CN1380352A - Hybrid nano inoganic particle modified polypropylene and its preparation method - Google Patents

Hybrid nano inoganic particle modified polypropylene and its preparation method Download PDF

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Publication number
CN1380352A
CN1380352A CN 02114952 CN02114952A CN1380352A CN 1380352 A CN1380352 A CN 1380352A CN 02114952 CN02114952 CN 02114952 CN 02114952 A CN02114952 A CN 02114952A CN 1380352 A CN1380352 A CN 1380352A
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China
Prior art keywords
polypropylene
mineral filler
coupling agent
micron
nano level
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Pending
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CN 02114952
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Chinese (zh)
Inventor
曾斌
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GAOYIXIN PLASTICS CO Ltd SHUNDE CITY
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GAOYIXIN PLASTICS CO Ltd SHUNDE CITY
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Application filed by GAOYIXIN PLASTICS CO Ltd SHUNDE CITY filed Critical GAOYIXIN PLASTICS CO Ltd SHUNDE CITY
Priority to CN 02114952 priority Critical patent/CN1380352A/en
Publication of CN1380352A publication Critical patent/CN1380352A/en
Pending legal-status Critical Current

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Abstract

The composition of polypropylene compound material is formed from (wt%) 55-85% of polypropylene, 1-15% of nano inorganic filling material, 10-30% of micrometer-level inorganic filling material and coupling agent whose content is 1-4% of filling material, and its preparation method includes the following steps: adding coupling agent in the polypropylene, adding micrometer-level inorganic filling material in the course of high-speed mixing process, then adding surface-treated nano inorganic filling material and comixing them for 2-4 min., kneading at 180-220 deg.c by using twin-screw extruder or single-screw extruder and extruding so as to obtain the invented product.

