CN109535327A - A kind of maleic anhydride-grafted polypropylene material and preparation method thereof of low smell high fusion index - Google Patents
A kind of maleic anhydride-grafted polypropylene material and preparation method thereof of low smell high fusion index Download PDFInfo
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- CN109535327A CN109535327A CN201811522608.5A CN201811522608A CN109535327A CN 109535327 A CN109535327 A CN 109535327A CN 201811522608 A CN201811522608 A CN 201811522608A CN 109535327 A CN109535327 A CN 109535327A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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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
The invention belongs to polymeric material fields, provide a kind of maleic anhydride-grafted polypropylene material and preparation method thereof of low smell high fusion index, including following components in parts by weight: 100 parts of polypropylene, 0.5-0.8 parts of maleic anhydride, 0.05-0.2 parts of initiator, 0.05-0.2 parts of lubricant, 0.05-0.2 parts of eliminating smell agent, 0.05-0.2 parts of plastics flow increasing agent vacuumize auxiliary double screw extruder melting extrusion method preparation by segmentation.Maleic anhydride-grafted polypropylene material obtained by the present invention, volatility is low, and product peculiar smell is small, and high melt index, and good fluidity, processing performance is excellent, can be widely applied to the manufacture of packaging, electronics, building materials, house ornamentation, household electrical appliance and auto parts and components.
Description
Technical field
The invention belongs to a kind of grafting of the maleic anhydride of polymeric material field more particularly to low smell high fusion index is poly-
Propylene material and preparation method thereof.
Background technique
Polypropylene (PP) is the thermoplastic resin of a kind of compound with regular structure, and excellent in mechanical performance, heat-resist, proof stress are opened
Fragility and excellent rigidity, and it is easily processed into type, it is with a wide range of applications.But its toughness is poor, especially in low temperature
Easy brittle failure down, to notch sensitive, with other polymers poor compatibility, it is therefore desirable to make unsaturated polarity by the method for grafting
Monomer is grafted on polyacrylic strand, and to be effectively improved the performance of PP, most common method is using organic peroxy
Compound is initiator, produces graft as grafted monomers using maleic anhydride, acrylic acid etc..In recent years, in packaging, electronics, build
In material, house ornamentation, household electrical appliance and auto industry, polypropylene grafted material is increasingly used for its components former material
Material --- the manufacture of fiber glass reinforced polypropylene, the melt index of polypropylene grafted material be the key that influence fiberglass reinforced effect because
The melt index of element, graft polypropylene is higher, and molecular weight is lower, and viscosity is lower, and mobility is better, is conducive to fiberglass reinforced body
The dipping process of system is conducive to improve compound system interface bond strength, and is conducive to composite wood when raising product post forming
The mobility of material.
Currently, grafted polypropylene material have the defects that it is certain.Most of production commercial cities be by change maleic anhydride with
The dosage of initiator improves melt index, although the big graft polypropylene of melt index can be obtained, larger dosage is drawn
The fracture of polypropylene molecular chain can be promoted during melt extrusion by sending out agent, and then lead to being decreased obviously for material mechanical performance.
Under the hot conditions of melting process, polypropylene forms tertiary charcoal free radical under the action of initiator, breaks easily before graft reaction
It splits, generates degradation and crosslinking, destroy this body structure of polypropylene, cause reaction to be difficult to control, product graft rate is low, processing difficulties；
Meanwhile Downstream processing user often reflects that grafted polypropylene material is often accompanied by smell in forming processes in injection molding, blow molding etc., or even
There is the defects of dazzling, pungent smell spilling in coating, biaxial orientation process, damage workers ' health, also influences the health of product
Property and safety, especially in the relative closures environment such as automobile component, in terms of ornaments processing, it is more next to be unable to satisfy consumer
Stringenter quality requirement.Therefore, how to overcome disadvantage mentioned above, develop the maleic anhydride grafting poly- third of low smell high fusion index
Alkene material is research emphasis in recent years.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide the Malaysias of a kind of low volatility, high fusion index
Anhydride-grafted polypropylene material and preparation method thereof, improves the increase-volume performance of maleic anhydride inoculated polypropylene, while making its gas
Taste reaches 3.5 grades, and melt index controls between 180g/10min-200g/10min.The present invention can effectively solve that grafting is poly-
Propylene material giving forth fragrance and the problem of influence environment in relative closure environment, while also improving PP composite material
The compatibility of material, to widen the application field of PP composite material.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of low smell high fusion index maleic anhydride
Grafted polypropylene material, raw material match as follows in parts by weight: 100 parts of polypropylene, 0.5-0.8 parts of maleic anhydride, initiator
0.05-0.2 parts, 0.05-0.2 parts of lubricant, 0.05-0.2 parts of eliminating smell agent, 0.05-0.2 parts of plastics flow increasing agent.
