CN1211591A - Inorganic filler-toughened and-reinforced polypropylene composite and its preparation method - Google Patents
Inorganic filler-toughened and-reinforced polypropylene composite and its preparation method Download PDFInfo
- Publication number
- CN1211591A CN1211591A CN 98113283 CN98113283A CN1211591A CN 1211591 A CN1211591 A CN 1211591A CN 98113283 CN98113283 CN 98113283 CN 98113283 A CN98113283 A CN 98113283A CN 1211591 A CN1211591 A CN 1211591A
- Authority
- CN
- China
- Prior art keywords
- coupling agent
- filler
- resin
- polypropylene
- mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
本发明涉及一种采用无机填料填充的兼具良好韧性和刚性的聚丙烯复合物及其制备方法。本发明采用沉淀硫酸钡与其它无机填料构成复合填料,其表面以硅烷偶联剂和其它偶联剂予以分步处理后,与聚丙烯树脂复合起到既增韧又增强的作用。该聚丙烯复合物既有显著的韧性,又有良好的刚性;还可成为兼具高流动性和高韧性,或者具有高韧性的高填充聚丙烯复合物。The invention relates to a polypropylene compound with good toughness and rigidity filled with inorganic filler and a preparation method thereof. The present invention adopts precipitated barium sulfate and other inorganic fillers to form composite fillers, the surface of which is treated step by step with silane coupling agent and other coupling agents, and then compounded with polypropylene resin to play the role of toughening and strengthening. The polypropylene compound has both remarkable toughness and good rigidity; it can also be a highly filled polypropylene compound with both high fluidity and high toughness, or high toughness.
Description
The present invention relates to a kind of adopt Inorganic Fillers Filled have excellent toughness and inflexible polypropylene composite and preparation method thereof concurrently.
The toughness reinforcing common employing of polymkeric substance is with polymkeric substance and elastomer blended method, and its shortcoming is in toughness reinforcing, and the rigidity of material significantly descends.The compound rigidity that improves of polymkeric substance and filler, but the toughness of material is descended.On the other hand, the molecular weight of polymkeric substance has very big influence to toughness, and along with the decline of molecular weight, toughness significantly reduces, and therefore is difficult to obtain having concurrently the material of high workability and high tenacity.
The purpose of this invention is to provide a kind of existing remarkable toughening effect, can keep Inorganic Fillers Filled polypropylene composite of good rigidity or high workability and preparation method thereof again.
Polypropylene composite of the present invention contains polypropylene, mineral filler and coupling agent.Mineral filler wherein is the compounded mix that process white and other mineral filler are constituted; Coupling agent comprises silane coupling agent and other coupling agent.
Said other mineral filler can be one or more in lime carbonate, talcum powder, mica, wollastonite, kaolin, aluminium hydroxide, the magnesium hydroxide; Said other coupling agent can be one or more in stearic acid and its esters, titanate ester, the aluminium esters of gallic acid coupling agent.
The ratio of process white and other mineral filler is generally 3: 7～9: 1 (wt) in the said compounded mix.When other mineral filler surpasses when a kind of, can arbitrary proportion between them.The ratio of silane coupling agent and other coupling agent is generally 4: 6～8: 2 (wt) in the said coupling agent.When other coupling agent surpasses when a kind of, can be arbitrary proportion between them.
Also can contain polypropylene other resin in addition in the mixture of the present invention, with further increase toughness.These other resins comprise high density polyethylene(HDPE) (HDPE), new LDPE (film grade) (LDPE), linear low density polyethylene (LLDPE) or polystyrene (PS).
Polypropylene in the mixture of the present invention (PP) can be the homopolymer of propylene or the multipolymer of propylene and ethene.
The amount of the contained composition of mixture of the present invention is by weight percentage: polypropylene 10～95 (being preferably 60～90); Other resin 0～20; Filler adds coupling agent 5～90 (being preferably 10～40), and wherein the amount of coupling agent is that 0.5～2%wt of amount of filler (is preferably 1～2%wt); The total amount of polypropylene and other resin is no more than 95 (preferably being no more than 90).
