CN102241854A - Foamed plastic sheet material prepared from waste and old polypropylene and rubber, and preparation method thereof - Google Patents
Foamed plastic sheet material prepared from waste and old polypropylene and rubber, and preparation method thereof Download PDFInfo
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- CN102241854A CN102241854A CN2010101733393A CN201010173339A CN102241854A CN 102241854 A CN102241854 A CN 102241854A CN 2010101733393 A CN2010101733393 A CN 2010101733393A CN 201010173339 A CN201010173339 A CN 201010173339A CN 102241854 A CN102241854 A CN 102241854A
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- waste
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- sheet material
- old polypropylene
- rubber
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- 239000002699 waste material Substances 0.000 title claims abstract description 54
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 51
- -1 polypropylene Polymers 0.000 title claims abstract description 48
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 title claims abstract description 36
- 239000002985 plastic film Substances 0.000 title abstract 4
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 238000004132 cross linking Methods 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000005187 foaming Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 8
- 239000002912 waste gas Substances 0.000 claims abstract 2
- 239000003795 chemical substances by application Substances 0.000 claims description 55
- 239000002984 plastic foam Substances 0.000 claims description 23
- 239000004033 plastic Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 12
- XZKRXPZXQLARHH-UHFFFAOYSA-N buta-1,3-dienylbenzene Chemical group C=CC=CC1=CC=CC=C1 XZKRXPZXQLARHH-UHFFFAOYSA-N 0.000 claims description 9
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical group C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 2
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 2
- 229960001708 magnesium carbonate Drugs 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 235000010215 titanium dioxide Nutrition 0.000 claims description 2
- 239000006260 foam Substances 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000012752 auxiliary agent Substances 0.000 abstract 2
- 239000003431 cross linking reagent Substances 0.000 abstract 2
- 239000000945 filler Substances 0.000 abstract 2
- 239000004088 foaming agent Substances 0.000 abstract 2
- 239000003607 modifier Substances 0.000 abstract 2
- 238000001125 extrusion Methods 0.000 abstract 1
- 238000007731 hot pressing Methods 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 208000034809 Product contamination Diseases 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention relates to a foamed plastic sheet material prepared from waste and old polypropylene and rubber, and preparation method thereof. Ingredients of the foamed plastic sheet material comprise 80-100 parts of waste and old polypropylene film, 15-40 parts of modifier, 4-10 parts of foaming agent, 0.5-1.5 parts of cross-linking agent, 40-110 parts of filler and 0.5-1 part of crosslinking auxiliary agent. The preparation method comprises steps of: adding waste and old polypropylene, a modifier and a filler in a mixing roll according to measurement, plasticating and adding a foaming agent for mixing; then adding a cross-linking agent and a crosslinking auxiliary agent, mixing and crosslinking for moulding; and putting a mixture into an extruder for extrusion, and foaming and fixing in a hot pressing moulding machine. The foamed plastic sheet material of the invention employs the waste and old polypropylene as a base-material, and is modified by the waste and old rubber powder and moulded through a crosslinking foaming, so as to prepare an ideal foam sheet material whose physical and mechanical property is near to that of a product made from a fresh material. In addition, the method has advantages of easily available raw materials, simple operation, no 'three wastes (waste gas, waste water and industrial residue)' discharge, etc., and has substantial economic benefits.
Description
Technical field
The present invention relates to a kind of engineering plastics technical field, plastic foam sheet material of especially a kind of waste and old polypropylene and rubber preparation and preparation method thereof and preparation method thereof.
Background technology
Entered since 21 century, the environment of preserving our planet is constructed resource recycling society, walks the Sustainable development reason, has become World Focusing focus and urgent task.Waste and old polypropylene film and depleted rubber are difficult for degraded, can be polluted by environment, and it is recycled, and can reduce the waste and the protection environment of resource, meet the direction of market survey exploitation.
This year, as extremely people's the favor of the polypropylene expanded plastics of the green foam material of high-performance with advantage such as its good thermotolerance, physical strength and good environmental compatibility, and tooling cost is low, but because polyacrylic crystallization characteristic, its machine-shaping is difficulty comparatively.Along with the rising of processing temperature, the PP resin viscosity sharply descends, and the gas that whipping agent decomposes out is difficult to keep in resin, thereby causes foaming to be difficult to control; Owing to emit more heat, melt strength is reduced during crystallization, foaming back bubble destroys easily, thereby is difficult to obtain the high foam of separated foam rate.
