CN103059391B - A kind of toughness reinforcing foaming master batch and its production and use - Google Patents
A kind of toughness reinforcing foaming master batch and its production and use Download PDFInfo
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- CN103059391B CN103059391B CN201110322117.8A CN201110322117A CN103059391B CN 103059391 B CN103059391 B CN 103059391B CN 201110322117 A CN201110322117 A CN 201110322117A CN 103059391 B CN103059391 B CN 103059391B
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Abstract
The invention belongs to technical field of macromolecules, relate to a kind of foaming master batch and its production and use.This agglomerate material, is made up of the component comprising its weight part following: Low Density Polyethylene 10 ~ 25 parts, linear low density polyethylene 20 ~ 30 parts, ethylene-vinyl acetate copolymer 10 ~ 20 parts, whipping agent 10 ~ 20 parts, dispersion agent 10 ~ 20 parts, nucleator 0 ~ 10 part, 0.1 ~ 0.2 part, oxidation inhibitor.The present invention with LDPE and LLDPE be matrix, whipping agent and nucleator can be scattered in the master batch obtained in matrix resin by dispersion agent for carrier by EVA.It is better that the master batch that the method obtains is used for consistency in polypropylene and behavior of polypropylene composites, whipping agent and nucleator better can be dispersed with and help form the microbubble structure of uniform and delicate in polypropylene, can be added in polypropylene material by extrude or injection moulding obtains the high polypropylene of the low toughness of density and behavior of polypropylene composites goods.
Description
Technical field
The invention belongs to technical field of macromolecules, relate to a kind of master batch and its production and use.
Background technology
Polypropylene (PP) resin has light weight, abundant raw material source, thermotolerance, chemical resistance that the ratio of performance to price is superior and excellent, is easy to the features such as recovery, is the fastest interchangeable heat plastic resin of increase of production amount in the world.At present, China PP resin has become the maximum resin of output, and PP resin industry to face consumption structure single, the problems such as demand is not prosperous, product specification is low.Numerous production of resins enterprise is all actively adjusting production thinking, and Development and Production high quality, high added value, marketable PP Pipe Compound, have larger using value and economic benefit to make PP.Wherein the research and development of polypropylene foam have also become focus in recent years, although polypropylene expanded product has good performance and application prospect, its development difficulty is very large.Domestic at present not yet have it is correlated with, core technology capable of being industrialized.The foaming of current domestic polypropylene material and behavior of polypropylene composites realizes mainly through physical blowing and chemical foaming two kinds of methods; Moulding process mainly contains injection moulding, extrusion moulding and compression molding.Physical blowing is complicated to material producing process, production unit requirement is higher, cost is higher.The invention provides a kind of method by injection foaming to realize under the prerequisite not changing technique polypropylene material loss of weight and toughness reinforcing.
Summary of the invention
The object of the present invention is to provide a kind of toughness reinforcing foaming master batch for polypropylene articles and its production and use.Master batch provided by the invention is for extruding the chemical foaming plasticizing mother particle with injection moulding, can realize polypropylene material loss of weight and toughness reinforcing under the prerequisite not changing technique.
For achieving the above object, the present invention is achieved through the following technical solutions.
A kind of agglomerate material, be made up of the component comprising its weight part following:
Low Density Polyethylene (LDPE) 10 ~ 25 parts,
Linear low density polyethylene (LLDPE) 20 ~ 30 parts,
Ethylene-vinyl acetate copolymer (EVA) 10 ~ 20 parts,
Whipping agent 10 ~ 20 parts,
Dispersion agent 10 ~ 20 parts,
Nucleator 0 ~ 10 part,
0.1 ~ 0.2 part, oxidation inhibitor.
Described whipping agent is Cellmic C 121.
Described dispersion agent be in polyethylene wax or stearic acid in one or both.
Described nucleator is one or both in nano-calcium carbonate or nanometer calcium sulfate.
Described oxidation inhibitor is four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] one or both in pentaerythritol ester (antioxidant 1010) or three [2,4-di-tert-butyl-phenyl] phosphorous acid ester (irgasfos 168s).
A preparation method for above-mentioned agglomerate material, comprises following steps:
(1) first LDPE, LLDPE, ethylene-vinyl acetate copolymer, whipping agent, dispersion agent, nucleator and oxidation inhibitor is taken according to the above ratio;
(2) step (1) raw material is mixed in high-speed mixer;
(3) by mixture banburying in Banbury mixer uniform in step (2), through the master batch of single screw extrusion machine extruding pelletization after banburying terminates.
In described step (2), mixing time is 5 ~ 10 minutes.
In described step (3), Banbury mixer temperature is 100 ~ 120 DEG C, and the banburying time is 15 ~ 20 minutes.
In described step (3), the temperature range of each section of forcing machine is 100 ~ 120 DEG C.
A kind of purposes above-mentioned master batch being used as the toughness reinforcing foaming master batch of polypropylene material.
Compared with prior art, the present invention has following beneficial effect:
The invention provides a kind of toughness reinforcing foaming master batch, may be used for all polypropylene materials and with polypropylene be matrix matrix material in, compared with prior art method cost provided by the invention low, to production unit require low, production technique simply can large-scale application.
The present invention with LDPE and LLDPE be matrix, whipping agent and nucleator can be scattered in the master batch obtained in matrix resin by dispersion agent for carrier by EVA.It is better that the master batch that the method obtains is used for consistency in polypropylene and behavior of polypropylene composites, whipping agent and nucleator better can be dispersed with and help form the microbubble structure of uniform and delicate in polypropylene, can be added in polypropylene material by extrude or injection moulding obtains the high polypropylene of the low toughness of density and behavior of polypropylene composites goods.
Embodiment
The present invention is described in detail below in conjunction with each embodiment.
Embodiment 1
(1) Low Density Polyethylene 10 parts (weight part, lower same) is taken, linear low density polyethylene 20 parts, ethylene-vinyl acetate copolymer 20 parts, Cellmic C 121 20 parts, 20 parts, PE wax, nano-calcium carbonate 10 parts, antioxidant 1010 is 0.1 part, and irgasfos 168 is 0.11 part;
(2) above-mentioned raw materials is put into high-speed mixer mixing to take out after 5 minutes;
(3) banburying 20 minutes in Banbury mixer, through the toughness reinforcing foaming master batch of single screw extrusion machine extruding pelletization after banburying terminates.Banbury mixer temperature is set as 100 ~ 120 DEG C, and the temperature range that forcing machine is each section is 100 ~ 120 DEG C.
By the pellet obtained and polypropylene by 5: 95 weight ratio blended after in injection moulding machine, make batten, its performance test results is in table 1.
Embodiment 2
(1) Low Density Polyethylene 25 parts (weight part, lower same) is taken, linear low density polyethylene 30 parts, ethylene-vinyl acetate copolymer 10 parts, Cellmic C 121 10 parts, stearic acid 15 parts, nano-calcium carbonate 10 parts, antioxidant 1010 is 0.1 part, irgasfos 168 is 0.1 part
(2) above-mentioned raw materials is put into high-speed mixer mixing to take out after 5 minutes;
(3) banburying 15 minutes in Banbury mixer, through the toughness reinforcing foaming master batch of single screw extrusion machine extruding pelletization after banburying terminates.Described Banbury mixer temperature is set as 100 ~ 120 DEG C, and the temperature range that forcing machine is each section is 100 ~ 120 DEG C.
By the pellet obtained and polypropylene by 5: 95 weight ratio blended after in injection moulding machine, make batten, its performance test results is in table 1.
Embodiment 3
(1) Low Density Polyethylene 20 parts (weight part, lower same) is taken, linear low density polyethylene 25 parts, ethylene-vinyl acetate copolymer 15 parts, Cellmic C 121 15 parts, stearic acid 15 parts, nano-calcium carbonate 10 parts, antioxidant 1010 is 0.1 part, and irgasfos 168 is 0.1 part;
(2) above-mentioned raw materials is put into high-speed mixer mixing to take out after 10 minutes;
(3) banburying 15 minutes in Banbury mixer, through the toughness reinforcing foaming master batch of single screw extrusion machine extruding pelletization after banburying terminates.Banbury mixer temperature is set as 100 ~ 120 DEG C, and the temperature range that forcing machine is each section is 100 ~ 120 DEG C.
By the pellet obtained and polypropylene by 5: 95 weight ratio blended after in injection moulding machine, make batten, its performance test results is in table 1.
Table 1
| Performance index | Testing standard | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Tensile strength/MPa | GB/T 1040 | 18.8 | 19.8 | 19.3 |
| Elongation at break/% | GB/T 1040 | 78 | 83 | 89 |
| Izod notched impact strength/kJ/m 2 | GB/T 1843 | 65.6 | 56.2 | 61.3 |
| Flexural strength/MPa | GB/T 9341 | 19.2 | 22.7 | 20.4 |
| Density | GB/T 1033 | 0.77 | 0.83 | 0.81 |
Can be found out by table 1 and after polypropylene material adds foaming master batch, the toughness reinforcing of material can be improved by the method for injection foaming while guarantee material other performances and remarkable loss of weight.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (7)
1. an agglomerate material, is characterized in that: be made up of the component comprising following weight part:
Described nucleator is one or both in nano-calcium carbonate or nanometer calcium sulfate;
Described oxidation inhibitor is one or both in four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol esters or three [2,4-di-tert-butyl-phenyl] phosphorous acid ester;
Described whipping agent is Cellmic C 121.
2. agglomerate material according to claim 1, is characterized in that: described dispersion agent be in polyethylene wax or stearic acid in one or both.
3. a preparation method for the agglomerate material described in the claims 1 or 2, is characterized in that: comprise following steps:
(1) Low Density Polyethylene, linear low density polyethylene, ethylene-vinyl acetate copolymer, whipping agent, dispersion agent, nucleator and oxidation inhibitor is taken in ratio according to claim 1;
(2) step (1) raw material is mixed in high-speed mixer;
(3) by mixture banburying in Banbury mixer uniform in step (2), through the toughness reinforcing foaming master batch of single screw extrusion machine extruding pelletization after banburying terminates.
4. preparation method according to claim 3, is characterized in that: in described step (2), mixing time is 5 ~ 10 minutes.
5. preparation method according to claim 3, is characterized in that: described Banbury mixer temperature is 100 ~ 120 DEG C, and the banburying time is 15 ~ 20 minutes.
6. preparation method according to claim 3, is characterized in that: the temperature range that described forcing machine is each section is 100 ~ 120 DEG C.
7. the agglomerate material described in the claims 1 or 2 is used as the purposes of the toughness reinforcing foaming master batch of polypropylene material by one kind.
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103351477B (en) * | 2013-07-09 | 2015-05-13 | 衣庆晖 | Modified microsphere master batch of foaming agent and preparation method for modified microsphere master batch of foaming agent |
| CN104419102A (en) * | 2013-08-23 | 2015-03-18 | 上海杰事杰新材料(集团)股份有限公司 | Glass fiber reinforced polypropylene graft microcellular foaming material and preparation method thereof |
| CN104419101A (en) * | 2013-08-23 | 2015-03-18 | 上海杰事杰新材料(集团)股份有限公司 | Polypropylene graft microcellular foaming material and preparation method thereof |
| CN105885184A (en) * | 2014-09-28 | 2016-08-24 | 安徽邦尼新材料有限公司 | Foamed masterbatch used for polyolefin and preparation method thereof |
| CN104341667A (en) * | 2014-11-17 | 2015-02-11 | 武汉江南铁依环保产业发展有限公司 | Polyethylene halogen-free flame-retarding foaming master batch and preparation method thereof |
| CN104817774A (en) * | 2015-04-02 | 2015-08-05 | 扬翔(上海)环保科技有限公司 | Foaming master batch and preparation method thereof |
| CN104877230A (en) * | 2015-06-18 | 2015-09-02 | 费珏璐 | Composite filling material, preparing method thereof and application thereof |
| CN108623899A (en) * | 2017-03-26 | 2018-10-09 | 合肥杰事杰新材料股份有限公司 | A kind of PP composite material matt master and preparation method thereof |
| CN109503880A (en) * | 2017-09-14 | 2019-03-22 | 上海译科实业有限公司 | A kind of foaming master batch and preparation method thereof |
| CN109370005B (en) * | 2018-10-08 | 2021-07-02 | 南京聚隆科技股份有限公司 | Silk-screen blow-molding micro-foaming tool box and preparation method thereof |
| CN109535520A (en) * | 2018-10-22 | 2019-03-29 | 安徽荣茂塑胶包装材料有限公司 | A kind of antistatic, anticorrosion EPE foamed plastics |
| CN110527163A (en) * | 2019-07-22 | 2019-12-03 | 南京聚隆科技股份有限公司 | One kind is for regenerating polypropylene foaming materials master batch and preparation method thereof |
| CN113072735A (en) * | 2021-03-03 | 2021-07-06 | 快思瑞科技(上海)有限公司 | Master batch material, foaming master batch preparation method and foaming material preparation method |
| CN113136061A (en) * | 2021-03-26 | 2021-07-20 | 广东聚石化学股份有限公司 | Flame-retardant polyethylene material and preparation method and application thereof |
| CN114561054B (en) * | 2022-02-24 | 2023-10-31 | 金发科技股份有限公司 | Oil-resistant non-crosslinked polyethylene material, and preparation and application thereof |
| CN115028937A (en) * | 2022-06-24 | 2022-09-09 | 金杯电工(成都)有限公司 | Material formula and production method of waste cable material foaming filling strip |
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