The preparation method of mixture of the present invention is: earlier surface treatment being carried out in mineral filler, specifically is that compound inorganic stuffing is heated to 90～130 ℃, adds silane coupling agent earlier, and high-speed stirring 2～5 minutes adds other coupling agent again, continues to stir 2～5 minutes; Then surface treated filler and resin one being reinstated common process and equipment (as twin screw extruder, single screw extrusion machine, Banbury mixer or two roller mills etc.) mediates, extrudes and make required toughness reinforcing, Reinforced Polypropylene mixture.
Can be that carrier is made filling master batch with the part resin earlier with surface treated mineral filler, make required mixture with remaining resin again.
According to above-mentioned preparation method, also can when filler and resin compounded, add an amount of superoxide, can improve the flowability of product like this.The add-on of superoxide can be determined routinely according to the mobile property of required mixture.Used superoxide can be benzoyl peroxide, dicumyl peroxide (DCP), di-t-butyl peroxide or tertbutyl peroxide.
Mixture of the present invention is because its filler is the compounded mix that process white and other mineral filler constitute, and handle through doing the surface step by step with silane coupling agent and other coupling agent, wherein two or more fillers and two or more coupling agents produce synergistic function, polyacrylic toughness is significantly improved, and rigidity also increase simultaneously.So mixture of the present invention can have good toughness and rigidity simultaneously concurrently.
Mixture of the present invention also can become and has high workability and high tenacity concurrently, perhaps has the high filled polypropylene mixture of high tenacity.In addition, the product surface smooth finish made from mixture of the present invention is good, can be used for making various electric appliance casings, auto parts etc.
Below by embodiment mixture of the present invention and positively effect thereof are described further.
Except that commercially produced product, all adopt following prepared in embodiment that is provided and the comparative example:
Filler: do the surface by method noted earlier and handle;
Equipment: engagement type twin screw extruder in the same way, screw diameter 35mm, 28, six sections heating of length-to-diameter ratio;
Processing condition: first section and the 6th section Heating temperature are 200 ± 10 ℃, 230 ± 10 ℃ of other each sections, 100 rev/mins of screw speeds.
Below respectively showing listed is the proportioning components (wt) and the performance comparison of part embodiment of the present invention and comparative example.Except that table 1-1, the embodiment that contains filler in other each table and comparative example all adopt with show 1-1 in the identical coupling agent of embodiment 2.
Table 1-1 and 1-2 explanation adopt silane with other coupling agent and by the inventive method filler to be carried out step-by-step processing, can make filler bring into play toughening effect preferably.
Show 2-1 and 2-1 explanation employing compounded mix (embodiment 2 to 4) and have more significant toughening effect than the single filler of employing (comparative example 5 to 6), and the loading level increase, toughness also increases, and meanwhile the rigidity of material does not have decline, even also has raising.
Do not have single talcum powder remarkable although the rigidity after table 2-3 and 2-4 explanation compounded mix are filled improves, the latter makes loss in toughness too big, and the compounded mix system has good rigidity/flexible balance, can obtain to have concurrently excellent toughness and inflexible material.
Table 3-1 and 3-2 illustrate that other resin is to effect of material performance.Add other an amount of resin such as HDPE or LDPE and can further improve toughness, but rigidity is low slightly.
