CN103739932A - High-rigidity low-warpage glass fiber reinforced polypropylene material - Google Patents
High-rigidity low-warpage glass fiber reinforced polypropylene material Download PDFInfo
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- CN103739932A CN103739932A CN201310465800.6A CN201310465800A CN103739932A CN 103739932 A CN103739932 A CN 103739932A CN 201310465800 A CN201310465800 A CN 201310465800A CN 103739932 A CN103739932 A CN 103739932A
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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
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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
- C08K2201/004—Additives being defined by their length
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a high-rigidity low-warpage glass fiber reinforced polypropylene material comprising the raw materials in parts by weight: polypropylene, short-cut glass fiber, a glass fiber powder, an inorganic filling material, a compatibilizer, a flexibilizer and an antioxidant. The related high-rigidity low-warpage glass fiber reinforced polypropylene material is compared with a reinforced polypropylene material prepared by a traditional technology, in the material injection molding process, the glass fiber orientation is significantly reduced, and the post-contraction of a product is also reduced significantly in the use process; and in the reinforced polypropylene material prepared by the traditional technology, warping and deformation phenomena generated during injection molding of large long-flow pieces are obviously improved, and the product has the characteristics of high rigidity, high heat resistance, low warpage and the like.
Description
Technical field
The present invention relates to polymeric material field, be specifically related to a kind of high-rigidity and low-warpage fiber glass reinforced polypropylene material.
Background technology
Polypropylene is a kind of general synthetic resin, is the polymkeric substance of nontoxic, odorless, the tasteless high crystallization of oyster white, and density only has 0.9-0.91 gram/cc, is one of kind the lightest in current plastics.Its water-intake rate in water is only 0.01%, easy-formation processing, but its shrinking percentage large (being 1%～2.5%), and heavy wall product, easily because contraction is caved in, compared with high product, is difficult to reach its accuracy requirement for some dimension precision requirement.
Polyacrylic degree of crystallinity is high, compound with regular structure, thereby there is good mechanical property, but still belong to kind on the low side in plastic material, its tensile strength only can reach 30MPa or slightly higher level.The polypropylene that isotactic index is larger has higher tensile strength, but with the raising of its isotactic index, the notched Izod impact strength of material declines.
Polypropylene has good thermotolerance, and can the 100 ℃ above sterilizations of goods, be not subject under the condition of external force, and 150 ℃ also indeformable.Embrittlement temperature is-35 ℃, embrittlement can occur lower than-35 ℃, and its winter hardiness is not as polyethylene.Polyacrylic chemical stability is fine, outside decapacitation is corroded by the vitriol oil, concentrated nitric acid, all more stable to other various chemical reagent, but lower molecular weight aliphatic hydrocarbon, aromatic hydrocarbon and chlorinated hydrocarbon etc. can make its softening and swelling, its chemical stability improves with the increase of degree of crystallinity, so polypropylene is suitable for making various chemical pipelines and accessory, anticorrosion ability is good.
Along with development in science and technology, the scientific research of carrying out for polyacrylic shortcoming also grows in intensity, wherein maximum is the research and development of glass fiber reinforced polypropylene composite material, fiber glass reinforced polypropylene has higher intensity and thermotolerance and dimensional stability compared with plain polypropylene, thereby be used widely, the present invention relates to a kind of high-rigidity and low-warpage fiber glass reinforced polypropylene material, there is huge market and profit margin.
Summary of the invention
The technical problem to be solved in the present invention is for existing technical deficiency, a kind of high-rigidity and low-warpage fiber glass reinforced polypropylene material is provided, in the time of can obviously improving the large-scale long flow process product of Reinforced Polypropylene material injection moulding of being prepared by conventional art, produces the shortcoming of serious warping phenomenon.
In order to solve the problems of the technologies described above, technical scheme provided by the invention is, a kind of high-rigidity and low-warpage fiber glass reinforced polypropylene material is provided, and its raw material is respectively by weight:
100 parts of polypropylene;
Chopped glass fiber 20-45 part;
Glass powder 5-15 part;
Mineral filler 5-15 part;
Compatilizer 2-8 part;
Toughner 2-5 part;
Oxidation inhibitor 0.2-1 part.
Preferably, described polyacrylic melting index 15-35g/10min.
Preferably, described chopped glass fiber is that silylation is invaded profit alkali-free chopped glass fiber, and the diameter that silylation is invaded profit alkali-free chopped glass fiber is 8-13 micron, and the short length of cutting is 3-5 millimeter.
Preferably, described glass powder is silane coupled alkali-free glass fiber powder.
Preferably, described silane coupled alkali-free glass fiber powder nominal diameter is 5-7 micron, and mean length is 30-50 micron.