Recycle polypropylene waste material how improves the quality of acrylic plastering simultaneously, obtains uniform foaming structure, becomes the focus of market access.
Summary of the invention
The present invention will propose plastic foam sheet material of a kind of waste and old polypropylene and rubber preparation and preparation method thereof and preparation method thereof in order to solve the problems of the technologies described above.The present invention adopts the waste rubber rubber powder to carry out modification to the polypropylene waste, can effectively stop the slippage of polypropylene macromole straight chain, improves the melt strength of PP, improves polypropylene expanded performance, adopts the CA of modification simultaneously, has further improved the product foam performance.The present invention had both solved the product contamination environment, and wasting problem has improved the performance of product again, and simple to operate, cost is low.
The technical solution adopted in the present invention is: it is as follows that plastic foam sheet material of a kind of waste and old polypropylene and rubber preparation and preparation method thereof, feed composition are pressed the mass fraction proportioning:
Waste and old polypropylene film 80-100 part,
Properties-correcting agent 15-40 part,
Whipping agent 4-10 part,
Linking agent 0.5-1.5 part,
Weighting agent 40-110 part,
Crosslinking coagent 0.5-1 part.
According to another preferred embodiment, plastic foam sheet material of a kind of waste and old polypropylene and rubber preparation and preparation method thereof comprises that further described properties-correcting agent is the waste old rubber powder.
According to another preferred embodiment, plastic foam sheet material of a kind of waste and old polypropylene and rubber preparation and preparation method thereof comprises that further described whipping agent is the Dyhard RU 100 AC whipping agent of modification.
According to another preferred embodiment, plastic foam sheet material of a kind of waste and old polypropylene and rubber preparation and preparation method thereof comprises that further described weighting agent is that a kind or several mixture constitute in talcum powder, lime carbonate, magnesiumcarbonate, titanium dioxide, the potter's clay.
According to another preferred embodiment, plastic foam sheet material of a kind of waste and old polypropylene and rubber preparation and preparation method thereof comprises that further described linking agent is a dicumyl peroxide.
According to another preferred embodiment, plastic foam sheet material of a kind of waste and old polypropylene and rubber preparation and preparation method thereof comprises that further described crosslinking coagent is a Vinylstyrene.
The invention also discloses the making method of the plastic foam sheet material and preparation method thereof of a kind of waste and old polypropylene and rubber preparation, it is characterized in that described making step is:
(1) in mixing roll by being metered into waste and old polypropylene film, properties-correcting agent and weighting agent plastics, the mixing whipping agent that adds again is mixing;
(2) add linking agent and crosslinking coagent, mixing, cross moulding, slice;
(3) mixture is dropped in the forcing machine extrude, through going into foaming and setting in the hot-die molding machine.
According to another preferred embodiment, plastic foam sheet material of a kind of waste and old polypropylene and rubber preparation and preparation method thereof comprises that further described plasticating temperature is 110-120 ℃, and the blend time is 5-10 minute.
According to another preferred embodiment, plastic foam sheet material of a kind of waste and old polypropylene and rubber preparation and preparation method thereof comprises that further described melting temperature is 80-120 ℃, and mixing time is 5-10 minute.
According to another preferred embodiment, plastic foam sheet material of a kind of waste and old polypropylene and rubber preparation and preparation method thereof comprises that further described blowing temperature is 160-180 ℃, and be 10-15 minute heat-up time.
The invention has the beneficial effects as follows:
(1) the performance foam structure of product of the present invention is a micropore, density 0.18-0.28, and shore hardness 36-40, tensile strength is greater than 0.9Mpa, and elongation is greater than 85%, and elasticity is greater than 25%.
(2) waste rubber is difficult for degraded, can pollute environment, and it is recycled, and with the PP blend, can effectively stop the slippage of PP macromole straight chain, improves the melt strength of PP, improves the PP foam performance, has played the effect that kills two birds with one stone.
(3) the present invention is base-material with the waste polypropylene plastic, use the waste old rubber powder modified, through the crosslinked foaming moulding, can make comparatively ideal foam sheet, its physical and mechanical properties is near the performance of new material products, and raw material is easy to get, cost is low, operative technique is simple, three-waste free discharge etc. in the production, and the economic benefit of producing foam sheet is considerable.
Description of drawings
Fig. 1 is the process flow sheet of the preferred embodiments of the present invention.
