CN103342859A - Low-odor and low-VOC (Volatile Organic Compounds) glass fiber reinforced polypropylene composite material and preparation method thereof - Google Patents
Low-odor and low-VOC (Volatile Organic Compounds) glass fiber reinforced polypropylene composite material and preparation method thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B2009/125—Micropellets, microgranules, microparticles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention discloses a low-odor and low-VOC (Volatile Organic Compounds) glass fiber reinforced polypropylene composite material and a preparation method thereof. The material consists of the following components in percentage by weight: 53-83 percent of polypropylene resin, 10-40 percent of glass fiber, 2-5 percent of compatibilizer, 1-2 percent of deodorant and 0.1-2 percent of auxiliary agent, wherein the components are melted, extruded and granulated through a double-screw extruder at the temperature of 200-240 DEG C and under a vacuum condition to prepare the low-odor and low-VOC glass fiber reinforced polypropylene composite material. According to the glass fiber reinforced polypropylene composite material prepared by the method, the odor level reaches the technological requirements, the VOC content is extremely low, most importantly, the amount of added deodorant is small, both the appearance and the physical performance of the material are not affected, the material can be used for directly replacing a material in use completely, and the application of the glass fiber reinforced polypropylene material to the fields of automotive interior parts and parts of household appliances can be effectively expanded.
Description
Technical field
The present invention relates to the polymer modification technical field, relate to a kind of low smell, low VOC glass fiber reinforced polypropylene composite material and preparation method thereof, be used for the low smell of automobile, household electrical appliances product, low VOC fiber glass reinforced polypropylene material.
Background technology
Fiber glass reinforced polypropylene material has characteristics such as high rigidity, high heat-resisting, resistance to chemical attack and dimensional stability because of it, be widely used in fields such as automobile, electrical equipment, household electrical appliances.This material except having good mechanical performance, processing characteristics, also will have the content of good low smell and low VOC(volatile organic compounds as automotive upholstery and the use of part household electrical appliances product the time).
For smell and the VOC content that limits the inside gadget material, the correlative study work of this respect is set about having carried out in each big automobile making commercial city in the world, and has formed respectively these volatile injurant matter standard of standard and control in addition.And domestic automobile manufacturers such as companies such as lucky automobile, Great Wall Automobile are in order to dwindle with offshore company in the gap aspect the automobile-used inside gadget material, require each material supplier that aspects such as the smell of material and VOC are improved, in the hope of reaching the same class standard of offshore company.This patent namely adopts " the Q/JLY J711061-2009 " of the lucky automobile issue in Zhejiang that smell is graded, and by " the Q/CC SY248-2011 " that Great Wall Automobile is sent out VOC is tested.
Chinese patent publication number CN102030945A, title: a kind of low smell glass fiber reinforced polypropylene composite material and preparation method thereof, file discloses a kind of low smell glass fiber reinforced polypropylene composite material and preparation method thereof, by the 32-91% acrylic resin, the 5-50% glass fibre, the 2-8% compatilizer, other auxiliary agent of 1-6% smell inhibitor and 1-4% is formed, under 200-240 ℃ of temperature control condition, melt extrude granulation through twin screw extruder, make low smell Reinforced Polypropylene material.This material selection be the smell inhibitor, stoped distributing of material smell, but smell can discharge slowly in use later on still at material internal, can't fundamentally solve the problem of smell, VOC.
Summary of the invention
1, invents the technical problem that will solve
Smell and VOC content problem at present fiber glass reinforced polypropylene existence, the invention provides a kind of low smell, low VOC glass fiber reinforced polypropylene composite material and preparation method thereof, introduce deodovization agent, adopted physics to combine with chemisorption, and by improving the method for production technique, as the vacuum tightness requirement, obtained the glass fiber reinforced polypropylene composite material of a kind of low smell, low VOC content.
2, technical scheme
A kind of low smell, low VOC content glass fiber reinforced polypropylene composite material, its composition is as follows by weight percentage:
Described deodovization agent is made up of nano zine oxide and nano titanium oxide, and ratio is 1:1.
Polypropylene in the described glass fiber reinforced polypropylene composite material is a kind of in homo-polypropylene, the Co-polypropylene or their mixture.
Described glass diameter is the 10-16 micron.
Described compatilizer is polypropylene and unsaturated acid or anhydride polymers grafted, and its percentage of grafting is 0.6-1.5%.
Described auxiliary agent is the two or more mixture of oxidation inhibitor, lubricant or photostabilizer.
Above-mentioned a kind of low smell, the preparation method of low VOC content fiber glass reinforced polypropylene, its step comprises:
(1) polypropylene, compatilizer, deodovization agent and auxiliary agent are pre-mixed in mixer evenly by the mass ratio requirement, standby;
(2) pour Preblend into loading hopper, glass adds from the side spout, and granulated and dried after twin screw extruder melt extrudes is made fiber glass reinforced polypropylene material, and described forcing machine processing temperature is controlled at 200-225 ℃, vacuum tightness≤-0.07.The height of vacuum tightness, how many lower-molecular substances directly have influence on has taken away by vacuum pump in the material, thereby has influence on smell and the VOC content of material, the i.e. key characteristic of material.
3, beneficial effect
The invention provides a kind of low smell, low VOC glass fiber reinforced polypropylene composite material and preparation method thereof, selected deodovization agent is the mixture of nano zine oxide and nano titanium oxide, by the mode that adopts physics and chemisorption to combine to the lower-molecular substance in the material, by the technology that vacuumizes small-molecule substance is extracted out again, thereby the matrix material for preparing has low smell, low VOC content characteristics.In addition, the adding of deodovization agent does not only influence mechanical property and the outward appearance of material, can directly replace the material in usefulness fully.
Embodiment
The comparative example:
A kind of low smell, low VOC glass fiber reinforced polypropylene composite material, be made up of following mass percent: polypropylene 69%, glass 25%, compatilizer are 5%, auxiliary agent 1%, and the polypropylene in the described glass fiber reinforced polypropylene composite material is homo-polypropylene; Described glass diameter is 13 microns; Described compatilizer is polypropylene grafted maleic anhydride, i.e. the oligopolymer of polypropylene and unsaturated acid or anhydride grafting, and its percentage of grafting is 1%; Described auxiliary agent is oxidation inhibitor and lubricant, and polypropylene, compatilizer and auxiliary agent are required to be pre-mixed in mixer evenly in proportion, and is standby; And pour Preblend into loading hopper, and glass adds from the side spout, and granulated and dried after twin screw extruder melt extrudes is made fiber glass reinforced polypropylene material.
Embodiment 1
A kind of low smell, low VOC glass fiber reinforced polypropylene composite material, formed by following mass percent: polypropylene 68%, glass 25%, compatilizer 5%, deodovization agent 1% and auxiliary agent 1%, described deodovization agent is the nano-oxide mixture, be made up of nano zine oxide and nano titanium oxide, mass ratio is 1:1; Polypropylene in the described glass fiber reinforced polypropylene composite material is homo-polypropylene; Described glass diameter is 10 microns; Described compatilizer is polypropylene grafted maleic anhydride, and its percentage of grafting is 0.6%; Described auxiliary agent is oxidation inhibitor and lubricant mixture.Its preparation method is:
(1) polypropylene, compatilizer, deodovization agent and auxiliary agent are required to be pre-mixed in mixer according to the above ratio evenly, standby;
(2) pour Preblend into loading hopper, glass adds from the side spout, granulated and dried after twin screw extruder melt extrudes, make fiber glass reinforced polypropylene material, described twin screw extruder one to nine district's processing temperature is respectively 200 ℃, 225 ℃, 225 ℃, 222 ℃, 218 ℃, 215 ℃, 210 ℃, 205 ℃ and 200 ℃, the cross-head temperature is 215 ℃, and vacuum tightness is-0.08.
Embodiment 2
A kind of low smell, low VOC glass fiber reinforced polypropylene composite material, formed by following mass percent: polypropylene 82.9%, glass 10%, compatilizer 5%, deodovization agent 2% and auxiliary agent 0.1%, described deodovization agent is the nano-oxide mixture, be made up of nano zine oxide and nano titanium oxide, mass ratio is 1:1; Polypropylene in the described glass fiber reinforced polypropylene composite material is Co-polypropylene; Described glass diameter is 16 microns; Described compatilizer is polypropylene grafted maleic anhydride, and its percentage of grafting is 0.6%; Described auxiliary agent is the mixture of oxidation inhibitor and photostabilizer.Its preparation method is:
(1) polypropylene, compatilizer, deodovization agent and auxiliary agent are required to be pre-mixed in mixer in proportion evenly, standby;
(2) pour Preblend into loading hopper, glass adds from the side spout, granulated and dried after twin screw extruder melt extrudes, make fiber glass reinforced polypropylene material, described twin screw extruder one to nine district's processing temperature is respectively 200 ℃, 225 ℃, 225 ℃, 222 ℃, 218 ℃, 215 ℃, 210 ℃, 205 ℃ and 200 ℃, the cross-head temperature is 215 ℃, and vacuum tightness is-0.08.
