CN107446243A - A kind of modified white graphite alkene composite polypropylene tubing and preparation method thereof - Google Patents

A kind of modified white graphite alkene composite polypropylene tubing and preparation method thereof Download PDF

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CN107446243A
CN107446243A CN201710713906.1A CN201710713906A CN107446243A CN 107446243 A CN107446243 A CN 107446243A CN 201710713906 A CN201710713906 A CN 201710713906A CN 107446243 A CN107446243 A CN 107446243A
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graphite alkene
white graphite
modified white
preparation
composite polypropylene
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段曦东
赵涛楠
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Guangdong Na Lu Nano Science And Technology Co Ltd
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Guangdong Na Lu Nano Science And Technology Co Ltd
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Abstract

The present invention relates to plastic conduit technical field, a kind of modified white graphite alkene composite polypropylene tubing is specifically disclosed, its raw material of tubing composition is by weight ratio 100 parts of acrylic resins, 0.1~10 part of modified white graphite alkene, 0.05~1 part of antioxidant, 0.05 1 parts of dispersants.The preparation method of the tubing is also disclosed, the preparation of modified white graphite alkene is specifically included, is modified the preparation, the extrusion molding that are blended, are modified white graphite alkene polypropylene agglomerate of white graphite alkene and acrylic resin.Modification white graphite alkene composite polypropylene tubing prepared by the present invention is compared with existing polypropylene pipe, 0 DEG C of low-temperature impact resistance is improved up to more than 350%, tensile break strength is improved up to 30%, card heat resisting temperature is tieed up to improve up to 5 DEG C, oxygen transmission rate is reduced up to 40%, thermal conductivity and corrosion resistance is good and easy to process, cost is relatively low simultaneously, has very strong practicality.

Description

A kind of modified white graphite alkene composite polypropylene tubing and preparation method thereof
Technical field
The present invention relates to plastic conduit technical field, and in particular to a kind of modified white graphite alkene composite polypropylene tubing and its Preparation method.
Background technology
Polypropylene is a kind of thermoplastic resin as made from propylene polymerization, is one of five big general-purpose plastics, is widely used In various high performance pipes.Polypropylene have small density, endurance, resistant to chemical etching, stress crack resistant and be easy to shaping plus The advantages that work, shortcoming is that low-temperature impact resistance is poor, more easy to aging.
As polypropylene pipe is more and more applied to cold and hot water supply system, heating system, conveying or the discharge of building The industrial tubes system such as chemical mediator, it is resistance to compression and low-temperature impact resistance, oxygen barrier, heat endurance to tubing, corrosion-resistant Property etc. the requirement of particular characteristic also increasingly improve, therefore how polypropylene is modified, it is being kept the base of original performance Particular characteristic is improved on plinth, turns into an important research topic.
In existing research and patent, generally use other plastics, rubber or elastomer are changed with polypropene blended Property, its impact resistance can be improved, but tensile strength and bending strength can be greatly reduced.Also by the nucleation of addition specific crystal formation Agent controls polyacrylic crystal formation to realize polyacrylic high performance.As patent CN104086887A uses novel micro nanometer metrical scale Nucleating Agent on Pp carry out weather-proof, impact-resistant modified, but because nucleator has very high surface energy, easily reunite, together When with matrix material poor compatibility, so as to influence polyacrylic performance.
The content of the invention
In view of this, it is necessary in view of the above-mentioned problems, providing a kind of modified white graphite alkene composite polypropylene tubing and its system Preparation Method.
To achieve the above object, the present invention takes following technical scheme：
The modification white graphite alkene composite polypropylene tubing of the present invention, its raw material form as 100 parts of polypropylene trees by weight Fat, 0.1~10 part of modified white graphite alkene, 0.05~1 part of antioxidant, 0.05-1 part dispersants.
As preferable, the modified white graphite alkene composite polypropylene tubing, its raw material forms poly- for 100 parts by weight Allyl resin, 1~7 part of modified white graphite alkene, 0.1~0.5 part of antioxidant, 0.1-0.5 part dispersants.
