CN105440439A - Low-smell and high-rigidity mica powder filled polypropylene material and preparation method thereof - Google Patents
Low-smell and high-rigidity mica powder filled polypropylene material and preparation method thereof Download PDFInfo
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- CN105440439A CN105440439A CN201510926938.0A CN201510926938A CN105440439A CN 105440439 A CN105440439 A CN 105440439A CN 201510926938 A CN201510926938 A CN 201510926938A CN 105440439 A CN105440439 A CN 105440439A
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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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- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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 provides a low-smell and high-rigidity mica powder filled polypropylene material and a preparation method thereof. The low-smell and high-rigidity mica powder filled polypropylene material is prepared from 40-70 parts by weight of high-rigidity polypropylene, 25-55 parts by weight of mica powder, 5-20 parts by weight of a compatilizer, 2-5 parts by weight of a smell adsorbent, 0.1-1 part by weight of a coupling agent, 1-2 parts by weight of color master batches, 0.2-0.4 parts by weight of a main anti-oxidant and 0.2-0.4 parts by weight of an auxiliary anti-oxidant. Through use of the compatilizer and the coupling agent in the mica powder filled polypropylene system, material mechanical properties are substantially improved. Through use of the smell adsorbent in the system, under the action of physical absorption, micromolecules in the system are adsorbed so that a material smell is effectively removed.
Description
Technical field
The invention belongs to Material Field, especially relate to a kind of low smell, high rigidity mica powder filled polypropylene material and preparation method thereof.
Background technology
Mica powder is a kind of silicate of laminate structure, and structure clips by two-layer silicon-oxy tetrahedron the compound silica layer that one deck alumina octahedral forms.Cleavage is complete, and can be split into very thin sheet, thick below the 1um of reaching of sheet (can be whittled into 0.001um in theory) radius-thickness ratio is large; Mica powder belongs to monoclinic crystal, and crystal is flakey, tool satin luster (white mica is vitreous luster), pure piece of gray, white etc., radius-thickness ratio >80, proportion 2.6-2.7, hardness 2-3, full of elasticity, flexible, resistance to abrasion and wear resistance good.
The rigidity of plastics itself is very limited.The physical strength of many fillers (as talcum powder) is also very low, and mica is one of composition of grouan, and its intensity and physical strength are very large.Fill so add mica powder in plastics, reinforced effects is obvious especially.
In the production of filling polypropylene material and the course of processing, because of factors such as starting material introducing, screw rod shearing, high temperature degradations, can introduce or produce many small organic molecules, these small organic molecules easily volatilize, thus cause material to produce comparatively niff.Be particularly used in the material on passenger car, larger smell not only can make rider produce unhappy sensation, more produces larger impact to rider's health.
In order to make mica powder and polypropylene better compatible, improve the rigidity of material, often in system, add compatilizer and coupling agent, being added in of these auxiliary agents improves while the mechanical property of materials, also can in some are volatile, small-molecule substance introducing system that smell is large.Therefore find one and can solve odor problem, not affecting again mechanical property of materials method is a great research topic.
Summary of the invention
In view of this, the present invention is intended to propose a kind of low smell, high rigidity mica powder filled polypropylene material and preparation method thereof, by adding odor adsorption agent in process of production, the smell of material can be effectively reduced by the mode of physical adsorption, the rigidity of material also can be made to be maintained simultaneously.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of low smell, high rigidity mica powder filled polypropylene material, be made up of the raw material comprising following weight part:
Further, the firm polyacrylic modulus in flexure of described height is 1800MPa-2200MPa; The firm polypropylene of described height is the high just polypropylene of homopolymerization.High firm polyacrylic melt flow is 30-50g/10min, and probe temperature is 230 DEG C, and test counterweight weight is 2.16kg.
Further, described odor adsorption agent is one or more in diatomite, molecular sieve, expanded polypropylene.Wherein, diatomite adsorption hole particle diameter is 300-500 order, and molecular sieve adsorption hole particle diameter is 200-400 order, and expanded polypropylene adsorption hole particle diameter is 400-600 order.
Further, the particle diameter of described mica powder is 20 order-50 orders; Described mica powder selects not surface treated flaky mica powder.The mica powder of sheet add the mechanical property that can improve material significantly.
Further, described compatilizer is polypropylene grafted maleic anhydride (PP-g-MAH).The percentage of grafting of polypropylene grafted maleic anhydride is 0.3-1.2%, its melt flow rate (MFR) is 30-100g/10min (190 DEG C, 2.16kg), the introducing of maleic anhydride grafts, the consistency of mica powder and polypropylene material can be strengthened, thus improve the mechanical property of material.