Embodiment 3
A kind of low smell, low VOC glass fiber reinforced polypropylene composite material, formed by following mass percent: polypropylene 53%, glass 40%, compatilizer 4%, deodovization agent 1% and auxiliary agent 2%, described deodovization agent is the nano-oxide mixture, be made up of nano zine oxide and nano titanium oxide, mass ratio is 1:1; Polypropylene in the described glass fiber reinforced polypropylene composite material is homo-polypropylene and the polyacrylic mixture of copolymerization; Described glass diameter is 13 microns; Described compatilizer is polypropylene grafted maleic anhydride, and its percentage of grafting is 0.6%; Described auxiliary agent is the mixture of lubricant and photostabilizer.Its preparation method is:
(1) polypropylene, compatilizer, deodovization agent and auxiliary agent are required to be pre-mixed in mixer in proportion evenly, standby;
(2) pour Preblend into loading hopper, glass adds from the side spout, granulated and dried after twin screw extruder melt extrudes, make fiber glass reinforced polypropylene material, described twin screw extruder one to nine district's processing temperature is respectively 200 ℃, 225 ℃, 225 ℃, 222 ℃, 218 ℃, 215 ℃, 210 ℃, 205 ℃ and 200 ℃, the cross-head temperature is 215 ℃, and vacuum tightness is-0.08.
Embodiment 4
A kind of low smell, low VOC glass fiber reinforced polypropylene composite material, formed by following mass percent: polypropylene 71%, glass 25%, compatilizer 2%, deodovization agent 1.5% and auxiliary agent 0.5%, described deodovization agent is the nano-oxide mixture, be made up of nano zine oxide and nano titanium oxide, mass ratio is 1:1; Polypropylene in the described glass fiber reinforced polypropylene composite material is for being homo-polypropylene and the polyacrylic mixture of copolymerization; Described glass diameter is 13 microns; Described compatilizer is polypropylene grafted maleic anhydride, and its percentage of grafting is 1%; Described auxiliary agent is the mixture of oxidation inhibitor and lubricant.Its preparation method is:
(1) polypropylene, compatilizer, deodovization agent and auxiliary agent are required to be pre-mixed in mixer in proportion evenly, standby;
(2) pour Preblend into loading hopper, glass adds from the side spout, granulated and dried after twin screw extruder melt extrudes, make fiber glass reinforced polypropylene material, described twin screw extruder one to nine district's processing temperature is respectively 200 ℃, 225 ℃, 225 ℃, 222 ℃, 218 ℃, 215 ℃, 210 ℃, 205 ℃ and 200 ℃, the cross-head temperature is 215 ℃, and vacuum tightness is-0.08.
Embodiment 5
A kind of low smell, low VOC glass fiber reinforced polypropylene composite material, formed by following mass percent: polypropylene 70%, glass 25%, compatilizer 2%, deodovization agent 2% and auxiliary agent 1%, described deodovization agent is the nano-oxide mixture, be made up of nano zine oxide and nano titanium oxide, mass ratio is 1:1; Polypropylene in the described glass fiber reinforced polypropylene composite material is for being homo-polypropylene and the polyacrylic mixture of copolymerization; Described glass diameter is 13 microns; Described compatilizer is polypropylene grafted maleic anhydride, and its percentage of grafting is 1.5%; Described auxiliary agent is the mixture of oxidation inhibitor and lubricant.Its preparation method is:
(1) polypropylene, compatilizer, deodovization agent and auxiliary agent are required to be pre-mixed in mixer in proportion evenly, standby;
(2) pour Preblend into loading hopper, glass adds from the side spout, granulated and dried after twin screw extruder melt extrudes, make fiber glass reinforced polypropylene material, described twin screw extruder one to nine district's processing temperature is respectively 200 ℃, 225 ℃, 225 ℃, 222 ℃, 218 ℃, 215 ℃, 210 ℃, 205 ℃ and 200 ℃, the cross-head temperature is 215 ℃, and vacuum tightness is-0.08.