Description

Hybrid nano inoganic particle modified polypropylene and preparation method thereof
Technical field
The present invention relates to a kind of employing nano inoganic particle modified polypropylene, strengthen the preparation method and the polypropylene of its performance.
Background technology
The raising of polyacrylic rigidity and thermal change temperature normally realizes polypropylene and mineral filler blend; but its toughness is descended; and influence the surface smoothness of this material; as application number be 99116017, the applying date is that January 19, denomination of invention in 1999 are the patent of nanometre inorganic particle toughened reinforced plastics and preparation method thereof; it is nano inoganic particle to be carried out surface graft modification handle; mix with plastics then, and utilize the common plastics processing means to make master batch or goods.Each composition and the weight percent thereof of these plastics are: plastics 85~98%; Nano inoganic particle 1~10%; Graft monomer 0.5~5%.Though aforesaid method technology is simple, and is easy to implement, but be widely used in the filling-modified of multiple plastics, but have above-mentioned shortcoming equally, and also owing to will adopt laser to fire, manufacturing cost is higher relatively.
Goal of the invention
The object of the present invention is to provide a kind ofly to have good toughness reinforcing and surface smoothness preferably, and have rigidity and thermal distortion degree warm in nature preferably, hybridized nanometer Inorganic Fillers Filled polypropylene that cost is low.
Another object of the present invention also is to provide a kind of preparation method of above-mentioned polypropylene composite.Technical scheme
The present invention realizes above-mentioned purpose in the following way: polypropylene composite of the present invention contains polypropylene, nano level mineral filler, micron-sized mineral filler, coupling agent, the amount of its composition is by weight percentage: polypropylene is 55~85%, nano level mineral filler 1~15%, micron-sized mineral filler 10~30%, the amount of coupling agent are 1~4% of amount of filler.
Preparation method of the present invention: in polypropylene, add coupling agent, in the process of high-speed mixing, add micron-sized mineral filler, add surface treated nano level mineral filler blend 2-4 minute again, under the temperature condition of 180-220 degree, mediate, extrude and make with dual-screw-stem machine or single-screw machine.Also the nano level inorganic level of polypropylene and high filler loading capacity, micron-sized mineral filler can be made masterbatch, add polypropylene more by a certain percentage and make required mixture.Beneficial effect
After adopting said structure, owing to added surface treated nano level mineral filler in the present invention, the toughness of material is significantly improved, and improve its surface gloss, added micron-sized mineral filler the rigidity of mixture and heat-drawn wire are improved, and reduced cost.This mixture can be used for household electrical appliance component, telecommunications part, plastics daily necessities and auto parts.
Embodiment
The invention will be further described below in conjunction with embodiment.
Polypropylene composite of the present invention contains polypropylene, nano level mineral filler, micron-sized mineral filler, coupling agent, and described polypropylene adopts alfon or propylene and ethylene copolymer; Lime carbonate, silicon-dioxide are adopted in nano level mineral filler; Lime carbonate, barium sulfate are adopted in micron-sized mineral filler; Coupling agent employing stearic acid and its esters, silane, aluminic acid lipoprotein coupling agent.
Below modified polypropene of the present invention and effect thereof are described further.
Polypropylene in this explanation all is commercially produced products.
The micron order mineral filler is done the surface by method noted earlier and is handled, and the nano grade inorganic filler carries out surface treatment by manufacturer by different ranges of application when it dispatches from the factory.Equipment: cocurrent and parallel formula twin screw extruder, screw diameter 35mm, 38, seven sections heating of length-to-diameter ratio.
Processing condition: first and the 7th section Heating temperature is 210 ± 10 degree, 420 rev/mins of screw speeds.
Below each table be the composition proportion of part embodiment of the present invention and comparative example and the comparison of several performance.
The polypropylene of table 1-1 and table 1-2 explanation micron order Inorganic Fillers Filled, along with the increase of loading level, the rigidity of this matrix material, heat-drawn wire obtain certain raising, but toughness, surface gloss are along with being increased to of loading level progressively descends after a certain amount of.
The polypropylene that table 2-1 and table 2-2 explanation nano grade inorganic filler are filled, along with the increase of loading level, the rigidity of this matrix material, heat-drawn wire, toughness, surface gloss obtain certain raising, but along with being increased to of loading level progressively descends after a certain amount of.
The polypropylene that table 3-1 and table 3-2 explanation nano level, micron order mineral filler hydridization are filled can make rigidity, heat-drawn wire, toughness, the surface gloss of this matrix material all obtain certain raising according to certain preparation method.Table 1-1
Numbering ???PP ??BaSO4
????1-1 ???100 ????0
????1-2 ???95 ????5
????1-3 ???90 ????10
????1-4 ???85 ????15
????1-5 ???80 ????20
????1-6 ???75 ????25
Table 1-2
Numbering Unit 1-1 ?1-2 ?1-3 ?1-4 ?1-5 ?1-6
Tensile strength MPa 30 ?30 ?31 ?31 ?32 ?31
Modulus in flexure MPa 1700 ?1810 ?1870 ?1900 ?2120 ?2400
The simply supported beam notched Izod impact strength KJ/m2 6.0 ?6.3 ?6.6 ?6.8 ?7.0 ?7.1
Heat-drawn wire 105 ?111 ?118 ?120 ?126 ?130
Glossiness 85 ?89 ?93 ?95 ?95 ?95
Table 2-1
Numbering PP ?CaCO 3
?2-1 100 ?0
?2-2 95 ?5
?2-3 90 ?10
Table 2-2
Numbering Unit ?2-1 ?2-2 ?2-3
Tensile strength MPa ?30 ?31 ?30
Modulus in flexure MPa ?1700 ?1800 ?1900
The simply supported beam notched Izod impact strength KJ/m2 ?6.0 ?9.5 ?8.5
Heat-drawn wire ?105 ?116 ?119
Glossiness 85 ?95 ?96
Table 3-1
Numbering ?PP ?CaCO3 ?BaSO 4
?3-1 ?100 ?0 ?0
?3-2 ?75 ?5 ?20
?3-3 ?75 ?10 ?15
Table 3-2
Numbering Unit 3-1 ?3-2 ?3-3
Tensile strength MPa 30 ?28 ?27
Modulus in flexure MPa 1700 ?2250 ?2100
The simply supported beam notched Izod impact strength KJ/m2 6.0 ?8.1 ?7.6
Heat-drawn wire 105 ?130 ?128
Glossiness 85 ?98 ?95

Claims (4)