Preferably, described mineral filler is one or more in process white, activated Calcium carbonate, solid glass micro-bead; Described mineral filler size distribution is D50=10 micron, D97=13 micron.
Preferably, described compatilizer is any one in maleic anhydride inoculated polypropylene, maleic anhydride grafted ethene-butylene copolymer, maleic anhydride grafted ethene-octene copolymer, glycidyl methacrylate graft ethylene-butene copolymer, glycidyl methacrylate graft ethylene-octene copolymer.
Preferably, the percentage of grafting of described maleic anhydride inoculated polypropylene is 0.6-1%, and melting index is 180-250g/10min; The percentage of grafting of described maleic anhydride grafted ethene-butylene copolymer, maleic anhydride grafted ethene-octene copolymer is 0.8-1.2%; The percentage of grafting of described glycidyl methacrylate graft ethylene-butene copolymer, glycidyl methacrylate graft ethylene-octene copolymer is 1.5-2%.
Preferably, any one or a few in described toughner ethylene-butene copolymer, ethylene-octene copolymer, ethylene-propylene based elastomeric.
Preferably, described oxidation inhibitor is that antioxidant 1010 and 168 be take the compound that 1:2.5 is ratio.
Advantage of the present invention and beneficial effect are:
The Reinforced Polypropylene that high-rigidity and low-warpage fiber glass reinforced polypropylene material involved in the present invention is prepared with conventional art is compared, material is in injection moulding process, the orientation of glass significantly reduces, goods post shrinkage in use also significantly reduces, obviously improve the buckling deformation phenomenon that Reinforced Polypropylene material prepared by conventional art produces when the large-scale long flow process product of injection moulding, there is the features such as Gao Gang, high heat-resisting, low warpage.
Embodiment
The raw material of high-rigidity and low-warpage fiber glass reinforced polypropylene material is divided into two groups of A, B, produces as follows.A component is placed in to SHR300A type high-speed mixer, and middling speed premix, after 15 minutes, is added TSE65B type twin screw extruder.B component is placed in to above-mentioned high mixer, and low speed premix is after 5 minutes, and adds above-mentioned twin screw extruder in the side mode of feeding.Under temperature 160-210 ℃ (160 ℃, a district, 170 ℃, 2nd district, 180 ℃, 3rd district, 190 ℃, 4th district, 200 ℃, 5th district, 210 ℃, 6th district, 210 ℃, 7th district, 210 ℃, 8th district, 200 ℃, 9th district, 195 ℃ of heads), through melt extruding, cooling, granulation.Concrete component embodiment is below provided
Embodiment 1
By weight, in the present embodiment, each component of the starting material of high-rigidity and low-warpage fiber glass reinforced polypropylene material is as shown in table 1.
Table 1:
。
The present embodiment gained sample is tested to socle girder notched Izod impact strength, ASTM D790 tested for flexural modulus, ASTM D638 test tensile strength according to ASTM D256-2010.By the containing box of invention described material injection moulding growth 300mm, wide 200mm, high 50mm, thick 4mm, after room temperature is placed one week, estimate the buckling deformation situation of its junction, lid/end.Test result is in Table 7.
Embodiment 2
By weight, in the present embodiment, each component of the starting material of high-rigidity and low-warpage fiber glass reinforced polypropylene material is as shown in table 2.
Table 2:
。
The present embodiment gained sample is tested to socle girder notched Izod impact strength, ASTM D790 tested for flexural modulus, ASTM D638 test tensile strength according to ASTM D256-2010.By the containing box of invention described material injection moulding growth 300mm, wide 200mm, high 50mm, thick 4mm, after room temperature is placed one week, estimate the buckling deformation situation of its junction, lid/end.Test result is in Table 7.
Embodiment 3
By weight, in the present embodiment, each component of the starting material of high-rigidity and low-warpage fiber glass reinforced polypropylene material is as shown in table 3.
Table 3:
。
The present embodiment gained sample is tested to socle girder notched Izod impact strength, ASTM D790 tested for flexural modulus, ASTM D638 test tensile strength according to ASTM D256-2010.By the containing box of invention described material injection moulding growth 300mm, wide 200mm, high 50mm, thick 4mm, after room temperature is placed one week, estimate the buckling deformation situation of its junction, lid/end.Test result is in Table 7.
Embodiment 4
By weight, in the present embodiment, each component of the starting material of high-rigidity and low-warpage fiber glass reinforced polypropylene material is as shown in table 4.
Table 4:
。
The present embodiment gained sample is tested to socle girder notched Izod impact strength, ASTM D790 tested for flexural modulus, ASTM D638 test tensile strength according to ASTM D256-2010.By the containing box of invention described material injection moulding growth 300mm, wide 200mm, high 50mm, thick 4mm, after room temperature is placed one week, estimate the buckling deformation situation of its junction, lid/end.Test result is in Table 7.
For the performance of high-rigidity and low-warpage fiber glass reinforced polypropylene material of the present invention is clearly described, contriver uses identical preparation condition to prepare conventional products in contrast.
Comparative example 1
By weight, each component of its raw material is as shown in table 5.
Table 5:
| Material name | Weight part |
| Polypropylene 140 powder | 100 |
| Maleic anhydride inoculated polypropylene | 6 |
| POE?8150 | 5 |
| Antioxidant 1010 | 0.1 |
| Irgasfos 168 | 0.25 |
| Roving glass fiber | 30 |
。
Polypropylene, compatilizer, toughner, oxidation inhibitor are placed in to above-mentioned high-speed mixer, and middling speed premix, after 15 minutes, adds above-mentioned twin screw extruder; From natural venting port, add roving glass fiber; Under temperature 160-210 ℃ (160 ℃, a district, 170 ℃, 2nd district, 180 ℃, 3rd district, 190 ℃, 4th district, 200 ℃, 5th district, 210 ℃, 6th district, 210 ℃, 7th district, 210 ℃, 8th district, 200 ℃, 9th district, 195 ℃ of heads), through melt extruding, cooling, granulation.
Gained sample is tested to socle girder notched Izod impact strength, ASTM D790 tested for flexural modulus, ASTM D638 test tensile strength according to ASTM D256-2010.By the containing box of invention described material injection moulding growth 300mm, wide 200mm, high 50mm, thick 4mm, after room temperature is placed one week, estimate the buckling deformation situation of its junction, lid/end.Test result is in Table 7.
Comparative example 2
By weight, each component of its raw material is as shown in table 6.
Table 6:
| Material name | Weight part |
| Polypropylene K7726 | 100 |
| Maleic anhydride grafted ethene-butylene copolymer | 3 |
| POE?LC175 | 3 |
| Antioxidant 1010 | 0.1 |
| Irgasfos 168 | 0.25 |
| Short glass fiber | 30 |
。
Polypropylene, compatilizer, toughner, oxidation inhibitor, short glass fiber are placed in to above-mentioned high-speed mixer, and middling speed premix, after 15 minutes, adds above-mentioned twin screw extruder; Under temperature 160-210 ℃ (160 ℃, a district, 170 ℃, 2nd district, 180 ℃, 3rd district, 190 ℃, 4th district, 200 ℃, 5th district, 210 ℃, 6th district, 210 ℃, 7th district, 210 ℃, 8th district, 200 ℃, 9th district, 195 ℃ of heads), through melt extruding, cooling, granulation.
Gained sample is tested to socle girder notched Izod impact strength, ASTM D790 tested for flexural modulus, ASTM D638 test tensile strength according to ASTM D256-2010.By the containing box of invention described material injection moulding growth 300mm, wide 200mm, high 50mm, thick 4mm, after room temperature is placed one week, estimate the buckling deformation situation of its junction, lid/end.Test result is in Table 7.
Table 7:
。
Below be only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred implementation should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a high-rigidity and low-warpage fiber glass reinforced polypropylene material, is characterized in that: its raw material is respectively by weight:
100 parts of polypropylene;
Chopped glass fiber 20-45 part;
Glass powder 5-15 part;
Mineral filler 5-15 part;
Compatilizer 2-8 part;
Toughner 2-5 part;
Oxidation inhibitor 0.2-1 part.
2. high-rigidity and low-warpage fiber glass reinforced polypropylene material according to claim 1, is characterized in that: described polyacrylic melting index 15-35g/10min.
3. high-rigidity and low-warpage fiber glass reinforced polypropylene material according to claim 1, is characterized in that: described chopped glass fiber is that silylation is invaded profit alkali-free chopped glass fiber, and its diameter is 8-13 micron, and the short length of cutting is 3-5 millimeter.
4. high-rigidity and low-warpage fiber glass reinforced polypropylene material according to claim 1, is characterized in that: described glass powder is silane coupled alkali-free glass fiber powder.
5. high-rigidity and low-warpage fiber glass reinforced polypropylene material according to claim 1, is characterized in that: described silane coupled alkali-free glass fiber powder nominal diameter is 5-7 micron, and mean length is 30-50 micron.
6. high-rigidity and low-warpage fiber glass reinforced polypropylene material according to claim 1, is characterized in that: described mineral filler is one or more in process white, activated Calcium carbonate, solid glass micro-bead; Described mineral filler size distribution is D50=10 micron, D97=13 micron.