We investigate different compatilizers and the prepared product of deodovization agent by comparative example and embodiment 1-5, influence to material property and smell, adopt " the Q/JLY J711061-2009 " of the lucky automobile issue in Zhejiang that smell is graded, and by " the Q/CC SY248-2011 " that Great Wall Automobile is sent out VOC is tested.See Table 1.
Table 1 comparative example and embodiment 1-5 performance are relatively
From the embodiment test data, add after the deodovization agent, the smell of material is brought up to 5 grades by original 4 grades, and the interpolation of deodovization agent has reduced the small-molecule substance content of material internal to a certain extent.But under the constant situation of the content of deodovization agent, the Reinforced Polypropylene material smell gender gap of different glass fiber contents is little.In addition, the interpolation of different compatilizers is little to mechanical property of materials influence, especially after the deodovization agent that has added some amount.But different compatilizers is relatively more remarkable to the influence of material smell, brings up to 6 grades from 5 grades.This may be due to the monomer content difference residual in the different compatilizers.After having added 2% deodovization agent, the smell of material further reduces, and reaches 7 grades, has met the requirement of automotive upholstery to the material smell substantially.In addition, the plastic pellet color that embodiment 5 produces and outward appearance and Comparative Examples compare, and difference is not very big, can directly replace on the original basis.
In addition, the product that comparative example and 5 two materials of embodiment are injection molded into has been done the test of VOC respectively, and it the results are shown in Table 3.
Table 2, comparative example and embodiment 5VOC test result are relatively
Remarks: ND represents to be lower than the instrument limit of detection and detects to come out.
Test from table 2, the part volatile quantity among the embodiment 5 is far smaller than Comparative Examples, and especially in test events such as ethylbenzene, dimethylbenzene, vinylbenzene and TVOC, this result satisfies the automotive upholstery industry substantially to the requirement of material VOC.
Claims (9)
1. a low smell, low VOC glass fiber reinforced polypropylene composite material is characterized in that, are made up of following mass percent:
Polypropylene 53-83%
Glass 10-40%
Compatilizer 2-5%
Deodovization agent 1-2%
Auxiliary agent 0.1-2%.
2. low smell according to claim 1, low VOC glass fiber reinforced polypropylene composite material is characterized in that, described deodovization agent is that nano zine oxide and the nano titanium oxide of 1:1 formed by mass ratio.
3. low smell according to claim 1, low VOC glass fiber reinforced polypropylene composite material is characterized in that described polypropylene is a kind of or its mixture in homo-polypropylene, the Co-polypropylene.
4. low smell according to claim 1, low VOC glass fiber reinforced polypropylene composite material is characterized in that described glass diameter is the 10-16 micron.
5. low smell according to claim 1, low VOC glass fiber reinforced polypropylene composite material is characterized in that described compatilizer is polypropylene and unsaturated acid or anhydride polymers grafted, and its percentage of grafting is 0.6-1.5%.
6. low smell according to claim 1, low VOC glass fiber reinforced polypropylene composite material, it is characterized in that: described auxiliary agent comprises their two or more mixtures of oxidation inhibitor, lubricant or photostabilizer.
7. low smell according to claim 5, low VOC glass fiber reinforced polypropylene composite material is characterized in that described polypropylene and unsaturated acid or anhydride polymers grafted are polypropylene grafted maleic anhydride, and its percentage of grafting is 1.5%.
8. according to the described low smell of claim 1-7, low VOC glass fiber reinforced polypropylene composite material, its preparation method is:
(1) polypropylene, compatilizer, deodovization agent and the auxiliary agent proportion requirement by described mass percent is pre-mixed in mixer evenly, standby;
(2) pour Preblend into loading hopper, glass adds from the side spout, and granulated and dried after twin screw extruder melt extrudes is made fiber glass reinforced polypropylene material, and described twin screw extruder processing temperature is controlled at 200-225 ℃, vacuum tightness≤-0.07.
9. the preparation method of low smell according to claim 8, low VOC glass fiber reinforced polypropylene composite material, described twin screw extruder processing temperature is 200 ℃, 225 ℃, 225 ℃, 222 ℃, 218 ℃, 215 ℃, 210 ℃, 205 ℃ and 200 ℃ respectively of one to nine district's processing temperatures, the cross-head temperature is 215 ℃, and described vacuum tightness is-0.08.