Table 4-1 and 4-2 are that mixture of the present invention compares with existing some business-like resin dedicated performance.The result shows that under similar melt flow rate (MFR) and flexible situation, mixture of the present invention has rigidity preferably.Under similar melt flow rate (MFR) and inflexible situation, mixture of the present invention has toughness preferably.Also explanation adding superoxide can obviously improve the flowability of material simultaneously, though toughness of material is descended to some extent, but still reach higher level (embodiment 12,13), can yet be regarded as has the material of high workability and high tenacity concurrently.Table 1-1
| Numbering | PP1 (part) | ????Mg(OH) 2(part) | BaSO 4(part) | Silane * | Titanic acid ester * | The aluminic acid ester * | |
| 1-1 | Comparative example 1 | ????100 | |||||
| 1-2 | Comparative example 2 | ????80 | ????5 | ????10 | ????1 | ||
| 1-3 | Comparative example 3 | ????80 | ????5 | ????10 | ????1 | ||
| ?1-4 | Comparative example 4 | ????80 | ????5 | ????10 | ????1 | ||
| ?1-5 | Embodiment 1 | ????80 | ????5 | ????10 | ????0.5 | ????0.5 | |
| ?1-6 | Embodiment 2 | ????80 | ????5 | ????10 | ????0.5 | ????0.5 |
*The amount of coupling agent is the %wt of filler total amount.Table 1-2
Table 2-1
Table 2-2
Table 2-3
Table 2-4
Table 3-1
Table 3-2
Table 4-1
| Project | Unit | 1-1 | ?1-2 | ?1-3 | ?1-4 | ?1-5 | ?1-6 |
| Melt flow rate (MFR) | g/10min | 3.5 | ?4.12 | ?4.16 | ?4.21 | ?4.28 | ?4.14 |
| Stretching yield stress | MPa | 29.5 | ?27.2 | ?27.8 | ?26.9 | ?27.2 | ?28.2 |
| Izod notched Izod impact strength (+23 ℃) | J/m | 121 | ?137 | ?118 | ?117 | ?284 | ?270 |
| Modulus in flexure | Mpa | 1300 | ?1350 | ?1310 | ?1325 | ?1380 | ?1410 |
| Numbering | PP1 (part) | Mg(OH) 2(part) | BaSO 4(part) | |
| 2-1 | Comparative example 1 | ????100 | ||
| 2-2 | Comparative example 5 | ????85 | ????15 | |
| 2-3 | Comparative example 6 | ????85 | ????15 | |
| 2-4 | Embodiment 2 | ????85 | ????5 | ????10 |
| 2-5 | Embodiment 3 | ????80 | ????5 | ????15 |
| 2-6 | Embodiment 4 | ????70 | ????5 | ????25 |
| Project | Unit | 2-1 | ?2-2 | ?2-3 | ?2-4 | ?2-5 | ?2-6 |
| Density | g/cm 3 | 0.90 | ?0.97 | ?0.98 | ?0.98 | ?1.04 | ?1.16 |
| Melt flow rate (MFR) | g/10min | 3.5 | ?3.98 | ?4.16 | ?4.14 | ?4.14 | ?4.22 |
| Stretching yield stress | ?MPa | 29.5 | ?28.5 | ?28.1 | ?28.2 | ?27.8 | ?26.9 |
| Izod notched Izod impact strength (+23 ℃) | J/m | 121 | ?96 | ?134 | ?270 | ?357 | ?458 |
| Modulus in flexure | MPa | 1300 | ?1345 | ?1325 | ?1350 | ?1410 | ?1550 |
| Numbering | PP1 (part) | BaSO 4(part) | Talcum powder (part) | |
| 3-1 | Comparative example 7 | ????90 | ????10 | |
| 3-2 | Comparative example 8 | ????80 | ????20 | |
| 3-3 | Comparative example 9 | ????70 | ????30 | |
| 3-4 | Embodiment 5 | ????90 | ????5 | ????5 |
| 3-5 | Embodiment 6 | ????80 | ????10 | ????10 |
| 3-6 | Embodiment 7 | ????70 | ????15 | ????15 |
| Project | Unit | ?3-1 | ?3-2 | ?3-3 | ?3-4 | ?3-5 | ?3-6 |
| Stretching yield stress | MPa | ?27.8 | ?26.4 | ?25.3 | ?28.5 | ?26.8 | ?25.2 |
| Izod notched Izod impact strength (+23 ℃) | J/m | ?95 | ?56 | ?35 | ?151 | ?158 | ?170 |
| Modulus in flexure | MPa | ?1550 | ?1760 | ?2050 | ?1320 | ?1540 | ?1650 |
| Numbering | PP1 (part) | HDPE (part) | LDPE (part) | Mg(OH) 2(part) | BaSO 4(part) | |
| 4-1 | Comparative example 10 | ????100 | ||||
| 4-2 | Comparative example 11 | ????100 | ||||
| 4-3 | Embodiment 3 | ????80 | ????5 | ????15 | ||
| 4-4 | Embodiment 8 | ????80 | ????10 | ????5 | ????15 | |
| 4-5 | Embodiment 9 | ????80 | ????20 | ????5 | ????15 | |
| 4-6 | Embodiment 10 | ????80 | ????10 | ????5 | ????15 | |