7. high-rigidity and low-warpage fiber glass reinforced polypropylene material according to claim 1, is characterized in that: described compatilizer is any one in maleic anhydride inoculated polypropylene, maleic anhydride grafted ethene-butylene copolymer, maleic anhydride grafted ethene-octene copolymer, glycidyl methacrylate graft ethylene-butene copolymer, glycidyl methacrylate graft ethylene-octene copolymer.
8. high-rigidity and low-warpage fiber glass reinforced polypropylene material according to claim 7, is characterized in that: the percentage of grafting of described maleic anhydride inoculated polypropylene is 0.6-1%, and melting index is 180-250g/10min; The percentage of grafting of described maleic anhydride grafted ethene-butylene copolymer, maleic anhydride grafted ethene-octene copolymer is 0.8-1.2%; The percentage of grafting of described glycidyl methacrylate graft ethylene-butene copolymer, glycidyl methacrylate graft ethylene-octene copolymer is 1.5-2%.
9. high-rigidity and low-warpage fiber glass reinforced polypropylene material according to claim 1, is characterized in that: any one or a few in described toughner ethylene-butene copolymer, ethylene-octene copolymer, ethylene-propylene based elastomeric.
10. high-rigidity and low-warpage fiber glass reinforced polypropylene material according to claim 1, is characterized in that: described oxidation inhibitor is that antioxidant 1010 and 168 be take the compound that 1:2.5 is ratio.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530573A (en) * | 2014-12-24 | 2015-04-22 | 金发科技股份有限公司 | Low-gloss low-warpage soft-touch-feeling vehicle polypropylene composition as well as preparation method and application thereof |
| CN104910517A (en) * | 2015-06-15 | 2015-09-16 | 上海俊尓新材料有限公司 | Bimodally-distributed glass fiber reinforced polypropylene composite material and preparation method thereof |
| CN105623210A (en) * | 2014-08-08 | 2016-06-01 | 深圳市联创科技集团有限公司 | High-rigidity and low-warpage biodegradable polylactic acid engineering plastic and preparation method and application thereof |
| CN106479057A (en) * | 2016-11-08 | 2017-03-08 | 中钢集团马鞍山矿山研究院有限公司 | A kind of low-density and high-strength modified polypropylene material and production method |
| CN107118437A (en) * | 2017-05-18 | 2017-09-01 | 中广核俊尔新材料有限公司 | Lower shrinkage, Long Glass Fiber Reinforced PP Composite of low warpage and its preparation method and application |
| CN109776972A (en) * | 2018-12-29 | 2019-05-21 | 海南鑫申绿色建筑科技有限公司 | A kind of extruded material and preparation method thereof |
| CN110885495A (en) * | 2019-12-13 | 2020-03-17 | 天津金发新材料有限公司 | Low-emission low-warpage glass fiber reinforced polypropylene composite material and preparation method thereof |
-
2013
- 2013-10-08 CN CN201310465800.6A patent/CN103739932A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105623210A (en) * | 2014-08-08 | 2016-06-01 | 深圳市联创科技集团有限公司 | High-rigidity and low-warpage biodegradable polylactic acid engineering plastic and preparation method and application thereof |
| CN104530573A (en) * | 2014-12-24 | 2015-04-22 | 金发科技股份有限公司 | Low-gloss low-warpage soft-touch-feeling vehicle polypropylene composition as well as preparation method and application thereof |
| CN104910517A (en) * | 2015-06-15 | 2015-09-16 | 上海俊尓新材料有限公司 | Bimodally-distributed glass fiber reinforced polypropylene composite material and preparation method thereof |
| CN106479057A (en) * | 2016-11-08 | 2017-03-08 | 中钢集团马鞍山矿山研究院有限公司 | A kind of low-density and high-strength modified polypropylene material and production method |
| CN107118437A (en) * | 2017-05-18 | 2017-09-01 | 中广核俊尔新材料有限公司 | Lower shrinkage, Long Glass Fiber Reinforced PP Composite of low warpage and its preparation method and application |
| CN107118437B (en) * | 2017-05-18 | 2019-08-13 | 中广核俊尔新材料有限公司 | Lower shrinkage, Long Glass Fiber Reinforced PP Composite of low warpage and its preparation method and application |
| CN109776972A (en) * | 2018-12-29 | 2019-05-21 | 海南鑫申绿色建筑科技有限公司 | A kind of extruded material and preparation method thereof |
| CN110885495A (en) * | 2019-12-13 | 2020-03-17 | 天津金发新材料有限公司 | Low-emission low-warpage glass fiber reinforced polypropylene composite material and preparation method thereof |
| CN110885495B (en) * | 2019-12-13 | 2022-06-14 | 天津金发新材料有限公司 | Low-emission low-warpage glass fiber reinforced polypropylene composite material and preparation method thereof |
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