Further, described coupling agent is silane coupling agent.Silane coupling agent is by trichlorosilane (HSiCl
3) and with unsaturated olefin addition under the catalysis of platinum chloric acid of reactive group, then obtain through ammonia solution
Further, described primary antioxidant is Hinered phenols oxygenant.Primary antioxidant can be antioxidant 1010, and its composition is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
Further, described auxiliary antioxidant is phosphite ester kind antioxidant.Auxiliary antioxidant can be irgasfos 168, and its composition is three [2.4-di-tert-butyl-phenyl] phosphorous acid ester.
Described low smell, a preparation method for high rigidity mica powder filled polypropylene material, comprise the steps:
(1) firm for height polypropylene, compatilizer, odor adsorption agent, Masterbatch, primary antioxidant, auxiliary antioxidant are put into high mixer, mixing 1-3min, obtains Preblend after mixing;
(2) mica powder and coupling agent are put into low mixed machine, mixing 1-3min, obtains mica powder after premix after mixing;
(3) Preblend is put into the main spout of twin screw extruder, add the mica powder after premix from side spout, melt extrude, granulating and drying, obtain low smell, high rigidity mica powder filled polypropylene material.
Further, one district's temperature of described twin screw extruder is 80-120 DEG C, two district's temperature are 190-210 DEG C, and three district's temperature are 210-230 DEG C, and four district's temperature are 210-230 DEG C, five district's temperature are 210-230 DEG C, six district's temperature are 210-230 DEG C, and seven district's temperature are 210-230 DEG C, and eight district's temperature are 210-230 DEG C, nine district's temperature are 210-230 DEG C, and engine speed is 250-600 rev/min; The length-to-diameter ratio of twin screw extruder is 40:1.
Relative to prior art, low smell of the present invention, high rigidity mica powder filled polypropylene material and preparation method thereof have following advantage:
(1) low smell of the present invention, high rigidity mica powder filled polypropylene material use the material such as compatilizer and coupling agent in mica powder filled polypropylene system, improve the mechanical property of material significantly.
(2) low smell of the present invention, high rigidity mica powder filled polypropylene material add odor adsorption agent in system, by physisorption, the small molecules in system are adsorbed, thus the smell of effective removing material.
(3) preparation method of low smell of the present invention, high rigidity mica powder filled polypropylene material adopts the mode that mica powder side is fed, and effectively can reduce the situation that mica powder is broken in screw rod, thus makes it better improve the rigidity of material.
Embodiment
Unless otherwise indicated, term used herein all has the implication that those skilled in the art's routine is understood, and for the ease of understanding the present invention, terms more used herein has been carried out following definitions.
All Digital IDs, such as pH, temperature, time, concentration, comprise scope, is all approximation.Understand, although not always clear and definite describe all Digital IDs before all add term " about ".Also will understand, describe although always not clear and definite, reagent described herein is only example, and its Equivalent is known in the art simultaneously.
The present invention is described in detail below in conjunction with embodiment.
Embodiment 1
A kind of low smell, high rigidity mica powder filled polypropylene material, be made up of the raw material comprising following weight part: high just polypropylene 50 parts, mica powder 41 parts, polypropylene grafted maleic anhydride 5 parts, 1 part, diatomite, 1 part, molecular sieve, silane coupling agent 0.4 part, Masterbatch 1 part, antioxidant 1010 0.3 part, irgasfos 168 0.3 part.
The preparation method of described low smell, high rigidity mica powder filled polypropylene material, comprises the steps:
(1) firm for height polypropylene, compatilizer, odor adsorption agent, Masterbatch, primary antioxidant, auxiliary antioxidant are put into high mixer, after mixing, obtain Preblend;
(2) mica powder and coupling agent are put into low mixed machine, after mixing, obtain mica powder after premix;
(3) Preblend is put into the main spout of twin screw extruder, add the mica powder after premix from side spout, district's temperature of twin screw extruder is 80 DEG C, and two district's temperature are 190 DEG C, three district's temperature are 230 DEG C, four district's temperature are 230 DEG C, and five district's temperature are 230 DEG C, and six district's temperature are 230 DEG C, seven district's temperature are 230 DEG C, eight district's temperature are 230 DEG C, and nine district's temperature are 230 DEG C, and engine speed is 550 revs/min; The length-to-diameter ratio of twin screw extruder is 40:1, melt extrudes, granulating and drying, obtains low smell, high rigidity mica powder filled polypropylene material.
Embodiment 2
A kind of low smell, high rigidity mica powder filled polypropylene material, be made up of the raw material comprising following weight part: high just polypropylene 50 parts, mica powder 41 parts, polypropylene grafted maleic anhydride 4.5 parts, 1 part, diatomite, expanded polypropylene 1.5 parts, silane coupling agent 0.4 part, Masterbatch 1 part, antioxidant 1010 0.3 part, irgasfos 168 0.3 part.
The preparation method of described low smell, high rigidity mica powder filled polypropylene material, comprises the steps:
(1) firm for height polypropylene, compatilizer, odor adsorption agent, Masterbatch, primary antioxidant, auxiliary antioxidant are put into high mixer, after mixing, obtain Preblend;
(2) mica powder and coupling agent are put into low mixed machine, after mixing, obtain mica powder after premix;
(3) Preblend is put into the main spout of twin screw extruder, add the mica powder after premix from side spout, district's temperature of twin screw extruder is 80 DEG C, and two district's temperature are 190 DEG C, three district's temperature are 230 DEG C, four district's temperature are 230 DEG C, and five district's temperature are 230 DEG C, and six district's temperature are 230 DEG C, seven district's temperature are 230 DEG C, eight district's temperature are 230 DEG C, and nine district's temperature are 230 DEG C, and engine speed is 550 revs/min; The length-to-diameter ratio of twin screw extruder is 40:1, melt extrudes, granulating and drying, obtains low smell, high rigidity mica powder filled polypropylene material.
Embodiment 3
A kind of low smell, high rigidity mica powder filled polypropylene material, be made up of the raw material comprising following weight part: high just polypropylene 49 parts, mica powder 42 parts, polypropylene grafted maleic anhydride 5 parts, 1 part, molecular sieve, expanded polypropylene 1 part, silane coupling agent 0.4 part, Masterbatch 1 part, antioxidant 1010 0.3 part, irgasfos 168 0.3 part.
The preparation method of described low smell, high rigidity mica powder filled polypropylene material, comprises the steps:
(1) firm for height polypropylene, compatilizer, odor adsorption agent, Masterbatch, primary antioxidant, auxiliary antioxidant are put into high mixer, after mixing, obtain Preblend;
(2) mica powder and coupling agent are put into low mixed machine, after mixing, obtain mica powder after premix;
(3) Preblend is put into the main spout of twin screw extruder, add the mica powder after premix from side spout, district's temperature of twin screw extruder is 80 DEG C, and two district's temperature are 190 DEG C, three district's temperature are 230 DEG C, four district's temperature are 230 DEG C, and five district's temperature are 230 DEG C, and six district's temperature are 230 DEG C, seven district's temperature are 230 DEG C, eight district's temperature are 230 DEG C, and nine district's temperature are 230 DEG C, and engine speed is 550 revs/min; The length-to-diameter ratio of twin screw extruder is 40:1, melt extrudes, granulating and drying, obtains low smell, high rigidity mica powder filled polypropylene material.
Table 1
| Project | Standard | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Tensile strength (MPa) | ISO 527 | 42.9 | 42.3 | 43.1 |
| Flexural strength (MPa) | ISO178 | 63.5 | 62.3 | 63.1 |
| Modulus in flexure (MPa) | ISO178 | 7027 | 7019 | 7102 |
| Shock strength (KJ/m 2) | ISO179 | 3.6 | 3.7 | 3.5 |
| Odor profiles (level) | PV3900 | 4.0 | 3.5 | 4.0 |
| Melting index (g/10min) | ISO1133 | 19.3 | 18.9 | 18.8 |
The test result of the low smell obtained by embodiment 1-3, high rigidity mica powder filled polypropylene material is as shown in table 1, the rigidity of material of producing through the production technique that mica powder is filling-modified and above-mentioned is increased to more than 7000MPa by 2000MPa, oder levels is down to 3.5-4.0 level by 5.5-6.0 level, improve the mechanical property of material significantly, effectively go out the smell of material.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. low smell, a high rigidity mica powder filled polypropylene material, is characterized in that: be made up of the raw material comprising following weight part:
2. low smell according to claim 1, high rigidity mica powder filled polypropylene material, is characterized in that: the firm polyacrylic modulus in flexure of described height is 1800MPa-2200MPa; The firm polypropylene of described height is the high just polypropylene of homopolymerization.
3. low smell according to claim 1 and 2, high rigidity mica powder filled polypropylene material, is characterized in that: described odor adsorption agent is one or more in diatomite, molecular sieve, expanded polypropylene.
4. low smell according to claim 1, high rigidity mica powder filled polypropylene material, is characterized in that: the particle diameter of described mica powder is 20 order-50 orders; Described mica powder selects not surface treated flaky mica powder.
5. low smell according to claim 1, high rigidity mica powder filled polypropylene material, is characterized in that: described compatilizer is polypropylene grafted maleic anhydride.
6. low smell according to claim 1, high rigidity mica powder filled polypropylene material, is characterized in that: described coupling agent is silane coupling agent.