1. polypropylene composite, it is characterized in that, this polypropylene composite contains polypropylene, nano level mineral filler, micron-sized mineral filler, coupling agent, the amount of its composition is by weight percentage: polypropylene is 55~85%, nano level mineral filler 1~15%, micron-sized mineral filler 10~30%, the amount of coupling agent are 1~4% of amount of filler.
2. polypropylene composite preparation method as claimed in claim 1, it is characterized in that, in polypropylene, add coupling agent, in the process of high-speed mixing, add micron-sized mineral filler, add surface treated nano level mineral filler blend 2-4 branch again and plant, under the temperature condition of 180-220 degree, mediate, extrude and make with dual-screw-stem machine or single-screw machine.
3. according to the described polypropylene composite of claim 1, it is characterized in that described polypropylene adopts alfon or propylene and ethylene copolymer; Lime carbonate, silicon-dioxide are adopted in nano level mineral filler; Lime carbonate, barium sulfate are adopted in micron-sized mineral filler; Coupling agent employing stearic acid and its esters, silane, aluminic acid lipoprotein coupling agent.
4. according to the described polypropylene composite preparation method of claim 2, it is characterized in that, described method also can be made masterbatch with the nano level inorganic level of polypropylene and high filler loading capacity, micron-sized mineral filler, adds polypropylene more by a certain percentage and makes required mixture.
CN 02114952 2002-03-13 2002-03-13 Hybrid nano inoganic particle modified polypropylene and its preparation method Pending CN1380352A (en)

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Application Number Priority Date Filing Date Title
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101948594A (en) * 2010-10-25 2011-01-19 江苏技术师范学院 High-impact-resistance water supply pipe aggregate and preparation method thereof
CN101974215A (en) * 2010-10-21 2011-02-16 深圳市华力兴工程塑料有限公司 Modified engineering plastic and preparation method thereof
CN101979441A (en) * 2010-10-21 2011-02-23 深圳市华力兴工程塑料有限公司 Modified engineering plastic with high weather resistance and rigidity and preparation method thereof
CN102618008A (en) * 2010-10-21 2012-08-01 深圳市华力兴工程塑料有限公司 Highly-weatherproof high-rigidity modified engineering plastic and preparation method for same
CN102827419A (en) * 2011-06-14 2012-12-19 黑龙江鑫达企业集团有限公司 Preparation method for easy-to-disperse and easy-to-process polypropylene composite material
CN102942741A (en) * 2012-12-07 2013-02-27 柏力开米复合塑料(昆山)有限公司 Polypropylene/nano calcium carbonate composite material
CN108276684A (en) * 2017-12-26 2018-07-13 上海普利特复合材料股份有限公司 A kind of nanometer composite polypropylene material and preparation method thereof for lightweight injection-moulded plastic part

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101974215A (en) * 2010-10-21 2011-02-16 深圳市华力兴工程塑料有限公司 Modified engineering plastic and preparation method thereof
CN101979441A (en) * 2010-10-21 2011-02-23 深圳市华力兴工程塑料有限公司 Modified engineering plastic with high weather resistance and rigidity and preparation method thereof
CN102618008A (en) * 2010-10-21 2012-08-01 深圳市华力兴工程塑料有限公司 Highly-weatherproof high-rigidity modified engineering plastic and preparation method for same
CN101979441B (en) * 2010-10-21 2012-09-05 深圳市华力兴工程塑料有限公司 Modified engineering plastic with high weather resistance and rigidity and preparation method thereof
CN102618008B (en) * 2010-10-21 2014-03-19 深圳市华力兴工程塑料有限公司 Highly-weatherproof high-rigidity modified engineering plastic and preparation method for same
CN101948594A (en) * 2010-10-25 2011-01-19 江苏技术师范学院 High-impact-resistance water supply pipe aggregate and preparation method thereof
CN102827419A (en) * 2011-06-14 2012-12-19 黑龙江鑫达企业集团有限公司 Preparation method for easy-to-disperse and easy-to-process polypropylene composite material
CN102942741A (en) * 2012-12-07 2013-02-27 柏力开米复合塑料(昆山)有限公司 Polypropylene/nano calcium carbonate composite material
CN108276684A (en) * 2017-12-26 2018-07-13 上海普利特复合材料股份有限公司 A kind of nanometer composite polypropylene material and preparation method thereof for lightweight injection-moulded plastic part

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