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| CN104262782A (en) * | 2014-09-17 | 2015-01-07 | 上海日之升新技术发展有限公司 | Ultralow-emission glass-fiber-reinforced polypropylene composite material and preparation method thereof |
| CN105001525A (en) * | 2015-07-29 | 2015-10-28 | 博富科技股份有限公司 | Low-VOC low-odor environmental-friendly flame-resistant glass fiber reinforced PP composite material and preparation method thereof |
| CN106009271A (en) * | 2016-06-23 | 2016-10-12 | 神华集团有限责任公司 | Modified polypropylene composition and preparation method thereof |
| CN106032421A (en) * | 2015-03-11 | 2016-10-19 | 株洲时代新材料科技股份有限公司 | A low-smell low-VOC flame-retardant automobile bellows and a preparing method thereof |
| CN107141608A (en) * | 2017-06-23 | 2017-09-08 | 中山市点石塑胶有限公司 | Low VOC, high intensity, flame-retardant polypropylene composite material and preparation method thereof |
| CN108329578A (en) * | 2017-01-20 | 2018-07-27 | 合肥杰事杰新材料股份有限公司 | A kind of Low-odor polypropylene material and preparation method thereof |
| CN112266531A (en) * | 2020-09-24 | 2021-01-26 | 句容市百事特复合材料有限公司 | Low-odor long fiber reinforced polypropylene granule composition and preparation method thereof |
| CN112321938A (en) * | 2020-11-18 | 2021-02-05 | 太仓市华鼎塑料有限公司 | Low-emission PP material and preparation method thereof |
| CN112708211A (en) * | 2021-01-12 | 2021-04-27 | 南京宝利通新材料科技有限公司 | High-fluidity, low-odor and scratch-resistant polypropylene material special for automotive interior and preparation method thereof |
| CN115141454A (en) * | 2021-12-29 | 2022-10-04 | 道一高分子聚合物(宁波)有限公司 | Preparation method and application of high-stability composition |
| CN115716959A (en) * | 2022-11-23 | 2023-02-28 | 金旸（厦门）新材料科技有限公司 | Low-odor polypropylene-polyamide alloy material and preparation method thereof |
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| CN104262782A (en) * | 2014-09-17 | 2015-01-07 | 上海日之升新技术发展有限公司 | Ultralow-emission glass-fiber-reinforced polypropylene composite material and preparation method thereof |
| CN104262782B (en) * | 2014-09-17 | 2017-06-13 | 上海日之升新技术发展有限公司 | One kind is ultralow to distribute glass fiber reinforced polypropylene composite material and preparation method thereof |
| CN106032421A (en) * | 2015-03-11 | 2016-10-19 | 株洲时代新材料科技股份有限公司 | A low-smell low-VOC flame-retardant automobile bellows and a preparing method thereof |
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| CN105001525A (en) * | 2015-07-29 | 2015-10-28 | 博富科技股份有限公司 | Low-VOC low-odor environmental-friendly flame-resistant glass fiber reinforced PP composite material and preparation method thereof |
| CN106009271A (en) * | 2016-06-23 | 2016-10-12 | 神华集团有限责任公司 | Modified polypropylene composition and preparation method thereof |
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| CN108329578A (en) * | 2017-01-20 | 2018-07-27 | 合肥杰事杰新材料股份有限公司 | A kind of Low-odor polypropylene material and preparation method thereof |
| CN107141608A (en) * | 2017-06-23 | 2017-09-08 | 中山市点石塑胶有限公司 | Low VOC, high intensity, flame-retardant polypropylene composite material and preparation method thereof |
| CN112266531A (en) * | 2020-09-24 | 2021-01-26 | 句容市百事特复合材料有限公司 | Low-odor long fiber reinforced polypropylene granule composition and preparation method thereof |
| CN112321938A (en) * | 2020-11-18 | 2021-02-05 | 太仓市华鼎塑料有限公司 | Low-emission PP material and preparation method thereof |
| CN112708211A (en) * | 2021-01-12 | 2021-04-27 | 南京宝利通新材料科技有限公司 | High-fluidity, low-odor and scratch-resistant polypropylene material special for automotive interior and preparation method thereof |
| CN115141454A (en) * | 2021-12-29 | 2022-10-04 | 道一高分子聚合物(宁波)有限公司 | Preparation method and application of high-stability composition |
| CN115716959A (en) * | 2022-11-23 | 2023-02-28 | 金旸（厦门）新材料科技有限公司 | Low-odor polypropylene-polyamide alloy material and preparation method thereof |
| CN115716959B (en) * | 2022-11-23 | 2024-03-29 | 金旸（厦门）新材料科技有限公司 | Low-odor polypropylene-polyamide alloy material and preparation method thereof |
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