Preferably, the low smell high fusion index maleic anhydride-grafted polypropylene material, raw material are matched in parts by weight
Than as follows: 100 parts of polypropylene, 0.6-0.8 parts of maleic anhydride, 0.1-0.15 parts of initiator, 0.1 part of lubricant, eliminating smell agent 0.1-
0.15 part, 0.1-0.15 parts of plastics flow increasing agent.
Preferably, the initiator is cumyl peroxide (DCP), benzoyl peroxide (BPO), two isobutyl of azo
One of nitrile (AIBN), two-(tert-butylperoxyiso-propyl) benzene (BIPB), it is furthermore preferred that the initiator is peroxidating two
Isopropylbenzene (DCP)；
Preferably, the lubricant is zinc stearate；
The eliminating smell agent is plastic deodorant；
The plastics flow increasing agent is polypropylene plastics flow increasing agent.
A kind of preparation method of low smell high fusion index maleic anhydride-grafted polypropylene material, comprising the following steps:
Step 1: by each raw material ingredient in parts by weight, in uniformly mixed in high-speed mixer.
Step 2: material after mixing, is put into double screw extruder, and the temperature that each section of extruder is section are as follows: one
158-163 DEG C of area, two 162-167 DEG C of areas, three 168-173 DEG C of areas, four 172-176 DEG C of areas, five 177-183 DEG C of areas, six area 176-
182 DEG C, seven 172-175 DEG C of areas, eight 168-173 DEG C of areas, nine 162-167 DEG C of areas, 175-182 DEG C of head；Every area's residence time 4-5
Second；Host revolution is 550-650r/min；Feed rate is 390kg/h-400kg/h, and the extrusion reaction time is 3-5min；It crosses
Water water temperature is 30 DEG C -35 DEG C；Pelletizing revolving speed is 3500Hz-4000Hz；Die head temperature is set as 220 DEG C -250 DEG C；It is squeezed in melting
It while out, is vacuumized in Section Eight, the 9th differentiation section, extracts the gas of remaining residue out, while filling close to blanking in extruder
The place of setting is filled with inert nitrogen gas, will be discharged with odorous gas, to obtain the maleic anhydride inoculated polypropylene of low smell
Material, check rod, cooling, pelletizing, drying.
The present invention maleic anhydride inoculated polypropylene copolymer that melt index is big in order to obtain and performance is qualified, in formula
A small amount of polypropylene flow increasing agent is introduced, the addition of polypropylene flow increasing agent can reduce point of graft polypropylene in process
Adhesiveness between son improves intermolecular fluid ability, to achieve the purpose that increase its processing fluidity, addition can be obvious
The melt index for improving polypropylene material, improves the processing efficiency of polypropylene material, while having substantially no effect on graft polypropylene
Other performances, thus obtained maleic anhydride inoculated polypropylene introduce highly polar side group on nonpolar molecular backbone,
The bridge for promoting polar material and non-polar material caking property and compatibility can be become, inorganic filler and organic resin can be improved
Compatibility, improve stretching, the impact strength of product, realize high filling, be conducive to Downstream processing production, at the same in being conducive under
Product is processed in trip again.
The mobility of plastics is to measure a Xiang Zhibiao of plastics processing difficulty or ease.Good fluidity, plastic melt are easy to fill
Mould can obtain large thin-wall and complicated plastic.But mobility is very good, and will appear flash, plastics physical and mechanical properties difference
Phenomenon；Mobility is bad, and discontented, scarce material can be filled when forming the plastic of large size, thin-walled and complexity；If poor fluidity, processing
Plastic products out it is in irregular shape, process equipment internal pressure is excessive, and continuous production is poor, and working efficiency is low.It is logical
Adjustment raw material components are crossed, pressure, melt temperature is adjusted, crosses the technological parameters such as water water temperature and pelletizing revolving speed, this hair in production
The melt index of bright obtained maleic anhydride-grafted polypropylene material can be controlled in 180g/min-200g/min.
Plastic deodorant is the organophilic organic material of a kind of white, multi-cellular structure, and in powdered, it is to smell
There is high adsorption capacity with organic matter, there is excellent heat resistance, there is dispersibility well in high molecular material.It will
Selected plastic deodorant powder is sufficiently mixed with other raw materials, comes into full contact with it, can reach elimination peculiar smell in process
Purpose, and the characteristic of material will not be changed；In conjunction with the segmentation evacuation process of extruder, object will volatilize by force using external force
It excludes, improves the compactness of product.The gas that first segment is extracted out in Section Eight extraction section small molecule and easily, second segment vacuum port
In the gas of the 9th area extraction remaining residue, middle cylinder body is the device that screw rod is wrapped up in double screw extruder.It is squeezing out simultaneously
Machine is filled with inert gas at blanking device, will be discharged with odorous gas, so that the maleic anhydride for obtaining low smell connects
Branch polypropylene material；It protects reacting balance to run simultaneously, and reduces product delay.
Compared with prior art, the present invention has following remarkable result:
Maleic anhydride-grafted polypropylene material prepared by the present invention, melt index can be controlled in 180g/min-200g/min, stream
Dynamic property is good, and processing performance is excellent；Volatility is low, and product peculiar smell is small, and safety and sanitation are applied widely；Preparation method operation simultaneously
Simply, equipment investment it is few, it is at low cost, can be continuously produced.
Specific embodiment
The present invention is described further combined with specific embodiments below.
Embodiment 1
Twin-screw extrusion machine host revolution variable is further verified by experiment:
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, extruder temperature of each section section is set in being uniformly mixed in high mixer
It is set to: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas, eight
172 DEG C of area, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as 235
℃；Engine speed is arranged by table 1, and extrusion reaction time 4min, feed rate is set as 400kg/h, through check rod, cooling, pelletizing,
It the results are shown in Table 1.
Influence of the different host revolutions of table 1 to compatilizer
| Polypropylene | Host revolution (r/min) | Grafting rate (%) | Melt index (g/10min) | Oder levels |
| 100 | 500 | 0.3125 | 170.02 | 4 |
| 100 | 550 | 0.3625 | 180.58 | 3.5 |
| 100 | 600 | 0.3524 | 189.68 | 2 |
| 100 | 650 | 0.3754 | 188.96 | 3 |
| 100 | 700 | 0.3889 | 182.35 | 4 |
Result above analysis can obtain: squeezing out machine host revolution is preferably 550r/min-650r/min.
Embodiment 2
100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of lubricant are taken, adds DCP according to initiator amount in table 2,0.1 part is removed
Taste agent, 0.05 part of plastics flow increasing agent are placed in high mixer and are uniformly mixed, and put into double screw extruder, the temperature that each section of extruder
Spend section setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, 7th area
174 DEG C, eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature
It is set as 235 DEG C；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, it the results are shown in Table 2.
Influence of the different initiator contents of table 2 to compatilizer
| Polypropylene | Initiator (DCP) | Grafting rate (%) | Melt index (g/10min) | Oder levels |
| 100 | 0.05 | 0.3026 | 183.23 | 4 |
| 100 | 0.1 | 0.2958 | 199.58 | 3.5 |
| 100 | 0.15 | 0.3589 | 196.86 | 3 |
| 100 | 0.2 | 0.3847 | 190.36 | 3.5 |
Result above analysis can obtain: the dosage of initiator DCP is preferably 0.1-0.15 parts.
Embodiment 3
Take 95 parts of polypropylene, 5 parts of POE, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part remove
Taste agent, 0.05 part of plastics flow increasing agent are put into double screw extruder, the temperature that each section of extruder in being uniformly mixed in high mixer
Section setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, 7th area
174 DEG C, eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature
It is set as 235 DEG C；Engine speed 600r/min, extrusion reaction time 4min；Feed rate in table 3 by being arranged, through check rod, cold
But, pelletizing the results are shown in Table 3.
Influence of the different feed rates of table 3 to compatilizer
| Feed rate (kg/h) | Grafting rate (%) | Melt index (g/10min) | Oder levels |
| 350 | 0.2524 | 178.26 | 4 |
| 360 | 0.3454 | 179.85 | 4.5 |
| 370 | 0.3625 | 174.62 | 4 |
| 380 | 0.3756 | 190.58 | 3.5 |
| 390 | 0.3586 | 198.52 | 3 |
| 400 | 0.3675 | 189.56 | 3.5 |
| 410 | 0.3845 | 187.58 | 4.5 |
Result above analysis can obtain: feed rate is preferably 390kg/h-400kg/h.
Embodiment 4.
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of taste removal
Agent, 0.05 part of plastics flow increasing agent are put into double screw extruder, the humidity province that each section of extruder in being uniformly mixed in high mixer
Between be arranged are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven areas 174
DEG C, eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature setting
It is 235 DEG C；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the eight, the nine, which distinguish section, is taken out very
Empty vacuum gauge pressure is pressed data in table 4 respectively and is arranged, and the results are shown in Table 4.
Influence of the eight, the nine area's difference evacuated pressure of table 4 to compatilizer
Result above analysis can obtain: if vacuumized in the eight, the nine areas using segmentation, the negative pressure of vacuum in the eight, the nine areas is set
Set preferably -0.06Mpa/-0.06Mpa.
Embodiment 5
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, fourth, fifth differentiation section is vacuumized
Vacuum gauge pressure press in table 5 data respectively and be arranged, the results are shown in Table 5.
Influence of the 5 fourth, fifth area's difference evacuated pressure of table to compatilizer
Result above analysis can obtain: if vacuumized in fourth, fifthth area using segmentation, the negative pressure of vacuum in fourth, fifthth area is set
Set preferably -0.08Mpa/-0.04Mpa.
Embodiment 6
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the four, the six differentiation sections are vacuumized
Vacuum gauge pressure press in table 6 data respectively and be arranged, the results are shown in Table 6.
Influence of the four, the six area's difference evacuated pressure of table 6 to compatilizer
Result above analysis can obtain: if vacuumized in the four, the six areas using segmentation, the negative pressure of vacuum in the four, the six areas is set
Set preferably -0.06Mpa/-0.06Mpa.
Embodiment 7
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the four, the seven differentiation sections are vacuumized
Vacuum gauge pressure press in table 7 data respectively and be arranged, the results are shown in Table 7.
Influence of the four, the seven area's difference evacuated pressure of table 7 to compatilizer
Result above analysis can obtain: if vacuumized in the four, the seven areas using segmentation, the negative pressure of vacuum in the four, the seven areas is set
Set preferably -0.04Mpa/-0.08Mpa.
Embodiment 8
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the four, the eight differentiation sections are vacuumized
Vacuum gauge pressure press in table 8 data respectively and be arranged, the results are shown in Table 8.
Influence of the four, the eight area's difference evacuated pressure of table 8 to compatilizer
Result above analysis can obtain: if vacuumized in the four, the eight areas using segmentation, the negative pressure of vacuum in the four, the eight areas is set
Set preferably -0.08Mpa/-0.04Mpa；
Embodiment 9
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the four, the nine differentiation sections are vacuumized
Vacuum gauge pressure press in table 9 data respectively and be arranged, the results are shown in Table 9.
Influence of the four, the nine area's difference evacuated pressure of table 9 to compatilizer
Result above analysis can obtain: if vacuumized in the four, the nine areas using segmentation, the negative pressure of vacuum in the four, the nine areas is set
Set preferably -0.06Mpa/-0.06Mpa.
Embodiment 10
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the five, the six differentiation sections are vacuumized
Vacuum gauge pressure press in table 10 data respectively and be arranged, the results are shown in Table 10.
Influence of the five, the six area's difference evacuated pressure of table 10 to compatilizer
Result above analysis can obtain: if vacuumized in the five, the six areas using segmentation, the negative pressure of vacuum in the five, the six areas is set
Set preferably -0.1Mpa/-0.02Mpa.
Embodiment 11
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the five, the seven differentiation sections are vacuumized
Vacuum gauge pressure press in table 11 data respectively and be arranged, the results are shown in Table 11.
Influence of the five, the seven area's difference evacuated pressure of table 11 to compatilizer
Result above analysis can obtain: if vacuumized in the five, the seven areas using segmentation, the negative pressure of vacuum in the five, the seven areas is set
Set preferably -0.02Mpa/-0.1Mpa；
Embodiment 12
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the five, the eight differentiation sections are vacuumized
Vacuum gauge pressure press in table 12 data respectively and be arranged, the results are shown in Table 12.
Influence of the five, the eight area's difference evacuated pressure of table 12 to compatilizer
Result above analysis can obtain: if vacuumized in the five, the eight areas using segmentation, the negative pressure of vacuum in the five, the eight areas is set
Set preferably -0.1Mpa/-0.02Mpa；
Embodiment 13
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the five, the nine differentiation sections are vacuumized
Vacuum gauge pressure press in table 13 data respectively and be arranged, the results are shown in Table 13.
Influence of the five, the nine area's difference evacuated pressure of table 13 to compatilizer
Result above analysis can obtain: if vacuumized in the five, the nine areas using segmentation, the negative pressure of vacuum in the five, the nine areas is set
Set preferably -0.06Mpa/-0.06Mpa；
Embodiment 14
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the six, the seven differentiation sections are vacuumized
Vacuum gauge pressure press in table 14 data respectively and be arranged, the results are shown in Table 14.
Influence of the six, the seven area's difference evacuated pressure of table 14 to compatilizer
| DCP | Negative pressure of vacuum (Mpa) | Grafting rate (%) | Melt index (g/10min) | Oder levels |
| 0.05 | -0.02/-0.1 | 0.3756 | 189.23 | 3 |
| 0.1 | -0.04/-008 | 0.3868 | 188.58 | 3.5 |
| 0.15 | -0.06/-0.06 | 0.3889 | 195.86 | 3.5 |
| 0.2 | -0.08/-0.04 | 0.3757 | 189.36 | 3 |
| 0.2 | -0.1/-0.02 | 0.3694 | 188.54 | 3 |
Result above analysis can obtain: if vacuumized in the six, the seven areas using segmentation, the negative pressure of vacuum in the six, the seven areas is set
Set preferably -0.06Mpa/-0.06Mpa.
Embodiment 15
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the six, the eight differentiation sections are vacuumized
Vacuum gauge pressure press in table 15 data respectively and be arranged, the results are shown in Table 15.
Influence of the six, the eight area's difference evacuated pressure of table 15 to compatilizer
| DCP | Negative pressure of vacuum (Mpa) | Grafting rate (%) | Melt index (g/10min) | Oder levels |
| 0.05 | -0.02/-0.1 | 0.3756 | 189.23 | 3 |
| 0.1 | -0.04/-008 | 0.3868 | 198.58 | 3 |
| 0.15 | -0.06/-0.06 | 0.3789 | 196.86 | 3.5 |
| 0.2 | -0.08/-0.04 | 0.3857 | 189.36 | 3.5 |
| 0.2 | -0.1/-0.02 | 0.3794 | 189.54 | 3 |
Result above analysis can obtain: if vacuumized in the six, the eight areas using segmentation, the negative pressure of vacuum in the six, the eight areas is set
Set preferably -0.04Mpa/-0.08Mpa.
Embodiment 16
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the six, the nine differentiation sections are vacuumized
Vacuum gauge pressure press in table 16 data respectively and be arranged, the results are shown in Table 16.
Influence of the six, the nine area's difference evacuated pressure of table 16 to compatilizer
| DCP | Negative pressure of vacuum (Mpa) | Grafting rate (%) | Melt index (g/10min) | Oder levels |
| 0.05 | -0.02/-0.1 | 0.3796 | 189.23 | 3 |
| 0.1 | -0.04/-008 | 0.3768 | 195.58 | 3.5 |
| 0.15 | -0.06/-0.06 | 0.3889 | 196.86 | 3 |
| 0.2 | -0.08/-0.04 | 0.3877 | 190.36 | 3.5 |
| 0.2 | -0.1/-0.02 | 0.3764 | 189.54 | 3 |
Result above analysis can obtain: if vacuumized in the six, the nine areas using segmentation, the negative pressure of vacuum in the six, the nine areas is set
Set preferably -0.06Mpa/-0.06Mpa；
Embodiment 17
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the seven, the eight differentiation sections are vacuumized
Vacuum gauge pressure press in table 17 data respectively and be arranged, the results are shown in Table 17.
Influence of the seven, the eight area's difference evacuated pressure of table 17 to compatilizer
Result above analysis can obtain: if vacuumized in the seven, the eight areas using segmentation, the negative pressure of vacuum in the seven, the eight areas is set
Set preferably -0.04Mpa/-0.08Mpa.
Embodiment 18
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, the seven, the nine differentiation sections are vacuumized
Vacuum gauge pressure press in table 18 data respectively and be arranged, the results are shown in Table 18.
Influence of the seven, the nine area's difference evacuated pressure of table 18 to compatilizer
| DCP | Negative pressure of vacuum (Mpa) | Grafting rate (%) | Melt index (g/10min) | Oder levels |
| 0.05 | -0.02/-0.1 | 0.3823 | 195.23 | 3 |
| 0.1 | -0.04/-008 | 0.3868 | 196.58 | 3.5 |
| 0.15 | -0.06/-0.06 | 0.3889 | 191.86 | 3 |
| 0.2 | -0.08/-0.04 | 0.3837 | 192.36 | 3.5 |
| 0.2 | -0.1/-0.02 | 0.3784 | 189.54 | 3 |
Result above analysis can obtain: if vacuumized in the seven, the nine areas using segmentation, the negative pressure of vacuum in the seven, the nine areas is set
Set preferably -0.04Mpa/-0.08Mpa；
Embodiment 19
Take 100 parts of polypropylene, 0.7 part of maleic anhydride, 0.1 part of cumyl peroxide, 0.1 part of lubricant, 0.1 part of eliminating smell agent,
0.05 part of plastics flow increasing agent is put into double screw extruder, the temperature range that each section of extruder in being uniformly mixed in high mixer
Setting are as follows: 160 DEG C of an area, two 165 DEG C of areas, three 170 DEG C of areas, four 173 DEG C of areas, five 180 DEG C of areas, six 179 DEG C of areas, seven 174 DEG C of areas,
Eight 172 DEG C of areas, nine 165 DEG C of areas, 178 DEG C of head；Crossing water water temperature is 33 DEG C；Pelletizing revolving speed is 3800Hz；Die head temperature is set as
235℃；Engine speed 600r/min, extrusion reaction time 4min；Through check rod, cooling, pelletizing, it is segmented the vacuum gauge pressure vacuumized
It power and vacuumizes region and is arranged respectively by data in table 19, the results are shown in Table 19.
19 different zones of table vacuumize the influence to compatilizer
Result above analysis can obtain: the eight, the nine areas using segmentation vacuumize negative pressure of vacuum setting preferably-
0.025Mpa/-0.08Mpa；Maleic anhydride-grafted polypropylene material produced by the present invention, melt index are 180~200g/
10min(melting means instrument temperature is 190 DEG C, and counterweight weight is 2.16Kg).