Further, the acrylic resin is tubing level atactic copolymerized polypropene resin, HOPP resin, block One or more in acrylic resin copolymer.
Further, the antioxidant is the one or more in phosphite antioxidant, hindered phenol antioxygen.
Further, the dispersant is the one or more in stearic acid, paraffin, Tissuemat E.
Further, the modified white graphite alkene is the white graphite alkene 0.1-0.5% surfactants from 5-10 layers Aqueous solution soaking 22-26 hours, obtained after centrifuging, being dried in vacuo.
As preferable, the modified white graphite alkene is water-soluble with 0.1% surfactant from 10 layers of white graphite alkene Liquid soaks 24 hours, is obtained after centrifuging, being dried in vacuo.
Further, the surfactant includes long-chain lewis base, long-chain lewis acid, quaternary ammonium compound, sulfonated One or more in thing, nonionic surface active agent.
As preferable, the long-chain lewis base is amine；The long-chain lewis acid is boranes；It is described quaternized Thing includes alkyl trimethyl quaternary ammonium salt, alkyldimethylbenzylammonium quaternary ammonium salt, dialkyl dimethyl quaternary ammonium salt；The azochlorosulfonate acid compound bag Include neopelex, dodecyl sodium sulfate, sodium lignin sulfonate；The nonionic surface active agent includes poly- Ether, polyester, polyvinyl alcohol, cellulose derivative.
A kind of preparation method of modified white graphite alkene composite polypropylene tubing, including：
The preparation of the modified white graphite alkene of step 1)：Modified white graphite alkene is prepared from the white graphite alkene of 5-10 layers；
Step 2) is blended：Acrylic resin, modified white graphite alkene, antioxidant and dispersant, warp are weighed by weight ratio High-speed mixer is well mixed；
The preparation of step 3) master batch：By the mixed raw material of step 2) through double screw extruder melting extrusion, water cooling bracing Obtain being modified white graphite alkene polypropylene agglomerate after pelletizing；
Step 4) extrusion molding：The modification white graphite alkene polypropylene agglomerate that step 3) is obtained, then squeezed through pipe extruder Go out shaping, obtain being modified white graphite alkene composite polypropylene pipe finished.
Further, the step 2) blending, it is to disperse 5-30min at a high speed in high-speed mixer.
Further, the preparation process of the master batch described in step 3), each area's temperature of double screw extruder be 140-160 DEG C, Head temperature is 150-170 DEG C.
Further, the temperature of pipe extruder extrusion molding described in step 4) is 140-170 DEG C.
Compared with prior art, beneficial effects of the present invention are：
1) there is good gas barrier property, intensity and heat resistance by modified white graphite alkene, high temperature resistant up to 2000 DEG C, and With excellent heat conductivility and chemical inertness.The modification white graphite alkene composite polypropylene tubing of the present invention and existing polypropylene Tubing is compared, and 0 DEG C of low-temperature impact resistance improves more than 200%, and tensile break strength improves 30%, and dimension card heat resisting temperature improves 5 DEG C, oxygen transmission rate reduces by 40%, while thermal conductivity and corrosion resistance are good.
2) modification white graphite alkene composite polypropylene tubing of the invention can make full use of modifying plastics, in processing and forming industry Existing equipment, it is easy to process, cost is relatively low, can be widely applied to cold and hot water supply system, heating system, conveying or the row of building The industrial tubes system such as chemical mediator is put, is had great practical value.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention, to this hair Bright technical scheme is made further clearly and completely to describe.It should be noted that described embodiment is only the present invention one Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
Embodiment 1
The preparation of the modified white graphite alkene of step 1)：Soaked from the white graphite alkene of 5-10 layers with 0.1% polyvinyl alcohol water solution Bubble 24 hours, must be modified white graphite alkene after centrifuging, being dried in vacuo；
Step 2) is blended：Weigh 100 parts of tubing level atactic copolymerized polypropene resins, 0.1 part of modification respectively in parts by weight White graphite alkene, 0.1 part of hindered phenol antioxygen 1010 and 0.1 part of stearic acid uniformly mix 10min through high-speed mixer；
The preparation of step 3) master batch：By step 2), uniformly mixed raw material through double screw extruder melting extrusion, is extruded Obtain being modified white graphite alkene polypropylene agglomerate after 145 DEG C of Ji Ge areas temperature, 150 DEG C of head temperature, then water cooled tie rod pelletizing；
Step 4) extrusion molding：The modification white graphite alkene polypropylene agglomerate that step 3) obtains is extruded through pipe extruder again Shaping, extrusion temperature are 150 DEG C, obtain being modified white graphite alkene composite polypropylene pipe finished.
