic acid.
The present invention has advantages below compared with prior art：The banana stem leaves fiber tubbiness, gather after modification with filling
The interface of compound material forms stronger bonding, can play humidification, after being used cooperatively with modified polypropene, pole therein
Property group can form strong interaction with the hydroxyl in modified banana stem leaves fiber, make phase counterdiffusion between formed strand
And mutually winding, modified banana stem leaves fiber and the active site that polypropylene fibre interacts are more, and interface bond strength is high, energy
Polyacrylic mechanical performance and low temperature tolerance ability are effectively improved, there is preferable industrial prospect.
Embodiment
Embodiment 1
A kind of preparation method of low temperature resistant reinforced polypropylene compound material, its raw material include by weight：Acrylic resin 100
Part, 24 parts of modified polypropene, 18 parts of modified rubber cauline leaf fiber, 28 parts of glass fibre, 5 parts of toughener, 2 parts of lubricant；
（1）After banana stem leaves fiber is dried 3 hours under conditions of 150 DEG C, it is put into sealable casing, is passed through acid vapor
When acid vapor is full of casing, steam off entrance, by box sealing 40 minutes, the raw material acid strength of acid vapor was 3N；
（2）By coupling agent and deionized water with weight than 1:9 obtain uniform mixed liquor under agitation, then by above-mentioned place
Banana stem leaves fiber and mixed liquor after reason are with weight than 20:1 mixing is added in high-speed mixer, after stirring 30 minutes, is taken out
It is put into 65 DEG C of baking oven, after baking 2 hours, is warming up to 140 DEG C, reaction is taken out after 18 minutes, obtains being modified banana stem leaves fibre
Tie up standby；
（3）The modified polypropene is by acrylic resin, maleic anhydride and benzoyl peroxide by weight 100:1.4:1 mixing
Dried 5 hours under conditions of being afterwards 75 DEG C in temperature, melting extrusion under conditions of being 190 DEG C in temperature, pelletizing produces；
（4）Above-mentioned modified banana stem leaves fiber, acrylic resin, modified polypropene, toughener and lubricant are mixed in proportion
Extrude and be granulated through double screw extruder after uniformly；
（5）Above-mentioned particle is mixed with the short glass fiber of respective amount, the extruding pelletization in single screw extrusion machine, strengthened
PP composite material.
Wherein, the glass fibre alkali-free continuous glass fibre, fibre diameter are 20-40 μm；The banana stem leaves fiber
Preparation method be will maintain under conditions of pressure is 1.4MPa 5 minutes progress Steam explosion treatments after banana stem, leaf cutting,
Then banana stem leaves fiber is obtained after bleaching, cleaning；The banana stem, the leaf moisture of raw material before Steam explosion treatment is
50%。
Wherein, the coupling agent is amino acid silane coupling agent；The toughener is maleic anhydride stem grafting polyolefin bullet
Property body；The lubricant is stearic acid.
Embodiment 2
A kind of preparation method of low temperature resistant reinforced polypropylene compound material, its raw material include by weight：Acrylic resin 100
Part, 22 parts of modified polypropene, 16 parts of modified rubber cauline leaf fiber, 26 parts of glass fibre, 7 parts of toughener, 1 part of lubricant；
（1）After banana stem leaves fiber is dried 4 hours under conditions of 140 DEG C, it is put into sealable casing, is passed through acid vapor
When acid vapor is full of casing, steam off entrance, by box sealing 35 minutes, the raw material acid strength of acid vapor was 3N；
（2）By coupling agent and deionized water with weight than 1:10 obtain uniform mixed liquor under agitation, then will be above-mentioned
Banana stem leaves fiber and mixed liquor after processing are with weight than 18:1 mixing is added in high-speed mixer, after stirring 40 minutes, is taken
Go out and be put into 70 DEG C of baking oven, after baking 2 hours, be warming up to 135 DEG C, reaction is taken out after 20 minutes, obtains being modified banana stem leaves
Fiber is standby；
（3）The modified polypropene is by acrylic resin, maleic anhydride and benzoyl peroxide by weight 100:1.4:1 mixing
Dried 4 hours under conditions of being afterwards 70 DEG C in temperature, melting extrusion under conditions of being 180 DEG C in temperature, pelletizing produces；
（4）Above-mentioned modified banana stem leaves fiber, acrylic resin, modified polypropene, toughener and lubricant are mixed in proportion
Extrude and be granulated through double screw extruder after uniformly；
（5）Above-mentioned particle is mixed with the short glass fiber of respective amount, the extruding pelletization in single screw extrusion machine, strengthened
PP composite material.
Wherein, the glass fibre alkali-free continuous glass fibre, fibre diameter are 20-40 μm；The banana stem leaves fiber
Preparation method be will maintain under conditions of pressure is 1.2MPa 6 minutes progress Steam explosion treatments after banana stem, leaf cutting,
Then banana stem leaves fiber is obtained after bleaching, cleaning；The banana stem, the leaf moisture of raw material before Steam explosion treatment is
45%。
Wherein, the coupling agent is amino acid silane coupling agent；The toughener is that ethene -1- octenes are grafted methyl-prop
Olefin(e) acid ethylene oxidic ester；The lubricant is stearic acid.