| 4-7 | Embodiment 11 | ????80 | ????20 | ????5 | ????15 |
| Project | Unit | ????4-1 | ????4-2 | ????4-3 | ????4-4 | ????4-5 | ????4-6 | ????4-7 |
| Melt flow rate (MFR) | g/10min | ????0.1 | ????2.0 | ????4.14 | ????2.84 | ????2.14 | ????3.22 | ????2.95 |
| Stretching yield stress | MPa | ????23.0 | ????14.5 | ????27.8 | ????27.3 | ????26.8 | ????26.1 | ????25.3 |
| Izod notched Izod impact strength (+23 ℃) | J/m | ????325 | ????/ | ????357 | ????380 | ????410 | ????372 | ????395 |
| Modulus in flexure | MPa | ????/ | ????1410 | ????1300 | ????1270 | ????1280 | ????1250 |
| Numbering | PP1 (part) | PP2 (part) | PP3 (part) | PP4 (part) | PP5 (part) | BaSO 4(part) | Mg(OH) 2(part) | DCP (part) | |
| 5-1 | Comparative example 12 | ?100 | |||||||
| 5-2 | Comparative example 13 | ?100 | |||||||
| 5-3 | Comparative example 14 | ????100 | |||||||
| 5-4 | Comparative example 15 | ????100 | |||||||
| 5-5 | Embodiment 4 | ????70 | ????25 | ????5 | |||||
| 5-6 | Embodiment 12 | ????70 | ????25 | ????15 | ????0.25 | ||||
| 5-7 | Embodiment 13 | ????70 | ????25 | ????5 | ????0.55 |
PP2:Himont 8501, and the superhigh tenacity polypropylene copolymer is used to produce trolley part.
PP3:Himont EPC30R, polypropylene copolymer is used to produce houseware.
PP4:Himont 8301, superhigh tenacity, and the high-flowability polypropylene multipolymer is used to produce bumper.
PP5:Himont EPF30R, the high-flowability polypropylene multipolymer is used to produce the thin-walled package product.
(drawing from " synthetic resins service guide " Sinopec press, 1997) table 4-2
| Project | Unit | ???5-1 | ?5-2 | ?5-3 | ?5-4 | ?5-5 | ?5-6 | ?5-7 |
| Melt flow rate (MFR) | g/10min | ???4.0 | ?7.0 | ?13 | ?13 | ?4.22 | ?6.84 | ?13.5 |
| Stretching yield stress | MPa | ???22.0 | ?29.0 | ?19.0 | ?29.0 | ?26.9 | ?27.5 | ?25.6 |
| Izod notched Izod impact strength (+23 ℃) | J/m | ???450 | ?95 | ?390 | ?85 | ?458 | ?385 | ?353 |
| Modulus in flexure | MPa | ???1100 | ?1400 | ?1150 | ?1450 | ?1550 | ?1500 | ?1430 |
Claims (10)
1. inorganic filler-toughened, a Reinforced Polypropylene mixture contains polypropylene, mineral filler and coupling agent; It is characterized in that said mineral filler is the compounded mix that process white and other mineral filler are constituted; Said coupling agent is silane coupling agent and other coupling agent.
2. according to the described mixture of claim 1, it is characterized in that said other mineral filler is one or more in lime carbonate, talcum powder, mica, wollastonite, kaolin, aluminium hydroxide, the magnesium hydroxide; Said other coupling agent is one or more in stearic acid and its esters, titanate ester, the aluminium esters of gallic acid coupling agent.
3. according to the described mixture of claim 1, it is characterized in that also containing polypropylene other resin in addition.
4. according to the described mixture of claim 3, it is characterized in that said other resin is high density polyethylene(HDPE), new LDPE (film grade), linear low density polyethylene or polystyrene.
5. according to claim 1,2 or 3 described mixtures, it is characterized in that the amount of contained composition is by weight percentage: polypropylene 10～95; Other resin 0～20; Filler and coupling agent sum 5～90, wherein the amount of coupling agent is 0.5～2%wt of amount of filler.
6. according to the described mixture of claim 5, it is characterized in that the amount of contained composition is by weight percentage: polypropylene 60～90; Other resin 0～20; Filler adds coupling agent 10～40, and wherein the amount of coupling agent is 1～2%wt of amount of filler.