Embodiment 2
The preparation of the modified white graphite alkene of step 1)：From 5-10 layers white graphite alkene with 0.1% oleyl amine aqueous solution soaking 24 Hour, white graphite alkene must be modified after centrifuging, being dried in vacuo；
Step 2) is blended：Weigh 100 parts of tubing level atactic copolymerized polypropene resins, 1 part of modification respectively in parts by weight in vain Graphene, 0.3 part of hindered phenol antioxygen 1010 and 0.3 part of Tissuemat E uniformly mix 10min through high-speed mixer；
The preparation of step 3) master batch：By step 2), uniformly mixed raw material through double screw extruder melting extrusion, is extruded Obtain being modified white graphite alkene polypropylene agglomerate after 150 DEG C of Ji Ge areas temperature, 170 DEG C of head temperature, then water cooled tie rod pelletizing；
Step 4) extrusion molding：The modification white graphite alkene polypropylene agglomerate that step 3) obtains is extruded through pipe extruder again Shaping, extrusion temperature are 155 DEG C, obtain being modified white graphite alkene composite polypropylene pipe finished.
Embodiment 3
The preparation of the modified white graphite alkene of step 1)：From 5-10 layers white graphite alkene with 0.4% oleyl amine aqueous solution soaking 24 Hour, white graphite alkene must be modified after centrifuging, being dried in vacuo；
Step 2) is blended：Weigh 100 parts of tubing level HOPP resins, 3 parts of modified white graphites respectively in parts by weight Alkene, 0.5 part of phosphite antioxidant 168 and 0.5 part of stearic acid uniformly mix 15min through high-speed mixer；
The preparation of step 3) master batch：By step 2), uniformly mixed raw material through double screw extruder melting extrusion, is extruded Obtain being modified white graphite alkene polypropylene agglomerate after 155 DEG C of Ji Ge areas temperature, 170 DEG C of head temperature, then water cooled tie rod pelletizing；
Step 4) extrusion molding：The modification white graphite alkene polypropylene agglomerate that step 3) obtains is extruded through pipe extruder again Shaping, extrusion temperature are 160 DEG C, obtain being modified white graphite alkene composite polypropylene pipe finished.
Embodiment 4
The preparation of the modified white graphite alkene of step 1)：From 5-10 layers white graphite alkene with 0.5% dodecyl sodium sulfate water Solution is soaked 24 hours, and white graphite alkene must be modified after centrifuging, being dried in vacuo；
Step 2) is blended：Weigh 100 parts of tubing level block copolymerization polypropylenes, 6 parts of modified white graphites respectively in parts by weight Alkene, 0.2 part of phosphite antioxidant, 168,0.1 parts of hindered phenol antioxygens 1010 and 0.3 part of paraffin are uniform through high-speed mixer Mix 25min；
The preparation of step 3) master batch：By step 2), uniformly mixed raw material through double screw extruder melting extrusion, is extruded Obtain being modified white graphite alkene polypropylene agglomerate after 160 DEG C of Ji Ge areas temperature, 170 DEG C of head temperature, then water cooled tie rod pelletizing；
Step 4) extrusion molding：The modification white graphite alkene polypropylene agglomerate that step 3) obtains is extruded through pipe extruder again Shaping, extrusion temperature are 170 DEG C, obtain being modified white graphite alkene composite polypropylene pipe finished.
Comparative example 1
Comparative example 1 is commercially available random copolymerization polypropylene pipe.