Embodiment 20
By testing further verifying, maleic anhydride-grafted polypropylene material produced by the present invention melts PP as compatilizer
The influence of index, smell, mechanical property: polypropylene, short glass fiber, maleic anhydride are grafted according to parts by weight shown in table 20 and gathered
The materials such as propylene are placed in standard injection molding machine and are directly molded by short glass fiber enhancing PP exemplar.Injection molding machine technique are as follows: nozzle temperature 210
DEG C, one 210 DEG C of warm area, 2 200 DEG C of warm area, 3 190 DEG C of warm area；Injection pressure are as follows: 55 bar of an area, 2nd areas, 60 bar, 3rd area
60 bar, 4th areas, 60 bar, 5th areas, 60 bar；Injection moulding speed are as follows: 60 cm of an area3/ s, two area 65cm3/ s, three area 65cm3/ s,
Four area 60cm3/ s, five area 60cm3/s。
Influence of 20 compatilizer of table to enhancing PP melt index and smell
| PP | Glass | Compatilizer | Initiator | Lubricant | Grafting rate (%) | Melt index (g/10min) | Oder levels |
| 67 | 30 | 3 | 0.1 | 0.2 | 0.3123 | 1.53 | 4 |
| 66 | 30 | 4 | 0.1 | 0.2 | 0.3546 | 1.76 | 4 |
| 65 | 30 | 5 | 0.1 | 0.2 | 0.3652 | 1.67 | 3 |
| 64 | 30 | 6 | 0.1 | 0.2 | 0.3215 | 1.87 | 3.5 |
| 63 | 30 | 7 | 0.1 | 0.2 | 0.3532 | 1.89 | 3.5 |
Influence of 21 compatilizer of table to enhancing PP mechanical property
By above-mentioned testing result it is found that maleic anhydride-grafted polypropylene material prepared by the present invention is using special formulation and technique
By the translucent compatilizer of low smell high fusion index prepared by reactive extrursion, grafting rate is between 0.3%-0.4%, melting stream
Dynamic rate is 200g/10min (190 DEG C, 2.16kg), increase-volume ultrahigh in efficiency, a small amount of addition be remarkably improved mechanical property and
Apparent mass improves polyacrylic compatibility；The maleic anhydride is added in short glass fiber reinforced polypropylene compound material simultaneously to connect
Branch polypropylene material, can make polar grafted monomers and glass surface interact, and form ionic bond, increase polypropylene and glass
Interfacial adhesion, form good interfacial effect, effectively improve the performance of fiberglass reinforced PP.
It is to be understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this
Technical solution described in inventive embodiments, those skilled in the art should understand that, still the present invention can be carried out
Modification or equivalent replacement, to reach identical technical effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (7)
1. a kind of maleic anhydride-grafted polypropylene material of low smell high fusion index, it is characterised in that: the maleic anhydride connects
Branch polypropylene material is prepared by following raw material in parts by weight: 100 parts of polypropylene, 0.5-0.8 parts of maleic anhydride, initiator
0.05-0.2 parts, 0.05-0.2 parts of lubricant, 0.05-0.2 parts of eliminating smell agent, 0.05-0.2 parts of plastics flow increasing agent.
2. the maleic anhydride-grafted polypropylene material of low smell high fusion index as described in claim 1, it is characterised in that: institute
It states maleic anhydride-grafted polypropylene material to be prepared by following raw material in parts by weight: 100 parts of polypropylene, maleic anhydride 0.6-
0.8 part, 0.1-0.15 parts of initiator, 0.1 part of lubricant, 0.1-0.15 parts of eliminating smell agent, 0.1-0.15 parts of plastics flow increasing agent.
3. the maleic anhydride-grafted polypropylene material of low smell high fusion index as described in claim 1, it is characterised in that: institute
The initiator stated is cumyl peroxide (DCP), benzoyl peroxide (BPO), azodiisobutyronitrile (AIBN), two-(tertiary fourths
One of base peroxy isopropyl base) benzene (BIPB), it is preferable that the initiator is cumyl peroxide (DCP).