Embodiment 3
A kind of preparation method of low temperature resistant reinforced polypropylene compound material, its raw material include by weight：Acrylic resin 100
Part, 26 parts of modified polypropene, 22 parts of modified rubber cauline leaf fiber, 32 parts of glass fibre, 4 parts of toughener, 2 parts of lubricant；
（1）After banana stem leaves fiber is dried 2 hours under conditions of 160 DEG C, it is put into sealable casing, is passed through acid vapor
When acid vapor is full of casing, steam off entrance, by box sealing 45 minutes, the raw material acid strength of acid vapor was 3N；
（2）By coupling agent and deionized water with weight than 1:8 obtain uniform mixed liquor under agitation, then by above-mentioned place
Banana stem leaves fiber and mixed liquor after reason are with weight than 22:1 mixing is added in high-speed mixer, after stirring 40 minutes, is taken out
It is put into 60 DEG C of baking oven, after baking 2 hours, is warming up to 145 DEG C, reaction is taken out after 15 minutes, obtains being modified banana stem leaves fibre
Tie up standby；
（3）The modified polypropene is by acrylic resin, maleic anhydride and benzoyl peroxide by weight 100:1.4:1 mixing
Dried 6 hours under conditions of being afterwards 80 DEG C in temperature, melting extrusion under conditions of being 200 DEG C in temperature, pelletizing produces；
（4）Above-mentioned modified banana stem leaves fiber, acrylic resin, modified polypropene, toughener and lubricant are mixed in proportion
Extrude and be granulated through double screw extruder after uniformly；
（5）Above-mentioned particle is mixed with the short glass fiber of respective amount, the extruding pelletization in single screw extrusion machine, strengthened
PP composite material.
Wherein, the glass fibre alkali-free continuous glass fibre, fibre diameter are 20-40 μm；The banana stem leaves fiber
Preparation method be will maintain under conditions of pressure is 1.6MPa 4 minutes progress Steam explosion treatments after banana stem, leaf cutting,
Then banana stem leaves fiber is obtained after bleaching, cleaning；The banana stem, the leaf moisture of raw material before Steam explosion treatment is
55%。
Wherein, the coupling agent is amino acid silane coupling agent；The toughener is ethylene vinyl acetate；The profit
Lubrication prescription is paraffin oil.
Control group 1 is set, modified banana stem leaves fiber in embodiment 1 is replaced with into modified sesame slices fiber, remaining content is not
Become；Control group 2 is set, modified banana stem leaves fiber and related content in embodiment 1 removed, remaining content is constant；Setting pair
According to group 3, modified polypropene and related content in embodiment 1 are removed, remaining content is constant；Control group 4 is set, by embodiment 1
Middle step（2）Remove, remaining content is constant；Control group 5 is set, by step in embodiment 1（1）Remove, remaining content is constant；If
Blank group is put, modified polypropene in embodiment 1 and modified rubber cauline leaf fiber are removed, are granulated according to a conventional method；
Prepared by each group after resulting materials place 1 day under conditions of 25 ± 2 DEG C of normal temperature, detect shore hardness, the stretching of material
Intensity, elongation at break and impact strength, after then being placed 1 day in the environment that temperature is -10 DEG C, each group material is detected again
Mechanical performance, calculate conservation rate, obtain following result：
Table 1
| Group | Shore hardness（D） | Tensile strength（MPa） | Elongation at break（%） | Impact strength（J/m） |
| Embodiment 1 | 69 | 34.2 | 82.5 | 336 |
| Embodiment 2 | 68 | 33.7 | 83.4 | 332 |
| Embodiment 3 | 69 | 33.9 | 82.7 | 335 |
| Control group 1 | 56 | 24.6 | 63.4 | 218 |
| Control group 2 | 60 | 26.7 | 212 | 315 |
| Control group 3 | 63 | 28.2 | 176 | 293 |
| Control group 4 | 61 | 27.5 | 75.3 | 275 |
| Control group 5 | 62 | 27.9 | 78.2 | 278 |
| Blank group | 60 | 26.5 | 204 | 267 |
Table 2
| Group | Shore hardness conservation rate（%） | Stretching strength retentivity（%） | Elongation at break conservation rate（%） | Impact strength conservation rate（%） |
| Embodiment 1 | 94.7 | 83.6 | 92.6 | 84.2 |
| Embodiment 2 | 95.2 | 81.5 | 93.5 | 82.7 |
| Embodiment 3 | 94.8 | 82.7 | 92.8 | 83.6 |
| Control group 1 | 82.4 | 73.4 | 80.3 | 74.5 |
| Control group 2 | 75.3 | 58.2 | 71.5 | 59.4 |
| Control group 3 | 85.6 | 62.7 | 73.4 | 65.2 |
| Control group 4 | 83.5 | 69.4 | 80.2 | 71.6 |
| Control group 5 | 86.2 | 72.8 | 83.5 | 74.8 |
| Blank group | 72.5 | 53.4 | 68.3 | 54.9 |
The mechanical performance of material can be effectively improved by comparing the method in the present invention that can be seen that by data in Tables 1 and 2,
Impact strength keeps good under cryogenic conditions, and combination property is preferable, the problem of avoiding being easily broken under cryogenic.