7. low smell according to claim 1, high rigidity mica powder filled polypropylene material, is characterized in that: described primary antioxidant is Hinered phenols oxygenant.
8. low smell according to claim 1, high rigidity mica powder filled polypropylene material, is characterized in that: described auxiliary antioxidant is phosphite ester kind antioxidant.
9. the preparation method of the low smell according to any one of claim 1-8, high rigidity mica powder filled polypropylene material, is characterized in that: comprise the steps:
(1) firm for height polypropylene, compatilizer, odor adsorption agent, Masterbatch, primary antioxidant, auxiliary antioxidant are put into high mixer, mixing 1-3min, obtains Preblend after mixing;
(2) mica powder and coupling agent are put into low mixed machine, mixing 1-3min, obtains mica powder after premix after mixing;
(3) Preblend is put into the main spout of twin screw extruder, add the mica powder after premix from side spout, melt extrude, granulating and drying, obtain low smell, high rigidity mica powder filled polypropylene material.
10. the preparation method of low smell according to claim 9, high rigidity mica powder filled polypropylene material, it is characterized in that: district's temperature of described twin screw extruder is 80-120 DEG C, two district's temperature are 190-210 DEG C, three district's temperature are 210-230 DEG C, four district's temperature are 210-230 DEG C, five district's temperature are 210-230 DEG C, six district's temperature are 210-230 DEG C, seven district's temperature are 210-230 DEG C, eight district's temperature are 210-230 DEG C, nine district's temperature are 210-230 DEG C, and engine speed is 250-600 rev/min; The length-to-diameter ratio of twin screw extruder is 40:1.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832574A (en) * | 2016-12-27 | 2017-06-13 | 天津金发新材料有限公司 | Low smell low-density lower shrinkage talc powder filled polypropylene material and preparation method thereof |
| CN106832598A (en) * | 2016-12-27 | 2017-06-13 | 天津金发新材料有限公司 | A kind of resistance to stress is turned white the low linear expansion coefficient polypropylene materials of low VOC |
| CN106832573A (en) * | 2016-12-27 | 2017-06-13 | 天津金发新材料有限公司 | A kind of low-density scratch-resistant resists tacky talc powder filled polypropylene material |
| CN107955261A (en) * | 2017-11-25 | 2018-04-24 | 张冬平 | Mica filled PP formulas |
| CN109762257A (en) * | 2018-12-17 | 2019-05-17 | 会通新材料股份有限公司 | A kind of automobile-used polypropylene material of low VOC and preparation method thereof |
| CN112280186A (en) * | 2020-11-11 | 2021-01-29 | 广西北海精一电力器材有限责任公司 | Protective layer cushion block for concrete pole and preparation method thereof |
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| CN1479765A (en) * | 2000-12-22 | 2004-03-03 | 三星综合化学株式会社 | Polypropylene resin composition having thermal resistance, high-rigidity and low warpage properties |
| CN101817953A (en) * | 2009-10-30 | 2010-09-01 | 苏州旭光聚合物有限公司 | Low-diffusion modified polypropylene composite material and preparation method thereof |
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2015
- 2015-12-11 CN CN201510926938.0A patent/CN105440439A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1479765A (en) * | 2000-12-22 | 2004-03-03 | 三星综合化学株式会社 | Polypropylene resin composition having thermal resistance, high-rigidity and low warpage properties |
| CN101817953A (en) * | 2009-10-30 | 2010-09-01 | 苏州旭光聚合物有限公司 | Low-diffusion modified polypropylene composite material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832574A (en) * | 2016-12-27 | 2017-06-13 | 天津金发新材料有限公司 | Low smell low-density lower shrinkage talc powder filled polypropylene material and preparation method thereof |
| CN106832598A (en) * | 2016-12-27 | 2017-06-13 | 天津金发新材料有限公司 | A kind of resistance to stress is turned white the low linear expansion coefficient polypropylene materials of low VOC |
| CN106832573A (en) * | 2016-12-27 | 2017-06-13 | 天津金发新材料有限公司 | A kind of low-density scratch-resistant resists tacky talc powder filled polypropylene material |
| CN107955261A (en) * | 2017-11-25 | 2018-04-24 | 张冬平 | Mica filled PP formulas |
| CN109762257A (en) * | 2018-12-17 | 2019-05-17 | 会通新材料股份有限公司 | A kind of automobile-used polypropylene material of low VOC and preparation method thereof |
| CN112280186A (en) * | 2020-11-11 | 2021-01-29 | 广西北海精一电力器材有限责任公司 | Protective layer cushion block for concrete pole and preparation method thereof |
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Application publication date: 20160330 |