4. the maleic anhydride-grafted polypropylene material of low smell high fusion index as described in claim 1, it is characterised in that: institute
Stating lubricant is zinc stearate.
5. the maleic anhydride-grafted polypropylene material of low smell high fusion index as described in claim 1, it is characterised in that: institute
Stating eliminating smell agent is plastic deodorant.
6. the maleic anhydride-grafted polypropylene material of low smell high fusion index as described in claim 1, it is characterised in that: institute
Stating plastics flow increasing agent is polypropylene plastics flow increasing agent.
7. a kind of preparation method of the maleic anhydride-grafted polypropylene material of low smell high fusion index, which is characterized in that including
Following steps:
Step 1: by each raw material ingredient in parts by weight, in uniformly mixed in high-speed mixer；
Step 2, material after mixing, are put into double screw extruder, extruder temperature of each section setting are as follows: an area 158-
163 DEG C, two 162-167 DEG C of areas, three 168-173 DEG C of areas, four 172-176 DEG C of areas, five 177-183 DEG C of areas, six 176-182 DEG C of areas,
Seven 172-175 DEG C of areas, eight 168-173 DEG C of areas, nine 162-167 DEG C of areas, 175-182 DEG C of head；Every area's residence time 4-5 second；It is main
Machine revolution is 550-650r/min；Feed rate is 390kg/h-400kg/h, and the extrusion reaction time is 3-5min；Cross water water temperature
It is 30 DEG C -35 DEG C；Pelletizing revolving speed is 3500Hz-4000Hz；Die head temperature is set as 220 DEG C -250 DEG C；In the same of melting extrusion
When, it is vacuumized in Section Eight, the 9th differentiation section, is filled with inert gas at blanking device in extruder；Check rod, is cut at cooling
Grain, drying.
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| CN111304829A (en) * | 2020-04-28 | 2020-06-19 | 辽宁东铄新材料科技有限公司 | Preparation method of odorless melt-blown fabric |
| CN112961422A (en) * | 2021-02-20 | 2021-06-15 | 江苏上上电缆集团新材料有限公司 | Ultra-low shrinkage polyethylene sheath material for track traffic power cable and preparation method thereof |
| CN114085324A (en) * | 2021-12-31 | 2022-02-25 | 山东天风新材料有限公司 | Low-odor polypropylene grafted maleic anhydride and preparation method thereof |
| CN114437263A (en) * | 2020-10-20 | 2022-05-06 | 中国石油化工股份有限公司 | Low-VOC low-odor polypropylene resin and preparation method and application thereof |
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| CN108892752A (en) * | 2018-07-20 | 2018-11-27 | 厦门科艾斯塑胶科技有限公司 | A kind of low smell grafting compatilizer and preparation method thereof |
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| US6262182B1 (en) * | 1999-06-09 | 2001-07-17 | Eastman Chemical Co., Ltd. | Solution modification of polyolefins |
| CN101314628A (en) * | 2008-06-30 | 2008-12-03 | 上海日之升新技术发展有限公司 | High-efficiency ultra-low-smell maleic anhydride graft composition |
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| CN111304829A (en) * | 2020-04-28 | 2020-06-19 | 辽宁东铄新材料科技有限公司 | Preparation method of odorless melt-blown fabric |
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| CN114437263B (en) * | 2020-10-20 | 2023-12-08 | 中国石油化工股份有限公司 | Low-VOC low-odor polypropylene resin and preparation method and application thereof |
| CN112961422A (en) * | 2021-02-20 | 2021-06-15 | 江苏上上电缆集团新材料有限公司 | Ultra-low shrinkage polyethylene sheath material for track traffic power cable and preparation method thereof |
| CN114085324A (en) * | 2021-12-31 | 2022-02-25 | 山东天风新材料有限公司 | Low-odor polypropylene grafted maleic anhydride and preparation method thereof |
| CN114085324B (en) * | 2021-12-31 | 2024-03-26 | 山东天风新材料有限公司 | Low-odor polypropylene grafted maleic anhydride and preparation method thereof |
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