Claims (5)
1. a kind of preparation method of low temperature resistant reinforced polypropylene compound material, it is characterised in that its raw material includes by weight：
100 parts of acrylic resin, modified polypropene 22-26 parts, modified rubber cauline leaf fiber 16-22 parts, glass fibre 26-32 parts, increasing
Tough dose of 4-7 part, lubricant 1-2 parts；
（1）After banana stem leaves fiber is dried into 2-4 hours under conditions of 140-160 DEG C, it is put into sealable casing, is passed through
Acid vapor is when acid vapor is full of casing, steam off entrance, by box sealing 35-45 minutes, the raw material acid solution of acid vapor
Concentration is 3N；
（2）By coupling agent and deionized water with weight than 1:8-10 obtains uniform mixed liquor under agitation, then will be upper
State the banana stem leaves fiber after processing and 18-22 is compared with weight with mixed liquor:1 mixing is added in high-speed mixer, 20-40 points of stirring
Zhong Hou, taking-up are put into 60-70 DEG C of baking oven, after baking 2 hours, are warming up to 135-145 DEG C, are taken out after reacting 15-20 minutes,
Obtain being modified banana stem leaves fiber standby；
（3）The modified polypropene is by acrylic resin, maleic anhydride and benzoyl peroxide by weight 100:1.4:1 mixing
Dry 4-6 hours under conditions of being afterwards 70-80 DEG C in temperature, melting extrusion under conditions of being 180-200 DEG C in temperature, pelletizing are
；
（4）Above-mentioned modified banana stem leaves fiber, acrylic resin, modified polypropene, toughener and lubricant are mixed in proportion
Extrude and be granulated through double screw extruder after uniformly；
（5）Above-mentioned particle is mixed with the short glass fiber of respective amount, the extruding pelletization in single screw extrusion machine, strengthened
PP composite material.
A kind of 2. preparation method of low temperature resistant reinforced polypropylene compound material as claimed in claim 1, it is characterised in that the glass
Glass fiber alkali-free continuous glass fibre, fibre diameter are 20-40 μm.
A kind of 3. preparation method of low temperature resistant reinforced polypropylene compound material as claimed in claim 1, it is characterised in that the perfume (or spice)
The preparation method of any of several broadleaf plants cauline leaf fiber is 4-6 minutes will to be maintained under conditions of pressure is 1.2-1.6MPa after banana stem, leaf cutting
Steam explosion treatment is carried out, banana stem leaves fiber is then obtained after bleaching, cleaning.
A kind of 4. preparation method of low temperature resistant reinforced polypropylene compound material as claimed in claim 3, it is characterised in that the perfume (or spice)
The moisture of any of several broadleaf plants stem, the leaf raw material before Steam explosion treatment is 45-55%.
A kind of 5. preparation method of low temperature resistant reinforced polypropylene compound material as claimed in claim 1, it is characterised in that the idol
Connection agent is amino acid silane coupling agent；The toughener is maleic anhydride stem grafting polyolefin elastomer, the grafting of ethene -1- octenes
Any one in GMA, ethylene vinyl acetate；The lubricant be Tissuemat E, paraffin oil and
Any one in stearic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710864134.1A CN107501738A (en) | 2017-09-22 | 2017-09-22 | A kind of preparation method of low temperature resistant reinforced polypropylene compound material |
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| CN201710864134.1A CN107501738A (en) | 2017-09-22 | 2017-09-22 | A kind of preparation method of low temperature resistant reinforced polypropylene compound material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113583461A (en) * | 2021-07-30 | 2021-11-02 | 中国热带农业科学院南亚热带作物研究所 | Preparation method of banana stem leaf and straw fiber composite material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013151A (en) * | 2012-12-27 | 2013-04-03 | 熊雪平 | Banana stem fiber-based wood-plastic composite and preparation method thereof |
| CN105754207A (en) * | 2014-12-15 | 2016-07-13 | 天津滨浦生产力促进有限公司 | Polypropylene composite material |
| CN105820436A (en) * | 2016-04-22 | 2016-08-03 | 柳州蓓蒂芬科技有限公司 | Polypropylene composite material |
-
2017
- 2017-09-22 CN CN201710864134.1A patent/CN107501738A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013151A (en) * | 2012-12-27 | 2013-04-03 | 熊雪平 | Banana stem fiber-based wood-plastic composite and preparation method thereof |
| CN105754207A (en) * | 2014-12-15 | 2016-07-13 | 天津滨浦生产力促进有限公司 | Polypropylene composite material |
| CN105820436A (en) * | 2016-04-22 | 2016-08-03 | 柳州蓓蒂芬科技有限公司 | Polypropylene composite material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113583461A (en) * | 2021-07-30 | 2021-11-02 | 中国热带农业科学院南亚热带作物研究所 | Preparation method of banana stem leaf and straw fiber composite material |
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Application publication date: 20171222 |