7. the method for preparing the described polypropylene composite of claim 1 is characterized in that earlier surface treatment being carried out in mineral filler, specifically is that compound inorganic stuffing is heated to 90～130 ℃, add silane coupling agent earlier, high-speed stirring 2～5 minutes adds other coupling agent again, continues to stir 2～5 minutes; Then with surface treated filler and resin one is reinstated common process and equipment is mediated, extruded and make required toughness reinforcing, Reinforced Polypropylene mixture.
8. in accordance with the method for claim 7, it is characterized in that mineral filler after surface treatment, is that carrier is made filling master batch with the part resin earlier, makes required mixture with remaining resin again.
9. according to claim 7 or 8 described methods, it is characterized in that when filler and resin compounded, adding superoxide.
10. in accordance with the method for claim 9, it is characterized in that said superoxide is benzoyl peroxide, dicumyl peroxide, di-t-butyl peroxide or tertbutyl peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98113283A CN1072244C (en) | 1998-07-16 | 1998-07-16 | Inorganic filler-toughened and-reinforced polypropylene composite and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98113283A CN1072244C (en) | 1998-07-16 | 1998-07-16 | Inorganic filler-toughened and-reinforced polypropylene composite and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1211591A true CN1211591A (en) | 1999-03-24 |
| CN1072244C CN1072244C (en) | 2001-10-03 |
Family
ID=5223031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98113283A Expired - Fee Related CN1072244C (en) | 1998-07-16 | 1998-07-16 | Inorganic filler-toughened and-reinforced polypropylene composite and its preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1072244C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351302C (en) * | 2005-08-05 | 2007-11-28 | 海城市金昌科技开发有限公司 | Transparent non weight increasing inorganic powder mother material |
| CN101921430A (en) * | 2010-08-18 | 2010-12-22 | 苏州奔腾塑业有限公司 | Mineral filled polypropylene with high strength and high impact resistance and preparation method thereof |
| CN101205332B (en) * | 2006-12-20 | 2011-01-05 | 上海日之升新技术发展有限公司 | High-gloss nano barium sulfate reinforced polypropylene resin composition |
| CN102558915A (en) * | 2010-12-30 | 2012-07-11 | 上海宝利纳材料科技有限公司 | Modified talcum powder and preparation method and application thereof |
| CN102020805B (en) * | 2009-09-10 | 2012-07-18 | 中国石油化工股份有限公司 | Polypropylene resin composition and preparation method thereof |
| CN102803401A (en) * | 2009-06-23 | 2012-11-28 | Omya发展股份公司 | Process for the manufacture of surface-treated compact materials processable by single-screw plastic converting equipment |
| CN102816378A (en) * | 2012-01-15 | 2012-12-12 | 杭州宏升塑胶有限公司 | Barium sulfate reinforced polypropylene sound insulation composite material |
| CN103374162A (en) * | 2012-04-18 | 2013-10-30 | 建德市嘉和新型材料有限公司 | Toughening and rigidity-improving difunctional filling master batch and preparation method thereof |
| CN108219290A (en) * | 2017-12-30 | 2018-06-29 | 武汉理工大学 | A kind of high impact properties PP composite material and preparation method thereof |
| CN111826000A (en) * | 2020-07-22 | 2020-10-27 | 江西广源化工有限责任公司 | High-specific-gravity reinforced composite powder filler and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100432132C (en) * | 2005-06-03 | 2008-11-12 | 上海林达塑胶化工有限公司 | Transparent film mother material and its preparation process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5964649A (en) * | 1982-10-04 | 1984-04-12 | Matsushita Electric Works Ltd | Rubber sheet |
| JPH04139218A (en) * | 1990-10-01 | 1992-05-13 | Miki Funtai Kogyo Kk | Thermoplastic resin molding material |
-
1998
- 1998-07-16 CN CN98113283A patent/CN1072244C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100351302C (en) * | 2005-08-05 | 2007-11-28 | 海城市金昌科技开发有限公司 | Transparent non weight increasing inorganic powder mother material |
| CN101205332B (en) * | 2006-12-20 | 2011-01-05 | 上海日之升新技术发展有限公司 | High-gloss nano barium sulfate reinforced polypropylene resin composition |