It is that modification white graphite alkene prepared in commercially available random copolymerization polypropylene pipe and embodiment 1-4 is compound in table 1 The performance parameter of polypropylene pipe：
The polypropylene pipe the performance test results of the comparative example of table 1 and embodiment 1-4
Compared with commercially available plain polypropylene pipe performance, the modification white graphite alkene composite polypropylene pipe of the invention prepared Material, 0 DEG C of low-temperature impact resistance are improved up to more than 350%, and tensile break strength is improved up to 30%, and dimension card heat resisting temperature, which improves, to be reached 5 DEG C, oxygen transmission rate is reduced up to 40%, while thermal conductivity and corrosion resistance are good and easy to process, cost is relatively low, with very strong Practicality.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (10)

1. a kind of modified white graphite alkene composite polypropylene tubing, it is characterised in that its raw material forms as 100 parts poly- third by weight Olefine resin, 0.1~10 part of modified white graphite alkene, 0.05~1 part of antioxidant, 0.05-1 part dispersants.
2. modified white graphite alkene composite polypropylene tubing according to claim 1, it is characterised in that the acrylic resin For the one or more in tubing level atactic copolymerized polypropene resin, HOPP resin, block copolymerization polypropylene resin.
3. modified white graphite alkene composite polypropylene tubing according to claim 1, it is characterised in that the antioxidant is Asia One or more in phosphoric acid antioxidant, hindered phenol antioxygen.
4. modified white graphite alkene composite polypropylene tubing according to claim 1, it is characterised in that the dispersant is hard One or more in resin acid, paraffin, Tissuemat E.
5. the modification white graphite alkene composite polypropylene tubing according to claim 1-4 any one, it is characterised in that described Modified white graphite alkene is white graphite alkene 0.1-0.5% aqueous surfactant solutions immersion 22-26 hours, the warp from 5-10 layers Obtained after centrifugation, vacuum drying.
6. modified white graphite alkene composite polypropylene tubing according to claim 5, it is characterised in that the surfactant Including one kind in long-chain lewis base, long-chain lewis acid, quaternary ammonium compound, azochlorosulfonate acid compound, nonionic surface active agent or It is a variety of.
7. modified white graphite alkene composite polypropylene tubing according to claim 6, it is characterised in that the long-chain Louis Alkali is amine；The long-chain lewis acid is boranes；The quaternary ammonium compound includes alkyl trimethyl quaternary ammonium salt, alkyl dimethyl Benzyl quaternary ammonium salt, dialkyl dimethyl quaternary ammonium salt；The azochlorosulfonate acid compound be neopelex, dodecyl sodium sulfate, Sodium lignin sulfonate；The nonionic surface active agent is polyethers, polyester, polyvinyl alcohol, cellulose derivative.
8. a kind of preparation method of modified white graphite alkene composite polypropylene tubing, including：
The preparation of the modified white graphite alkene of step 1)：Modified white graphite alkene is prepared from the white graphite alkene of 5-10 layers；
Step 2) is blended：Acrylic resin, modified white graphite alkene, antioxidant and dispersant are weighed by weight ratio, through at a high speed Mixer is well mixed；
The preparation of step 3) master batch：By the mixed raw material of step 2) through double screw extruder melting extrusion, water cooling bracing pelletizing After obtain being modified white graphite alkene polypropylene agglomerate；
Step 4) extrusion molding：The modification white graphite alkene polypropylene agglomerate that step 3) is obtained, then be extruded into through pipe extruder Type, obtain being modified white graphite alkene composite polypropylene pipe finished.
9. the preparation method of modified white graphite alkene composite polypropylene tubing according to claim 8, it is characterised in that step 2) blending, it is to disperse 5-30min at a high speed in high-speed mixer.
10. the preparation method of modified white graphite alkene composite polypropylene tubing according to claim 8, it is characterised in that step It is rapid 3) described in master batch preparation process, each area's temperature of double screw extruder be 140-160 DEG C, head temperature be 150-170 DEG C； The temperature of pipe extruder extrusion molding described in step 4) is 140-170 DEG C.
CN201710713906.1A 2016-08-22 2017-08-18 A kind of modified white graphite alkene composite polypropylene tubing and preparation method thereof Pending CN107446243A (en)

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CN201710713884.9A Active CN107383612B (en) 2016-08-22 2017-08-18 Modified white graphene composite polypropylene aluminum-plastic steady-state pipe and preparation method thereof
CN201710714408.9A Pending CN107541179A (en) 2016-08-22 2017-08-18 A kind of compound silicone sealant of high-gas resistance performance and preparation method thereof
CN201710714421.4A Pending CN107383752A (en) 2016-08-22 2017-08-18 A kind of modified compound ABS material of white graphite alkene and preparation method thereof
CN201710713907.6A Pending CN107383693A (en) 2016-08-22 2017-08-18 A kind of modified white graphite alkene composite ganoine polychloroethylene pipes and preparation method thereof
CN201710713906.1A Pending CN107446243A (en) 2016-08-22 2017-08-18 A kind of modified white graphite alkene composite polypropylene tubing and preparation method thereof
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CN201710714408.9A Pending CN107541179A (en) 2016-08-22 2017-08-18 A kind of compound silicone sealant of high-gas resistance performance and preparation method thereof
CN201710714421.4A Pending CN107383752A (en) 2016-08-22 2017-08-18 A kind of modified compound ABS material of white graphite alkene and preparation method thereof
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104151664A (en) * 2014-05-07 2014-11-19 武汉金牛经济发展有限公司 Preparation method of polyethylene composite pipes modified by using graphene
CN105131385A (en) * 2015-07-29 2015-12-09 天津金发新材料有限公司 High-oxygen barrier property high-strength polyolefin heat conduction pipe and preparation method thereof
CN106117649A (en) * 2016-08-22 2016-11-16 广东纳路纳米科技有限公司 A kind of modified Nano composite rubber material and preparation thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8303922B2 (en) * 2009-08-24 2012-11-06 The United States Of America As Represeted By The Administrator Of The National Aeronautics And Space Administration Method for exfoliation of hexagonal boron nitride
US9441076B2 (en) * 2009-11-12 2016-09-13 The Trustees Of Princeton University Multifunctional graphene-silicone elastomer nanocomposite, method of making the same, and uses thereof
CN102532906A (en) * 2010-12-30 2012-07-04 比亚迪股份有限公司 Organic silicon composition and preparation method thereof
CN102532629B (en) * 2011-12-30 2013-06-05 北京化工大学 Preparation method of completely peeled oxidation graphene/ rubber nanometer composite material
CN103937259B (en) * 2014-04-04 2017-02-15 东莞市柏力有机硅科技有限公司 Graphene oxide modified compound type heat conducting silicone rubber and preparation method thereof
CN104004294A (en) * 2014-05-07 2014-08-27 武汉金牛经济发展有限公司 Preparation method of graphene-modified hard polyvinyl chloride composite tubing
CN106281205A (en) * 2016-08-22 2017-01-04 广东纳路纳米科技有限公司 A kind of comprehensive silicon ketone seal gum of high-gas resistance performance and preparation method thereof
CN106281126B (en) * 2016-08-31 2017-12-29 广东纳路纳米科技有限公司 Double glazing modified white graphite alkene composite butyl fluid sealant and its encapsulating method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104151664A (en) * 2014-05-07 2014-11-19 武汉金牛经济发展有限公司 Preparation method of polyethylene composite pipes modified by using graphene
CN105131385A (en) * 2015-07-29 2015-12-09 天津金发新材料有限公司 High-oxygen barrier property high-strength polyolefin heat conduction pipe and preparation method thereof
CN106117649A (en) * 2016-08-22 2016-11-16 广东纳路纳米科技有限公司 A kind of modified Nano composite rubber material and preparation thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN108504128B (en) * 2018-03-08 2020-10-23 广东纳路纳米科技有限公司 White graphene modified LCP composite material and preparation method thereof
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CN109796682B (en) * 2018-12-18 2021-08-17 武汉金牛经济发展有限公司 Toughened heat-resistant PPR pipe and preparation method thereof
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Application publication date: 20171208