Embodiment
The present invention is further detailed explanation with preferred embodiment in conjunction with the accompanying drawings now.These accompanying drawings are the synoptic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Figure 1, the process flow sheet of the preferred embodiments of the present invention, in mixing roll in by being metered into waste and old polypropylene film, properties-correcting agent and weighting agent plastics, plasticate, add whipping agent again, mixing; Continue to add linking agent dicumyl peroxide and crosslinking coagent Vinylstyrene, mixing, cross moulding; Mixture dropped in the forcing machine extrude, foaming and setting in the hot-die molding machine obtains the expanded plastic articles of sheet material,
Embodiment 1
80 parts of waste and old polypropylene films, 15 parts of properties-correcting agent waste old rubber powders, 4 parts of Dyhard RU 100 AC whipping agents, 0.5 part of linking agent dicumyl peroxide, 40 parts of weighting agent talcum powder, 0.5 part of crosslinking coagent Vinylstyrene.
By being metered into waste and old polypropylene film, properties-correcting agent and weighting agent plastics, under 110 ℃, plasticating and knead 10 minutes in mixing roll, add Dyhard RU 100 AC whipping agent again, descended mixing 10 minutes at 80 ℃; Continue to add linking agent dicumyl peroxide and crosslinking coagent Vinylstyrene, descended cross moulding mixing 10 minutes at 80 ℃; Mixture dropped in the forcing machine extrude, foaming and setting in the hot-die molding machine, blowing temperature are 160 ℃, and be 15 minutes heat-up time, obtain expanded plastic articles of sheet material 1, micropore, density 0.18g/cm3, shore hardness 36, tensile strength 0.95Mpa, elongation 86%, elasticity 27%.
Embodiment 2
90 parts of waste and old polypropylene films, 30 parts of properties-correcting agent waste old rubber powders, 7 parts of Dyhard RU 100 AC whipping agents, 1.0 parts of linking agent dicumyl peroxides, 80 parts of weighting agent talcum powder, 0.8 part of crosslinking coagent Vinylstyrene.
By being metered into waste and old polypropylene film, properties-correcting agent and weighting agent plastics, under 120 ℃, plasticating and knead 5 minutes in mixing roll, add Dyhard RU 100 AC whipping agent again, down mixingly kneaded 7 minutes at 100 ℃; Continue to add linking agent dicumyl peroxide and crosslinking coagent Vinylstyrene, mixingly down kneaded cross moulding 7 minutes at 100 ℃; Mixture dropped in the forcing machine extrude, foaming and setting in the hot-die molding machine, blowing temperature are 170 ℃, and be 13 minutes heat-up time, obtain expanded plastic articles of sheet material 2, micropore, density 0.22g/cm3, shore hardness 38, tensile strength 0.98Mpa, elongation 87%, elasticity 29%.
Embodiment 3
100 parts of waste and old polypropylene films, 40 parts of properties-correcting agent waste old rubber powders, 10 parts of Dyhard RU 100 AC whipping agents, 1.5 parts of linking agent dicumyl peroxides, 110 parts of weighting agent talcum powder, 1 part of crosslinking coagent Vinylstyrene.
By being metered into waste and old polypropylene film, properties-correcting agent and weighting agent plastics, under 120 ℃, plasticating and knead 5 minutes in mixing roll, add Dyhard RU 100 AC whipping agent again, down mixingly kneaded 5 minutes at 120 ℃; Continue to add linking agent dicumyl peroxide and crosslinking coagent Vinylstyrene, mixingly down kneaded cross moulding 5 minutes at 120 ℃; Mixture dropped in the forcing machine extrude, foaming and setting in the hot-die molding machine, blowing temperature are 180 ℃, and be 10 minutes heat-up time, obtain expanded plastic articles of sheet material 3, micropore, density 0.28g/cm3, shore hardness 40, tensile strength 1.00Mpa, elongation 88%, elasticity 30%.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification sheets, must determine its technical scope according to the claim scope.
Claims (10)
1. plastic foam sheet material of waste and old polypropylene and rubber preparation and preparation method thereof is characterized in that feed composition is as follows by the mass fraction proportioning:
Waste and old polypropylene film 80-100 part,
Properties-correcting agent 15-40 part,
Whipping agent 4-10 part,
Linking agent 0.5-1.5 part,
Weighting agent 40-110 part,
Crosslinking coagent 0.5-1 part.
2. plastic foam sheet material of a kind of waste and old polypropylene according to claim 1 and rubber preparation and preparation method thereof is characterized in that described properties-correcting agent is the rubber powder of waste gas rubber.
3. plastic foam sheet material of a kind of waste and old polypropylene according to claim 1 and rubber preparation and preparation method thereof is characterized in that described whipping agent is the Dyhard RU 100 AC whipping agent of modification.
4. plastic foam sheet material of a kind of waste and old polypropylene according to claim 1 and rubber preparation and preparation method thereof is characterized in that described weighting agent is a kind or several mixture in talcum powder, lime carbonate, magnesiumcarbonate, titanium dioxide, the potter's clay.
5. plastic foam sheet material of a kind of waste and old polypropylene according to claim 1 and rubber preparation and preparation method thereof is characterized in that described linking agent is a dicumyl peroxide.
6. plastic foam sheet material of a kind of waste and old polypropylene according to claim 1 and rubber preparation and preparation method thereof is characterized in that described crosslinking coagent is a Vinylstyrene.
7. the making method of plastic foam sheet material of waste and old polypropylene and rubber preparation and preparation method thereof is characterized in that described making step is:
(1) in mixing roll by being metered into waste and old polypropylene film, properties-correcting agent and weighting agent plastics, the mixing whipping agent that adds again is mixing;
(2) add linking agent and crosslinking coagent, mixing, cross moulding, slice;
(3) mixture is dropped in the forcing machine extrude, through going into foaming and setting in the hot-die molding machine.
8. the making method of plastic foam sheet material of a kind of waste and old polypropylene according to claim 1 and rubber preparation and preparation method thereof is characterized in that described plasticating temperature is 110-120 ℃, and the time of plasticating is 5-10 minute.
9. the making method of plastic foam sheet material of a kind of waste and old polypropylene according to claim 1 and rubber preparation and preparation method thereof is characterized in that described melting temperature is 80-120 ℃, and mixing time is 5-10 minute.
10. the making method of plastic foam sheet material of a kind of waste and old polypropylene according to claim 1 and rubber preparation and preparation method thereof is characterized in that described blowing temperature is 160-180 ℃, and be 10-15 minute heat-up time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101733393A CN102241854A (en) | 2010-05-14 | 2010-05-14 | Foamed plastic sheet material prepared from waste and old polypropylene and rubber, and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101733393A CN102241854A (en) | 2010-05-14 | 2010-05-14 | Foamed plastic sheet material prepared from waste and old polypropylene and rubber, and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102241854A true CN102241854A (en) | 2011-11-16 |
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| CN2010101733393A Pending CN102241854A (en) | 2010-05-14 | 2010-05-14 | Foamed plastic sheet material prepared from waste and old polypropylene and rubber, and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528961A (en) * | 2011-12-07 | 2012-07-04 | 湖北众联塑业有限公司 | Method for polypropylene waste film filament material mixed refining aggregate processing |
| CN102555100A (en) * | 2011-12-08 | 2012-07-11 | 湖北众联塑业有限公司 | Method for mixing and aggregation processing of low-pressure polyethylene waste silk material |
| CN103642106A (en) * | 2013-10-09 | 2014-03-19 | 湖北工业大学 | Regenerated polyolefin/plant fibre composite foaming material and preparation method therefor |
| CN111499966A (en) * | 2019-01-30 | 2020-08-07 | 明门瑞士股份有限公司 | Polypropylene foamed material product and manufacturing method thereof |
| CN112341687A (en) * | 2020-10-27 | 2021-02-09 | 广德祥源新材科技有限公司 | High-resilience and impact-resistant polyolefin foam material and preparation process thereof |
-
2010
- 2010-05-14 CN CN2010101733393A patent/CN102241854A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102528961A (en) * | 2011-12-07 | 2012-07-04 | 湖北众联塑业有限公司 | Method for polypropylene waste film filament material mixed refining aggregate processing |
| CN102555100A (en) * | 2011-12-08 | 2012-07-11 | 湖北众联塑业有限公司 | Method for mixing and aggregation processing of low-pressure polyethylene waste silk material |
| CN103642106A (en) * | 2013-10-09 | 2014-03-19 | 湖北工业大学 | Regenerated polyolefin/plant fibre composite foaming material and preparation method therefor |
| CN111499966A (en) * | 2019-01-30 | 2020-08-07 | 明门瑞士股份有限公司 | Polypropylene foamed material product and manufacturing method thereof |
| CN112341687A (en) * | 2020-10-27 | 2021-02-09 | 广德祥源新材科技有限公司 | High-resilience and impact-resistant polyolefin foam material and preparation process thereof |
| CN112341687B (en) * | 2020-10-27 | 2023-12-22 | 广德祥源新材科技有限公司 | High-resilience and impact-resistant polyolefin foam material and preparation process thereof |
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Application publication date: 20111116 |