| CN102803401A (en) * | 2009-06-23 | 2012-11-28 | Omya发展股份公司 | Process for the manufacture of surface-treated compact materials processable by single-screw plastic converting equipment |
| CN102020805B (en) * | 2009-09-10 | 2012-07-18 | 中国石油化工股份有限公司 | Polypropylene resin composition and preparation method thereof |
| CN101921430A (en) * | 2010-08-18 | 2010-12-22 | 苏州奔腾塑业有限公司 | Mineral filled polypropylene with high strength and high impact resistance and preparation method thereof |
| CN102558915A (en) * | 2010-12-30 | 2012-07-11 | 上海宝利纳材料科技有限公司 | Modified talcum powder and preparation method and application thereof |
| CN102816378A (en) * | 2012-01-15 | 2012-12-12 | 杭州宏升塑胶有限公司 | Barium sulfate reinforced polypropylene sound insulation composite material |
| CN103374162A (en) * | 2012-04-18 | 2013-10-30 | 建德市嘉和新型材料有限公司 | Toughening and rigidity-improving difunctional filling master batch and preparation method thereof |
| CN103374162B (en) * | 2012-04-18 | 2015-08-05 | 杭州嘉和材料科技有限公司 | Toughness reinforcing, increase firm difunctional filler parent granule and preparation method thereof |
| CN108219290A (en) * | 2017-12-30 | 2018-06-29 | 武汉理工大学 | A kind of high impact properties PP composite material and preparation method thereof |
| CN111826000A (en) * | 2020-07-22 | 2020-10-27 | 江西广源化工有限责任公司 | High-specific-gravity reinforced composite powder filler and preparation method thereof |
| CN111826000B (en) * | 2020-07-22 | 2021-10-08 | 江西广源化工有限责任公司 | High-specific-gravity reinforced composite powder filler and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1072244C (en) | 2001-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1156787A (en) | Polybutylene modified masterbatches for impact resistant polypropylene | |
| CA1180836A (en) | Polyolefin composition | |
| US5874176A (en) | Resin composite containing polyamide matrix and polyolefine grains dispersed therein | |
| DE10152099B4 (en) | Polypropylene resin composition | |
| CA1340094C (en) | High-melt-flow fiber-reinforced propylene polymer | |
| US4847317A (en) | Filled thermoplastic polymer compositions | |
| CN1072244C (en) | Inorganic filler-toughened and-reinforced polypropylene composite and its preparation method | |
| EP0915134B1 (en) | Thermoplastic elastomer with high resistance, elasticity and good paintability and high impact resistant polymer blends prepared therefrom | |
| CN102108175A (en) | Low-gloss high-rigidity polypropylene compound material and preparation method thereof | |
| CN111117075A (en) | Wear-resistant, noise-reducing and thin-walled polypropylene composite material and preparation method thereof | |
| DE19934377C2 (en) | Process for the production of polyester-reinforced polypropylene compounds according to a specified recipe | |
| CN102276922A (en) | Polypropylene composition with low linear expansion coefficient and preparation method thereof | |
| CN113817270A (en) | Polypropylene composite material and preparation method thereof | |
| CN111004430B (en) | High-rigidity composite resin composition having excellent touch and heat resistance, and molded article produced from same | |
| KR20170084466A (en) | Propylene ethylene block copolymer resin composition with excellent impact strength at low temperature | |
| US7053154B2 (en) | Impact modified polyolefin compositions | |
| CN111138754A (en) | High-fluidity and high-rigidity alloy composite material and preparation method thereof | |
| KR100506756B1 (en) | Composition for automobile interior materials with a high scratch-resistance | |
| CN1380352A (en) | Hybrid nano inoganic particle modified polypropylene and its preparation method | |
| JP3344785B2 (en) | Polyolefin resin composition and method for producing the same | |
| KR20180103573A (en) | Polypropylene resin composition and molded product thereof | |
| KR100620356B1 (en) | Polypropylene resin composition with excellent flowability, rigidity and dimensional stability | |
| DE69122213T2 (en) | Thermoplastic resin composition | |
| JP2616877B2 (en) | Organic fiber-based propylene resin composition | |
| KR100345786B1 (en) | Polypropylene resin composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1051717 Country of ref document: HK |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |