CN108587033A - A kind of expanded material that ageing-resistant performance is good - Google Patents

A kind of expanded material that ageing-resistant performance is good Download PDF

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CN108587033A
CN108587033A CN201810466554.9A CN201810466554A CN108587033A CN 108587033 A CN108587033 A CN 108587033A CN 201810466554 A CN201810466554 A CN 201810466554A CN 108587033 A CN108587033 A CN 108587033A
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parts
ageing
resistant performance
mixture
pumpkin
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黄欣
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Abstract

The invention discloses a kind of good expanded materials and preparation method thereof of ageing-resistant performance, include the raw material of following parts by weight：0.5 1.6 parts of 38 52 parts of styrene, 1.2 3.8 parts of potassium peroxydisulfate, 45 58 parts of polypropylene, 0.16 0.33 parts of foaming agent, 1.2 2.1 parts of antioxidant, 26 35 parts of ethylene-vinyl acetate copolymer, 16 22 parts of camellia oil, 4 10 parts of filler, 38 56 parts of isopropanol, 10 15 parts of pumpkin and ossein.Raw material sources of the present invention are extensive, and by the way that different raw materials to be modified, under the synergistic effect of different material, the finished product of preparation not only has good ageing-resistant performance, also maintains excellent tensile strength and elongation at break, has a extensive future.

Description

A kind of expanded material that ageing-resistant performance is good
Technical field
The present invention relates to polymeric material field, the good expanded material of specifically a kind of ageing-resistant performance.
Background technology
High molecular material is also referred to as polymer material, then (is helped equipped with other additives using high-molecular compound as matrix Agent) material that is constituted.High molecular material is by sources divided into natural macromolecular material and synthesis high molecular material.Natural polymer It is the polymer substance being present in animal, plant and organism, natural fiber, natural resin, natural rubber, animal can be divided into Glue etc..Synthesis high molecular material is primarily referred to as three big synthetic material of plastics, synthetic rubber and synthetic fibers, includes additionally gluing Agent, coating and various functions high molecular material.Synthesize high molecular material have natural macromolecular material it is unexistent or compared with For superior performance --- smaller density, higher mechanics, wearability, corrosion resistance, electrical insulating property etc..
Expanded material is exactly a kind of synthesis high molecular material, is with originals such as plastics (PE, EVA etc.), rubber (SBR, CR etc.) Material is subject to the auxiliary materials such as catalyst, foam stabiliser, foaming agent, by physical blowing or crosslinked foaming, makes in plastics and rubber There are a large amount of subtle foams, volume increases, and density is reduced, and expanded material light weight, pliability are good, have buffering, sound-absorbing, suction The functions such as shake, heat preservation, filtering, are widely used in the industries such as electronics, household electrical appliances, automobile, Leisure Sport.But existing expanded material Loss of properties on aging, which limits the ranges of its application.
Invention content
The purpose of the present invention is to provide a kind of good expanded materials of ageing-resistant performance, to solve to carry in above-mentioned background technology The problem of going out.
To achieve the above object, the present invention provides the following technical solutions：
A kind of expanded material that ageing-resistant performance is good, includes the raw material of following parts by weight：38-52 parts of styrene, persulfuric acid 1.2-3.8 parts of potassium, 45-58 parts of polypropylene, 0.16-0.33 parts of foaming agent, 1.2-2.1 parts of antioxidant, ethene-vinyl acetate copolymerization 26-35 parts of object, 16-22 parts of camellia oil, 4-10 parts of filler, 38-56 parts of isopropanol, 10-15 parts of pumpkin and ossein 0.5-1.6 Part.
As a further solution of the present invention：It is 2.1-3.4g/10 points that polypropylene, which uses copolymer polypropylene, melt index, Clock, the mass fraction of VA is 22-26% in ethylene-vinyl acetate copolymer.
As a further solution of the present invention：Antioxidant includes dilauryl thiodipropionate, triphenyl phosphite, is obstructed At least one of phenol and hydroxybenzotriazole, filler include in nano-calcium carbonate, talcum powder, mica powder and potassium titanate crystal whisker One or several kinds of mixtures, foaming agent includes one kind in ADC foaming agents or microcapsule foamer.
The preparation method of the good expanded material of the ageing-resistant performance, is as follows：
Styrene and polypropylene powder are broken to 1200-1400 mesh and are dispersed in water, is configured to mass fraction by step 1 For the lotion of 18-25%, it is 4.5-5.8 to be warming up to 84-92 degrees Celsius and adjust pH value lotion, then over cure is added thereto Sour potassium is simultaneously kept for 80-110 minutes, obtains the first mixture；
Pumpkin is squeezed into Pumpkin Juice by step 2, and compound bacteria is then added and ferments under 33-45 degrees Celsius, sends out Pumpkin Juice after ferment is distilled to the one third of stoste, is then handled 10-15 minutes in plasma electric field, and pumpkin extraction is obtained Liquid；
Ethylene-vinyl acetate copolymer is heated to molten condition and is added in pumpkin extracting solution by step 3, stirring 30-45 minutes, obtain the second mixture；
Step 4 is added after bone collagen powder is broken to 150-180 mesh in camellia oil, and supersonic oscillations 20-36 minutes obtain Third mixture；
Material is added in first mixture, the second mixture, antioxidant, filler, third mixture and isopropanol by step 5 Foaming agent is added after being stirred evenly in mixing machine thereto again and is stirred evenly with the rotating speed of 45-60rpm, obtains semi-finished product；
Semi-finished product are sent into extrusion moulding in extruding machine and obtain finished product by step 6, and extrusion molding pressure is 2.6-3.3MPa, is squeezed It is 140-165 degrees Celsius to mould temperature.
As a further solution of the present invention：Plasma electric field is 6000-9400 Gausses in step 2.
As a further solution of the present invention：The power of supersonic oscillations is 240-300W, supersonic oscillations in step 4 Frequency be 24-30KHz.
As a further solution of the present invention：The mixing speed of mixing machine is 180-240rpm, whipping temp in step 5 It is 36-50 degrees Celsius.
Compared with prior art, the beneficial effects of the invention are as follows：Raw material sources of the present invention are extensive, by by different raw materials It is modified, under the synergistic effect of different material, the finished product of preparation not only has good ageing-resistant performance, also maintains excellent Good tensile strength and elongation at break, has a extensive future.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Embodiment 1
A kind of expanded material that ageing-resistant performance is good, includes the raw material of following parts by weight：38 parts of styrene, potassium peroxydisulfate 1.2 parts, 45 parts of polypropylene, 0.16 part of foaming agent, 1.2 parts of antioxidant, 26 parts of ethylene-vinyl acetate copolymer, 16 parts of camellia oil, 0.5 part of 4 parts of filler, 38 parts of isopropanol, 10 parts of pumpkin and ossein.Antioxidant uses triphenyl phosphite, filler to use metatitanic acid Potassium whisker, foaming agent use microcapsule foamer.
The preparation method of the good expanded material of the ageing-resistant performance, is as follows：
Styrene and polypropylene powder are broken to 1260 mesh and are dispersed in water by step 1, and being configured to mass fraction is 22% lotion, it is 4.9 that lotion, which is warming up to 87 degrees Celsius, and adjusts pH value, then potassium peroxydisulfate is added thereto and keeps 95 Minute, obtain the first mixture；
Pumpkin is squeezed into Pumpkin Juice by step 2, and compound bacteria is then added and ferments under 38 degrees Celsius, after fermentation Pumpkin Juice distill to the one third of stoste, then handled 12 minutes in the plasma electric field of 6600 Gausses, obtain pumpkin Extracting solution；
Ethylene-vinyl acetate copolymer is heated to molten condition and is added in pumpkin extracting solution by step 3, stirring 38 Minute, obtain the second mixture；
Step 4, is added after bone collagen powder is broken to 160 mesh in camellia oil, and it is mixed to obtain third for supersonic oscillations 33 minutes Close object；
Material is added in first mixture, the second mixture, antioxidant, filler, third mixture and isopropanol by step 5 Foaming agent is added after being stirred evenly in mixing machine thereto again and is stirred evenly with the rotating speed of 45rpm, obtains semi-finished product；
Semi-finished product are sent into extrusion moulding in extruding machine and obtain finished product by step 6, and extrusion molding pressure is 2.8MPa, extrusion molding temperature Degree is 146 degrees Celsius.
Embodiment 2
A kind of expanded material that ageing-resistant performance is good, includes the raw material of following parts by weight：43 parts of styrene, potassium peroxydisulfate 1.7 parts, 50 parts of polypropylene, 0.22 part of foaming agent, 1.6 parts of antioxidant, 30 parts of ethylene-vinyl acetate copolymer, 19 parts of camellia oil, 0.9 part of 6.6 parts of filler, 44 parts of isopropanol, 11.8 parts of pumpkin and ossein.Polypropylene uses copolymer polypropylene, and melt index is 2.1-3.4g/10 minute, the mass fraction of VA is 24% in ethylene-vinyl acetate copolymer.Antioxidant includes thio-2 acid The mixture of dilauryl and hydroxybenzotriazole, filler include the mixture of talcum powder and mica powder, and foaming agent is sent out using ADC Infusion.
The preparation method of the good expanded material of the ageing-resistant performance, is as follows：
Styrene and polypropylene powder are broken to 1340 mesh and are dispersed in water by step 1, and being configured to mass fraction is 24% lotion, it is 5.4 that lotion, which is warming up to 90 degrees Celsius, and adjusts pH value, then potassium peroxydisulfate is added thereto and keeps 105 minutes, obtain the first mixture；
Pumpkin is squeezed into Pumpkin Juice by step 2, and compound bacteria is then added and ferments under 45 degrees Celsius, after fermentation Pumpkin Juice distill to the one third of stoste, then handled 13 minutes in plasma electric field, obtain pumpkin extracting solution；
Ethylene-vinyl acetate copolymer is heated to molten condition and is added in pumpkin extracting solution by step 3, stirring 38 Minute, obtain the second mixture；
Step 4 is added after bone collagen powder is broken to 150 mesh in camellia oil, supersonic oscillations 28 minutes, supersonic oscillations Power be 280W, the frequencies of supersonic oscillations is 27KHz, obtains third mixture；
Material is added in first mixture, the second mixture, antioxidant, filler, third mixture and isopropanol by step 5 Foaming agent is added after being stirred evenly in mixing machine thereto again and is stirred evenly with the rotating speed of 60rpm, obtains semi-finished product；
Semi-finished product are sent into extrusion moulding in extruding machine and obtain finished product by step 6, and extrusion molding pressure is 3.1MPa, extrusion molding temperature Degree is 155 degrees Celsius.
Embodiment 3
A kind of expanded material that ageing-resistant performance is good, includes the raw material of following parts by weight：47 parts of styrene, potassium peroxydisulfate 3.2 parts, 54 parts of polypropylene, 0.28 part of foaming agent, 1.9 parts of antioxidant, 34 parts of ethylene-vinyl acetate copolymer, camellia oil 20.6 Part, 8.8 parts of filler, 50 parts of isopropanol, 13.9 parts of pumpkin and 1.4 parts of ossein.Antioxidant include dilauryl thiodipropionate, The mixture of hindered phenol and hydroxybenzotriazole, filler include the mixture of nano-calcium carbonate, talcum powder and potassium titanate crystal whisker, hair Infusion uses microcapsule foamer.
The preparation method of the good expanded material of the ageing-resistant performance, is as follows：
Styrene and polypropylene powder are broken to 1260 mesh and are dispersed in water by step 1, and being configured to mass fraction is 20% lotion, it is 5.5 that lotion, which is warming up to 88 degrees Celsius, and adjusts pH value, then potassium peroxydisulfate is added thereto and keeps 95 Minute, obtain the first mixture；
Pumpkin is squeezed into Pumpkin Juice by step 2, and compound bacteria is then added and ferments under 42 degrees Celsius, after fermentation Pumpkin Juice distill to the one third of stoste, then handled 14 minutes in the plasma electric field of 8600 Gausses, obtain pumpkin Extracting solution；
Ethylene-vinyl acetate copolymer is heated to molten condition and is added in pumpkin extracting solution by step 3, stirring 38 Minute, obtain the second mixture；
Step 4, is added after bone collagen powder is broken to 180 mesh in camellia oil, and it is mixed to obtain third for supersonic oscillations 25 minutes Close object；
Material is added in first mixture, the second mixture, antioxidant, filler, third mixture and isopropanol by step 5 Foaming agent is added after being stirred evenly in mixing machine thereto again and is stirred evenly with the rotating speed of 45rpm, the stirring speed of mixing machine Degree is 210rpm, and whipping temp is 46 degrees Celsius, obtains semi-finished product；
Semi-finished product are sent into extrusion moulding in extruding machine and obtain finished product by step 6, and extrusion molding pressure is 2.6MPa, extrusion molding temperature Degree is 160 degrees Celsius.
Embodiment 4
A kind of expanded material that ageing-resistant performance is good, includes the raw material of following parts by weight：52 parts of styrene, potassium peroxydisulfate 3.8 parts, 58 parts of polypropylene, 0.33 part of foaming agent, 2.1 parts of antioxidant, 35 parts of ethylene-vinyl acetate copolymer, 22 parts of camellia oil, 1.6 parts of 10 parts of filler, 56 parts of isopropanol, 15 parts of pumpkin and ossein.Polypropylene uses copolymer polypropylene, melt index 2.1- 3.4g/10 minutes, the mass fraction of VA was 26% in ethylene-vinyl acetate copolymer.Antioxidant includes thiodipropionic acid dilauryl The mixture of osmanthus ester, triphenyl phosphite, hindered phenol and hydroxybenzotriazole, filler include nano-calcium carbonate, talcum powder, mica The mixture of powder and potassium titanate crystal whisker, foaming agent use ADC foaming agents.
The preparation method of the good expanded material of the ageing-resistant performance, is as follows：
Styrene and polypropylene powder are broken to 1350 mesh and are dispersed in water by step 1, and being configured to mass fraction is 25% lotion, it is 5.2 that lotion, which is warming up to 85 degrees Celsius, and adjusts pH value, then potassium peroxydisulfate is added thereto and keeps 105 minutes, obtain the first mixture；
Pumpkin is squeezed into Pumpkin Juice by step 2, and compound bacteria is then added and ferments under 38 degrees Celsius, after fermentation Pumpkin Juice distill to the one third of stoste, then handled 14 minutes in the plasma electric field of 9200 Gausses, obtain pumpkin Extracting solution；
Ethylene-vinyl acetate copolymer is heated to molten condition and is added in pumpkin extracting solution by step 3, stirring 40 Minute, obtain the second mixture；
Step 4 is added after bone collagen powder is broken to 160 mesh in camellia oil, supersonic oscillations 33 minutes, supersonic oscillations Power be 300W, the frequencies of supersonic oscillations is 30KHz, obtains third mixture；
Material is added in first mixture, the second mixture, antioxidant, filler, third mixture and isopropanol by step 5 Foaming agent is added after being stirred evenly in mixing machine thereto again and is stirred evenly with the rotating speed of 60rpm, the stirring speed of mixing machine Degree is 240rpm, and whipping temp is 47 degrees Celsius, obtains semi-finished product；
Semi-finished product are sent into extrusion moulding in extruding machine and obtain finished product by step 6, and extrusion molding pressure is 2.8MPa, extrusion molding temperature Degree is 164 degrees Celsius.
Comparative example 1
Except without containing pumpkin and ossein, remaining raw material and preparation method are same as Example 3.
Comparative example 2
Using current material as a comparison case 2.
The product of product and comparative example 1-2 to embodiment 1-4 is tested for the property：Tensile strength is according to GB/T 528- 2009 tests, dimensional contraction rate are tested according to GB/T 3903.13, and xenon lamp aging experiment uses xenon lamp aging chamber Q-Sun Xe-1-S is tested 6 days, and ozone aging experiment tests 2.5 hours (ozone concentration 200ppm, temperature using ozone testing machine UA-2074 65 degrees Celsius of degree), test result is shown in Table 1.
Table 1
From table 1 it follows that performance of the product of embodiment 1-4 in xenon lamp aging experiment and ozone aging experiment is equal Better than the product of comparative example 1-2, and the product of embodiment 1-4 is superior to comparative example 1- in tensile strength and elongation at break 2 product can satisfy the use demand.
The present invention is extracted by the way that styrene and polypropylene to be modified, by ethylene-vinyl acetate copolymer using pumpkin Liquid is modified, then different raw materials is mixed, the mobility of the raw materials in styrene and polypropylene such as control filler, interface compatibility It is good, achieve the purpose that toughening and anti-aging, ozone aging experiment has no that cracking, xenon lamp aging are tested and do not find to spit frost, meet Use demand.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (7)

1. a kind of good expanded material of ageing-resistant performance, which is characterized in that include the raw material of following parts by weight：Styrene 38-52 Part, 1.2-3.8 parts of potassium peroxydisulfate, 45-58 parts of polypropylene, 0.16-0.33 parts of foaming agent, 1.2-2.1 parts of antioxidant, ethylene-vinegar Sour ethylene copolymer 26-35 parts, 16-22 parts of camellia oil, 4-10 parts of filler, 38-56 parts of isopropanol, 10-15 parts of pumpkin and gelatine It is 0.5-1.6 parts former.
2. the good expanded material of ageing-resistant performance according to claim 1, which is characterized in that the polypropylene is using copolymerization Polypropylene, melt index are 2.1-3.4g/10 minutes, and the mass fraction of VA is 22-26% in ethylene-vinyl acetate copolymer.
3. the good expanded material of ageing-resistant performance according to claim 1, which is characterized in that the antioxidant includes thio At least one of dipropionic acid dilauryl, triphenyl phosphite, hindered phenol and hydroxybenzotriazole, filler include nano-calcium carbonate One or several kinds of mixtures in calcium, talcum powder, mica powder and potassium titanate crystal whisker, foaming agent include ADC foaming agents or One kind in microcapsule foamer.
4. a kind of preparation method of the good expanded material of ageing-resistant performance as described in any one of claims 1-3, which is characterized in that It is as follows：
Styrene and polypropylene powder are broken to 1200-1400 mesh and are dispersed in water by step 1, and being configured to mass fraction is The lotion of 18-25%, it is 4.5-5.8 to be warming up to 84-92 degrees Celsius and adjust pH value lotion, then persulfuric acid is added thereto Potassium is simultaneously kept for 80-110 minutes, obtains the first mixture；
Pumpkin is squeezed into Pumpkin Juice by step 2, and compound bacteria is then added and ferments under 33-45 degrees Celsius, after fermentation Pumpkin Juice distill to the one third of stoste, then handled 10-15 minutes in plasma electric field, obtain pumpkin extracting solution；
Ethylene-vinyl acetate copolymer is heated to molten condition and is added in pumpkin extracting solution by step 3, stirs 30-45 Minute, obtain the second mixture；
Step 4 is added after bone collagen powder is broken to 150-180 mesh in camellia oil, and supersonic oscillations 20-36 minutes obtain third Mixture；
First mixture, the second mixture, antioxidant, filler, third mixture and isopropanol are added material and mixed by step 5 Foaming agent is added after being stirred evenly in machine thereto again and is stirred evenly with the rotating speed of 45-60rpm, obtains semi-finished product；
Semi-finished product are sent into extrusion moulding in extruding machine and obtain finished product by step 6, and extrusion molding pressure is 2.6-3.3MPa, extrusion molding temperature Degree is 140-165 degrees Celsius.
5. the preparation method of the good expanded material of ageing-resistant performance according to claim 4, which is characterized in that the step Plasma electric field is 6000-9400 Gausses in two.
6. the preparation method of the good expanded material of ageing-resistant performance according to claim 5, which is characterized in that the step The power of supersonic oscillations is 240-300W in four, and the frequency of supersonic oscillations is 24-30KHz.
7. the preparation method of the good expanded material of ageing-resistant performance according to claim 4, which is characterized in that the step The mixing speed of mixing machine is 180-240rpm in five, and whipping temp is 36-50 degrees Celsius.
CN201810466554.9A 2018-05-16 2018-05-16 A kind of expanded material that ageing-resistant performance is good Pending CN108587033A (en)

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CN106317665A (en) * 2016-08-04 2017-01-11 叶剑 Polystyrene foam decorative sheet and manufacturing method thereof
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007321098A (en) * 2006-06-02 2007-12-13 Mitsui Chemicals Inc Propylenic polymer composition, and molded article using the composition
CN104140591A (en) * 2014-07-24 2014-11-12 南京聚隆科技股份有限公司 Highly filled micro foamed polypropylene composite material and preparation method thereof
CN104804358A (en) * 2015-04-24 2015-07-29 茂泰(福建)鞋材有限公司 Light-weight anti-aging shoe sole and preparation method thereof
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Application publication date: 20180928